Contract 0xe1628A0e5250Fa17271Cef1ED4d892cb32D5ADd4 1

pragma solidity =0.5.16;

import './interfaces/IMeerkatPair.sol';
import './MeerkatERC20.sol';
import './libraries/Math.sol';
import './libraries/UQ112x112.sol';
import './interfaces/IERC20.sol';
import './interfaces/IMeerkatFactory.sol';
import './interfaces/IMeerkatCallee.sol';

contract MeerkatPair is IMeerkatPair, MeerkatERC20 {
    using SafeMath  for uint;
    using UQ112x112 for uint224;

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

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

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

    uint public price0CumulativeLast;
    uint public price1CumulativeLast;
    uint public kLast; // reserve0 * reserve1, as of immediately after the most recent liquidity event
    uint32 public swapFee = 17; // uses 0.17% default

    uint private unlocked = 1;
    modifier lock() {
        require(unlocked == 1, 'Meerkat: 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))), 'Meerkat: TRANSFER_FAILED');
    }

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

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

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

    function setSwapFee(uint32 _swapFee) external {
        require(_swapFee > 0, "MeerkatPair: lower then 0");
        require(msg.sender == factory, 'MeerkatPair: FORBIDDEN');
        require(_swapFee <= 1000, 'MeerkatPair: FORBIDDEN_FEE');
        swapFee = _swapFee;
    }

    // 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), 'Meerkat: 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 _mintFee(uint112 _reserve0, uint112 _reserve1) private returns (bool feeOn) {
        address feeTo = IMeerkatFactory(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(2);
                    uint denominator = rootK.mul(3).add(rootKLast.mul(2));
                    uint liquidity = numerator / denominator;
                    if (liquidity > 0) _mint(feeTo, liquidity);
                }
            }
        } else if (_kLast != 0) {
            kLast = 0;
        }
    }

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

        bool feeOn = _mintFee(_reserve0, _reserve1);
        uint _totalSupply = totalSupply; // gas savings, must be defined here since totalSupply can update in _mintFee
        if (_totalSupply == 0) {
            liquidity = Math.sqrt(amount0.mul(amount1)).sub(MINIMUM_LIQUIDITY);
           _mint(address(0), MINIMUM_LIQUIDITY); // permanently lock the first MINIMUM_LIQUIDITY tokens
        } else {
            liquidity = Math.min(amount0.mul(_totalSupply) / _reserve0, amount1.mul(_totalSupply) / _reserve1);
        }
        require(liquidity > 0, 'Meerkat: 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, 'Meerkat: 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, 'Meerkat: INSUFFICIENT_OUTPUT_AMOUNT');
        (uint112 _reserve0, uint112 _reserve1,) = getReserves(); // gas savings
        require(amount0Out < _reserve0 && amount1Out < _reserve1, 'Meerkat: 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, 'Meerkat: 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) IMeerkatCallee(to).MeerkatCall(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, 'Meerkat: INSUFFICIENT_INPUT_AMOUNT');
        { // scope for reserve{0,1}Adjusted, avoids stack too deep errors
        uint _swapFee = swapFee;
        uint balance0Adjusted = (balance0.mul(10000).sub(amount0In.mul(_swapFee)));
        uint balance1Adjusted = (balance1.mul(10000).sub(amount1In.mul(_swapFee)));
        require(balance0Adjusted.mul(balance1Adjusted) >= uint(_reserve0).mul(_reserve1).mul(10000**2), 'Meerkat: 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);
    }
}

pragma solidity >=0.5.0;

interface IMeerkatPair {
    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 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 swapFee() external view returns (uint32);

    function mint(address to) external returns (uint liquidity);
    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;
    function setSwapFee(uint32) external;
}

pragma solidity =0.5.16;

import './interfaces/IMeerkatERC20.sol';
import './libraries/SafeMath.sol';

contract MeerkatERC20 is IMeerkatERC20 {
    using SafeMath for uint;

    string public constant name = 'Meerkat LPs';
    string public constant symbol = 'MEERKAT-LP';
    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, 'Meerkat: 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, 'Meerkat: INVALID_SIGNATURE');
        _approve(owner, spender, value);
    }
}

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;
        }
    }
}

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);
    }
}

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);
}

pragma solidity >=0.5.0;

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

    function feeTo() external view returns (address);
    function feeToSetter() external view returns (address);
    function INIT_CODE_HASH() external pure returns (bytes32);

    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 setSwapFee(address pair, uint32 swapFee) external;
}

pragma solidity >=0.5.0;

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

pragma solidity >=0.5.0;

interface IMeerkatERC20 {
    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;
}

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');
    }
}

{
  "optimizer": {
    "enabled": true,
    "runs": 200
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "libraries": {}
}

• No Contract Security Audit Submitted- Submit Audit Here

[{"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":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"},{"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":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":"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":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":"_swapFee","type":"uint32"}],"name":"setSwapFee","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":"swapFee","outputs":[{"internalType":"uint32","name":"","type":"uint32"}],"payable":false,"stateMutability":"view","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"}]

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