Contract 0x991152411A7B5A14A8CF0cDDE8439435328070dF 1

Txn Hash Method
Block
From
To
Value [Txn Fee]
0xd6f75ccf1e899f06825de9740547d53b42980f15477a40cba7ddb034811629a1Set Fee To Sette...77623992021-05-26 16:09:18115 days 18 hrs agoHyperJump: Deployer IN  HyperJump: HyperSwap Factory0 FTM0.003462116
0xe762cfbd14464b4b1369e183e9b366e95709f428881423677481c2ba6a924eabSet Fee To77623302021-05-26 16:08:32115 days 18 hrs agoHyperJump: Deployer IN  HyperJump: HyperSwap Factory0 FTM0.003464678
0x58051811afe7949d9793d425b2dd0afa95355cfa1c490c3c01055f519a0a2bfaSet Fee To38123142021-04-17 23:17:20154 days 11 hrs agoHyperJump: Deployer IN  HyperJump: HyperSwap Factory0 FTM0.000043399
0x6263d389a5d863339fcaf48b06ee52122440759c269d9b8e230188c379420e070x6080604038121892021-04-17 23:13:56154 days 11 hrs agoHyperJump: Deployer IN  Contract Creation0 FTM0.002456454
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0x23ddceb49c1a31f8481b7c5c90fa177f049502a393dcdfba17883622349ec0b8165373332021-09-06 18:59:2712 days 15 hrs ago HyperJump: HyperSwap Factory  Contract Creation0 FTM
0x7bd4d94679220dc157aeafc2cd8912289a35e37d6284a818363ae289cb3250a2161564452021-09-02 13:23:3216 days 21 hrs ago HyperJump: HyperSwap Factory  Contract Creation0 FTM
0x372ece2216ee5deaa0594cd279dec78d82a25ffbaa3baec45ac2d73e243329cb159211752021-08-30 19:11:3819 days 15 hrs ago HyperJump: HyperSwap Factory  Contract Creation0 FTM
0xfdd8cbe4f89abdfe910b66212ae4fc39ff81b514d4b7b0eee01661be106001de150331222021-08-20 4:40:5830 days 5 hrs ago HyperJump: HyperSwap Factory  Contract Creation0 FTM
0xcfb9d39c2f59bfeef2eb893d3feaa12fda5267ccd972a9f0407b2fbb26cf1702150330062021-08-20 4:38:3330 days 5 hrs ago HyperJump: HyperSwap Factory  Contract Creation0 FTM
0xd0d8ed0487f9b04442961b9d4fdc6c7c7eab1a15a2915b439b57656d37d62c92148139312021-08-17 11:14:2832 days 23 hrs ago HyperJump: HyperSwap Factory  Contract Creation0 FTM
0xb4777ee20936c2b298f694295a1d5068a65cf06eb445ccdf32d0e84bbcbe3d6a147575762021-08-16 18:48:2333 days 15 hrs ago HyperJump: HyperSwap Factory  Contract Creation0 FTM
0x36fde1ac65395de3d013be5d1cd28afcc7bf237cc945b9ee2d64d0cd4dbbce16145520512021-08-14 4:51:2836 days 5 hrs ago HyperJump: HyperSwap Factory  Contract Creation0 FTM
0x12791abb22d017297ba796fff010841bcec7b9156fdef8db7d390a7b77974267145518352021-08-14 4:47:2836 days 5 hrs ago HyperJump: HyperSwap Factory  Contract Creation0 FTM
0xd13c7adfd98e74359d67dc0372b7d5e77671a6dbcbed9ac697d80d93da7f1adc145517282021-08-14 4:45:4036 days 5 hrs ago HyperJump: HyperSwap Factory  Contract Creation0 FTM
0x967e6ab3ad8a05291d547416d869c78056488a24f99e8776efb1d667b2160822145511842021-08-14 4:35:4036 days 5 hrs ago HyperJump: HyperSwap Factory  Contract Creation0 FTM
0xf4044653c6a444ef63db5c921428167696d55b40fd03bf9d5c4f5648f8d8021c144694992021-08-13 3:55:4437 days 6 hrs ago HyperJump: HyperSwap Factory  Contract Creation0 FTM
0x0ad81dbe91f2fc91aea7d3520e3115a2c10104fb4d2afea7706a940459f546f4143368182021-08-11 12:55:5238 days 21 hrs ago HyperJump: HyperSwap Factory  Contract Creation0 FTM
0xb375570f88a2819bc7e0b5b767f255432e84fa4e102ac6b7516a8fac5a3d02b4143366832021-08-11 12:53:5138 days 21 hrs ago HyperJump: HyperSwap Factory  Contract Creation0 FTM
0xcd89c974c36b5b65e9dad053a804c92de3e81bb98493e86886053a405f6c7b31142686332021-08-10 16:32:3439 days 17 hrs ago HyperJump: HyperSwap Factory  Contract Creation0 FTM
0x362656ab14680303544e0cb7b083c6ae41cac7b864de929e032c1ca3c373e342139709842021-08-06 22:59:5943 days 11 hrs ago HyperJump: HyperSwap Factory  Contract Creation0 FTM
0x7857cc34146b2d7440eaea559809a0631b6b9a173751cbaa77c6eb1e29eac397133023082021-07-30 5:43:2851 days 4 hrs ago HyperJump: HyperSwap Factory  Contract Creation0 FTM
0xbc78fdefb28f8a57cb89e7934d3c1e90a98de6383c2197d95d688ea62fbc110d128191282021-07-24 10:31:5656 days 23 hrs ago HyperJump: HyperSwap Factory  Contract Creation0 FTM
0x552b3b44e5a516c660b98b187d88dbc12de45e322a3fd8887af817a405bd9b0a127861922021-07-24 0:11:2657 days 10 hrs ago HyperJump: HyperSwap Factory  Contract Creation0 FTM
0x8c93145ea106ddc80e10a17af651c0081b7002cdfa6c84d85c775f9a88aced44127667062021-07-23 18:03:3057 days 16 hrs ago HyperJump: HyperSwap Factory  Contract Creation0 FTM
0xffdf3b3272deb8985bcb9d351ce6f637926c1e5317f68433803fb769e1d4b6f3127195202021-07-23 3:32:0058 days 6 hrs ago HyperJump: HyperSwap Factory  Contract Creation0 FTM
0x8b24da6110c7964d2f4f11e67b3516c7499c4255ff4d71434bc41098861093fe126736232021-07-22 12:46:5058 days 21 hrs ago HyperJump: HyperSwap Factory  Contract Creation0 FTM
0x9108be354d9f72ac1017fd61f1713c6b382e4f08b516c0b2d1da2fb86fcc26aa126076512021-07-21 16:15:3459 days 18 hrs ago HyperJump: HyperSwap Factory  Contract Creation0 FTM
0x9354dd650aee96053969706ea2bd8d0eeb91f57507e7a63fb6ed9cde5f95da1a123111662021-07-17 17:32:0763 days 16 hrs ago HyperJump: HyperSwap Factory  Contract Creation0 FTM
0xba05f8b466f4798dc99d4f395a48bc59911d6943e8f179b4dc411d65200c1765123107732021-07-17 17:24:2363 days 17 hrs ago HyperJump: HyperSwap Factory  Contract Creation0 FTM
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Contract Source Code Verified (Exact Match)

Contract Name:
HyperswapFactory

Compiler Version
v0.6.12+commit.27d51765

Optimization Enabled:
Yes with 999 runs

Other Settings:
default evmVersion, GNU GPLv3 license

Contract Source Code (Solidity)

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

// File: contracts/ftmswap/interfaces/IHyperswapFactory.sol

// SPDX-License-Identifier: GPL-3.0-or-later

pragma solidity >=0.5.0;

interface IHyperswapFactory {
    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;
}

// File: contracts/ftmswap/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 SafeMathHyperswap {
    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/ftmswap/HyperswapERC20.sol

pragma solidity =0.6.12;


contract HyperswapERC20 {
    using SafeMathHyperswap for uint;

    string public constant name = 'HyperSwap LP';
    string public constant symbol = 'HLP';
    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, 'Hyperswap: 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, 'Hyperswap: INVALID_SIGNATURE');
        _approve(owner, spender, value);
    }
}

// File: contracts/ftmswap/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/ftmswap/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/ftmswap/interfaces/IERC20.sol

pragma solidity >=0.5.0;

interface IERC20Hyperswap {
    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/ftmswap/interfaces/IHyperswapCallee.sol

pragma solidity >=0.5.0;

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

// File: contracts/ftmswap/HyperswapPair.sol

pragma solidity =0.6.12;







contract HyperswapPair is HyperswapERC20 {
    using SafeMathHyperswap  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, 'Hyperswap: 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))), 'Hyperswap: 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, 'Hyperswap: 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), 'Hyperswap: 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 1/4th of the growth in sqrt(k)
    function _mintFee(uint112 _reserve0, uint112 _reserve1) private returns (bool feeOn) {
        address feeTo = IHyperswapFactory(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 = IERC20Hyperswap(token0).balanceOf(address(this));
        uint balance1 = IERC20Hyperswap(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, 'Hyperswap: 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 = IERC20Hyperswap(_token0).balanceOf(address(this));
        uint balance1 = IERC20Hyperswap(_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, 'Hyperswap: INSUFFICIENT_LIQUIDITY_BURNED');
        _burn(address(this), liquidity);
        _safeTransfer(_token0, to, amount0);
        _safeTransfer(_token1, to, amount1);
        balance0 = IERC20Hyperswap(_token0).balanceOf(address(this));
        balance1 = IERC20Hyperswap(_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, 'Hyperswap: INSUFFICIENT_OUTPUT_AMOUNT');
        (uint112 _reserve0, uint112 _reserve1,) = getReserves(); // gas savings
        require(amount0Out < _reserve0 && amount1Out < _reserve1, 'Hyperswap: 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, 'Hyperswap: 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) IHyperswapCallee(to).HyperswapCall(msg.sender, amount0Out, amount1Out, data);
        balance0 = IERC20Hyperswap(_token0).balanceOf(address(this));
        balance1 = IERC20Hyperswap(_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, 'Hyperswap: 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), 'Hyperswap: 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, IERC20Hyperswap(_token0).balanceOf(address(this)).sub(reserve0));
        _safeTransfer(_token1, to, IERC20Hyperswap(_token1).balanceOf(address(this)).sub(reserve1));
    }

    // force reserves to match balances
    function sync() external lock {
        _update(IERC20Hyperswap(token0).balanceOf(address(this)), IERC20Hyperswap(token1).balanceOf(address(this)), reserve0, reserve1);
    }
}

// File: contracts/ftmswap/HyperswapFactory.sol

pragma solidity =0.6.12;



contract HyperswapFactory is IHyperswapFactory {
    bytes32 public constant INIT_CODE_PAIR_HASH = keccak256(abi.encodePacked(type(HyperswapPair).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 createPair(address tokenA, address tokenB) external override returns (address pair) {
        require(tokenA != tokenB, 'Hyperswap: IDENTICAL_ADDRESSES');
        (address token0, address token1) = tokenA < tokenB ? (tokenA, tokenB) : (tokenB, tokenA);
        require(token0 != address(0), 'Hyperswap: ZERO_ADDRESS');
        require(getPair[token0][token1] == address(0), 'Hyperswap: PAIR_EXISTS'); // single check is sufficient
        bytes memory bytecode = type(HyperswapPair).creationCode;
        bytes32 salt = keccak256(abi.encodePacked(token0, token1));
        assembly {
            pair := create2(0, add(bytecode, 32), mload(bytecode), salt)
        }
        HyperswapPair(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, 'Hyperswap: FORBIDDEN');
        feeTo = _feeTo;
    }

    function setFeeToSetter(address _feeToSetter) external override {
        require(msg.sender == feeToSetter, 'Hyperswap: 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":[{"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)

000000000000000000000000d0509ef50b331306dec08ed41b2a2087026e8721

-----Decoded View---------------
Arg [0] : _feeToSetter (address): 0xd0509ef50b331306dec08ed41b2a2087026e8721

-----Encoded View---------------
1 Constructor Arguments found :
Arg [0] : 000000000000000000000000d0509ef50b331306dec08ed41b2a2087026e8721


Deployed ByteCode Sourcemap

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Swarm Source

ipfs://0290e2955094dd836065e76068ad7fc2a010f8968417bd3eebb36309cc731ee6
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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