Contract 0xc35dadb65012ec5796536bd9864ed8773abc74c4 21

 
 
Txn Hash Method
Block
From
To
Value [Txn Fee]
0x59ba155f884c93d2f550abb1eaba8593eb81fa3fb0607e0b9ce3f4a87fe42255Create Pair313200472022-07-30 15:55:3918 days 12 hrs ago0x35676f855e519a1dd4e6d16bf53bb5060b2a7b94 IN  SushiSwap: V2 Factory0 MATIC0.206216100
0xce6dd1fe7929e22e5e9c25fad7d26eb1fb293ab3d8579158a7c5703e2e51ec6bCreate Pair313200402022-07-30 15:55:2518 days 12 hrs ago0x35676f855e519a1dd4e6d16bf53bb5060b2a7b94 IN  SushiSwap: V2 Factory0 MATIC0.206215100
0x0a33ebea27b15ccb20bb7f046bf5c7f57b3272802ffaa87a58efde9a3c97b6a7Create Pair313200342022-07-30 15:55:1318 days 12 hrs ago0x35676f855e519a1dd4e6d16bf53bb5060b2a7b94 IN  SushiSwap: V2 Factory0 MATIC0.2062162100
0xc1e5282f164e1fa57b6c8f71d4ebcae970e00ae22acfaeeffb4beadf620a759fCreate Pair312071832022-07-27 18:45:0621 days 9 hrs ago0x4bb4c1b0745ef7b4642feeccd0740dec417ca0a0 IN  SushiSwap: V2 Factory0 MATIC1.308211758235 634.388451652
0x7523590755742cedfa9fc5b7c4869cb958faec03530511e19824bdabd4408cb8Create Pair302061332022-07-01 7:25:4047 days 21 hrs ago0x5652702f0fb14e5a44fedc853c33082ec9a95fe6 IN  SushiSwap: V2 Factory0 MATIC0.063928953446 31.000786281
0x414c5d27fb085501cca5884f005e56a090208b5e035ad6d734bccda9a91ea632Create Pair302060892022-07-01 7:24:1247 days 21 hrs ago0x5652702f0fb14e5a44fedc853c33082ec9a95fe6 IN  SushiSwap: V2 Factory0 MATIC0.103109841877 50.000602218
0xbfddbf41f56f3ada702ccc781d257bdce09ff8024e562813d129360ed9962d2eCreate Pair300590132022-06-27 12:24:2451 days 16 hrs ago0x4bb4c1b0745ef7b4642feeccd0740dec417ca0a0 IN  SushiSwap: V2 Factory0 MATIC0.172863425996 83.826307534
0x24680552a86f0ec92e471dc7fdd546956fddf3457722720af429f9f6a27d1190Create Pair299489832022-06-24 15:07:5354 days 13 hrs ago0xb2d026ca77bc3b95547c4b1a6469c4192139f030 IN  SushiSwap: V2 Factory0 MATIC0.06646391992 32.230056426
0xc7fc252fd14a206b862ac38f6dec14031279663eae727faf92152c7b681bf2d0Create Pair299481152022-06-24 14:35:5754 days 13 hrs ago0xb2d026ca77bc3b95547c4b1a6469c4192139f030 IN  SushiSwap: V2 Factory0 MATIC0.061865903633 30.000506087
0x5cd02646f402e15edcfe75a0be52c583c8b36ad136fdc46b1325de735aa80b67Create Pair295844462022-06-15 4:42:5863 days 23 hrs ago0xa4caa9fefb39807e5ac197827565432fd94f2de6 IN  SushiSwap: V2 Factory0 MATIC0.4124324200
0xb413b159011f1769e34a80d2747e7adc84004f14680bc12ad1316a883c5bc62dCreate Pair295844412022-06-15 4:42:4863 days 23 hrs ago0xa4caa9fefb39807e5ac197827565432fd94f2de6 IN  SushiSwap: V2 Factory0 MATIC0.4124324200
0x9d64b9d9d14d738d1e9c21adce6db13240dfe59c53027b19fdc370eb5b14672eCreate Pair295320792022-06-13 21:44:0665 days 6 hrs ago0xb2d026ca77bc3b95547c4b1a6469c4192139f030 IN  SushiSwap: V2 Factory0 MATIC0.069010001797 33.464716715
0x4868d23a330b29d11731dd90f9e1c03c3dbd26dfd914bf7283c0b6f64a4d4207Create Pair292477102022-06-06 19:56:5572 days 8 hrs agoWarp.Bond: Deployer IN  SushiSwap: V2 Factory0 MATIC0.4124344200
0x4d6c41b3ea47f313733a7a832cdd48a8237f63bf0ba3611d45255b728f4c15feCreate Pair291219862022-06-03 16:47:1375 days 11 hrs ago0x2708e897db4b75dcb2900f4ba89d3195a7b638a3 IN  SushiSwap: V2 Factory0 MATIC0.112168534471 54.393657953
0x83dd15b0710d2503de34177637bd881af97c7b58d29d3333838dc17f8433e8beCreate Pair291219852022-06-03 16:47:1175 days 11 hrs ago0x2708e897db4b75dcb2900f4ba89d3195a7b638a3 IN  SushiSwap: V2 Factory0 MATIC0.082428259051 39.971573201
0x19aac09aeba7a37abe8259dad5a2daadb30f7c00a3522fa463c5e8275c0c0ecfCreate Pair291216492022-06-03 16:35:3475 days 11 hrs ago0x2708e897db4b75dcb2900f4ba89d3195a7b638a3 IN  SushiSwap: V2 Factory0 MATIC0.088186038104 42.763667679
0x231a2fb73a057ae79b71043dc9e0f630589083902669bb50b05f09b783bf34b5Create Pair291213472022-06-03 16:25:1475 days 12 hrs ago0x2708e897db4b75dcb2900f4ba89d3195a7b638a3 IN  SushiSwap: V2 Factory0 MATIC0.168654017001 81.785047441
0x724b26f347ba9c8dfcb1956fc8fd1cc763b4157c1a71d026880ff2ca151a1f82Create Pair291213452022-06-03 16:25:1075 days 12 hrs ago0x2708e897db4b75dcb2900f4ba89d3195a7b638a3 IN  SushiSwap: V2 Factory0 MATIC0.15308425754 74.234475854
0x2d4dfc8eef0d2d366c9fccca1d32d21f9317d2def66cf656cf61795fe459b833Create Pair291213442022-06-03 16:25:0875 days 12 hrs ago0x2708e897db4b75dcb2900f4ba89d3195a7b638a3 IN  SushiSwap: V2 Factory0 MATIC0.15219601231 73.804601954
0x751928e56c863ce227dacdf275d983f74a7e5b047c60f0d1c7bacb730c5451c2Create Pair291199622022-06-03 15:37:3275 days 12 hrs ago0x2708e897db4b75dcb2900f4ba89d3195a7b638a3 IN  SushiSwap: V2 Factory0 MATIC0.16616232896 80.576758257
0x159605e5841b9b8007e97a92d0716c8dbe240d3b3c6d708775bfb6fd773d6ae5Create Pair291199542022-06-03 15:37:1675 days 12 hrs ago0x2708e897db4b75dcb2900f4ba89d3195a7b638a3 IN  SushiSwap: V2 Factory0 MATIC0.118965797799 57.69017666
0x638fbe1a1789160ed1cae8aa9e9377cf625577b77bd010c343093b082761de42Create Pair291199502022-06-03 15:37:0875 days 12 hrs ago0x2708e897db4b75dcb2900f4ba89d3195a7b638a3 IN  SushiSwap: V2 Factory0 MATIC0.113534961754 55.056009758
0x5b3c0946ae25dbf9e8b4704fccae18465a72aa89c9da35ac398adc6caa4f697fCreate Pair291199482022-06-03 15:37:0475 days 12 hrs ago0x2708e897db4b75dcb2900f4ba89d3195a7b638a3 IN  SushiSwap: V2 Factory0 MATIC0.114628593342 55.586339715
0x397f140b90be2861e4daa2e6761d0222dfa820000f3759f2ac2d791130c0ff81Create Pair287775742022-05-26 3:38:0884 days 50 mins agoWarp.Bond: Deployer IN  SushiSwap: V2 Factory0 MATIC1.031086500
0xa1c845d69f2e560fc80913387be8dd694a76c5f7e58b12cec9d42848ec2d1feeCreate Pair285124652022-05-19 15:11:0390 days 13 hrs ago0x810ff0f5aebd06f89eb69c3901bbf725651c15a3 IN  SushiSwap: V2 Factory0 MATIC0.2062172100
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OVERVIEW

Uniswapv2 factory for sushiswap.

Latest 25 internal transaction
Parent Txn Hash Block From To Value
0x912024b4ae7265ef8432d531d47c2e23e028f469102cfc55e35aee639ac93cc2319743132022-08-16 23:13:021 day 5 hrs ago SushiSwap: V2 Factory  Contract Creation0 MATIC
0x0f2789a63b0f2fc1cc2f974247c8e1c0f5fa6dd76ea3d56b4c46a3e16b8b4af6319603222022-08-16 14:32:561 day 13 hrs ago SushiSwap: V2 Factory  Contract Creation0 MATIC
0x4c3ca7be7e671787cbf69943f8bb993f99e55f59eecb62e038ecb9f5229356b0318642402022-08-14 2:09:444 days 2 hrs ago SushiSwap: V2 Factory  Contract Creation0 MATIC
0x54e8781a080369567fccfc31c28edc3c45116563d753861a48d099df62542609318258422022-08-13 1:28:025 days 3 hrs ago SushiSwap: V2 Factory  Contract Creation0 MATIC
0x210073cd72600fb2af0aae4c6592d026910bb2d2b5e880b84141b37b1e16b035318198802022-08-12 21:45:165 days 6 hrs ago SushiSwap: V2 Factory  Contract Creation0 MATIC
0xf17052391f5831217df7fddb5e9d6542658667c9dbeb6b3caa9231bfa0d64bde318140432022-08-12 17:56:285 days 10 hrs ago SushiSwap: V2 Factory  Contract Creation0 MATIC
0xfd906dbb459d43e8be90b73b894047ff86c47acdb71e70821c31e06d139659e5318106592022-08-12 15:31:275 days 12 hrs ago SushiSwap: V2 Factory  Contract Creation0 MATIC
0x3c787ede0540ee007275b0886a24880b6ce54c9675e766334a117257076b8a0a318042322022-08-12 11:12:415 days 17 hrs ago SushiSwap: V2 Factory  Contract Creation0 MATIC
0x23c775ecfa6380b5d9715e44c489cc7f61eaf98ab8e5f2468cdc77d446aa108d318021382022-08-12 9:43:135 days 18 hrs ago SushiSwap: V2 Factory  Contract Creation0 MATIC
0x7327f20fb50aa1c208d038fbda79f80504df74d318c9d2119ccbec10f3f66447317963832022-08-12 6:16:445 days 22 hrs ago SushiSwap: V2 Factory  Contract Creation0 MATIC
0x7cf6bfcca926d239e188fb0a98404b6ce4f233ac23f4fece72f5041ab37f2880317818062022-08-11 21:14:076 days 7 hrs ago SushiSwap: V2 Factory  Contract Creation0 MATIC
0x32d34e8cad886f16d8db1362ad238ecadee34202884522f0d7be2f277d9ecabf317670082022-08-11 11:40:156 days 16 hrs ago SushiSwap: V2 Factory  Contract Creation0 MATIC
0xaa543e491b20525ae357db0e783fe9e1ee9f23e045d422c5658cb22570eb6b57317307942022-08-10 11:54:427 days 16 hrs ago SushiSwap: V2 Factory  Contract Creation0 MATIC
0x03788f6172f5a38f2299366cc085428d1cdf26107ca36aea3ba1da0a2c52b9e1317013832022-08-09 16:25:378 days 12 hrs ago SushiSwap: V2 Factory  Contract Creation0 MATIC
0xa7a34d19fefd608b7c6a14493954c3e66161fe66047e24e52d97d5d32910ac42316931292022-08-09 11:05:358 days 17 hrs ago SushiSwap: V2 Factory  Contract Creation0 MATIC
0x49ff5c7fb69b929369bbc0f580d0963d623fad6eed692a2ee9f103be1b180268316893462022-08-09 8:44:528 days 19 hrs ago SushiSwap: V2 Factory  Contract Creation0 MATIC
0x337433cb3380d08a7909103a03e76b671b98ba13e6f934561e5242613600070b316890972022-08-09 8:36:108 days 19 hrs ago SushiSwap: V2 Factory  Contract Creation0 MATIC
0x7148abaf92fc73500d53b8b64aaf6e2cc6db67f464c752e785a407cabd5d07af316550062022-08-08 10:28:249 days 17 hrs ago SushiSwap: V2 Factory  Contract Creation0 MATIC
0xd2c743275041056be43db66b2060817d971cfad2dbc60329fc39df60b9074a96316362242022-08-07 21:30:1210 days 6 hrs ago SushiSwap: V2 Factory  Contract Creation0 MATIC
0x2fc6610258a9e496ffced019c2ce2b478b6ee3e281094097fdb5bc8554fe409a316361172022-08-07 21:26:3010 days 7 hrs ago SushiSwap: V2 Factory  Contract Creation0 MATIC
0xce12158072cdba2c7958b12de153463357d3d15af1098f54ffedec56c092f91e315772872022-08-06 6:09:4411 days 22 hrs ago SushiSwap: V2 Factory  Contract Creation0 MATIC
0xf41c20690e14419cdcb308575ed65c8a388be1e9855a06047f371f29aecd1af8315413362022-08-05 8:06:3012 days 20 hrs ago SushiSwap: V2 Factory  Contract Creation0 MATIC
0x467659b9f6113a782f95074adf39e581c61445a8d0b6fa4a9b32841165b3a493315360262022-08-05 4:54:0312 days 23 hrs ago SushiSwap: V2 Factory  Contract Creation0 MATIC
0x956be81289c4e04857dfa6c218c008206de9547e2313daf886ae8e34f7207488315166842022-08-04 16:25:2213 days 12 hrs ago SushiSwap: V2 Factory  Contract Creation0 MATIC
0x49e835b50b73167c4ce934bac12c1aa47f5e681945a20a4b62de7a9a0756dfca315027842022-08-04 7:39:0713 days 20 hrs ago SushiSwap: V2 Factory  Contract Creation0 MATIC
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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 polygonscan.com on 2021-06-30
*/

// 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)

000000000000000000000000cc159bcb6a466da442d254ad934125f05dab66b5

-----Decoded View---------------
Arg [0] : _feeToSetter (address): 0xcc159bcb6a466da442d254ad934125f05dab66b5

-----Encoded View---------------
1 Constructor Arguments found :
Arg [0] : 000000000000000000000000cc159bcb6a466da442d254ad934125f05dab66b5


Block Transaction Gas Used Reward
Age Block Fee Address BC Fee Address Voting Power Jailed Incoming
Block Uncle Number Difficulty Gas Used Reward
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