Contract 0x152ee697f2e276fa89e96742e9bb9ab1f2e61be3 1

Txn Hash Method
Block
From
To
Value [Txn Fee]
0xf837a7f23a4743883ccd1cbb584e66b78c9abda90bed669563da6119be3bdf80Create Pair196242892021-10-20 22:08:594 days 13 hrs ago0x33b28c7abc38a7252a8bc1912ca5c677ebf4a0cb IN  SpookySwap: Factory0 FTM0.337111522782
0xdf66fc257f8c7cb3f29af3b0cebc87d6ae85f37d8784e4fdbd6b5a6d8877ec3eCreate Pair196242602021-10-20 22:08:294 days 13 hrs ago0x33b28c7abc38a7252a8bc1912ca5c677ebf4a0cb IN  SpookySwap: Factory0 FTM0.337111522782
0x884036dec562b92bae19a3c2e7654a24692faf8f31c6f5e32e40ab5f8d33384bCreate Pair195396742021-10-19 22:51:285 days 12 hrs ago0x3a7679e3662bc7c2eb2b1e71fa221da430c6f64b IN  SpookySwap: Factory0 FTM0.67788675
0x83e2e7ed8a353285873ab7a211fc30c8e5fca867cc397efc0ef91f20312df85fCreate Pair195383652021-10-19 22:30:255 days 12 hrs ago0x3a7679e3662bc7c2eb2b1e71fa221da430c6f64b IN  SpookySwap: Factory0 FTM0.67788675
0x72648ba7bed43f15e89a6c1e1e1cfc1dde106c718a9df0189821d2eafb704418Create Pair193327072021-10-17 13:17:377 days 22 hrs ago0x3a7679e3662bc7c2eb2b1e71fa221da430c6f64b IN  SpookySwap: Factory0 FTM0.40673205
0xdf8ec312b4e3683e1f15bb699b7584f2119442a7ad635b569f8c603bf92b6d69Create Pair193310182021-10-17 12:49:347 days 22 hrs ago0x3a7679e3662bc7c2eb2b1e71fa221da430c6f64b IN  SpookySwap: Factory0 FTM0.07813785
0x22efd6be28dfec8af6cb5b65b1f5a1c64efff17571f75523349f819492a2e6eeCreate Pair193308402021-10-17 12:46:467 days 22 hrs ago0x3a7679e3662bc7c2eb2b1e71fa221da430c6f64b IN  SpookySwap: Factory0 FTM0.40673205
0x6039fe933ee7aea5ea8dfda66055a191362fa420f1ed15b4558a2dc25faf519cCreate Pair193304252021-10-17 12:39:407 days 22 hrs ago0x3a7679e3662bc7c2eb2b1e71fa221da430c6f64b IN  SpookySwap: Factory0 FTM0.0571365
0x1b7075c1c29dfbc2a3a11b47e220c450c5b3b77dd5a08aecccff64fca5b011deCreate Pair189339372021-10-12 18:15:1212 days 17 hrs ago0x67aa010b59b61d057ba4899154184b6afa7029cf IN  SpookySwap: Factory0 FTM0.91163719318
0xb4c9d0ac1c231bad95450eb54aa412838b4bc05ee4b976b1db83c945264ba203Create Pair189339052021-10-12 18:14:4812 days 17 hrs ago0x67aa010b59b61d057ba4899154184b6afa7029cf IN  SpookySwap: Factory0 FTM0.91359472643
0x1486402928d559ae2571c330db431b61a2f173b300eb3f3de136ea2e00c794dbCreate Pair189032182021-10-12 9:14:3913 days 2 hrs ago0x3a7679e3662bc7c2eb2b1e71fa221da430c6f64b IN  SpookySwap: Factory0 FTM0.7714614
0x3d7731976491982577ebc389bf2b49ca6fdaab3d46b44a7c340210b600d5dec5Create Pair189019742021-10-12 8:52:5013 days 2 hrs ago0x3a7679e3662bc7c2eb2b1e71fa221da430c6f64b IN  SpookySwap: Factory0 FTM0.7714614
0x976770b41633962dca6d84b52b88fbf732acbf190f82d847429cf30f6e1f22c1Create Pair188754442021-10-12 0:47:3913 days 10 hrs ago0x5c8403a2617aca5c86946e32e14148776e37f72a IN  SpookySwap: Factory0 FTM0.456684426
0xbff164fb1d9773131fddce5b742706fd184c77c50cb7ecae00081dc7cb9f826aCreate Pair182856762021-10-04 12:45:0720 days 22 hrs ago0x3a7679e3662bc7c2eb2b1e71fa221da430c6f64b IN  SpookySwap: Factory0 FTM0.7714641
0xd71afcb69e8d8084aba816c91cd9bdabdf1cfe461f7541cabcd08c53bdbb1421Create Pair182852072021-10-04 12:36:3620 days 22 hrs ago0x3a7679e3662bc7c2eb2b1e71fa221da430c6f64b IN  SpookySwap: Factory0 FTM0.72
0xaa2af19d7bdd312514cbef619ffe6b917a1208ffd6ad3c3edbdf1025615fa02cCreate Pair182846702021-10-04 12:27:0620 days 22 hrs ago0x3a7679e3662bc7c2eb2b1e71fa221da430c6f64b IN  SpookySwap: Factory0 FTM0.3554274
0x93481c34500bc7cdb8bd8d61e21237c824579e6367ee515cd973369053a1bfc4Create Pair181800182021-10-03 1:55:4022 days 9 hrs agoKavian Finance: Deployer IN  SpookySwap: Factory0 FTM0.346714504486
0x3e9a0f5c0639891065ffa2eb7587b89afda812b4f6bd1786424427dbdba3c274Create Pair181799622021-10-03 1:54:5222 days 9 hrs agoKavian Finance: Deployer IN  SpookySwap: Factory0 FTM0.344451003138
0x96ab307601882e6efc802df8a4e5f4de26b273896e0fcba8d7e00a996606efdbCreate Pair181426632021-10-02 14:19:4122 days 21 hrs ago0x3a7679e3662bc7c2eb2b1e71fa221da430c6f64b IN  SpookySwap: Factory0 FTM0.7371825
0xd7f6836eba7c151ca830ec10deaf369c78995da6b48cd8fbdcb286207577b649Create Pair181422432021-10-02 14:05:5722 days 21 hrs ago0x3a7679e3662bc7c2eb2b1e71fa221da430c6f64b IN  SpookySwap: Factory0 FTM0.7371825
0x2b9a51f8859498c2110ea4d10fbdb219855c5e2a4b725546abbfeb7bb2eaec62Create Pair181415902021-10-02 13:45:3722 days 21 hrs ago0x3a7679e3662bc7c2eb2b1e71fa221da430c6f64b IN  SpookySwap: Factory0 FTM0.48326834261
0x6b895c0eb6d01af85c0c006a1063cce81d48560a7522e9dd63842aec881e4736Create Pair180040912021-09-30 16:49:2824 days 18 hrs ago0x3a7679e3662bc7c2eb2b1e71fa221da430c6f64b IN  SpookySwap: Factory0 FTM0.38828680058
0x8c880405996bd015b02d2c989e8108c59ad2486921165eb110d71ad9283f22acCreate Pair178023452021-09-27 15:43:2627 days 19 hrs ago0x3a7679e3662bc7c2eb2b1e71fa221da430c6f64b IN  SpookySwap: Factory0 FTM0.955943126967
0x7d8c4109588382d2086daa4f135d773063f56abcc2060c90d7faf43bc100fc8cCreate Pair176732882021-09-25 17:52:2329 days 17 hrs ago0x3a7679e3662bc7c2eb2b1e71fa221da430c6f64b IN  SpookySwap: Factory0 FTM0.541177723087
0x22ad6a31af081f8309ee8300d9941d09b8e37438fb487cbcc6e4f166ca06886eCreate Pair176695582021-09-25 16:45:3029 days 18 hrs ago0x3a7679e3662bc7c2eb2b1e71fa221da430c6f64b IN  SpookySwap: Factory0 FTM0.555015366605
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0xc17cb85629600a4c6dff6a3bb9f68c2a59e11939fe36327c696c7baa5e4774b8200504462021-10-25 11:17:208 mins ago SpookySwap: Factory  Contract Creation0 FTM
0xffa0c71f420f147ba2e97b86a595f77fce5c2675e6c601f2547d5b15d7f77952200496262021-10-25 11:05:3620 mins ago SpookySwap: Factory  Contract Creation0 FTM
0xbb564b41a8c6dfdb1f84013d4c8d1cad9ee7c14b2bfe8db8aab6abcf44956875200489252021-10-25 10:54:2031 mins ago SpookySwap: Factory  Contract Creation0 FTM
0xa3d860d05f490359a14286edc630410fb104b52d9101d8ade4fdca7031a57762200486132021-10-25 10:48:5837 mins ago SpookySwap: Factory  Contract Creation0 FTM
0xbb0254d2da3c704d40bee5a3c3bed2c0b132e23769ebd7f6964d934aabaa89c3200424442021-10-25 9:14:482 hrs 11 mins ago SpookySwap: Factory  Contract Creation0 FTM
0x8b1be21c5a5b13f6e5604e4cd9b3e3f846ba1ab9dca2aedfd9f387c058402e94200405412021-10-25 8:49:572 hrs 36 mins ago SpookySwap: Factory  Contract Creation0 FTM
0x3b52bb652e83a0ee23f5c3349784b0236ef84f4dde8e0cf5f0df1ed714e9a93e200380392021-10-25 8:12:493 hrs 13 mins ago SpookySwap: Factory  Contract Creation0 FTM
0xd93c14a2a9f1029471d229e694513c45af4752c55e82b8d2a179e78897bd0ccf200363252021-10-25 7:47:373 hrs 38 mins ago SpookySwap: Factory  Contract Creation0 FTM
0x846b76e0ed4d22f8a98c52251cc3c0fd960b452c2e9a31af71ed98176b025f10200354132021-10-25 7:33:473 hrs 52 mins ago SpookySwap: Factory  Contract Creation0 FTM
0x30ee32b66e05cc571e72cab0d1329f4b2deae299587ded5c3f7827f0147e79da200347932021-10-25 7:24:424 hrs 1 min ago SpookySwap: Factory  Contract Creation0 FTM
0x03180935f9eb467f06835cca3b874b6103d3e7930f1993b9670e2a7f1409c162200341142021-10-25 7:15:224 hrs 10 mins ago SpookySwap: Factory  Contract Creation0 FTM
0xc515464f3c2d843ac3ec3265314707a1de1a699edbd8f86763ca2ba48f83efb2200269362021-10-25 5:34:505 hrs 51 mins ago SpookySwap: Factory  Contract Creation0 FTM
0x95ac3e93bca1e560d6757291ee1969b0315d1d108a86b796a313457f6cb436a1200249472021-10-25 5:05:146 hrs 20 mins ago SpookySwap: Factory  Contract Creation0 FTM
0xad10cdfbabf86ea24972437247084d1278e4494b7fa54aa6bc1d040e88179b7a200246902021-10-25 5:00:426 hrs 25 mins ago SpookySwap: Factory  Contract Creation0 FTM
0x2b05b0b9a44ec0caab76162e17be160733aabeae8a9772fcdc4cad0dcb851832200222102021-10-25 4:25:107 hrs ago SpookySwap: Factory  Contract Creation0 FTM
0xc134bf30d253357d5ca6d3ada0ef5f8d1e7d827a70dcd4c1f4e96eb36b3399f4200220162021-10-25 4:22:217 hrs 3 mins ago SpookySwap: Factory  Contract Creation0 FTM
0x55892dd7493f45ae688b3376b587f72c37fc1b917763c2751c3fc8b6ff6d9aae200206962021-10-25 4:02:237 hrs 23 mins ago SpookySwap: Factory  Contract Creation0 FTM
0xff7e41d7e62395b84bf6253d4815cd4537698bc034a0701670d44018fc1bad45200178142021-10-25 3:21:538 hrs 4 mins ago SpookySwap: Factory  Contract Creation0 FTM
0x175d2d4276d85310202f9b44dd643703b8ffb05e00adce2e0a612ec60dc13a2c200112532021-10-25 1:46:149 hrs 39 mins ago SpookySwap: Factory  Contract Creation0 FTM
0x8257a16ca50a8d7a793d9d7f2ecf75a438a6c64dbc7b63235bf8d0807552516b200040462021-10-24 23:56:1811 hrs 29 mins ago SpookySwap: Factory  Contract Creation0 FTM
0xa426e7dfc319e8b481b73525a2c3eb8d13cf7f95e8d741335b73d00f77e01f68200028272021-10-24 23:37:0611 hrs 49 mins ago SpookySwap: Factory  Contract Creation0 FTM
0xea030b5b3a4dadd12a696eae9fd6bf6809955082b0b9ca8a5cb31d0a6e173bae200011932021-10-24 23:14:0212 hrs 12 mins ago SpookySwap: Factory  Contract Creation0 FTM
0x2e433019cd75879bcde329aa8a5e746794ace4f541681bd21e280578a247a1b6200002542021-10-24 23:01:4012 hrs 24 mins ago SpookySwap: Factory  Contract Creation0 FTM
0x26686d23e1b4d1cf95dea1fe330c4bf556213d058bb30a504a80f1a31b00f1de200000222021-10-24 22:58:2912 hrs 27 mins ago SpookySwap: Factory  Contract Creation0 FTM
0x37d088459820cc7cbb2f906630db78be4e0ff926dc5c922eb3203202986a8fc4199993932021-10-24 22:50:1612 hrs 35 mins 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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