Contract 0x2D2104906e109CEE827b64238FA5Ba604621b5a0

 
 
Txn Hash
Method
Block
From
To
Value
0x7d67a48fb4516b06c47ee5d5610ffdc8e7735c9b4245c11ddcfe3803312ed8afApprove156022362022-09-24 9:10:595 days 9 hrs ago0xc8702e87a43826796d4af26a0b43e6a67f551e55 IN  0x2d2104906e109cee827b64238fa5ba604621b5a00 Ether0.00032642 7.03359426
0xaece5c0c6daa31458425bc4f52d7515cbf17c817b47be69f72e1e026817698d0Approve154945892022-09-08 4:47:4121 days 13 hrs ago0xc735f3ab94a8f74e7cc26940521d4f825d5c46f4 IN  0x2d2104906e109cee827b64238fa5ba604621b5a00 Ether0.00059521 12.82508354
0x5c876c2c113c8d2c51f52dd8f6e2908fe9e91801478ce21d077533243ac6b87fApprove154937152022-09-08 1:35:1621 days 16 hrs ago0xe9dd86b61e53af9ef9d61cf1578df4d89e8d559f IN  0x2d2104906e109cee827b64238fa5ba604621b5a00 Ether0.00072728 15.67090334
0x58e7403214b5c403179a08a4d701dc8818536b9f3fe0629e1adf0d5039b4373dApprove154813162022-09-06 2:01:1223 days 16 hrs ago0xec855609c30afd6ab80b7940e1e6b306120b6b9c IN  0x2d2104906e109cee827b64238fa5ba604621b5a00 Ether0.00051142 11.01978587
0x6085d3a6177e9722ee523af98eb89c158d9b3b2781acf1f1f9aa4e36503b2c1bApprove154393392022-08-30 8:28:2830 days 9 hrs ago0x7f0389b647c2d3e14540bcc8fb24cd82132c8649 IN  0x2d2104906e109cee827b64238fa5ba604621b5a00 Ether0.00060443 13.02384768
0xc8ee6353fc2ba4d2828d21ed3b680310da5b551f1af9b131b9a653822aab1ca3Approve154390122022-08-30 7:12:3430 days 11 hrs ago0xd718b31115927c7a60165423b357ba59b7e38643 IN  0x2d2104906e109cee827b64238fa5ba604621b5a00 Ether0.00036583 7.88262353
0xb6b1e00aa4d0ba2417966a49e7daa190c28c791559ebc8cfd39ac069926ec57aApprove154389232022-08-30 6:54:1430 days 11 hrs ago0x6e58bdee94a421f967ad93a0c937681e9c75aafc IN  0x2d2104906e109cee827b64238fa5ba604621b5a00 Ether0.00044538 9.59679884
0x1005a6490e2124bc4717bb34cf8dcb55db1ff039325ae83276d8b0a2af1f61c2Approve154381362022-08-30 3:58:0730 days 14 hrs ago0x7d6da70076775667239058f1980a96af4a0d79ea IN  0x2d2104906e109cee827b64238fa5ba604621b5a00 Ether0.00066454 14.31891706
0xfcbd4f60d343a20dc51212ddbac3ed8975a30705177154eae24bf8e87e292c85Approve153625402022-08-18 3:03:0242 days 15 hrs ago0x0b03b46acdc65b80eb0108257c8038635b407b33 IN  0x2d2104906e109cee827b64238fa5ba604621b5a00 Ether0.000508 10.9460936
0x8ac479609cde24801a555c738e5a97357fe4dadfa69736bbbb9534b5654276a7Approve153435442022-08-15 2:53:3145 days 15 hrs ago0x28bbb6b3874bea6c9ce870a2192614e08ae500b9 IN  0x2d2104906e109cee827b64238fa5ba604621b5a00 Ether0.00056054 12.07805661
0x2041f1f292ccfc40ba69b29368a9f41caa91a9aa8f7e6c952836aa964e4948e1Approve153329502022-08-13 10:48:0747 days 7 hrs ago0x9cbbd9c945d465bc6402e1f52bcdd237a37d1416 IN  0x2d2104906e109cee827b64238fa5ba604621b5a00 Ether0.0004085 8.80199344
0x9e0184e43c10edfd923dcc9f3c95093b63a891b2f6da3c49322e36221f200df5Approve153142312022-08-10 12:04:2250 days 6 hrs ago0x00ed31f06adbe7915447129d24f31061d68a54b0 IN  0x2d2104906e109cee827b64238fa5ba604621b5a00 Ether0.00068965 14.86002296
0xb470878baf28966a542ef8153a481b285f21191282ef2b7020424fbb408b3b28Approve153032882022-08-08 18:59:0051 days 23 hrs ago0x0e2cfef186abff1f0884394b485a6c0a9f11d09b IN  0x2d2104906e109cee827b64238fa5ba604621b5a00 Ether0.0008353818
0xa06faa230acc6505433790ade668299682485c5dfaaebb6505bef6a2c6022f3bApprove153032572022-08-08 18:52:2351 days 23 hrs ago0x0e2cfef186abff1f0884394b485a6c0a9f11d09b IN  0x2d2104906e109cee827b64238fa5ba604621b5a00 Ether0.0010210222
0xd60b68b6b90a9fd7e00a97a3d49aa9cae101ba49e6e66fca3282904436a1e717Approve152760142022-08-04 12:55:2456 days 5 hrs ago0xa25279ec0ff51e7d4cb2080e260b022537454059 IN  0x2d2104906e109cee827b64238fa5ba604621b5a00 Ether0.00025105 5.40945484
0xf19bc3c97d9870f36e54f429577dc53e5cdf6cc01478bcc852a03f220383edacApprove152445422022-07-30 15:16:3961 days 3 hrs ago0xcb907d15c2c17453f9cde32566c52fc802d87050 IN  0x2d2104906e109cee827b64238fa5ba604621b5a00 Ether0.00096802 20.85806727
0xa882696ac973016c19ba9a88e1291b83f713e45f77fa62cf6ff1a0f53024c2a1Approve152420552022-07-30 5:55:3061 days 12 hrs ago0x4b1220630731906de448b24694d540c519c38120 IN  0x2d2104906e109cee827b64238fa5ba604621b5a00 Ether0.0002931 6.315611
0xbc35f02f514be6c7d25046bf08e4a30b1afeafcd8ca6773ba452de612a23a404Approve152336452022-07-28 22:26:1262 days 19 hrs ago0x8a277c151e1d87f1faa52153bcf66e9cbfe953e0 IN  0x2d2104906e109cee827b64238fa5ba604621b5a00 Ether0.00095828 20.64830444
0x064fe3bac283ad67693157b6cd5052dd52d5d1b4a697d235163d9b676ed920f9Approve151780752022-07-20 7:04:4471 days 11 hrs ago0xab639222b3a12d9f9667121e39d06e22560fb45b IN  0x2d2104906e109cee827b64238fa5ba604621b5a00 Ether0.00075522 16.27289888
0x3e9dc548dd8a13ccbde6eb3db9210cb7593087753bd52c01b64ccb5e2d4763d7Approve151159712022-07-10 16:32:0881 days 1 hr ago0x74997405aa5d623ab4147ce8a402dc144c8a95d7 IN  0x2d2104906e109cee827b64238fa5ba604621b5a00 Ether0.0015315333
0x6eb48aed50789fc6cefd4db3aa896ac42473d915484356fe2200cfe7ecc2773bApprove150881552022-07-06 9:38:5185 days 8 hrs ago0x28ebcb10688f53ecaf2afac1844b1e33f465ff40 IN  0x2d2104906e109cee827b64238fa5ba604621b5a00 Ether0.00103622 22.32770054
0x2dc2190a7cf0e919ab2c719e15021c6c753b05ac7924ba01777c7f8fb96dfd3eTransfer150804722022-07-05 4:53:4586 days 13 hrs ago0x2460da8189424dfa14b6d3f7546556bbb7077b5c IN  0x2d2104906e109cee827b64238fa5ba604621b5a00 Ether0.00050707 10.86091457
0x469852f241b18a32200c1247af1db85dbe6525af559ea227ebf7bb1cd7f9d2c8Approve150663842022-07-03 0:48:0488 days 17 hrs ago0x8857cb23ac71d42aaca65b6d28f357304569a9d8 IN  0x2d2104906e109cee827b64238fa5ba604621b5a00 Ether0.00046149 9.94389601
0x550e1b929557f753ef7aca5bd5a0282fc9438af06cc4ab264c813621e206bda7Approve150304892022-06-26 19:23:0294 days 22 hrs ago0xac2231fc78aae27420df88e350ff726f1a649b61 IN  0x2d2104906e109cee827b64238fa5ba604621b5a00 Ether0.00208059 44.83074379
0x042845d34bf405942b16e3abb0dcd721659592a37eed02f26d5e957aa296de54Approve149712722022-06-16 3:56:03105 days 14 hrs ago0x21ffa75feacea87ee720e5990417f33f1a12aaee IN  0x2d2104906e109cee827b64238fa5ba604621b5a00 Ether0.0015979334.43092811
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0xfaab6c07a95885813a24fc31f36cfe68981562896eab972a5ffb0331fa159898129794652021-08-07 18:00:22418 days 16 mins ago 0x115934131916c8b277dd010ee02de363c09d037c  Contract Creation0 Ether
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Similar Match Source Code
Note: This contract matches the deployed ByteCode of the Source Code for Contract 0xCF6dAAB95c476106ECa715D48DE4b13287ffDEAa

Contract Name:
UniswapV2Pair

Compiler Version
v0.6.12+commit.27d51765

Optimization Enabled:
Yes with 5000 runs

Other Settings:
default evmVersion
File 1 of 8 : UniswapV2Pair.sol
// SPDX-License-Identifier: MIT

pragma solidity =0.6.12;

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


interface IMigrator {
    // Return the desired amount of liquidity token that the migrator wants.
    function desiredLiquidity() external view returns (uint256);
}

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

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

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

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

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

    uint public totalFee; // total fee (parts per thousand) charged for a swap
    uint public alpha; // numerator for the protocol fee factor
    uint public beta; // denominator for the protocol fee factor

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

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

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

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

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

    // called once by the factory at time of deployment
    function initialize(address _token0, address _token1, uint _totalFee, uint _alpha, uint _beta) external {
        require(msg.sender == factory, 'UniswapV2: FORBIDDEN'); // sufficient check
        require(_alpha > 0,"_alpha must be greater than 0");
        require(_beta > _alpha,"beta should always be later than alpha");
        require(_totalFee > 0,"totalFee should not be 0, which will allow free flash swap");
        token0 = _token0;
        token1 = _token1;
        totalFee = _totalFee;
        alpha = _alpha;
        beta = _beta;
    }

    function updateFee(uint _totalFee, uint _alpha, uint _beta) external {
        require(msg.sender == factory, 'UniswapV2: FORBIDDEN');
        totalFee = _totalFee;
        alpha = _alpha;
        beta = _beta;

        emit FeeUpdated(_totalFee, _alpha, _beta);
    }

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

    // if fee is on, mint liquidity equivalent to alpha/beta 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)).mul(alpha);
                    uint denominator = rootK.mul(beta.sub(alpha)).add(rootKLast.mul(alpha));
                    uint liquidity = numerator / denominator;
                    if (liquidity > 0) _mint(feeTo, liquidity);
                }
            }
        } else if (_kLast != 0) {
            kLast = 0;
        }
    }

    // this low-level function should be called from a contract which performs important safety checks
    function mint(address to) external lock returns (uint liquidity) {
        (uint112 _reserve0, uint112 _reserve1,) = getReserves(); // gas savings
        uint balance0 = IERC20Uniswap(token0).balanceOf(address(this));
        uint balance1 = IERC20Uniswap(token1).balanceOf(address(this));
        uint amount0 = balance0.sub(_reserve0);
        uint amount1 = balance1.sub(_reserve1);

        bool feeOn = _mintFee(_reserve0, _reserve1);
        uint _totalSupply = totalSupply; // gas savings, must be defined here since totalSupply can update in _mintFee
        if (_totalSupply == 0) {
            address migrator = IUniswapV2Factory(factory).migrator();
            if (msg.sender == migrator) {
                liquidity = IMigrator(migrator).desiredLiquidity();
                require(liquidity > 0 && liquidity != uint256(-1), "Bad desired liquidity");
            } else {
                require(migrator == address(0), "Must not have migrator");
                liquidity = Math.sqrt(amount0.mul(amount1)).sub(MINIMUM_LIQUIDITY);
                _mint(address(0), MINIMUM_LIQUIDITY); // permanently lock the first MINIMUM_LIQUIDITY tokens
            }
        } else {
            liquidity = Math.min(amount0.mul(_totalSupply) / _reserve0, amount1.mul(_totalSupply) / _reserve1);
        }
        require(liquidity > 0, 'UniswapV2: INSUFFICIENT_LIQUIDITY_MINTED');
        _mint(to, liquidity);

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

    // this low-level function should be called from a contract which performs important safety checks
    function burn(address to) external lock returns (uint amount0, uint amount1) {
        (uint112 _reserve0, uint112 _reserve1,) = getReserves(); // gas savings
        address _token0 = token0;                                // gas savings
        address _token1 = token1;                                // gas savings
        uint balance0 = IERC20Uniswap(_token0).balanceOf(address(this));
        uint balance1 = IERC20Uniswap(_token1).balanceOf(address(this));
        uint liquidity = balanceOf[address(this)];

        bool feeOn = _mintFee(_reserve0, _reserve1);
        uint _totalSupply = totalSupply; // gas savings, must be defined here since totalSupply can update in _mintFee
        amount0 = liquidity.mul(balance0) / _totalSupply; // using balances ensures pro-rata distribution
        amount1 = liquidity.mul(balance1) / _totalSupply; // using balances ensures pro-rata distribution
        require(amount0 > 0 && amount1 > 0, 'UniswapV2: INSUFFICIENT_LIQUIDITY_BURNED');
        _burn(address(this), liquidity);
        _safeTransfer(_token0, to, amount0);
        _safeTransfer(_token1, to, amount1);
        balance0 = IERC20Uniswap(_token0).balanceOf(address(this));
        balance1 = IERC20Uniswap(_token1).balanceOf(address(this));

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

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

        uint balance0;
        uint balance1;
        { // scope for _token{0,1}, avoids stack too deep errors
        address _token0 = token0;
        address _token1 = token1;
        require(to != _token0 && to != _token1, 'UniswapV2: INVALID_TO');
        if (amount0Out > 0) _safeTransfer(_token0, to, amount0Out); // optimistically transfer tokens
        if (amount1Out > 0) _safeTransfer(_token1, to, amount1Out); // optimistically transfer tokens
        if (data.length > 0) IUniswapV2Callee(to).uniswapV2Call(msg.sender, amount0Out, amount1Out, data);
        balance0 = IERC20Uniswap(_token0).balanceOf(address(this));
        balance1 = IERC20Uniswap(_token1).balanceOf(address(this));
        }
        uint amount0In = balance0 > _reserve0 - amount0Out ? balance0 - (_reserve0 - amount0Out) : 0;
        uint amount1In = balance1 > _reserve1 - amount1Out ? balance1 - (_reserve1 - amount1Out) : 0;
        require(amount0In > 0 || amount1In > 0, 'UniswapV2: INSUFFICIENT_INPUT_AMOUNT');
        { // scope for reserve{0,1}Adjusted, avoids stack too deep errors
        uint balance0Adjusted = balance0.mul(1000).sub(amount0In.mul(totalFee));
        uint balance1Adjusted = balance1.mul(1000).sub(amount1In.mul(totalFee));
        require(balance0Adjusted.mul(balance1Adjusted) >= uint(_reserve0).mul(_reserve1).mul(1000**2), 'UniswapV2: K');
        }

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

    // force balances to match reserves
    function skim(address to) external lock {
        address _token0 = token0; // gas savings
        address _token1 = token1; // gas savings
        _safeTransfer(_token0, to, IERC20Uniswap(_token0).balanceOf(address(this)).sub(reserve0));
        _safeTransfer(_token1, to, IERC20Uniswap(_token1).balanceOf(address(this)).sub(reserve1));
    }

    // force reserves to match balances
    function sync() external lock {
        _update(IERC20Uniswap(token0).balanceOf(address(this)), IERC20Uniswap(token1).balanceOf(address(this)), reserve0, reserve1);
    }
}

File 2 of 8 : UniswapV2ERC20.sol
// SPDX-License-Identifier: MIT

pragma solidity =0.6.12;

import './libraries/SafeMath.sol';

contract UniswapV2ERC20 {
    using SafeMathUniswap for uint;

    string public constant name = 'ShibaSwap LP Token';
    string public constant symbol = 'SSLP';
    uint8 public constant decimals = 18;
    uint  public totalSupply;
    mapping(address => uint) public balanceOf;
    mapping(address => mapping(address => uint)) public allowance;

    bytes32 public DOMAIN_SEPARATOR;
    // keccak256("Permit(address owner,address spender,uint256 value,uint256 nonce,uint256 deadline)");
    bytes32 public constant PERMIT_TYPEHASH = 0x6e71edae12b1b97f4d1f60370fef10105fa2faae0126114a169c64845d6126c9;
    mapping(address => uint) public nonces;

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

    constructor() public {
        uint chainId;
        assembly {
            chainId := chainid()
        }
        DOMAIN_SEPARATOR = keccak256(
            abi.encode(
                keccak256('EIP712Domain(string name,string version,uint256 chainId,address verifyingContract)'),
                keccak256(bytes(name)),
                keccak256(bytes('1')),
                chainId,
                address(this)
            )
        );
    }

    function _mint(address to, uint value) internal {
        totalSupply = totalSupply.add(value);
        balanceOf[to] = balanceOf[to].add(value);
        emit Transfer(address(0), to, value);
    }

    function _burn(address from, uint value) internal {
        balanceOf[from] = balanceOf[from].sub(value);
        totalSupply = totalSupply.sub(value);
        emit Transfer(from, address(0), value);
    }

    function _approve(address owner, address spender, uint value) private {
        allowance[owner][spender] = value;
        emit Approval(owner, spender, value);
    }

    function _transfer(address from, address to, uint value) private {
        balanceOf[from] = balanceOf[from].sub(value);
        balanceOf[to] = balanceOf[to].add(value);
        emit Transfer(from, to, value);
    }

    function approve(address spender, uint value) external returns (bool) {
        _approve(msg.sender, spender, value);
        return true;
    }

    function transfer(address to, uint value) external returns (bool) {
        _transfer(msg.sender, to, value);
        return true;
    }

    function transferFrom(address from, address to, uint value) external returns (bool) {
        if (allowance[from][msg.sender] != uint(-1)) {
            allowance[from][msg.sender] = allowance[from][msg.sender].sub(value);
        }
        _transfer(from, to, value);
        return true;
    }

    function permit(address owner, address spender, uint value, uint deadline, uint8 v, bytes32 r, bytes32 s) external {
        require(deadline >= block.timestamp, 'UniswapV2: EXPIRED');
        bytes32 digest = keccak256(
            abi.encodePacked(
                '\x19\x01',
                DOMAIN_SEPARATOR,
                keccak256(abi.encode(PERMIT_TYPEHASH, owner, spender, value, nonces[owner]++, deadline))
            )
        );
        address recoveredAddress = ecrecover(digest, v, r, s);
        require(recoveredAddress != address(0) && recoveredAddress == owner, 'UniswapV2: INVALID_SIGNATURE');
        _approve(owner, spender, value);
    }
}

File 3 of 8 : Math.sol
// SPDX-License-Identifier: MIT

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 4 of 8 : UQ112x112.sol
// SPDX-License-Identifier: MIT

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 5 of 8 : IERC20.sol
// SPDX-License-Identifier: MIT

pragma solidity >=0.5.0;

interface IERC20Uniswap {
    event Approval(address indexed owner, address indexed spender, uint value);
    event Transfer(address indexed from, address indexed to, uint value);

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

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

File 6 of 8 : IUniswapV2Factory.sol
// SPDX-License-Identifier: MIT

pragma solidity >=0.5.0;

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

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

    function totalFeeTopCoin() external view returns (uint);
    function alphaTopCoin() external view returns (uint);
    function betaTopCoin() external view returns (uint);
    function totalFeeRegular() external view returns (uint);
    function alphaRegular() external view returns (uint);
    function betaRegular() external view returns (uint);

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

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

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

File 7 of 8 : IUniswapV2Callee.sol
// SPDX-License-Identifier: MIT

pragma solidity >=0.5.0;

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

File 8 of 8 : SafeMath.sol
// SPDX-License-Identifier: MIT

pragma solidity =0.6.12;

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

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

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

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

Settings
{
  "optimizer": {
    "enabled": true,
    "runs": 5000
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "abi"
      ]
    }
  },
  "metadata": {
    "useLiteralContent": true
  },
  "libraries": {}
}

Contract Security Audit

Contract ABI

[{"inputs":[],"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":"totalFee","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"alpha","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"beta","type":"uint256"}],"name":"FeeUpdated","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":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"},{"inputs":[],"name":"DOMAIN_SEPARATOR","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"MINIMUM_LIQUIDITY","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"PERMIT_TYPEHASH","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"},{"internalType":"address","name":"","type":"address"}],"name":"allowance","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"alpha","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"value","type":"uint256"}],"name":"approve","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"beta","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"to","type":"address"}],"name":"burn","outputs":[{"internalType":"uint256","name":"amount0","type":"uint256"},{"internalType":"uint256","name":"amount1","type":"uint256"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"decimals","outputs":[{"internalType":"uint8","name":"","type":"uint8"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"factory","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getReserves","outputs":[{"internalType":"uint112","name":"_reserve0","type":"uint112"},{"internalType":"uint112","name":"_reserve1","type":"uint112"},{"internalType":"uint32","name":"_blockTimestampLast","type":"uint32"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_token0","type":"address"},{"internalType":"address","name":"_token1","type":"address"},{"internalType":"uint256","name":"_totalFee","type":"uint256"},{"internalType":"uint256","name":"_alpha","type":"uint256"},{"internalType":"uint256","name":"_beta","type":"uint256"}],"name":"initialize","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"kLast","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"to","type":"address"}],"name":"mint","outputs":[{"internalType":"uint256","name":"liquidity","type":"uint256"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"nonces","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"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":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"price0CumulativeLast","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"price1CumulativeLast","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"to","type":"address"}],"name":"skim","outputs":[],"stateMutability":"nonpayable","type":"function"},{"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":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"sync","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"token0","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"token1","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalFee","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"value","type":"uint256"}],"name":"transfer","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"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"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_totalFee","type":"uint256"},{"internalType":"uint256","name":"_alpha","type":"uint256"},{"internalType":"uint256","name":"_beta","type":"uint256"}],"name":"updateFee","outputs":[],"stateMutability":"nonpayable","type":"function"}]

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Block Transaction Difficulty Gas Used Reward
Block Uncle Number Difficulty Gas Used Reward
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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.