Contract 0xC0AEe478e3658e2610c5F7A4A2E1777cE9e4f2Ac 9

 
 
Txn Hash
Method
Block
From
To
Value
0xf29ed654d993b162cd6d0923881f068b6114a332a4610f30c6a3d57cc20c0f17Create Pair150172592022-06-24 7:52:2056 days 8 hrs ago0xa0e5a4d5467d64dc09abc6a6bce5eead2d7a64af IN  SushiSwap: SushiV2Factory0 Ether0.05305074 25.7256634
0x2b3d704691d9bf29e8c9e26529bb0f1a26cf7ed939366f2b3e0230ed36e94645Create Pair149967122022-06-20 13:05:5560 days 3 hrs ago0xa0e5a4d5467d64dc09abc6a6bce5eead2d7a64af IN  SushiSwap: SushiV2Factory0 Ether0.06283227 30.46898091
0x9b8ad1e0c0fa2bd44bf0a795c915ca74dc84cca744c9d21b6f9fb7ccf697653aCreate Pair149966962022-06-20 13:00:3860 days 3 hrs ago0xa0e5a4d5467d64dc09abc6a6bce5eead2d7a64af IN  SushiSwap: SushiV2Factory0 Ether0.04220576 20.4666544
0x0f44d205192d77b8db6f09d9f5480e800f273a492661476914a1cf8f4da4d51eCreate Pair149797422022-06-17 14:44:0663 days 2 hrs agoSaddle.finance: Deployer IN  SushiSwap: SushiV2Factory0 Ether0.1167607656.62028255
0x4e28f422754b5d5fd696739d190915597aca72ab1c350f138d11d39618335681Create Pair149289962022-06-08 21:40:2371 days 19 hrs agoENS Name *🍣👨🍳.eth IN  SushiSwap: SushiV2Factory0 Ether0.19309704 93.63770117
0xf3d416b418b1122b8cf3dc8887e3ae6dfe2c87b8727b9ab1b1bdc8cbc78ddcc5Create Pair148898892022-06-02 8:18:2578 days 8 hrs agoSaddle.finance: Deployer IN  SushiSwap: SushiV2Factory0 Ether0.11215002 54.38467977
0x0ecd6144bbf4d0a698605231ac1f4b748655f63266b40e9ae0046368422906f2Create Pair147071632022-05-03 21:55:47107 days 18 hrs ago0x5727447da212a3783ad9096a80dc78776a47c497 IN  SushiSwap: SushiV2Factory0 Ether0.07284944 35.32673236
0x312334df3cc63d8c4b5232235ec2d0e95e5637a07011615a36a911b18f6b8f3cCreate Pair144414132022-03-23 8:14:28149 days 8 hrs ago0x031d1dd177697f302f93732f781b1e4931e68c38 IN  SushiSwap: SushiV2Factory0 Ether0.03460685 16.78192973
0xe77daa96a200efa7900bd0966fd7d3297508979483cf6523afa10b81165f0c86Create Pair144411732022-03-23 7:15:21149 days 9 hrs ago0xbad9ccdf1504e133e1f15b07a8f6b64d81814910 IN  SushiSwap: SushiV2Factory0 Ether0.04041305 19.59732675
0x7c1885a50c47055e1b4d74cc27c2af81dc93e83105acf2aaf7e7501765b1291dCreate Pair144024772022-03-17 6:49:19155 days 10 hrs agoENS Name *🍣👨🍳.eth IN  SushiSwap: SushiV2Factory0 Ether0.05333512 25.86369143
0xcadf5a3ee36391212f83e6ae923ba795d077ede8a6903d5fafa0d067663d48e1Create Pair143096442022-03-02 20:00:09169 days 20 hrs agoMonastery Finance: Deployer IN  SushiSwap: SushiV2Factory0 Ether0.1649737680
0xd0acb944bf0f45dddc92e73376825a6395a3badf82f86283fa0b3ac5139a46ebCreate Pair142424412022-02-20 10:34:47180 days 6 hrs ago0xd9c9935f4bfac33f38fd3a35265a237836b30bd1 IN  SushiSwap: SushiV2Factory0 Ether0.08248640
0x96a9337a0dc5e90078b4fd39326cdf4436475ac1be2bd62dfe3cd3b2721f05d5Create Pair140945392022-01-28 13:55:29203 days 2 hrs ago0xc577be79d784de92c3d06ed2e60efcf0be2c8cc2 IN  SushiSwap: SushiV2Factory0 Ether0.24377266 118.21160567
0x203a57681449ca6bb3e8b460478c5a4bee06727775eea90f3d3f08421ee58da9Create Pair140945242022-01-28 13:51:14203 days 2 hrs ago0x1b773120a4543c31e23db7717f375fdc43e7b944 IN  SushiSwap: SushiV2Factory0 Ether0.21448383 104.00981478
0xb25303e292047c423453d0a88abfc591ffa654e6d0be0ae71bc19e82fc77607bCreate Pair140638622022-01-23 19:46:25207 days 21 hrs agoSlotie NFT: Deployer IN  SushiSwap: SushiV2Factory0 Ether0.31389072 152.21438554
0xde0071baa72ceff9a288f68670ce4422f1f2a00920dbcc8c56c101d731b87a43Create Pair138958302021-12-28 20:15:06233 days 20 hrs agoENS Name *🍣👨🍳.eth IN  SushiSwap: SushiV2Factory0 Ether0.2295715 111.32509906
0xf72f48a115c5749cf179f8a20a9a04307d2ff6a0fd9f09233460b93ebe52cfa7Create Pair138668422021-12-24 8:32:51238 days 8 hrs ago0xa044c17fc7e0076c856ee3a8a71a527e5d11cadd IN  SushiSwap: SushiV2Factory0 Ether0.12174133 59.03549238
0x09126bc5c0e586b41715ca368cbe42aa81c8b2b6dd6c84968c3d2d3411b50dd7Create Pair138127282021-12-15 23:34:30246 days 17 hrs agoENS Name *🍣👨🍳.eth IN  SushiSwap: SushiV2Factory0 Ether0.1519118 73.66627905
0x9f3ca4285e765351a723715a02bd1f6c05a7b0d5ebc8390ffbf690d94e54a0f4Create Pair138127272021-12-15 23:34:25246 days 17 hrs agoENS Name *🍣👨🍳.eth IN  SushiSwap: SushiV2Factory0 Ether0.16458746 79.81306359
0xe6789f65b6611d7f85995718ed5b25ff99a8a5072f6876f936ba1a3cdd2d97feCreate Pair138127272021-12-15 23:34:25246 days 17 hrs agoENS Name *🍣👨🍳.eth IN  SushiSwap: SushiV2Factory0 Ether0.16458746 79.81306359
0xb3cd3bded61de6b188be14445b0a6cd24bc4ea7a1e485b079ea8000649a70fdcCreate Pair138123382021-12-15 22:09:17246 days 18 hrs agoENS Name *🍣👨🍳.eth IN  SushiSwap: SushiV2Factory0 Ether0.23986148 116.31553702
0xc247260795b221dcda0c320c958bb4a9d46669eef7db720a23824883de712bd1Create Pair138123342021-12-15 22:08:12246 days 18 hrs agoENS Name *🍣👨🍳.eth IN  SushiSwap: SushiV2Factory0 Ether0.21140818 102.5177368
0x37882a1fde138340ee5f416d71e8c6f4af21c6247d5d9a9788be1a3be9f333aaCreate Pair138123302021-12-15 22:07:21246 days 18 hrs agoENS Name *🍣👨🍳.eth IN  SushiSwap: SushiV2Factory0 Ether0.23180019 112.40639513
0xd89c33e0c3710b7ab9685f60ee5a277b26d2d9de00e037660bf44cb4f1a6c302Create Pair137061262021-11-29 2:51:37263 days 13 hrs agoSolace Finance: Deployer IN  SushiSwap: SushiV2Factory0 Ether0.19610615 95.09735614
0x856aa2125f820dad64e547e3c18a17a568c18f3fab6f671f878f669230bb84edCreate Pair136831852021-11-25 11:29:57267 days 5 hrs ago0xadaceff9ba7a4517d4714437e2936b6a8cf70a2c IN  SushiSwap: SushiV2Factory0 Ether0.18988788 92.08149903
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Latest 25 internal transaction
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0x374070c280f72825b38fb307fdca8c83aeea78b82388503a7bb24db5473fd512153695622022-08-19 5:34:4711 hrs 15 mins ago SushiSwap: SushiV2Factory  Contract Creation0 Ether
0x71944ca91d347bf7f37d87c44e5b179140ef866c2be119fd6c67432c367250dd153662282022-08-18 17:11:2923 hrs 38 mins ago SushiSwap: SushiV2Factory  Contract Creation0 Ether
0x25b7d4d4d2ac4c08f25fe3111e8238b7141494b348af97c53345c7958b442acb153637982022-08-18 7:49:291 day 9 hrs ago SushiSwap: SushiV2Factory  Contract Creation0 Ether
0xe0d58ab1a6fa2928f784d9bf6d3276d7b8797e4aaff03dd4554f16f9b57b2ef1153598802022-08-17 16:50:061 day 23 hrs ago SushiSwap: SushiV2Factory  Contract Creation0 Ether
0x2903063f71ddb06603ce6a11a0a795a2766f144d176840d4d081d57e7e20bcb7153572052022-08-17 6:48:052 days 10 hrs ago SushiSwap: SushiV2Factory  Contract Creation0 Ether
0x3a641312e32fedfd5aa64216173fe79c864590e73d865b5e4e9c92f95a4b7e85153567932022-08-17 5:14:382 days 11 hrs ago SushiSwap: SushiV2Factory  Contract Creation0 Ether
0xf23d0bc901d6018ad3a84190745988bc1d4f4acc8fabcddec44a5f1cc78f7114153537612022-08-16 17:52:092 days 22 hrs ago SushiSwap: SushiV2Factory  Contract Creation0 Ether
0xa86d412433d43e94a10e55e64358c5085f78428b2b9e685f2d050feb380c06f2153489672022-08-15 23:42:573 days 17 hrs ago SushiSwap: SushiV2Factory  Contract Creation0 Ether
0x28abb9fe35169d0df9da0d7fc8a4b4296755cdd173a27954786aca899793b587153476812022-08-15 18:52:523 days 21 hrs ago SushiSwap: SushiV2Factory  Contract Creation0 Ether
0x6936349c728ba5e18da246cb5365f5c540b9a20e4aa7ded29e06ec777a5180fb153475152022-08-15 18:10:393 days 22 hrs ago SushiSwap: SushiV2Factory  Contract Creation0 Ether
0x31609c2e96a57b7cb8439b8824b5f83d315c61f9bc589798a9b885d40c46969b153475052022-08-15 18:08:463 days 22 hrs ago SushiSwap: SushiV2Factory  Contract Creation0 Ether
0xd78b30455063861f7d2bcd245b99c88d56e68a56e026e86531126b608a5919ad153451482022-08-15 9:02:014 days 7 hrs ago SushiSwap: SushiV2Factory  Contract Creation0 Ether
0x9e1f4937a86e8de8e22dfe2218110b89834903df18e18018a18956a325a3dcc3153441632022-08-15 5:21:564 days 11 hrs ago SushiSwap: SushiV2Factory  Contract Creation0 Ether
0x604817498a09227b5fb79a075550953e717d034c43873d4c02b103e84e37a599153433742022-08-15 2:17:464 days 14 hrs ago SushiSwap: SushiV2Factory  Contract Creation0 Ether
0x3abc2b44e6a28e5954ec4d0bcf5011d2636ebe03c3cea9b320c6e2ee6c0da4e2153429412022-08-15 0:38:004 days 16 hrs ago SushiSwap: SushiV2Factory  Contract Creation0 Ether
0xf1227d6e5f57f6b8c70a023dbb2622488e063c51dab453d4e71160c280a69732153414972022-08-14 19:03:434 days 21 hrs ago SushiSwap: SushiV2Factory  Contract Creation0 Ether
0xec27a1cceb83f215eba0c06481fbc3618c9fb22e475d85846efce4e3640033f1153411712022-08-14 17:50:054 days 22 hrs ago SushiSwap: SushiV2Factory  Contract Creation0 Ether
0xbe71e221add7842acb5a86ba8a484ee2e27d4b234ad40ab00d2efcab0a41c5a7153345692022-08-13 16:56:005 days 23 hrs ago SushiSwap: SushiV2Factory  Contract Creation0 Ether
0xa3fbcb34a2c84f3b770b28dd184f0df05dd23cc2f52e893a3d25a03190fee657153344422022-08-13 16:26:126 days 23 mins ago SushiSwap: SushiV2Factory  Contract Creation0 Ether
0x7167ef64b219917ea6313c0b714b7c528a90a0fb385e7ebab41d0967bc800231153344282022-08-13 16:23:456 days 26 mins ago SushiSwap: SushiV2Factory  Contract Creation0 Ether
0x97d008266deeda44a91739fb6c5be82e124698f088f7e56f334b4bffa0f7ff60153290172022-08-12 19:59:066 days 20 hrs ago SushiSwap: SushiV2Factory  Contract Creation0 Ether
0x14f4a3dfeff72abb91adfe215d52c033fbc45c5d6bd9533ab4df67c1af98172e153288292022-08-12 19:24:366 days 21 hrs ago SushiSwap: SushiV2Factory  Contract Creation0 Ether
0x7cafb206f512e4b994f134b48c561e3c248c20b29a1134bb7b560d6b1f61c05e153287402022-08-12 19:04:216 days 21 hrs ago SushiSwap: SushiV2Factory  Contract Creation0 Ether
0xfb2b172afd8949fd74dbd0b9b131ac79d9b32a794448c4304f0569944c95b257153272312022-08-12 13:25:537 days 3 hrs ago SushiSwap: SushiV2Factory  Contract Creation0 Ether
0x101c0956c9683abf2dd16579243391d2f099a5eeb18ed5a72477458fdee90368153265702022-08-12 10:50:107 days 5 hrs ago SushiSwap: SushiV2Factory  Contract Creation0 Ether
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Contract Source Code Verified (Exact Match)

Contract Name:
UniswapV2Factory

Compiler Version
v0.6.12+commit.27d51765

Optimization Enabled:
Yes with 200 runs

Other Settings:
default evmVersion, None license

Contract Source Code (Solidity)

/**
 *Submitted for verification at Etherscan.io on 2020-09-04
*/

// File: contracts/uniswapv2/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 migrator() 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;
    function setMigrator(address) external;
}

// File: contracts/uniswapv2/libraries/SafeMath.sol

pragma solidity =0.6.12;

// a library for performing overflow-safe math, courtesy of DappHub (https://github.com/dapphub/ds-math)

library SafeMathUniswap {
    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/uniswapv2/UniswapV2ERC20.sol

pragma solidity =0.6.12;


contract UniswapV2ERC20 {
    using SafeMathUniswap for uint;

    string public constant name = 'SushiSwap LP Token';
    string public constant symbol = 'SLP';
    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/uniswapv2/libraries/Math.sol

pragma solidity =0.6.12;

// 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/uniswapv2/libraries/UQ112x112.sol

pragma solidity =0.6.12;

// a library for handling binary fixed point numbers (https://en.wikipedia.org/wiki/Q_(number_format))

// range: [0, 2**112 - 1]
// resolution: 1 / 2**112

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/uniswapv2/interfaces/IERC20.sol

pragma solidity >=0.5.0;

interface IERC20Uniswap {
    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/uniswapv2/interfaces/IUniswapV2Callee.sol

pragma solidity >=0.5.0;

interface IUniswapV2Callee {
    function uniswapV2Call(address sender, uint amount0, uint amount1, bytes calldata data) external;
}

// File: contracts/uniswapv2/UniswapV2Pair.sol

pragma solidity =0.6.12;








interface IMigrator {
    // Return the desired amount of liquidity token that the migrator wants.
    function desiredLiquidity() external view returns (uint256);
}

contract UniswapV2Pair is UniswapV2ERC20 {
    using SafeMathUniswap  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 = IERC20Uniswap(token0).balanceOf(address(this));
        uint balance1 = IERC20Uniswap(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) {
            address migrator = IUniswapV2Factory(factory).migrator();
            if (msg.sender == migrator) {
                liquidity = IMigrator(migrator).desiredLiquidity();
                require(liquidity > 0 && liquidity != uint256(-1), "Bad desired liquidity");
            } else {
                require(migrator == address(0), "Must not have migrator");
                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 = IERC20Uniswap(_token0).balanceOf(address(this));
        uint balance1 = IERC20Uniswap(_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 = IERC20Uniswap(_token0).balanceOf(address(this));
        balance1 = IERC20Uniswap(_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 = IERC20Uniswap(_token0).balanceOf(address(this));
        balance1 = IERC20Uniswap(_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, IERC20Uniswap(_token0).balanceOf(address(this)).sub(reserve0));
        _safeTransfer(_token1, to, IERC20Uniswap(_token1).balanceOf(address(this)).sub(reserve1));
    }

    // force reserves to match balances
    function sync() external lock {
        _update(IERC20Uniswap(token0).balanceOf(address(this)), IERC20Uniswap(token1).balanceOf(address(this)), reserve0, reserve1);
    }
}

// File: contracts/uniswapv2/UniswapV2Factory.sol

pragma solidity =0.6.12;



contract UniswapV2Factory is IUniswapV2Factory {
    address public override feeTo;
    address public override feeToSetter;
    address public override migrator;

    mapping(address => mapping(address => address)) public override getPair;
    address[] public override allPairs;

    event PairCreated(address indexed token0, address indexed token1, address pair, uint);

    constructor(address _feeToSetter) public {
        feeToSetter = _feeToSetter;
    }

    function allPairsLength() external override view returns (uint) {
        return allPairs.length;
    }

    function pairCodeHash() external pure returns (bytes32) {
        return keccak256(type(UniswapV2Pair).creationCode);
    }

    function createPair(address tokenA, address tokenB) external override returns (address pair) {
        require(tokenA != tokenB, 'UniswapV2: IDENTICAL_ADDRESSES');
        (address token0, address token1) = tokenA < tokenB ? (tokenA, tokenB) : (tokenB, tokenA);
        require(token0 != address(0), 'UniswapV2: ZERO_ADDRESS');
        require(getPair[token0][token1] == address(0), 'UniswapV2: PAIR_EXISTS'); // single check is sufficient
        bytes memory bytecode = type(UniswapV2Pair).creationCode;
        bytes32 salt = keccak256(abi.encodePacked(token0, token1));
        assembly {
            pair := create2(0, add(bytecode, 32), mload(bytecode), salt)
        }
        UniswapV2Pair(pair).initialize(token0, token1);
        getPair[token0][token1] = pair;
        getPair[token1][token0] = pair; // populate mapping in the reverse direction
        allPairs.push(pair);
        emit PairCreated(token0, token1, pair, allPairs.length);
    }

    function setFeeTo(address _feeTo) external override {
        require(msg.sender == feeToSetter, 'UniswapV2: FORBIDDEN');
        feeTo = _feeTo;
    }

    function setMigrator(address _migrator) external override {
        require(msg.sender == feeToSetter, 'UniswapV2: FORBIDDEN');
        migrator = _migrator;
    }

    function setFeeToSetter(address _feeToSetter) external override {
        require(msg.sender == feeToSetter, 'UniswapV2: FORBIDDEN');
        feeToSetter = _feeToSetter;
    }

}

Contract Security Audit

Contract ABI

[{"inputs":[{"internalType":"address","name":"_feeToSetter","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"token0","type":"address"},{"indexed":true,"internalType":"address","name":"token1","type":"address"},{"indexed":false,"internalType":"address","name":"pair","type":"address"},{"indexed":false,"internalType":"uint256","name":"","type":"uint256"}],"name":"PairCreated","type":"event"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"allPairs","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"allPairsLength","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"tokenA","type":"address"},{"internalType":"address","name":"tokenB","type":"address"}],"name":"createPair","outputs":[{"internalType":"address","name":"pair","type":"address"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"feeTo","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"feeToSetter","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"},{"internalType":"address","name":"","type":"address"}],"name":"getPair","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"migrator","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"pairCodeHash","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"pure","type":"function"},{"inputs":[{"internalType":"address","name":"_feeTo","type":"address"}],"name":"setFeeTo","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_feeToSetter","type":"address"}],"name":"setFeeToSetter","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_migrator","type":"address"}],"name":"setMigrator","outputs":[],"stateMutability":"nonpayable","type":"function"}]

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Constructor Arguments (ABI-Encoded and is the last bytes of the Contract Creation Code above)

000000000000000000000000f942dba4159cb61f8ad88ca4a83f5204e8f4a6bd

-----Decoded View---------------
Arg [0] : _feeToSetter (address): 0xf942dba4159cb61f8ad88ca4a83f5204e8f4a6bd

-----Encoded View---------------
1 Constructor Arguments found :
Arg [0] : 000000000000000000000000f942dba4159cb61f8ad88ca4a83f5204e8f4a6bd


Deployed ByteCode Sourcemap

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Swarm Source

ipfs://9c1e46967e61d91a65487ad45d080a227969fffa0564957df8e023b202f4d62a
Block Transaction Difficulty Gas Used Reward
Block Uncle Number Difficulty Gas Used Reward
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A contract address hosts a smart contract, which is a set of code stored on the blockchain that runs when predetermined conditions are met. Learn more about addresses in our Knowledge Base.