UniswapV2Pair Smart Contract Code and ABI

UniswapV2Pair Source Code

{{ "language": "Solidity", "sources": { "contracts/uniswapv2/UniswapV2Pair.sol": { "content": "// SPDX-License-Identifier: MIT\n\npragma solidity =0.6.12;\n\nimport './UniswapV2ERC20.sol';\nimport './libraries/Math.sol';\nimport './libraries/UQ112x112.sol';\nimport './interfaces/IERC20.sol';\nimport './interfaces/IUniswapV2Factory.sol';\nimport './interfaces/IUniswapV2Callee.sol';\n\n\ninterface IMigrator {\n // Return the desired amount of liquidity token that the migrator wants.\n function desiredLiquidity() external view returns (uint256);\n}\n\ncontract UniswapV2Pair is UniswapV2ERC20 {\n using SafeMathUniswap for uint;\n using UQ112x112 for uint224;\n\n uint public constant MINIMUM_LIQUIDITY = 10**3;\n bytes4 private constant SELECTOR = bytes4(keccak256(bytes('transfer(address,uint256)')));\n\n address public factory;\n address public token0;\n address public token1;\n\n uint112 private reserve0; // uses single storage slot, accessible via getReserves\n uint112 private reserve1; // uses single storage slot, accessible via getReserves\n uint32 private blockTimestampLast; // uses single storage slot, accessible via getReserves\n\n uint public price0CumulativeLast;\n uint public price1CumulativeLast;\n uint public kLast; // reserve0 * reserve1, as of immediately after the most recent liquidity event\n\n uint public totalFee; // total fee (parts per thousand) charged for a swap\n uint public alpha; // numerator for the protocol fee factor\n uint public beta; // denominator for the protocol fee factor\n\n uint private unlocked = 1;\n modifier lock() {\n require(unlocked == 1, 'UniswapV2: LOCKED');\n unlocked = 0;\n _;\n unlocked = 1;\n }\n\n function getReserves() public view returns (uint112 _reserve0, uint112 _reserve1, uint32 _blockTimestampLast) {\n _reserve0 = reserve0;\n _reserve1 = reserve1;\n _blockTimestampLast = blockTimestampLast;\n }\n\n function _safeTransfer(address token, address to, uint value) private {\n (bool success, bytes memory data) = token.call(abi.encodeWithSelector(SELECTOR, to, value));\n require(success && (data.length == 0 || abi.decode(data, (bool))), 'UniswapV2: TRANSFER_FAILED');\n }\n\n event Mint(address indexed sender, uint amount0, uint amount1);\n event Burn(address indexed sender, uint amount0, uint amount1, address indexed to);\n event Swap(\n address indexed sender,\n uint amount0In,\n uint amount1In,\n uint amount0Out,\n uint amount1Out,\n address indexed to\n );\n event Sync(uint112 reserve0, uint112 reserve1);\n event FeeUpdated(uint totalFee, uint alpha, uint beta);\n\n constructor() public {\n factory = msg.sender;\n }\n\n // called once by the factory at time of deployment\n function initialize(address _token0, address _token1, uint _totalFee, uint _alpha, uint _beta) external {\n require(msg.sender == factory, 'UniswapV2: FORBIDDEN'); // sufficient check\n require(_alpha > 0,\"_alpha must be greater than 0\");\n require(_beta > _alpha,\"beta should always be later than alpha\");\n require(_totalFee > 0,\"totalFee should not be 0, which will allow free flash swap\");\n token0 = _token0;\n token1 = _token1;\n totalFee = _totalFee;\n alpha = _alpha;\n beta = _beta;\n }\n\n function updateFee(uint _totalFee, uint _alpha, uint _beta) external {\n require(msg.sender == factory, 'UniswapV2: FORBIDDEN');\n totalFee = _totalFee;\n alpha = _alpha;\n beta = _beta;\n\n emit FeeUpdated(_totalFee, _alpha, _beta);\n }\n\n // update reserves and, on the first call per block, price accumulators\n function _update(uint balance0, uint balance1, uint112 _reserve0, uint112 _reserve1) private {\n require(balance0 <= uint112(-1) && balance1 <= uint112(-1), 'UniswapV2: OVERFLOW');\n uint32 blockTimestamp = uint32(block.timestamp % 2**32);\n uint32 timeElapsed = blockTimestamp - blockTimestampLast; // overflow is desired\n if (timeElapsed > 0 && _reserve0 != 0 && _reserve1 != 0) {\n // * never overflows, and + overflow is desired\n price0CumulativeLast += uint(UQ112x112.encode(_reserve1).uqdiv(_reserve0)) * timeElapsed;\n price1CumulativeLast += uint(UQ112x112.encode(_reserve0).uqdiv(_reserve1)) * timeElapsed;\n }\n reserve0 = uint112(balance0);\n reserve1 = uint112(balance1);\n blockTimestampLast = blockTimestamp;\n emit Sync(reserve0, reserve1);\n }\n\n // if fee is on, mint liquidity equivalent to alpha/beta of the growth in sqrt(k)\n function _mintFee(uint112 _reserve0, uint112 _reserve1) private returns (bool feeOn) {\n address feeTo = IUniswapV2Factory(factory).feeTo();\n feeOn = feeTo != address(0);\n uint _kLast = kLast; // gas savings\n if (feeOn) {\n if (_kLast != 0) {\n uint rootK = Math.sqrt(uint(_reserve0).mul(_reserve1));\n uint rootKLast = Math.sqrt(_kLast);\n if (rootK > rootKLast) {\n uint numerator = totalSupply.mul(rootK.sub(rootKLast)).mul(alpha);\n uint denominator = rootK.mul(beta.sub(alpha)).add(rootKLast.mul(alpha));\n uint liquidity = numerator / denominator;\n if (liquidity > 0) _mint(feeTo, liquidity);\n }\n }\n } else if (_kLast != 0) {\n kLast = 0;\n }\n }\n\n // this low-level function should be called from a contract which performs important safety checks\n function mint(address to) external lock returns (uint liquidity) {\n (uint112 _reserve0, uint112 _reserve1,) = getReserves(); // gas savings\n uint balance0 = IERC20Uniswap(token0).balanceOf(address(this));\n uint balance1 = IERC20Uniswap(token1).balanceOf(address(this));\n uint amount0 = balance0.sub(_reserve0);\n uint amount1 = balance1.sub(_reserve1);\n\n bool feeOn = _mintFee(_reserve0, _reserve1);\n uint _totalSupply = totalSupply; // gas savings, must be defined here since totalSupply can update in _mintFee\n if (_totalSupply == 0) {\n address migrator = IUniswapV2Factory(factory).migrator();\n if (msg.sender == migrator) {\n liquidity = IMigrator(migrator).desiredLiquidity();\n require(liquidity > 0 && liquidity != uint256(-1), \"Bad desired liquidity\");\n } else {\n require(migrator == address(0), \"Must not have migrator\");\n liquidity = Math.sqrt(amount0.mul(amount1)).sub(MINIMUM_LIQUIDITY);\n _mint(address(0), MINIMUM_LIQUIDITY); // permanently lock the first MINIMUM_LIQUIDITY tokens\n }\n } else {\n liquidity = Math.min(amount0.mul(_totalSupply) / _reserve0, amount1.mul(_totalSupply) / _reserve1);\n }\n require(liquidity > 0, 'UniswapV2: INSUFFICIENT_LIQUIDITY_MINTED');\n _mint(to, liquidity);\n\n _update(balance0, balance1, _reserve0, _reserve1);\n if (feeOn) kLast = uint(reserve0).mul(reserve1); // reserve0 and reserve1 are up-to-date\n emit Mint(msg.sender, amount0, amount1);\n }\n\n // this low-level function should be called from a contract which performs important safety checks\n function burn(address to) external lock returns (uint amount0, uint amount1) {\n (uint112 _reserve0, uint112 _reserve1,) = getReserves(); // gas savings\n address _token0 = token0; // gas savings\n address _token1 = token1; // gas savings\n uint balance0 = IERC20Uniswap(_token0).balanceOf(address(this));\n uint balance1 = IERC20Uniswap(_token1).balanceOf(address(this));\n uint liquidity = balanceOf[address(this)];\n\n bool feeOn = _mintFee(_reserve0, _reserve1);\n uint _totalSupply = totalSupply; // gas savings, must be defined here since totalSupply can update in _mintFee\n amount0 = liquidity.mul(balance0) / _totalSupply; // using balances ensures pro-rata distribution\n amount1 = liquidity.mul(balance1) / _totalSupply; // using balances ensures pro-rata distribution\n require(amount0 > 0 && amount1 > 0, 'UniswapV2: INSUFFICIENT_LIQUIDITY_BURNED');\n _burn(address(this), liquidity);\n _safeTransfer(_token0, to, amount0);\n _safeTransfer(_token1, to, amount1);\n balance0 = IERC20Uniswap(_token0).balanceOf(address(this));\n balance1 = IERC20Uniswap(_token1).balanceOf(address(this));\n\n _update(balance0, balance1, _reserve0, _reserve1);\n if (feeOn) kLast = uint(reserve0).mul(reserve1); // reserve0 and reserve1 are up-to-date\n emit Burn(msg.sender, amount0, amount1, to);\n }\n\n // this low-level function should be called from a contract which performs important safety checks\n function swap(uint amount0Out, uint amount1Out, address to, bytes calldata data) external lock {\n require(amount0Out > 0 || amount1Out > 0, 'UniswapV2: INSUFFICIENT_OUTPUT_AMOUNT');\n (uint112 _reserve0, uint112 _reserve1,) = getReserves(); // gas savings\n require(amount0Out < _reserve0 && amount1Out < _reserve1, 'UniswapV2: INSUFFICIENT_LIQUIDITY');\n\n uint balance0;\n uint balance1;\n { // scope for _token{0,1}, avoids stack too deep errors\n address _token0 = token0;\n address _token1 = token1;\n require(to != _token0 && to != _token1, 'UniswapV2: INVALID_TO');\n if (amount0Out > 0) _safeTransfer(_token0, to, amount0Out); // optimistically transfer tokens\n if (amount1Out > 0) _safeTransfer(_token1, to, amount1Out); // optimistically transfer tokens\n if (data.length > 0) IUniswapV2Callee(to).uniswapV2Call(msg.sender, amount0Out, amount1Out, data);\n balance0 = IERC20Uniswap(_token0).balanceOf(address(this));\n balance1 = IERC20Uniswap(_token1).balanceOf(address(this));\n }\n uint amount0In = balance0 > _reserve0 - amount0Out ? balance0 - (_reserve0 - amount0Out) : 0;\n uint amount1In = balance1 > _reserve1 - amount1Out ? balance1 - (_reserve1 - amount1Out) : 0;\n require(amount0In > 0 || amount1In > 0, 'UniswapV2: INSUFFICIENT_INPUT_AMOUNT');\n { // scope for reserve{0,1}Adjusted, avoids stack too deep errors\n uint balance0Adjusted = balance0.mul(1000).sub(amount0In.mul(totalFee));\n uint balance1Adjusted = balance1.mul(1000).sub(amount1In.mul(totalFee));\n require(balance0Adjusted.mul(balance1Adjusted) >= uint(_reserve0).mul(_reserve1).mul(1000**2), 'UniswapV2: K');\n }\n\n _update(balance0, balance1, _reserve0, _reserve1);\n emit Swap(msg.sender, amount0In, amount1In, amount0Out, amount1Out, to);\n }\n\n // force balances to match reserves\n function skim(address to) external lock {\n address _token0 = token0; // gas savings\n address _token1 = token1; // gas savings\n _safeTransfer(_token0, to, IERC20Uniswap(_token0).balanceOf(address(this)).sub(reserve0));\n _safeTransfer(_token1, to, IERC20Uniswap(_token1).balanceOf(address(this)).sub(reserve1));\n }\n\n // force reserves to match balances\n function sync() external lock {\n _update(IERC20Uniswap(token0).balanceOf(address(this)), IERC20Uniswap(token1).balanceOf(address(this)), reserve0, reserve1);\n }\n}\n" }, "contracts/uniswapv2/UniswapV2ERC20.sol": { "content": "// SPDX-License-Identifier: MIT\n\npragma solidity =0.6.12;\n\nimport './libraries/SafeMath.sol';\n\ncontract UniswapV2ERC20 {\n using SafeMathUniswap for uint;\n\n string public constant name = 'ShibaSwap LP Token';\n string public constant symbol = 'SSLP';\n uint8 public constant decimals = 18;\n uint public totalSupply;\n mapping(address => uint) public balanceOf;\n mapping(address => mapping(address => uint)) public allowance;\n\n bytes32 public DOMAIN_SEPARATOR;\n // keccak256(\"Permit(address owner,address spender,uint256 value,uint256 nonce,uint256 deadline)\");\n bytes32 public constant PERMIT_TYPEHASH = 0x6e71edae12b1b97f4d1f60370fef10105fa2faae0126114a169c64845d6126c9;\n mapping(address => uint) public nonces;\n\n event Approval(address indexed owner, address indexed spender, uint value);\n event Transfer(address indexed from, address indexed to, uint value);\n\n constructor() public {\n uint chainId;\n assembly {\n chainId := chainid()\n }\n DOMAIN_SEPARATOR = keccak256(\n abi.encode(\n keccak256('EIP712Domain(string name,string version,uint256 chainId,address verifyingContract)'),\n keccak256(bytes(name)),\n keccak256(bytes('1')),\n chainId,\n address(this)\n )\n );\n }\n\n function _mint(address to, uint value) internal {\n totalSupply = totalSupply.add(value);\n balanceOf[to] = balanceOf[to].add(value);\n emit Transfer(address(0), to, value);\n }\n\n function _burn(address from, uint value) internal {\n balanceOf[from] = balanceOf[from].sub(value);\n totalSupply = totalSupply.sub(value);\n emit Transfer(from, address(0), value);\n }\n\n function _approve(address owner, address spender, uint value) private {\n allowance[owner][spender] = value;\n emit Approval(owner, spender, value);\n }\n\n function _transfer(address from, address to, uint value) private {\n balanceOf[from] = balanceOf[from].sub(value);\n balanceOf[to] = balanceOf[to].add(value);\n emit Transfer(from, to, value);\n }\n\n function approve(address spender, uint value) external returns (bool) {\n _approve(msg.sender, spender, value);\n return true;\n }\n\n function transfer(address to, uint value) external returns (bool) {\n _transfer(msg.sender, to, value);\n return true;\n }\n\n function transferFrom(address from, address to, uint value) external returns (bool) {\n if (allowance[from][msg.sender] != uint(-1)) {\n allowance[from][msg.sender] = allowance[from][msg.sender].sub(value);\n }\n _transfer(from, to, value);\n return true;\n }\n\n function permit(address owner, address spender, uint value, uint deadline, uint8 v, bytes32 r, bytes32 s) external {\n require(deadline >= block.timestamp, 'UniswapV2: EXPIRED');\n bytes32 digest = keccak256(\n abi.encodePacked(\n '\\x19\\x01',\n DOMAIN_SEPARATOR,\n keccak256(abi.encode(PERMIT_TYPEHASH, owner, spender, value, nonces[owner]++, deadline))\n )\n );\n address recoveredAddress = ecrecover(digest, v, r, s);\n require(recoveredAddress != address(0) && recoveredAddress == owner, 'UniswapV2: INVALID_SIGNATURE');\n _approve(owner, spender, value);\n }\n}\n" }, "contracts/uniswapv2/libraries/Math.sol": { "content": "// SPDX-License-Identifier: MIT\n\npragma solidity =0.6.12;\n\n// a library for performing various math operations\n\nlibrary Math {\n function min(uint x, uint y) internal pure returns (uint z) {\n z = x < y ? x : y;\n }\n\n // babylonian method (https://en.wikipedia.org/wiki/Methods_of_computing_square_roots#Babylonian_method)\n function sqrt(uint y) internal pure returns (uint z) {\n if (y > 3) {\n z = y;\n uint x = y / 2 + 1;\n while (x < z) {\n z = x;\n x = (y / x + x) / 2;\n }\n } else if (y != 0) {\n z = 1;\n }\n }\n}\n" }, "contracts/uniswapv2/libraries/UQ112x112.sol": { "content": "// SPDX-License-Identifier: MIT\n\npragma solidity =0.6.12;\n\n// a library for handling binary fixed point numbers (https://en.wikipedia.org/wiki/Q_(number_format))\n\n// range: [0, 2**112 - 1]\n// resolution: 1 / 2**112\n\nlibrary UQ112x112 {\n uint224 constant Q112 = 2**112;\n\n // encode a uint112 as a UQ112x112\n function encode(uint112 y) internal pure returns (uint224 z) {\n z = uint224(y) * Q112; // never overflows\n }\n\n // divide a UQ112x112 by a uint112, returning a UQ112x112\n function uqdiv(uint224 x, uint112 y) internal pure returns (uint224 z) {\n z = x / uint224(y);\n }\n}\n" }, "contracts/uniswapv2/interfaces/IERC20.sol": { "content": "// SPDX-License-Identifier: MIT\n\npragma solidity >=0.5.0;\n\ninterface IERC20Uniswap {\n event Approval(address indexed owner, address indexed spender, uint value);\n event Transfer(address indexed from, address indexed to, uint value);\n\n function name() external view returns (string memory);\n function symbol() external view returns (string memory);\n function decimals() external view returns (uint8);\n function totalSupply() external view returns (uint);\n function balanceOf(address owner) external view returns (uint);\n function allowance(address owner, address spender) external view returns (uint);\n\n function approve(address spender, uint value) external returns (bool);\n function transfer(address to, uint value) external returns (bool);\n function transferFrom(address from, address to, uint value) external returns (bool);\n}\n" }, "contracts/uniswapv2/interfaces/IUniswapV2Factory.sol": { "content": "// SPDX-License-Identifier: MIT\n\npragma solidity >=0.5.0;\n\ninterface IUniswapV2Factory {\n event PairCreated(address indexed token0, address indexed token1, address pair, uint);\n\n function feeTo() external view returns (address);\n function feeToSetter() external view returns (address);\n function migrator() external view returns (address);\n\n function totalFeeTopCoin() external view returns (uint);\n function alphaTopCoin() external view returns (uint);\n function betaTopCoin() external view returns (uint);\n function totalFeeRegular() external view returns (uint);\n function alphaRegular() external view returns (uint);\n function betaRegular() external view returns (uint);\n\n function topCoins(address token) external view returns (bool isTopCoin);\n function getPair(address tokenA, address tokenB) external view returns (address pair);\n function allPairs(uint) external view returns (address pair);\n function allPairsLength() external view returns (uint);\n\n function createPair(address tokenA, address tokenB) external returns (address pair);\n\n function setFeeTo(address) external;\n function setFeeToSetter(address) external;\n function setMigrator(address) external;\n}\n" }, "contracts/uniswapv2/interfaces/IUniswapV2Callee.sol": { "content": "// SPDX-License-Identifier: MIT\n\npragma solidity >=0.5.0;\n\ninterface IUniswapV2Callee {\n function uniswapV2Call(address sender, uint amount0, uint amount1, bytes calldata data) external;\n}\n" }, "contracts/uniswapv2/libraries/SafeMath.sol": { "content": "// SPDX-License-Identifier: MIT\n\npragma solidity =0.6.12;\n\n// a library for performing overflow-safe math, courtesy of DappHub (https://github.com/dapphub/ds-math)\n\nlibrary SafeMathUniswap {\n function add(uint x, uint y) internal pure returns (uint z) {\n require((z = x + y) >= x, 'ds-math-add-overflow');\n }\n\n function sub(uint x, uint y) internal pure returns (uint z) {\n require((z = x - y) <= x, 'ds-math-sub-underflow');\n }\n\n function mul(uint x, uint y) internal pure returns (uint z) {\n require(y == 0 || (z = x * y) / y == x, 'ds-math-mul-overflow');\n }\n}\n" } }, "settings": { "optimizer": { "enabled": true, "runs": 5000 }, "outputSelection": { "*": { "*": [ "evm.bytecode", "evm.deployedBytecode", "abi" ] } }, "metadata": { "useLiteralContent": true }, "libraries": {} } }}

< {{
  "language": "Solidity",
  "sources": {
    "contracts/uniswapv2/UniswapV2Pair.sol": {
      "content": "// SPDX-License-Identifier: MIT\n\npragma solidity =0.6.12;\n\nimport './UniswapV2ERC20.sol';\nimport './libraries/Math.sol';\nimport './libraries/UQ112x112.sol';\nimport './interfaces/IERC20.sol';\nimport './interfaces/IUniswapV2Factory.sol';\nimport './interfaces/IUniswapV2Callee.sol';\n\n\ninterface IMigrator {\n    // Return the desired amount of liquidity token that the migrator wants.\n    function desiredLiquidity() external view returns (uint256);\n}\n\ncontract UniswapV2Pair is UniswapV2ERC20 {\n    using SafeMathUniswap  for uint;\n    using UQ112x112 for uint224;\n\n    uint public constant MINIMUM_LIQUIDITY = 10**3;\n    bytes4 private constant SELECTOR = bytes4(keccak256(bytes('transfer(address,uint256)')));\n\n    address public factory;\n    address public token0;\n    address public token1;\n\n    uint112 private reserve0;           // uses single storage slot, accessible via getReserves\n    uint112 private reserve1;           // uses single storage slot, accessible via getReserves\n    uint32  private blockTimestampLast; // uses single storage slot, accessible via getReserves\n\n    uint public price0CumulativeLast;\n    uint public price1CumulativeLast;\n    uint public kLast; // reserve0 * reserve1, as of immediately after the most recent liquidity event\n\n    uint public totalFee; // total fee (parts per thousand) charged for a swap\n    uint public alpha; // numerator for the protocol fee factor\n    uint public beta; // denominator for the protocol fee factor\n\n    uint private unlocked = 1;\n    modifier lock() {\n        require(unlocked == 1, 'UniswapV2: LOCKED');\n        unlocked = 0;\n        _;\n        unlocked = 1;\n    }\n\n    function getReserves() public view returns (uint112 _reserve0, uint112 _reserve1, uint32 _blockTimestampLast) {\n        _reserve0 = reserve0;\n        _reserve1 = reserve1;\n        _blockTimestampLast = blockTimestampLast;\n    }\n\n    function _safeTransfer(address token, address to, uint value) private {\n        (bool success, bytes memory data) = token.call(abi.encodeWithSelector(SELECTOR, to, value));\n        require(success && (data.length == 0 || abi.decode(data, (bool))), 'UniswapV2: TRANSFER_FAILED');\n    }\n\n    event Mint(address indexed sender, uint amount0, uint amount1);\n    event Burn(address indexed sender, uint amount0, uint amount1, address indexed to);\n    event Swap(\n        address indexed sender,\n        uint amount0In,\n        uint amount1In,\n        uint amount0Out,\n        uint amount1Out,\n        address indexed to\n    );\n    event Sync(uint112 reserve0, uint112 reserve1);\n    event FeeUpdated(uint totalFee, uint alpha, uint beta);\n\n    constructor() public {\n        factory = msg.sender;\n    }\n\n    // called once by the factory at time of deployment\n    function initialize(address _token0, address _token1, uint _totalFee, uint _alpha, uint _beta) external {\n        require(msg.sender == factory, 'UniswapV2: FORBIDDEN'); // sufficient check\n        require(_alpha > 0,\"_alpha must be greater than 0\");\n        require(_beta > _alpha,\"beta should always be later than alpha\");\n        require(_totalFee > 0,\"totalFee should not be 0, which will allow free flash swap\");\n        token0 = _token0;\n        token1 = _token1;\n        totalFee = _totalFee;\n        alpha = _alpha;\n        beta = _beta;\n    }\n\n    function updateFee(uint _totalFee, uint _alpha, uint _beta) external {\n        require(msg.sender == factory, 'UniswapV2: FORBIDDEN');\n        totalFee = _totalFee;\n        alpha = _alpha;\n        beta = _beta;\n\n        emit FeeUpdated(_totalFee, _alpha, _beta);\n    }\n\n    // update reserves and, on the first call per block, price accumulators\n    function _update(uint balance0, uint balance1, uint112 _reserve0, uint112 _reserve1) private {\n        require(balance0 <= uint112(-1) && balance1 <= uint112(-1), 'UniswapV2: OVERFLOW');\n        uint32 blockTimestamp = uint32(block.timestamp % 2**32);\n        uint32 timeElapsed = blockTimestamp - blockTimestampLast; // overflow is desired\n        if (timeElapsed > 0 && _reserve0 != 0 && _reserve1 != 0) {\n            // * never overflows, and + overflow is desired\n            price0CumulativeLast += uint(UQ112x112.encode(_reserve1).uqdiv(_reserve0)) * timeElapsed;\n            price1CumulativeLast += uint(UQ112x112.encode(_reserve0).uqdiv(_reserve1)) * timeElapsed;\n        }\n        reserve0 = uint112(balance0);\n        reserve1 = uint112(balance1);\n        blockTimestampLast = blockTimestamp;\n        emit Sync(reserve0, reserve1);\n    }\n\n    // if fee is on, mint liquidity equivalent to alpha/beta of the growth in sqrt(k)\n    function _mintFee(uint112 _reserve0, uint112 _reserve1) private returns (bool feeOn) {\n        address feeTo = IUniswapV2Factory(factory).feeTo();\n        feeOn = feeTo != address(0);\n        uint _kLast = kLast; // gas savings\n        if (feeOn) {\n            if (_kLast != 0) {\n                uint rootK = Math.sqrt(uint(_reserve0).mul(_reserve1));\n                uint rootKLast = Math.sqrt(_kLast);\n                if (rootK > rootKLast) {\n                    uint numerator = totalSupply.mul(rootK.sub(rootKLast)).mul(alpha);\n                    uint denominator = rootK.mul(beta.sub(alpha)).add(rootKLast.mul(alpha));\n                    uint liquidity = numerator / denominator;\n                    if (liquidity > 0) _mint(feeTo, liquidity);\n                }\n            }\n        } else if (_kLast != 0) {\n            kLast = 0;\n        }\n    }\n\n    // this low-level function should be called from a contract which performs important safety checks\n    function mint(address to) external lock returns (uint liquidity) {\n        (uint112 _reserve0, uint112 _reserve1,) = getReserves(); // gas savings\n        uint balance0 = IERC20Uniswap(token0).balanceOf(address(this));\n        uint balance1 = IERC20Uniswap(token1).balanceOf(address(this));\n        uint amount0 = balance0.sub(_reserve0);\n        uint amount1 = balance1.sub(_reserve1);\n\n        bool feeOn = _mintFee(_reserve0, _reserve1);\n        uint _totalSupply = totalSupply; // gas savings, must be defined here since totalSupply can update in _mintFee\n        if (_totalSupply == 0) {\n            address migrator = IUniswapV2Factory(factory).migrator();\n            if (msg.sender == migrator) {\n                liquidity = IMigrator(migrator).desiredLiquidity();\n                require(liquidity > 0 && liquidity != uint256(-1), \"Bad desired liquidity\");\n            } else {\n                require(migrator == address(0), \"Must not have migrator\");\n                liquidity = Math.sqrt(amount0.mul(amount1)).sub(MINIMUM_LIQUIDITY);\n                _mint(address(0), MINIMUM_LIQUIDITY); // permanently lock the first MINIMUM_LIQUIDITY tokens\n            }\n        } else {\n            liquidity = Math.min(amount0.mul(_totalSupply) / _reserve0, amount1.mul(_totalSupply) / _reserve1);\n        }\n        require(liquidity > 0, 'UniswapV2: INSUFFICIENT_LIQUIDITY_MINTED');\n        _mint(to, liquidity);\n\n        _update(balance0, balance1, _reserve0, _reserve1);\n        if (feeOn) kLast = uint(reserve0).mul(reserve1); // reserve0 and reserve1 are up-to-date\n        emit Mint(msg.sender, amount0, amount1);\n    }\n\n    // this low-level function should be called from a contract which performs important safety checks\n    function burn(address to) external lock returns (uint amount0, uint amount1) {\n        (uint112 _reserve0, uint112 _reserve1,) = getReserves(); // gas savings\n        address _token0 = token0;                                // gas savings\n        address _token1 = token1;                                // gas savings\n        uint balance0 = IERC20Uniswap(_token0).balanceOf(address(this));\n        uint balance1 = IERC20Uniswap(_token1).balanceOf(address(this));\n        uint liquidity = balanceOf[address(this)];\n\n        bool feeOn = _mintFee(_reserve0, _reserve1);\n        uint _totalSupply = totalSupply; // gas savings, must be defined here since totalSupply can update in _mintFee\n        amount0 = liquidity.mul(balance0) / _totalSupply; // using balances ensures pro-rata distribution\n        amount1 = liquidity.mul(balance1) / _totalSupply; // using balances ensures pro-rata distribution\n        require(amount0 > 0 && amount1 > 0, 'UniswapV2: INSUFFICIENT_LIQUIDITY_BURNED');\n        _burn(address(this), liquidity);\n        _safeTransfer(_token0, to, amount0);\n        _safeTransfer(_token1, to, amount1);\n        balance0 = IERC20Uniswap(_token0).balanceOf(address(this));\n        balance1 = IERC20Uniswap(_token1).balanceOf(address(this));\n\n        _update(balance0, balance1, _reserve0, _reserve1);\n        if (feeOn) kLast = uint(reserve0).mul(reserve1); // reserve0 and reserve1 are up-to-date\n        emit Burn(msg.sender, amount0, amount1, to);\n    }\n\n    // this low-level function should be called from a contract which performs important safety checks\n    function swap(uint amount0Out, uint amount1Out, address to, bytes calldata data) external lock {\n        require(amount0Out > 0 || amount1Out > 0, 'UniswapV2: INSUFFICIENT_OUTPUT_AMOUNT');\n        (uint112 _reserve0, uint112 _reserve1,) = getReserves(); // gas savings\n        require(amount0Out < _reserve0 && amount1Out < _reserve1, 'UniswapV2: INSUFFICIENT_LIQUIDITY');\n\n        uint balance0;\n        uint balance1;\n        { // scope for _token{0,1}, avoids stack too deep errors\n        address _token0 = token0;\n        address _token1 = token1;\n        require(to != _token0 && to != _token1, 'UniswapV2: INVALID_TO');\n        if (amount0Out > 0) _safeTransfer(_token0, to, amount0Out); // optimistically transfer tokens\n        if (amount1Out > 0) _safeTransfer(_token1, to, amount1Out); // optimistically transfer tokens\n        if (data.length > 0) IUniswapV2Callee(to).uniswapV2Call(msg.sender, amount0Out, amount1Out, data);\n        balance0 = IERC20Uniswap(_token0).balanceOf(address(this));\n        balance1 = IERC20Uniswap(_token1).balanceOf(address(this));\n        }\n        uint amount0In = balance0 > _reserve0 - amount0Out ? balance0 - (_reserve0 - amount0Out) : 0;\n        uint amount1In = balance1 > _reserve1 - amount1Out ? balance1 - (_reserve1 - amount1Out) : 0;\n        require(amount0In > 0 || amount1In > 0, 'UniswapV2: INSUFFICIENT_INPUT_AMOUNT');\n        { // scope for reserve{0,1}Adjusted, avoids stack too deep errors\n        uint balance0Adjusted = balance0.mul(1000).sub(amount0In.mul(totalFee));\n        uint balance1Adjusted = balance1.mul(1000).sub(amount1In.mul(totalFee));\n        require(balance0Adjusted.mul(balance1Adjusted) >= uint(_reserve0).mul(_reserve1).mul(1000**2), 'UniswapV2: K');\n        }\n\n        _update(balance0, balance1, _reserve0, _reserve1);\n        emit Swap(msg.sender, amount0In, amount1In, amount0Out, amount1Out, to);\n    }\n\n    // force balances to match reserves\n    function skim(address to) external lock {\n        address _token0 = token0; // gas savings\n        address _token1 = token1; // gas savings\n        _safeTransfer(_token0, to, IERC20Uniswap(_token0).balanceOf(address(this)).sub(reserve0));\n        _safeTransfer(_token1, to, IERC20Uniswap(_token1).balanceOf(address(this)).sub(reserve1));\n    }\n\n    // force reserves to match balances\n    function sync() external lock {\n        _update(IERC20Uniswap(token0).balanceOf(address(this)), IERC20Uniswap(token1).balanceOf(address(this)), reserve0, reserve1);\n    }\n}\n"
    },
    "contracts/uniswapv2/UniswapV2ERC20.sol": {
      "content": "// SPDX-License-Identifier: MIT\n\npragma solidity =0.6.12;\n\nimport './libraries/SafeMath.sol';\n\ncontract UniswapV2ERC20 {\n    using SafeMathUniswap for uint;\n\n    string public constant name = 'ShibaSwap LP Token';\n    string public constant symbol = 'SSLP';\n    uint8 public constant decimals = 18;\n    uint  public totalSupply;\n    mapping(address => uint) public balanceOf;\n    mapping(address => mapping(address => uint)) public allowance;\n\n    bytes32 public DOMAIN_SEPARATOR;\n    // keccak256(\"Permit(address owner,address spender,uint256 value,uint256 nonce,uint256 deadline)\");\n    bytes32 public constant PERMIT_TYPEHASH = 0x6e71edae12b1b97f4d1f60370fef10105fa2faae0126114a169c64845d6126c9;\n    mapping(address => uint) public nonces;\n\n    event Approval(address indexed owner, address indexed spender, uint value);\n    event Transfer(address indexed from, address indexed to, uint value);\n\n    constructor() public {\n        uint chainId;\n        assembly {\n            chainId := chainid()\n        }\n        DOMAIN_SEPARATOR = keccak256(\n            abi.encode(\n                keccak256('EIP712Domain(string name,string version,uint256 chainId,address verifyingContract)'),\n                keccak256(bytes(name)),\n                keccak256(bytes('1')),\n                chainId,\n                address(this)\n            )\n        );\n    }\n\n    function _mint(address to, uint value) internal {\n        totalSupply = totalSupply.add(value);\n        balanceOf[to] = balanceOf[to].add(value);\n        emit Transfer(address(0), to, value);\n    }\n\n    function _burn(address from, uint value) internal {\n        balanceOf[from] = balanceOf[from].sub(value);\n        totalSupply = totalSupply.sub(value);\n        emit Transfer(from, address(0), value);\n    }\n\n    function _approve(address owner, address spender, uint value) private {\n        allowance[owner][spender] = value;\n        emit Approval(owner, spender, value);\n    }\n\n    function _transfer(address from, address to, uint value) private {\n        balanceOf[from] = balanceOf[from].sub(value);\n        balanceOf[to] = balanceOf[to].add(value);\n        emit Transfer(from, to, value);\n    }\n\n    function approve(address spender, uint value) external returns (bool) {\n        _approve(msg.sender, spender, value);\n        return true;\n    }\n\n    function transfer(address to, uint value) external returns (bool) {\n        _transfer(msg.sender, to, value);\n        return true;\n    }\n\n    function transferFrom(address from, address to, uint value) external returns (bool) {\n        if (allowance[from][msg.sender] != uint(-1)) {\n            allowance[from][msg.sender] = allowance[from][msg.sender].sub(value);\n        }\n        _transfer(from, to, value);\n        return true;\n    }\n\n    function permit(address owner, address spender, uint value, uint deadline, uint8 v, bytes32 r, bytes32 s) external {\n        require(deadline >= block.timestamp, 'UniswapV2: EXPIRED');\n        bytes32 digest = keccak256(\n            abi.encodePacked(\n                '\\x19\\x01',\n                DOMAIN_SEPARATOR,\n                keccak256(abi.encode(PERMIT_TYPEHASH, owner, spender, value, nonces[owner]++, deadline))\n            )\n        );\n        address recoveredAddress = ecrecover(digest, v, r, s);\n        require(recoveredAddress != address(0) && recoveredAddress == owner, 'UniswapV2: INVALID_SIGNATURE');\n        _approve(owner, spender, value);\n    }\n}\n"
    },
    "contracts/uniswapv2/libraries/Math.sol": {
      "content": "// SPDX-License-Identifier: MIT\n\npragma solidity =0.6.12;\n\n// a library for performing various math operations\n\nlibrary Math {\n    function min(uint x, uint y) internal pure returns (uint z) {\n        z = x < y ? x : y;\n    }\n\n    // babylonian method (https://en.wikipedia.org/wiki/Methods_of_computing_square_roots#Babylonian_method)\n    function sqrt(uint y) internal pure returns (uint z) {\n        if (y > 3) {\n            z = y;\n            uint x = y / 2 + 1;\n            while (x < z) {\n                z = x;\n                x = (y / x + x) / 2;\n            }\n        } else if (y != 0) {\n            z = 1;\n        }\n    }\n}\n"
    },
    "contracts/uniswapv2/libraries/UQ112x112.sol": {
      "content": "// SPDX-License-Identifier: MIT\n\npragma solidity =0.6.12;\n\n// a library for handling binary fixed point numbers (https://en.wikipedia.org/wiki/Q_(number_format))\n\n// range: [0, 2**112 - 1]\n// resolution: 1 / 2**112\n\nlibrary UQ112x112 {\n    uint224 constant Q112 = 2**112;\n\n    // encode a uint112 as a UQ112x112\n    function encode(uint112 y) internal pure returns (uint224 z) {\n        z = uint224(y) * Q112; // never overflows\n    }\n\n    // divide a UQ112x112 by a uint112, returning a UQ112x112\n    function uqdiv(uint224 x, uint112 y) internal pure returns (uint224 z) {\n        z = x / uint224(y);\n    }\n}\n"
    },
    "contracts/uniswapv2/interfaces/IERC20.sol": {
      "content": "// SPDX-License-Identifier: MIT\n\npragma solidity >=0.5.0;\n\ninterface IERC20Uniswap {\n    event Approval(address indexed owner, address indexed spender, uint value);\n    event Transfer(address indexed from, address indexed to, uint value);\n\n    function name() external view returns (string memory);\n    function symbol() external view returns (string memory);\n    function decimals() external view returns (uint8);\n    function totalSupply() external view returns (uint);\n    function balanceOf(address owner) external view returns (uint);\n    function allowance(address owner, address spender) external view returns (uint);\n\n    function approve(address spender, uint value) external returns (bool);\n    function transfer(address to, uint value) external returns (bool);\n    function transferFrom(address from, address to, uint value) external returns (bool);\n}\n"
    },
    "contracts/uniswapv2/interfaces/IUniswapV2Factory.sol": {
      "content": "// SPDX-License-Identifier: MIT\n\npragma solidity >=0.5.0;\n\ninterface IUniswapV2Factory {\n    event PairCreated(address indexed token0, address indexed token1, address pair, uint);\n\n    function feeTo() external view returns (address);\n    function feeToSetter() external view returns (address);\n    function migrator() external view returns (address);\n\n    function totalFeeTopCoin() external view returns (uint);\n    function alphaTopCoin() external view returns (uint);\n    function betaTopCoin() external view returns (uint);\n    function totalFeeRegular() external view returns (uint);\n    function alphaRegular() external view returns (uint);\n    function betaRegular() external view returns (uint);\n\n    function topCoins(address token) external view returns (bool isTopCoin);\n    function getPair(address tokenA, address tokenB) external view returns (address pair);\n    function allPairs(uint) external view returns (address pair);\n    function allPairsLength() external view returns (uint);\n\n    function createPair(address tokenA, address tokenB) external returns (address pair);\n\n    function setFeeTo(address) external;\n    function setFeeToSetter(address) external;\n    function setMigrator(address) external;\n}\n"
    },
    "contracts/uniswapv2/interfaces/IUniswapV2Callee.sol": {
      "content": "// SPDX-License-Identifier: MIT\n\npragma solidity >=0.5.0;\n\ninterface IUniswapV2Callee {\n    function uniswapV2Call(address sender, uint amount0, uint amount1, bytes calldata data) external;\n}\n"
    },
    "contracts/uniswapv2/libraries/SafeMath.sol": {
      "content": "// SPDX-License-Identifier: MIT\n\npragma solidity =0.6.12;\n\n// a library for performing overflow-safe math, courtesy of DappHub (https://github.com/dapphub/ds-math)\n\nlibrary SafeMathUniswap {\n    function add(uint x, uint y) internal pure returns (uint z) {\n        require((z = x + y) >= x, 'ds-math-add-overflow');\n    }\n\n    function sub(uint x, uint y) internal pure returns (uint z) {\n        require((z = x - y) <= x, 'ds-math-sub-underflow');\n    }\n\n    function mul(uint x, uint y) internal pure returns (uint z) {\n        require(y == 0 || (z = x * y) / y == x, 'ds-math-mul-overflow');\n    }\n}\n"
    }
  },
  "settings": {
    "optimizer": {
      "enabled": true,
      "runs": 5000
    },
    "outputSelection": {
      "*": {
        "*": [
          "evm.bytecode",
          "evm.deployedBytecode",
          "abi"
        ]
      }
    },
    "metadata": {
      "useLiteralContent": true
    },
    "libraries": {}
  }
}} <

UniswapV2Pair ABI

Download

Copy

UniswapV2Pair Bytecode

Download

Copy

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

UniswapV2Pair

Contract Information

UniswapV2Pair Source Code

UniswapV2Pair ABI

UniswapV2Pair Bytecode

Check out more smart contracts

InitializedProxy

Rocks

KishuInu

Build blockchain magic with Alchemy