Contract 0x152ee697f2e276fa89e96742e9bb9ab1f2e61be3 2

 
Txn Hash Method
Block
From
To
Value [Txn Fee]
0x50c07a82b026eb0443d20c104d85a0186e0b17ca3736c1a549c6fc37d7b11f7aCreate Pair551937952023-02-06 12:09:051 day 9 mins ago0xdcc768daf863d3ec2f2abfc9ca671c5e3a888d77 IN  SpookySwap: Factory0 FTM0.119472365488
0xa3e05a2b58882ea13cd36a1bebb38b27b923be9cff97b6bc049e04a2461f781cCreate Pair551933882023-02-06 12:01:411 day 16 mins ago0xdcc768daf863d3ec2f2abfc9ca671c5e3a888d77 IN  SpookySwap: Factory0 FTM0.129042388958
0x5fb7b184fbe4a3f0dbb4d63e62f7e7fa7021a9a71eaac9ac12d5b1b8acbca968Create Pair520167692022-12-08 1:25:0961 days 10 hrs ago0xe169da5b85ab4d010048b1afda00835072294ba6 IN  SpookySwap: Factory0 FTM0.17639017917
0x2898db809aa6fa28925f7b2cb135203e0c1ec6c42de09dd5ccd2cb46337b646cCreate Pair520167582022-12-08 1:24:5461 days 10 hrs ago0xe169da5b85ab4d010048b1afda00835072294ba6 IN  SpookySwap: Factory0 FTM0.17639017917
0x3803c527f67fe5fdaa58b3d665d79a4ef4f0fe952ae5d37c716d12514a13eeacCreate Pair457586762022-08-27 1:38:10164 days 10 hrs ago0xa59ceeba17597dedadf77b34b8a877f4ded1c1c1 IN  SpookySwap: Factory0 FTM0.1978598
0xcb5b72e12ff4811bd64bb0b95e922568a86e693d52aa21f8cd292afb35969dc6Create Pair457319372022-08-26 16:26:13164 days 19 hrs ago0xa59ceeba17597dedadf77b34b8a877f4ded1c1c1 IN  SpookySwap: Factory0 FTM0.1978598
0x64f13613e50bf39e0d8ca081f28bc5cc94977f68e0ca001d9ebe0efddd4e5a01Create Pair457318452022-08-26 16:24:34164 days 19 hrs ago0xa59ceeba17597dedadf77b34b8a877f4ded1c1c1 IN  SpookySwap: Factory0 FTM0.049633
0x581db38e586dd0951c39ce05bf199b2032e7bbae5371608670aff9211d421b93Create Pair457316932022-08-26 16:20:46164 days 19 hrs ago0xa59ceeba17597dedadf77b34b8a877f4ded1c1c1 IN  SpookySwap: Factory0 FTM0.049633
0x122253bb2949bd1d28d65fff5d1646b09e7df4669cc737139441849d095f301dCreate Pair457111822022-08-26 8:47:04165 days 3 hrs ago0xa59ceeba17597dedadf77b34b8a877f4ded1c1c1 IN  SpookySwap: Factory0 FTM0.007007305666
0x308b7b7400121c3698815b4a4924c8740e068e57f9b26c932496bcf8f422395eCreate Pair457111592022-08-26 8:46:24165 days 3 hrs ago0xa59ceeba17597dedadf77b34b8a877f4ded1c1c1 IN  SpookySwap: Factory0 FTM0.006876802605
0x960ba29b2ccc2e2f84a6433ba7dbcf32c33d9c172a1a4ece28325e34edf3eac8Create Pair457104672022-08-26 8:30:37165 days 3 hrs ago0xa59ceeba17597dedadf77b34b8a877f4ded1c1c1 IN  SpookySwap: Factory0 FTM0.007370227714
0x4fe03920b4d96232ac17d67922b5aa2f5acb2bb32fd1ed364fe009f43c578f36Create Pair457104542022-08-26 8:30:15165 days 3 hrs ago0xa59ceeba17597dedadf77b34b8a877f4ded1c1c1 IN  SpookySwap: Factory0 FTM0.007370227714
0xf4f2981ddaaefa30c1ad433a9ff981cc295c21720dd2231fa55afd80e16c828aCreate Pair457099052022-08-26 8:19:01165 days 3 hrs ago0xa59ceeba17597dedadf77b34b8a877f4ded1c1c1 IN  SpookySwap: Factory0 FTM0.007252671592
0x533929239f6c1ee742b18f9efdc5678b0c684a4fd8282dec5606169a72c9259dCreate Pair457098992022-08-26 8:18:54165 days 3 hrs ago0xa59ceeba17597dedadf77b34b8a877f4ded1c1c1 IN  SpookySwap: Factory0 FTM0.007252671592
0x4187443f32b82b796a0fec3f19729851b5cd15e3174fc5d24f4ce19f63ebcf00Create Pair456548252022-08-25 12:59:48165 days 23 hrs ago0xa59ceeba17597dedadf77b34b8a877f4ded1c1c1 IN  SpookySwap: Factory0 FTM0.00653779694
0xa37368eeb9aeb85fc45a629fe777f8230a2727925e556e9370d09ec63f1cfd6aCreate Pair456547542022-08-25 12:58:26165 days 23 hrs ago0xa59ceeba17597dedadf77b34b8a877f4ded1c1c1 IN  SpookySwap: Factory0 FTM0.00653779694
0xe513818ca9c8cf66bb1e7c8d28c9691bc083f72b4ab35e0ca23d88e196adad38Create Pair456547472022-08-25 12:58:18165 days 23 hrs ago0xa59ceeba17597dedadf77b34b8a877f4ded1c1c1 IN  SpookySwap: Factory0 FTM0.00653779694
0x90d73577dc4cca69792af821250bb592c4a99cb3debce8624cc394767c96a3daCreate Pair456543182022-08-25 12:49:33165 days 23 hrs ago0xa59ceeba17597dedadf77b34b8a877f4ded1c1c1 IN  SpookySwap: Factory0 FTM0.006580661073
0xcea20826e083027fc7e329853fc65f459e608895cb97c04aa45fe29cbfa0478dCreate Pair456543102022-08-25 12:49:25165 days 23 hrs ago0xa59ceeba17597dedadf77b34b8a877f4ded1c1c1 IN  SpookySwap: Factory0 FTM0.006580661073
0x73e565b3ec52198cfa6fd7c2c0d9c541d1e0a07697b48c49220b3a5c7c665adeCreate Pair451454322022-08-18 4:59:33173 days 7 hrs ago0xa59ceeba17597dedadf77b34b8a877f4ded1c1c1 IN  SpookySwap: Factory0 FTM0.006262460985
0xd95e553ba2a58a871b0fb61da82b38ef0b31e74ac4601c2dc7c648cf2391269aCreate Pair451452642022-08-18 4:56:32173 days 7 hrs ago0xa59ceeba17597dedadf77b34b8a877f4ded1c1c1 IN  SpookySwap: Factory0 FTM0.006262460985
0x50f4bfae07063cd5cae85c11f4713753b54978666d8ddd753cb68c30599ca551Create Pair451452552022-08-18 4:56:23173 days 7 hrs ago0xa59ceeba17597dedadf77b34b8a877f4ded1c1c1 IN  SpookySwap: Factory0 FTM0.006262460985
0x5c7fda21ad13de6bbae6522d59a39ca75f101011aed5d66c9948d862f493886cCreate Pair450872812022-08-17 8:40:38174 days 3 hrs ago0xa59ceeba17597dedadf77b34b8a877f4ded1c1c1 IN  SpookySwap: Factory0 FTM0.0061629375
0x8f20cb8ad82f5b8111db81b60860fbb7841a401b3ec1af3d1f7c0d240840273dCreate Pair450871412022-08-17 8:37:37174 days 3 hrs ago0xa59ceeba17597dedadf77b34b8a877f4ded1c1c1 IN  SpookySwap: Factory0 FTM0.00629241244
0xb1fc8704f26e6d965e22f18d63f2528a1034010b3626829e04e58a1dfcbb6beeCreate Pair450871342022-08-17 8:37:30174 days 3 hrs ago0xa59ceeba17597dedadf77b34b8a877f4ded1c1c1 IN  SpookySwap: Factory0 FTM0.00629241244
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0xfb8d8f90952999ea9e6ecd7722f406311f2eb34b4c9123a86c14ff0e3a9b535c552567642023-02-07 11:21:0857 mins ago SpookySwap: Factory  Contract Creation0 FTM
0x0540ddc095af99ff475e919b870f4dc57e5aab88315040e45c28823be908a494552520002023-02-07 9:46:122 hrs 32 mins ago SpookySwap: Factory  Contract Creation0 FTM
0x4f51a0327a322c7d2b628c506eb12f85669dcb3060f4fda811c269dd96deb901552479962023-02-07 8:13:104 hrs 5 mins ago SpookySwap: Factory  Contract Creation0 FTM
0xf1db94506335ee59ce0b1b3206eeb42dca0fdfd9cd2667f092beabb1af551727552478852023-02-07 8:10:224 hrs 8 mins ago SpookySwap: Factory  Contract Creation0 FTM
0x4ff30557aac5ae3ab23b6a1cf0f6189dcfda1d3ef36d73ea8b020bdda2f4a199552454942023-02-07 7:08:555 hrs 9 mins ago SpookySwap: Factory  Contract Creation0 FTM
0xdea04ed2058248f129dd0e2a26a8f3a2f748fb6aec79e4eed2cc6c1b82ffc92f552441002023-02-07 6:31:205 hrs 47 mins ago SpookySwap: Factory  Contract Creation0 FTM
0x0ea7ad07d2a490da38796a7cdfe908a96530c0554e254615cc76fd3615a25811552413472023-02-07 4:55:287 hrs 23 mins ago SpookySwap: Factory  Contract Creation0 FTM
0x733c46fa5c9e56bdb266d253b376190f81bd5ba9fbbf82755d5ce04d278ffbbf552239872023-02-06 22:29:0213 hrs 49 mins ago SpookySwap: Factory  Contract Creation0 FTM
0x2fe922dbb51e21e6f26206bc2af9dc5aaa954d320ab86a34f6ef705db146b45a552192502023-02-06 20:55:1115 hrs 23 mins ago SpookySwap: Factory  Contract Creation0 FTM
0x33d0a5b0899d573fc124bd01f52212f1797c4960448fa8253e71dcf2bc92807c552158732023-02-06 19:45:3416 hrs 33 mins ago SpookySwap: Factory  Contract Creation0 FTM
0xa1cff87eb7d08d7c980944cb2c1c2223d84c4e1061d67cae4242a62dc90de831552144452023-02-06 19:18:4516 hrs 59 mins ago SpookySwap: Factory  Contract Creation0 FTM
0x786170bbec639434b1cd7e82128c1f200ec100b63b53617a4d01baeee73f2516552096852023-02-06 17:43:1318 hrs 35 mins ago SpookySwap: Factory  Contract Creation0 FTM
0x58c0c4f0ba2cd887409bfb7f9da41e630f7d1b299c7674220c622951f3073b73552062762023-02-06 16:36:5219 hrs 41 mins ago SpookySwap: Factory  Contract Creation0 FTM
0x2d37157703d7405967c8eea0b841c43fbc9024c466e30abc2a4e0f640e43e080552058312023-02-06 16:28:0819 hrs 50 mins ago SpookySwap: Factory  Contract Creation0 FTM
0xa6c68572a387effbee8f64eb039e9471a25e489d107ce2377944b10f80e529a1552051592023-02-06 16:16:0220 hrs 2 mins ago SpookySwap: Factory  Contract Creation0 FTM
0x2abb7260fb8bbbb9583e639cad0e1a2f4499cf959a35b9adf972d8167ca8926b552047942023-02-06 16:09:0920 hrs 9 mins ago SpookySwap: Factory  Contract Creation0 FTM
0x313163e133253569ebcd89b61e538090a7f0250b015d10037c5473a124a886e5551997562023-02-06 14:16:1522 hrs 2 mins ago SpookySwap: Factory  Contract Creation0 FTM
0xae1a8727f8660b8a0e02a08b1164c2e8b0ea3e1d6426b0088710bf8d7a86ae49551983792023-02-06 13:44:5722 hrs 33 mins ago SpookySwap: Factory  Contract Creation0 FTM
0xcce01b80c6a76f82f0f5cd1d5a7690b15c8dad5a828e871a2e5f3af621795a8d551977702023-02-06 13:33:5822 hrs 44 mins ago SpookySwap: Factory  Contract Creation0 FTM
0xb0219eb848e2f9aa662238c4444321729fe059f27e8545acb838a3b033e022f0551949962023-02-06 12:36:2223 hrs 42 mins ago SpookySwap: Factory  Contract Creation0 FTM
0x50c07a82b026eb0443d20c104d85a0186e0b17ca3736c1a549c6fc37d7b11f7a551937952023-02-06 12:09:051 day 9 mins ago SpookySwap: Factory  Contract Creation0 FTM
0xa3e05a2b58882ea13cd36a1bebb38b27b923be9cff97b6bc049e04a2461f781c551933882023-02-06 12:01:411 day 16 mins ago SpookySwap: Factory  Contract Creation0 FTM
0xf4798a1f94c14b52942f297f2aac70d1250bfebf437b838ceeb4b12310b4c069551909952023-02-06 10:55:371 day 1 hr ago SpookySwap: Factory  Contract Creation0 FTM
0x4109c2a81bba64dbbe1af2cd32d60b2ea12e67ba8011d84e871e4836ddeb50bd551875222023-02-06 9:22:161 day 2 hrs ago SpookySwap: Factory  Contract Creation0 FTM
0x6b969176d5b0b4a214b90cb0ca36a8ccdd8ee6de7b5647870a5785b515507e9d551873752023-02-06 9:17:131 day 3 hrs ago SpookySwap: 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 999999 runs

Other Settings:
default evmVersion, GNU GPLv3 license

Contract Source Code (Solidity)

/**
 *Submitted for verification at FtmScan.com on 2021-04-17
*/

// SPDX-License-Identifier: GPL-3.0

pragma solidity =0.6.12;

library SafeMath {
    function add(uint x, uint y) internal pure returns (uint z) {
        require((z = x + y) >= x, 'ds-math-add-overflow');
    }

    function sub(uint x, uint y) internal pure returns (uint z) {
        require((z = x - y) <= x, 'ds-math-sub-underflow');
    }

    function mul(uint x, uint y) internal pure returns (uint z) {
        require(y == 0 || (z = x * y) / y == x, 'ds-math-mul-overflow');
    }
}


contract UniswapV2ERC20 {
    using SafeMath for uint;

    string public constant name = 'Spooky LP';
    string public constant symbol = 'spLP';
    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);
    }
}
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;
        }
    }
}
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);
    }
}

interface IERC20 {
    event Approval(address indexed owner, address indexed spender, uint value);
    event Transfer(address indexed from, address indexed to, uint value);

    function name() external view returns (string memory);
    function symbol() external view returns (string memory);
    function decimals() external view returns (uint8);
    function totalSupply() external view returns (uint);
    function balanceOf(address owner) external view returns (uint);
    function allowance(address owner, address spender) external view returns (uint);

    function approve(address spender, uint value) external returns (bool);
    function transfer(address to, uint value) external returns (bool);
    function transferFrom(address from, address to, uint value) external returns (bool);
}

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


interface IUniswapV2Factory {
    event PairCreated(address indexed token0, address indexed token1, address pair, uint);

    function feeTo() external view returns (address);
    function feeToSetter() external view returns (address);

    function getPair(address tokenA, address tokenB) external view returns (address pair);
    function allPairs(uint) external view returns (address pair);
    function allPairsLength() external view returns (uint);

    function createPair(address tokenA, address tokenB) external returns (address pair);

    function setFeeTo(address) external;
    function setFeeToSetter(address) external;
}

contract UniswapV2Pair is UniswapV2ERC20 {
    using SafeMath  for uint;
    using UQ112x112 for uint224;

    uint public constant MINIMUM_LIQUIDITY = 10**3;
    bytes4 private constant SELECTOR = bytes4(keccak256(bytes('transfer(address,uint256)')));

    address public factory;
    address public token0;
    address public token1;

    uint112 private reserve0;           // uses single storage slot, accessible via getReserves
    uint112 private reserve1;           // uses single storage slot, accessible via getReserves
    uint32  private blockTimestampLast; // uses single storage slot, accessible via getReserves

    uint public price0CumulativeLast;
    uint public price1CumulativeLast;
    uint public kLast; // reserve0 * reserve1, as of immediately after the most recent liquidity event

    uint private unlocked = 1;
    modifier lock() {
        require(unlocked == 1, 'UniswapV2: LOCKED');
        unlocked = 0;
        _;
        unlocked = 1;
    }

    function getReserves() public view returns (uint112 _reserve0, uint112 _reserve1, uint32 _blockTimestampLast) {
        _reserve0 = reserve0;
        _reserve1 = reserve1;
        _blockTimestampLast = blockTimestampLast;
    }

    function _safeTransfer(address token, address to, uint value) private {
        (bool success, bytes memory data) = token.call(abi.encodeWithSelector(SELECTOR, to, value));
        require(success && (data.length == 0 || abi.decode(data, (bool))), 'UniswapV2: TRANSFER_FAILED');
    }

    event Mint(address indexed sender, uint amount0, uint amount1);
    event Burn(address indexed sender, uint amount0, uint amount1, address indexed to);
    event Swap(
        address indexed sender,
        uint amount0In,
        uint amount1In,
        uint amount0Out,
        uint amount1Out,
        address indexed to
    );
    event Sync(uint112 reserve0, uint112 reserve1);

    constructor() public {
        factory = msg.sender;
    }

    // called once by the factory at time of deployment
    function initialize(address _token0, address _token1) external {
        require(msg.sender == factory, 'UniswapV2: FORBIDDEN'); // sufficient check
        token0 = _token0;
        token1 = _token1;
    }

    // update reserves and, on the first call per block, price accumulators
    function _update(uint balance0, uint balance1, uint112 _reserve0, uint112 _reserve1) private {
        require(balance0 <= uint112(-1) && balance1 <= uint112(-1), 'UniswapV2: OVERFLOW');
        uint32 blockTimestamp = uint32(block.timestamp % 2**32);
        uint32 timeElapsed = blockTimestamp - blockTimestampLast; // overflow is desired
        if (timeElapsed > 0 && _reserve0 != 0 && _reserve1 != 0) {
            // * never overflows, and + overflow is desired
            price0CumulativeLast += uint(UQ112x112.encode(_reserve1).uqdiv(_reserve0)) * timeElapsed;
            price1CumulativeLast += uint(UQ112x112.encode(_reserve0).uqdiv(_reserve1)) * timeElapsed;
        }
        reserve0 = uint112(balance0);
        reserve1 = uint112(balance1);
        blockTimestampLast = blockTimestamp;
        emit Sync(reserve0, reserve1);
    }

    // if fee is on, mint liquidity equivalent to 1/6th of the growth in sqrt(k)
    function _mintFee(uint112 _reserve0, uint112 _reserve1) private returns (bool feeOn) {
        address feeTo = IUniswapV2Factory(factory).feeTo();
        feeOn = feeTo != address(0);
        uint _kLast = kLast; // gas savings
        if (feeOn) {
            if (_kLast != 0) {
                uint rootK = Math.sqrt(uint(_reserve0).mul(_reserve1));
                uint rootKLast = Math.sqrt(_kLast);
                if (rootK > rootKLast) {
                    uint numerator = totalSupply.mul(rootK.sub(rootKLast));
                    uint denominator = rootK.mul(3).add(rootKLast);
                    uint liquidity = numerator / denominator;
                    if (liquidity > 0) _mint(feeTo, liquidity);
                }
            }
        } else if (_kLast != 0) {
            kLast = 0;
        }
    }

    // this low-level function should be called from a contract which performs important safety checks
    function mint(address to) external lock returns (uint liquidity) {
        (uint112 _reserve0, uint112 _reserve1,) = getReserves(); // gas savings
        uint balance0 = IERC20(token0).balanceOf(address(this));
        uint balance1 = IERC20(token1).balanceOf(address(this));
        uint amount0 = balance0.sub(_reserve0);
        uint amount1 = balance1.sub(_reserve1);

        bool feeOn = _mintFee(_reserve0, _reserve1);
        uint _totalSupply = totalSupply; // gas savings, must be defined here since totalSupply can update in _mintFee
        if (_totalSupply == 0) {
            liquidity = Math.sqrt(amount0.mul(amount1)).sub(MINIMUM_LIQUIDITY);
           _mint(address(0), MINIMUM_LIQUIDITY); // permanently lock the first MINIMUM_LIQUIDITY tokens
        } else {
            liquidity = Math.min(amount0.mul(_totalSupply) / _reserve0, amount1.mul(_totalSupply) / _reserve1);
        }
        require(liquidity > 0, 'UniswapV2: INSUFFICIENT_LIQUIDITY_MINTED');
        _mint(to, liquidity);

        _update(balance0, balance1, _reserve0, _reserve1);
        if (feeOn) kLast = uint(reserve0).mul(reserve1); // reserve0 and reserve1 are up-to-date
        emit Mint(msg.sender, amount0, amount1);
    }

    // this low-level function should be called from a contract which performs important safety checks
    function burn(address to) external lock returns (uint amount0, uint amount1) {
        (uint112 _reserve0, uint112 _reserve1,) = getReserves(); // gas savings
        address _token0 = token0;                                // gas savings
        address _token1 = token1;                                // gas savings
        uint balance0 = IERC20(_token0).balanceOf(address(this));
        uint balance1 = IERC20(_token1).balanceOf(address(this));
        uint liquidity = balanceOf[address(this)];

        bool feeOn = _mintFee(_reserve0, _reserve1);
        uint _totalSupply = totalSupply; // gas savings, must be defined here since totalSupply can update in _mintFee
        amount0 = liquidity.mul(balance0) / _totalSupply; // using balances ensures pro-rata distribution
        amount1 = liquidity.mul(balance1) / _totalSupply; // using balances ensures pro-rata distribution
        require(amount0 > 0 && amount1 > 0, 'UniswapV2: INSUFFICIENT_LIQUIDITY_BURNED');
        _burn(address(this), liquidity);
        _safeTransfer(_token0, to, amount0);
        _safeTransfer(_token1, to, amount1);
        balance0 = IERC20(_token0).balanceOf(address(this));
        balance1 = IERC20(_token1).balanceOf(address(this));

        _update(balance0, balance1, _reserve0, _reserve1);
        if (feeOn) kLast = uint(reserve0).mul(reserve1); // reserve0 and reserve1 are up-to-date
        emit Burn(msg.sender, amount0, amount1, to);
    }

    // this low-level function should be called from a contract which performs important safety checks
    function swap(uint amount0Out, uint amount1Out, address to, bytes calldata data) external lock {
        require(amount0Out > 0 || amount1Out > 0, 'UniswapV2: INSUFFICIENT_OUTPUT_AMOUNT');
        (uint112 _reserve0, uint112 _reserve1,) = getReserves(); // gas savings
        require(amount0Out < _reserve0 && amount1Out < _reserve1, 'UniswapV2: INSUFFICIENT_LIQUIDITY');

        uint balance0;
        uint balance1;
        { // scope for _token{0,1}, avoids stack too deep errors
        address _token0 = token0;
        address _token1 = token1;
        require(to != _token0 && to != _token1, 'UniswapV2: INVALID_TO');
        if (amount0Out > 0) _safeTransfer(_token0, to, amount0Out); // optimistically transfer tokens
        if (amount1Out > 0) _safeTransfer(_token1, to, amount1Out); // optimistically transfer tokens
        if (data.length > 0) IUniswapV2Callee(to).uniswapV2Call(msg.sender, amount0Out, amount1Out, data);
        balance0 = IERC20(_token0).balanceOf(address(this));
        balance1 = IERC20(_token1).balanceOf(address(this));
        }
        uint amount0In = balance0 > _reserve0 - amount0Out ? balance0 - (_reserve0 - amount0Out) : 0;
        uint amount1In = balance1 > _reserve1 - amount1Out ? balance1 - (_reserve1 - amount1Out) : 0;
        require(amount0In > 0 || amount1In > 0, 'UniswapV2: INSUFFICIENT_INPUT_AMOUNT');
        { // scope for reserve{0,1}Adjusted, avoids stack too deep errors
        uint balance0Adjusted = balance0.mul(1000).sub(amount0In.mul(2));
        uint balance1Adjusted = balance1.mul(1000).sub(amount1In.mul(2));
        require(balance0Adjusted.mul(balance1Adjusted) >= uint(_reserve0).mul(_reserve1).mul(1000**2), 'UniswapV2: K');
        }

        _update(balance0, balance1, _reserve0, _reserve1);
        emit Swap(msg.sender, amount0In, amount1In, amount0Out, amount1Out, to);
    }

    // force balances to match reserves
    function skim(address to) external lock {
        address _token0 = token0; // gas savings
        address _token1 = token1; // gas savings
        _safeTransfer(_token0, to, IERC20(_token0).balanceOf(address(this)).sub(reserve0));
        _safeTransfer(_token1, to, IERC20(_token1).balanceOf(address(this)).sub(reserve1));
    }

    // force reserves to match balances
    function sync() external lock {
        _update(IERC20(token0).balanceOf(address(this)), IERC20(token1).balanceOf(address(this)), reserve0, reserve1);
    }
}

contract UniswapV2Factory is IUniswapV2Factory {
    bytes32 public constant INIT_CODE_PAIR_HASH = keccak256(abi.encodePacked(type(UniswapV2Pair).creationCode));
    address public override feeTo;
    address public override feeToSetter;

    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 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":[],"name":"INIT_CODE_PAIR_HASH","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"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":"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"}]

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

00000000000000000000000095478c4f7d22d1048f46100001c2c69d2ba57380

-----Decoded View---------------
Arg [0] : _feeToSetter (address): 0x95478c4f7d22d1048f46100001c2c69d2ba57380

-----Encoded View---------------
1 Constructor Arguments found :
Arg [0] : 00000000000000000000000095478c4f7d22d1048f46100001c2c69d2ba57380


Deployed ByteCode Sourcemap

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Swarm Source

ipfs://272876017580971dfc6f93f164bb0fccf807dd4055f4e75f023529cc893fdf41
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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