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apehex
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evm_contracts

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Subset (2)

hex-ethereum · 1.42M rows

Split (2)

train · 1.29M rows

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chain_id uint64 1 1	block_number uint64 19.5M 20M	block_hash stringlengths 64 64	transaction_hash stringlengths 64 64	deployer_address stringlengths 40 40	factory_address stringlengths 40 40	contract_address stringlengths 40 40	creation_bytecode stringlengths 0 98.3k	runtime_bytecode stringlengths 0 49.2k	creation_sourcecode stringlengths 0 976k
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1	20,291,895	9064ee6799afbbe6168b7ca9727276979d68b8cf9d55939996b90ba409663fa8	c19683ed694e49ddb1bbbd071ee75534e2f8f111a67a9a38d79b2df863f6365d	d123af31290072c03dbacedccd167c2317f3216f	bdeb4ba6a1bb01e01ed64f11ed8f6f4b906af52b	eeb8d2f95a3771ce35b7eb534d4d592f3da9abc2	3d602d80600a3d3981f3363d3d373d3d3d363d73fb547b99356a114d54671915a0f7bf5cec1973f35af43d82803e903d91602b57fd5bf3	363d3d373d3d3d363d73fb547b99356a114d54671915a0f7bf5cec1973f35af43d82803e903d91602b57fd5bf3
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https://x.com/zerohedge/status/1811814081122234726 TG: t.me/tulsigabbard / // SPDX-License-Identifier: UNLICENSE pragma solidity 0.8.23; abstract contract Context { function _msgSender() internal view virtual returns (address) { return msg.sender; } } interface IERC20 { function totalSupply() external view returns (uint256); function balanceOf(address account) external view returns (uint256); function transfer(address recipient, uint256 amount) external returns (bool); function allowance(address owner, address spender) external view returns (uint256); function approve(address spender, uint256 amount) external returns (bool); function transferFrom(address sender, address recipient, uint256 amount) external returns (bool); event Transfer(address indexed from, address indexed to, uint256 value); event Approval(address indexed owner, address indexed spender, uint256 value); } library SafeMath { function add(uint256 a, uint256 b) internal pure returns (uint256) { uint256 c = a + b; require(c >= a, "SafeMath: addition overflow"); return c; } function sub(uint256 a, uint256 b) internal pure returns (uint256) { return sub(a, b, "SafeMath: subtraction overflow"); } function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b <= a, errorMessage); uint256 c = a - b; return c; } function mul(uint256 a, uint256 b) internal pure returns (uint256) { if (a == 0) { return 0; } uint256 c = a b; require(c / a == b, "SafeMath: multiplication overflow"); return c; } function div(uint256 a, uint256 b) internal pure returns (uint256) { return div(a, b, "SafeMath: division by zero"); } function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b > 0, errorMessage); uint256 c = a / b; return c; } } contract Ownable is Context { address private _owner; event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); constructor () { address msgSender = _msgSender(); _owner = msgSender; emit OwnershipTransferred(address(0), msgSender); } function owner() public view returns (address) { return _owner; } modifier onlyOwner() { require(_owner == _msgSender(), "Ownable: caller is not the owner"); _; } function renounceOwnership() public virtual onlyOwner { emit OwnershipTransferred(_owner, address(0)); _owner = address(0); } } interface IUniswapV2Factory { function createPair(address tokenA, address tokenB) external returns (address pair); } interface IUniswapV2Router02 { function swapExactTokensForETHSupportingFeeOnTransferTokens( uint amountIn, uint amountOutMin, address[] calldata path, address to, uint deadline ) external; function factory() external pure returns (address); function WETH() external pure returns (address); function addLiquidityETH( address token, uint amountTokenDesired, uint amountTokenMin, uint amountETHMin, address to, uint deadline ) external payable returns (uint amountToken, uint amountETH, uint liquidity); } contract paxos is Context, IERC20, Ownable { using SafeMath for uint256; mapping (address => uint256) private _balances; mapping (address => mapping (address => uint256)) private _allowances; mapping (address => bool) private _isExcludedFromFee; mapping (address => bool) private bots; address payable private _taxWallet; uint256 private _initialBuyTax=20; uint256 private _initialSellTax=20; uint256 private _finalBuyTax=0; uint256 private _finalSellTax=0; uint256 private _reduceBuyTaxAt=20; uint256 private _reduceSellTaxAt=20; uint256 private _preventSwapBefore=20; uint256 private _buyCount=0; uint8 private constant _decimals = 9; uint256 private constant _tTotal = 420690000000 * 10*_decimals; string private constant _name = unicode"Vice President Tulsi Gabbard"; string private constant _symbol = unicode"GABBARD"; uint256 public _maxTxAmount = 8400000000 10*_decimals; uint256 public _maxWalletSize = 8400000000 10*_decimals; uint256 public _taxSwapThreshold= 4200000000 10*_decimals; uint256 public _maxTaxSwap= 4200000000 10**_decimals; IUniswapV2Router02 private uniswapV2Router; address private uniswapV2Pair; bool private tradingOpen; bool private inSwap = false; bool private swapEnabled = false; uint256 private sellCount = 0; uint256 private lastSellBlock = 0; event MaxTxAmountUpdated(uint _maxTxAmount); modifier lockTheSwap { inSwap = true; _; inSwap = false; } constructor () { _taxWallet = payable(_msgSender()); _balances[_msgSender()] = _tTotal; _isExcludedFromFee[owner()] = true; _isExcludedFromFee[address(this)] = true; _isExcludedFromFee[_taxWallet] = true; emit Transfer(address(0), _msgSender(), _tTotal); } function name() public pure returns (string memory) { return _name; } function symbol() public pure returns (string memory) { return _symbol; } function decimals() public pure returns (uint8) { return _decimals; } function totalSupply() public pure override returns (uint256) { return _tTotal; } function balanceOf(address account) public view override returns (uint256) { return _balances[account]; } function transfer(address recipient, uint256 amount) public override returns (bool) { _transfer(_msgSender(), recipient, amount); return true; } function allowance(address owner, address spender) public view override returns (uint256) { return _allowances[owner][spender]; } function approve(address spender, uint256 amount) public override returns (bool) { _approve(_msgSender(), spender, amount); return true; } function transferFrom(address sender, address recipient, uint256 amount) public override returns (bool) { _transfer(sender, recipient, amount); _approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance")); return true; } function _approve(address owner, address spender, uint256 amount) private { require(owner != address(0), "ERC20: approve from the zero address"); require(spender != address(0), "ERC20: approve to the zero address"); _allowances[owner][spender] = amount; emit Approval(owner, spender, amount); } function _transfer(address from, address to, uint256 amount) private { require(from != address(0), "ERC20: transfer from the zero address"); require(to != address(0), "ERC20: transfer to the zero address"); require(amount > 0, "Transfer amount must be greater than zero"); uint256 taxAmount=0; if (from != owner() && to != owner()) { require(!bots[from] && !bots[to]); taxAmount = amount.mul((_buyCount>_reduceBuyTaxAt)?_finalBuyTax:_initialBuyTax).div(100); if (from == uniswapV2Pair && to != address(uniswapV2Router) && ! _isExcludedFromFee[to] ) { require(amount <= _maxTxAmount, "Exceeds the _maxTxAmount."); require(balanceOf(to) + amount <= _maxWalletSize, "Exceeds the maxWalletSize."); _buyCount++; } if(to == uniswapV2Pair && from!= address(this) ){ taxAmount = amount.mul((_buyCount>_reduceSellTaxAt)?_finalSellTax:_initialSellTax).div(100); } uint256 contractTokenBalance = balanceOf(address(this)); if (!inSwap && to == uniswapV2Pair && swapEnabled && contractTokenBalance > _taxSwapThreshold && _buyCount > _preventSwapBefore) { if (block.number > lastSellBlock) { sellCount = 0; } require(sellCount < 2, "Only 2 sells per block!"); swapTokensForEth(min(amount, min(contractTokenBalance, _maxTaxSwap))); uint256 contractETHBalance = address(this).balance; if (contractETHBalance > 0) { sendETHToFee(address(this).balance); } sellCount++; lastSellBlock = block.number; } } if(taxAmount>0){ _balances[address(this)]=_balances[address(this)].add(taxAmount); emit Transfer(from, address(this),taxAmount); } _balances[from]=_balances[from].sub(amount); _balances[to]=_balances[to].add(amount.sub(taxAmount)); emit Transfer(from, to, amount.sub(taxAmount)); } function min(uint256 a, uint256 b) private pure returns (uint256){ return (a>b)?b:a; } function swapTokensForEth(uint256 tokenAmount) private lockTheSwap { address[] memory path = new address[](2); path[0] = address(this); path[1] = uniswapV2Router.WETH(); _approve(address(this), address(uniswapV2Router), tokenAmount); uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens( tokenAmount, 0, path, address(this), block.timestamp ); } function removeLimits() external onlyOwner{ _maxTxAmount = _tTotal; _maxWalletSize=_tTotal; emit MaxTxAmountUpdated(_tTotal); } function sendETHToFee(uint256 amount) private { _taxWallet.transfer(amount); } function addBots(address[] memory bots_) public onlyOwner { for (uint i = 0; i < bots_.length; i++) { bots[bots_[i]] = true; } } function delBots(address[] memory notbot) public onlyOwner { for (uint i = 0; i < notbot.length; i++) { bots[notbot[i]] = false; } } function isBot(address a) public view returns (bool){ return bots[a]; } function openTrading() external onlyOwner() { require(!tradingOpen,"trading is already open"); uniswapV2Router = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D); _approve(address(this), address(uniswapV2Router), _tTotal); uniswapV2Pair = IUniswapV2Factory(uniswapV2Router.factory()).createPair(address(this), uniswapV2Router.WETH()); uniswapV2Router.addLiquidityETH{value: address(this).balance}(address(this),balanceOf(address(this)),0,0,owner(),block.timestamp); IERC20(uniswapV2Pair).approve(address(uniswapV2Router), type(uint).max); swapEnabled = true; tradingOpen = true; } function reduceFee(uint256 _newFee) external{ require(_msgSender()==_taxWallet); require(_newFee>=_finalBuyTax && _newFee>=_finalSellTax); _finalBuyTax=_newFee; _finalSellTax=_newFee; } receive() external payable {} function manualSwap() external { require(_msgSender()==_taxWallet); uint256 tokenBalance=balanceOf(address(this)); if(tokenBalance>0){ swapTokensForEth(tokenBalance); } uint256 ethBalance=address(this).balance; if(ethBalance>0){ sendETHToFee(ethBalance); } } }
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File: contracts/interfaces/IUniswapV2Pair.sol pragma solidity >=0.5.0; interface IUniswapV2Pair { event Approval(address indexed owner, address indexed spender, uint value); event Transfer(address indexed from, address indexed to, uint value); function name() external pure returns (string memory); function symbol() external pure returns (string memory); function decimals() external pure returns (uint8); function totalSupply() external view returns (uint); function balanceOf(address owner) external view returns (uint); function allowance(address owner, address spender) external view returns (uint); function approve(address spender, uint value) external returns (bool); function transfer(address to, uint value) external returns (bool); function transferFrom(address from, address to, uint value) external returns (bool); function DOMAIN_SEPARATOR() external view returns (bytes32); function PERMIT_TYPEHASH() external pure returns (bytes32); function nonces(address owner) external view returns (uint); function permit(address owner, address spender, uint value, uint deadline, uint8 v, bytes32 r, bytes32 s) external; event Mint(address indexed sender, uint amount0, uint amount1); event Burn(address indexed sender, uint amount0, uint amount1, address indexed to); event Swap( address indexed sender, uint amount0In, uint amount1In, uint amount0Out, uint amount1Out, address indexed to ); event Sync(uint112 reserve0, uint112 reserve1); function MINIMUM_LIQUIDITY() external pure returns (uint); function factory() external view returns (address); function token0() external view returns (address); function token1() external view returns (address); function getReserves() external view returns (uint112 reserve0, uint112 reserve1, uint32 blockTimestampLast); function price0CumulativeLast() external view returns (uint); function price1CumulativeLast() external view returns (uint); function kLast() external view returns (uint); function mint(address to) external returns (uint liquidity); function burn(address to) external returns (uint amount0, uint amount1); function swap(uint amount0Out, uint amount1Out, address to, bytes calldata data) external; function skim(address to) external; function sync() external; function initialize(address, address) external; } // File: contracts/interfaces/IUniswapV2ERC20.sol pragma solidity >=0.5.0; interface IUniswapV2ERC20 { event Approval(address indexed owner, address indexed spender, uint value); event Transfer(address indexed from, address indexed to, uint value); function name() external pure returns (string memory); function symbol() external pure returns (string memory); function decimals() external pure returns (uint8); function totalSupply() external view returns (uint); function balanceOf(address owner) external view returns (uint); function allowance(address owner, address spender) external view returns (uint); function approve(address spender, uint value) external returns (bool); function transfer(address to, uint value) external returns (bool); function transferFrom(address from, address to, uint value) external returns (bool); function DOMAIN_SEPARATOR() external view returns (bytes32); function PERMIT_TYPEHASH() external pure returns (bytes32); function nonces(address owner) external view returns (uint); function permit(address owner, address spender, uint value, uint deadline, uint8 v, bytes32 r, bytes32 s) external; } // File: contracts/libraries/SafeMath.sol pragma solidity =0.5.16; // a library for performing overflow-safe math, courtesy of DappHub (https://github.com/dapphub/ds-math) library SafeMath { function add(uint x, uint y) internal pure returns (uint z) { require((z = x + y) >= x, 'ds-math-add-overflow'); } function sub(uint x, uint y) internal pure returns (uint z) { require((z = x - y) <= x, 'ds-math-sub-underflow'); } function mul(uint x, uint y) internal pure returns (uint z) { require(y == 0 \|\| (z = x * y) / y == x, 'ds-math-mul-overflow'); } } // File: contracts/UniswapV2ERC20.sol pragma solidity =0.5.16; contract UniswapV2ERC20 is IUniswapV2ERC20 { using SafeMath for uint; string public constant name = 'Uniswap V2'; string public constant symbol = 'UNI-V2'; uint8 public constant decimals = 18; uint public totalSupply; mapping(address => uint) public balanceOf; mapping(address => mapping(address => uint)) public allowance; bytes32 public DOMAIN_SEPARATOR; // keccak256("Permit(address owner,address spender,uint256 value,uint256 nonce,uint256 deadline)"); bytes32 public constant PERMIT_TYPEHASH = 0x6e71edae12b1b97f4d1f60370fef10105fa2faae0126114a169c64845d6126c9; mapping(address => uint) public nonces; event Approval(address indexed owner, address indexed spender, uint value); event Transfer(address indexed from, address indexed to, uint value); constructor() public { uint chainId; assembly { chainId := chainid } DOMAIN_SEPARATOR = keccak256( abi.encode( keccak256('EIP712Domain(string name,string version,uint256 chainId,address verifyingContract)'), keccak256(bytes(name)), keccak256(bytes('1')), chainId, address(this) ) ); } function _mint(address to, uint value) internal { totalSupply = totalSupply.add(value); balanceOf[to] = balanceOf[to].add(value); emit Transfer(address(0), to, value); } function _burn(address from, uint value) internal { balanceOf[from] = balanceOf[from].sub(value); totalSupply = totalSupply.sub(value); emit Transfer(from, address(0), value); } function _approve(address owner, address spender, uint value) private { allowance[owner][spender] = value; emit Approval(owner, spender, value); } function _transfer(address from, address to, uint value) private { balanceOf[from] = balanceOf[from].sub(value); balanceOf[to] = balanceOf[to].add(value); emit Transfer(from, to, value); } function approve(address spender, uint value) external returns (bool) { _approve(msg.sender, spender, value); return true; } function transfer(address to, uint value) external returns (bool) { _transfer(msg.sender, to, value); return true; } function transferFrom(address from, address to, uint value) external returns (bool) { if (allowance[from][msg.sender] != uint(-1)) { allowance[from][msg.sender] = allowance[from][msg.sender].sub(value); } _transfer(from, to, value); return true; } function permit(address owner, address spender, uint value, uint deadline, uint8 v, bytes32 r, bytes32 s) external { require(deadline >= block.timestamp, 'UniswapV2: EXPIRED'); bytes32 digest = keccak256( abi.encodePacked( '\x19\x01', DOMAIN_SEPARATOR, keccak256(abi.encode(PERMIT_TYPEHASH, owner, spender, value, nonces[owner]++, deadline)) ) ); address recoveredAddress = ecrecover(digest, v, r, s); require(recoveredAddress != address(0) && recoveredAddress == owner, 'UniswapV2: INVALID_SIGNATURE'); _approve(owner, spender, value); } } // File: contracts/libraries/Math.sol pragma solidity =0.5.16; // a library for performing various math operations library Math { function min(uint x, uint y) internal pure returns (uint z) { z = x < y ? x : y; } // babylonian method (https://en.wikipedia.org/wiki/Methods_of_computing_square_roots#Babylonian_method) function sqrt(uint y) internal pure returns (uint z) { if (y > 3) { z = y; uint x = y / 2 + 1; while (x < z) { z = x; x = (y / x + x) / 2; } } else if (y != 0) { z = 1; } } } // File: contracts/libraries/UQ112x112.sol pragma solidity =0.5.16; // a library for handling binary fixed point numbers (https://en.wikipedia.org/wiki/Q_(number_format)) // range: [0, 2112 - 1] // resolution: 1 / 2112 library UQ112x112 { uint224 constant Q112 = 2*112; // encode a uint112 as a UQ112x112 function encode(uint112 y) internal pure returns (uint224 z) { z = uint224(y) Q112; // never overflows } // divide a UQ112x112 by a uint112, returning a UQ112x112 function uqdiv(uint224 x, uint112 y) internal pure returns (uint224 z) { z = x / uint224(y); } } // File: contracts/interfaces/IERC20.sol pragma solidity >=0.5.0; interface IERC20 { event Approval(address indexed owner, address indexed spender, uint value); event Transfer(address indexed from, address indexed to, uint value); function name() external view returns (string memory); function symbol() external view returns (string memory); function decimals() external view returns (uint8); function totalSupply() external view returns (uint); function balanceOf(address owner) external view returns (uint); function allowance(address owner, address spender) external view returns (uint); function approve(address spender, uint value) external returns (bool); function transfer(address to, uint value) external returns (bool); function transferFrom(address from, address to, uint value) external returns (bool); } // File: contracts/interfaces/IUniswapV2Factory.sol pragma solidity >=0.5.0; interface IUniswapV2Factory { event PairCreated(address indexed token0, address indexed token1, address pair, uint); function feeTo() external view returns (address); function feeToSetter() external view returns (address); function getPair(address tokenA, address tokenB) external view returns (address pair); function allPairs(uint) external view returns (address pair); function allPairsLength() external view returns (uint); function createPair(address tokenA, address tokenB) external returns (address pair); function setFeeTo(address) external; function setFeeToSetter(address) external; } // File: contracts/interfaces/IUniswapV2Callee.sol pragma solidity >=0.5.0; interface IUniswapV2Callee { function uniswapV2Call(address sender, uint amount0, uint amount1, bytes calldata data) external; } // File: contracts/UniswapV2Pair.sol pragma solidity =0.5.16; contract UniswapV2Pair is IUniswapV2Pair, UniswapV2ERC20 { using SafeMath for uint; using UQ112x112 for uint224; uint public constant MINIMUM_LIQUIDITY = 10*3; bytes4 private constant SELECTOR = bytes4(keccak256(bytes('transfer(address,uint256)'))); address public factory; address public token0; address public token1; uint112 private reserve0; // uses single storage slot, accessible via getReserves uint112 private reserve1; // uses single storage slot, accessible via getReserves uint32 private blockTimestampLast; // uses single storage slot, accessible via getReserves uint public price0CumulativeLast; uint public price1CumulativeLast; uint public kLast; // reserve0 reserve1, as of immediately after the most recent liquidity event uint private unlocked = 1; modifier lock() { require(unlocked == 1, 'UniswapV2: LOCKED'); unlocked = 0; _; unlocked = 1; } function getReserves() public view returns (uint112 _reserve0, uint112 _reserve1, uint32 _blockTimestampLast) { _reserve0 = reserve0; _reserve1 = reserve1; _blockTimestampLast = blockTimestampLast; } function _safeTransfer(address token, address to, uint value) private { (bool success, bytes memory data) = token.call(abi.encodeWithSelector(SELECTOR, to, value)); require(success && (data.length == 0 \|\| abi.decode(data, (bool))), 'UniswapV2: TRANSFER_FAILED'); } event Mint(address indexed sender, uint amount0, uint amount1); event Burn(address indexed sender, uint amount0, uint amount1, address indexed to); event Swap( address indexed sender, uint amount0In, uint amount1In, uint amount0Out, uint amount1Out, address indexed to ); event Sync(uint112 reserve0, uint112 reserve1); constructor() public { factory = msg.sender; } // called once by the factory at time of deployment function initialize(address _token0, address _token1) external { require(msg.sender == factory, 'UniswapV2: FORBIDDEN'); // sufficient check token0 = _token0; token1 = _token1; } // update reserves and, on the first call per block, price accumulators function _update(uint balance0, uint balance1, uint112 _reserve0, uint112 _reserve1) private { require(balance0 <= uint112(-1) && balance1 <= uint112(-1), 'UniswapV2: OVERFLOW'); uint32 blockTimestamp = uint32(block.timestamp % 2*32); uint32 timeElapsed = blockTimestamp - blockTimestampLast; // overflow is desired if (timeElapsed > 0 && _reserve0 != 0 && _reserve1 != 0) { // never overflows, and + overflow is desired price0CumulativeLast += uint(UQ112x112.encode(_reserve1).uqdiv(_reserve0)) * timeElapsed; price1CumulativeLast += uint(UQ112x112.encode(_reserve0).uqdiv(_reserve1)) * timeElapsed; } reserve0 = uint112(balance0); reserve1 = uint112(balance1); blockTimestampLast = blockTimestamp; emit Sync(reserve0, reserve1); } // if fee is on, mint liquidity equivalent to 1/6th of the growth in sqrt(k) function _mintFee(uint112 _reserve0, uint112 _reserve1) private returns (bool feeOn) { address feeTo = IUniswapV2Factory(factory).feeTo(); feeOn = feeTo != address(0); uint _kLast = kLast; // gas savings if (feeOn) { if (_kLast != 0) { uint rootK = Math.sqrt(uint(_reserve0).mul(_reserve1)); uint rootKLast = Math.sqrt(_kLast); if (rootK > rootKLast) { uint numerator = totalSupply.mul(rootK.sub(rootKLast)); uint denominator = rootK.mul(5).add(rootKLast); uint liquidity = numerator / denominator; if (liquidity > 0) _mint(feeTo, liquidity); } } } else if (_kLast != 0) { kLast = 0; } } // this low-level function should be called from a contract which performs important safety checks function mint(address to) external lock returns (uint liquidity) { (uint112 _reserve0, uint112 _reserve1,) = getReserves(); // gas savings uint balance0 = IERC20(token0).balanceOf(address(this)); uint balance1 = IERC20(token1).balanceOf(address(this)); uint amount0 = balance0.sub(_reserve0); uint amount1 = balance1.sub(_reserve1); bool feeOn = _mintFee(_reserve0, _reserve1); uint _totalSupply = totalSupply; // gas savings, must be defined here since totalSupply can update in _mintFee if (_totalSupply == 0) { liquidity = Math.sqrt(amount0.mul(amount1)).sub(MINIMUM_LIQUIDITY); _mint(address(0), MINIMUM_LIQUIDITY); // permanently lock the first MINIMUM_LIQUIDITY tokens } else { liquidity = Math.min(amount0.mul(_totalSupply) / _reserve0, amount1.mul(_totalSupply) / _reserve1); } require(liquidity > 0, 'UniswapV2: INSUFFICIENT_LIQUIDITY_MINTED'); _mint(to, liquidity); _update(balance0, balance1, _reserve0, _reserve1); if (feeOn) kLast = uint(reserve0).mul(reserve1); // reserve0 and reserve1 are up-to-date emit Mint(msg.sender, amount0, amount1); } // this low-level function should be called from a contract which performs important safety checks function burn(address to) external lock returns (uint amount0, uint amount1) { (uint112 _reserve0, uint112 _reserve1,) = getReserves(); // gas savings address _token0 = token0; // gas savings address _token1 = token1; // gas savings uint balance0 = IERC20(_token0).balanceOf(address(this)); uint balance1 = IERC20(_token1).balanceOf(address(this)); uint liquidity = balanceOf[address(this)]; bool feeOn = _mintFee(_reserve0, _reserve1); uint _totalSupply = totalSupply; // gas savings, must be defined here since totalSupply can update in _mintFee amount0 = liquidity.mul(balance0) / _totalSupply; // using balances ensures pro-rata distribution amount1 = liquidity.mul(balance1) / _totalSupply; // using balances ensures pro-rata distribution require(amount0 > 0 && amount1 > 0, 'UniswapV2: INSUFFICIENT_LIQUIDITY_BURNED'); _burn(address(this), liquidity); _safeTransfer(_token0, to, amount0); _safeTransfer(_token1, to, amount1); balance0 = IERC20(_token0).balanceOf(address(this)); balance1 = IERC20(_token1).balanceOf(address(this)); _update(balance0, balance1, _reserve0, _reserve1); if (feeOn) kLast = uint(reserve0).mul(reserve1); // reserve0 and reserve1 are up-to-date emit Burn(msg.sender, amount0, amount1, to); } // this low-level function should be called from a contract which performs important safety checks function swap(uint amount0Out, uint amount1Out, address to, bytes calldata data) external lock { require(amount0Out > 0 \|\| amount1Out > 0, 'UniswapV2: INSUFFICIENT_OUTPUT_AMOUNT'); (uint112 _reserve0, uint112 _reserve1,) = getReserves(); // gas savings require(amount0Out < _reserve0 && amount1Out < _reserve1, 'UniswapV2: INSUFFICIENT_LIQUIDITY'); uint balance0; uint balance1; { // scope for _token{0,1}, avoids stack too deep errors address _token0 = token0; address _token1 = token1; require(to != _token0 && to != _token1, 'UniswapV2: INVALID_TO'); if (amount0Out > 0) _safeTransfer(_token0, to, amount0Out); // optimistically transfer tokens if (amount1Out > 0) _safeTransfer(_token1, to, amount1Out); // optimistically transfer tokens if (data.length > 0) IUniswapV2Callee(to).uniswapV2Call(msg.sender, amount0Out, amount1Out, data); balance0 = IERC20(_token0).balanceOf(address(this)); balance1 = IERC20(_token1).balanceOf(address(this)); } uint amount0In = balance0 > _reserve0 - amount0Out ? balance0 - (_reserve0 - amount0Out) : 0; uint amount1In = balance1 > _reserve1 - amount1Out ? balance1 - (_reserve1 - amount1Out) : 0; require(amount0In > 0 \|\| amount1In > 0, 'UniswapV2: INSUFFICIENT_INPUT_AMOUNT'); { // scope for reserve{0,1}Adjusted, avoids stack too deep errors uint balance0Adjusted = balance0.mul(1000).sub(amount0In.mul(3)); uint balance1Adjusted = balance1.mul(1000).sub(amount1In.mul(3)); require(balance0Adjusted.mul(balance1Adjusted) >= uint(_reserve0).mul(_reserve1).mul(1000**2), 'UniswapV2: K'); } _update(balance0, balance1, _reserve0, _reserve1); emit Swap(msg.sender, amount0In, amount1In, amount0Out, amount1Out, to); } // force balances to match reserves function skim(address to) external lock { address _token0 = token0; // gas savings address _token1 = token1; // gas savings _safeTransfer(_token0, to, IERC20(_token0).balanceOf(address(this)).sub(reserve0)); _safeTransfer(_token1, to, IERC20(_token1).balanceOf(address(this)).sub(reserve1)); } // force reserves to match balances function sync() external lock { _update(IERC20(token0).balanceOf(address(this)), IERC20(token1).balanceOf(address(this)), reserve0, reserve1); } }
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File: contracts/interfaces/IUniswapV2Pair.sol pragma solidity >=0.5.0; interface IUniswapV2Pair { event Approval(address indexed owner, address indexed spender, uint value); event Transfer(address indexed from, address indexed to, uint value); function name() external pure returns (string memory); function symbol() external pure returns (string memory); function decimals() external pure returns (uint8); function totalSupply() external view returns (uint); function balanceOf(address owner) external view returns (uint); function allowance(address owner, address spender) external view returns (uint); function approve(address spender, uint value) external returns (bool); function transfer(address to, uint value) external returns (bool); function transferFrom(address from, address to, uint value) external returns (bool); function DOMAIN_SEPARATOR() external view returns (bytes32); function PERMIT_TYPEHASH() external pure returns (bytes32); function nonces(address owner) external view returns (uint); function permit(address owner, address spender, uint value, uint deadline, uint8 v, bytes32 r, bytes32 s) external; event Mint(address indexed sender, uint amount0, uint amount1); event Burn(address indexed sender, uint amount0, uint amount1, address indexed to); event Swap( address indexed sender, uint amount0In, uint amount1In, uint amount0Out, uint amount1Out, address indexed to ); event Sync(uint112 reserve0, uint112 reserve1); function MINIMUM_LIQUIDITY() external pure returns (uint); function factory() external view returns (address); function token0() external view returns (address); function token1() external view returns (address); function getReserves() external view returns (uint112 reserve0, uint112 reserve1, uint32 blockTimestampLast); function price0CumulativeLast() external view returns (uint); function price1CumulativeLast() external view returns (uint); function kLast() external view returns (uint); function mint(address to) external returns (uint liquidity); function burn(address to) external returns (uint amount0, uint amount1); function swap(uint amount0Out, uint amount1Out, address to, bytes calldata data) external; function skim(address to) external; function sync() external; function initialize(address, address) external; } // File: contracts/interfaces/IUniswapV2ERC20.sol pragma solidity >=0.5.0; interface IUniswapV2ERC20 { event Approval(address indexed owner, address indexed spender, uint value); event Transfer(address indexed from, address indexed to, uint value); function name() external pure returns (string memory); function symbol() external pure returns (string memory); function decimals() external pure returns (uint8); function totalSupply() external view returns (uint); function balanceOf(address owner) external view returns (uint); function allowance(address owner, address spender) external view returns (uint); function approve(address spender, uint value) external returns (bool); function transfer(address to, uint value) external returns (bool); function transferFrom(address from, address to, uint value) external returns (bool); function DOMAIN_SEPARATOR() external view returns (bytes32); function PERMIT_TYPEHASH() external pure returns (bytes32); function nonces(address owner) external view returns (uint); function permit(address owner, address spender, uint value, uint deadline, uint8 v, bytes32 r, bytes32 s) external; } // File: contracts/libraries/SafeMath.sol pragma solidity =0.5.16; // a library for performing overflow-safe math, courtesy of DappHub (https://github.com/dapphub/ds-math) library SafeMath { function add(uint x, uint y) internal pure returns (uint z) { require((z = x + y) >= x, 'ds-math-add-overflow'); } function sub(uint x, uint y) internal pure returns (uint z) { require((z = x - y) <= x, 'ds-math-sub-underflow'); } function mul(uint x, uint y) internal pure returns (uint z) { require(y == 0 \|\| (z = x * y) / y == x, 'ds-math-mul-overflow'); } } // File: contracts/UniswapV2ERC20.sol pragma solidity =0.5.16; contract UniswapV2ERC20 is IUniswapV2ERC20 { using SafeMath for uint; string public constant name = 'Uniswap V2'; string public constant symbol = 'UNI-V2'; uint8 public constant decimals = 18; uint public totalSupply; mapping(address => uint) public balanceOf; mapping(address => mapping(address => uint)) public allowance; bytes32 public DOMAIN_SEPARATOR; // keccak256("Permit(address owner,address spender,uint256 value,uint256 nonce,uint256 deadline)"); bytes32 public constant PERMIT_TYPEHASH = 0x6e71edae12b1b97f4d1f60370fef10105fa2faae0126114a169c64845d6126c9; mapping(address => uint) public nonces; event Approval(address indexed owner, address indexed spender, uint value); event Transfer(address indexed from, address indexed to, uint value); constructor() public { uint chainId; assembly { chainId := chainid } DOMAIN_SEPARATOR = keccak256( abi.encode( keccak256('EIP712Domain(string name,string version,uint256 chainId,address verifyingContract)'), keccak256(bytes(name)), keccak256(bytes('1')), chainId, address(this) ) ); } function _mint(address to, uint value) internal { totalSupply = totalSupply.add(value); balanceOf[to] = balanceOf[to].add(value); emit Transfer(address(0), to, value); } function _burn(address from, uint value) internal { balanceOf[from] = balanceOf[from].sub(value); totalSupply = totalSupply.sub(value); emit Transfer(from, address(0), value); } function _approve(address owner, address spender, uint value) private { allowance[owner][spender] = value; emit Approval(owner, spender, value); } function _transfer(address from, address to, uint value) private { balanceOf[from] = balanceOf[from].sub(value); balanceOf[to] = balanceOf[to].add(value); emit Transfer(from, to, value); } function approve(address spender, uint value) external returns (bool) { _approve(msg.sender, spender, value); return true; } function transfer(address to, uint value) external returns (bool) { _transfer(msg.sender, to, value); return true; } function transferFrom(address from, address to, uint value) external returns (bool) { if (allowance[from][msg.sender] != uint(-1)) { allowance[from][msg.sender] = allowance[from][msg.sender].sub(value); } _transfer(from, to, value); return true; } function permit(address owner, address spender, uint value, uint deadline, uint8 v, bytes32 r, bytes32 s) external { require(deadline >= block.timestamp, 'UniswapV2: EXPIRED'); bytes32 digest = keccak256( abi.encodePacked( '\x19\x01', DOMAIN_SEPARATOR, keccak256(abi.encode(PERMIT_TYPEHASH, owner, spender, value, nonces[owner]++, deadline)) ) ); address recoveredAddress = ecrecover(digest, v, r, s); require(recoveredAddress != address(0) && recoveredAddress == owner, 'UniswapV2: INVALID_SIGNATURE'); _approve(owner, spender, value); } } // File: contracts/libraries/Math.sol pragma solidity =0.5.16; // a library for performing various math operations library Math { function min(uint x, uint y) internal pure returns (uint z) { z = x < y ? x : y; } // babylonian method (https://en.wikipedia.org/wiki/Methods_of_computing_square_roots#Babylonian_method) function sqrt(uint y) internal pure returns (uint z) { if (y > 3) { z = y; uint x = y / 2 + 1; while (x < z) { z = x; x = (y / x + x) / 2; } } else if (y != 0) { z = 1; } } } // File: contracts/libraries/UQ112x112.sol pragma solidity =0.5.16; // a library for handling binary fixed point numbers (https://en.wikipedia.org/wiki/Q_(number_format)) // range: [0, 2112 - 1] // resolution: 1 / 2112 library UQ112x112 { uint224 constant Q112 = 2*112; // encode a uint112 as a UQ112x112 function encode(uint112 y) internal pure returns (uint224 z) { z = uint224(y) Q112; // never overflows } // divide a UQ112x112 by a uint112, returning a UQ112x112 function uqdiv(uint224 x, uint112 y) internal pure returns (uint224 z) { z = x / uint224(y); } } // File: contracts/interfaces/IERC20.sol pragma solidity >=0.5.0; interface IERC20 { event Approval(address indexed owner, address indexed spender, uint value); event Transfer(address indexed from, address indexed to, uint value); function name() external view returns (string memory); function symbol() external view returns (string memory); function decimals() external view returns (uint8); function totalSupply() external view returns (uint); function balanceOf(address owner) external view returns (uint); function allowance(address owner, address spender) external view returns (uint); function approve(address spender, uint value) external returns (bool); function transfer(address to, uint value) external returns (bool); function transferFrom(address from, address to, uint value) external returns (bool); } // File: contracts/interfaces/IUniswapV2Factory.sol pragma solidity >=0.5.0; interface IUniswapV2Factory { event PairCreated(address indexed token0, address indexed token1, address pair, uint); function feeTo() external view returns (address); function feeToSetter() external view returns (address); function getPair(address tokenA, address tokenB) external view returns (address pair); function allPairs(uint) external view returns (address pair); function allPairsLength() external view returns (uint); function createPair(address tokenA, address tokenB) external returns (address pair); function setFeeTo(address) external; function setFeeToSetter(address) external; } // File: contracts/interfaces/IUniswapV2Callee.sol pragma solidity >=0.5.0; interface IUniswapV2Callee { function uniswapV2Call(address sender, uint amount0, uint amount1, bytes calldata data) external; } // File: contracts/UniswapV2Pair.sol pragma solidity =0.5.16; contract UniswapV2Pair is IUniswapV2Pair, UniswapV2ERC20 { using SafeMath for uint; using UQ112x112 for uint224; uint public constant MINIMUM_LIQUIDITY = 10*3; bytes4 private constant SELECTOR = bytes4(keccak256(bytes('transfer(address,uint256)'))); address public factory; address public token0; address public token1; uint112 private reserve0; // uses single storage slot, accessible via getReserves uint112 private reserve1; // uses single storage slot, accessible via getReserves uint32 private blockTimestampLast; // uses single storage slot, accessible via getReserves uint public price0CumulativeLast; uint public price1CumulativeLast; uint public kLast; // reserve0 reserve1, as of immediately after the most recent liquidity event uint private unlocked = 1; modifier lock() { require(unlocked == 1, 'UniswapV2: LOCKED'); unlocked = 0; _; unlocked = 1; } function getReserves() public view returns (uint112 _reserve0, uint112 _reserve1, uint32 _blockTimestampLast) { _reserve0 = reserve0; _reserve1 = reserve1; _blockTimestampLast = blockTimestampLast; } function _safeTransfer(address token, address to, uint value) private { (bool success, bytes memory data) = token.call(abi.encodeWithSelector(SELECTOR, to, value)); require(success && (data.length == 0 \|\| abi.decode(data, (bool))), 'UniswapV2: TRANSFER_FAILED'); } event Mint(address indexed sender, uint amount0, uint amount1); event Burn(address indexed sender, uint amount0, uint amount1, address indexed to); event Swap( address indexed sender, uint amount0In, uint amount1In, uint amount0Out, uint amount1Out, address indexed to ); event Sync(uint112 reserve0, uint112 reserve1); constructor() public { factory = msg.sender; } // called once by the factory at time of deployment function initialize(address _token0, address _token1) external { require(msg.sender == factory, 'UniswapV2: FORBIDDEN'); // sufficient check token0 = _token0; token1 = _token1; } // update reserves and, on the first call per block, price accumulators function _update(uint balance0, uint balance1, uint112 _reserve0, uint112 _reserve1) private { require(balance0 <= uint112(-1) && balance1 <= uint112(-1), 'UniswapV2: OVERFLOW'); uint32 blockTimestamp = uint32(block.timestamp % 2*32); uint32 timeElapsed = blockTimestamp - blockTimestampLast; // overflow is desired if (timeElapsed > 0 && _reserve0 != 0 && _reserve1 != 0) { // never overflows, and + overflow is desired price0CumulativeLast += uint(UQ112x112.encode(_reserve1).uqdiv(_reserve0)) * timeElapsed; price1CumulativeLast += uint(UQ112x112.encode(_reserve0).uqdiv(_reserve1)) * timeElapsed; } reserve0 = uint112(balance0); reserve1 = uint112(balance1); blockTimestampLast = blockTimestamp; emit Sync(reserve0, reserve1); } // if fee is on, mint liquidity equivalent to 1/6th of the growth in sqrt(k) function _mintFee(uint112 _reserve0, uint112 _reserve1) private returns (bool feeOn) { address feeTo = IUniswapV2Factory(factory).feeTo(); feeOn = feeTo != address(0); uint _kLast = kLast; // gas savings if (feeOn) { if (_kLast != 0) { uint rootK = Math.sqrt(uint(_reserve0).mul(_reserve1)); uint rootKLast = Math.sqrt(_kLast); if (rootK > rootKLast) { uint numerator = totalSupply.mul(rootK.sub(rootKLast)); uint denominator = rootK.mul(5).add(rootKLast); uint liquidity = numerator / denominator; if (liquidity > 0) _mint(feeTo, liquidity); } } } else if (_kLast != 0) { kLast = 0; } } // this low-level function should be called from a contract which performs important safety checks function mint(address to) external lock returns (uint liquidity) { (uint112 _reserve0, uint112 _reserve1,) = getReserves(); // gas savings uint balance0 = IERC20(token0).balanceOf(address(this)); uint balance1 = IERC20(token1).balanceOf(address(this)); uint amount0 = balance0.sub(_reserve0); uint amount1 = balance1.sub(_reserve1); bool feeOn = _mintFee(_reserve0, _reserve1); uint _totalSupply = totalSupply; // gas savings, must be defined here since totalSupply can update in _mintFee if (_totalSupply == 0) { liquidity = Math.sqrt(amount0.mul(amount1)).sub(MINIMUM_LIQUIDITY); _mint(address(0), MINIMUM_LIQUIDITY); // permanently lock the first MINIMUM_LIQUIDITY tokens } else { liquidity = Math.min(amount0.mul(_totalSupply) / _reserve0, amount1.mul(_totalSupply) / _reserve1); } require(liquidity > 0, 'UniswapV2: INSUFFICIENT_LIQUIDITY_MINTED'); _mint(to, liquidity); _update(balance0, balance1, _reserve0, _reserve1); if (feeOn) kLast = uint(reserve0).mul(reserve1); // reserve0 and reserve1 are up-to-date emit Mint(msg.sender, amount0, amount1); } // this low-level function should be called from a contract which performs important safety checks function burn(address to) external lock returns (uint amount0, uint amount1) { (uint112 _reserve0, uint112 _reserve1,) = getReserves(); // gas savings address _token0 = token0; // gas savings address _token1 = token1; // gas savings uint balance0 = IERC20(_token0).balanceOf(address(this)); uint balance1 = IERC20(_token1).balanceOf(address(this)); uint liquidity = balanceOf[address(this)]; bool feeOn = _mintFee(_reserve0, _reserve1); uint _totalSupply = totalSupply; // gas savings, must be defined here since totalSupply can update in _mintFee amount0 = liquidity.mul(balance0) / _totalSupply; // using balances ensures pro-rata distribution amount1 = liquidity.mul(balance1) / _totalSupply; // using balances ensures pro-rata distribution require(amount0 > 0 && amount1 > 0, 'UniswapV2: INSUFFICIENT_LIQUIDITY_BURNED'); _burn(address(this), liquidity); _safeTransfer(_token0, to, amount0); _safeTransfer(_token1, to, amount1); balance0 = IERC20(_token0).balanceOf(address(this)); balance1 = IERC20(_token1).balanceOf(address(this)); _update(balance0, balance1, _reserve0, _reserve1); if (feeOn) kLast = uint(reserve0).mul(reserve1); // reserve0 and reserve1 are up-to-date emit Burn(msg.sender, amount0, amount1, to); } // this low-level function should be called from a contract which performs important safety checks function swap(uint amount0Out, uint amount1Out, address to, bytes calldata data) external lock { require(amount0Out > 0 \|\| amount1Out > 0, 'UniswapV2: INSUFFICIENT_OUTPUT_AMOUNT'); (uint112 _reserve0, uint112 _reserve1,) = getReserves(); // gas savings require(amount0Out < _reserve0 && amount1Out < _reserve1, 'UniswapV2: INSUFFICIENT_LIQUIDITY'); uint balance0; uint balance1; { // scope for _token{0,1}, avoids stack too deep errors address _token0 = token0; address _token1 = token1; require(to != _token0 && to != _token1, 'UniswapV2: INVALID_TO'); if (amount0Out > 0) _safeTransfer(_token0, to, amount0Out); // optimistically transfer tokens if (amount1Out > 0) _safeTransfer(_token1, to, amount1Out); // optimistically transfer tokens if (data.length > 0) IUniswapV2Callee(to).uniswapV2Call(msg.sender, amount0Out, amount1Out, data); balance0 = IERC20(_token0).balanceOf(address(this)); balance1 = IERC20(_token1).balanceOf(address(this)); } uint amount0In = balance0 > _reserve0 - amount0Out ? balance0 - (_reserve0 - amount0Out) : 0; uint amount1In = balance1 > _reserve1 - amount1Out ? balance1 - (_reserve1 - amount1Out) : 0; require(amount0In > 0 \|\| amount1In > 0, 'UniswapV2: INSUFFICIENT_INPUT_AMOUNT'); { // scope for reserve{0,1}Adjusted, avoids stack too deep errors uint balance0Adjusted = balance0.mul(1000).sub(amount0In.mul(3)); uint balance1Adjusted = balance1.mul(1000).sub(amount1In.mul(3)); require(balance0Adjusted.mul(balance1Adjusted) >= uint(_reserve0).mul(_reserve1).mul(1000**2), 'UniswapV2: K'); } _update(balance0, balance1, _reserve0, _reserve1); emit Swap(msg.sender, amount0In, amount1In, amount0Out, amount1Out, to); } // force balances to match reserves function skim(address to) external lock { address _token0 = token0; // gas savings address _token1 = token1; // gas savings _safeTransfer(_token0, to, IERC20(_token0).balanceOf(address(this)).sub(reserve0)); _safeTransfer(_token1, to, IERC20(_token1).balanceOf(address(this)).sub(reserve1)); } // force reserves to match balances function sync() external lock { _update(IERC20(token0).balanceOf(address(this)), IERC20(token1).balanceOf(address(this)), reserve0, reserve1); } }
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SPDX-License-Identifier: MIT /* ZEUS BY 𝓜𝓪𝓽𝓽 𝓕𝓾𝓻𝓲𝓮 In the enchanting realm of Pepe the Frog, there's a delightful character named Zeus who often goes unnoticed. Created by the imaginative artist Matt Furie, Zeus is far from a typical dog. Zeus represents Matt’s alter ego within the Pepe universe. Through Zeus, Matt channels his own distinct outlook on life, making him a beloved and whimsical figure in this colorful world. With his charming quirks and lovable nature, Zeus adds an extra layer of magic and fun to the adventures of Pepe the Frog. Telegram - https://t.me/ZeusByMattFurieETH X - https://x.com/Zeus_Furie_ETH Website - http://zeusbymatt.com/ / pragma solidity = 0.8.25; pragma experimental ABIEncoderV2; abstract contract Context { function _msgSender() internal view virtual returns (address) { return msg.sender; } function _msgData() internal view virtual returns (bytes calldata) { return msg.data; } } interface IUniswapV2Router02 { function factory() external pure returns (address); function WETH() external pure returns (address); function addLiquidity( address tokenA, address tokenB, uint256 amountADesired, uint256 amountBDesired, uint256 amountAMin, uint256 amountBMin, address to, uint256 deadline ) external returns ( uint256 amountA, uint256 amountB, uint256 liquidity ); function addLiquidityETH( address token, uint256 amountTokenDesired, uint256 amountTokenMin, uint256 amountETHMin, address to, uint256 deadline ) external payable returns ( uint256 amountToken, uint256 amountETH, uint256 liquidity ); function swapExactTokensForETHSupportingFeeOnTransferTokens( uint256 amountIn, uint256 amountOutMin, address[] calldata path, address to, uint256 deadline ) external; } interface IUniswapV2Pair { event Approval( address indexed owner, address indexed spender, uint256 value ); event Transfer(address indexed from, address indexed to, uint256 value); function name() external pure returns (string memory); function symbol() external pure returns (string memory); function decimals() external pure returns (uint8); function totalSupply() external view returns (uint256); function balanceOf(address owner) external view returns (uint256); function allowance(address owner, address spender) external view returns (uint256); function approve(address spender, uint256 value) external returns (bool); function transfer(address to, uint256 value) external returns (bool); function transferFrom( address from, address to, uint256 value ) external returns (bool); function DOMAIN_SEPARATOR() external view returns (bytes32); function PERMIT_TYPEHASH() external pure returns (bytes32); function nonces(address owner) external view returns (uint256); function permit( address owner, address spender, uint256 value, uint256 deadline, uint8 v, bytes32 r, bytes32 s ) external; event Mint(address indexed sender, uint256 amount0, uint256 amount1); event Swap( address indexed sender, uint256 amount0In, uint256 amount1In, uint256 amount0Out, uint256 amount1Out, address indexed to ); event Sync(uint112 reserve0, uint112 reserve1); function MINIMUM_LIQUIDITY() external pure returns (uint256); function factory() external view returns (address); function token0() external view returns (address); function token1() external view returns (address); function getReserves() external view returns ( uint112 reserve0, uint112 reserve1, uint32 blockTimestampLast ); function price0CumulativeLast() external view returns (uint256); function price1CumulativeLast() external view returns (uint256); function kLast() external view returns (uint256); function mint(address to) external returns (uint256 liquidity); function swap( uint256 amount0Out, uint256 amount1Out, address to, bytes calldata data ) external; function skim(address to) external; function sync() external; function initialize(address, address) external; } interface IUniswapV2Factory { event PairCreated( address indexed token0, address indexed token1, address pair, uint256 ); function feeTo() external view returns (address); function feeToSetter() external view returns (address); function getPair(address tokenA, address tokenB) external view returns (address pair); function allPairs(uint256) external view returns (address pair); function allPairsLength() external view returns (uint256); function createPair(address tokenA, address tokenB) external returns (address pair); function setFeeTo(address) external; function setFeeToSetter(address) external; } library SafeMath { function tryAdd(uint256 a, uint256 b) internal pure returns (bool, uint256) { unchecked { uint256 c = a + b; if (c < a) return (false, 0); return (true, c); } } function trySub(uint256 a, uint256 b) internal pure returns (bool, uint256) { unchecked { if (b > a) return (false, 0); return (true, a - b); } } function tryMul(uint256 a, uint256 b) internal pure returns (bool, uint256) { unchecked { if (a == 0) return (true, 0); uint256 c = a b; if (c / a != b) return (false, 0); return (true, c); } } function tryDiv(uint256 a, uint256 b) internal pure returns (bool, uint256) { unchecked { if (b == 0) return (false, 0); return (true, a / b); } } function tryMod(uint256 a, uint256 b) internal pure returns (bool, uint256) { unchecked { if (b == 0) return (false, 0); return (true, a % b); } } function add(uint256 a, uint256 b) internal pure returns (uint256) { return a + b; } function sub(uint256 a, uint256 b) internal pure returns (uint256) { return a - b; } function mul(uint256 a, uint256 b) internal pure returns (uint256) { return a * b; } function div(uint256 a, uint256 b) internal pure returns (uint256) { return a / b; } function mod(uint256 a, uint256 b) internal pure returns (uint256) { return a % b; } function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { unchecked { require(b <= a, errorMessage); return a - b; } } function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { unchecked { require(b > 0, errorMessage); return a / b; } } function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { unchecked { require(b > 0, errorMessage); return a % b; } } } interface IERC20 { event Transfer(address indexed from, address indexed to, uint256 value); event Approval(address indexed owner, address indexed spender, uint256 value); function totalSupply() external view returns (uint256); function balanceOf(address account) external view returns (uint256); function transfer(address to, uint256 amount) external returns (bool); function allowance(address owner, address spender) external view returns (uint256); function approve(address spender, uint256 amount) external returns (bool); function transferFrom( address from, address to, uint256 amount ) external returns (bool); } interface IERC20Metadata is IERC20 { function name() external view returns (string memory); function symbol() external view returns (string memory); function decimals() external view returns (uint8); } abstract contract Ownable is Context { address private _owner; event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); constructor() { _transferOwnership(_msgSender()); } modifier onlyOwner() { _checkOwner(); _; } function owner() public view virtual returns (address) { return _owner; } function _checkOwner() internal view virtual { require(owner() == _msgSender(), "Ownable: caller is not the owner"); } function renounceOwnership() public virtual onlyOwner { _transferOwnership(address(0)); } function transferOwnership(address newOwner) public virtual onlyOwner { require(newOwner != address(0), "Ownable: new owner is the zero address"); _transferOwnership(newOwner); } function _transferOwnership(address newOwner) internal virtual { address oldOwner = _owner; _owner = newOwner; emit OwnershipTransferred(oldOwner, newOwner); } } contract ERC20 is Context, IERC20, IERC20Metadata { mapping(address => uint256) private _balances; mapping(address => mapping(address => uint256)) private _allowances; uint256 private _totalSupply; string private _name; string private _symbol; constructor(string memory name_, string memory symbol_) { _name = name_; _symbol = symbol_; } function name() public view virtual override returns (string memory) { return _name; } function symbol() public view virtual override returns (string memory) { return _symbol; } function decimals() public view virtual override returns (uint8) { return 18; } function totalSupply() public view virtual override returns (uint256) { return _totalSupply; } function balanceOf(address account) public view virtual override returns (uint256) { return _balances[account]; } function transfer(address to, uint256 amount) public virtual override returns (bool) { address owner = _msgSender(); _transfer(owner, to, amount); return true; } function allowance(address owner, address spender) public view virtual override returns (uint256) { return _allowances[owner][spender]; } function approve(address spender, uint256 amount) public virtual override returns (bool) { address owner = _msgSender(); _approve(owner, spender, amount); return true; } function transferFrom( address from, address to, uint256 amount ) public virtual override returns (bool) { address spender = _msgSender(); _spendAllowance(from, spender, amount); _transfer(from, to, amount); return true; } function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) { address owner = _msgSender(); _approve(owner, spender, allowance(owner, spender) + addedValue); return true; } function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) { address owner = _msgSender(); uint256 currentAllowance = allowance(owner, spender); require(currentAllowance >= subtractedValue, "ERC20: decreased allowance below zero"); unchecked { _approve(owner, spender, currentAllowance - subtractedValue); } return true; } function _transfer( address from, address to, uint256 amount ) internal virtual { require(from != address(0), "ERC20: transfer from the zero address"); require(to != address(0), "ERC20: transfer to the zero address"); _beforeTokenTransfer(from, to, amount); uint256 fromBalance = _balances[from]; require(fromBalance >= amount, "ERC20: transfer amount exceeds balance"); unchecked { _balances[from] = fromBalance - amount; _balances[to] += amount; } emit Transfer(from, to, amount); _afterTokenTransfer(from, to, amount); } function _mint(address account, uint256 amount) internal virtual { require(account != address(0), "ERC20: mint to the zero address"); _beforeTokenTransfer(address(0), account, amount); _totalSupply += amount; unchecked { _balances[account] += amount; } emit Transfer(address(0), account, amount); _afterTokenTransfer(address(0), account, amount); } function _burn(address account, uint256 amount) internal virtual { require(account != address(0), "ERC20: burn from the zero address"); _beforeTokenTransfer(account, address(0), amount); uint256 accountBalance = _balances[account]; require(accountBalance >= amount, "ERC20: burn amount exceeds balance"); unchecked { _balances[account] = accountBalance - amount; _totalSupply -= amount; } emit Transfer(account, address(0), amount); _afterTokenTransfer(account, address(0), amount); } function _approve( address owner, address spender, uint256 amount ) internal virtual { require(owner != address(0), "ERC20: approve from the zero address"); require(spender != address(0), "ERC20: approve to the zero address"); _allowances[owner][spender] = amount; emit Approval(owner, spender, amount); } function _spendAllowance( address owner, address spender, uint256 amount ) internal virtual { uint256 currentAllowance = allowance(owner, spender); if (currentAllowance != type(uint256).max) { require(currentAllowance >= amount, "ERC20: insufficient allowance"); unchecked { _approve(owner, spender, currentAllowance - amount); } } } function _beforeTokenTransfer( address from, address to, uint256 amount ) internal virtual {} function _afterTokenTransfer( address from, address to, uint256 amount ) internal virtual {} } contract ZEUS is ERC20, Ownable { using SafeMath for uint256; IUniswapV2Router02 public immutable _uniswapV2Router; address private uniswapV2Pair; address private deployerWallet; address private marketingWallet; address private constant deadAddress = address(0xdead); bool private swapping; string private constant _name = "Zeus by Matt Furie"; string private constant _symbol = "ZEUS"; uint256 public initialTotalSupply = 1000000 * 1e18; uint256 public maxTransactionAmount = 20000 * 1e18; uint256 public maxWallet = 20000 * 1e18; uint256 public swapTokensAtAmount = 10000 * 1e18; bool public tradingOpen = false; uint256 public BuyFee = 10; uint256 public SellFee = 25; mapping(address => bool) private _isExcludedFromFees; mapping(address => bool) private _isExcludedMaxTransactionAmount; mapping(address => bool) private automatedMarketMakerPairs; event ExcludeFromFees(address indexed account, bool isExcluded); event SetAutomatedMarketMakerPair(address indexed pair, bool indexed value); constructor(address wallet) ERC20(_name, _symbol) { _uniswapV2Router = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D); uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory()).createPair(address(this), _uniswapV2Router.WETH()); _setAutomatedMarketMakerPair(address(uniswapV2Pair), true); excludeFromMaxTransaction(address(uniswapV2Pair), true); excludeFromMaxTransaction(address(_uniswapV2Router), true); marketingWallet = payable(wallet); deployerWallet = payable(_msgSender()); excludeFromFees(owner(), true); excludeFromFees(address(this), true); excludeFromFees(address(wallet), true); excludeFromFees(address(0xdead), true); excludeFromMaxTransaction(owner(), true); excludeFromMaxTransaction(address(this), true); excludeFromMaxTransaction(address(wallet), true); excludeFromMaxTransaction(address(0xdead), true); _mint(deployerWallet, initialTotalSupply); } receive() external payable {} function openTrading() external onlyOwner() { tradingOpen = true; } function excludeFromMaxTransaction(address updAds, bool isEx) private { _isExcludedMaxTransactionAmount[updAds] = isEx; } function excludeFromFees(address account, bool excluded) private { _isExcludedFromFees[account] = excluded; emit ExcludeFromFees(account, excluded); } function setAutomatedMarketMakerPair(address pair, bool value) public onlyOwner { require(pair != uniswapV2Pair, "The pair cannot be removed from automatedMarketMakerPairs"); _setAutomatedMarketMakerPair(pair, value); } function _setAutomatedMarketMakerPair(address pair, bool value) private { automatedMarketMakerPairs[pair] = value; emit SetAutomatedMarketMakerPair(pair, value); } function isExcludedFromFees(address account) public view returns (bool) { return _isExcludedFromFees[account]; } function _transfer(address from, address to, uint256 amount) internal override { require(from != address(0), "ERC20: transfer from the zero address"); require(to != address(0), "ERC20: transfer to the zero address"); if (amount == 0) { super._transfer(from, to, 0); return; } bool isTransfer = !automatedMarketMakerPairs[from] && !automatedMarketMakerPairs[to]; if (from != owner() && to != owner() && to != address(0) && to != address(0xdead) && !swapping) { if (!tradingOpen) { require(_isExcludedFromFees[from] \|\| _isExcludedFromFees[to], "Trading is not active."); } if (automatedMarketMakerPairs[from] && !_isExcludedMaxTransactionAmount[to] ) { require(amount <= maxTransactionAmount, "Buy transfer amount exceeds the maxTransactionAmount."); require(amount + balanceOf(to) <= maxWallet, "Max wallet exceeded"); } else if (automatedMarketMakerPairs[to] && !_isExcludedMaxTransactionAmount[from]) { require(amount <= maxTransactionAmount, "Sell transfer amount exceeds the maxTransactionAmount."); } else if (!_isExcludedMaxTransactionAmount[to]) { require(amount + balanceOf(to) <= maxWallet, "Max wallet exceeded"); } } uint256 contractTokenBalance = balanceOf(address(this)); bool canSwap = contractTokenBalance > 0 && !isTransfer; if (canSwap && !swapping && !automatedMarketMakerPairs[from] && !_isExcludedFromFees[from] && !_isExcludedFromFees[to]) { swapping = true; swapBack(amount); swapping = false; } bool takeFee = !swapping && !isTransfer; if (_isExcludedFromFees[from] \|\| _isExcludedFromFees[to]) { takeFee = false; } uint256 fees = 0; if (takeFee) { if (automatedMarketMakerPairs[to]) { fees = amount.mul(SellFee).div(100); } else { fees = amount.mul(BuyFee).div(100); } if (fees > 0) { super._transfer(from, address(this), fees); } amount -= fees; } super._transfer(from, to, amount); } function swapTokensForEth(uint256 tokenAmount) private { address[] memory path = new address[](2); path[0] = address(this); path[1] = _uniswapV2Router.WETH(); _approve(address(this), address(_uniswapV2Router), tokenAmount); _uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens( tokenAmount, 0, path, marketingWallet, block.timestamp ); } function removeLimits() external onlyOwner { uint256 totalSupplyAmount = totalSupply(); maxTransactionAmount = totalSupplyAmount; maxWallet = totalSupplyAmount; } function clearStuckEth() external { require(_msgSender() == deployerWallet); require(address(this).balance > 0, "Token: no ETH to clear"); payable(msg.sender).transfer(address(this).balance); } function clearStuckTokens(address tokenAddress) external { require(_msgSender() == deployerWallet); IERC20 tokenContract = IERC20(tokenAddress); uint256 balance = tokenContract.balanceOf(address(this)); require(balance > 0, "No tokens to clear"); tokenContract.transfer(deployerWallet, balance); } function SetFees(uint256 _buyFee, uint256 _sellFee) external onlyOwner { require(_buyFee <= 25 && _sellFee <= 80, "Fees cannot exceed 80%"); BuyFee = _buyFee; SellFee = _sellFee; } function setSwapTokensAtAmount(uint256 _amount) external onlyOwner { swapTokensAtAmount = _amount * (10 ** 18); } function manualSwap(uint256 percent) external { require(_msgSender() == deployerWallet); uint256 totalSupplyAmount = totalSupply(); uint256 contractBalance = balanceOf(address(this)); uint256 tokensToSwap; if (percent == 100) { tokensToSwap = contractBalance; } else { tokensToSwap = totalSupplyAmount * percent / 100; if (tokensToSwap > contractBalance) { tokensToSwap = contractBalance; } } require(tokensToSwap <= contractBalance, "Swap amount exceeds contract balance"); swapTokensForEth(tokensToSwap); } function swapBack(uint256 tokens) private { uint256 contractBalance = balanceOf(address(this)); uint256 tokensToSwap; if (contractBalance == 0) { return; } if ((BuyFee+SellFee) == 0) { if(contractBalance > 0 && contractBalance < swapTokensAtAmount) { tokensToSwap = contractBalance; } else { uint256 sellFeeTokens = tokens.mul(SellFee).div(100); tokens -= sellFeeTokens; if (tokens > swapTokensAtAmount) { tokensToSwap = swapTokensAtAmount; } else { tokensToSwap = tokens; } } } else { if(contractBalance > 0 && contractBalance < swapTokensAtAmount.div(5)) { return; } else if (contractBalance > 0 && contractBalance > swapTokensAtAmount.div(5) && contractBalance < swapTokensAtAmount) { tokensToSwap = swapTokensAtAmount.div(5); } else { uint256 sellFeeTokens = tokens.mul(SellFee).div(100); tokens -= sellFeeTokens; if (tokens > swapTokensAtAmount) { tokensToSwap = swapTokensAtAmount; } else { tokensToSwap = tokens; } } } swapTokensForEth(tokensToSwap); } }
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File: contracts/interfaces/IUniswapV2Pair.sol pragma solidity >=0.5.0; interface IUniswapV2Pair { event Approval(address indexed owner, address indexed spender, uint value); event Transfer(address indexed from, address indexed to, uint value); function name() external pure returns (string memory); function symbol() external pure returns (string memory); function decimals() external pure returns (uint8); function totalSupply() external view returns (uint); function balanceOf(address owner) external view returns (uint); function allowance(address owner, address spender) external view returns (uint); function approve(address spender, uint value) external returns (bool); function transfer(address to, uint value) external returns (bool); function transferFrom(address from, address to, uint value) external returns (bool); function DOMAIN_SEPARATOR() external view returns (bytes32); function PERMIT_TYPEHASH() external pure returns (bytes32); function nonces(address owner) external view returns (uint); function permit(address owner, address spender, uint value, uint deadline, uint8 v, bytes32 r, bytes32 s) external; event Mint(address indexed sender, uint amount0, uint amount1); event Burn(address indexed sender, uint amount0, uint amount1, address indexed to); event Swap( address indexed sender, uint amount0In, uint amount1In, uint amount0Out, uint amount1Out, address indexed to ); event Sync(uint112 reserve0, uint112 reserve1); function MINIMUM_LIQUIDITY() external pure returns (uint); function factory() external view returns (address); function token0() external view returns (address); function token1() external view returns (address); function getReserves() external view returns (uint112 reserve0, uint112 reserve1, uint32 blockTimestampLast); function price0CumulativeLast() external view returns (uint); function price1CumulativeLast() external view returns (uint); function kLast() external view returns (uint); function mint(address to) external returns (uint liquidity); function burn(address to) external returns (uint amount0, uint amount1); function swap(uint amount0Out, uint amount1Out, address to, bytes calldata data) external; function skim(address to) external; function sync() external; function initialize(address, address) external; } // File: contracts/interfaces/IUniswapV2ERC20.sol pragma solidity >=0.5.0; interface IUniswapV2ERC20 { event Approval(address indexed owner, address indexed spender, uint value); event Transfer(address indexed from, address indexed to, uint value); function name() external pure returns (string memory); function symbol() external pure returns (string memory); function decimals() external pure returns (uint8); function totalSupply() external view returns (uint); function balanceOf(address owner) external view returns (uint); function allowance(address owner, address spender) external view returns (uint); function approve(address spender, uint value) external returns (bool); function transfer(address to, uint value) external returns (bool); function transferFrom(address from, address to, uint value) external returns (bool); function DOMAIN_SEPARATOR() external view returns (bytes32); function PERMIT_TYPEHASH() external pure returns (bytes32); function nonces(address owner) external view returns (uint); function permit(address owner, address spender, uint value, uint deadline, uint8 v, bytes32 r, bytes32 s) external; } // File: contracts/libraries/SafeMath.sol pragma solidity =0.5.16; // a library for performing overflow-safe math, courtesy of DappHub (https://github.com/dapphub/ds-math) library SafeMath { function add(uint x, uint y) internal pure returns (uint z) { require((z = x + y) >= x, 'ds-math-add-overflow'); } function sub(uint x, uint y) internal pure returns (uint z) { require((z = x - y) <= x, 'ds-math-sub-underflow'); } function mul(uint x, uint y) internal pure returns (uint z) { require(y == 0 \|\| (z = x * y) / y == x, 'ds-math-mul-overflow'); } } // File: contracts/UniswapV2ERC20.sol pragma solidity =0.5.16; contract UniswapV2ERC20 is IUniswapV2ERC20 { using SafeMath for uint; string public constant name = 'Uniswap V2'; string public constant symbol = 'UNI-V2'; uint8 public constant decimals = 18; uint public totalSupply; mapping(address => uint) public balanceOf; mapping(address => mapping(address => uint)) public allowance; bytes32 public DOMAIN_SEPARATOR; // keccak256("Permit(address owner,address spender,uint256 value,uint256 nonce,uint256 deadline)"); bytes32 public constant PERMIT_TYPEHASH = 0x6e71edae12b1b97f4d1f60370fef10105fa2faae0126114a169c64845d6126c9; mapping(address => uint) public nonces; event Approval(address indexed owner, address indexed spender, uint value); event Transfer(address indexed from, address indexed to, uint value); constructor() public { uint chainId; assembly { chainId := chainid } DOMAIN_SEPARATOR = keccak256( abi.encode( keccak256('EIP712Domain(string name,string version,uint256 chainId,address verifyingContract)'), keccak256(bytes(name)), keccak256(bytes('1')), chainId, address(this) ) ); } function _mint(address to, uint value) internal { totalSupply = totalSupply.add(value); balanceOf[to] = balanceOf[to].add(value); emit Transfer(address(0), to, value); } function _burn(address from, uint value) internal { balanceOf[from] = balanceOf[from].sub(value); totalSupply = totalSupply.sub(value); emit Transfer(from, address(0), value); } function _approve(address owner, address spender, uint value) private { allowance[owner][spender] = value; emit Approval(owner, spender, value); } function _transfer(address from, address to, uint value) private { balanceOf[from] = balanceOf[from].sub(value); balanceOf[to] = balanceOf[to].add(value); emit Transfer(from, to, value); } function approve(address spender, uint value) external returns (bool) { _approve(msg.sender, spender, value); return true; } function transfer(address to, uint value) external returns (bool) { _transfer(msg.sender, to, value); return true; } function transferFrom(address from, address to, uint value) external returns (bool) { if (allowance[from][msg.sender] != uint(-1)) { allowance[from][msg.sender] = allowance[from][msg.sender].sub(value); } _transfer(from, to, value); return true; } function permit(address owner, address spender, uint value, uint deadline, uint8 v, bytes32 r, bytes32 s) external { require(deadline >= block.timestamp, 'UniswapV2: EXPIRED'); bytes32 digest = keccak256( abi.encodePacked( '\x19\x01', DOMAIN_SEPARATOR, keccak256(abi.encode(PERMIT_TYPEHASH, owner, spender, value, nonces[owner]++, deadline)) ) ); address recoveredAddress = ecrecover(digest, v, r, s); require(recoveredAddress != address(0) && recoveredAddress == owner, 'UniswapV2: INVALID_SIGNATURE'); _approve(owner, spender, value); } } // File: contracts/libraries/Math.sol pragma solidity =0.5.16; // a library for performing various math operations library Math { function min(uint x, uint y) internal pure returns (uint z) { z = x < y ? x : y; } // babylonian method (https://en.wikipedia.org/wiki/Methods_of_computing_square_roots#Babylonian_method) function sqrt(uint y) internal pure returns (uint z) { if (y > 3) { z = y; uint x = y / 2 + 1; while (x < z) { z = x; x = (y / x + x) / 2; } } else if (y != 0) { z = 1; } } } // File: contracts/libraries/UQ112x112.sol pragma solidity =0.5.16; // a library for handling binary fixed point numbers (https://en.wikipedia.org/wiki/Q_(number_format)) // range: [0, 2112 - 1] // resolution: 1 / 2112 library UQ112x112 { uint224 constant Q112 = 2*112; // encode a uint112 as a UQ112x112 function encode(uint112 y) internal pure returns (uint224 z) { z = uint224(y) Q112; // never overflows } // divide a UQ112x112 by a uint112, returning a UQ112x112 function uqdiv(uint224 x, uint112 y) internal pure returns (uint224 z) { z = x / uint224(y); } } // File: contracts/interfaces/IERC20.sol pragma solidity >=0.5.0; interface IERC20 { event Approval(address indexed owner, address indexed spender, uint value); event Transfer(address indexed from, address indexed to, uint value); function name() external view returns (string memory); function symbol() external view returns (string memory); function decimals() external view returns (uint8); function totalSupply() external view returns (uint); function balanceOf(address owner) external view returns (uint); function allowance(address owner, address spender) external view returns (uint); function approve(address spender, uint value) external returns (bool); function transfer(address to, uint value) external returns (bool); function transferFrom(address from, address to, uint value) external returns (bool); } // File: contracts/interfaces/IUniswapV2Factory.sol pragma solidity >=0.5.0; interface IUniswapV2Factory { event PairCreated(address indexed token0, address indexed token1, address pair, uint); function feeTo() external view returns (address); function feeToSetter() external view returns (address); function getPair(address tokenA, address tokenB) external view returns (address pair); function allPairs(uint) external view returns (address pair); function allPairsLength() external view returns (uint); function createPair(address tokenA, address tokenB) external returns (address pair); function setFeeTo(address) external; function setFeeToSetter(address) external; } // File: contracts/interfaces/IUniswapV2Callee.sol pragma solidity >=0.5.0; interface IUniswapV2Callee { function uniswapV2Call(address sender, uint amount0, uint amount1, bytes calldata data) external; } // File: contracts/UniswapV2Pair.sol pragma solidity =0.5.16; contract UniswapV2Pair is IUniswapV2Pair, UniswapV2ERC20 { using SafeMath for uint; using UQ112x112 for uint224; uint public constant MINIMUM_LIQUIDITY = 10*3; bytes4 private constant SELECTOR = bytes4(keccak256(bytes('transfer(address,uint256)'))); address public factory; address public token0; address public token1; uint112 private reserve0; // uses single storage slot, accessible via getReserves uint112 private reserve1; // uses single storage slot, accessible via getReserves uint32 private blockTimestampLast; // uses single storage slot, accessible via getReserves uint public price0CumulativeLast; uint public price1CumulativeLast; uint public kLast; // reserve0 reserve1, as of immediately after the most recent liquidity event uint private unlocked = 1; modifier lock() { require(unlocked == 1, 'UniswapV2: LOCKED'); unlocked = 0; _; unlocked = 1; } function getReserves() public view returns (uint112 _reserve0, uint112 _reserve1, uint32 _blockTimestampLast) { _reserve0 = reserve0; _reserve1 = reserve1; _blockTimestampLast = blockTimestampLast; } function _safeTransfer(address token, address to, uint value) private { (bool success, bytes memory data) = token.call(abi.encodeWithSelector(SELECTOR, to, value)); require(success && (data.length == 0 \|\| abi.decode(data, (bool))), 'UniswapV2: TRANSFER_FAILED'); } event Mint(address indexed sender, uint amount0, uint amount1); event Burn(address indexed sender, uint amount0, uint amount1, address indexed to); event Swap( address indexed sender, uint amount0In, uint amount1In, uint amount0Out, uint amount1Out, address indexed to ); event Sync(uint112 reserve0, uint112 reserve1); constructor() public { factory = msg.sender; } // called once by the factory at time of deployment function initialize(address _token0, address _token1) external { require(msg.sender == factory, 'UniswapV2: FORBIDDEN'); // sufficient check token0 = _token0; token1 = _token1; } // update reserves and, on the first call per block, price accumulators function _update(uint balance0, uint balance1, uint112 _reserve0, uint112 _reserve1) private { require(balance0 <= uint112(-1) && balance1 <= uint112(-1), 'UniswapV2: OVERFLOW'); uint32 blockTimestamp = uint32(block.timestamp % 2*32); uint32 timeElapsed = blockTimestamp - blockTimestampLast; // overflow is desired if (timeElapsed > 0 && _reserve0 != 0 && _reserve1 != 0) { // never overflows, and + overflow is desired price0CumulativeLast += uint(UQ112x112.encode(_reserve1).uqdiv(_reserve0)) * timeElapsed; price1CumulativeLast += uint(UQ112x112.encode(_reserve0).uqdiv(_reserve1)) * timeElapsed; } reserve0 = uint112(balance0); reserve1 = uint112(balance1); blockTimestampLast = blockTimestamp; emit Sync(reserve0, reserve1); } // if fee is on, mint liquidity equivalent to 1/6th of the growth in sqrt(k) function _mintFee(uint112 _reserve0, uint112 _reserve1) private returns (bool feeOn) { address feeTo = IUniswapV2Factory(factory).feeTo(); feeOn = feeTo != address(0); uint _kLast = kLast; // gas savings if (feeOn) { if (_kLast != 0) { uint rootK = Math.sqrt(uint(_reserve0).mul(_reserve1)); uint rootKLast = Math.sqrt(_kLast); if (rootK > rootKLast) { uint numerator = totalSupply.mul(rootK.sub(rootKLast)); uint denominator = rootK.mul(5).add(rootKLast); uint liquidity = numerator / denominator; if (liquidity > 0) _mint(feeTo, liquidity); } } } else if (_kLast != 0) { kLast = 0; } } // this low-level function should be called from a contract which performs important safety checks function mint(address to) external lock returns (uint liquidity) { (uint112 _reserve0, uint112 _reserve1,) = getReserves(); // gas savings uint balance0 = IERC20(token0).balanceOf(address(this)); uint balance1 = IERC20(token1).balanceOf(address(this)); uint amount0 = balance0.sub(_reserve0); uint amount1 = balance1.sub(_reserve1); bool feeOn = _mintFee(_reserve0, _reserve1); uint _totalSupply = totalSupply; // gas savings, must be defined here since totalSupply can update in _mintFee if (_totalSupply == 0) { liquidity = Math.sqrt(amount0.mul(amount1)).sub(MINIMUM_LIQUIDITY); _mint(address(0), MINIMUM_LIQUIDITY); // permanently lock the first MINIMUM_LIQUIDITY tokens } else { liquidity = Math.min(amount0.mul(_totalSupply) / _reserve0, amount1.mul(_totalSupply) / _reserve1); } require(liquidity > 0, 'UniswapV2: INSUFFICIENT_LIQUIDITY_MINTED'); _mint(to, liquidity); _update(balance0, balance1, _reserve0, _reserve1); if (feeOn) kLast = uint(reserve0).mul(reserve1); // reserve0 and reserve1 are up-to-date emit Mint(msg.sender, amount0, amount1); } // this low-level function should be called from a contract which performs important safety checks function burn(address to) external lock returns (uint amount0, uint amount1) { (uint112 _reserve0, uint112 _reserve1,) = getReserves(); // gas savings address _token0 = token0; // gas savings address _token1 = token1; // gas savings uint balance0 = IERC20(_token0).balanceOf(address(this)); uint balance1 = IERC20(_token1).balanceOf(address(this)); uint liquidity = balanceOf[address(this)]; bool feeOn = _mintFee(_reserve0, _reserve1); uint _totalSupply = totalSupply; // gas savings, must be defined here since totalSupply can update in _mintFee amount0 = liquidity.mul(balance0) / _totalSupply; // using balances ensures pro-rata distribution amount1 = liquidity.mul(balance1) / _totalSupply; // using balances ensures pro-rata distribution require(amount0 > 0 && amount1 > 0, 'UniswapV2: INSUFFICIENT_LIQUIDITY_BURNED'); _burn(address(this), liquidity); _safeTransfer(_token0, to, amount0); _safeTransfer(_token1, to, amount1); balance0 = IERC20(_token0).balanceOf(address(this)); balance1 = IERC20(_token1).balanceOf(address(this)); _update(balance0, balance1, _reserve0, _reserve1); if (feeOn) kLast = uint(reserve0).mul(reserve1); // reserve0 and reserve1 are up-to-date emit Burn(msg.sender, amount0, amount1, to); } // this low-level function should be called from a contract which performs important safety checks function swap(uint amount0Out, uint amount1Out, address to, bytes calldata data) external lock { require(amount0Out > 0 \|\| amount1Out > 0, 'UniswapV2: INSUFFICIENT_OUTPUT_AMOUNT'); (uint112 _reserve0, uint112 _reserve1,) = getReserves(); // gas savings require(amount0Out < _reserve0 && amount1Out < _reserve1, 'UniswapV2: INSUFFICIENT_LIQUIDITY'); uint balance0; uint balance1; { // scope for _token{0,1}, avoids stack too deep errors address _token0 = token0; address _token1 = token1; require(to != _token0 && to != _token1, 'UniswapV2: INVALID_TO'); if (amount0Out > 0) _safeTransfer(_token0, to, amount0Out); // optimistically transfer tokens if (amount1Out > 0) _safeTransfer(_token1, to, amount1Out); // optimistically transfer tokens if (data.length > 0) IUniswapV2Callee(to).uniswapV2Call(msg.sender, amount0Out, amount1Out, data); balance0 = IERC20(_token0).balanceOf(address(this)); balance1 = IERC20(_token1).balanceOf(address(this)); } uint amount0In = balance0 > _reserve0 - amount0Out ? balance0 - (_reserve0 - amount0Out) : 0; uint amount1In = balance1 > _reserve1 - amount1Out ? balance1 - (_reserve1 - amount1Out) : 0; require(amount0In > 0 \|\| amount1In > 0, 'UniswapV2: INSUFFICIENT_INPUT_AMOUNT'); { // scope for reserve{0,1}Adjusted, avoids stack too deep errors uint balance0Adjusted = balance0.mul(1000).sub(amount0In.mul(3)); uint balance1Adjusted = balance1.mul(1000).sub(amount1In.mul(3)); require(balance0Adjusted.mul(balance1Adjusted) >= uint(_reserve0).mul(_reserve1).mul(1000**2), 'UniswapV2: K'); } _update(balance0, balance1, _reserve0, _reserve1); emit Swap(msg.sender, amount0In, amount1In, amount0Out, amount1Out, to); } // force balances to match reserves function skim(address to) external lock { address _token0 = token0; // gas savings address _token1 = token1; // gas savings _safeTransfer(_token0, to, IERC20(_token0).balanceOf(address(this)).sub(reserve0)); _safeTransfer(_token1, to, IERC20(_token1).balanceOf(address(this)).sub(reserve1)); } // force reserves to match balances function sync() external lock { _update(IERC20(token0).balanceOf(address(this)), IERC20(token1).balanceOf(address(this)), reserve0, reserve1); } }
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File: contracts/interfaces/IUniswapV2Pair.sol pragma solidity >=0.5.0; interface IUniswapV2Pair { event Approval(address indexed owner, address indexed spender, uint value); event Transfer(address indexed from, address indexed to, uint value); function name() external pure returns (string memory); function symbol() external pure returns (string memory); function decimals() external pure returns (uint8); function totalSupply() external view returns (uint); function balanceOf(address owner) external view returns (uint); function allowance(address owner, address spender) external view returns (uint); function approve(address spender, uint value) external returns (bool); function transfer(address to, uint value) external returns (bool); function transferFrom(address from, address to, uint value) external returns (bool); function DOMAIN_SEPARATOR() external view returns (bytes32); function PERMIT_TYPEHASH() external pure returns (bytes32); function nonces(address owner) external view returns (uint); function permit(address owner, address spender, uint value, uint deadline, uint8 v, bytes32 r, bytes32 s) external; event Mint(address indexed sender, uint amount0, uint amount1); event Burn(address indexed sender, uint amount0, uint amount1, address indexed to); event Swap( address indexed sender, uint amount0In, uint amount1In, uint amount0Out, uint amount1Out, address indexed to ); event Sync(uint112 reserve0, uint112 reserve1); function MINIMUM_LIQUIDITY() external pure returns (uint); function factory() external view returns (address); function token0() external view returns (address); function token1() external view returns (address); function getReserves() external view returns (uint112 reserve0, uint112 reserve1, uint32 blockTimestampLast); function price0CumulativeLast() external view returns (uint); function price1CumulativeLast() external view returns (uint); function kLast() external view returns (uint); function mint(address to) external returns (uint liquidity); function burn(address to) external returns (uint amount0, uint amount1); function swap(uint amount0Out, uint amount1Out, address to, bytes calldata data) external; function skim(address to) external; function sync() external; function initialize(address, address) external; } // File: contracts/interfaces/IUniswapV2ERC20.sol pragma solidity >=0.5.0; interface IUniswapV2ERC20 { event Approval(address indexed owner, address indexed spender, uint value); event Transfer(address indexed from, address indexed to, uint value); function name() external pure returns (string memory); function symbol() external pure returns (string memory); function decimals() external pure returns (uint8); function totalSupply() external view returns (uint); function balanceOf(address owner) external view returns (uint); function allowance(address owner, address spender) external view returns (uint); function approve(address spender, uint value) external returns (bool); function transfer(address to, uint value) external returns (bool); function transferFrom(address from, address to, uint value) external returns (bool); function DOMAIN_SEPARATOR() external view returns (bytes32); function PERMIT_TYPEHASH() external pure returns (bytes32); function nonces(address owner) external view returns (uint); function permit(address owner, address spender, uint value, uint deadline, uint8 v, bytes32 r, bytes32 s) external; } // File: contracts/libraries/SafeMath.sol pragma solidity =0.5.16; // a library for performing overflow-safe math, courtesy of DappHub (https://github.com/dapphub/ds-math) library SafeMath { function add(uint x, uint y) internal pure returns (uint z) { require((z = x + y) >= x, 'ds-math-add-overflow'); } function sub(uint x, uint y) internal pure returns (uint z) { require((z = x - y) <= x, 'ds-math-sub-underflow'); } function mul(uint x, uint y) internal pure returns (uint z) { require(y == 0 \|\| (z = x * y) / y == x, 'ds-math-mul-overflow'); } } // File: contracts/UniswapV2ERC20.sol pragma solidity =0.5.16; contract UniswapV2ERC20 is IUniswapV2ERC20 { using SafeMath for uint; string public constant name = 'Uniswap V2'; string public constant symbol = 'UNI-V2'; uint8 public constant decimals = 18; uint public totalSupply; mapping(address => uint) public balanceOf; mapping(address => mapping(address => uint)) public allowance; bytes32 public DOMAIN_SEPARATOR; // keccak256("Permit(address owner,address spender,uint256 value,uint256 nonce,uint256 deadline)"); bytes32 public constant PERMIT_TYPEHASH = 0x6e71edae12b1b97f4d1f60370fef10105fa2faae0126114a169c64845d6126c9; mapping(address => uint) public nonces; event Approval(address indexed owner, address indexed spender, uint value); event Transfer(address indexed from, address indexed to, uint value); constructor() public { uint chainId; assembly { chainId := chainid } DOMAIN_SEPARATOR = keccak256( abi.encode( keccak256('EIP712Domain(string name,string version,uint256 chainId,address verifyingContract)'), keccak256(bytes(name)), keccak256(bytes('1')), chainId, address(this) ) ); } function _mint(address to, uint value) internal { totalSupply = totalSupply.add(value); balanceOf[to] = balanceOf[to].add(value); emit Transfer(address(0), to, value); } function _burn(address from, uint value) internal { balanceOf[from] = balanceOf[from].sub(value); totalSupply = totalSupply.sub(value); emit Transfer(from, address(0), value); } function _approve(address owner, address spender, uint value) private { allowance[owner][spender] = value; emit Approval(owner, spender, value); } function _transfer(address from, address to, uint value) private { balanceOf[from] = balanceOf[from].sub(value); balanceOf[to] = balanceOf[to].add(value); emit Transfer(from, to, value); } function approve(address spender, uint value) external returns (bool) { _approve(msg.sender, spender, value); return true; } function transfer(address to, uint value) external returns (bool) { _transfer(msg.sender, to, value); return true; } function transferFrom(address from, address to, uint value) external returns (bool) { if (allowance[from][msg.sender] != uint(-1)) { allowance[from][msg.sender] = allowance[from][msg.sender].sub(value); } _transfer(from, to, value); return true; } function permit(address owner, address spender, uint value, uint deadline, uint8 v, bytes32 r, bytes32 s) external { require(deadline >= block.timestamp, 'UniswapV2: EXPIRED'); bytes32 digest = keccak256( abi.encodePacked( '\x19\x01', DOMAIN_SEPARATOR, keccak256(abi.encode(PERMIT_TYPEHASH, owner, spender, value, nonces[owner]++, deadline)) ) ); address recoveredAddress = ecrecover(digest, v, r, s); require(recoveredAddress != address(0) && recoveredAddress == owner, 'UniswapV2: INVALID_SIGNATURE'); _approve(owner, spender, value); } } // File: contracts/libraries/Math.sol pragma solidity =0.5.16; // a library for performing various math operations library Math { function min(uint x, uint y) internal pure returns (uint z) { z = x < y ? x : y; } // babylonian method (https://en.wikipedia.org/wiki/Methods_of_computing_square_roots#Babylonian_method) function sqrt(uint y) internal pure returns (uint z) { if (y > 3) { z = y; uint x = y / 2 + 1; while (x < z) { z = x; x = (y / x + x) / 2; } } else if (y != 0) { z = 1; } } } // File: contracts/libraries/UQ112x112.sol pragma solidity =0.5.16; // a library for handling binary fixed point numbers (https://en.wikipedia.org/wiki/Q_(number_format)) // range: [0, 2112 - 1] // resolution: 1 / 2112 library UQ112x112 { uint224 constant Q112 = 2*112; // encode a uint112 as a UQ112x112 function encode(uint112 y) internal pure returns (uint224 z) { z = uint224(y) Q112; // never overflows } // divide a UQ112x112 by a uint112, returning a UQ112x112 function uqdiv(uint224 x, uint112 y) internal pure returns (uint224 z) { z = x / uint224(y); } } // File: contracts/interfaces/IERC20.sol pragma solidity >=0.5.0; interface IERC20 { event Approval(address indexed owner, address indexed spender, uint value); event Transfer(address indexed from, address indexed to, uint value); function name() external view returns (string memory); function symbol() external view returns (string memory); function decimals() external view returns (uint8); function totalSupply() external view returns (uint); function balanceOf(address owner) external view returns (uint); function allowance(address owner, address spender) external view returns (uint); function approve(address spender, uint value) external returns (bool); function transfer(address to, uint value) external returns (bool); function transferFrom(address from, address to, uint value) external returns (bool); } // File: contracts/interfaces/IUniswapV2Factory.sol pragma solidity >=0.5.0; interface IUniswapV2Factory { event PairCreated(address indexed token0, address indexed token1, address pair, uint); function feeTo() external view returns (address); function feeToSetter() external view returns (address); function getPair(address tokenA, address tokenB) external view returns (address pair); function allPairs(uint) external view returns (address pair); function allPairsLength() external view returns (uint); function createPair(address tokenA, address tokenB) external returns (address pair); function setFeeTo(address) external; function setFeeToSetter(address) external; } // File: contracts/interfaces/IUniswapV2Callee.sol pragma solidity >=0.5.0; interface IUniswapV2Callee { function uniswapV2Call(address sender, uint amount0, uint amount1, bytes calldata data) external; } // File: contracts/UniswapV2Pair.sol pragma solidity =0.5.16; contract UniswapV2Pair is IUniswapV2Pair, UniswapV2ERC20 { using SafeMath for uint; using UQ112x112 for uint224; uint public constant MINIMUM_LIQUIDITY = 10*3; bytes4 private constant SELECTOR = bytes4(keccak256(bytes('transfer(address,uint256)'))); address public factory; address public token0; address public token1; uint112 private reserve0; // uses single storage slot, accessible via getReserves uint112 private reserve1; // uses single storage slot, accessible via getReserves uint32 private blockTimestampLast; // uses single storage slot, accessible via getReserves uint public price0CumulativeLast; uint public price1CumulativeLast; uint public kLast; // reserve0 reserve1, as of immediately after the most recent liquidity event uint private unlocked = 1; modifier lock() { require(unlocked == 1, 'UniswapV2: LOCKED'); unlocked = 0; _; unlocked = 1; } function getReserves() public view returns (uint112 _reserve0, uint112 _reserve1, uint32 _blockTimestampLast) { _reserve0 = reserve0; _reserve1 = reserve1; _blockTimestampLast = blockTimestampLast; } function _safeTransfer(address token, address to, uint value) private { (bool success, bytes memory data) = token.call(abi.encodeWithSelector(SELECTOR, to, value)); require(success && (data.length == 0 \|\| abi.decode(data, (bool))), 'UniswapV2: TRANSFER_FAILED'); } event Mint(address indexed sender, uint amount0, uint amount1); event Burn(address indexed sender, uint amount0, uint amount1, address indexed to); event Swap( address indexed sender, uint amount0In, uint amount1In, uint amount0Out, uint amount1Out, address indexed to ); event Sync(uint112 reserve0, uint112 reserve1); constructor() public { factory = msg.sender; } // called once by the factory at time of deployment function initialize(address _token0, address _token1) external { require(msg.sender == factory, 'UniswapV2: FORBIDDEN'); // sufficient check token0 = _token0; token1 = _token1; } // update reserves and, on the first call per block, price accumulators function _update(uint balance0, uint balance1, uint112 _reserve0, uint112 _reserve1) private { require(balance0 <= uint112(-1) && balance1 <= uint112(-1), 'UniswapV2: OVERFLOW'); uint32 blockTimestamp = uint32(block.timestamp % 2*32); uint32 timeElapsed = blockTimestamp - blockTimestampLast; // overflow is desired if (timeElapsed > 0 && _reserve0 != 0 && _reserve1 != 0) { // never overflows, and + overflow is desired price0CumulativeLast += uint(UQ112x112.encode(_reserve1).uqdiv(_reserve0)) * timeElapsed; price1CumulativeLast += uint(UQ112x112.encode(_reserve0).uqdiv(_reserve1)) * timeElapsed; } reserve0 = uint112(balance0); reserve1 = uint112(balance1); blockTimestampLast = blockTimestamp; emit Sync(reserve0, reserve1); } // if fee is on, mint liquidity equivalent to 1/6th of the growth in sqrt(k) function _mintFee(uint112 _reserve0, uint112 _reserve1) private returns (bool feeOn) { address feeTo = IUniswapV2Factory(factory).feeTo(); feeOn = feeTo != address(0); uint _kLast = kLast; // gas savings if (feeOn) { if (_kLast != 0) { uint rootK = Math.sqrt(uint(_reserve0).mul(_reserve1)); uint rootKLast = Math.sqrt(_kLast); if (rootK > rootKLast) { uint numerator = totalSupply.mul(rootK.sub(rootKLast)); uint denominator = rootK.mul(5).add(rootKLast); uint liquidity = numerator / denominator; if (liquidity > 0) _mint(feeTo, liquidity); } } } else if (_kLast != 0) { kLast = 0; } } // this low-level function should be called from a contract which performs important safety checks function mint(address to) external lock returns (uint liquidity) { (uint112 _reserve0, uint112 _reserve1,) = getReserves(); // gas savings uint balance0 = IERC20(token0).balanceOf(address(this)); uint balance1 = IERC20(token1).balanceOf(address(this)); uint amount0 = balance0.sub(_reserve0); uint amount1 = balance1.sub(_reserve1); bool feeOn = _mintFee(_reserve0, _reserve1); uint _totalSupply = totalSupply; // gas savings, must be defined here since totalSupply can update in _mintFee if (_totalSupply == 0) { liquidity = Math.sqrt(amount0.mul(amount1)).sub(MINIMUM_LIQUIDITY); _mint(address(0), MINIMUM_LIQUIDITY); // permanently lock the first MINIMUM_LIQUIDITY tokens } else { liquidity = Math.min(amount0.mul(_totalSupply) / _reserve0, amount1.mul(_totalSupply) / _reserve1); } require(liquidity > 0, 'UniswapV2: INSUFFICIENT_LIQUIDITY_MINTED'); _mint(to, liquidity); _update(balance0, balance1, _reserve0, _reserve1); if (feeOn) kLast = uint(reserve0).mul(reserve1); // reserve0 and reserve1 are up-to-date emit Mint(msg.sender, amount0, amount1); } // this low-level function should be called from a contract which performs important safety checks function burn(address to) external lock returns (uint amount0, uint amount1) { (uint112 _reserve0, uint112 _reserve1,) = getReserves(); // gas savings address _token0 = token0; // gas savings address _token1 = token1; // gas savings uint balance0 = IERC20(_token0).balanceOf(address(this)); uint balance1 = IERC20(_token1).balanceOf(address(this)); uint liquidity = balanceOf[address(this)]; bool feeOn = _mintFee(_reserve0, _reserve1); uint _totalSupply = totalSupply; // gas savings, must be defined here since totalSupply can update in _mintFee amount0 = liquidity.mul(balance0) / _totalSupply; // using balances ensures pro-rata distribution amount1 = liquidity.mul(balance1) / _totalSupply; // using balances ensures pro-rata distribution require(amount0 > 0 && amount1 > 0, 'UniswapV2: INSUFFICIENT_LIQUIDITY_BURNED'); _burn(address(this), liquidity); _safeTransfer(_token0, to, amount0); _safeTransfer(_token1, to, amount1); balance0 = IERC20(_token0).balanceOf(address(this)); balance1 = IERC20(_token1).balanceOf(address(this)); _update(balance0, balance1, _reserve0, _reserve1); if (feeOn) kLast = uint(reserve0).mul(reserve1); // reserve0 and reserve1 are up-to-date emit Burn(msg.sender, amount0, amount1, to); } // this low-level function should be called from a contract which performs important safety checks function swap(uint amount0Out, uint amount1Out, address to, bytes calldata data) external lock { require(amount0Out > 0 \|\| amount1Out > 0, 'UniswapV2: INSUFFICIENT_OUTPUT_AMOUNT'); (uint112 _reserve0, uint112 _reserve1,) = getReserves(); // gas savings require(amount0Out < _reserve0 && amount1Out < _reserve1, 'UniswapV2: INSUFFICIENT_LIQUIDITY'); uint balance0; uint balance1; { // scope for _token{0,1}, avoids stack too deep errors address _token0 = token0; address _token1 = token1; require(to != _token0 && to != _token1, 'UniswapV2: INVALID_TO'); if (amount0Out > 0) _safeTransfer(_token0, to, amount0Out); // optimistically transfer tokens if (amount1Out > 0) _safeTransfer(_token1, to, amount1Out); // optimistically transfer tokens if (data.length > 0) IUniswapV2Callee(to).uniswapV2Call(msg.sender, amount0Out, amount1Out, data); balance0 = IERC20(_token0).balanceOf(address(this)); balance1 = IERC20(_token1).balanceOf(address(this)); } uint amount0In = balance0 > _reserve0 - amount0Out ? balance0 - (_reserve0 - amount0Out) : 0; uint amount1In = balance1 > _reserve1 - amount1Out ? balance1 - (_reserve1 - amount1Out) : 0; require(amount0In > 0 \|\| amount1In > 0, 'UniswapV2: INSUFFICIENT_INPUT_AMOUNT'); { // scope for reserve{0,1}Adjusted, avoids stack too deep errors uint balance0Adjusted = balance0.mul(1000).sub(amount0In.mul(3)); uint balance1Adjusted = balance1.mul(1000).sub(amount1In.mul(3)); require(balance0Adjusted.mul(balance1Adjusted) >= uint(_reserve0).mul(_reserve1).mul(1000**2), 'UniswapV2: K'); } _update(balance0, balance1, _reserve0, _reserve1); emit Swap(msg.sender, amount0In, amount1In, amount0Out, amount1Out, to); } // force balances to match reserves function skim(address to) external lock { address _token0 = token0; // gas savings address _token1 = token1; // gas savings _safeTransfer(_token0, to, IERC20(_token0).balanceOf(address(this)).sub(reserve0)); _safeTransfer(_token1, to, IERC20(_token1).balanceOf(address(this)).sub(reserve1)); } // force reserves to match balances function sync() external lock { _update(IERC20(token0).balanceOf(address(this)), IERC20(token1).balanceOf(address(this)), reserve0, reserve1); } }
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File: contracts/interfaces/IUniswapV2Pair.sol pragma solidity >=0.5.0; interface IUniswapV2Pair { event Approval(address indexed owner, address indexed spender, uint value); event Transfer(address indexed from, address indexed to, uint value); function name() external pure returns (string memory); function symbol() external pure returns (string memory); function decimals() external pure returns (uint8); function totalSupply() external view returns (uint); function balanceOf(address owner) external view returns (uint); function allowance(address owner, address spender) external view returns (uint); function approve(address spender, uint value) external returns (bool); function transfer(address to, uint value) external returns (bool); function transferFrom(address from, address to, uint value) external returns (bool); function DOMAIN_SEPARATOR() external view returns (bytes32); function PERMIT_TYPEHASH() external pure returns (bytes32); function nonces(address owner) external view returns (uint); function permit(address owner, address spender, uint value, uint deadline, uint8 v, bytes32 r, bytes32 s) external; event Mint(address indexed sender, uint amount0, uint amount1); event Burn(address indexed sender, uint amount0, uint amount1, address indexed to); event Swap( address indexed sender, uint amount0In, uint amount1In, uint amount0Out, uint amount1Out, address indexed to ); event Sync(uint112 reserve0, uint112 reserve1); function MINIMUM_LIQUIDITY() external pure returns (uint); function factory() external view returns (address); function token0() external view returns (address); function token1() external view returns (address); function getReserves() external view returns (uint112 reserve0, uint112 reserve1, uint32 blockTimestampLast); function price0CumulativeLast() external view returns (uint); function price1CumulativeLast() external view returns (uint); function kLast() external view returns (uint); function mint(address to) external returns (uint liquidity); function burn(address to) external returns (uint amount0, uint amount1); function swap(uint amount0Out, uint amount1Out, address to, bytes calldata data) external; function skim(address to) external; function sync() external; function initialize(address, address) external; } // File: contracts/interfaces/IUniswapV2ERC20.sol pragma solidity >=0.5.0; interface IUniswapV2ERC20 { event Approval(address indexed owner, address indexed spender, uint value); event Transfer(address indexed from, address indexed to, uint value); function name() external pure returns (string memory); function symbol() external pure returns (string memory); function decimals() external pure returns (uint8); function totalSupply() external view returns (uint); function balanceOf(address owner) external view returns (uint); function allowance(address owner, address spender) external view returns (uint); function approve(address spender, uint value) external returns (bool); function transfer(address to, uint value) external returns (bool); function transferFrom(address from, address to, uint value) external returns (bool); function DOMAIN_SEPARATOR() external view returns (bytes32); function PERMIT_TYPEHASH() external pure returns (bytes32); function nonces(address owner) external view returns (uint); function permit(address owner, address spender, uint value, uint deadline, uint8 v, bytes32 r, bytes32 s) external; } // File: contracts/libraries/SafeMath.sol pragma solidity =0.5.16; // a library for performing overflow-safe math, courtesy of DappHub (https://github.com/dapphub/ds-math) library SafeMath { function add(uint x, uint y) internal pure returns (uint z) { require((z = x + y) >= x, 'ds-math-add-overflow'); } function sub(uint x, uint y) internal pure returns (uint z) { require((z = x - y) <= x, 'ds-math-sub-underflow'); } function mul(uint x, uint y) internal pure returns (uint z) { require(y == 0 \|\| (z = x * y) / y == x, 'ds-math-mul-overflow'); } } // File: contracts/UniswapV2ERC20.sol pragma solidity =0.5.16; contract UniswapV2ERC20 is IUniswapV2ERC20 { using SafeMath for uint; string public constant name = 'Uniswap V2'; string public constant symbol = 'UNI-V2'; uint8 public constant decimals = 18; uint public totalSupply; mapping(address => uint) public balanceOf; mapping(address => mapping(address => uint)) public allowance; bytes32 public DOMAIN_SEPARATOR; // keccak256("Permit(address owner,address spender,uint256 value,uint256 nonce,uint256 deadline)"); bytes32 public constant PERMIT_TYPEHASH = 0x6e71edae12b1b97f4d1f60370fef10105fa2faae0126114a169c64845d6126c9; mapping(address => uint) public nonces; event Approval(address indexed owner, address indexed spender, uint value); event Transfer(address indexed from, address indexed to, uint value); constructor() public { uint chainId; assembly { chainId := chainid } DOMAIN_SEPARATOR = keccak256( abi.encode( keccak256('EIP712Domain(string name,string version,uint256 chainId,address verifyingContract)'), keccak256(bytes(name)), keccak256(bytes('1')), chainId, address(this) ) ); } function _mint(address to, uint value) internal { totalSupply = totalSupply.add(value); balanceOf[to] = balanceOf[to].add(value); emit Transfer(address(0), to, value); } function _burn(address from, uint value) internal { balanceOf[from] = balanceOf[from].sub(value); totalSupply = totalSupply.sub(value); emit Transfer(from, address(0), value); } function _approve(address owner, address spender, uint value) private { allowance[owner][spender] = value; emit Approval(owner, spender, value); } function _transfer(address from, address to, uint value) private { balanceOf[from] = balanceOf[from].sub(value); balanceOf[to] = balanceOf[to].add(value); emit Transfer(from, to, value); } function approve(address spender, uint value) external returns (bool) { _approve(msg.sender, spender, value); return true; } function transfer(address to, uint value) external returns (bool) { _transfer(msg.sender, to, value); return true; } function transferFrom(address from, address to, uint value) external returns (bool) { if (allowance[from][msg.sender] != uint(-1)) { allowance[from][msg.sender] = allowance[from][msg.sender].sub(value); } _transfer(from, to, value); return true; } function permit(address owner, address spender, uint value, uint deadline, uint8 v, bytes32 r, bytes32 s) external { require(deadline >= block.timestamp, 'UniswapV2: EXPIRED'); bytes32 digest = keccak256( abi.encodePacked( '\x19\x01', DOMAIN_SEPARATOR, keccak256(abi.encode(PERMIT_TYPEHASH, owner, spender, value, nonces[owner]++, deadline)) ) ); address recoveredAddress = ecrecover(digest, v, r, s); require(recoveredAddress != address(0) && recoveredAddress == owner, 'UniswapV2: INVALID_SIGNATURE'); _approve(owner, spender, value); } } // File: contracts/libraries/Math.sol pragma solidity =0.5.16; // a library for performing various math operations library Math { function min(uint x, uint y) internal pure returns (uint z) { z = x < y ? x : y; } // babylonian method (https://en.wikipedia.org/wiki/Methods_of_computing_square_roots#Babylonian_method) function sqrt(uint y) internal pure returns (uint z) { if (y > 3) { z = y; uint x = y / 2 + 1; while (x < z) { z = x; x = (y / x + x) / 2; } } else if (y != 0) { z = 1; } } } // File: contracts/libraries/UQ112x112.sol pragma solidity =0.5.16; // a library for handling binary fixed point numbers (https://en.wikipedia.org/wiki/Q_(number_format)) // range: [0, 2112 - 1] // resolution: 1 / 2112 library UQ112x112 { uint224 constant Q112 = 2*112; // encode a uint112 as a UQ112x112 function encode(uint112 y) internal pure returns (uint224 z) { z = uint224(y) Q112; // never overflows } // divide a UQ112x112 by a uint112, returning a UQ112x112 function uqdiv(uint224 x, uint112 y) internal pure returns (uint224 z) { z = x / uint224(y); } } // File: contracts/interfaces/IERC20.sol pragma solidity >=0.5.0; interface IERC20 { event Approval(address indexed owner, address indexed spender, uint value); event Transfer(address indexed from, address indexed to, uint value); function name() external view returns (string memory); function symbol() external view returns (string memory); function decimals() external view returns (uint8); function totalSupply() external view returns (uint); function balanceOf(address owner) external view returns (uint); function allowance(address owner, address spender) external view returns (uint); function approve(address spender, uint value) external returns (bool); function transfer(address to, uint value) external returns (bool); function transferFrom(address from, address to, uint value) external returns (bool); } // File: contracts/interfaces/IUniswapV2Factory.sol pragma solidity >=0.5.0; interface IUniswapV2Factory { event PairCreated(address indexed token0, address indexed token1, address pair, uint); function feeTo() external view returns (address); function feeToSetter() external view returns (address); function getPair(address tokenA, address tokenB) external view returns (address pair); function allPairs(uint) external view returns (address pair); function allPairsLength() external view returns (uint); function createPair(address tokenA, address tokenB) external returns (address pair); function setFeeTo(address) external; function setFeeToSetter(address) external; } // File: contracts/interfaces/IUniswapV2Callee.sol pragma solidity >=0.5.0; interface IUniswapV2Callee { function uniswapV2Call(address sender, uint amount0, uint amount1, bytes calldata data) external; } // File: contracts/UniswapV2Pair.sol pragma solidity =0.5.16; contract UniswapV2Pair is IUniswapV2Pair, UniswapV2ERC20 { using SafeMath for uint; using UQ112x112 for uint224; uint public constant MINIMUM_LIQUIDITY = 10*3; bytes4 private constant SELECTOR = bytes4(keccak256(bytes('transfer(address,uint256)'))); address public factory; address public token0; address public token1; uint112 private reserve0; // uses single storage slot, accessible via getReserves uint112 private reserve1; // uses single storage slot, accessible via getReserves uint32 private blockTimestampLast; // uses single storage slot, accessible via getReserves uint public price0CumulativeLast; uint public price1CumulativeLast; uint public kLast; // reserve0 reserve1, as of immediately after the most recent liquidity event uint private unlocked = 1; modifier lock() { require(unlocked == 1, 'UniswapV2: LOCKED'); unlocked = 0; _; unlocked = 1; } function getReserves() public view returns (uint112 _reserve0, uint112 _reserve1, uint32 _blockTimestampLast) { _reserve0 = reserve0; _reserve1 = reserve1; _blockTimestampLast = blockTimestampLast; } function _safeTransfer(address token, address to, uint value) private { (bool success, bytes memory data) = token.call(abi.encodeWithSelector(SELECTOR, to, value)); require(success && (data.length == 0 \|\| abi.decode(data, (bool))), 'UniswapV2: TRANSFER_FAILED'); } event Mint(address indexed sender, uint amount0, uint amount1); event Burn(address indexed sender, uint amount0, uint amount1, address indexed to); event Swap( address indexed sender, uint amount0In, uint amount1In, uint amount0Out, uint amount1Out, address indexed to ); event Sync(uint112 reserve0, uint112 reserve1); constructor() public { factory = msg.sender; } // called once by the factory at time of deployment function initialize(address _token0, address _token1) external { require(msg.sender == factory, 'UniswapV2: FORBIDDEN'); // sufficient check token0 = _token0; token1 = _token1; } // update reserves and, on the first call per block, price accumulators function _update(uint balance0, uint balance1, uint112 _reserve0, uint112 _reserve1) private { require(balance0 <= uint112(-1) && balance1 <= uint112(-1), 'UniswapV2: OVERFLOW'); uint32 blockTimestamp = uint32(block.timestamp % 2*32); uint32 timeElapsed = blockTimestamp - blockTimestampLast; // overflow is desired if (timeElapsed > 0 && _reserve0 != 0 && _reserve1 != 0) { // never overflows, and + overflow is desired price0CumulativeLast += uint(UQ112x112.encode(_reserve1).uqdiv(_reserve0)) * timeElapsed; price1CumulativeLast += uint(UQ112x112.encode(_reserve0).uqdiv(_reserve1)) * timeElapsed; } reserve0 = uint112(balance0); reserve1 = uint112(balance1); blockTimestampLast = blockTimestamp; emit Sync(reserve0, reserve1); } // if fee is on, mint liquidity equivalent to 1/6th of the growth in sqrt(k) function _mintFee(uint112 _reserve0, uint112 _reserve1) private returns (bool feeOn) { address feeTo = IUniswapV2Factory(factory).feeTo(); feeOn = feeTo != address(0); uint _kLast = kLast; // gas savings if (feeOn) { if (_kLast != 0) { uint rootK = Math.sqrt(uint(_reserve0).mul(_reserve1)); uint rootKLast = Math.sqrt(_kLast); if (rootK > rootKLast) { uint numerator = totalSupply.mul(rootK.sub(rootKLast)); uint denominator = rootK.mul(5).add(rootKLast); uint liquidity = numerator / denominator; if (liquidity > 0) _mint(feeTo, liquidity); } } } else if (_kLast != 0) { kLast = 0; } } // this low-level function should be called from a contract which performs important safety checks function mint(address to) external lock returns (uint liquidity) { (uint112 _reserve0, uint112 _reserve1,) = getReserves(); // gas savings uint balance0 = IERC20(token0).balanceOf(address(this)); uint balance1 = IERC20(token1).balanceOf(address(this)); uint amount0 = balance0.sub(_reserve0); uint amount1 = balance1.sub(_reserve1); bool feeOn = _mintFee(_reserve0, _reserve1); uint _totalSupply = totalSupply; // gas savings, must be defined here since totalSupply can update in _mintFee if (_totalSupply == 0) { liquidity = Math.sqrt(amount0.mul(amount1)).sub(MINIMUM_LIQUIDITY); _mint(address(0), MINIMUM_LIQUIDITY); // permanently lock the first MINIMUM_LIQUIDITY tokens } else { liquidity = Math.min(amount0.mul(_totalSupply) / _reserve0, amount1.mul(_totalSupply) / _reserve1); } require(liquidity > 0, 'UniswapV2: INSUFFICIENT_LIQUIDITY_MINTED'); _mint(to, liquidity); _update(balance0, balance1, _reserve0, _reserve1); if (feeOn) kLast = uint(reserve0).mul(reserve1); // reserve0 and reserve1 are up-to-date emit Mint(msg.sender, amount0, amount1); } // this low-level function should be called from a contract which performs important safety checks function burn(address to) external lock returns (uint amount0, uint amount1) { (uint112 _reserve0, uint112 _reserve1,) = getReserves(); // gas savings address _token0 = token0; // gas savings address _token1 = token1; // gas savings uint balance0 = IERC20(_token0).balanceOf(address(this)); uint balance1 = IERC20(_token1).balanceOf(address(this)); uint liquidity = balanceOf[address(this)]; bool feeOn = _mintFee(_reserve0, _reserve1); uint _totalSupply = totalSupply; // gas savings, must be defined here since totalSupply can update in _mintFee amount0 = liquidity.mul(balance0) / _totalSupply; // using balances ensures pro-rata distribution amount1 = liquidity.mul(balance1) / _totalSupply; // using balances ensures pro-rata distribution require(amount0 > 0 && amount1 > 0, 'UniswapV2: INSUFFICIENT_LIQUIDITY_BURNED'); _burn(address(this), liquidity); _safeTransfer(_token0, to, amount0); _safeTransfer(_token1, to, amount1); balance0 = IERC20(_token0).balanceOf(address(this)); balance1 = IERC20(_token1).balanceOf(address(this)); _update(balance0, balance1, _reserve0, _reserve1); if (feeOn) kLast = uint(reserve0).mul(reserve1); // reserve0 and reserve1 are up-to-date emit Burn(msg.sender, amount0, amount1, to); } // this low-level function should be called from a contract which performs important safety checks function swap(uint amount0Out, uint amount1Out, address to, bytes calldata data) external lock { require(amount0Out > 0 \|\| amount1Out > 0, 'UniswapV2: INSUFFICIENT_OUTPUT_AMOUNT'); (uint112 _reserve0, uint112 _reserve1,) = getReserves(); // gas savings require(amount0Out < _reserve0 && amount1Out < _reserve1, 'UniswapV2: INSUFFICIENT_LIQUIDITY'); uint balance0; uint balance1; { // scope for _token{0,1}, avoids stack too deep errors address _token0 = token0; address _token1 = token1; require(to != _token0 && to != _token1, 'UniswapV2: INVALID_TO'); if (amount0Out > 0) _safeTransfer(_token0, to, amount0Out); // optimistically transfer tokens if (amount1Out > 0) _safeTransfer(_token1, to, amount1Out); // optimistically transfer tokens if (data.length > 0) IUniswapV2Callee(to).uniswapV2Call(msg.sender, amount0Out, amount1Out, data); balance0 = IERC20(_token0).balanceOf(address(this)); balance1 = IERC20(_token1).balanceOf(address(this)); } uint amount0In = balance0 > _reserve0 - amount0Out ? balance0 - (_reserve0 - amount0Out) : 0; uint amount1In = balance1 > _reserve1 - amount1Out ? balance1 - (_reserve1 - amount1Out) : 0; require(amount0In > 0 \|\| amount1In > 0, 'UniswapV2: INSUFFICIENT_INPUT_AMOUNT'); { // scope for reserve{0,1}Adjusted, avoids stack too deep errors uint balance0Adjusted = balance0.mul(1000).sub(amount0In.mul(3)); uint balance1Adjusted = balance1.mul(1000).sub(amount1In.mul(3)); require(balance0Adjusted.mul(balance1Adjusted) >= uint(_reserve0).mul(_reserve1).mul(1000**2), 'UniswapV2: K'); } _update(balance0, balance1, _reserve0, _reserve1); emit Swap(msg.sender, amount0In, amount1In, amount0Out, amount1Out, to); } // force balances to match reserves function skim(address to) external lock { address _token0 = token0; // gas savings address _token1 = token1; // gas savings _safeTransfer(_token0, to, IERC20(_token0).balanceOf(address(this)).sub(reserve0)); _safeTransfer(_token1, to, IERC20(_token1).balanceOf(address(this)).sub(reserve1)); } // force reserves to match balances function sync() external lock { _update(IERC20(token0).balanceOf(address(this)), IERC20(token1).balanceOf(address(this)), reserve0, reserve1); } }
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"language": "Solidity", "sources": { "src/staking/DyadXP.sol": { "content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.20;\n\nimport {IERC20} from \"forge-std/interfaces/IERC20.sol\";\nimport {ERC20} from \"solmate/tokens/ERC20.sol\";\nimport {IERC721Enumerable} from \"forge-std/interfaces/IERC721.sol\";\n\nimport {IVaultManager} from \"../interfaces/IVaultManager.sol\";\nimport {IVault} from \"../interfaces/IVault.sol\";\nimport {FixedPointMathLib} from \"solmate/utils/FixedPointMathLib.sol\";\nimport {OwnableUpgradeable} from \"@openzeppelin/contracts-upgradeable/access/OwnableUpgradeable.sol\";\nimport {UUPSUpgradeable} from \"@openzeppelin/contracts-upgradeable/proxy/utils/UUPSUpgradeable.sol\";\n\nstruct NoteXPData {\n // uint40 supports 34,000 years before overflow\n uint40 lastAction;\n // uint96 max is 79b at 18 decimals which is more than total kero supply\n uint96 keroseneDeposited;\n // uint120 supports deposit of entire kerosene supply by a single note for ~42 years before overflow\n uint120 lastXP;\n}\n\ncontract DyadXP is IERC20, UUPSUpgradeable, OwnableUpgradeable {\n using FixedPointMathLib for uint256;\n\n error TransferNotAllowed();\n error ApproveNotAllowed();\n error NotVaultManager();\n\n IVaultManager public immutable VAULT_MANAGER;\n IERC721Enumerable public immutable DNFT;\n IVault public immutable KEROSENE_VAULT;\n ERC20 public immutable KEROSENE;\n\n string public constant name = \"Dyad XP\";\n string public constant symbol = \"dXP\";\n uint8 public constant decimals = 18;\n\n uint40 globalLastUpdate;\n uint192 globalLastXP;\n uint256 totalKeroseneInVault;\n\n mapping(uint256 => NoteXPData) public noteData;\n\n constructor(address vaultManager, address keroseneVault, address dnft) {\n VAULT_MANAGER = IVaultManager(vaultManager);\n DNFT = IERC721Enumerable(dnft);\n KEROSENE_VAULT = IVault(keroseneVault);\n KEROSENE = ERC20(KEROSENE_VAULT.asset());\n _disableInitializers();\n }\n\n function initialize(address owner) public initializer {\n __Ownable_init(owner);\n\n globalLastUpdate = uint40(block.timestamp);\n uint256 dnftSupply = DNFT.totalSupply();\n\n for (uint256 i = 0; i < dnftSupply; ++i) {\n uint256 depositedKero = KEROSENE_VAULT.id2asset(i);\n if (depositedKero == 0) {\n continue;\n }\n totalKeroseneInVault += depositedKero;\n noteData[i] = NoteXPData({\n lastAction: uint40(block.timestamp),\n keroseneDeposited: uint96(depositedKero),\n lastXP: 0\n });\n }\n }\n\n /// @notice Returns the amount of tokens in existence.\n function totalSupply() public view returns (uint256) {\n uint256 timeElapsed = block.timestamp - globalLastUpdate;\n return uint256(globalLastXP + timeElapsed * totalKeroseneInVault);\n }\n\n /// @notice Returns the amount of tokens owned by `account`.\n function balanceOf(address account) external view returns (uint256) {\n uint256 totalXP;\n uint256 noteBalance = DNFT.balanceOf(account);\n\n for (uint256 i = 0; i < noteBalance; i++) {\n uint256 noteId = DNFT.tokenOfOwnerByIndex(account, i);\n NoteXPData memory lastUpdate = noteData[noteId];\n totalXP += _computeXP(lastUpdate);\n }\n\n return totalXP;\n }\n\n function balanceOfNote(uint256 noteId) external view returns (uint256) {\n NoteXPData memory lastUpdate = noteData[noteId];\n return _computeXP(lastUpdate);\n }\n\n /// @notice Moves `amount` tokens from the caller's account to `to`.\n function transfer(address, uint256) external pure returns (bool) {\n revert TransferNotAllowed();\n }\n\n /// @notice Returns the remaining number of tokens that `spender` is allowed\n /// to spend on behalf of `owner`\n function allowance(address, address) external pure returns (uint256) {\n return 0;\n }\n\n /// @notice Sets `amount` as the allowance of `spender` over the caller's tokens.\n /// @dev Be aware of front-running risks: https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729\n function approve(address, uint256) external pure returns (bool) {\n revert ApproveNotAllowed();\n }\n\n /// @notice Moves `amount` tokens from `from` to `to` using the allowance mechanism.\n /// `amount` is then deducted from the caller's allowance.\n function transferFrom(\n address,\n address,\n uint256\n ) external pure returns (bool) {\n revert TransferNotAllowed();\n }\n\n function afterKeroseneDeposited(\n uint256 noteId,\n uint256 amountDeposited\n ) external {\n if (msg.sender != address(VAULT_MANAGER)) {\n revert NotVaultManager();\n }\n\n NoteXPData memory lastUpdate = noteData[noteId];\n\n uint256 newXP = _computeXP(lastUpdate);\n\n totalKeroseneInVault += amountDeposited;\n\n noteData[noteId] = NoteXPData({\n lastAction: uint40(block.timestamp),\n keroseneDeposited: uint96(KEROSENE_VAULT.id2asset(noteId)),\n lastXP: uint120(newXP)\n });\n\n globalLastXP += uint192(\n (block.timestamp - globalLastUpdate) * (totalKeroseneInVault - amountDeposited)\n );\n globalLastUpdate = uint40(block.timestamp);\n\n emit Transfer(\n address(0),\n address(DNFT.ownerOf(noteId)),\n newXP - lastUpdate.lastXP\n );\n }\n\n function beforeKeroseneWithdrawn(\n uint256 noteId,\n uint256 amountWithdrawn\n ) external {\n if (msg.sender != address(VAULT_MANAGER)) {\n revert NotVaultManager();\n }\n\n NoteXPData memory lastUpdate = noteData[noteId];\n uint256 xp = _computeXP(lastUpdate);\n uint256 slashedXP = xp.mulDivUp(\n amountWithdrawn,\n lastUpdate.keroseneDeposited\n );\n if (slashedXP > xp) {\n slashedXP = xp;\n }\n\n noteData[noteId] = NoteXPData({\n lastAction: uint40(block.timestamp),\n keroseneDeposited: uint96(\n lastUpdate.keroseneDeposited - amountWithdrawn\n ),\n lastXP: uint120(xp - slashedXP)\n });\n\n globalLastXP = uint192(\n globalLastXP +\n (block.timestamp - globalLastUpdate) \n totalKeroseneInVault -\n slashedXP\n );\n globalLastUpdate = uint40(block.timestamp);\n totalKeroseneInVault -= amountWithdrawn;\n\n emit Transfer(\n address(0),\n address(DNFT.ownerOf(noteId)),\n xp - lastUpdate.lastXP\n );\n emit Transfer(DNFT.ownerOf(noteId), address(0), slashedXP);\n }\n\n function _authorizeUpgrade(\n address\n ) internal view override onlyOwner {}\n\n function _computeXP(\n NoteXPData memory lastUpdate\n ) internal view returns (uint256) {\n uint256 elapsed = block.timestamp - lastUpdate.lastAction;\n uint256 deposited = lastUpdate.keroseneDeposited;\n\n return uint256(lastUpdate.lastXP + elapsed deposited);\n }\n}\n" }, "lib/forge-std/src/interfaces/IERC20.sol": { "content": "// SPDX-License-Identifier: MIT\npragma solidity >=0.6.2;\n\n/// @dev Interface of the ERC20 standard as defined in the EIP.\n/// @dev This includes the optional name, symbol, and decimals metadata.\ninterface IERC20 {\n /// @dev Emitted when `value` tokens are moved from one account (`from`) to another (`to`).\n event Transfer(address indexed from, address indexed to, uint256 value);\n\n /// @dev Emitted when the allowance of a `spender` for an `owner` is set, where `value`\n /// is the new allowance.\n event Approval(address indexed owner, address indexed spender, uint256 value);\n\n /// @notice Returns the amount of tokens in existence.\n function totalSupply() external view returns (uint256);\n\n /// @notice Returns the amount of tokens owned by `account`.\n function balanceOf(address account) external view returns (uint256);\n\n /// @notice Moves `amount` tokens from the caller's account to `to`.\n function transfer(address to, uint256 amount) external returns (bool);\n\n /// @notice Returns the remaining number of tokens that `spender` is allowed\n /// to spend on behalf of `owner`\n function allowance(address owner, address spender) external view returns (uint256);\n\n /// @notice Sets `amount` as the allowance of `spender` over the caller's tokens.\n /// @dev Be aware of front-running risks: https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729\n function approve(address spender, uint256 amount) external returns (bool);\n\n /// @notice Moves `amount` tokens from `from` to `to` using the allowance mechanism.\n /// `amount` is then deducted from the caller's allowance.\n function transferFrom(address from, address to, uint256 amount) external returns (bool);\n\n /// @notice Returns the name of the token.\n function name() external view returns (string memory);\n\n /// @notice Returns the symbol of the token.\n function symbol() external view returns (string memory);\n\n /// @notice Returns the decimals places of the token.\n function decimals() external view returns (uint8);\n}\n" }, "lib/solmate/src/tokens/ERC20.sol": { "content": "// SPDX-License-Identifier: AGPL-3.0-only\npragma solidity >=0.8.0;\n\n/// @notice Modern and gas efficient ERC20 + EIP-2612 implementation.\n/// @author Solmate (https://github.com/transmissions11/solmate/blob/main/src/tokens/ERC20.sol)\n/// @author Modified from Uniswap (https://github.com/Uniswap/uniswap-v2-core/blob/master/contracts/UniswapV2ERC20.sol)\n/// @dev Do not manually set balances without updating totalSupply, as the sum of all user balances must not exceed it.\nabstract contract ERC20 {\n ///////////////////////////////////////////////////////////////\n EVENTS\n ///////////////////////////////////////////////////////////////\n\n event Transfer(address indexed from, address indexed to, uint256 amount);\n\n event Approval(address indexed owner, address indexed spender, uint256 amount);\n\n ///////////////////////////////////////////////////////////////\n METADATA STORAGE\n ///////////////////////////////////////////////////////////////\n\n string public name;\n\n string public symbol;\n\n uint8 public immutable decimals;\n\n ///////////////////////////////////////////////////////////////\n ERC20 STORAGE\n ///////////////////////////////////////////////////////////////\n\n uint256 public totalSupply;\n\n mapping(address => uint256) public balanceOf;\n\n mapping(address => mapping(address => uint256)) public allowance;\n\n ///////////////////////////////////////////////////////////////\n EIP-2612 STORAGE\n ///////////////////////////////////////////////////////////////\n\n uint256 internal immutable INITIAL_CHAIN_ID;\n\n bytes32 internal immutable INITIAL_DOMAIN_SEPARATOR;\n\n mapping(address => uint256) public nonces;\n\n ///////////////////////////////////////////////////////////////\n CONSTRUCTOR\n ///////////////////////////////////////////////////////////////\n\n constructor(\n string memory _name,\n string memory _symbol,\n uint8 _decimals\n ) {\n name = _name;\n symbol = _symbol;\n decimals = _decimals;\n\n INITIAL_CHAIN_ID = block.chainid;\n INITIAL_DOMAIN_SEPARATOR = computeDomainSeparator();\n }\n\n ///////////////////////////////////////////////////////////////\n ERC20 LOGIC\n ///////////////////////////////////////////////////////////////\n\n function approve(address spender, uint256 amount) public virtual returns (bool) {\n allowance[msg.sender][spender] = amount;\n\n emit Approval(msg.sender, spender, amount);\n\n return true;\n }\n\n function transfer(address to, uint256 amount) public virtual returns (bool) {\n balanceOf[msg.sender] -= amount;\n\n // Cannot overflow because the sum of all user\n // balances can't exceed the max uint256 value.\n unchecked {\n balanceOf[to] += amount;\n }\n\n emit Transfer(msg.sender, to, amount);\n\n return true;\n }\n\n function transferFrom(\n address from,\n address to,\n uint256 amount\n ) public virtual returns (bool) {\n uint256 allowed = allowance[from][msg.sender]; // Saves gas for limited approvals.\n\n if (allowed != type(uint256).max) allowance[from][msg.sender] = allowed - amount;\n\n balanceOf[from] -= amount;\n\n // Cannot overflow because the sum of all user\n // balances can't exceed the max uint256 value.\n unchecked {\n balanceOf[to] += amount;\n }\n\n emit Transfer(from, to, amount);\n\n return true;\n }\n\n ///////////////////////////////////////////////////////////////\n EIP-2612 LOGIC\n ///////////////////////////////////////////////////////////////\n\n function permit(\n address owner,\n address spender,\n uint256 value,\n uint256 deadline,\n uint8 v,\n bytes32 r,\n bytes32 s\n ) public virtual {\n require(deadline >= block.timestamp, \"PERMIT_DEADLINE_EXPIRED\");\n\n // Unchecked because the only math done is incrementing\n // the owner's nonce which cannot realistically overflow.\n unchecked {\n address recoveredAddress = ecrecover(\n keccak256(\n abi.encodePacked(\n \"\\x19\\x01\",\n DOMAIN_SEPARATOR(),\n keccak256(\n abi.encode(\n keccak256(\n \"Permit(address owner,address spender,uint256 value,uint256 nonce,uint256 deadline)\"\n ),\n owner,\n spender,\n value,\n nonces[owner]++,\n deadline\n )\n )\n )\n ),\n v,\n r,\n s\n );\n\n require(recoveredAddress != address(0) && recoveredAddress == owner, \"INVALID_SIGNER\");\n\n allowance[recoveredAddress][spender] = value;\n }\n\n emit Approval(owner, spender, value);\n }\n\n function DOMAIN_SEPARATOR() public view virtual returns (bytes32) {\n return block.chainid == INITIAL_CHAIN_ID ? INITIAL_DOMAIN_SEPARATOR : computeDomainSeparator();\n }\n\n function computeDomainSeparator() internal view virtual returns (bytes32) {\n return\n keccak256(\n abi.encode(\n keccak256(\"EIP712Domain(string name,string version,uint256 chainId,address verifyingContract)\"),\n keccak256(bytes(name)),\n keccak256(\"1\"),\n block.chainid,\n address(this)\n )\n );\n }\n\n ///////////////////////////////////////////////////////////////\n INTERNAL MINT/BURN LOGIC\n ///////////////////////////////////////////////////////////////\n\n function _mint(address to, uint256 amount) internal virtual {\n totalSupply += amount;\n\n // Cannot overflow because the sum of all user\n // balances can't exceed the max uint256 value.\n unchecked {\n balanceOf[to] += amount;\n }\n\n emit Transfer(address(0), to, amount);\n }\n\n function _burn(address from, uint256 amount) internal virtual {\n balanceOf[from] -= amount;\n\n // Cannot underflow because a user's balance\n // will never be larger than the total supply.\n unchecked {\n totalSupply -= amount;\n }\n\n emit Transfer(from, address(0), amount);\n }\n}\n" }, "lib/forge-std/src/interfaces/IERC721.sol": { "content": "// SPDX-License-Identifier: MIT\npragma solidity >=0.6.2;\n\nimport \"./IERC165.sol\";\n\n/// @title ERC-721 Non-Fungible Token Standard\n/// @dev See https://eips.ethereum.org/EIPS/eip-721\n/// Note: the ERC-165 identifier for this interface is 0x80ac58cd.\ninterface IERC721 is IERC165 {\n /// @dev This emits when ownership of any NFT changes by any mechanism.\n /// This event emits when NFTs are created (`from` == 0) and destroyed\n /// (`to` == 0). Exception: during contract creation, any number of NFTs\n /// may be created and assigned without emitting Transfer. At the time of\n /// any transfer, the approved address for that NFT (if any) is reset to none.\n event Transfer(address indexed _from, address indexed _to, uint256 indexed _tokenId);\n\n /// @dev This emits when the approved address for an NFT is changed or\n /// reaffirmed. The zero address indicates there is no approved address.\n /// When a Transfer event emits, this also indicates that the approved\n /// address for that NFT (if any) is reset to none.\n event Approval(address indexed _owner, address indexed _approved, uint256 indexed _tokenId);\n\n /// @dev This emits when an operator is enabled or disabled for an owner.\n /// The operator can manage all NFTs of the owner.\n event ApprovalForAll(address indexed _owner, address indexed _operator, bool _approved);\n\n /// @notice Count all NFTs assigned to an owner\n /// @dev NFTs assigned to the zero address are considered invalid, and this\n /// function throws for queries about the zero address.\n /// @param _owner An address for whom to query the balance\n /// @return The number of NFTs owned by `_owner`, possibly zero\n function balanceOf(address _owner) external view returns (uint256);\n\n /// @notice Find the owner of an NFT\n /// @dev NFTs assigned to zero address are considered invalid, and queries\n /// about them do throw.\n /// @param _tokenId The identifier for an NFT\n /// @return The address of the owner of the NFT\n function ownerOf(uint256 _tokenId) external view returns (address);\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// operator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT. When transfer is complete, this function\n /// checks if `_to` is a smart contract (code size > 0). If so, it calls\n /// `onERC721Received` on `_to` and throws if the return value is not\n /// `bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"))`.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n /// @param data Additional data with no specified format, sent in call to `_to`\n function safeTransferFrom(address _from, address _to, uint256 _tokenId, bytes calldata data) external payable;\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev This works identically to the other function with an extra data parameter,\n /// except this function just sets data to \"\".\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function safeTransferFrom(address _from, address _to, uint256 _tokenId) external payable;\n\n /// @notice Transfer ownership of an NFT -- THE CALLER IS RESPONSIBLE\n /// TO CONFIRM THAT `_to` IS CAPABLE OF RECEIVING NFTS OR ELSE\n /// THEY MAY BE PERMANENTLY LOST\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// operator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function transferFrom(address _from, address _to, uint256 _tokenId) external payable;\n\n /// @notice Change or reaffirm the approved address for an NFT\n /// @dev The zero address indicates there is no approved address.\n /// Throws unless `msg.sender` is the current NFT owner, or an authorized\n /// operator of the current owner.\n /// @param _approved The new approved NFT controller\n /// @param _tokenId The NFT to approve\n function approve(address _approved, uint256 _tokenId) external payable;\n\n /// @notice Enable or disable approval for a third party (\"operator\") to manage\n /// all of `msg.sender`'s assets\n /// @dev Emits the ApprovalForAll event. The contract MUST allow\n /// multiple operators per owner.\n /// @param _operator Address to add to the set of authorized operators\n /// @param _approved True if the operator is approved, false to revoke approval\n function setApprovalForAll(address _operator, bool _approved) external;\n\n /// @notice Get the approved address for a single NFT\n /// @dev Throws if `_tokenId` is not a valid NFT.\n /// @param _tokenId The NFT to find the approved address for\n /// @return The approved address for this NFT, or the zero address if there is none\n function getApproved(uint256 _tokenId) external view returns (address);\n\n /// @notice Query if an address is an authorized operator for another address\n /// @param _owner The address that owns the NFTs\n /// @param _operator The address that acts on behalf of the owner\n /// @return True if `_operator` is an approved operator for `_owner`, false otherwise\n function isApprovedForAll(address _owner, address _operator) external view returns (bool);\n}\n\n/// @dev Note: the ERC-165 identifier for this interface is 0x150b7a02.\ninterface IERC721TokenReceiver {\n /// @notice Handle the receipt of an NFT\n /// @dev The ERC721 smart contract calls this function on the recipient\n /// after a `transfer`. This function MAY throw to revert and reject the\n /// transfer. Return of other than the magic value MUST result in the\n /// transaction being reverted.\n /// Note: the contract address is always the message sender.\n /// @param _operator The address which called `safeTransferFrom` function\n /// @param _from The address which previously owned the token\n /// @param _tokenId The NFT identifier which is being transferred\n /// @param _data Additional data with no specified format\n /// @return `bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"))`\n /// unless throwing\n function onERC721Received(address _operator, address _from, uint256 _tokenId, bytes calldata _data)\n external\n returns (bytes4);\n}\n\n/// @title ERC-721 Non-Fungible Token Standard, optional metadata extension\n/// @dev See https://eips.ethereum.org/EIPS/eip-721\n/// Note: the ERC-165 identifier for this interface is 0x5b5e139f.\ninterface IERC721Metadata is IERC721 {\n /// @notice A descriptive name for a collection of NFTs in this contract\n function name() external view returns (string memory _name);\n\n /// @notice An abbreviated name for NFTs in this contract\n function symbol() external view returns (string memory _symbol);\n\n /// @notice A distinct Uniform Resource Identifier (URI) for a given asset.\n /// @dev Throws if `_tokenId` is not a valid NFT. URIs are defined in RFC\n /// 3986. The URI may point to a JSON file that conforms to the \"ERC721\n /// Metadata JSON Schema\".\n function tokenURI(uint256 _tokenId) external view returns (string memory);\n}\n\n/// @title ERC-721 Non-Fungible Token Standard, optional enumeration extension\n/// @dev See https://eips.ethereum.org/EIPS/eip-721\n/// Note: the ERC-165 identifier for this interface is 0x780e9d63.\ninterface IERC721Enumerable is IERC721 {\n /// @notice Count NFTs tracked by this contract\n /// @return A count of valid NFTs tracked by this contract, where each one of\n /// them has an assigned and queryable owner not equal to the zero address\n function totalSupply() external view returns (uint256);\n\n /// @notice Enumerate valid NFTs\n /// @dev Throws if `_index` >= `totalSupply()`.\n /// @param _index A counter less than `totalSupply()`\n /// @return The token identifier for the `_index`th NFT,\n /// (sort order not specified)\n function tokenByIndex(uint256 _index) external view returns (uint256);\n\n /// @notice Enumerate NFTs assigned to an owner\n /// @dev Throws if `_index` >= `balanceOf(_owner)` or if\n /// `_owner` is the zero address, representing invalid NFTs.\n /// @param _owner An address where we are interested in NFTs owned by them\n /// @param _index A counter less than `balanceOf(_owner)`\n /// @return The token identifier for the `_index`th NFT assigned to `_owner`,\n /// (sort order not specified)\n function tokenOfOwnerByIndex(address _owner, uint256 _index) external view returns (uint256);\n}\n" }, "src/interfaces/IVaultManager.sol": { "content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.20;\n\ninterface IVaultManager {\n event Added (uint indexed id, address indexed vault);\n event Removed (uint indexed id, address indexed vault);\n event MintDyad (uint indexed id, uint amount, address indexed to);\n event BurnDyad (uint indexed id, uint amount, address indexed from);\n event RedeemDyad(uint indexed id, address indexed vault, uint amount, address indexed to);\n event Liquidate (uint indexed id, address indexed from, uint indexed to);\n\n error NotOwner();\n error NotLicensed();\n error VaultNotLicensed();\n error TooManyVaults();\n error VaultAlreadyAdded();\n error VaultNotAdded();\n error VaultHasAssets();\n error NotDNftVault();\n error InvalidDNft();\n error CrTooLow();\n error CrTooHigh();\n error CanNotWithdrawInSameBlock();\n error NotEnoughExoCollat();\n error VaultNotKerosene();\n\n /*\n @notice Adds a vault to the dNFT position\n * @param id The ID of the dNFT for which the vault is being added.\n * @param vault The address of the vault contract to be added.\n /\n function add(uint id, address vault) external;\n\n /\n @notice Removes a vault from the dNFT position\n * @param id The ID of the dNFT for which the vault is being removed.\n * @param vault The address of the vault contract to be removed.\n /\n function remove(uint id, address vault) external;\n\n /\n @notice Allows a dNFT owner to deposit collateral into a vault\n * @param id The ID of the dNFT for which the deposit is being made.\n * @param vault The vault where the assets will be deposited.\n * @param amount The amount of assets to be deposited.\n /\n function deposit(uint id, address vault, uint amount) external;\n\n /\n @notice Allows a dNFT owner to withdraw collateral from a vault\n * @param id The ID of the dNFT for which the withdraw is being made.\n * @param vault The vault where the assets will be deposited.\n * @param amount The amount of assets to be deposited.\n * @param to The address where the assets will be sent.\n /\n function withdraw(uint id, address vault, uint amount, address to) external;\n\n /\n @notice Mint DYAD through a dNFT\n * @param id The ID of the dNFT for which the DYAD is being minted.\n * @param amount The amount of DYAD to be minted.\n * @param to The address where the DYAD will be sent.\n /\n function mintDyad(uint id, uint amount, address to) external;\n\n /\n @notice Burn DYAD through a dNFT\n * @param id The ID of the dNFT for which the DYAD is being burned.\n * @param amount The amount of DYAD to be burned.\n /\n function burnDyad(uint id, uint amount) external;\n\n /\n @notice Redeem DYAD through a dNFT\n * @param id The ID of the dNFT for which the DYAD is being redeemed.\n * @param vault Address of the vault through which the DYAD is being redeemed\n * for its underlying collateral.\n * @param amount The amount of DYAD to be redeemed.\n * @param to The address where the collateral will be sent.\n * @return The amount of collateral that was redeemed.\n /\n function redeemDyad(uint id, address vault, uint amount, address to) external returns (uint);\n\n /\n @notice Liquidate a dNFT\n * @param id The ID of the dNFT to be liquidated.\n * @param to The address where the collateral will be sent.\n /\n // function liquidate(uint id, uint to, uint amount) external;\n}\n" }, "src/interfaces/IVault.sol": { "content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.20;\n\nimport {IAggregatorV3} from \"../interfaces/IAggregatorV3.sol\";\n\nimport {ERC20} from \"@solmate/src/tokens/ERC20.sol\";\n\ninterface IVault {\n event Withdraw (uint indexed from, address indexed to, uint amount);\n event Deposit (uint indexed id, uint amount);\n event Move (uint indexed from, uint indexed to, uint amount);\n\n error StaleData ();\n error IncompleteRound ();\n error NotVaultManager ();\n\n // A vault must implement these functions\n function id2asset (uint) external view returns (uint);\n function deposit (uint id, uint amount) external;\n function move (uint from, uint to, uint amount) external;\n function withdraw (uint id, address to, uint amount) external;\n function getUsdValue(uint id) external view returns (uint);\n function asset () external view returns (ERC20);\n function oracle () external view returns (IAggregatorV3);\n function assetPrice () external view returns (uint);\n}\n" }, "lib/solmate/src/utils/FixedPointMathLib.sol": { "content": "// SPDX-License-Identifier: AGPL-3.0-only\npragma solidity >=0.8.0;\n\n/// @notice Arithmetic library with operations for fixed-point numbers.\n/// @author Solmate (https://github.com/transmissions11/solmate/blob/main/src/utils/FixedPointMathLib.sol)\n/// @author Inspired by USM (https://github.com/usmfum/USM/blob/master/contracts/WadMath.sol)\nlibrary FixedPointMathLib {\n ///////////////////////////////////////////////////////////////\n SIMPLIFIED FIXED POINT OPERATIONS\n ///////////////////////////////////////////////////////////////\n\n uint256 internal constant MAX_UINT256 = 2256 - 1;\n\n uint256 internal constant WAD = 1e18; // The scalar of ETH and most ERC20s.\n\n function mulWadDown(uint256 x, uint256 y) internal pure returns (uint256) {\n return mulDivDown(x, y, WAD); // Equivalent to (x y) / WAD rounded down.\n }\n\n function mulWadUp(uint256 x, uint256 y) internal pure returns (uint256) {\n return mulDivUp(x, y, WAD); // Equivalent to (x * y) / WAD rounded up.\n }\n\n function divWadDown(uint256 x, uint256 y) internal pure returns (uint256) {\n return mulDivDown(x, WAD, y); // Equivalent to (x * WAD) / y rounded down.\n }\n\n function divWadUp(uint256 x, uint256 y) internal pure returns (uint256) {\n return mulDivUp(x, WAD, y); // Equivalent to (x * WAD) / y rounded up.\n }\n\n ///////////////////////////////////////////////////////////////\n LOW LEVEL FIXED POINT OPERATIONS\n ///////////////////////////////////////////////////////////////\n\n function mulDivDown(\n uint256 x,\n uint256 y,\n uint256 denominator\n ) internal pure returns (uint256 z) {\n /// @solidity memory-safe-assembly\n assembly {\n // Equivalent to require(denominator != 0 && (y == 0 \|\| x <= type(uint256).max / y))\n if iszero(mul(denominator, iszero(mul(y, gt(x, div(MAX_UINT256, y)))))) {\n revert(0, 0)\n }\n\n // Divide x * y by the denominator.\n z := div(mul(x, y), denominator)\n }\n }\n\n function mulDivUp(\n uint256 x,\n uint256 y,\n uint256 denominator\n ) internal pure returns (uint256 z) {\n /// @solidity memory-safe-assembly\n assembly {\n // Equivalent to require(denominator != 0 && (y == 0 \|\| x <= type(uint256).max / y))\n if iszero(mul(denominator, iszero(mul(y, gt(x, div(MAX_UINT256, y)))))) {\n revert(0, 0)\n }\n\n // If x * y modulo the denominator is strictly greater than 0,\n // 1 is added to round up the division of x * y by the denominator.\n z := add(gt(mod(mul(x, y), denominator), 0), div(mul(x, y), denominator))\n }\n }\n\n function rpow(\n uint256 x,\n uint256 n,\n uint256 scalar\n ) internal pure returns (uint256 z) {\n /// @solidity memory-safe-assembly\n assembly {\n switch x\n case 0 {\n switch n\n case 0 {\n // 0 0 = 1\n z := scalar\n }\n default {\n // 0 n = 0\n z := 0\n }\n }\n default {\n switch mod(n, 2)\n case 0 {\n // If n is even, store scalar in z for now.\n z := scalar\n }\n default {\n // If n is odd, store x in z for now.\n z := x\n }\n\n // Shifting right by 1 is like dividing by 2.\n let half := shr(1, scalar)\n\n for {\n // Shift n right by 1 before looping to halve it.\n n := shr(1, n)\n } n {\n // Shift n right by 1 each iteration to halve it.\n n := shr(1, n)\n } {\n // Revert immediately if x ** 2 would overflow.\n // Equivalent to iszero(eq(div(xx, x), x)) here.\n if shr(128, x) {\n revert(0, 0)\n }\n\n // Store x squared.\n let xx := mul(x, x)\n\n // Round to the nearest number.\n let xxRound := add(xx, half)\n\n // Revert if xx + half overflowed.\n if lt(xxRound, xx) {\n revert(0, 0)\n }\n\n // Set x to scaled xxRound.\n x := div(xxRound, scalar)\n\n // If n is even:\n if mod(n, 2) {\n // Compute z * x.\n let zx := mul(z, x)\n\n // If z * x overflowed:\n if iszero(eq(div(zx, x), z)) {\n // Revert if x is non-zero.\n if iszero(iszero(x)) {\n revert(0, 0)\n }\n }\n\n // Round to the nearest number.\n let zxRound := add(zx, half)\n\n // Revert if zx + half overflowed.\n if lt(zxRound, zx) {\n revert(0, 0)\n }\n\n // Return properly scaled zxRound.\n z := div(zxRound, scalar)\n }\n }\n }\n }\n }\n\n ///////////////////////////////////////////////////////////////\n GENERAL NUMBER UTILITIES\n ///////////////////////////////////////////////////////////////\n\n function sqrt(uint256 x) internal pure returns (uint256 z) {\n /// @solidity memory-safe-assembly\n assembly {\n let y := x // We start y at x, which will help us make our initial estimate.\n\n z := 181 // The \"correct\" value is 1, but this saves a multiplication later.\n\n // This segment is to get a reasonable initial estimate for the Babylonian method. With a bad\n // start, the correct # of bits increases ~linearly each iteration instead of ~quadratically.\n\n // We check y >= 2^(k + 8) but shift right by k bits\n // each branch to ensure that if x >= 256, then y >= 256.\n if iszero(lt(y, 0x10000000000000000000000000000000000)) {\n y := shr(128, y)\n z := shl(64, z)\n }\n if iszero(lt(y, 0x1000000000000000000)) {\n y := shr(64, y)\n z := shl(32, z)\n }\n if iszero(lt(y, 0x10000000000)) {\n y := shr(32, y)\n z := shl(16, z)\n }\n if iszero(lt(y, 0x1000000)) {\n y := shr(16, y)\n z := shl(8, z)\n }\n\n // Goal was to get zzy within a small factor of x. More iterations could\n // get y in a tighter range. Currently, we will have y in [256, 2562^16).\n // We ensured y >= 256 so that the relative difference between y and y+1 is small.\n // That's not possible if x < 256 but we can just verify those cases exhaustively.\n\n // Now, zzy <= x < zz(y+1), and y <= 2^(16+8), and either y >= 256, or x < 256.\n // Correctness can be checked exhaustively for x < 256, so we assume y >= 256.\n // Then zsqrt(y) is within sqrt(257)/sqrt(256) of sqrt(x), or about 20bps.\n\n // For s in the range [1/256, 256], the estimate f(s) = (181/1024) * (s+1) is in the range\n // (1/2.84 * sqrt(s), 2.84 * sqrt(s)), with largest error when s = 1 and when s = 256 or 1/256.\n\n // Since y is in [256, 2562^16), let a = y/65536, so that a is in [1/256, 256). Then we can estimate\n // sqrt(y) using sqrt(65536) 181/1024 * (a + 1) = 181/4 * (y + 65536)/65536 = 181 * (y + 65536)/2^18.\n\n // There is no overflow risk here since y < 2^136 after the first branch above.\n z := shr(18, mul(z, add(y, 65536))) // A mul() is saved from starting z at 181.\n\n // Given the worst case multiplicative error of 2.84 above, 7 iterations should be enough.\n z := shr(1, add(z, div(x, z)))\n z := shr(1, add(z, div(x, z)))\n z := shr(1, add(z, div(x, z)))\n z := shr(1, add(z, div(x, z)))\n z := shr(1, add(z, div(x, z)))\n z := shr(1, add(z, div(x, z)))\n z := shr(1, add(z, div(x, z)))\n\n // If x+1 is a perfect square, the Babylonian method cycles between\n // floor(sqrt(x)) and ceil(sqrt(x)). This statement ensures we return floor.\n // See: https://en.wikipedia.org/wiki/Integer_square_root#Using_only_integer_division\n // Since the ceil is rare, we save gas on the assignment and repeat division in the rare case.\n // If you don't care whether the floor or ceil square root is returned, you can remove this statement.\n z := sub(z, lt(div(x, z), z))\n }\n }\n\n function unsafeMod(uint256 x, uint256 y) internal pure returns (uint256 z) {\n /// @solidity memory-safe-assembly\n assembly {\n // Mod x by y. Note this will return\n // 0 instead of reverting if y is zero.\n z := mod(x, y)\n }\n }\n\n function unsafeDiv(uint256 x, uint256 y) internal pure returns (uint256 r) {\n /// @solidity memory-safe-assembly\n assembly {\n // Divide x by y. Note this will return\n // 0 instead of reverting if y is zero.\n r := div(x, y)\n }\n }\n\n function unsafeDivUp(uint256 x, uint256 y) internal pure returns (uint256 z) {\n /// @solidity memory-safe-assembly\n assembly {\n // Add 1 to x * y if x % y > 0. Note this will\n // return 0 instead of reverting if y is zero.\n z := add(gt(mod(x, y), 0), div(x, y))\n }\n }\n}\n" }, "lib/openzeppelin-contracts-upgradeable/contracts/access/OwnableUpgradeable.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.0.0) (access/Ownable.sol)\n\npragma solidity ^0.8.20;\n\nimport {ContextUpgradeable} from \"../utils/ContextUpgradeable.sol\";\nimport {Initializable} from \"../proxy/utils/Initializable.sol\";\n\n/*\n @dev Contract module which provides a basic access control mechanism, where\n * there is an account (an owner) that can be granted exclusive access to\n * specific functions.\n \n The initial owner is set to the address provided by the deployer. This can\n * later be changed with {transferOwnership}.\n \n This module is used through inheritance. It will make available the modifier\n * `onlyOwner`, which can be applied to your functions to restrict their use to\n * the owner.\n /\nabstract contract OwnableUpgradeable is Initializable, ContextUpgradeable {\n /// @custom:storage-location erc7201:openzeppelin.storage.Ownable\n struct OwnableStorage {\n address _owner;\n }\n\n // keccak256(abi.encode(uint256(keccak256(\"openzeppelin.storage.Ownable\")) - 1)) & ~bytes32(uint256(0xff))\n bytes32 private constant OwnableStorageLocation = 0x9016d09d72d40fdae2fd8ceac6b6234c7706214fd39c1cd1e609a0528c199300;\n\n function _getOwnableStorage() private pure returns (OwnableStorage storage $) {\n assembly {\n $.slot := OwnableStorageLocation\n }\n }\n\n /\n @dev The caller account is not authorized to perform an operation.\n /\n error OwnableUnauthorizedAccount(address account);\n\n /\n @dev The owner is not a valid owner account. (eg. `address(0)`)\n /\n error OwnableInvalidOwner(address owner);\n\n event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);\n\n /\n @dev Initializes the contract setting the address provided by the deployer as the initial owner.\n /\n function __Ownable_init(address initialOwner) internal onlyInitializing {\n __Ownable_init_unchained(initialOwner);\n }\n\n function __Ownable_init_unchained(address initialOwner) internal onlyInitializing {\n if (initialOwner == address(0)) {\n revert OwnableInvalidOwner(address(0));\n }\n _transferOwnership(initialOwner);\n }\n\n /\n @dev Throws if called by any account other than the owner.\n /\n modifier onlyOwner() {\n _checkOwner();\n _;\n }\n\n /\n @dev Returns the address of the current owner.\n /\n function owner() public view virtual returns (address) {\n OwnableStorage storage $ = _getOwnableStorage();\n return $._owner;\n }\n\n /\n @dev Throws if the sender is not the owner.\n /\n function _checkOwner() internal view virtual {\n if (owner() != _msgSender()) {\n revert OwnableUnauthorizedAccount(_msgSender());\n }\n }\n\n /\n @dev Leaves the contract without owner. It will not be possible to call\n * `onlyOwner` functions. Can only be called by the current owner.\n \n NOTE: Renouncing ownership will leave the contract without an owner,\n * thereby disabling any functionality that is only available to the owner.\n /\n function renounceOwnership() public virtual onlyOwner {\n _transferOwnership(address(0));\n }\n\n /\n @dev Transfers ownership of the contract to a new account (`newOwner`).\n * Can only be called by the current owner.\n /\n function transferOwnership(address newOwner) public virtual onlyOwner {\n if (newOwner == address(0)) {\n revert OwnableInvalidOwner(address(0));\n }\n _transferOwnership(newOwner);\n }\n\n /\n @dev Transfers ownership of the contract to a new account (`newOwner`).\n * Internal function without access restriction.\n /\n function _transferOwnership(address newOwner) internal virtual {\n OwnableStorage storage $ = _getOwnableStorage();\n address oldOwner = $._owner;\n $._owner = newOwner;\n emit OwnershipTransferred(oldOwner, newOwner);\n }\n}\n" }, "lib/openzeppelin-contracts-upgradeable/contracts/proxy/utils/UUPSUpgradeable.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.0.0) (proxy/utils/UUPSUpgradeable.sol)\n\npragma solidity ^0.8.20;\n\nimport {IERC1822Proxiable} from \"@openzeppelin/contracts/interfaces/draft-IERC1822.sol\";\nimport {ERC1967Utils} from \"@openzeppelin/contracts/proxy/ERC1967/ERC1967Utils.sol\";\nimport {Initializable} from \"./Initializable.sol\";\n\n/\n @dev An upgradeability mechanism designed for UUPS proxies. The functions included here can perform an upgrade of an\n * {ERC1967Proxy}, when this contract is set as the implementation behind such a proxy.\n \n A security mechanism ensures that an upgrade does not turn off upgradeability accidentally, although this risk is\n * reinstated if the upgrade retains upgradeability but removes the security mechanism, e.g. by replacing\n * `UUPSUpgradeable` with a custom implementation of upgrades.\n \n The {_authorizeUpgrade} function must be overridden to include access restriction to the upgrade mechanism.\n /\nabstract contract UUPSUpgradeable is Initializable, IERC1822Proxiable {\n /// @custom:oz-upgrades-unsafe-allow state-variable-immutable\n address private immutable __self = address(this);\n\n /\n @dev The version of the upgrade interface of the contract. If this getter is missing, both `upgradeTo(address)`\n * and `upgradeToAndCall(address,bytes)` are present, and `upgradeTo` must be used if no function should be called,\n * while `upgradeToAndCall` will invoke the `receive` function if the second argument is the empty byte string.\n * If the getter returns `\"5.0.0\"`, only `upgradeToAndCall(address,bytes)` is present, and the second argument must\n * be the empty byte string if no function should be called, making it impossible to invoke the `receive` function\n * during an upgrade.\n /\n string public constant UPGRADE_INTERFACE_VERSION = \"5.0.0\";\n\n /\n @dev The call is from an unauthorized context.\n /\n error UUPSUnauthorizedCallContext();\n\n /\n @dev The storage `slot` is unsupported as a UUID.\n /\n error UUPSUnsupportedProxiableUUID(bytes32 slot);\n\n /\n @dev Check that the execution is being performed through a delegatecall call and that the execution context is\n * a proxy contract with an implementation (as defined in ERC1967) pointing to self. This should only be the case\n * for UUPS and transparent proxies that are using the current contract as their implementation. Execution of a\n * function through ERC1167 minimal proxies (clones) would not normally pass this test, but is not guaranteed to\n * fail.\n /\n modifier onlyProxy() {\n _checkProxy();\n _;\n }\n\n /\n @dev Check that the execution is not being performed through a delegate call. This allows a function to be\n * callable on the implementing contract but not through proxies.\n /\n modifier notDelegated() {\n _checkNotDelegated();\n _;\n }\n\n function __UUPSUpgradeable_init() internal onlyInitializing {\n }\n\n function __UUPSUpgradeable_init_unchained() internal onlyInitializing {\n }\n /\n @dev Implementation of the ERC1822 {proxiableUUID} function. This returns the storage slot used by the\n * implementation. It is used to validate the implementation's compatibility when performing an upgrade.\n \n IMPORTANT: A proxy pointing at a proxiable contract should not be considered proxiable itself, because this risks\n * bricking a proxy that upgrades to it, by delegating to itself until out of gas. Thus it is critical that this\n * function revert if invoked through a proxy. This is guaranteed by the `notDelegated` modifier.\n /\n function proxiableUUID() external view virtual notDelegated returns (bytes32) {\n return ERC1967Utils.IMPLEMENTATION_SLOT;\n }\n\n /\n @dev Upgrade the implementation of the proxy to `newImplementation`, and subsequently execute the function call\n * encoded in `data`.\n \n Calls {_authorizeUpgrade}.\n \n Emits an {Upgraded} event.\n \n @custom:oz-upgrades-unsafe-allow-reachable delegatecall\n /\n function upgradeToAndCall(address newImplementation, bytes memory data) public payable virtual onlyProxy {\n _authorizeUpgrade(newImplementation);\n _upgradeToAndCallUUPS(newImplementation, data);\n }\n\n /\n @dev Reverts if the execution is not performed via delegatecall or the execution\n * context is not of a proxy with an ERC1967-compliant implementation pointing to self.\n * See {_onlyProxy}.\n /\n function _checkProxy() internal view virtual {\n if (\n address(this) == __self \|\| // Must be called through delegatecall\n ERC1967Utils.getImplementation() != __self // Must be called through an active proxy\n ) {\n revert UUPSUnauthorizedCallContext();\n }\n }\n\n /\n @dev Reverts if the execution is performed via delegatecall.\n * See {notDelegated}.\n /\n function _checkNotDelegated() internal view virtual {\n if (address(this) != __self) {\n // Must not be called through delegatecall\n revert UUPSUnauthorizedCallContext();\n }\n }\n\n /\n @dev Function that should revert when `msg.sender` is not authorized to upgrade the contract. Called by\n * {upgradeToAndCall}.\n \n Normally, this function will use an xref:access.adoc[access control] modifier such as {Ownable-onlyOwner}.\n \n ```solidity\n * function _authorizeUpgrade(address) internal onlyOwner {}\n * ```\n /\n function _authorizeUpgrade(address newImplementation) internal virtual;\n\n /\n @dev Performs an implementation upgrade with a security check for UUPS proxies, and additional setup call.\n \n As a security check, {proxiableUUID} is invoked in the new implementation, and the return value\n * is expected to be the implementation slot in ERC1967.\n \n Emits an {IERC1967-Upgraded} event.\n /\n function _upgradeToAndCallUUPS(address newImplementation, bytes memory data) private {\n try IERC1822Proxiable(newImplementation).proxiableUUID() returns (bytes32 slot) {\n if (slot != ERC1967Utils.IMPLEMENTATION_SLOT) {\n revert UUPSUnsupportedProxiableUUID(slot);\n }\n ERC1967Utils.upgradeToAndCall(newImplementation, data);\n } catch {\n // The implementation is not UUPS\n revert ERC1967Utils.ERC1967InvalidImplementation(newImplementation);\n }\n }\n}\n" }, "lib/forge-std/src/interfaces/IERC165.sol": { "content": "// SPDX-License-Identifier: MIT\npragma solidity >=0.6.2;\n\ninterface IERC165 {\n /// @notice Query if a contract implements an interface\n /// @param interfaceID The interface identifier, as specified in ERC-165\n /// @dev Interface identification is specified in ERC-165. This function\n /// uses less than 30,000 gas.\n /// @return `true` if the contract implements `interfaceID` and\n /// `interfaceID` is not 0xffffffff, `false` otherwise\n function supportsInterface(bytes4 interfaceID) external view returns (bool);\n}\n" }, "src/interfaces/IAggregatorV3.sol": { "content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.20;\n\n// This is the chainlink interface that we use to get the ETH price\ninterface IAggregatorV3 {\n function decimals() external view returns (uint8);\n function description() external view returns (string memory);\n function version() external view returns (uint256);\n function getRoundData(uint80 _roundId)\n external\n view\n returns (\n uint80 roundId,\n int256 answer,\n uint256 startedAt,\n uint256 updatedAt,\n uint80 answeredInRound\n );\n function latestRoundData()\n external\n view\n returns (\n uint80 roundId,\n int256 answer,\n uint256 startedAt,\n uint256 updatedAt,\n uint80 answeredInRound\n );\n}\n\n" }, "lib/openzeppelin-contracts-upgradeable/contracts/utils/ContextUpgradeable.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.0.1) (utils/Context.sol)\n\npragma solidity ^0.8.20;\nimport {Initializable} from \"../proxy/utils/Initializable.sol\";\n\n/\n @dev Provides information about the current execution context, including the\n * sender of the transaction and its data. While these are generally available\n * via msg.sender and msg.data, they should not be accessed in such a direct\n * manner, since when dealing with meta-transactions the account sending and\n * paying for execution may not be the actual sender (as far as an application\n * is concerned).\n \n This contract is only required for intermediate, library-like contracts.\n /\nabstract contract ContextUpgradeable is Initializable {\n function __Context_init() internal onlyInitializing {\n }\n\n function __Context_init_unchained() internal onlyInitializing {\n }\n function _msgSender() internal view virtual returns (address) {\n return msg.sender;\n }\n\n function _msgData() internal view virtual returns (bytes calldata) {\n return msg.data;\n }\n\n function _contextSuffixLength() internal view virtual returns (uint256) {\n return 0;\n }\n}\n" }, "lib/openzeppelin-contracts-upgradeable/contracts/proxy/utils/Initializable.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.0.0) (proxy/utils/Initializable.sol)\n\npragma solidity ^0.8.20;\n\n/\n @dev This is a base contract to aid in writing upgradeable contracts, or any kind of contract that will be deployed\n * behind a proxy. Since proxied contracts do not make use of a constructor, it's common to move constructor logic to an\n * external initializer function, usually called `initialize`. It then becomes necessary to protect this initializer\n * function so it can only be called once. The {initializer} modifier provided by this contract will have this effect.\n \n The initialization functions use a version number. Once a version number is used, it is consumed and cannot be\n * reused. This mechanism prevents re-execution of each \"step\" but allows the creation of new initialization steps in\n * case an upgrade adds a module that needs to be initialized.\n \n For example:\n \n [.hljs-theme-light.nopadding]\n * ```solidity\n * contract MyToken is ERC20Upgradeable {\n * function initialize() initializer public {\n * __ERC20_init(\"MyToken\", \"MTK\");\n * }\n * }\n \n contract MyTokenV2 is MyToken, ERC20PermitUpgradeable {\n * function initializeV2() reinitializer(2) public {\n * __ERC20Permit_init(\"MyToken\");\n * }\n * }\n * ```\n \n TIP: To avoid leaving the proxy in an uninitialized state, the initializer function should be called as early as\n * possible by providing the encoded function call as the `_data` argument to {ERC1967Proxy-constructor}.\n \n CAUTION: When used with inheritance, manual care must be taken to not invoke a parent initializer twice, or to ensure\n * that all initializers are idempotent. This is not verified automatically as constructors are by Solidity.\n \n [CAUTION]\n * ====\n * Avoid leaving a contract uninitialized.\n \n An uninitialized contract can be taken over by an attacker. This applies to both a proxy and its implementation\n * contract, which may impact the proxy. To prevent the implementation contract from being used, you should invoke\n * the {_disableInitializers} function in the constructor to automatically lock it when it is deployed:\n \n [.hljs-theme-light.nopadding]\n * ```\n * /// @custom:oz-upgrades-unsafe-allow constructor\n * constructor() {\n * _disableInitializers();\n * }\n * ```\n * ====\n /\nabstract contract Initializable {\n /\n @dev Storage of the initializable contract.\n \n It's implemented on a custom ERC-7201 namespace to reduce the risk of storage collisions\n * when using with upgradeable contracts.\n \n @custom:storage-location erc7201:openzeppelin.storage.Initializable\n /\n struct InitializableStorage {\n /\n @dev Indicates that the contract has been initialized.\n /\n uint64 _initialized;\n /\n @dev Indicates that the contract is in the process of being initialized.\n /\n bool _initializing;\n }\n\n // keccak256(abi.encode(uint256(keccak256(\"openzeppelin.storage.Initializable\")) - 1)) & ~bytes32(uint256(0xff))\n bytes32 private constant INITIALIZABLE_STORAGE = 0xf0c57e16840df040f15088dc2f81fe391c3923bec73e23a9662efc9c229c6a00;\n\n /\n @dev The contract is already initialized.\n /\n error InvalidInitialization();\n\n /\n @dev The contract is not initializing.\n /\n error NotInitializing();\n\n /\n @dev Triggered when the contract has been initialized or reinitialized.\n /\n event Initialized(uint64 version);\n\n /\n @dev A modifier that defines a protected initializer function that can be invoked at most once. In its scope,\n * `onlyInitializing` functions can be used to initialize parent contracts.\n \n Similar to `reinitializer(1)`, except that in the context of a constructor an `initializer` may be invoked any\n * number of times. This behavior in the constructor can be useful during testing and is not expected to be used in\n * production.\n \n Emits an {Initialized} event.\n /\n modifier initializer() {\n // solhint-disable-next-line var-name-mixedcase\n InitializableStorage storage $ = _getInitializableStorage();\n\n // Cache values to avoid duplicated sloads\n bool isTopLevelCall = !$._initializing;\n uint64 initialized = $._initialized;\n\n // Allowed calls:\n // - initialSetup: the contract is not in the initializing state and no previous version was\n // initialized\n // - construction: the contract is initialized at version 1 (no reininitialization) and the\n // current contract is just being deployed\n bool initialSetup = initialized == 0 && isTopLevelCall;\n bool construction = initialized == 1 && address(this).code.length == 0;\n\n if (!initialSetup && !construction) {\n revert InvalidInitialization();\n }\n $._initialized = 1;\n if (isTopLevelCall) {\n $._initializing = true;\n }\n _;\n if (isTopLevelCall) {\n $._initializing = false;\n emit Initialized(1);\n }\n }\n\n /\n @dev A modifier that defines a protected reinitializer function that can be invoked at most once, and only if the\n * contract hasn't been initialized to a greater version before. In its scope, `onlyInitializing` functions can be\n * used to initialize parent contracts.\n \n A reinitializer may be used after the original initialization step. This is essential to configure modules that\n * are added through upgrades and that require initialization.\n \n When `version` is 1, this modifier is similar to `initializer`, except that functions marked with `reinitializer`\n * cannot be nested. If one is invoked in the context of another, execution will revert.\n \n Note that versions can jump in increments greater than 1; this implies that if multiple reinitializers coexist in\n * a contract, executing them in the right order is up to the developer or operator.\n \n WARNING: Setting the version to 2*64 - 1 will prevent any future reinitialization.\n \n * Emits an {Initialized} event.\n /\n modifier reinitializer(uint64 version) {\n // solhint-disable-next-line var-name-mixedcase\n InitializableStorage storage $ = _getInitializableStorage();\n\n if ($._initializing \|\| $._initialized >= version) {\n revert InvalidInitialization();\n }\n $._initialized = version;\n $._initializing = true;\n _;\n $._initializing = false;\n emit Initialized(version);\n }\n\n /\n @dev Modifier to protect an initialization function so that it can only be invoked by functions with the\n * {initializer} and {reinitializer} modifiers, directly or indirectly.\n /\n modifier onlyInitializing() {\n _checkInitializing();\n _;\n }\n\n /\n @dev Reverts if the contract is not in an initializing state. See {onlyInitializing}.\n /\n function _checkInitializing() internal view virtual {\n if (!_isInitializing()) {\n revert NotInitializing();\n }\n }\n\n /\n @dev Locks the contract, preventing any future reinitialization. This cannot be part of an initializer call.\n * Calling this in the constructor of a contract will prevent that contract from being initialized or reinitialized\n * to any version. It is recommended to use this to lock implementation contracts that are designed to be called\n * through proxies.\n \n Emits an {Initialized} event the first time it is successfully executed.\n /\n function _disableInitializers() internal virtual {\n // solhint-disable-next-line var-name-mixedcase\n InitializableStorage storage $ = _getInitializableStorage();\n\n if ($._initializing) {\n revert InvalidInitialization();\n }\n if ($._initialized != type(uint64).max) {\n $._initialized = type(uint64).max;\n emit Initialized(type(uint64).max);\n }\n }\n\n /\n @dev Returns the highest version that has been initialized. See {reinitializer}.\n /\n function _getInitializedVersion() internal view returns (uint64) {\n return _getInitializableStorage()._initialized;\n }\n\n /\n @dev Returns `true` if the contract is currently initializing. See {onlyInitializing}.\n /\n function _isInitializing() internal view returns (bool) {\n return _getInitializableStorage()._initializing;\n }\n\n /\n @dev Returns a pointer to the storage namespace.\n /\n // solhint-disable-next-line var-name-mixedcase\n function _getInitializableStorage() private pure returns (InitializableStorage storage $) {\n assembly {\n $.slot := INITIALIZABLE_STORAGE\n }\n }\n}\n" }, "lib/openzeppelin-contracts-upgradeable/lib/openzeppelin-contracts/contracts/interfaces/draft-IERC1822.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.0.0) (interfaces/draft-IERC1822.sol)\n\npragma solidity ^0.8.20;\n\n/\n @dev ERC1822: Universal Upgradeable Proxy Standard (UUPS) documents a method for upgradeability through a simplified\n * proxy whose upgrades are fully controlled by the current implementation.\n /\ninterface IERC1822Proxiable {\n /\n @dev Returns the storage slot that the proxiable contract assumes is being used to store the implementation\n * address.\n \n IMPORTANT: A proxy pointing at a proxiable contract should not be considered proxiable itself, because this risks\n * bricking a proxy that upgrades to it, by delegating to itself until out of gas. Thus it is critical that this\n * function revert if invoked through a proxy.\n /\n function proxiableUUID() external view returns (bytes32);\n}\n" }, "lib/openzeppelin-contracts-upgradeable/lib/openzeppelin-contracts/contracts/proxy/ERC1967/ERC1967Utils.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.0.0) (proxy/ERC1967/ERC1967Utils.sol)\n\npragma solidity ^0.8.20;\n\nimport {IBeacon} from \"../beacon/IBeacon.sol\";\nimport {Address} from \"../../utils/Address.sol\";\nimport {StorageSlot} from \"../../utils/StorageSlot.sol\";\n\n/\n @dev This abstract contract provides getters and event emitting update functions for\n * https://eips.ethereum.org/EIPS/eip-1967[EIP1967] slots.\n /\nlibrary ERC1967Utils {\n // We re-declare ERC-1967 events here because they can't be used directly from IERC1967.\n // This will be fixed in Solidity 0.8.21. At that point we should remove these events.\n /\n @dev Emitted when the implementation is upgraded.\n /\n event Upgraded(address indexed implementation);\n\n /\n @dev Emitted when the admin account has changed.\n /\n event AdminChanged(address previousAdmin, address newAdmin);\n\n /\n @dev Emitted when the beacon is changed.\n /\n event BeaconUpgraded(address indexed beacon);\n\n /\n @dev Storage slot with the address of the current implementation.\n * This is the keccak-256 hash of \"eip1967.proxy.implementation\" subtracted by 1.\n /\n // solhint-disable-next-line private-vars-leading-underscore\n bytes32 internal constant IMPLEMENTATION_SLOT = 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc;\n\n /\n @dev The `implementation` of the proxy is invalid.\n /\n error ERC1967InvalidImplementation(address implementation);\n\n /\n @dev The `admin` of the proxy is invalid.\n /\n error ERC1967InvalidAdmin(address admin);\n\n /\n @dev The `beacon` of the proxy is invalid.\n /\n error ERC1967InvalidBeacon(address beacon);\n\n /\n @dev An upgrade function sees `msg.value > 0` that may be lost.\n /\n error ERC1967NonPayable();\n\n /\n @dev Returns the current implementation address.\n /\n function getImplementation() internal view returns (address) {\n return StorageSlot.getAddressSlot(IMPLEMENTATION_SLOT).value;\n }\n\n /\n @dev Stores a new address in the EIP1967 implementation slot.\n /\n function _setImplementation(address newImplementation) private {\n if (newImplementation.code.length == 0) {\n revert ERC1967InvalidImplementation(newImplementation);\n }\n StorageSlot.getAddressSlot(IMPLEMENTATION_SLOT).value = newImplementation;\n }\n\n /\n @dev Performs implementation upgrade with additional setup call if data is nonempty.\n * This function is payable only if the setup call is performed, otherwise `msg.value` is rejected\n * to avoid stuck value in the contract.\n \n Emits an {IERC1967-Upgraded} event.\n /\n function upgradeToAndCall(address newImplementation, bytes memory data) internal {\n _setImplementation(newImplementation);\n emit Upgraded(newImplementation);\n\n if (data.length > 0) {\n Address.functionDelegateCall(newImplementation, data);\n } else {\n _checkNonPayable();\n }\n }\n\n /\n @dev Storage slot with the admin of the contract.\n * This is the keccak-256 hash of \"eip1967.proxy.admin\" subtracted by 1.\n /\n // solhint-disable-next-line private-vars-leading-underscore\n bytes32 internal constant ADMIN_SLOT = 0xb53127684a568b3173ae13b9f8a6016e243e63b6e8ee1178d6a717850b5d6103;\n\n /\n @dev Returns the current admin.\n \n TIP: To get this value clients can read directly from the storage slot shown below (specified by EIP1967) using\n * the https://eth.wiki/json-rpc/API#eth_getstorageat[`eth_getStorageAt`] RPC call.\n * `0xb53127684a568b3173ae13b9f8a6016e243e63b6e8ee1178d6a717850b5d6103`\n /\n function getAdmin() internal view returns (address) {\n return StorageSlot.getAddressSlot(ADMIN_SLOT).value;\n }\n\n /\n @dev Stores a new address in the EIP1967 admin slot.\n /\n function _setAdmin(address newAdmin) private {\n if (newAdmin == address(0)) {\n revert ERC1967InvalidAdmin(address(0));\n }\n StorageSlot.getAddressSlot(ADMIN_SLOT).value = newAdmin;\n }\n\n /\n @dev Changes the admin of the proxy.\n \n Emits an {IERC1967-AdminChanged} event.\n /\n function changeAdmin(address newAdmin) internal {\n emit AdminChanged(getAdmin(), newAdmin);\n _setAdmin(newAdmin);\n }\n\n /\n @dev The storage slot of the UpgradeableBeacon contract which defines the implementation for this proxy.\n * This is the keccak-256 hash of \"eip1967.proxy.beacon\" subtracted by 1.\n /\n // solhint-disable-next-line private-vars-leading-underscore\n bytes32 internal constant BEACON_SLOT = 0xa3f0ad74e5423aebfd80d3ef4346578335a9a72aeaee59ff6cb3582b35133d50;\n\n /\n @dev Returns the current beacon.\n /\n function getBeacon() internal view returns (address) {\n return StorageSlot.getAddressSlot(BEACON_SLOT).value;\n }\n\n /\n @dev Stores a new beacon in the EIP1967 beacon slot.\n /\n function _setBeacon(address newBeacon) private {\n if (newBeacon.code.length == 0) {\n revert ERC1967InvalidBeacon(newBeacon);\n }\n\n StorageSlot.getAddressSlot(BEACON_SLOT).value = newBeacon;\n\n address beaconImplementation = IBeacon(newBeacon).implementation();\n if (beaconImplementation.code.length == 0) {\n revert ERC1967InvalidImplementation(beaconImplementation);\n }\n }\n\n /\n @dev Change the beacon and trigger a setup call if data is nonempty.\n * This function is payable only if the setup call is performed, otherwise `msg.value` is rejected\n * to avoid stuck value in the contract.\n \n Emits an {IERC1967-BeaconUpgraded} event.\n \n CAUTION: Invoking this function has no effect on an instance of {BeaconProxy} since v5, since\n * it uses an immutable beacon without looking at the value of the ERC-1967 beacon slot for\n * efficiency.\n /\n function upgradeBeaconToAndCall(address newBeacon, bytes memory data) internal {\n _setBeacon(newBeacon);\n emit BeaconUpgraded(newBeacon);\n\n if (data.length > 0) {\n Address.functionDelegateCall(IBeacon(newBeacon).implementation(), data);\n } else {\n _checkNonPayable();\n }\n }\n\n /\n @dev Reverts if `msg.value` is not zero. It can be used to avoid `msg.value` stuck in the contract\n * if an upgrade doesn't perform an initialization call.\n /\n function _checkNonPayable() private {\n if (msg.value > 0) {\n revert ERC1967NonPayable();\n }\n }\n}\n" }, "lib/openzeppelin-contracts-upgradeable/lib/openzeppelin-contracts/contracts/proxy/beacon/IBeacon.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.0.0) (proxy/beacon/IBeacon.sol)\n\npragma solidity ^0.8.20;\n\n/\n @dev This is the interface that {BeaconProxy} expects of its beacon.\n /\ninterface IBeacon {\n /\n @dev Must return an address that can be used as a delegate call target.\n \n {UpgradeableBeacon} will check that this address is a contract.\n /\n function implementation() external view returns (address);\n}\n" }, "lib/openzeppelin-contracts-upgradeable/lib/openzeppelin-contracts/contracts/utils/Address.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.0.0) (utils/Address.sol)\n\npragma solidity ^0.8.20;\n\n/\n @dev Collection of functions related to the address type\n /\nlibrary Address {\n /\n @dev The ETH balance of the account is not enough to perform the operation.\n /\n error AddressInsufficientBalance(address account);\n\n /\n @dev There's no code at `target` (it is not a contract).\n /\n error AddressEmptyCode(address target);\n\n /\n @dev A call to an address target failed. The target may have reverted.\n /\n error FailedInnerCall();\n\n /\n @dev Replacement for Solidity's `transfer`: sends `amount` wei to\n * `recipient`, forwarding all available gas and reverting on errors.\n \n https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost\n * of certain opcodes, possibly making contracts go over the 2300 gas limit\n * imposed by `transfer`, making them unable to receive funds via\n * `transfer`. {sendValue} removes this limitation.\n \n https://consensys.net/diligence/blog/2019/09/stop-using-soliditys-transfer-now/[Learn more].\n \n IMPORTANT: because control is transferred to `recipient`, care must be\n * taken to not create reentrancy vulnerabilities. Consider using\n * {ReentrancyGuard} or the\n * https://solidity.readthedocs.io/en/v0.8.20/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].\n /\n function sendValue(address payable recipient, uint256 amount) internal {\n if (address(this).balance < amount) {\n revert AddressInsufficientBalance(address(this));\n }\n\n (bool success, ) = recipient.call{value: amount}(\"\");\n if (!success) {\n revert FailedInnerCall();\n }\n }\n\n /\n @dev Performs a Solidity function call using a low level `call`. A\n * plain `call` is an unsafe replacement for a function call: use this\n * function instead.\n \n If `target` reverts with a revert reason or custom error, it is bubbled\n * up by this function (like regular Solidity function calls). However, if\n * the call reverted with no returned reason, this function reverts with a\n * {FailedInnerCall} error.\n \n Returns the raw returned data. To convert to the expected return value,\n * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].\n \n Requirements:\n \n - `target` must be a contract.\n * - calling `target` with `data` must not revert.\n /\n function functionCall(address target, bytes memory data) internal returns (bytes memory) {\n return functionCallWithValue(target, data, 0);\n }\n\n /\n @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],\n * but also transferring `value` wei to `target`.\n \n Requirements:\n \n - the calling contract must have an ETH balance of at least `value`.\n * - the called Solidity function must be `payable`.\n /\n function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) {\n if (address(this).balance < value) {\n revert AddressInsufficientBalance(address(this));\n }\n (bool success, bytes memory returndata) = target.call{value: value}(data);\n return verifyCallResultFromTarget(target, success, returndata);\n }\n\n /\n @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],\n * but performing a static call.\n /\n function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {\n (bool success, bytes memory returndata) = target.staticcall(data);\n return verifyCallResultFromTarget(target, success, returndata);\n }\n\n /\n @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],\n * but performing a delegate call.\n /\n function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {\n (bool success, bytes memory returndata) = target.delegatecall(data);\n return verifyCallResultFromTarget(target, success, returndata);\n }\n\n /\n @dev Tool to verify that a low level call to smart-contract was successful, and reverts if the target\n * was not a contract or bubbling up the revert reason (falling back to {FailedInnerCall}) in case of an\n * unsuccessful call.\n /\n function verifyCallResultFromTarget(\n address target,\n bool success,\n bytes memory returndata\n ) internal view returns (bytes memory) {\n if (!success) {\n _revert(returndata);\n } else {\n // only check if target is a contract if the call was successful and the return data is empty\n // otherwise we already know that it was a contract\n if (returndata.length == 0 && target.code.length == 0) {\n revert AddressEmptyCode(target);\n }\n return returndata;\n }\n }\n\n /\n @dev Tool to verify that a low level call was successful, and reverts if it wasn't, either by bubbling the\n * revert reason or with a default {FailedInnerCall} error.\n /\n function verifyCallResult(bool success, bytes memory returndata) internal pure returns (bytes memory) {\n if (!success) {\n _revert(returndata);\n } else {\n return returndata;\n }\n }\n\n /\n @dev Reverts with returndata if present. Otherwise reverts with {FailedInnerCall}.\n /\n function _revert(bytes memory returndata) private pure {\n // Look for revert reason and bubble it up if present\n if (returndata.length > 0) {\n // The easiest way to bubble the revert reason is using memory via assembly\n /// @solidity memory-safe-assembly\n assembly {\n let returndata_size := mload(returndata)\n revert(add(32, returndata), returndata_size)\n }\n } else {\n revert FailedInnerCall();\n }\n }\n}\n" }, "lib/openzeppelin-contracts-upgradeable/lib/openzeppelin-contracts/contracts/utils/StorageSlot.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.0.0) (utils/StorageSlot.sol)\n// This file was procedurally generated from scripts/generate/templates/StorageSlot.js.\n\npragma solidity ^0.8.20;\n\n/\n @dev Library for reading and writing primitive types to specific storage slots.\n \n Storage slots are often used to avoid storage conflict when dealing with upgradeable contracts.\n * This library helps with reading and writing to such slots without the need for inline assembly.\n \n The functions in this library return Slot structs that contain a `value` member that can be used to read or write.\n \n Example usage to set ERC1967 implementation slot:\n * ```solidity\n * contract ERC1967 {\n * bytes32 internal constant _IMPLEMENTATION_SLOT = 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc;\n \n function _getImplementation() internal view returns (address) {\n * return StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value;\n * }\n \n function _setImplementation(address newImplementation) internal {\n * require(newImplementation.code.length > 0);\n * StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value = newImplementation;\n * }\n * }\n * ```\n /\nlibrary StorageSlot {\n struct AddressSlot {\n address value;\n }\n\n struct BooleanSlot {\n bool value;\n }\n\n struct Bytes32Slot {\n bytes32 value;\n }\n\n struct Uint256Slot {\n uint256 value;\n }\n\n struct StringSlot {\n string value;\n }\n\n struct BytesSlot {\n bytes value;\n }\n\n /\n @dev Returns an `AddressSlot` with member `value` located at `slot`.\n /\n function getAddressSlot(bytes32 slot) internal pure returns (AddressSlot storage r) {\n /// @solidity memory-safe-assembly\n assembly {\n r.slot := slot\n }\n }\n\n /\n @dev Returns an `BooleanSlot` with member `value` located at `slot`.\n /\n function getBooleanSlot(bytes32 slot) internal pure returns (BooleanSlot storage r) {\n /// @solidity memory-safe-assembly\n assembly {\n r.slot := slot\n }\n }\n\n /\n @dev Returns an `Bytes32Slot` with member `value` located at `slot`.\n /\n function getBytes32Slot(bytes32 slot) internal pure returns (Bytes32Slot storage r) {\n /// @solidity memory-safe-assembly\n assembly {\n r.slot := slot\n }\n }\n\n /\n @dev Returns an `Uint256Slot` with member `value` located at `slot`.\n /\n function getUint256Slot(bytes32 slot) internal pure returns (Uint256Slot storage r) {\n /// @solidity memory-safe-assembly\n assembly {\n r.slot := slot\n }\n }\n\n /\n @dev Returns an `StringSlot` with member `value` located at `slot`.\n /\n function getStringSlot(bytes32 slot) internal pure returns (StringSlot storage r) {\n /// @solidity memory-safe-assembly\n assembly {\n r.slot := slot\n }\n }\n\n /\n @dev Returns an `StringSlot` representation of the string storage pointer `store`.\n /\n function getStringSlot(string storage store) internal pure returns (StringSlot storage r) {\n /// @solidity memory-safe-assembly\n assembly {\n r.slot := store.slot\n }\n }\n\n /\n @dev Returns an `BytesSlot` with member `value` located at `slot`.\n /\n function getBytesSlot(bytes32 slot) internal pure returns (BytesSlot storage r) {\n /// @solidity memory-safe-assembly\n assembly {\n r.slot := slot\n }\n }\n\n /\n @dev Returns an `BytesSlot` representation of the bytes storage pointer `store`.\n /\n function getBytesSlot(bytes storage store) internal pure returns (BytesSlot storage r) {\n /// @solidity memory-safe-assembly\n assembly {\n r.slot := store.slot\n }\n }\n}\n" } }, "settings": { "remappings": [ "@openzeppelin/contracts/=lib/openzeppelin-contracts-upgradeable/lib/openzeppelin-contracts/contracts/", "@openzeppelin/contracts-upgradeable/=lib/openzeppelin-contracts-upgradeable/contracts/", "@solmate/=lib/solmate/", "@murky/=lib/murky/src/", "ds-test/=lib/solmate/lib/ds-test/src/", "erc4626-tests/=lib/openzeppelin-contracts-upgradeable/lib/erc4626-tests/", "forge-std/=lib/forge-std/src/", "openzeppelin-contracts-upgradeable/=lib/openzeppelin-contracts-upgradeable/", "openzeppelin-contracts/=lib/openzeppelin-contracts/", "openzeppelin-foundry-upgrades/=lib/openzeppelin-foundry-upgrades/src/", "solidity-stringutils/=lib/openzeppelin-foundry-upgrades/lib/solidity-stringutils/", "solmate/=lib/solmate/src/" ], "optimizer": { "enabled": true, "runs": 200 }, "metadata": { "useLiteralContent": false, "bytecodeHash": "ipfs", "appendCBOR": true }, "outputSelection": { "": { "*": [ "evm.bytecode", "evm.deployedBytecode", "devdoc", "userdoc", "metadata", "abi" ] } }, "evmVersion": "paris", "viaIR": true, "libraries": {} } }}
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"language": "Solidity", "sources": { "src/core/VaultManagerV4.sol": { "content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.20;\n\nimport {DNft} from \"./DNft.sol\";\nimport {Dyad} from \"./Dyad.sol\";\nimport {VaultLicenser} from \"./VaultLicenser.sol\";\nimport {Vault} from \"./Vault.sol\";\nimport {DyadXP} from \"../staking/DyadXP.sol\";\nimport {IVaultManager} from \"../interfaces/IVaultManager.sol\";\n\nimport {FixedPointMathLib} from \"@solmate/src/utils/FixedPointMathLib.sol\";\nimport {ERC20} from \"@solmate/src/tokens/ERC20.sol\";\nimport {SafeTransferLib} from \"@solmate/src/utils/SafeTransferLib.sol\";\n\nimport {EnumerableSet} from \"@openzeppelin/contracts/utils/structs/EnumerableSet.sol\";\nimport {ERC1967Proxy} from \"@openzeppelin/contracts/proxy/ERC1967/ERC1967Proxy.sol\";\n\nimport {OwnableUpgradeable} from \"@openzeppelin/contracts-upgradeable/access/OwnableUpgradeable.sol\";\nimport {UUPSUpgradeable} from \"@openzeppelin/contracts-upgradeable/proxy/utils/UUPSUpgradeable.sol\";\n\n/// @custom:oz-upgrades-from src/core/VaultManagerV3.sol:VaultManagerV3\ncontract VaultManagerV4 is IVaultManager, UUPSUpgradeable, OwnableUpgradeable {\n using EnumerableSet for EnumerableSet.AddressSet;\n using FixedPointMathLib for uint;\n using SafeTransferLib for ERC20;\n\n uint public constant MAX_VAULTS = 6;\n uint public constant MIN_COLLAT_RATIO = 1.5e18; // 150% // Collaterization\n uint public constant LIQUIDATION_REWARD = 0.2e18; // 20%\n\n address public constant KEROSENE_VAULT = 0x4808e4CC6a2Ba764778A0351E1Be198494aF0b43;\n\n DNft public dNft;\n Dyad public dyad;\n VaultLicenser public vaultLicenser;\n\n mapping (uint => EnumerableSet.AddressSet) internal vaults; \n mapping (uint/* id / => uint/ block /) public lastDeposit;\n\n DyadXP public dyadXP;\n\n modifier isDNftOwner(uint id) {\n if (dNft.ownerOf(id) != msg.sender) revert NotOwner(); _;\n }\n modifier isValidDNft(uint id) {\n if (dNft.ownerOf(id) == address(0)) revert InvalidDNft(); _;\n }\n\n /// @custom:oz-upgrades-unsafe-allow constructor\n constructor() { _disableInitializers(); }\n\n function initialize(address dyadXPImpl)\n public \n reinitializer(4) \n {\n ERC1967Proxy proxy = new ERC1967Proxy(address(dyadXPImpl), abi.encodeWithSignature(\"initialize(address)\", owner()));\n dyadXP = DyadXP(address(proxy));\n }\n\n function add(\n uint id,\n address vault\n ) \n external\n isDNftOwner(id)\n {\n if (!vaultLicenser.isLicensed(vault)) revert VaultNotLicensed();\n if ( vaults[id].length() >= MAX_VAULTS) revert TooManyVaults();\n if (!vaults[id].add(vault)) revert VaultAlreadyAdded();\n emit Added(id, vault);\n }\n\n function remove(\n uint id,\n address vault\n ) \n external\n isDNftOwner(id)\n {\n if (Vault(vault).id2asset(id) > 0) revert VaultHasAssets();\n if (!vaults[id].remove(vault)) revert VaultNotAdded();\n emit Removed(id, vault);\n }\n\n function deposit(\n uint id,\n address vault,\n uint amount\n ) \n external \n isDNftOwner(id)\n {\n lastDeposit[id] = block.number;\n Vault _vault = Vault(vault);\n _vault.asset().safeTransferFrom(msg.sender, vault, amount);\n _vault.deposit(id, amount);\n\n if (vault == KEROSENE_VAULT) {\n dyadXP.afterKeroseneDeposited(id, amount);\n }\n }\n\n function withdraw(\n uint id,\n address vault,\n uint amount,\n address to\n ) \n public\n isDNftOwner(id)\n {\n if (lastDeposit[id] == block.number) revert CanNotWithdrawInSameBlock();\n if (vault == KEROSENE_VAULT) dyadXP.beforeKeroseneWithdrawn(id, amount);\n Vault(vault).withdraw(id, to, amount); // changes `exo` or `kero` value and `cr`\n _checkExoValueAndCollatRatio(id);\n }\n\n function mintDyad(\n uint id,\n uint amount,\n address to\n )\n external \n isDNftOwner(id)\n {\n dyad.mint(id, to, amount); // changes `mintedDyad` and `cr`\n _checkExoValueAndCollatRatio(id);\n emit MintDyad(id, amount, to);\n }\n\n function _checkExoValueAndCollatRatio(\n uint id\n ) \n internal\n view\n {\n (uint exoValue, uint keroValue) = getVaultsValues(id);\n uint mintedDyad = dyad.mintedDyad(id);\n if (exoValue < mintedDyad) revert NotEnoughExoCollat();\n uint cr = _collatRatio(mintedDyad, exoValue+keroValue);\n if (cr < MIN_COLLAT_RATIO) revert CrTooLow();\n }\n\n function burnDyad(\n uint id,\n uint amount\n ) \n public \n isDNftOwner(id)\n {\n dyad.burn(id, msg.sender, amount);\n emit BurnDyad(id, amount, msg.sender);\n }\n\n function redeemDyad(\n uint id,\n address vault,\n uint amount,\n address to\n )\n external \n isDNftOwner(id)\n returns (uint) { \n burnDyad(id, amount);\n Vault _vault = Vault(vault);\n uint asset = amount \n (10*(_vault.oracle().decimals() + _vault.asset().decimals())) \n / _vault.assetPrice() \n / 1e18;\n withdraw(id, vault, asset, to);\n emit RedeemDyad(id, vault, amount, to);\n return asset;\n }\n\n function liquidate(\n uint id,\n uint to,\n uint amount\n ) \n external \n isValidDNft(id)\n isValidDNft(to)\n {\n uint cr = collatRatio(id);\n if (cr >= MIN_COLLAT_RATIO) revert CrTooHigh();\n uint debt = dyad.mintedDyad(id);\n dyad.burn(id, msg.sender, amount); // changes `debt` and `cr`\n\n lastDeposit[to] = block.number; // `move` acts like a deposit\n\n uint totalValue = getTotalValue(id);\n if (totalValue == 0) return;\n\n uint numberOfVaults = vaults[id].length();\n for (uint i = 0; i < numberOfVaults; i++) {\n Vault vault = Vault(vaults[id].at(i));\n if (vaultLicenser.isLicensed(address(vault))) {\n uint value = vault.getUsdValue(id);\n if (value == 0) continue;\n uint asset;\n if (cr < LIQUIDATION_REWARD + 1e18 && debt != amount) {\n uint cappedCr = cr < 1e18 ? 1e18 : cr;\n uint liquidationEquityShare = (cappedCr - 1e18).mulWadDown(LIQUIDATION_REWARD);\n uint liquidationAssetShare = (liquidationEquityShare + 1e18).divWadDown(cappedCr);\n uint allAsset = vault.id2asset(id).mulWadUp(liquidationAssetShare);\n asset = allAsset.mulWadDown(amount).divWadDown(debt);\n } else {\n uint share = value.divWadDown(totalValue);\n uint amountShare = share.mulWadUp(amount);\n uint reward_rate = amount\n .divWadDown(debt)\n .mulWadDown(LIQUIDATION_REWARD);\n uint valueToMove = amountShare + amountShare.mulWadUp(reward_rate);\n uint cappedValue = valueToMove > value ? value : valueToMove;\n asset = cappedValue \n (10*(vault.oracle().decimals() + vault.asset().decimals())) \n / vault.assetPrice() \n / 1e18;\n }\n if (address(vault) == KEROSENE_VAULT) {\n dyadXP.beforeKeroseneWithdrawn(id, asset);\n }\n vault.move(id, to, asset);\n if (address(vault) == KEROSENE_VAULT) {\n dyadXP.afterKeroseneDeposited(to, asset);\n } \n }\n }\n\n emit Liquidate(id, msg.sender, to);\n }\n\n function collatRatio(\n uint id\n )\n public \n view\n returns (uint) {\n uint mintedDyad = dyad.mintedDyad(id);\n uint totalValue = getTotalValue(id);\n return _collatRatio(mintedDyad, totalValue);\n }\n\n /// @dev Why do we have the same function with different arguments?\n /// Sometimes we can re-use the `mintedDyad` and `totalValue` values,\n /// Calculating them is expensive, so we can re-use the cached values.\n function _collatRatio(\n uint mintedDyad, \n uint totalValue // in USD\n )\n internal \n pure\n returns (uint) {\n if (mintedDyad == 0) return type(uint).max;\n return totalValue.divWadDown(mintedDyad);\n }\n\n function getTotalValue( // in USD\n uint id\n ) \n public \n view\n returns (uint) {\n (uint exoValue, uint keroValue) = getVaultsValues(id);\n return exoValue + keroValue;\n }\n\n function getVaultsValues( // in USD\n uint id\n ) \n public \n view\n returns (\n uint exoValue, // exo := exogenous (non-kerosene)\n uint keroValue\n ) {\n uint numberOfVaults = vaults[id].length(); \n\n for (uint i = 0; i < numberOfVaults; i++) {\n Vault vault = Vault(vaults[id].at(i));\n if (vaultLicenser.isLicensed(address(vault))) {\n if (vaultLicenser.isKerosene(address(vault))) {\n keroValue += vault.getUsdValue(id);\n } else {\n exoValue += vault.getUsdValue(id);\n }\n }\n }\n }\n\n // ----------------- MISC ----------------- //\n function getVaults(\n uint id\n ) \n external \n view \n returns (address[] memory) {\n return vaults[id].values();\n }\n\n function hasVault(\n uint id,\n address vault\n ) \n external \n view \n returns (bool) {\n return vaults[id].contains(vault);\n }\n\n // ----------------- UPGRADABILITY ----------------- //\n function _authorizeUpgrade(address newImplementation) \n internal \n override \n {\n if (msg.sender != owner()) revert NotOwner();\n }\n}\n" }, "src/core/DNft.sol": { "content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.20;\n\nimport {ERC721, ERC721Enumerable} from \"@openzeppelin/contracts/token/ERC721/extensions/ERC721Enumerable.sol\";\nimport {SafeTransferLib} from \"@solmate/src/utils/SafeTransferLib.sol\";\nimport {Owned} from \"@solmate/src/auth/Owned.sol\";\nimport {IDNft} from \"../interfaces/IDNft.sol\";\nimport {DNftParameters} from \"../params/DNftParameters.sol\";\n\ncontract DNft is ERC721Enumerable, Owned, DNftParameters, IDNft {\n using SafeTransferLib for address;\n\n uint public publicMints; // Number of public mints\n uint public insiderMints; // Number of insider mints\n\n constructor()\n ERC721(\"Dyad NFT\", \"dNFT\") \n Owned(msg.sender) \n {}\n\n /// @inheritdoc IDNft\n function mintNft(address to)\n external \n payable\n returns (uint) {\n uint price = START_PRICE + (PRICE_INCREASE publicMints++);\n if (msg.value < price) revert InsufficientFunds();\n uint id = _mintNft(to);\n if (msg.value > price) to.safeTransferETH(msg.value - price);\n emit MintedNft(id, to);\n return id;\n }\n\n /// @inheritdoc IDNft\n function mintInsiderNft(address to)\n external \n onlyOwner \n returns (uint) {\n if (++insiderMints > INSIDER_MINTS) revert InsiderMintsExceeded();\n uint id = _mintNft(to); \n emit MintedInsiderNft(id, to);\n return id;\n }\n\n function _mintNft(address to)\n private \n returns (uint) {\n uint id = totalSupply();\n _safeMint(to, id); \n return id;\n }\n\n /// @inheritdoc IDNft\n function drain(address to)\n external\n onlyOwner\n {\n uint balance = address(this).balance;\n to.safeTransferETH(balance);\n emit Drained(to, balance);\n }\n}\n" }, "src/core/Dyad.sol": { "content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.20;\n\nimport {IDyad} from \"../interfaces/IDyad.sol\";\nimport {Licenser} from \"./Licenser.sol\";\nimport {ERC20} from \"@solmate/src/tokens/ERC20.sol\";\n\ncontract Dyad is ERC20(\"DYAD Stable\", \"DYAD\", 18), IDyad {\n Licenser public immutable licenser; \n\n // dNFT ID => dyad\n mapping (uint => uint) public mintedDyad; \n\n constructor(\n Licenser _licenser\n ) { \n licenser = _licenser; \n }\n\n modifier licensedVaultManager() {\n if (!licenser.isLicensed(msg.sender)) revert NotLicensed();\n _;\n }\n\n /// @inheritdoc IDyad\n function mint(\n uint id, \n address to,\n uint amount\n ) external \n licensedVaultManager \n {\n _mint(to, amount);\n mintedDyad[id] += amount;\n }\n\n /// @inheritdoc IDyad\n function burn(\n uint id, \n address from,\n uint amount\n ) external \n licensedVaultManager \n {\n _burn(from, amount);\n mintedDyad[id] -= amount;\n }\n}\n" }, "src/core/VaultLicenser.sol": { "content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.20;\n\nimport {Owned} from \"@solmate/src/auth/Owned.sol\";\n\ncontract VaultLicenser is Owned(msg.sender) {\n struct License {\n bool isLicensed;\n bool isKeroseneVault;\n }\n\n mapping(address => License) public licenses;\n \n function add(\n address _vault,\n bool _isKeroseneVault\n ) external \n onlyOwner \n {\n licenses[_vault] = License(true, _isKeroseneVault);\n }\n\n function remove(\n address _vault\n ) external \n onlyOwner \n {\n licenses[_vault] = License(false, false);\n }\n\n function isLicensed(\n address _vault\n ) external \n view \n returns (bool) \n {\n return licenses[_vault].isLicensed;\n }\n\n function isKerosene(\n address _vault\n ) external \n view \n returns (bool) \n {\n return licenses[_vault].isKeroseneVault;\n }\n}\n" }, "src/core/Vault.sol": { "content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.20;\n\nimport {IVaultManager} from \"../interfaces/IVaultManager.sol\";\nimport {IDNft} from \"../interfaces/IDNft.sol\";\nimport {IVault} from \"../interfaces/IVault.sol\";\nimport {IAggregatorV3} from \"../interfaces/IAggregatorV3.sol\";\n\nimport {SafeCast} from \"@openzeppelin/contracts/utils/math/SafeCast.sol\";\nimport {SafeTransferLib} from \"@solmate/src/utils/SafeTransferLib.sol\";\nimport {FixedPointMathLib} from \"@solmate/src/utils/FixedPointMathLib.sol\";\nimport {ERC20} from \"@solmate/src/tokens/ERC20.sol\";\n\ncontract Vault is IVault {\n using SafeTransferLib for ERC20;\n using SafeCast for int;\n using FixedPointMathLib for uint;\n\n uint public constant STALE_DATA_TIMEOUT = 90 minutes; \n\n IVaultManager public immutable vaultManager;\n ERC20 public immutable asset;\n IAggregatorV3 public immutable oracle;\n\n mapping(uint => uint) public id2asset;\n\n modifier onlyVaultManager() {\n if (msg.sender != address(vaultManager)) revert NotVaultManager();\n _;\n }\n\n constructor(\n IVaultManager _vaultManager,\n ERC20 _asset,\n IAggregatorV3 _oracle\n ) {\n vaultManager = _vaultManager;\n asset = _asset;\n oracle = _oracle;\n }\n\n function deposit(\n uint id,\n uint amount\n )\n external \n onlyVaultManager\n {\n id2asset[id] += amount;\n emit Deposit(id, amount);\n }\n\n function withdraw(\n uint id,\n address to,\n uint amount\n ) \n external \n onlyVaultManager\n {\n id2asset[id] -= amount;\n asset.safeTransfer(to, amount); \n emit Withdraw(id, to, amount);\n }\n\n function move(\n uint from,\n uint to,\n uint amount\n )\n external\n onlyVaultManager\n {\n id2asset[from] -= amount;\n id2asset[to] += amount;\n emit Move(from, to, amount);\n }\n\n function getUsdValue(\n uint id\n )\n external\n view \n returns (uint) {\n return id2asset[id] * assetPrice() \n * 1e18 \n / 10oracle.decimals() \n / 10asset.decimals();\n }\n\n function assetPrice() \n public \n view \n returns (uint) {\n (\n ,\n int256 answer,\n , \n uint256 updatedAt, \n ) = oracle.latestRoundData();\n if (block.timestamp > updatedAt + STALE_DATA_TIMEOUT) revert StaleData();\n return answer.toUint256();\n }\n}\n" }, "src/staking/DyadXP.sol": { "content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.20;\n\nimport {IERC20} from \"forge-std/interfaces/IERC20.sol\";\nimport {ERC20} from \"solmate/tokens/ERC20.sol\";\nimport {IERC721Enumerable} from \"forge-std/interfaces/IERC721.sol\";\n\nimport {IVaultManager} from \"../interfaces/IVaultManager.sol\";\nimport {IVault} from \"../interfaces/IVault.sol\";\nimport {FixedPointMathLib} from \"solmate/utils/FixedPointMathLib.sol\";\nimport {OwnableUpgradeable} from \"@openzeppelin/contracts-upgradeable/access/OwnableUpgradeable.sol\";\nimport {UUPSUpgradeable} from \"@openzeppelin/contracts-upgradeable/proxy/utils/UUPSUpgradeable.sol\";\n\nstruct NoteXPData {\n // uint40 supports 34,000 years before overflow\n uint40 lastAction;\n // uint96 max is 79b at 18 decimals which is more than total kero supply\n uint96 keroseneDeposited;\n // uint120 supports deposit of entire kerosene supply by a single note for ~42 years before overflow\n uint120 lastXP;\n}\n\ncontract DyadXP is IERC20, UUPSUpgradeable, OwnableUpgradeable {\n using FixedPointMathLib for uint256;\n\n error TransferNotAllowed();\n error ApproveNotAllowed();\n error NotVaultManager();\n\n IVaultManager public immutable VAULT_MANAGER;\n IERC721Enumerable public immutable DNFT;\n IVault public immutable KEROSENE_VAULT;\n ERC20 public immutable KEROSENE;\n\n string public constant name = \"Dyad XP\";\n string public constant symbol = \"dXP\";\n uint8 public constant decimals = 18;\n\n uint40 globalLastUpdate;\n uint192 globalLastXP;\n uint256 totalKeroseneInVault;\n\n mapping(uint256 => NoteXPData) public noteData;\n\n constructor(address vaultManager, address keroseneVault, address dnft) {\n VAULT_MANAGER = IVaultManager(vaultManager);\n DNFT = IERC721Enumerable(dnft);\n KEROSENE_VAULT = IVault(keroseneVault);\n KEROSENE = ERC20(KEROSENE_VAULT.asset());\n _disableInitializers();\n }\n\n function initialize(address owner) public initializer {\n __Ownable_init(owner);\n\n globalLastUpdate = uint40(block.timestamp);\n uint256 dnftSupply = DNFT.totalSupply();\n\n for (uint256 i = 0; i < dnftSupply; ++i) {\n uint256 depositedKero = KEROSENE_VAULT.id2asset(i);\n if (depositedKero == 0) {\n continue;\n }\n totalKeroseneInVault += depositedKero;\n noteData[i] = NoteXPData({\n lastAction: uint40(block.timestamp),\n keroseneDeposited: uint96(depositedKero),\n lastXP: 0\n });\n }\n }\n\n /// @notice Returns the amount of tokens in existence.\n function totalSupply() public view returns (uint256) {\n uint256 timeElapsed = block.timestamp - globalLastUpdate;\n return uint256(globalLastXP + timeElapsed * totalKeroseneInVault);\n }\n\n /// @notice Returns the amount of tokens owned by `account`.\n function balanceOf(address account) external view returns (uint256) {\n uint256 totalXP;\n uint256 noteBalance = DNFT.balanceOf(account);\n\n for (uint256 i = 0; i < noteBalance; i++) {\n uint256 noteId = DNFT.tokenOfOwnerByIndex(account, i);\n NoteXPData memory lastUpdate = noteData[noteId];\n totalXP += _computeXP(lastUpdate);\n }\n\n return totalXP;\n }\n\n function balanceOfNote(uint256 noteId) external view returns (uint256) {\n NoteXPData memory lastUpdate = noteData[noteId];\n return _computeXP(lastUpdate);\n }\n\n /// @notice Moves `amount` tokens from the caller's account to `to`.\n function transfer(address, uint256) external pure returns (bool) {\n revert TransferNotAllowed();\n }\n\n /// @notice Returns the remaining number of tokens that `spender` is allowed\n /// to spend on behalf of `owner`\n function allowance(address, address) external pure returns (uint256) {\n return 0;\n }\n\n /// @notice Sets `amount` as the allowance of `spender` over the caller's tokens.\n /// @dev Be aware of front-running risks: https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729\n function approve(address, uint256) external pure returns (bool) {\n revert ApproveNotAllowed();\n }\n\n /// @notice Moves `amount` tokens from `from` to `to` using the allowance mechanism.\n /// `amount` is then deducted from the caller's allowance.\n function transferFrom(\n address,\n address,\n uint256\n ) external pure returns (bool) {\n revert TransferNotAllowed();\n }\n\n function afterKeroseneDeposited(\n uint256 noteId,\n uint256 amountDeposited\n ) external {\n if (msg.sender != address(VAULT_MANAGER)) {\n revert NotVaultManager();\n }\n\n NoteXPData memory lastUpdate = noteData[noteId];\n\n uint256 newXP = _computeXP(lastUpdate);\n\n totalKeroseneInVault += amountDeposited;\n\n noteData[noteId] = NoteXPData({\n lastAction: uint40(block.timestamp),\n keroseneDeposited: uint96(KEROSENE_VAULT.id2asset(noteId)),\n lastXP: uint120(newXP)\n });\n\n globalLastXP += uint192(\n (block.timestamp - globalLastUpdate) * (totalKeroseneInVault - amountDeposited)\n );\n globalLastUpdate = uint40(block.timestamp);\n\n emit Transfer(\n address(0),\n address(DNFT.ownerOf(noteId)),\n newXP - lastUpdate.lastXP\n );\n }\n\n function beforeKeroseneWithdrawn(\n uint256 noteId,\n uint256 amountWithdrawn\n ) external {\n if (msg.sender != address(VAULT_MANAGER)) {\n revert NotVaultManager();\n }\n\n NoteXPData memory lastUpdate = noteData[noteId];\n uint256 xp = _computeXP(lastUpdate);\n uint256 slashedXP = xp.mulDivUp(\n amountWithdrawn,\n lastUpdate.keroseneDeposited\n );\n if (slashedXP > xp) {\n slashedXP = xp;\n }\n\n noteData[noteId] = NoteXPData({\n lastAction: uint40(block.timestamp),\n keroseneDeposited: uint96(\n lastUpdate.keroseneDeposited - amountWithdrawn\n ),\n lastXP: uint120(xp - slashedXP)\n });\n\n globalLastXP = uint192(\n globalLastXP +\n (block.timestamp - globalLastUpdate) \n totalKeroseneInVault -\n slashedXP\n );\n globalLastUpdate = uint40(block.timestamp);\n totalKeroseneInVault -= amountWithdrawn;\n\n emit Transfer(\n address(0),\n address(DNFT.ownerOf(noteId)),\n xp - lastUpdate.lastXP\n );\n emit Transfer(DNFT.ownerOf(noteId), address(0), slashedXP);\n }\n\n function _authorizeUpgrade(\n address\n ) internal view override onlyOwner {}\n\n function _computeXP(\n NoteXPData memory lastUpdate\n ) internal view returns (uint256) {\n uint256 elapsed = block.timestamp - lastUpdate.lastAction;\n uint256 deposited = lastUpdate.keroseneDeposited;\n\n return uint256(lastUpdate.lastXP + elapsed deposited);\n }\n}\n" }, "src/interfaces/IVaultManager.sol": { "content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.20;\n\ninterface IVaultManager {\n event Added (uint indexed id, address indexed vault);\n event Removed (uint indexed id, address indexed vault);\n event MintDyad (uint indexed id, uint amount, address indexed to);\n event BurnDyad (uint indexed id, uint amount, address indexed from);\n event RedeemDyad(uint indexed id, address indexed vault, uint amount, address indexed to);\n event Liquidate (uint indexed id, address indexed from, uint indexed to);\n\n error NotOwner();\n error NotLicensed();\n error VaultNotLicensed();\n error TooManyVaults();\n error VaultAlreadyAdded();\n error VaultNotAdded();\n error VaultHasAssets();\n error NotDNftVault();\n error InvalidDNft();\n error CrTooLow();\n error CrTooHigh();\n error CanNotWithdrawInSameBlock();\n error NotEnoughExoCollat();\n error VaultNotKerosene();\n\n /*\n @notice Adds a vault to the dNFT position\n * @param id The ID of the dNFT for which the vault is being added.\n * @param vault The address of the vault contract to be added.\n /\n function add(uint id, address vault) external;\n\n /\n @notice Removes a vault from the dNFT position\n * @param id The ID of the dNFT for which the vault is being removed.\n * @param vault The address of the vault contract to be removed.\n /\n function remove(uint id, address vault) external;\n\n /\n @notice Allows a dNFT owner to deposit collateral into a vault\n * @param id The ID of the dNFT for which the deposit is being made.\n * @param vault The vault where the assets will be deposited.\n * @param amount The amount of assets to be deposited.\n /\n function deposit(uint id, address vault, uint amount) external;\n\n /\n @notice Allows a dNFT owner to withdraw collateral from a vault\n * @param id The ID of the dNFT for which the withdraw is being made.\n * @param vault The vault where the assets will be deposited.\n * @param amount The amount of assets to be deposited.\n * @param to The address where the assets will be sent.\n /\n function withdraw(uint id, address vault, uint amount, address to) external;\n\n /\n @notice Mint DYAD through a dNFT\n * @param id The ID of the dNFT for which the DYAD is being minted.\n * @param amount The amount of DYAD to be minted.\n * @param to The address where the DYAD will be sent.\n /\n function mintDyad(uint id, uint amount, address to) external;\n\n /\n @notice Burn DYAD through a dNFT\n * @param id The ID of the dNFT for which the DYAD is being burned.\n * @param amount The amount of DYAD to be burned.\n /\n function burnDyad(uint id, uint amount) external;\n\n /\n @notice Redeem DYAD through a dNFT\n * @param id The ID of the dNFT for which the DYAD is being redeemed.\n * @param vault Address of the vault through which the DYAD is being redeemed\n * for its underlying collateral.\n * @param amount The amount of DYAD to be redeemed.\n * @param to The address where the collateral will be sent.\n * @return The amount of collateral that was redeemed.\n /\n function redeemDyad(uint id, address vault, uint amount, address to) external returns (uint);\n\n /\n @notice Liquidate a dNFT\n * @param id The ID of the dNFT to be liquidated.\n * @param to The address where the collateral will be sent.\n /\n // function liquidate(uint id, uint to, uint amount) external;\n}\n" }, "lib/solmate/src/utils/FixedPointMathLib.sol": { "content": "// SPDX-License-Identifier: AGPL-3.0-only\npragma solidity >=0.8.0;\n\n/// @notice Arithmetic library with operations for fixed-point numbers.\n/// @author Solmate (https://github.com/transmissions11/solmate/blob/main/src/utils/FixedPointMathLib.sol)\n/// @author Inspired by USM (https://github.com/usmfum/USM/blob/master/contracts/WadMath.sol)\nlibrary FixedPointMathLib {\n ///////////////////////////////////////////////////////////////\n SIMPLIFIED FIXED POINT OPERATIONS\n ///////////////////////////////////////////////////////////////\n\n uint256 internal constant MAX_UINT256 = 2256 - 1;\n\n uint256 internal constant WAD = 1e18; // The scalar of ETH and most ERC20s.\n\n function mulWadDown(uint256 x, uint256 y) internal pure returns (uint256) {\n return mulDivDown(x, y, WAD); // Equivalent to (x y) / WAD rounded down.\n }\n\n function mulWadUp(uint256 x, uint256 y) internal pure returns (uint256) {\n return mulDivUp(x, y, WAD); // Equivalent to (x * y) / WAD rounded up.\n }\n\n function divWadDown(uint256 x, uint256 y) internal pure returns (uint256) {\n return mulDivDown(x, WAD, y); // Equivalent to (x * WAD) / y rounded down.\n }\n\n function divWadUp(uint256 x, uint256 y) internal pure returns (uint256) {\n return mulDivUp(x, WAD, y); // Equivalent to (x * WAD) / y rounded up.\n }\n\n ///////////////////////////////////////////////////////////////\n LOW LEVEL FIXED POINT OPERATIONS\n ///////////////////////////////////////////////////////////////\n\n function mulDivDown(\n uint256 x,\n uint256 y,\n uint256 denominator\n ) internal pure returns (uint256 z) {\n /// @solidity memory-safe-assembly\n assembly {\n // Equivalent to require(denominator != 0 && (y == 0 \|\| x <= type(uint256).max / y))\n if iszero(mul(denominator, iszero(mul(y, gt(x, div(MAX_UINT256, y)))))) {\n revert(0, 0)\n }\n\n // Divide x * y by the denominator.\n z := div(mul(x, y), denominator)\n }\n }\n\n function mulDivUp(\n uint256 x,\n uint256 y,\n uint256 denominator\n ) internal pure returns (uint256 z) {\n /// @solidity memory-safe-assembly\n assembly {\n // Equivalent to require(denominator != 0 && (y == 0 \|\| x <= type(uint256).max / y))\n if iszero(mul(denominator, iszero(mul(y, gt(x, div(MAX_UINT256, y)))))) {\n revert(0, 0)\n }\n\n // If x * y modulo the denominator is strictly greater than 0,\n // 1 is added to round up the division of x * y by the denominator.\n z := add(gt(mod(mul(x, y), denominator), 0), div(mul(x, y), denominator))\n }\n }\n\n function rpow(\n uint256 x,\n uint256 n,\n uint256 scalar\n ) internal pure returns (uint256 z) {\n /// @solidity memory-safe-assembly\n assembly {\n switch x\n case 0 {\n switch n\n case 0 {\n // 0 0 = 1\n z := scalar\n }\n default {\n // 0 n = 0\n z := 0\n }\n }\n default {\n switch mod(n, 2)\n case 0 {\n // If n is even, store scalar in z for now.\n z := scalar\n }\n default {\n // If n is odd, store x in z for now.\n z := x\n }\n\n // Shifting right by 1 is like dividing by 2.\n let half := shr(1, scalar)\n\n for {\n // Shift n right by 1 before looping to halve it.\n n := shr(1, n)\n } n {\n // Shift n right by 1 each iteration to halve it.\n n := shr(1, n)\n } {\n // Revert immediately if x ** 2 would overflow.\n // Equivalent to iszero(eq(div(xx, x), x)) here.\n if shr(128, x) {\n revert(0, 0)\n }\n\n // Store x squared.\n let xx := mul(x, x)\n\n // Round to the nearest number.\n let xxRound := add(xx, half)\n\n // Revert if xx + half overflowed.\n if lt(xxRound, xx) {\n revert(0, 0)\n }\n\n // Set x to scaled xxRound.\n x := div(xxRound, scalar)\n\n // If n is even:\n if mod(n, 2) {\n // Compute z * x.\n let zx := mul(z, x)\n\n // If z * x overflowed:\n if iszero(eq(div(zx, x), z)) {\n // Revert if x is non-zero.\n if iszero(iszero(x)) {\n revert(0, 0)\n }\n }\n\n // Round to the nearest number.\n let zxRound := add(zx, half)\n\n // Revert if zx + half overflowed.\n if lt(zxRound, zx) {\n revert(0, 0)\n }\n\n // Return properly scaled zxRound.\n z := div(zxRound, scalar)\n }\n }\n }\n }\n }\n\n ///////////////////////////////////////////////////////////////\n GENERAL NUMBER UTILITIES\n ///////////////////////////////////////////////////////////////\n\n function sqrt(uint256 x) internal pure returns (uint256 z) {\n /// @solidity memory-safe-assembly\n assembly {\n let y := x // We start y at x, which will help us make our initial estimate.\n\n z := 181 // The \"correct\" value is 1, but this saves a multiplication later.\n\n // This segment is to get a reasonable initial estimate for the Babylonian method. With a bad\n // start, the correct # of bits increases ~linearly each iteration instead of ~quadratically.\n\n // We check y >= 2^(k + 8) but shift right by k bits\n // each branch to ensure that if x >= 256, then y >= 256.\n if iszero(lt(y, 0x10000000000000000000000000000000000)) {\n y := shr(128, y)\n z := shl(64, z)\n }\n if iszero(lt(y, 0x1000000000000000000)) {\n y := shr(64, y)\n z := shl(32, z)\n }\n if iszero(lt(y, 0x10000000000)) {\n y := shr(32, y)\n z := shl(16, z)\n }\n if iszero(lt(y, 0x1000000)) {\n y := shr(16, y)\n z := shl(8, z)\n }\n\n // Goal was to get zzy within a small factor of x. More iterations could\n // get y in a tighter range. Currently, we will have y in [256, 2562^16).\n // We ensured y >= 256 so that the relative difference between y and y+1 is small.\n // That's not possible if x < 256 but we can just verify those cases exhaustively.\n\n // Now, zzy <= x < zz(y+1), and y <= 2^(16+8), and either y >= 256, or x < 256.\n // Correctness can be checked exhaustively for x < 256, so we assume y >= 256.\n // Then zsqrt(y) is within sqrt(257)/sqrt(256) of sqrt(x), or about 20bps.\n\n // For s in the range [1/256, 256], the estimate f(s) = (181/1024) * (s+1) is in the range\n // (1/2.84 * sqrt(s), 2.84 * sqrt(s)), with largest error when s = 1 and when s = 256 or 1/256.\n\n // Since y is in [256, 2562^16), let a = y/65536, so that a is in [1/256, 256). Then we can estimate\n // sqrt(y) using sqrt(65536) 181/1024 * (a + 1) = 181/4 * (y + 65536)/65536 = 181 * (y + 65536)/2^18.\n\n // There is no overflow risk here since y < 2^136 after the first branch above.\n z := shr(18, mul(z, add(y, 65536))) // A mul() is saved from starting z at 181.\n\n // Given the worst case multiplicative error of 2.84 above, 7 iterations should be enough.\n z := shr(1, add(z, div(x, z)))\n z := shr(1, add(z, div(x, z)))\n z := shr(1, add(z, div(x, z)))\n z := shr(1, add(z, div(x, z)))\n z := shr(1, add(z, div(x, z)))\n z := shr(1, add(z, div(x, z)))\n z := shr(1, add(z, div(x, z)))\n\n // If x+1 is a perfect square, the Babylonian method cycles between\n // floor(sqrt(x)) and ceil(sqrt(x)). This statement ensures we return floor.\n // See: https://en.wikipedia.org/wiki/Integer_square_root#Using_only_integer_division\n // Since the ceil is rare, we save gas on the assignment and repeat division in the rare case.\n // If you don't care whether the floor or ceil square root is returned, you can remove this statement.\n z := sub(z, lt(div(x, z), z))\n }\n }\n\n function unsafeMod(uint256 x, uint256 y) internal pure returns (uint256 z) {\n /// @solidity memory-safe-assembly\n assembly {\n // Mod x by y. Note this will return\n // 0 instead of reverting if y is zero.\n z := mod(x, y)\n }\n }\n\n function unsafeDiv(uint256 x, uint256 y) internal pure returns (uint256 r) {\n /// @solidity memory-safe-assembly\n assembly {\n // Divide x by y. Note this will return\n // 0 instead of reverting if y is zero.\n r := div(x, y)\n }\n }\n\n function unsafeDivUp(uint256 x, uint256 y) internal pure returns (uint256 z) {\n /// @solidity memory-safe-assembly\n assembly {\n // Add 1 to x * y if x % y > 0. Note this will\n // return 0 instead of reverting if y is zero.\n z := add(gt(mod(x, y), 0), div(x, y))\n }\n }\n}\n" }, "lib/solmate/src/tokens/ERC20.sol": { "content": "// SPDX-License-Identifier: AGPL-3.0-only\npragma solidity >=0.8.0;\n\n/// @notice Modern and gas efficient ERC20 + EIP-2612 implementation.\n/// @author Solmate (https://github.com/transmissions11/solmate/blob/main/src/tokens/ERC20.sol)\n/// @author Modified from Uniswap (https://github.com/Uniswap/uniswap-v2-core/blob/master/contracts/UniswapV2ERC20.sol)\n/// @dev Do not manually set balances without updating totalSupply, as the sum of all user balances must not exceed it.\nabstract contract ERC20 {\n ///////////////////////////////////////////////////////////////\n EVENTS\n ///////////////////////////////////////////////////////////////\n\n event Transfer(address indexed from, address indexed to, uint256 amount);\n\n event Approval(address indexed owner, address indexed spender, uint256 amount);\n\n ///////////////////////////////////////////////////////////////\n METADATA STORAGE\n ///////////////////////////////////////////////////////////////\n\n string public name;\n\n string public symbol;\n\n uint8 public immutable decimals;\n\n ///////////////////////////////////////////////////////////////\n ERC20 STORAGE\n ///////////////////////////////////////////////////////////////\n\n uint256 public totalSupply;\n\n mapping(address => uint256) public balanceOf;\n\n mapping(address => mapping(address => uint256)) public allowance;\n\n ///////////////////////////////////////////////////////////////\n EIP-2612 STORAGE\n ///////////////////////////////////////////////////////////////\n\n uint256 internal immutable INITIAL_CHAIN_ID;\n\n bytes32 internal immutable INITIAL_DOMAIN_SEPARATOR;\n\n mapping(address => uint256) public nonces;\n\n ///////////////////////////////////////////////////////////////\n CONSTRUCTOR\n ///////////////////////////////////////////////////////////////\n\n constructor(\n string memory _name,\n string memory _symbol,\n uint8 _decimals\n ) {\n name = _name;\n symbol = _symbol;\n decimals = _decimals;\n\n INITIAL_CHAIN_ID = block.chainid;\n INITIAL_DOMAIN_SEPARATOR = computeDomainSeparator();\n }\n\n ///////////////////////////////////////////////////////////////\n ERC20 LOGIC\n ///////////////////////////////////////////////////////////////\n\n function approve(address spender, uint256 amount) public virtual returns (bool) {\n allowance[msg.sender][spender] = amount;\n\n emit Approval(msg.sender, spender, amount);\n\n return true;\n }\n\n function transfer(address to, uint256 amount) public virtual returns (bool) {\n balanceOf[msg.sender] -= amount;\n\n // Cannot overflow because the sum of all user\n // balances can't exceed the max uint256 value.\n unchecked {\n balanceOf[to] += amount;\n }\n\n emit Transfer(msg.sender, to, amount);\n\n return true;\n }\n\n function transferFrom(\n address from,\n address to,\n uint256 amount\n ) public virtual returns (bool) {\n uint256 allowed = allowance[from][msg.sender]; // Saves gas for limited approvals.\n\n if (allowed != type(uint256).max) allowance[from][msg.sender] = allowed - amount;\n\n balanceOf[from] -= amount;\n\n // Cannot overflow because the sum of all user\n // balances can't exceed the max uint256 value.\n unchecked {\n balanceOf[to] += amount;\n }\n\n emit Transfer(from, to, amount);\n\n return true;\n }\n\n ///////////////////////////////////////////////////////////////\n EIP-2612 LOGIC\n ///////////////////////////////////////////////////////////////\n\n function permit(\n address owner,\n address spender,\n uint256 value,\n uint256 deadline,\n uint8 v,\n bytes32 r,\n bytes32 s\n ) public virtual {\n require(deadline >= block.timestamp, \"PERMIT_DEADLINE_EXPIRED\");\n\n // Unchecked because the only math done is incrementing\n // the owner's nonce which cannot realistically overflow.\n unchecked {\n address recoveredAddress = ecrecover(\n keccak256(\n abi.encodePacked(\n \"\\x19\\x01\",\n DOMAIN_SEPARATOR(),\n keccak256(\n abi.encode(\n keccak256(\n \"Permit(address owner,address spender,uint256 value,uint256 nonce,uint256 deadline)\"\n ),\n owner,\n spender,\n value,\n nonces[owner]++,\n deadline\n )\n )\n )\n ),\n v,\n r,\n s\n );\n\n require(recoveredAddress != address(0) && recoveredAddress == owner, \"INVALID_SIGNER\");\n\n allowance[recoveredAddress][spender] = value;\n }\n\n emit Approval(owner, spender, value);\n }\n\n function DOMAIN_SEPARATOR() public view virtual returns (bytes32) {\n return block.chainid == INITIAL_CHAIN_ID ? INITIAL_DOMAIN_SEPARATOR : computeDomainSeparator();\n }\n\n function computeDomainSeparator() internal view virtual returns (bytes32) {\n return\n keccak256(\n abi.encode(\n keccak256(\"EIP712Domain(string name,string version,uint256 chainId,address verifyingContract)\"),\n keccak256(bytes(name)),\n keccak256(\"1\"),\n block.chainid,\n address(this)\n )\n );\n }\n\n ///////////////////////////////////////////////////////////////\n INTERNAL MINT/BURN LOGIC\n ///////////////////////////////////////////////////////////////\n\n function _mint(address to, uint256 amount) internal virtual {\n totalSupply += amount;\n\n // Cannot overflow because the sum of all user\n // balances can't exceed the max uint256 value.\n unchecked {\n balanceOf[to] += amount;\n }\n\n emit Transfer(address(0), to, amount);\n }\n\n function _burn(address from, uint256 amount) internal virtual {\n balanceOf[from] -= amount;\n\n // Cannot underflow because a user's balance\n // will never be larger than the total supply.\n unchecked {\n totalSupply -= amount;\n }\n\n emit Transfer(from, address(0), amount);\n }\n}\n" }, "lib/solmate/src/utils/SafeTransferLib.sol": { "content": "// SPDX-License-Identifier: AGPL-3.0-only\npragma solidity >=0.8.0;\n\nimport {ERC20} from \"../tokens/ERC20.sol\";\n\n/// @notice Safe ETH and ERC20 transfer library that gracefully handles missing return values.\n/// @author Solmate (https://github.com/transmissions11/solmate/blob/main/src/utils/SafeTransferLib.sol)\n/// @dev Use with caution! Some functions in this library knowingly create dirty bits at the destination of the free memory pointer.\n/// @dev Note that none of the functions in this library check that a token has code at all! That responsibility is delegated to the caller.\nlibrary SafeTransferLib {\n ///////////////////////////////////////////////////////////////\n ETH OPERATIONS\n ///////////////////////////////////////////////////////////////\n\n function safeTransferETH(address to, uint256 amount) internal {\n bool success;\n\n /// @solidity memory-safe-assembly\n assembly {\n // Transfer the ETH and store if it succeeded or not.\n success := call(gas(), to, amount, 0, 0, 0, 0)\n }\n\n require(success, \"ETH_TRANSFER_FAILED\");\n }\n\n ///////////////////////////////////////////////////////////////\n ERC20 OPERATIONS\n ///////////////////////////////////////////////////////////////\n\n function safeTransferFrom(\n ERC20 token,\n address from,\n address to,\n uint256 amount\n ) internal {\n bool success;\n\n /// @solidity memory-safe-assembly\n assembly {\n // Get a pointer to some free memory.\n let freeMemoryPointer := mload(0x40)\n\n // Write the abi-encoded calldata into memory, beginning with the function selector.\n mstore(freeMemoryPointer, 0x23b872dd00000000000000000000000000000000000000000000000000000000)\n mstore(add(freeMemoryPointer, 4), from) // Append the \"from\" argument.\n mstore(add(freeMemoryPointer, 36), to) // Append the \"to\" argument.\n mstore(add(freeMemoryPointer, 68), amount) // Append the \"amount\" argument.\n\n success := and(\n // Set success to whether the call reverted, if not we check it either\n // returned exactly 1 (can't just be non-zero data), or had no return data.\n or(and(eq(mload(0), 1), gt(returndatasize(), 31)), iszero(returndatasize())),\n // We use 100 because the length of our calldata totals up like so: 4 + 32 * 3.\n // We use 0 and 32 to copy up to 32 bytes of return data into the scratch space.\n // Counterintuitively, this call must be positioned second to the or() call in the\n // surrounding and() call or else returndatasize() will be zero during the computation.\n call(gas(), token, 0, freeMemoryPointer, 100, 0, 32)\n )\n }\n\n require(success, \"TRANSFER_FROM_FAILED\");\n }\n\n function safeTransfer(\n ERC20 token,\n address to,\n uint256 amount\n ) internal {\n bool success;\n\n /// @solidity memory-safe-assembly\n assembly {\n // Get a pointer to some free memory.\n let freeMemoryPointer := mload(0x40)\n\n // Write the abi-encoded calldata into memory, beginning with the function selector.\n mstore(freeMemoryPointer, 0xa9059cbb00000000000000000000000000000000000000000000000000000000)\n mstore(add(freeMemoryPointer, 4), to) // Append the \"to\" argument.\n mstore(add(freeMemoryPointer, 36), amount) // Append the \"amount\" argument.\n\n success := and(\n // Set success to whether the call reverted, if not we check it either\n // returned exactly 1 (can't just be non-zero data), or had no return data.\n or(and(eq(mload(0), 1), gt(returndatasize(), 31)), iszero(returndatasize())),\n // We use 68 because the length of our calldata totals up like so: 4 + 32 * 2.\n // We use 0 and 32 to copy up to 32 bytes of return data into the scratch space.\n // Counterintuitively, this call must be positioned second to the or() call in the\n // surrounding and() call or else returndatasize() will be zero during the computation.\n call(gas(), token, 0, freeMemoryPointer, 68, 0, 32)\n )\n }\n\n require(success, \"TRANSFER_FAILED\");\n }\n\n function safeApprove(\n ERC20 token,\n address to,\n uint256 amount\n ) internal {\n bool success;\n\n /// @solidity memory-safe-assembly\n assembly {\n // Get a pointer to some free memory.\n let freeMemoryPointer := mload(0x40)\n\n // Write the abi-encoded calldata into memory, beginning with the function selector.\n mstore(freeMemoryPointer, 0x095ea7b300000000000000000000000000000000000000000000000000000000)\n mstore(add(freeMemoryPointer, 4), to) // Append the \"to\" argument.\n mstore(add(freeMemoryPointer, 36), amount) // Append the \"amount\" argument.\n\n success := and(\n // Set success to whether the call reverted, if not we check it either\n // returned exactly 1 (can't just be non-zero data), or had no return data.\n or(and(eq(mload(0), 1), gt(returndatasize(), 31)), iszero(returndatasize())),\n // We use 68 because the length of our calldata totals up like so: 4 + 32 * 2.\n // We use 0 and 32 to copy up to 32 bytes of return data into the scratch space.\n // Counterintuitively, this call must be positioned second to the or() call in the\n // surrounding and() call or else returndatasize() will be zero during the computation.\n call(gas(), token, 0, freeMemoryPointer, 68, 0, 32)\n )\n }\n\n require(success, \"APPROVE_FAILED\");\n }\n}\n" }, "lib/openzeppelin-contracts-upgradeable/lib/openzeppelin-contracts/contracts/utils/structs/EnumerableSet.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.0.0) (utils/structs/EnumerableSet.sol)\n// This file was procedurally generated from scripts/generate/templates/EnumerableSet.js.\n\npragma solidity ^0.8.20;\n\n/*\n @dev Library for managing\n * https://en.wikipedia.org/wiki/Set_(abstract_data_type)[sets] of primitive\n * types.\n \n Sets have the following properties:\n \n - Elements are added, removed, and checked for existence in constant time\n * (O(1)).\n * - Elements are enumerated in O(n). No guarantees are made on the ordering.\n \n ```solidity\n * contract Example {\n * // Add the library methods\n * using EnumerableSet for EnumerableSet.AddressSet;\n \n // Declare a set state variable\n * EnumerableSet.AddressSet private mySet;\n * }\n * ```\n \n As of v3.3.0, sets of type `bytes32` (`Bytes32Set`), `address` (`AddressSet`)\n * and `uint256` (`UintSet`) are supported.\n \n [WARNING]\n * ====\n * Trying to delete such a structure from storage will likely result in data corruption, rendering the structure\n * unusable.\n * See https://github.com/ethereum/solidity/pull/11843[ethereum/solidity#11843] for more info.\n \n In order to clean an EnumerableSet, you can either remove all elements one by one or create a fresh instance using an\n * array of EnumerableSet.\n * ====\n /\nlibrary EnumerableSet {\n // To implement this library for multiple types with as little code\n // repetition as possible, we write it in terms of a generic Set type with\n // bytes32 values.\n // The Set implementation uses private functions, and user-facing\n // implementations (such as AddressSet) are just wrappers around the\n // underlying Set.\n // This means that we can only create new EnumerableSets for types that fit\n // in bytes32.\n\n struct Set {\n // Storage of set values\n bytes32[] _values;\n // Position is the index of the value in the `values` array plus 1.\n // Position 0 is used to mean a value is not in the set.\n mapping(bytes32 value => uint256) _positions;\n }\n\n /\n @dev Add a value to a set. O(1).\n \n Returns true if the value was added to the set, that is if it was not\n * already present.\n /\n function _add(Set storage set, bytes32 value) private returns (bool) {\n if (!_contains(set, value)) {\n set._values.push(value);\n // The value is stored at length-1, but we add 1 to all indexes\n // and use 0 as a sentinel value\n set._positions[value] = set._values.length;\n return true;\n } else {\n return false;\n }\n }\n\n /\n @dev Removes a value from a set. O(1).\n \n Returns true if the value was removed from the set, that is if it was\n * present.\n /\n function _remove(Set storage set, bytes32 value) private returns (bool) {\n // We cache the value's position to prevent multiple reads from the same storage slot\n uint256 position = set._positions[value];\n\n if (position != 0) {\n // Equivalent to contains(set, value)\n // To delete an element from the _values array in O(1), we swap the element to delete with the last one in\n // the array, and then remove the last element (sometimes called as 'swap and pop').\n // This modifies the order of the array, as noted in {at}.\n\n uint256 valueIndex = position - 1;\n uint256 lastIndex = set._values.length - 1;\n\n if (valueIndex != lastIndex) {\n bytes32 lastValue = set._values[lastIndex];\n\n // Move the lastValue to the index where the value to delete is\n set._values[valueIndex] = lastValue;\n // Update the tracked position of the lastValue (that was just moved)\n set._positions[lastValue] = position;\n }\n\n // Delete the slot where the moved value was stored\n set._values.pop();\n\n // Delete the tracked position for the deleted slot\n delete set._positions[value];\n\n return true;\n } else {\n return false;\n }\n }\n\n /\n @dev Returns true if the value is in the set. O(1).\n /\n function _contains(Set storage set, bytes32 value) private view returns (bool) {\n return set._positions[value] != 0;\n }\n\n /\n @dev Returns the number of values on the set. O(1).\n /\n function _length(Set storage set) private view returns (uint256) {\n return set._values.length;\n }\n\n /\n @dev Returns the value stored at position `index` in the set. O(1).\n \n Note that there are no guarantees on the ordering of values inside the\n * array, and it may change when more values are added or removed.\n \n Requirements:\n \n - `index` must be strictly less than {length}.\n /\n function _at(Set storage set, uint256 index) private view returns (bytes32) {\n return set._values[index];\n }\n\n /\n @dev Return the entire set in an array\n \n WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed\n * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that\n * this function has an unbounded cost, and using it as part of a state-changing function may render the function\n * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block.\n /\n function _values(Set storage set) private view returns (bytes32[] memory) {\n return set._values;\n }\n\n // Bytes32Set\n\n struct Bytes32Set {\n Set _inner;\n }\n\n /\n @dev Add a value to a set. O(1).\n \n Returns true if the value was added to the set, that is if it was not\n * already present.\n /\n function add(Bytes32Set storage set, bytes32 value) internal returns (bool) {\n return _add(set._inner, value);\n }\n\n /\n @dev Removes a value from a set. O(1).\n \n Returns true if the value was removed from the set, that is if it was\n * present.\n /\n function remove(Bytes32Set storage set, bytes32 value) internal returns (bool) {\n return _remove(set._inner, value);\n }\n\n /\n @dev Returns true if the value is in the set. O(1).\n /\n function contains(Bytes32Set storage set, bytes32 value) internal view returns (bool) {\n return _contains(set._inner, value);\n }\n\n /\n @dev Returns the number of values in the set. O(1).\n /\n function length(Bytes32Set storage set) internal view returns (uint256) {\n return _length(set._inner);\n }\n\n /\n @dev Returns the value stored at position `index` in the set. O(1).\n \n Note that there are no guarantees on the ordering of values inside the\n * array, and it may change when more values are added or removed.\n \n Requirements:\n \n - `index` must be strictly less than {length}.\n /\n function at(Bytes32Set storage set, uint256 index) internal view returns (bytes32) {\n return _at(set._inner, index);\n }\n\n /\n @dev Return the entire set in an array\n \n WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed\n * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that\n * this function has an unbounded cost, and using it as part of a state-changing function may render the function\n * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block.\n /\n function values(Bytes32Set storage set) internal view returns (bytes32[] memory) {\n bytes32[] memory store = _values(set._inner);\n bytes32[] memory result;\n\n /// @solidity memory-safe-assembly\n assembly {\n result := store\n }\n\n return result;\n }\n\n // AddressSet\n\n struct AddressSet {\n Set _inner;\n }\n\n /\n @dev Add a value to a set. O(1).\n \n Returns true if the value was added to the set, that is if it was not\n * already present.\n /\n function add(AddressSet storage set, address value) internal returns (bool) {\n return _add(set._inner, bytes32(uint256(uint160(value))));\n }\n\n /\n @dev Removes a value from a set. O(1).\n \n Returns true if the value was removed from the set, that is if it was\n * present.\n /\n function remove(AddressSet storage set, address value) internal returns (bool) {\n return _remove(set._inner, bytes32(uint256(uint160(value))));\n }\n\n /\n @dev Returns true if the value is in the set. O(1).\n /\n function contains(AddressSet storage set, address value) internal view returns (bool) {\n return _contains(set._inner, bytes32(uint256(uint160(value))));\n }\n\n /\n @dev Returns the number of values in the set. O(1).\n /\n function length(AddressSet storage set) internal view returns (uint256) {\n return _length(set._inner);\n }\n\n /\n @dev Returns the value stored at position `index` in the set. O(1).\n \n Note that there are no guarantees on the ordering of values inside the\n * array, and it may change when more values are added or removed.\n \n Requirements:\n \n - `index` must be strictly less than {length}.\n /\n function at(AddressSet storage set, uint256 index) internal view returns (address) {\n return address(uint160(uint256(_at(set._inner, index))));\n }\n\n /\n @dev Return the entire set in an array\n \n WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed\n * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that\n * this function has an unbounded cost, and using it as part of a state-changing function may render the function\n * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block.\n /\n function values(AddressSet storage set) internal view returns (address[] memory) {\n bytes32[] memory store = _values(set._inner);\n address[] memory result;\n\n /// @solidity memory-safe-assembly\n assembly {\n result := store\n }\n\n return result;\n }\n\n // UintSet\n\n struct UintSet {\n Set _inner;\n }\n\n /\n @dev Add a value to a set. O(1).\n \n Returns true if the value was added to the set, that is if it was not\n * already present.\n /\n function add(UintSet storage set, uint256 value) internal returns (bool) {\n return _add(set._inner, bytes32(value));\n }\n\n /\n @dev Removes a value from a set. O(1).\n \n Returns true if the value was removed from the set, that is if it was\n * present.\n /\n function remove(UintSet storage set, uint256 value) internal returns (bool) {\n return _remove(set._inner, bytes32(value));\n }\n\n /\n @dev Returns true if the value is in the set. O(1).\n /\n function contains(UintSet storage set, uint256 value) internal view returns (bool) {\n return _contains(set._inner, bytes32(value));\n }\n\n /\n @dev Returns the number of values in the set. O(1).\n /\n function length(UintSet storage set) internal view returns (uint256) {\n return _length(set._inner);\n }\n\n /\n @dev Returns the value stored at position `index` in the set. O(1).\n \n Note that there are no guarantees on the ordering of values inside the\n * array, and it may change when more values are added or removed.\n \n Requirements:\n \n - `index` must be strictly less than {length}.\n /\n function at(UintSet storage set, uint256 index) internal view returns (uint256) {\n return uint256(_at(set._inner, index));\n }\n\n /\n @dev Return the entire set in an array\n \n WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed\n * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that\n * this function has an unbounded cost, and using it as part of a state-changing function may render the function\n * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block.\n /\n function values(UintSet storage set) internal view returns (uint256[] memory) {\n bytes32[] memory store = _values(set._inner);\n uint256[] memory result;\n\n /// @solidity memory-safe-assembly\n assembly {\n result := store\n }\n\n return result;\n }\n}\n" }, "lib/openzeppelin-contracts-upgradeable/lib/openzeppelin-contracts/contracts/proxy/ERC1967/ERC1967Proxy.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.0.0) (proxy/ERC1967/ERC1967Proxy.sol)\n\npragma solidity ^0.8.20;\n\nimport {Proxy} from \"../Proxy.sol\";\nimport {ERC1967Utils} from \"./ERC1967Utils.sol\";\n\n/\n @dev This contract implements an upgradeable proxy. It is upgradeable because calls are delegated to an\n * implementation address that can be changed. This address is stored in storage in the location specified by\n * https://eips.ethereum.org/EIPS/eip-1967[EIP1967], so that it doesn't conflict with the storage layout of the\n * implementation behind the proxy.\n /\ncontract ERC1967Proxy is Proxy {\n /\n @dev Initializes the upgradeable proxy with an initial implementation specified by `implementation`.\n \n If `_data` is nonempty, it's used as data in a delegate call to `implementation`. This will typically be an\n * encoded function call, and allows initializing the storage of the proxy like a Solidity constructor.\n \n Requirements:\n \n - If `data` is empty, `msg.value` must be zero.\n /\n constructor(address implementation, bytes memory _data) payable {\n ERC1967Utils.upgradeToAndCall(implementation, _data);\n }\n\n /\n @dev Returns the current implementation address.\n \n TIP: To get this value clients can read directly from the storage slot shown below (specified by EIP1967) using\n * the https://eth.wiki/json-rpc/API#eth_getstorageat[`eth_getStorageAt`] RPC call.\n * `0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc`\n /\n function _implementation() internal view virtual override returns (address) {\n return ERC1967Utils.getImplementation();\n }\n}\n" }, "lib/openzeppelin-contracts-upgradeable/contracts/access/OwnableUpgradeable.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.0.0) (access/Ownable.sol)\n\npragma solidity ^0.8.20;\n\nimport {ContextUpgradeable} from \"../utils/ContextUpgradeable.sol\";\nimport {Initializable} from \"../proxy/utils/Initializable.sol\";\n\n/\n @dev Contract module which provides a basic access control mechanism, where\n * there is an account (an owner) that can be granted exclusive access to\n * specific functions.\n \n The initial owner is set to the address provided by the deployer. This can\n * later be changed with {transferOwnership}.\n \n This module is used through inheritance. It will make available the modifier\n * `onlyOwner`, which can be applied to your functions to restrict their use to\n * the owner.\n /\nabstract contract OwnableUpgradeable is Initializable, ContextUpgradeable {\n /// @custom:storage-location erc7201:openzeppelin.storage.Ownable\n struct OwnableStorage {\n address _owner;\n }\n\n // keccak256(abi.encode(uint256(keccak256(\"openzeppelin.storage.Ownable\")) - 1)) & ~bytes32(uint256(0xff))\n bytes32 private constant OwnableStorageLocation = 0x9016d09d72d40fdae2fd8ceac6b6234c7706214fd39c1cd1e609a0528c199300;\n\n function _getOwnableStorage() private pure returns (OwnableStorage storage $) {\n assembly {\n $.slot := OwnableStorageLocation\n }\n }\n\n /\n @dev The caller account is not authorized to perform an operation.\n /\n error OwnableUnauthorizedAccount(address account);\n\n /\n @dev The owner is not a valid owner account. (eg. `address(0)`)\n /\n error OwnableInvalidOwner(address owner);\n\n event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);\n\n /\n @dev Initializes the contract setting the address provided by the deployer as the initial owner.\n /\n function __Ownable_init(address initialOwner) internal onlyInitializing {\n __Ownable_init_unchained(initialOwner);\n }\n\n function __Ownable_init_unchained(address initialOwner) internal onlyInitializing {\n if (initialOwner == address(0)) {\n revert OwnableInvalidOwner(address(0));\n }\n _transferOwnership(initialOwner);\n }\n\n /\n @dev Throws if called by any account other than the owner.\n /\n modifier onlyOwner() {\n _checkOwner();\n _;\n }\n\n /\n @dev Returns the address of the current owner.\n /\n function owner() public view virtual returns (address) {\n OwnableStorage storage $ = _getOwnableStorage();\n return $._owner;\n }\n\n /\n @dev Throws if the sender is not the owner.\n /\n function _checkOwner() internal view virtual {\n if (owner() != _msgSender()) {\n revert OwnableUnauthorizedAccount(_msgSender());\n }\n }\n\n /\n @dev Leaves the contract without owner. It will not be possible to call\n * `onlyOwner` functions. Can only be called by the current owner.\n \n NOTE: Renouncing ownership will leave the contract without an owner,\n * thereby disabling any functionality that is only available to the owner.\n /\n function renounceOwnership() public virtual onlyOwner {\n _transferOwnership(address(0));\n }\n\n /\n @dev Transfers ownership of the contract to a new account (`newOwner`).\n * Can only be called by the current owner.\n /\n function transferOwnership(address newOwner) public virtual onlyOwner {\n if (newOwner == address(0)) {\n revert OwnableInvalidOwner(address(0));\n }\n _transferOwnership(newOwner);\n }\n\n /\n @dev Transfers ownership of the contract to a new account (`newOwner`).\n * Internal function without access restriction.\n /\n function _transferOwnership(address newOwner) internal virtual {\n OwnableStorage storage $ = _getOwnableStorage();\n address oldOwner = $._owner;\n $._owner = newOwner;\n emit OwnershipTransferred(oldOwner, newOwner);\n }\n}\n" }, "lib/openzeppelin-contracts-upgradeable/contracts/proxy/utils/UUPSUpgradeable.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.0.0) (proxy/utils/UUPSUpgradeable.sol)\n\npragma solidity ^0.8.20;\n\nimport {IERC1822Proxiable} from \"@openzeppelin/contracts/interfaces/draft-IERC1822.sol\";\nimport {ERC1967Utils} from \"@openzeppelin/contracts/proxy/ERC1967/ERC1967Utils.sol\";\nimport {Initializable} from \"./Initializable.sol\";\n\n/\n @dev An upgradeability mechanism designed for UUPS proxies. The functions included here can perform an upgrade of an\n * {ERC1967Proxy}, when this contract is set as the implementation behind such a proxy.\n \n A security mechanism ensures that an upgrade does not turn off upgradeability accidentally, although this risk is\n * reinstated if the upgrade retains upgradeability but removes the security mechanism, e.g. by replacing\n * `UUPSUpgradeable` with a custom implementation of upgrades.\n \n The {_authorizeUpgrade} function must be overridden to include access restriction to the upgrade mechanism.\n /\nabstract contract UUPSUpgradeable is Initializable, IERC1822Proxiable {\n /// @custom:oz-upgrades-unsafe-allow state-variable-immutable\n address private immutable __self = address(this);\n\n /\n @dev The version of the upgrade interface of the contract. If this getter is missing, both `upgradeTo(address)`\n * and `upgradeToAndCall(address,bytes)` are present, and `upgradeTo` must be used if no function should be called,\n * while `upgradeToAndCall` will invoke the `receive` function if the second argument is the empty byte string.\n * If the getter returns `\"5.0.0\"`, only `upgradeToAndCall(address,bytes)` is present, and the second argument must\n * be the empty byte string if no function should be called, making it impossible to invoke the `receive` function\n * during an upgrade.\n /\n string public constant UPGRADE_INTERFACE_VERSION = \"5.0.0\";\n\n /\n @dev The call is from an unauthorized context.\n /\n error UUPSUnauthorizedCallContext();\n\n /\n @dev The storage `slot` is unsupported as a UUID.\n /\n error UUPSUnsupportedProxiableUUID(bytes32 slot);\n\n /\n @dev Check that the execution is being performed through a delegatecall call and that the execution context is\n * a proxy contract with an implementation (as defined in ERC1967) pointing to self. This should only be the case\n * for UUPS and transparent proxies that are using the current contract as their implementation. Execution of a\n * function through ERC1167 minimal proxies (clones) would not normally pass this test, but is not guaranteed to\n * fail.\n /\n modifier onlyProxy() {\n _checkProxy();\n _;\n }\n\n /\n @dev Check that the execution is not being performed through a delegate call. This allows a function to be\n * callable on the implementing contract but not through proxies.\n /\n modifier notDelegated() {\n _checkNotDelegated();\n _;\n }\n\n function __UUPSUpgradeable_init() internal onlyInitializing {\n }\n\n function __UUPSUpgradeable_init_unchained() internal onlyInitializing {\n }\n /\n @dev Implementation of the ERC1822 {proxiableUUID} function. This returns the storage slot used by the\n * implementation. It is used to validate the implementation's compatibility when performing an upgrade.\n \n IMPORTANT: A proxy pointing at a proxiable contract should not be considered proxiable itself, because this risks\n * bricking a proxy that upgrades to it, by delegating to itself until out of gas. Thus it is critical that this\n * function revert if invoked through a proxy. This is guaranteed by the `notDelegated` modifier.\n /\n function proxiableUUID() external view virtual notDelegated returns (bytes32) {\n return ERC1967Utils.IMPLEMENTATION_SLOT;\n }\n\n /\n @dev Upgrade the implementation of the proxy to `newImplementation`, and subsequently execute the function call\n * encoded in `data`.\n \n Calls {_authorizeUpgrade}.\n \n Emits an {Upgraded} event.\n \n @custom:oz-upgrades-unsafe-allow-reachable delegatecall\n /\n function upgradeToAndCall(address newImplementation, bytes memory data) public payable virtual onlyProxy {\n _authorizeUpgrade(newImplementation);\n _upgradeToAndCallUUPS(newImplementation, data);\n }\n\n /\n @dev Reverts if the execution is not performed via delegatecall or the execution\n * context is not of a proxy with an ERC1967-compliant implementation pointing to self.\n * See {_onlyProxy}.\n /\n function _checkProxy() internal view virtual {\n if (\n address(this) == __self \|\| // Must be called through delegatecall\n ERC1967Utils.getImplementation() != __self // Must be called through an active proxy\n ) {\n revert UUPSUnauthorizedCallContext();\n }\n }\n\n /\n @dev Reverts if the execution is performed via delegatecall.\n * See {notDelegated}.\n /\n function _checkNotDelegated() internal view virtual {\n if (address(this) != __self) {\n // Must not be called through delegatecall\n revert UUPSUnauthorizedCallContext();\n }\n }\n\n /\n @dev Function that should revert when `msg.sender` is not authorized to upgrade the contract. Called by\n * {upgradeToAndCall}.\n \n Normally, this function will use an xref:access.adoc[access control] modifier such as {Ownable-onlyOwner}.\n \n ```solidity\n * function _authorizeUpgrade(address) internal onlyOwner {}\n * ```\n /\n function _authorizeUpgrade(address newImplementation) internal virtual;\n\n /\n @dev Performs an implementation upgrade with a security check for UUPS proxies, and additional setup call.\n \n As a security check, {proxiableUUID} is invoked in the new implementation, and the return value\n * is expected to be the implementation slot in ERC1967.\n \n Emits an {IERC1967-Upgraded} event.\n /\n function _upgradeToAndCallUUPS(address newImplementation, bytes memory data) private {\n try IERC1822Proxiable(newImplementation).proxiableUUID() returns (bytes32 slot) {\n if (slot != ERC1967Utils.IMPLEMENTATION_SLOT) {\n revert UUPSUnsupportedProxiableUUID(slot);\n }\n ERC1967Utils.upgradeToAndCall(newImplementation, data);\n } catch {\n // The implementation is not UUPS\n revert ERC1967Utils.ERC1967InvalidImplementation(newImplementation);\n }\n }\n}\n" }, "lib/openzeppelin-contracts-upgradeable/lib/openzeppelin-contracts/contracts/token/ERC721/extensions/ERC721Enumerable.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.0.0) (token/ERC721/extensions/ERC721Enumerable.sol)\n\npragma solidity ^0.8.20;\n\nimport {ERC721} from \"../ERC721.sol\";\nimport {IERC721Enumerable} from \"./IERC721Enumerable.sol\";\nimport {IERC165} from \"../../../utils/introspection/ERC165.sol\";\n\n/\n @dev This implements an optional extension of {ERC721} defined in the EIP that adds enumerability\n * of all the token ids in the contract as well as all token ids owned by each account.\n \n CAUTION: `ERC721` extensions that implement custom `balanceOf` logic, such as `ERC721Consecutive`,\n * interfere with enumerability and should not be used together with `ERC721Enumerable`.\n /\nabstract contract ERC721Enumerable is ERC721, IERC721Enumerable {\n mapping(address owner => mapping(uint256 index => uint256)) private _ownedTokens;\n mapping(uint256 tokenId => uint256) private _ownedTokensIndex;\n\n uint256[] private _allTokens;\n mapping(uint256 tokenId => uint256) private _allTokensIndex;\n\n /\n @dev An `owner`'s token query was out of bounds for `index`.\n \n NOTE: The owner being `address(0)` indicates a global out of bounds index.\n /\n error ERC721OutOfBoundsIndex(address owner, uint256 index);\n\n /\n @dev Batch mint is not allowed.\n /\n error ERC721EnumerableForbiddenBatchMint();\n\n /\n @dev See {IERC165-supportsInterface}.\n /\n function supportsInterface(bytes4 interfaceId) public view virtual override(IERC165, ERC721) returns (bool) {\n return interfaceId == type(IERC721Enumerable).interfaceId \|\| super.supportsInterface(interfaceId);\n }\n\n /\n @dev See {IERC721Enumerable-tokenOfOwnerByIndex}.\n /\n function tokenOfOwnerByIndex(address owner, uint256 index) public view virtual returns (uint256) {\n if (index >= balanceOf(owner)) {\n revert ERC721OutOfBoundsIndex(owner, index);\n }\n return _ownedTokens[owner][index];\n }\n\n /\n @dev See {IERC721Enumerable-totalSupply}.\n /\n function totalSupply() public view virtual returns (uint256) {\n return _allTokens.length;\n }\n\n /\n @dev See {IERC721Enumerable-tokenByIndex}.\n /\n function tokenByIndex(uint256 index) public view virtual returns (uint256) {\n if (index >= totalSupply()) {\n revert ERC721OutOfBoundsIndex(address(0), index);\n }\n return _allTokens[index];\n }\n\n /\n @dev See {ERC721-_update}.\n /\n function _update(address to, uint256 tokenId, address auth) internal virtual override returns (address) {\n address previousOwner = super._update(to, tokenId, auth);\n\n if (previousOwner == address(0)) {\n _addTokenToAllTokensEnumeration(tokenId);\n } else if (previousOwner != to) {\n _removeTokenFromOwnerEnumeration(previousOwner, tokenId);\n }\n if (to == address(0)) {\n _removeTokenFromAllTokensEnumeration(tokenId);\n } else if (previousOwner != to) {\n _addTokenToOwnerEnumeration(to, tokenId);\n }\n\n return previousOwner;\n }\n\n /\n @dev Private function to add a token to this extension's ownership-tracking data structures.\n * @param to address representing the new owner of the given token ID\n * @param tokenId uint256 ID of the token to be added to the tokens list of the given address\n /\n function _addTokenToOwnerEnumeration(address to, uint256 tokenId) private {\n uint256 length = balanceOf(to) - 1;\n _ownedTokens[to][length] = tokenId;\n _ownedTokensIndex[tokenId] = length;\n }\n\n /\n @dev Private function to add a token to this extension's token tracking data structures.\n * @param tokenId uint256 ID of the token to be added to the tokens list\n /\n function _addTokenToAllTokensEnumeration(uint256 tokenId) private {\n _allTokensIndex[tokenId] = _allTokens.length;\n _allTokens.push(tokenId);\n }\n\n /\n @dev Private function to remove a token from this extension's ownership-tracking data structures. Note that\n * while the token is not assigned a new owner, the `_ownedTokensIndex` mapping is _not_ updated: this allows for\n * gas optimizations e.g. when performing a transfer operation (avoiding double writes).\n * This has O(1) time complexity, but alters the order of the _ownedTokens array.\n * @param from address representing the previous owner of the given token ID\n * @param tokenId uint256 ID of the token to be removed from the tokens list of the given address\n /\n function _removeTokenFromOwnerEnumeration(address from, uint256 tokenId) private {\n // To prevent a gap in from's tokens array, we store the last token in the index of the token to delete, and\n // then delete the last slot (swap and pop).\n\n uint256 lastTokenIndex = balanceOf(from);\n uint256 tokenIndex = _ownedTokensIndex[tokenId];\n\n // When the token to delete is the last token, the swap operation is unnecessary\n if (tokenIndex != lastTokenIndex) {\n uint256 lastTokenId = _ownedTokens[from][lastTokenIndex];\n\n _ownedTokens[from][tokenIndex] = lastTokenId; // Move the last token to the slot of the to-delete token\n _ownedTokensIndex[lastTokenId] = tokenIndex; // Update the moved token's index\n }\n\n // This also deletes the contents at the last position of the array\n delete _ownedTokensIndex[tokenId];\n delete _ownedTokens[from][lastTokenIndex];\n }\n\n /\n @dev Private function to remove a token from this extension's token tracking data structures.\n * This has O(1) time complexity, but alters the order of the _allTokens array.\n * @param tokenId uint256 ID of the token to be removed from the tokens list\n /\n function _removeTokenFromAllTokensEnumeration(uint256 tokenId) private {\n // To prevent a gap in the tokens array, we store the last token in the index of the token to delete, and\n // then delete the last slot (swap and pop).\n\n uint256 lastTokenIndex = _allTokens.length - 1;\n uint256 tokenIndex = _allTokensIndex[tokenId];\n\n // When the token to delete is the last token, the swap operation is unnecessary. However, since this occurs so\n // rarely (when the last minted token is burnt) that we still do the swap here to avoid the gas cost of adding\n // an 'if' statement (like in _removeTokenFromOwnerEnumeration)\n uint256 lastTokenId = _allTokens[lastTokenIndex];\n\n _allTokens[tokenIndex] = lastTokenId; // Move the last token to the slot of the to-delete token\n _allTokensIndex[lastTokenId] = tokenIndex; // Update the moved token's index\n\n // This also deletes the contents at the last position of the array\n delete _allTokensIndex[tokenId];\n _allTokens.pop();\n }\n\n /\n See {ERC721-_increaseBalance}. We need that to account tokens that were minted in batch\n /\n function _increaseBalance(address account, uint128 amount) internal virtual override {\n if (amount > 0) {\n revert ERC721EnumerableForbiddenBatchMint();\n }\n super._increaseBalance(account, amount);\n }\n}\n" }, "lib/solmate/src/auth/Owned.sol": { "content": "// SPDX-License-Identifier: AGPL-3.0-only\npragma solidity >=0.8.0;\n\n/// @notice Simple single owner authorization mixin.\n/// @author Solmate (https://github.com/transmissions11/solmate/blob/main/src/auth/Owned.sol)\nabstract contract Owned {\n ///////////////////////////////////////////////////////////////\n EVENTS\n ///////////////////////////////////////////////////////////////\n\n event OwnershipTransferred(address indexed user, address indexed newOwner);\n\n ///////////////////////////////////////////////////////////////\n OWNERSHIP STORAGE\n ///////////////////////////////////////////////////////////////\n\n address public owner;\n\n modifier onlyOwner() virtual {\n require(msg.sender == owner, \"UNAUTHORIZED\");\n\n _;\n }\n\n ///////////////////////////////////////////////////////////////\n CONSTRUCTOR\n ///////////////////////////////////////////////////////////////\n\n constructor(address _owner) {\n owner = _owner;\n\n emit OwnershipTransferred(address(0), _owner);\n }\n\n ///////////////////////////////////////////////////////////////\n OWNERSHIP LOGIC\n ///////////////////////////////////////////////////////////////\n\n function transferOwnership(address newOwner) public virtual onlyOwner {\n owner = newOwner;\n\n emit OwnershipTransferred(msg.sender, newOwner);\n }\n}\n" }, "src/interfaces/IDNft.sol": { "content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.20;\n\ninterface IDNft {\n event MintedNft (uint indexed id, address indexed to);\n event MintedInsiderNft(uint indexed id, address indexed to);\n event Drained (address indexed to, uint amount);\n\n error InsiderMintsExceeded ();\n error InsufficientFunds ();\n\n /\n @dev Mints an dNFT and transfers it to the given `to` address.\n * \n * Requirements:\n * - msg.value exceeds the minting price\n \n Emits a {MintedNft} event on successful execution.\n \n @param to The address to which the minted NFT will be transferred.\n * @return id The ID of the minted NFT.\n \n Throws a {InsufficientFunds} error if the sender does not provide enough ETH to mint the NFT.\n /\n function mintNft(address to) external payable returns (uint id);\n\n /\n @notice Mint new insider DNft to `to` \n * @dev Note:\n * - An insider dNFT does not require buring ETH to mint\n * @dev Will revert:\n * - If not called by contract owner\n * - If the maximum number of insider mints has been reached\n * - If `to` is the zero address\n * @dev Emits:\n * - MintNft(address indexed to, uint indexed id)\n * @param to The address to mint the dNFT to\n * @return id Id of the new dNFT\n * \n * Throws a {InsiderMintsExceeded} error if the maximum number of insider mints has been reached.\n /\n function mintInsiderNft(address to) external returns (uint id);\n\n /\n @notice Drain the contract balance to `to`\n * @dev Will revert:\n * - If not called by contract owner\n * @dev Emits:\n * - Drained(address indexed to, uint amount)\n * @param to The address to drain the contract balance to\n /\n function drain(address to) external;\n}\n" }, "src/params/DNftParameters.sol": { "content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.20;\n\ncontract DNftParameters {\n uint public constant INSIDER_MINTS = 4000;\n uint public constant START_PRICE = 0 ether; // 0.1 ether\n uint public constant PRICE_INCREASE = 0 ether; // 0.001 ether\n}\n" }, "src/interfaces/IDyad.sol": { "content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.20;\n\ninterface IDyad {\n\n error NotLicensed();\n\n /\n @notice Mints amount of DYAD through a dNFT and licensed vault manager \n * to a specified address.\n * @dev The caller must be a licensed vault manager. Vault manager get\n * licensed by the 'sll'.\n * @param id ID of the dNFT.\n * @param to The address of the recipient who will receive the tokens.\n * @param amount The amount of tokens to be minted.\n /\n function mint(\n uint id, \n address to,\n uint amount\n ) external;\n\n /\n @notice Burns amount of DYAD through a dNFT and licensed vault manager\n * from a specified address.\n * @dev The caller must be a licensed vault manager. Vault manager get\n * licensed by the 'sll'.\n * @param id ID of the dNFT.\n * @param from The address of the recipient who the tokens will be burnt\n * from.\n * @param amount The amount of tokens to be burned.\n /\n function burn(\n uint id, \n address from,\n uint amount\n ) external;\n}\n" }, "src/core/Licenser.sol": { "content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.20;\n\nimport {Owned} from \"@solmate/src/auth/Owned.sol\";\n\ncontract Licenser is Owned(msg.sender) {\n\n mapping (address => bool) public isLicensed; \n\n constructor() {}\n\n function add (address vault) external onlyOwner { isLicensed[vault] = true; }\n function remove(address vault) external onlyOwner { isLicensed[vault] = false; }\n}\n" }, "src/interfaces/IVault.sol": { "content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.20;\n\nimport {IAggregatorV3} from \"../interfaces/IAggregatorV3.sol\";\n\nimport {ERC20} from \"@solmate/src/tokens/ERC20.sol\";\n\ninterface IVault {\n event Withdraw (uint indexed from, address indexed to, uint amount);\n event Deposit (uint indexed id, uint amount);\n event Move (uint indexed from, uint indexed to, uint amount);\n\n error StaleData ();\n error IncompleteRound ();\n error NotVaultManager ();\n\n // A vault must implement these functions\n function id2asset (uint) external view returns (uint);\n function deposit (uint id, uint amount) external;\n function move (uint from, uint to, uint amount) external;\n function withdraw (uint id, address to, uint amount) external;\n function getUsdValue(uint id) external view returns (uint);\n function asset () external view returns (ERC20);\n function oracle () external view returns (IAggregatorV3);\n function assetPrice () external view returns (uint);\n}\n" }, "src/interfaces/IAggregatorV3.sol": { "content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.20;\n\n// This is the chainlink interface that we use to get the ETH price\ninterface IAggregatorV3 {\n function decimals() external view returns (uint8);\n function description() external view returns (string memory);\n function version() external view returns (uint256);\n function getRoundData(uint80 _roundId)\n external\n view\n returns (\n uint80 roundId,\n int256 answer,\n uint256 startedAt,\n uint256 updatedAt,\n uint80 answeredInRound\n );\n function latestRoundData()\n external\n view\n returns (\n uint80 roundId,\n int256 answer,\n uint256 startedAt,\n uint256 updatedAt,\n uint80 answeredInRound\n );\n}\n\n" }, "lib/openzeppelin-contracts-upgradeable/lib/openzeppelin-contracts/contracts/utils/math/SafeCast.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.0.0) (utils/math/SafeCast.sol)\n// This file was procedurally generated from scripts/generate/templates/SafeCast.js.\n\npragma solidity ^0.8.20;\n\n/\n @dev Wrappers over Solidity's uintXX/intXX casting operators with added overflow\n * checks.\n \n Downcasting from uint256/int256 in Solidity does not revert on overflow. This can\n * easily result in undesired exploitation or bugs, since developers usually\n * assume that overflows raise errors. `SafeCast` restores this intuition by\n * reverting the transaction when such an operation overflows.\n \n Using this library instead of the unchecked operations eliminates an entire\n * class of bugs, so it's recommended to use it always.\n /\nlibrary SafeCast {\n /\n @dev Value doesn't fit in an uint of `bits` size.\n /\n error SafeCastOverflowedUintDowncast(uint8 bits, uint256 value);\n\n /\n @dev An int value doesn't fit in an uint of `bits` size.\n /\n error SafeCastOverflowedIntToUint(int256 value);\n\n /\n @dev Value doesn't fit in an int of `bits` size.\n /\n error SafeCastOverflowedIntDowncast(uint8 bits, int256 value);\n\n /\n @dev An uint value doesn't fit in an int of `bits` size.\n /\n error SafeCastOverflowedUintToInt(uint256 value);\n\n /\n @dev Returns the downcasted uint248 from uint256, reverting on\n * overflow (when the input is greater than largest uint248).\n \n Counterpart to Solidity's `uint248` operator.\n \n Requirements:\n \n - input must fit into 248 bits\n /\n function toUint248(uint256 value) internal pure returns (uint248) {\n if (value > type(uint248).max) {\n revert SafeCastOverflowedUintDowncast(248, value);\n }\n return uint248(value);\n }\n\n /\n @dev Returns the downcasted uint240 from uint256, reverting on\n * overflow (when the input is greater than largest uint240).\n \n Counterpart to Solidity's `uint240` operator.\n \n Requirements:\n \n - input must fit into 240 bits\n /\n function toUint240(uint256 value) internal pure returns (uint240) {\n if (value > type(uint240).max) {\n revert SafeCastOverflowedUintDowncast(240, value);\n }\n return uint240(value);\n }\n\n /\n @dev Returns the downcasted uint232 from uint256, reverting on\n * overflow (when the input is greater than largest uint232).\n \n Counterpart to Solidity's `uint232` operator.\n \n Requirements:\n \n - input must fit into 232 bits\n /\n function toUint232(uint256 value) internal pure returns (uint232) {\n if (value > type(uint232).max) {\n revert SafeCastOverflowedUintDowncast(232, value);\n }\n return uint232(value);\n }\n\n /\n @dev Returns the downcasted uint224 from uint256, reverting on\n * overflow (when the input is greater than largest uint224).\n \n Counterpart to Solidity's `uint224` operator.\n \n Requirements:\n \n - input must fit into 224 bits\n /\n function toUint224(uint256 value) internal pure returns (uint224) {\n if (value > type(uint224).max) {\n revert SafeCastOverflowedUintDowncast(224, value);\n }\n return uint224(value);\n }\n\n /\n @dev Returns the downcasted uint216 from uint256, reverting on\n * overflow (when the input is greater than largest uint216).\n \n Counterpart to Solidity's `uint216` operator.\n \n Requirements:\n \n - input must fit into 216 bits\n /\n function toUint216(uint256 value) internal pure returns (uint216) {\n if (value > type(uint216).max) {\n revert SafeCastOverflowedUintDowncast(216, value);\n }\n return uint216(value);\n }\n\n /\n @dev Returns the downcasted uint208 from uint256, reverting on\n * overflow (when the input is greater than largest uint208).\n \n Counterpart to Solidity's `uint208` operator.\n \n Requirements:\n \n - input must fit into 208 bits\n /\n function toUint208(uint256 value) internal pure returns (uint208) {\n if (value > type(uint208).max) {\n revert SafeCastOverflowedUintDowncast(208, value);\n }\n return uint208(value);\n }\n\n /\n @dev Returns the downcasted uint200 from uint256, reverting on\n * overflow (when the input is greater than largest uint200).\n \n Counterpart to Solidity's `uint200` operator.\n \n Requirements:\n \n - input must fit into 200 bits\n /\n function toUint200(uint256 value) internal pure returns (uint200) {\n if (value > type(uint200).max) {\n revert SafeCastOverflowedUintDowncast(200, value);\n }\n return uint200(value);\n }\n\n /\n @dev Returns the downcasted uint192 from uint256, reverting on\n * overflow (when the input is greater than largest uint192).\n \n Counterpart to Solidity's `uint192` operator.\n \n Requirements:\n \n - input must fit into 192 bits\n /\n function toUint192(uint256 value) internal pure returns (uint192) {\n if (value > type(uint192).max) {\n revert SafeCastOverflowedUintDowncast(192, value);\n }\n return uint192(value);\n }\n\n /\n @dev Returns the downcasted uint184 from uint256, reverting on\n * overflow (when the input is greater than largest uint184).\n \n Counterpart to Solidity's `uint184` operator.\n \n Requirements:\n \n - input must fit into 184 bits\n /\n function toUint184(uint256 value) internal pure returns (uint184) {\n if (value > type(uint184).max) {\n revert SafeCastOverflowedUintDowncast(184, value);\n }\n return uint184(value);\n }\n\n /\n @dev Returns the downcasted uint176 from uint256, reverting on\n * overflow (when the input is greater than largest uint176).\n \n Counterpart to Solidity's `uint176` operator.\n \n Requirements:\n \n - input must fit into 176 bits\n /\n function toUint176(uint256 value) internal pure returns (uint176) {\n if (value > type(uint176).max) {\n revert SafeCastOverflowedUintDowncast(176, value);\n }\n return uint176(value);\n }\n\n /\n @dev Returns the downcasted uint168 from uint256, reverting on\n * overflow (when the input is greater than largest uint168).\n \n Counterpart to Solidity's `uint168` operator.\n \n Requirements:\n \n - input must fit into 168 bits\n /\n function toUint168(uint256 value) internal pure returns (uint168) {\n if (value > type(uint168).max) {\n revert SafeCastOverflowedUintDowncast(168, value);\n }\n return uint168(value);\n }\n\n /\n @dev Returns the downcasted uint160 from uint256, reverting on\n * overflow (when the input is greater than largest uint160).\n \n Counterpart to Solidity's `uint160` operator.\n \n Requirements:\n \n - input must fit into 160 bits\n /\n function toUint160(uint256 value) internal pure returns (uint160) {\n if (value > type(uint160).max) {\n revert SafeCastOverflowedUintDowncast(160, value);\n }\n return uint160(value);\n }\n\n /\n @dev Returns the downcasted uint152 from uint256, reverting on\n * overflow (when the input is greater than largest uint152).\n \n Counterpart to Solidity's `uint152` operator.\n \n Requirements:\n \n - input must fit into 152 bits\n /\n function toUint152(uint256 value) internal pure returns (uint152) {\n if (value > type(uint152).max) {\n revert SafeCastOverflowedUintDowncast(152, value);\n }\n return uint152(value);\n }\n\n /\n @dev Returns the downcasted uint144 from uint256, reverting on\n * overflow (when the input is greater than largest uint144).\n \n Counterpart to Solidity's `uint144` operator.\n \n Requirements:\n \n - input must fit into 144 bits\n /\n function toUint144(uint256 value) internal pure returns (uint144) {\n if (value > type(uint144).max) {\n revert SafeCastOverflowedUintDowncast(144, value);\n }\n return uint144(value);\n }\n\n /\n @dev Returns the downcasted uint136 from uint256, reverting on\n * overflow (when the input is greater than largest uint136).\n \n Counterpart to Solidity's `uint136` operator.\n \n Requirements:\n \n - input must fit into 136 bits\n /\n function toUint136(uint256 value) internal pure returns (uint136) {\n if (value > type(uint136).max) {\n revert SafeCastOverflowedUintDowncast(136, value);\n }\n return uint136(value);\n }\n\n /\n @dev Returns the downcasted uint128 from uint256, reverting on\n * overflow (when the input is greater than largest uint128).\n \n Counterpart to Solidity's `uint128` operator.\n \n Requirements:\n \n - input must fit into 128 bits\n /\n function toUint128(uint256 value) internal pure returns (uint128) {\n if (value > type(uint128).max) {\n revert SafeCastOverflowedUintDowncast(128, value);\n }\n return uint128(value);\n }\n\n /\n @dev Returns the downcasted uint120 from uint256, reverting on\n * overflow (when the input is greater than largest uint120).\n \n Counterpart to Solidity's `uint120` operator.\n \n Requirements:\n \n - input must fit into 120 bits\n /\n function toUint120(uint256 value) internal pure returns (uint120) {\n if (value > type(uint120).max) {\n revert SafeCastOverflowedUintDowncast(120, value);\n }\n return uint120(value);\n }\n\n /\n @dev Returns the downcasted uint112 from uint256, reverting on\n * overflow (when the input is greater than largest uint112).\n \n Counterpart to Solidity's `uint112` operator.\n \n Requirements:\n \n - input must fit into 112 bits\n /\n function toUint112(uint256 value) internal pure returns (uint112) {\n if (value > type(uint112).max) {\n revert SafeCastOverflowedUintDowncast(112, value);\n }\n return uint112(value);\n }\n\n /\n @dev Returns the downcasted uint104 from uint256, reverting on\n * overflow (when the input is greater than largest uint104).\n \n Counterpart to Solidity's `uint104` operator.\n \n Requirements:\n \n - input must fit into 104 bits\n /\n function toUint104(uint256 value) internal pure returns (uint104) {\n if (value > type(uint104).max) {\n revert SafeCastOverflowedUintDowncast(104, value);\n }\n return uint104(value);\n }\n\n /\n @dev Returns the downcasted uint96 from uint256, reverting on\n * overflow (when the input is greater than largest uint96).\n \n Counterpart to Solidity's `uint96` operator.\n \n Requirements:\n \n - input must fit into 96 bits\n /\n function toUint96(uint256 value) internal pure returns (uint96) {\n if (value > type(uint96).max) {\n revert SafeCastOverflowedUintDowncast(96, value);\n }\n return uint96(value);\n }\n\n /\n @dev Returns the downcasted uint88 from uint256, reverting on\n * overflow (when the input is greater than largest uint88).\n \n Counterpart to Solidity's `uint88` operator.\n \n Requirements:\n \n - input must fit into 88 bits\n /\n function toUint88(uint256 value) internal pure returns (uint88) {\n if (value > type(uint88).max) {\n revert SafeCastOverflowedUintDowncast(88, value);\n }\n return uint88(value);\n }\n\n /\n @dev Returns the downcasted uint80 from uint256, reverting on\n * overflow (when the input is greater than largest uint80).\n \n Counterpart to Solidity's `uint80` operator.\n \n Requirements:\n \n - input must fit into 80 bits\n /\n function toUint80(uint256 value) internal pure returns (uint80) {\n if (value > type(uint80).max) {\n revert SafeCastOverflowedUintDowncast(80, value);\n }\n return uint80(value);\n }\n\n /\n @dev Returns the downcasted uint72 from uint256, reverting on\n * overflow (when the input is greater than largest uint72).\n \n Counterpart to Solidity's `uint72` operator.\n \n Requirements:\n \n - input must fit into 72 bits\n /\n function toUint72(uint256 value) internal pure returns (uint72) {\n if (value > type(uint72).max) {\n revert SafeCastOverflowedUintDowncast(72, value);\n }\n return uint72(value);\n }\n\n /\n @dev Returns the downcasted uint64 from uint256, reverting on\n * overflow (when the input is greater than largest uint64).\n \n Counterpart to Solidity's `uint64` operator.\n \n Requirements:\n \n - input must fit into 64 bits\n /\n function toUint64(uint256 value) internal pure returns (uint64) {\n if (value > type(uint64).max) {\n revert SafeCastOverflowedUintDowncast(64, value);\n }\n return uint64(value);\n }\n\n /\n @dev Returns the downcasted uint56 from uint256, reverting on\n * overflow (when the input is greater than largest uint56).\n \n Counterpart to Solidity's `uint56` operator.\n \n Requirements:\n \n - input must fit into 56 bits\n /\n function toUint56(uint256 value) internal pure returns (uint56) {\n if (value > type(uint56).max) {\n revert SafeCastOverflowedUintDowncast(56, value);\n }\n return uint56(value);\n }\n\n /\n @dev Returns the downcasted uint48 from uint256, reverting on\n * overflow (when the input is greater than largest uint48).\n \n Counterpart to Solidity's `uint48` operator.\n \n Requirements:\n \n - input must fit into 48 bits\n /\n function toUint48(uint256 value) internal pure returns (uint48) {\n if (value > type(uint48).max) {\n revert SafeCastOverflowedUintDowncast(48, value);\n }\n return uint48(value);\n }\n\n /\n @dev Returns the downcasted uint40 from uint256, reverting on\n * overflow (when the input is greater than largest uint40).\n \n Counterpart to Solidity's `uint40` operator.\n \n Requirements:\n \n - input must fit into 40 bits\n /\n function toUint40(uint256 value) internal pure returns (uint40) {\n if (value > type(uint40).max) {\n revert SafeCastOverflowedUintDowncast(40, value);\n }\n return uint40(value);\n }\n\n /\n @dev Returns the downcasted uint32 from uint256, reverting on\n * overflow (when the input is greater than largest uint32).\n \n Counterpart to Solidity's `uint32` operator.\n \n Requirements:\n \n - input must fit into 32 bits\n /\n function toUint32(uint256 value) internal pure returns (uint32) {\n if (value > type(uint32).max) {\n revert SafeCastOverflowedUintDowncast(32, value);\n }\n return uint32(value);\n }\n\n /\n @dev Returns the downcasted uint24 from uint256, reverting on\n * overflow (when the input is greater than largest uint24).\n \n Counterpart to Solidity's `uint24` operator.\n \n Requirements:\n \n - input must fit into 24 bits\n /\n function toUint24(uint256 value) internal pure returns (uint24) {\n if (value > type(uint24).max) {\n revert SafeCastOverflowedUintDowncast(24, value);\n }\n return uint24(value);\n }\n\n /\n @dev Returns the downcasted uint16 from uint256, reverting on\n * overflow (when the input is greater than largest uint16).\n \n Counterpart to Solidity's `uint16` operator.\n \n Requirements:\n \n - input must fit into 16 bits\n /\n function toUint16(uint256 value) internal pure returns (uint16) {\n if (value > type(uint16).max) {\n revert SafeCastOverflowedUintDowncast(16, value);\n }\n return uint16(value);\n }\n\n /\n @dev Returns the downcasted uint8 from uint256, reverting on\n * overflow (when the input is greater than largest uint8).\n \n Counterpart to Solidity's `uint8` operator.\n \n Requirements:\n \n - input must fit into 8 bits\n /\n function toUint8(uint256 value) internal pure returns (uint8) {\n if (value > type(uint8).max) {\n revert SafeCastOverflowedUintDowncast(8, value);\n }\n return uint8(value);\n }\n\n /\n @dev Converts a signed int256 into an unsigned uint256.\n \n Requirements:\n \n - input must be greater than or equal to 0.\n /\n function toUint256(int256 value) internal pure returns (uint256) {\n if (value < 0) {\n revert SafeCastOverflowedIntToUint(value);\n }\n return uint256(value);\n }\n\n /\n @dev Returns the downcasted int248 from int256, reverting on\n * overflow (when the input is less than smallest int248 or\n * greater than largest int248).\n \n Counterpart to Solidity's `int248` operator.\n \n Requirements:\n \n - input must fit into 248 bits\n /\n function toInt248(int256 value) internal pure returns (int248 downcasted) {\n downcasted = int248(value);\n if (downcasted != value) {\n revert SafeCastOverflowedIntDowncast(248, value);\n }\n }\n\n /\n @dev Returns the downcasted int240 from int256, reverting on\n * overflow (when the input is less than smallest int240 or\n * greater than largest int240).\n \n Counterpart to Solidity's `int240` operator.\n \n Requirements:\n \n - input must fit into 240 bits\n /\n function toInt240(int256 value) internal pure returns (int240 downcasted) {\n downcasted = int240(value);\n if (downcasted != value) {\n revert SafeCastOverflowedIntDowncast(240, value);\n }\n }\n\n /\n @dev Returns the downcasted int232 from int256, reverting on\n * overflow (when the input is less than smallest int232 or\n * greater than largest int232).\n \n Counterpart to Solidity's `int232` operator.\n \n Requirements:\n \n - input must fit into 232 bits\n /\n function toInt232(int256 value) internal pure returns (int232 downcasted) {\n downcasted = int232(value);\n if (downcasted != value) {\n revert SafeCastOverflowedIntDowncast(232, value);\n }\n }\n\n /\n @dev Returns the downcasted int224 from int256, reverting on\n * overflow (when the input is less than smallest int224 or\n * greater than largest int224).\n \n Counterpart to Solidity's `int224` operator.\n \n Requirements:\n \n - input must fit into 224 bits\n /\n function toInt224(int256 value) internal pure returns (int224 downcasted) {\n downcasted = int224(value);\n if (downcasted != value) {\n revert SafeCastOverflowedIntDowncast(224, value);\n }\n }\n\n /\n @dev Returns the downcasted int216 from int256, reverting on\n * overflow (when the input is less than smallest int216 or\n * greater than largest int216).\n \n Counterpart to Solidity's `int216` operator.\n \n Requirements:\n \n - input must fit into 216 bits\n /\n function toInt216(int256 value) internal pure returns (int216 downcasted) {\n downcasted = int216(value);\n if (downcasted != value) {\n revert SafeCastOverflowedIntDowncast(216, value);\n }\n }\n\n /\n @dev Returns the downcasted int208 from int256, reverting on\n * overflow (when the input is less than smallest int208 or\n * greater than largest int208).\n \n Counterpart to Solidity's `int208` operator.\n \n Requirements:\n \n - input must fit into 208 bits\n /\n function toInt208(int256 value) internal pure returns (int208 downcasted) {\n downcasted = int208(value);\n if (downcasted != value) {\n revert SafeCastOverflowedIntDowncast(208, value);\n }\n }\n\n /\n @dev Returns the downcasted int200 from int256, reverting on\n * overflow (when the input is less than smallest int200 or\n * greater than largest int200).\n \n Counterpart to Solidity's `int200` operator.\n \n Requirements:\n \n - input must fit into 200 bits\n /\n function toInt200(int256 value) internal pure returns (int200 downcasted) {\n downcasted = int200(value);\n if (downcasted != value) {\n revert SafeCastOverflowedIntDowncast(200, value);\n }\n }\n\n /\n @dev Returns the downcasted int192 from int256, reverting on\n * overflow (when the input is less than smallest int192 or\n * greater than largest int192).\n \n Counterpart to Solidity's `int192` operator.\n \n Requirements:\n \n - input must fit into 192 bits\n /\n function toInt192(int256 value) internal pure returns (int192 downcasted) {\n downcasted = int192(value);\n if (downcasted != value) {\n revert SafeCastOverflowedIntDowncast(192, value);\n }\n }\n\n /\n @dev Returns the downcasted int184 from int256, reverting on\n * overflow (when the input is less than smallest int184 or\n * greater than largest int184).\n \n Counterpart to Solidity's `int184` operator.\n \n Requirements:\n \n - input must fit into 184 bits\n /\n function toInt184(int256 value) internal pure returns (int184 downcasted) {\n downcasted = int184(value);\n if (downcasted != value) {\n revert SafeCastOverflowedIntDowncast(184, value);\n }\n }\n\n /\n @dev Returns the downcasted int176 from int256, reverting on\n * overflow (when the input is less than smallest int176 or\n * greater than largest int176).\n \n Counterpart to Solidity's `int176` operator.\n \n Requirements:\n \n - input must fit into 176 bits\n /\n function toInt176(int256 value) internal pure returns (int176 downcasted) {\n downcasted = int176(value);\n if (downcasted != value) {\n revert SafeCastOverflowedIntDowncast(176, value);\n }\n }\n\n /\n @dev Returns the downcasted int168 from int256, reverting on\n * overflow (when the input is less than smallest int168 or\n * greater than largest int168).\n \n Counterpart to Solidity's `int168` operator.\n \n Requirements:\n \n - input must fit into 168 bits\n /\n function toInt168(int256 value) internal pure returns (int168 downcasted) {\n downcasted = int168(value);\n if (downcasted != value) {\n revert SafeCastOverflowedIntDowncast(168, value);\n }\n }\n\n /\n @dev Returns the downcasted int160 from int256, reverting on\n * overflow (when the input is less than smallest int160 or\n * greater than largest int160).\n \n Counterpart to Solidity's `int160` operator.\n \n Requirements:\n \n - input must fit into 160 bits\n /\n function toInt160(int256 value) internal pure returns (int160 downcasted) {\n downcasted = int160(value);\n if (downcasted != value) {\n revert SafeCastOverflowedIntDowncast(160, value);\n }\n }\n\n /\n @dev Returns the downcasted int152 from int256, reverting on\n * overflow (when the input is less than smallest int152 or\n * greater than largest int152).\n \n Counterpart to Solidity's `int152` operator.\n \n Requirements:\n \n - input must fit into 152 bits\n /\n function toInt152(int256 value) internal pure returns (int152 downcasted) {\n downcasted = int152(value);\n if (downcasted != value) {\n revert SafeCastOverflowedIntDowncast(152, value);\n }\n }\n\n /\n @dev Returns the downcasted int144 from int256, reverting on\n * overflow (when the input is less than smallest int144 or\n * greater than largest int144).\n \n Counterpart to Solidity's `int144` operator.\n \n Requirements:\n \n - input must fit into 144 bits\n /\n function toInt144(int256 value) internal pure returns (int144 downcasted) {\n downcasted = int144(value);\n if (downcasted != value) {\n revert SafeCastOverflowedIntDowncast(144, value);\n }\n }\n\n /\n @dev Returns the downcasted int136 from int256, reverting on\n * overflow (when the input is less than smallest int136 or\n * greater than largest int136).\n \n Counterpart to Solidity's `int136` operator.\n \n Requirements:\n \n - input must fit into 136 bits\n /\n function toInt136(int256 value) internal pure returns (int136 downcasted) {\n downcasted = int136(value);\n if (downcasted != value) {\n revert SafeCastOverflowedIntDowncast(136, value);\n }\n }\n\n /\n @dev Returns the downcasted int128 from int256, reverting on\n * overflow (when the input is less than smallest int128 or\n * greater than largest int128).\n \n Counterpart to Solidity's `int128` operator.\n \n Requirements:\n \n - input must fit into 128 bits\n /\n function toInt128(int256 value) internal pure returns (int128 downcasted) {\n downcasted = int128(value);\n if (downcasted != value) {\n revert SafeCastOverflowedIntDowncast(128, value);\n }\n }\n\n /\n @dev Returns the downcasted int120 from int256, reverting on\n * overflow (when the input is less than smallest int120 or\n * greater than largest int120).\n \n Counterpart to Solidity's `int120` operator.\n \n Requirements:\n \n - input must fit into 120 bits\n /\n function toInt120(int256 value) internal pure returns (int120 downcasted) {\n downcasted = int120(value);\n if (downcasted != value) {\n revert SafeCastOverflowedIntDowncast(120, value);\n }\n }\n\n /\n @dev Returns the downcasted int112 from int256, reverting on\n * overflow (when the input is less than smallest int112 or\n * greater than largest int112).\n \n Counterpart to Solidity's `int112` operator.\n \n Requirements:\n \n - input must fit into 112 bits\n /\n function toInt112(int256 value) internal pure returns (int112 downcasted) {\n downcasted = int112(value);\n if (downcasted != value) {\n revert SafeCastOverflowedIntDowncast(112, value);\n }\n }\n\n /\n @dev Returns the downcasted int104 from int256, reverting on\n * overflow (when the input is less than smallest int104 or\n * greater than largest int104).\n \n Counterpart to Solidity's `int104` operator.\n \n Requirements:\n \n - input must fit into 104 bits\n /\n function toInt104(int256 value) internal pure returns (int104 downcasted) {\n downcasted = int104(value);\n if (downcasted != value) {\n revert SafeCastOverflowedIntDowncast(104, value);\n }\n }\n\n /\n @dev Returns the downcasted int96 from int256, reverting on\n * overflow (when the input is less than smallest int96 or\n * greater than largest int96).\n \n Counterpart to Solidity's `int96` operator.\n \n Requirements:\n \n - input must fit into 96 bits\n /\n function toInt96(int256 value) internal pure returns (int96 downcasted) {\n downcasted = int96(value);\n if (downcasted != value) {\n revert SafeCastOverflowedIntDowncast(96, value);\n }\n }\n\n /\n @dev Returns the downcasted int88 from int256, reverting on\n * overflow (when the input is less than smallest int88 or\n * greater than largest int88).\n \n Counterpart to Solidity's `int88` operator.\n \n Requirements:\n \n - input must fit into 88 bits\n /\n function toInt88(int256 value) internal pure returns (int88 downcasted) {\n downcasted = int88(value);\n if (downcasted != value) {\n revert SafeCastOverflowedIntDowncast(88, value);\n }\n }\n\n /\n @dev Returns the downcasted int80 from int256, reverting on\n * overflow (when the input is less than smallest int80 or\n * greater than largest int80).\n \n Counterpart to Solidity's `int80` operator.\n \n Requirements:\n \n - input must fit into 80 bits\n /\n function toInt80(int256 value) internal pure returns (int80 downcasted) {\n downcasted = int80(value);\n if (downcasted != value) {\n revert SafeCastOverflowedIntDowncast(80, value);\n }\n }\n\n /\n @dev Returns the downcasted int72 from int256, reverting on\n * overflow (when the input is less than smallest int72 or\n * greater than largest int72).\n \n Counterpart to Solidity's `int72` operator.\n \n Requirements:\n \n - input must fit into 72 bits\n /\n function toInt72(int256 value) internal pure returns (int72 downcasted) {\n downcasted = int72(value);\n if (downcasted != value) {\n revert SafeCastOverflowedIntDowncast(72, value);\n }\n }\n\n /\n @dev Returns the downcasted int64 from int256, reverting on\n * overflow (when the input is less than smallest int64 or\n * greater than largest int64).\n \n Counterpart to Solidity's `int64` operator.\n \n Requirements:\n \n - input must fit into 64 bits\n /\n function toInt64(int256 value) internal pure returns (int64 downcasted) {\n downcasted = int64(value);\n if (downcasted != value) {\n revert SafeCastOverflowedIntDowncast(64, value);\n }\n }\n\n /\n @dev Returns the downcasted int56 from int256, reverting on\n * overflow (when the input is less than smallest int56 or\n * greater than largest int56).\n \n Counterpart to Solidity's `int56` operator.\n \n Requirements:\n \n - input must fit into 56 bits\n /\n function toInt56(int256 value) internal pure returns (int56 downcasted) {\n downcasted = int56(value);\n if (downcasted != value) {\n revert SafeCastOverflowedIntDowncast(56, value);\n }\n }\n\n /\n @dev Returns the downcasted int48 from int256, reverting on\n * overflow (when the input is less than smallest int48 or\n * greater than largest int48).\n \n Counterpart to Solidity's `int48` operator.\n \n Requirements:\n \n - input must fit into 48 bits\n /\n function toInt48(int256 value) internal pure returns (int48 downcasted) {\n downcasted = int48(value);\n if (downcasted != value) {\n revert SafeCastOverflowedIntDowncast(48, value);\n }\n }\n\n /\n @dev Returns the downcasted int40 from int256, reverting on\n * overflow (when the input is less than smallest int40 or\n * greater than largest int40).\n \n Counterpart to Solidity's `int40` operator.\n \n Requirements:\n \n - input must fit into 40 bits\n /\n function toInt40(int256 value) internal pure returns (int40 downcasted) {\n downcasted = int40(value);\n if (downcasted != value) {\n revert SafeCastOverflowedIntDowncast(40, value);\n }\n }\n\n /\n @dev Returns the downcasted int32 from int256, reverting on\n * overflow (when the input is less than smallest int32 or\n * greater than largest int32).\n \n Counterpart to Solidity's `int32` operator.\n \n Requirements:\n \n - input must fit into 32 bits\n /\n function toInt32(int256 value) internal pure returns (int32 downcasted) {\n downcasted = int32(value);\n if (downcasted != value) {\n revert SafeCastOverflowedIntDowncast(32, value);\n }\n }\n\n /\n @dev Returns the downcasted int24 from int256, reverting on\n * overflow (when the input is less than smallest int24 or\n * greater than largest int24).\n \n Counterpart to Solidity's `int24` operator.\n \n Requirements:\n \n - input must fit into 24 bits\n /\n function toInt24(int256 value) internal pure returns (int24 downcasted) {\n downcasted = int24(value);\n if (downcasted != value) {\n revert SafeCastOverflowedIntDowncast(24, value);\n }\n }\n\n /\n @dev Returns the downcasted int16 from int256, reverting on\n * overflow (when the input is less than smallest int16 or\n * greater than largest int16).\n \n Counterpart to Solidity's `int16` operator.\n \n Requirements:\n \n - input must fit into 16 bits\n /\n function toInt16(int256 value) internal pure returns (int16 downcasted) {\n downcasted = int16(value);\n if (downcasted != value) {\n revert SafeCastOverflowedIntDowncast(16, value);\n }\n }\n\n /\n @dev Returns the downcasted int8 from int256, reverting on\n * overflow (when the input is less than smallest int8 or\n * greater than largest int8).\n \n Counterpart to Solidity's `int8` operator.\n \n Requirements:\n \n - input must fit into 8 bits\n /\n function toInt8(int256 value) internal pure returns (int8 downcasted) {\n downcasted = int8(value);\n if (downcasted != value) {\n revert SafeCastOverflowedIntDowncast(8, value);\n }\n }\n\n /\n @dev Converts an unsigned uint256 into a signed int256.\n \n Requirements:\n \n - input must be less than or equal to maxInt256.\n /\n function toInt256(uint256 value) internal pure returns (int256) {\n // Note: Unsafe cast below is okay because `type(int256).max` is guaranteed to be positive\n if (value > uint256(type(int256).max)) {\n revert SafeCastOverflowedUintToInt(value);\n }\n return int256(value);\n }\n}\n" }, "lib/forge-std/src/interfaces/IERC20.sol": { "content": "// SPDX-License-Identifier: MIT\npragma solidity >=0.6.2;\n\n/// @dev Interface of the ERC20 standard as defined in the EIP.\n/// @dev This includes the optional name, symbol, and decimals metadata.\ninterface IERC20 {\n /// @dev Emitted when `value` tokens are moved from one account (`from`) to another (`to`).\n event Transfer(address indexed from, address indexed to, uint256 value);\n\n /// @dev Emitted when the allowance of a `spender` for an `owner` is set, where `value`\n /// is the new allowance.\n event Approval(address indexed owner, address indexed spender, uint256 value);\n\n /// @notice Returns the amount of tokens in existence.\n function totalSupply() external view returns (uint256);\n\n /// @notice Returns the amount of tokens owned by `account`.\n function balanceOf(address account) external view returns (uint256);\n\n /// @notice Moves `amount` tokens from the caller's account to `to`.\n function transfer(address to, uint256 amount) external returns (bool);\n\n /// @notice Returns the remaining number of tokens that `spender` is allowed\n /// to spend on behalf of `owner`\n function allowance(address owner, address spender) external view returns (uint256);\n\n /// @notice Sets `amount` as the allowance of `spender` over the caller's tokens.\n /// @dev Be aware of front-running risks: https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729\n function approve(address spender, uint256 amount) external returns (bool);\n\n /// @notice Moves `amount` tokens from `from` to `to` using the allowance mechanism.\n /// `amount` is then deducted from the caller's allowance.\n function transferFrom(address from, address to, uint256 amount) external returns (bool);\n\n /// @notice Returns the name of the token.\n function name() external view returns (string memory);\n\n /// @notice Returns the symbol of the token.\n function symbol() external view returns (string memory);\n\n /// @notice Returns the decimals places of the token.\n function decimals() external view returns (uint8);\n}\n" }, "lib/forge-std/src/interfaces/IERC721.sol": { "content": "// SPDX-License-Identifier: MIT\npragma solidity >=0.6.2;\n\nimport \"./IERC165.sol\";\n\n/// @title ERC-721 Non-Fungible Token Standard\n/// @dev See https://eips.ethereum.org/EIPS/eip-721\n/// Note: the ERC-165 identifier for this interface is 0x80ac58cd.\ninterface IERC721 is IERC165 {\n /// @dev This emits when ownership of any NFT changes by any mechanism.\n /// This event emits when NFTs are created (`from` == 0) and destroyed\n /// (`to` == 0). Exception: during contract creation, any number of NFTs\n /// may be created and assigned without emitting Transfer. At the time of\n /// any transfer, the approved address for that NFT (if any) is reset to none.\n event Transfer(address indexed _from, address indexed _to, uint256 indexed _tokenId);\n\n /// @dev This emits when the approved address for an NFT is changed or\n /// reaffirmed. The zero address indicates there is no approved address.\n /// When a Transfer event emits, this also indicates that the approved\n /// address for that NFT (if any) is reset to none.\n event Approval(address indexed _owner, address indexed _approved, uint256 indexed _tokenId);\n\n /// @dev This emits when an operator is enabled or disabled for an owner.\n /// The operator can manage all NFTs of the owner.\n event ApprovalForAll(address indexed _owner, address indexed _operator, bool _approved);\n\n /// @notice Count all NFTs assigned to an owner\n /// @dev NFTs assigned to the zero address are considered invalid, and this\n /// function throws for queries about the zero address.\n /// @param _owner An address for whom to query the balance\n /// @return The number of NFTs owned by `_owner`, possibly zero\n function balanceOf(address _owner) external view returns (uint256);\n\n /// @notice Find the owner of an NFT\n /// @dev NFTs assigned to zero address are considered invalid, and queries\n /// about them do throw.\n /// @param _tokenId The identifier for an NFT\n /// @return The address of the owner of the NFT\n function ownerOf(uint256 _tokenId) external view returns (address);\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// operator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT. When transfer is complete, this function\n /// checks if `_to` is a smart contract (code size > 0). If so, it calls\n /// `onERC721Received` on `_to` and throws if the return value is not\n /// `bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"))`.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n /// @param data Additional data with no specified format, sent in call to `_to`\n function safeTransferFrom(address _from, address _to, uint256 _tokenId, bytes calldata data) external payable;\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev This works identically to the other function with an extra data parameter,\n /// except this function just sets data to \"\".\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function safeTransferFrom(address _from, address _to, uint256 _tokenId) external payable;\n\n /// @notice Transfer ownership of an NFT -- THE CALLER IS RESPONSIBLE\n /// TO CONFIRM THAT `_to` IS CAPABLE OF RECEIVING NFTS OR ELSE\n /// THEY MAY BE PERMANENTLY LOST\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// operator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function transferFrom(address _from, address _to, uint256 _tokenId) external payable;\n\n /// @notice Change or reaffirm the approved address for an NFT\n /// @dev The zero address indicates there is no approved address.\n /// Throws unless `msg.sender` is the current NFT owner, or an authorized\n /// operator of the current owner.\n /// @param _approved The new approved NFT controller\n /// @param _tokenId The NFT to approve\n function approve(address _approved, uint256 _tokenId) external payable;\n\n /// @notice Enable or disable approval for a third party (\"operator\") to manage\n /// all of `msg.sender`'s assets\n /// @dev Emits the ApprovalForAll event. The contract MUST allow\n /// multiple operators per owner.\n /// @param _operator Address to add to the set of authorized operators\n /// @param _approved True if the operator is approved, false to revoke approval\n function setApprovalForAll(address _operator, bool _approved) external;\n\n /// @notice Get the approved address for a single NFT\n /// @dev Throws if `_tokenId` is not a valid NFT.\n /// @param _tokenId The NFT to find the approved address for\n /// @return The approved address for this NFT, or the zero address if there is none\n function getApproved(uint256 _tokenId) external view returns (address);\n\n /// @notice Query if an address is an authorized operator for another address\n /// @param _owner The address that owns the NFTs\n /// @param _operator The address that acts on behalf of the owner\n /// @return True if `_operator` is an approved operator for `_owner`, false otherwise\n function isApprovedForAll(address _owner, address _operator) external view returns (bool);\n}\n\n/// @dev Note: the ERC-165 identifier for this interface is 0x150b7a02.\ninterface IERC721TokenReceiver {\n /// @notice Handle the receipt of an NFT\n /// @dev The ERC721 smart contract calls this function on the recipient\n /// after a `transfer`. This function MAY throw to revert and reject the\n /// transfer. Return of other than the magic value MUST result in the\n /// transaction being reverted.\n /// Note: the contract address is always the message sender.\n /// @param _operator The address which called `safeTransferFrom` function\n /// @param _from The address which previously owned the token\n /// @param _tokenId The NFT identifier which is being transferred\n /// @param _data Additional data with no specified format\n /// @return `bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"))`\n /// unless throwing\n function onERC721Received(address _operator, address _from, uint256 _tokenId, bytes calldata _data)\n external\n returns (bytes4);\n}\n\n/// @title ERC-721 Non-Fungible Token Standard, optional metadata extension\n/// @dev See https://eips.ethereum.org/EIPS/eip-721\n/// Note: the ERC-165 identifier for this interface is 0x5b5e139f.\ninterface IERC721Metadata is IERC721 {\n /// @notice A descriptive name for a collection of NFTs in this contract\n function name() external view returns (string memory _name);\n\n /// @notice An abbreviated name for NFTs in this contract\n function symbol() external view returns (string memory _symbol);\n\n /// @notice A distinct Uniform Resource Identifier (URI) for a given asset.\n /// @dev Throws if `_tokenId` is not a valid NFT. URIs are defined in RFC\n /// 3986. The URI may point to a JSON file that conforms to the \"ERC721\n /// Metadata JSON Schema\".\n function tokenURI(uint256 _tokenId) external view returns (string memory);\n}\n\n/// @title ERC-721 Non-Fungible Token Standard, optional enumeration extension\n/// @dev See https://eips.ethereum.org/EIPS/eip-721\n/// Note: the ERC-165 identifier for this interface is 0x780e9d63.\ninterface IERC721Enumerable is IERC721 {\n /// @notice Count NFTs tracked by this contract\n /// @return A count of valid NFTs tracked by this contract, where each one of\n /// them has an assigned and queryable owner not equal to the zero address\n function totalSupply() external view returns (uint256);\n\n /// @notice Enumerate valid NFTs\n /// @dev Throws if `_index` >= `totalSupply()`.\n /// @param _index A counter less than `totalSupply()`\n /// @return The token identifier for the `_index`th NFT,\n /// (sort order not specified)\n function tokenByIndex(uint256 _index) external view returns (uint256);\n\n /// @notice Enumerate NFTs assigned to an owner\n /// @dev Throws if `_index` >= `balanceOf(_owner)` or if\n /// `_owner` is the zero address, representing invalid NFTs.\n /// @param _owner An address where we are interested in NFTs owned by them\n /// @param _index A counter less than `balanceOf(_owner)`\n /// @return The token identifier for the `_index`th NFT assigned to `_owner`,\n /// (sort order not specified)\n function tokenOfOwnerByIndex(address _owner, uint256 _index) external view returns (uint256);\n}\n" }, "lib/openzeppelin-contracts-upgradeable/lib/openzeppelin-contracts/contracts/proxy/Proxy.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.0.0) (proxy/Proxy.sol)\n\npragma solidity ^0.8.20;\n\n/\n @dev This abstract contract provides a fallback function that delegates all calls to another contract using the EVM\n * instruction `delegatecall`. We refer to the second contract as the _implementation_ behind the proxy, and it has to\n * be specified by overriding the virtual {_implementation} function.\n \n Additionally, delegation to the implementation can be triggered manually through the {_fallback} function, or to a\n * different contract through the {_delegate} function.\n \n The success and return data of the delegated call will be returned back to the caller of the proxy.\n /\nabstract contract Proxy {\n /\n @dev Delegates the current call to `implementation`.\n \n This function does not return to its internal call site, it will return directly to the external caller.\n /\n function _delegate(address implementation) internal virtual {\n assembly {\n // Copy msg.data. We take full control of memory in this inline assembly\n // block because it will not return to Solidity code. We overwrite the\n // Solidity scratch pad at memory position 0.\n calldatacopy(0, 0, calldatasize())\n\n // Call the implementation.\n // out and outsize are 0 because we don't know the size yet.\n let result := delegatecall(gas(), implementation, 0, calldatasize(), 0, 0)\n\n // Copy the returned data.\n returndatacopy(0, 0, returndatasize())\n\n switch result\n // delegatecall returns 0 on error.\n case 0 {\n revert(0, returndatasize())\n }\n default {\n return(0, returndatasize())\n }\n }\n }\n\n /\n @dev This is a virtual function that should be overridden so it returns the address to which the fallback\n * function and {_fallback} should delegate.\n /\n function _implementation() internal view virtual returns (address);\n\n /\n @dev Delegates the current call to the address returned by `_implementation()`.\n \n This function does not return to its internal call site, it will return directly to the external caller.\n /\n function _fallback() internal virtual {\n _delegate(_implementation());\n }\n\n /\n @dev Fallback function that delegates calls to the address returned by `_implementation()`. Will run if no other\n * function in the contract matches the call data.\n /\n fallback() external payable virtual {\n _fallback();\n }\n}\n" }, "lib/openzeppelin-contracts-upgradeable/lib/openzeppelin-contracts/contracts/proxy/ERC1967/ERC1967Utils.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.0.0) (proxy/ERC1967/ERC1967Utils.sol)\n\npragma solidity ^0.8.20;\n\nimport {IBeacon} from \"../beacon/IBeacon.sol\";\nimport {Address} from \"../../utils/Address.sol\";\nimport {StorageSlot} from \"../../utils/StorageSlot.sol\";\n\n/\n @dev This abstract contract provides getters and event emitting update functions for\n * https://eips.ethereum.org/EIPS/eip-1967[EIP1967] slots.\n /\nlibrary ERC1967Utils {\n // We re-declare ERC-1967 events here because they can't be used directly from IERC1967.\n // This will be fixed in Solidity 0.8.21. At that point we should remove these events.\n /\n @dev Emitted when the implementation is upgraded.\n /\n event Upgraded(address indexed implementation);\n\n /\n @dev Emitted when the admin account has changed.\n /\n event AdminChanged(address previousAdmin, address newAdmin);\n\n /\n @dev Emitted when the beacon is changed.\n /\n event BeaconUpgraded(address indexed beacon);\n\n /\n @dev Storage slot with the address of the current implementation.\n * This is the keccak-256 hash of \"eip1967.proxy.implementation\" subtracted by 1.\n /\n // solhint-disable-next-line private-vars-leading-underscore\n bytes32 internal constant IMPLEMENTATION_SLOT = 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc;\n\n /\n @dev The `implementation` of the proxy is invalid.\n /\n error ERC1967InvalidImplementation(address implementation);\n\n /\n @dev The `admin` of the proxy is invalid.\n /\n error ERC1967InvalidAdmin(address admin);\n\n /\n @dev The `beacon` of the proxy is invalid.\n /\n error ERC1967InvalidBeacon(address beacon);\n\n /\n @dev An upgrade function sees `msg.value > 0` that may be lost.\n /\n error ERC1967NonPayable();\n\n /\n @dev Returns the current implementation address.\n /\n function getImplementation() internal view returns (address) {\n return StorageSlot.getAddressSlot(IMPLEMENTATION_SLOT).value;\n }\n\n /\n @dev Stores a new address in the EIP1967 implementation slot.\n /\n function _setImplementation(address newImplementation) private {\n if (newImplementation.code.length == 0) {\n revert ERC1967InvalidImplementation(newImplementation);\n }\n StorageSlot.getAddressSlot(IMPLEMENTATION_SLOT).value = newImplementation;\n }\n\n /\n @dev Performs implementation upgrade with additional setup call if data is nonempty.\n * This function is payable only if the setup call is performed, otherwise `msg.value` is rejected\n * to avoid stuck value in the contract.\n \n Emits an {IERC1967-Upgraded} event.\n /\n function upgradeToAndCall(address newImplementation, bytes memory data) internal {\n _setImplementation(newImplementation);\n emit Upgraded(newImplementation);\n\n if (data.length > 0) {\n Address.functionDelegateCall(newImplementation, data);\n } else {\n _checkNonPayable();\n }\n }\n\n /\n @dev Storage slot with the admin of the contract.\n * This is the keccak-256 hash of \"eip1967.proxy.admin\" subtracted by 1.\n /\n // solhint-disable-next-line private-vars-leading-underscore\n bytes32 internal constant ADMIN_SLOT = 0xb53127684a568b3173ae13b9f8a6016e243e63b6e8ee1178d6a717850b5d6103;\n\n /\n @dev Returns the current admin.\n \n TIP: To get this value clients can read directly from the storage slot shown below (specified by EIP1967) using\n * the https://eth.wiki/json-rpc/API#eth_getstorageat[`eth_getStorageAt`] RPC call.\n * `0xb53127684a568b3173ae13b9f8a6016e243e63b6e8ee1178d6a717850b5d6103`\n /\n function getAdmin() internal view returns (address) {\n return StorageSlot.getAddressSlot(ADMIN_SLOT).value;\n }\n\n /\n @dev Stores a new address in the EIP1967 admin slot.\n /\n function _setAdmin(address newAdmin) private {\n if (newAdmin == address(0)) {\n revert ERC1967InvalidAdmin(address(0));\n }\n StorageSlot.getAddressSlot(ADMIN_SLOT).value = newAdmin;\n }\n\n /\n @dev Changes the admin of the proxy.\n \n Emits an {IERC1967-AdminChanged} event.\n /\n function changeAdmin(address newAdmin) internal {\n emit AdminChanged(getAdmin(), newAdmin);\n _setAdmin(newAdmin);\n }\n\n /\n @dev The storage slot of the UpgradeableBeacon contract which defines the implementation for this proxy.\n * This is the keccak-256 hash of \"eip1967.proxy.beacon\" subtracted by 1.\n /\n // solhint-disable-next-line private-vars-leading-underscore\n bytes32 internal constant BEACON_SLOT = 0xa3f0ad74e5423aebfd80d3ef4346578335a9a72aeaee59ff6cb3582b35133d50;\n\n /\n @dev Returns the current beacon.\n /\n function getBeacon() internal view returns (address) {\n return StorageSlot.getAddressSlot(BEACON_SLOT).value;\n }\n\n /\n @dev Stores a new beacon in the EIP1967 beacon slot.\n /\n function _setBeacon(address newBeacon) private {\n if (newBeacon.code.length == 0) {\n revert ERC1967InvalidBeacon(newBeacon);\n }\n\n StorageSlot.getAddressSlot(BEACON_SLOT).value = newBeacon;\n\n address beaconImplementation = IBeacon(newBeacon).implementation();\n if (beaconImplementation.code.length == 0) {\n revert ERC1967InvalidImplementation(beaconImplementation);\n }\n }\n\n /\n @dev Change the beacon and trigger a setup call if data is nonempty.\n * This function is payable only if the setup call is performed, otherwise `msg.value` is rejected\n * to avoid stuck value in the contract.\n \n Emits an {IERC1967-BeaconUpgraded} event.\n \n CAUTION: Invoking this function has no effect on an instance of {BeaconProxy} since v5, since\n * it uses an immutable beacon without looking at the value of the ERC-1967 beacon slot for\n * efficiency.\n /\n function upgradeBeaconToAndCall(address newBeacon, bytes memory data) internal {\n _setBeacon(newBeacon);\n emit BeaconUpgraded(newBeacon);\n\n if (data.length > 0) {\n Address.functionDelegateCall(IBeacon(newBeacon).implementation(), data);\n } else {\n _checkNonPayable();\n }\n }\n\n /\n @dev Reverts if `msg.value` is not zero. It can be used to avoid `msg.value` stuck in the contract\n * if an upgrade doesn't perform an initialization call.\n /\n function _checkNonPayable() private {\n if (msg.value > 0) {\n revert ERC1967NonPayable();\n }\n }\n}\n" }, "lib/openzeppelin-contracts-upgradeable/contracts/utils/ContextUpgradeable.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.0.1) (utils/Context.sol)\n\npragma solidity ^0.8.20;\nimport {Initializable} from \"../proxy/utils/Initializable.sol\";\n\n/\n @dev Provides information about the current execution context, including the\n * sender of the transaction and its data. While these are generally available\n * via msg.sender and msg.data, they should not be accessed in such a direct\n * manner, since when dealing with meta-transactions the account sending and\n * paying for execution may not be the actual sender (as far as an application\n * is concerned).\n \n This contract is only required for intermediate, library-like contracts.\n /\nabstract contract ContextUpgradeable is Initializable {\n function __Context_init() internal onlyInitializing {\n }\n\n function __Context_init_unchained() internal onlyInitializing {\n }\n function _msgSender() internal view virtual returns (address) {\n return msg.sender;\n }\n\n function _msgData() internal view virtual returns (bytes calldata) {\n return msg.data;\n }\n\n function _contextSuffixLength() internal view virtual returns (uint256) {\n return 0;\n }\n}\n" }, "lib/openzeppelin-contracts-upgradeable/contracts/proxy/utils/Initializable.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.0.0) (proxy/utils/Initializable.sol)\n\npragma solidity ^0.8.20;\n\n/\n @dev This is a base contract to aid in writing upgradeable contracts, or any kind of contract that will be deployed\n * behind a proxy. Since proxied contracts do not make use of a constructor, it's common to move constructor logic to an\n * external initializer function, usually called `initialize`. It then becomes necessary to protect this initializer\n * function so it can only be called once. The {initializer} modifier provided by this contract will have this effect.\n \n The initialization functions use a version number. Once a version number is used, it is consumed and cannot be\n * reused. This mechanism prevents re-execution of each \"step\" but allows the creation of new initialization steps in\n * case an upgrade adds a module that needs to be initialized.\n \n For example:\n \n [.hljs-theme-light.nopadding]\n * ```solidity\n * contract MyToken is ERC20Upgradeable {\n * function initialize() initializer public {\n * __ERC20_init(\"MyToken\", \"MTK\");\n * }\n * }\n \n contract MyTokenV2 is MyToken, ERC20PermitUpgradeable {\n * function initializeV2() reinitializer(2) public {\n * __ERC20Permit_init(\"MyToken\");\n * }\n * }\n * ```\n \n TIP: To avoid leaving the proxy in an uninitialized state, the initializer function should be called as early as\n * possible by providing the encoded function call as the `_data` argument to {ERC1967Proxy-constructor}.\n \n CAUTION: When used with inheritance, manual care must be taken to not invoke a parent initializer twice, or to ensure\n * that all initializers are idempotent. This is not verified automatically as constructors are by Solidity.\n \n [CAUTION]\n * ====\n * Avoid leaving a contract uninitialized.\n \n An uninitialized contract can be taken over by an attacker. This applies to both a proxy and its implementation\n * contract, which may impact the proxy. To prevent the implementation contract from being used, you should invoke\n * the {_disableInitializers} function in the constructor to automatically lock it when it is deployed:\n \n [.hljs-theme-light.nopadding]\n * ```\n * /// @custom:oz-upgrades-unsafe-allow constructor\n * constructor() {\n * _disableInitializers();\n * }\n * ```\n * ====\n /\nabstract contract Initializable {\n /\n @dev Storage of the initializable contract.\n \n It's implemented on a custom ERC-7201 namespace to reduce the risk of storage collisions\n * when using with upgradeable contracts.\n \n @custom:storage-location erc7201:openzeppelin.storage.Initializable\n /\n struct InitializableStorage {\n /\n @dev Indicates that the contract has been initialized.\n /\n uint64 _initialized;\n /\n @dev Indicates that the contract is in the process of being initialized.\n /\n bool _initializing;\n }\n\n // keccak256(abi.encode(uint256(keccak256(\"openzeppelin.storage.Initializable\")) - 1)) & ~bytes32(uint256(0xff))\n bytes32 private constant INITIALIZABLE_STORAGE = 0xf0c57e16840df040f15088dc2f81fe391c3923bec73e23a9662efc9c229c6a00;\n\n /\n @dev The contract is already initialized.\n /\n error InvalidInitialization();\n\n /\n @dev The contract is not initializing.\n /\n error NotInitializing();\n\n /\n @dev Triggered when the contract has been initialized or reinitialized.\n /\n event Initialized(uint64 version);\n\n /\n @dev A modifier that defines a protected initializer function that can be invoked at most once. In its scope,\n * `onlyInitializing` functions can be used to initialize parent contracts.\n \n Similar to `reinitializer(1)`, except that in the context of a constructor an `initializer` may be invoked any\n * number of times. This behavior in the constructor can be useful during testing and is not expected to be used in\n * production.\n \n Emits an {Initialized} event.\n /\n modifier initializer() {\n // solhint-disable-next-line var-name-mixedcase\n InitializableStorage storage $ = _getInitializableStorage();\n\n // Cache values to avoid duplicated sloads\n bool isTopLevelCall = !$._initializing;\n uint64 initialized = $._initialized;\n\n // Allowed calls:\n // - initialSetup: the contract is not in the initializing state and no previous version was\n // initialized\n // - construction: the contract is initialized at version 1 (no reininitialization) and the\n // current contract is just being deployed\n bool initialSetup = initialized == 0 && isTopLevelCall;\n bool construction = initialized == 1 && address(this).code.length == 0;\n\n if (!initialSetup && !construction) {\n revert InvalidInitialization();\n }\n $._initialized = 1;\n if (isTopLevelCall) {\n $._initializing = true;\n }\n _;\n if (isTopLevelCall) {\n $._initializing = false;\n emit Initialized(1);\n }\n }\n\n /\n @dev A modifier that defines a protected reinitializer function that can be invoked at most once, and only if the\n * contract hasn't been initialized to a greater version before. In its scope, `onlyInitializing` functions can be\n * used to initialize parent contracts.\n \n A reinitializer may be used after the original initialization step. This is essential to configure modules that\n * are added through upgrades and that require initialization.\n \n When `version` is 1, this modifier is similar to `initializer`, except that functions marked with `reinitializer`\n * cannot be nested. If one is invoked in the context of another, execution will revert.\n \n Note that versions can jump in increments greater than 1; this implies that if multiple reinitializers coexist in\n * a contract, executing them in the right order is up to the developer or operator.\n \n WARNING: Setting the version to 2*64 - 1 will prevent any future reinitialization.\n \n * Emits an {Initialized} event.\n /\n modifier reinitializer(uint64 version) {\n // solhint-disable-next-line var-name-mixedcase\n InitializableStorage storage $ = _getInitializableStorage();\n\n if ($._initializing \|\| $._initialized >= version) {\n revert InvalidInitialization();\n }\n $._initialized = version;\n $._initializing = true;\n _;\n $._initializing = false;\n emit Initialized(version);\n }\n\n /\n @dev Modifier to protect an initialization function so that it can only be invoked by functions with the\n * {initializer} and {reinitializer} modifiers, directly or indirectly.\n /\n modifier onlyInitializing() {\n _checkInitializing();\n _;\n }\n\n /\n @dev Reverts if the contract is not in an initializing state. See {onlyInitializing}.\n /\n function _checkInitializing() internal view virtual {\n if (!_isInitializing()) {\n revert NotInitializing();\n }\n }\n\n /\n @dev Locks the contract, preventing any future reinitialization. This cannot be part of an initializer call.\n * Calling this in the constructor of a contract will prevent that contract from being initialized or reinitialized\n * to any version. It is recommended to use this to lock implementation contracts that are designed to be called\n * through proxies.\n \n Emits an {Initialized} event the first time it is successfully executed.\n /\n function _disableInitializers() internal virtual {\n // solhint-disable-next-line var-name-mixedcase\n InitializableStorage storage $ = _getInitializableStorage();\n\n if ($._initializing) {\n revert InvalidInitialization();\n }\n if ($._initialized != type(uint64).max) {\n $._initialized = type(uint64).max;\n emit Initialized(type(uint64).max);\n }\n }\n\n /\n @dev Returns the highest version that has been initialized. See {reinitializer}.\n /\n function _getInitializedVersion() internal view returns (uint64) {\n return _getInitializableStorage()._initialized;\n }\n\n /\n @dev Returns `true` if the contract is currently initializing. See {onlyInitializing}.\n /\n function _isInitializing() internal view returns (bool) {\n return _getInitializableStorage()._initializing;\n }\n\n /\n @dev Returns a pointer to the storage namespace.\n /\n // solhint-disable-next-line var-name-mixedcase\n function _getInitializableStorage() private pure returns (InitializableStorage storage $) {\n assembly {\n $.slot := INITIALIZABLE_STORAGE\n }\n }\n}\n" }, "lib/openzeppelin-contracts-upgradeable/lib/openzeppelin-contracts/contracts/interfaces/draft-IERC1822.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.0.0) (interfaces/draft-IERC1822.sol)\n\npragma solidity ^0.8.20;\n\n/\n @dev ERC1822: Universal Upgradeable Proxy Standard (UUPS) documents a method for upgradeability through a simplified\n * proxy whose upgrades are fully controlled by the current implementation.\n /\ninterface IERC1822Proxiable {\n /\n @dev Returns the storage slot that the proxiable contract assumes is being used to store the implementation\n * address.\n \n IMPORTANT: A proxy pointing at a proxiable contract should not be considered proxiable itself, because this risks\n * bricking a proxy that upgrades to it, by delegating to itself until out of gas. Thus it is critical that this\n * function revert if invoked through a proxy.\n /\n function proxiableUUID() external view returns (bytes32);\n}\n" }, "lib/openzeppelin-contracts-upgradeable/lib/openzeppelin-contracts/contracts/token/ERC721/ERC721.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.0.0) (token/ERC721/ERC721.sol)\n\npragma solidity ^0.8.20;\n\nimport {IERC721} from \"./IERC721.sol\";\nimport {IERC721Receiver} from \"./IERC721Receiver.sol\";\nimport {IERC721Metadata} from \"./extensions/IERC721Metadata.sol\";\nimport {Context} from \"../../utils/Context.sol\";\nimport {Strings} from \"../../utils/Strings.sol\";\nimport {IERC165, ERC165} from \"../../utils/introspection/ERC165.sol\";\nimport {IERC721Errors} from \"../../interfaces/draft-IERC6093.sol\";\n\n/\n @dev Implementation of https://eips.ethereum.org/EIPS/eip-721[ERC721] Non-Fungible Token Standard, including\n * the Metadata extension, but not including the Enumerable extension, which is available separately as\n * {ERC721Enumerable}.\n /\nabstract contract ERC721 is Context, ERC165, IERC721, IERC721Metadata, IERC721Errors {\n using Strings for uint256;\n\n // Token name\n string private _name;\n\n // Token symbol\n string private _symbol;\n\n mapping(uint256 tokenId => address) private _owners;\n\n mapping(address owner => uint256) private _balances;\n\n mapping(uint256 tokenId => address) private _tokenApprovals;\n\n mapping(address owner => mapping(address operator => bool)) private _operatorApprovals;\n\n /\n @dev Initializes the contract by setting a `name` and a `symbol` to the token collection.\n /\n constructor(string memory name_, string memory symbol_) {\n _name = name_;\n _symbol = symbol_;\n }\n\n /\n @dev See {IERC165-supportsInterface}.\n /\n function supportsInterface(bytes4 interfaceId) public view virtual override(ERC165, IERC165) returns (bool) {\n return\n interfaceId == type(IERC721).interfaceId \|\|\n interfaceId == type(IERC721Metadata).interfaceId \|\|\n super.supportsInterface(interfaceId);\n }\n\n /\n @dev See {IERC721-balanceOf}.\n /\n function balanceOf(address owner) public view virtual returns (uint256) {\n if (owner == address(0)) {\n revert ERC721InvalidOwner(address(0));\n }\n return _balances[owner];\n }\n\n /\n @dev See {IERC721-ownerOf}.\n /\n function ownerOf(uint256 tokenId) public view virtual returns (address) {\n return _requireOwned(tokenId);\n }\n\n /\n @dev See {IERC721Metadata-name}.\n /\n function name() public view virtual returns (string memory) {\n return _name;\n }\n\n /\n @dev See {IERC721Metadata-symbol}.\n /\n function symbol() public view virtual returns (string memory) {\n return _symbol;\n }\n\n /\n @dev See {IERC721Metadata-tokenURI}.\n /\n function tokenURI(uint256 tokenId) public view virtual returns (string memory) {\n _requireOwned(tokenId);\n\n string memory baseURI = _baseURI();\n return bytes(baseURI).length > 0 ? string.concat(baseURI, tokenId.toString()) : \"\";\n }\n\n /\n @dev Base URI for computing {tokenURI}. If set, the resulting URI for each\n * token will be the concatenation of the `baseURI` and the `tokenId`. Empty\n * by default, can be overridden in child contracts.\n /\n function _baseURI() internal view virtual returns (string memory) {\n return \"\";\n }\n\n /\n @dev See {IERC721-approve}.\n /\n function approve(address to, uint256 tokenId) public virtual {\n _approve(to, tokenId, _msgSender());\n }\n\n /\n @dev See {IERC721-getApproved}.\n /\n function getApproved(uint256 tokenId) public view virtual returns (address) {\n _requireOwned(tokenId);\n\n return _getApproved(tokenId);\n }\n\n /\n @dev See {IERC721-setApprovalForAll}.\n /\n function setApprovalForAll(address operator, bool approved) public virtual {\n _setApprovalForAll(_msgSender(), operator, approved);\n }\n\n /\n @dev See {IERC721-isApprovedForAll}.\n /\n function isApprovedForAll(address owner, address operator) public view virtual returns (bool) {\n return _operatorApprovals[owner][operator];\n }\n\n /\n @dev See {IERC721-transferFrom}.\n /\n function transferFrom(address from, address to, uint256 tokenId) public virtual {\n if (to == address(0)) {\n revert ERC721InvalidReceiver(address(0));\n }\n // Setting an \"auth\" arguments enables the `_isAuthorized` check which verifies that the token exists\n // (from != 0). Therefore, it is not needed to verify that the return value is not 0 here.\n address previousOwner = _update(to, tokenId, _msgSender());\n if (previousOwner != from) {\n revert ERC721IncorrectOwner(from, tokenId, previousOwner);\n }\n }\n\n /\n @dev See {IERC721-safeTransferFrom}.\n /\n function safeTransferFrom(address from, address to, uint256 tokenId) public {\n safeTransferFrom(from, to, tokenId, \"\");\n }\n\n /\n @dev See {IERC721-safeTransferFrom}.\n /\n function safeTransferFrom(address from, address to, uint256 tokenId, bytes memory data) public virtual {\n transferFrom(from, to, tokenId);\n _checkOnERC721Received(from, to, tokenId, data);\n }\n\n /\n @dev Returns the owner of the `tokenId`. Does NOT revert if token doesn't exist\n \n IMPORTANT: Any overrides to this function that add ownership of tokens not tracked by the\n * core ERC721 logic MUST be matched with the use of {_increaseBalance} to keep balances\n * consistent with ownership. The invariant to preserve is that for any address `a` the value returned by\n * `balanceOf(a)` must be equal to the number of tokens such that `_ownerOf(tokenId)` is `a`.\n /\n function _ownerOf(uint256 tokenId) internal view virtual returns (address) {\n return _owners[tokenId];\n }\n\n /\n @dev Returns the approved address for `tokenId`. Returns 0 if `tokenId` is not minted.\n /\n function _getApproved(uint256 tokenId) internal view virtual returns (address) {\n return _tokenApprovals[tokenId];\n }\n\n /\n @dev Returns whether `spender` is allowed to manage `owner`'s tokens, or `tokenId` in\n * particular (ignoring whether it is owned by `owner`).\n \n WARNING: This function assumes that `owner` is the actual owner of `tokenId` and does not verify this\n * assumption.\n /\n function _isAuthorized(address owner, address spender, uint256 tokenId) internal view virtual returns (bool) {\n return\n spender != address(0) &&\n (owner == spender \|\| isApprovedForAll(owner, spender) \|\| _getApproved(tokenId) == spender);\n }\n\n /\n @dev Checks if `spender` can operate on `tokenId`, assuming the provided `owner` is the actual owner.\n * Reverts if `spender` does not have approval from the provided `owner` for the given token or for all its assets\n * the `spender` for the specific `tokenId`.\n \n WARNING: This function assumes that `owner` is the actual owner of `tokenId` and does not verify this\n * assumption.\n /\n function _checkAuthorized(address owner, address spender, uint256 tokenId) internal view virtual {\n if (!_isAuthorized(owner, spender, tokenId)) {\n if (owner == address(0)) {\n revert ERC721NonexistentToken(tokenId);\n } else {\n revert ERC721InsufficientApproval(spender, tokenId);\n }\n }\n }\n\n /\n @dev Unsafe write access to the balances, used by extensions that \"mint\" tokens using an {ownerOf} override.\n \n NOTE: the value is limited to type(uint128).max. This protect against _balance overflow. It is unrealistic that\n * a uint256 would ever overflow from increments when these increments are bounded to uint128 values.\n \n WARNING: Increasing an account's balance using this function tends to be paired with an override of the\n * {_ownerOf} function to resolve the ownership of the corresponding tokens so that balances and ownership\n * remain consistent with one another.\n /\n function _increaseBalance(address account, uint128 value) internal virtual {\n unchecked {\n _balances[account] += value;\n }\n }\n\n /\n @dev Transfers `tokenId` from its current owner to `to`, or alternatively mints (or burns) if the current owner\n * (or `to`) is the zero address. Returns the owner of the `tokenId` before the update.\n \n The `auth` argument is optional. If the value passed is non 0, then this function will check that\n * `auth` is either the owner of the token, or approved to operate on the token (by the owner).\n \n Emits a {Transfer} event.\n \n NOTE: If overriding this function in a way that tracks balances, see also {_increaseBalance}.\n /\n function _update(address to, uint256 tokenId, address auth) internal virtual returns (address) {\n address from = _ownerOf(tokenId);\n\n // Perform (optional) operator check\n if (auth != address(0)) {\n _checkAuthorized(from, auth, tokenId);\n }\n\n // Execute the update\n if (from != address(0)) {\n // Clear approval. No need to re-authorize or emit the Approval event\n _approve(address(0), tokenId, address(0), false);\n\n unchecked {\n _balances[from] -= 1;\n }\n }\n\n if (to != address(0)) {\n unchecked {\n _balances[to] += 1;\n }\n }\n\n _owners[tokenId] = to;\n\n emit Transfer(from, to, tokenId);\n\n return from;\n }\n\n /\n @dev Mints `tokenId` and transfers it to `to`.\n \n WARNING: Usage of this method is discouraged, use {_safeMint} whenever possible\n \n Requirements:\n \n - `tokenId` must not exist.\n * - `to` cannot be the zero address.\n \n Emits a {Transfer} event.\n /\n function _mint(address to, uint256 tokenId) internal {\n if (to == address(0)) {\n revert ERC721InvalidReceiver(address(0));\n }\n address previousOwner = _update(to, tokenId, address(0));\n if (previousOwner != address(0)) {\n revert ERC721InvalidSender(address(0));\n }\n }\n\n /\n @dev Mints `tokenId`, transfers it to `to` and checks for `to` acceptance.\n \n Requirements:\n \n - `tokenId` must not exist.\n * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.\n \n Emits a {Transfer} event.\n /\n function _safeMint(address to, uint256 tokenId) internal {\n _safeMint(to, tokenId, \"\");\n }\n\n /\n @dev Same as {xref-ERC721-_safeMint-address-uint256-}[`_safeMint`], with an additional `data` parameter which is\n * forwarded in {IERC721Receiver-onERC721Received} to contract recipients.\n /\n function _safeMint(address to, uint256 tokenId, bytes memory data) internal virtual {\n _mint(to, tokenId);\n _checkOnERC721Received(address(0), to, tokenId, data);\n }\n\n /\n @dev Destroys `tokenId`.\n * The approval is cleared when the token is burned.\n * This is an internal function that does not check if the sender is authorized to operate on the token.\n \n Requirements:\n \n - `tokenId` must exist.\n \n Emits a {Transfer} event.\n /\n function _burn(uint256 tokenId) internal {\n address previousOwner = _update(address(0), tokenId, address(0));\n if (previousOwner == address(0)) {\n revert ERC721NonexistentToken(tokenId);\n }\n }\n\n /\n @dev Transfers `tokenId` from `from` to `to`.\n * As opposed to {transferFrom}, this imposes no restrictions on msg.sender.\n \n Requirements:\n \n - `to` cannot be the zero address.\n * - `tokenId` token must be owned by `from`.\n \n Emits a {Transfer} event.\n /\n function _transfer(address from, address to, uint256 tokenId) internal {\n if (to == address(0)) {\n revert ERC721InvalidReceiver(address(0));\n }\n address previousOwner = _update(to, tokenId, address(0));\n if (previousOwner == address(0)) {\n revert ERC721NonexistentToken(tokenId);\n } else if (previousOwner != from) {\n revert ERC721IncorrectOwner(from, tokenId, previousOwner);\n }\n }\n\n /\n @dev Safely transfers `tokenId` token from `from` to `to`, checking that contract recipients\n * are aware of the ERC721 standard to prevent tokens from being forever locked.\n \n `data` is additional data, it has no specified format and it is sent in call to `to`.\n \n This internal function is like {safeTransferFrom} in the sense that it invokes\n * {IERC721Receiver-onERC721Received} on the receiver, and can be used to e.g.\n * implement alternative mechanisms to perform token transfer, such as signature-based.\n \n Requirements:\n \n - `tokenId` token must exist and be owned by `from`.\n * - `to` cannot be the zero address.\n * - `from` cannot be the zero address.\n * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.\n \n Emits a {Transfer} event.\n /\n function _safeTransfer(address from, address to, uint256 tokenId) internal {\n _safeTransfer(from, to, tokenId, \"\");\n }\n\n /\n @dev Same as {xref-ERC721-_safeTransfer-address-address-uint256-}[`_safeTransfer`], with an additional `data` parameter which is\n * forwarded in {IERC721Receiver-onERC721Received} to contract recipients.\n /\n function _safeTransfer(address from, address to, uint256 tokenId, bytes memory data) internal virtual {\n _transfer(from, to, tokenId);\n _checkOnERC721Received(from, to, tokenId, data);\n }\n\n /\n @dev Approve `to` to operate on `tokenId`\n \n The `auth` argument is optional. If the value passed is non 0, then this function will check that `auth` is\n * either the owner of the token, or approved to operate on all tokens held by this owner.\n \n Emits an {Approval} event.\n \n Overrides to this logic should be done to the variant with an additional `bool emitEvent` argument.\n /\n function _approve(address to, uint256 tokenId, address auth) internal {\n _approve(to, tokenId, auth, true);\n }\n\n /\n @dev Variant of `_approve` with an optional flag to enable or disable the {Approval} event. The event is not\n * emitted in the context of transfers.\n /\n function _approve(address to, uint256 tokenId, address auth, bool emitEvent) internal virtual {\n // Avoid reading the owner unless necessary\n if (emitEvent \|\| auth != address(0)) {\n address owner = _requireOwned(tokenId);\n\n // We do not use _isAuthorized because single-token approvals should not be able to call approve\n if (auth != address(0) && owner != auth && !isApprovedForAll(owner, auth)) {\n revert ERC721InvalidApprover(auth);\n }\n\n if (emitEvent) {\n emit Approval(owner, to, tokenId);\n }\n }\n\n _tokenApprovals[tokenId] = to;\n }\n\n /\n @dev Approve `operator` to operate on all of `owner` tokens\n \n Requirements:\n * - operator can't be the address zero.\n \n Emits an {ApprovalForAll} event.\n /\n function _setApprovalForAll(address owner, address operator, bool approved) internal virtual {\n if (operator == address(0)) {\n revert ERC721InvalidOperator(operator);\n }\n _operatorApprovals[owner][operator] = approved;\n emit ApprovalForAll(owner, operator, approved);\n }\n\n /\n @dev Reverts if the `tokenId` doesn't have a current owner (it hasn't been minted, or it has been burned).\n * Returns the owner.\n \n Overrides to ownership logic should be done to {_ownerOf}.\n /\n function _requireOwned(uint256 tokenId) internal view returns (address) {\n address owner = _ownerOf(tokenId);\n if (owner == address(0)) {\n revert ERC721NonexistentToken(tokenId);\n }\n return owner;\n }\n\n /\n @dev Private function to invoke {IERC721Receiver-onERC721Received} on a target address. This will revert if the\n * recipient doesn't accept the token transfer. The call is not executed if the target address is not a contract.\n \n @param from address representing the previous owner of the given token ID\n * @param to target address that will receive the tokens\n * @param tokenId uint256 ID of the token to be transferred\n * @param data bytes optional data to send along with the call\n /\n function _checkOnERC721Received(address from, address to, uint256 tokenId, bytes memory data) private {\n if (to.code.length > 0) {\n try IERC721Receiver(to).onERC721Received(_msgSender(), from, tokenId, data) returns (bytes4 retval) {\n if (retval != IERC721Receiver.onERC721Received.selector) {\n revert ERC721InvalidReceiver(to);\n }\n } catch (bytes memory reason) {\n if (reason.length == 0) {\n revert ERC721InvalidReceiver(to);\n } else {\n /// @solidity memory-safe-assembly\n assembly {\n revert(add(32, reason), mload(reason))\n }\n }\n }\n }\n }\n}\n" }, "lib/openzeppelin-contracts-upgradeable/lib/openzeppelin-contracts/contracts/token/ERC721/extensions/IERC721Enumerable.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.0.0) (token/ERC721/extensions/IERC721Enumerable.sol)\n\npragma solidity ^0.8.20;\n\nimport {IERC721} from \"../IERC721.sol\";\n\n/\n @title ERC-721 Non-Fungible Token Standard, optional enumeration extension\n * @dev See https://eips.ethereum.org/EIPS/eip-721\n /\ninterface IERC721Enumerable is IERC721 {\n /\n @dev Returns the total amount of tokens stored by the contract.\n /\n function totalSupply() external view returns (uint256);\n\n /\n @dev Returns a token ID owned by `owner` at a given `index` of its token list.\n * Use along with {balanceOf} to enumerate all of ``owner``'s tokens.\n /\n function tokenOfOwnerByIndex(address owner, uint256 index) external view returns (uint256);\n\n /\n @dev Returns a token ID at a given `index` of all the tokens stored by the contract.\n * Use along with {totalSupply} to enumerate all tokens.\n /\n function tokenByIndex(uint256 index) external view returns (uint256);\n}\n" }, "lib/openzeppelin-contracts-upgradeable/lib/openzeppelin-contracts/contracts/utils/introspection/ERC165.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.0.0) (utils/introspection/ERC165.sol)\n\npragma solidity ^0.8.20;\n\nimport {IERC165} from \"./IERC165.sol\";\n\n/\n @dev Implementation of the {IERC165} interface.\n \n Contracts that want to implement ERC165 should inherit from this contract and override {supportsInterface} to check\n * for the additional interface id that will be supported. For example:\n \n ```solidity\n * function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {\n * return interfaceId == type(MyInterface).interfaceId \|\| super.supportsInterface(interfaceId);\n * }\n * ```\n /\nabstract contract ERC165 is IERC165 {\n /\n @dev See {IERC165-supportsInterface}.\n /\n function supportsInterface(bytes4 interfaceId) public view virtual returns (bool) {\n return interfaceId == type(IERC165).interfaceId;\n }\n}\n" }, "lib/forge-std/src/interfaces/IERC165.sol": { "content": "// SPDX-License-Identifier: MIT\npragma solidity >=0.6.2;\n\ninterface IERC165 {\n /// @notice Query if a contract implements an interface\n /// @param interfaceID The interface identifier, as specified in ERC-165\n /// @dev Interface identification is specified in ERC-165. This function\n /// uses less than 30,000 gas.\n /// @return `true` if the contract implements `interfaceID` and\n /// `interfaceID` is not 0xffffffff, `false` otherwise\n function supportsInterface(bytes4 interfaceID) external view returns (bool);\n}\n" }, "lib/openzeppelin-contracts-upgradeable/lib/openzeppelin-contracts/contracts/proxy/beacon/IBeacon.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.0.0) (proxy/beacon/IBeacon.sol)\n\npragma solidity ^0.8.20;\n\n/\n @dev This is the interface that {BeaconProxy} expects of its beacon.\n /\ninterface IBeacon {\n /\n @dev Must return an address that can be used as a delegate call target.\n \n {UpgradeableBeacon} will check that this address is a contract.\n /\n function implementation() external view returns (address);\n}\n" }, "lib/openzeppelin-contracts-upgradeable/lib/openzeppelin-contracts/contracts/utils/Address.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.0.0) (utils/Address.sol)\n\npragma solidity ^0.8.20;\n\n/\n @dev Collection of functions related to the address type\n /\nlibrary Address {\n /\n @dev The ETH balance of the account is not enough to perform the operation.\n /\n error AddressInsufficientBalance(address account);\n\n /\n @dev There's no code at `target` (it is not a contract).\n /\n error AddressEmptyCode(address target);\n\n /\n @dev A call to an address target failed. The target may have reverted.\n /\n error FailedInnerCall();\n\n /\n @dev Replacement for Solidity's `transfer`: sends `amount` wei to\n * `recipient`, forwarding all available gas and reverting on errors.\n \n https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost\n * of certain opcodes, possibly making contracts go over the 2300 gas limit\n * imposed by `transfer`, making them unable to receive funds via\n * `transfer`. {sendValue} removes this limitation.\n \n https://consensys.net/diligence/blog/2019/09/stop-using-soliditys-transfer-now/[Learn more].\n \n IMPORTANT: because control is transferred to `recipient`, care must be\n * taken to not create reentrancy vulnerabilities. Consider using\n * {ReentrancyGuard} or the\n * https://solidity.readthedocs.io/en/v0.8.20/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].\n /\n function sendValue(address payable recipient, uint256 amount) internal {\n if (address(this).balance < amount) {\n revert AddressInsufficientBalance(address(this));\n }\n\n (bool success, ) = recipient.call{value: amount}(\"\");\n if (!success) {\n revert FailedInnerCall();\n }\n }\n\n /\n @dev Performs a Solidity function call using a low level `call`. A\n * plain `call` is an unsafe replacement for a function call: use this\n * function instead.\n \n If `target` reverts with a revert reason or custom error, it is bubbled\n * up by this function (like regular Solidity function calls). However, if\n * the call reverted with no returned reason, this function reverts with a\n * {FailedInnerCall} error.\n \n Returns the raw returned data. To convert to the expected return value,\n * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].\n \n Requirements:\n \n - `target` must be a contract.\n * - calling `target` with `data` must not revert.\n /\n function functionCall(address target, bytes memory data) internal returns (bytes memory) {\n return functionCallWithValue(target, data, 0);\n }\n\n /\n @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],\n * but also transferring `value` wei to `target`.\n \n Requirements:\n \n - the calling contract must have an ETH balance of at least `value`.\n * - the called Solidity function must be `payable`.\n /\n function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) {\n if (address(this).balance < value) {\n revert AddressInsufficientBalance(address(this));\n }\n (bool success, bytes memory returndata) = target.call{value: value}(data);\n return verifyCallResultFromTarget(target, success, returndata);\n }\n\n /\n @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],\n * but performing a static call.\n /\n function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {\n (bool success, bytes memory returndata) = target.staticcall(data);\n return verifyCallResultFromTarget(target, success, returndata);\n }\n\n /\n @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],\n * but performing a delegate call.\n /\n function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {\n (bool success, bytes memory returndata) = target.delegatecall(data);\n return verifyCallResultFromTarget(target, success, returndata);\n }\n\n /\n @dev Tool to verify that a low level call to smart-contract was successful, and reverts if the target\n * was not a contract or bubbling up the revert reason (falling back to {FailedInnerCall}) in case of an\n * unsuccessful call.\n /\n function verifyCallResultFromTarget(\n address target,\n bool success,\n bytes memory returndata\n ) internal view returns (bytes memory) {\n if (!success) {\n _revert(returndata);\n } else {\n // only check if target is a contract if the call was successful and the return data is empty\n // otherwise we already know that it was a contract\n if (returndata.length == 0 && target.code.length == 0) {\n revert AddressEmptyCode(target);\n }\n return returndata;\n }\n }\n\n /\n @dev Tool to verify that a low level call was successful, and reverts if it wasn't, either by bubbling the\n * revert reason or with a default {FailedInnerCall} error.\n /\n function verifyCallResult(bool success, bytes memory returndata) internal pure returns (bytes memory) {\n if (!success) {\n _revert(returndata);\n } else {\n return returndata;\n }\n }\n\n /\n @dev Reverts with returndata if present. Otherwise reverts with {FailedInnerCall}.\n /\n function _revert(bytes memory returndata) private pure {\n // Look for revert reason and bubble it up if present\n if (returndata.length > 0) {\n // The easiest way to bubble the revert reason is using memory via assembly\n /// @solidity memory-safe-assembly\n assembly {\n let returndata_size := mload(returndata)\n revert(add(32, returndata), returndata_size)\n }\n } else {\n revert FailedInnerCall();\n }\n }\n}\n" }, "lib/openzeppelin-contracts-upgradeable/lib/openzeppelin-contracts/contracts/utils/StorageSlot.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.0.0) (utils/StorageSlot.sol)\n// This file was procedurally generated from scripts/generate/templates/StorageSlot.js.\n\npragma solidity ^0.8.20;\n\n/\n @dev Library for reading and writing primitive types to specific storage slots.\n \n Storage slots are often used to avoid storage conflict when dealing with upgradeable contracts.\n * This library helps with reading and writing to such slots without the need for inline assembly.\n \n The functions in this library return Slot structs that contain a `value` member that can be used to read or write.\n \n Example usage to set ERC1967 implementation slot:\n * ```solidity\n * contract ERC1967 {\n * bytes32 internal constant _IMPLEMENTATION_SLOT = 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc;\n \n function _getImplementation() internal view returns (address) {\n * return StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value;\n * }\n \n function _setImplementation(address newImplementation) internal {\n * require(newImplementation.code.length > 0);\n * StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value = newImplementation;\n * }\n * }\n * ```\n /\nlibrary StorageSlot {\n struct AddressSlot {\n address value;\n }\n\n struct BooleanSlot {\n bool value;\n }\n\n struct Bytes32Slot {\n bytes32 value;\n }\n\n struct Uint256Slot {\n uint256 value;\n }\n\n struct StringSlot {\n string value;\n }\n\n struct BytesSlot {\n bytes value;\n }\n\n /\n @dev Returns an `AddressSlot` with member `value` located at `slot`.\n /\n function getAddressSlot(bytes32 slot) internal pure returns (AddressSlot storage r) {\n /// @solidity memory-safe-assembly\n assembly {\n r.slot := slot\n }\n }\n\n /\n @dev Returns an `BooleanSlot` with member `value` located at `slot`.\n /\n function getBooleanSlot(bytes32 slot) internal pure returns (BooleanSlot storage r) {\n /// @solidity memory-safe-assembly\n assembly {\n r.slot := slot\n }\n }\n\n /\n @dev Returns an `Bytes32Slot` with member `value` located at `slot`.\n /\n function getBytes32Slot(bytes32 slot) internal pure returns (Bytes32Slot storage r) {\n /// @solidity memory-safe-assembly\n assembly {\n r.slot := slot\n }\n }\n\n /\n @dev Returns an `Uint256Slot` with member `value` located at `slot`.\n /\n function getUint256Slot(bytes32 slot) internal pure returns (Uint256Slot storage r) {\n /// @solidity memory-safe-assembly\n assembly {\n r.slot := slot\n }\n }\n\n /\n @dev Returns an `StringSlot` with member `value` located at `slot`.\n /\n function getStringSlot(bytes32 slot) internal pure returns (StringSlot storage r) {\n /// @solidity memory-safe-assembly\n assembly {\n r.slot := slot\n }\n }\n\n /\n @dev Returns an `StringSlot` representation of the string storage pointer `store`.\n /\n function getStringSlot(string storage store) internal pure returns (StringSlot storage r) {\n /// @solidity memory-safe-assembly\n assembly {\n r.slot := store.slot\n }\n }\n\n /\n @dev Returns an `BytesSlot` with member `value` located at `slot`.\n /\n function getBytesSlot(bytes32 slot) internal pure returns (BytesSlot storage r) {\n /// @solidity memory-safe-assembly\n assembly {\n r.slot := slot\n }\n }\n\n /\n @dev Returns an `BytesSlot` representation of the bytes storage pointer `store`.\n /\n function getBytesSlot(bytes storage store) internal pure returns (BytesSlot storage r) {\n /// @solidity memory-safe-assembly\n assembly {\n r.slot := store.slot\n }\n }\n}\n" }, "lib/openzeppelin-contracts-upgradeable/lib/openzeppelin-contracts/contracts/token/ERC721/IERC721.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.0.0) (token/ERC721/IERC721.sol)\n\npragma solidity ^0.8.20;\n\nimport {IERC165} from \"../../utils/introspection/IERC165.sol\";\n\n/\n @dev Required interface of an ERC721 compliant contract.\n /\ninterface IERC721 is IERC165 {\n /\n @dev Emitted when `tokenId` token is transferred from `from` to `to`.\n /\n event Transfer(address indexed from, address indexed to, uint256 indexed tokenId);\n\n /\n @dev Emitted when `owner` enables `approved` to manage the `tokenId` token.\n /\n event Approval(address indexed owner, address indexed approved, uint256 indexed tokenId);\n\n /\n @dev Emitted when `owner` enables or disables (`approved`) `operator` to manage all of its assets.\n /\n event ApprovalForAll(address indexed owner, address indexed operator, bool approved);\n\n /\n @dev Returns the number of tokens in ``owner``'s account.\n /\n function balanceOf(address owner) external view returns (uint256 balance);\n\n /\n @dev Returns the owner of the `tokenId` token.\n \n Requirements:\n \n - `tokenId` must exist.\n /\n function ownerOf(uint256 tokenId) external view returns (address owner);\n\n /\n @dev Safely transfers `tokenId` token from `from` to `to`.\n \n Requirements:\n \n - `from` cannot be the zero address.\n * - `to` cannot be the zero address.\n * - `tokenId` token must exist and be owned by `from`.\n * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}.\n * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon\n * a safe transfer.\n \n Emits a {Transfer} event.\n /\n function safeTransferFrom(address from, address to, uint256 tokenId, bytes calldata data) external;\n\n /\n @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients\n * are aware of the ERC721 protocol to prevent tokens from being forever locked.\n \n Requirements:\n \n - `from` cannot be the zero address.\n * - `to` cannot be the zero address.\n * - `tokenId` token must exist and be owned by `from`.\n * - If the caller is not `from`, it must have been allowed to move this token by either {approve} or\n * {setApprovalForAll}.\n * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon\n * a safe transfer.\n \n Emits a {Transfer} event.\n /\n function safeTransferFrom(address from, address to, uint256 tokenId) external;\n\n /\n @dev Transfers `tokenId` token from `from` to `to`.\n \n WARNING: Note that the caller is responsible to confirm that the recipient is capable of receiving ERC721\n * or else they may be permanently lost. Usage of {safeTransferFrom} prevents loss, though the caller must\n * understand this adds an external call which potentially creates a reentrancy vulnerability.\n \n Requirements:\n \n - `from` cannot be the zero address.\n * - `to` cannot be the zero address.\n * - `tokenId` token must be owned by `from`.\n * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}.\n \n Emits a {Transfer} event.\n /\n function transferFrom(address from, address to, uint256 tokenId) external;\n\n /\n @dev Gives permission to `to` to transfer `tokenId` token to another account.\n * The approval is cleared when the token is transferred.\n \n Only a single account can be approved at a time, so approving the zero address clears previous approvals.\n \n Requirements:\n \n - The caller must own the token or be an approved operator.\n * - `tokenId` must exist.\n \n Emits an {Approval} event.\n /\n function approve(address to, uint256 tokenId) external;\n\n /\n @dev Approve or remove `operator` as an operator for the caller.\n * Operators can call {transferFrom} or {safeTransferFrom} for any token owned by the caller.\n \n Requirements:\n \n - The `operator` cannot be the address zero.\n \n Emits an {ApprovalForAll} event.\n /\n function setApprovalForAll(address operator, bool approved) external;\n\n /\n @dev Returns the account approved for `tokenId` token.\n \n Requirements:\n \n - `tokenId` must exist.\n /\n function getApproved(uint256 tokenId) external view returns (address operator);\n\n /\n @dev Returns if the `operator` is allowed to manage all of the assets of `owner`.\n \n See {setApprovalForAll}\n /\n function isApprovedForAll(address owner, address operator) external view returns (bool);\n}\n" }, "lib/openzeppelin-contracts-upgradeable/lib/openzeppelin-contracts/contracts/token/ERC721/IERC721Receiver.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.0.0) (token/ERC721/IERC721Receiver.sol)\n\npragma solidity ^0.8.20;\n\n/\n @title ERC721 token receiver interface\n * @dev Interface for any contract that wants to support safeTransfers\n * from ERC721 asset contracts.\n /\ninterface IERC721Receiver {\n /\n @dev Whenever an {IERC721} `tokenId` token is transferred to this contract via {IERC721-safeTransferFrom}\n * by `operator` from `from`, this function is called.\n \n It must return its Solidity selector to confirm the token transfer.\n * If any other value is returned or the interface is not implemented by the recipient, the transfer will be\n * reverted.\n \n The selector can be obtained in Solidity with `IERC721Receiver.onERC721Received.selector`.\n /\n function onERC721Received(\n address operator,\n address from,\n uint256 tokenId,\n bytes calldata data\n ) external returns (bytes4);\n}\n" }, "lib/openzeppelin-contracts-upgradeable/lib/openzeppelin-contracts/contracts/token/ERC721/extensions/IERC721Metadata.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.0.0) (token/ERC721/extensions/IERC721Metadata.sol)\n\npragma solidity ^0.8.20;\n\nimport {IERC721} from \"../IERC721.sol\";\n\n/\n @title ERC-721 Non-Fungible Token Standard, optional metadata extension\n * @dev See https://eips.ethereum.org/EIPS/eip-721\n /\ninterface IERC721Metadata is IERC721 {\n /\n @dev Returns the token collection name.\n /\n function name() external view returns (string memory);\n\n /\n @dev Returns the token collection symbol.\n /\n function symbol() external view returns (string memory);\n\n /\n @dev Returns the Uniform Resource Identifier (URI) for `tokenId` token.\n /\n function tokenURI(uint256 tokenId) external view returns (string memory);\n}\n" }, "lib/openzeppelin-contracts-upgradeable/lib/openzeppelin-contracts/contracts/utils/Context.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.0.1) (utils/Context.sol)\n\npragma solidity ^0.8.20;\n\n/\n @dev Provides information about the current execution context, including the\n * sender of the transaction and its data. While these are generally available\n * via msg.sender and msg.data, they should not be accessed in such a direct\n * manner, since when dealing with meta-transactions the account sending and\n * paying for execution may not be the actual sender (as far as an application\n * is concerned).\n \n This contract is only required for intermediate, library-like contracts.\n /\nabstract contract Context {\n function _msgSender() internal view virtual returns (address) {\n return msg.sender;\n }\n\n function _msgData() internal view virtual returns (bytes calldata) {\n return msg.data;\n }\n\n function _contextSuffixLength() internal view virtual returns (uint256) {\n return 0;\n }\n}\n" }, "lib/openzeppelin-contracts-upgradeable/lib/openzeppelin-contracts/contracts/utils/Strings.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.0.0) (utils/Strings.sol)\n\npragma solidity ^0.8.20;\n\nimport {Math} from \"./math/Math.sol\";\nimport {SignedMath} from \"./math/SignedMath.sol\";\n\n/\n @dev String operations.\n /\nlibrary Strings {\n bytes16 private constant HEX_DIGITS = \"0123456789abcdef\";\n uint8 private constant ADDRESS_LENGTH = 20;\n\n /\n @dev The `value` string doesn't fit in the specified `length`.\n /\n error StringsInsufficientHexLength(uint256 value, uint256 length);\n\n /\n @dev Converts a `uint256` to its ASCII `string` decimal representation.\n /\n function toString(uint256 value) internal pure returns (string memory) {\n unchecked {\n uint256 length = Math.log10(value) + 1;\n string memory buffer = new string(length);\n uint256 ptr;\n /// @solidity memory-safe-assembly\n assembly {\n ptr := add(buffer, add(32, length))\n }\n while (true) {\n ptr--;\n /// @solidity memory-safe-assembly\n assembly {\n mstore8(ptr, byte(mod(value, 10), HEX_DIGITS))\n }\n value /= 10;\n if (value == 0) break;\n }\n return buffer;\n }\n }\n\n /\n @dev Converts a `int256` to its ASCII `string` decimal representation.\n /\n function toStringSigned(int256 value) internal pure returns (string memory) {\n return string.concat(value < 0 ? \"-\" : \"\", toString(SignedMath.abs(value)));\n }\n\n /\n @dev Converts a `uint256` to its ASCII `string` hexadecimal representation.\n /\n function toHexString(uint256 value) internal pure returns (string memory) {\n unchecked {\n return toHexString(value, Math.log256(value) + 1);\n }\n }\n\n /\n @dev Converts a `uint256` to its ASCII `string` hexadecimal representation with fixed length.\n /\n function toHexString(uint256 value, uint256 length) internal pure returns (string memory) {\n uint256 localValue = value;\n bytes memory buffer = new bytes(2 length + 2);\n buffer[0] = \"0\";\n buffer[1] = \"x\";\n for (uint256 i = 2 * length + 1; i > 1; --i) {\n buffer[i] = HEX_DIGITS[localValue & 0xf];\n localValue >>= 4;\n }\n if (localValue != 0) {\n revert StringsInsufficientHexLength(value, length);\n }\n return string(buffer);\n }\n\n /*\n @dev Converts an `address` with fixed length of 20 bytes to its not checksummed ASCII `string` hexadecimal\n * representation.\n /\n function toHexString(address addr) internal pure returns (string memory) {\n return toHexString(uint256(uint160(addr)), ADDRESS_LENGTH);\n }\n\n /\n @dev Returns true if the two strings are equal.\n /\n function equal(string memory a, string memory b) internal pure returns (bool) {\n return bytes(a).length == bytes(b).length && keccak256(bytes(a)) == keccak256(bytes(b));\n }\n}\n" }, "lib/openzeppelin-contracts-upgradeable/lib/openzeppelin-contracts/contracts/interfaces/draft-IERC6093.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.0.0) (interfaces/draft-IERC6093.sol)\npragma solidity ^0.8.20;\n\n/\n @dev Standard ERC20 Errors\n * Interface of the https://eips.ethereum.org/EIPS/eip-6093[ERC-6093] custom errors for ERC20 tokens.\n /\ninterface IERC20Errors {\n /\n @dev Indicates an error related to the current `balance` of a `sender`. Used in transfers.\n * @param sender Address whose tokens are being transferred.\n * @param balance Current balance for the interacting account.\n * @param needed Minimum amount required to perform a transfer.\n /\n error ERC20InsufficientBalance(address sender, uint256 balance, uint256 needed);\n\n /\n @dev Indicates a failure with the token `sender`. Used in transfers.\n * @param sender Address whose tokens are being transferred.\n /\n error ERC20InvalidSender(address sender);\n\n /\n @dev Indicates a failure with the token `receiver`. Used in transfers.\n * @param receiver Address to which tokens are being transferred.\n /\n error ERC20InvalidReceiver(address receiver);\n\n /\n @dev Indicates a failure with the `spender`’s `allowance`. Used in transfers.\n * @param spender Address that may be allowed to operate on tokens without being their owner.\n * @param allowance Amount of tokens a `spender` is allowed to operate with.\n * @param needed Minimum amount required to perform a transfer.\n /\n error ERC20InsufficientAllowance(address spender, uint256 allowance, uint256 needed);\n\n /\n @dev Indicates a failure with the `approver` of a token to be approved. Used in approvals.\n * @param approver Address initiating an approval operation.\n /\n error ERC20InvalidApprover(address approver);\n\n /\n @dev Indicates a failure with the `spender` to be approved. Used in approvals.\n * @param spender Address that may be allowed to operate on tokens without being their owner.\n /\n error ERC20InvalidSpender(address spender);\n}\n\n/\n @dev Standard ERC721 Errors\n * Interface of the https://eips.ethereum.org/EIPS/eip-6093[ERC-6093] custom errors for ERC721 tokens.\n /\ninterface IERC721Errors {\n /\n @dev Indicates that an address can't be an owner. For example, `address(0)` is a forbidden owner in EIP-20.\n * Used in balance queries.\n * @param owner Address of the current owner of a token.\n /\n error ERC721InvalidOwner(address owner);\n\n /\n @dev Indicates a `tokenId` whose `owner` is the zero address.\n * @param tokenId Identifier number of a token.\n /\n error ERC721NonexistentToken(uint256 tokenId);\n\n /\n @dev Indicates an error related to the ownership over a particular token. Used in transfers.\n * @param sender Address whose tokens are being transferred.\n * @param tokenId Identifier number of a token.\n * @param owner Address of the current owner of a token.\n /\n error ERC721IncorrectOwner(address sender, uint256 tokenId, address owner);\n\n /\n @dev Indicates a failure with the token `sender`. Used in transfers.\n * @param sender Address whose tokens are being transferred.\n /\n error ERC721InvalidSender(address sender);\n\n /\n @dev Indicates a failure with the token `receiver`. Used in transfers.\n * @param receiver Address to which tokens are being transferred.\n /\n error ERC721InvalidReceiver(address receiver);\n\n /\n @dev Indicates a failure with the `operator`’s approval. Used in transfers.\n * @param operator Address that may be allowed to operate on tokens without being their owner.\n * @param tokenId Identifier number of a token.\n /\n error ERC721InsufficientApproval(address operator, uint256 tokenId);\n\n /\n @dev Indicates a failure with the `approver` of a token to be approved. Used in approvals.\n * @param approver Address initiating an approval operation.\n /\n error ERC721InvalidApprover(address approver);\n\n /\n @dev Indicates a failure with the `operator` to be approved. Used in approvals.\n * @param operator Address that may be allowed to operate on tokens without being their owner.\n /\n error ERC721InvalidOperator(address operator);\n}\n\n/\n @dev Standard ERC1155 Errors\n * Interface of the https://eips.ethereum.org/EIPS/eip-6093[ERC-6093] custom errors for ERC1155 tokens.\n /\ninterface IERC1155Errors {\n /\n @dev Indicates an error related to the current `balance` of a `sender`. Used in transfers.\n * @param sender Address whose tokens are being transferred.\n * @param balance Current balance for the interacting account.\n * @param needed Minimum amount required to perform a transfer.\n * @param tokenId Identifier number of a token.\n /\n error ERC1155InsufficientBalance(address sender, uint256 balance, uint256 needed, uint256 tokenId);\n\n /\n @dev Indicates a failure with the token `sender`. Used in transfers.\n * @param sender Address whose tokens are being transferred.\n /\n error ERC1155InvalidSender(address sender);\n\n /\n @dev Indicates a failure with the token `receiver`. Used in transfers.\n * @param receiver Address to which tokens are being transferred.\n /\n error ERC1155InvalidReceiver(address receiver);\n\n /\n @dev Indicates a failure with the `operator`’s approval. Used in transfers.\n * @param operator Address that may be allowed to operate on tokens without being their owner.\n * @param owner Address of the current owner of a token.\n /\n error ERC1155MissingApprovalForAll(address operator, address owner);\n\n /\n @dev Indicates a failure with the `approver` of a token to be approved. Used in approvals.\n * @param approver Address initiating an approval operation.\n /\n error ERC1155InvalidApprover(address approver);\n\n /\n @dev Indicates a failure with the `operator` to be approved. Used in approvals.\n * @param operator Address that may be allowed to operate on tokens without being their owner.\n /\n error ERC1155InvalidOperator(address operator);\n\n /\n @dev Indicates an array length mismatch between ids and values in a safeBatchTransferFrom operation.\n * Used in batch transfers.\n * @param idsLength Length of the array of token identifiers\n * @param valuesLength Length of the array of token amounts\n /\n error ERC1155InvalidArrayLength(uint256 idsLength, uint256 valuesLength);\n}\n" }, "lib/openzeppelin-contracts-upgradeable/lib/openzeppelin-contracts/contracts/utils/introspection/IERC165.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.0.0) (utils/introspection/IERC165.sol)\n\npragma solidity ^0.8.20;\n\n/\n @dev Interface of the ERC165 standard, as defined in the\n * https://eips.ethereum.org/EIPS/eip-165[EIP].\n \n Implementers can declare support of contract interfaces, which can then be\n * queried by others ({ERC165Checker}).\n \n For an implementation, see {ERC165}.\n /\ninterface IERC165 {\n /\n @dev Returns true if this contract implements the interface defined by\n * `interfaceId`. See the corresponding\n * https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section]\n * to learn more about how these ids are created.\n \n This function call must use less than 30 000 gas.\n /\n function supportsInterface(bytes4 interfaceId) external view returns (bool);\n}\n" }, "lib/openzeppelin-contracts-upgradeable/lib/openzeppelin-contracts/contracts/utils/math/Math.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.0.0) (utils/math/Math.sol)\n\npragma solidity ^0.8.20;\n\n/\n @dev Standard math utilities missing in the Solidity language.\n /\nlibrary Math {\n /\n @dev Muldiv operation overflow.\n /\n error MathOverflowedMulDiv();\n\n enum Rounding {\n Floor, // Toward negative infinity\n Ceil, // Toward positive infinity\n Trunc, // Toward zero\n Expand // Away from zero\n }\n\n /\n @dev Returns the addition of two unsigned integers, with an overflow flag.\n /\n function tryAdd(uint256 a, uint256 b) internal pure returns (bool, uint256) {\n unchecked {\n uint256 c = a + b;\n if (c < a) return (false, 0);\n return (true, c);\n }\n }\n\n /\n @dev Returns the subtraction of two unsigned integers, with an overflow flag.\n /\n function trySub(uint256 a, uint256 b) internal pure returns (bool, uint256) {\n unchecked {\n if (b > a) return (false, 0);\n return (true, a - b);\n }\n }\n\n /\n @dev Returns the multiplication of two unsigned integers, with an overflow flag.\n /\n function tryMul(uint256 a, uint256 b) internal pure returns (bool, uint256) {\n unchecked {\n // Gas optimization: this is cheaper than requiring 'a' not being zero, but the\n // benefit is lost if 'b' is also tested.\n // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522\n if (a == 0) return (true, 0);\n uint256 c = a b;\n if (c / a != b) return (false, 0);\n return (true, c);\n }\n }\n\n /*\n @dev Returns the division of two unsigned integers, with a division by zero flag.\n /\n function tryDiv(uint256 a, uint256 b) internal pure returns (bool, uint256) {\n unchecked {\n if (b == 0) return (false, 0);\n return (true, a / b);\n }\n }\n\n /\n @dev Returns the remainder of dividing two unsigned integers, with a division by zero flag.\n /\n function tryMod(uint256 a, uint256 b) internal pure returns (bool, uint256) {\n unchecked {\n if (b == 0) return (false, 0);\n return (true, a % b);\n }\n }\n\n /\n @dev Returns the largest of two numbers.\n /\n function max(uint256 a, uint256 b) internal pure returns (uint256) {\n return a > b ? a : b;\n }\n\n /\n @dev Returns the smallest of two numbers.\n /\n function min(uint256 a, uint256 b) internal pure returns (uint256) {\n return a < b ? a : b;\n }\n\n /\n @dev Returns the average of two numbers. The result is rounded towards\n * zero.\n /\n function average(uint256 a, uint256 b) internal pure returns (uint256) {\n // (a + b) / 2 can overflow.\n return (a & b) + (a ^ b) / 2;\n }\n\n /\n @dev Returns the ceiling of the division of two numbers.\n \n This differs from standard division with `/` in that it rounds towards infinity instead\n * of rounding towards zero.\n /\n function ceilDiv(uint256 a, uint256 b) internal pure returns (uint256) {\n if (b == 0) {\n // Guarantee the same behavior as in a regular Solidity division.\n return a / b;\n }\n\n // (a + b - 1) / b can overflow on addition, so we distribute.\n return a == 0 ? 0 : (a - 1) / b + 1;\n }\n\n /\n @notice Calculates floor(x * y / denominator) with full precision. Throws if result overflows a uint256 or\n * denominator == 0.\n * @dev Original credit to Remco Bloemen under MIT license (https://xn--2-umb.com/21/muldiv) with further edits by\n * Uniswap Labs also under MIT license.\n /\n function mulDiv(uint256 x, uint256 y, uint256 denominator) internal pure returns (uint256 result) {\n unchecked {\n // 512-bit multiply [prod1 prod0] = x y. Compute the product mod 2^256 and mod 2^256 - 1, then use\n // use the Chinese Remainder Theorem to reconstruct the 512 bit result. The result is stored in two 256\n // variables such that product = prod1 * 2^256 + prod0.\n uint256 prod0 = x * y; // Least significant 256 bits of the product\n uint256 prod1; // Most significant 256 bits of the product\n assembly {\n let mm := mulmod(x, y, not(0))\n prod1 := sub(sub(mm, prod0), lt(mm, prod0))\n }\n\n // Handle non-overflow cases, 256 by 256 division.\n if (prod1 == 0) {\n // Solidity will revert if denominator == 0, unlike the div opcode on its own.\n // The surrounding unchecked block does not change this fact.\n // See https://docs.soliditylang.org/en/latest/control-structures.html#checked-or-unchecked-arithmetic.\n return prod0 / denominator;\n }\n\n // Make sure the result is less than 2^256. Also prevents denominator == 0.\n if (denominator <= prod1) {\n revert MathOverflowedMulDiv();\n }\n\n ///////////////////////////////////////////////\n // 512 by 256 division.\n ///////////////////////////////////////////////\n\n // Make division exact by subtracting the remainder from [prod1 prod0].\n uint256 remainder;\n assembly {\n // Compute remainder using mulmod.\n remainder := mulmod(x, y, denominator)\n\n // Subtract 256 bit number from 512 bit number.\n prod1 := sub(prod1, gt(remainder, prod0))\n prod0 := sub(prod0, remainder)\n }\n\n // Factor powers of two out of denominator and compute largest power of two divisor of denominator.\n // Always >= 1. See https://cs.stackexchange.com/q/138556/92363.\n\n uint256 twos = denominator & (0 - denominator);\n assembly {\n // Divide denominator by twos.\n denominator := div(denominator, twos)\n\n // Divide [prod1 prod0] by twos.\n prod0 := div(prod0, twos)\n\n // Flip twos such that it is 2^256 / twos. If twos is zero, then it becomes one.\n twos := add(div(sub(0, twos), twos), 1)\n }\n\n // Shift in bits from prod1 into prod0.\n prod0 \|= prod1 * twos;\n\n // Invert denominator mod 2^256. Now that denominator is an odd number, it has an inverse modulo 2^256 such\n // that denominator * inv = 1 mod 2^256. Compute the inverse by starting with a seed that is correct for\n // four bits. That is, denominator * inv = 1 mod 2^4.\n uint256 inverse = (3 * denominator) ^ 2;\n\n // Use the Newton-Raphson iteration to improve the precision. Thanks to Hensel's lifting lemma, this also\n // works in modular arithmetic, doubling the correct bits in each step.\n inverse = 2 - denominator inverse; // inverse mod 2^8\n inverse = 2 - denominator inverse; // inverse mod 2^16\n inverse = 2 - denominator inverse; // inverse mod 2^32\n inverse = 2 - denominator inverse; // inverse mod 2^64\n inverse = 2 - denominator inverse; // inverse mod 2^128\n inverse = 2 - denominator inverse; // inverse mod 2^256\n\n // Because the division is now exact we can divide by multiplying with the modular inverse of denominator.\n // This will give us the correct result modulo 2^256. Since the preconditions guarantee that the outcome is\n // less than 2^256, this is the final result. We don't need to compute the high bits of the result and prod1\n // is no longer required.\n result = prod0 * inverse;\n return result;\n }\n }\n\n /*\n @notice Calculates x * y / denominator with full precision, following the selected rounding direction.\n /\n function mulDiv(uint256 x, uint256 y, uint256 denominator, Rounding rounding) internal pure returns (uint256) {\n uint256 result = mulDiv(x, y, denominator);\n if (unsignedRoundsUp(rounding) && mulmod(x, y, denominator) > 0) {\n result += 1;\n }\n return result;\n }\n\n /\n @dev Returns the square root of a number. If the number is not a perfect square, the value is rounded\n * towards zero.\n \n Inspired by Henry S. Warren, Jr.'s \"Hacker's Delight\" (Chapter 11).\n /\n function sqrt(uint256 a) internal pure returns (uint256) {\n if (a == 0) {\n return 0;\n }\n\n // For our first guess, we get the biggest power of 2 which is smaller than the square root of the target.\n //\n // We know that the \"msb\" (most significant bit) of our target number `a` is a power of 2 such that we have\n // `msb(a) <= a < 2msb(a)`. This value can be written `msb(a)=2k` with `k=log2(a)`.\n //\n // This can be rewritten `2log2(a) <= a < 2(log2(a) + 1)`\n // → `sqrt(2k) <= sqrt(a) < sqrt(2(k+1))`\n // → `2(k/2) <= sqrt(a) < 2((k+1)/2) <= 2(k/2 + 1)`\n //\n // Consequently, `2(log2(a) / 2)` is a good first approximation of `sqrt(a)` with at least 1 correct bit.\n uint256 result = 1 << (log2(a) >> 1);\n\n // At this point `result` is an estimation with one bit of precision. We know the true value is a uint128,\n // since it is the square root of a uint256. Newton's method converges quadratically (precision doubles at\n // every iteration). We thus need at most 7 iteration to turn our partial result with one bit of precision\n // into the expected uint128 result.\n unchecked {\n result = (result + a / result) >> 1;\n result = (result + a / result) >> 1;\n result = (result + a / result) >> 1;\n result = (result + a / result) >> 1;\n result = (result + a / result) >> 1;\n result = (result + a / result) >> 1;\n result = (result + a / result) >> 1;\n return min(result, a / result);\n }\n }\n\n /\n * @notice Calculates sqrt(a), following the selected rounding direction.\n /\n function sqrt(uint256 a, Rounding rounding) internal pure returns (uint256) {\n unchecked {\n uint256 result = sqrt(a);\n return result + (unsignedRoundsUp(rounding) && result result < a ? 1 : 0);\n }\n }\n\n /*\n @dev Return the log in base 2 of a positive value rounded towards zero.\n * Returns 0 if given 0.\n /\n function log2(uint256 value) internal pure returns (uint256) {\n uint256 result = 0;\n unchecked {\n if (value >> 128 > 0) {\n value >>= 128;\n result += 128;\n }\n if (value >> 64 > 0) {\n value >>= 64;\n result += 64;\n }\n if (value >> 32 > 0) {\n value >>= 32;\n result += 32;\n }\n if (value >> 16 > 0) {\n value >>= 16;\n result += 16;\n }\n if (value >> 8 > 0) {\n value >>= 8;\n result += 8;\n }\n if (value >> 4 > 0) {\n value >>= 4;\n result += 4;\n }\n if (value >> 2 > 0) {\n value >>= 2;\n result += 2;\n }\n if (value >> 1 > 0) {\n result += 1;\n }\n }\n return result;\n }\n\n /\n @dev Return the log in base 2, following the selected rounding direction, of a positive value.\n * Returns 0 if given 0.\n /\n function log2(uint256 value, Rounding rounding) internal pure returns (uint256) {\n unchecked {\n uint256 result = log2(value);\n return result + (unsignedRoundsUp(rounding) && 1 << result < value ? 1 : 0);\n }\n }\n\n /\n @dev Return the log in base 10 of a positive value rounded towards zero.\n * Returns 0 if given 0.\n /\n function log10(uint256 value) internal pure returns (uint256) {\n uint256 result = 0;\n unchecked {\n if (value >= 10 * 64) {\n value /= 10 64;\n result += 64;\n }\n if (value >= 10 32) {\n value /= 10 32;\n result += 32;\n }\n if (value >= 10 16) {\n value /= 10 16;\n result += 16;\n }\n if (value >= 10 8) {\n value /= 10 8;\n result += 8;\n }\n if (value >= 10 4) {\n value /= 10 4;\n result += 4;\n }\n if (value >= 10 2) {\n value /= 10 2;\n result += 2;\n }\n if (value >= 10 1) {\n result += 1;\n }\n }\n return result;\n }\n\n /*\n @dev Return the log in base 10, following the selected rounding direction, of a positive value.\n * Returns 0 if given 0.\n /\n function log10(uint256 value, Rounding rounding) internal pure returns (uint256) {\n unchecked {\n uint256 result = log10(value);\n return result + (unsignedRoundsUp(rounding) && 10 * result < value ? 1 : 0);\n }\n }\n\n /*\n @dev Return the log in base 256 of a positive value rounded towards zero.\n * Returns 0 if given 0.\n \n Adding one to the result gives the number of pairs of hex symbols needed to represent `value` as a hex string.\n /\n function log256(uint256 value) internal pure returns (uint256) {\n uint256 result = 0;\n unchecked {\n if (value >> 128 > 0) {\n value >>= 128;\n result += 16;\n }\n if (value >> 64 > 0) {\n value >>= 64;\n result += 8;\n }\n if (value >> 32 > 0) {\n value >>= 32;\n result += 4;\n }\n if (value >> 16 > 0) {\n value >>= 16;\n result += 2;\n }\n if (value >> 8 > 0) {\n result += 1;\n }\n }\n return result;\n }\n\n /\n @dev Return the log in base 256, following the selected rounding direction, of a positive value.\n * Returns 0 if given 0.\n /\n function log256(uint256 value, Rounding rounding) internal pure returns (uint256) {\n unchecked {\n uint256 result = log256(value);\n return result + (unsignedRoundsUp(rounding) && 1 << (result << 3) < value ? 1 : 0);\n }\n }\n\n /\n @dev Returns whether a provided rounding mode is considered rounding up for unsigned integers.\n /\n function unsignedRoundsUp(Rounding rounding) internal pure returns (bool) {\n return uint8(rounding) % 2 == 1;\n }\n}\n" }, "lib/openzeppelin-contracts-upgradeable/lib/openzeppelin-contracts/contracts/utils/math/SignedMath.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.0.0) (utils/math/SignedMath.sol)\n\npragma solidity ^0.8.20;\n\n/\n @dev Standard signed math utilities missing in the Solidity language.\n /\nlibrary SignedMath {\n /\n @dev Returns the largest of two signed numbers.\n /\n function max(int256 a, int256 b) internal pure returns (int256) {\n return a > b ? a : b;\n }\n\n /\n @dev Returns the smallest of two signed numbers.\n /\n function min(int256 a, int256 b) internal pure returns (int256) {\n return a < b ? a : b;\n }\n\n /\n @dev Returns the average of two signed numbers without overflow.\n * The result is rounded towards zero.\n /\n function average(int256 a, int256 b) internal pure returns (int256) {\n // Formula from the book \"Hacker's Delight\"\n int256 x = (a & b) + ((a ^ b) >> 1);\n return x + (int256(uint256(x) >> 255) & (a ^ b));\n }\n\n /\n @dev Returns the absolute unsigned value of a signed value.\n /\n function abs(int256 n) internal pure returns (uint256) {\n unchecked {\n // must be unchecked in order to support `n = type(int256).min`\n return uint256(n >= 0 ? n : -n);\n }\n }\n}\n" } }, "settings": { "remappings": [ "@openzeppelin/contracts/=lib/openzeppelin-contracts-upgradeable/lib/openzeppelin-contracts/contracts/", "@openzeppelin/contracts-upgradeable/=lib/openzeppelin-contracts-upgradeable/contracts/", "@solmate/=lib/solmate/", "@murky/=lib/murky/src/", "ds-test/=lib/solmate/lib/ds-test/src/", "erc4626-tests/=lib/openzeppelin-contracts-upgradeable/lib/erc4626-tests/", "forge-std/=lib/forge-std/src/", "openzeppelin-contracts-upgradeable/=lib/openzeppelin-contracts-upgradeable/", "openzeppelin-contracts/=lib/openzeppelin-contracts/", "openzeppelin-foundry-upgrades/=lib/openzeppelin-foundry-upgrades/src/", "solidity-stringutils/=lib/openzeppelin-foundry-upgrades/lib/solidity-stringutils/", "solmate/=lib/solmate/src/" ], "optimizer": { "enabled": true, "runs": 200 }, "metadata": { "useLiteralContent": false, "bytecodeHash": "ipfs", "appendCBOR": true }, "outputSelection": { "": { "*": [ "evm.bytecode", "evm.deployedBytecode", "devdoc", "userdoc", "metadata", "abi" ] } }, "evmVersion": "paris", "viaIR": true, "libraries": {} } }}
1	20,291,943	6668c9fc3808d649407fa1bd39fef7cb15fd1d3d4eb5990330d3404e596873b4	9f537d8f043c385843f7c54fb7dfc7a1f708fe6a3874755c8bcb4dd99836692b	41ed843a086f44b8cb23decc8170c132bc257874	29ef46035e9fa3d570c598d3266424ca11413b0c	d42434c114a4787e8d630f2cb9959b7696e3d405	3d602d80600a3d3981f3363d3d373d3d3d363d735397d0869aba0d55e96d5716d383f6e1d8695ed75af43d82803e903d91602b57fd5bf3	363d3d373d3d3d363d735397d0869aba0d55e96d5716d383f6e1d8695ed75af43d82803e903d91602b57fd5bf3	{{ "language": "Solidity", "sources": { "contracts/Forwarder.sol": { "content": "// SPDX-License-Identifier: Apache-2.0\npragma solidity 0.8.10;\nimport '@openzeppelin/contracts/token/ERC1155/IERC1155.sol';\nimport '@openzeppelin/contracts/token/ERC721/IERC721.sol';\nimport '@openzeppelin/contracts/token/ERC721/IERC721Receiver.sol';\nimport '@openzeppelin/contracts/token/ERC1155/utils/ERC1155Receiver.sol';\nimport './ERC20Interface.sol';\nimport './TransferHelper.sol';\nimport './IForwarder.sol';\n\n/*\n Contract that will forward any incoming Ether to the creator of the contract\n \n /\ncontract Forwarder is IERC721Receiver, ERC1155Receiver, IForwarder {\n // Address to which any funds sent to this contract will be forwarded\n address public parentAddress;\n bool public autoFlush721 = true;\n bool public autoFlush1155 = true;\n\n event ForwarderDeposited(address from, uint256 value, bytes data);\n\n /*\n Initialize the contract, and sets the destination address to that of the creator\n /\n function init(\n address _parentAddress,\n bool _autoFlush721,\n bool _autoFlush1155\n ) external onlyUninitialized {\n parentAddress = _parentAddress;\n uint256 value = address(this).balance;\n\n // set whether we want to automatically flush erc721/erc1155 tokens or not\n autoFlush721 = _autoFlush721;\n autoFlush1155 = _autoFlush1155;\n\n if (value == 0) {\n return;\n }\n\n (bool success, ) = parentAddress.call{ value: value }('');\n require(success, 'Flush failed');\n\n // NOTE: since we are forwarding on initialization,\n // we don't have the context of the original sender.\n // We still emit an event about the forwarding but set\n // the sender to the forwarder itself\n emit ForwarderDeposited(address(this), value, msg.data);\n }\n\n /\n Modifier that will execute internal code block only if the sender is the parent address\n /\n modifier onlyParent {\n require(msg.sender == parentAddress, 'Only Parent');\n _;\n }\n\n /\n Modifier that will execute internal code block only if the contract has not been initialized yet\n /\n modifier onlyUninitialized {\n require(parentAddress == address(0x0), 'Already initialized');\n _;\n }\n\n /\n Default function; Gets called when data is sent but does not match any other function\n /\n fallback() external payable {\n flush();\n }\n\n /\n Default function; Gets called when Ether is deposited with no data, and forwards it to the parent address\n /\n receive() external payable {\n flush();\n }\n\n /\n @inheritdoc IForwarder\n /\n function setAutoFlush721(bool autoFlush)\n external\n virtual\n override\n onlyParent\n {\n autoFlush721 = autoFlush;\n }\n\n /\n @inheritdoc IForwarder\n /\n function setAutoFlush1155(bool autoFlush)\n external\n virtual\n override\n onlyParent\n {\n autoFlush1155 = autoFlush;\n }\n\n /\n ERC721 standard callback function for when a ERC721 is transfered. The forwarder will send the nft\n * to the base wallet once the nft contract invokes this method after transfering the nft.\n \n @param _operator The address which called `safeTransferFrom` function\n * @param _from The address of the sender\n * @param _tokenId The token id of the nft\n * @param data Additional data with no specified format, sent in call to `_to`\n /\n function onERC721Received(\n address _operator,\n address _from,\n uint256 _tokenId,\n bytes memory data\n ) external virtual override returns (bytes4) {\n if (autoFlush721) {\n IERC721 instance = IERC721(msg.sender);\n require(\n instance.supportsInterface(type(IERC721).interfaceId),\n 'The caller does not support the ERC721 interface'\n );\n // this won't work for ERC721 re-entrancy\n instance.safeTransferFrom(address(this), parentAddress, _tokenId, data);\n }\n\n return this.onERC721Received.selector;\n }\n\n function callFromParent(\n address target,\n uint256 value,\n bytes calldata data\n ) external onlyParent returns (bytes memory) {\n (bool success, bytes memory returnedData) = target.call{ value: value }(\n data\n );\n require(success, 'Parent call execution failed');\n\n return returnedData;\n }\n\n /\n @inheritdoc IERC1155Receiver\n /\n function onERC1155Received(\n address _operator,\n address _from,\n uint256 id,\n uint256 value,\n bytes calldata data\n ) external virtual override returns (bytes4) {\n IERC1155 instance = IERC1155(msg.sender);\n require(\n instance.supportsInterface(type(IERC1155).interfaceId),\n 'The caller does not support the IERC1155 interface'\n );\n\n if (autoFlush1155) {\n instance.safeTransferFrom(address(this), parentAddress, id, value, data);\n }\n\n return this.onERC1155Received.selector;\n }\n\n /\n @inheritdoc IERC1155Receiver\n /\n function onERC1155BatchReceived(\n address _operator,\n address _from,\n uint256[] calldata ids,\n uint256[] calldata values,\n bytes calldata data\n ) external virtual override returns (bytes4) {\n IERC1155 instance = IERC1155(msg.sender);\n require(\n instance.supportsInterface(type(IERC1155).interfaceId),\n 'The caller does not support the IERC1155 interface'\n );\n\n if (autoFlush1155) {\n instance.safeBatchTransferFrom(\n address(this),\n parentAddress,\n ids,\n values,\n data\n );\n }\n\n return this.onERC1155BatchReceived.selector;\n }\n\n /\n @inheritdoc IForwarder\n /\n function flushTokens(address tokenContractAddress)\n external\n virtual\n override\n onlyParent\n {\n ERC20Interface instance = ERC20Interface(tokenContractAddress);\n address forwarderAddress = address(this);\n uint256 forwarderBalance = instance.balanceOf(forwarderAddress);\n if (forwarderBalance == 0) {\n return;\n }\n\n TransferHelper.safeTransfer(\n tokenContractAddress,\n parentAddress,\n forwarderBalance\n );\n }\n\n /\n @inheritdoc IForwarder\n /\n function flushERC721Token(address tokenContractAddress, uint256 tokenId)\n external\n virtual\n override\n onlyParent\n {\n IERC721 instance = IERC721(tokenContractAddress);\n require(\n instance.supportsInterface(type(IERC721).interfaceId),\n 'The tokenContractAddress does not support the ERC721 interface'\n );\n\n address ownerAddress = instance.ownerOf(tokenId);\n instance.transferFrom(ownerAddress, parentAddress, tokenId);\n }\n\n /\n @inheritdoc IForwarder\n /\n function flushERC1155Tokens(address tokenContractAddress, uint256 tokenId)\n external\n virtual\n override\n onlyParent\n {\n IERC1155 instance = IERC1155(tokenContractAddress);\n require(\n instance.supportsInterface(type(IERC1155).interfaceId),\n 'The caller does not support the IERC1155 interface'\n );\n\n address forwarderAddress = address(this);\n uint256 forwarderBalance = instance.balanceOf(forwarderAddress, tokenId);\n\n instance.safeTransferFrom(\n forwarderAddress,\n parentAddress,\n tokenId,\n forwarderBalance,\n ''\n );\n }\n\n /\n @inheritdoc IForwarder\n /\n function batchFlushERC1155Tokens(\n address tokenContractAddress,\n uint256[] calldata tokenIds\n ) external virtual override onlyParent {\n IERC1155 instance = IERC1155(tokenContractAddress);\n require(\n instance.supportsInterface(type(IERC1155).interfaceId),\n 'The caller does not support the IERC1155 interface'\n );\n\n address forwarderAddress = address(this);\n uint256[] memory amounts = new uint256[](tokenIds.length);\n for (uint256 i = 0; i < tokenIds.length; i++) {\n amounts[i] = instance.balanceOf(forwarderAddress, tokenIds[i]);\n }\n\n instance.safeBatchTransferFrom(\n forwarderAddress,\n parentAddress,\n tokenIds,\n amounts,\n ''\n );\n }\n\n /\n Flush the entire balance of the contract to the parent address.\n /\n function flush() public {\n uint256 value = address(this).balance;\n\n if (value == 0) {\n return;\n }\n\n (bool success, ) = parentAddress.call{ value: value }('');\n require(success, 'Flush failed');\n emit ForwarderDeposited(msg.sender, value, msg.data);\n }\n\n /\n @inheritdoc IERC165\n /\n function supportsInterface(bytes4 interfaceId)\n public\n virtual\n override(ERC1155Receiver, IERC165)\n view\n returns (bool)\n {\n return\n interfaceId == type(IForwarder).interfaceId \|\|\n super.supportsInterface(interfaceId);\n }\n}\n" }, "@openzeppelin/contracts/token/ERC1155/IERC1155.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (token/ERC1155/IERC1155.sol)\n\npragma solidity ^0.8.0;\n\nimport \"../../utils/introspection/IERC165.sol\";\n\n/\n @dev Required interface of an ERC1155 compliant contract, as defined in the\n * https://eips.ethereum.org/EIPS/eip-1155[EIP].\n \n _Available since v3.1._\n /\ninterface IERC1155 is IERC165 {\n /\n @dev Emitted when `value` tokens of token type `id` are transferred from `from` to `to` by `operator`.\n /\n event TransferSingle(address indexed operator, address indexed from, address indexed to, uint256 id, uint256 value);\n\n /\n @dev Equivalent to multiple {TransferSingle} events, where `operator`, `from` and `to` are the same for all\n * transfers.\n /\n event TransferBatch(\n address indexed operator,\n address indexed from,\n address indexed to,\n uint256[] ids,\n uint256[] values\n );\n\n /\n @dev Emitted when `account` grants or revokes permission to `operator` to transfer their tokens, according to\n * `approved`.\n /\n event ApprovalForAll(address indexed account, address indexed operator, bool approved);\n\n /\n @dev Emitted when the URI for token type `id` changes to `value`, if it is a non-programmatic URI.\n \n If an {URI} event was emitted for `id`, the standard\n * https://eips.ethereum.org/EIPS/eip-1155#metadata-extensions[guarantees] that `value` will equal the value\n * returned by {IERC1155MetadataURI-uri}.\n /\n event URI(string value, uint256 indexed id);\n\n /\n @dev Returns the amount of tokens of token type `id` owned by `account`.\n \n Requirements:\n \n - `account` cannot be the zero address.\n /\n function balanceOf(address account, uint256 id) external view returns (uint256);\n\n /\n @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {balanceOf}.\n \n Requirements:\n \n - `accounts` and `ids` must have the same length.\n /\n function balanceOfBatch(address[] calldata accounts, uint256[] calldata ids)\n external\n view\n returns (uint256[] memory);\n\n /\n @dev Grants or revokes permission to `operator` to transfer the caller's tokens, according to `approved`,\n \n Emits an {ApprovalForAll} event.\n \n Requirements:\n \n - `operator` cannot be the caller.\n /\n function setApprovalForAll(address operator, bool approved) external;\n\n /\n @dev Returns true if `operator` is approved to transfer ``account``'s tokens.\n \n See {setApprovalForAll}.\n /\n function isApprovedForAll(address account, address operator) external view returns (bool);\n\n /\n @dev Transfers `amount` tokens of token type `id` from `from` to `to`.\n \n Emits a {TransferSingle} event.\n \n Requirements:\n \n - `to` cannot be the zero address.\n * - If the caller is not `from`, it must be have been approved to spend ``from``'s tokens via {setApprovalForAll}.\n * - `from` must have a balance of tokens of type `id` of at least `amount`.\n * - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155Received} and return the\n * acceptance magic value.\n /\n function safeTransferFrom(\n address from,\n address to,\n uint256 id,\n uint256 amount,\n bytes calldata data\n ) external;\n\n /\n @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {safeTransferFrom}.\n \n Emits a {TransferBatch} event.\n \n Requirements:\n \n - `ids` and `amounts` must have the same length.\n * - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155BatchReceived} and return the\n * acceptance magic value.\n /\n function safeBatchTransferFrom(\n address from,\n address to,\n uint256[] calldata ids,\n uint256[] calldata amounts,\n bytes calldata data\n ) external;\n}\n" }, "@openzeppelin/contracts/token/ERC721/IERC721.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (token/ERC721/IERC721.sol)\n\npragma solidity ^0.8.0;\n\nimport \"../../utils/introspection/IERC165.sol\";\n\n/\n @dev Required interface of an ERC721 compliant contract.\n /\ninterface IERC721 is IERC165 {\n /\n @dev Emitted when `tokenId` token is transferred from `from` to `to`.\n /\n event Transfer(address indexed from, address indexed to, uint256 indexed tokenId);\n\n /\n @dev Emitted when `owner` enables `approved` to manage the `tokenId` token.\n /\n event Approval(address indexed owner, address indexed approved, uint256 indexed tokenId);\n\n /\n @dev Emitted when `owner` enables or disables (`approved`) `operator` to manage all of its assets.\n /\n event ApprovalForAll(address indexed owner, address indexed operator, bool approved);\n\n /\n @dev Returns the number of tokens in ``owner``'s account.\n /\n function balanceOf(address owner) external view returns (uint256 balance);\n\n /\n @dev Returns the owner of the `tokenId` token.\n \n Requirements:\n \n - `tokenId` must exist.\n /\n function ownerOf(uint256 tokenId) external view returns (address owner);\n\n /\n @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients\n * are aware of the ERC721 protocol to prevent tokens from being forever locked.\n \n Requirements:\n \n - `from` cannot be the zero address.\n * - `to` cannot be the zero address.\n * - `tokenId` token must exist and be owned by `from`.\n * - If the caller is not `from`, it must be have been allowed to move this token by either {approve} or {setApprovalForAll}.\n * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.\n \n Emits a {Transfer} event.\n /\n function safeTransferFrom(\n address from,\n address to,\n uint256 tokenId\n ) external;\n\n /\n @dev Transfers `tokenId` token from `from` to `to`.\n \n WARNING: Usage of this method is discouraged, use {safeTransferFrom} whenever possible.\n \n Requirements:\n \n - `from` cannot be the zero address.\n * - `to` cannot be the zero address.\n * - `tokenId` token must be owned by `from`.\n * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}.\n \n Emits a {Transfer} event.\n /\n function transferFrom(\n address from,\n address to,\n uint256 tokenId\n ) external;\n\n /\n @dev Gives permission to `to` to transfer `tokenId` token to another account.\n * The approval is cleared when the token is transferred.\n \n Only a single account can be approved at a time, so approving the zero address clears previous approvals.\n \n Requirements:\n \n - The caller must own the token or be an approved operator.\n * - `tokenId` must exist.\n \n Emits an {Approval} event.\n /\n function approve(address to, uint256 tokenId) external;\n\n /\n @dev Returns the account approved for `tokenId` token.\n \n Requirements:\n \n - `tokenId` must exist.\n /\n function getApproved(uint256 tokenId) external view returns (address operator);\n\n /\n @dev Approve or remove `operator` as an operator for the caller.\n * Operators can call {transferFrom} or {safeTransferFrom} for any token owned by the caller.\n \n Requirements:\n \n - The `operator` cannot be the caller.\n \n Emits an {ApprovalForAll} event.\n /\n function setApprovalForAll(address operator, bool _approved) external;\n\n /\n @dev Returns if the `operator` is allowed to manage all of the assets of `owner`.\n \n See {setApprovalForAll}\n /\n function isApprovedForAll(address owner, address operator) external view returns (bool);\n\n /\n @dev Safely transfers `tokenId` token from `from` to `to`.\n \n Requirements:\n \n - `from` cannot be the zero address.\n * - `to` cannot be the zero address.\n * - `tokenId` token must exist and be owned by `from`.\n * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}.\n * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.\n \n Emits a {Transfer} event.\n /\n function safeTransferFrom(\n address from,\n address to,\n uint256 tokenId,\n bytes calldata data\n ) external;\n}\n" }, "@openzeppelin/contracts/token/ERC721/IERC721Receiver.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (token/ERC721/IERC721Receiver.sol)\n\npragma solidity ^0.8.0;\n\n/\n @title ERC721 token receiver interface\n * @dev Interface for any contract that wants to support safeTransfers\n * from ERC721 asset contracts.\n /\ninterface IERC721Receiver {\n /\n @dev Whenever an {IERC721} `tokenId` token is transferred to this contract via {IERC721-safeTransferFrom}\n * by `operator` from `from`, this function is called.\n \n It must return its Solidity selector to confirm the token transfer.\n * If any other value is returned or the interface is not implemented by the recipient, the transfer will be reverted.\n \n The selector can be obtained in Solidity with `IERC721.onERC721Received.selector`.\n /\n function onERC721Received(\n address operator,\n address from,\n uint256 tokenId,\n bytes calldata data\n ) external returns (bytes4);\n}\n" }, "@openzeppelin/contracts/token/ERC1155/utils/ERC1155Receiver.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (token/ERC1155/utils/ERC1155Receiver.sol)\n\npragma solidity ^0.8.0;\n\nimport \"../IERC1155Receiver.sol\";\nimport \"../../../utils/introspection/ERC165.sol\";\n\n/\n @dev _Available since v3.1._\n /\nabstract contract ERC1155Receiver is ERC165, IERC1155Receiver {\n /\n @dev See {IERC165-supportsInterface}.\n /\n function supportsInterface(bytes4 interfaceId) public view virtual override(ERC165, IERC165) returns (bool) {\n return interfaceId == type(IERC1155Receiver).interfaceId \|\| super.supportsInterface(interfaceId);\n }\n}\n" }, "contracts/ERC20Interface.sol": { "content": "// SPDX-License-Identifier: UNLICENSED\npragma solidity 0.8.10;\n\n/\n Contract that exposes the needed erc20 token functions\n /\n\nabstract contract ERC20Interface {\n // Send _value amount of tokens to address _to\n function transfer(address _to, uint256 _value)\n public\n virtual\n returns (bool success);\n\n // Get the account balance of another account with address _owner\n function balanceOf(address _owner)\n public\n virtual\n view\n returns (uint256 balance);\n}\n" }, "contracts/TransferHelper.sol": { "content": "// SPDX-License-Identifier: GPL-3.0-or-later\n// source: https://github.com/Uniswap/solidity-lib/blob/master/contracts/libraries/TransferHelper.sol\npragma solidity 0.8.10;\n\nimport '@openzeppelin/contracts/utils/Address.sol';\n\n// helper methods for interacting with ERC20 tokens and sending ETH that do not consistently return true/false\nlibrary TransferHelper {\n function safeTransfer(\n address token,\n address to,\n uint256 value\n ) internal {\n // bytes4(keccak256(bytes('transfer(address,uint256)')));\n (bool success, bytes memory data) = token.call(\n abi.encodeWithSelector(0xa9059cbb, to, value)\n );\n require(\n success && (data.length == 0 \|\| abi.decode(data, (bool))),\n 'TransferHelper::safeTransfer: transfer failed'\n );\n }\n\n function safeTransferFrom(\n address token,\n address from,\n address to,\n uint256 value\n ) internal {\n // bytes4(keccak256(bytes('transferFrom(address,address,uint256)')));\n (bool success, bytes memory returndata) = token.call(\n abi.encodeWithSelector(0x23b872dd, from, to, value)\n );\n Address.verifyCallResult(\n success,\n returndata,\n 'TransferHelper::transferFrom: transferFrom failed'\n );\n }\n}\n" }, "contracts/IForwarder.sol": { "content": "pragma solidity ^0.8.0;\n\nimport '@openzeppelin/contracts/utils/introspection/IERC165.sol';\n\ninterface IForwarder is IERC165 {\n /\n Sets the autoflush721 parameter.\n \n @param autoFlush whether to autoflush erc721 tokens\n /\n function setAutoFlush721(bool autoFlush) external;\n\n /\n Sets the autoflush1155 parameter.\n \n @param autoFlush whether to autoflush erc1155 tokens\n /\n function setAutoFlush1155(bool autoFlush) external;\n\n /\n Execute a token transfer of the full balance from the forwarder token to the parent address\n \n @param tokenContractAddress the address of the erc20 token contract\n /\n function flushTokens(address tokenContractAddress) external;\n\n /\n Execute a nft transfer from the forwarder to the parent address\n \n @param tokenContractAddress the address of the ERC721 NFT contract\n * @param tokenId The token id of the nft\n /\n function flushERC721Token(address tokenContractAddress, uint256 tokenId)\n external;\n\n /\n Execute a nft transfer from the forwarder to the parent address.\n \n @param tokenContractAddress the address of the ERC1155 NFT contract\n * @param tokenId The token id of the nft\n /\n function flushERC1155Tokens(address tokenContractAddress, uint256 tokenId)\n external;\n\n /\n Execute a batch nft transfer from the forwarder to the parent address.\n \n @param tokenContractAddress the address of the ERC1155 NFT contract\n * @param tokenIds The token ids of the nfts\n /\n function batchFlushERC1155Tokens(\n address tokenContractAddress,\n uint256[] calldata tokenIds\n ) external;\n}\n" }, "@openzeppelin/contracts/utils/introspection/IERC165.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (utils/introspection/IERC165.sol)\n\npragma solidity ^0.8.0;\n\n/\n @dev Interface of the ERC165 standard, as defined in the\n * https://eips.ethereum.org/EIPS/eip-165[EIP].\n \n Implementers can declare support of contract interfaces, which can then be\n * queried by others ({ERC165Checker}).\n \n For an implementation, see {ERC165}.\n /\ninterface IERC165 {\n /\n @dev Returns true if this contract implements the interface defined by\n * `interfaceId`. See the corresponding\n * https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section]\n * to learn more about how these ids are created.\n \n This function call must use less than 30 000 gas.\n /\n function supportsInterface(bytes4 interfaceId) external view returns (bool);\n}\n" }, "@openzeppelin/contracts/token/ERC1155/IERC1155Receiver.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (token/ERC1155/IERC1155Receiver.sol)\n\npragma solidity ^0.8.0;\n\nimport \"../../utils/introspection/IERC165.sol\";\n\n/\n @dev _Available since v3.1._\n /\ninterface IERC1155Receiver is IERC165 {\n /\n @dev Handles the receipt of a single ERC1155 token type. This function is\n called at the end of a `safeTransferFrom` after the balance has been updated.\n To accept the transfer, this must return\n `bytes4(keccak256(\"onERC1155Received(address,address,uint256,uint256,bytes)\"))`\n (i.e. 0xf23a6e61, or its own function selector).\n @param operator The address which initiated the transfer (i.e. msg.sender)\n @param from The address which previously owned the token\n @param id The ID of the token being transferred\n @param value The amount of tokens being transferred\n @param data Additional data with no specified format\n @return `bytes4(keccak256(\"onERC1155Received(address,address,uint256,uint256,bytes)\"))` if transfer is allowed\n /\n function onERC1155Received(\n address operator,\n address from,\n uint256 id,\n uint256 value,\n bytes calldata data\n ) external returns (bytes4);\n\n /*\n @dev Handles the receipt of a multiple ERC1155 token types. This function\n is called at the end of a `safeBatchTransferFrom` after the balances have\n been updated. To accept the transfer(s), this must return\n `bytes4(keccak256(\"onERC1155BatchReceived(address,address,uint256[],uint256[],bytes)\"))`\n (i.e. 0xbc197c81, or its own function selector).\n @param operator The address which initiated the batch transfer (i.e. msg.sender)\n @param from The address which previously owned the token\n @param ids An array containing ids of each token being transferred (order and length must match values array)\n @param values An array containing amounts of each token being transferred (order and length must match ids array)\n @param data Additional data with no specified format\n @return `bytes4(keccak256(\"onERC1155BatchReceived(address,address,uint256[],uint256[],bytes)\"))` if transfer is allowed\n /\n function onERC1155BatchReceived(\n address operator,\n address from,\n uint256[] calldata ids,\n uint256[] calldata values,\n bytes calldata data\n ) external returns (bytes4);\n}\n" }, "@openzeppelin/contracts/utils/introspection/ERC165.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (utils/introspection/ERC165.sol)\n\npragma solidity ^0.8.0;\n\nimport \"./IERC165.sol\";\n\n/*\n @dev Implementation of the {IERC165} interface.\n \n Contracts that want to implement ERC165 should inherit from this contract and override {supportsInterface} to check\n * for the additional interface id that will be supported. For example:\n \n ```solidity\n * function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {\n * return interfaceId == type(MyInterface).interfaceId \|\| super.supportsInterface(interfaceId);\n * }\n * ```\n \n Alternatively, {ERC165Storage} provides an easier to use but more expensive implementation.\n /\nabstract contract ERC165 is IERC165 {\n /\n @dev See {IERC165-supportsInterface}.\n /\n function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {\n return interfaceId == type(IERC165).interfaceId;\n }\n}\n" }, "@openzeppelin/contracts/utils/Address.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (utils/Address.sol)\n\npragma solidity ^0.8.0;\n\n/\n @dev Collection of functions related to the address type\n /\nlibrary Address {\n /\n @dev Returns true if `account` is a contract.\n \n [IMPORTANT]\n * ====\n * It is unsafe to assume that an address for which this function returns\n * false is an externally-owned account (EOA) and not a contract.\n \n Among others, `isContract` will return false for the following\n * types of addresses:\n \n - an externally-owned account\n * - a contract in construction\n * - an address where a contract will be created\n * - an address where a contract lived, but was destroyed\n * ====\n /\n function isContract(address account) internal view returns (bool) {\n // This method relies on extcodesize, which returns 0 for contracts in\n // construction, since the code is only stored at the end of the\n // constructor execution.\n\n uint256 size;\n assembly {\n size := extcodesize(account)\n }\n return size > 0;\n }\n\n /\n @dev Replacement for Solidity's `transfer`: sends `amount` wei to\n * `recipient`, forwarding all available gas and reverting on errors.\n \n https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost\n * of certain opcodes, possibly making contracts go over the 2300 gas limit\n * imposed by `transfer`, making them unable to receive funds via\n * `transfer`. {sendValue} removes this limitation.\n \n https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more].\n \n IMPORTANT: because control is transferred to `recipient`, care must be\n * taken to not create reentrancy vulnerabilities. Consider using\n * {ReentrancyGuard} or the\n * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].\n /\n function sendValue(address payable recipient, uint256 amount) internal {\n require(address(this).balance >= amount, \"Address: insufficient balance\");\n\n (bool success, ) = recipient.call{value: amount}(\"\");\n require(success, \"Address: unable to send value, recipient may have reverted\");\n }\n\n /\n @dev Performs a Solidity function call using a low level `call`. A\n * plain `call` is an unsafe replacement for a function call: use this\n * function instead.\n \n If `target` reverts with a revert reason, it is bubbled up by this\n * function (like regular Solidity function calls).\n \n Returns the raw returned data. To convert to the expected return value,\n * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].\n \n Requirements:\n \n - `target` must be a contract.\n * - calling `target` with `data` must not revert.\n \n _Available since v3.1._\n /\n function functionCall(address target, bytes memory data) internal returns (bytes memory) {\n return functionCall(target, data, \"Address: low-level call failed\");\n }\n\n /\n @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with\n * `errorMessage` as a fallback revert reason when `target` reverts.\n \n _Available since v3.1._\n /\n function functionCall(\n address target,\n bytes memory data,\n string memory errorMessage\n ) internal returns (bytes memory) {\n return functionCallWithValue(target, data, 0, errorMessage);\n }\n\n /\n @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],\n * but also transferring `value` wei to `target`.\n \n Requirements:\n \n - the calling contract must have an ETH balance of at least `value`.\n * - the called Solidity function must be `payable`.\n \n _Available since v3.1._\n /\n function functionCallWithValue(\n address target,\n bytes memory data,\n uint256 value\n ) internal returns (bytes memory) {\n return functionCallWithValue(target, data, value, \"Address: low-level call with value failed\");\n }\n\n /\n @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but\n * with `errorMessage` as a fallback revert reason when `target` reverts.\n \n _Available since v3.1._\n /\n function functionCallWithValue(\n address target,\n bytes memory data,\n uint256 value,\n string memory errorMessage\n ) internal returns (bytes memory) {\n require(address(this).balance >= value, \"Address: insufficient balance for call\");\n require(isContract(target), \"Address: call to non-contract\");\n\n (bool success, bytes memory returndata) = target.call{value: value}(data);\n return verifyCallResult(success, returndata, errorMessage);\n }\n\n /\n @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],\n * but performing a static call.\n \n _Available since v3.3._\n /\n function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {\n return functionStaticCall(target, data, \"Address: low-level static call failed\");\n }\n\n /\n @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],\n * but performing a static call.\n \n _Available since v3.3._\n /\n function functionStaticCall(\n address target,\n bytes memory data,\n string memory errorMessage\n ) internal view returns (bytes memory) {\n require(isContract(target), \"Address: static call to non-contract\");\n\n (bool success, bytes memory returndata) = target.staticcall(data);\n return verifyCallResult(success, returndata, errorMessage);\n }\n\n /\n @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],\n * but performing a delegate call.\n \n _Available since v3.4._\n /\n function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {\n return functionDelegateCall(target, data, \"Address: low-level delegate call failed\");\n }\n\n /\n @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],\n * but performing a delegate call.\n \n _Available since v3.4._\n /\n function functionDelegateCall(\n address target,\n bytes memory data,\n string memory errorMessage\n ) internal returns (bytes memory) {\n require(isContract(target), \"Address: delegate call to non-contract\");\n\n (bool success, bytes memory returndata) = target.delegatecall(data);\n return verifyCallResult(success, returndata, errorMessage);\n }\n\n /\n @dev Tool to verifies that a low level call was successful, and revert if it wasn't, either by bubbling the\n * revert reason using the provided one.\n \n _Available since v4.3._\n /\n function verifyCallResult(\n bool success,\n bytes memory returndata,\n string memory errorMessage\n ) internal pure returns (bytes memory) {\n if (success) {\n return returndata;\n } else {\n // Look for revert reason and bubble it up if present\n if (returndata.length > 0) {\n // The easiest way to bubble the revert reason is using memory via assembly\n\n assembly {\n let returndata_size := mload(returndata)\n revert(add(32, returndata), returndata_size)\n }\n } else {\n revert(errorMessage);\n }\n }\n }\n}\n" } }, "settings": { "optimizer": { "enabled": false, "runs": 200 }, "outputSelection": { "": { "*": [ "evm.bytecode", "evm.deployedBytecode", "devdoc", "userdoc", "metadata", "abi" ] } }, "libraries": {} } }}
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"language": "Solidity", "sources": { "contracts/src/tokens/river/mainnet/delegation/ProxyBatchDelegation.sol": { "content": "// SPDX-License-Identifier: Apache-2.0\npragma solidity ^0.8.23;\n\n// interfaces\nimport {ICrossDomainMessenger} from \"./ICrossDomainMessenger.sol\";\nimport {IMainnetDelegation} from \"contracts/src/tokens/river/base/delegation/IMainnetDelegation.sol\";\nimport {IProxyBatchDelegation} from \"./IProxyBatchDelegation.sol\";\n\n// libraries\n\n// contracts\nimport {River} from \"contracts/src/tokens/river/mainnet/River.sol\";\nimport {AuthorizedClaimers} from \"contracts/src/tokens/river/mainnet/claimer/AuthorizedClaimers.sol\";\n\ncontract ProxyBatchDelegation is IProxyBatchDelegation {\n address public immutable MESSENGER;\n address public immutable TARGET;\n\n River internal immutable rvr;\n AuthorizedClaimers internal immutable claimers;\n\n constructor(\n address _rvr,\n address _claimers,\n address _messenger,\n address _target\n ) {\n rvr = River(_rvr);\n claimers = AuthorizedClaimers(_claimers);\n\n MESSENGER = _messenger;\n TARGET = _target;\n }\n\n function removeDelegators() external {\n address[] memory delegators = new address[](2);\n delegators[0] = 0x204f1aA5B666d0eAc07228D3065a461e92AC399c;\n delegators[1] = 0x3541F646d321CACbc0fF4A7cCcB583E8B6E413da;\n\n ICrossDomainMessenger(MESSENGER).sendMessage(\n TARGET,\n abi.encodeWithSelector(\n IMainnetDelegation.removeDelegations.selector,\n delegators\n ),\n 200_000\n );\n }\n\n function sendAuthorizedClaimers() external {\n address[] memory delegators = rvr.getDelegators();\n address[] memory authorizedClaimers = new address[](delegators.length);\n\n for (uint256 i = 0; i < delegators.length; i++) {\n authorizedClaimers[i] = claimers.getAuthorizedClaimer(delegators[i]);\n }\n\n ICrossDomainMessenger(MESSENGER).sendMessage(\n TARGET,\n abi.encodeWithSelector(\n IMainnetDelegation.setBatchAuthorizedClaimers.selector,\n delegators,\n authorizedClaimers\n ),\n 200_000\n );\n }\n\n function sendDelegators() external {\n address[] memory delegators = rvr.getDelegators();\n address[] memory delegates = new address[](delegators.length);\n address[] memory authorizedClaimers = new address[](delegators.length);\n uint256[] memory quantities = new uint256[](delegators.length);\n\n for (uint256 i = 0; i < delegators.length; i++) {\n authorizedClaimers[i] = claimers.getAuthorizedClaimer(delegators[i]);\n delegates[i] = rvr.delegates(delegators[i]);\n quantities[i] = rvr.balanceOf(delegators[i]);\n }\n\n ICrossDomainMessenger(MESSENGER).sendMessage(\n TARGET,\n abi.encodeWithSelector(\n IMainnetDelegation.setBatchDelegation.selector,\n delegators,\n delegates,\n authorizedClaimers,\n quantities\n ),\n 5_000_000\n );\n }\n}\n" }, "contracts/src/tokens/river/mainnet/delegation/ICrossDomainMessenger.sol": { "content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.23;\n\n// interfaces\n\n// libraries\n\n// contracts\n\ninterface ICrossDomainMessenger {\n event FailedRelayedMessage(bytes32 indexed msgHash);\n event RelayedMessage(bytes32 indexed msgHash);\n event SentMessage(\n address indexed target,\n address sender,\n bytes message,\n uint256 messageNonce,\n uint256 gasLimit\n );\n event SentMessageExtension1(address indexed sender, uint256 value);\n\n function MESSAGE_VERSION() external view returns (uint16);\n\n function MIN_GAS_CALLDATA_OVERHEAD() external view returns (uint64);\n\n function MIN_GAS_CONSTANT_OVERHEAD() external view returns (uint64);\n\n function MIN_GAS_DYNAMIC_OVERHEAD_DENOMINATOR()\n external\n view\n returns (uint64);\n\n function MIN_GAS_DYNAMIC_OVERHEAD_NUMERATOR() external view returns (uint64);\n\n function OTHER_MESSENGER() external view returns (address);\n\n function baseGas(\n bytes memory _message,\n uint32 _minGasLimit\n ) external pure returns (uint64);\n\n function failedMessages(bytes32) external view returns (bool);\n\n function messageNonce() external view returns (uint256);\n\n function relayMessage(\n uint256 _nonce,\n address _sender,\n address _target,\n uint256 _value,\n uint256 _minGasLimit,\n bytes memory _message\n ) external payable;\n\n function sendMessage(\n address _target,\n bytes memory _message,\n uint32 _minGasLimit\n ) external payable;\n\n function successfulMessages(bytes32) external view returns (bool);\n\n function xDomainMessageSender() external view returns (address);\n}\n" }, "contracts/src/tokens/river/base/delegation/IMainnetDelegation.sol": { "content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.23;\n\n// interfaces\n\n// libraries\n\n// contracts\ninterface IMainnetDelegationBase {\n // =============================================================\n // Structs\n // =============================================================\n\n /// @notice Delegation struct\n /// @param operator The operator address\n /// @param quantity The quantity delegated\n struct Delegation {\n address operator;\n uint256 quantity;\n address delegator;\n uint256 delegationTime;\n }\n\n // =============================================================\n // Events\n // =============================================================\n event DelegationSet(\n address indexed delegator,\n address indexed operator,\n uint256 quantity\n );\n\n event DelegationRemoved(address indexed delegator);\n\n // =============================================================\n // Errors\n // =============================================================\n error InvalidDelegator(address delegator);\n error InvalidOperator(address operator);\n error InvalidQuantity(uint256 quantity);\n error DelegationAlreadySet(address delegator, address operator);\n error DelegationNotSet();\n error InvalidClaimer(address claimer);\n error InvalidOwner(address owner);\n}\n\ninterface IMainnetDelegation is IMainnetDelegationBase {\n /*\n @notice Set batch cross-chain delegation\n * @param delegators The delegator address\n * @param delegates The address the delegator is delegating to\n * @param claimers The address the delegator is allowing to claim\n * @param quantities The quantity to delegate\n /\n function setBatchDelegation(\n address[] calldata delegators,\n address[] calldata delegates,\n address[] calldata claimers,\n uint256[] calldata quantities\n ) external;\n\n /\n @notice Set batch authorized claimers\n * @param delegators The delegator address\n * @param claimers The address the delegator is allowing to claim\n /\n function setBatchAuthorizedClaimers(\n address[] calldata delegators,\n address[] calldata claimers\n ) external;\n\n /\n @notice Set delegation of a delegator to a operator\n * @param delegator The delegator address\n * @param operator The operator address to delegate to\n * @param quantity The quantity to delegate\n /\n function setDelegation(\n address delegator,\n address operator,\n uint256 quantity\n ) external;\n\n /\n @notice Remove delegation of a delegator\n * @param delegators The delegator address\n /\n function removeDelegations(address[] memory delegators) external;\n\n /\n @notice Get delegation of a delegator\n * @param delegator The delegator address\n * @return Delegation delegation struct\n /\n function getDelegationByDelegator(\n address delegator\n ) external view returns (Delegation memory);\n\n /\n @notice Get delegation of a operator\n * @param operator The operator address\n * @return Delegation delegation struct\n /\n function getMainnetDelegationsByOperator(\n address operator\n ) external view returns (Delegation[] memory);\n\n /\n @notice Get delegated stake of a operator\n * @param operator The operator address\n * @return uint256 The delegated stake\n /\n function getDelegatedStakeByOperator(\n address operator\n ) external view returns (uint256);\n\n /\n @notice Set authorized claimer\n * @param owner The owner address\n * @param claimer The claimer address\n /\n function setAuthorizedClaimer(address owner, address claimer) external;\n\n /\n @notice Get authorized claimer\n * @param owner The owner address\n /\n function getAuthorizedClaimer(address owner) external view returns (address);\n\n function setProxyDelegation(address proxyDelegation) external;\n}\n" }, "contracts/src/tokens/river/mainnet/delegation/IProxyBatchDelegation.sol": { "content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.23;\n\n// interfaces\n\n// libraries\n\n// contracts\n\ninterface IProxyBatchDelegation {\n function sendDelegators() external;\n}\n" }, "contracts/src/tokens/river/mainnet/River.sol": { "content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.23;\n\n// interfaces\nimport {IRiver} from \"./IRiver.sol\";\nimport {IERC5805} from \"@openzeppelin/contracts/interfaces/IERC5805.sol\";\nimport {IERC20} from \"@openzeppelin/contracts/token/ERC20/IERC20.sol\";\nimport {IERC20Permit} from \"@openzeppelin/contracts/token/ERC20/extensions/IERC20Permit.sol\";\nimport {IERC20Metadata} from \"@openzeppelin/contracts/token/ERC20/extensions/IERC20Metadata.sol\";\nimport {ILock} from \"contracts/src/tokens/lock/ILock.sol\";\n\n// libraries\nimport {Nonces} from \"@openzeppelin/contracts/utils/Nonces.sol\";\n\n// contracts\n\nimport {ERC20} from \"@openzeppelin/contracts/token/ERC20/ERC20.sol\";\nimport {ERC20Permit} from \"@openzeppelin/contracts/token/ERC20/extensions/ERC20Permit.sol\";\nimport {ERC20Votes} from \"@openzeppelin/contracts/token/ERC20/extensions/ERC20Votes.sol\";\nimport {Ownable} from \"@openzeppelin/contracts/access/Ownable.sol\";\n\nimport {VotesEnumerable} from \"contracts/src/diamond/facets/governance/votes/enumerable/VotesEnumerable.sol\";\nimport {IntrospectionFacet} from \"contracts/src/diamond/facets/introspection/IntrospectionFacet.sol\";\nimport {LockFacet} from \"contracts/src/tokens/lock/LockFacet.sol\";\n\ncontract River is\n IRiver,\n Ownable,\n ERC20Permit,\n ERC20Votes,\n VotesEnumerable,\n LockFacet,\n IntrospectionFacet\n{\n /// @dev initial supply is 10 billion tokens\n uint256 internal constant INITIAL_SUPPLY = 10_000_000_000 ether;\n\n /// @dev deployment time\n uint256 public immutable deployedAt = block.timestamp;\n\n /// @dev initialInflationRate is the initial inflation rate in basis points (0-10000)\n uint256 public immutable initialInflationRate;\n\n /// @dev finalInflationRate is the final inflation rate in basis points (0-10000)\n uint256 public immutable finalInflationRate;\n\n /// @dev inflationDecreaseRate is the rate at which the inflation rate decreases in basis points (0-10000)\n uint256 public immutable inflationDecreaseRate;\n\n /// @dev inflationDecreaseInterval is the interval at which the inflation rate decreases in years\n uint256 public immutable inflationDecreaseInterval;\n\n /// @dev last mint time\n uint256 public lastMintTime;\n\n /// @dev inflation rate override\n bool public overrideInflation;\n uint256 public overrideInflationRate;\n\n constructor(\n RiverConfig memory config\n ) ERC20Permit(\"River\") Ownable(config.owner) ERC20(\"River\", \"RVR\") {\n __IntrospectionBase_init();\n __LockBase_init(0 days);\n\n // add interface\n _addInterface(type(IRiver).interfaceId);\n _addInterface(type(IERC5805).interfaceId);\n _addInterface(type(IERC20).interfaceId);\n _addInterface(type(IERC20Metadata).interfaceId);\n _addInterface(type(IERC20Permit).interfaceId);\n _addInterface(type(ILock).interfaceId);\n\n // mint to vault\n _mint(config.vault, INITIAL_SUPPLY);\n\n // set last mint time for inflation\n lastMintTime = block.timestamp;\n\n // set inflation values\n initialInflationRate = config.inflationConfig.initialInflationRate;\n finalInflationRate = config.inflationConfig.finalInflationRate;\n inflationDecreaseRate = config.inflationConfig.inflationDecreaseRate;\n inflationDecreaseInterval = config\n .inflationConfig\n .inflationDecreaseInterval;\n }\n\n // =============================================================\n // Inflation\n // =============================================================\n\n /// @inheritdoc IRiver\n function createInflation(address to) external onlyOwner {\n if (to == address(0)) revert River__InvalidAddress();\n\n // verify that minting can only happen once per year\n uint256 timeSinceLastMint = block.timestamp - lastMintTime;\n\n if (timeSinceLastMint < 365 days) revert River__MintingTooSoon();\n\n // calculate the amount to mint\n uint256 inflationRateBPS = _getCurrentInflationRateBPS();\n uint256 inflationAmount = (totalSupply() inflationRateBPS) / 10000;\n\n _mint(to, inflationAmount);\n\n // update last mint time\n lastMintTime = block.timestamp;\n }\n\n /// @inheritdoc IRiver\n function setOverrideInflation(\n bool _overrideInflation,\n uint256 _overrideInflationRate\n ) external onlyOwner {\n if (_overrideInflationRate > finalInflationRate)\n revert River__InvalidInflationRate();\n\n overrideInflation = _overrideInflation;\n overrideInflationRate = _overrideInflationRate;\n }\n\n // =============================================================\n // Hooks\n // =============================================================\n function _update(\n address from,\n address to,\n uint256 value\n ) internal virtual override(ERC20, ERC20Votes) {\n if (from != address(0) && _lockEnabled(from)) {\n // allow transfering at minting time\n revert River__TransferLockEnabled();\n }\n super._update(from, to, value);\n }\n\n /// @dev Hook that gets called before any external enable and disable lock function\n function _canLock() internal view override returns (bool) {\n return msg.sender == owner();\n }\n\n function _delegate(\n address account,\n address delegatee\n ) internal virtual override {\n // revert if the delegatee is the same as the current delegatee\n if (delegates(account) == delegatee) revert River__DelegateeSameAsCurrent();\n\n // if the delegatee is the zero address, initialize disable lock\n if (delegatee == address(0)) {\n _disableLock(account);\n } else {\n if (!_lockEnabled(account)) _enableLock(account);\n }\n address currentDelegatee = delegates(account);\n super._delegate(account, delegatee);\n\n _setDelegators(account, delegatee, currentDelegatee);\n }\n\n // =============================================================\n // Override\n // =============================================================\n\n /// @dev Do not allow enabling lock without delegating\n function enableLock(address account) external override onlyAllowed {}\n\n /// @dev Do not allow disabling lock without delegating\n function disableLock(address account) external override onlyAllowed {}\n\n /// @notice Clock used for flagging checkpoints, overriden to implement timestamp based\n /// checkpoints (and voting).\n function clock() public view override returns (uint48) {\n return uint48(block.timestamp);\n }\n\n /// @notice Machine-readable description of the clock as specified in EIP-6372.\n function CLOCK_MODE() public pure override returns (string memory) {\n return \"mode=timestamp\";\n }\n\n /// @notice Returns the current nonce for `owner`. This value must be\n /// included whenever a signature is generated for {permit}.\n /// @param owner The account to query the nonce for.\n function nonces(\n address owner\n ) public view virtual override(ERC20Permit, Nonces) returns (uint256) {\n return super.nonces(owner);\n }\n\n // =============================================================\n // Internal\n // =============================================================\n\n /*\n @dev Returns the current inflation rate.\n * @return inflation rate in basis points (0-100)\n /\n function _getCurrentInflationRateBPS() internal view returns (uint256) {\n uint256 yearsSinceDeployment = (block.timestamp - deployedAt) / 365 days;\n\n if (overrideInflation) return overrideInflationRate; // override inflation rate\n\n // return final inflation rate if yearsSinceDeployment is greater than or equal to inflationDecreaseInterval\n if (yearsSinceDeployment >= inflationDecreaseInterval)\n return finalInflationRate;\n\n // linear decrease from initialInflationRate to finalInflationRate over the inflationDecreateInterval\n uint256 decreasePerYear = inflationDecreaseRate / inflationDecreaseInterval;\n return initialInflationRate - (yearsSinceDeployment decreasePerYear);\n }\n}\n" }, "contracts/src/tokens/river/mainnet/claimer/AuthorizedClaimers.sol": { "content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.23;\n\n// interfaces\nimport {IAuthorizedClaimers} from \"./IAuthorizedClaimers.sol\";\n\n// libraries\nimport {AuthorizedClaimerStorage} from \"./AuthorizedClaimerStorage.sol\";\nimport {EIP712} from \"contracts/src/diamond/utils/cryptography/EIP712.sol\";\nimport {Nonces} from \"contracts/src/diamond/utils/Nonces.sol\";\nimport {ECDSA} from \"@openzeppelin/contracts/utils/cryptography/ECDSA.sol\";\n\n// contracts\n\n// debuggging\n\ncontract AuthorizedClaimers is IAuthorizedClaimers, EIP712, Nonces {\n // keccak256(\"Authorize(address owner,address claimer,uint256 nonce,uint256 expiry)\")\n bytes32 private constant _AUTHORIZE_TYPEHASH =\n 0x496b440527e20b246a460857dca887b9c1f290387cfc6ac9aa91bb6554be05ac;\n\n function authorizeClaimerBySig(\n address owner,\n address claimer,\n uint256 nonce,\n uint256 expiry,\n uint8 v,\n bytes32 r,\n bytes32 s\n ) external {\n if (expiry != 0 && block.timestamp >= expiry) {\n revert AuthorizedClaimers_ExpiredSignature();\n }\n\n address signer = ECDSA.recover(\n _hashTypedDataV4(\n keccak256(\n abi.encode(_AUTHORIZE_TYPEHASH, owner, claimer, nonce, expiry)\n )\n ),\n v,\n r,\n s\n );\n\n if (signer != owner) {\n revert AuthorizedClaimers_InvalidSignature();\n }\n\n _useCheckedNonce(owner, nonce);\n _authorizeClaimer(owner, claimer);\n }\n\n /// @inheritdoc IAuthorizedClaimers\n function authorizeClaimer(address claimer) external {\n _authorizeClaimer(msg.sender, claimer);\n }\n\n /// @inheritdoc IAuthorizedClaimers\n function removeAuthorizedClaimer() external {\n _authorizeClaimer(msg.sender, address(0));\n }\n\n /// @inheritdoc IAuthorizedClaimers\n function getAuthorizedClaimer(\n address authorizer\n ) external view returns (address) {\n return AuthorizedClaimerStorage.layout().authorizedClaimers[authorizer];\n }\n\n function nonces(address owner) external view returns (uint256 result) {\n return _latestNonce(owner);\n }\n\n function DOMAIN_SEPARATOR() external view returns (bytes32 result) {\n return _domainSeparatorV4();\n }\n\n // =============================================================\n // Internal\n // =============================================================\n function _authorizeClaimer(address signer, address claimer) internal {\n AuthorizedClaimerStorage.Layout storage ds = AuthorizedClaimerStorage\n .layout();\n\n if (claimer == address(0)) {\n delete ds.authorizedClaimers[signer];\n emit AuthorizedClaimerRemoved(signer);\n } else {\n address currentClaimer = ds.authorizedClaimers[signer];\n if (currentClaimer == claimer)\n revert AuthorizedClaimers_ClaimerAlreadyAuthorized();\n\n ds.authorizedClaimers[signer] = claimer;\n\n emit AuthorizedClaimerChanged(signer, claimer);\n }\n }\n}\n" }, "contracts/src/tokens/river/mainnet/IRiver.sol": { "content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.23;\n\ninterface IRiverBase {\n // =============================================================\n // Structs\n // =============================================================\n struct InflationConfig {\n uint256 initialInflationRate;\n uint256 finalInflationRate;\n uint256 inflationDecreaseRate;\n uint256 inflationDecreaseInterval;\n }\n\n struct RiverConfig {\n address vault;\n address owner;\n InflationConfig inflationConfig;\n }\n\n // =============================================================\n // Errors\n // =============================================================\n error River__InvalidInflationRate();\n error River__CannotMint();\n error River__CannotMintZero();\n error River__TransferLockEnabled();\n error River__InvalidDelegatee();\n error River__MintingTooSoon();\n error River__InvalidAddress();\n error River__DelegateeSameAsCurrent();\n}\n\ninterface IRiver is IRiverBase {\n // =============================================================\n // Functions\n // =============================================================\n\n /// @notice create inflation\n /// @param to address to mint token to\n function createInflation(address to) external;\n\n /// @notice override inflation\n /// @param overrideInflation bool to override inflation\n /// @param overrideInflationRate uint256 to override inflation rate\n function setOverrideInflation(\n bool overrideInflation,\n uint256 overrideInflationRate\n ) external;\n}\n" }, "lib/@openzeppelin/contracts/interfaces/IERC5805.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.0.0) (interfaces/IERC5805.sol)\n\npragma solidity ^0.8.20;\n\nimport {IVotes} from \"../governance/utils/IVotes.sol\";\nimport {IERC6372} from \"./IERC6372.sol\";\n\ninterface IERC5805 is IERC6372, IVotes {}\n" }, "lib/@openzeppelin/contracts/token/ERC20/IERC20.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.0.0) (token/ERC20/IERC20.sol)\n\npragma solidity ^0.8.20;\n\n/*\n @dev Interface of the ERC20 standard as defined in the EIP.\n /\ninterface IERC20 {\n /\n @dev Emitted when `value` tokens are moved from one account (`from`) to\n * another (`to`).\n \n Note that `value` may be zero.\n /\n event Transfer(address indexed from, address indexed to, uint256 value);\n\n /\n @dev Emitted when the allowance of a `spender` for an `owner` is set by\n * a call to {approve}. `value` is the new allowance.\n /\n event Approval(address indexed owner, address indexed spender, uint256 value);\n\n /\n @dev Returns the value of tokens in existence.\n /\n function totalSupply() external view returns (uint256);\n\n /\n @dev Returns the value of tokens owned by `account`.\n /\n function balanceOf(address account) external view returns (uint256);\n\n /\n @dev Moves a `value` amount of tokens from the caller's account to `to`.\n \n Returns a boolean value indicating whether the operation succeeded.\n \n Emits a {Transfer} event.\n /\n function transfer(address to, uint256 value) external returns (bool);\n\n /\n @dev Returns the remaining number of tokens that `spender` will be\n * allowed to spend on behalf of `owner` through {transferFrom}. This is\n * zero by default.\n \n This value changes when {approve} or {transferFrom} are called.\n /\n function allowance(address owner, address spender) external view returns (uint256);\n\n /\n @dev Sets a `value` amount of tokens as the allowance of `spender` over the\n * caller's tokens.\n \n Returns a boolean value indicating whether the operation succeeded.\n \n IMPORTANT: Beware that changing an allowance with this method brings the risk\n * that someone may use both the old and the new allowance by unfortunate\n * transaction ordering. One possible solution to mitigate this race\n * condition is to first reduce the spender's allowance to 0 and set the\n * desired value afterwards:\n * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729\n \n Emits an {Approval} event.\n /\n function approve(address spender, uint256 value) external returns (bool);\n\n /\n @dev Moves a `value` amount of tokens from `from` to `to` using the\n * allowance mechanism. `value` is then deducted from the caller's\n * allowance.\n \n Returns a boolean value indicating whether the operation succeeded.\n \n Emits a {Transfer} event.\n /\n function transferFrom(address from, address to, uint256 value) external returns (bool);\n}\n" }, "lib/@openzeppelin/contracts/token/ERC20/extensions/IERC20Permit.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.0.0) (token/ERC20/extensions/IERC20Permit.sol)\n\npragma solidity ^0.8.20;\n\n/\n @dev Interface of the ERC20 Permit extension allowing approvals to be made via signatures, as defined in\n * https://eips.ethereum.org/EIPS/eip-2612[EIP-2612].\n \n Adds the {permit} method, which can be used to change an account's ERC20 allowance (see {IERC20-allowance}) by\n * presenting a message signed by the account. By not relying on {IERC20-approve}, the token holder account doesn't\n * need to send a transaction, and thus is not required to hold Ether at all.\n \n ==== Security Considerations\n \n There are two important considerations concerning the use of `permit`. The first is that a valid permit signature\n * expresses an allowance, and it should not be assumed to convey additional meaning. In particular, it should not be\n * considered as an intention to spend the allowance in any specific way. The second is that because permits have\n * built-in replay protection and can be submitted by anyone, they can be frontrun. A protocol that uses permits should\n * take this into consideration and allow a `permit` call to fail. Combining these two aspects, a pattern that may be\n * generally recommended is:\n \n ```solidity\n * function doThingWithPermit(..., uint256 value, uint256 deadline, uint8 v, bytes32 r, bytes32 s) public {\n * try token.permit(msg.sender, address(this), value, deadline, v, r, s) {} catch {}\n * doThing(..., value);\n * }\n \n function doThing(..., uint256 value) public {\n * token.safeTransferFrom(msg.sender, address(this), value);\n * ...\n * }\n * ```\n \n Observe that: 1) `msg.sender` is used as the owner, leaving no ambiguity as to the signer intent, and 2) the use of\n * `try/catch` allows the permit to fail and makes the code tolerant to frontrunning. (See also\n * {SafeERC20-safeTransferFrom}).\n \n Additionally, note that smart contract wallets (such as Argent or Safe) are not able to produce permit signatures, so\n * contracts should have entry points that don't rely on permit.\n /\ninterface IERC20Permit {\n /\n @dev Sets `value` as the allowance of `spender` over ``owner``'s tokens,\n * given ``owner``'s signed approval.\n \n IMPORTANT: The same issues {IERC20-approve} has related to transaction\n * ordering also apply here.\n \n Emits an {Approval} event.\n \n Requirements:\n \n - `spender` cannot be the zero address.\n * - `deadline` must be a timestamp in the future.\n * - `v`, `r` and `s` must be a valid `secp256k1` signature from `owner`\n * over the EIP712-formatted function arguments.\n * - the signature must use ``owner``'s current nonce (see {nonces}).\n \n For more information on the signature format, see the\n * https://eips.ethereum.org/EIPS/eip-2612#specification[relevant EIP\n * section].\n \n CAUTION: See Security Considerations above.\n /\n function permit(\n address owner,\n address spender,\n uint256 value,\n uint256 deadline,\n uint8 v,\n bytes32 r,\n bytes32 s\n ) external;\n\n /\n @dev Returns the current nonce for `owner`. This value must be\n * included whenever a signature is generated for {permit}.\n \n Every successful call to {permit} increases ``owner``'s nonce by one. This\n * prevents a signature from being used multiple times.\n /\n function nonces(address owner) external view returns (uint256);\n\n /\n @dev Returns the domain separator used in the encoding of the signature for {permit}, as defined by {EIP712}.\n /\n // solhint-disable-next-line func-name-mixedcase\n function DOMAIN_SEPARATOR() external view returns (bytes32);\n}\n" }, "lib/@openzeppelin/contracts/token/ERC20/extensions/IERC20Metadata.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.0.0) (token/ERC20/extensions/IERC20Metadata.sol)\n\npragma solidity ^0.8.20;\n\nimport {IERC20} from \"../IERC20.sol\";\n\n/\n @dev Interface for the optional metadata functions from the ERC20 standard.\n /\ninterface IERC20Metadata is IERC20 {\n /\n @dev Returns the name of the token.\n /\n function name() external view returns (string memory);\n\n /\n @dev Returns the symbol of the token.\n /\n function symbol() external view returns (string memory);\n\n /\n @dev Returns the decimals places of the token.\n /\n function decimals() external view returns (uint8);\n}\n" }, "contracts/src/tokens/lock/ILock.sol": { "content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.23;\n\n// interfaces\n\n// libraries\n\n// contracts\n\ninterface ILockBase {\n error LockAlreadyEnabled();\n error LockAlreadyDisabled();\n error LockNotAuthorized();\n\n event LockUpdated(\n address indexed caller,\n bool indexed enabled,\n uint256 cooldown,\n uint256 timestamp\n );\n}\n\ninterface ILock is ILockBase {\n /\n @notice enable lock for the caller\n * @param account address to enable lock for\n /\n function enableLock(address account) external;\n\n /\n @notice disable lock for the caller\n * @param account address to disable lock for\n /\n function disableLock(address account) external;\n\n /\n @notice check if lock is enabled for an account\n * @param account address to check\n * @return true if lock is enabled\n /\n function isLockEnabled(address account) external view returns (bool);\n\n /\n @notice get the lock cooldown for an account\n * @param account address to check\n * @return cooldown in seconds\n /\n function lockCooldown(address account) external view returns (uint256);\n\n /\n @notice set the default lock cooldown\n * @param cooldown cooldown in seconds\n /\n function setLockCooldown(uint256 cooldown) external;\n}\n" }, "lib/@openzeppelin/contracts/utils/Nonces.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.0.0) (utils/Nonces.sol)\npragma solidity ^0.8.20;\n\n/\n @dev Provides tracking nonces for addresses. Nonces will only increment.\n /\nabstract contract Nonces {\n /\n @dev The nonce used for an `account` is not the expected current nonce.\n /\n error InvalidAccountNonce(address account, uint256 currentNonce);\n\n mapping(address account => uint256) private _nonces;\n\n /\n @dev Returns the next unused nonce for an address.\n /\n function nonces(address owner) public view virtual returns (uint256) {\n return _nonces[owner];\n }\n\n /\n @dev Consumes a nonce.\n \n Returns the current value and increments nonce.\n /\n function _useNonce(address owner) internal virtual returns (uint256) {\n // For each account, the nonce has an initial value of 0, can only be incremented by one, and cannot be\n // decremented or reset. This guarantees that the nonce never overflows.\n unchecked {\n // It is important to do x++ and not ++x here.\n return _nonces[owner]++;\n }\n }\n\n /\n @dev Same as {_useNonce} but checking that `nonce` is the next valid for `owner`.\n /\n function _useCheckedNonce(address owner, uint256 nonce) internal virtual {\n uint256 current = _useNonce(owner);\n if (nonce != current) {\n revert InvalidAccountNonce(owner, current);\n }\n }\n}\n" }, "lib/@openzeppelin/contracts/token/ERC20/ERC20.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.0.0) (token/ERC20/ERC20.sol)\n\npragma solidity ^0.8.20;\n\nimport {IERC20} from \"./IERC20.sol\";\nimport {IERC20Metadata} from \"./extensions/IERC20Metadata.sol\";\nimport {Context} from \"../../utils/Context.sol\";\nimport {IERC20Errors} from \"../../interfaces/draft-IERC6093.sol\";\n\n/\n @dev Implementation of the {IERC20} interface.\n \n This implementation is agnostic to the way tokens are created. This means\n * that a supply mechanism has to be added in a derived contract using {_mint}.\n \n TIP: For a detailed writeup see our guide\n * https://forum.openzeppelin.com/t/how-to-implement-erc20-supply-mechanisms/226[How\n * to implement supply mechanisms].\n \n The default value of {decimals} is 18. To change this, you should override\n * this function so it returns a different value.\n \n We have followed general OpenZeppelin Contracts guidelines: functions revert\n * instead returning `false` on failure. This behavior is nonetheless\n * conventional and does not conflict with the expectations of ERC20\n * applications.\n \n Additionally, an {Approval} event is emitted on calls to {transferFrom}.\n * This allows applications to reconstruct the allowance for all accounts just\n * by listening to said events. Other implementations of the EIP may not emit\n * these events, as it isn't required by the specification.\n /\nabstract contract ERC20 is Context, IERC20, IERC20Metadata, IERC20Errors {\n mapping(address account => uint256) private _balances;\n\n mapping(address account => mapping(address spender => uint256)) private _allowances;\n\n uint256 private _totalSupply;\n\n string private _name;\n string private _symbol;\n\n /\n @dev Sets the values for {name} and {symbol}.\n \n All two of these values are immutable: they can only be set once during\n * construction.\n /\n constructor(string memory name_, string memory symbol_) {\n _name = name_;\n _symbol = symbol_;\n }\n\n /\n @dev Returns the name of the token.\n /\n function name() public view virtual returns (string memory) {\n return _name;\n }\n\n /\n @dev Returns the symbol of the token, usually a shorter version of the\n * name.\n /\n function symbol() public view virtual returns (string memory) {\n return _symbol;\n }\n\n /\n @dev Returns the number of decimals used to get its user representation.\n * For example, if `decimals` equals `2`, a balance of `505` tokens should\n * be displayed to a user as `5.05` (`505 / 10 ** 2`).\n \n Tokens usually opt for a value of 18, imitating the relationship between\n * Ether and Wei. This is the default value returned by this function, unless\n * it's overridden.\n \n NOTE: This information is only used for _display_ purposes: it in\n * no way affects any of the arithmetic of the contract, including\n * {IERC20-balanceOf} and {IERC20-transfer}.\n /\n function decimals() public view virtual returns (uint8) {\n return 18;\n }\n\n /\n @dev See {IERC20-totalSupply}.\n /\n function totalSupply() public view virtual returns (uint256) {\n return _totalSupply;\n }\n\n /\n @dev See {IERC20-balanceOf}.\n /\n function balanceOf(address account) public view virtual returns (uint256) {\n return _balances[account];\n }\n\n /\n @dev See {IERC20-transfer}.\n \n Requirements:\n \n - `to` cannot be the zero address.\n * - the caller must have a balance of at least `value`.\n /\n function transfer(address to, uint256 value) public virtual returns (bool) {\n address owner = _msgSender();\n _transfer(owner, to, value);\n return true;\n }\n\n /\n @dev See {IERC20-allowance}.\n /\n function allowance(address owner, address spender) public view virtual returns (uint256) {\n return _allowances[owner][spender];\n }\n\n /\n @dev See {IERC20-approve}.\n \n NOTE: If `value` is the maximum `uint256`, the allowance is not updated on\n * `transferFrom`. This is semantically equivalent to an infinite approval.\n \n Requirements:\n \n - `spender` cannot be the zero address.\n /\n function approve(address spender, uint256 value) public virtual returns (bool) {\n address owner = _msgSender();\n _approve(owner, spender, value);\n return true;\n }\n\n /\n @dev See {IERC20-transferFrom}.\n \n Emits an {Approval} event indicating the updated allowance. This is not\n * required by the EIP. See the note at the beginning of {ERC20}.\n \n NOTE: Does not update the allowance if the current allowance\n * is the maximum `uint256`.\n \n Requirements:\n \n - `from` and `to` cannot be the zero address.\n * - `from` must have a balance of at least `value`.\n * - the caller must have allowance for ``from``'s tokens of at least\n * `value`.\n /\n function transferFrom(address from, address to, uint256 value) public virtual returns (bool) {\n address spender = _msgSender();\n _spendAllowance(from, spender, value);\n _transfer(from, to, value);\n return true;\n }\n\n /\n @dev Moves a `value` amount of tokens from `from` to `to`.\n \n This internal function is equivalent to {transfer}, and can be used to\n * e.g. implement automatic token fees, slashing mechanisms, etc.\n \n Emits a {Transfer} event.\n \n NOTE: This function is not virtual, {_update} should be overridden instead.\n /\n function _transfer(address from, address to, uint256 value) internal {\n if (from == address(0)) {\n revert ERC20InvalidSender(address(0));\n }\n if (to == address(0)) {\n revert ERC20InvalidReceiver(address(0));\n }\n _update(from, to, value);\n }\n\n /\n @dev Transfers a `value` amount of tokens from `from` to `to`, or alternatively mints (or burns) if `from`\n * (or `to`) is the zero address. All customizations to transfers, mints, and burns should be done by overriding\n * this function.\n \n Emits a {Transfer} event.\n /\n function _update(address from, address to, uint256 value) internal virtual {\n if (from == address(0)) {\n // Overflow check required: The rest of the code assumes that totalSupply never overflows\n _totalSupply += value;\n } else {\n uint256 fromBalance = _balances[from];\n if (fromBalance < value) {\n revert ERC20InsufficientBalance(from, fromBalance, value);\n }\n unchecked {\n // Overflow not possible: value <= fromBalance <= totalSupply.\n _balances[from] = fromBalance - value;\n }\n }\n\n if (to == address(0)) {\n unchecked {\n // Overflow not possible: value <= totalSupply or value <= fromBalance <= totalSupply.\n _totalSupply -= value;\n }\n } else {\n unchecked {\n // Overflow not possible: balance + value is at most totalSupply, which we know fits into a uint256.\n _balances[to] += value;\n }\n }\n\n emit Transfer(from, to, value);\n }\n\n /\n @dev Creates a `value` amount of tokens and assigns them to `account`, by transferring it from address(0).\n * Relies on the `_update` mechanism\n \n Emits a {Transfer} event with `from` set to the zero address.\n \n NOTE: This function is not virtual, {_update} should be overridden instead.\n /\n function _mint(address account, uint256 value) internal {\n if (account == address(0)) {\n revert ERC20InvalidReceiver(address(0));\n }\n _update(address(0), account, value);\n }\n\n /\n @dev Destroys a `value` amount of tokens from `account`, lowering the total supply.\n * Relies on the `_update` mechanism.\n \n Emits a {Transfer} event with `to` set to the zero address.\n \n NOTE: This function is not virtual, {_update} should be overridden instead\n /\n function _burn(address account, uint256 value) internal {\n if (account == address(0)) {\n revert ERC20InvalidSender(address(0));\n }\n _update(account, address(0), value);\n }\n\n /\n @dev Sets `value` as the allowance of `spender` over the `owner` s tokens.\n \n This internal function is equivalent to `approve`, and can be used to\n * e.g. set automatic allowances for certain subsystems, etc.\n \n Emits an {Approval} event.\n \n Requirements:\n \n - `owner` cannot be the zero address.\n * - `spender` cannot be the zero address.\n \n Overrides to this logic should be done to the variant with an additional `bool emitEvent` argument.\n /\n function _approve(address owner, address spender, uint256 value) internal {\n _approve(owner, spender, value, true);\n }\n\n /\n @dev Variant of {_approve} with an optional flag to enable or disable the {Approval} event.\n \n By default (when calling {_approve}) the flag is set to true. On the other hand, approval changes made by\n * `_spendAllowance` during the `transferFrom` operation set the flag to false. This saves gas by not emitting any\n * `Approval` event during `transferFrom` operations.\n \n Anyone who wishes to continue emitting `Approval` events on the`transferFrom` operation can force the flag to\n * true using the following override:\n * ```\n * function _approve(address owner, address spender, uint256 value, bool) internal virtual override {\n * super._approve(owner, spender, value, true);\n * }\n * ```\n \n Requirements are the same as {_approve}.\n /\n function _approve(address owner, address spender, uint256 value, bool emitEvent) internal virtual {\n if (owner == address(0)) {\n revert ERC20InvalidApprover(address(0));\n }\n if (spender == address(0)) {\n revert ERC20InvalidSpender(address(0));\n }\n _allowances[owner][spender] = value;\n if (emitEvent) {\n emit Approval(owner, spender, value);\n }\n }\n\n /\n @dev Updates `owner` s allowance for `spender` based on spent `value`.\n \n Does not update the allowance value in case of infinite allowance.\n * Revert if not enough allowance is available.\n \n Does not emit an {Approval} event.\n /\n function _spendAllowance(address owner, address spender, uint256 value) internal virtual {\n uint256 currentAllowance = allowance(owner, spender);\n if (currentAllowance != type(uint256).max) {\n if (currentAllowance < value) {\n revert ERC20InsufficientAllowance(spender, currentAllowance, value);\n }\n unchecked {\n _approve(owner, spender, currentAllowance - value, false);\n }\n }\n }\n}\n" }, "lib/@openzeppelin/contracts/token/ERC20/extensions/ERC20Permit.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.0.0) (token/ERC20/extensions/ERC20Permit.sol)\n\npragma solidity ^0.8.20;\n\nimport {IERC20Permit} from \"./IERC20Permit.sol\";\nimport {ERC20} from \"../ERC20.sol\";\nimport {ECDSA} from \"../../../utils/cryptography/ECDSA.sol\";\nimport {EIP712} from \"../../../utils/cryptography/EIP712.sol\";\nimport {Nonces} from \"../../../utils/Nonces.sol\";\n\n/\n @dev Implementation of the ERC20 Permit extension allowing approvals to be made via signatures, as defined in\n * https://eips.ethereum.org/EIPS/eip-2612[EIP-2612].\n \n Adds the {permit} method, which can be used to change an account's ERC20 allowance (see {IERC20-allowance}) by\n * presenting a message signed by the account. By not relying on `{IERC20-approve}`, the token holder account doesn't\n * need to send a transaction, and thus is not required to hold Ether at all.\n /\nabstract contract ERC20Permit is ERC20, IERC20Permit, EIP712, Nonces {\n bytes32 private constant PERMIT_TYPEHASH =\n keccak256(\"Permit(address owner,address spender,uint256 value,uint256 nonce,uint256 deadline)\");\n\n /\n @dev Permit deadline has expired.\n /\n error ERC2612ExpiredSignature(uint256 deadline);\n\n /\n @dev Mismatched signature.\n /\n error ERC2612InvalidSigner(address signer, address owner);\n\n /\n @dev Initializes the {EIP712} domain separator using the `name` parameter, and setting `version` to `\"1\"`.\n \n It's a good idea to use the same `name` that is defined as the ERC20 token name.\n /\n constructor(string memory name) EIP712(name, \"1\") {}\n\n /\n @inheritdoc IERC20Permit\n /\n function permit(\n address owner,\n address spender,\n uint256 value,\n uint256 deadline,\n uint8 v,\n bytes32 r,\n bytes32 s\n ) public virtual {\n if (block.timestamp > deadline) {\n revert ERC2612ExpiredSignature(deadline);\n }\n\n bytes32 structHash = keccak256(abi.encode(PERMIT_TYPEHASH, owner, spender, value, _useNonce(owner), deadline));\n\n bytes32 hash = _hashTypedDataV4(structHash);\n\n address signer = ECDSA.recover(hash, v, r, s);\n if (signer != owner) {\n revert ERC2612InvalidSigner(signer, owner);\n }\n\n _approve(owner, spender, value);\n }\n\n /\n @inheritdoc IERC20Permit\n /\n function nonces(address owner) public view virtual override(IERC20Permit, Nonces) returns (uint256) {\n return super.nonces(owner);\n }\n\n /\n @inheritdoc IERC20Permit\n /\n // solhint-disable-next-line func-name-mixedcase\n function DOMAIN_SEPARATOR() external view virtual returns (bytes32) {\n return _domainSeparatorV4();\n }\n}\n" }, "lib/@openzeppelin/contracts/token/ERC20/extensions/ERC20Votes.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.0.0) (token/ERC20/extensions/ERC20Votes.sol)\n\npragma solidity ^0.8.20;\n\nimport {ERC20} from \"../ERC20.sol\";\nimport {Votes} from \"../../../governance/utils/Votes.sol\";\nimport {Checkpoints} from \"../../../utils/structs/Checkpoints.sol\";\n\n/\n @dev Extension of ERC20 to support Compound-like voting and delegation. This version is more generic than Compound's,\n * and supports token supply up to 2^208^ - 1, while COMP is limited to 2^96^ - 1.\n \n NOTE: This contract does not provide interface compatibility with Compound's COMP token.\n \n This extension keeps a history (checkpoints) of each account's vote power. Vote power can be delegated either\n * by calling the {delegate} function directly, or by providing a signature to be used with {delegateBySig}. Voting\n * power can be queried through the public accessors {getVotes} and {getPastVotes}.\n \n By default, token balance does not account for voting power. This makes transfers cheaper. The downside is that it\n * requires users to delegate to themselves in order to activate checkpoints and have their voting power tracked.\n /\nabstract contract ERC20Votes is ERC20, Votes {\n /\n @dev Total supply cap has been exceeded, introducing a risk of votes overflowing.\n /\n error ERC20ExceededSafeSupply(uint256 increasedSupply, uint256 cap);\n\n /\n @dev Maximum token supply. Defaults to `type(uint208).max` (2^208^ - 1).\n \n This maximum is enforced in {_update}. It limits the total supply of the token, which is otherwise a uint256,\n * so that checkpoints can be stored in the Trace208 structure used by {{Votes}}. Increasing this value will not\n * remove the underlying limitation, and will cause {_update} to fail because of a math overflow in\n * {_transferVotingUnits}. An override could be used to further restrict the total supply (to a lower value) if\n * additional logic requires it. When resolving override conflicts on this function, the minimum should be\n * returned.\n /\n function _maxSupply() internal view virtual returns (uint256) {\n return type(uint208).max;\n }\n\n /\n @dev Move voting power when tokens are transferred.\n \n Emits a {IVotes-DelegateVotesChanged} event.\n /\n function _update(address from, address to, uint256 value) internal virtual override {\n super._update(from, to, value);\n if (from == address(0)) {\n uint256 supply = totalSupply();\n uint256 cap = _maxSupply();\n if (supply > cap) {\n revert ERC20ExceededSafeSupply(supply, cap);\n }\n }\n _transferVotingUnits(from, to, value);\n }\n\n /\n @dev Returns the voting units of an `account`.\n \n WARNING: Overriding this function may compromise the internal vote accounting.\n * `ERC20Votes` assumes tokens map to voting units 1:1 and this is not easy to change.\n /\n function _getVotingUnits(address account) internal view virtual override returns (uint256) {\n return balanceOf(account);\n }\n\n /\n @dev Get number of checkpoints for `account`.\n /\n function numCheckpoints(address account) public view virtual returns (uint32) {\n return _numCheckpoints(account);\n }\n\n /\n @dev Get the `pos`-th checkpoint for `account`.\n /\n function checkpoints(address account, uint32 pos) public view virtual returns (Checkpoints.Checkpoint208 memory) {\n return _checkpoints(account, pos);\n }\n}\n" }, "lib/@openzeppelin/contracts/access/Ownable.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.0.0) (access/Ownable.sol)\n\npragma solidity ^0.8.20;\n\nimport {Context} from \"../utils/Context.sol\";\n\n/\n @dev Contract module which provides a basic access control mechanism, where\n * there is an account (an owner) that can be granted exclusive access to\n * specific functions.\n \n The initial owner is set to the address provided by the deployer. This can\n * later be changed with {transferOwnership}.\n \n This module is used through inheritance. It will make available the modifier\n * `onlyOwner`, which can be applied to your functions to restrict their use to\n * the owner.\n /\nabstract contract Ownable is Context {\n address private _owner;\n\n /\n @dev The caller account is not authorized to perform an operation.\n /\n error OwnableUnauthorizedAccount(address account);\n\n /\n @dev The owner is not a valid owner account. (eg. `address(0)`)\n /\n error OwnableInvalidOwner(address owner);\n\n event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);\n\n /\n @dev Initializes the contract setting the address provided by the deployer as the initial owner.\n /\n constructor(address initialOwner) {\n if (initialOwner == address(0)) {\n revert OwnableInvalidOwner(address(0));\n }\n _transferOwnership(initialOwner);\n }\n\n /\n @dev Throws if called by any account other than the owner.\n /\n modifier onlyOwner() {\n _checkOwner();\n _;\n }\n\n /\n @dev Returns the address of the current owner.\n /\n function owner() public view virtual returns (address) {\n return _owner;\n }\n\n /\n @dev Throws if the sender is not the owner.\n /\n function _checkOwner() internal view virtual {\n if (owner() != _msgSender()) {\n revert OwnableUnauthorizedAccount(_msgSender());\n }\n }\n\n /\n @dev Leaves the contract without owner. It will not be possible to call\n * `onlyOwner` functions. Can only be called by the current owner.\n \n NOTE: Renouncing ownership will leave the contract without an owner,\n * thereby disabling any functionality that is only available to the owner.\n /\n function renounceOwnership() public virtual onlyOwner {\n _transferOwnership(address(0));\n }\n\n /\n @dev Transfers ownership of the contract to a new account (`newOwner`).\n * Can only be called by the current owner.\n /\n function transferOwnership(address newOwner) public virtual onlyOwner {\n if (newOwner == address(0)) {\n revert OwnableInvalidOwner(address(0));\n }\n _transferOwnership(newOwner);\n }\n\n /\n @dev Transfers ownership of the contract to a new account (`newOwner`).\n * Internal function without access restriction.\n /\n function _transferOwnership(address newOwner) internal virtual {\n address oldOwner = _owner;\n _owner = newOwner;\n emit OwnershipTransferred(oldOwner, newOwner);\n }\n}\n" }, "contracts/src/diamond/facets/governance/votes/enumerable/VotesEnumerable.sol": { "content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.23;\n\n// interfaces\nimport {IVotesEnumerable} from \"contracts/src/diamond/facets/governance/votes/enumerable/IVotesEnumerable.sol\";\n\n// libraries\nimport {EnumerableSet} from \"@openzeppelin/contracts/utils/structs/EnumerableSet.sol\";\nimport {VotesEnumerableStorage} from \"./VotesEnumerableStorage.sol\";\n\n// contracts\nabstract contract VotesEnumerable is IVotesEnumerable {\n using EnumerableSet for EnumerableSet.AddressSet;\n\n function getDelegators() external view returns (address[] memory) {\n return VotesEnumerableStorage.layout().delegators.values();\n }\n\n function getDelegatorsByDelegatee(\n address account\n ) external view returns (address[] memory) {\n return\n VotesEnumerableStorage.layout().delegatorsByDelegatee[account].values();\n }\n\n function getDelegationTimeForDelegator(\n address account\n ) external view returns (uint256) {\n return VotesEnumerableStorage.layout().delegationTimeForDelegator[account];\n }\n\n function _setDelegators(\n address account,\n address newDelegatee,\n address currentDelegatee\n ) internal virtual {\n VotesEnumerableStorage.Layout storage ds = VotesEnumerableStorage.layout();\n\n ds.delegators.remove(account);\n ds.delegatorsByDelegatee[currentDelegatee].remove(account);\n\n // if the delegatee is not address(0) then add the account and is not already a delegator then add it\n if (newDelegatee != address(0)) {\n ds.delegators.add(account);\n ds.delegatorsByDelegatee[newDelegatee].add(account);\n ds.delegationTimeForDelegator[account] = block.timestamp;\n }\n }\n}\n" }, "contracts/src/diamond/facets/introspection/IntrospectionFacet.sol": { "content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.23;\n\n// interfaces\nimport {IERC165} from \"@openzeppelin/contracts/utils/introspection/IERC165.sol\";\n\n// libraries\n\n// contracts\nimport {IntrospectionBase} from \"./IntrospectionBase.sol\";\nimport {Facet} from \"../Facet.sol\";\n\ncontract IntrospectionFacet is IntrospectionBase, IERC165, Facet {\n function __Introspection_init() external virtual onlyInitializing {\n __IntrospectionBase_init();\n }\n\n /// @inheritdoc IERC165\n function supportsInterface(\n bytes4 interfaceId\n ) public view virtual override returns (bool) {\n return _supportsInterface(interfaceId);\n }\n}\n" }, "contracts/src/tokens/lock/LockFacet.sol": { "content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.23;\n\n// interfaces\nimport {ILock} from \"./ILock.sol\";\n\n// libraries\n\n// contracts\nimport {LockBase} from \"contracts/src/tokens/lock/LockBase.sol\";\nimport {Facet} from \"contracts/src/diamond/facets/Facet.sol\";\n\nabstract contract LockFacet is ILock, LockBase, Facet {\n function __LockFacet_init(uint256 cooldown) external onlyInitializing {\n __LockBase_init(cooldown);\n _addInterface(type(ILock).interfaceId);\n }\n\n /// @inheritdoc ILock\n function isLockEnabled(address account) external view virtual returns (bool) {\n return _lockEnabled(account);\n }\n\n function lockCooldown(\n address account\n ) external view virtual returns (uint256) {\n return _lockCooldown(account);\n }\n\n /// @inheritdoc ILock\n function enableLock(address account) external virtual onlyAllowed {\n _enableLock(account);\n }\n\n /// @inheritdoc ILock\n function disableLock(address account) external virtual onlyAllowed {\n _disableLock(account);\n }\n\n /// @inheritdoc ILock\n function setLockCooldown(uint256 cooldown) external virtual onlyAllowed {\n _setDefaultCooldown(cooldown);\n }\n}\n" }, "contracts/src/tokens/river/mainnet/claimer/IAuthorizedClaimers.sol": { "content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.23;\n\n// This contract is used to authorize claimers to claim rewards on the authorizer's behalf\ninterface IAuthorizedClaimersBase {\n // Errors\n error AuthorizedClaimers_ClaimerAlreadyAuthorized();\n error AuthorizedClaimers_InvalidSignature();\n error AuthorizedClaimers_ExpiredSignature();\n\n // Events\n event AuthorizedClaimerChanged(\n address indexed authorizer,\n address indexed claimer\n );\n event AuthorizedClaimerRemoved(address indexed authorizer);\n}\n\ninterface IAuthorizedClaimers is IAuthorizedClaimersBase {\n // Authorize a claimer to claim rewards on the callers behalf\n function authorizeClaimer(address claimer) external;\n\n // Authorize a claimer to claim rewards on the authorizer's behalf\n function authorizeClaimerBySig(\n address owner,\n address claimer,\n uint256 nonce,\n uint256 expiry,\n uint8 v,\n bytes32 r,\n bytes32 s\n ) external;\n\n // Get the authorized claimer for the authorizer\n function getAuthorizedClaimer(\n address authorizer\n ) external view returns (address);\n\n // Remove the authorized claimer for the caller\n function removeAuthorizedClaimer() external;\n}\n" }, "contracts/src/tokens/river/mainnet/claimer/AuthorizedClaimerStorage.sol": { "content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.23;\n\n// interfaces\n\n// libraries\n\n// contracts\n\nlibrary AuthorizedClaimerStorage {\n // keccak256(abi.encode(uint256(keccak256(\"facets.authorized.claimer.storage\")) - 1)) & ~bytes32(uint256(0xff))\n bytes32 internal constant STORAGE_SLOT =\n 0x5c7ae9c5b9b0882e9774077e2c97d13a2ab9f337fdc777b0f495e367ced70e00;\n\n struct Layout {\n mapping(address => address) authorizedClaimers;\n }\n\n function layout() internal pure returns (Layout storage s) {\n bytes32 slot = STORAGE_SLOT;\n assembly {\n s.slot := slot\n }\n }\n}\n" }, "contracts/src/diamond/utils/cryptography/EIP712.sol": { "content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.23;\n\n// interfaces\nimport {IERC5267} from \"./IERC5267.sol\";\n\n// libraries\nimport {MessageHashUtils} from \"@openzeppelin/contracts/utils/cryptography/MessageHashUtils.sol\";\nimport {ECDSA} from \"@openzeppelin/contracts/utils/cryptography/ECDSA.sol\";\n\n// contracts\nimport {Initializable} from \"contracts/src/diamond/facets/initializable/Initializable.sol\";\n\n/\n @dev https://eips.ethereum.org/EIPS/eip-712[EIP 712] is a standard for hashing and signing of typed structured data.\n \n The encoding specified in the EIP is very generic, and such a generic implementation in Solidity is not feasible,\n * thus this contract does not implement the encoding itself. Protocols need to implement the type-specific encoding\n * they need in their contracts using a combination of `abi.encode` and `keccak256`.\n \n This contract implements the EIP 712 domain separator ({_domainSeparatorV4}) that is used as part of the encoding\n * scheme, and the final step of the encoding to obtain the message digest that is then signed via ECDSA\n * ({_hashTypedDataV4}).\n \n The implementation of the domain separator was designed to be as efficient as possible while still properly updating\n * the chain id to protect against replay attacks on an eventual fork of the chain.\n \n NOTE: This contract implements the version of the encoding known as \"v4\", as implemented by the JSON RPC method\n * https://docs.metamask.io/guide/signing-data.html[`eth_signTypedDataV4` in MetaMask].\n \n NOTE: In the upgradeable version of this contract, the cached values will correspond to the address, and the domain\n * separator of the implementation contract. This will cause the `_domainSeparatorV4` function to always rebuild the\n * separator from the immutable values, which is cheaper than accessing a cached version in cold storage.\n \n _Available since v3.4._\n \n @custom:storage-size 52\n /\nabstract contract EIP712 is Initializable, IERC5267 {\n using EIP712Storage for EIP712Storage.Layout;\n\n bytes32 private constant _TYPE_HASH =\n keccak256(\n \"EIP712Domain(string name,string version,uint256 chainId,address verifyingContract)\"\n );\n\n /\n @dev Initializes the domain separator and parameter caches.\n \n The meaning of `name` and `version` is specified in\n * https://eips.ethereum.org/EIPS/eip-712#definition-of-domainseparator[EIP 712]:\n \n - `name`: the user readable name of the signing domain, i.e. the name of the DApp or the protocol.\n * - `version`: the current major version of the signing domain.\n \n NOTE: These parameters cannot be changed except through a xref:learn::upgrading-smart-contracts.adoc[smart\n * contract upgrade].\n /\n function __EIP712_init(\n string memory name,\n string memory version\n ) internal onlyInitializing {\n __EIP712_init_unchained(name, version);\n }\n\n function __EIP712_init_unchained(\n string memory name,\n string memory version\n ) internal {\n EIP712Storage.layout()._name = name;\n EIP712Storage.layout()._version = version;\n\n // Reset prior values in storage if upgrading\n EIP712Storage.layout()._hashedName = 0;\n EIP712Storage.layout()._hashedVersion = 0;\n }\n\n /\n @dev Returns the domain separator for the current chain.\n /\n function _domainSeparatorV4() internal view returns (bytes32) {\n return _buildDomainSeparator();\n }\n\n function _buildDomainSeparator() private view returns (bytes32) {\n return\n keccak256(\n abi.encode(\n _TYPE_HASH,\n _EIP712NameHash(),\n _EIP712VersionHash(),\n block.chainid,\n address(this)\n )\n );\n }\n\n /\n @dev Given an already https://eips.ethereum.org/EIPS/eip-712#definition-of-hashstruct[hashed struct], this\n * function returns the hash of the fully encoded EIP712 message for this domain.\n \n This hash can be used together with {ECDSA-recover} to obtain the signer of a message. For example:\n \n ```solidity\n * bytes32 digest = _hashTypedDataV4(keccak256(abi.encode(\n * keccak256(\"Mail(address to,string contents)\"),\n * mailTo,\n * keccak256(bytes(mailContents))\n * )));\n * address signer = ECDSA.recover(digest, signature);\n * ```\n /\n function _hashTypedDataV4(\n bytes32 structHash\n ) internal view virtual returns (bytes32) {\n return MessageHashUtils.toTypedDataHash(_domainSeparatorV4(), structHash);\n }\n\n /\n @dev See {EIP-5267}.\n \n _Available since v4.9._\n /\n function eip712Domain()\n public\n view\n virtual\n override\n returns (\n bytes1 fields,\n string memory name,\n string memory version,\n uint256 chainId,\n address verifyingContract,\n bytes32 salt,\n uint256[] memory extensions\n )\n {\n // If the hashed name and version in storage are non-zero, the contract hasn't been properly initialized\n // and the EIP712 domain is not reliable, as it will be missing name and version.\n require(\n EIP712Storage.layout()._hashedName == 0 &&\n EIP712Storage.layout()._hashedVersion == 0,\n \"EIP712: Uninitialized\"\n );\n\n return (\n hex\"0f\", // 01111\n _EIP712Name(),\n _EIP712Version(),\n block.chainid,\n address(this),\n bytes32(0),\n new uint256[](0)\n );\n }\n\n /\n @dev The name parameter for the EIP712 domain.\n \n NOTE: This function reads from storage by default, but can be redefined to return a constant value if gas costs\n * are a concern.\n /\n function _EIP712Name() internal view virtual returns (string memory) {\n return EIP712Storage.layout()._name;\n }\n\n /\n @dev The version parameter for the EIP712 domain.\n \n NOTE: This function reads from storage by default, but can be redefined to return a constant value if gas costs\n * are a concern.\n /\n function _EIP712Version() internal view virtual returns (string memory) {\n return EIP712Storage.layout()._version;\n }\n\n /\n @dev The hash of the name parameter for the EIP712 domain.\n \n NOTE: In previous versions this function was virtual. In this version you should override `_EIP712Name` instead.\n /\n function _EIP712NameHash() internal view returns (bytes32) {\n string memory name = _EIP712Name();\n if (bytes(name).length > 0) {\n return keccak256(bytes(name));\n } else {\n // If the name is empty, the contract may have been upgraded without initializing the new storage.\n // We return the name hash in storage if non-zero, otherwise we assume the name is empty by design.\n bytes32 hashedName = EIP712Storage.layout()._hashedName;\n if (hashedName != 0) {\n return hashedName;\n } else {\n return keccak256(\"\");\n }\n }\n }\n\n /\n @dev The hash of the version parameter for the EIP712 domain.\n \n NOTE: In previous versions this function was virtual. In this version you should override `_EIP712Version` instead.\n /\n function _EIP712VersionHash() internal view returns (bytes32) {\n string memory version = _EIP712Version();\n if (bytes(version).length > 0) {\n return keccak256(bytes(version));\n } else {\n // If the version is empty, the contract may have been upgraded without initializing the new storage.\n // We return the version hash in storage if non-zero, otherwise we assume the version is empty by design.\n bytes32 hashedVersion = EIP712Storage.layout()._hashedVersion;\n if (hashedVersion != 0) {\n return hashedVersion;\n } else {\n return keccak256(\"\");\n }\n }\n }\n}\n\nlibrary EIP712Storage {\n struct Layout {\n bytes32 _hashedName;\n bytes32 _hashedVersion;\n string _name;\n string _version;\n }\n\n bytes32 internal constant STORAGE_SLOT =\n keccak256(\"diamond.utils.cryptography.EIP712Storage\");\n\n function layout() internal pure returns (Layout storage l) {\n bytes32 slot = STORAGE_SLOT;\n assembly {\n l.slot := slot\n }\n }\n}\n" }, "contracts/src/diamond/utils/Nonces.sol": { "content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.23;\n\n// interfaces\n\n// libraries\n\n// contracts\n\n/\n @dev Provides tracking nonces for addresses. Nonces will only increment.\n /\nabstract contract Nonces {\n /\n @dev The nonce used for an `account` is not the expected current nonce.\n /\n error InvalidAccountNonce(address account, uint256 currentNonce);\n\n /\n @dev Returns the current nonce for an address.\n /\n function _latestNonce(address owner) internal view virtual returns (uint256) {\n return NoncesStorage.layout()._nonces[owner];\n }\n\n /\n @dev Consumes a nonce.\n \n Returns the current value and increments nonce.\n /\n function _useNonce(address owner) internal virtual returns (uint256) {\n // For each account, the nonce has an initial value of 0, can only be incremented by one, and cannot be\n // decremented or reset. This guarantees that the nonce never overflows.\n unchecked {\n // It is important to do x++ and not ++x here.\n return NoncesStorage.layout()._nonces[owner]++;\n }\n }\n\n /\n @dev Same as {_useNonce} but checking that `nonce` is the next valid for `owner`.\n /\n function _useCheckedNonce(address owner, uint256 nonce) internal virtual {\n uint256 current = _useNonce(owner);\n if (nonce != current) {\n revert InvalidAccountNonce(owner, current);\n }\n }\n}\n\nlibrary NoncesStorage {\n // keccak256(abi.encode(uint256(keccak256(\"diamond.facets.utils.nonces.storage\")) - 1)) & ~bytes32(uint256(0xff))\n bytes32 internal constant STORAGE_SLOT =\n 0xda5d6d87446d81938877f0ee239dac391146dd7466ea30567f72becf06773c00;\n\n struct Layout {\n mapping(address => uint256) _nonces;\n }\n\n function layout() internal pure returns (Layout storage l) {\n bytes32 position = STORAGE_SLOT;\n assembly {\n l.slot := position\n }\n }\n}\n" }, "lib/@openzeppelin/contracts/utils/cryptography/ECDSA.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.0.0) (utils/cryptography/ECDSA.sol)\n\npragma solidity ^0.8.20;\n\n/\n @dev Elliptic Curve Digital Signature Algorithm (ECDSA) operations.\n \n These functions can be used to verify that a message was signed by the holder\n * of the private keys of a given address.\n /\nlibrary ECDSA {\n enum RecoverError {\n NoError,\n InvalidSignature,\n InvalidSignatureLength,\n InvalidSignatureS\n }\n\n /\n @dev The signature derives the `address(0)`.\n /\n error ECDSAInvalidSignature();\n\n /\n @dev The signature has an invalid length.\n /\n error ECDSAInvalidSignatureLength(uint256 length);\n\n /\n @dev The signature has an S value that is in the upper half order.\n /\n error ECDSAInvalidSignatureS(bytes32 s);\n\n /\n @dev Returns the address that signed a hashed message (`hash`) with `signature` or an error. This will not\n * return address(0) without also returning an error description. Errors are documented using an enum (error type)\n * and a bytes32 providing additional information about the error.\n \n If no error is returned, then the address can be used for verification purposes.\n \n The `ecrecover` EVM precompile allows for malleable (non-unique) signatures:\n * this function rejects them by requiring the `s` value to be in the lower\n * half order, and the `v` value to be either 27 or 28.\n \n IMPORTANT: `hash` _must_ be the result of a hash operation for the\n * verification to be secure: it is possible to craft signatures that\n * recover to arbitrary addresses for non-hashed data. A safe way to ensure\n * this is by receiving a hash of the original message (which may otherwise\n * be too long), and then calling {MessageHashUtils-toEthSignedMessageHash} on it.\n \n Documentation for signature generation:\n * - with https://web3js.readthedocs.io/en/v1.3.4/web3-eth-accounts.html#sign[Web3.js]\n * - with https://docs.ethers.io/v5/api/signer/#Signer-signMessage[ethers]\n /\n function tryRecover(bytes32 hash, bytes memory signature) internal pure returns (address, RecoverError, bytes32) {\n if (signature.length == 65) {\n bytes32 r;\n bytes32 s;\n uint8 v;\n // ecrecover takes the signature parameters, and the only way to get them\n // currently is to use assembly.\n /// @solidity memory-safe-assembly\n assembly {\n r := mload(add(signature, 0x20))\n s := mload(add(signature, 0x40))\n v := byte(0, mload(add(signature, 0x60)))\n }\n return tryRecover(hash, v, r, s);\n } else {\n return (address(0), RecoverError.InvalidSignatureLength, bytes32(signature.length));\n }\n }\n\n /\n @dev Returns the address that signed a hashed message (`hash`) with\n * `signature`. This address can then be used for verification purposes.\n \n The `ecrecover` EVM precompile allows for malleable (non-unique) signatures:\n * this function rejects them by requiring the `s` value to be in the lower\n * half order, and the `v` value to be either 27 or 28.\n \n IMPORTANT: `hash` _must_ be the result of a hash operation for the\n * verification to be secure: it is possible to craft signatures that\n * recover to arbitrary addresses for non-hashed data. A safe way to ensure\n * this is by receiving a hash of the original message (which may otherwise\n * be too long), and then calling {MessageHashUtils-toEthSignedMessageHash} on it.\n /\n function recover(bytes32 hash, bytes memory signature) internal pure returns (address) {\n (address recovered, RecoverError error, bytes32 errorArg) = tryRecover(hash, signature);\n _throwError(error, errorArg);\n return recovered;\n }\n\n /\n @dev Overload of {ECDSA-tryRecover} that receives the `r` and `vs` short-signature fields separately.\n \n See https://eips.ethereum.org/EIPS/eip-2098[EIP-2098 short signatures]\n /\n function tryRecover(bytes32 hash, bytes32 r, bytes32 vs) internal pure returns (address, RecoverError, bytes32) {\n unchecked {\n bytes32 s = vs & bytes32(0x7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff);\n // We do not check for an overflow here since the shift operation results in 0 or 1.\n uint8 v = uint8((uint256(vs) >> 255) + 27);\n return tryRecover(hash, v, r, s);\n }\n }\n\n /\n @dev Overload of {ECDSA-recover} that receives the `r and `vs` short-signature fields separately.\n /\n function recover(bytes32 hash, bytes32 r, bytes32 vs) internal pure returns (address) {\n (address recovered, RecoverError error, bytes32 errorArg) = tryRecover(hash, r, vs);\n _throwError(error, errorArg);\n return recovered;\n }\n\n /\n @dev Overload of {ECDSA-tryRecover} that receives the `v`,\n * `r` and `s` signature fields separately.\n /\n function tryRecover(\n bytes32 hash,\n uint8 v,\n bytes32 r,\n bytes32 s\n ) internal pure returns (address, RecoverError, bytes32) {\n // EIP-2 still allows signature malleability for ecrecover(). Remove this possibility and make the signature\n // unique. Appendix F in the Ethereum Yellow paper (https://ethereum.github.io/yellowpaper/paper.pdf), defines\n // the valid range for s in (301): 0 < s < secp256k1n ÷ 2 + 1, and for v in (302): v ∈ {27, 28}. Most\n // signatures from current libraries generate a unique signature with an s-value in the lower half order.\n //\n // If your library generates malleable signatures, such as s-values in the upper range, calculate a new s-value\n // with 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEBAAEDCE6AF48A03BBFD25E8CD0364141 - s1 and flip v from 27 to 28 or\n // vice versa. If your library also generates signatures with 0/1 for v instead 27/28, add 27 to v to accept\n // these malleable signatures as well.\n if (uint256(s) > 0x7FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF5D576E7357A4501DDFE92F46681B20A0) {\n return (address(0), RecoverError.InvalidSignatureS, s);\n }\n\n // If the signature is valid (and not malleable), return the signer address\n address signer = ecrecover(hash, v, r, s);\n if (signer == address(0)) {\n return (address(0), RecoverError.InvalidSignature, bytes32(0));\n }\n\n return (signer, RecoverError.NoError, bytes32(0));\n }\n\n /\n @dev Overload of {ECDSA-recover} that receives the `v`,\n * `r` and `s` signature fields separately.\n /\n function recover(bytes32 hash, uint8 v, bytes32 r, bytes32 s) internal pure returns (address) {\n (address recovered, RecoverError error, bytes32 errorArg) = tryRecover(hash, v, r, s);\n _throwError(error, errorArg);\n return recovered;\n }\n\n /\n @dev Optionally reverts with the corresponding custom error according to the `error` argument provided.\n /\n function _throwError(RecoverError error, bytes32 errorArg) private pure {\n if (error == RecoverError.NoError) {\n return; // no error: do nothing\n } else if (error == RecoverError.InvalidSignature) {\n revert ECDSAInvalidSignature();\n } else if (error == RecoverError.InvalidSignatureLength) {\n revert ECDSAInvalidSignatureLength(uint256(errorArg));\n } else if (error == RecoverError.InvalidSignatureS) {\n revert ECDSAInvalidSignatureS(errorArg);\n }\n }\n}\n" }, "lib/@openzeppelin/contracts/governance/utils/IVotes.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.0.0) (governance/utils/IVotes.sol)\npragma solidity ^0.8.20;\n\n/\n @dev Common interface for {ERC20Votes}, {ERC721Votes}, and other {Votes}-enabled contracts.\n /\ninterface IVotes {\n /\n @dev The signature used has expired.\n /\n error VotesExpiredSignature(uint256 expiry);\n\n /\n @dev Emitted when an account changes their delegate.\n /\n event DelegateChanged(address indexed delegator, address indexed fromDelegate, address indexed toDelegate);\n\n /\n @dev Emitted when a token transfer or delegate change results in changes to a delegate's number of voting units.\n /\n event DelegateVotesChanged(address indexed delegate, uint256 previousVotes, uint256 newVotes);\n\n /\n @dev Returns the current amount of votes that `account` has.\n /\n function getVotes(address account) external view returns (uint256);\n\n /\n @dev Returns the amount of votes that `account` had at a specific moment in the past. If the `clock()` is\n * configured to use block numbers, this will return the value at the end of the corresponding block.\n /\n function getPastVotes(address account, uint256 timepoint) external view returns (uint256);\n\n /\n @dev Returns the total supply of votes available at a specific moment in the past. If the `clock()` is\n * configured to use block numbers, this will return the value at the end of the corresponding block.\n \n NOTE: This value is the sum of all available votes, which is not necessarily the sum of all delegated votes.\n * Votes that have not been delegated are still part of total supply, even though they would not participate in a\n * vote.\n /\n function getPastTotalSupply(uint256 timepoint) external view returns (uint256);\n\n /\n @dev Returns the delegate that `account` has chosen.\n /\n function delegates(address account) external view returns (address);\n\n /\n @dev Delegates votes from the sender to `delegatee`.\n /\n function delegate(address delegatee) external;\n\n /\n @dev Delegates votes from signer to `delegatee`.\n /\n function delegateBySig(address delegatee, uint256 nonce, uint256 expiry, uint8 v, bytes32 r, bytes32 s) external;\n}\n" }, "lib/@openzeppelin/contracts/interfaces/IERC6372.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.0.0) (interfaces/IERC6372.sol)\n\npragma solidity ^0.8.20;\n\ninterface IERC6372 {\n /\n @dev Clock used for flagging checkpoints. Can be overridden to implement timestamp based checkpoints (and voting).\n /\n function clock() external view returns (uint48);\n\n /\n @dev Description of the clock\n /\n // solhint-disable-next-line func-name-mixedcase\n function CLOCK_MODE() external view returns (string memory);\n}\n" }, "lib/@openzeppelin/contracts/utils/Context.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.0.1) (utils/Context.sol)\n\npragma solidity ^0.8.20;\n\n/\n @dev Provides information about the current execution context, including the\n * sender of the transaction and its data. While these are generally available\n * via msg.sender and msg.data, they should not be accessed in such a direct\n * manner, since when dealing with meta-transactions the account sending and\n * paying for execution may not be the actual sender (as far as an application\n * is concerned).\n \n This contract is only required for intermediate, library-like contracts.\n /\nabstract contract Context {\n function _msgSender() internal view virtual returns (address) {\n return msg.sender;\n }\n\n function _msgData() internal view virtual returns (bytes calldata) {\n return msg.data;\n }\n\n function _contextSuffixLength() internal view virtual returns (uint256) {\n return 0;\n }\n}\n" }, "lib/@openzeppelin/contracts/interfaces/draft-IERC6093.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.0.0) (interfaces/draft-IERC6093.sol)\npragma solidity ^0.8.20;\n\n/\n @dev Standard ERC20 Errors\n * Interface of the https://eips.ethereum.org/EIPS/eip-6093[ERC-6093] custom errors for ERC20 tokens.\n /\ninterface IERC20Errors {\n /\n @dev Indicates an error related to the current `balance` of a `sender`. Used in transfers.\n * @param sender Address whose tokens are being transferred.\n * @param balance Current balance for the interacting account.\n * @param needed Minimum amount required to perform a transfer.\n /\n error ERC20InsufficientBalance(address sender, uint256 balance, uint256 needed);\n\n /\n @dev Indicates a failure with the token `sender`. Used in transfers.\n * @param sender Address whose tokens are being transferred.\n /\n error ERC20InvalidSender(address sender);\n\n /\n @dev Indicates a failure with the token `receiver`. Used in transfers.\n * @param receiver Address to which tokens are being transferred.\n /\n error ERC20InvalidReceiver(address receiver);\n\n /\n @dev Indicates a failure with the `spender`’s `allowance`. Used in transfers.\n * @param spender Address that may be allowed to operate on tokens without being their owner.\n * @param allowance Amount of tokens a `spender` is allowed to operate with.\n * @param needed Minimum amount required to perform a transfer.\n /\n error ERC20InsufficientAllowance(address spender, uint256 allowance, uint256 needed);\n\n /\n @dev Indicates a failure with the `approver` of a token to be approved. Used in approvals.\n * @param approver Address initiating an approval operation.\n /\n error ERC20InvalidApprover(address approver);\n\n /\n @dev Indicates a failure with the `spender` to be approved. Used in approvals.\n * @param spender Address that may be allowed to operate on tokens without being their owner.\n /\n error ERC20InvalidSpender(address spender);\n}\n\n/\n @dev Standard ERC721 Errors\n * Interface of the https://eips.ethereum.org/EIPS/eip-6093[ERC-6093] custom errors for ERC721 tokens.\n /\ninterface IERC721Errors {\n /\n @dev Indicates that an address can't be an owner. For example, `address(0)` is a forbidden owner in EIP-20.\n * Used in balance queries.\n * @param owner Address of the current owner of a token.\n /\n error ERC721InvalidOwner(address owner);\n\n /\n @dev Indicates a `tokenId` whose `owner` is the zero address.\n * @param tokenId Identifier number of a token.\n /\n error ERC721NonexistentToken(uint256 tokenId);\n\n /\n @dev Indicates an error related to the ownership over a particular token. Used in transfers.\n * @param sender Address whose tokens are being transferred.\n * @param tokenId Identifier number of a token.\n * @param owner Address of the current owner of a token.\n /\n error ERC721IncorrectOwner(address sender, uint256 tokenId, address owner);\n\n /\n @dev Indicates a failure with the token `sender`. Used in transfers.\n * @param sender Address whose tokens are being transferred.\n /\n error ERC721InvalidSender(address sender);\n\n /\n @dev Indicates a failure with the token `receiver`. Used in transfers.\n * @param receiver Address to which tokens are being transferred.\n /\n error ERC721InvalidReceiver(address receiver);\n\n /\n @dev Indicates a failure with the `operator`’s approval. Used in transfers.\n * @param operator Address that may be allowed to operate on tokens without being their owner.\n * @param tokenId Identifier number of a token.\n /\n error ERC721InsufficientApproval(address operator, uint256 tokenId);\n\n /\n @dev Indicates a failure with the `approver` of a token to be approved. Used in approvals.\n * @param approver Address initiating an approval operation.\n /\n error ERC721InvalidApprover(address approver);\n\n /\n @dev Indicates a failure with the `operator` to be approved. Used in approvals.\n * @param operator Address that may be allowed to operate on tokens without being their owner.\n /\n error ERC721InvalidOperator(address operator);\n}\n\n/\n @dev Standard ERC1155 Errors\n * Interface of the https://eips.ethereum.org/EIPS/eip-6093[ERC-6093] custom errors for ERC1155 tokens.\n /\ninterface IERC1155Errors {\n /\n @dev Indicates an error related to the current `balance` of a `sender`. Used in transfers.\n * @param sender Address whose tokens are being transferred.\n * @param balance Current balance for the interacting account.\n * @param needed Minimum amount required to perform a transfer.\n * @param tokenId Identifier number of a token.\n /\n error ERC1155InsufficientBalance(address sender, uint256 balance, uint256 needed, uint256 tokenId);\n\n /\n @dev Indicates a failure with the token `sender`. Used in transfers.\n * @param sender Address whose tokens are being transferred.\n /\n error ERC1155InvalidSender(address sender);\n\n /\n @dev Indicates a failure with the token `receiver`. Used in transfers.\n * @param receiver Address to which tokens are being transferred.\n /\n error ERC1155InvalidReceiver(address receiver);\n\n /\n @dev Indicates a failure with the `operator`’s approval. Used in transfers.\n * @param operator Address that may be allowed to operate on tokens without being their owner.\n * @param owner Address of the current owner of a token.\n /\n error ERC1155MissingApprovalForAll(address operator, address owner);\n\n /\n @dev Indicates a failure with the `approver` of a token to be approved. Used in approvals.\n * @param approver Address initiating an approval operation.\n /\n error ERC1155InvalidApprover(address approver);\n\n /\n @dev Indicates a failure with the `operator` to be approved. Used in approvals.\n * @param operator Address that may be allowed to operate on tokens without being their owner.\n /\n error ERC1155InvalidOperator(address operator);\n\n /\n @dev Indicates an array length mismatch between ids and values in a safeBatchTransferFrom operation.\n * Used in batch transfers.\n * @param idsLength Length of the array of token identifiers\n * @param valuesLength Length of the array of token amounts\n /\n error ERC1155InvalidArrayLength(uint256 idsLength, uint256 valuesLength);\n}\n" }, "lib/@openzeppelin/contracts/utils/cryptography/EIP712.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.0.0) (utils/cryptography/EIP712.sol)\n\npragma solidity ^0.8.20;\n\nimport {MessageHashUtils} from \"./MessageHashUtils.sol\";\nimport {ShortStrings, ShortString} from \"../ShortStrings.sol\";\nimport {IERC5267} from \"../../interfaces/IERC5267.sol\";\n\n/\n @dev https://eips.ethereum.org/EIPS/eip-712[EIP 712] is a standard for hashing and signing of typed structured data.\n \n The encoding scheme specified in the EIP requires a domain separator and a hash of the typed structured data, whose\n * encoding is very generic and therefore its implementation in Solidity is not feasible, thus this contract\n * does not implement the encoding itself. Protocols need to implement the type-specific encoding they need in order to\n * produce the hash of their typed data using a combination of `abi.encode` and `keccak256`.\n \n This contract implements the EIP 712 domain separator ({_domainSeparatorV4}) that is used as part of the encoding\n * scheme, and the final step of the encoding to obtain the message digest that is then signed via ECDSA\n * ({_hashTypedDataV4}).\n \n The implementation of the domain separator was designed to be as efficient as possible while still properly updating\n * the chain id to protect against replay attacks on an eventual fork of the chain.\n \n NOTE: This contract implements the version of the encoding known as \"v4\", as implemented by the JSON RPC method\n * https://docs.metamask.io/guide/signing-data.html[`eth_signTypedDataV4` in MetaMask].\n \n NOTE: In the upgradeable version of this contract, the cached values will correspond to the address, and the domain\n * separator of the implementation contract. This will cause the {_domainSeparatorV4} function to always rebuild the\n * separator from the immutable values, which is cheaper than accessing a cached version in cold storage.\n \n @custom:oz-upgrades-unsafe-allow state-variable-immutable\n /\nabstract contract EIP712 is IERC5267 {\n using ShortStrings for ;\n\n bytes32 private constant TYPE_HASH =\n keccak256(\"EIP712Domain(string name,string version,uint256 chainId,address verifyingContract)\");\n\n // Cache the domain separator as an immutable value, but also store the chain id that it corresponds to, in order to\n // invalidate the cached domain separator if the chain id changes.\n bytes32 private immutable _cachedDomainSeparator;\n uint256 private immutable _cachedChainId;\n address private immutable _cachedThis;\n\n bytes32 private immutable _hashedName;\n bytes32 private immutable _hashedVersion;\n\n ShortString private immutable _name;\n ShortString private immutable _version;\n string private _nameFallback;\n string private _versionFallback;\n\n /*\n @dev Initializes the domain separator and parameter caches.\n \n The meaning of `name` and `version` is specified in\n * https://eips.ethereum.org/EIPS/eip-712#definition-of-domainseparator[EIP 712]:\n \n - `name`: the user readable name of the signing domain, i.e. the name of the DApp or the protocol.\n * - `version`: the current major version of the signing domain.\n \n NOTE: These parameters cannot be changed except through a xref:learn::upgrading-smart-contracts.adoc[smart\n * contract upgrade].\n /\n constructor(string memory name, string memory version) {\n _name = name.toShortStringWithFallback(_nameFallback);\n _version = version.toShortStringWithFallback(_versionFallback);\n _hashedName = keccak256(bytes(name));\n _hashedVersion = keccak256(bytes(version));\n\n _cachedChainId = block.chainid;\n _cachedDomainSeparator = _buildDomainSeparator();\n _cachedThis = address(this);\n }\n\n /\n @dev Returns the domain separator for the current chain.\n /\n function _domainSeparatorV4() internal view returns (bytes32) {\n if (address(this) == _cachedThis && block.chainid == _cachedChainId) {\n return _cachedDomainSeparator;\n } else {\n return _buildDomainSeparator();\n }\n }\n\n function _buildDomainSeparator() private view returns (bytes32) {\n return keccak256(abi.encode(TYPE_HASH, _hashedName, _hashedVersion, block.chainid, address(this)));\n }\n\n /\n @dev Given an already https://eips.ethereum.org/EIPS/eip-712#definition-of-hashstruct[hashed struct], this\n * function returns the hash of the fully encoded EIP712 message for this domain.\n \n This hash can be used together with {ECDSA-recover} to obtain the signer of a message. For example:\n \n ```solidity\n * bytes32 digest = _hashTypedDataV4(keccak256(abi.encode(\n * keccak256(\"Mail(address to,string contents)\"),\n * mailTo,\n * keccak256(bytes(mailContents))\n * )));\n * address signer = ECDSA.recover(digest, signature);\n * ```\n /\n function _hashTypedDataV4(bytes32 structHash) internal view virtual returns (bytes32) {\n return MessageHashUtils.toTypedDataHash(_domainSeparatorV4(), structHash);\n }\n\n /\n @dev See {IERC-5267}.\n /\n function eip712Domain()\n public\n view\n virtual\n returns (\n bytes1 fields,\n string memory name,\n string memory version,\n uint256 chainId,\n address verifyingContract,\n bytes32 salt,\n uint256[] memory extensions\n )\n {\n return (\n hex\"0f\", // 01111\n _EIP712Name(),\n _EIP712Version(),\n block.chainid,\n address(this),\n bytes32(0),\n new uint256[](0)\n );\n }\n\n /\n @dev The name parameter for the EIP712 domain.\n \n NOTE: By default this function reads _name which is an immutable value.\n * It only reads from storage if necessary (in case the value is too large to fit in a ShortString).\n /\n // solhint-disable-next-line func-name-mixedcase\n function _EIP712Name() internal view returns (string memory) {\n return _name.toStringWithFallback(_nameFallback);\n }\n\n /\n @dev The version parameter for the EIP712 domain.\n \n NOTE: By default this function reads _version which is an immutable value.\n * It only reads from storage if necessary (in case the value is too large to fit in a ShortString).\n /\n // solhint-disable-next-line func-name-mixedcase\n function _EIP712Version() internal view returns (string memory) {\n return _version.toStringWithFallback(_versionFallback);\n }\n}\n" }, "lib/@openzeppelin/contracts/governance/utils/Votes.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.0.0) (governance/utils/Votes.sol)\npragma solidity ^0.8.20;\n\nimport {IERC5805} from \"../../interfaces/IERC5805.sol\";\nimport {Context} from \"../../utils/Context.sol\";\nimport {Nonces} from \"../../utils/Nonces.sol\";\nimport {EIP712} from \"../../utils/cryptography/EIP712.sol\";\nimport {Checkpoints} from \"../../utils/structs/Checkpoints.sol\";\nimport {SafeCast} from \"../../utils/math/SafeCast.sol\";\nimport {ECDSA} from \"../../utils/cryptography/ECDSA.sol\";\nimport {Time} from \"../../utils/types/Time.sol\";\n\n/\n @dev This is a base abstract contract that tracks voting units, which are a measure of voting power that can be\n * transferred, and provides a system of vote delegation, where an account can delegate its voting units to a sort of\n * \"representative\" that will pool delegated voting units from different accounts and can then use it to vote in\n * decisions. In fact, voting units _must_ be delegated in order to count as actual votes, and an account has to\n * delegate those votes to itself if it wishes to participate in decisions and does not have a trusted representative.\n \n This contract is often combined with a token contract such that voting units correspond to token units. For an\n * example, see {ERC721Votes}.\n \n The full history of delegate votes is tracked on-chain so that governance protocols can consider votes as distributed\n * at a particular block number to protect against flash loans and double voting. The opt-in delegate system makes the\n * cost of this history tracking optional.\n \n When using this module the derived contract must implement {_getVotingUnits} (for example, make it return\n * {ERC721-balanceOf}), and can use {_transferVotingUnits} to track a change in the distribution of those units (in the\n * previous example, it would be included in {ERC721-_update}).\n /\nabstract contract Votes is Context, EIP712, Nonces, IERC5805 {\n using Checkpoints for Checkpoints.Trace208;\n\n bytes32 private constant DELEGATION_TYPEHASH =\n keccak256(\"Delegation(address delegatee,uint256 nonce,uint256 expiry)\");\n\n mapping(address account => address) private _delegatee;\n\n mapping(address delegatee => Checkpoints.Trace208) private _delegateCheckpoints;\n\n Checkpoints.Trace208 private _totalCheckpoints;\n\n /\n @dev The clock was incorrectly modified.\n /\n error ERC6372InconsistentClock();\n\n /\n @dev Lookup to future votes is not available.\n /\n error ERC5805FutureLookup(uint256 timepoint, uint48 clock);\n\n /\n @dev Clock used for flagging checkpoints. Can be overridden to implement timestamp based\n * checkpoints (and voting), in which case {CLOCK_MODE} should be overridden as well to match.\n /\n function clock() public view virtual returns (uint48) {\n return Time.blockNumber();\n }\n\n /\n @dev Machine-readable description of the clock as specified in EIP-6372.\n /\n // solhint-disable-next-line func-name-mixedcase\n function CLOCK_MODE() public view virtual returns (string memory) {\n // Check that the clock was not modified\n if (clock() != Time.blockNumber()) {\n revert ERC6372InconsistentClock();\n }\n return \"mode=blocknumber&from=default\";\n }\n\n /\n @dev Returns the current amount of votes that `account` has.\n /\n function getVotes(address account) public view virtual returns (uint256) {\n return _delegateCheckpoints[account].latest();\n }\n\n /\n @dev Returns the amount of votes that `account` had at a specific moment in the past. If the `clock()` is\n * configured to use block numbers, this will return the value at the end of the corresponding block.\n \n Requirements:\n \n - `timepoint` must be in the past. If operating using block numbers, the block must be already mined.\n /\n function getPastVotes(address account, uint256 timepoint) public view virtual returns (uint256) {\n uint48 currentTimepoint = clock();\n if (timepoint >= currentTimepoint) {\n revert ERC5805FutureLookup(timepoint, currentTimepoint);\n }\n return _delegateCheckpoints[account].upperLookupRecent(SafeCast.toUint48(timepoint));\n }\n\n /\n @dev Returns the total supply of votes available at a specific moment in the past. If the `clock()` is\n * configured to use block numbers, this will return the value at the end of the corresponding block.\n \n NOTE: This value is the sum of all available votes, which is not necessarily the sum of all delegated votes.\n * Votes that have not been delegated are still part of total supply, even though they would not participate in a\n * vote.\n \n Requirements:\n \n - `timepoint` must be in the past. If operating using block numbers, the block must be already mined.\n /\n function getPastTotalSupply(uint256 timepoint) public view virtual returns (uint256) {\n uint48 currentTimepoint = clock();\n if (timepoint >= currentTimepoint) {\n revert ERC5805FutureLookup(timepoint, currentTimepoint);\n }\n return _totalCheckpoints.upperLookupRecent(SafeCast.toUint48(timepoint));\n }\n\n /\n @dev Returns the current total supply of votes.\n /\n function _getTotalSupply() internal view virtual returns (uint256) {\n return _totalCheckpoints.latest();\n }\n\n /\n @dev Returns the delegate that `account` has chosen.\n /\n function delegates(address account) public view virtual returns (address) {\n return _delegatee[account];\n }\n\n /\n @dev Delegates votes from the sender to `delegatee`.\n /\n function delegate(address delegatee) public virtual {\n address account = _msgSender();\n _delegate(account, delegatee);\n }\n\n /\n @dev Delegates votes from signer to `delegatee`.\n /\n function delegateBySig(\n address delegatee,\n uint256 nonce,\n uint256 expiry,\n uint8 v,\n bytes32 r,\n bytes32 s\n ) public virtual {\n if (block.timestamp > expiry) {\n revert VotesExpiredSignature(expiry);\n }\n address signer = ECDSA.recover(\n _hashTypedDataV4(keccak256(abi.encode(DELEGATION_TYPEHASH, delegatee, nonce, expiry))),\n v,\n r,\n s\n );\n _useCheckedNonce(signer, nonce);\n _delegate(signer, delegatee);\n }\n\n /\n @dev Delegate all of `account`'s voting units to `delegatee`.\n \n Emits events {IVotes-DelegateChanged} and {IVotes-DelegateVotesChanged}.\n /\n function _delegate(address account, address delegatee) internal virtual {\n address oldDelegate = delegates(account);\n _delegatee[account] = delegatee;\n\n emit DelegateChanged(account, oldDelegate, delegatee);\n _moveDelegateVotes(oldDelegate, delegatee, _getVotingUnits(account));\n }\n\n /\n @dev Transfers, mints, or burns voting units. To register a mint, `from` should be zero. To register a burn, `to`\n * should be zero. Total supply of voting units will be adjusted with mints and burns.\n /\n function _transferVotingUnits(address from, address to, uint256 amount) internal virtual {\n if (from == address(0)) {\n _push(_totalCheckpoints, _add, SafeCast.toUint208(amount));\n }\n if (to == address(0)) {\n _push(_totalCheckpoints, _subtract, SafeCast.toUint208(amount));\n }\n _moveDelegateVotes(delegates(from), delegates(to), amount);\n }\n\n /\n @dev Moves delegated votes from one delegate to another.\n /\n function _moveDelegateVotes(address from, address to, uint256 amount) private {\n if (from != to && amount > 0) {\n if (from != address(0)) {\n (uint256 oldValue, uint256 newValue) = _push(\n _delegateCheckpoints[from],\n _subtract,\n SafeCast.toUint208(amount)\n );\n emit DelegateVotesChanged(from, oldValue, newValue);\n }\n if (to != address(0)) {\n (uint256 oldValue, uint256 newValue) = _push(\n _delegateCheckpoints[to],\n _add,\n SafeCast.toUint208(amount)\n );\n emit DelegateVotesChanged(to, oldValue, newValue);\n }\n }\n }\n\n /\n @dev Get number of checkpoints for `account`.\n /\n function _numCheckpoints(address account) internal view virtual returns (uint32) {\n return SafeCast.toUint32(_delegateCheckpoints[account].length());\n }\n\n /\n @dev Get the `pos`-th checkpoint for `account`.\n /\n function _checkpoints(\n address account,\n uint32 pos\n ) internal view virtual returns (Checkpoints.Checkpoint208 memory) {\n return _delegateCheckpoints[account].at(pos);\n }\n\n function _push(\n Checkpoints.Trace208 storage store,\n function(uint208, uint208) view returns (uint208) op,\n uint208 delta\n ) private returns (uint208, uint208) {\n return store.push(clock(), op(store.latest(), delta));\n }\n\n function _add(uint208 a, uint208 b) private pure returns (uint208) {\n return a + b;\n }\n\n function _subtract(uint208 a, uint208 b) private pure returns (uint208) {\n return a - b;\n }\n\n /\n @dev Must return the voting units held by an account.\n /\n function _getVotingUnits(address) internal view virtual returns (uint256);\n}\n" }, "lib/@openzeppelin/contracts/utils/structs/Checkpoints.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.0.0) (utils/structs/Checkpoints.sol)\n// This file was procedurally generated from scripts/generate/templates/Checkpoints.js.\n\npragma solidity ^0.8.20;\n\nimport {Math} from \"../math/Math.sol\";\n\n/\n @dev This library defines the `Trace` struct, for checkpointing values as they change at different points in\n time, and later looking up past values by block number. See {Votes} as an example.\n \n To create a history of checkpoints define a variable type `Checkpoints.Trace` in your contract, and store a new\n checkpoint for the current transaction block using the {push} function.\n /\nlibrary Checkpoints {\n /\n @dev A value was attempted to be inserted on a past checkpoint.\n /\n error CheckpointUnorderedInsertion();\n\n struct Trace224 {\n Checkpoint224[] _checkpoints;\n }\n\n struct Checkpoint224 {\n uint32 _key;\n uint224 _value;\n }\n\n /\n @dev Pushes a (`key`, `value`) pair into a Trace224 so that it is stored as the checkpoint.\n \n Returns previous value and new value.\n \n IMPORTANT: Never accept `key` as a user input, since an arbitrary `type(uint32).max` key set will disable the\n * library.\n /\n function push(Trace224 storage self, uint32 key, uint224 value) internal returns (uint224, uint224) {\n return _insert(self._checkpoints, key, value);\n }\n\n /\n @dev Returns the value in the first (oldest) checkpoint with key greater or equal than the search key, or zero if\n * there is none.\n /\n function lowerLookup(Trace224 storage self, uint32 key) internal view returns (uint224) {\n uint256 len = self._checkpoints.length;\n uint256 pos = _lowerBinaryLookup(self._checkpoints, key, 0, len);\n return pos == len ? 0 : _unsafeAccess(self._checkpoints, pos)._value;\n }\n\n /\n @dev Returns the value in the last (most recent) checkpoint with key lower or equal than the search key, or zero\n * if there is none.\n /\n function upperLookup(Trace224 storage self, uint32 key) internal view returns (uint224) {\n uint256 len = self._checkpoints.length;\n uint256 pos = _upperBinaryLookup(self._checkpoints, key, 0, len);\n return pos == 0 ? 0 : _unsafeAccess(self._checkpoints, pos - 1)._value;\n }\n\n /\n @dev Returns the value in the last (most recent) checkpoint with key lower or equal than the search key, or zero\n * if there is none.\n \n NOTE: This is a variant of {upperLookup} that is optimised to find \"recent\" checkpoint (checkpoints with high\n * keys).\n /\n function upperLookupRecent(Trace224 storage self, uint32 key) internal view returns (uint224) {\n uint256 len = self._checkpoints.length;\n\n uint256 low = 0;\n uint256 high = len;\n\n if (len > 5) {\n uint256 mid = len - Math.sqrt(len);\n if (key < _unsafeAccess(self._checkpoints, mid)._key) {\n high = mid;\n } else {\n low = mid + 1;\n }\n }\n\n uint256 pos = _upperBinaryLookup(self._checkpoints, key, low, high);\n\n return pos == 0 ? 0 : _unsafeAccess(self._checkpoints, pos - 1)._value;\n }\n\n /\n @dev Returns the value in the most recent checkpoint, or zero if there are no checkpoints.\n /\n function latest(Trace224 storage self) internal view returns (uint224) {\n uint256 pos = self._checkpoints.length;\n return pos == 0 ? 0 : _unsafeAccess(self._checkpoints, pos - 1)._value;\n }\n\n /\n @dev Returns whether there is a checkpoint in the structure (i.e. it is not empty), and if so the key and value\n * in the most recent checkpoint.\n /\n function latestCheckpoint(Trace224 storage self) internal view returns (bool exists, uint32 _key, uint224 _value) {\n uint256 pos = self._checkpoints.length;\n if (pos == 0) {\n return (false, 0, 0);\n } else {\n Checkpoint224 memory ckpt = _unsafeAccess(self._checkpoints, pos - 1);\n return (true, ckpt._key, ckpt._value);\n }\n }\n\n /\n @dev Returns the number of checkpoint.\n /\n function length(Trace224 storage self) internal view returns (uint256) {\n return self._checkpoints.length;\n }\n\n /\n @dev Returns checkpoint at given position.\n /\n function at(Trace224 storage self, uint32 pos) internal view returns (Checkpoint224 memory) {\n return self._checkpoints[pos];\n }\n\n /\n @dev Pushes a (`key`, `value`) pair into an ordered list of checkpoints, either by inserting a new checkpoint,\n * or by updating the last one.\n /\n function _insert(Checkpoint224[] storage self, uint32 key, uint224 value) private returns (uint224, uint224) {\n uint256 pos = self.length;\n\n if (pos > 0) {\n // Copying to memory is important here.\n Checkpoint224 memory last = _unsafeAccess(self, pos - 1);\n\n // Checkpoint keys must be non-decreasing.\n if (last._key > key) {\n revert CheckpointUnorderedInsertion();\n }\n\n // Update or push new checkpoint\n if (last._key == key) {\n _unsafeAccess(self, pos - 1)._value = value;\n } else {\n self.push(Checkpoint224({_key: key, _value: value}));\n }\n return (last._value, value);\n } else {\n self.push(Checkpoint224({_key: key, _value: value}));\n return (0, value);\n }\n }\n\n /\n @dev Return the index of the last (most recent) checkpoint with key lower or equal than the search key, or `high`\n * if there is none. `low` and `high` define a section where to do the search, with inclusive `low` and exclusive\n * `high`.\n \n WARNING: `high` should not be greater than the array's length.\n /\n function _upperBinaryLookup(\n Checkpoint224[] storage self,\n uint32 key,\n uint256 low,\n uint256 high\n ) private view returns (uint256) {\n while (low < high) {\n uint256 mid = Math.average(low, high);\n if (_unsafeAccess(self, mid)._key > key) {\n high = mid;\n } else {\n low = mid + 1;\n }\n }\n return high;\n }\n\n /\n @dev Return the index of the first (oldest) checkpoint with key is greater or equal than the search key, or\n * `high` if there is none. `low` and `high` define a section where to do the search, with inclusive `low` and\n * exclusive `high`.\n \n WARNING: `high` should not be greater than the array's length.\n /\n function _lowerBinaryLookup(\n Checkpoint224[] storage self,\n uint32 key,\n uint256 low,\n uint256 high\n ) private view returns (uint256) {\n while (low < high) {\n uint256 mid = Math.average(low, high);\n if (_unsafeAccess(self, mid)._key < key) {\n low = mid + 1;\n } else {\n high = mid;\n }\n }\n return high;\n }\n\n /\n @dev Access an element of the array without performing bounds check. The position is assumed to be within bounds.\n /\n function _unsafeAccess(\n Checkpoint224[] storage self,\n uint256 pos\n ) private pure returns (Checkpoint224 storage result) {\n assembly {\n mstore(0, self.slot)\n result.slot := add(keccak256(0, 0x20), pos)\n }\n }\n\n struct Trace208 {\n Checkpoint208[] _checkpoints;\n }\n\n struct Checkpoint208 {\n uint48 _key;\n uint208 _value;\n }\n\n /\n @dev Pushes a (`key`, `value`) pair into a Trace208 so that it is stored as the checkpoint.\n \n Returns previous value and new value.\n \n IMPORTANT: Never accept `key` as a user input, since an arbitrary `type(uint48).max` key set will disable the\n * library.\n /\n function push(Trace208 storage self, uint48 key, uint208 value) internal returns (uint208, uint208) {\n return _insert(self._checkpoints, key, value);\n }\n\n /\n @dev Returns the value in the first (oldest) checkpoint with key greater or equal than the search key, or zero if\n * there is none.\n /\n function lowerLookup(Trace208 storage self, uint48 key) internal view returns (uint208) {\n uint256 len = self._checkpoints.length;\n uint256 pos = _lowerBinaryLookup(self._checkpoints, key, 0, len);\n return pos == len ? 0 : _unsafeAccess(self._checkpoints, pos)._value;\n }\n\n /\n @dev Returns the value in the last (most recent) checkpoint with key lower or equal than the search key, or zero\n * if there is none.\n /\n function upperLookup(Trace208 storage self, uint48 key) internal view returns (uint208) {\n uint256 len = self._checkpoints.length;\n uint256 pos = _upperBinaryLookup(self._checkpoints, key, 0, len);\n return pos == 0 ? 0 : _unsafeAccess(self._checkpoints, pos - 1)._value;\n }\n\n /\n @dev Returns the value in the last (most recent) checkpoint with key lower or equal than the search key, or zero\n * if there is none.\n \n NOTE: This is a variant of {upperLookup} that is optimised to find \"recent\" checkpoint (checkpoints with high\n * keys).\n /\n function upperLookupRecent(Trace208 storage self, uint48 key) internal view returns (uint208) {\n uint256 len = self._checkpoints.length;\n\n uint256 low = 0;\n uint256 high = len;\n\n if (len > 5) {\n uint256 mid = len - Math.sqrt(len);\n if (key < _unsafeAccess(self._checkpoints, mid)._key) {\n high = mid;\n } else {\n low = mid + 1;\n }\n }\n\n uint256 pos = _upperBinaryLookup(self._checkpoints, key, low, high);\n\n return pos == 0 ? 0 : _unsafeAccess(self._checkpoints, pos - 1)._value;\n }\n\n /\n @dev Returns the value in the most recent checkpoint, or zero if there are no checkpoints.\n /\n function latest(Trace208 storage self) internal view returns (uint208) {\n uint256 pos = self._checkpoints.length;\n return pos == 0 ? 0 : _unsafeAccess(self._checkpoints, pos - 1)._value;\n }\n\n /\n @dev Returns whether there is a checkpoint in the structure (i.e. it is not empty), and if so the key and value\n * in the most recent checkpoint.\n /\n function latestCheckpoint(Trace208 storage self) internal view returns (bool exists, uint48 _key, uint208 _value) {\n uint256 pos = self._checkpoints.length;\n if (pos == 0) {\n return (false, 0, 0);\n } else {\n Checkpoint208 memory ckpt = _unsafeAccess(self._checkpoints, pos - 1);\n return (true, ckpt._key, ckpt._value);\n }\n }\n\n /\n @dev Returns the number of checkpoint.\n /\n function length(Trace208 storage self) internal view returns (uint256) {\n return self._checkpoints.length;\n }\n\n /\n @dev Returns checkpoint at given position.\n /\n function at(Trace208 storage self, uint32 pos) internal view returns (Checkpoint208 memory) {\n return self._checkpoints[pos];\n }\n\n /\n @dev Pushes a (`key`, `value`) pair into an ordered list of checkpoints, either by inserting a new checkpoint,\n * or by updating the last one.\n /\n function _insert(Checkpoint208[] storage self, uint48 key, uint208 value) private returns (uint208, uint208) {\n uint256 pos = self.length;\n\n if (pos > 0) {\n // Copying to memory is important here.\n Checkpoint208 memory last = _unsafeAccess(self, pos - 1);\n\n // Checkpoint keys must be non-decreasing.\n if (last._key > key) {\n revert CheckpointUnorderedInsertion();\n }\n\n // Update or push new checkpoint\n if (last._key == key) {\n _unsafeAccess(self, pos - 1)._value = value;\n } else {\n self.push(Checkpoint208({_key: key, _value: value}));\n }\n return (last._value, value);\n } else {\n self.push(Checkpoint208({_key: key, _value: value}));\n return (0, value);\n }\n }\n\n /\n @dev Return the index of the last (most recent) checkpoint with key lower or equal than the search key, or `high`\n * if there is none. `low` and `high` define a section where to do the search, with inclusive `low` and exclusive\n * `high`.\n \n WARNING: `high` should not be greater than the array's length.\n /\n function _upperBinaryLookup(\n Checkpoint208[] storage self,\n uint48 key,\n uint256 low,\n uint256 high\n ) private view returns (uint256) {\n while (low < high) {\n uint256 mid = Math.average(low, high);\n if (_unsafeAccess(self, mid)._key > key) {\n high = mid;\n } else {\n low = mid + 1;\n }\n }\n return high;\n }\n\n /\n @dev Return the index of the first (oldest) checkpoint with key is greater or equal than the search key, or\n * `high` if there is none. `low` and `high` define a section where to do the search, with inclusive `low` and\n * exclusive `high`.\n \n WARNING: `high` should not be greater than the array's length.\n /\n function _lowerBinaryLookup(\n Checkpoint208[] storage self,\n uint48 key,\n uint256 low,\n uint256 high\n ) private view returns (uint256) {\n while (low < high) {\n uint256 mid = Math.average(low, high);\n if (_unsafeAccess(self, mid)._key < key) {\n low = mid + 1;\n } else {\n high = mid;\n }\n }\n return high;\n }\n\n /\n @dev Access an element of the array without performing bounds check. The position is assumed to be within bounds.\n /\n function _unsafeAccess(\n Checkpoint208[] storage self,\n uint256 pos\n ) private pure returns (Checkpoint208 storage result) {\n assembly {\n mstore(0, self.slot)\n result.slot := add(keccak256(0, 0x20), pos)\n }\n }\n\n struct Trace160 {\n Checkpoint160[] _checkpoints;\n }\n\n struct Checkpoint160 {\n uint96 _key;\n uint160 _value;\n }\n\n /\n @dev Pushes a (`key`, `value`) pair into a Trace160 so that it is stored as the checkpoint.\n \n Returns previous value and new value.\n \n IMPORTANT: Never accept `key` as a user input, since an arbitrary `type(uint96).max` key set will disable the\n * library.\n /\n function push(Trace160 storage self, uint96 key, uint160 value) internal returns (uint160, uint160) {\n return _insert(self._checkpoints, key, value);\n }\n\n /\n @dev Returns the value in the first (oldest) checkpoint with key greater or equal than the search key, or zero if\n * there is none.\n /\n function lowerLookup(Trace160 storage self, uint96 key) internal view returns (uint160) {\n uint256 len = self._checkpoints.length;\n uint256 pos = _lowerBinaryLookup(self._checkpoints, key, 0, len);\n return pos == len ? 0 : _unsafeAccess(self._checkpoints, pos)._value;\n }\n\n /\n @dev Returns the value in the last (most recent) checkpoint with key lower or equal than the search key, or zero\n * if there is none.\n /\n function upperLookup(Trace160 storage self, uint96 key) internal view returns (uint160) {\n uint256 len = self._checkpoints.length;\n uint256 pos = _upperBinaryLookup(self._checkpoints, key, 0, len);\n return pos == 0 ? 0 : _unsafeAccess(self._checkpoints, pos - 1)._value;\n }\n\n /\n @dev Returns the value in the last (most recent) checkpoint with key lower or equal than the search key, or zero\n * if there is none.\n \n NOTE: This is a variant of {upperLookup} that is optimised to find \"recent\" checkpoint (checkpoints with high\n * keys).\n /\n function upperLookupRecent(Trace160 storage self, uint96 key) internal view returns (uint160) {\n uint256 len = self._checkpoints.length;\n\n uint256 low = 0;\n uint256 high = len;\n\n if (len > 5) {\n uint256 mid = len - Math.sqrt(len);\n if (key < _unsafeAccess(self._checkpoints, mid)._key) {\n high = mid;\n } else {\n low = mid + 1;\n }\n }\n\n uint256 pos = _upperBinaryLookup(self._checkpoints, key, low, high);\n\n return pos == 0 ? 0 : _unsafeAccess(self._checkpoints, pos - 1)._value;\n }\n\n /\n @dev Returns the value in the most recent checkpoint, or zero if there are no checkpoints.\n /\n function latest(Trace160 storage self) internal view returns (uint160) {\n uint256 pos = self._checkpoints.length;\n return pos == 0 ? 0 : _unsafeAccess(self._checkpoints, pos - 1)._value;\n }\n\n /\n @dev Returns whether there is a checkpoint in the structure (i.e. it is not empty), and if so the key and value\n * in the most recent checkpoint.\n /\n function latestCheckpoint(Trace160 storage self) internal view returns (bool exists, uint96 _key, uint160 _value) {\n uint256 pos = self._checkpoints.length;\n if (pos == 0) {\n return (false, 0, 0);\n } else {\n Checkpoint160 memory ckpt = _unsafeAccess(self._checkpoints, pos - 1);\n return (true, ckpt._key, ckpt._value);\n }\n }\n\n /\n @dev Returns the number of checkpoint.\n /\n function length(Trace160 storage self) internal view returns (uint256) {\n return self._checkpoints.length;\n }\n\n /\n @dev Returns checkpoint at given position.\n /\n function at(Trace160 storage self, uint32 pos) internal view returns (Checkpoint160 memory) {\n return self._checkpoints[pos];\n }\n\n /\n @dev Pushes a (`key`, `value`) pair into an ordered list of checkpoints, either by inserting a new checkpoint,\n * or by updating the last one.\n /\n function _insert(Checkpoint160[] storage self, uint96 key, uint160 value) private returns (uint160, uint160) {\n uint256 pos = self.length;\n\n if (pos > 0) {\n // Copying to memory is important here.\n Checkpoint160 memory last = _unsafeAccess(self, pos - 1);\n\n // Checkpoint keys must be non-decreasing.\n if (last._key > key) {\n revert CheckpointUnorderedInsertion();\n }\n\n // Update or push new checkpoint\n if (last._key == key) {\n _unsafeAccess(self, pos - 1)._value = value;\n } else {\n self.push(Checkpoint160({_key: key, _value: value}));\n }\n return (last._value, value);\n } else {\n self.push(Checkpoint160({_key: key, _value: value}));\n return (0, value);\n }\n }\n\n /\n @dev Return the index of the last (most recent) checkpoint with key lower or equal than the search key, or `high`\n * if there is none. `low` and `high` define a section where to do the search, with inclusive `low` and exclusive\n * `high`.\n \n WARNING: `high` should not be greater than the array's length.\n /\n function _upperBinaryLookup(\n Checkpoint160[] storage self,\n uint96 key,\n uint256 low,\n uint256 high\n ) private view returns (uint256) {\n while (low < high) {\n uint256 mid = Math.average(low, high);\n if (_unsafeAccess(self, mid)._key > key) {\n high = mid;\n } else {\n low = mid + 1;\n }\n }\n return high;\n }\n\n /\n @dev Return the index of the first (oldest) checkpoint with key is greater or equal than the search key, or\n * `high` if there is none. `low` and `high` define a section where to do the search, with inclusive `low` and\n * exclusive `high`.\n \n WARNING: `high` should not be greater than the array's length.\n /\n function _lowerBinaryLookup(\n Checkpoint160[] storage self,\n uint96 key,\n uint256 low,\n uint256 high\n ) private view returns (uint256) {\n while (low < high) {\n uint256 mid = Math.average(low, high);\n if (_unsafeAccess(self, mid)._key < key) {\n low = mid + 1;\n } else {\n high = mid;\n }\n }\n return high;\n }\n\n /\n @dev Access an element of the array without performing bounds check. The position is assumed to be within bounds.\n /\n function _unsafeAccess(\n Checkpoint160[] storage self,\n uint256 pos\n ) private pure returns (Checkpoint160 storage result) {\n assembly {\n mstore(0, self.slot)\n result.slot := add(keccak256(0, 0x20), pos)\n }\n }\n}\n" }, "contracts/src/diamond/facets/governance/votes/enumerable/IVotesEnumerable.sol": { "content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.23;\n\n// interfaces\n\n// libraries\n\n// contracts\n\ninterface IVotesEnumerable {\n function getDelegators() external view returns (address[] memory);\n\n function getDelegatorsByDelegatee(\n address account\n ) external view returns (address[] memory);\n\n function getDelegationTimeForDelegator(\n address account\n ) external view returns (uint256);\n}\n" }, "lib/@openzeppelin/contracts/utils/structs/EnumerableSet.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.0.0) (utils/structs/EnumerableSet.sol)\n// This file was procedurally generated from scripts/generate/templates/EnumerableSet.js.\n\npragma solidity ^0.8.20;\n\n/\n @dev Library for managing\n * https://en.wikipedia.org/wiki/Set_(abstract_data_type)[sets] of primitive\n * types.\n \n Sets have the following properties:\n \n - Elements are added, removed, and checked for existence in constant time\n * (O(1)).\n * - Elements are enumerated in O(n). No guarantees are made on the ordering.\n \n ```solidity\n * contract Example {\n * // Add the library methods\n * using EnumerableSet for EnumerableSet.AddressSet;\n \n // Declare a set state variable\n * EnumerableSet.AddressSet private mySet;\n * }\n * ```\n \n As of v3.3.0, sets of type `bytes32` (`Bytes32Set`), `address` (`AddressSet`)\n * and `uint256` (`UintSet`) are supported.\n \n [WARNING]\n * ====\n * Trying to delete such a structure from storage will likely result in data corruption, rendering the structure\n * unusable.\n * See https://github.com/ethereum/solidity/pull/11843[ethereum/solidity#11843] for more info.\n \n In order to clean an EnumerableSet, you can either remove all elements one by one or create a fresh instance using an\n * array of EnumerableSet.\n * ====\n /\nlibrary EnumerableSet {\n // To implement this library for multiple types with as little code\n // repetition as possible, we write it in terms of a generic Set type with\n // bytes32 values.\n // The Set implementation uses private functions, and user-facing\n // implementations (such as AddressSet) are just wrappers around the\n // underlying Set.\n // This means that we can only create new EnumerableSets for types that fit\n // in bytes32.\n\n struct Set {\n // Storage of set values\n bytes32[] _values;\n // Position is the index of the value in the `values` array plus 1.\n // Position 0 is used to mean a value is not in the set.\n mapping(bytes32 value => uint256) _positions;\n }\n\n /\n @dev Add a value to a set. O(1).\n \n Returns true if the value was added to the set, that is if it was not\n * already present.\n /\n function _add(Set storage set, bytes32 value) private returns (bool) {\n if (!_contains(set, value)) {\n set._values.push(value);\n // The value is stored at length-1, but we add 1 to all indexes\n // and use 0 as a sentinel value\n set._positions[value] = set._values.length;\n return true;\n } else {\n return false;\n }\n }\n\n /\n @dev Removes a value from a set. O(1).\n \n Returns true if the value was removed from the set, that is if it was\n * present.\n /\n function _remove(Set storage set, bytes32 value) private returns (bool) {\n // We cache the value's position to prevent multiple reads from the same storage slot\n uint256 position = set._positions[value];\n\n if (position != 0) {\n // Equivalent to contains(set, value)\n // To delete an element from the _values array in O(1), we swap the element to delete with the last one in\n // the array, and then remove the last element (sometimes called as 'swap and pop').\n // This modifies the order of the array, as noted in {at}.\n\n uint256 valueIndex = position - 1;\n uint256 lastIndex = set._values.length - 1;\n\n if (valueIndex != lastIndex) {\n bytes32 lastValue = set._values[lastIndex];\n\n // Move the lastValue to the index where the value to delete is\n set._values[valueIndex] = lastValue;\n // Update the tracked position of the lastValue (that was just moved)\n set._positions[lastValue] = position;\n }\n\n // Delete the slot where the moved value was stored\n set._values.pop();\n\n // Delete the tracked position for the deleted slot\n delete set._positions[value];\n\n return true;\n } else {\n return false;\n }\n }\n\n /\n @dev Returns true if the value is in the set. O(1).\n /\n function _contains(Set storage set, bytes32 value) private view returns (bool) {\n return set._positions[value] != 0;\n }\n\n /\n @dev Returns the number of values on the set. O(1).\n /\n function _length(Set storage set) private view returns (uint256) {\n return set._values.length;\n }\n\n /\n @dev Returns the value stored at position `index` in the set. O(1).\n \n Note that there are no guarantees on the ordering of values inside the\n * array, and it may change when more values are added or removed.\n \n Requirements:\n \n - `index` must be strictly less than {length}.\n /\n function _at(Set storage set, uint256 index) private view returns (bytes32) {\n return set._values[index];\n }\n\n /\n @dev Return the entire set in an array\n \n WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed\n * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that\n * this function has an unbounded cost, and using it as part of a state-changing function may render the function\n * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block.\n /\n function _values(Set storage set) private view returns (bytes32[] memory) {\n return set._values;\n }\n\n // Bytes32Set\n\n struct Bytes32Set {\n Set _inner;\n }\n\n /\n @dev Add a value to a set. O(1).\n \n Returns true if the value was added to the set, that is if it was not\n * already present.\n /\n function add(Bytes32Set storage set, bytes32 value) internal returns (bool) {\n return _add(set._inner, value);\n }\n\n /\n @dev Removes a value from a set. O(1).\n \n Returns true if the value was removed from the set, that is if it was\n * present.\n /\n function remove(Bytes32Set storage set, bytes32 value) internal returns (bool) {\n return _remove(set._inner, value);\n }\n\n /\n @dev Returns true if the value is in the set. O(1).\n /\n function contains(Bytes32Set storage set, bytes32 value) internal view returns (bool) {\n return _contains(set._inner, value);\n }\n\n /\n @dev Returns the number of values in the set. O(1).\n /\n function length(Bytes32Set storage set) internal view returns (uint256) {\n return _length(set._inner);\n }\n\n /\n @dev Returns the value stored at position `index` in the set. O(1).\n \n Note that there are no guarantees on the ordering of values inside the\n * array, and it may change when more values are added or removed.\n \n Requirements:\n \n - `index` must be strictly less than {length}.\n /\n function at(Bytes32Set storage set, uint256 index) internal view returns (bytes32) {\n return _at(set._inner, index);\n }\n\n /\n @dev Return the entire set in an array\n \n WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed\n * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that\n * this function has an unbounded cost, and using it as part of a state-changing function may render the function\n * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block.\n /\n function values(Bytes32Set storage set) internal view returns (bytes32[] memory) {\n bytes32[] memory store = _values(set._inner);\n bytes32[] memory result;\n\n /// @solidity memory-safe-assembly\n assembly {\n result := store\n }\n\n return result;\n }\n\n // AddressSet\n\n struct AddressSet {\n Set _inner;\n }\n\n /\n @dev Add a value to a set. O(1).\n \n Returns true if the value was added to the set, that is if it was not\n * already present.\n /\n function add(AddressSet storage set, address value) internal returns (bool) {\n return _add(set._inner, bytes32(uint256(uint160(value))));\n }\n\n /\n @dev Removes a value from a set. O(1).\n \n Returns true if the value was removed from the set, that is if it was\n * present.\n /\n function remove(AddressSet storage set, address value) internal returns (bool) {\n return _remove(set._inner, bytes32(uint256(uint160(value))));\n }\n\n /\n @dev Returns true if the value is in the set. O(1).\n /\n function contains(AddressSet storage set, address value) internal view returns (bool) {\n return _contains(set._inner, bytes32(uint256(uint160(value))));\n }\n\n /\n @dev Returns the number of values in the set. O(1).\n /\n function length(AddressSet storage set) internal view returns (uint256) {\n return _length(set._inner);\n }\n\n /\n @dev Returns the value stored at position `index` in the set. O(1).\n \n Note that there are no guarantees on the ordering of values inside the\n * array, and it may change when more values are added or removed.\n \n Requirements:\n \n - `index` must be strictly less than {length}.\n /\n function at(AddressSet storage set, uint256 index) internal view returns (address) {\n return address(uint160(uint256(_at(set._inner, index))));\n }\n\n /\n @dev Return the entire set in an array\n \n WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed\n * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that\n * this function has an unbounded cost, and using it as part of a state-changing function may render the function\n * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block.\n /\n function values(AddressSet storage set) internal view returns (address[] memory) {\n bytes32[] memory store = _values(set._inner);\n address[] memory result;\n\n /// @solidity memory-safe-assembly\n assembly {\n result := store\n }\n\n return result;\n }\n\n // UintSet\n\n struct UintSet {\n Set _inner;\n }\n\n /\n @dev Add a value to a set. O(1).\n \n Returns true if the value was added to the set, that is if it was not\n * already present.\n /\n function add(UintSet storage set, uint256 value) internal returns (bool) {\n return _add(set._inner, bytes32(value));\n }\n\n /\n @dev Removes a value from a set. O(1).\n \n Returns true if the value was removed from the set, that is if it was\n * present.\n /\n function remove(UintSet storage set, uint256 value) internal returns (bool) {\n return _remove(set._inner, bytes32(value));\n }\n\n /\n @dev Returns true if the value is in the set. O(1).\n /\n function contains(UintSet storage set, uint256 value) internal view returns (bool) {\n return _contains(set._inner, bytes32(value));\n }\n\n /\n @dev Returns the number of values in the set. O(1).\n /\n function length(UintSet storage set) internal view returns (uint256) {\n return _length(set._inner);\n }\n\n /\n @dev Returns the value stored at position `index` in the set. O(1).\n \n Note that there are no guarantees on the ordering of values inside the\n * array, and it may change when more values are added or removed.\n \n Requirements:\n \n - `index` must be strictly less than {length}.\n /\n function at(UintSet storage set, uint256 index) internal view returns (uint256) {\n return uint256(_at(set._inner, index));\n }\n\n /\n @dev Return the entire set in an array\n \n WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed\n * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that\n * this function has an unbounded cost, and using it as part of a state-changing function may render the function\n * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block.\n /\n function values(UintSet storage set) internal view returns (uint256[] memory) {\n bytes32[] memory store = _values(set._inner);\n uint256[] memory result;\n\n /// @solidity memory-safe-assembly\n assembly {\n result := store\n }\n\n return result;\n }\n}\n" }, "contracts/src/diamond/facets/governance/votes/enumerable/VotesEnumerableStorage.sol": { "content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.23;\n\n// interfaces\n\n// libraries\nimport {EnumerableSet} from \"@openzeppelin/contracts/utils/structs/EnumerableSet.sol\";\n\n// contracts\n\nlibrary VotesEnumerableStorage {\n bytes32 internal constant STORAGE_SLOT =\n keccak256(\"diamond.facets.governance.votes.enumerable.storage\");\n\n struct Layout {\n EnumerableSet.AddressSet delegators;\n mapping(address => EnumerableSet.AddressSet) delegatorsByDelegatee;\n mapping(address => uint256) delegationTimeForDelegator;\n }\n\n function layout() internal pure returns (Layout storage l) {\n bytes32 position = STORAGE_SLOT;\n assembly {\n l.slot := position\n }\n }\n}\n" }, "lib/@openzeppelin/contracts/utils/introspection/IERC165.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.0.0) (utils/introspection/IERC165.sol)\n\npragma solidity ^0.8.20;\n\n/\n @dev Interface of the ERC165 standard, as defined in the\n * https://eips.ethereum.org/EIPS/eip-165[EIP].\n \n Implementers can declare support of contract interfaces, which can then be\n * queried by others ({ERC165Checker}).\n \n For an implementation, see {ERC165}.\n /\ninterface IERC165 {\n /\n @dev Returns true if this contract implements the interface defined by\n * `interfaceId`. See the corresponding\n * https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section]\n * to learn more about how these ids are created.\n \n This function call must use less than 30 000 gas.\n /\n function supportsInterface(bytes4 interfaceId) external view returns (bool);\n}\n" }, "contracts/src/diamond/facets/introspection/IntrospectionBase.sol": { "content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.23;\n\n// interfaces\nimport {IIntrospectionBase} from \"./IERC165.sol\";\nimport {IERC165} from \"@openzeppelin/contracts/utils/introspection/IERC165.sol\";\n\n// libraries\nimport {IntrospectionStorage} from \"./IntrospectionStorage.sol\";\n\nabstract contract IntrospectionBase is IIntrospectionBase {\n function __IntrospectionBase_init() internal {\n _addInterface(type(IERC165).interfaceId);\n }\n\n function _addInterface(bytes4 interfaceId) internal {\n if (!_supportsInterface(interfaceId)) {\n IntrospectionStorage.layout().supportedInterfaces[interfaceId] = true;\n } else {\n revert Introspection_AlreadySupported();\n }\n emit InterfaceAdded(interfaceId);\n }\n\n function _removeInterface(bytes4 interfaceId) internal {\n if (_supportsInterface(interfaceId)) {\n IntrospectionStorage.layout().supportedInterfaces[interfaceId] = false;\n } else {\n revert Introspection_NotSupported();\n }\n emit InterfaceRemoved(interfaceId);\n }\n\n function _supportsInterface(bytes4 interfaceId) internal view returns (bool) {\n return\n IntrospectionStorage.layout().supportedInterfaces[interfaceId] == true;\n }\n}\n" }, "contracts/src/diamond/facets/Facet.sol": { "content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.23;\n\n// interfaces\n\n// libraries\n\n// contracts\n\nimport {Initializable} from \"contracts/src/diamond/facets/initializable/Initializable.sol\";\nimport {IntrospectionBase} from \"contracts/src/diamond/facets/introspection/IntrospectionBase.sol\";\n\nabstract contract Facet is Initializable, IntrospectionBase {\n constructor() {\n _disableInitializers();\n }\n}\n" }, "contracts/src/tokens/lock/LockBase.sol": { "content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.23;\n\n// interfaces\nimport {ILockBase} from \"./ILock.sol\";\n\n// libraries\nimport {LockStorage} from \"./LockStorage.sol\";\n\nabstract contract LockBase is ILockBase {\n function __LockBase_init(uint256 cooldown) internal {\n _setDefaultCooldown(cooldown);\n }\n\n modifier onlyAllowed() {\n if (!_canLock()) revert LockNotAuthorized();\n _;\n }\n\n function _setDefaultCooldown(uint256 cooldown) internal {\n LockStorage.layout().defaultCooldown = cooldown;\n }\n\n function _enableLock(address caller) internal {\n LockStorage.Layout storage ds = LockStorage.layout();\n\n if (ds.enabledByAddress[caller]) {\n revert LockAlreadyEnabled();\n }\n\n ds.enabledByAddress[caller] = true;\n\n emit LockUpdated(caller, true, 0, block.timestamp);\n }\n\n function _disableLock(address caller) internal {\n LockStorage.Layout storage ds = LockStorage.layout();\n\n if (ds.enabledByAddress[caller] == false) {\n revert LockAlreadyDisabled();\n }\n\n ds.enabledByAddress[caller] = false;\n ds.cooldownByAddress[caller] = block.timestamp + ds.defaultCooldown;\n\n emit LockUpdated(\n caller,\n false,\n block.timestamp + ds.defaultCooldown,\n block.timestamp\n );\n }\n\n function _lockCooldown(address caller) internal view returns (uint256) {\n return LockStorage.layout().cooldownByAddress[caller];\n }\n\n function _lockEnabled(address caller) internal view returns (bool) {\n LockStorage.Layout storage ds = LockStorage.layout();\n\n return\n ds.enabledByAddress[caller] == true \|\|\n block.timestamp < ds.cooldownByAddress[caller];\n }\n\n function _canLock() internal view virtual returns (bool);\n}\n" }, "contracts/src/diamond/utils/cryptography/IERC5267.sol": { "content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.23;\n\ninterface IERC5267 {\n /\n @dev MAY be emitted to signal that the domain could have changed.\n /\n event EIP712DomainChanged();\n\n /\n @dev returns the fields and values that describe the domain separator used by this contract for EIP-712\n * signature.\n /\n function eip712Domain()\n external\n view\n returns (\n bytes1 fields,\n string memory name,\n string memory version,\n uint256 chainId,\n address verifyingContract,\n bytes32 salt,\n uint256[] memory extensions\n );\n}\n" }, "lib/@openzeppelin/contracts/utils/cryptography/MessageHashUtils.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.0.0) (utils/cryptography/MessageHashUtils.sol)\n\npragma solidity ^0.8.20;\n\nimport {Strings} from \"../Strings.sol\";\n\n/\n @dev Signature message hash utilities for producing digests to be consumed by {ECDSA} recovery or signing.\n \n The library provides methods for generating a hash of a message that conforms to the\n * https://eips.ethereum.org/EIPS/eip-191[EIP 191] and https://eips.ethereum.org/EIPS/eip-712[EIP 712]\n * specifications.\n /\nlibrary MessageHashUtils {\n /\n @dev Returns the keccak256 digest of an EIP-191 signed data with version\n * `0x45` (`personal_sign` messages).\n \n The digest is calculated by prefixing a bytes32 `messageHash` with\n * `\"\\x19Ethereum Signed Message:\\n32\"` and hashing the result. It corresponds with the\n * hash signed when using the https://eth.wiki/json-rpc/API#eth_sign[`eth_sign`] JSON-RPC method.\n \n NOTE: The `messageHash` parameter is intended to be the result of hashing a raw message with\n * keccak256, although any bytes32 value can be safely used because the final digest will\n * be re-hashed.\n \n See {ECDSA-recover}.\n /\n function toEthSignedMessageHash(bytes32 messageHash) internal pure returns (bytes32 digest) {\n /// @solidity memory-safe-assembly\n assembly {\n mstore(0x00, \"\\x19Ethereum Signed Message:\\n32\") // 32 is the bytes-length of messageHash\n mstore(0x1c, messageHash) // 0x1c (28) is the length of the prefix\n digest := keccak256(0x00, 0x3c) // 0x3c is the length of the prefix (0x1c) + messageHash (0x20)\n }\n }\n\n /\n @dev Returns the keccak256 digest of an EIP-191 signed data with version\n * `0x45` (`personal_sign` messages).\n \n The digest is calculated by prefixing an arbitrary `message` with\n * `\"\\x19Ethereum Signed Message:\\n\" + len(message)` and hashing the result. It corresponds with the\n * hash signed when using the https://eth.wiki/json-rpc/API#eth_sign[`eth_sign`] JSON-RPC method.\n \n See {ECDSA-recover}.\n /\n function toEthSignedMessageHash(bytes memory message) internal pure returns (bytes32) {\n return\n keccak256(bytes.concat(\"\\x19Ethereum Signed Message:\\n\", bytes(Strings.toString(message.length)), message));\n }\n\n /\n @dev Returns the keccak256 digest of an EIP-191 signed data with version\n * `0x00` (data with intended validator).\n \n The digest is calculated by prefixing an arbitrary `data` with `\"\\x19\\x00\"` and the intended\n * `validator` address. Then hashing the result.\n \n See {ECDSA-recover}.\n /\n function toDataWithIntendedValidatorHash(address validator, bytes memory data) internal pure returns (bytes32) {\n return keccak256(abi.encodePacked(hex\"19_00\", validator, data));\n }\n\n /\n @dev Returns the keccak256 digest of an EIP-712 typed data (EIP-191 version `0x01`).\n \n The digest is calculated from a `domainSeparator` and a `structHash`, by prefixing them with\n * `\\x19\\x01` and hashing the result. It corresponds to the hash signed by the\n * https://eips.ethereum.org/EIPS/eip-712[`eth_signTypedData`] JSON-RPC method as part of EIP-712.\n \n See {ECDSA-recover}.\n /\n function toTypedDataHash(bytes32 domainSeparator, bytes32 structHash) internal pure returns (bytes32 digest) {\n /// @solidity memory-safe-assembly\n assembly {\n let ptr := mload(0x40)\n mstore(ptr, hex\"19_01\")\n mstore(add(ptr, 0x02), domainSeparator)\n mstore(add(ptr, 0x22), structHash)\n digest := keccak256(ptr, 0x42)\n }\n }\n}\n" }, "contracts/src/diamond/facets/initializable/Initializable.sol": { "content": "// SPDX-License-Identifier: MIT\npragma solidity >=0.8.23;\n\nimport {InitializableStorage} from \"./InitializableStorage.sol\";\nimport {Address} from \"@openzeppelin/contracts/utils/Address.sol\";\n\nerror Initializable_AlreadyInitialized(uint32 version);\nerror Initializable_NotInInitializingState();\nerror Initializable_InInitializingState();\n\nabstract contract Initializable {\n event Initialized(uint32 version);\n\n modifier initializer() {\n InitializableStorage.Layout storage s = InitializableStorage.layout();\n\n bool isTopLevelCall = !s.initializing;\n if (isTopLevelCall ? s.version >= 1 : _isNotConstructor()) {\n revert Initializable_AlreadyInitialized(s.version);\n }\n s.version = 1;\n if (isTopLevelCall) {\n s.initializing = true;\n }\n _;\n if (isTopLevelCall) {\n s.initializing = false;\n emit Initialized(1);\n }\n }\n\n modifier reinitializer(uint32 version) {\n InitializableStorage.Layout storage s = InitializableStorage.layout();\n\n if (s.initializing \|\| s.version >= version) {\n revert Initializable_AlreadyInitialized(s.version);\n }\n s.version = version;\n s.initializing = true;\n _;\n s.initializing = false;\n emit Initialized(version);\n }\n\n modifier onlyInitializing() {\n if (!InitializableStorage.layout().initializing)\n revert Initializable_NotInInitializingState();\n _;\n }\n\n function _getInitializedVersion()\n internal\n view\n virtual\n returns (uint32 version)\n {\n version = InitializableStorage.layout().version;\n }\n\n function _nextVersion() internal view returns (uint32) {\n return InitializableStorage.layout().version + 1;\n }\n\n function _disableInitializers() internal {\n InitializableStorage.Layout storage s = InitializableStorage.layout();\n if (s.initializing) revert Initializable_InInitializingState();\n\n if (s.version < type(uint32).max) {\n s.version = type(uint32).max;\n emit Initialized(type(uint32).max);\n }\n }\n\n function _isNotConstructor() private view returns (bool) {\n return address(this).code.length != 0;\n }\n}\n" }, "lib/@openzeppelin/contracts/utils/ShortStrings.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.0.0) (utils/ShortStrings.sol)\n\npragma solidity ^0.8.20;\n\nimport {StorageSlot} from \"./StorageSlot.sol\";\n\n// \| string \| 0xAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA \|\n// \| length \| 0x BB \|\ntype ShortString is bytes32;\n\n/\n @dev This library provides functions to convert short memory strings\n * into a `ShortString` type that can be used as an immutable variable.\n \n Strings of arbitrary length can be optimized using this library if\n * they are short enough (up to 31 bytes) by packing them with their\n * length (1 byte) in a single EVM word (32 bytes). Additionally, a\n * fallback mechanism can be used for every other case.\n \n Usage example:\n \n ```solidity\n * contract Named {\n * using ShortStrings for ;\n \n * ShortString private immutable _name;\n * string private _nameFallback;\n \n constructor(string memory contractName) {\n * _name = contractName.toShortStringWithFallback(_nameFallback);\n * }\n \n function name() external view returns (string memory) {\n * return _name.toStringWithFallback(_nameFallback);\n * }\n * }\n * ```\n /\nlibrary ShortStrings {\n // Used as an identifier for strings longer than 31 bytes.\n bytes32 private constant FALLBACK_SENTINEL = 0x00000000000000000000000000000000000000000000000000000000000000FF;\n\n error StringTooLong(string str);\n error InvalidShortString();\n\n /\n @dev Encode a string of at most 31 chars into a `ShortString`.\n \n This will trigger a `StringTooLong` error is the input string is too long.\n /\n function toShortString(string memory str) internal pure returns (ShortString) {\n bytes memory bstr = bytes(str);\n if (bstr.length > 31) {\n revert StringTooLong(str);\n }\n return ShortString.wrap(bytes32(uint256(bytes32(bstr)) \| bstr.length));\n }\n\n /\n @dev Decode a `ShortString` back to a \"normal\" string.\n /\n function toString(ShortString sstr) internal pure returns (string memory) {\n uint256 len = byteLength(sstr);\n // using `new string(len)` would work locally but is not memory safe.\n string memory str = new string(32);\n /// @solidity memory-safe-assembly\n assembly {\n mstore(str, len)\n mstore(add(str, 0x20), sstr)\n }\n return str;\n }\n\n /\n @dev Return the length of a `ShortString`.\n /\n function byteLength(ShortString sstr) internal pure returns (uint256) {\n uint256 result = uint256(ShortString.unwrap(sstr)) & 0xFF;\n if (result > 31) {\n revert InvalidShortString();\n }\n return result;\n }\n\n /\n @dev Encode a string into a `ShortString`, or write it to storage if it is too long.\n /\n function toShortStringWithFallback(string memory value, string storage store) internal returns (ShortString) {\n if (bytes(value).length < 32) {\n return toShortString(value);\n } else {\n StorageSlot.getStringSlot(store).value = value;\n return ShortString.wrap(FALLBACK_SENTINEL);\n }\n }\n\n /\n @dev Decode a string that was encoded to `ShortString` or written to storage using {setWithFallback}.\n /\n function toStringWithFallback(ShortString value, string storage store) internal pure returns (string memory) {\n if (ShortString.unwrap(value) != FALLBACK_SENTINEL) {\n return toString(value);\n } else {\n return store;\n }\n }\n\n /\n @dev Return the length of a string that was encoded to `ShortString` or written to storage using\n * {setWithFallback}.\n \n WARNING: This will return the \"byte length\" of the string. This may not reflect the actual length in terms of\n * actual characters as the UTF-8 encoding of a single character can span over multiple bytes.\n /\n function byteLengthWithFallback(ShortString value, string storage store) internal view returns (uint256) {\n if (ShortString.unwrap(value) != FALLBACK_SENTINEL) {\n return byteLength(value);\n } else {\n return bytes(store).length;\n }\n }\n}\n" }, "lib/@openzeppelin/contracts/interfaces/IERC5267.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.0.0) (interfaces/IERC5267.sol)\n\npragma solidity ^0.8.20;\n\ninterface IERC5267 {\n /\n @dev MAY be emitted to signal that the domain could have changed.\n /\n event EIP712DomainChanged();\n\n /\n @dev returns the fields and values that describe the domain separator used by this contract for EIP-712\n * signature.\n /\n function eip712Domain()\n external\n view\n returns (\n bytes1 fields,\n string memory name,\n string memory version,\n uint256 chainId,\n address verifyingContract,\n bytes32 salt,\n uint256[] memory extensions\n );\n}\n" }, "lib/@openzeppelin/contracts/utils/math/SafeCast.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.0.0) (utils/math/SafeCast.sol)\n// This file was procedurally generated from scripts/generate/templates/SafeCast.js.\n\npragma solidity ^0.8.20;\n\n/\n @dev Wrappers over Solidity's uintXX/intXX casting operators with added overflow\n * checks.\n \n Downcasting from uint256/int256 in Solidity does not revert on overflow. This can\n * easily result in undesired exploitation or bugs, since developers usually\n * assume that overflows raise errors. `SafeCast` restores this intuition by\n * reverting the transaction when such an operation overflows.\n \n Using this library instead of the unchecked operations eliminates an entire\n * class of bugs, so it's recommended to use it always.\n /\nlibrary SafeCast {\n /\n @dev Value doesn't fit in an uint of `bits` size.\n /\n error SafeCastOverflowedUintDowncast(uint8 bits, uint256 value);\n\n /\n @dev An int value doesn't fit in an uint of `bits` size.\n /\n error SafeCastOverflowedIntToUint(int256 value);\n\n /\n @dev Value doesn't fit in an int of `bits` size.\n /\n error SafeCastOverflowedIntDowncast(uint8 bits, int256 value);\n\n /\n @dev An uint value doesn't fit in an int of `bits` size.\n /\n error SafeCastOverflowedUintToInt(uint256 value);\n\n /\n @dev Returns the downcasted uint248 from uint256, reverting on\n * overflow (when the input is greater than largest uint248).\n \n Counterpart to Solidity's `uint248` operator.\n \n Requirements:\n \n - input must fit into 248 bits\n /\n function toUint248(uint256 value) internal pure returns (uint248) {\n if (value > type(uint248).max) {\n revert SafeCastOverflowedUintDowncast(248, value);\n }\n return uint248(value);\n }\n\n /\n @dev Returns the downcasted uint240 from uint256, reverting on\n * overflow (when the input is greater than largest uint240).\n \n Counterpart to Solidity's `uint240` operator.\n \n Requirements:\n \n - input must fit into 240 bits\n /\n function toUint240(uint256 value) internal pure returns (uint240) {\n if (value > type(uint240).max) {\n revert SafeCastOverflowedUintDowncast(240, value);\n }\n return uint240(value);\n }\n\n /\n @dev Returns the downcasted uint232 from uint256, reverting on\n * overflow (when the input is greater than largest uint232).\n \n Counterpart to Solidity's `uint232` operator.\n \n Requirements:\n \n - input must fit into 232 bits\n /\n function toUint232(uint256 value) internal pure returns (uint232) {\n if (value > type(uint232).max) {\n revert SafeCastOverflowedUintDowncast(232, value);\n }\n return uint232(value);\n }\n\n /\n @dev Returns the downcasted uint224 from uint256, reverting on\n * overflow (when the input is greater than largest uint224).\n \n Counterpart to Solidity's `uint224` operator.\n \n Requirements:\n \n - input must fit into 224 bits\n /\n function toUint224(uint256 value) internal pure returns (uint224) {\n if (value > type(uint224).max) {\n revert SafeCastOverflowedUintDowncast(224, value);\n }\n return uint224(value);\n }\n\n /\n @dev Returns the downcasted uint216 from uint256, reverting on\n * overflow (when the input is greater than largest uint216).\n \n Counterpart to Solidity's `uint216` operator.\n \n Requirements:\n \n - input must fit into 216 bits\n /\n function toUint216(uint256 value) internal pure returns (uint216) {\n if (value > type(uint216).max) {\n revert SafeCastOverflowedUintDowncast(216, value);\n }\n return uint216(value);\n }\n\n /\n @dev Returns the downcasted uint208 from uint256, reverting on\n * overflow (when the input is greater than largest uint208).\n \n Counterpart to Solidity's `uint208` operator.\n \n Requirements:\n \n - input must fit into 208 bits\n /\n function toUint208(uint256 value) internal pure returns (uint208) {\n if (value > type(uint208).max) {\n revert SafeCastOverflowedUintDowncast(208, value);\n }\n return uint208(value);\n }\n\n /\n @dev Returns the downcasted uint200 from uint256, reverting on\n * overflow (when the input is greater than largest uint200).\n \n Counterpart to Solidity's `uint200` operator.\n \n Requirements:\n \n - input must fit into 200 bits\n /\n function toUint200(uint256 value) internal pure returns (uint200) {\n if (value > type(uint200).max) {\n revert SafeCastOverflowedUintDowncast(200, value);\n }\n return uint200(value);\n }\n\n /\n @dev Returns the downcasted uint192 from uint256, reverting on\n * overflow (when the input is greater than largest uint192).\n \n Counterpart to Solidity's `uint192` operator.\n \n Requirements:\n \n - input must fit into 192 bits\n /\n function toUint192(uint256 value) internal pure returns (uint192) {\n if (value > type(uint192).max) {\n revert SafeCastOverflowedUintDowncast(192, value);\n }\n return uint192(value);\n }\n\n /\n @dev Returns the downcasted uint184 from uint256, reverting on\n * overflow (when the input is greater than largest uint184).\n \n Counterpart to Solidity's `uint184` operator.\n \n Requirements:\n \n - input must fit into 184 bits\n /\n function toUint184(uint256 value) internal pure returns (uint184) {\n if (value > type(uint184).max) {\n revert SafeCastOverflowedUintDowncast(184, value);\n }\n return uint184(value);\n }\n\n /\n @dev Returns the downcasted uint176 from uint256, reverting on\n * overflow (when the input is greater than largest uint176).\n \n Counterpart to Solidity's `uint176` operator.\n \n Requirements:\n \n - input must fit into 176 bits\n /\n function toUint176(uint256 value) internal pure returns (uint176) {\n if (value > type(uint176).max) {\n revert SafeCastOverflowedUintDowncast(176, value);\n }\n return uint176(value);\n }\n\n /\n @dev Returns the downcasted uint168 from uint256, reverting on\n * overflow (when the input is greater than largest uint168).\n \n Counterpart to Solidity's `uint168` operator.\n \n Requirements:\n \n - input must fit into 168 bits\n /\n function toUint168(uint256 value) internal pure returns (uint168) {\n if (value > type(uint168).max) {\n revert SafeCastOverflowedUintDowncast(168, value);\n }\n return uint168(value);\n }\n\n /\n @dev Returns the downcasted uint160 from uint256, reverting on\n * overflow (when the input is greater than largest uint160).\n \n Counterpart to Solidity's `uint160` operator.\n \n Requirements:\n \n - input must fit into 160 bits\n /\n function toUint160(uint256 value) internal pure returns (uint160) {\n if (value > type(uint160).max) {\n revert SafeCastOverflowedUintDowncast(160, value);\n }\n return uint160(value);\n }\n\n /\n @dev Returns the downcasted uint152 from uint256, reverting on\n * overflow (when the input is greater than largest uint152).\n \n Counterpart to Solidity's `uint152` operator.\n \n Requirements:\n \n - input must fit into 152 bits\n /\n function toUint152(uint256 value) internal pure returns (uint152) {\n if (value > type(uint152).max) {\n revert SafeCastOverflowedUintDowncast(152, value);\n }\n return uint152(value);\n }\n\n /\n @dev Returns the downcasted uint144 from uint256, reverting on\n * overflow (when the input is greater than largest uint144).\n \n Counterpart to Solidity's `uint144` operator.\n \n Requirements:\n \n - input must fit into 144 bits\n /\n function toUint144(uint256 value) internal pure returns (uint144) {\n if (value > type(uint144).max) {\n revert SafeCastOverflowedUintDowncast(144, value);\n }\n return uint144(value);\n }\n\n /\n @dev Returns the downcasted uint136 from uint256, reverting on\n * overflow (when the input is greater than largest uint136).\n \n Counterpart to Solidity's `uint136` operator.\n \n Requirements:\n \n - input must fit into 136 bits\n /\n function toUint136(uint256 value) internal pure returns (uint136) {\n if (value > type(uint136).max) {\n revert SafeCastOverflowedUintDowncast(136, value);\n }\n return uint136(value);\n }\n\n /\n @dev Returns the downcasted uint128 from uint256, reverting on\n * overflow (when the input is greater than largest uint128).\n \n Counterpart to Solidity's `uint128` operator.\n \n Requirements:\n \n - input must fit into 128 bits\n /\n function toUint128(uint256 value) internal pure returns (uint128) {\n if (value > type(uint128).max) {\n revert SafeCastOverflowedUintDowncast(128, value);\n }\n return uint128(value);\n }\n\n /\n @dev Returns the downcasted uint120 from uint256, reverting on\n * overflow (when the input is greater than largest uint120).\n \n Counterpart to Solidity's `uint120` operator.\n \n Requirements:\n \n - input must fit into 120 bits\n /\n function toUint120(uint256 value) internal pure returns (uint120) {\n if (value > type(uint120).max) {\n revert SafeCastOverflowedUintDowncast(120, value);\n }\n return uint120(value);\n }\n\n /\n @dev Returns the downcasted uint112 from uint256, reverting on\n * overflow (when the input is greater than largest uint112).\n \n Counterpart to Solidity's `uint112` operator.\n \n Requirements:\n \n - input must fit into 112 bits\n /\n function toUint112(uint256 value) internal pure returns (uint112) {\n if (value > type(uint112).max) {\n revert SafeCastOverflowedUintDowncast(112, value);\n }\n return uint112(value);\n }\n\n /\n @dev Returns the downcasted uint104 from uint256, reverting on\n * overflow (when the input is greater than largest uint104).\n \n Counterpart to Solidity's `uint104` operator.\n \n Requirements:\n \n - input must fit into 104 bits\n /\n function toUint104(uint256 value) internal pure returns (uint104) {\n if (value > type(uint104).max) {\n revert SafeCastOverflowedUintDowncast(104, value);\n }\n return uint104(value);\n }\n\n /\n @dev Returns the downcasted uint96 from uint256, reverting on\n * overflow (when the input is greater than largest uint96).\n \n Counterpart to Solidity's `uint96` operator.\n \n Requirements:\n \n - input must fit into 96 bits\n /\n function toUint96(uint256 value) internal pure returns (uint96) {\n if (value > type(uint96).max) {\n revert SafeCastOverflowedUintDowncast(96, value);\n }\n return uint96(value);\n }\n\n /\n @dev Returns the downcasted uint88 from uint256, reverting on\n * overflow (when the input is greater than largest uint88).\n \n Counterpart to Solidity's `uint88` operator.\n \n Requirements:\n \n - input must fit into 88 bits\n /\n function toUint88(uint256 value) internal pure returns (uint88) {\n if (value > type(uint88).max) {\n revert SafeCastOverflowedUintDowncast(88, value);\n }\n return uint88(value);\n }\n\n /\n @dev Returns the downcasted uint80 from uint256, reverting on\n * overflow (when the input is greater than largest uint80).\n \n Counterpart to Solidity's `uint80` operator.\n \n Requirements:\n \n - input must fit into 80 bits\n /\n function toUint80(uint256 value) internal pure returns (uint80) {\n if (value > type(uint80).max) {\n revert SafeCastOverflowedUintDowncast(80, value);\n }\n return uint80(value);\n }\n\n /\n @dev Returns the downcasted uint72 from uint256, reverting on\n * overflow (when the input is greater than largest uint72).\n \n Counterpart to Solidity's `uint72` operator.\n \n Requirements:\n \n - input must fit into 72 bits\n /\n function toUint72(uint256 value) internal pure returns (uint72) {\n if (value > type(uint72).max) {\n revert SafeCastOverflowedUintDowncast(72, value);\n }\n return uint72(value);\n }\n\n /\n @dev Returns the downcasted uint64 from uint256, reverting on\n * overflow (when the input is greater than largest uint64).\n \n Counterpart to Solidity's `uint64` operator.\n \n Requirements:\n \n - input must fit into 64 bits\n /\n function toUint64(uint256 value) internal pure returns (uint64) {\n if (value > type(uint64).max) {\n revert SafeCastOverflowedUintDowncast(64, value);\n }\n return uint64(value);\n }\n\n /\n @dev Returns the downcasted uint56 from uint256, reverting on\n * overflow (when the input is greater than largest uint56).\n \n Counterpart to Solidity's `uint56` operator.\n \n Requirements:\n \n - input must fit into 56 bits\n /\n function toUint56(uint256 value) internal pure returns (uint56) {\n if (value > type(uint56).max) {\n revert SafeCastOverflowedUintDowncast(56, value);\n }\n return uint56(value);\n }\n\n /\n @dev Returns the downcasted uint48 from uint256, reverting on\n * overflow (when the input is greater than largest uint48).\n \n Counterpart to Solidity's `uint48` operator.\n \n Requirements:\n \n - input must fit into 48 bits\n /\n function toUint48(uint256 value) internal pure returns (uint48) {\n if (value > type(uint48).max) {\n revert SafeCastOverflowedUintDowncast(48, value);\n }\n return uint48(value);\n }\n\n /\n @dev Returns the downcasted uint40 from uint256, reverting on\n * overflow (when the input is greater than largest uint40).\n \n Counterpart to Solidity's `uint40` operator.\n \n Requirements:\n \n - input must fit into 40 bits\n /\n function toUint40(uint256 value) internal pure returns (uint40) {\n if (value > type(uint40).max) {\n revert SafeCastOverflowedUintDowncast(40, value);\n }\n return uint40(value);\n }\n\n /\n @dev Returns the downcasted uint32 from uint256, reverting on\n * overflow (when the input is greater than largest uint32).\n \n Counterpart to Solidity's `uint32` operator.\n \n Requirements:\n \n - input must fit into 32 bits\n /\n function toUint32(uint256 value) internal pure returns (uint32) {\n if (value > type(uint32).max) {\n revert SafeCastOverflowedUintDowncast(32, value);\n }\n return uint32(value);\n }\n\n /\n @dev Returns the downcasted uint24 from uint256, reverting on\n * overflow (when the input is greater than largest uint24).\n \n Counterpart to Solidity's `uint24` operator.\n \n Requirements:\n \n - input must fit into 24 bits\n /\n function toUint24(uint256 value) internal pure returns (uint24) {\n if (value > type(uint24).max) {\n revert SafeCastOverflowedUintDowncast(24, value);\n }\n return uint24(value);\n }\n\n /\n @dev Returns the downcasted uint16 from uint256, reverting on\n * overflow (when the input is greater than largest uint16).\n \n Counterpart to Solidity's `uint16` operator.\n \n Requirements:\n \n - input must fit into 16 bits\n /\n function toUint16(uint256 value) internal pure returns (uint16) {\n if (value > type(uint16).max) {\n revert SafeCastOverflowedUintDowncast(16, value);\n }\n return uint16(value);\n }\n\n /\n @dev Returns the downcasted uint8 from uint256, reverting on\n * overflow (when the input is greater than largest uint8).\n \n Counterpart to Solidity's `uint8` operator.\n \n Requirements:\n \n - input must fit into 8 bits\n /\n function toUint8(uint256 value) internal pure returns (uint8) {\n if (value > type(uint8).max) {\n revert SafeCastOverflowedUintDowncast(8, value);\n }\n return uint8(value);\n }\n\n /\n @dev Converts a signed int256 into an unsigned uint256.\n \n Requirements:\n \n - input must be greater than or equal to 0.\n /\n function toUint256(int256 value) internal pure returns (uint256) {\n if (value < 0) {\n revert SafeCastOverflowedIntToUint(value);\n }\n return uint256(value);\n }\n\n /\n @dev Returns the downcasted int248 from int256, reverting on\n * overflow (when the input is less than smallest int248 or\n * greater than largest int248).\n \n Counterpart to Solidity's `int248` operator.\n \n Requirements:\n \n - input must fit into 248 bits\n /\n function toInt248(int256 value) internal pure returns (int248 downcasted) {\n downcasted = int248(value);\n if (downcasted != value) {\n revert SafeCastOverflowedIntDowncast(248, value);\n }\n }\n\n /\n @dev Returns the downcasted int240 from int256, reverting on\n * overflow (when the input is less than smallest int240 or\n * greater than largest int240).\n \n Counterpart to Solidity's `int240` operator.\n \n Requirements:\n \n - input must fit into 240 bits\n /\n function toInt240(int256 value) internal pure returns (int240 downcasted) {\n downcasted = int240(value);\n if (downcasted != value) {\n revert SafeCastOverflowedIntDowncast(240, value);\n }\n }\n\n /\n @dev Returns the downcasted int232 from int256, reverting on\n * overflow (when the input is less than smallest int232 or\n * greater than largest int232).\n \n Counterpart to Solidity's `int232` operator.\n \n Requirements:\n \n - input must fit into 232 bits\n /\n function toInt232(int256 value) internal pure returns (int232 downcasted) {\n downcasted = int232(value);\n if (downcasted != value) {\n revert SafeCastOverflowedIntDowncast(232, value);\n }\n }\n\n /\n @dev Returns the downcasted int224 from int256, reverting on\n * overflow (when the input is less than smallest int224 or\n * greater than largest int224).\n \n Counterpart to Solidity's `int224` operator.\n \n Requirements:\n \n - input must fit into 224 bits\n /\n function toInt224(int256 value) internal pure returns (int224 downcasted) {\n downcasted = int224(value);\n if (downcasted != value) {\n revert SafeCastOverflowedIntDowncast(224, value);\n }\n }\n\n /\n @dev Returns the downcasted int216 from int256, reverting on\n * overflow (when the input is less than smallest int216 or\n * greater than largest int216).\n \n Counterpart to Solidity's `int216` operator.\n \n Requirements:\n \n - input must fit into 216 bits\n /\n function toInt216(int256 value) internal pure returns (int216 downcasted) {\n downcasted = int216(value);\n if (downcasted != value) {\n revert SafeCastOverflowedIntDowncast(216, value);\n }\n }\n\n /\n @dev Returns the downcasted int208 from int256, reverting on\n * overflow (when the input is less than smallest int208 or\n * greater than largest int208).\n \n Counterpart to Solidity's `int208` operator.\n \n Requirements:\n \n - input must fit into 208 bits\n /\n function toInt208(int256 value) internal pure returns (int208 downcasted) {\n downcasted = int208(value);\n if (downcasted != value) {\n revert SafeCastOverflowedIntDowncast(208, value);\n }\n }\n\n /\n @dev Returns the downcasted int200 from int256, reverting on\n * overflow (when the input is less than smallest int200 or\n * greater than largest int200).\n \n Counterpart to Solidity's `int200` operator.\n \n Requirements:\n \n - input must fit into 200 bits\n /\n function toInt200(int256 value) internal pure returns (int200 downcasted) {\n downcasted = int200(value);\n if (downcasted != value) {\n revert SafeCastOverflowedIntDowncast(200, value);\n }\n }\n\n /\n @dev Returns the downcasted int192 from int256, reverting on\n * overflow (when the input is less than smallest int192 or\n * greater than largest int192).\n \n Counterpart to Solidity's `int192` operator.\n \n Requirements:\n \n - input must fit into 192 bits\n /\n function toInt192(int256 value) internal pure returns (int192 downcasted) {\n downcasted = int192(value);\n if (downcasted != value) {\n revert SafeCastOverflowedIntDowncast(192, value);\n }\n }\n\n /\n @dev Returns the downcasted int184 from int256, reverting on\n * overflow (when the input is less than smallest int184 or\n * greater than largest int184).\n \n Counterpart to Solidity's `int184` operator.\n \n Requirements:\n \n - input must fit into 184 bits\n /\n function toInt184(int256 value) internal pure returns (int184 downcasted) {\n downcasted = int184(value);\n if (downcasted != value) {\n revert SafeCastOverflowedIntDowncast(184, value);\n }\n }\n\n /\n @dev Returns the downcasted int176 from int256, reverting on\n * overflow (when the input is less than smallest int176 or\n * greater than largest int176).\n \n Counterpart to Solidity's `int176` operator.\n \n Requirements:\n \n - input must fit into 176 bits\n /\n function toInt176(int256 value) internal pure returns (int176 downcasted) {\n downcasted = int176(value);\n if (downcasted != value) {\n revert SafeCastOverflowedIntDowncast(176, value);\n }\n }\n\n /\n @dev Returns the downcasted int168 from int256, reverting on\n * overflow (when the input is less than smallest int168 or\n * greater than largest int168).\n \n Counterpart to Solidity's `int168` operator.\n \n Requirements:\n \n - input must fit into 168 bits\n /\n function toInt168(int256 value) internal pure returns (int168 downcasted) {\n downcasted = int168(value);\n if (downcasted != value) {\n revert SafeCastOverflowedIntDowncast(168, value);\n }\n }\n\n /\n @dev Returns the downcasted int160 from int256, reverting on\n * overflow (when the input is less than smallest int160 or\n * greater than largest int160).\n \n Counterpart to Solidity's `int160` operator.\n \n Requirements:\n \n - input must fit into 160 bits\n /\n function toInt160(int256 value) internal pure returns (int160 downcasted) {\n downcasted = int160(value);\n if (downcasted != value) {\n revert SafeCastOverflowedIntDowncast(160, value);\n }\n }\n\n /\n @dev Returns the downcasted int152 from int256, reverting on\n * overflow (when the input is less than smallest int152 or\n * greater than largest int152).\n \n Counterpart to Solidity's `int152` operator.\n \n Requirements:\n \n - input must fit into 152 bits\n /\n function toInt152(int256 value) internal pure returns (int152 downcasted) {\n downcasted = int152(value);\n if (downcasted != value) {\n revert SafeCastOverflowedIntDowncast(152, value);\n }\n }\n\n /\n @dev Returns the downcasted int144 from int256, reverting on\n * overflow (when the input is less than smallest int144 or\n * greater than largest int144).\n \n Counterpart to Solidity's `int144` operator.\n \n Requirements:\n \n - input must fit into 144 bits\n /\n function toInt144(int256 value) internal pure returns (int144 downcasted) {\n downcasted = int144(value);\n if (downcasted != value) {\n revert SafeCastOverflowedIntDowncast(144, value);\n }\n }\n\n /\n @dev Returns the downcasted int136 from int256, reverting on\n * overflow (when the input is less than smallest int136 or\n * greater than largest int136).\n \n Counterpart to Solidity's `int136` operator.\n \n Requirements:\n \n - input must fit into 136 bits\n /\n function toInt136(int256 value) internal pure returns (int136 downcasted) {\n downcasted = int136(value);\n if (downcasted != value) {\n revert SafeCastOverflowedIntDowncast(136, value);\n }\n }\n\n /\n @dev Returns the downcasted int128 from int256, reverting on\n * overflow (when the input is less than smallest int128 or\n * greater than largest int128).\n \n Counterpart to Solidity's `int128` operator.\n \n Requirements:\n \n - input must fit into 128 bits\n /\n function toInt128(int256 value) internal pure returns (int128 downcasted) {\n downcasted = int128(value);\n if (downcasted != value) {\n revert SafeCastOverflowedIntDowncast(128, value);\n }\n }\n\n /\n @dev Returns the downcasted int120 from int256, reverting on\n * overflow (when the input is less than smallest int120 or\n * greater than largest int120).\n \n Counterpart to Solidity's `int120` operator.\n \n Requirements:\n \n - input must fit into 120 bits\n /\n function toInt120(int256 value) internal pure returns (int120 downcasted) {\n downcasted = int120(value);\n if (downcasted != value) {\n revert SafeCastOverflowedIntDowncast(120, value);\n }\n }\n\n /\n @dev Returns the downcasted int112 from int256, reverting on\n * overflow (when the input is less than smallest int112 or\n * greater than largest int112).\n \n Counterpart to Solidity's `int112` operator.\n \n Requirements:\n \n - input must fit into 112 bits\n /\n function toInt112(int256 value) internal pure returns (int112 downcasted) {\n downcasted = int112(value);\n if (downcasted != value) {\n revert SafeCastOverflowedIntDowncast(112, value);\n }\n }\n\n /\n @dev Returns the downcasted int104 from int256, reverting on\n * overflow (when the input is less than smallest int104 or\n * greater than largest int104).\n \n Counterpart to Solidity's `int104` operator.\n \n Requirements:\n \n - input must fit into 104 bits\n /\n function toInt104(int256 value) internal pure returns (int104 downcasted) {\n downcasted = int104(value);\n if (downcasted != value) {\n revert SafeCastOverflowedIntDowncast(104, value);\n }\n }\n\n /\n @dev Returns the downcasted int96 from int256, reverting on\n * overflow (when the input is less than smallest int96 or\n * greater than largest int96).\n \n Counterpart to Solidity's `int96` operator.\n \n Requirements:\n \n - input must fit into 96 bits\n /\n function toInt96(int256 value) internal pure returns (int96 downcasted) {\n downcasted = int96(value);\n if (downcasted != value) {\n revert SafeCastOverflowedIntDowncast(96, value);\n }\n }\n\n /\n @dev Returns the downcasted int88 from int256, reverting on\n * overflow (when the input is less than smallest int88 or\n * greater than largest int88).\n \n Counterpart to Solidity's `int88` operator.\n \n Requirements:\n \n - input must fit into 88 bits\n /\n function toInt88(int256 value) internal pure returns (int88 downcasted) {\n downcasted = int88(value);\n if (downcasted != value) {\n revert SafeCastOverflowedIntDowncast(88, value);\n }\n }\n\n /\n @dev Returns the downcasted int80 from int256, reverting on\n * overflow (when the input is less than smallest int80 or\n * greater than largest int80).\n \n Counterpart to Solidity's `int80` operator.\n \n Requirements:\n \n - input must fit into 80 bits\n /\n function toInt80(int256 value) internal pure returns (int80 downcasted) {\n downcasted = int80(value);\n if (downcasted != value) {\n revert SafeCastOverflowedIntDowncast(80, value);\n }\n }\n\n /\n @dev Returns the downcasted int72 from int256, reverting on\n * overflow (when the input is less than smallest int72 or\n * greater than largest int72).\n \n Counterpart to Solidity's `int72` operator.\n \n Requirements:\n \n - input must fit into 72 bits\n /\n function toInt72(int256 value) internal pure returns (int72 downcasted) {\n downcasted = int72(value);\n if (downcasted != value) {\n revert SafeCastOverflowedIntDowncast(72, value);\n }\n }\n\n /\n @dev Returns the downcasted int64 from int256, reverting on\n * overflow (when the input is less than smallest int64 or\n * greater than largest int64).\n \n Counterpart to Solidity's `int64` operator.\n \n Requirements:\n \n - input must fit into 64 bits\n /\n function toInt64(int256 value) internal pure returns (int64 downcasted) {\n downcasted = int64(value);\n if (downcasted != value) {\n revert SafeCastOverflowedIntDowncast(64, value);\n }\n }\n\n /\n @dev Returns the downcasted int56 from int256, reverting on\n * overflow (when the input is less than smallest int56 or\n * greater than largest int56).\n \n Counterpart to Solidity's `int56` operator.\n \n Requirements:\n \n - input must fit into 56 bits\n /\n function toInt56(int256 value) internal pure returns (int56 downcasted) {\n downcasted = int56(value);\n if (downcasted != value) {\n revert SafeCastOverflowedIntDowncast(56, value);\n }\n }\n\n /\n @dev Returns the downcasted int48 from int256, reverting on\n * overflow (when the input is less than smallest int48 or\n * greater than largest int48).\n \n Counterpart to Solidity's `int48` operator.\n \n Requirements:\n \n - input must fit into 48 bits\n /\n function toInt48(int256 value) internal pure returns (int48 downcasted) {\n downcasted = int48(value);\n if (downcasted != value) {\n revert SafeCastOverflowedIntDowncast(48, value);\n }\n }\n\n /\n @dev Returns the downcasted int40 from int256, reverting on\n * overflow (when the input is less than smallest int40 or\n * greater than largest int40).\n \n Counterpart to Solidity's `int40` operator.\n \n Requirements:\n \n - input must fit into 40 bits\n /\n function toInt40(int256 value) internal pure returns (int40 downcasted) {\n downcasted = int40(value);\n if (downcasted != value) {\n revert SafeCastOverflowedIntDowncast(40, value);\n }\n }\n\n /\n @dev Returns the downcasted int32 from int256, reverting on\n * overflow (when the input is less than smallest int32 or\n * greater than largest int32).\n \n Counterpart to Solidity's `int32` operator.\n \n Requirements:\n \n - input must fit into 32 bits\n /\n function toInt32(int256 value) internal pure returns (int32 downcasted) {\n downcasted = int32(value);\n if (downcasted != value) {\n revert SafeCastOverflowedIntDowncast(32, value);\n }\n }\n\n /\n @dev Returns the downcasted int24 from int256, reverting on\n * overflow (when the input is less than smallest int24 or\n * greater than largest int24).\n \n Counterpart to Solidity's `int24` operator.\n \n Requirements:\n \n - input must fit into 24 bits\n /\n function toInt24(int256 value) internal pure returns (int24 downcasted) {\n downcasted = int24(value);\n if (downcasted != value) {\n revert SafeCastOverflowedIntDowncast(24, value);\n }\n }\n\n /\n @dev Returns the downcasted int16 from int256, reverting on\n * overflow (when the input is less than smallest int16 or\n * greater than largest int16).\n \n Counterpart to Solidity's `int16` operator.\n \n Requirements:\n \n - input must fit into 16 bits\n /\n function toInt16(int256 value) internal pure returns (int16 downcasted) {\n downcasted = int16(value);\n if (downcasted != value) {\n revert SafeCastOverflowedIntDowncast(16, value);\n }\n }\n\n /\n @dev Returns the downcasted int8 from int256, reverting on\n * overflow (when the input is less than smallest int8 or\n * greater than largest int8).\n \n Counterpart to Solidity's `int8` operator.\n \n Requirements:\n \n - input must fit into 8 bits\n /\n function toInt8(int256 value) internal pure returns (int8 downcasted) {\n downcasted = int8(value);\n if (downcasted != value) {\n revert SafeCastOverflowedIntDowncast(8, value);\n }\n }\n\n /\n @dev Converts an unsigned uint256 into a signed int256.\n \n Requirements:\n \n - input must be less than or equal to maxInt256.\n /\n function toInt256(uint256 value) internal pure returns (int256) {\n // Note: Unsafe cast below is okay because `type(int256).max` is guaranteed to be positive\n if (value > uint256(type(int256).max)) {\n revert SafeCastOverflowedUintToInt(value);\n }\n return int256(value);\n }\n}\n" }, "lib/@openzeppelin/contracts/utils/types/Time.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.0.0) (utils/types/Time.sol)\n\npragma solidity ^0.8.20;\n\nimport {Math} from \"../math/Math.sol\";\nimport {SafeCast} from \"../math/SafeCast.sol\";\n\n/\n @dev This library provides helpers for manipulating time-related objects.\n \n It uses the following types:\n * - `uint48` for timepoints\n * - `uint32` for durations\n \n While the library doesn't provide specific types for timepoints and duration, it does provide:\n * - a `Delay` type to represent duration that can be programmed to change value automatically at a given point\n * - additional helper functions\n /\nlibrary Time {\n using Time for ;\n\n /*\n @dev Get the block timestamp as a Timepoint.\n /\n function timestamp() internal view returns (uint48) {\n return SafeCast.toUint48(block.timestamp);\n }\n\n /\n @dev Get the block number as a Timepoint.\n /\n function blockNumber() internal view returns (uint48) {\n return SafeCast.toUint48(block.number);\n }\n\n // ==================================================== Delay =====================================================\n /\n @dev A `Delay` is a uint32 duration that can be programmed to change value automatically at a given point in the\n * future. The \"effect\" timepoint describes when the transitions happens from the \"old\" value to the \"new\" value.\n * This allows updating the delay applied to some operation while keeping some guarantees.\n \n In particular, the {update} function guarantees that if the delay is reduced, the old delay still applies for\n * some time. For example if the delay is currently 7 days to do an upgrade, the admin should not be able to set\n * the delay to 0 and upgrade immediately. If the admin wants to reduce the delay, the old delay (7 days) should\n * still apply for some time.\n \n \n * The `Delay` type is 112 bits long, and packs the following:\n \n ```\n * \| [uint48]: effect date (timepoint)\n * \| \| [uint32]: value before (duration)\n * ↓ ↓ ↓ [uint32]: value after (duration)\n * 0xAAAAAAAAAAAABBBBBBBBCCCCCCCC\n * ```\n \n NOTE: The {get} and {withUpdate} functions operate using timestamps. Block number based delays are not currently\n * supported.\n /\n type Delay is uint112;\n\n /\n @dev Wrap a duration into a Delay to add the one-step \"update in the future\" feature\n /\n function toDelay(uint32 duration) internal pure returns (Delay) {\n return Delay.wrap(duration);\n }\n\n /\n @dev Get the value at a given timepoint plus the pending value and effect timepoint if there is a scheduled\n * change after this timepoint. If the effect timepoint is 0, then the pending value should not be considered.\n /\n function _getFullAt(Delay self, uint48 timepoint) private pure returns (uint32, uint32, uint48) {\n (uint32 valueBefore, uint32 valueAfter, uint48 effect) = self.unpack();\n return effect <= timepoint ? (valueAfter, 0, 0) : (valueBefore, valueAfter, effect);\n }\n\n /\n @dev Get the current value plus the pending value and effect timepoint if there is a scheduled change. If the\n * effect timepoint is 0, then the pending value should not be considered.\n /\n function getFull(Delay self) internal view returns (uint32, uint32, uint48) {\n return _getFullAt(self, timestamp());\n }\n\n /\n @dev Get the current value.\n /\n function get(Delay self) internal view returns (uint32) {\n (uint32 delay, , ) = self.getFull();\n return delay;\n }\n\n /\n @dev Update a Delay object so that it takes a new duration after a timepoint that is automatically computed to\n * enforce the old delay at the moment of the update. Returns the updated Delay object and the timestamp when the\n * new delay becomes effective.\n /\n function withUpdate(\n Delay self,\n uint32 newValue,\n uint32 minSetback\n ) internal view returns (Delay updatedDelay, uint48 effect) {\n uint32 value = self.get();\n uint32 setback = uint32(Math.max(minSetback, value > newValue ? value - newValue : 0));\n effect = timestamp() + setback;\n return (pack(value, newValue, effect), effect);\n }\n\n /\n @dev Split a delay into its components: valueBefore, valueAfter and effect (transition timepoint).\n /\n function unpack(Delay self) internal pure returns (uint32 valueBefore, uint32 valueAfter, uint48 effect) {\n uint112 raw = Delay.unwrap(self);\n\n valueAfter = uint32(raw);\n valueBefore = uint32(raw >> 32);\n effect = uint48(raw >> 64);\n\n return (valueBefore, valueAfter, effect);\n }\n\n /\n @dev pack the components into a Delay object.\n /\n function pack(uint32 valueBefore, uint32 valueAfter, uint48 effect) internal pure returns (Delay) {\n return Delay.wrap((uint112(effect) << 64) \| (uint112(valueBefore) << 32) \| uint112(valueAfter));\n }\n}\n" }, "lib/@openzeppelin/contracts/utils/math/Math.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.0.0) (utils/math/Math.sol)\n\npragma solidity ^0.8.20;\n\n/\n @dev Standard math utilities missing in the Solidity language.\n /\nlibrary Math {\n /\n @dev Muldiv operation overflow.\n /\n error MathOverflowedMulDiv();\n\n enum Rounding {\n Floor, // Toward negative infinity\n Ceil, // Toward positive infinity\n Trunc, // Toward zero\n Expand // Away from zero\n }\n\n /\n @dev Returns the addition of two unsigned integers, with an overflow flag.\n /\n function tryAdd(uint256 a, uint256 b) internal pure returns (bool, uint256) {\n unchecked {\n uint256 c = a + b;\n if (c < a) return (false, 0);\n return (true, c);\n }\n }\n\n /\n @dev Returns the subtraction of two unsigned integers, with an overflow flag.\n /\n function trySub(uint256 a, uint256 b) internal pure returns (bool, uint256) {\n unchecked {\n if (b > a) return (false, 0);\n return (true, a - b);\n }\n }\n\n /\n @dev Returns the multiplication of two unsigned integers, with an overflow flag.\n /\n function tryMul(uint256 a, uint256 b) internal pure returns (bool, uint256) {\n unchecked {\n // Gas optimization: this is cheaper than requiring 'a' not being zero, but the\n // benefit is lost if 'b' is also tested.\n // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522\n if (a == 0) return (true, 0);\n uint256 c = a b;\n if (c / a != b) return (false, 0);\n return (true, c);\n }\n }\n\n /*\n @dev Returns the division of two unsigned integers, with a division by zero flag.\n /\n function tryDiv(uint256 a, uint256 b) internal pure returns (bool, uint256) {\n unchecked {\n if (b == 0) return (false, 0);\n return (true, a / b);\n }\n }\n\n /\n @dev Returns the remainder of dividing two unsigned integers, with a division by zero flag.\n /\n function tryMod(uint256 a, uint256 b) internal pure returns (bool, uint256) {\n unchecked {\n if (b == 0) return (false, 0);\n return (true, a % b);\n }\n }\n\n /\n @dev Returns the largest of two numbers.\n /\n function max(uint256 a, uint256 b) internal pure returns (uint256) {\n return a > b ? a : b;\n }\n\n /\n @dev Returns the smallest of two numbers.\n /\n function min(uint256 a, uint256 b) internal pure returns (uint256) {\n return a < b ? a : b;\n }\n\n /\n @dev Returns the average of two numbers. The result is rounded towards\n * zero.\n /\n function average(uint256 a, uint256 b) internal pure returns (uint256) {\n // (a + b) / 2 can overflow.\n return (a & b) + (a ^ b) / 2;\n }\n\n /\n @dev Returns the ceiling of the division of two numbers.\n \n This differs from standard division with `/` in that it rounds towards infinity instead\n * of rounding towards zero.\n /\n function ceilDiv(uint256 a, uint256 b) internal pure returns (uint256) {\n if (b == 0) {\n // Guarantee the same behavior as in a regular Solidity division.\n return a / b;\n }\n\n // (a + b - 1) / b can overflow on addition, so we distribute.\n return a == 0 ? 0 : (a - 1) / b + 1;\n }\n\n /\n @notice Calculates floor(x * y / denominator) with full precision. Throws if result overflows a uint256 or\n * denominator == 0.\n * @dev Original credit to Remco Bloemen under MIT license (https://xn--2-umb.com/21/muldiv) with further edits by\n * Uniswap Labs also under MIT license.\n /\n function mulDiv(uint256 x, uint256 y, uint256 denominator) internal pure returns (uint256 result) {\n unchecked {\n // 512-bit multiply [prod1 prod0] = x y. Compute the product mod 2^256 and mod 2^256 - 1, then use\n // use the Chinese Remainder Theorem to reconstruct the 512 bit result. The result is stored in two 256\n // variables such that product = prod1 * 2^256 + prod0.\n uint256 prod0 = x * y; // Least significant 256 bits of the product\n uint256 prod1; // Most significant 256 bits of the product\n assembly {\n let mm := mulmod(x, y, not(0))\n prod1 := sub(sub(mm, prod0), lt(mm, prod0))\n }\n\n // Handle non-overflow cases, 256 by 256 division.\n if (prod1 == 0) {\n // Solidity will revert if denominator == 0, unlike the div opcode on its own.\n // The surrounding unchecked block does not change this fact.\n // See https://docs.soliditylang.org/en/latest/control-structures.html#checked-or-unchecked-arithmetic.\n return prod0 / denominator;\n }\n\n // Make sure the result is less than 2^256. Also prevents denominator == 0.\n if (denominator <= prod1) {\n revert MathOverflowedMulDiv();\n }\n\n ///////////////////////////////////////////////\n // 512 by 256 division.\n ///////////////////////////////////////////////\n\n // Make division exact by subtracting the remainder from [prod1 prod0].\n uint256 remainder;\n assembly {\n // Compute remainder using mulmod.\n remainder := mulmod(x, y, denominator)\n\n // Subtract 256 bit number from 512 bit number.\n prod1 := sub(prod1, gt(remainder, prod0))\n prod0 := sub(prod0, remainder)\n }\n\n // Factor powers of two out of denominator and compute largest power of two divisor of denominator.\n // Always >= 1. See https://cs.stackexchange.com/q/138556/92363.\n\n uint256 twos = denominator & (0 - denominator);\n assembly {\n // Divide denominator by twos.\n denominator := div(denominator, twos)\n\n // Divide [prod1 prod0] by twos.\n prod0 := div(prod0, twos)\n\n // Flip twos such that it is 2^256 / twos. If twos is zero, then it becomes one.\n twos := add(div(sub(0, twos), twos), 1)\n }\n\n // Shift in bits from prod1 into prod0.\n prod0 \|= prod1 * twos;\n\n // Invert denominator mod 2^256. Now that denominator is an odd number, it has an inverse modulo 2^256 such\n // that denominator * inv = 1 mod 2^256. Compute the inverse by starting with a seed that is correct for\n // four bits. That is, denominator * inv = 1 mod 2^4.\n uint256 inverse = (3 * denominator) ^ 2;\n\n // Use the Newton-Raphson iteration to improve the precision. Thanks to Hensel's lifting lemma, this also\n // works in modular arithmetic, doubling the correct bits in each step.\n inverse = 2 - denominator inverse; // inverse mod 2^8\n inverse = 2 - denominator inverse; // inverse mod 2^16\n inverse = 2 - denominator inverse; // inverse mod 2^32\n inverse = 2 - denominator inverse; // inverse mod 2^64\n inverse = 2 - denominator inverse; // inverse mod 2^128\n inverse = 2 - denominator inverse; // inverse mod 2^256\n\n // Because the division is now exact we can divide by multiplying with the modular inverse of denominator.\n // This will give us the correct result modulo 2^256. Since the preconditions guarantee that the outcome is\n // less than 2^256, this is the final result. We don't need to compute the high bits of the result and prod1\n // is no longer required.\n result = prod0 * inverse;\n return result;\n }\n }\n\n /*\n @notice Calculates x * y / denominator with full precision, following the selected rounding direction.\n /\n function mulDiv(uint256 x, uint256 y, uint256 denominator, Rounding rounding) internal pure returns (uint256) {\n uint256 result = mulDiv(x, y, denominator);\n if (unsignedRoundsUp(rounding) && mulmod(x, y, denominator) > 0) {\n result += 1;\n }\n return result;\n }\n\n /\n @dev Returns the square root of a number. If the number is not a perfect square, the value is rounded\n * towards zero.\n \n Inspired by Henry S. Warren, Jr.'s \"Hacker's Delight\" (Chapter 11).\n /\n function sqrt(uint256 a) internal pure returns (uint256) {\n if (a == 0) {\n return 0;\n }\n\n // For our first guess, we get the biggest power of 2 which is smaller than the square root of the target.\n //\n // We know that the \"msb\" (most significant bit) of our target number `a` is a power of 2 such that we have\n // `msb(a) <= a < 2msb(a)`. This value can be written `msb(a)=2k` with `k=log2(a)`.\n //\n // This can be rewritten `2log2(a) <= a < 2(log2(a) + 1)`\n // → `sqrt(2k) <= sqrt(a) < sqrt(2(k+1))`\n // → `2(k/2) <= sqrt(a) < 2((k+1)/2) <= 2(k/2 + 1)`\n //\n // Consequently, `2(log2(a) / 2)` is a good first approximation of `sqrt(a)` with at least 1 correct bit.\n uint256 result = 1 << (log2(a) >> 1);\n\n // At this point `result` is an estimation with one bit of precision. We know the true value is a uint128,\n // since it is the square root of a uint256. Newton's method converges quadratically (precision doubles at\n // every iteration). We thus need at most 7 iteration to turn our partial result with one bit of precision\n // into the expected uint128 result.\n unchecked {\n result = (result + a / result) >> 1;\n result = (result + a / result) >> 1;\n result = (result + a / result) >> 1;\n result = (result + a / result) >> 1;\n result = (result + a / result) >> 1;\n result = (result + a / result) >> 1;\n result = (result + a / result) >> 1;\n return min(result, a / result);\n }\n }\n\n /\n * @notice Calculates sqrt(a), following the selected rounding direction.\n /\n function sqrt(uint256 a, Rounding rounding) internal pure returns (uint256) {\n unchecked {\n uint256 result = sqrt(a);\n return result + (unsignedRoundsUp(rounding) && result result < a ? 1 : 0);\n }\n }\n\n /*\n @dev Return the log in base 2 of a positive value rounded towards zero.\n * Returns 0 if given 0.\n /\n function log2(uint256 value) internal pure returns (uint256) {\n uint256 result = 0;\n unchecked {\n if (value >> 128 > 0) {\n value >>= 128;\n result += 128;\n }\n if (value >> 64 > 0) {\n value >>= 64;\n result += 64;\n }\n if (value >> 32 > 0) {\n value >>= 32;\n result += 32;\n }\n if (value >> 16 > 0) {\n value >>= 16;\n result += 16;\n }\n if (value >> 8 > 0) {\n value >>= 8;\n result += 8;\n }\n if (value >> 4 > 0) {\n value >>= 4;\n result += 4;\n }\n if (value >> 2 > 0) {\n value >>= 2;\n result += 2;\n }\n if (value >> 1 > 0) {\n result += 1;\n }\n }\n return result;\n }\n\n /\n @dev Return the log in base 2, following the selected rounding direction, of a positive value.\n * Returns 0 if given 0.\n /\n function log2(uint256 value, Rounding rounding) internal pure returns (uint256) {\n unchecked {\n uint256 result = log2(value);\n return result + (unsignedRoundsUp(rounding) && 1 << result < value ? 1 : 0);\n }\n }\n\n /\n @dev Return the log in base 10 of a positive value rounded towards zero.\n * Returns 0 if given 0.\n /\n function log10(uint256 value) internal pure returns (uint256) {\n uint256 result = 0;\n unchecked {\n if (value >= 10 * 64) {\n value /= 10 64;\n result += 64;\n }\n if (value >= 10 32) {\n value /= 10 32;\n result += 32;\n }\n if (value >= 10 16) {\n value /= 10 16;\n result += 16;\n }\n if (value >= 10 8) {\n value /= 10 8;\n result += 8;\n }\n if (value >= 10 4) {\n value /= 10 4;\n result += 4;\n }\n if (value >= 10 2) {\n value /= 10 2;\n result += 2;\n }\n if (value >= 10 1) {\n result += 1;\n }\n }\n return result;\n }\n\n /*\n @dev Return the log in base 10, following the selected rounding direction, of a positive value.\n * Returns 0 if given 0.\n /\n function log10(uint256 value, Rounding rounding) internal pure returns (uint256) {\n unchecked {\n uint256 result = log10(value);\n return result + (unsignedRoundsUp(rounding) && 10 * result < value ? 1 : 0);\n }\n }\n\n /*\n @dev Return the log in base 256 of a positive value rounded towards zero.\n * Returns 0 if given 0.\n \n Adding one to the result gives the number of pairs of hex symbols needed to represent `value` as a hex string.\n /\n function log256(uint256 value) internal pure returns (uint256) {\n uint256 result = 0;\n unchecked {\n if (value >> 128 > 0) {\n value >>= 128;\n result += 16;\n }\n if (value >> 64 > 0) {\n value >>= 64;\n result += 8;\n }\n if (value >> 32 > 0) {\n value >>= 32;\n result += 4;\n }\n if (value >> 16 > 0) {\n value >>= 16;\n result += 2;\n }\n if (value >> 8 > 0) {\n result += 1;\n }\n }\n return result;\n }\n\n /\n @dev Return the log in base 256, following the selected rounding direction, of a positive value.\n * Returns 0 if given 0.\n /\n function log256(uint256 value, Rounding rounding) internal pure returns (uint256) {\n unchecked {\n uint256 result = log256(value);\n return result + (unsignedRoundsUp(rounding) && 1 << (result << 3) < value ? 1 : 0);\n }\n }\n\n /\n @dev Returns whether a provided rounding mode is considered rounding up for unsigned integers.\n /\n function unsignedRoundsUp(Rounding rounding) internal pure returns (bool) {\n return uint8(rounding) % 2 == 1;\n }\n}\n" }, "contracts/src/diamond/facets/introspection/IERC165.sol": { "content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.23;\n\n// interfaces\n\n// libraries\n\n// contracts\n\ninterface IIntrospectionBase {\n error Introspection_AlreadySupported();\n error Introspection_NotSupported();\n\n /\n @notice Emitted when an interface is added to the contract via `_addInterface`.\n /\n event InterfaceAdded(bytes4 indexed interfaceId);\n\n /\n @notice Emitted when an interface is removed from the contract via `_removeInterface`.\n /\n event InterfaceRemoved(bytes4 indexed interfaceId);\n}\n\n/\n @title IERC165\n * @notice Interface of the ERC165 standard. See [EIP-165](https://eips.ethereum.org/EIPS/eip-165).\n /\ninterface IERC165 is IIntrospectionBase {\n /\n @notice Returns true if this contract implements the interface\n * @param interfaceId The 4 bytes interface identifier, as specified in ERC-165\n * @dev Has to be manually set by a facet at initialization.\n /\n function supportsInterface(bytes4 interfaceId) external view returns (bool);\n}\n" }, "contracts/src/diamond/facets/introspection/IntrospectionStorage.sol": { "content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.23;\n\n// interfaces\n\n// libraries\n\n// contracts\n\nlibrary IntrospectionStorage {\n // keccak256(abi.encode(uint256(keccak256(\"diamond.facets.introspection.storage\")) - 1)) & ~bytes32(uint256(0xff))\n bytes32 internal constant STORAGE_SLOT =\n 0x81088bbc801e045ea3e7620779ab349988f58afbdfba10dff983df3f33522b00;\n\n struct Layout {\n mapping(bytes4 => bool) supportedInterfaces;\n }\n\n function layout() internal pure returns (Layout storage ds) {\n bytes32 slot = STORAGE_SLOT;\n assembly {\n ds.slot := slot\n }\n }\n}\n" }, "contracts/src/tokens/lock/LockStorage.sol": { "content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.23;\n\n// interfaces\n\n// libraries\n\n// contracts\n\nlibrary LockStorage {\n bytes32 constant STORAGE_POSITION = keccak256(\"river.tokens.lock.storage\");\n\n struct Layout {\n uint256 defaultCooldown;\n mapping(address => bool) enabledByAddress;\n mapping(address => uint256) cooldownByAddress;\n }\n\n function layout() internal pure returns (Layout storage l) {\n bytes32 slot = STORAGE_POSITION;\n assembly {\n l.slot := slot\n }\n }\n}\n" }, "lib/@openzeppelin/contracts/utils/Strings.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.0.0) (utils/Strings.sol)\n\npragma solidity ^0.8.20;\n\nimport {Math} from \"./math/Math.sol\";\nimport {SignedMath} from \"./math/SignedMath.sol\";\n\n/\n @dev String operations.\n /\nlibrary Strings {\n bytes16 private constant HEX_DIGITS = \"0123456789abcdef\";\n uint8 private constant ADDRESS_LENGTH = 20;\n\n /\n @dev The `value` string doesn't fit in the specified `length`.\n /\n error StringsInsufficientHexLength(uint256 value, uint256 length);\n\n /\n @dev Converts a `uint256` to its ASCII `string` decimal representation.\n /\n function toString(uint256 value) internal pure returns (string memory) {\n unchecked {\n uint256 length = Math.log10(value) + 1;\n string memory buffer = new string(length);\n uint256 ptr;\n /// @solidity memory-safe-assembly\n assembly {\n ptr := add(buffer, add(32, length))\n }\n while (true) {\n ptr--;\n /// @solidity memory-safe-assembly\n assembly {\n mstore8(ptr, byte(mod(value, 10), HEX_DIGITS))\n }\n value /= 10;\n if (value == 0) break;\n }\n return buffer;\n }\n }\n\n /\n @dev Converts a `int256` to its ASCII `string` decimal representation.\n /\n function toStringSigned(int256 value) internal pure returns (string memory) {\n return string.concat(value < 0 ? \"-\" : \"\", toString(SignedMath.abs(value)));\n }\n\n /\n @dev Converts a `uint256` to its ASCII `string` hexadecimal representation.\n /\n function toHexString(uint256 value) internal pure returns (string memory) {\n unchecked {\n return toHexString(value, Math.log256(value) + 1);\n }\n }\n\n /\n @dev Converts a `uint256` to its ASCII `string` hexadecimal representation with fixed length.\n /\n function toHexString(uint256 value, uint256 length) internal pure returns (string memory) {\n uint256 localValue = value;\n bytes memory buffer = new bytes(2 length + 2);\n buffer[0] = \"0\";\n buffer[1] = \"x\";\n for (uint256 i = 2 * length + 1; i > 1; --i) {\n buffer[i] = HEX_DIGITS[localValue & 0xf];\n localValue >>= 4;\n }\n if (localValue != 0) {\n revert StringsInsufficientHexLength(value, length);\n }\n return string(buffer);\n }\n\n /*\n @dev Converts an `address` with fixed length of 20 bytes to its not checksummed ASCII `string` hexadecimal\n * representation.\n /\n function toHexString(address addr) internal pure returns (string memory) {\n return toHexString(uint256(uint160(addr)), ADDRESS_LENGTH);\n }\n\n /\n @dev Returns true if the two strings are equal.\n /\n function equal(string memory a, string memory b) internal pure returns (bool) {\n return bytes(a).length == bytes(b).length && keccak256(bytes(a)) == keccak256(bytes(b));\n }\n}\n" }, "contracts/src/diamond/facets/initializable/InitializableStorage.sol": { "content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.23;\n\n// interfaces\n\n// libraries\n\n// contracts\n\nlibrary InitializableStorage {\n // keccak256(abi.encode(uint256(keccak256(\"diamond.facets.initializable.storage\")) - 1)) & ~bytes32(uint256(0xff))\n bytes32 internal constant STORAGE_SLOT =\n 0x59b501c3653afc186af7d48dda36cf6732bd21629a6295693664240a6ef52000;\n\n struct Layout {\n uint32 version;\n bool initializing;\n }\n\n function layout() internal pure returns (Layout storage s) {\n bytes32 slot = STORAGE_SLOT;\n assembly {\n s.slot := slot\n }\n }\n}\n" }, "lib/@openzeppelin/contracts/utils/Address.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.0.0) (utils/Address.sol)\n\npragma solidity ^0.8.20;\n\n/\n @dev Collection of functions related to the address type\n /\nlibrary Address {\n /\n @dev The ETH balance of the account is not enough to perform the operation.\n /\n error AddressInsufficientBalance(address account);\n\n /\n @dev There's no code at `target` (it is not a contract).\n /\n error AddressEmptyCode(address target);\n\n /\n @dev A call to an address target failed. The target may have reverted.\n /\n error FailedInnerCall();\n\n /\n @dev Replacement for Solidity's `transfer`: sends `amount` wei to\n * `recipient`, forwarding all available gas and reverting on errors.\n \n https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost\n * of certain opcodes, possibly making contracts go over the 2300 gas limit\n * imposed by `transfer`, making them unable to receive funds via\n * `transfer`. {sendValue} removes this limitation.\n \n https://consensys.net/diligence/blog/2019/09/stop-using-soliditys-transfer-now/[Learn more].\n \n IMPORTANT: because control is transferred to `recipient`, care must be\n * taken to not create reentrancy vulnerabilities. Consider using\n * {ReentrancyGuard} or the\n * https://solidity.readthedocs.io/en/v0.8.20/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].\n /\n function sendValue(address payable recipient, uint256 amount) internal {\n if (address(this).balance < amount) {\n revert AddressInsufficientBalance(address(this));\n }\n\n (bool success, ) = recipient.call{value: amount}(\"\");\n if (!success) {\n revert FailedInnerCall();\n }\n }\n\n /\n @dev Performs a Solidity function call using a low level `call`. A\n * plain `call` is an unsafe replacement for a function call: use this\n * function instead.\n \n If `target` reverts with a revert reason or custom error, it is bubbled\n * up by this function (like regular Solidity function calls). However, if\n * the call reverted with no returned reason, this function reverts with a\n * {FailedInnerCall} error.\n \n Returns the raw returned data. To convert to the expected return value,\n * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].\n \n Requirements:\n \n - `target` must be a contract.\n * - calling `target` with `data` must not revert.\n /\n function functionCall(address target, bytes memory data) internal returns (bytes memory) {\n return functionCallWithValue(target, data, 0);\n }\n\n /\n @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],\n * but also transferring `value` wei to `target`.\n \n Requirements:\n \n - the calling contract must have an ETH balance of at least `value`.\n * - the called Solidity function must be `payable`.\n /\n function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) {\n if (address(this).balance < value) {\n revert AddressInsufficientBalance(address(this));\n }\n (bool success, bytes memory returndata) = target.call{value: value}(data);\n return verifyCallResultFromTarget(target, success, returndata);\n }\n\n /\n @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],\n * but performing a static call.\n /\n function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {\n (bool success, bytes memory returndata) = target.staticcall(data);\n return verifyCallResultFromTarget(target, success, returndata);\n }\n\n /\n @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],\n * but performing a delegate call.\n /\n function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {\n (bool success, bytes memory returndata) = target.delegatecall(data);\n return verifyCallResultFromTarget(target, success, returndata);\n }\n\n /\n @dev Tool to verify that a low level call to smart-contract was successful, and reverts if the target\n * was not a contract or bubbling up the revert reason (falling back to {FailedInnerCall}) in case of an\n * unsuccessful call.\n /\n function verifyCallResultFromTarget(\n address target,\n bool success,\n bytes memory returndata\n ) internal view returns (bytes memory) {\n if (!success) {\n _revert(returndata);\n } else {\n // only check if target is a contract if the call was successful and the return data is empty\n // otherwise we already know that it was a contract\n if (returndata.length == 0 && target.code.length == 0) {\n revert AddressEmptyCode(target);\n }\n return returndata;\n }\n }\n\n /\n @dev Tool to verify that a low level call was successful, and reverts if it wasn't, either by bubbling the\n * revert reason or with a default {FailedInnerCall} error.\n /\n function verifyCallResult(bool success, bytes memory returndata) internal pure returns (bytes memory) {\n if (!success) {\n _revert(returndata);\n } else {\n return returndata;\n }\n }\n\n /\n @dev Reverts with returndata if present. Otherwise reverts with {FailedInnerCall}.\n /\n function _revert(bytes memory returndata) private pure {\n // Look for revert reason and bubble it up if present\n if (returndata.length > 0) {\n // The easiest way to bubble the revert reason is using memory via assembly\n /// @solidity memory-safe-assembly\n assembly {\n let returndata_size := mload(returndata)\n revert(add(32, returndata), returndata_size)\n }\n } else {\n revert FailedInnerCall();\n }\n }\n}\n" }, "lib/@openzeppelin/contracts/utils/StorageSlot.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.0.0) (utils/StorageSlot.sol)\n// This file was procedurally generated from scripts/generate/templates/StorageSlot.js.\n\npragma solidity ^0.8.20;\n\n/\n @dev Library for reading and writing primitive types to specific storage slots.\n \n Storage slots are often used to avoid storage conflict when dealing with upgradeable contracts.\n * This library helps with reading and writing to such slots without the need for inline assembly.\n \n The functions in this library return Slot structs that contain a `value` member that can be used to read or write.\n \n Example usage to set ERC1967 implementation slot:\n * ```solidity\n * contract ERC1967 {\n * bytes32 internal constant _IMPLEMENTATION_SLOT = 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc;\n \n function _getImplementation() internal view returns (address) {\n * return StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value;\n * }\n \n function _setImplementation(address newImplementation) internal {\n * require(newImplementation.code.length > 0);\n * StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value = newImplementation;\n * }\n * }\n * ```\n /\nlibrary StorageSlot {\n struct AddressSlot {\n address value;\n }\n\n struct BooleanSlot {\n bool value;\n }\n\n struct Bytes32Slot {\n bytes32 value;\n }\n\n struct Uint256Slot {\n uint256 value;\n }\n\n struct StringSlot {\n string value;\n }\n\n struct BytesSlot {\n bytes value;\n }\n\n /\n @dev Returns an `AddressSlot` with member `value` located at `slot`.\n /\n function getAddressSlot(bytes32 slot) internal pure returns (AddressSlot storage r) {\n /// @solidity memory-safe-assembly\n assembly {\n r.slot := slot\n }\n }\n\n /\n @dev Returns an `BooleanSlot` with member `value` located at `slot`.\n /\n function getBooleanSlot(bytes32 slot) internal pure returns (BooleanSlot storage r) {\n /// @solidity memory-safe-assembly\n assembly {\n r.slot := slot\n }\n }\n\n /\n @dev Returns an `Bytes32Slot` with member `value` located at `slot`.\n /\n function getBytes32Slot(bytes32 slot) internal pure returns (Bytes32Slot storage r) {\n /// @solidity memory-safe-assembly\n assembly {\n r.slot := slot\n }\n }\n\n /\n @dev Returns an `Uint256Slot` with member `value` located at `slot`.\n /\n function getUint256Slot(bytes32 slot) internal pure returns (Uint256Slot storage r) {\n /// @solidity memory-safe-assembly\n assembly {\n r.slot := slot\n }\n }\n\n /\n @dev Returns an `StringSlot` with member `value` located at `slot`.\n /\n function getStringSlot(bytes32 slot) internal pure returns (StringSlot storage r) {\n /// @solidity memory-safe-assembly\n assembly {\n r.slot := slot\n }\n }\n\n /\n @dev Returns an `StringSlot` representation of the string storage pointer `store`.\n /\n function getStringSlot(string storage store) internal pure returns (StringSlot storage r) {\n /// @solidity memory-safe-assembly\n assembly {\n r.slot := store.slot\n }\n }\n\n /\n @dev Returns an `BytesSlot` with member `value` located at `slot`.\n /\n function getBytesSlot(bytes32 slot) internal pure returns (BytesSlot storage r) {\n /// @solidity memory-safe-assembly\n assembly {\n r.slot := slot\n }\n }\n\n /\n @dev Returns an `BytesSlot` representation of the bytes storage pointer `store`.\n /\n function getBytesSlot(bytes storage store) internal pure returns (BytesSlot storage r) {\n /// @solidity memory-safe-assembly\n assembly {\n r.slot := store.slot\n }\n }\n}\n" }, "lib/@openzeppelin/contracts/utils/math/SignedMath.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.0.0) (utils/math/SignedMath.sol)\n\npragma solidity ^0.8.20;\n\n/\n @dev Standard signed math utilities missing in the Solidity language.\n /\nlibrary SignedMath {\n /\n @dev Returns the largest of two signed numbers.\n /\n function max(int256 a, int256 b) internal pure returns (int256) {\n return a > b ? a : b;\n }\n\n /\n @dev Returns the smallest of two signed numbers.\n /\n function min(int256 a, int256 b) internal pure returns (int256) {\n return a < b ? a : b;\n }\n\n /\n @dev Returns the average of two signed numbers without overflow.\n * The result is rounded towards zero.\n /\n function average(int256 a, int256 b) internal pure returns (int256) {\n // Formula from the book \"Hacker's Delight\"\n int256 x = (a & b) + ((a ^ b) >> 1);\n return x + (int256(uint256(x) >> 255) & (a ^ b));\n }\n\n /\n @dev Returns the absolute unsigned value of a signed value.\n /\n function abs(int256 n) internal pure returns (uint256) {\n unchecked {\n // must be unchecked in order to support `n = type(int256).min`\n return uint256(n >= 0 ? n : -n);\n }\n }\n}\n" } }, "settings": { "remappings": [ "@openzeppelin/=lib/@openzeppelin/", "account-abstraction/=lib/account-abstraction/contracts/", "base64/=lib/base64/", "ds-test/=lib/ds-test/src/", "forge-std/=lib/forge-std/src/", "hardhat-deploy/=lib/hardhat-deploy/", "@prb/math/=lib/@prb/math/src/", "@prb/test/=lib/@prb/test/src/" ], "optimizer": { "enabled": true, "runs": 200 }, "metadata": { "useLiteralContent": false, "bytecodeHash": "none", "appendCBOR": false }, "outputSelection": { "": { "*": [ "evm.bytecode", "evm.deployedBytecode", "devdoc", "userdoc", "metadata", "abi" ] } }, "evmVersion": "paris", "viaIR": false, "libraries": {} } }}
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"language": "Solidity", "sources": { "src/staking/SignedSnapshotStakingPool.sol": { "content": "// SPDX-License-Identifier: Apache-2.0\npragma solidity ^0.8.0;\n\nimport {IERC20} from \"@openzeppelin/contracts/token/ERC20/IERC20.sol\";\nimport {ISignedSnapshotStakingPool} from \"../interfaces/staking/ISignedSnapshotStakingPool.sol\";\n\nimport {EIP712} from \"@openzeppelin/contracts/utils/cryptography/EIP712.sol\";\nimport {SignatureChecker} from \"@openzeppelin/contracts/utils/cryptography/SignatureChecker.sol\";\nimport {SnapshotStakingPool} from \"./SnapshotStakingPool.sol\";\n\n/// @title SignedSnapshotStakingPool\n/// @author Index Cooperative\n/// @notice A contract for staking `stakeToken` and receiving `rewardToken` based \n/// on snapshots taken when rewards are accrued. Snapshots are taken at a minimum\n/// interval of `snapshotDelay` seconds. Staking is not allowed `snapshotBuffer` \n/// seconds before a snapshot is taken. Rewards are distributed by the `distributor`.\n/// Stakers must sign an agreement `message` to stake.\ncontract SignedSnapshotStakingPool is ISignedSnapshotStakingPool, SnapshotStakingPool, EIP712 {\n string private constant MESSAGE_TYPE = \"StakeMessage(string message)\";\n\n /* ERRORS /\n\n /// @notice Error when staker is not approved\n error NotApprovedStaker();\n /// @notice Error when signature is invalid\n error InvalidSignature();\n\n / EVENTS /\n\n /// @notice Emitted when the message is changed\n event MessageChanged(string newMessage);\n /// @notice Emitted when a staker has message signature approved\n event StakerApproved(address indexed staker);\n\n / STORAGE /\n\n /// @inheritdoc ISignedSnapshotStakingPool\n string public message;\n /// @inheritdoc ISignedSnapshotStakingPool\n mapping(address => bool) public isApprovedStaker;\n\n / CONSTRUCTOR /\n\n /// @param eip712Name Name of the EIP712 signing domain\n /// @param eip712Version Current major version of the EIP712 signing domain\n /// @param stakeMessage The message to sign when staking\n /// @param name Name of the staked token\n /// @param symbol Symbol of the staked token\n /// @param rewardToken Instance of the reward token\n /// @param stakeToken Instance of the stake token\n /// @param distributor Address of the distributor\n /// @param snapshotBuffer The buffer time before snapshots during which staking is not allowed\n /// @param snapshotDelay The minimum amount of time between snapshots\n constructor(\n string memory eip712Name,\n string memory eip712Version,\n string memory stakeMessage,\n string memory name,\n string memory symbol,\n IERC20 rewardToken,\n IERC20 stakeToken,\n address distributor,\n uint256 snapshotBuffer,\n uint256 snapshotDelay\n )\n EIP712(eip712Name, eip712Version)\n SnapshotStakingPool(name, symbol, rewardToken, stakeToken, distributor, snapshotBuffer, snapshotDelay)\n {\n _setMessage(stakeMessage);\n }\n\n / STAKER FUNCTIONS /\n\n /// @inheritdoc ISignedSnapshotStakingPool\n function stake(uint256 amount) external override(SnapshotStakingPool, ISignedSnapshotStakingPool) nonReentrant {\n if (!isApprovedStaker[msg.sender]) revert NotApprovedStaker();\n _stake(msg.sender, amount);\n }\n\n /// @inheritdoc ISignedSnapshotStakingPool\n function stake(uint256 amount, bytes calldata signature) external nonReentrant {\n _approveStaker(msg.sender, signature);\n _stake(msg.sender, amount);\n }\n\n /// @inheritdoc ISignedSnapshotStakingPool\n function approveStaker(bytes calldata signature) external {\n _approveStaker(msg.sender, signature);\n }\n\n / ADMIN FUNCTIONS /\n\n /// @inheritdoc ISignedSnapshotStakingPool\n function setMessage(string memory newMessage) external onlyOwner {\n _setMessage(newMessage);\n }\n\n / VIEW FUNCTIONS /\n\n /// @inheritdoc ISignedSnapshotStakingPool\n function getStakeSignatureDigest() public view returns (bytes32) {\n return _hashTypedDataV4(\n keccak256(\n abi.encode(\n keccak256(abi.encodePacked(MESSAGE_TYPE)),\n keccak256(bytes(message))\n )\n )\n );\n }\n\n / INTERNAL FUNCTIONS /\n\n /// @dev Approve the `staker` if the `signature` is valid\n /// @param staker The staker to approve\n /// @param signature The signature to verify\n function _approveStaker(address staker, bytes calldata signature) internal {\n if (!SignatureChecker.isValidSignatureNow(staker, getStakeSignatureDigest(), signature)) revert InvalidSignature();\n isApprovedStaker[staker] = true;\n emit StakerApproved(staker);\n }\n\n /// @dev Set the stake `message` to `newMessage`\n /// @param newMessage The new message\n function _setMessage(string memory newMessage) internal {\n message = newMessage;\n emit MessageChanged(newMessage);\n }\n}\n" }, "lib/openzeppelin-contracts/contracts/token/ERC20/IERC20.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.9.0) (token/ERC20/IERC20.sol)\n\npragma solidity ^0.8.0;\n\n/\n @dev Interface of the ERC20 standard as defined in the EIP.\n /\ninterface IERC20 {\n /\n @dev Emitted when `value` tokens are moved from one account (`from`) to\n * another (`to`).\n \n Note that `value` may be zero.\n /\n event Transfer(address indexed from, address indexed to, uint256 value);\n\n /\n @dev Emitted when the allowance of a `spender` for an `owner` is set by\n * a call to {approve}. `value` is the new allowance.\n /\n event Approval(address indexed owner, address indexed spender, uint256 value);\n\n /\n @dev Returns the amount of tokens in existence.\n /\n function totalSupply() external view returns (uint256);\n\n /\n @dev Returns the amount of tokens owned by `account`.\n /\n function balanceOf(address account) external view returns (uint256);\n\n /\n @dev Moves `amount` tokens from the caller's account to `to`.\n \n Returns a boolean value indicating whether the operation succeeded.\n \n Emits a {Transfer} event.\n /\n function transfer(address to, uint256 amount) external returns (bool);\n\n /\n @dev Returns the remaining number of tokens that `spender` will be\n * allowed to spend on behalf of `owner` through {transferFrom}. This is\n * zero by default.\n \n This value changes when {approve} or {transferFrom} are called.\n /\n function allowance(address owner, address spender) external view returns (uint256);\n\n /\n @dev Sets `amount` as the allowance of `spender` over the caller's tokens.\n \n Returns a boolean value indicating whether the operation succeeded.\n \n IMPORTANT: Beware that changing an allowance with this method brings the risk\n * that someone may use both the old and the new allowance by unfortunate\n * transaction ordering. One possible solution to mitigate this race\n * condition is to first reduce the spender's allowance to 0 and set the\n * desired value afterwards:\n * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729\n \n Emits an {Approval} event.\n /\n function approve(address spender, uint256 amount) external returns (bool);\n\n /\n @dev Moves `amount` tokens from `from` to `to` using the\n * allowance mechanism. `amount` is then deducted from the caller's\n * allowance.\n \n Returns a boolean value indicating whether the operation succeeded.\n \n Emits a {Transfer} event.\n /\n function transferFrom(address from, address to, uint256 amount) external returns (bool);\n}\n" }, "src/interfaces/staking/ISignedSnapshotStakingPool.sol": { "content": "// SPDX-License-Identifier: Apache-2.0\npragma solidity ^0.8.0;\n\nimport {ISnapshotStakingPool} from \"./ISnapshotStakingPool.sol\";\n\ninterface ISignedSnapshotStakingPool is ISnapshotStakingPool {\n\n /// @notice Message to sign when staking\n function message() external view returns (string memory);\n\n /// @notice Mapping of approved stakers\n function isApprovedStaker(address) external view returns (bool);\n\n /// @notice Stake `amount` of stakeToken from `msg.sender` and mint staked tokens.\n /// @param amount The amount of stakeToken to stake\n /// @dev Must be an approved staker\n function stake(uint256 amount) external;\n\n /// @notice Stake `amount` of stakeToken from `msg.sender` and mint staked tokens.\n /// @param amount The amount of stakeToken to stake\n /// @param signature The signature of the message\n /// @dev Approves the staker if not already approved\n function stake(uint256 amount, bytes calldata signature) external;\n\n /// @notice Approve the signer of the message as an approved staker\n /// @param signature The signature of the message\n function approveStaker(bytes calldata signature) external;\n\n /// @notice Set the message to sign when staking\n /// @param newMessage The new message\n function setMessage(string memory newMessage) external;\n\n /// @notice Get the hashed digest of the message to be signed for staking\n /// @return The hashed bytes to be signed\n function getStakeSignatureDigest() external view returns (bytes32);\n}\n" }, "lib/openzeppelin-contracts/contracts/utils/cryptography/EIP712.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.9.0) (utils/cryptography/EIP712.sol)\n\npragma solidity ^0.8.8;\n\nimport \"./ECDSA.sol\";\nimport \"../ShortStrings.sol\";\nimport \"../../interfaces/IERC5267.sol\";\n\n/\n @dev https://eips.ethereum.org/EIPS/eip-712[EIP 712] is a standard for hashing and signing of typed structured data.\n \n The encoding specified in the EIP is very generic, and such a generic implementation in Solidity is not feasible,\n * thus this contract does not implement the encoding itself. Protocols need to implement the type-specific encoding\n * they need in their contracts using a combination of `abi.encode` and `keccak256`.\n \n This contract implements the EIP 712 domain separator ({_domainSeparatorV4}) that is used as part of the encoding\n * scheme, and the final step of the encoding to obtain the message digest that is then signed via ECDSA\n * ({_hashTypedDataV4}).\n \n The implementation of the domain separator was designed to be as efficient as possible while still properly updating\n * the chain id to protect against replay attacks on an eventual fork of the chain.\n \n NOTE: This contract implements the version of the encoding known as \"v4\", as implemented by the JSON RPC method\n * https://docs.metamask.io/guide/signing-data.html[`eth_signTypedDataV4` in MetaMask].\n \n NOTE: In the upgradeable version of this contract, the cached values will correspond to the address, and the domain\n * separator of the implementation contract. This will cause the `_domainSeparatorV4` function to always rebuild the\n * separator from the immutable values, which is cheaper than accessing a cached version in cold storage.\n \n _Available since v3.4._\n \n @custom:oz-upgrades-unsafe-allow state-variable-immutable state-variable-assignment\n /\nabstract contract EIP712 is IERC5267 {\n using ShortStrings for ;\n\n bytes32 private constant _TYPE_HASH =\n keccak256(\"EIP712Domain(string name,string version,uint256 chainId,address verifyingContract)\");\n\n // Cache the domain separator as an immutable value, but also store the chain id that it corresponds to, in order to\n // invalidate the cached domain separator if the chain id changes.\n bytes32 private immutable _cachedDomainSeparator;\n uint256 private immutable _cachedChainId;\n address private immutable _cachedThis;\n\n bytes32 private immutable _hashedName;\n bytes32 private immutable _hashedVersion;\n\n ShortString private immutable _name;\n ShortString private immutable _version;\n string private _nameFallback;\n string private _versionFallback;\n\n /*\n @dev Initializes the domain separator and parameter caches.\n \n The meaning of `name` and `version` is specified in\n * https://eips.ethereum.org/EIPS/eip-712#definition-of-domainseparator[EIP 712]:\n \n - `name`: the user readable name of the signing domain, i.e. the name of the DApp or the protocol.\n * - `version`: the current major version of the signing domain.\n \n NOTE: These parameters cannot be changed except through a xref:learn::upgrading-smart-contracts.adoc[smart\n * contract upgrade].\n /\n constructor(string memory name, string memory version) {\n _name = name.toShortStringWithFallback(_nameFallback);\n _version = version.toShortStringWithFallback(_versionFallback);\n _hashedName = keccak256(bytes(name));\n _hashedVersion = keccak256(bytes(version));\n\n _cachedChainId = block.chainid;\n _cachedDomainSeparator = _buildDomainSeparator();\n _cachedThis = address(this);\n }\n\n /\n @dev Returns the domain separator for the current chain.\n /\n function _domainSeparatorV4() internal view returns (bytes32) {\n if (address(this) == _cachedThis && block.chainid == _cachedChainId) {\n return _cachedDomainSeparator;\n } else {\n return _buildDomainSeparator();\n }\n }\n\n function _buildDomainSeparator() private view returns (bytes32) {\n return keccak256(abi.encode(_TYPE_HASH, _hashedName, _hashedVersion, block.chainid, address(this)));\n }\n\n /\n @dev Given an already https://eips.ethereum.org/EIPS/eip-712#definition-of-hashstruct[hashed struct], this\n * function returns the hash of the fully encoded EIP712 message for this domain.\n \n This hash can be used together with {ECDSA-recover} to obtain the signer of a message. For example:\n \n ```solidity\n * bytes32 digest = _hashTypedDataV4(keccak256(abi.encode(\n * keccak256(\"Mail(address to,string contents)\"),\n * mailTo,\n * keccak256(bytes(mailContents))\n * )));\n * address signer = ECDSA.recover(digest, signature);\n * ```\n /\n function _hashTypedDataV4(bytes32 structHash) internal view virtual returns (bytes32) {\n return ECDSA.toTypedDataHash(_domainSeparatorV4(), structHash);\n }\n\n /\n @dev See {EIP-5267}.\n \n _Available since v4.9._\n /\n function eip712Domain()\n public\n view\n virtual\n override\n returns (\n bytes1 fields,\n string memory name,\n string memory version,\n uint256 chainId,\n address verifyingContract,\n bytes32 salt,\n uint256[] memory extensions\n )\n {\n return (\n hex\"0f\", // 01111\n _name.toStringWithFallback(_nameFallback),\n _version.toStringWithFallback(_versionFallback),\n block.chainid,\n address(this),\n bytes32(0),\n new uint256[](0)\n );\n }\n}\n" }, "lib/openzeppelin-contracts/contracts/utils/cryptography/SignatureChecker.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.9.0) (utils/cryptography/SignatureChecker.sol)\n\npragma solidity ^0.8.0;\n\nimport \"./ECDSA.sol\";\nimport \"../../interfaces/IERC1271.sol\";\n\n/\n @dev Signature verification helper that can be used instead of `ECDSA.recover` to seamlessly support both ECDSA\n * signatures from externally owned accounts (EOAs) as well as ERC1271 signatures from smart contract wallets like\n * Argent and Gnosis Safe.\n \n _Available since v4.1._\n /\nlibrary SignatureChecker {\n /\n @dev Checks if a signature is valid for a given signer and data hash. If the signer is a smart contract, the\n * signature is validated against that smart contract using ERC1271, otherwise it's validated using `ECDSA.recover`.\n \n NOTE: Unlike ECDSA signatures, contract signatures are revocable, and the outcome of this function can thus\n * change through time. It could return true at block N and false at block N+1 (or the opposite).\n /\n function isValidSignatureNow(address signer, bytes32 hash, bytes memory signature) internal view returns (bool) {\n (address recovered, ECDSA.RecoverError error) = ECDSA.tryRecover(hash, signature);\n return\n (error == ECDSA.RecoverError.NoError && recovered == signer) \|\|\n isValidERC1271SignatureNow(signer, hash, signature);\n }\n\n /\n @dev Checks if a signature is valid for a given signer and data hash. The signature is validated\n * against the signer smart contract using ERC1271.\n \n NOTE: Unlike ECDSA signatures, contract signatures are revocable, and the outcome of this function can thus\n * change through time. It could return true at block N and false at block N+1 (or the opposite).\n /\n function isValidERC1271SignatureNow(\n address signer,\n bytes32 hash,\n bytes memory signature\n ) internal view returns (bool) {\n (bool success, bytes memory result) = signer.staticcall(\n abi.encodeWithSelector(IERC1271.isValidSignature.selector, hash, signature)\n );\n return (success &&\n result.length >= 32 &&\n abi.decode(result, (bytes32)) == bytes32(IERC1271.isValidSignature.selector));\n }\n}\n" }, "src/staking/SnapshotStakingPool.sol": { "content": "// SPDX-License-Identifier: Apache-2.0\npragma solidity ^0.8.0;\n\nimport {IERC20} from \"@openzeppelin/contracts/token/ERC20/IERC20.sol\";\nimport {ISnapshotStakingPool} from \"../interfaces/staking/ISnapshotStakingPool.sol\";\n\nimport {ERC20} from \"@openzeppelin/contracts/token/ERC20/ERC20.sol\";\nimport {ERC20Snapshot} from \"@openzeppelin/contracts/token/ERC20/extensions/ERC20Snapshot.sol\";\nimport {Ownable} from \"@openzeppelin/contracts/access/Ownable.sol\";\nimport {ReentrancyGuard} from \"@openzeppelin/contracts/security/ReentrancyGuard.sol\";\n\n/// @title SnapshotStakingPool\n/// @author Index Cooperative\n/// @notice A contract for staking `stakeToken` and receiving `rewardToken` based \n/// on snapshots taken when rewards are accrued. Snapshots are taken at a minimum\n/// interval of `snapshotDelay` seconds. Staking is not allowed `snapshotBuffer` \n/// seconds before a snapshot is taken. Rewards are distributed by the `distributor`.\ncontract SnapshotStakingPool is ISnapshotStakingPool, Ownable, ERC20Snapshot, ReentrancyGuard {\n\n / ERRORS /\n\n /// @notice Error when snapshot buffer is greater than snapshot delay\n error InvalidSnapshotBuffer(); \n /// @notice Error when snapshot delay is less than snapshot buffer\n error InvalidSnapshotDelay(); \n /// @notice Error when staking during snapshot buffer period\n error CannotStakeDuringBuffer();\n /// @notice Error when accrue is called by non-distributor\n error MustBeDistributor();\n /// @notice Error when trying to accrue zero rewards\n error CannotAccrueZero();\n /// @notice Error when trying to accrue rewards with zero staked supply\n error CannotAccrueWithZeroStakedSupply();\n /// @notice Error when trying to accrue rewards before snapshot delay\n error SnapshotDelayNotPassed();\n /// @notice Error when trying to claim rewards from past snapshots\n error CannotClaimFromPastSnapshots();\n /// @notice Error when snapshot id is invalid\n error InvalidSnapshotId();\n /// @notice Error when snapshot id does not exist\n error NonExistentSnapshotId();\n /// @notice Error when transfers are attempted\n error TransfersNotAllowed();\n\n / EVENTS /\n\n /// @notice Emitted when the reward distributor is changed.\n event DistributorChanged(address newDistributor);\n /// @notice Emitted when the snapshot buffer is changed.\n event SnapshotBufferChanged(uint256 newSnapshotBuffer);\n /// @notice Emitted when the snapshot delay is changed.\n event SnapshotDelayChanged(uint256 newSnapshotDelay);\n\n / IMMUTABLES /\n\n /// @inheritdoc ISnapshotStakingPool\n IERC20 public immutable rewardToken;\n /// @inheritdoc ISnapshotStakingPool\n IERC20 public immutable stakeToken;\n\n / STORAGE /\n\n /// @inheritdoc ISnapshotStakingPool\n address public distributor;\n /// @inheritdoc ISnapshotStakingPool\n mapping(address => uint256) public nextClaimId;\n /// @inheritdoc ISnapshotStakingPool\n uint256[] public rewardSnapshots;\n /// @inheritdoc ISnapshotStakingPool\n uint256 public snapshotBuffer;\n /// @inheritdoc ISnapshotStakingPool\n uint256 public snapshotDelay;\n /// @inheritdoc ISnapshotStakingPool\n uint256 public lastSnapshotTime;\n\n / CONSTRUCTOR /\n\n /// @param name Name of the staked token\n /// @param symbol Symbol of the staked token\n /// @param rewardToken_ Instance of the reward token\n /// @param stakeToken_ Instance of the stake token\n /// @param distributor_ Address of the distributor\n /// @param snapshotBuffer_ The buffer time before snapshots during which staking is not allowed\n /// @param snapshotDelay_ The minimum amount of time between snapshots\n constructor(\n string memory name,\n string memory symbol,\n IERC20 rewardToken_,\n IERC20 stakeToken_,\n address distributor_,\n uint256 snapshotBuffer_,\n uint256 snapshotDelay_\n )\n ERC20(name, symbol)\n {\n if (snapshotBuffer_ > snapshotDelay_) revert InvalidSnapshotBuffer();\n rewardToken = rewardToken_;\n stakeToken = stakeToken_;\n distributor = distributor_;\n snapshotBuffer = snapshotBuffer_;\n snapshotDelay = snapshotDelay_;\n lastSnapshotTime = block.timestamp;\n }\n\n / MODIFIERS /\n\n /// @dev Reverts if the caller is not the distributor.\n modifier onlyDistributor() {\n if (msg.sender != distributor) revert MustBeDistributor();\n _;\n }\n\n / STAKER FUNCTIONS /\n\n /// @inheritdoc ISnapshotStakingPool\n function stake(uint256 amount) external virtual nonReentrant {\n _stake(msg.sender, amount);\n }\n\n /// @inheritdoc ISnapshotStakingPool\n function unstake(uint256 amount) public nonReentrant {\n super._burn(msg.sender, amount);\n stakeToken.transfer(msg.sender, amount);\n }\n\n /// @inheritdoc ISnapshotStakingPool\n function accrue(uint256 amount) external nonReentrant onlyDistributor {\n if (amount == 0) revert CannotAccrueZero();\n if (totalSupply() == 0) revert CannotAccrueWithZeroStakedSupply();\n if (!canAccrue()) revert SnapshotDelayNotPassed();\n rewardToken.transferFrom(msg.sender, address(this), amount);\n lastSnapshotTime = block.timestamp;\n rewardSnapshots.push(amount);\n super._snapshot();\n }\n\n /// @inheritdoc ISnapshotStakingPool\n function claim() public nonReentrant {\n uint256 currentId = _getCurrentSnapshotId();\n uint256 lastId = nextClaimId[msg.sender];\n _claim(msg.sender, lastId, currentId);\n }\n\n /// @inheritdoc ISnapshotStakingPool\n function claimPartial(uint256 startSnapshotId, uint256 endSnapshotId) public nonReentrant {\n if (startSnapshotId < nextClaimId[msg.sender]) revert CannotClaimFromPastSnapshots();\n _claim(msg.sender, startSnapshotId, endSnapshotId);\n }\n\n / ADMIN FUNCTIONS /\n\n /// @inheritdoc ISnapshotStakingPool\n function setDistributor(address newDistributor) external onlyOwner {\n distributor = newDistributor;\n emit DistributorChanged(newDistributor);\n }\n\n /// @inheritdoc ISnapshotStakingPool\n function setSnapshotBuffer(uint256 newSnapshotBuffer) external onlyOwner {\n if (newSnapshotBuffer > snapshotDelay) revert InvalidSnapshotBuffer();\n snapshotBuffer = newSnapshotBuffer;\n emit SnapshotBufferChanged(newSnapshotBuffer);\n }\n\n /// @inheritdoc ISnapshotStakingPool\n function setSnapshotDelay(uint256 newSnapshotDelay) external onlyOwner {\n if (snapshotBuffer > newSnapshotDelay) revert InvalidSnapshotDelay();\n snapshotDelay = newSnapshotDelay;\n emit SnapshotDelayChanged(newSnapshotDelay);\n }\n\n / ERC20 OVERRIDES /\n\n /// @notice Prevents transfers of the staked token.\n function transfer(address /recipient/, uint256 /amount/) public pure override(ERC20, IERC20) returns (bool) {\n revert TransfersNotAllowed();\n }\n\n /// @notice Prevents transfers of the staked token.\n function transferFrom(address /sender/, address /recipient/, uint256 /amount/) public pure override(ERC20, IERC20) returns (bool) {\n revert TransfersNotAllowed();\n }\n\n / VIEW FUNCTIONS /\n\n /// @inheritdoc ISnapshotStakingPool\n function getCurrentSnapshotId() public view returns (uint256) {\n return _getCurrentSnapshotId();\n }\n\n /// @inheritdoc ISnapshotStakingPool\n function getPendingRewards(address account) public view returns (uint256) {\n uint256 currentId = _getCurrentSnapshotId();\n uint256 lastId = nextClaimId[account];\n if (lastId == 0 \|\| currentId == 0 \|\| lastId > currentId) return 0;\n return _rewardOfInRange(account, lastId, currentId);\n }\n\n /// @inheritdoc ISnapshotStakingPool\n function rewardOfInRange(address account, uint256 startSnapshotId, uint256 endSnapshotId) public view returns (uint256) {\n if (startSnapshotId == 0) revert InvalidSnapshotId();\n if (startSnapshotId > endSnapshotId \|\| endSnapshotId > _getCurrentSnapshotId()) revert NonExistentSnapshotId();\n return _rewardOfInRange(account, startSnapshotId, endSnapshotId);\n }\n\n /// @inheritdoc ISnapshotStakingPool\n function rewardOfAt(address account, uint256 snapshotId) public view virtual returns (uint256) {\n if (snapshotId == 0) revert InvalidSnapshotId();\n if (snapshotId > _getCurrentSnapshotId()) revert NonExistentSnapshotId();\n return _rewardOfAt(account, snapshotId);\n }\n\n /// @inheritdoc ISnapshotStakingPool\n function rewardAt(uint256 snapshotId) public view virtual returns (uint256) {\n if (snapshotId == 0) revert InvalidSnapshotId();\n if (snapshotId > _getCurrentSnapshotId()) revert NonExistentSnapshotId();\n return _rewardAt(snapshotId);\n }\n\n /// @inheritdoc ISnapshotStakingPool\n function getRewardSnapshots() external view returns(uint256[] memory) {\n return rewardSnapshots;\n }\n\n /// @inheritdoc ISnapshotStakingPool\n function getLifetimeRewards(address account) public view returns (uint256) {\n uint256 currentId = _getCurrentSnapshotId();\n if (nextClaimId[account] == 0 \|\| currentId == 0) return 0;\n return _rewardOfInRange(account, 1, currentId);\n }\n\n /// @inheritdoc ISnapshotStakingPool\n function canAccrue() public view returns (bool) {\n return block.timestamp >= getNextSnapshotTime();\n }\n\n /// @inheritdoc ISnapshotStakingPool\n function getTimeUntilNextSnapshot() public view returns (uint256) {\n if (canAccrue()) {\n return 0;\n }\n return getNextSnapshotTime() - block.timestamp;\n }\n\n /// @inheritdoc ISnapshotStakingPool\n function getNextSnapshotTime() public view returns (uint256) {\n return lastSnapshotTime + snapshotDelay;\n }\n\n /// @inheritdoc ISnapshotStakingPool\n function canStake() public view returns (bool) {\n return block.timestamp < getNextSnapshotBufferTime();\n }\n\n /// @inheritdoc ISnapshotStakingPool\n function getTimeUntilNextSnapshotBuffer() public view returns (uint256) {\n if (!canStake()) {\n return 0;\n }\n return getNextSnapshotBufferTime() - block.timestamp;\n }\n\n /// @inheritdoc ISnapshotStakingPool\n function getNextSnapshotBufferTime() public view returns (uint256) {\n return getNextSnapshotTime() - snapshotBuffer;\n }\n\n / INTERNAL FUNCTIONS /\n\n function _stake(address account, uint256 amount) internal {\n if (!canStake()) revert CannotStakeDuringBuffer();\n if (nextClaimId[account] == 0) {\n uint256 currentId = _getCurrentSnapshotId();\n nextClaimId[account] = currentId > 0 ? currentId : 1;\n }\n stakeToken.transferFrom(account, address(this), amount);\n super._mint(msg.sender, amount);\n }\n\n function _claim(address account, uint256 startSnapshotId, uint256 endSnapshotId) internal {\n uint256 amount = rewardOfInRange(account, startSnapshotId, endSnapshotId);\n nextClaimId[account] = endSnapshotId + 1;\n rewardToken.transfer(account, amount);\n }\n\n function _rewardAt(uint256 snapshotId) internal view returns (uint256) {\n return rewardSnapshots[snapshotId - 1];\n }\n\n function _rewardOfAt(address account, uint256 snapshotId) internal view returns (uint256) {\n return _rewardAt(snapshotId) balanceOfAt(account, snapshotId) / totalSupplyAt(snapshotId);\n }\n\n function _rewardOfInRange(address account, uint256 startSnapshotId, uint256 endSnapshotId) internal view returns (uint256) {\n uint256 rewards = 0;\n for (uint256 i = startSnapshotId; i <= endSnapshotId; i++) {\n rewards += _rewardOfAt(account, i);\n }\n return rewards;\n }\n}\n" }, "src/interfaces/staking/ISnapshotStakingPool.sol": { "content": "// SPDX-License-Identifier: Apache-2.0\npragma solidity ^0.8.0;\n\nimport {IERC20} from \"@openzeppelin/contracts/token/ERC20/IERC20.sol\";\n\ninterface ISnapshotStakingPool is IERC20 {\n\n /// @notice Token to be distributed as rewards\n function rewardToken() external view returns (IERC20);\n\n /// @notice Token to be staked\n function stakeToken() external view returns (IERC20);\n\n /// @notice Distributor of rewards\n function distributor() external view returns (address);\n\n /// @notice The buffer time before snapshots during which staking is not allowed\n function snapshotBuffer() external view returns (uint256);\n\n /// @notice The minimum amount of time between snapshots\n function snapshotDelay() external view returns (uint256);\n\n /// @notice Last snapshot time\n function lastSnapshotTime() external view returns (uint256);\n\n /// @notice Next snapshot id for `account` to claim\n function nextClaimId(address account) external view returns (uint256);\n\n /// @notice Reward snapshot at `snapshotId`\n function rewardSnapshots(uint256) external view returns (uint256);\n\n /// @notice Get the reward snapshots\n function getRewardSnapshots() external view returns (uint256[] memory);\n\n /// @notice Stake `amount` of stakeToken from `msg.sender` and mint staked tokens.\n /// @param amount The amount of stakeToken to stake\n function stake(uint256 amount) external;\n\n /// @notice Unstake `amount` of stakeToken by `msg.sender`.\n /// @param amount The amount of stakeToken to unstake\n function unstake(uint256 amount) external;\n\n /// @notice ONLY DISTRIBUTOR: Accrue rewardToken and update snapshot.\n /// @param amount The amount of rewardToken to accrue\n function accrue(uint256 amount) external;\n\n /// @notice Claim the staking rewards from pending snapshots for `msg.sender`.\n function claim() external;\n\n /// @notice Claim partial staking rewards from pending snapshots for `msg.sender` from `_startClaimId` to `_endClaimId`.\n /// @param startSnapshotId The snapshot id to start the partial claim\n /// @param endSnapshotId The snapshot id to end the partial claim\n function claimPartial(uint256 startSnapshotId, uint256 endSnapshotId) external;\n\n /// @notice ONLY OWNER: Update the distributor address.\n /// @param newDistributor The new distributor address\n function setDistributor(address newDistributor) external;\n\n /// @notice ONLY OWNER: Update the snapshot buffer.\n /// @param newSnapshotBuffer The new snapshot buffer\n function setSnapshotBuffer(uint256 newSnapshotBuffer) external;\n\n /// @notice ONLY OWNER: Update the snapshot delay. Can set to 0 to disable snapshot delay.\n /// @param newSnapshotDelay The new snapshot delay\n function setSnapshotDelay(uint256 newSnapshotDelay) external;\n\n /// @notice Get the current snapshot id.\n /// @return The current snapshot id\n function getCurrentSnapshotId() external view returns (uint256);\n\n /// @notice Retrieves the rewards pending to be claimed by `account`.\n /// @param account The account to retrieve pending rewards for\n /// @return The rewards pending to be claimed by `account`\n function getPendingRewards(address account) external view returns (uint256);\n\n /// @notice Retrives the rewards of `account` in the range of `startSnapshotId` to `endSnapshotId`.\n /// @param account The account to retrieve rewards for\n /// @param startSnapshotId The start snapshot id\n /// @param endSnapshotId The end snapshot id\n /// @return The rewards of `account` in the range of `startSnapshotId` to `endSnapshotId`\n function rewardOfInRange(address account, uint256 startSnapshotId, uint256 endSnapshotId) external view returns (uint256);\n\n /// @notice Retrieves the rewards of `account` at the `snapshotId`.\n /// @param account The account to retrieve rewards for\n /// @param snapshotId The snapshot id\n /// @return The rewards of `account` at the `snapshotId`\n function rewardOfAt(address account, uint256 snapshotId) external view returns (uint256);\n\n /// @notice Retrieves the total pool reward at the time `snapshotId`.\n /// @param snapshotId The snapshot id\n /// @return The total pool reward at the time `snapshotId`\n function rewardAt(uint256 snapshotId) external view returns (uint256);\n\n /// @notice Retrieves the rewards across all snapshots for `account`.\n /// @param account The account to retrieve rewards for\n /// @return The rewards across all snapshots for `account`\n function getLifetimeRewards(address account) external view returns (uint256);\n\n /// @notice Check if rewards can be accrued.\n /// @return Boolean indicating if rewards can be accrued\n function canAccrue() external view returns (bool);\n\n /// @notice Get the time until the next snapshot.\n /// @return The time until the next snapshot\n function getTimeUntilNextSnapshot() external view returns (uint256);\n\n /// @notice Get the next snapshot time.\n /// @return The next snapshot time\n function getNextSnapshotTime() external view returns (uint256);\n\n /// @notice Check if staking is allowed.\n /// @return Boolean indicating if staking is allowed\n function canStake() external view returns (bool);\n\n /// @notice Get the time until the next snapshot buffer begins.\n /// @return The time until the next snapshot buffer begins\n function getTimeUntilNextSnapshotBuffer() external view returns (uint256);\n\n /// @notice Get the next snapshot buffer time.\n /// @return The next snapshot buffer time\n function getNextSnapshotBufferTime() external view returns (uint256);\n}\n" }, "lib/openzeppelin-contracts/contracts/utils/cryptography/ECDSA.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.9.0) (utils/cryptography/ECDSA.sol)\n\npragma solidity ^0.8.0;\n\nimport \"../Strings.sol\";\n\n/*\n @dev Elliptic Curve Digital Signature Algorithm (ECDSA) operations.\n \n These functions can be used to verify that a message was signed by the holder\n * of the private keys of a given address.\n /\nlibrary ECDSA {\n enum RecoverError {\n NoError,\n InvalidSignature,\n InvalidSignatureLength,\n InvalidSignatureS,\n InvalidSignatureV // Deprecated in v4.8\n }\n\n function _throwError(RecoverError error) private pure {\n if (error == RecoverError.NoError) {\n return; // no error: do nothing\n } else if (error == RecoverError.InvalidSignature) {\n revert(\"ECDSA: invalid signature\");\n } else if (error == RecoverError.InvalidSignatureLength) {\n revert(\"ECDSA: invalid signature length\");\n } else if (error == RecoverError.InvalidSignatureS) {\n revert(\"ECDSA: invalid signature 's' value\");\n }\n }\n\n /\n @dev Returns the address that signed a hashed message (`hash`) with\n * `signature` or error string. This address can then be used for verification purposes.\n \n The `ecrecover` EVM opcode allows for malleable (non-unique) signatures:\n * this function rejects them by requiring the `s` value to be in the lower\n * half order, and the `v` value to be either 27 or 28.\n \n IMPORTANT: `hash` _must_ be the result of a hash operation for the\n * verification to be secure: it is possible to craft signatures that\n * recover to arbitrary addresses for non-hashed data. A safe way to ensure\n * this is by receiving a hash of the original message (which may otherwise\n * be too long), and then calling {toEthSignedMessageHash} on it.\n \n Documentation for signature generation:\n * - with https://web3js.readthedocs.io/en/v1.3.4/web3-eth-accounts.html#sign[Web3.js]\n * - with https://docs.ethers.io/v5/api/signer/#Signer-signMessage[ethers]\n \n _Available since v4.3._\n /\n function tryRecover(bytes32 hash, bytes memory signature) internal pure returns (address, RecoverError) {\n if (signature.length == 65) {\n bytes32 r;\n bytes32 s;\n uint8 v;\n // ecrecover takes the signature parameters, and the only way to get them\n // currently is to use assembly.\n /// @solidity memory-safe-assembly\n assembly {\n r := mload(add(signature, 0x20))\n s := mload(add(signature, 0x40))\n v := byte(0, mload(add(signature, 0x60)))\n }\n return tryRecover(hash, v, r, s);\n } else {\n return (address(0), RecoverError.InvalidSignatureLength);\n }\n }\n\n /\n @dev Returns the address that signed a hashed message (`hash`) with\n * `signature`. This address can then be used for verification purposes.\n \n The `ecrecover` EVM opcode allows for malleable (non-unique) signatures:\n * this function rejects them by requiring the `s` value to be in the lower\n * half order, and the `v` value to be either 27 or 28.\n \n IMPORTANT: `hash` _must_ be the result of a hash operation for the\n * verification to be secure: it is possible to craft signatures that\n * recover to arbitrary addresses for non-hashed data. A safe way to ensure\n * this is by receiving a hash of the original message (which may otherwise\n * be too long), and then calling {toEthSignedMessageHash} on it.\n /\n function recover(bytes32 hash, bytes memory signature) internal pure returns (address) {\n (address recovered, RecoverError error) = tryRecover(hash, signature);\n _throwError(error);\n return recovered;\n }\n\n /\n @dev Overload of {ECDSA-tryRecover} that receives the `r` and `vs` short-signature fields separately.\n \n See https://eips.ethereum.org/EIPS/eip-2098[EIP-2098 short signatures]\n \n _Available since v4.3._\n /\n function tryRecover(bytes32 hash, bytes32 r, bytes32 vs) internal pure returns (address, RecoverError) {\n bytes32 s = vs & bytes32(0x7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff);\n uint8 v = uint8((uint256(vs) >> 255) + 27);\n return tryRecover(hash, v, r, s);\n }\n\n /\n @dev Overload of {ECDSA-recover} that receives the `r and `vs` short-signature fields separately.\n \n _Available since v4.2._\n /\n function recover(bytes32 hash, bytes32 r, bytes32 vs) internal pure returns (address) {\n (address recovered, RecoverError error) = tryRecover(hash, r, vs);\n _throwError(error);\n return recovered;\n }\n\n /\n @dev Overload of {ECDSA-tryRecover} that receives the `v`,\n * `r` and `s` signature fields separately.\n \n _Available since v4.3._\n /\n function tryRecover(bytes32 hash, uint8 v, bytes32 r, bytes32 s) internal pure returns (address, RecoverError) {\n // EIP-2 still allows signature malleability for ecrecover(). Remove this possibility and make the signature\n // unique. Appendix F in the Ethereum Yellow paper (https://ethereum.github.io/yellowpaper/paper.pdf), defines\n // the valid range for s in (301): 0 < s < secp256k1n ÷ 2 + 1, and for v in (302): v ∈ {27, 28}. Most\n // signatures from current libraries generate a unique signature with an s-value in the lower half order.\n //\n // If your library generates malleable signatures, such as s-values in the upper range, calculate a new s-value\n // with 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEBAAEDCE6AF48A03BBFD25E8CD0364141 - s1 and flip v from 27 to 28 or\n // vice versa. If your library also generates signatures with 0/1 for v instead 27/28, add 27 to v to accept\n // these malleable signatures as well.\n if (uint256(s) > 0x7FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF5D576E7357A4501DDFE92F46681B20A0) {\n return (address(0), RecoverError.InvalidSignatureS);\n }\n\n // If the signature is valid (and not malleable), return the signer address\n address signer = ecrecover(hash, v, r, s);\n if (signer == address(0)) {\n return (address(0), RecoverError.InvalidSignature);\n }\n\n return (signer, RecoverError.NoError);\n }\n\n /\n @dev Overload of {ECDSA-recover} that receives the `v`,\n * `r` and `s` signature fields separately.\n /\n function recover(bytes32 hash, uint8 v, bytes32 r, bytes32 s) internal pure returns (address) {\n (address recovered, RecoverError error) = tryRecover(hash, v, r, s);\n _throwError(error);\n return recovered;\n }\n\n /\n @dev Returns an Ethereum Signed Message, created from a `hash`. This\n * produces hash corresponding to the one signed with the\n * https://eth.wiki/json-rpc/API#eth_sign[`eth_sign`]\n * JSON-RPC method as part of EIP-191.\n \n See {recover}.\n /\n function toEthSignedMessageHash(bytes32 hash) internal pure returns (bytes32 message) {\n // 32 is the length in bytes of hash,\n // enforced by the type signature above\n /// @solidity memory-safe-assembly\n assembly {\n mstore(0x00, \"\\x19Ethereum Signed Message:\\n32\")\n mstore(0x1c, hash)\n message := keccak256(0x00, 0x3c)\n }\n }\n\n /\n @dev Returns an Ethereum Signed Message, created from `s`. This\n * produces hash corresponding to the one signed with the\n * https://eth.wiki/json-rpc/API#eth_sign[`eth_sign`]\n * JSON-RPC method as part of EIP-191.\n \n See {recover}.\n /\n function toEthSignedMessageHash(bytes memory s) internal pure returns (bytes32) {\n return keccak256(abi.encodePacked(\"\\x19Ethereum Signed Message:\\n\", Strings.toString(s.length), s));\n }\n\n /\n @dev Returns an Ethereum Signed Typed Data, created from a\n * `domainSeparator` and a `structHash`. This produces hash corresponding\n * to the one signed with the\n * https://eips.ethereum.org/EIPS/eip-712[`eth_signTypedData`]\n * JSON-RPC method as part of EIP-712.\n \n See {recover}.\n /\n function toTypedDataHash(bytes32 domainSeparator, bytes32 structHash) internal pure returns (bytes32 data) {\n /// @solidity memory-safe-assembly\n assembly {\n let ptr := mload(0x40)\n mstore(ptr, \"\\x19\\x01\")\n mstore(add(ptr, 0x02), domainSeparator)\n mstore(add(ptr, 0x22), structHash)\n data := keccak256(ptr, 0x42)\n }\n }\n\n /\n @dev Returns an Ethereum Signed Data with intended validator, created from a\n * `validator` and `data` according to the version 0 of EIP-191.\n \n See {recover}.\n /\n function toDataWithIntendedValidatorHash(address validator, bytes memory data) internal pure returns (bytes32) {\n return keccak256(abi.encodePacked(\"\\x19\\x00\", validator, data));\n }\n}\n" }, "lib/openzeppelin-contracts/contracts/utils/ShortStrings.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.9.0) (utils/ShortStrings.sol)\n\npragma solidity ^0.8.8;\n\nimport \"./StorageSlot.sol\";\n\n// \| string \| 0xAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA \|\n// \| length \| 0x BB \|\ntype ShortString is bytes32;\n\n/\n @dev This library provides functions to convert short memory strings\n * into a `ShortString` type that can be used as an immutable variable.\n \n Strings of arbitrary length can be optimized using this library if\n * they are short enough (up to 31 bytes) by packing them with their\n * length (1 byte) in a single EVM word (32 bytes). Additionally, a\n * fallback mechanism can be used for every other case.\n \n Usage example:\n \n ```solidity\n * contract Named {\n * using ShortStrings for ;\n \n * ShortString private immutable _name;\n * string private _nameFallback;\n \n constructor(string memory contractName) {\n * _name = contractName.toShortStringWithFallback(_nameFallback);\n * }\n \n function name() external view returns (string memory) {\n * return _name.toStringWithFallback(_nameFallback);\n * }\n * }\n * ```\n /\nlibrary ShortStrings {\n // Used as an identifier for strings longer than 31 bytes.\n bytes32 private constant _FALLBACK_SENTINEL = 0x00000000000000000000000000000000000000000000000000000000000000FF;\n\n error StringTooLong(string str);\n error InvalidShortString();\n\n /\n @dev Encode a string of at most 31 chars into a `ShortString`.\n \n This will trigger a `StringTooLong` error is the input string is too long.\n /\n function toShortString(string memory str) internal pure returns (ShortString) {\n bytes memory bstr = bytes(str);\n if (bstr.length > 31) {\n revert StringTooLong(str);\n }\n return ShortString.wrap(bytes32(uint256(bytes32(bstr)) \| bstr.length));\n }\n\n /\n @dev Decode a `ShortString` back to a \"normal\" string.\n /\n function toString(ShortString sstr) internal pure returns (string memory) {\n uint256 len = byteLength(sstr);\n // using `new string(len)` would work locally but is not memory safe.\n string memory str = new string(32);\n /// @solidity memory-safe-assembly\n assembly {\n mstore(str, len)\n mstore(add(str, 0x20), sstr)\n }\n return str;\n }\n\n /\n @dev Return the length of a `ShortString`.\n /\n function byteLength(ShortString sstr) internal pure returns (uint256) {\n uint256 result = uint256(ShortString.unwrap(sstr)) & 0xFF;\n if (result > 31) {\n revert InvalidShortString();\n }\n return result;\n }\n\n /\n @dev Encode a string into a `ShortString`, or write it to storage if it is too long.\n /\n function toShortStringWithFallback(string memory value, string storage store) internal returns (ShortString) {\n if (bytes(value).length < 32) {\n return toShortString(value);\n } else {\n StorageSlot.getStringSlot(store).value = value;\n return ShortString.wrap(_FALLBACK_SENTINEL);\n }\n }\n\n /\n @dev Decode a string that was encoded to `ShortString` or written to storage using {setWithFallback}.\n /\n function toStringWithFallback(ShortString value, string storage store) internal pure returns (string memory) {\n if (ShortString.unwrap(value) != _FALLBACK_SENTINEL) {\n return toString(value);\n } else {\n return store;\n }\n }\n\n /\n @dev Return the length of a string that was encoded to `ShortString` or written to storage using {setWithFallback}.\n \n WARNING: This will return the \"byte length\" of the string. This may not reflect the actual length in terms of\n * actual characters as the UTF-8 encoding of a single character can span over multiple bytes.\n /\n function byteLengthWithFallback(ShortString value, string storage store) internal view returns (uint256) {\n if (ShortString.unwrap(value) != _FALLBACK_SENTINEL) {\n return byteLength(value);\n } else {\n return bytes(store).length;\n }\n }\n}\n" }, "lib/openzeppelin-contracts/contracts/interfaces/IERC5267.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.9.0) (interfaces/IERC5267.sol)\n\npragma solidity ^0.8.0;\n\ninterface IERC5267 {\n /\n @dev MAY be emitted to signal that the domain could have changed.\n /\n event EIP712DomainChanged();\n\n /\n @dev returns the fields and values that describe the domain separator used by this contract for EIP-712\n * signature.\n /\n function eip712Domain()\n external\n view\n returns (\n bytes1 fields,\n string memory name,\n string memory version,\n uint256 chainId,\n address verifyingContract,\n bytes32 salt,\n uint256[] memory extensions\n );\n}\n" }, "lib/openzeppelin-contracts/contracts/interfaces/IERC1271.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (interfaces/IERC1271.sol)\n\npragma solidity ^0.8.0;\n\n/\n @dev Interface of the ERC1271 standard signature validation method for\n * contracts as defined in https://eips.ethereum.org/EIPS/eip-1271[ERC-1271].\n \n _Available since v4.1._\n /\ninterface IERC1271 {\n /\n @dev Should return whether the signature provided is valid for the provided data\n * @param hash Hash of the data to be signed\n * @param signature Signature byte array associated with _data\n /\n function isValidSignature(bytes32 hash, bytes memory signature) external view returns (bytes4 magicValue);\n}\n" }, "lib/openzeppelin-contracts/contracts/token/ERC20/ERC20.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.9.0) (token/ERC20/ERC20.sol)\n\npragma solidity ^0.8.0;\n\nimport \"./IERC20.sol\";\nimport \"./extensions/IERC20Metadata.sol\";\nimport \"../../utils/Context.sol\";\n\n/\n @dev Implementation of the {IERC20} interface.\n \n This implementation is agnostic to the way tokens are created. This means\n * that a supply mechanism has to be added in a derived contract using {_mint}.\n * For a generic mechanism see {ERC20PresetMinterPauser}.\n \n TIP: For a detailed writeup see our guide\n * https://forum.openzeppelin.com/t/how-to-implement-erc20-supply-mechanisms/226[How\n * to implement supply mechanisms].\n \n The default value of {decimals} is 18. To change this, you should override\n * this function so it returns a different value.\n \n We have followed general OpenZeppelin Contracts guidelines: functions revert\n * instead returning `false` on failure. This behavior is nonetheless\n * conventional and does not conflict with the expectations of ERC20\n * applications.\n \n Additionally, an {Approval} event is emitted on calls to {transferFrom}.\n * This allows applications to reconstruct the allowance for all accounts just\n * by listening to said events. Other implementations of the EIP may not emit\n * these events, as it isn't required by the specification.\n \n Finally, the non-standard {decreaseAllowance} and {increaseAllowance}\n * functions have been added to mitigate the well-known issues around setting\n * allowances. See {IERC20-approve}.\n /\ncontract ERC20 is Context, IERC20, IERC20Metadata {\n mapping(address => uint256) private _balances;\n\n mapping(address => mapping(address => uint256)) private _allowances;\n\n uint256 private _totalSupply;\n\n string private _name;\n string private _symbol;\n\n /\n @dev Sets the values for {name} and {symbol}.\n \n All two of these values are immutable: they can only be set once during\n * construction.\n /\n constructor(string memory name_, string memory symbol_) {\n _name = name_;\n _symbol = symbol_;\n }\n\n /\n @dev Returns the name of the token.\n /\n function name() public view virtual override returns (string memory) {\n return _name;\n }\n\n /\n @dev Returns the symbol of the token, usually a shorter version of the\n * name.\n /\n function symbol() public view virtual override returns (string memory) {\n return _symbol;\n }\n\n /\n @dev Returns the number of decimals used to get its user representation.\n * For example, if `decimals` equals `2`, a balance of `505` tokens should\n * be displayed to a user as `5.05` (`505 / 10 ** 2`).\n \n Tokens usually opt for a value of 18, imitating the relationship between\n * Ether and Wei. This is the default value returned by this function, unless\n * it's overridden.\n \n NOTE: This information is only used for _display_ purposes: it in\n * no way affects any of the arithmetic of the contract, including\n * {IERC20-balanceOf} and {IERC20-transfer}.\n /\n function decimals() public view virtual override returns (uint8) {\n return 18;\n }\n\n /\n @dev See {IERC20-totalSupply}.\n /\n function totalSupply() public view virtual override returns (uint256) {\n return _totalSupply;\n }\n\n /\n @dev See {IERC20-balanceOf}.\n /\n function balanceOf(address account) public view virtual override returns (uint256) {\n return _balances[account];\n }\n\n /\n @dev See {IERC20-transfer}.\n \n Requirements:\n \n - `to` cannot be the zero address.\n * - the caller must have a balance of at least `amount`.\n /\n function transfer(address to, uint256 amount) public virtual override returns (bool) {\n address owner = _msgSender();\n _transfer(owner, to, amount);\n return true;\n }\n\n /\n @dev See {IERC20-allowance}.\n /\n function allowance(address owner, address spender) public view virtual override returns (uint256) {\n return _allowances[owner][spender];\n }\n\n /\n @dev See {IERC20-approve}.\n \n NOTE: If `amount` is the maximum `uint256`, the allowance is not updated on\n * `transferFrom`. This is semantically equivalent to an infinite approval.\n \n Requirements:\n \n - `spender` cannot be the zero address.\n /\n function approve(address spender, uint256 amount) public virtual override returns (bool) {\n address owner = _msgSender();\n _approve(owner, spender, amount);\n return true;\n }\n\n /\n @dev See {IERC20-transferFrom}.\n \n Emits an {Approval} event indicating the updated allowance. This is not\n * required by the EIP. See the note at the beginning of {ERC20}.\n \n NOTE: Does not update the allowance if the current allowance\n * is the maximum `uint256`.\n \n Requirements:\n \n - `from` and `to` cannot be the zero address.\n * - `from` must have a balance of at least `amount`.\n * - the caller must have allowance for ``from``'s tokens of at least\n * `amount`.\n /\n function transferFrom(address from, address to, uint256 amount) public virtual override returns (bool) {\n address spender = _msgSender();\n _spendAllowance(from, spender, amount);\n _transfer(from, to, amount);\n return true;\n }\n\n /\n @dev Atomically increases the allowance granted to `spender` by the caller.\n \n This is an alternative to {approve} that can be used as a mitigation for\n * problems described in {IERC20-approve}.\n \n Emits an {Approval} event indicating the updated allowance.\n \n Requirements:\n \n - `spender` cannot be the zero address.\n /\n function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {\n address owner = _msgSender();\n _approve(owner, spender, allowance(owner, spender) + addedValue);\n return true;\n }\n\n /\n @dev Atomically decreases the allowance granted to `spender` by the caller.\n \n This is an alternative to {approve} that can be used as a mitigation for\n * problems described in {IERC20-approve}.\n \n Emits an {Approval} event indicating the updated allowance.\n \n Requirements:\n \n - `spender` cannot be the zero address.\n * - `spender` must have allowance for the caller of at least\n * `subtractedValue`.\n /\n function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {\n address owner = _msgSender();\n uint256 currentAllowance = allowance(owner, spender);\n require(currentAllowance >= subtractedValue, \"ERC20: decreased allowance below zero\");\n unchecked {\n _approve(owner, spender, currentAllowance - subtractedValue);\n }\n\n return true;\n }\n\n /\n @dev Moves `amount` of tokens from `from` to `to`.\n \n This internal function is equivalent to {transfer}, and can be used to\n * e.g. implement automatic token fees, slashing mechanisms, etc.\n \n Emits a {Transfer} event.\n \n Requirements:\n \n - `from` cannot be the zero address.\n * - `to` cannot be the zero address.\n * - `from` must have a balance of at least `amount`.\n /\n function _transfer(address from, address to, uint256 amount) internal virtual {\n require(from != address(0), \"ERC20: transfer from the zero address\");\n require(to != address(0), \"ERC20: transfer to the zero address\");\n\n _beforeTokenTransfer(from, to, amount);\n\n uint256 fromBalance = _balances[from];\n require(fromBalance >= amount, \"ERC20: transfer amount exceeds balance\");\n unchecked {\n _balances[from] = fromBalance - amount;\n // Overflow not possible: the sum of all balances is capped by totalSupply, and the sum is preserved by\n // decrementing then incrementing.\n _balances[to] += amount;\n }\n\n emit Transfer(from, to, amount);\n\n _afterTokenTransfer(from, to, amount);\n }\n\n /* @dev Creates `amount` tokens and assigns them to `account`, increasing\n * the total supply.\n \n Emits a {Transfer} event with `from` set to the zero address.\n \n Requirements:\n \n - `account` cannot be the zero address.\n /\n function _mint(address account, uint256 amount) internal virtual {\n require(account != address(0), \"ERC20: mint to the zero address\");\n\n _beforeTokenTransfer(address(0), account, amount);\n\n _totalSupply += amount;\n unchecked {\n // Overflow not possible: balance + amount is at most totalSupply + amount, which is checked above.\n _balances[account] += amount;\n }\n emit Transfer(address(0), account, amount);\n\n _afterTokenTransfer(address(0), account, amount);\n }\n\n /\n @dev Destroys `amount` tokens from `account`, reducing the\n * total supply.\n \n Emits a {Transfer} event with `to` set to the zero address.\n \n Requirements:\n \n - `account` cannot be the zero address.\n * - `account` must have at least `amount` tokens.\n /\n function _burn(address account, uint256 amount) internal virtual {\n require(account != address(0), \"ERC20: burn from the zero address\");\n\n _beforeTokenTransfer(account, address(0), amount);\n\n uint256 accountBalance = _balances[account];\n require(accountBalance >= amount, \"ERC20: burn amount exceeds balance\");\n unchecked {\n _balances[account] = accountBalance - amount;\n // Overflow not possible: amount <= accountBalance <= totalSupply.\n _totalSupply -= amount;\n }\n\n emit Transfer(account, address(0), amount);\n\n _afterTokenTransfer(account, address(0), amount);\n }\n\n /\n @dev Sets `amount` as the allowance of `spender` over the `owner` s tokens.\n \n This internal function is equivalent to `approve`, and can be used to\n * e.g. set automatic allowances for certain subsystems, etc.\n \n Emits an {Approval} event.\n \n Requirements:\n \n - `owner` cannot be the zero address.\n * - `spender` cannot be the zero address.\n /\n function _approve(address owner, address spender, uint256 amount) internal virtual {\n require(owner != address(0), \"ERC20: approve from the zero address\");\n require(spender != address(0), \"ERC20: approve to the zero address\");\n\n _allowances[owner][spender] = amount;\n emit Approval(owner, spender, amount);\n }\n\n /\n @dev Updates `owner` s allowance for `spender` based on spent `amount`.\n \n Does not update the allowance amount in case of infinite allowance.\n * Revert if not enough allowance is available.\n \n Might emit an {Approval} event.\n /\n function _spendAllowance(address owner, address spender, uint256 amount) internal virtual {\n uint256 currentAllowance = allowance(owner, spender);\n if (currentAllowance != type(uint256).max) {\n require(currentAllowance >= amount, \"ERC20: insufficient allowance\");\n unchecked {\n _approve(owner, spender, currentAllowance - amount);\n }\n }\n }\n\n /\n @dev Hook that is called before any transfer of tokens. This includes\n * minting and burning.\n \n Calling conditions:\n \n - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens\n * will be transferred to `to`.\n * - when `from` is zero, `amount` tokens will be minted for `to`.\n * - when `to` is zero, `amount` of ``from``'s tokens will be burned.\n * - `from` and `to` are never both zero.\n \n To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].\n /\n function _beforeTokenTransfer(address from, address to, uint256 amount) internal virtual {}\n\n /\n @dev Hook that is called after any transfer of tokens. This includes\n * minting and burning.\n \n Calling conditions:\n \n - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens\n * has been transferred to `to`.\n * - when `from` is zero, `amount` tokens have been minted for `to`.\n * - when `to` is zero, `amount` of ``from``'s tokens have been burned.\n * - `from` and `to` are never both zero.\n \n To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].\n /\n function _afterTokenTransfer(address from, address to, uint256 amount) internal virtual {}\n}\n" }, "lib/openzeppelin-contracts/contracts/token/ERC20/extensions/ERC20Snapshot.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.9.0) (token/ERC20/extensions/ERC20Snapshot.sol)\n\npragma solidity ^0.8.0;\n\nimport \"../ERC20.sol\";\nimport \"../../../utils/Arrays.sol\";\nimport \"../../../utils/Counters.sol\";\n\n/\n @dev This contract extends an ERC20 token with a snapshot mechanism. When a snapshot is created, the balances and\n * total supply at the time are recorded for later access.\n \n This can be used to safely create mechanisms based on token balances such as trustless dividends or weighted voting.\n * In naive implementations it's possible to perform a \"double spend\" attack by reusing the same balance from different\n * accounts. By using snapshots to calculate dividends or voting power, those attacks no longer apply. It can also be\n * used to create an efficient ERC20 forking mechanism.\n \n Snapshots are created by the internal {_snapshot} function, which will emit the {Snapshot} event and return a\n * snapshot id. To get the total supply at the time of a snapshot, call the function {totalSupplyAt} with the snapshot\n * id. To get the balance of an account at the time of a snapshot, call the {balanceOfAt} function with the snapshot id\n * and the account address.\n \n NOTE: Snapshot policy can be customized by overriding the {_getCurrentSnapshotId} method. For example, having it\n * return `block.number` will trigger the creation of snapshot at the beginning of each new block. When overriding this\n * function, be careful about the monotonicity of its result. Non-monotonic snapshot ids will break the contract.\n \n Implementing snapshots for every block using this method will incur significant gas costs. For a gas-efficient\n * alternative consider {ERC20Votes}.\n \n ==== Gas Costs\n \n Snapshots are efficient. Snapshot creation is _O(1)_. Retrieval of balances or total supply from a snapshot is _O(log\n * n)_ in the number of snapshots that have been created, although _n_ for a specific account will generally be much\n * smaller since identical balances in subsequent snapshots are stored as a single entry.\n \n There is a constant overhead for normal ERC20 transfers due to the additional snapshot bookkeeping. This overhead is\n * only significant for the first transfer that immediately follows a snapshot for a particular account. Subsequent\n * transfers will have normal cost until the next snapshot, and so on.\n /\n\nabstract contract ERC20Snapshot is ERC20 {\n // Inspired by Jordi Baylina's MiniMeToken to record historical balances:\n // https://github.com/Giveth/minime/blob/ea04d950eea153a04c51fa510b068b9dded390cb/contracts/MiniMeToken.sol\n\n using Arrays for uint256[];\n using Counters for Counters.Counter;\n\n // Snapshotted values have arrays of ids and the value corresponding to that id. These could be an array of a\n // Snapshot struct, but that would impede usage of functions that work on an array.\n struct Snapshots {\n uint256[] ids;\n uint256[] values;\n }\n\n mapping(address => Snapshots) private _accountBalanceSnapshots;\n Snapshots private _totalSupplySnapshots;\n\n // Snapshot ids increase monotonically, with the first value being 1. An id of 0 is invalid.\n Counters.Counter private _currentSnapshotId;\n\n /\n @dev Emitted by {_snapshot} when a snapshot identified by `id` is created.\n /\n event Snapshot(uint256 id);\n\n /\n @dev Creates a new snapshot and returns its snapshot id.\n \n Emits a {Snapshot} event that contains the same id.\n \n {_snapshot} is `internal` and you have to decide how to expose it externally. Its usage may be restricted to a\n * set of accounts, for example using {AccessControl}, or it may be open to the public.\n \n [WARNING]\n * ====\n * While an open way of calling {_snapshot} is required for certain trust minimization mechanisms such as forking,\n * you must consider that it can potentially be used by attackers in two ways.\n \n First, it can be used to increase the cost of retrieval of values from snapshots, although it will grow\n * logarithmically thus rendering this attack ineffective in the long term. Second, it can be used to target\n * specific accounts and increase the cost of ERC20 transfers for them, in the ways specified in the Gas Costs\n * section above.\n \n We haven't measured the actual numbers; if this is something you're interested in please reach out to us.\n * ====\n /\n function _snapshot() internal virtual returns (uint256) {\n _currentSnapshotId.increment();\n\n uint256 currentId = _getCurrentSnapshotId();\n emit Snapshot(currentId);\n return currentId;\n }\n\n /\n @dev Get the current snapshotId\n /\n function _getCurrentSnapshotId() internal view virtual returns (uint256) {\n return _currentSnapshotId.current();\n }\n\n /\n @dev Retrieves the balance of `account` at the time `snapshotId` was created.\n /\n function balanceOfAt(address account, uint256 snapshotId) public view virtual returns (uint256) {\n (bool snapshotted, uint256 value) = _valueAt(snapshotId, _accountBalanceSnapshots[account]);\n\n return snapshotted ? value : balanceOf(account);\n }\n\n /\n @dev Retrieves the total supply at the time `snapshotId` was created.\n /\n function totalSupplyAt(uint256 snapshotId) public view virtual returns (uint256) {\n (bool snapshotted, uint256 value) = _valueAt(snapshotId, _totalSupplySnapshots);\n\n return snapshotted ? value : totalSupply();\n }\n\n // Update balance and/or total supply snapshots before the values are modified. This is implemented\n // in the _beforeTokenTransfer hook, which is executed for _mint, _burn, and _transfer operations.\n function _beforeTokenTransfer(address from, address to, uint256 amount) internal virtual override {\n super._beforeTokenTransfer(from, to, amount);\n\n if (from == address(0)) {\n // mint\n _updateAccountSnapshot(to);\n _updateTotalSupplySnapshot();\n } else if (to == address(0)) {\n // burn\n _updateAccountSnapshot(from);\n _updateTotalSupplySnapshot();\n } else {\n // transfer\n _updateAccountSnapshot(from);\n _updateAccountSnapshot(to);\n }\n }\n\n function _valueAt(uint256 snapshotId, Snapshots storage snapshots) private view returns (bool, uint256) {\n require(snapshotId > 0, \"ERC20Snapshot: id is 0\");\n require(snapshotId <= _getCurrentSnapshotId(), \"ERC20Snapshot: nonexistent id\");\n\n // When a valid snapshot is queried, there are three possibilities:\n // a) The queried value was not modified after the snapshot was taken. Therefore, a snapshot entry was never\n // created for this id, and all stored snapshot ids are smaller than the requested one. The value that corresponds\n // to this id is the current one.\n // b) The queried value was modified after the snapshot was taken. Therefore, there will be an entry with the\n // requested id, and its value is the one to return.\n // c) More snapshots were created after the requested one, and the queried value was later modified. There will be\n // no entry for the requested id: the value that corresponds to it is that of the smallest snapshot id that is\n // larger than the requested one.\n //\n // In summary, we need to find an element in an array, returning the index of the smallest value that is larger if\n // it is not found, unless said value doesn't exist (e.g. when all values are smaller). Arrays.findUpperBound does\n // exactly this.\n\n uint256 index = snapshots.ids.findUpperBound(snapshotId);\n\n if (index == snapshots.ids.length) {\n return (false, 0);\n } else {\n return (true, snapshots.values[index]);\n }\n }\n\n function _updateAccountSnapshot(address account) private {\n _updateSnapshot(_accountBalanceSnapshots[account], balanceOf(account));\n }\n\n function _updateTotalSupplySnapshot() private {\n _updateSnapshot(_totalSupplySnapshots, totalSupply());\n }\n\n function _updateSnapshot(Snapshots storage snapshots, uint256 currentValue) private {\n uint256 currentId = _getCurrentSnapshotId();\n if (_lastSnapshotId(snapshots.ids) < currentId) {\n snapshots.ids.push(currentId);\n snapshots.values.push(currentValue);\n }\n }\n\n function _lastSnapshotId(uint256[] storage ids) private view returns (uint256) {\n if (ids.length == 0) {\n return 0;\n } else {\n return ids[ids.length - 1];\n }\n }\n}\n" }, "lib/openzeppelin-contracts/contracts/access/Ownable.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.9.0) (access/Ownable.sol)\n\npragma solidity ^0.8.0;\n\nimport \"../utils/Context.sol\";\n\n/\n @dev Contract module which provides a basic access control mechanism, where\n * there is an account (an owner) that can be granted exclusive access to\n * specific functions.\n \n By default, the owner account will be the one that deploys the contract. This\n * can later be changed with {transferOwnership}.\n \n This module is used through inheritance. It will make available the modifier\n * `onlyOwner`, which can be applied to your functions to restrict their use to\n * the owner.\n /\nabstract contract Ownable is Context {\n address private _owner;\n\n event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);\n\n /\n @dev Initializes the contract setting the deployer as the initial owner.\n /\n constructor() {\n _transferOwnership(_msgSender());\n }\n\n /\n @dev Throws if called by any account other than the owner.\n /\n modifier onlyOwner() {\n _checkOwner();\n _;\n }\n\n /\n @dev Returns the address of the current owner.\n /\n function owner() public view virtual returns (address) {\n return _owner;\n }\n\n /\n @dev Throws if the sender is not the owner.\n /\n function _checkOwner() internal view virtual {\n require(owner() == _msgSender(), \"Ownable: caller is not the owner\");\n }\n\n /\n @dev Leaves the contract without owner. It will not be possible to call\n * `onlyOwner` functions. Can only be called by the current owner.\n \n NOTE: Renouncing ownership will leave the contract without an owner,\n * thereby disabling any functionality that is only available to the owner.\n /\n function renounceOwnership() public virtual onlyOwner {\n _transferOwnership(address(0));\n }\n\n /\n @dev Transfers ownership of the contract to a new account (`newOwner`).\n * Can only be called by the current owner.\n /\n function transferOwnership(address newOwner) public virtual onlyOwner {\n require(newOwner != address(0), \"Ownable: new owner is the zero address\");\n _transferOwnership(newOwner);\n }\n\n /\n @dev Transfers ownership of the contract to a new account (`newOwner`).\n * Internal function without access restriction.\n /\n function _transferOwnership(address newOwner) internal virtual {\n address oldOwner = _owner;\n _owner = newOwner;\n emit OwnershipTransferred(oldOwner, newOwner);\n }\n}\n" }, "lib/openzeppelin-contracts/contracts/security/ReentrancyGuard.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.9.0) (security/ReentrancyGuard.sol)\n\npragma solidity ^0.8.0;\n\n/\n @dev Contract module that helps prevent reentrant calls to a function.\n \n Inheriting from `ReentrancyGuard` will make the {nonReentrant} modifier\n * available, which can be applied to functions to make sure there are no nested\n * (reentrant) calls to them.\n \n Note that because there is a single `nonReentrant` guard, functions marked as\n * `nonReentrant` may not call one another. This can be worked around by making\n * those functions `private`, and then adding `external` `nonReentrant` entry\n * points to them.\n \n TIP: If you would like to learn more about reentrancy and alternative ways\n * to protect against it, check out our blog post\n * https://blog.openzeppelin.com/reentrancy-after-istanbul/[Reentrancy After Istanbul].\n /\nabstract contract ReentrancyGuard {\n // Booleans are more expensive than uint256 or any type that takes up a full\n // word because each write operation emits an extra SLOAD to first read the\n // slot's contents, replace the bits taken up by the boolean, and then write\n // back. This is the compiler's defense against contract upgrades and\n // pointer aliasing, and it cannot be disabled.\n\n // The values being non-zero value makes deployment a bit more expensive,\n // but in exchange the refund on every call to nonReentrant will be lower in\n // amount. Since refunds are capped to a percentage of the total\n // transaction's gas, it is best to keep them low in cases like this one, to\n // increase the likelihood of the full refund coming into effect.\n uint256 private constant _NOT_ENTERED = 1;\n uint256 private constant _ENTERED = 2;\n\n uint256 private _status;\n\n constructor() {\n _status = _NOT_ENTERED;\n }\n\n /\n @dev Prevents a contract from calling itself, directly or indirectly.\n * Calling a `nonReentrant` function from another `nonReentrant`\n * function is not supported. It is possible to prevent this from happening\n * by making the `nonReentrant` function external, and making it call a\n * `private` function that does the actual work.\n /\n modifier nonReentrant() {\n _nonReentrantBefore();\n _;\n _nonReentrantAfter();\n }\n\n function _nonReentrantBefore() private {\n // On the first call to nonReentrant, _status will be _NOT_ENTERED\n require(_status != _ENTERED, \"ReentrancyGuard: reentrant call\");\n\n // Any calls to nonReentrant after this point will fail\n _status = _ENTERED;\n }\n\n function _nonReentrantAfter() private {\n // By storing the original value once again, a refund is triggered (see\n // https://eips.ethereum.org/EIPS/eip-2200)\n _status = _NOT_ENTERED;\n }\n\n /\n @dev Returns true if the reentrancy guard is currently set to \"entered\", which indicates there is a\n * `nonReentrant` function in the call stack.\n /\n function _reentrancyGuardEntered() internal view returns (bool) {\n return _status == _ENTERED;\n }\n}\n" }, "lib/openzeppelin-contracts/contracts/utils/Strings.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.9.0) (utils/Strings.sol)\n\npragma solidity ^0.8.0;\n\nimport \"./math/Math.sol\";\nimport \"./math/SignedMath.sol\";\n\n/\n @dev String operations.\n /\nlibrary Strings {\n bytes16 private constant _SYMBOLS = \"0123456789abcdef\";\n uint8 private constant _ADDRESS_LENGTH = 20;\n\n /\n @dev Converts a `uint256` to its ASCII `string` decimal representation.\n /\n function toString(uint256 value) internal pure returns (string memory) {\n unchecked {\n uint256 length = Math.log10(value) + 1;\n string memory buffer = new string(length);\n uint256 ptr;\n /// @solidity memory-safe-assembly\n assembly {\n ptr := add(buffer, add(32, length))\n }\n while (true) {\n ptr--;\n /// @solidity memory-safe-assembly\n assembly {\n mstore8(ptr, byte(mod(value, 10), _SYMBOLS))\n }\n value /= 10;\n if (value == 0) break;\n }\n return buffer;\n }\n }\n\n /\n @dev Converts a `int256` to its ASCII `string` decimal representation.\n /\n function toString(int256 value) internal pure returns (string memory) {\n return string(abi.encodePacked(value < 0 ? \"-\" : \"\", toString(SignedMath.abs(value))));\n }\n\n /\n @dev Converts a `uint256` to its ASCII `string` hexadecimal representation.\n /\n function toHexString(uint256 value) internal pure returns (string memory) {\n unchecked {\n return toHexString(value, Math.log256(value) + 1);\n }\n }\n\n /\n @dev Converts a `uint256` to its ASCII `string` hexadecimal representation with fixed length.\n /\n function toHexString(uint256 value, uint256 length) internal pure returns (string memory) {\n bytes memory buffer = new bytes(2 length + 2);\n buffer[0] = \"0\";\n buffer[1] = \"x\";\n for (uint256 i = 2 * length + 1; i > 1; --i) {\n buffer[i] = _SYMBOLS[value & 0xf];\n value >>= 4;\n }\n require(value == 0, \"Strings: hex length insufficient\");\n return string(buffer);\n }\n\n /*\n @dev Converts an `address` with fixed length of 20 bytes to its not checksummed ASCII `string` hexadecimal representation.\n /\n function toHexString(address addr) internal pure returns (string memory) {\n return toHexString(uint256(uint160(addr)), _ADDRESS_LENGTH);\n }\n\n /\n @dev Returns true if the two strings are equal.\n /\n function equal(string memory a, string memory b) internal pure returns (bool) {\n return keccak256(bytes(a)) == keccak256(bytes(b));\n }\n}\n" }, "lib/openzeppelin-contracts/contracts/utils/StorageSlot.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.9.0) (utils/StorageSlot.sol)\n// This file was procedurally generated from scripts/generate/templates/StorageSlot.js.\n\npragma solidity ^0.8.0;\n\n/\n @dev Library for reading and writing primitive types to specific storage slots.\n \n Storage slots are often used to avoid storage conflict when dealing with upgradeable contracts.\n * This library helps with reading and writing to such slots without the need for inline assembly.\n \n The functions in this library return Slot structs that contain a `value` member that can be used to read or write.\n \n Example usage to set ERC1967 implementation slot:\n * ```solidity\n * contract ERC1967 {\n * bytes32 internal constant _IMPLEMENTATION_SLOT = 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc;\n \n function _getImplementation() internal view returns (address) {\n * return StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value;\n * }\n \n function _setImplementation(address newImplementation) internal {\n * require(Address.isContract(newImplementation), \"ERC1967: new implementation is not a contract\");\n * StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value = newImplementation;\n * }\n * }\n * ```\n \n _Available since v4.1 for `address`, `bool`, `bytes32`, `uint256`._\n * _Available since v4.9 for `string`, `bytes`._\n /\nlibrary StorageSlot {\n struct AddressSlot {\n address value;\n }\n\n struct BooleanSlot {\n bool value;\n }\n\n struct Bytes32Slot {\n bytes32 value;\n }\n\n struct Uint256Slot {\n uint256 value;\n }\n\n struct StringSlot {\n string value;\n }\n\n struct BytesSlot {\n bytes value;\n }\n\n /\n @dev Returns an `AddressSlot` with member `value` located at `slot`.\n /\n function getAddressSlot(bytes32 slot) internal pure returns (AddressSlot storage r) {\n /// @solidity memory-safe-assembly\n assembly {\n r.slot := slot\n }\n }\n\n /\n @dev Returns an `BooleanSlot` with member `value` located at `slot`.\n /\n function getBooleanSlot(bytes32 slot) internal pure returns (BooleanSlot storage r) {\n /// @solidity memory-safe-assembly\n assembly {\n r.slot := slot\n }\n }\n\n /\n @dev Returns an `Bytes32Slot` with member `value` located at `slot`.\n /\n function getBytes32Slot(bytes32 slot) internal pure returns (Bytes32Slot storage r) {\n /// @solidity memory-safe-assembly\n assembly {\n r.slot := slot\n }\n }\n\n /\n @dev Returns an `Uint256Slot` with member `value` located at `slot`.\n /\n function getUint256Slot(bytes32 slot) internal pure returns (Uint256Slot storage r) {\n /// @solidity memory-safe-assembly\n assembly {\n r.slot := slot\n }\n }\n\n /\n @dev Returns an `StringSlot` with member `value` located at `slot`.\n /\n function getStringSlot(bytes32 slot) internal pure returns (StringSlot storage r) {\n /// @solidity memory-safe-assembly\n assembly {\n r.slot := slot\n }\n }\n\n /\n @dev Returns an `StringSlot` representation of the string storage pointer `store`.\n /\n function getStringSlot(string storage store) internal pure returns (StringSlot storage r) {\n /// @solidity memory-safe-assembly\n assembly {\n r.slot := store.slot\n }\n }\n\n /\n @dev Returns an `BytesSlot` with member `value` located at `slot`.\n /\n function getBytesSlot(bytes32 slot) internal pure returns (BytesSlot storage r) {\n /// @solidity memory-safe-assembly\n assembly {\n r.slot := slot\n }\n }\n\n /\n @dev Returns an `BytesSlot` representation of the bytes storage pointer `store`.\n /\n function getBytesSlot(bytes storage store) internal pure returns (BytesSlot storage r) {\n /// @solidity memory-safe-assembly\n assembly {\n r.slot := store.slot\n }\n }\n}\n" }, "lib/openzeppelin-contracts/contracts/token/ERC20/extensions/IERC20Metadata.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (token/ERC20/extensions/IERC20Metadata.sol)\n\npragma solidity ^0.8.0;\n\nimport \"../IERC20.sol\";\n\n/\n @dev Interface for the optional metadata functions from the ERC20 standard.\n \n _Available since v4.1._\n /\ninterface IERC20Metadata is IERC20 {\n /\n @dev Returns the name of the token.\n /\n function name() external view returns (string memory);\n\n /\n @dev Returns the symbol of the token.\n /\n function symbol() external view returns (string memory);\n\n /\n @dev Returns the decimals places of the token.\n /\n function decimals() external view returns (uint8);\n}\n" }, "lib/openzeppelin-contracts/contracts/utils/Context.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (utils/Context.sol)\n\npragma solidity ^0.8.0;\n\n/\n @dev Provides information about the current execution context, including the\n * sender of the transaction and its data. While these are generally available\n * via msg.sender and msg.data, they should not be accessed in such a direct\n * manner, since when dealing with meta-transactions the account sending and\n * paying for execution may not be the actual sender (as far as an application\n * is concerned).\n \n This contract is only required for intermediate, library-like contracts.\n /\nabstract contract Context {\n function _msgSender() internal view virtual returns (address) {\n return msg.sender;\n }\n\n function _msgData() internal view virtual returns (bytes calldata) {\n return msg.data;\n }\n}\n" }, "lib/openzeppelin-contracts/contracts/utils/Arrays.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.9.0) (utils/Arrays.sol)\n\npragma solidity ^0.8.0;\n\nimport \"./StorageSlot.sol\";\nimport \"./math/Math.sol\";\n\n/\n @dev Collection of functions related to array types.\n /\nlibrary Arrays {\n using StorageSlot for bytes32;\n\n /\n @dev Searches a sorted `array` and returns the first index that contains\n * a value greater or equal to `element`. If no such index exists (i.e. all\n * values in the array are strictly less than `element`), the array length is\n * returned. Time complexity O(log n).\n \n `array` is expected to be sorted in ascending order, and to contain no\n * repeated elements.\n /\n function findUpperBound(uint256[] storage array, uint256 element) internal view returns (uint256) {\n if (array.length == 0) {\n return 0;\n }\n\n uint256 low = 0;\n uint256 high = array.length;\n\n while (low < high) {\n uint256 mid = Math.average(low, high);\n\n // Note that mid will always be strictly less than high (i.e. it will be a valid array index)\n // because Math.average rounds down (it does integer division with truncation).\n if (unsafeAccess(array, mid).value > element) {\n high = mid;\n } else {\n low = mid + 1;\n }\n }\n\n // At this point `low` is the exclusive upper bound. We will return the inclusive upper bound.\n if (low > 0 && unsafeAccess(array, low - 1).value == element) {\n return low - 1;\n } else {\n return low;\n }\n }\n\n /\n @dev Access an array in an \"unsafe\" way. Skips solidity \"index-out-of-range\" check.\n \n WARNING: Only use if you are certain `pos` is lower than the array length.\n /\n function unsafeAccess(address[] storage arr, uint256 pos) internal pure returns (StorageSlot.AddressSlot storage) {\n bytes32 slot;\n // We use assembly to calculate the storage slot of the element at index `pos` of the dynamic array `arr`\n // following https://docs.soliditylang.org/en/v0.8.17/internals/layout_in_storage.html#mappings-and-dynamic-arrays.\n\n /// @solidity memory-safe-assembly\n assembly {\n mstore(0, arr.slot)\n slot := add(keccak256(0, 0x20), pos)\n }\n return slot.getAddressSlot();\n }\n\n /\n @dev Access an array in an \"unsafe\" way. Skips solidity \"index-out-of-range\" check.\n \n WARNING: Only use if you are certain `pos` is lower than the array length.\n /\n function unsafeAccess(bytes32[] storage arr, uint256 pos) internal pure returns (StorageSlot.Bytes32Slot storage) {\n bytes32 slot;\n // We use assembly to calculate the storage slot of the element at index `pos` of the dynamic array `arr`\n // following https://docs.soliditylang.org/en/v0.8.17/internals/layout_in_storage.html#mappings-and-dynamic-arrays.\n\n /// @solidity memory-safe-assembly\n assembly {\n mstore(0, arr.slot)\n slot := add(keccak256(0, 0x20), pos)\n }\n return slot.getBytes32Slot();\n }\n\n /\n @dev Access an array in an \"unsafe\" way. Skips solidity \"index-out-of-range\" check.\n \n WARNING: Only use if you are certain `pos` is lower than the array length.\n /\n function unsafeAccess(uint256[] storage arr, uint256 pos) internal pure returns (StorageSlot.Uint256Slot storage) {\n bytes32 slot;\n // We use assembly to calculate the storage slot of the element at index `pos` of the dynamic array `arr`\n // following https://docs.soliditylang.org/en/v0.8.17/internals/layout_in_storage.html#mappings-and-dynamic-arrays.\n\n /// @solidity memory-safe-assembly\n assembly {\n mstore(0, arr.slot)\n slot := add(keccak256(0, 0x20), pos)\n }\n return slot.getUint256Slot();\n }\n}\n" }, "lib/openzeppelin-contracts/contracts/utils/Counters.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (utils/Counters.sol)\n\npragma solidity ^0.8.0;\n\n/\n @title Counters\n * @author Matt Condon (@shrugs)\n * @dev Provides counters that can only be incremented, decremented or reset. This can be used e.g. to track the number\n * of elements in a mapping, issuing ERC721 ids, or counting request ids.\n \n Include with `using Counters for Counters.Counter;`\n /\nlibrary Counters {\n struct Counter {\n // This variable should never be directly accessed by users of the library: interactions must be restricted to\n // the library's function. As of Solidity v0.5.2, this cannot be enforced, though there is a proposal to add\n // this feature: see https://github.com/ethereum/solidity/issues/4637\n uint256 _value; // default: 0\n }\n\n function current(Counter storage counter) internal view returns (uint256) {\n return counter._value;\n }\n\n function increment(Counter storage counter) internal {\n unchecked {\n counter._value += 1;\n }\n }\n\n function decrement(Counter storage counter) internal {\n uint256 value = counter._value;\n require(value > 0, \"Counter: decrement overflow\");\n unchecked {\n counter._value = value - 1;\n }\n }\n\n function reset(Counter storage counter) internal {\n counter._value = 0;\n }\n}\n" }, "lib/openzeppelin-contracts/contracts/utils/math/Math.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.9.0) (utils/math/Math.sol)\n\npragma solidity ^0.8.0;\n\n/\n @dev Standard math utilities missing in the Solidity language.\n /\nlibrary Math {\n enum Rounding {\n Down, // Toward negative infinity\n Up, // Toward infinity\n Zero // Toward zero\n }\n\n /\n @dev Returns the largest of two numbers.\n /\n function max(uint256 a, uint256 b) internal pure returns (uint256) {\n return a > b ? a : b;\n }\n\n /\n @dev Returns the smallest of two numbers.\n /\n function min(uint256 a, uint256 b) internal pure returns (uint256) {\n return a < b ? a : b;\n }\n\n /\n @dev Returns the average of two numbers. The result is rounded towards\n * zero.\n /\n function average(uint256 a, uint256 b) internal pure returns (uint256) {\n // (a + b) / 2 can overflow.\n return (a & b) + (a ^ b) / 2;\n }\n\n /\n @dev Returns the ceiling of the division of two numbers.\n \n This differs from standard division with `/` in that it rounds up instead\n * of rounding down.\n /\n function ceilDiv(uint256 a, uint256 b) internal pure returns (uint256) {\n // (a + b - 1) / b can overflow on addition, so we distribute.\n return a == 0 ? 0 : (a - 1) / b + 1;\n }\n\n /\n @notice Calculates floor(x * y / denominator) with full precision. Throws if result overflows a uint256 or denominator == 0\n * @dev Original credit to Remco Bloemen under MIT license (https://xn--2-umb.com/21/muldiv)\n * with further edits by Uniswap Labs also under MIT license.\n /\n function mulDiv(uint256 x, uint256 y, uint256 denominator) internal pure returns (uint256 result) {\n unchecked {\n // 512-bit multiply [prod1 prod0] = x y. Compute the product mod 2^256 and mod 2^256 - 1, then use\n // use the Chinese Remainder Theorem to reconstruct the 512 bit result. The result is stored in two 256\n // variables such that product = prod1 * 2^256 + prod0.\n uint256 prod0; // Least significant 256 bits of the product\n uint256 prod1; // Most significant 256 bits of the product\n assembly {\n let mm := mulmod(x, y, not(0))\n prod0 := mul(x, y)\n prod1 := sub(sub(mm, prod0), lt(mm, prod0))\n }\n\n // Handle non-overflow cases, 256 by 256 division.\n if (prod1 == 0) {\n // Solidity will revert if denominator == 0, unlike the div opcode on its own.\n // The surrounding unchecked block does not change this fact.\n // See https://docs.soliditylang.org/en/latest/control-structures.html#checked-or-unchecked-arithmetic.\n return prod0 / denominator;\n }\n\n // Make sure the result is less than 2^256. Also prevents denominator == 0.\n require(denominator > prod1, \"Math: mulDiv overflow\");\n\n ///////////////////////////////////////////////\n // 512 by 256 division.\n ///////////////////////////////////////////////\n\n // Make division exact by subtracting the remainder from [prod1 prod0].\n uint256 remainder;\n assembly {\n // Compute remainder using mulmod.\n remainder := mulmod(x, y, denominator)\n\n // Subtract 256 bit number from 512 bit number.\n prod1 := sub(prod1, gt(remainder, prod0))\n prod0 := sub(prod0, remainder)\n }\n\n // Factor powers of two out of denominator and compute largest power of two divisor of denominator. Always >= 1.\n // See https://cs.stackexchange.com/q/138556/92363.\n\n // Does not overflow because the denominator cannot be zero at this stage in the function.\n uint256 twos = denominator & (~denominator + 1);\n assembly {\n // Divide denominator by twos.\n denominator := div(denominator, twos)\n\n // Divide [prod1 prod0] by twos.\n prod0 := div(prod0, twos)\n\n // Flip twos such that it is 2^256 / twos. If twos is zero, then it becomes one.\n twos := add(div(sub(0, twos), twos), 1)\n }\n\n // Shift in bits from prod1 into prod0.\n prod0 \|= prod1 * twos;\n\n // Invert denominator mod 2^256. Now that denominator is an odd number, it has an inverse modulo 2^256 such\n // that denominator * inv = 1 mod 2^256. Compute the inverse by starting with a seed that is correct for\n // four bits. That is, denominator * inv = 1 mod 2^4.\n uint256 inverse = (3 * denominator) ^ 2;\n\n // Use the Newton-Raphson iteration to improve the precision. Thanks to Hensel's lifting lemma, this also works\n // in modular arithmetic, doubling the correct bits in each step.\n inverse = 2 - denominator inverse; // inverse mod 2^8\n inverse = 2 - denominator inverse; // inverse mod 2^16\n inverse = 2 - denominator inverse; // inverse mod 2^32\n inverse = 2 - denominator inverse; // inverse mod 2^64\n inverse = 2 - denominator inverse; // inverse mod 2^128\n inverse = 2 - denominator inverse; // inverse mod 2^256\n\n // Because the division is now exact we can divide by multiplying with the modular inverse of denominator.\n // This will give us the correct result modulo 2^256. Since the preconditions guarantee that the outcome is\n // less than 2^256, this is the final result. We don't need to compute the high bits of the result and prod1\n // is no longer required.\n result = prod0 * inverse;\n return result;\n }\n }\n\n /*\n @notice Calculates x * y / denominator with full precision, following the selected rounding direction.\n /\n function mulDiv(uint256 x, uint256 y, uint256 denominator, Rounding rounding) internal pure returns (uint256) {\n uint256 result = mulDiv(x, y, denominator);\n if (rounding == Rounding.Up && mulmod(x, y, denominator) > 0) {\n result += 1;\n }\n return result;\n }\n\n /\n @dev Returns the square root of a number. If the number is not a perfect square, the value is rounded down.\n \n Inspired by Henry S. Warren, Jr.'s \"Hacker's Delight\" (Chapter 11).\n /\n function sqrt(uint256 a) internal pure returns (uint256) {\n if (a == 0) {\n return 0;\n }\n\n // For our first guess, we get the biggest power of 2 which is smaller than the square root of the target.\n //\n // We know that the \"msb\" (most significant bit) of our target number `a` is a power of 2 such that we have\n // `msb(a) <= a < 2msb(a)`. This value can be written `msb(a)=2k` with `k=log2(a)`.\n //\n // This can be rewritten `2log2(a) <= a < 2(log2(a) + 1)`\n // → `sqrt(2k) <= sqrt(a) < sqrt(2(k+1))`\n // → `2(k/2) <= sqrt(a) < 2((k+1)/2) <= 2(k/2 + 1)`\n //\n // Consequently, `2(log2(a) / 2)` is a good first approximation of `sqrt(a)` with at least 1 correct bit.\n uint256 result = 1 << (log2(a) >> 1);\n\n // At this point `result` is an estimation with one bit of precision. We know the true value is a uint128,\n // since it is the square root of a uint256. Newton's method converges quadratically (precision doubles at\n // every iteration). We thus need at most 7 iteration to turn our partial result with one bit of precision\n // into the expected uint128 result.\n unchecked {\n result = (result + a / result) >> 1;\n result = (result + a / result) >> 1;\n result = (result + a / result) >> 1;\n result = (result + a / result) >> 1;\n result = (result + a / result) >> 1;\n result = (result + a / result) >> 1;\n result = (result + a / result) >> 1;\n return min(result, a / result);\n }\n }\n\n /\n * @notice Calculates sqrt(a), following the selected rounding direction.\n /\n function sqrt(uint256 a, Rounding rounding) internal pure returns (uint256) {\n unchecked {\n uint256 result = sqrt(a);\n return result + (rounding == Rounding.Up && result result < a ? 1 : 0);\n }\n }\n\n /*\n @dev Return the log in base 2, rounded down, of a positive value.\n * Returns 0 if given 0.\n /\n function log2(uint256 value) internal pure returns (uint256) {\n uint256 result = 0;\n unchecked {\n if (value >> 128 > 0) {\n value >>= 128;\n result += 128;\n }\n if (value >> 64 > 0) {\n value >>= 64;\n result += 64;\n }\n if (value >> 32 > 0) {\n value >>= 32;\n result += 32;\n }\n if (value >> 16 > 0) {\n value >>= 16;\n result += 16;\n }\n if (value >> 8 > 0) {\n value >>= 8;\n result += 8;\n }\n if (value >> 4 > 0) {\n value >>= 4;\n result += 4;\n }\n if (value >> 2 > 0) {\n value >>= 2;\n result += 2;\n }\n if (value >> 1 > 0) {\n result += 1;\n }\n }\n return result;\n }\n\n /\n @dev Return the log in base 2, following the selected rounding direction, of a positive value.\n * Returns 0 if given 0.\n /\n function log2(uint256 value, Rounding rounding) internal pure returns (uint256) {\n unchecked {\n uint256 result = log2(value);\n return result + (rounding == Rounding.Up && 1 << result < value ? 1 : 0);\n }\n }\n\n /\n @dev Return the log in base 10, rounded down, of a positive value.\n * Returns 0 if given 0.\n /\n function log10(uint256 value) internal pure returns (uint256) {\n uint256 result = 0;\n unchecked {\n if (value >= 10 * 64) {\n value /= 10 64;\n result += 64;\n }\n if (value >= 10 32) {\n value /= 10 32;\n result += 32;\n }\n if (value >= 10 16) {\n value /= 10 16;\n result += 16;\n }\n if (value >= 10 8) {\n value /= 10 8;\n result += 8;\n }\n if (value >= 10 4) {\n value /= 10 4;\n result += 4;\n }\n if (value >= 10 2) {\n value /= 10 2;\n result += 2;\n }\n if (value >= 10 1) {\n result += 1;\n }\n }\n return result;\n }\n\n /*\n @dev Return the log in base 10, following the selected rounding direction, of a positive value.\n * Returns 0 if given 0.\n /\n function log10(uint256 value, Rounding rounding) internal pure returns (uint256) {\n unchecked {\n uint256 result = log10(value);\n return result + (rounding == Rounding.Up && 10 * result < value ? 1 : 0);\n }\n }\n\n /*\n @dev Return the log in base 256, rounded down, of a positive value.\n * Returns 0 if given 0.\n \n Adding one to the result gives the number of pairs of hex symbols needed to represent `value` as a hex string.\n /\n function log256(uint256 value) internal pure returns (uint256) {\n uint256 result = 0;\n unchecked {\n if (value >> 128 > 0) {\n value >>= 128;\n result += 16;\n }\n if (value >> 64 > 0) {\n value >>= 64;\n result += 8;\n }\n if (value >> 32 > 0) {\n value >>= 32;\n result += 4;\n }\n if (value >> 16 > 0) {\n value >>= 16;\n result += 2;\n }\n if (value >> 8 > 0) {\n result += 1;\n }\n }\n return result;\n }\n\n /\n @dev Return the log in base 256, following the selected rounding direction, of a positive value.\n * Returns 0 if given 0.\n /\n function log256(uint256 value, Rounding rounding) internal pure returns (uint256) {\n unchecked {\n uint256 result = log256(value);\n return result + (rounding == Rounding.Up && 1 << (result << 3) < value ? 1 : 0);\n }\n }\n}\n" }, "lib/openzeppelin-contracts/contracts/utils/math/SignedMath.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.8.0) (utils/math/SignedMath.sol)\n\npragma solidity ^0.8.0;\n\n/\n @dev Standard signed math utilities missing in the Solidity language.\n /\nlibrary SignedMath {\n /\n @dev Returns the largest of two signed numbers.\n /\n function max(int256 a, int256 b) internal pure returns (int256) {\n return a > b ? a : b;\n }\n\n /\n @dev Returns the smallest of two signed numbers.\n /\n function min(int256 a, int256 b) internal pure returns (int256) {\n return a < b ? a : b;\n }\n\n /\n @dev Returns the average of two signed numbers without overflow.\n * The result is rounded towards zero.\n /\n function average(int256 a, int256 b) internal pure returns (int256) {\n // Formula from the book \"Hacker's Delight\"\n int256 x = (a & b) + ((a ^ b) >> 1);\n return x + (int256(uint256(x) >> 255) & (a ^ b));\n }\n\n /\n @dev Returns the absolute unsigned value of a signed value.\n /\n function abs(int256 n) internal pure returns (uint256) {\n unchecked {\n // must be unchecked in order to support `n = type(int256).min`\n return uint256(n >= 0 ? n : -n);\n }\n }\n}\n" } }, "settings": { "remappings": [ "@openzeppelin/contracts/=lib/openzeppelin-contracts/contracts/", "ds-test/=lib/forge-std/lib/ds-test/src/", "erc4626-tests/=lib/openzeppelin-contracts/lib/erc4626-tests/", "forge-std/=lib/forge-std/src/", "openzeppelin-contracts/=lib/openzeppelin-contracts/", "openzeppelin/=lib/openzeppelin-contracts/contracts/" ], "optimizer": { "enabled": true, "runs": 200 }, "metadata": { "useLiteralContent": false, "bytecodeHash": "ipfs", "appendCBOR": true }, "outputSelection": { "": { "*": [ "evm.bytecode", "evm.deployedBytecode", "devdoc", "userdoc", "metadata", "abi" ] } }, "evmVersion": "paris", "libraries": {} } }}
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File: contracts/interfaces/IUniswapV2Pair.sol pragma solidity >=0.5.0; interface IUniswapV2Pair { event Approval(address indexed owner, address indexed spender, uint value); event Transfer(address indexed from, address indexed to, uint value); function name() external pure returns (string memory); function symbol() external pure returns (string memory); function decimals() external pure returns (uint8); function totalSupply() external view returns (uint); function balanceOf(address owner) external view returns (uint); function allowance(address owner, address spender) external view returns (uint); function approve(address spender, uint value) external returns (bool); function transfer(address to, uint value) external returns (bool); function transferFrom(address from, address to, uint value) external returns (bool); function DOMAIN_SEPARATOR() external view returns (bytes32); function PERMIT_TYPEHASH() external pure returns (bytes32); function nonces(address owner) external view returns (uint); function permit(address owner, address spender, uint value, uint deadline, uint8 v, bytes32 r, bytes32 s) external; event Mint(address indexed sender, uint amount0, uint amount1); event Burn(address indexed sender, uint amount0, uint amount1, address indexed to); event Swap( address indexed sender, uint amount0In, uint amount1In, uint amount0Out, uint amount1Out, address indexed to ); event Sync(uint112 reserve0, uint112 reserve1); function MINIMUM_LIQUIDITY() external pure returns (uint); function factory() external view returns (address); function token0() external view returns (address); function token1() external view returns (address); function getReserves() external view returns (uint112 reserve0, uint112 reserve1, uint32 blockTimestampLast); function price0CumulativeLast() external view returns (uint); function price1CumulativeLast() external view returns (uint); function kLast() external view returns (uint); function mint(address to) external returns (uint liquidity); function burn(address to) external returns (uint amount0, uint amount1); function swap(uint amount0Out, uint amount1Out, address to, bytes calldata data) external; function skim(address to) external; function sync() external; function initialize(address, address) external; } // File: contracts/interfaces/IUniswapV2ERC20.sol pragma solidity >=0.5.0; interface IUniswapV2ERC20 { event Approval(address indexed owner, address indexed spender, uint value); event Transfer(address indexed from, address indexed to, uint value); function name() external pure returns (string memory); function symbol() external pure returns (string memory); function decimals() external pure returns (uint8); function totalSupply() external view returns (uint); function balanceOf(address owner) external view returns (uint); function allowance(address owner, address spender) external view returns (uint); function approve(address spender, uint value) external returns (bool); function transfer(address to, uint value) external returns (bool); function transferFrom(address from, address to, uint value) external returns (bool); function DOMAIN_SEPARATOR() external view returns (bytes32); function PERMIT_TYPEHASH() external pure returns (bytes32); function nonces(address owner) external view returns (uint); function permit(address owner, address spender, uint value, uint deadline, uint8 v, bytes32 r, bytes32 s) external; } // File: contracts/libraries/SafeMath.sol pragma solidity =0.5.16; // a library for performing overflow-safe math, courtesy of DappHub (https://github.com/dapphub/ds-math) library SafeMath { function add(uint x, uint y) internal pure returns (uint z) { require((z = x + y) >= x, 'ds-math-add-overflow'); } function sub(uint x, uint y) internal pure returns (uint z) { require((z = x - y) <= x, 'ds-math-sub-underflow'); } function mul(uint x, uint y) internal pure returns (uint z) { require(y == 0 \|\| (z = x * y) / y == x, 'ds-math-mul-overflow'); } } // File: contracts/UniswapV2ERC20.sol pragma solidity =0.5.16; contract UniswapV2ERC20 is IUniswapV2ERC20 { using SafeMath for uint; string public constant name = 'Uniswap V2'; string public constant symbol = 'UNI-V2'; uint8 public constant decimals = 18; uint public totalSupply; mapping(address => uint) public balanceOf; mapping(address => mapping(address => uint)) public allowance; bytes32 public DOMAIN_SEPARATOR; // keccak256("Permit(address owner,address spender,uint256 value,uint256 nonce,uint256 deadline)"); bytes32 public constant PERMIT_TYPEHASH = 0x6e71edae12b1b97f4d1f60370fef10105fa2faae0126114a169c64845d6126c9; mapping(address => uint) public nonces; event Approval(address indexed owner, address indexed spender, uint value); event Transfer(address indexed from, address indexed to, uint value); constructor() public { uint chainId; assembly { chainId := chainid } DOMAIN_SEPARATOR = keccak256( abi.encode( keccak256('EIP712Domain(string name,string version,uint256 chainId,address verifyingContract)'), keccak256(bytes(name)), keccak256(bytes('1')), chainId, address(this) ) ); } function _mint(address to, uint value) internal { totalSupply = totalSupply.add(value); balanceOf[to] = balanceOf[to].add(value); emit Transfer(address(0), to, value); } function _burn(address from, uint value) internal { balanceOf[from] = balanceOf[from].sub(value); totalSupply = totalSupply.sub(value); emit Transfer(from, address(0), value); } function _approve(address owner, address spender, uint value) private { allowance[owner][spender] = value; emit Approval(owner, spender, value); } function _transfer(address from, address to, uint value) private { balanceOf[from] = balanceOf[from].sub(value); balanceOf[to] = balanceOf[to].add(value); emit Transfer(from, to, value); } function approve(address spender, uint value) external returns (bool) { _approve(msg.sender, spender, value); return true; } function transfer(address to, uint value) external returns (bool) { _transfer(msg.sender, to, value); return true; } function transferFrom(address from, address to, uint value) external returns (bool) { if (allowance[from][msg.sender] != uint(-1)) { allowance[from][msg.sender] = allowance[from][msg.sender].sub(value); } _transfer(from, to, value); return true; } function permit(address owner, address spender, uint value, uint deadline, uint8 v, bytes32 r, bytes32 s) external { require(deadline >= block.timestamp, 'UniswapV2: EXPIRED'); bytes32 digest = keccak256( abi.encodePacked( '\x19\x01', DOMAIN_SEPARATOR, keccak256(abi.encode(PERMIT_TYPEHASH, owner, spender, value, nonces[owner]++, deadline)) ) ); address recoveredAddress = ecrecover(digest, v, r, s); require(recoveredAddress != address(0) && recoveredAddress == owner, 'UniswapV2: INVALID_SIGNATURE'); _approve(owner, spender, value); } } // File: contracts/libraries/Math.sol pragma solidity =0.5.16; // a library for performing various math operations library Math { function min(uint x, uint y) internal pure returns (uint z) { z = x < y ? x : y; } // babylonian method (https://en.wikipedia.org/wiki/Methods_of_computing_square_roots#Babylonian_method) function sqrt(uint y) internal pure returns (uint z) { if (y > 3) { z = y; uint x = y / 2 + 1; while (x < z) { z = x; x = (y / x + x) / 2; } } else if (y != 0) { z = 1; } } } // File: contracts/libraries/UQ112x112.sol pragma solidity =0.5.16; // a library for handling binary fixed point numbers (https://en.wikipedia.org/wiki/Q_(number_format)) // range: [0, 2112 - 1] // resolution: 1 / 2112 library UQ112x112 { uint224 constant Q112 = 2*112; // encode a uint112 as a UQ112x112 function encode(uint112 y) internal pure returns (uint224 z) { z = uint224(y) Q112; // never overflows } // divide a UQ112x112 by a uint112, returning a UQ112x112 function uqdiv(uint224 x, uint112 y) internal pure returns (uint224 z) { z = x / uint224(y); } } // File: contracts/interfaces/IERC20.sol pragma solidity >=0.5.0; interface IERC20 { event Approval(address indexed owner, address indexed spender, uint value); event Transfer(address indexed from, address indexed to, uint value); function name() external view returns (string memory); function symbol() external view returns (string memory); function decimals() external view returns (uint8); function totalSupply() external view returns (uint); function balanceOf(address owner) external view returns (uint); function allowance(address owner, address spender) external view returns (uint); function approve(address spender, uint value) external returns (bool); function transfer(address to, uint value) external returns (bool); function transferFrom(address from, address to, uint value) external returns (bool); } // File: contracts/interfaces/IUniswapV2Factory.sol pragma solidity >=0.5.0; interface IUniswapV2Factory { event PairCreated(address indexed token0, address indexed token1, address pair, uint); function feeTo() external view returns (address); function feeToSetter() external view returns (address); function getPair(address tokenA, address tokenB) external view returns (address pair); function allPairs(uint) external view returns (address pair); function allPairsLength() external view returns (uint); function createPair(address tokenA, address tokenB) external returns (address pair); function setFeeTo(address) external; function setFeeToSetter(address) external; } // File: contracts/interfaces/IUniswapV2Callee.sol pragma solidity >=0.5.0; interface IUniswapV2Callee { function uniswapV2Call(address sender, uint amount0, uint amount1, bytes calldata data) external; } // File: contracts/UniswapV2Pair.sol pragma solidity =0.5.16; contract UniswapV2Pair is IUniswapV2Pair, UniswapV2ERC20 { using SafeMath for uint; using UQ112x112 for uint224; uint public constant MINIMUM_LIQUIDITY = 10*3; bytes4 private constant SELECTOR = bytes4(keccak256(bytes('transfer(address,uint256)'))); address public factory; address public token0; address public token1; uint112 private reserve0; // uses single storage slot, accessible via getReserves uint112 private reserve1; // uses single storage slot, accessible via getReserves uint32 private blockTimestampLast; // uses single storage slot, accessible via getReserves uint public price0CumulativeLast; uint public price1CumulativeLast; uint public kLast; // reserve0 reserve1, as of immediately after the most recent liquidity event uint private unlocked = 1; modifier lock() { require(unlocked == 1, 'UniswapV2: LOCKED'); unlocked = 0; _; unlocked = 1; } function getReserves() public view returns (uint112 _reserve0, uint112 _reserve1, uint32 _blockTimestampLast) { _reserve0 = reserve0; _reserve1 = reserve1; _blockTimestampLast = blockTimestampLast; } function _safeTransfer(address token, address to, uint value) private { (bool success, bytes memory data) = token.call(abi.encodeWithSelector(SELECTOR, to, value)); require(success && (data.length == 0 \|\| abi.decode(data, (bool))), 'UniswapV2: TRANSFER_FAILED'); } event Mint(address indexed sender, uint amount0, uint amount1); event Burn(address indexed sender, uint amount0, uint amount1, address indexed to); event Swap( address indexed sender, uint amount0In, uint amount1In, uint amount0Out, uint amount1Out, address indexed to ); event Sync(uint112 reserve0, uint112 reserve1); constructor() public { factory = msg.sender; } // called once by the factory at time of deployment function initialize(address _token0, address _token1) external { require(msg.sender == factory, 'UniswapV2: FORBIDDEN'); // sufficient check token0 = _token0; token1 = _token1; } // update reserves and, on the first call per block, price accumulators function _update(uint balance0, uint balance1, uint112 _reserve0, uint112 _reserve1) private { require(balance0 <= uint112(-1) && balance1 <= uint112(-1), 'UniswapV2: OVERFLOW'); uint32 blockTimestamp = uint32(block.timestamp % 2*32); uint32 timeElapsed = blockTimestamp - blockTimestampLast; // overflow is desired if (timeElapsed > 0 && _reserve0 != 0 && _reserve1 != 0) { // never overflows, and + overflow is desired price0CumulativeLast += uint(UQ112x112.encode(_reserve1).uqdiv(_reserve0)) * timeElapsed; price1CumulativeLast += uint(UQ112x112.encode(_reserve0).uqdiv(_reserve1)) * timeElapsed; } reserve0 = uint112(balance0); reserve1 = uint112(balance1); blockTimestampLast = blockTimestamp; emit Sync(reserve0, reserve1); } // if fee is on, mint liquidity equivalent to 1/6th of the growth in sqrt(k) function _mintFee(uint112 _reserve0, uint112 _reserve1) private returns (bool feeOn) { address feeTo = IUniswapV2Factory(factory).feeTo(); feeOn = feeTo != address(0); uint _kLast = kLast; // gas savings if (feeOn) { if (_kLast != 0) { uint rootK = Math.sqrt(uint(_reserve0).mul(_reserve1)); uint rootKLast = Math.sqrt(_kLast); if (rootK > rootKLast) { uint numerator = totalSupply.mul(rootK.sub(rootKLast)); uint denominator = rootK.mul(5).add(rootKLast); uint liquidity = numerator / denominator; if (liquidity > 0) _mint(feeTo, liquidity); } } } else if (_kLast != 0) { kLast = 0; } } // this low-level function should be called from a contract which performs important safety checks function mint(address to) external lock returns (uint liquidity) { (uint112 _reserve0, uint112 _reserve1,) = getReserves(); // gas savings uint balance0 = IERC20(token0).balanceOf(address(this)); uint balance1 = IERC20(token1).balanceOf(address(this)); uint amount0 = balance0.sub(_reserve0); uint amount1 = balance1.sub(_reserve1); bool feeOn = _mintFee(_reserve0, _reserve1); uint _totalSupply = totalSupply; // gas savings, must be defined here since totalSupply can update in _mintFee if (_totalSupply == 0) { liquidity = Math.sqrt(amount0.mul(amount1)).sub(MINIMUM_LIQUIDITY); _mint(address(0), MINIMUM_LIQUIDITY); // permanently lock the first MINIMUM_LIQUIDITY tokens } else { liquidity = Math.min(amount0.mul(_totalSupply) / _reserve0, amount1.mul(_totalSupply) / _reserve1); } require(liquidity > 0, 'UniswapV2: INSUFFICIENT_LIQUIDITY_MINTED'); _mint(to, liquidity); _update(balance0, balance1, _reserve0, _reserve1); if (feeOn) kLast = uint(reserve0).mul(reserve1); // reserve0 and reserve1 are up-to-date emit Mint(msg.sender, amount0, amount1); } // this low-level function should be called from a contract which performs important safety checks function burn(address to) external lock returns (uint amount0, uint amount1) { (uint112 _reserve0, uint112 _reserve1,) = getReserves(); // gas savings address _token0 = token0; // gas savings address _token1 = token1; // gas savings uint balance0 = IERC20(_token0).balanceOf(address(this)); uint balance1 = IERC20(_token1).balanceOf(address(this)); uint liquidity = balanceOf[address(this)]; bool feeOn = _mintFee(_reserve0, _reserve1); uint _totalSupply = totalSupply; // gas savings, must be defined here since totalSupply can update in _mintFee amount0 = liquidity.mul(balance0) / _totalSupply; // using balances ensures pro-rata distribution amount1 = liquidity.mul(balance1) / _totalSupply; // using balances ensures pro-rata distribution require(amount0 > 0 && amount1 > 0, 'UniswapV2: INSUFFICIENT_LIQUIDITY_BURNED'); _burn(address(this), liquidity); _safeTransfer(_token0, to, amount0); _safeTransfer(_token1, to, amount1); balance0 = IERC20(_token0).balanceOf(address(this)); balance1 = IERC20(_token1).balanceOf(address(this)); _update(balance0, balance1, _reserve0, _reserve1); if (feeOn) kLast = uint(reserve0).mul(reserve1); // reserve0 and reserve1 are up-to-date emit Burn(msg.sender, amount0, amount1, to); } // this low-level function should be called from a contract which performs important safety checks function swap(uint amount0Out, uint amount1Out, address to, bytes calldata data) external lock { require(amount0Out > 0 \|\| amount1Out > 0, 'UniswapV2: INSUFFICIENT_OUTPUT_AMOUNT'); (uint112 _reserve0, uint112 _reserve1,) = getReserves(); // gas savings require(amount0Out < _reserve0 && amount1Out < _reserve1, 'UniswapV2: INSUFFICIENT_LIQUIDITY'); uint balance0; uint balance1; { // scope for _token{0,1}, avoids stack too deep errors address _token0 = token0; address _token1 = token1; require(to != _token0 && to != _token1, 'UniswapV2: INVALID_TO'); if (amount0Out > 0) _safeTransfer(_token0, to, amount0Out); // optimistically transfer tokens if (amount1Out > 0) _safeTransfer(_token1, to, amount1Out); // optimistically transfer tokens if (data.length > 0) IUniswapV2Callee(to).uniswapV2Call(msg.sender, amount0Out, amount1Out, data); balance0 = IERC20(_token0).balanceOf(address(this)); balance1 = IERC20(_token1).balanceOf(address(this)); } uint amount0In = balance0 > _reserve0 - amount0Out ? balance0 - (_reserve0 - amount0Out) : 0; uint amount1In = balance1 > _reserve1 - amount1Out ? balance1 - (_reserve1 - amount1Out) : 0; require(amount0In > 0 \|\| amount1In > 0, 'UniswapV2: INSUFFICIENT_INPUT_AMOUNT'); { // scope for reserve{0,1}Adjusted, avoids stack too deep errors uint balance0Adjusted = balance0.mul(1000).sub(amount0In.mul(3)); uint balance1Adjusted = balance1.mul(1000).sub(amount1In.mul(3)); require(balance0Adjusted.mul(balance1Adjusted) >= uint(_reserve0).mul(_reserve1).mul(1000**2), 'UniswapV2: K'); } _update(balance0, balance1, _reserve0, _reserve1); emit Swap(msg.sender, amount0In, amount1In, amount0Out, amount1Out, to); } // force balances to match reserves function skim(address to) external lock { address _token0 = token0; // gas savings address _token1 = token1; // gas savings _safeTransfer(_token0, to, IERC20(_token0).balanceOf(address(this)).sub(reserve0)); _safeTransfer(_token1, to, IERC20(_token1).balanceOf(address(this)).sub(reserve1)); } // force reserves to match balances function sync() external lock { _update(IERC20(token0).balanceOf(address(this)), IERC20(token1).balanceOf(address(this)), reserve0, reserve1); } }
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1	20,291,978	496b3ab3186c40654815a16107905223fea5c1e555eea4d2b26ee9b27ce395ab	5f1141588da35483cd9f58e80f3b13140bb30f1b9fd847af6e8602ff5e09084a	578f533873dc8ea60ab1417180cc531f172ee292	29ef46035e9fa3d570c598d3266424ca11413b0c	697081e4c6cd3ca1122e2b182752c62af4d60f28	3d602d80600a3d3981f3363d3d373d3d3d363d735397d0869aba0d55e96d5716d383f6e1d8695ed75af43d82803e903d91602b57fd5bf3	363d3d373d3d3d363d735397d0869aba0d55e96d5716d383f6e1d8695ed75af43d82803e903d91602b57fd5bf3	{{ "language": "Solidity", "sources": { "contracts/Forwarder.sol": { "content": "// SPDX-License-Identifier: Apache-2.0\npragma solidity 0.8.10;\nimport '@openzeppelin/contracts/token/ERC1155/IERC1155.sol';\nimport '@openzeppelin/contracts/token/ERC721/IERC721.sol';\nimport '@openzeppelin/contracts/token/ERC721/IERC721Receiver.sol';\nimport '@openzeppelin/contracts/token/ERC1155/utils/ERC1155Receiver.sol';\nimport './ERC20Interface.sol';\nimport './TransferHelper.sol';\nimport './IForwarder.sol';\n\n/*\n Contract that will forward any incoming Ether to the creator of the contract\n \n /\ncontract Forwarder is IERC721Receiver, ERC1155Receiver, IForwarder {\n // Address to which any funds sent to this contract will be forwarded\n address public parentAddress;\n bool public autoFlush721 = true;\n bool public autoFlush1155 = true;\n\n event ForwarderDeposited(address from, uint256 value, bytes data);\n\n /*\n Initialize the contract, and sets the destination address to that of the creator\n /\n function init(\n address _parentAddress,\n bool _autoFlush721,\n bool _autoFlush1155\n ) external onlyUninitialized {\n parentAddress = _parentAddress;\n uint256 value = address(this).balance;\n\n // set whether we want to automatically flush erc721/erc1155 tokens or not\n autoFlush721 = _autoFlush721;\n autoFlush1155 = _autoFlush1155;\n\n if (value == 0) {\n return;\n }\n\n (bool success, ) = parentAddress.call{ value: value }('');\n require(success, 'Flush failed');\n\n // NOTE: since we are forwarding on initialization,\n // we don't have the context of the original sender.\n // We still emit an event about the forwarding but set\n // the sender to the forwarder itself\n emit ForwarderDeposited(address(this), value, msg.data);\n }\n\n /\n Modifier that will execute internal code block only if the sender is the parent address\n /\n modifier onlyParent {\n require(msg.sender == parentAddress, 'Only Parent');\n _;\n }\n\n /\n Modifier that will execute internal code block only if the contract has not been initialized yet\n /\n modifier onlyUninitialized {\n require(parentAddress == address(0x0), 'Already initialized');\n _;\n }\n\n /\n Default function; Gets called when data is sent but does not match any other function\n /\n fallback() external payable {\n flush();\n }\n\n /\n Default function; Gets called when Ether is deposited with no data, and forwards it to the parent address\n /\n receive() external payable {\n flush();\n }\n\n /\n @inheritdoc IForwarder\n /\n function setAutoFlush721(bool autoFlush)\n external\n virtual\n override\n onlyParent\n {\n autoFlush721 = autoFlush;\n }\n\n /\n @inheritdoc IForwarder\n /\n function setAutoFlush1155(bool autoFlush)\n external\n virtual\n override\n onlyParent\n {\n autoFlush1155 = autoFlush;\n }\n\n /\n ERC721 standard callback function for when a ERC721 is transfered. The forwarder will send the nft\n * to the base wallet once the nft contract invokes this method after transfering the nft.\n \n @param _operator The address which called `safeTransferFrom` function\n * @param _from The address of the sender\n * @param _tokenId The token id of the nft\n * @param data Additional data with no specified format, sent in call to `_to`\n /\n function onERC721Received(\n address _operator,\n address _from,\n uint256 _tokenId,\n bytes memory data\n ) external virtual override returns (bytes4) {\n if (autoFlush721) {\n IERC721 instance = IERC721(msg.sender);\n require(\n instance.supportsInterface(type(IERC721).interfaceId),\n 'The caller does not support the ERC721 interface'\n );\n // this won't work for ERC721 re-entrancy\n instance.safeTransferFrom(address(this), parentAddress, _tokenId, data);\n }\n\n return this.onERC721Received.selector;\n }\n\n function callFromParent(\n address target,\n uint256 value,\n bytes calldata data\n ) external onlyParent returns (bytes memory) {\n (bool success, bytes memory returnedData) = target.call{ value: value }(\n data\n );\n require(success, 'Parent call execution failed');\n\n return returnedData;\n }\n\n /\n @inheritdoc IERC1155Receiver\n /\n function onERC1155Received(\n address _operator,\n address _from,\n uint256 id,\n uint256 value,\n bytes calldata data\n ) external virtual override returns (bytes4) {\n IERC1155 instance = IERC1155(msg.sender);\n require(\n instance.supportsInterface(type(IERC1155).interfaceId),\n 'The caller does not support the IERC1155 interface'\n );\n\n if (autoFlush1155) {\n instance.safeTransferFrom(address(this), parentAddress, id, value, data);\n }\n\n return this.onERC1155Received.selector;\n }\n\n /\n @inheritdoc IERC1155Receiver\n /\n function onERC1155BatchReceived(\n address _operator,\n address _from,\n uint256[] calldata ids,\n uint256[] calldata values,\n bytes calldata data\n ) external virtual override returns (bytes4) {\n IERC1155 instance = IERC1155(msg.sender);\n require(\n instance.supportsInterface(type(IERC1155).interfaceId),\n 'The caller does not support the IERC1155 interface'\n );\n\n if (autoFlush1155) {\n instance.safeBatchTransferFrom(\n address(this),\n parentAddress,\n ids,\n values,\n data\n );\n }\n\n return this.onERC1155BatchReceived.selector;\n }\n\n /\n @inheritdoc IForwarder\n /\n function flushTokens(address tokenContractAddress)\n external\n virtual\n override\n onlyParent\n {\n ERC20Interface instance = ERC20Interface(tokenContractAddress);\n address forwarderAddress = address(this);\n uint256 forwarderBalance = instance.balanceOf(forwarderAddress);\n if (forwarderBalance == 0) {\n return;\n }\n\n TransferHelper.safeTransfer(\n tokenContractAddress,\n parentAddress,\n forwarderBalance\n );\n }\n\n /\n @inheritdoc IForwarder\n /\n function flushERC721Token(address tokenContractAddress, uint256 tokenId)\n external\n virtual\n override\n onlyParent\n {\n IERC721 instance = IERC721(tokenContractAddress);\n require(\n instance.supportsInterface(type(IERC721).interfaceId),\n 'The tokenContractAddress does not support the ERC721 interface'\n );\n\n address ownerAddress = instance.ownerOf(tokenId);\n instance.transferFrom(ownerAddress, parentAddress, tokenId);\n }\n\n /\n @inheritdoc IForwarder\n /\n function flushERC1155Tokens(address tokenContractAddress, uint256 tokenId)\n external\n virtual\n override\n onlyParent\n {\n IERC1155 instance = IERC1155(tokenContractAddress);\n require(\n instance.supportsInterface(type(IERC1155).interfaceId),\n 'The caller does not support the IERC1155 interface'\n );\n\n address forwarderAddress = address(this);\n uint256 forwarderBalance = instance.balanceOf(forwarderAddress, tokenId);\n\n instance.safeTransferFrom(\n forwarderAddress,\n parentAddress,\n tokenId,\n forwarderBalance,\n ''\n );\n }\n\n /\n @inheritdoc IForwarder\n /\n function batchFlushERC1155Tokens(\n address tokenContractAddress,\n uint256[] calldata tokenIds\n ) external virtual override onlyParent {\n IERC1155 instance = IERC1155(tokenContractAddress);\n require(\n instance.supportsInterface(type(IERC1155).interfaceId),\n 'The caller does not support the IERC1155 interface'\n );\n\n address forwarderAddress = address(this);\n uint256[] memory amounts = new uint256[](tokenIds.length);\n for (uint256 i = 0; i < tokenIds.length; i++) {\n amounts[i] = instance.balanceOf(forwarderAddress, tokenIds[i]);\n }\n\n instance.safeBatchTransferFrom(\n forwarderAddress,\n parentAddress,\n tokenIds,\n amounts,\n ''\n );\n }\n\n /\n Flush the entire balance of the contract to the parent address.\n /\n function flush() public {\n uint256 value = address(this).balance;\n\n if (value == 0) {\n return;\n }\n\n (bool success, ) = parentAddress.call{ value: value }('');\n require(success, 'Flush failed');\n emit ForwarderDeposited(msg.sender, value, msg.data);\n }\n\n /\n @inheritdoc IERC165\n /\n function supportsInterface(bytes4 interfaceId)\n public\n virtual\n override(ERC1155Receiver, IERC165)\n view\n returns (bool)\n {\n return\n interfaceId == type(IForwarder).interfaceId \|\|\n super.supportsInterface(interfaceId);\n }\n}\n" }, "@openzeppelin/contracts/token/ERC1155/IERC1155.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (token/ERC1155/IERC1155.sol)\n\npragma solidity ^0.8.0;\n\nimport \"../../utils/introspection/IERC165.sol\";\n\n/\n @dev Required interface of an ERC1155 compliant contract, as defined in the\n * https://eips.ethereum.org/EIPS/eip-1155[EIP].\n \n _Available since v3.1._\n /\ninterface IERC1155 is IERC165 {\n /\n @dev Emitted when `value` tokens of token type `id` are transferred from `from` to `to` by `operator`.\n /\n event TransferSingle(address indexed operator, address indexed from, address indexed to, uint256 id, uint256 value);\n\n /\n @dev Equivalent to multiple {TransferSingle} events, where `operator`, `from` and `to` are the same for all\n * transfers.\n /\n event TransferBatch(\n address indexed operator,\n address indexed from,\n address indexed to,\n uint256[] ids,\n uint256[] values\n );\n\n /\n @dev Emitted when `account` grants or revokes permission to `operator` to transfer their tokens, according to\n * `approved`.\n /\n event ApprovalForAll(address indexed account, address indexed operator, bool approved);\n\n /\n @dev Emitted when the URI for token type `id` changes to `value`, if it is a non-programmatic URI.\n \n If an {URI} event was emitted for `id`, the standard\n * https://eips.ethereum.org/EIPS/eip-1155#metadata-extensions[guarantees] that `value` will equal the value\n * returned by {IERC1155MetadataURI-uri}.\n /\n event URI(string value, uint256 indexed id);\n\n /\n @dev Returns the amount of tokens of token type `id` owned by `account`.\n \n Requirements:\n \n - `account` cannot be the zero address.\n /\n function balanceOf(address account, uint256 id) external view returns (uint256);\n\n /\n @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {balanceOf}.\n \n Requirements:\n \n - `accounts` and `ids` must have the same length.\n /\n function balanceOfBatch(address[] calldata accounts, uint256[] calldata ids)\n external\n view\n returns (uint256[] memory);\n\n /\n @dev Grants or revokes permission to `operator` to transfer the caller's tokens, according to `approved`,\n \n Emits an {ApprovalForAll} event.\n \n Requirements:\n \n - `operator` cannot be the caller.\n /\n function setApprovalForAll(address operator, bool approved) external;\n\n /\n @dev Returns true if `operator` is approved to transfer ``account``'s tokens.\n \n See {setApprovalForAll}.\n /\n function isApprovedForAll(address account, address operator) external view returns (bool);\n\n /\n @dev Transfers `amount` tokens of token type `id` from `from` to `to`.\n \n Emits a {TransferSingle} event.\n \n Requirements:\n \n - `to` cannot be the zero address.\n * - If the caller is not `from`, it must be have been approved to spend ``from``'s tokens via {setApprovalForAll}.\n * - `from` must have a balance of tokens of type `id` of at least `amount`.\n * - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155Received} and return the\n * acceptance magic value.\n /\n function safeTransferFrom(\n address from,\n address to,\n uint256 id,\n uint256 amount,\n bytes calldata data\n ) external;\n\n /\n @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {safeTransferFrom}.\n \n Emits a {TransferBatch} event.\n \n Requirements:\n \n - `ids` and `amounts` must have the same length.\n * - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155BatchReceived} and return the\n * acceptance magic value.\n /\n function safeBatchTransferFrom(\n address from,\n address to,\n uint256[] calldata ids,\n uint256[] calldata amounts,\n bytes calldata data\n ) external;\n}\n" }, "@openzeppelin/contracts/token/ERC721/IERC721.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (token/ERC721/IERC721.sol)\n\npragma solidity ^0.8.0;\n\nimport \"../../utils/introspection/IERC165.sol\";\n\n/\n @dev Required interface of an ERC721 compliant contract.\n /\ninterface IERC721 is IERC165 {\n /\n @dev Emitted when `tokenId` token is transferred from `from` to `to`.\n /\n event Transfer(address indexed from, address indexed to, uint256 indexed tokenId);\n\n /\n @dev Emitted when `owner` enables `approved` to manage the `tokenId` token.\n /\n event Approval(address indexed owner, address indexed approved, uint256 indexed tokenId);\n\n /\n @dev Emitted when `owner` enables or disables (`approved`) `operator` to manage all of its assets.\n /\n event ApprovalForAll(address indexed owner, address indexed operator, bool approved);\n\n /\n @dev Returns the number of tokens in ``owner``'s account.\n /\n function balanceOf(address owner) external view returns (uint256 balance);\n\n /\n @dev Returns the owner of the `tokenId` token.\n \n Requirements:\n \n - `tokenId` must exist.\n /\n function ownerOf(uint256 tokenId) external view returns (address owner);\n\n /\n @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients\n * are aware of the ERC721 protocol to prevent tokens from being forever locked.\n \n Requirements:\n \n - `from` cannot be the zero address.\n * - `to` cannot be the zero address.\n * - `tokenId` token must exist and be owned by `from`.\n * - If the caller is not `from`, it must be have been allowed to move this token by either {approve} or {setApprovalForAll}.\n * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.\n \n Emits a {Transfer} event.\n /\n function safeTransferFrom(\n address from,\n address to,\n uint256 tokenId\n ) external;\n\n /\n @dev Transfers `tokenId` token from `from` to `to`.\n \n WARNING: Usage of this method is discouraged, use {safeTransferFrom} whenever possible.\n \n Requirements:\n \n - `from` cannot be the zero address.\n * - `to` cannot be the zero address.\n * - `tokenId` token must be owned by `from`.\n * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}.\n \n Emits a {Transfer} event.\n /\n function transferFrom(\n address from,\n address to,\n uint256 tokenId\n ) external;\n\n /\n @dev Gives permission to `to` to transfer `tokenId` token to another account.\n * The approval is cleared when the token is transferred.\n \n Only a single account can be approved at a time, so approving the zero address clears previous approvals.\n \n Requirements:\n \n - The caller must own the token or be an approved operator.\n * - `tokenId` must exist.\n \n Emits an {Approval} event.\n /\n function approve(address to, uint256 tokenId) external;\n\n /\n @dev Returns the account approved for `tokenId` token.\n \n Requirements:\n \n - `tokenId` must exist.\n /\n function getApproved(uint256 tokenId) external view returns (address operator);\n\n /\n @dev Approve or remove `operator` as an operator for the caller.\n * Operators can call {transferFrom} or {safeTransferFrom} for any token owned by the caller.\n \n Requirements:\n \n - The `operator` cannot be the caller.\n \n Emits an {ApprovalForAll} event.\n /\n function setApprovalForAll(address operator, bool _approved) external;\n\n /\n @dev Returns if the `operator` is allowed to manage all of the assets of `owner`.\n \n See {setApprovalForAll}\n /\n function isApprovedForAll(address owner, address operator) external view returns (bool);\n\n /\n @dev Safely transfers `tokenId` token from `from` to `to`.\n \n Requirements:\n \n - `from` cannot be the zero address.\n * - `to` cannot be the zero address.\n * - `tokenId` token must exist and be owned by `from`.\n * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}.\n * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.\n \n Emits a {Transfer} event.\n /\n function safeTransferFrom(\n address from,\n address to,\n uint256 tokenId,\n bytes calldata data\n ) external;\n}\n" }, "@openzeppelin/contracts/token/ERC721/IERC721Receiver.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (token/ERC721/IERC721Receiver.sol)\n\npragma solidity ^0.8.0;\n\n/\n @title ERC721 token receiver interface\n * @dev Interface for any contract that wants to support safeTransfers\n * from ERC721 asset contracts.\n /\ninterface IERC721Receiver {\n /\n @dev Whenever an {IERC721} `tokenId` token is transferred to this contract via {IERC721-safeTransferFrom}\n * by `operator` from `from`, this function is called.\n \n It must return its Solidity selector to confirm the token transfer.\n * If any other value is returned or the interface is not implemented by the recipient, the transfer will be reverted.\n \n The selector can be obtained in Solidity with `IERC721.onERC721Received.selector`.\n /\n function onERC721Received(\n address operator,\n address from,\n uint256 tokenId,\n bytes calldata data\n ) external returns (bytes4);\n}\n" }, "@openzeppelin/contracts/token/ERC1155/utils/ERC1155Receiver.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (token/ERC1155/utils/ERC1155Receiver.sol)\n\npragma solidity ^0.8.0;\n\nimport \"../IERC1155Receiver.sol\";\nimport \"../../../utils/introspection/ERC165.sol\";\n\n/\n @dev _Available since v3.1._\n /\nabstract contract ERC1155Receiver is ERC165, IERC1155Receiver {\n /\n @dev See {IERC165-supportsInterface}.\n /\n function supportsInterface(bytes4 interfaceId) public view virtual override(ERC165, IERC165) returns (bool) {\n return interfaceId == type(IERC1155Receiver).interfaceId \|\| super.supportsInterface(interfaceId);\n }\n}\n" }, "contracts/ERC20Interface.sol": { "content": "// SPDX-License-Identifier: UNLICENSED\npragma solidity 0.8.10;\n\n/\n Contract that exposes the needed erc20 token functions\n /\n\nabstract contract ERC20Interface {\n // Send _value amount of tokens to address _to\n function transfer(address _to, uint256 _value)\n public\n virtual\n returns (bool success);\n\n // Get the account balance of another account with address _owner\n function balanceOf(address _owner)\n public\n virtual\n view\n returns (uint256 balance);\n}\n" }, "contracts/TransferHelper.sol": { "content": "// SPDX-License-Identifier: GPL-3.0-or-later\n// source: https://github.com/Uniswap/solidity-lib/blob/master/contracts/libraries/TransferHelper.sol\npragma solidity 0.8.10;\n\nimport '@openzeppelin/contracts/utils/Address.sol';\n\n// helper methods for interacting with ERC20 tokens and sending ETH that do not consistently return true/false\nlibrary TransferHelper {\n function safeTransfer(\n address token,\n address to,\n uint256 value\n ) internal {\n // bytes4(keccak256(bytes('transfer(address,uint256)')));\n (bool success, bytes memory data) = token.call(\n abi.encodeWithSelector(0xa9059cbb, to, value)\n );\n require(\n success && (data.length == 0 \|\| abi.decode(data, (bool))),\n 'TransferHelper::safeTransfer: transfer failed'\n );\n }\n\n function safeTransferFrom(\n address token,\n address from,\n address to,\n uint256 value\n ) internal {\n // bytes4(keccak256(bytes('transferFrom(address,address,uint256)')));\n (bool success, bytes memory returndata) = token.call(\n abi.encodeWithSelector(0x23b872dd, from, to, value)\n );\n Address.verifyCallResult(\n success,\n returndata,\n 'TransferHelper::transferFrom: transferFrom failed'\n );\n }\n}\n" }, "contracts/IForwarder.sol": { "content": "pragma solidity ^0.8.0;\n\nimport '@openzeppelin/contracts/utils/introspection/IERC165.sol';\n\ninterface IForwarder is IERC165 {\n /\n Sets the autoflush721 parameter.\n \n @param autoFlush whether to autoflush erc721 tokens\n /\n function setAutoFlush721(bool autoFlush) external;\n\n /\n Sets the autoflush1155 parameter.\n \n @param autoFlush whether to autoflush erc1155 tokens\n /\n function setAutoFlush1155(bool autoFlush) external;\n\n /\n Execute a token transfer of the full balance from the forwarder token to the parent address\n \n @param tokenContractAddress the address of the erc20 token contract\n /\n function flushTokens(address tokenContractAddress) external;\n\n /\n Execute a nft transfer from the forwarder to the parent address\n \n @param tokenContractAddress the address of the ERC721 NFT contract\n * @param tokenId The token id of the nft\n /\n function flushERC721Token(address tokenContractAddress, uint256 tokenId)\n external;\n\n /\n Execute a nft transfer from the forwarder to the parent address.\n \n @param tokenContractAddress the address of the ERC1155 NFT contract\n * @param tokenId The token id of the nft\n /\n function flushERC1155Tokens(address tokenContractAddress, uint256 tokenId)\n external;\n\n /\n Execute a batch nft transfer from the forwarder to the parent address.\n \n @param tokenContractAddress the address of the ERC1155 NFT contract\n * @param tokenIds The token ids of the nfts\n /\n function batchFlushERC1155Tokens(\n address tokenContractAddress,\n uint256[] calldata tokenIds\n ) external;\n}\n" }, "@openzeppelin/contracts/utils/introspection/IERC165.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (utils/introspection/IERC165.sol)\n\npragma solidity ^0.8.0;\n\n/\n @dev Interface of the ERC165 standard, as defined in the\n * https://eips.ethereum.org/EIPS/eip-165[EIP].\n \n Implementers can declare support of contract interfaces, which can then be\n * queried by others ({ERC165Checker}).\n \n For an implementation, see {ERC165}.\n /\ninterface IERC165 {\n /\n @dev Returns true if this contract implements the interface defined by\n * `interfaceId`. See the corresponding\n * https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section]\n * to learn more about how these ids are created.\n \n This function call must use less than 30 000 gas.\n /\n function supportsInterface(bytes4 interfaceId) external view returns (bool);\n}\n" }, "@openzeppelin/contracts/token/ERC1155/IERC1155Receiver.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (token/ERC1155/IERC1155Receiver.sol)\n\npragma solidity ^0.8.0;\n\nimport \"../../utils/introspection/IERC165.sol\";\n\n/\n @dev _Available since v3.1._\n /\ninterface IERC1155Receiver is IERC165 {\n /\n @dev Handles the receipt of a single ERC1155 token type. This function is\n called at the end of a `safeTransferFrom` after the balance has been updated.\n To accept the transfer, this must return\n `bytes4(keccak256(\"onERC1155Received(address,address,uint256,uint256,bytes)\"))`\n (i.e. 0xf23a6e61, or its own function selector).\n @param operator The address which initiated the transfer (i.e. msg.sender)\n @param from The address which previously owned the token\n @param id The ID of the token being transferred\n @param value The amount of tokens being transferred\n @param data Additional data with no specified format\n @return `bytes4(keccak256(\"onERC1155Received(address,address,uint256,uint256,bytes)\"))` if transfer is allowed\n /\n function onERC1155Received(\n address operator,\n address from,\n uint256 id,\n uint256 value,\n bytes calldata data\n ) external returns (bytes4);\n\n /*\n @dev Handles the receipt of a multiple ERC1155 token types. This function\n is called at the end of a `safeBatchTransferFrom` after the balances have\n been updated. To accept the transfer(s), this must return\n `bytes4(keccak256(\"onERC1155BatchReceived(address,address,uint256[],uint256[],bytes)\"))`\n (i.e. 0xbc197c81, or its own function selector).\n @param operator The address which initiated the batch transfer (i.e. msg.sender)\n @param from The address which previously owned the token\n @param ids An array containing ids of each token being transferred (order and length must match values array)\n @param values An array containing amounts of each token being transferred (order and length must match ids array)\n @param data Additional data with no specified format\n @return `bytes4(keccak256(\"onERC1155BatchReceived(address,address,uint256[],uint256[],bytes)\"))` if transfer is allowed\n /\n function onERC1155BatchReceived(\n address operator,\n address from,\n uint256[] calldata ids,\n uint256[] calldata values,\n bytes calldata data\n ) external returns (bytes4);\n}\n" }, "@openzeppelin/contracts/utils/introspection/ERC165.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (utils/introspection/ERC165.sol)\n\npragma solidity ^0.8.0;\n\nimport \"./IERC165.sol\";\n\n/*\n @dev Implementation of the {IERC165} interface.\n \n Contracts that want to implement ERC165 should inherit from this contract and override {supportsInterface} to check\n * for the additional interface id that will be supported. For example:\n \n ```solidity\n * function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {\n * return interfaceId == type(MyInterface).interfaceId \|\| super.supportsInterface(interfaceId);\n * }\n * ```\n \n Alternatively, {ERC165Storage} provides an easier to use but more expensive implementation.\n /\nabstract contract ERC165 is IERC165 {\n /\n @dev See {IERC165-supportsInterface}.\n /\n function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {\n return interfaceId == type(IERC165).interfaceId;\n }\n}\n" }, "@openzeppelin/contracts/utils/Address.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (utils/Address.sol)\n\npragma solidity ^0.8.0;\n\n/\n @dev Collection of functions related to the address type\n /\nlibrary Address {\n /\n @dev Returns true if `account` is a contract.\n \n [IMPORTANT]\n * ====\n * It is unsafe to assume that an address for which this function returns\n * false is an externally-owned account (EOA) and not a contract.\n \n Among others, `isContract` will return false for the following\n * types of addresses:\n \n - an externally-owned account\n * - a contract in construction\n * - an address where a contract will be created\n * - an address where a contract lived, but was destroyed\n * ====\n /\n function isContract(address account) internal view returns (bool) {\n // This method relies on extcodesize, which returns 0 for contracts in\n // construction, since the code is only stored at the end of the\n // constructor execution.\n\n uint256 size;\n assembly {\n size := extcodesize(account)\n }\n return size > 0;\n }\n\n /\n @dev Replacement for Solidity's `transfer`: sends `amount` wei to\n * `recipient`, forwarding all available gas and reverting on errors.\n \n https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost\n * of certain opcodes, possibly making contracts go over the 2300 gas limit\n * imposed by `transfer`, making them unable to receive funds via\n * `transfer`. {sendValue} removes this limitation.\n \n https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more].\n \n IMPORTANT: because control is transferred to `recipient`, care must be\n * taken to not create reentrancy vulnerabilities. Consider using\n * {ReentrancyGuard} or the\n * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].\n /\n function sendValue(address payable recipient, uint256 amount) internal {\n require(address(this).balance >= amount, \"Address: insufficient balance\");\n\n (bool success, ) = recipient.call{value: amount}(\"\");\n require(success, \"Address: unable to send value, recipient may have reverted\");\n }\n\n /\n @dev Performs a Solidity function call using a low level `call`. A\n * plain `call` is an unsafe replacement for a function call: use this\n * function instead.\n \n If `target` reverts with a revert reason, it is bubbled up by this\n * function (like regular Solidity function calls).\n \n Returns the raw returned data. To convert to the expected return value,\n * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].\n \n Requirements:\n \n - `target` must be a contract.\n * - calling `target` with `data` must not revert.\n \n _Available since v3.1._\n /\n function functionCall(address target, bytes memory data) internal returns (bytes memory) {\n return functionCall(target, data, \"Address: low-level call failed\");\n }\n\n /\n @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with\n * `errorMessage` as a fallback revert reason when `target` reverts.\n \n _Available since v3.1._\n /\n function functionCall(\n address target,\n bytes memory data,\n string memory errorMessage\n ) internal returns (bytes memory) {\n return functionCallWithValue(target, data, 0, errorMessage);\n }\n\n /\n @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],\n * but also transferring `value` wei to `target`.\n \n Requirements:\n \n - the calling contract must have an ETH balance of at least `value`.\n * - the called Solidity function must be `payable`.\n \n _Available since v3.1._\n /\n function functionCallWithValue(\n address target,\n bytes memory data,\n uint256 value\n ) internal returns (bytes memory) {\n return functionCallWithValue(target, data, value, \"Address: low-level call with value failed\");\n }\n\n /\n @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but\n * with `errorMessage` as a fallback revert reason when `target` reverts.\n \n _Available since v3.1._\n /\n function functionCallWithValue(\n address target,\n bytes memory data,\n uint256 value,\n string memory errorMessage\n ) internal returns (bytes memory) {\n require(address(this).balance >= value, \"Address: insufficient balance for call\");\n require(isContract(target), \"Address: call to non-contract\");\n\n (bool success, bytes memory returndata) = target.call{value: value}(data);\n return verifyCallResult(success, returndata, errorMessage);\n }\n\n /\n @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],\n * but performing a static call.\n \n _Available since v3.3._\n /\n function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {\n return functionStaticCall(target, data, \"Address: low-level static call failed\");\n }\n\n /\n @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],\n * but performing a static call.\n \n _Available since v3.3._\n /\n function functionStaticCall(\n address target,\n bytes memory data,\n string memory errorMessage\n ) internal view returns (bytes memory) {\n require(isContract(target), \"Address: static call to non-contract\");\n\n (bool success, bytes memory returndata) = target.staticcall(data);\n return verifyCallResult(success, returndata, errorMessage);\n }\n\n /\n @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],\n * but performing a delegate call.\n \n _Available since v3.4._\n /\n function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {\n return functionDelegateCall(target, data, \"Address: low-level delegate call failed\");\n }\n\n /\n @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],\n * but performing a delegate call.\n \n _Available since v3.4._\n /\n function functionDelegateCall(\n address target,\n bytes memory data,\n string memory errorMessage\n ) internal returns (bytes memory) {\n require(isContract(target), \"Address: delegate call to non-contract\");\n\n (bool success, bytes memory returndata) = target.delegatecall(data);\n return verifyCallResult(success, returndata, errorMessage);\n }\n\n /\n @dev Tool to verifies that a low level call was successful, and revert if it wasn't, either by bubbling the\n * revert reason using the provided one.\n \n _Available since v4.3._\n /\n function verifyCallResult(\n bool success,\n bytes memory returndata,\n string memory errorMessage\n ) internal pure returns (bytes memory) {\n if (success) {\n return returndata;\n } else {\n // Look for revert reason and bubble it up if present\n if (returndata.length > 0) {\n // The easiest way to bubble the revert reason is using memory via assembly\n\n assembly {\n let returndata_size := mload(returndata)\n revert(add(32, returndata), returndata_size)\n }\n } else {\n revert(errorMessage);\n }\n }\n }\n}\n" } }, "settings": { "optimizer": { "enabled": false, "runs": 200 }, "outputSelection": { "": { "*": [ "evm.bytecode", "evm.deployedBytecode", "devdoc", "userdoc", "metadata", "abi" ] } }, "libraries": {} } }}
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SPDX-License-Identifier: UNLICENSE /* https://t.me/MonalisaCoinErc https://x.com/monalisacoins https://monalisacoin.meme/ / pragma solidity 0.8.23; abstract contract Context { function _msgSender() internal view virtual returns (address) { return msg.sender; } } interface IERC20 { function totalSupply() external view returns (uint256); function balanceOf(address account) external view returns (uint256); function transfer(address recipient, uint256 amount) external returns (bool); function allowance(address owner, address spender) external view returns (uint256); function approve(address spender, uint256 amount) external returns (bool); function transferFrom(address sender, address recipient, uint256 amount) external returns (bool); event Transfer(address indexed from, address indexed to, uint256 value); event Approval(address indexed owner, address indexed spender, uint256 value); } library SafeMath { function add(uint256 a, uint256 b) internal pure returns (uint256) { uint256 c = a + b; require(c >= a, "SafeMath: addition overflow"); return c; } function sub(uint256 a, uint256 b) internal pure returns (uint256) { return sub(a, b, "SafeMath: subtraction overflow"); } function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b <= a, errorMessage); uint256 c = a - b; return c; } function mul(uint256 a, uint256 b) internal pure returns (uint256) { if (a == 0) { return 0; } uint256 c = a b; require(c / a == b, "SafeMath: multiplication overflow"); return c; } function div(uint256 a, uint256 b) internal pure returns (uint256) { return div(a, b, "SafeMath: division by zero"); } function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b > 0, errorMessage); uint256 c = a / b; return c; } } contract Ownable is Context { address private _owner; event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); constructor () { address msgSender = _msgSender(); _owner = msgSender; emit OwnershipTransferred(address(0), msgSender); } function owner() public view returns (address) { return _owner; } modifier onlyOwner() { require(_owner == _msgSender(), "Ownable: caller is not the owner"); _; } function renounceOwnership() public virtual onlyOwner { emit OwnershipTransferred(_owner, address(0)); _owner = address(0); } } interface IUniswapV2Factory { function createPair(address tokenA, address tokenB) external returns (address pair); } interface IUniswapV2Router02 { function swapExactTokensForETHSupportingFeeOnTransferTokens( uint amountIn, uint amountOutMin, address[] calldata path, address to, uint deadline ) external; function factory() external pure returns (address); function WETH() external pure returns (address); function addLiquidityETH( address token, uint amountTokenDesired, uint amountTokenMin, uint amountETHMin, address to, uint deadline ) external payable returns (uint amountToken, uint amountETH, uint liquidity); } contract Monalisa is Context, IERC20, Ownable { using SafeMath for uint256; mapping (address => uint256) private _balances; mapping (address => mapping (address => uint256)) private _allowances; mapping (address => bool) private _isExcludedFromFee; address payable private _taxWallet; uint256 private _initialBuyTax = 22; uint256 private _initialSellTax = 22; uint256 private _finalBuyTax = 0; uint256 private _finalSellTax = 0; uint256 private _reduceBuyTaxAt = 30; uint256 private _reduceSellTaxAt = 30; uint256 private _preventSwapBefore = 25; uint256 private _transferTax = 0; uint256 private _buyCount = 0; uint8 private constant _decimals = 9; uint256 private constant _tTotal = 420_690_000_000 * 10*_decimals; string private constant _name = unicode"Monalisa"; string private constant _symbol = unicode"Monalisa"; uint256 public _maxTxAmount = (_tTotal 1) / 100; uint256 public _maxWalletSize = (_tTotal * 1) / 100; uint256 public _taxSwapThreshold = (_tTotal * 1) / 100; uint256 public _maxTaxSwap = (_tTotal * 1) / 100; IUniswapV2Router02 private uniswapV2Router; address private uniswapV2Pair; bool private tradingOpen; bool private inSwap = false; bool private swapEnabled = false; uint256 private sellCount = 0; uint256 private lastSellBlock = 0; uint256 private firstBlock = 0; event MaxTxAmountUpdated(uint _maxTxAmount); event TransferTaxUpdated(uint _tax); event ClearToken(address TokenAddressCleared, uint256 Amount); modifier lockTheSwap { inSwap = true; _; inSwap = false; } constructor () { _taxWallet = payable(_msgSender()); _balances[_msgSender()] = _tTotal; _isExcludedFromFee[owner()] = true; _isExcludedFromFee[address(this)] = true; _isExcludedFromFee[_taxWallet] = true; emit Transfer(address(0), _msgSender(), _tTotal); } function name() public pure returns (string memory) { return _name; } function symbol() public pure returns (string memory) { return _symbol; } function decimals() public pure returns (uint8) { return _decimals; } function totalSupply() public pure override returns (uint256) { return _tTotal; } function balanceOf(address account) public view override returns (uint256) { return _balances[account]; } function transfer(address recipient, uint256 amount) public override returns (bool) { _transfer(_msgSender(), recipient, amount); return true; } function allowance(address owner, address spender) public view override returns (uint256) { return _allowances[owner][spender]; } function approve(address spender, uint256 amount) public override returns (bool) { _approve(_msgSender(), spender, amount); return true; } function transferFrom(address sender, address recipient, uint256 amount) public override returns (bool) { _transfer(sender, recipient, amount); _approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance")); return true; } function _approve(address owner, address spender, uint256 amount) private { require(owner != address(0), "ERC20: approve from the zero address"); require(spender != address(0), "ERC20: approve to the zero address"); _allowances[owner][spender] = amount; emit Approval(owner, spender, amount); } function _transfer(address from, address to, uint256 amount) private { require(from != address(0), "ERC20: transfer from the zero address"); require(to != address(0), "ERC20: transfer to the zero address"); require(amount > 0, "Transfer amount must be greater than zero"); uint256 taxAmount = 0; if (from != owner() && to != owner()) { if(_buyCount == 0){ taxAmount = amount.mul((_buyCount > _reduceBuyTaxAt) ? _finalBuyTax : _initialBuyTax).div(100); } if(_buyCount > 0){ taxAmount = amount.mul(_transferTax).div(100); } if(block.number == firstBlock){ require(_buyCount < 42, "Exceeds buys on the first block."); } if (from == uniswapV2Pair && to != address(uniswapV2Router) && ! _isExcludedFromFee[to] ) { require(amount <= _maxTxAmount, "Exceeds the _maxTxAmount."); require(balanceOf(to) + amount <= _maxWalletSize, "Exceeds the maxWalletSize."); taxAmount = amount.mul((_buyCount > _reduceBuyTaxAt) ? _finalBuyTax : _initialBuyTax).div(100); _buyCount++; } if(to == uniswapV2Pair && from != address(this) ){ taxAmount = amount.mul((_buyCount > _reduceSellTaxAt) ? _finalSellTax : _initialSellTax).div(100); } uint256 contractTokenBalance = balanceOf(address(this)); if (!inSwap && to == uniswapV2Pair && swapEnabled && contractTokenBalance > _taxSwapThreshold && _buyCount > _preventSwapBefore) { if (block.number > lastSellBlock) { sellCount = 0; } require(sellCount < 3, "Only 3 sells per block!"); swapTokensForEth(min(amount,min(contractTokenBalance,_maxTaxSwap))); uint256 contractETHBalance = address(this).balance; if (contractETHBalance > 0) { sendETHToFee(address(this).balance); } sellCount++; lastSellBlock = block.number; } } if(taxAmount > 0){ _balances[address(this)] = _balances[address(this)].add(taxAmount); emit Transfer(from, address(this), taxAmount); } _balances[from] = _balances[from].sub(amount); _balances[to] = _balances[to].add(amount.sub(taxAmount)); emit Transfer(from, to, amount.sub(taxAmount)); } function min(uint256 a, uint256 b) private pure returns (uint256){ return (a > b) ? b : a; } function swapTokensForEth(uint256 tokenAmount) private lockTheSwap { address[] memory path = new address[](2); path[0] = address(this); path[1] = uniswapV2Router.WETH(); _approve(address(this), address(uniswapV2Router), tokenAmount); uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens( tokenAmount, 0, path, address(this), block.timestamp ); } function removeLimit() external onlyOwner{ _maxTxAmount =_tTotal; _maxWalletSize =_tTotal; emit MaxTxAmountUpdated(_tTotal); } function removeTransferTax() external onlyOwner{ _transferTax= 0; emit TransferTaxUpdated(0); } function sendETHToFee(uint256 amount) private { _taxWallet.transfer(amount); } function openTrading() external onlyOwner() { require(!tradingOpen,"trading is already open"); uniswapV2Router = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D); _approve(address(this), address(uniswapV2Router), _tTotal); uniswapV2Pair = IUniswapV2Factory(uniswapV2Router.factory()).createPair(address(this), uniswapV2Router.WETH()); uniswapV2Router.addLiquidityETH{value: address(this).balance}(address(this), balanceOf(address(this)), 0, 0, owner(), block.timestamp); IERC20(uniswapV2Pair).approve(address(uniswapV2Router), type(uint).max); swapEnabled = true; tradingOpen = true; firstBlock = block.number; } receive() external payable {} function reduceFee(uint256 _newFee) external{ require(_msgSender() == _taxWallet); require(_newFee <= _finalBuyTax && _newFee <= _finalSellTax); _finalBuyTax = _newFee; _finalSellTax= _newFee; } function clearStuckToken(address tokenAddress, uint256 tokens) external returns (bool success) { require(_msgSender() == _taxWallet); if(tokens == 0){ tokens = IERC20(tokenAddress).balanceOf(address(this)); } emit ClearToken(tokenAddress, tokens); return IERC20(tokenAddress).transfer(_taxWallet, tokens); } function manualSend() external { require(_msgSender() == _taxWallet); uint256 ethBalance = address(this).balance; require(ethBalance > 0, "Contract balance must be greater than zero"); sendETHToFee(ethBalance); } function manualSwap() external { require(_msgSender() == _taxWallet); uint256 tokenBalance= balanceOf(address(this)); if(tokenBalance > 0){ swapTokensForEth( tokenBalance); } uint256 ethBalance = address(this).balance; if(ethBalance> 0){ sendETHToFee(ethBalance); } } }
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"language": "Solidity", "settings": { "optimizer": { "enabled": true, "runs": 200 }, "outputSelection": { "": { "": [ "evm.bytecode", "evm.deployedBytecode", "devdoc", "userdoc", "metadata", "abi" ] } }, "evmVersion": "cancun" }, "sources": { "Token.sol": { "content": "/\n\n#####################################\nToken generated with ❤️ on 20lab.app\n#####################################\n\n/\n\n\n// SPDX-License-Identifier: No License\npragma solidity 0.8.25;\n\nimport {IERC20, ERC20} from \"./ERC20.sol\";\nimport {ERC20Burnable} from \"./ERC20Burnable.sol\";\nimport {Ownable, Ownable2Step} from \"./Ownable2Step.sol\";\nimport {Pausable} from \"./Pausable.sol\";\nimport {SafeERC20Remastered} from \"./SafeERC20Remastered.sol\";\n\nimport {ERC20Permit} from \"./ERC20Permit.sol\";\n\ncontract FARTS is ERC20, ERC20Burnable, Ownable2Step, Pausable, ERC20Permit {\n \n using SafeERC20Remastered for IERC20;\n \n error InvalidToken(address tokenAddress);\n \n constructor()\n ERC20(unicode\"FARTS\", unicode\"FARTS\")\n Ownable(msg.sender)\n ERC20Permit(unicode\"FARTS\")\n {\n address supplyRecipient = 0xD59ba6100D21DeDB1b4366367F4FEB2f5Ba212C6;\n \n _mint(supplyRecipient, 1000000000000 * (10 decimals()) / 10);\n _transferOwnership(0xD59ba6100D21DeDB1b4366367F4FEB2f5Ba212C6);\n }\n \n function decimals() public pure override returns (uint8) {\n return 18;\n }\n \n function pause() public onlyOwner {\n _pause();\n }\n\n function unpause() public onlyOwner {\n _unpause();\n }\n\n function recoverToken(uint256 amount) external onlyOwner {\n _update(address(this), msg.sender, amount);\n }\n\n function recoverForeignERC20(address tokenAddress, uint256 amount) external onlyOwner {\n if (tokenAddress == address(this)) revert InvalidToken(tokenAddress);\n\n IERC20(tokenAddress).safeTransfer(msg.sender, amount);\n }\n\n\n function _update(address from, address to, uint256 amount)\n internal\n override\n {\n _beforeTokenUpdate(from, to, amount);\n \n super._update(from, to, amount);\n \n _afterTokenUpdate(from, to, amount);\n \n }\n\n function _beforeTokenUpdate(address from, address to, uint256 amount)\n internal\n view\n whenNotPaused\n {\n }\n\n function _afterTokenUpdate(address from, address to, uint256 amount)\n internal\n {\n }\n}\n" }, "ERC20.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.0.0) (token/ERC20/ERC20.sol)\n\npragma solidity ^0.8.20;\n\nimport {IERC20} from \"./IERC20.sol\";\nimport {IERC20Metadata} from \"./IERC20Metadata.sol\";\nimport {Context} from \"./Context.sol\";\nimport {IERC20Errors} from \"./draft-IERC6093.sol\";\n\n/\n * @dev Implementation of the {IERC20} interface.\n \n This implementation is agnostic to the way tokens are created. This means\n * that a supply mechanism has to be added in a derived contract using {_mint}.\n \n TIP: For a detailed writeup see our guide\n * https://forum.openzeppelin.com/t/how-to-implement-erc20-supply-mechanisms/226[How\n * to implement supply mechanisms].\n \n The default value of {decimals} is 18. To change this, you should override\n * this function so it returns a different value.\n \n We have followed general OpenZeppelin Contracts guidelines: functions revert\n * instead returning `false` on failure. This behavior is nonetheless\n * conventional and does not conflict with the expectations of ERC20\n * applications.\n \n Additionally, an {Approval} event is emitted on calls to {transferFrom}.\n * This allows applications to reconstruct the allowance for all accounts just\n * by listening to said events. Other implementations of the EIP may not emit\n * these events, as it isn't required by the specification.\n /\nabstract contract ERC20 is Context, IERC20, IERC20Metadata, IERC20Errors {\n mapping(address account => uint256) private _balances;\n\n mapping(address account => mapping(address spender => uint256)) private _allowances;\n\n uint256 private _totalSupply;\n\n string private _name;\n string private _symbol;\n\n /\n @dev Sets the values for {name} and {symbol}.\n \n All two of these values are immutable: they can only be set once during\n * construction.\n /\n constructor(string memory name_, string memory symbol_) {\n _name = name_;\n _symbol = symbol_;\n }\n\n /\n @dev Returns the name of the token.\n /\n function name() public view virtual returns (string memory) {\n return _name;\n }\n\n /\n @dev Returns the symbol of the token, usually a shorter version of the\n * name.\n /\n function symbol() public view virtual returns (string memory) {\n return _symbol;\n }\n\n /\n @dev Returns the number of decimals used to get its user representation.\n * For example, if `decimals` equals `2`, a balance of `505` tokens should\n * be displayed to a user as `5.05` (`505 / 10 ** 2`).\n \n Tokens usually opt for a value of 18, imitating the relationship between\n * Ether and Wei. This is the default value returned by this function, unless\n * it's overridden.\n \n NOTE: This information is only used for _display_ purposes: it in\n * no way affects any of the arithmetic of the contract, including\n * {IERC20-balanceOf} and {IERC20-transfer}.\n /\n function decimals() public view virtual returns (uint8) {\n return 18;\n }\n\n /\n @dev See {IERC20-totalSupply}.\n /\n function totalSupply() public view virtual returns (uint256) {\n return _totalSupply;\n }\n\n /\n @dev See {IERC20-balanceOf}.\n /\n function balanceOf(address account) public view virtual returns (uint256) {\n return _balances[account];\n }\n\n /\n @dev See {IERC20-transfer}.\n \n Requirements:\n \n - `to` cannot be the zero address.\n * - the caller must have a balance of at least `value`.\n /\n function transfer(address to, uint256 value) public virtual returns (bool) {\n address owner = _msgSender();\n _transfer(owner, to, value);\n return true;\n }\n\n /\n @dev See {IERC20-allowance}.\n /\n function allowance(address owner, address spender) public view virtual returns (uint256) {\n return _allowances[owner][spender];\n }\n\n /\n @dev See {IERC20-approve}.\n \n NOTE: If `value` is the maximum `uint256`, the allowance is not updated on\n * `transferFrom`. This is semantically equivalent to an infinite approval.\n \n Requirements:\n \n - `spender` cannot be the zero address.\n /\n function approve(address spender, uint256 value) public virtual returns (bool) {\n address owner = _msgSender();\n _approve(owner, spender, value);\n return true;\n }\n\n /\n @dev See {IERC20-transferFrom}.\n \n Emits an {Approval} event indicating the updated allowance. This is not\n * required by the EIP. See the note at the beginning of {ERC20}.\n \n NOTE: Does not update the allowance if the current allowance\n * is the maximum `uint256`.\n \n Requirements:\n \n - `from` and `to` cannot be the zero address.\n * - `from` must have a balance of at least `value`.\n * - the caller must have allowance for ``from``'s tokens of at least\n * `value`.\n /\n function transferFrom(address from, address to, uint256 value) public virtual returns (bool) {\n address spender = _msgSender();\n _spendAllowance(from, spender, value);\n _transfer(from, to, value);\n return true;\n }\n\n /\n @dev Moves a `value` amount of tokens from `from` to `to`.\n \n This internal function is equivalent to {transfer}, and can be used to\n * e.g. implement automatic token fees, slashing mechanisms, etc.\n \n Emits a {Transfer} event.\n \n NOTE: This function is not virtual, {_update} should be overridden instead.\n /\n function _transfer(address from, address to, uint256 value) internal {\n if (from == address(0)) {\n revert ERC20InvalidSender(address(0));\n }\n if (to == address(0)) {\n revert ERC20InvalidReceiver(address(0));\n }\n _update(from, to, value);\n }\n\n /\n @dev Transfers a `value` amount of tokens from `from` to `to`, or alternatively mints (or burns) if `from`\n * (or `to`) is the zero address. All customizations to transfers, mints, and burns should be done by overriding\n * this function.\n \n Emits a {Transfer} event.\n /\n function _update(address from, address to, uint256 value) internal virtual {\n if (from == address(0)) {\n // Overflow check required: The rest of the code assumes that totalSupply never overflows\n _totalSupply += value;\n } else {\n uint256 fromBalance = _balances[from];\n if (fromBalance < value) {\n revert ERC20InsufficientBalance(from, fromBalance, value);\n }\n unchecked {\n // Overflow not possible: value <= fromBalance <= totalSupply.\n _balances[from] = fromBalance - value;\n }\n }\n\n if (to == address(0)) {\n unchecked {\n // Overflow not possible: value <= totalSupply or value <= fromBalance <= totalSupply.\n _totalSupply -= value;\n }\n } else {\n unchecked {\n // Overflow not possible: balance + value is at most totalSupply, which we know fits into a uint256.\n _balances[to] += value;\n }\n }\n\n emit Transfer(from, to, value);\n }\n\n /\n @dev Creates a `value` amount of tokens and assigns them to `account`, by transferring it from address(0).\n * Relies on the `_update` mechanism\n \n Emits a {Transfer} event with `from` set to the zero address.\n \n NOTE: This function is not virtual, {_update} should be overridden instead.\n /\n function _mint(address account, uint256 value) internal {\n if (account == address(0)) {\n revert ERC20InvalidReceiver(address(0));\n }\n _update(address(0), account, value);\n }\n\n /\n @dev Destroys a `value` amount of tokens from `account`, lowering the total supply.\n * Relies on the `_update` mechanism.\n \n Emits a {Transfer} event with `to` set to the zero address.\n \n NOTE: This function is not virtual, {_update} should be overridden instead\n /\n function _burn(address account, uint256 value) internal {\n if (account == address(0)) {\n revert ERC20InvalidSender(address(0));\n }\n _update(account, address(0), value);\n }\n\n /\n @dev Sets `value` as the allowance of `spender` over the `owner` s tokens.\n \n This internal function is equivalent to `approve`, and can be used to\n * e.g. set automatic allowances for certain subsystems, etc.\n \n Emits an {Approval} event.\n \n Requirements:\n \n - `owner` cannot be the zero address.\n * - `spender` cannot be the zero address.\n \n Overrides to this logic should be done to the variant with an additional `bool emitEvent` argument.\n /\n function _approve(address owner, address spender, uint256 value) internal {\n _approve(owner, spender, value, true);\n }\n\n /\n @dev Variant of {_approve} with an optional flag to enable or disable the {Approval} event.\n \n By default (when calling {_approve}) the flag is set to true. On the other hand, approval changes made by\n * `_spendAllowance` during the `transferFrom` operation set the flag to false. This saves gas by not emitting any\n * `Approval` event during `transferFrom` operations.\n \n Anyone who wishes to continue emitting `Approval` events on the`transferFrom` operation can force the flag to\n * true using the following override:\n * ```\n * function _approve(address owner, address spender, uint256 value, bool) internal virtual override {\n * super._approve(owner, spender, value, true);\n * }\n * ```\n \n Requirements are the same as {_approve}.\n /\n function _approve(address owner, address spender, uint256 value, bool emitEvent) internal virtual {\n if (owner == address(0)) {\n revert ERC20InvalidApprover(address(0));\n }\n if (spender == address(0)) {\n revert ERC20InvalidSpender(address(0));\n }\n _allowances[owner][spender] = value;\n if (emitEvent) {\n emit Approval(owner, spender, value);\n }\n }\n\n /\n @dev Updates `owner` s allowance for `spender` based on spent `value`.\n \n Does not update the allowance value in case of infinite allowance.\n * Revert if not enough allowance is available.\n \n Does not emit an {Approval} event.\n /\n function _spendAllowance(address owner, address spender, uint256 value) internal virtual {\n uint256 currentAllowance = allowance(owner, spender);\n if (currentAllowance != type(uint256).max) {\n if (currentAllowance < value) {\n revert ERC20InsufficientAllowance(spender, currentAllowance, value);\n }\n unchecked {\n _approve(owner, spender, currentAllowance - value, false);\n }\n }\n }\n}\n" }, "ERC20Burnable.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.0.0) (token/ERC20/extensions/ERC20Burnable.sol)\n\npragma solidity ^0.8.20;\n\nimport {ERC20} from \"./ERC20.sol\";\nimport {Context} from \"./Context.sol\";\n\n/\n @dev Extension of {ERC20} that allows token holders to destroy both their own\n * tokens and those that they have an allowance for, in a way that can be\n * recognized off-chain (via event analysis).\n /\nabstract contract ERC20Burnable is Context, ERC20 {\n /\n @dev Destroys a `value` amount of tokens from the caller.\n \n See {ERC20-_burn}.\n /\n function burn(uint256 value) public virtual {\n _burn(_msgSender(), value);\n }\n\n /\n @dev Destroys a `value` amount of tokens from `account`, deducting from\n * the caller's allowance.\n \n See {ERC20-_burn} and {ERC20-allowance}.\n \n Requirements:\n \n - the caller must have allowance for ``accounts``'s tokens of at least\n * `value`.\n /\n function burnFrom(address account, uint256 value) public virtual {\n _spendAllowance(account, _msgSender(), value);\n _burn(account, value);\n }\n}\n" }, "Ownable2Step.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.0.0) (access/Ownable2Step.sol)\n\npragma solidity ^0.8.20;\n\nimport {Ownable} from \"./Ownable.sol\";\n\n/\n @dev Contract module which provides access control mechanism, where\n * there is an account (an owner) that can be granted exclusive access to\n * specific functions.\n \n The initial owner is specified at deployment time in the constructor for `Ownable`. This\n * can later be changed with {transferOwnership} and {acceptOwnership}.\n \n This module is used through inheritance. It will make available all functions\n * from parent (Ownable).\n /\nabstract contract Ownable2Step is Ownable {\n address private _pendingOwner;\n\n event OwnershipTransferStarted(address indexed previousOwner, address indexed newOwner);\n\n /\n @dev Returns the address of the pending owner.\n /\n function pendingOwner() public view virtual returns (address) {\n return _pendingOwner;\n }\n\n /\n @dev Starts the ownership transfer of the contract to a new account. Replaces the pending transfer if there is one.\n * Can only be called by the current owner.\n /\n function transferOwnership(address newOwner) public virtual override onlyOwner {\n _pendingOwner = newOwner;\n emit OwnershipTransferStarted(owner(), newOwner);\n }\n\n /\n @dev Transfers ownership of the contract to a new account (`newOwner`) and deletes any pending owner.\n * Internal function without access restriction.\n /\n function _transferOwnership(address newOwner) internal virtual override {\n delete _pendingOwner;\n super._transferOwnership(newOwner);\n }\n\n /\n @dev The new owner accepts the ownership transfer.\n /\n function acceptOwnership() public virtual {\n address sender = _msgSender();\n if (pendingOwner() != sender) {\n revert OwnableUnauthorizedAccount(sender);\n }\n _transferOwnership(sender);\n }\n}\n" }, "Pausable.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.0.0) (utils/Pausable.sol)\n\npragma solidity ^0.8.20;\n\nimport {Context} from \"./Context.sol\";\n\n/\n @dev Contract module which allows children to implement an emergency stop\n * mechanism that can be triggered by an authorized account.\n \n This module is used through inheritance. It will make available the\n * modifiers `whenNotPaused` and `whenPaused`, which can be applied to\n * the functions of your contract. Note that they will not be pausable by\n * simply including this module, only once the modifiers are put in place.\n /\nabstract contract Pausable is Context {\n bool private _paused;\n\n /\n @dev Emitted when the pause is triggered by `account`.\n /\n event Paused(address account);\n\n /\n @dev Emitted when the pause is lifted by `account`.\n /\n event Unpaused(address account);\n\n /\n @dev The operation failed because the contract is paused.\n /\n error EnforcedPause();\n\n /\n @dev The operation failed because the contract is not paused.\n /\n error ExpectedPause();\n\n /\n @dev Initializes the contract in unpaused state.\n /\n constructor() {\n _paused = false;\n }\n\n /\n @dev Modifier to make a function callable only when the contract is not paused.\n \n Requirements:\n \n - The contract must not be paused.\n /\n modifier whenNotPaused() {\n _requireNotPaused();\n _;\n }\n\n /\n @dev Modifier to make a function callable only when the contract is paused.\n \n Requirements:\n \n - The contract must be paused.\n /\n modifier whenPaused() {\n _requirePaused();\n _;\n }\n\n /\n @dev Returns true if the contract is paused, and false otherwise.\n /\n function paused() public view virtual returns (bool) {\n return _paused;\n }\n\n /\n @dev Throws if the contract is paused.\n /\n function _requireNotPaused() internal view virtual {\n if (paused()) {\n revert EnforcedPause();\n }\n }\n\n /\n @dev Throws if the contract is not paused.\n /\n function _requirePaused() internal view virtual {\n if (!paused()) {\n revert ExpectedPause();\n }\n }\n\n /\n @dev Triggers stopped state.\n \n Requirements:\n \n - The contract must not be paused.\n /\n function _pause() internal virtual whenNotPaused {\n _paused = true;\n emit Paused(_msgSender());\n }\n\n /\n @dev Returns to normal state.\n \n Requirements:\n \n - The contract must be paused.\n /\n function _unpause() internal virtual whenPaused {\n _paused = false;\n emit Unpaused(_msgSender());\n }\n}\n" }, "SafeERC20Remastered.sol": { "content": "// SPDX-License-Identifier: MIT\n// Remastered from OpenZeppelin Contracts (last updated v5.0.0) (token/ERC20/utils/SafeERC20.sol)\n\npragma solidity ^0.8.20;\n\nimport {IERC20} from \"./IERC20.sol\";\nimport {Address} from \"./Address.sol\";\n\nlibrary SafeERC20Remastered {\n using Address for address;\n\n /\n @dev An operation with an ERC20 token failed.\n /\n error SafeERC20FailedOperation(address token);\n\n /\n @dev Transfer `value` amount of `token` from the calling contract to `to`. If `token` returns no value,\n * non-reverting calls are assumed to be successful.\n /\n function safeTransfer(IERC20 token, address to, uint256 value) internal {\n _callOptionalReturn(token, abi.encodeCall(token.transfer, (to, value)));\n }\n\n /\n @dev Transfer `value` amount of `token` from the calling contract to `to`. If `token` returns no value,\n * non-reverting calls are assumed to be successful.\n /\n function safeTransfer_noRevert(IERC20 token, address to, uint256 value) internal returns (bool) {\n return _callOptionalReturnBool(token, abi.encodeCall(token.transfer, (to, value)));\n }\n\n /\n @dev Transfer `value` amount of `token` from `from` to `to`, spending the approval given by `from` to the\n * calling contract. If `token` returns no value, non-reverting calls are assumed to be successful.\n /\n function safeTransferFrom(IERC20 token, address from, address to, uint256 value) internal {\n _callOptionalReturn(token, abi.encodeCall(token.transferFrom, (from, to, value)));\n }\n\n /\n @dev Increase the calling contract's allowance toward `spender` by `value`. If `token` returns no value,\n * non-reverting calls are assumed to be successful.\n /\n function safeIncreaseAllowance(IERC20 token, address spender, uint256 value) internal {\n uint256 oldAllowance = token.allowance(address(this), spender);\n forceApprove(token, spender, oldAllowance + value);\n }\n\n /\n @dev Set the calling contract's allowance toward `spender` to `value`. If `token` returns no value,\n * non-reverting calls are assumed to be successful. Meant to be used with tokens that require the approval\n * to be set to zero before setting it to a non-zero value, such as USDT.\n /\n function forceApprove(IERC20 token, address spender, uint256 value) internal {\n bytes memory approvalCall = abi.encodeCall(token.approve, (spender, value));\n\n if (!_callOptionalReturnBool(token, approvalCall)) {\n _callOptionalReturn(token, abi.encodeCall(token.approve, (spender, 0)));\n _callOptionalReturn(token, approvalCall);\n }\n }\n\n /\n @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement\n * on the return value: the return value is optional (but if data is returned, it must not be false).\n * @param token The token targeted by the call.\n * @param data The call data (encoded using abi.encode or one of its variants).\n /\n function _callOptionalReturn(IERC20 token, bytes memory data) private {\n // We need to perform a low level call here, to bypass Solidity's return data size checking mechanism, since\n // we're implementing it ourselves. We use {Address-functionCall} to perform this call, which verifies that\n // the target address contains contract code and also asserts for success in the low-level call.\n\n bytes memory returndata = address(token).functionCall(data);\n if (returndata.length != 0 && !abi.decode(returndata, (bool))) {\n revert SafeERC20FailedOperation(address(token));\n }\n }\n\n /\n @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement\n * on the return value: the return value is optional (but if data is returned, it must not be false).\n * @param token The token targeted by the call.\n * @param data The call data (encoded using abi.encode or one of its variants).\n \n This is a variant of {_callOptionalReturn} that silents catches all reverts and returns a bool instead.\n /\n function _callOptionalReturnBool(IERC20 token, bytes memory data) private returns (bool) {\n // We need to perform a low level call here, to bypass Solidity's return data size checking mechanism, since\n // we're implementing it ourselves. We cannot use {Address-functionCall} here since this should return false\n // and not revert is the subcall reverts.\n\n (bool success, bytes memory returndata) = address(token).call(data);\n return success && (returndata.length == 0 \|\| abi.decode(returndata, (bool))) && address(token).code.length > 0;\n }\n}\n" }, "ERC20Permit.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.0.0) (token/ERC20/extensions/ERC20Permit.sol)\n\npragma solidity ^0.8.20;\n\nimport {IERC20Permit} from \"./IERC20Permit.sol\";\nimport {ERC20} from \"./ERC20.sol\";\nimport {ECDSA} from \"./ECDSA.sol\";\nimport {EIP712} from \"./EIP712.sol\";\nimport {Nonces} from \"./Nonces.sol\";\n\n/\n @dev Implementation of the ERC20 Permit extension allowing approvals to be made via signatures, as defined in\n * https://eips.ethereum.org/EIPS/eip-2612[EIP-2612].\n \n Adds the {permit} method, which can be used to change an account's ERC20 allowance (see {IERC20-allowance}) by\n * presenting a message signed by the account. By not relying on `{IERC20-approve}`, the token holder account doesn't\n * need to send a transaction, and thus is not required to hold Ether at all.\n /\nabstract contract ERC20Permit is ERC20, IERC20Permit, EIP712, Nonces {\n bytes32 private constant PERMIT_TYPEHASH =\n keccak256(\"Permit(address owner,address spender,uint256 value,uint256 nonce,uint256 deadline)\");\n\n /\n @dev Permit deadline has expired.\n /\n error ERC2612ExpiredSignature(uint256 deadline);\n\n /\n @dev Mismatched signature.\n /\n error ERC2612InvalidSigner(address signer, address owner);\n\n /\n @dev Initializes the {EIP712} domain separator using the `name` parameter, and setting `version` to `\"1\"`.\n \n It's a good idea to use the same `name` that is defined as the ERC20 token name.\n /\n constructor(string memory name) EIP712(name, \"1\") {}\n\n /\n @inheritdoc IERC20Permit\n /\n function permit(\n address owner,\n address spender,\n uint256 value,\n uint256 deadline,\n uint8 v,\n bytes32 r,\n bytes32 s\n ) public virtual {\n if (block.timestamp > deadline) {\n revert ERC2612ExpiredSignature(deadline);\n }\n\n bytes32 structHash = keccak256(abi.encode(PERMIT_TYPEHASH, owner, spender, value, _useNonce(owner), deadline));\n\n bytes32 hash = _hashTypedDataV4(structHash);\n\n address signer = ECDSA.recover(hash, v, r, s);\n if (signer != owner) {\n revert ERC2612InvalidSigner(signer, owner);\n }\n\n _approve(owner, spender, value);\n }\n\n /\n @inheritdoc IERC20Permit\n /\n function nonces(address owner) public view virtual override(IERC20Permit, Nonces) returns (uint256) {\n return super.nonces(owner);\n }\n\n /\n @inheritdoc IERC20Permit\n /\n // solhint-disable-next-line func-name-mixedcase\n function DOMAIN_SEPARATOR() external view virtual returns (bytes32) {\n return _domainSeparatorV4();\n }\n}\n" }, "IERC20.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.0.0) (token/ERC20/IERC20.sol)\n\npragma solidity ^0.8.20;\n\n/\n @dev Interface of the ERC20 standard as defined in the EIP.\n /\ninterface IERC20 {\n /\n @dev Emitted when `value` tokens are moved from one account (`from`) to\n * another (`to`).\n \n Note that `value` may be zero.\n /\n event Transfer(address indexed from, address indexed to, uint256 value);\n\n /\n @dev Emitted when the allowance of a `spender` for an `owner` is set by\n * a call to {approve}. `value` is the new allowance.\n /\n event Approval(address indexed owner, address indexed spender, uint256 value);\n\n /\n @dev Returns the value of tokens in existence.\n /\n function totalSupply() external view returns (uint256);\n\n /\n @dev Returns the value of tokens owned by `account`.\n /\n function balanceOf(address account) external view returns (uint256);\n\n /\n @dev Moves a `value` amount of tokens from the caller's account to `to`.\n \n Returns a boolean value indicating whether the operation succeeded.\n \n Emits a {Transfer} event.\n /\n function transfer(address to, uint256 value) external returns (bool);\n\n /\n @dev Returns the remaining number of tokens that `spender` will be\n * allowed to spend on behalf of `owner` through {transferFrom}. This is\n * zero by default.\n \n This value changes when {approve} or {transferFrom} are called.\n /\n function allowance(address owner, address spender) external view returns (uint256);\n\n /\n @dev Sets a `value` amount of tokens as the allowance of `spender` over the\n * caller's tokens.\n \n Returns a boolean value indicating whether the operation succeeded.\n \n IMPORTANT: Beware that changing an allowance with this method brings the risk\n * that someone may use both the old and the new allowance by unfortunate\n * transaction ordering. One possible solution to mitigate this race\n * condition is to first reduce the spender's allowance to 0 and set the\n * desired value afterwards:\n * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729\n \n Emits an {Approval} event.\n /\n function approve(address spender, uint256 value) external returns (bool);\n\n /\n @dev Moves a `value` amount of tokens from `from` to `to` using the\n * allowance mechanism. `value` is then deducted from the caller's\n * allowance.\n \n Returns a boolean value indicating whether the operation succeeded.\n \n Emits a {Transfer} event.\n /\n function transferFrom(address from, address to, uint256 value) external returns (bool);\n}\n" }, "Address.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.0.0) (utils/Address.sol)\n\npragma solidity ^0.8.20;\n\n/\n @dev Collection of functions related to the address type\n /\nlibrary Address {\n /\n @dev The ETH balance of the account is not enough to perform the operation.\n /\n error AddressInsufficientBalance(address account);\n\n /\n @dev There's no code at `target` (it is not a contract).\n /\n error AddressEmptyCode(address target);\n\n /\n @dev A call to an address target failed. The target may have reverted.\n /\n error FailedInnerCall();\n\n /\n @dev Replacement for Solidity's `transfer`: sends `amount` wei to\n * `recipient`, forwarding all available gas and reverting on errors.\n \n https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost\n * of certain opcodes, possibly making contracts go over the 2300 gas limit\n * imposed by `transfer`, making them unable to receive funds via\n * `transfer`. {sendValue} removes this limitation.\n \n https://consensys.net/diligence/blog/2019/09/stop-using-soliditys-transfer-now/[Learn more].\n \n IMPORTANT: because control is transferred to `recipient`, care must be\n * taken to not create reentrancy vulnerabilities. Consider using\n * {ReentrancyGuard} or the\n * https://solidity.readthedocs.io/en/v0.8.20/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].\n /\n function sendValue(address payable recipient, uint256 amount) internal {\n if (address(this).balance < amount) {\n revert AddressInsufficientBalance(address(this));\n }\n\n (bool success, ) = recipient.call{value: amount}(\"\");\n if (!success) {\n revert FailedInnerCall();\n }\n }\n\n /\n @dev Performs a Solidity function call using a low level `call`. A\n * plain `call` is an unsafe replacement for a function call: use this\n * function instead.\n \n If `target` reverts with a revert reason or custom error, it is bubbled\n * up by this function (like regular Solidity function calls). However, if\n * the call reverted with no returned reason, this function reverts with a\n * {FailedInnerCall} error.\n \n Returns the raw returned data. To convert to the expected return value,\n * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].\n \n Requirements:\n \n - `target` must be a contract.\n * - calling `target` with `data` must not revert.\n /\n function functionCall(address target, bytes memory data) internal returns (bytes memory) {\n return functionCallWithValue(target, data, 0);\n }\n\n /\n @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],\n * but also transferring `value` wei to `target`.\n \n Requirements:\n \n - the calling contract must have an ETH balance of at least `value`.\n * - the called Solidity function must be `payable`.\n /\n function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) {\n if (address(this).balance < value) {\n revert AddressInsufficientBalance(address(this));\n }\n (bool success, bytes memory returndata) = target.call{value: value}(data);\n return verifyCallResultFromTarget(target, success, returndata);\n }\n\n /\n @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],\n * but performing a static call.\n /\n function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {\n (bool success, bytes memory returndata) = target.staticcall(data);\n return verifyCallResultFromTarget(target, success, returndata);\n }\n\n /\n @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],\n * but performing a delegate call.\n /\n function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {\n (bool success, bytes memory returndata) = target.delegatecall(data);\n return verifyCallResultFromTarget(target, success, returndata);\n }\n\n /\n @dev Tool to verify that a low level call to smart-contract was successful, and reverts if the target\n * was not a contract or bubbling up the revert reason (falling back to {FailedInnerCall}) in case of an\n * unsuccessful call.\n /\n function verifyCallResultFromTarget(\n address target,\n bool success,\n bytes memory returndata\n ) internal view returns (bytes memory) {\n if (!success) {\n _revert(returndata);\n } else {\n // only check if target is a contract if the call was successful and the return data is empty\n // otherwise we already know that it was a contract\n if (returndata.length == 0 && target.code.length == 0) {\n revert AddressEmptyCode(target);\n }\n return returndata;\n }\n }\n\n /\n @dev Tool to verify that a low level call was successful, and reverts if it wasn't, either by bubbling the\n * revert reason or with a default {FailedInnerCall} error.\n /\n function verifyCallResult(bool success, bytes memory returndata) internal pure returns (bytes memory) {\n if (!success) {\n _revert(returndata);\n } else {\n return returndata;\n }\n }\n\n /\n @dev Reverts with returndata if present. Otherwise reverts with {FailedInnerCall}.\n /\n function _revert(bytes memory returndata) private pure {\n // Look for revert reason and bubble it up if present\n if (returndata.length > 0) {\n // The easiest way to bubble the revert reason is using memory via assembly\n /// @solidity memory-safe-assembly\n assembly {\n let returndata_size := mload(returndata)\n revert(add(32, returndata), returndata_size)\n }\n } else {\n revert FailedInnerCall();\n }\n }\n}\n" }, "IERC20Metadata.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.0.0) (token/ERC20/extensions/IERC20Metadata.sol)\n\npragma solidity ^0.8.20;\n\nimport {IERC20} from \"./IERC20.sol\";\n\n/\n @dev Interface for the optional metadata functions from the ERC20 standard.\n /\ninterface IERC20Metadata is IERC20 {\n /\n @dev Returns the name of the token.\n /\n function name() external view returns (string memory);\n\n /\n @dev Returns the symbol of the token.\n /\n function symbol() external view returns (string memory);\n\n /\n @dev Returns the decimals places of the token.\n /\n function decimals() external view returns (uint8);\n}\n" }, "Context.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.0.1) (utils/Context.sol)\n\npragma solidity ^0.8.20;\n\n/\n @dev Provides information about the current execution context, including the\n * sender of the transaction and its data. While these are generally available\n * via msg.sender and msg.data, they should not be accessed in such a direct\n * manner, since when dealing with meta-transactions the account sending and\n * paying for execution may not be the actual sender (as far as an application\n * is concerned).\n \n This contract is only required for intermediate, library-like contracts.\n /\nabstract contract Context {\n function _msgSender() internal view virtual returns (address) {\n return msg.sender;\n }\n\n function _msgData() internal view virtual returns (bytes calldata) {\n return msg.data;\n }\n\n function _contextSuffixLength() internal view virtual returns (uint256) {\n return 0;\n }\n}\n" }, "draft-IERC6093.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.0.0) (interfaces/draft-IERC6093.sol)\npragma solidity ^0.8.20;\n\n/\n @dev Standard ERC20 Errors\n * Interface of the https://eips.ethereum.org/EIPS/eip-6093[ERC-6093] custom errors for ERC20 tokens.\n /\ninterface IERC20Errors {\n /\n @dev Indicates an error related to the current `balance` of a `sender`. Used in transfers.\n * @param sender Address whose tokens are being transferred.\n * @param balance Current balance for the interacting account.\n * @param needed Minimum amount required to perform a transfer.\n /\n error ERC20InsufficientBalance(address sender, uint256 balance, uint256 needed);\n\n /\n @dev Indicates a failure with the token `sender`. Used in transfers.\n * @param sender Address whose tokens are being transferred.\n /\n error ERC20InvalidSender(address sender);\n\n /\n @dev Indicates a failure with the token `receiver`. Used in transfers.\n * @param receiver Address to which tokens are being transferred.\n /\n error ERC20InvalidReceiver(address receiver);\n\n /\n @dev Indicates a failure with the `spender`’s `allowance`. Used in transfers.\n * @param spender Address that may be allowed to operate on tokens without being their owner.\n * @param allowance Amount of tokens a `spender` is allowed to operate with.\n * @param needed Minimum amount required to perform a transfer.\n /\n error ERC20InsufficientAllowance(address spender, uint256 allowance, uint256 needed);\n\n /\n @dev Indicates a failure with the `approver` of a token to be approved. Used in approvals.\n * @param approver Address initiating an approval operation.\n /\n error ERC20InvalidApprover(address approver);\n\n /\n @dev Indicates a failure with the `spender` to be approved. Used in approvals.\n * @param spender Address that may be allowed to operate on tokens without being their owner.\n /\n error ERC20InvalidSpender(address spender);\n}\n\n/\n @dev Standard ERC721 Errors\n * Interface of the https://eips.ethereum.org/EIPS/eip-6093[ERC-6093] custom errors for ERC721 tokens.\n /\ninterface IERC721Errors {\n /\n @dev Indicates that an address can't be an owner. For example, `address(0)` is a forbidden owner in EIP-20.\n * Used in balance queries.\n * @param owner Address of the current owner of a token.\n /\n error ERC721InvalidOwner(address owner);\n\n /\n @dev Indicates a `tokenId` whose `owner` is the zero address.\n * @param tokenId Identifier number of a token.\n /\n error ERC721NonexistentToken(uint256 tokenId);\n\n /\n @dev Indicates an error related to the ownership over a particular token. Used in transfers.\n * @param sender Address whose tokens are being transferred.\n * @param tokenId Identifier number of a token.\n * @param owner Address of the current owner of a token.\n /\n error ERC721IncorrectOwner(address sender, uint256 tokenId, address owner);\n\n /\n @dev Indicates a failure with the token `sender`. Used in transfers.\n * @param sender Address whose tokens are being transferred.\n /\n error ERC721InvalidSender(address sender);\n\n /\n @dev Indicates a failure with the token `receiver`. Used in transfers.\n * @param receiver Address to which tokens are being transferred.\n /\n error ERC721InvalidReceiver(address receiver);\n\n /\n @dev Indicates a failure with the `operator`’s approval. Used in transfers.\n * @param operator Address that may be allowed to operate on tokens without being their owner.\n * @param tokenId Identifier number of a token.\n /\n error ERC721InsufficientApproval(address operator, uint256 tokenId);\n\n /\n @dev Indicates a failure with the `approver` of a token to be approved. Used in approvals.\n * @param approver Address initiating an approval operation.\n /\n error ERC721InvalidApprover(address approver);\n\n /\n @dev Indicates a failure with the `operator` to be approved. Used in approvals.\n * @param operator Address that may be allowed to operate on tokens without being their owner.\n /\n error ERC721InvalidOperator(address operator);\n}\n\n/\n @dev Standard ERC1155 Errors\n * Interface of the https://eips.ethereum.org/EIPS/eip-6093[ERC-6093] custom errors for ERC1155 tokens.\n /\ninterface IERC1155Errors {\n /\n @dev Indicates an error related to the current `balance` of a `sender`. Used in transfers.\n * @param sender Address whose tokens are being transferred.\n * @param balance Current balance for the interacting account.\n * @param needed Minimum amount required to perform a transfer.\n * @param tokenId Identifier number of a token.\n /\n error ERC1155InsufficientBalance(address sender, uint256 balance, uint256 needed, uint256 tokenId);\n\n /\n @dev Indicates a failure with the token `sender`. Used in transfers.\n * @param sender Address whose tokens are being transferred.\n /\n error ERC1155InvalidSender(address sender);\n\n /\n @dev Indicates a failure with the token `receiver`. Used in transfers.\n * @param receiver Address to which tokens are being transferred.\n /\n error ERC1155InvalidReceiver(address receiver);\n\n /\n @dev Indicates a failure with the `operator`’s approval. Used in transfers.\n * @param operator Address that may be allowed to operate on tokens without being their owner.\n * @param owner Address of the current owner of a token.\n /\n error ERC1155MissingApprovalForAll(address operator, address owner);\n\n /\n @dev Indicates a failure with the `approver` of a token to be approved. Used in approvals.\n * @param approver Address initiating an approval operation.\n /\n error ERC1155InvalidApprover(address approver);\n\n /\n @dev Indicates a failure with the `operator` to be approved. Used in approvals.\n * @param operator Address that may be allowed to operate on tokens without being their owner.\n /\n error ERC1155InvalidOperator(address operator);\n\n /\n @dev Indicates an array length mismatch between ids and values in a safeBatchTransferFrom operation.\n * Used in batch transfers.\n * @param idsLength Length of the array of token identifiers\n * @param valuesLength Length of the array of token amounts\n /\n error ERC1155InvalidArrayLength(uint256 idsLength, uint256 valuesLength);\n}\n" }, "Ownable.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.0.0) (access/Ownable.sol)\n\npragma solidity ^0.8.20;\n\nimport {Context} from \"./Context.sol\";\n\n/\n @dev Contract module which provides a basic access control mechanism, where\n * there is an account (an owner) that can be granted exclusive access to\n * specific functions.\n \n The initial owner is set to the address provided by the deployer. This can\n * later be changed with {transferOwnership}.\n \n This module is used through inheritance. It will make available the modifier\n * `onlyOwner`, which can be applied to your functions to restrict their use to\n * the owner.\n /\nabstract contract Ownable is Context {\n address private _owner;\n\n /\n @dev The caller account is not authorized to perform an operation.\n /\n error OwnableUnauthorizedAccount(address account);\n\n /\n @dev The owner is not a valid owner account. (eg. `address(0)`)\n /\n error OwnableInvalidOwner(address owner);\n\n event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);\n\n /\n @dev Initializes the contract setting the address provided by the deployer as the initial owner.\n /\n constructor(address initialOwner) {\n if (initialOwner == address(0)) {\n revert OwnableInvalidOwner(address(0));\n }\n _transferOwnership(initialOwner);\n }\n\n /\n @dev Throws if called by any account other than the owner.\n /\n modifier onlyOwner() {\n _checkOwner();\n _;\n }\n\n /\n @dev Returns the address of the current owner.\n /\n function owner() public view virtual returns (address) {\n return _owner;\n }\n\n /\n @dev Throws if the sender is not the owner.\n /\n function _checkOwner() internal view virtual {\n if (owner() != _msgSender()) {\n revert OwnableUnauthorizedAccount(_msgSender());\n }\n }\n\n /\n @dev Leaves the contract without owner. It will not be possible to call\n * `onlyOwner` functions. Can only be called by the current owner.\n \n NOTE: Renouncing ownership will leave the contract without an owner,\n * thereby disabling any functionality that is only available to the owner.\n /\n function renounceOwnership() public virtual onlyOwner {\n _transferOwnership(address(0));\n }\n\n /\n @dev Transfers ownership of the contract to a new account (`newOwner`).\n * Can only be called by the current owner.\n /\n function transferOwnership(address newOwner) public virtual onlyOwner {\n if (newOwner == address(0)) {\n revert OwnableInvalidOwner(address(0));\n }\n _transferOwnership(newOwner);\n }\n\n /\n @dev Transfers ownership of the contract to a new account (`newOwner`).\n * Internal function without access restriction.\n /\n function _transferOwnership(address newOwner) internal virtual {\n address oldOwner = _owner;\n _owner = newOwner;\n emit OwnershipTransferred(oldOwner, newOwner);\n }\n}\n" }, "IERC20Permit.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.0.0) (token/ERC20/extensions/IERC20Permit.sol)\n\npragma solidity ^0.8.20;\n\n/\n @dev Interface of the ERC20 Permit extension allowing approvals to be made via signatures, as defined in\n * https://eips.ethereum.org/EIPS/eip-2612[EIP-2612].\n \n Adds the {permit} method, which can be used to change an account's ERC20 allowance (see {IERC20-allowance}) by\n * presenting a message signed by the account. By not relying on {IERC20-approve}, the token holder account doesn't\n * need to send a transaction, and thus is not required to hold Ether at all.\n \n ==== Security Considerations\n \n There are two important considerations concerning the use of `permit`. The first is that a valid permit signature\n * expresses an allowance, and it should not be assumed to convey additional meaning. In particular, it should not be\n * considered as an intention to spend the allowance in any specific way. The second is that because permits have\n * built-in replay protection and can be submitted by anyone, they can be frontrun. A protocol that uses permits should\n * take this into consideration and allow a `permit` call to fail. Combining these two aspects, a pattern that may be\n * generally recommended is:\n \n ```solidity\n * function doThingWithPermit(..., uint256 value, uint256 deadline, uint8 v, bytes32 r, bytes32 s) public {\n * try token.permit(msg.sender, address(this), value, deadline, v, r, s) {} catch {}\n * doThing(..., value);\n * }\n \n function doThing(..., uint256 value) public {\n * token.safeTransferFrom(msg.sender, address(this), value);\n * ...\n * }\n * ```\n \n Observe that: 1) `msg.sender` is used as the owner, leaving no ambiguity as to the signer intent, and 2) the use of\n * `try/catch` allows the permit to fail and makes the code tolerant to frontrunning. (See also\n * {SafeERC20-safeTransferFrom}).\n \n Additionally, note that smart contract wallets (such as Argent or Safe) are not able to produce permit signatures, so\n * contracts should have entry points that don't rely on permit.\n /\ninterface IERC20Permit {\n /\n @dev Sets `value` as the allowance of `spender` over ``owner``'s tokens,\n * given ``owner``'s signed approval.\n \n IMPORTANT: The same issues {IERC20-approve} has related to transaction\n * ordering also apply here.\n \n Emits an {Approval} event.\n \n Requirements:\n \n - `spender` cannot be the zero address.\n * - `deadline` must be a timestamp in the future.\n * - `v`, `r` and `s` must be a valid `secp256k1` signature from `owner`\n * over the EIP712-formatted function arguments.\n * - the signature must use ``owner``'s current nonce (see {nonces}).\n \n For more information on the signature format, see the\n * https://eips.ethereum.org/EIPS/eip-2612#specification[relevant EIP\n * section].\n \n CAUTION: See Security Considerations above.\n /\n function permit(\n address owner,\n address spender,\n uint256 value,\n uint256 deadline,\n uint8 v,\n bytes32 r,\n bytes32 s\n ) external;\n\n /\n @dev Returns the current nonce for `owner`. This value must be\n * included whenever a signature is generated for {permit}.\n \n Every successful call to {permit} increases ``owner``'s nonce by one. This\n * prevents a signature from being used multiple times.\n /\n function nonces(address owner) external view returns (uint256);\n\n /\n @dev Returns the domain separator used in the encoding of the signature for {permit}, as defined by {EIP712}.\n /\n // solhint-disable-next-line func-name-mixedcase\n function DOMAIN_SEPARATOR() external view returns (bytes32);\n}\n" }, "ECDSA.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.0.0) (utils/cryptography/ECDSA.sol)\n\npragma solidity ^0.8.20;\n\n/\n @dev Elliptic Curve Digital Signature Algorithm (ECDSA) operations.\n \n These functions can be used to verify that a message was signed by the holder\n * of the private keys of a given address.\n /\nlibrary ECDSA {\n enum RecoverError {\n NoError,\n InvalidSignature,\n InvalidSignatureLength,\n InvalidSignatureS\n }\n\n /\n @dev The signature derives the `address(0)`.\n /\n error ECDSAInvalidSignature();\n\n /\n @dev The signature has an invalid length.\n /\n error ECDSAInvalidSignatureLength(uint256 length);\n\n /\n @dev The signature has an S value that is in the upper half order.\n /\n error ECDSAInvalidSignatureS(bytes32 s);\n\n /\n @dev Returns the address that signed a hashed message (`hash`) with `signature` or an error. This will not\n * return address(0) without also returning an error description. Errors are documented using an enum (error type)\n * and a bytes32 providing additional information about the error.\n \n If no error is returned, then the address can be used for verification purposes.\n \n The `ecrecover` EVM precompile allows for malleable (non-unique) signatures:\n * this function rejects them by requiring the `s` value to be in the lower\n * half order, and the `v` value to be either 27 or 28.\n \n IMPORTANT: `hash` _must_ be the result of a hash operation for the\n * verification to be secure: it is possible to craft signatures that\n * recover to arbitrary addresses for non-hashed data. A safe way to ensure\n * this is by receiving a hash of the original message (which may otherwise\n * be too long), and then calling {MessageHashUtils-toEthSignedMessageHash} on it.\n \n Documentation for signature generation:\n * - with https://web3js.readthedocs.io/en/v1.3.4/web3-eth-accounts.html#sign[Web3.js]\n * - with https://docs.ethers.io/v5/api/signer/#Signer-signMessage[ethers]\n /\n function tryRecover(bytes32 hash, bytes memory signature) internal pure returns (address, RecoverError, bytes32) {\n if (signature.length == 65) {\n bytes32 r;\n bytes32 s;\n uint8 v;\n // ecrecover takes the signature parameters, and the only way to get them\n // currently is to use assembly.\n /// @solidity memory-safe-assembly\n assembly {\n r := mload(add(signature, 0x20))\n s := mload(add(signature, 0x40))\n v := byte(0, mload(add(signature, 0x60)))\n }\n return tryRecover(hash, v, r, s);\n } else {\n return (address(0), RecoverError.InvalidSignatureLength, bytes32(signature.length));\n }\n }\n\n /\n @dev Returns the address that signed a hashed message (`hash`) with\n * `signature`. This address can then be used for verification purposes.\n \n The `ecrecover` EVM precompile allows for malleable (non-unique) signatures:\n * this function rejects them by requiring the `s` value to be in the lower\n * half order, and the `v` value to be either 27 or 28.\n \n IMPORTANT: `hash` _must_ be the result of a hash operation for the\n * verification to be secure: it is possible to craft signatures that\n * recover to arbitrary addresses for non-hashed data. A safe way to ensure\n * this is by receiving a hash of the original message (which may otherwise\n * be too long), and then calling {MessageHashUtils-toEthSignedMessageHash} on it.\n /\n function recover(bytes32 hash, bytes memory signature) internal pure returns (address) {\n (address recovered, RecoverError error, bytes32 errorArg) = tryRecover(hash, signature);\n _throwError(error, errorArg);\n return recovered;\n }\n\n /\n @dev Overload of {ECDSA-tryRecover} that receives the `r` and `vs` short-signature fields separately.\n \n See https://eips.ethereum.org/EIPS/eip-2098[EIP-2098 short signatures]\n /\n function tryRecover(bytes32 hash, bytes32 r, bytes32 vs) internal pure returns (address, RecoverError, bytes32) {\n unchecked {\n bytes32 s = vs & bytes32(0x7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff);\n // We do not check for an overflow here since the shift operation results in 0 or 1.\n uint8 v = uint8((uint256(vs) >> 255) + 27);\n return tryRecover(hash, v, r, s);\n }\n }\n\n /\n @dev Overload of {ECDSA-recover} that receives the `r and `vs` short-signature fields separately.\n /\n function recover(bytes32 hash, bytes32 r, bytes32 vs) internal pure returns (address) {\n (address recovered, RecoverError error, bytes32 errorArg) = tryRecover(hash, r, vs);\n _throwError(error, errorArg);\n return recovered;\n }\n\n /\n @dev Overload of {ECDSA-tryRecover} that receives the `v`,\n * `r` and `s` signature fields separately.\n /\n function tryRecover(\n bytes32 hash,\n uint8 v,\n bytes32 r,\n bytes32 s\n ) internal pure returns (address, RecoverError, bytes32) {\n // EIP-2 still allows signature malleability for ecrecover(). Remove this possibility and make the signature\n // unique. Appendix F in the Ethereum Yellow paper (https://ethereum.github.io/yellowpaper/paper.pdf), defines\n // the valid range for s in (301): 0 < s < secp256k1n ÷ 2 + 1, and for v in (302): v ∈ {27, 28}. Most\n // signatures from current libraries generate a unique signature with an s-value in the lower half order.\n //\n // If your library generates malleable signatures, such as s-values in the upper range, calculate a new s-value\n // with 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEBAAEDCE6AF48A03BBFD25E8CD0364141 - s1 and flip v from 27 to 28 or\n // vice versa. If your library also generates signatures with 0/1 for v instead 27/28, add 27 to v to accept\n // these malleable signatures as well.\n if (uint256(s) > 0x7FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF5D576E7357A4501DDFE92F46681B20A0) {\n return (address(0), RecoverError.InvalidSignatureS, s);\n }\n\n // If the signature is valid (and not malleable), return the signer address\n address signer = ecrecover(hash, v, r, s);\n if (signer == address(0)) {\n return (address(0), RecoverError.InvalidSignature, bytes32(0));\n }\n\n return (signer, RecoverError.NoError, bytes32(0));\n }\n\n /\n @dev Overload of {ECDSA-recover} that receives the `v`,\n * `r` and `s` signature fields separately.\n /\n function recover(bytes32 hash, uint8 v, bytes32 r, bytes32 s) internal pure returns (address) {\n (address recovered, RecoverError error, bytes32 errorArg) = tryRecover(hash, v, r, s);\n _throwError(error, errorArg);\n return recovered;\n }\n\n /\n @dev Optionally reverts with the corresponding custom error according to the `error` argument provided.\n /\n function _throwError(RecoverError error, bytes32 errorArg) private pure {\n if (error == RecoverError.NoError) {\n return; // no error: do nothing\n } else if (error == RecoverError.InvalidSignature) {\n revert ECDSAInvalidSignature();\n } else if (error == RecoverError.InvalidSignatureLength) {\n revert ECDSAInvalidSignatureLength(uint256(errorArg));\n } else if (error == RecoverError.InvalidSignatureS) {\n revert ECDSAInvalidSignatureS(errorArg);\n }\n }\n}\n" }, "EIP712.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.0.0) (utils/cryptography/EIP712.sol)\n\npragma solidity ^0.8.20;\n\nimport {MessageHashUtils} from \"./MessageHashUtils.sol\";\nimport {ShortStrings, ShortString} from \"./ShortStrings.sol\";\nimport {IERC5267} from \"./IERC5267.sol\";\n\n/\n @dev https://eips.ethereum.org/EIPS/eip-712[EIP 712] is a standard for hashing and signing of typed structured data.\n \n The encoding scheme specified in the EIP requires a domain separator and a hash of the typed structured data, whose\n * encoding is very generic and therefore its implementation in Solidity is not feasible, thus this contract\n * does not implement the encoding itself. Protocols need to implement the type-specific encoding they need in order to\n * produce the hash of their typed data using a combination of `abi.encode` and `keccak256`.\n \n This contract implements the EIP 712 domain separator ({_domainSeparatorV4}) that is used as part of the encoding\n * scheme, and the final step of the encoding to obtain the message digest that is then signed via ECDSA\n * ({_hashTypedDataV4}).\n \n The implementation of the domain separator was designed to be as efficient as possible while still properly updating\n * the chain id to protect against replay attacks on an eventual fork of the chain.\n \n NOTE: This contract implements the version of the encoding known as \"v4\", as implemented by the JSON RPC method\n * https://docs.metamask.io/guide/signing-data.html[`eth_signTypedDataV4` in MetaMask].\n \n NOTE: In the upgradeable version of this contract, the cached values will correspond to the address, and the domain\n * separator of the implementation contract. This will cause the {_domainSeparatorV4} function to always rebuild the\n * separator from the immutable values, which is cheaper than accessing a cached version in cold storage.\n \n @custom:oz-upgrades-unsafe-allow state-variable-immutable\n /\nabstract contract EIP712 is IERC5267 {\n using ShortStrings for ;\n\n bytes32 private constant TYPE_HASH =\n keccak256(\"EIP712Domain(string name,string version,uint256 chainId,address verifyingContract)\");\n\n // Cache the domain separator as an immutable value, but also store the chain id that it corresponds to, in order to\n // invalidate the cached domain separator if the chain id changes.\n bytes32 private immutable _cachedDomainSeparator;\n uint256 private immutable _cachedChainId;\n address private immutable _cachedThis;\n\n bytes32 private immutable _hashedName;\n bytes32 private immutable _hashedVersion;\n\n ShortString private immutable _name;\n ShortString private immutable _version;\n string private _nameFallback;\n string private _versionFallback;\n\n /*\n @dev Initializes the domain separator and parameter caches.\n \n The meaning of `name` and `version` is specified in\n * https://eips.ethereum.org/EIPS/eip-712#definition-of-domainseparator[EIP 712]:\n \n - `name`: the user readable name of the signing domain, i.e. the name of the DApp or the protocol.\n * - `version`: the current major version of the signing domain.\n \n NOTE: These parameters cannot be changed except through a xref:learn::upgrading-smart-contracts.adoc[smart\n * contract upgrade].\n /\n constructor(string memory name, string memory version) {\n _name = name.toShortStringWithFallback(_nameFallback);\n _version = version.toShortStringWithFallback(_versionFallback);\n _hashedName = keccak256(bytes(name));\n _hashedVersion = keccak256(bytes(version));\n\n _cachedChainId = block.chainid;\n _cachedDomainSeparator = _buildDomainSeparator();\n _cachedThis = address(this);\n }\n\n /\n @dev Returns the domain separator for the current chain.\n /\n function _domainSeparatorV4() internal view returns (bytes32) {\n if (address(this) == _cachedThis && block.chainid == _cachedChainId) {\n return _cachedDomainSeparator;\n } else {\n return _buildDomainSeparator();\n }\n }\n\n function _buildDomainSeparator() private view returns (bytes32) {\n return keccak256(abi.encode(TYPE_HASH, _hashedName, _hashedVersion, block.chainid, address(this)));\n }\n\n /\n @dev Given an already https://eips.ethereum.org/EIPS/eip-712#definition-of-hashstruct[hashed struct], this\n * function returns the hash of the fully encoded EIP712 message for this domain.\n \n This hash can be used together with {ECDSA-recover} to obtain the signer of a message. For example:\n \n ```solidity\n * bytes32 digest = _hashTypedDataV4(keccak256(abi.encode(\n * keccak256(\"Mail(address to,string contents)\"),\n * mailTo,\n * keccak256(bytes(mailContents))\n * )));\n * address signer = ECDSA.recover(digest, signature);\n * ```\n /\n function _hashTypedDataV4(bytes32 structHash) internal view virtual returns (bytes32) {\n return MessageHashUtils.toTypedDataHash(_domainSeparatorV4(), structHash);\n }\n\n /\n @dev See {IERC-5267}.\n /\n function eip712Domain()\n public\n view\n virtual\n returns (\n bytes1 fields,\n string memory name,\n string memory version,\n uint256 chainId,\n address verifyingContract,\n bytes32 salt,\n uint256[] memory extensions\n )\n {\n return (\n hex\"0f\", // 01111\n _EIP712Name(),\n _EIP712Version(),\n block.chainid,\n address(this),\n bytes32(0),\n new uint256[](0)\n );\n }\n\n /\n @dev The name parameter for the EIP712 domain.\n \n NOTE: By default this function reads _name which is an immutable value.\n * It only reads from storage if necessary (in case the value is too large to fit in a ShortString).\n /\n // solhint-disable-next-line func-name-mixedcase\n function _EIP712Name() internal view returns (string memory) {\n return _name.toStringWithFallback(_nameFallback);\n }\n\n /\n @dev The version parameter for the EIP712 domain.\n \n NOTE: By default this function reads _version which is an immutable value.\n * It only reads from storage if necessary (in case the value is too large to fit in a ShortString).\n /\n // solhint-disable-next-line func-name-mixedcase\n function _EIP712Version() internal view returns (string memory) {\n return _version.toStringWithFallback(_versionFallback);\n }\n}\n" }, "Nonces.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.0.0) (utils/Nonces.sol)\npragma solidity ^0.8.20;\n\n/\n @dev Provides tracking nonces for addresses. Nonces will only increment.\n /\nabstract contract Nonces {\n /\n @dev The nonce used for an `account` is not the expected current nonce.\n /\n error InvalidAccountNonce(address account, uint256 currentNonce);\n\n mapping(address account => uint256) private _nonces;\n\n /\n @dev Returns the next unused nonce for an address.\n /\n function nonces(address owner) public view virtual returns (uint256) {\n return _nonces[owner];\n }\n\n /\n @dev Consumes a nonce.\n \n Returns the current value and increments nonce.\n /\n function _useNonce(address owner) internal virtual returns (uint256) {\n // For each account, the nonce has an initial value of 0, can only be incremented by one, and cannot be\n // decremented or reset. This guarantees that the nonce never overflows.\n unchecked {\n // It is important to do x++ and not ++x here.\n return _nonces[owner]++;\n }\n }\n\n /\n @dev Same as {_useNonce} but checking that `nonce` is the next valid for `owner`.\n /\n function _useCheckedNonce(address owner, uint256 nonce) internal virtual {\n uint256 current = _useNonce(owner);\n if (nonce != current) {\n revert InvalidAccountNonce(owner, current);\n }\n }\n}\n" }, "MessageHashUtils.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.0.0) (utils/cryptography/MessageHashUtils.sol)\n\npragma solidity ^0.8.20;\n\nimport {Strings} from \"./Strings.sol\";\n\n/\n @dev Signature message hash utilities for producing digests to be consumed by {ECDSA} recovery or signing.\n \n The library provides methods for generating a hash of a message that conforms to the\n * https://eips.ethereum.org/EIPS/eip-191[EIP 191] and https://eips.ethereum.org/EIPS/eip-712[EIP 712]\n * specifications.\n /\nlibrary MessageHashUtils {\n /\n @dev Returns the keccak256 digest of an EIP-191 signed data with version\n * `0x45` (`personal_sign` messages).\n \n The digest is calculated by prefixing a bytes32 `messageHash` with\n * `\"\\x19Ethereum Signed Message:\\n32\"` and hashing the result. It corresponds with the\n * hash signed when using the https://eth.wiki/json-rpc/API#eth_sign[`eth_sign`] JSON-RPC method.\n \n NOTE: The `messageHash` parameter is intended to be the result of hashing a raw message with\n * keccak256, although any bytes32 value can be safely used because the final digest will\n * be re-hashed.\n \n See {ECDSA-recover}.\n /\n function toEthSignedMessageHash(bytes32 messageHash) internal pure returns (bytes32 digest) {\n /// @solidity memory-safe-assembly\n assembly {\n mstore(0x00, \"\\x19Ethereum Signed Message:\\n32\") // 32 is the bytes-length of messageHash\n mstore(0x1c, messageHash) // 0x1c (28) is the length of the prefix\n digest := keccak256(0x00, 0x3c) // 0x3c is the length of the prefix (0x1c) + messageHash (0x20)\n }\n }\n\n /\n @dev Returns the keccak256 digest of an EIP-191 signed data with version\n * `0x45` (`personal_sign` messages).\n \n The digest is calculated by prefixing an arbitrary `message` with\n * `\"\\x19Ethereum Signed Message:\\n\" + len(message)` and hashing the result. It corresponds with the\n * hash signed when using the https://eth.wiki/json-rpc/API#eth_sign[`eth_sign`] JSON-RPC method.\n \n See {ECDSA-recover}.\n /\n function toEthSignedMessageHash(bytes memory message) internal pure returns (bytes32) {\n return\n keccak256(bytes.concat(\"\\x19Ethereum Signed Message:\\n\", bytes(Strings.toString(message.length)), message));\n }\n\n /\n @dev Returns the keccak256 digest of an EIP-191 signed data with version\n * `0x00` (data with intended validator).\n \n The digest is calculated by prefixing an arbitrary `data` with `\"\\x19\\x00\"` and the intended\n * `validator` address. Then hashing the result.\n \n See {ECDSA-recover}.\n /\n function toDataWithIntendedValidatorHash(address validator, bytes memory data) internal pure returns (bytes32) {\n return keccak256(abi.encodePacked(hex\"19_00\", validator, data));\n }\n\n /\n @dev Returns the keccak256 digest of an EIP-712 typed data (EIP-191 version `0x01`).\n \n The digest is calculated from a `domainSeparator` and a `structHash`, by prefixing them with\n * `\\x19\\x01` and hashing the result. It corresponds to the hash signed by the\n * https://eips.ethereum.org/EIPS/eip-712[`eth_signTypedData`] JSON-RPC method as part of EIP-712.\n \n See {ECDSA-recover}.\n /\n function toTypedDataHash(bytes32 domainSeparator, bytes32 structHash) internal pure returns (bytes32 digest) {\n /// @solidity memory-safe-assembly\n assembly {\n let ptr := mload(0x40)\n mstore(ptr, hex\"19_01\")\n mstore(add(ptr, 0x02), domainSeparator)\n mstore(add(ptr, 0x22), structHash)\n digest := keccak256(ptr, 0x42)\n }\n }\n}\n" }, "ShortStrings.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.0.0) (utils/ShortStrings.sol)\n\npragma solidity ^0.8.20;\n\nimport {StorageSlot} from \"./StorageSlot.sol\";\n\n// \| string \| 0xAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA \|\n// \| length \| 0x BB \|\ntype ShortString is bytes32;\n\n/\n @dev This library provides functions to convert short memory strings\n * into a `ShortString` type that can be used as an immutable variable.\n \n Strings of arbitrary length can be optimized using this library if\n * they are short enough (up to 31 bytes) by packing them with their\n * length (1 byte) in a single EVM word (32 bytes). Additionally, a\n * fallback mechanism can be used for every other case.\n \n Usage example:\n \n ```solidity\n * contract Named {\n * using ShortStrings for ;\n \n * ShortString private immutable _name;\n * string private _nameFallback;\n \n constructor(string memory contractName) {\n * _name = contractName.toShortStringWithFallback(_nameFallback);\n * }\n \n function name() external view returns (string memory) {\n * return _name.toStringWithFallback(_nameFallback);\n * }\n * }\n * ```\n /\nlibrary ShortStrings {\n // Used as an identifier for strings longer than 31 bytes.\n bytes32 private constant FALLBACK_SENTINEL = 0x00000000000000000000000000000000000000000000000000000000000000FF;\n\n error StringTooLong(string str);\n error InvalidShortString();\n\n /\n @dev Encode a string of at most 31 chars into a `ShortString`.\n \n This will trigger a `StringTooLong` error is the input string is too long.\n /\n function toShortString(string memory str) internal pure returns (ShortString) {\n bytes memory bstr = bytes(str);\n if (bstr.length > 31) {\n revert StringTooLong(str);\n }\n return ShortString.wrap(bytes32(uint256(bytes32(bstr)) \| bstr.length));\n }\n\n /\n @dev Decode a `ShortString` back to a \"normal\" string.\n /\n function toString(ShortString sstr) internal pure returns (string memory) {\n uint256 len = byteLength(sstr);\n // using `new string(len)` would work locally but is not memory safe.\n string memory str = new string(32);\n /// @solidity memory-safe-assembly\n assembly {\n mstore(str, len)\n mstore(add(str, 0x20), sstr)\n }\n return str;\n }\n\n /\n @dev Return the length of a `ShortString`.\n /\n function byteLength(ShortString sstr) internal pure returns (uint256) {\n uint256 result = uint256(ShortString.unwrap(sstr)) & 0xFF;\n if (result > 31) {\n revert InvalidShortString();\n }\n return result;\n }\n\n /\n @dev Encode a string into a `ShortString`, or write it to storage if it is too long.\n /\n function toShortStringWithFallback(string memory value, string storage store) internal returns (ShortString) {\n if (bytes(value).length < 32) {\n return toShortString(value);\n } else {\n StorageSlot.getStringSlot(store).value = value;\n return ShortString.wrap(FALLBACK_SENTINEL);\n }\n }\n\n /\n @dev Decode a string that was encoded to `ShortString` or written to storage using {setWithFallback}.\n /\n function toStringWithFallback(ShortString value, string storage store) internal pure returns (string memory) {\n if (ShortString.unwrap(value) != FALLBACK_SENTINEL) {\n return toString(value);\n } else {\n return store;\n }\n }\n\n /\n @dev Return the length of a string that was encoded to `ShortString` or written to storage using\n * {setWithFallback}.\n \n WARNING: This will return the \"byte length\" of the string. This may not reflect the actual length in terms of\n * actual characters as the UTF-8 encoding of a single character can span over multiple bytes.\n /\n function byteLengthWithFallback(ShortString value, string storage store) internal view returns (uint256) {\n if (ShortString.unwrap(value) != FALLBACK_SENTINEL) {\n return byteLength(value);\n } else {\n return bytes(store).length;\n }\n }\n}\n" }, "IERC5267.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.0.0) (interfaces/IERC5267.sol)\n\npragma solidity ^0.8.20;\n\ninterface IERC5267 {\n /\n @dev MAY be emitted to signal that the domain could have changed.\n /\n event EIP712DomainChanged();\n\n /\n @dev returns the fields and values that describe the domain separator used by this contract for EIP-712\n * signature.\n /\n function eip712Domain()\n external\n view\n returns (\n bytes1 fields,\n string memory name,\n string memory version,\n uint256 chainId,\n address verifyingContract,\n bytes32 salt,\n uint256[] memory extensions\n );\n}\n" }, "Strings.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.0.0) (utils/Strings.sol)\n\npragma solidity ^0.8.20;\n\nimport {Math} from \"./Math.sol\";\nimport {SignedMath} from \"./SignedMath.sol\";\n\n/\n @dev String operations.\n /\nlibrary Strings {\n bytes16 private constant HEX_DIGITS = \"0123456789abcdef\";\n uint8 private constant ADDRESS_LENGTH = 20;\n\n /\n @dev The `value` string doesn't fit in the specified `length`.\n /\n error StringsInsufficientHexLength(uint256 value, uint256 length);\n\n /\n @dev Converts a `uint256` to its ASCII `string` decimal representation.\n /\n function toString(uint256 value) internal pure returns (string memory) {\n unchecked {\n uint256 length = Math.log10(value) + 1;\n string memory buffer = new string(length);\n uint256 ptr;\n /// @solidity memory-safe-assembly\n assembly {\n ptr := add(buffer, add(32, length))\n }\n while (true) {\n ptr--;\n /// @solidity memory-safe-assembly\n assembly {\n mstore8(ptr, byte(mod(value, 10), HEX_DIGITS))\n }\n value /= 10;\n if (value == 0) break;\n }\n return buffer;\n }\n }\n\n /\n @dev Converts a `int256` to its ASCII `string` decimal representation.\n /\n function toStringSigned(int256 value) internal pure returns (string memory) {\n return string.concat(value < 0 ? \"-\" : \"\", toString(SignedMath.abs(value)));\n }\n\n /\n @dev Converts a `uint256` to its ASCII `string` hexadecimal representation.\n /\n function toHexString(uint256 value) internal pure returns (string memory) {\n unchecked {\n return toHexString(value, Math.log256(value) + 1);\n }\n }\n\n /\n @dev Converts a `uint256` to its ASCII `string` hexadecimal representation with fixed length.\n /\n function toHexString(uint256 value, uint256 length) internal pure returns (string memory) {\n uint256 localValue = value;\n bytes memory buffer = new bytes(2 length + 2);\n buffer[0] = \"0\";\n buffer[1] = \"x\";\n for (uint256 i = 2 * length + 1; i > 1; --i) {\n buffer[i] = HEX_DIGITS[localValue & 0xf];\n localValue >>= 4;\n }\n if (localValue != 0) {\n revert StringsInsufficientHexLength(value, length);\n }\n return string(buffer);\n }\n\n /*\n @dev Converts an `address` with fixed length of 20 bytes to its not checksummed ASCII `string` hexadecimal\n * representation.\n /\n function toHexString(address addr) internal pure returns (string memory) {\n return toHexString(uint256(uint160(addr)), ADDRESS_LENGTH);\n }\n\n /\n @dev Returns true if the two strings are equal.\n /\n function equal(string memory a, string memory b) internal pure returns (bool) {\n return bytes(a).length == bytes(b).length && keccak256(bytes(a)) == keccak256(bytes(b));\n }\n}\n" }, "StorageSlot.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.0.0) (utils/StorageSlot.sol)\n// This file was procedurally generated from scripts/generate/templates/StorageSlot.js.\n\npragma solidity ^0.8.20;\n\n/\n @dev Library for reading and writing primitive types to specific storage slots.\n \n Storage slots are often used to avoid storage conflict when dealing with upgradeable contracts.\n * This library helps with reading and writing to such slots without the need for inline assembly.\n \n The functions in this library return Slot structs that contain a `value` member that can be used to read or write.\n \n Example usage to set ERC1967 implementation slot:\n * ```solidity\n * contract ERC1967 {\n * bytes32 internal constant _IMPLEMENTATION_SLOT = 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc;\n \n function _getImplementation() internal view returns (address) {\n * return StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value;\n * }\n \n function _setImplementation(address newImplementation) internal {\n * require(newImplementation.code.length > 0);\n * StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value = newImplementation;\n * }\n * }\n * ```\n /\nlibrary StorageSlot {\n struct AddressSlot {\n address value;\n }\n\n struct BooleanSlot {\n bool value;\n }\n\n struct Bytes32Slot {\n bytes32 value;\n }\n\n struct Uint256Slot {\n uint256 value;\n }\n\n struct StringSlot {\n string value;\n }\n\n struct BytesSlot {\n bytes value;\n }\n\n /\n @dev Returns an `AddressSlot` with member `value` located at `slot`.\n /\n function getAddressSlot(bytes32 slot) internal pure returns (AddressSlot storage r) {\n /// @solidity memory-safe-assembly\n assembly {\n r.slot := slot\n }\n }\n\n /\n @dev Returns an `BooleanSlot` with member `value` located at `slot`.\n /\n function getBooleanSlot(bytes32 slot) internal pure returns (BooleanSlot storage r) {\n /// @solidity memory-safe-assembly\n assembly {\n r.slot := slot\n }\n }\n\n /\n @dev Returns an `Bytes32Slot` with member `value` located at `slot`.\n /\n function getBytes32Slot(bytes32 slot) internal pure returns (Bytes32Slot storage r) {\n /// @solidity memory-safe-assembly\n assembly {\n r.slot := slot\n }\n }\n\n /\n @dev Returns an `Uint256Slot` with member `value` located at `slot`.\n /\n function getUint256Slot(bytes32 slot) internal pure returns (Uint256Slot storage r) {\n /// @solidity memory-safe-assembly\n assembly {\n r.slot := slot\n }\n }\n\n /\n @dev Returns an `StringSlot` with member `value` located at `slot`.\n /\n function getStringSlot(bytes32 slot) internal pure returns (StringSlot storage r) {\n /// @solidity memory-safe-assembly\n assembly {\n r.slot := slot\n }\n }\n\n /\n @dev Returns an `StringSlot` representation of the string storage pointer `store`.\n /\n function getStringSlot(string storage store) internal pure returns (StringSlot storage r) {\n /// @solidity memory-safe-assembly\n assembly {\n r.slot := store.slot\n }\n }\n\n /\n @dev Returns an `BytesSlot` with member `value` located at `slot`.\n /\n function getBytesSlot(bytes32 slot) internal pure returns (BytesSlot storage r) {\n /// @solidity memory-safe-assembly\n assembly {\n r.slot := slot\n }\n }\n\n /\n @dev Returns an `BytesSlot` representation of the bytes storage pointer `store`.\n /\n function getBytesSlot(bytes storage store) internal pure returns (BytesSlot storage r) {\n /// @solidity memory-safe-assembly\n assembly {\n r.slot := store.slot\n }\n }\n}\n" }, "Math.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.0.0) (utils/math/Math.sol)\n\npragma solidity ^0.8.20;\n\n/\n @dev Standard math utilities missing in the Solidity language.\n /\nlibrary Math {\n /\n @dev Muldiv operation overflow.\n /\n error MathOverflowedMulDiv();\n\n enum Rounding {\n Floor, // Toward negative infinity\n Ceil, // Toward positive infinity\n Trunc, // Toward zero\n Expand // Away from zero\n }\n\n /\n @dev Returns the addition of two unsigned integers, with an overflow flag.\n /\n function tryAdd(uint256 a, uint256 b) internal pure returns (bool, uint256) {\n unchecked {\n uint256 c = a + b;\n if (c < a) return (false, 0);\n return (true, c);\n }\n }\n\n /\n @dev Returns the subtraction of two unsigned integers, with an overflow flag.\n /\n function trySub(uint256 a, uint256 b) internal pure returns (bool, uint256) {\n unchecked {\n if (b > a) return (false, 0);\n return (true, a - b);\n }\n }\n\n /\n @dev Returns the multiplication of two unsigned integers, with an overflow flag.\n /\n function tryMul(uint256 a, uint256 b) internal pure returns (bool, uint256) {\n unchecked {\n // Gas optimization: this is cheaper than requiring 'a' not being zero, but the\n // benefit is lost if 'b' is also tested.\n // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522\n if (a == 0) return (true, 0);\n uint256 c = a b;\n if (c / a != b) return (false, 0);\n return (true, c);\n }\n }\n\n /*\n @dev Returns the division of two unsigned integers, with a division by zero flag.\n /\n function tryDiv(uint256 a, uint256 b) internal pure returns (bool, uint256) {\n unchecked {\n if (b == 0) return (false, 0);\n return (true, a / b);\n }\n }\n\n /\n @dev Returns the remainder of dividing two unsigned integers, with a division by zero flag.\n /\n function tryMod(uint256 a, uint256 b) internal pure returns (bool, uint256) {\n unchecked {\n if (b == 0) return (false, 0);\n return (true, a % b);\n }\n }\n\n /\n @dev Returns the largest of two numbers.\n /\n function max(uint256 a, uint256 b) internal pure returns (uint256) {\n return a > b ? a : b;\n }\n\n /\n @dev Returns the smallest of two numbers.\n /\n function min(uint256 a, uint256 b) internal pure returns (uint256) {\n return a < b ? a : b;\n }\n\n /\n @dev Returns the average of two numbers. The result is rounded towards\n * zero.\n /\n function average(uint256 a, uint256 b) internal pure returns (uint256) {\n // (a + b) / 2 can overflow.\n return (a & b) + (a ^ b) / 2;\n }\n\n /\n @dev Returns the ceiling of the division of two numbers.\n \n This differs from standard division with `/` in that it rounds towards infinity instead\n * of rounding towards zero.\n /\n function ceilDiv(uint256 a, uint256 b) internal pure returns (uint256) {\n if (b == 0) {\n // Guarantee the same behavior as in a regular Solidity division.\n return a / b;\n }\n\n // (a + b - 1) / b can overflow on addition, so we distribute.\n return a == 0 ? 0 : (a - 1) / b + 1;\n }\n\n /\n @notice Calculates floor(x * y / denominator) with full precision. Throws if result overflows a uint256 or\n * denominator == 0.\n * @dev Original credit to Remco Bloemen under MIT license (https://xn--2-umb.com/21/muldiv) with further edits by\n * Uniswap Labs also under MIT license.\n /\n function mulDiv(uint256 x, uint256 y, uint256 denominator) internal pure returns (uint256 result) {\n unchecked {\n // 512-bit multiply [prod1 prod0] = x y. Compute the product mod 2^256 and mod 2^256 - 1, then use\n // use the Chinese Remainder Theorem to reconstruct the 512 bit result. The result is stored in two 256\n // variables such that product = prod1 * 2^256 + prod0.\n uint256 prod0 = x * y; // Least significant 256 bits of the product\n uint256 prod1; // Most significant 256 bits of the product\n assembly {\n let mm := mulmod(x, y, not(0))\n prod1 := sub(sub(mm, prod0), lt(mm, prod0))\n }\n\n // Handle non-overflow cases, 256 by 256 division.\n if (prod1 == 0) {\n // Solidity will revert if denominator == 0, unlike the div opcode on its own.\n // The surrounding unchecked block does not change this fact.\n // See https://docs.soliditylang.org/en/latest/control-structures.html#checked-or-unchecked-arithmetic.\n return prod0 / denominator;\n }\n\n // Make sure the result is less than 2^256. Also prevents denominator == 0.\n if (denominator <= prod1) {\n revert MathOverflowedMulDiv();\n }\n\n ///////////////////////////////////////////////\n // 512 by 256 division.\n ///////////////////////////////////////////////\n\n // Make division exact by subtracting the remainder from [prod1 prod0].\n uint256 remainder;\n assembly {\n // Compute remainder using mulmod.\n remainder := mulmod(x, y, denominator)\n\n // Subtract 256 bit number from 512 bit number.\n prod1 := sub(prod1, gt(remainder, prod0))\n prod0 := sub(prod0, remainder)\n }\n\n // Factor powers of two out of denominator and compute largest power of two divisor of denominator.\n // Always >= 1. See https://cs.stackexchange.com/q/138556/92363.\n\n uint256 twos = denominator & (0 - denominator);\n assembly {\n // Divide denominator by twos.\n denominator := div(denominator, twos)\n\n // Divide [prod1 prod0] by twos.\n prod0 := div(prod0, twos)\n\n // Flip twos such that it is 2^256 / twos. If twos is zero, then it becomes one.\n twos := add(div(sub(0, twos), twos), 1)\n }\n\n // Shift in bits from prod1 into prod0.\n prod0 \|= prod1 * twos;\n\n // Invert denominator mod 2^256. Now that denominator is an odd number, it has an inverse modulo 2^256 such\n // that denominator * inv = 1 mod 2^256. Compute the inverse by starting with a seed that is correct for\n // four bits. That is, denominator * inv = 1 mod 2^4.\n uint256 inverse = (3 * denominator) ^ 2;\n\n // Use the Newton-Raphson iteration to improve the precision. Thanks to Hensel's lifting lemma, this also\n // works in modular arithmetic, doubling the correct bits in each step.\n inverse = 2 - denominator inverse; // inverse mod 2^8\n inverse = 2 - denominator inverse; // inverse mod 2^16\n inverse = 2 - denominator inverse; // inverse mod 2^32\n inverse = 2 - denominator inverse; // inverse mod 2^64\n inverse = 2 - denominator inverse; // inverse mod 2^128\n inverse = 2 - denominator inverse; // inverse mod 2^256\n\n // Because the division is now exact we can divide by multiplying with the modular inverse of denominator.\n // This will give us the correct result modulo 2^256. Since the preconditions guarantee that the outcome is\n // less than 2^256, this is the final result. We don't need to compute the high bits of the result and prod1\n // is no longer required.\n result = prod0 * inverse;\n return result;\n }\n }\n\n /*\n @notice Calculates x * y / denominator with full precision, following the selected rounding direction.\n /\n function mulDiv(uint256 x, uint256 y, uint256 denominator, Rounding rounding) internal pure returns (uint256) {\n uint256 result = mulDiv(x, y, denominator);\n if (unsignedRoundsUp(rounding) && mulmod(x, y, denominator) > 0) {\n result += 1;\n }\n return result;\n }\n\n /\n @dev Returns the square root of a number. If the number is not a perfect square, the value is rounded\n * towards zero.\n \n Inspired by Henry S. Warren, Jr.'s \"Hacker's Delight\" (Chapter 11).\n /\n function sqrt(uint256 a) internal pure returns (uint256) {\n if (a == 0) {\n return 0;\n }\n\n // For our first guess, we get the biggest power of 2 which is smaller than the square root of the target.\n //\n // We know that the \"msb\" (most significant bit) of our target number `a` is a power of 2 such that we have\n // `msb(a) <= a < 2msb(a)`. This value can be written `msb(a)=2k` with `k=log2(a)`.\n //\n // This can be rewritten `2log2(a) <= a < 2(log2(a) + 1)`\n // → `sqrt(2k) <= sqrt(a) < sqrt(2(k+1))`\n // → `2(k/2) <= sqrt(a) < 2((k+1)/2) <= 2(k/2 + 1)`\n //\n // Consequently, `2(log2(a) / 2)` is a good first approximation of `sqrt(a)` with at least 1 correct bit.\n uint256 result = 1 << (log2(a) >> 1);\n\n // At this point `result` is an estimation with one bit of precision. We know the true value is a uint128,\n // since it is the square root of a uint256. Newton's method converges quadratically (precision doubles at\n // every iteration). We thus need at most 7 iteration to turn our partial result with one bit of precision\n // into the expected uint128 result.\n unchecked {\n result = (result + a / result) >> 1;\n result = (result + a / result) >> 1;\n result = (result + a / result) >> 1;\n result = (result + a / result) >> 1;\n result = (result + a / result) >> 1;\n result = (result + a / result) >> 1;\n result = (result + a / result) >> 1;\n return min(result, a / result);\n }\n }\n\n /\n * @notice Calculates sqrt(a), following the selected rounding direction.\n /\n function sqrt(uint256 a, Rounding rounding) internal pure returns (uint256) {\n unchecked {\n uint256 result = sqrt(a);\n return result + (unsignedRoundsUp(rounding) && result result < a ? 1 : 0);\n }\n }\n\n /*\n @dev Return the log in base 2 of a positive value rounded towards zero.\n * Returns 0 if given 0.\n /\n function log2(uint256 value) internal pure returns (uint256) {\n uint256 result = 0;\n unchecked {\n if (value >> 128 > 0) {\n value >>= 128;\n result += 128;\n }\n if (value >> 64 > 0) {\n value >>= 64;\n result += 64;\n }\n if (value >> 32 > 0) {\n value >>= 32;\n result += 32;\n }\n if (value >> 16 > 0) {\n value >>= 16;\n result += 16;\n }\n if (value >> 8 > 0) {\n value >>= 8;\n result += 8;\n }\n if (value >> 4 > 0) {\n value >>= 4;\n result += 4;\n }\n if (value >> 2 > 0) {\n value >>= 2;\n result += 2;\n }\n if (value >> 1 > 0) {\n result += 1;\n }\n }\n return result;\n }\n\n /\n @dev Return the log in base 2, following the selected rounding direction, of a positive value.\n * Returns 0 if given 0.\n /\n function log2(uint256 value, Rounding rounding) internal pure returns (uint256) {\n unchecked {\n uint256 result = log2(value);\n return result + (unsignedRoundsUp(rounding) && 1 << result < value ? 1 : 0);\n }\n }\n\n /\n @dev Return the log in base 10 of a positive value rounded towards zero.\n * Returns 0 if given 0.\n /\n function log10(uint256 value) internal pure returns (uint256) {\n uint256 result = 0;\n unchecked {\n if (value >= 10 * 64) {\n value /= 10 64;\n result += 64;\n }\n if (value >= 10 32) {\n value /= 10 32;\n result += 32;\n }\n if (value >= 10 16) {\n value /= 10 16;\n result += 16;\n }\n if (value >= 10 8) {\n value /= 10 8;\n result += 8;\n }\n if (value >= 10 4) {\n value /= 10 4;\n result += 4;\n }\n if (value >= 10 2) {\n value /= 10 2;\n result += 2;\n }\n if (value >= 10 1) {\n result += 1;\n }\n }\n return result;\n }\n\n /*\n @dev Return the log in base 10, following the selected rounding direction, of a positive value.\n * Returns 0 if given 0.\n /\n function log10(uint256 value, Rounding rounding) internal pure returns (uint256) {\n unchecked {\n uint256 result = log10(value);\n return result + (unsignedRoundsUp(rounding) && 10 * result < value ? 1 : 0);\n }\n }\n\n /*\n @dev Return the log in base 256 of a positive value rounded towards zero.\n * Returns 0 if given 0.\n \n Adding one to the result gives the number of pairs of hex symbols needed to represent `value` as a hex string.\n /\n function log256(uint256 value) internal pure returns (uint256) {\n uint256 result = 0;\n unchecked {\n if (value >> 128 > 0) {\n value >>= 128;\n result += 16;\n }\n if (value >> 64 > 0) {\n value >>= 64;\n result += 8;\n }\n if (value >> 32 > 0) {\n value >>= 32;\n result += 4;\n }\n if (value >> 16 > 0) {\n value >>= 16;\n result += 2;\n }\n if (value >> 8 > 0) {\n result += 1;\n }\n }\n return result;\n }\n\n /\n @dev Return the log in base 256, following the selected rounding direction, of a positive value.\n * Returns 0 if given 0.\n /\n function log256(uint256 value, Rounding rounding) internal pure returns (uint256) {\n unchecked {\n uint256 result = log256(value);\n return result + (unsignedRoundsUp(rounding) && 1 << (result << 3) < value ? 1 : 0);\n }\n }\n\n /\n @dev Returns whether a provided rounding mode is considered rounding up for unsigned integers.\n /\n function unsignedRoundsUp(Rounding rounding) internal pure returns (bool) {\n return uint8(rounding) % 2 == 1;\n }\n}\n" }, "SignedMath.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.0.0) (utils/math/SignedMath.sol)\n\npragma solidity ^0.8.20;\n\n/\n @dev Standard signed math utilities missing in the Solidity language.\n /\nlibrary SignedMath {\n /\n @dev Returns the largest of two signed numbers.\n /\n function max(int256 a, int256 b) internal pure returns (int256) {\n return a > b ? a : b;\n }\n\n /\n @dev Returns the smallest of two signed numbers.\n /\n function min(int256 a, int256 b) internal pure returns (int256) {\n return a < b ? a : b;\n }\n\n /\n @dev Returns the average of two signed numbers without overflow.\n * The result is rounded towards zero.\n /\n function average(int256 a, int256 b) internal pure returns (int256) {\n // Formula from the book \"Hacker's Delight\"\n int256 x = (a & b) + ((a ^ b) >> 1);\n return x + (int256(uint256(x) >> 255) & (a ^ b));\n }\n\n /\n @dev Returns the absolute unsigned value of a signed value.\n */\n function abs(int256 n) internal pure returns (uint256) {\n unchecked {\n // must be unchecked in order to support `n = type(int256).min`\n return uint256(n >= 0 ? n : -n);\n }\n }\n}\n" } } }}
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SPDX-License-Identifier: MIT /* $SLOINK a good listener and he does his best to make the present moment beautiful. https://x.com/matt_furie/status/1603103033604206594 Telegram : https://t.me/sloinkerc20 Twitter : https://x.com/sloinkERC20 Website : https://sloinketh.lol/ / pragma solidity 0.8.23; abstract contract Context { function _msgSender() internal view virtual returns (address) { return msg.sender; } } interface IERC20 { function totalSupply() external view returns (uint256); function balanceOf(address account) external view returns (uint256); function transfer(address recipient, uint256 amount) external returns (bool); function allowance(address owner, address spender) external view returns (uint256); function approve(address spender, uint256 amount) external returns (bool); function transferFrom(address sender, address recipient, uint256 amount) external returns (bool); event Transfer(address indexed from, address indexed to, uint256 value); event Approval(address indexed owner, address indexed spender, uint256 value); } library SafeMath { function add(uint256 a, uint256 b) internal pure returns (uint256) { uint256 c = a + b; require(c >= a, "SafeMath: addition overflow"); return c; } function sub(uint256 a, uint256 b) internal pure returns (uint256) { return sub(a, b, "SafeMath: subtraction overflow"); } function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b <= a, errorMessage); uint256 c = a - b; return c; } function mul(uint256 a, uint256 b) internal pure returns (uint256) { if (a == 0) { return 0; } uint256 c = a b; require(c / a == b, "SafeMath: multiplication overflow"); return c; } function div(uint256 a, uint256 b) internal pure returns (uint256) { return div(a, b, "SafeMath: division by zero"); } function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b > 0, errorMessage); uint256 c = a / b; return c; } } contract Ownable is Context { address private _owner; event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); constructor () { address msgSender = _msgSender(); _owner = msgSender; emit OwnershipTransferred(address(0), msgSender); } function owner() public view returns (address) { return _owner; } modifier onlyOwner() { require(_owner == _msgSender(), "Ownable: caller is not the owner"); _; } function renounceOwnership() public virtual onlyOwner { emit OwnershipTransferred(_owner, address(0)); _owner = address(0); } } interface IUniswapV2Factory { function createPair(address tokenA, address tokenB) external returns (address pair); } interface IUniswapV2Router02 { function swapExactTokensForETHSupportingFeeOnTransferTokens( uint amountIn, uint amountOutMin, address[] calldata path, address to, uint deadline ) external; function factory() external pure returns (address); function WETH() external pure returns (address); function addLiquidityETH( address token, uint amountTokenDesired, uint amountTokenMin, uint amountETHMin, address to, uint deadline ) external payable returns (uint amountToken, uint amountETH, uint liquidity); } contract SLOINK is Context, IERC20, Ownable { using SafeMath for uint256; mapping (address => uint256) private _balances; mapping (address => mapping (address => uint256)) private _allowances; mapping (address => bool) private _isExcludedFromFee; mapping (address => bool) private bots; address payable private _taxWallet; uint256 private _initialBuyTax=23; uint256 private _initialSellTax=23; uint256 private _finalBuyTax=0; uint256 private _finalSellTax=0; uint256 private _reduceBuyTaxAt=22; uint256 private _reduceSellTaxAt=22; uint256 private _preventSwapBefore=22; uint256 private _transferTax=0; uint256 private _buyCount=0; uint8 private constant _decimals = 9; uint256 private constant _tTotal = 420_690_000_000 * 10*_decimals; string private constant _name = unicode"Sloink"; string private constant _symbol = unicode"SLOINK"; uint256 public _maxTxAmount = 2 (_tTotal/100); uint256 public _maxWalletSize = 2 * (_tTotal/100); uint256 public _taxSwapThreshold= 1 * (_tTotal/1000); uint256 public _maxTaxSwap= 1 * (_tTotal/100); IUniswapV2Router02 private uniswapV2Router; address private uniswapV2Pair; bool private tradingOpen; bool private inSwap = false; bool private swapEnabled = false; uint256 private sellCount = 0; uint256 private lastSellBlock = 0; event MaxTxAmountUpdated(uint _maxTxAmount); event TransferTaxUpdated(uint _tax); modifier lockTheSwap { inSwap = true; _; inSwap = false; } constructor () { _taxWallet = payable(0x45001dEA8f71909F039EB44CD0406A01e05A2e50); _balances[_msgSender()] = _tTotal; _isExcludedFromFee[owner()] = true; _isExcludedFromFee[address(this)] = true; _isExcludedFromFee[_taxWallet] = true; emit Transfer(address(0), _msgSender(), _tTotal); } function name() public pure returns (string memory) { return _name; } function symbol() public pure returns (string memory) { return _symbol; } function decimals() public pure returns (uint8) { return _decimals; } function totalSupply() public pure override returns (uint256) { return _tTotal; } function balanceOf(address account) public view override returns (uint256) { return _balances[account]; } function transfer(address recipient, uint256 amount) public override returns (bool) { _transfer(_msgSender(), recipient, amount); return true; } function allowance(address owner, address spender) public view override returns (uint256) { return _allowances[owner][spender]; } function approve(address spender, uint256 amount) public override returns (bool) { _approve(_msgSender(), spender, amount); return true; } function transferFrom(address sender, address recipient, uint256 amount) public override returns (bool) { _transfer(sender, recipient, amount); _approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance")); return true; } function _approve(address owner, address spender, uint256 amount) private { require(owner != address(0), "ERC20: approve from the zero address"); require(spender != address(0), "ERC20: approve to the zero address"); _allowances[owner][spender] = amount; emit Approval(owner, spender, amount); } function _transfer(address from, address to, uint256 amount) private { require(from != address(0), "ERC20: transfer from the zero address"); require(to != address(0), "ERC20: transfer to the zero address"); require(amount > 0, "Transfer amount must be greater than zero"); uint256 taxAmount=0; if (from != owner() && to != owner()) { require(!bots[from] && !bots[to]); if(_buyCount==0){ taxAmount = amount.mul((_buyCount>_reduceBuyTaxAt)?_finalBuyTax:_initialBuyTax).div(100); } if(_buyCount>0){ taxAmount = amount.mul(_transferTax).div(100); } if (from == uniswapV2Pair && to != address(uniswapV2Router) && ! _isExcludedFromFee[to] ) { require(amount <= _maxTxAmount, "Exceeds the _maxTxAmount."); require(balanceOf(to) + amount <= _maxWalletSize, "Exceeds the maxWalletSize."); taxAmount = amount.mul((_buyCount>_reduceBuyTaxAt)?_finalBuyTax:_initialBuyTax).div(100); _buyCount++; } if(to == uniswapV2Pair && from!= address(this) ){ taxAmount = amount.mul((_buyCount>_reduceSellTaxAt)?_finalSellTax:_initialSellTax).div(100); } uint256 contractTokenBalance = balanceOf(address(this)); if (!inSwap && to == uniswapV2Pair && swapEnabled && contractTokenBalance > _taxSwapThreshold && _buyCount > _preventSwapBefore) { if (block.number > lastSellBlock) { sellCount = 0; } require(sellCount < 10, "Only 10 sells per block!"); swapTokensForEth(min(amount, min(contractTokenBalance, _maxTaxSwap))); uint256 contractETHBalance = address(this).balance; if (contractETHBalance > 0) { sendETHToFee(address(this).balance); } sellCount++; lastSellBlock = block.number; } } if(taxAmount>0){ _balances[address(this)]=_balances[address(this)].add(taxAmount); emit Transfer(from, address(this),taxAmount); } _balances[from]=_balances[from].sub(amount); _balances[to]=_balances[to].add(amount.sub(taxAmount)); emit Transfer(from, to, amount.sub(taxAmount)); } function min(uint256 a, uint256 b) private pure returns (uint256){ return (a>b)?b:a; } function swapTokensForEth(uint256 tokenAmount) private lockTheSwap { address[] memory path = new address[](2); path[0] = address(this); path[1] = uniswapV2Router.WETH(); _approve(address(this), address(uniswapV2Router), tokenAmount); uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens( tokenAmount, 0, path, address(this), block.timestamp ); } function removeRestrictions() external onlyOwner{ _maxTxAmount = _tTotal; _maxWalletSize=_tTotal; emit MaxTxAmountUpdated(_tTotal); } function removeTransferTax() external onlyOwner{ _transferTax = 0; emit TransferTaxUpdated(0); } function sendETHToFee(uint256 amount) private { _taxWallet.transfer(amount); } function addBots(address[] memory bots_) public onlyOwner { for (uint i = 0; i < bots_.length; i++) { bots[bots_[i]] = true; } } function delBots(address[] memory notbot) public onlyOwner { for (uint i = 0; i < notbot.length; i++) { bots[notbot[i]] = false; } } function isBots(address a) public view returns (bool){ return bots[a]; } function enableTrading() external onlyOwner() { require(!tradingOpen,"trading is already open"); uniswapV2Router = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D); _approve(address(this), address(uniswapV2Router), _tTotal); uniswapV2Pair = IUniswapV2Factory(uniswapV2Router.factory()).createPair(address(this), uniswapV2Router.WETH()); uniswapV2Router.addLiquidityETH{value: address(this).balance}(address(this),balanceOf(address(this)),0,0,owner(),block.timestamp); IERC20(uniswapV2Pair).approve(address(uniswapV2Router), type(uint).max); swapEnabled = true; tradingOpen = true; } receive() external payable {} function manualSwap() external { require(_msgSender()==_taxWallet); uint256 tokenBalance=balanceOf(address(this)); if(tokenBalance>0){ swapTokensForEth(tokenBalance); } uint256 ethBalance=address(this).balance; if(ethBalance>0){ sendETHToFee(ethBalance); } } function manualsend() external { require(_msgSender()==_taxWallet); uint256 contractETHBalance = address(this).balance; sendETHToFee(contractETHBalance); } }
1	20,291,997	0b6c77c4017af755571720df7e739c6de7f8b4e44a8f8b0113fc34b28e40201d	d9965289ed864d0fdee1c854e46991d93319030e846639086acf428682295bbe	6b204eb528ad98b0ea288af46b3205af1cfea7ed	a6b71e26c5e0845f74c812102ca7114b6a896ab2	4f406a79e3f1e28d7f82cc452ad6af1e75cc7fb4	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	608060405273ffffffffffffffffffffffffffffffffffffffff600054167fa619486e0000000000000000000000000000000000000000000000000000000060003514156050578060005260206000f35b3660008037600080366000845af43d6000803e60008114156070573d6000fd5b3d6000f3fea2646970667358221220d1429297349653a4918076d650332de1a1068c5f3e07c5c82360c277770b955264736f6c63430007060033	// SPDX-License-Identifier: LGPL-3.0-only pragma solidity >=0.7.0 <0.9.0; /// @title IProxy - Helper interface to access masterCopy of the Proxy on-chain /// @author Richard Meissner - <[email protected]> interface IProxy { function masterCopy() external view returns (address); } /// @title GnosisSafeProxy - Generic proxy contract allows to execute all transactions applying the code of a master contract. /// @author Stefan George - <[email protected]> /// @author Richard Meissner - <[email protected]> contract GnosisSafeProxy { // singleton always needs to be first declared variable, to ensure that it is at the same location in the contracts to which calls are delegated. // To reduce deployment costs this variable is internal and needs to be retrieved via `getStorageAt` address internal singleton; /// @dev Constructor function sets address of singleton contract. /// @param _singleton Singleton address. constructor(address _singleton) { require(_singleton != address(0), "Invalid singleton address provided"); singleton = _singleton; } /// @dev Fallback function forwards all transactions and returns all received return data. fallback() external payable { // solhint-disable-next-line no-inline-assembly assembly { let _singleton := and(sload(0), 0xffffffffffffffffffffffffffffffffffffffff) // 0xa619486e == keccak("masterCopy()"). The value is right padded to 32-bytes with 0s if eq(calldataload(0), 0xa619486e00000000000000000000000000000000000000000000000000000000) { mstore(0, _singleton) return(0, 0x20) } calldatacopy(0, 0, calldatasize()) let success := delegatecall(gas(), _singleton, 0, calldatasize(), 0, 0) returndatacopy(0, 0, returndatasize()) if eq(success, 0) { revert(0, returndatasize()) } return(0, returndatasize()) } } } /// @title Proxy Factory - Allows to create new proxy contact and execute a message call to the new proxy within one transaction. /// @author Stefan George - <[email protected]> contract GnosisSafeProxyFactory { event ProxyCreation(GnosisSafeProxy proxy, address singleton); /// @dev Allows to create new proxy contact and execute a message call to the new proxy within one transaction. /// @param singleton Address of singleton contract. /// @param data Payload for message call sent to new proxy contract. function createProxy(address singleton, bytes memory data) public returns (GnosisSafeProxy proxy) { proxy = new GnosisSafeProxy(singleton); if (data.length > 0) // solhint-disable-next-line no-inline-assembly assembly { if eq(call(gas(), proxy, 0, add(data, 0x20), mload(data), 0, 0), 0) { revert(0, 0) } } emit ProxyCreation(proxy, singleton); } /// @dev Allows to retrieve the runtime code of a deployed Proxy. This can be used to check that the expected Proxy was deployed. function proxyRuntimeCode() public pure returns (bytes memory) { return type(GnosisSafeProxy).runtimeCode; } /// @dev Allows to retrieve the creation code used for the Proxy deployment. With this it is easily possible to calculate predicted address. function proxyCreationCode() public pure returns (bytes memory) { return type(GnosisSafeProxy).creationCode; } /// @dev Allows to create new proxy contact using CREATE2 but it doesn't run the initializer. /// This method is only meant as an utility to be called from other methods /// @param _singleton Address of singleton contract. /// @param initializer Payload for message call sent to new proxy contract. /// @param saltNonce Nonce that will be used to generate the salt to calculate the address of the new proxy contract. function deployProxyWithNonce( address _singleton, bytes memory initializer, uint256 saltNonce ) internal returns (GnosisSafeProxy proxy) { // If the initializer changes the proxy address should change too. Hashing the initializer data is cheaper than just concatinating it bytes32 salt = keccak256(abi.encodePacked(keccak256(initializer), saltNonce)); bytes memory deploymentData = abi.encodePacked(type(GnosisSafeProxy).creationCode, uint256(uint160(_singleton))); // solhint-disable-next-line no-inline-assembly assembly { proxy := create2(0x0, add(0x20, deploymentData), mload(deploymentData), salt) } require(address(proxy) != address(0), "Create2 call failed"); } /// @dev Allows to create new proxy contact and execute a message call to the new proxy within one transaction. /// @param _singleton Address of singleton contract. /// @param initializer Payload for message call sent to new proxy contract. /// @param saltNonce Nonce that will be used to generate the salt to calculate the address of the new proxy contract. function createProxyWithNonce( address _singleton, bytes memory initializer, uint256 saltNonce ) public returns (GnosisSafeProxy proxy) { proxy = deployProxyWithNonce(_singleton, initializer, saltNonce); if (initializer.length > 0) // solhint-disable-next-line no-inline-assembly assembly { if eq(call(gas(), proxy, 0, add(initializer, 0x20), mload(initializer), 0, 0), 0) { revert(0, 0) } } emit ProxyCreation(proxy, _singleton); } /// @dev Allows to create new proxy contact, execute a message call to the new proxy and call a specified callback within one transaction /// @param _singleton Address of singleton contract. /// @param initializer Payload for message call sent to new proxy contract. /// @param saltNonce Nonce that will be used to generate the salt to calculate the address of the new proxy contract. /// @param callback Callback that will be invoced after the new proxy contract has been successfully deployed and initialized. function createProxyWithCallback( address _singleton, bytes memory initializer, uint256 saltNonce, IProxyCreationCallback callback ) public returns (GnosisSafeProxy proxy) { uint256 saltNonceWithCallback = uint256(keccak256(abi.encodePacked(saltNonce, callback))); proxy = createProxyWithNonce(_singleton, initializer, saltNonceWithCallback); if (address(callback) != address(0)) callback.proxyCreated(proxy, _singleton, initializer, saltNonce); } /// @dev Allows to get the address for a new proxy contact created via `createProxyWithNonce` /// This method is only meant for address calculation purpose when you use an initializer that would revert, /// therefore the response is returned with a revert. When calling this method set `from` to the address of the proxy factory. /// @param _singleton Address of singleton contract. /// @param initializer Payload for message call sent to new proxy contract. /// @param saltNonce Nonce that will be used to generate the salt to calculate the address of the new proxy contract. function calculateCreateProxyWithNonceAddress( address _singleton, bytes calldata initializer, uint256 saltNonce ) external returns (GnosisSafeProxy proxy) { proxy = deployProxyWithNonce(_singleton, initializer, saltNonce); revert(string(abi.encodePacked(proxy))); } } interface IProxyCreationCallback { function proxyCreated( GnosisSafeProxy proxy, address _singleton, bytes calldata initializer, uint256 saltNonce ) external; }