ETH Price: $3,070.52 (-1.07%)

Contract

0xA9aD6A54459635A62e883dC99861c1a69Cf2c5B3
 
Transaction Hash
Method
Block
From
To
Approve208510912024-09-28 19:01:4750 days ago1727550107IN
0xA9aD6A54...69Cf2c5B3
0 ETH0.000168726.98099438
Approve202459192024-07-06 7:16:35135 days ago1720250195IN
0xA9aD6A54...69Cf2c5B3
0 ETH0.000066312.74383172
Approve189176292024-01-02 5:28:35321 days ago1704173315IN
0xA9aD6A54...69Cf2c5B3
0 ETH0.0007363615.85174282
Approve188828762023-12-28 8:19:23326 days ago1703751563IN
0xA9aD6A54...69Cf2c5B3
0 ETH0.0012159326.17557777
Approve188600342023-12-25 3:19:23329 days ago1703474363IN
0xA9aD6A54...69Cf2c5B3
0 ETH0.0008651835.7971427
Approve184262752023-10-25 9:10:47390 days ago1698225047IN
0xA9aD6A54...69Cf2c5B3
0 ETH0.0006133813.20439654
Approve183673512023-10-17 3:15:47398 days ago1697512547IN
0xA9aD6A54...69Cf2c5B3
0 ETH0.000250025.41580495
Approve183538832023-10-15 6:06:35400 days ago1697349995IN
0xA9aD6A54...69Cf2c5B3
0 ETH0.000232865.01284105
Approve183217852023-10-10 18:16:35404 days ago1696961795IN
0xA9aD6A54...69Cf2c5B3
0 ETH0.000438989.50908344
Approve182539052023-10-01 6:29:35414 days ago1696141775IN
0xA9aD6A54...69Cf2c5B3
0 ETH0.000355437.65143316
Approve181940902023-09-22 21:35:35422 days ago1695418535IN
0xA9aD6A54...69Cf2c5B3
0 ETH0.000343217.38838995
Approve180853392023-09-07 15:07:35437 days ago1694099255IN
0xA9aD6A54...69Cf2c5B3
0 ETH0.0015617933.62099891
Approve180265592023-08-30 9:34:59446 days ago1693388099IN
0xA9aD6A54...69Cf2c5B3
0 ETH0.0009984421.49356743
Approve179963262023-08-26 3:59:23450 days ago1693022363IN
0xA9aD6A54...69Cf2c5B3
0 ETH0.0005459911.75363467
Approve179960342023-08-26 2:59:59450 days ago1693018799IN
0xA9aD6A54...69Cf2c5B3
0 ETH0.0003004512.43142286
Approve179960162023-08-26 2:56:23450 days ago1693018583IN
0xA9aD6A54...69Cf2c5B3
0 ETH0.0003892414.82665465
Approve179960022023-08-26 2:53:35450 days ago1693018415IN
0xA9aD6A54...69Cf2c5B3
0 ETH0.0003603513.72631
Approve179960002023-08-26 2:53:11450 days ago1693018391IN
0xA9aD6A54...69Cf2c5B3
0 ETH0.0003422113.03524741
Approve179959922023-08-26 2:51:35450 days ago1693018295IN
0xA9aD6A54...69Cf2c5B3
0 ETH0.0003552913.53366909
Approve179959862023-08-26 2:50:23450 days ago1693018223IN
0xA9aD6A54...69Cf2c5B3
0 ETH0.0003208612.22221424
Approve179959812023-08-26 2:49:23450 days ago1693018163IN
0xA9aD6A54...69Cf2c5B3
0 ETH0.0003267512.44646934
Approve179959792023-08-26 2:48:59450 days ago1693018139IN
0xA9aD6A54...69Cf2c5B3
0 ETH0.0005333411.55597285
Approve179745082023-08-23 2:44:47453 days ago1692758687IN
0xA9aD6A54...69Cf2c5B3
0 ETH0.0006613214.32902841
Approve179350762023-08-17 14:16:35458 days ago1692281795IN
0xA9aD6A54...69Cf2c5B3
0 ETH0.0021121745.78843657
Approve179267852023-08-16 10:26:35460 days ago1692181595IN
0xA9aD6A54...69Cf2c5B3
0 ETH0.0007866916.93520415
View all transactions

Latest 1 internal transaction

Advanced mode:
Parent Transaction Hash Block From To
170838622023-04-19 23:21:59578 days ago1681946519  Contract Creation0 ETH
Loading...
Loading

Similar Match Source Code
This contract matches the deployed Bytecode of the Source Code for Contract 0x1c2aD915...97CF51b22
The constructor portion of the code might be different and could alter the actual behaviour of the contract

Contract Name:
UniswapV2Pair

Compiler Version
v0.5.16+commit.9c3226ce

Optimization Enabled:
Yes with 999999 runs

Other Settings:
default evmVersion
File 1 of 1 : UniswapV2Pair.sol
// Dependency file: contracts/interfaces/IUniswapV2Pair.sol

// pragma solidity >=0.5.0;

interface IUniswapV2Pair {
    event Approval(address indexed owner, address indexed spender, uint value);
    event Transfer(address indexed from, address indexed to, uint value);

    function name() external pure returns (string memory);
    function symbol() external pure returns (string memory);
    function decimals() external pure 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);

    function DOMAIN_SEPARATOR() external view returns (bytes32);
    function PERMIT_TYPEHASH() external pure returns (bytes32);
    function nonces(address owner) external view returns (uint);

    function permit(address owner, address spender, uint value, uint deadline, uint8 v, bytes32 r, bytes32 s) external;

    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);

    function MINIMUM_LIQUIDITY() external pure returns (uint);
    function factory() external view returns (address);
    function token0() external view returns (address);
    function token1() external view returns (address);
    function getFeeRateNumerator() external view returns (uint32);
    function setFeeRateNumerator(uint32) external;
    function getReserves() external view returns (uint112 reserve0, uint112 reserve1, uint32 blockTimestampLast);
    function price0CumulativeLast() external view returns (uint);
    function price1CumulativeLast() external view returns (uint);
    function kLast() external view returns (uint);

    function mint(address to) external returns (uint liquidity);
    function mintFee() external;
    function burn(address to) external returns (uint amount0, uint amount1);
    function swap(uint amount0Out, uint amount1Out, address to, bytes calldata data) external;
    function skim(address to) external;
    function sync() external;

    function initialize(address, address) external;
}


// Dependency file: contracts/interfaces/IUniswapV2ERC20.sol

// pragma solidity >=0.5.0;

interface IUniswapV2ERC20 {
    event Approval(address indexed owner, address indexed spender, uint value);
    event Transfer(address indexed from, address indexed to, uint value);

    function name() external pure returns (string memory);
    function symbol() external pure returns (string memory);
    function decimals() external pure 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);

    function DOMAIN_SEPARATOR() external view returns (bytes32);
    function PERMIT_TYPEHASH() external pure returns (bytes32);
    function nonces(address owner) external view returns (uint);

    function permit(address owner, address spender, uint value, uint deadline, uint8 v, bytes32 r, bytes32 s) external;
}


// Dependency file: contracts/libraries/SafeMath.sol

// pragma solidity =0.5.16;

// a library for performing overflow-safe math, courtesy of DappHub (https://github.com/dapphub/ds-math)

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');
    }
}


// Dependency file: contracts/UniswapV2ERC20.sol

// pragma solidity =0.5.16;

// import 'contracts/interfaces/IUniswapV2ERC20.sol';
// import 'contracts/libraries/SafeMath.sol';

contract UniswapV2ERC20 is IUniswapV2ERC20 {
    using SafeMath for uint;

    string public constant name = 'HOPE-SWAP';
    string public constant symbol = 'HOPE-SWAP';
    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, 'HopeSwap: 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, 'HopeSwap: INVALID_SIGNATURE');
        _approve(owner, spender, value);
    }
}


// Dependency file: contracts/libraries/Math.sol

// pragma solidity =0.5.16;

// 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;
        }
    }
}


// Dependency file: contracts/libraries/UQ112x112.sol

// pragma solidity =0.5.16;

// 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);
    }
}


// Dependency file: contracts/interfaces/IERC20.sol

// pragma solidity >=0.5.0;

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);
}


// Dependency file: contracts/interfaces/IApprovedTokenManager.sol

// pragma solidity >=0.5.0;

interface IApprovedTokenManager {
    function isApprovedToken(address) external view returns (bool);
}


// Dependency file: contracts/interfaces/IUniswapV2Factory.sol

// pragma solidity >=0.5.0;
// import 'contracts/interfaces/IApprovedTokenManager.sol';

interface IUniswapV2Factory {
    event PairCreated(address indexed token0, address indexed token1, address pair, uint);
    event SetFeeTo(address);
    event SetFeeToSetter(address);
    event SetFeeRateNumerator(address, address, uint32);
    event SetApprovedTokenManager(IApprovedTokenManager);

    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;
    function setApprovedTokenManager(IApprovedTokenManager _approvedTokenManager) external;
    function setFeeRateNumerator(address tokenA, address tokenB, uint32 feeRateNumerator) external;
    function getLightRewardParams(address pair) external view returns (address _stHope, address _minter, address _ltToken, address _pairGauge);
}


// Dependency file: contracts/interfaces/IUniswapV2Callee.sol

// pragma solidity >=0.5.0;

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


// Dependency file: contracts/interfaces/ILightGauge.sol

// pragma solidity >=0.5.0;

interface ILightGauge{
    function claimableTokens(address to) external returns (uint256);
    function depositRewardToken(address token, uint256 amount) external;
}
interface IMinter{
    function mint(address) external;
}


// Root file: contracts/UniswapV2Pair.sol

pragma solidity =0.5.16;

// import 'contracts/interfaces/IUniswapV2Pair.sol';
// import 'contracts/UniswapV2ERC20.sol';
// import 'contracts/libraries/Math.sol';
// import 'contracts/libraries/UQ112x112.sol';
// import 'contracts/interfaces/IERC20.sol';
// import 'contracts/interfaces/IUniswapV2Factory.sol';
// import 'contracts/interfaces/IUniswapV2Callee.sol';
// import 'contracts/interfaces/ILightGauge.sol';

contract UniswapV2Pair is IUniswapV2Pair, 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;
    uint32  public feeRateNumerator = 9970;
    uint32  public constant feeRateDenominator = 10000;
    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, 'HopeSwap: 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))), 'HopeSwap: 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);
    event ClaimLightReward(uint256 amount);
    event SetFeeRateNumerator(uint32 _feeRateNumerator);

    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, 'HopeSwap: 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), 'HopeSwap: 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);
    }

    function setFeeRateNumerator(uint32 _feeRateNumerator) external {
        require(msg.sender == factory, 'HopeSwap: FORBIDDEN'); // sufficient check
        require(_feeRateNumerator>=9700 && _feeRateNumerator <=10000, 'HopeSwap: INVALID_VALUE');
        feeRateNumerator = _feeRateNumerator;
        emit SetFeeRateNumerator(_feeRateNumerator);
    }
    function getFeeRateNumerator() external view returns (uint32) {
        return feeRateNumerator;
    }
    // if fee is on, mint liquidity equivalent to 1/2 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.add(rootKLast);
                    uint liquidity = numerator / denominator;
                    if (liquidity > 0) _mint(feeTo, liquidity);
                }
            }
        } else if (_kLast != 0) {
            kLast = 0;
        }
    }

    function mintFee() external lock {
        (uint112 _reserve0, uint112 _reserve1,) = getReserves();
        bool feeOn = _mintFee(_reserve0, _reserve1);
        if (feeOn)
            kLast = uint(reserve0).mul(reserve1); // reserve0 and reserve1 are up-to-date
    }

    // 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, 'HopeSwap: 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, 'HopeSwap: 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, 'HopeSwap: INSUFFICIENT_OUTPUT_AMOUNT');
        (uint112 _reserve0, uint112 _reserve1,) = getReserves(); // gas savings
        require(amount0Out < _reserve0 && amount1Out < _reserve1, 'HopeSwap: 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, 'HopeSwap: 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, 'HopeSwap: INSUFFICIENT_INPUT_AMOUNT');
        { // scope for reserve{0,1}Adjusted, avoids stack too deep errors
        uint balance0Adjusted = balance0.mul(feeRateDenominator).sub(amount0In.mul(feeRateDenominator-feeRateNumerator));
        uint balance1Adjusted = balance1.mul(feeRateDenominator).sub(amount1In.mul(feeRateDenominator-feeRateNumerator));
        require(balance0Adjusted.mul(balance1Adjusted) >= uint(_reserve0).mul(_reserve1).mul(feeRateDenominator**2), 'HopeSwap: 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);
    }

    // claim ltToken for pool whose currency pair contains stHope, and transfer to poolGauge
    // 1. mint with stHope: receive ltToken from minter to pool(self) contains stHope according stHope amount
    // 2. deposit ltToken: transfer ltToken from pool(self) to poolGauge
    function claimLightReward() external {
        (address stHope, address minter, address ltToken, address pairGauge) = IUniswapV2Factory(factory).getLightRewardParams(address(this));
        require(stHope != address(0), "HopeSwap: INVALID_STHOPE");
        require(ltToken != address(0), "HopeSwap: INVALID_LTTOKEN");
        require(minter != address(0), "HopeSwap: INVALID_MINTER");
        require(pairGauge != address(0), "HopeSwap: INVALID_PAIRGAUGE");

        uint256 amount = ILightGauge(stHope).claimableTokens(address(this));
        require(amount>0, "HopeSwap: NO_BALANCE");
        IMinter(minter).mint(stHope);

        IERC20(ltToken).approve(pairGauge, amount);
        ILightGauge(pairGauge).depositRewardToken(ltToken, amount);
        emit ClaimLightReward(amount);
    }
}

Settings
{
  "optimizer": {
    "enabled": true,
    "runs": 999999
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  }
}

Contract Security Audit

Contract ABI

[{"inputs":[],"payable":false,"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"spender","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"sender","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount0","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"amount1","type":"uint256"},{"indexed":true,"internalType":"address","name":"to","type":"address"}],"name":"Burn","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"ClaimLightReward","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"sender","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount0","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"amount1","type":"uint256"}],"name":"Mint","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint32","name":"_feeRateNumerator","type":"uint32"}],"name":"SetFeeRateNumerator","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"sender","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount0In","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"amount1In","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"amount0Out","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"amount1Out","type":"uint256"},{"indexed":true,"internalType":"address","name":"to","type":"address"}],"name":"Swap","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint112","name":"reserve0","type":"uint112"},{"indexed":false,"internalType":"uint112","name":"reserve1","type":"uint112"}],"name":"Sync","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"Transfer","type":"event"},{"constant":true,"inputs":[],"name":"DOMAIN_SEPARATOR","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"MINIMUM_LIQUIDITY","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"PERMIT_TYPEHASH","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"internalType":"address","name":"","type":"address"},{"internalType":"address","name":"","type":"address"}],"name":"allowance","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"value","type":"uint256"}],"name":"approve","outputs":[{"internalType":"bool","name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"internalType":"address","name":"to","type":"address"}],"name":"burn","outputs":[{"internalType":"uint256","name":"amount0","type":"uint256"},{"internalType":"uint256","name":"amount1","type":"uint256"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[],"name":"claimLightReward","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"decimals","outputs":[{"internalType":"uint8","name":"","type":"uint8"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"factory","outputs":[{"internalType":"address","name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"feeRateDenominator","outputs":[{"internalType":"uint32","name":"","type":"uint32"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"feeRateNumerator","outputs":[{"internalType":"uint32","name":"","type":"uint32"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"getFeeRateNumerator","outputs":[{"internalType":"uint32","name":"","type":"uint32"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"getReserves","outputs":[{"internalType":"uint112","name":"_reserve0","type":"uint112"},{"internalType":"uint112","name":"_reserve1","type":"uint112"},{"internalType":"uint32","name":"_blockTimestampLast","type":"uint32"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"internalType":"address","name":"_token0","type":"address"},{"internalType":"address","name":"_token1","type":"address"}],"name":"initialize","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"kLast","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"internalType":"address","name":"to","type":"address"}],"name":"mint","outputs":[{"internalType":"uint256","name":"liquidity","type":"uint256"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[],"name":"mintFee","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"nonces","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"value","type":"uint256"},{"internalType":"uint256","name":"deadline","type":"uint256"},{"internalType":"uint8","name":"v","type":"uint8"},{"internalType":"bytes32","name":"r","type":"bytes32"},{"internalType":"bytes32","name":"s","type":"bytes32"}],"name":"permit","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"price0CumulativeLast","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"price1CumulativeLast","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"internalType":"uint32","name":"_feeRateNumerator","type":"uint32"}],"name":"setFeeRateNumerator","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"internalType":"address","name":"to","type":"address"}],"name":"skim","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"internalType":"uint256","name":"amount0Out","type":"uint256"},{"internalType":"uint256","name":"amount1Out","type":"uint256"},{"internalType":"address","name":"to","type":"address"},{"internalType":"bytes","name":"data","type":"bytes"}],"name":"swap","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[],"name":"sync","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"token0","outputs":[{"internalType":"address","name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"token1","outputs":[{"internalType":"address","name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"value","type":"uint256"}],"name":"transfer","outputs":[{"internalType":"bool","name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"value","type":"uint256"}],"name":"transferFrom","outputs":[{"internalType":"bool","name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"}]

Deployed Bytecode

0x608060405234801561001057600080fd5b506004361061020b5760003560e01c80635a3d54931161012a578063a9059cbb116100bd578063d21220a71161008c578063dd62ed3e11610071578063dd62ed3e146106e6578063f0b10c3614610721578063fff6cae9146107295761020b565b8063d21220a714610680578063d505accf146106885761020b565b8063a9059cbb14610604578063ba9a7a561461063d578063bc25cf7714610645578063c45a0155146106785761020b565b80637464fc3d116100f95780637464fc3d1461057d5780637ecebe001461058557806389afcb44146105b857806395d89b41146102ab5761020b565b80635a3d5493146104ec5780636a627842146104f457806370a0823114610527578063743bc1761461055a5761020b565b806323cbf1fb116101a25780633572a47d116101715780633572a47d146104995780633644e515146104a1578063485cc955146104a95780635909c0d5146104e45761020b565b806323cbf1fb1461044a57806330adf81f14610452578063313ce5671461045a57806335302817146104785761020b565b80630dfe1681116101de5780630dfe1681146103b457806313966db5146103e557806318160ddd146103ed57806323b872dd146104075761020b565b8063022c0d9f1461021057806306fdde03146102ab5780630902f1ac14610328578063095ea7b314610367575b600080fd5b6102a96004803603608081101561022657600080fd5b81359160208101359173ffffffffffffffffffffffffffffffffffffffff604083013516919081019060808101606082013564010000000081111561026a57600080fd5b82018360208201111561027c57600080fd5b8035906020019184600183028401116401000000008311171561029e57600080fd5b509092509050610731565b005b6102b3610e55565b6040805160208082528351818301528351919283929083019185019080838360005b838110156102ed5781810151838201526020016102d5565b50505050905090810190601f16801561031a5780820380516001836020036101000a031916815260200191505b509250505060405180910390f35b610330610e8e565b604080516dffffffffffffffffffffffffffff948516815292909316602083015263ffffffff168183015290519081900360600190f35b6103a06004803603604081101561037d57600080fd5b5073ffffffffffffffffffffffffffffffffffffffff8135169060200135610ee3565b604080519115158252519081900360200190f35b6103bc610efa565b6040805173ffffffffffffffffffffffffffffffffffffffff9092168252519081900360200190f35b6102a9610f16565b6103f5610ff6565b60408051918252519081900360200190f35b6103a06004803603606081101561041d57600080fd5b5073ffffffffffffffffffffffffffffffffffffffff813581169160208101359091169060400135610ffc565b6102a96110db565b6103f56116c1565b6104626116e5565b6040805160ff9092168252519081900360200190f35b6104806116ea565b6040805163ffffffff9092168252519081900360200190f35b61048061170e565b6103f5611732565b6102a9600480360360408110156104bf57600080fd5b5073ffffffffffffffffffffffffffffffffffffffff81358116916020013516611738565b6103f5611811565b6103f5611817565b6103f56004803603602081101561050a57600080fd5b503573ffffffffffffffffffffffffffffffffffffffff1661181d565b6103f56004803603602081101561053d57600080fd5b503573ffffffffffffffffffffffffffffffffffffffff16611bd7565b6102a96004803603602081101561057057600080fd5b503563ffffffff16611be9565b6103f5611d7d565b6103f56004803603602081101561059b57600080fd5b503573ffffffffffffffffffffffffffffffffffffffff16611d83565b6105eb600480360360208110156105ce57600080fd5b503573ffffffffffffffffffffffffffffffffffffffff16611d95565b6040805192835260208301919091528051918290030190f35b6103a06004803603604081101561061a57600080fd5b5073ffffffffffffffffffffffffffffffffffffffff8135169060200135612232565b6103f561223f565b6102a96004803603602081101561065b57600080fd5b503573ffffffffffffffffffffffffffffffffffffffff16612245565b6103bc612431565b6103bc61244d565b6102a9600480360360e081101561069e57600080fd5b5073ffffffffffffffffffffffffffffffffffffffff813581169160208101359091169060408101359060608101359060ff6080820135169060a08101359060c00135612469565b6103f5600480360360408110156106fc57600080fd5b5073ffffffffffffffffffffffffffffffffffffffff81358116916020013516612735565b610480612752565b6102a9612758565b600c546001146107a257604080517f08c379a000000000000000000000000000000000000000000000000000000000815260206004820152601060248201527f486f7065537761703a204c4f434b454400000000000000000000000000000000604482015290519081900360640190fd5b6000600c55841515806107b55750600084115b61080a576040517f08c379a00000000000000000000000000000000000000000000000000000000081526004018080602001828103825260248152602001806134816024913960400191505060405180910390fd5b600080610815610e8e565b5091509150816dffffffffffffffffffffffffffff16871080156108485750806dffffffffffffffffffffffffffff1686105b6108b357604080517f08c379a000000000000000000000000000000000000000000000000000000000815260206004820181905260248201527f486f7065537761703a20494e53554646494349454e545f4c4951554944495459604482015290519081900360640190fd5b600654600754600091829173ffffffffffffffffffffffffffffffffffffffff91821691908116908916821480159061091857508073ffffffffffffffffffffffffffffffffffffffff168973ffffffffffffffffffffffffffffffffffffffff1614155b61098357604080517f08c379a000000000000000000000000000000000000000000000000000000000815260206004820152601460248201527f486f7065537761703a20494e56414c49445f544f000000000000000000000000604482015290519081900360640190fd5b8a1561099457610994828a8d61293e565b89156109a5576109a5818a8c61293e565b8615610a87578873ffffffffffffffffffffffffffffffffffffffff166310d1e85c338d8d8c8c6040518663ffffffff1660e01b8152600401808673ffffffffffffffffffffffffffffffffffffffff1673ffffffffffffffffffffffffffffffffffffffff168152602001858152602001848152602001806020018281038252848482818152602001925080828437600081840152601f19601f8201169050808301925050509650505050505050600060405180830381600087803b158015610a6e57600080fd5b505af1158015610a82573d6000803e3d6000fd5b505050505b604080517f70a08231000000000000000000000000000000000000000000000000000000008152306004820152905173ffffffffffffffffffffffffffffffffffffffff8416916370a08231916024808301926020929190829003018186803b158015610af357600080fd5b505afa158015610b07573d6000803e3d6000fd5b505050506040513d6020811015610b1d57600080fd5b5051604080517f70a08231000000000000000000000000000000000000000000000000000000008152306004820152905191955073ffffffffffffffffffffffffffffffffffffffff8316916370a0823191602480820192602092909190829003018186803b158015610b8f57600080fd5b505afa158015610ba3573d6000803e3d6000fd5b505050506040513d6020811015610bb957600080fd5b5051925060009150506dffffffffffffffffffffffffffff85168a90038311610be3576000610bf9565b89856dffffffffffffffffffffffffffff160383035b9050600089856dffffffffffffffffffffffffffff16038311610c1d576000610c33565b89856dffffffffffffffffffffffffffff160383035b90506000821180610c445750600081115b610c99576040517f08c379a00000000000000000000000000000000000000000000000000000000081526004018080602001828103825260238152602001806134cc6023913960400191505060405180910390fd5b600554600090610cee90610cd690859063ffffffff74010000000000000000000000000000000000000000909104811661271003811690612b4b16565b610ce287612710612b4b565b9063ffffffff612bd116565b90506000610d24610cd6600560149054906101000a900463ffffffff166127100363ffffffff1685612b4b90919063ffffffff16565b9050610d576305f5e100610d4b6dffffffffffffffffffffffffffff8b8116908b16612b4b565b9063ffffffff612b4b16565b610d67838363ffffffff612b4b16565b1015610dd457604080517f08c379a000000000000000000000000000000000000000000000000000000000815260206004820152600b60248201527f486f7065537761703a204b000000000000000000000000000000000000000000604482015290519081900360640190fd5b5050610de284848888612c43565b60408051838152602081018390528082018d9052606081018c9052905173ffffffffffffffffffffffffffffffffffffffff8b169133917fd78ad95fa46c994b6551d0da85fc275fe613ce37657fb8d5e3d130840159d8229181900360800190a350506001600c55505050505050505050565b6040518060400160405280600981526020017f484f50452d53574150000000000000000000000000000000000000000000000081525081565b6008546dffffffffffffffffffffffffffff808216926e0100000000000000000000000000008304909116917c0100000000000000000000000000000000000000000000000000000000900463ffffffff1690565b6000610ef0338484612eff565b5060015b92915050565b60065473ffffffffffffffffffffffffffffffffffffffff1681565b600c54600114610f8757604080517f08c379a000000000000000000000000000000000000000000000000000000000815260206004820152601060248201527f486f7065537761703a204c4f434b454400000000000000000000000000000000604482015290519081900360640190fd5b6000600c81905580610f97610e8e565b50915091506000610fa88383612f6e565b90508015610fec57600854610fe8906dffffffffffffffffffffffffffff808216916e01000000000000000000000000000090041663ffffffff612b4b16565b600b555b50506001600c5550565b60005481565b73ffffffffffffffffffffffffffffffffffffffff831660009081526002602090815260408083203384529091528120547fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff146110c65773ffffffffffffffffffffffffffffffffffffffff84166000908152600260209081526040808320338452909152902054611094908363ffffffff612bd116565b73ffffffffffffffffffffffffffffffffffffffff851660009081526002602090815260408083203384529091529020555b6110d18484846130e9565b5060019392505050565b600554604080517fde83a263000000000000000000000000000000000000000000000000000000008152306004820152905160009283928392839273ffffffffffffffffffffffffffffffffffffffff169163de83a263916024808301926080929190829003018186803b15801561115257600080fd5b505afa158015611166573d6000803e3d6000fd5b505050506040513d608081101561117c57600080fd5b508051602082015160408301516060909301519196509450909250905073ffffffffffffffffffffffffffffffffffffffff841661121b57604080517f08c379a000000000000000000000000000000000000000000000000000000000815260206004820152601860248201527f486f7065537761703a20494e56414c49445f5354484f50450000000000000000604482015290519081900360640190fd5b73ffffffffffffffffffffffffffffffffffffffff821661129d57604080517f08c379a000000000000000000000000000000000000000000000000000000000815260206004820152601960248201527f486f7065537761703a20494e56414c49445f4c54544f4b454e00000000000000604482015290519081900360640190fd5b73ffffffffffffffffffffffffffffffffffffffff831661131f57604080517f08c379a000000000000000000000000000000000000000000000000000000000815260206004820152601860248201527f486f7065537761703a20494e56414c49445f4d494e5445520000000000000000604482015290519081900360640190fd5b73ffffffffffffffffffffffffffffffffffffffff81166113a157604080517f08c379a000000000000000000000000000000000000000000000000000000000815260206004820152601b60248201527f486f7065537761703a20494e56414c49445f5041495247415547450000000000604482015290519081900360640190fd5b604080517f84d24226000000000000000000000000000000000000000000000000000000008152306004820152905160009173ffffffffffffffffffffffffffffffffffffffff8716916384d242269160248082019260209290919082900301818787803b15801561141257600080fd5b505af1158015611426573d6000803e3d6000fd5b505050506040513d602081101561143c57600080fd5b50519050806114ac57604080517f08c379a000000000000000000000000000000000000000000000000000000000815260206004820152601460248201527f486f7065537761703a204e4f5f42414c414e4345000000000000000000000000604482015290519081900360640190fd5b8373ffffffffffffffffffffffffffffffffffffffff16636a627842866040518263ffffffff1660e01b8152600401808273ffffffffffffffffffffffffffffffffffffffff1673ffffffffffffffffffffffffffffffffffffffff168152602001915050600060405180830381600087803b15801561152b57600080fd5b505af115801561153f573d6000803e3d6000fd5b505050508273ffffffffffffffffffffffffffffffffffffffff1663095ea7b383836040518363ffffffff1660e01b8152600401808373ffffffffffffffffffffffffffffffffffffffff1673ffffffffffffffffffffffffffffffffffffffff16815260200182815260200192505050602060405180830381600087803b1580156115ca57600080fd5b505af11580156115de573d6000803e3d6000fd5b505050506040513d60208110156115f457600080fd5b5050604080517f2b1b9a2100000000000000000000000000000000000000000000000000000000815273ffffffffffffffffffffffffffffffffffffffff858116600483015260248201849052915191841691632b1b9a219160448082019260009290919082900301818387803b15801561166e57600080fd5b505af1158015611682573d6000803e3d6000fd5b50506040805184815290517ff5635016ad99397695022fbfb82b72dd82c9475113fdb6e001f91560a3810e189350908190036020019150a15050505050565b7f6e71edae12b1b97f4d1f60370fef10105fa2faae0126114a169c64845d6126c981565b601281565b60055474010000000000000000000000000000000000000000900463ffffffff1681565b60055474010000000000000000000000000000000000000000900463ffffffff1690565b60035481565b60055473ffffffffffffffffffffffffffffffffffffffff1633146117be57604080517f08c379a000000000000000000000000000000000000000000000000000000000815260206004820152601360248201527f486f7065537761703a20464f5242494444454e00000000000000000000000000604482015290519081900360640190fd5b6006805473ffffffffffffffffffffffffffffffffffffffff9384167fffffffffffffffffffffffff00000000000000000000000000000000000000009182161790915560078054929093169116179055565b60095481565b600a5481565b6000600c5460011461189057604080517f08c379a000000000000000000000000000000000000000000000000000000000815260206004820152601060248201527f486f7065537761703a204c4f434b454400000000000000000000000000000000604482015290519081900360640190fd5b6000600c819055806118a0610e8e565b50600654604080517f70a08231000000000000000000000000000000000000000000000000000000008152306004820152905193955091935060009273ffffffffffffffffffffffffffffffffffffffff909116916370a08231916024808301926020929190829003018186803b15801561191a57600080fd5b505afa15801561192e573d6000803e3d6000fd5b505050506040513d602081101561194457600080fd5b5051600754604080517f70a08231000000000000000000000000000000000000000000000000000000008152306004820152905192935060009273ffffffffffffffffffffffffffffffffffffffff909216916370a0823191602480820192602092909190829003018186803b1580156119bd57600080fd5b505afa1580156119d1573d6000803e3d6000fd5b505050506040513d60208110156119e757600080fd5b505190506000611a0d836dffffffffffffffffffffffffffff871663ffffffff612bd116565b90506000611a31836dffffffffffffffffffffffffffff871663ffffffff612bd116565b90506000611a3f8787612f6e565b60005490915080611a7c57611a686103e8610ce2611a63878763ffffffff612b4b16565b6131ca565b9850611a7760006103e861321c565b611ad9565b611ad66dffffffffffffffffffffffffffff8916611aa0868463ffffffff612b4b16565b81611aa757fe5b046dffffffffffffffffffffffffffff8916611ac9868563ffffffff612b4b16565b81611ad057fe5b046132cc565b98505b60008911611b32576040517f08c379a00000000000000000000000000000000000000000000000000000000081526004018080602001828103825260278152602001806134ef6027913960400191505060405180910390fd5b611b3c8a8a61321c565b611b4886868a8a612c43565b8115611b8a57600854611b86906dffffffffffffffffffffffffffff808216916e01000000000000000000000000000090041663ffffffff612b4b16565b600b555b6040805185815260208101859052815133927f4c209b5fc8ad50758f13e2e1088ba56a560dff690a1c6fef26394f4c03821c4f928290030190a250506001600c5550949695505050505050565b60016020526000908152604090205481565b60055473ffffffffffffffffffffffffffffffffffffffff163314611c6f57604080517f08c379a000000000000000000000000000000000000000000000000000000000815260206004820152601360248201527f486f7065537761703a20464f5242494444454e00000000000000000000000000604482015290519081900360640190fd5b6125e48163ffffffff1610158015611c8f57506127108163ffffffff1611155b611cfa57604080517f08c379a000000000000000000000000000000000000000000000000000000000815260206004820152601760248201527f486f7065537761703a20494e56414c49445f56414c5545000000000000000000604482015290519081900360640190fd5b6005805463ffffffff83167401000000000000000000000000000000000000000081027fffffffffffffffff00000000ffffffffffffffffffffffffffffffffffffffff9092169190911790915560408051918252517fac46dc97d1ae717cec6a9f92afc17a7d8cce2914b3485749146fe8cb0b5200419181900360200190a150565b600b5481565b60046020526000908152604090205481565b600080600c54600114611e0957604080517f08c379a000000000000000000000000000000000000000000000000000000000815260206004820152601060248201527f486f7065537761703a204c4f434b454400000000000000000000000000000000604482015290519081900360640190fd5b6000600c81905580611e19610e8e565b50600654600754604080517f70a08231000000000000000000000000000000000000000000000000000000008152306004820152905194965092945073ffffffffffffffffffffffffffffffffffffffff9182169391169160009184916370a08231916024808301926020929190829003018186803b158015611e9b57600080fd5b505afa158015611eaf573d6000803e3d6000fd5b505050506040513d6020811015611ec557600080fd5b5051604080517f70a08231000000000000000000000000000000000000000000000000000000008152306004820152905191925060009173ffffffffffffffffffffffffffffffffffffffff8516916370a08231916024808301926020929190829003018186803b158015611f3957600080fd5b505afa158015611f4d573d6000803e3d6000fd5b505050506040513d6020811015611f6357600080fd5b505130600090815260016020526040812054919250611f828888612f6e565b60005490915080611f99848763ffffffff612b4b16565b81611fa057fe5b049a5080611fb4848663ffffffff612b4b16565b81611fbb57fe5b04995060008b118015611fce575060008a115b612023576040517f08c379a00000000000000000000000000000000000000000000000000000000081526004018080602001828103825260278152602001806134a56027913960400191505060405180910390fd5b61202d30846132e4565b612038878d8d61293e565b612043868d8c61293e565b604080517f70a08231000000000000000000000000000000000000000000000000000000008152306004820152905173ffffffffffffffffffffffffffffffffffffffff8916916370a08231916024808301926020929190829003018186803b1580156120af57600080fd5b505afa1580156120c3573d6000803e3d6000fd5b505050506040513d60208110156120d957600080fd5b5051604080517f70a08231000000000000000000000000000000000000000000000000000000008152306004820152905191965073ffffffffffffffffffffffffffffffffffffffff8816916370a0823191602480820192602092909190829003018186803b15801561214b57600080fd5b505afa15801561215f573d6000803e3d6000fd5b505050506040513d602081101561217557600080fd5b5051935061218585858b8b612c43565b81156121c7576008546121c3906dffffffffffffffffffffffffffff808216916e01000000000000000000000000000090041663ffffffff612b4b16565b600b555b604080518c8152602081018c9052815173ffffffffffffffffffffffffffffffffffffffff8f169233927fdccd412f0b1252819cb1fd330b93224ca42612892bb3f4f789976e6d81936496929081900390910190a35050505050505050506001600c81905550915091565b6000610ef03384846130e9565b6103e881565b600c546001146122b657604080517f08c379a000000000000000000000000000000000000000000000000000000000815260206004820152601060248201527f486f7065537761703a204c4f434b454400000000000000000000000000000000604482015290519081900360640190fd5b6000600c55600654600754600854604080517f70a08231000000000000000000000000000000000000000000000000000000008152306004820152905173ffffffffffffffffffffffffffffffffffffffff9485169490931692612392928592879261238d926dffffffffffffffffffffffffffff169185916370a0823191602480820192602092909190829003018186803b15801561235557600080fd5b505afa158015612369573d6000803e3d6000fd5b505050506040513d602081101561237f57600080fd5b50519063ffffffff612bd116565b61293e565b600854604080517f70a082310000000000000000000000000000000000000000000000000000000081523060048201529051610fec928492879261238d926e01000000000000000000000000000090046dffffffffffffffffffffffffffff169173ffffffffffffffffffffffffffffffffffffffff8616916370a0823191602480820192602092909190829003018186803b15801561235557600080fd5b60055473ffffffffffffffffffffffffffffffffffffffff1681565b60075473ffffffffffffffffffffffffffffffffffffffff1681565b428410156124d857604080517f08c379a000000000000000000000000000000000000000000000000000000000815260206004820152601160248201527f486f7065537761703a2045585049524544000000000000000000000000000000604482015290519081900360640190fd5b60035473ffffffffffffffffffffffffffffffffffffffff80891660008181526004602090815260408083208054600180820190925582517f6e71edae12b1b97f4d1f60370fef10105fa2faae0126114a169c64845d6126c98186015280840196909652958d166060860152608085018c905260a085019590955260c08085018b90528151808603909101815260e0850182528051908301207f19010000000000000000000000000000000000000000000000000000000000006101008601526101028501969096526101228085019690965280518085039096018652610142840180825286519683019690962095839052610162840180825286905260ff89166101828501526101a284018890526101c28401879052519193926101e2808201937fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffe081019281900390910190855afa158015612639573d6000803e3d6000fd5b50506040517fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffe0015191505073ffffffffffffffffffffffffffffffffffffffff8116158015906126b457508873ffffffffffffffffffffffffffffffffffffffff168173ffffffffffffffffffffffffffffffffffffffff16145b61271f57604080517f08c379a000000000000000000000000000000000000000000000000000000000815260206004820152601b60248201527f486f7065537761703a20494e56414c49445f5349474e41545552450000000000604482015290519081900360640190fd5b61272a898989612eff565b505050505050505050565b600260209081526000928352604080842090915290825290205481565b61271081565b600c546001146127c957604080517f08c379a000000000000000000000000000000000000000000000000000000000815260206004820152601060248201527f486f7065537761703a204c4f434b454400000000000000000000000000000000604482015290519081900360640190fd5b6000600c55600654604080517f70a0823100000000000000000000000000000000000000000000000000000000815230600482015290516129379273ffffffffffffffffffffffffffffffffffffffff16916370a08231916024808301926020929190829003018186803b15801561284057600080fd5b505afa158015612854573d6000803e3d6000fd5b505050506040513d602081101561286a57600080fd5b5051600754604080517f70a08231000000000000000000000000000000000000000000000000000000008152306004820152905173ffffffffffffffffffffffffffffffffffffffff909216916370a0823191602480820192602092909190829003018186803b1580156128dd57600080fd5b505afa1580156128f1573d6000803e3d6000fd5b505050506040513d602081101561290757600080fd5b50516008546dffffffffffffffffffffffffffff808216916e010000000000000000000000000000900416612c43565b6001600c55565b604080518082018252601981527f7472616e7366657228616464726573732c75696e743235362900000000000000602091820152815173ffffffffffffffffffffffffffffffffffffffff85811660248301526044808301869052845180840390910181526064909201845291810180517bffffffffffffffffffffffffffffffffffffffffffffffffffffffff167fa9059cbb000000000000000000000000000000000000000000000000000000001781529251815160009460609489169392918291908083835b60208310612a4457805182527fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffe09092019160209182019101612a07565b6001836020036101000a0380198251168184511680821785525050505050509050019150506000604051808303816000865af19150503d8060008114612aa6576040519150601f19603f3d011682016040523d82523d6000602084013e612aab565b606091505b5091509150818015612ad9575080511580612ad95750808060200190516020811015612ad657600080fd5b50515b612b4457604080517f08c379a000000000000000000000000000000000000000000000000000000000815260206004820152601960248201527f486f7065537761703a205452414e534645525f4641494c454400000000000000604482015290519081900360640190fd5b5050505050565b6000811580612b6657505080820282828281612b6357fe5b04145b610ef457604080517f08c379a000000000000000000000000000000000000000000000000000000000815260206004820152601460248201527f64732d6d6174682d6d756c2d6f766572666c6f77000000000000000000000000604482015290519081900360640190fd5b80820382811115610ef457604080517f08c379a000000000000000000000000000000000000000000000000000000000815260206004820152601560248201527f64732d6d6174682d7375622d756e646572666c6f770000000000000000000000604482015290519081900360640190fd5b6dffffffffffffffffffffffffffff8411801590612c6f57506dffffffffffffffffffffffffffff8311155b612cda57604080517f08c379a000000000000000000000000000000000000000000000000000000000815260206004820152601260248201527f486f7065537761703a204f564552464c4f570000000000000000000000000000604482015290519081900360640190fd5b60085463ffffffff428116917c010000000000000000000000000000000000000000000000000000000090048116820390811615801590612d2a57506dffffffffffffffffffffffffffff841615155b8015612d4557506dffffffffffffffffffffffffffff831615155b15612df5578063ffffffff16612d8885612d5e866133a9565b7bffffffffffffffffffffffffffffffffffffffffffffffffffffffff169063ffffffff6133cd16565b600980547bffffffffffffffffffffffffffffffffffffffffffffffffffffffff929092169290920201905563ffffffff8116612dc884612d5e876133a9565b600a80547bffffffffffffffffffffffffffffffffffffffffffffffffffffffff92909216929092020190555b600880547fffffffffffffffffffffffffffffffffffff0000000000000000000000000000166dffffffffffffffffffffffffffff888116919091177fffffffff0000000000000000000000000000ffffffffffffffffffffffffffff166e0100000000000000000000000000008883168102919091177bffffffffffffffffffffffffffffffffffffffffffffffffffffffff167c010000000000000000000000000000000000000000000000000000000063ffffffff871602179283905560408051848416815291909304909116602082015281517f1c411e9a96e071241c2f21f7726b17ae89e3cab4c78be50e062b03a9fffbbad1929181900390910190a1505050505050565b73ffffffffffffffffffffffffffffffffffffffff808416600081815260026020908152604080832094871680845294825291829020859055815185815291517f8c5be1e5ebec7d5bd14f71427d1e84f3dd0314c0f7b2291e5b200ac8c7c3b9259281900390910190a3505050565b600080600560009054906101000a900473ffffffffffffffffffffffffffffffffffffffff1673ffffffffffffffffffffffffffffffffffffffff1663017e7e586040518163ffffffff1660e01b815260040160206040518083038186803b158015612fd957600080fd5b505afa158015612fed573d6000803e3d6000fd5b505050506040513d602081101561300357600080fd5b5051600b5473ffffffffffffffffffffffffffffffffffffffff82161580159450919250906130d55780156130d057600061305a611a636dffffffffffffffffffffffffffff88811690881663ffffffff612b4b16565b90506000613067836131ca565b9050808211156130cd576000613095613086848463ffffffff612bd116565b6000549063ffffffff612b4b16565b905060006130a9848463ffffffff61340e16565b905060008183816130b657fe5b04905080156130c9576130c9878261321c565b5050505b50505b6130e1565b80156130e1576000600b555b505092915050565b73ffffffffffffffffffffffffffffffffffffffff831660009081526001602052604090205461311f908263ffffffff612bd116565b73ffffffffffffffffffffffffffffffffffffffff8085166000908152600160205260408082209390935590841681522054613161908263ffffffff61340e16565b73ffffffffffffffffffffffffffffffffffffffff80841660008181526001602090815260409182902094909455805185815290519193928716927fddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef92918290030190a3505050565b6000600382111561320d575080600160028204015b81811015613207578091506002818285816131f657fe5b0401816131ff57fe5b0490506131df565b50613217565b8115613217575060015b919050565b60005461322f908263ffffffff61340e16565b600090815573ffffffffffffffffffffffffffffffffffffffff8316815260016020526040902054613267908263ffffffff61340e16565b73ffffffffffffffffffffffffffffffffffffffff831660008181526001602090815260408083209490945583518581529351929391927fddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef9281900390910190a35050565b60008183106132db57816132dd565b825b9392505050565b73ffffffffffffffffffffffffffffffffffffffff821660009081526001602052604090205461331a908263ffffffff612bd116565b73ffffffffffffffffffffffffffffffffffffffff831660009081526001602052604081209190915554613354908263ffffffff612bd116565b600090815560408051838152905173ffffffffffffffffffffffffffffffffffffffff8516917fddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef919081900360200190a35050565b6dffffffffffffffffffffffffffff166e0100000000000000000000000000000290565b60006dffffffffffffffffffffffffffff82167bffffffffffffffffffffffffffffffffffffffffffffffffffffffff84168161340657fe5b049392505050565b80820182811015610ef457604080517f08c379a000000000000000000000000000000000000000000000000000000000815260206004820152601460248201527f64732d6d6174682d6164642d6f766572666c6f77000000000000000000000000604482015290519081900360640190fdfe486f7065537761703a20494e53554646494349454e545f4f55545055545f414d4f554e54486f7065537761703a20494e53554646494349454e545f4c49515549444954595f4255524e4544486f7065537761703a20494e53554646494349454e545f494e5055545f414d4f554e54486f7065537761703a20494e53554646494349454e545f4c49515549444954595f4d494e544544a265627a7a7231582091ca4531c6f167eb4b29d1384dec860fe0d5d480a95317933455a853f85b3c1b64736f6c63430005100032

Block Transaction Difficulty Gas Used Reward
View All Blocks Produced

Block Uncle Number Difficulty Gas Used Reward
View All Uncles
Loading...
Loading
Loading...
Loading

Validator Index Block Amount
View All Withdrawals

Transaction Hash Block Value Eth2 PubKey Valid
View All Deposits
Loading...
Loading
[ Download: CSV Export  ]
[ Download: CSV Export  ]

A contract address hosts a smart contract, which is a set of code stored on the blockchain that runs when predetermined conditions are met. Learn more about addresses in our Knowledge Base.