Contract 0xc35DADB65012eC5796536bD9864eD8773aBc74C4 20

Txn Hash Method
Block
From
To
Value [Txn Fee]
0x4bbf9f9b8f297539c293d130d12716355f6b621549e383bdfabbf14dd0f5227aCreate Pair258828422021-12-24 8:34:41144 days 19 hrs ago0xa044c17fc7e0076c856ee3a8a71a527e5d11cadd IN  SushiSwap: V2 Factory0 FTM0.339573285756
0xf88019c215c4c974b6299f4354d291a7875985e4724047378f9e3c0828995c67Create Pair252241452021-12-17 12:02:38151 days 16 hrs ago0xb2e1ecdc4dddfa1577fa4e0b36d84e4c50d7eb93 IN  SushiSwap: V2 Factory0 FTM0.241807535411
0xf3174816b94066b80e847165b33c93c6b5598af4869ea391c7f3bb463260b625Create Pair251421692021-12-16 15:58:37152 days 12 hrs ago0x53da8f710eb198841b37460b86aa6fe2e1d9aba0 IN  SushiSwap: V2 Factory0 FTM0.335487268864
0x6cc1b2cce0b3e7d4e3d8076d14594163607478014a1c94dbaf9cee921d908b38Set Fee To Sette...119354632021-07-13 0:06:35309 days 4 hrs ago0xcc159bcb6a466da442d254ad934125f05dab66b5 IN  SushiSwap: V2 Factory0 FTM0.002116368
0x336dedca878a4e03275199cd903a61f9955961b4b9abffb600f9929a2d356810Set Fee To119354242021-07-13 0:05:50309 days 4 hrs ago0xcc159bcb6a466da442d254ad934125f05dab66b5 IN  SushiSwap: V2 Factory0 FTM0.002121267
0xb066831239b5c812666bddb6cd89804094afeb2f658293a820c9e94f5294f2cdCreate Pair103752142021-06-22 19:51:41329 days 8 hrs ago0x41b89c494dffaa0604fb511697b964a60d667767 IN  SushiSwap: V2 Factory0 FTM0.15126252
0xedac6e32578f57663b1d21b92aa514bb30f301e70236c60638163587a45e1063Create Pair78734562021-05-27 13:09:28355 days 15 hrs agoAquarius Protocol: Deployer IN  SushiSwap: V2 Factory0 FTM1.260521
0x9d1f09db395cabeec5aca5a8f52f5cbeb6fdcb466f2b5fdb50414590a474b771Create Pair78734232021-05-27 13:09:05355 days 15 hrs agoAquarius Protocol: Deployer IN  SushiSwap: V2 Factory0 FTM1.2605165
0xc960b74546469b29ef9911c067b6cc424713a01ac3a5788458dd3429e559d5aeCreate Pair72297242021-05-22 4:37:37360 days 23 hrs ago0xbfc2d2a5fee20f9c9b0c122f67fd6629d120332e IN  SushiSwap: V2 Factory0 FTM1.260521
0x048c78a9d7b84adbfb977706007b65fcb858a1e5b290b12b273a45c8657e405fCreate Pair72297062021-05-22 4:37:25360 days 23 hrs ago0xbfc2d2a5fee20f9c9b0c122f67fd6629d120332e IN  SushiSwap: V2 Factory0 FTM1.260521
0x08c6df9a4db86bc7dab169f91d52e081e42c6954039fb9600e260404753611b0Create Pair72276742021-05-22 4:14:16361 days 1 min ago0xbfc2d2a5fee20f9c9b0c122f67fd6629d120332e IN  SushiSwap: V2 Factory0 FTM1.260521
0xdc0955fe688b40d8f0b3d1a98df2db611af719615bea72c080e3ebd0cd633f88Create Pair72276592021-05-22 4:14:02361 days 1 min ago0xbfc2d2a5fee20f9c9b0c122f67fd6629d120332e IN  SushiSwap: V2 Factory0 FTM1.2605165
0x9bde3c2870dc8f85267989f8498133e657ed5f349e18b1cba6acfd7bd2fcfc0eCreate Pair68374162021-05-18 16:19:00364 days 11 hrs ago0xbfc2d2a5fee20f9c9b0c122f67fd6629d120332e IN  SushiSwap: V2 Factory0 FTM1.260521
0xf2338647ef8eafe50935bdac0e875c2b619377531a1229f3bb4df98b1f9b7692Create Pair68374042021-05-18 16:18:52364 days 11 hrs ago0xbfc2d2a5fee20f9c9b0c122f67fd6629d120332e IN  SushiSwap: V2 Factory0 FTM1.2605165
0x0ff8c8e1c0b1bacb704973eb78fd37fee47d8f1ea6c8132e481944311e982dd6Create Pair67334182021-05-17 17:18:42365 days 10 hrs ago0xbfc2d2a5fee20f9c9b0c122f67fd6629d120332e IN  SushiSwap: V2 Factory0 FTM1.260521
0x1a9d020868ccc8ad07f2ce8c5075ddca44b06362273e8ecee3a4029ffab16224Create Pair67334032021-05-17 17:18:31365 days 10 hrs ago0xbfc2d2a5fee20f9c9b0c122f67fd6629d120332e IN  SushiSwap: V2 Factory0 FTM1.260521
0x462057296dd174e701e4561695f96e15e6aa95c86f7db4e55765435fa3708d2aCreate Pair67292812021-05-17 16:21:25365 days 11 hrs ago0xbfc2d2a5fee20f9c9b0c122f67fd6629d120332e IN  SushiSwap: V2 Factory0 FTM1.260521
0xe96858896a3440ba80986be5d6b378b8b5e711806a24cdc157451b70c315c26bCreate Pair67292512021-05-17 16:21:01365 days 11 hrs ago0xbfc2d2a5fee20f9c9b0c122f67fd6629d120332e IN  SushiSwap: V2 Factory0 FTM1.260521
0x32cf2ee1ebbb79f329a6b06efa19d31cb8e9c1915decd8d4e1e3c663b74c4fcaCreate Pair55921782021-05-07 21:32:27375 days 6 hrs ago0xade96a7f3d4db7145d5fa7da784434b12bdd97d7 IN  SushiSwap: V2 Factory0 FTM0.00217854273
0x718c063eddd1f5156528619c3523ae591513e9e43a3c527aaf85fc7a688e2a27Create Pair39078522021-04-20 2:11:49393 days 2 hrs ago0xade96a7f3d4db7145d5fa7da784434b12bdd97d7 IN  SushiSwap: V2 Factory0 FTM0.002156962
0xf282996f1424a16d3bc809ddf1570d3d1831730d3614f670af471654b03b1206Create Pair27571892021-03-16 6:09:21427 days 22 hrs ago0x5cf3e0b5cb41a18960cfcae1f4953aeee7a2c4d6 IN  SushiSwap: V2 Factory0 FTM0.002156985
0xb817ad08319ddfb30533233889d8c21f626f1d47b723c705cf1001c808c38a3dCreate Pair27570972021-03-16 5:49:16427 days 22 hrs ago0x5cf3e0b5cb41a18960cfcae1f4953aeee7a2c4d6 IN  SushiSwap: V2 Factory0 FTM0.002156985
0x02c97a6635a4ad349be18708b7bfc61bf184625527df9fdcad040a6d5056b520Create Pair27570502021-03-16 5:39:17427 days 22 hrs ago0x5cf3e0b5cb41a18960cfcae1f4953aeee7a2c4d6 IN  SushiSwap: V2 Factory0 FTM0.002156985
0x3ae117bd1d7c4fc7513eaf55b5f4b7e04dffe6a1bb5ff164f0de1f0969d4778dCreate Pair27444992021-03-15 6:08:05428 days 22 hrs ago0x5cf3e0b5cb41a18960cfcae1f4953aeee7a2c4d6 IN  SushiSwap: V2 Factory0 FTM0.002156985
0x0b49f26d5c7110b1cb779055adc0d6c5f00fd6aa609d09910a5debcf90ebd149Create Pair27444872021-03-15 6:06:16428 days 22 hrs ago0x5cf3e0b5cb41a18960cfcae1f4953aeee7a2c4d6 IN  SushiSwap: V2 Factory0 FTM0.002156985
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Latest 25 internal transaction
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0x528abf1dfe82e7fe3974629a07995ce5c66072d4913270c692fde0ca3d5a17a9384466972022-05-17 14:12:0814 hrs 3 mins ago SushiSwap: V2 Factory  Contract Creation0 FTM
0x85da7ad5754579c12902ed137b3149bbd76f1d521ab1d14ec7dfbed984c9e239380679172022-05-12 0:00:536 days 4 hrs ago SushiSwap: V2 Factory  Contract Creation0 FTM
0xe7110a40ecb4b5d4fa5d9f57ea5d7a2743da09264a43dfbe151b589af9268ded379906102022-05-10 17:43:057 days 10 hrs ago SushiSwap: V2 Factory  Contract Creation0 FTM
0x04e2fa8f3fbf8d8e03ae9aed3b5ced896f2aa4ae76aa51b3a8f23a69ba4c72e2379650052022-05-10 9:11:307 days 19 hrs ago SushiSwap: V2 Factory  Contract Creation0 FTM
0x3ab3bea26e8e8b61f611150ad54be20f246779abbebf3c5af3a6279b09c9bf25378676052022-05-08 23:10:549 days 5 hrs ago SushiSwap: V2 Factory  Contract Creation0 FTM
0x06c43850bde5267038bef0d1627ad012039987403b6d348962962dd4fcc70b15378675872022-05-08 23:10:109 days 5 hrs ago SushiSwap: V2 Factory  Contract Creation0 FTM
0x01b4931d8dbc8a2c5478f61cbc5516996bba2799c7d673d3d1c610342a0df956378063692022-05-08 3:52:4510 days 23 mins ago SushiSwap: V2 Factory  Contract Creation0 FTM
0xa90de9779a606ad9539b92060104428435201810b3b21d022e4f3796a95fd964376007742022-05-05 9:40:2312 days 18 hrs ago SushiSwap: V2 Factory  Contract Creation0 FTM
0xd9a38e557ca7a0e77c5d53eb380c7b7cb71182927e5a24410365fe778f880aeb370809822022-04-27 15:45:0320 days 12 hrs ago SushiSwap: V2 Factory  Contract Creation0 FTM
0xdbbd4709b092a7c467429990e0b26095e219df4edaa8c4d24392e0857b0dff9b360356452022-04-14 12:07:0133 days 16 hrs ago SushiSwap: V2 Factory  Contract Creation0 FTM
0x13f21170d624d224ca66b422e4d9f3cff450ee344869884a6234fbdaf857b6a5360327702022-04-14 11:16:3033 days 16 hrs ago SushiSwap: V2 Factory  Contract Creation0 FTM
0xdf31cec576b4b10c70f0026d3789cd4b1457b1a44253243f81425a4073461be9359245372022-04-13 2:44:0935 days 1 hr ago SushiSwap: V2 Factory  Contract Creation0 FTM
0x9aca8c636bd0cf1ea8109f864b1ba8861df82934da8304802b61040312396f0b357243292022-04-10 14:58:0337 days 13 hrs ago SushiSwap: V2 Factory  Contract Creation0 FTM
0x6628476ea7d5ad943da40d317dac723e269fd3194d4287041b7be4396ff17504353980922022-04-06 18:39:3241 days 9 hrs ago SushiSwap: V2 Factory  Contract Creation0 FTM
0x2509773faeceedaab04f227cbe66b407a99b7039b0065f825476753580eef84e352586152022-04-05 1:33:2443 days 2 hrs ago SushiSwap: V2 Factory  Contract Creation0 FTM
0xd292fa7169b51049a9bf8d242e5c4b0ac72f027e71dfc29be4c470df20ba9fee352585912022-04-05 1:32:5843 days 2 hrs ago SushiSwap: V2 Factory  Contract Creation0 FTM
0xdc8e74c77d86cb6c60014eb93cf345734175736ea41c1e06f0e59bdea948ac2b352585682022-04-05 1:32:3543 days 2 hrs ago SushiSwap: V2 Factory  Contract Creation0 FTM
0xb5961063bb06a808f7027b2aa3d017b12c185d4743baeb41920671bfc3505f5a352066932022-04-04 11:02:1543 days 17 hrs ago SushiSwap: V2 Factory  Contract Creation0 FTM
0xa0688ff46d94cfe23da0e28878da7fd60e8af95283e41e0dfd4094ff79a10239350651892022-04-02 18:49:0645 days 9 hrs ago SushiSwap: V2 Factory  Contract Creation0 FTM
0xf422b5ab42db97447e90a15b1714c14be6ee6adc714770b109fa9ae19f8791cc349802452022-04-01 18:07:0946 days 10 hrs ago SushiSwap: V2 Factory  Contract Creation0 FTM
0x290ce06f19cb757847def55ae92893770176b009245191d9a2c67c15db70398a349802252022-04-01 18:06:4146 days 10 hrs ago SushiSwap: V2 Factory  Contract Creation0 FTM
0xe23ce94033bfb973b5e2e867c352478053de9dcd082d9ad78eead288188f7d70349801562022-04-01 18:05:1346 days 10 hrs ago SushiSwap: V2 Factory  Contract Creation0 FTM
0xe61f2e85b5a181a0c1acee6ecee3bf1d67c38795398b0bedc0f162027c1692b1349154452022-03-31 23:20:3447 days 4 hrs ago SushiSwap: V2 Factory  Contract Creation0 FTM
0x67ed1fe1a3477323168d4df982951170edba9d2d950d5b58e543274bf7603513347958532022-03-30 12:53:0348 days 15 hrs ago SushiSwap: V2 Factory  Contract Creation0 FTM
0xa6c527df9721b314389eebb450986e46656241263613a7dbd86c39f79c1f7239347365152022-03-29 20:55:5649 days 7 hrs ago SushiSwap: V2 Factory  Contract Creation0 FTM
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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, GNU GPLv3 license

Contract Source Code (Solidity)

/**
 *Submitted for verification at FtmScan.com on 2021-02-26
*/

// 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


Deployed ByteCode Sourcemap

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Swarm Source

ipfs://9c1e46967e61d91a65487ad45d080a227969fffa0564957df8e023b202f4d62a
Block Transaction Gas Used Reward
Age Block Fee Address BC Fee Address Voting Power Jailed Incoming
Validator ID :
0 FTM

Amount Staked
0

Amount Delegated
0

Staking Total
0

Staking Start Epoch
0

Staking Start Time
0

Proof of Importance
0

Origination Score
0

Validation Score
0

Active
0

Online
0

Downtime
0 s
Address Amount claimed Rewards Created On Epoch Created On
Block Uncle Number Difficulty Gas Used Reward
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