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Contract 0xE9C7650b97712C0Ec958FF270FBF4189fB99C071 1

 
 
Txn Hash Method
Block
From
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Value [Txn Fee]
0x74fedce8595d9ecad642d27990a6fa93000c7948bf978bb0c2eefde0b083ecf1Swap Exact Token...119827452021-10-22 3:44:1631 mins ago0xbb83e42eb7a7220ab99b87a6982adf4ace89827e IN  0xe9c7650b97712c0ec958ff270fbf4189fb99c0710 BNB0.0015285006
0xf8f802457fb8fca37ad1db7ede61d684b015bc476b3cae8d8cc3f65acbfd57d0Swap ETH For Exa...119827412021-10-22 3:44:0431 mins ago0x6283392024feae8fd2d1307e27f3b0bbb3f0bf87 IN  0xe9c7650b97712c0ec958ff270fbf4189fb99c0710.500301515940056 BNB0.0014752923
0x781ef7b765280fe53601833cf8915bd5135989db708683eb03a8c0d2089f8d4eRemove Liquidity119827392021-10-22 3:43:5832 mins ago0x1173db6e86bc8a9d91f4c10be5b6e57b8c8477df IN  0xe9c7650b97712c0ec958ff270fbf4189fb99c0710 BNB0.0009670722
0x2e26cdaaceac7e42cc2ea41240362e257562cf1db35a9d1d4ee8970993d2a488Swap Exact Token...119827362021-10-22 3:43:4932 mins ago0x6283392024feae8fd2d1307e27f3b0bbb3f0bf87 IN  0xe9c7650b97712c0ec958ff270fbf4189fb99c0710 BNB0.0015285006
0xaf8bf970ee77abca1eab85ec2f1a677bf4cab9797bd63115f829828b15f69d83Swap Exact Token...119827302021-10-22 3:43:3132 mins ago0x8955f3747b3738c4a01029c2f79d15dd86b975dc IN  0xe9c7650b97712c0ec958ff270fbf4189fb99c0710 BNB0.00277306
0x3bf2c111a9a9d06a0637a5f0d34789a7d3dfb51f9ff97b760dab38d5fb0db480Swap Exact Token...119827302021-10-22 3:43:3132 mins ago0xeac4899b7ab841ad7d68550b43d877aab93f143b IN  0xe9c7650b97712c0ec958ff270fbf4189fb99c0710 BNB0.001665475
0x7b05a6dc9d9d1406ff4ee50eac266acc7e78346f92918c4fdb46931c8fc55a6fSwap ETH For Exa...119827302021-10-22 3:43:3132 mins ago0x6283392024feae8fd2d1307e27f3b0bbb3f0bf87 IN  0xe9c7650b97712c0ec958ff270fbf4189fb99c0710.500300756137506 BNB0.0014752923
0xe243b96586634b82fda7eaa031fb2fab8445cfc3a36f7de24d84912c5a156064Swap Exact Token...119827262021-10-22 3:43:1932 mins ago0x616537c16759791f73f8825e20ef56ec6df09d75 IN  0xe9c7650b97712c0ec958ff270fbf4189fb99c0710 BNB0.00015051
0x6910db121f7016de218fe9a7cd63d9885054237ca9ad5f0f3c076a8425af499eSwap Exact Token...119827242021-10-22 3:43:1332 mins ago0x6283392024feae8fd2d1307e27f3b0bbb3f0bf87 IN  0xe9c7650b97712c0ec958ff270fbf4189fb99c0710 BNB0.0016050006
0xeaac89c46f9db1782b7789e3254d02ce8a3cfa12e3409e1dd55b29b60f036f82Swap Exact ETH F...119827142021-10-22 3:42:4333 mins ago0x6283392024feae8fd2d1307e27f3b0bbb3f0bf87 IN  0xe9c7650b97712c0ec958ff270fbf4189fb99c0710.5 BNB0.0016968261
0x7b0b89cbac6df7430d4408d0efe46b18c05f4c5b0c2e62619667f4ef894c7450Swap Exact Token...119827132021-10-22 3:42:4033 mins ago0xb8b911d1b0d0cdad7a80cb6804cf13b47adf6926 IN  0xe9c7650b97712c0ec958ff270fbf4189fb99c0710 BNB0.00205752
0xc0acb5263f3d47dc7f7b5d194fec251ea046bf2508f9f0068e797f34d4d48fc9Swap Exact Token...119827132021-10-22 3:42:4033 mins ago0x49f0141b78ccf47d73950ddbcd10b27eabed79f2 IN  0xe9c7650b97712c0ec958ff270fbf4189fb99c0710 BNB0.00314319
0x46d2b922a33f8b860a1419590140b7269d2daee4b1d4e019d753c83a24405a41Swap Exact Token...119827112021-10-22 3:42:3433 mins ago0x19b003465b3b310463f8b925663f746a67c0db95 IN  0xe9c7650b97712c0ec958ff270fbf4189fb99c0710 BNB0.0032524485
0x419322574945733976e33b59c2463fea125c2aeec2f2aa1e88909482a684339eSwap Exact ETH F...119827072021-10-22 3:42:2233 mins ago0xbb83e42eb7a7220ab99b87a6982adf4ace89827e IN  0xe9c7650b97712c0ec958ff270fbf4189fb99c0713 BNB0.0014349309
0x9edd3392d9581ef91afdfb8bcb557f60e658a9198b2d424a0908dca780944449Swap Exact Token...119827062021-10-22 3:42:1933 mins ago0x616537c16759791f73f8825e20ef56ec6df09d75 IN  0xe9c7650b97712c0ec958ff270fbf4189fb99c0710 BNB0.00149847
0x914cda6dbefcd80db5e970aff9604fcc844fd3221dbb2b66464d6f5d48898a76Swap Exact ETH F...119827022021-10-22 3:42:0733 mins ago0xeac4899b7ab841ad7d68550b43d877aab93f143b IN  0xe9c7650b97712c0ec958ff270fbf4189fb99c0715 BNB0.001784315
0x0b56c0e3f4215c76fd0da71fc4cc976a19266cfde0a7f567448f1117602e061aSwap Exact ETH F...119826952021-10-22 3:41:4634 mins ago0x616537c16759791f73f8825e20ef56ec6df09d75 IN  0xe9c7650b97712c0ec958ff270fbf4189fb99c0711 BNB0.001406795
0x4b314e92486c0a9dd6b79141016b6c713a0a67174ca04dca541a25cd68eaf85cSwap Exact Token...119826902021-10-22 3:41:3134 mins ago0xb08a72b4f8d1cf5e0d78cf8af9b9d76cd309b46d IN  0xe9c7650b97712c0ec958ff270fbf4189fb99c0710 BNB0.00168515
0x0b0d482fd82940ffd54ec42ad50cb716a3784aedfc060818696feaf12e7759c1Swap Exact Token...119826852021-10-22 3:41:1634 mins ago0x616537c16759791f73f8825e20ef56ec6df09d75 IN  0xe9c7650b97712c0ec958ff270fbf4189fb99c0710 BNB0.00149847
0xf192df6ffbc55f57a75490c88d1faeacdfc87306d2f2e04305cbd01be12ea7bbSwap Exact ETH F...119826822021-10-22 3:41:0734 mins ago0x998abb90a48a426f8030bcdc07364ec733d7ed6c IN  0xe9c7650b97712c0ec958ff270fbf4189fb99c0710.728 BNB0.0016052913
0xffefaf2ea65063905ceeb8023ac9a8368dff742b1fe8e9fb25ddbdcf91cef356Remove Liquidity119826802021-10-22 3:41:0134 mins ago0xc4ea1bcaff46d82897060de9f82f748808756cf3 IN  0xe9c7650b97712c0ec958ff270fbf4189fb99c0710 BNB0.00102499
0x2d8067bb9fa06610852450746b764d0c0b5695efc8b0db038ed4d55073a0958bSwap Exact ETH F...119826742021-10-22 3:40:4335 mins ago0x616537c16759791f73f8825e20ef56ec6df09d75 IN  0xe9c7650b97712c0ec958ff270fbf4189fb99c0711 BNB0.001406795
0x10f08b344a4d52846f7556562b07ddb61ea6374b7880317cb5238770cbc4ad7aSwap Exact Token...119826722021-10-22 3:40:3735 mins ago0x600ca07f991bc03d857d5978484bf258de678f75 IN  0xe9c7650b97712c0ec958ff270fbf4189fb99c0710 BNB0.001694704
0x0a76daa29a1749efd80288d07902ba8e9d1254cfc8273371e2c924a604741eb9Swap Exact Token...119826652021-10-22 3:40:1635 mins ago0xeac4899b7ab841ad7d68550b43d877aab93f143b IN  0xe9c7650b97712c0ec958ff270fbf4189fb99c0710 BNB0.00149853
0xa5e726aadc21d369895ddc5c9fcb7bc611c8901faf6063508e8fe05ac12eb002Swap Exact Token...119826642021-10-22 3:40:1335 mins ago0x616537c16759791f73f8825e20ef56ec6df09d75 IN  0xe9c7650b97712c0ec958ff270fbf4189fb99c0710 BNB0.00149847
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0x202209e0bfd94517f1e1dc9e4dff058351b3e70663b44bdd1ed9bfd0b954bde4119824632021-10-22 3:30:0845 mins ago 0xe9c7650b97712c0ec958ff270fbf4189fb99c071 Binance: WBNB Token6.1 BNB
0xf7c8ad20056420d4c1809129ef87bd7b6601953b40e4571516e4912a5bfa87ce119824552021-10-22 3:29:4346 mins ago 0xe9c7650b97712c0ec958ff270fbf4189fb99c0710xcdddcf576e2018ea8d22461137a8f1bf9ab4f8c10.10981023064304431 BNB
0xf7c8ad20056420d4c1809129ef87bd7b6601953b40e4571516e4912a5bfa87ce119824552021-10-22 3:29:4346 mins ago Binance: WBNB Token 0xe9c7650b97712c0ec958ff270fbf4189fb99c0710.10981023064304431 BNB
0x86abbc3af3ce06e2e337aa3d57bc25be0b7300f39659cc28a3940fe3b007fbcc119824482021-10-22 3:29:2246 mins ago 0xe9c7650b97712c0ec958ff270fbf4189fb99c0710xeac4899b7ab841ad7d68550b43d877aab93f143b6.061829638072819207 BNB
0x86abbc3af3ce06e2e337aa3d57bc25be0b7300f39659cc28a3940fe3b007fbcc119824482021-10-22 3:29:2246 mins ago Binance: WBNB Token 0xe9c7650b97712c0ec958ff270fbf4189fb99c0716.061829638072819207 BNB
0x4ee55f6268414fe7a7d39717cd7e12bd0e561feb3f9e57bd9f73161f272de356119824372021-10-22 3:28:4847 mins ago 0xe9c7650b97712c0ec958ff270fbf4189fb99c071 Binance: WBNB Token6.1 BNB
0xcf0d344ae6a02cd1590ee5f3d76dc162fe0cd7154db49e5f1acb5f8e9747bff2119824282021-10-22 3:28:2147 mins ago 0xe9c7650b97712c0ec958ff270fbf4189fb99c0710x0c21b0431507f67db2d1eeb609b143b51cd733220.003722400429308466 BNB
0xcf0d344ae6a02cd1590ee5f3d76dc162fe0cd7154db49e5f1acb5f8e9747bff2119824282021-10-22 3:28:2147 mins ago 0xe9c7650b97712c0ec958ff270fbf4189fb99c071 Binance: WBNB Token0.744480085861693206 BNB
0x20e89a1645959cf4e3e2b372511d43fff65a1552505f01ad890b5aa7453f4ce8119824212021-10-22 3:28:0047 mins ago 0xe9c7650b97712c0ec958ff270fbf4189fb99c0710xeac4899b7ab841ad7d68550b43d877aab93f143b6.156536322572470817 BNB
0x20e89a1645959cf4e3e2b372511d43fff65a1552505f01ad890b5aa7453f4ce8119824212021-10-22 3:28:0047 mins ago Binance: WBNB Token 0xe9c7650b97712c0ec958ff270fbf4189fb99c0716.156536322572470817 BNB
0x39fa1fd6893d16bbc4b2292ccf2ce6a04c578f0daa8ba39993e8b1a335077731119824202021-10-22 3:27:5748 mins ago 0xe9c7650b97712c0ec958ff270fbf4189fb99c071 Binance: WBNB Token0.78 BNB
0xd3be147941e8f09cb4ab395e0191a46363669b1c59f6a02a67fc93eea12eba87119824172021-10-22 3:27:4848 mins ago 0xe9c7650b97712c0ec958ff270fbf4189fb99c0710x616537c16759791f73f8825e20ef56ec6df09d751.034513986793495792 BNB
0xd3be147941e8f09cb4ab395e0191a46363669b1c59f6a02a67fc93eea12eba87119824172021-10-22 3:27:4848 mins ago Binance: WBNB Token 0xe9c7650b97712c0ec958ff270fbf4189fb99c0711.034513986793495792 BNB
0x03a07a8f2802313f5fce247145a17f3001d631fa387d058ee21d93eb932ab828119824172021-10-22 3:27:4848 mins ago 0xe9c7650b97712c0ec958ff270fbf4189fb99c0710xf1a1512fe6c8181632edcc590d3695164d069f7c0.091069031770370053 BNB
0x03a07a8f2802313f5fce247145a17f3001d631fa387d058ee21d93eb932ab828119824172021-10-22 3:27:4848 mins ago Binance: WBNB Token 0xe9c7650b97712c0ec958ff270fbf4189fb99c0710.091069031770370053 BNB
0xe5b28ac1c91c683bcf747864586cc8f7a6eba87a7651d00cab46298efb4574ed119824132021-10-22 3:27:3648 mins ago 0xe9c7650b97712c0ec958ff270fbf4189fb99c0710xf1a1512fe6c8181632edcc590d3695164d069f7c0.071279002080342451 BNB
0xe5b28ac1c91c683bcf747864586cc8f7a6eba87a7651d00cab46298efb4574ed119824132021-10-22 3:27:3648 mins ago Binance: WBNB Token 0xe9c7650b97712c0ec958ff270fbf4189fb99c0710.071279002080342451 BNB
0xbb12bdaaa0f213d5d8412fb6f70cfd1627ccfc26c6b1d9b67b8f4dca1fb90325119824102021-10-22 3:27:2748 mins ago 0xe9c7650b97712c0ec958ff270fbf4189fb99c071 Binance: WBNB Token6.2 BNB
0xb8199293f7dd7b39c95d6eb3f6a15ca058d098b387a173fc2d444d94d2e5c4b5119824082021-10-22 3:27:2148 mins ago 0xe9c7650b97712c0ec958ff270fbf4189fb99c0710x998abb90a48a426f8030bcdc07364ec733d7ed6c0.789728690509550765 BNB
0xb8199293f7dd7b39c95d6eb3f6a15ca058d098b387a173fc2d444d94d2e5c4b5119824082021-10-22 3:27:2148 mins ago Binance: WBNB Token 0xe9c7650b97712c0ec958ff270fbf4189fb99c0710.789728690509550765 BNB
0xa54955c96eddaaedd79e2b4076c03a1339660806bc7673913d35bcf520f3c913119824072021-10-22 3:27:1848 mins ago 0xe9c7650b97712c0ec958ff270fbf4189fb99c071 Binance: WBNB Token0.4 BNB
0x2cb61b58913e232e45ec946220fec3250325e9db3bfee39dd7bbb87045f26743119824072021-10-22 3:27:1848 mins ago 0xe9c7650b97712c0ec958ff270fbf4189fb99c071 Binance: WBNB Token1 BNB
0x85354483d79c57e75d022624b7de55c3f114a1ffb1cb3b67b311b5cc1dca80ef119823962021-10-22 3:26:4449 mins ago 0xe9c7650b97712c0ec958ff270fbf4189fb99c0710x616537c16759791f73f8825e20ef56ec6df09d751.028092102106009773 BNB
0x85354483d79c57e75d022624b7de55c3f114a1ffb1cb3b67b311b5cc1dca80ef119823962021-10-22 3:26:4449 mins ago Binance: WBNB Token 0xe9c7650b97712c0ec958ff270fbf4189fb99c0711.028092102106009773 BNB
0x733dc37fe667a3b19d9dbdc79f9f0f02b8b5c32db4c6ca84d882a064fd44e8cc119823952021-10-22 3:26:4149 mins ago 0xe9c7650b97712c0ec958ff270fbf4189fb99c0710x0c21b0431507f67db2d1eeb609b143b51cd733221.482625571721280001 BNB
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Contract Source Code Verified (Exact Match)

Contract Name:
SwapRouter

Compiler Version
v0.6.12+commit.27d51765

Optimization Enabled:
Yes with 200 runs

Other Settings:
default evmVersion

Contract Source Code (Solidity Standard Json-Input format)

File 1 of 13 : SwapRouter.sol
// SPDX-License-Identifier: MIT

pragma solidity =0.6.12;
pragma experimental ABIEncoderV2;

import "@openzeppelin/contracts/math/SafeMath.sol";
import '@openzeppelin/contracts/access/Ownable.sol';
import "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import '../libraries/SwapLibrary.sol';
import '../libraries/TransferHelper.sol';
import '../interfaces/ISwapRouter02.sol';
import '../interfaces/ISwapFactory.sol';
import '../interfaces/IWOKT.sol';
import "../libraries/TransferHelper.sol";
import "../interfaces/ISwapAdapter.sol";

interface ITradingPool {
    function swap(
        address account,
        address input,
        address output,
        uint256 amount
    ) external returns (bool);
}

contract SwapRouter is ISwapRouter02, Ownable {
    using SafeMath for uint256;

    struct PoolInfo {
        uint256 direction;
        uint256 poolEdition;
        uint256 weight;
        address pool;
        address adapter;
        bytes moreInfo;
    }

    event ExSwap(
        address fromToken,
        address toToken,
        address sender,
        uint256 fromAmount,
        uint256 returnAmount
    );

    address public immutable override factory;
    address public immutable override WOKT;
    address public override tradingPool;
    mapping (address => bool) public isWhiteListed;

    modifier ensure(uint256 deadline) {
        require(deadline >= block.timestamp, 'SwapRouter: EXPIRED');
        _;
    }

    constructor(address _factory, address _WOKT) public {
        factory = _factory;
        WOKT = _WOKT;
    }

    receive() external payable {
        assert(msg.sender == WOKT); // only accept OKT via fallback from the WOKT contract
    }

    function addWhiteList (address contractAddr) public onlyOwner {
        isWhiteListed[contractAddr] = true;
    }

    function removeWhiteList (address contractAddr) public onlyOwner {
        isWhiteListed[contractAddr] = false;
    }

    function setTradingPool(address _tradingPool) public onlyOwner {
        tradingPool = _tradingPool;
    }

    // **** ADD LIQUIDITY ****
    function _addLiquidity(
        address tokenA,
        address tokenB,
        uint256 amountADesired,
        uint256 amountBDesired,
        uint256 amountAMin,
        uint256 amountBMin
    ) internal virtual returns (uint256 amountA, uint256 amountB) {
        // create the pair if it doesn't exist yet
        if (ISwapFactory(factory).getPair(tokenA, tokenB) == address(0)) {
            ISwapFactory(factory).createPair(tokenA, tokenB);
        }
        (uint256 reserveA, uint256 reserveB) = SwapLibrary.getReserves(factory, tokenA, tokenB);
        if (reserveA == 0 && reserveB == 0) {
            (amountA, amountB) = (amountADesired, amountBDesired);
        } else {
            uint256 amountBOptimal = SwapLibrary.quote(amountADesired, reserveA, reserveB);
            if (amountBOptimal <= amountBDesired) {
                require(amountBOptimal >= amountBMin, 'SwapRouter: INSUFFICIENT_B_AMOUNT');
                (amountA, amountB) = (amountADesired, amountBOptimal);
            } else {
                uint256 amountAOptimal = SwapLibrary.quote(amountBDesired, reserveB, reserveA);
                assert(amountAOptimal <= amountADesired);
                require(amountAOptimal >= amountAMin, 'SwapRouter: INSUFFICIENT_A_AMOUNT');
                (amountA, amountB) = (amountAOptimal, amountBDesired);
            }
        }
    }
    
    function pairFor(address tokenA, address tokenB) public view returns(address) {
        return SwapLibrary.pairFor(factory, tokenA, tokenB);
    }

    function addLiquidity(
        address tokenA,
        address tokenB,
        uint256 amountADesired,
        uint256 amountBDesired,
        uint256 amountAMin,
        uint256 amountBMin,
        address to,
        uint256 deadline
    )
        external
        virtual
        override
        ensure(deadline)
        returns (
            uint256 amountA,
            uint256 amountB,
            uint256 liquidity
        )
    {
        (amountA, amountB) = _addLiquidity(tokenA, tokenB, amountADesired, amountBDesired, amountAMin, amountBMin);
        address pair = SwapLibrary.pairFor(factory, tokenA, tokenB);
        TransferHelper.safeTransferFrom(tokenA, msg.sender, pair, amountA);
        TransferHelper.safeTransferFrom(tokenB, msg.sender, pair, amountB);
        liquidity = ISwapPair(pair).mint(to);
    }

    function addLiquidityETH(
        address token,
        uint256 amountTokenDesired,
        uint256 amountTokenMin,
        uint256 amountETHMin,
        address to,
        uint256 deadline
    )
        external
        payable
        virtual
        override
        ensure(deadline)
        returns (
            uint256 amountToken,
            uint256 amountETH,
            uint256 liquidity
        )
    {
        (amountToken, amountETH) = _addLiquidity(
            token,
            WOKT,
            amountTokenDesired,
            msg.value,
            amountTokenMin,
            amountETHMin
        );
        address pair = SwapLibrary.pairFor(factory, token, WOKT);
        TransferHelper.safeTransferFrom(token, msg.sender, pair, amountToken);
        IWOKT(WOKT).deposit{value: amountETH}();
        assert(IWOKT(WOKT).transfer(pair, amountETH));
        liquidity = ISwapPair(pair).mint(to);
        // refund dust eth, if any
        if (msg.value > amountETH) TransferHelper.safeTransferETH(msg.sender, msg.value - amountETH);
    }

    // **** REMOVE LIQUIDITY ****
    function removeLiquidity(
        address tokenA,
        address tokenB,
        uint256 liquidity,
        uint256 amountAMin,
        uint256 amountBMin,
        address to,
        uint256 deadline
    ) public virtual override ensure(deadline) returns (uint256 amountA, uint256 amountB) {
        address pair = SwapLibrary.pairFor(factory, tokenA, tokenB);
        ISwapPair(pair).transferFrom(msg.sender, pair, liquidity); // send liquidity to pair
        (uint256 amount0, uint256 amount1) = ISwapPair(pair).burn(to);
        (address token0, ) = SwapLibrary.sortTokens(tokenA, tokenB);
        (amountA, amountB) = tokenA == token0 ? (amount0, amount1) : (amount1, amount0);
        require(amountA >= amountAMin, 'SwapRouter: INSUFFICIENT_A_AMOUNT');
        require(amountB >= amountBMin, 'SwapRouter: INSUFFICIENT_B_AMOUNT');
    }

    function removeLiquidityETH(
        address token,
        uint256 liquidity,
        uint256 amountTokenMin,
        uint256 amountETHMin,
        address to,
        uint256 deadline
    ) public virtual override ensure(deadline) returns (uint256 amountToken, uint256 amountETH) {
        (amountToken, amountETH) = removeLiquidity(
            token,
            WOKT,
            liquidity,
            amountTokenMin,
            amountETHMin,
            address(this),
            deadline
        );
        TransferHelper.safeTransfer(token, to, amountToken);
        IWOKT(WOKT).withdraw(amountETH);
        TransferHelper.safeTransferETH(to, amountETH);
    }

    function removeLiquidityWithPermit(
        address tokenA,
        address tokenB,
        uint256 liquidity,
        uint256 amountAMin,
        uint256 amountBMin,
        address to,
        uint256 deadline,
        bool approveMax,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) external virtual override returns (uint256 amountA, uint256 amountB) {
        address pair = SwapLibrary.pairFor(factory, tokenA, tokenB);
        uint256 value = approveMax ? uint256(-1) : liquidity;
        ISwapPair(pair).permit(msg.sender, address(this), value, deadline, v, r, s);
        (amountA, amountB) = removeLiquidity(tokenA, tokenB, liquidity, amountAMin, amountBMin, to, deadline);
    }

    function removeLiquidityETHWithPermit(
        address token,
        uint256 liquidity,
        uint256 amountTokenMin,
        uint256 amountETHMin,
        address to,
        uint256 deadline,
        bool approveMax,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) external virtual override returns (uint256 amountToken, uint256 amountETH) {
        address pair = SwapLibrary.pairFor(factory, token, WOKT);
        uint256 value = approveMax ? uint256(-1) : liquidity;
        ISwapPair(pair).permit(msg.sender, address(this), value, deadline, v, r, s);
        (amountToken, amountETH) = removeLiquidityETH(token, liquidity, amountTokenMin, amountETHMin, to, deadline);
    }

    // **** REMOVE LIQUIDITY (supporting fee-on-transfer tokens) ****
    function removeLiquidityETHSupportingFeeOnTransferTokens(
        address token,
        uint256 liquidity,
        uint256 amountTokenMin,
        uint256 amountETHMin,
        address to,
        uint256 deadline
    ) public virtual override ensure(deadline) returns (uint256 amountETH) {
        (, amountETH) = removeLiquidity(token, WOKT, liquidity, amountTokenMin, amountETHMin, address(this), deadline);
        TransferHelper.safeTransfer(token, to, IERC20(token).balanceOf(address(this)));
        IWOKT(WOKT).withdraw(amountETH);
        TransferHelper.safeTransferETH(to, amountETH);
    }

    function removeLiquidityETHWithPermitSupportingFeeOnTransferTokens(
        address token,
        uint256 liquidity,
        uint256 amountTokenMin,
        uint256 amountETHMin,
        address to,
        uint256 deadline,
        bool approveMax,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) external virtual override returns (uint256 amountETH) {
        address pair = SwapLibrary.pairFor(factory, token, WOKT);
        uint256 value = approveMax ? uint256(-1) : liquidity;
        ISwapPair(pair).permit(msg.sender, address(this), value, deadline, v, r, s);
        amountETH = removeLiquidityETHSupportingFeeOnTransferTokens(
            token,
            liquidity,
            amountTokenMin,
            amountETHMin,
            to,
            deadline
        );
    }

    // **** SWAP ****
    // requires the initial amount to have already been sent to the first pair
    function _swap(
        uint256[] memory amounts,
        address[] memory path,
        address _to
    ) internal virtual {
        for (uint256 i; i < path.length - 1; i++) {
            (address input, address output) = (path[i], path[i + 1]);
            (address token0, ) = SwapLibrary.sortTokens(input, output);
            uint256 amountOut = amounts[i + 1];
            if (tradingPool != address(0)) {
                ITradingPool(tradingPool).swap(msg.sender, input, output, amountOut);
            }
            (uint256 amount0Out, uint256 amount1Out) =
                input == token0 ? (uint256(0), amountOut) : (amountOut, uint256(0));
            address to = i < path.length - 2 ? SwapLibrary.pairFor(factory, output, path[i + 2]) : _to;
            ISwapPair(SwapLibrary.pairFor(factory, input, output)).swap(amount0Out, amount1Out, to, new bytes(0));
        }
    }

    function swapExactTokensForTokens(
        uint256 amountIn,
        uint256 amountOutMin,
        address[] calldata path,
        address to,
        uint256 deadline
    ) external virtual override ensure(deadline) returns (uint256[] memory amounts) {
        amounts = SwapLibrary.getAmountsOut(factory, amountIn, path);
        require(amounts[amounts.length - 1] >= amountOutMin, 'SwapRouter: INSUFFICIENT_OUTPUT_AMOUNT');
        TransferHelper.safeTransferFrom(
            path[0],
            msg.sender,
            SwapLibrary.pairFor(factory, path[0], path[1]),
            amounts[0]
        );
        _swap(amounts, path, to);
    }

    function swapTokensForExactTokens(
        uint256 amountOut,
        uint256 amountInMax,
        address[] calldata path,
        address to,
        uint256 deadline
    ) external virtual override ensure(deadline) returns (uint256[] memory amounts) {
        amounts = SwapLibrary.getAmountsIn(factory, amountOut, path);
        require(amounts[0] <= amountInMax, 'SwapRouter: EXCESSIVE_INPUT_AMOUNT');
        TransferHelper.safeTransferFrom(
            path[0],
            msg.sender,
            SwapLibrary.pairFor(factory, path[0], path[1]),
            amounts[0]
        );
        _swap(amounts, path, to);
    }

    function swapExactETHForTokens(
        uint256 amountOutMin,
        address[] calldata path,
        address to,
        uint256 deadline
    ) external payable virtual override ensure(deadline) returns (uint256[] memory amounts) {
        require(path[0] == WOKT, 'SwapRouter: INVALID_PATH');
        amounts = SwapLibrary.getAmountsOut(factory, msg.value, path);
        require(amounts[amounts.length - 1] >= amountOutMin, 'SwapRouter: INSUFFICIENT_OUTPUT_AMOUNT');
        IWOKT(WOKT).deposit{value: amounts[0]}();
        assert(IWOKT(WOKT).transfer(SwapLibrary.pairFor(factory, path[0], path[1]), amounts[0]));
        _swap(amounts, path, to);
    }

    function swapTokensForExactETH(
        uint256 amountOut,
        uint256 amountInMax,
        address[] calldata path,
        address to,
        uint256 deadline
    ) external virtual override ensure(deadline) returns (uint256[] memory amounts) {
        require(path[path.length - 1] == WOKT, 'SwapRouter: INVALID_PATH');
        amounts = SwapLibrary.getAmountsIn(factory, amountOut, path);
        require(amounts[0] <= amountInMax, 'SwapRouter: EXCESSIVE_INPUT_AMOUNT');
        TransferHelper.safeTransferFrom(
            path[0],
            msg.sender,
            SwapLibrary.pairFor(factory, path[0], path[1]),
            amounts[0]
        );
        _swap(amounts, path, address(this));
        IWOKT(WOKT).withdraw(amounts[amounts.length - 1]);
        TransferHelper.safeTransferETH(to, amounts[amounts.length - 1]);
    }

    function swapExactTokensForETH(
        uint256 amountIn,
        uint256 amountOutMin,
        address[] calldata path,
        address to,
        uint256 deadline
    ) external virtual override ensure(deadline) returns (uint256[] memory amounts) {
        require(path[path.length - 1] == WOKT, 'SwapRouter: INVALID_PATH');
        amounts = SwapLibrary.getAmountsOut(factory, amountIn, path);
        require(amounts[amounts.length - 1] >= amountOutMin, 'SwapRouter: INSUFFICIENT_OUTPUT_AMOUNT');
        TransferHelper.safeTransferFrom(
            path[0],
            msg.sender,
            SwapLibrary.pairFor(factory, path[0], path[1]),
            amounts[0]
        );
        _swap(amounts, path, address(this));
        IWOKT(WOKT).withdraw(amounts[amounts.length - 1]);
        TransferHelper.safeTransferETH(to, amounts[amounts.length - 1]);
    }

    function swapETHForExactTokens(
        uint256 amountOut,
        address[] calldata path,
        address to,
        uint256 deadline
    ) external payable virtual override ensure(deadline) returns (uint256[] memory amounts) {
        require(path[0] == WOKT, 'SwapRouter: INVALID_PATH');
        amounts = SwapLibrary.getAmountsIn(factory, amountOut, path);
        require(amounts[0] <= msg.value, 'SwapRouter: EXCESSIVE_INPUT_AMOUNT');
        IWOKT(WOKT).deposit{value: amounts[0]}();
        assert(IWOKT(WOKT).transfer(SwapLibrary.pairFor(factory, path[0], path[1]), amounts[0]));
        _swap(amounts, path, to);
        // refund dust eth, if any
        if (msg.value > amounts[0]) TransferHelper.safeTransferETH(msg.sender, msg.value - amounts[0]);
    }

    // **** SWAP (supporting fee-on-transfer tokens) ****
    // requires the initial amount to have already been sent to the first pair
    function _swapSupportingFeeOnTransferTokens(address[] memory path, address _to) internal virtual {
        for (uint256 i; i < path.length - 1; i++) {
            (address input, address output) = (path[i], path[i + 1]);
            (address token0, ) = SwapLibrary.sortTokens(input, output);
            ISwapPair pair = ISwapPair(SwapLibrary.pairFor(factory, input, output));
            uint256 amountInput;
            uint256 amountOutput;
            {
                // scope to avoid stack too deep errors
                (uint256 reserve0, uint256 reserve1, ) = pair.getReserves();
                (uint256 reserveInput, uint256 reserveOutput) =
                    input == token0 ? (reserve0, reserve1) : (reserve1, reserve0);
                amountInput = IERC20(input).balanceOf(address(pair)).sub(reserveInput);
                amountOutput = SwapLibrary.getAmountOut(amountInput, reserveInput, reserveOutput);
            }
            if (tradingPool != address(0)) {
                ITradingPool(tradingPool).swap(msg.sender, input, output, amountOutput);
            }
            (uint256 amount0Out, uint256 amount1Out) =
                input == token0 ? (uint256(0), amountOutput) : (amountOutput, uint256(0));
            address to = i < path.length - 2 ? SwapLibrary.pairFor(factory, output, path[i + 2]) : _to;
            pair.swap(amount0Out, amount1Out, to, new bytes(0));
        }
    }

    function swapExactTokensForTokensSupportingFeeOnTransferTokens(
        uint256 amountIn,
        uint256 amountOutMin,
        address[] calldata path,
        address to,
        uint256 deadline
    ) external virtual override ensure(deadline) {
        TransferHelper.safeTransferFrom(path[0], msg.sender, SwapLibrary.pairFor(factory, path[0], path[1]), amountIn);
        uint256 balanceBefore = IERC20(path[path.length - 1]).balanceOf(to);
        _swapSupportingFeeOnTransferTokens(path, to);
        require(
            IERC20(path[path.length - 1]).balanceOf(to).sub(balanceBefore) >= amountOutMin,
            'SwapRouter: INSUFFICIENT_OUTPUT_AMOUNT'
        );
    }

    function swapExactETHForTokensSupportingFeeOnTransferTokens(
        uint256 amountOutMin,
        address[] calldata path,
        address to,
        uint256 deadline
    ) external payable virtual override ensure(deadline) {
        require(path[0] == WOKT, 'SwapRouter: INVALID_PATH');
        uint256 amountIn = msg.value;
        IWOKT(WOKT).deposit{value: amountIn}();
        assert(IWOKT(WOKT).transfer(SwapLibrary.pairFor(factory, path[0], path[1]), amountIn));
        uint256 balanceBefore = IERC20(path[path.length - 1]).balanceOf(to);
        _swapSupportingFeeOnTransferTokens(path, to);
        require(
            IERC20(path[path.length - 1]).balanceOf(to).sub(balanceBefore) >= amountOutMin,
            'SwapRouter: INSUFFICIENT_OUTPUT_AMOUNT'
        );
    }

    function swapExactTokensForETHSupportingFeeOnTransferTokens(
        uint256 amountIn,
        uint256 amountOutMin,
        address[] calldata path,
        address to,
        uint256 deadline
    ) external virtual override ensure(deadline) {
        require(path[path.length - 1] == WOKT, 'SwapRouter: INVALID_PATH');
        TransferHelper.safeTransferFrom(path[0], msg.sender, SwapLibrary.pairFor(factory, path[0], path[1]), amountIn);
        _swapSupportingFeeOnTransferTokens(path, address(this));
        uint256 amountOut = IERC20(WOKT).balanceOf(address(this));
        require(amountOut >= amountOutMin, 'SwapRouter: INSUFFICIENT_OUTPUT_AMOUNT');
        IWOKT(WOKT).withdraw(amountOut);
        TransferHelper.safeTransferETH(to, amountOut);
    }

    /**** mix swap  ****/

    function externalSwap(
        address fromToken,
        address toToken,
        address approveTarget,
        address swapTarget,
        uint256 fromTokenAmount,
        uint256 minReturnAmount,
        bytes memory callDataConcat,
        uint256 deadLine
    )
    external
    override
    payable
    ensure(deadLine)
    returns (uint256 returnAmount)
    {
        require(minReturnAmount > 0, "SwapRouter: RETURN_AMOUNT_ZERO");

        uint256 toTokenOriginBalance = TransferHelper.universalBalanceOf(toToken, msg.sender);
        if (!TransferHelper.isETH(fromToken)) {
            TransferHelper.safeTransferFrom(fromToken, msg.sender, address(this), fromTokenAmount);

            TransferHelper.universalApproveMax(fromToken, approveTarget, fromTokenAmount);
        }

        require(isWhiteListed[swapTarget], "SwapRouter: Not Whitelist Contract");
        (bool success, ) = swapTarget.call{value: TransferHelper.isETH(fromToken) ? msg.value : 0}(callDataConcat);

        require(success, "SwapRouter: External Swap execution Failed");

        TransferHelper.universalTransfer(
            toToken, msg.sender, TransferHelper.universalBalanceOf(toToken, address(this))
        );

        returnAmount = TransferHelper.universalBalanceOf(toToken, msg.sender).sub(toTokenOriginBalance);
        require(returnAmount >= minReturnAmount, "SwapRouter: Return amount is not enough");

        emit ExSwap(fromToken, toToken, msg.sender, fromTokenAmount, returnAmount);
    }

    function mixSwap(
        address fromToken,
        address toToken,
        uint256 fromTokenAmount,
        uint256 minReturnAmount,
        address[] memory mixAdapters,
        address[] memory mixPairs,
        address[] memory assetTo,
        uint256 directions,
        uint256 deadLine
    ) external override payable ensure(deadLine) returns (uint256 returnAmount) {
        require(mixPairs.length > 0, "SwapRouter: PAIRS_EMPTY");
        require(mixPairs.length == mixAdapters.length, "SwapRouter: PAIR_ADAPTER_NOT_MATCH");
        require(mixPairs.length == assetTo.length - 1, "SwapRouter: PAIR_ASSETTO_NOT_MATCH");
        require(minReturnAmount > 0, "SwapRouter: RETURN_AMOUNT_ZERO");

        address _fromToken = fromToken;
        address _toToken = toToken;
        uint256 _fromTokenAmount = fromTokenAmount;

        uint256 toTokenOriginBalance = TransferHelper.universalBalanceOf(_toToken, msg.sender);

        _deposit(msg.sender, assetTo[0], _fromToken, _fromTokenAmount, TransferHelper.isETH(_fromToken));

        for (uint256 i = 0; i < mixPairs.length; i++) {
            if (directions & 1 == 0) {
                ISwapAdapter(mixAdapters[i]).sellBase(assetTo[i + 1], mixPairs[i], "");
            } else {
                ISwapAdapter(mixAdapters[i]).sellQuote(assetTo[i + 1], mixPairs[i], "");
            }
            directions = directions >> 1;
        }

        if(TransferHelper.isETH(_toToken)) {
            returnAmount = IWOKT(WOKT).balanceOf(address(this));
            IWOKT(WOKT).withdraw(returnAmount);
            msg.sender.transfer(returnAmount);
        } else {
            returnAmount = TransferHelper.tokenBalanceOf(_toToken, msg.sender).sub(toTokenOriginBalance);
        }

        require(returnAmount >= minReturnAmount, "SwapRouter: Return amount is not enough");

        emit ExSwap(fromToken, toToken, msg.sender, _fromTokenAmount, returnAmount);
    }

    function polySwap(
        address fromToken,
        address toToken,
        uint256 fromTokenAmount,
        uint256 minReturnAmount,
        uint[] memory weights,
        address[] memory adapters,
        address[] memory pools,
        uint256 directions,
        uint256 deadLine
    ) external payable override ensure(deadLine) returns (uint256 returnAmount) {
        require(pools.length == adapters.length, 'SwapRouter: POOL_ADAPTER_NOT_MATCH');
        require(minReturnAmount > 0, "SwapRouter: RETURN_AMOUNT_ZERO");

        uint256 _fromTokenAmount = fromTokenAmount;
        uint256 toTokenOriginBalance = TransferHelper.universalBalanceOf(toToken, msg.sender);
        address _fromToken = fromToken;

        _deposit(msg.sender, address(this), _fromToken, _fromTokenAmount, TransferHelper.isETH(_fromToken));

        address midTo = msg.sender;
        if (TransferHelper.isETH(_fromToken)) {
            midTo = address(this);
        }

        address _toToken = toToken;
        address[] memory _adapters = adapters;
        uint[] memory _weights = weights;
        address[] memory _pools = pools;
        for(uint256 i = 0; i < _adapters.length; i++) {
            uint256 curAmount = _fromTokenAmount.mul(uint256(_weights[i])).div(100);
            IERC20(_fromToken).transfer(_pools[i], curAmount);

            if (directions & 1 == 0) {
                ISwapAdapter(_adapters[i]).sellBase(midTo, _pools[i], "");
            } else {
                ISwapAdapter(_adapters[i]).sellQuote(midTo, _pools[i], "");
            }
            directions = directions >> 1;
        }

        if(TransferHelper.isETH(_toToken)) {
            returnAmount = IWOKT(WOKT).balanceOf(address(this));
            IWOKT(WOKT).withdraw(returnAmount);
            msg.sender.transfer(returnAmount);
        }else {
            returnAmount = TransferHelper.tokenBalanceOf(_toToken, msg.sender).sub(toTokenOriginBalance);
        }

        require(returnAmount >= minReturnAmount, "SwapRouter: Return amount is not enough");

        emit ExSwap(_fromToken, _toToken, msg.sender, _fromTokenAmount, returnAmount);
    }

    function _deposit(
        address from,
        address to,
        address token,
        uint256 amount,
        bool isETH
    ) internal {
        if (isETH) {
            if (amount > 0) {
                IWOKT(WOKT).deposit{value: amount}();
                if (to != address(this)) TransferHelper.safeTransfer(WOKT, to, amount);
            }
        } else {
            TransferHelper.safeTransferFrom(token, from, to, amount);
        }
    }

    // **** LIBRARY FUNCTIONS ****
    function quote(
        uint256 amountA,
        uint256 reserveA,
        uint256 reserveB
    ) public pure virtual override returns (uint256 amountB) {
        return SwapLibrary.quote(amountA, reserveA, reserveB);
    }

    function getAmountOut(
        uint256 amountIn,
        uint256 reserveIn,
        uint256 reserveOut
    ) public pure virtual override returns (uint256 amountOut) {
        return SwapLibrary.getAmountOut(amountIn, reserveIn, reserveOut);
    }

    function getAmountIn(
        uint256 amountOut,
        uint256 reserveIn,
        uint256 reserveOut
    ) public pure virtual override returns (uint256 amountIn) {
        return SwapLibrary.getAmountIn(amountOut, reserveIn, reserveOut);
    }

    function getAmountsOut(uint256 amountIn, address[] memory path)
        public
        view
        virtual
        override
        returns (uint256[] memory amounts)
    {
        return SwapLibrary.getAmountsOut(factory, amountIn, path);
    }

    function getAmountsIn(uint256 amountOut, address[] memory path)
        public
        view
        virtual
        override
        returns (uint256[] memory amounts)
    {
        return SwapLibrary.getAmountsIn(factory, amountOut, path);
    }
}

File 2 of 13 : TransferHelper.sol
// SPDX-License-Identifier: GPL-3.0-or-later

pragma solidity >=0.6.0;

import "@openzeppelin/contracts/token/ERC20/IERC20.sol";

// helper methods for interacting with ERC20 tokens and sending ETH that do not consistently return true/false
library TransferHelper {

    address private constant ETH_ADDRESS = 0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE;

    function safeApprove(
        address token,
        address to,
        uint256 value
    ) internal {
        // bytes4(keccak256(bytes('approve(address,uint256)')));
        (bool success, bytes memory data) = token.call(abi.encodeWithSelector(0x095ea7b3, to, value));
        require(success && (data.length == 0 || abi.decode(data, (bool))), 'TransferHelper: APPROVE_FAILED');
    }

    function safeTransfer(
        address token,
        address to,
        uint256 value
    ) internal {
        // bytes4(keccak256(bytes('transfer(address,uint256)')));
        (bool success, bytes memory data) = token.call(abi.encodeWithSelector(0xa9059cbb, to, value));
        require(success && (data.length == 0 || abi.decode(data, (bool))), 'TransferHelper: TRANSFER_FAILED');
    }

    function safeTransferFrom(
        address token,
        address from,
        address to,
        uint256 value
    ) internal {
        // bytes4(keccak256(bytes('transferFrom(address,address,uint256)')));
        (bool success, bytes memory data) = token.call(abi.encodeWithSelector(0x23b872dd, from, to, value));
        require(success && (data.length == 0 || abi.decode(data, (bool))), 'TransferHelper: TRANSFER_FROM_FAILED');
    }

    function safeTransferETH(address to, uint256 value) internal {
        (bool success, ) = to.call{value: value}(new bytes(0));
        require(success, 'TransferHelper: ETH_TRANSFER_FAILED');
    }

    function universalTransfer(
        address token,
        address payable to,
        uint256 amount
    ) internal {
        if (amount > 0) {
            if (isETH(token)) {
                to.transfer(amount);
            } else {
                safeTransfer(token, to, amount);
            }
        }
    }

    function universalApproveMax(
        address token,
        address to,
        uint256 amount
    ) internal {
        uint256 allowance = IERC20(token).allowance(address(this), to);
        if (allowance < amount) {
            if (allowance > 0) {
                safeApprove(token, to, 0);
            }
            safeApprove(token, to, uint256(-1));
        }
    }

    function universalBalanceOf(address token, address who) internal view returns (uint256) {
        if (isETH(token)) {
            return who.balance;
        } else {
            return IERC20(token).balanceOf(who);
        }
    }

    function tokenBalanceOf(address token, address who) internal view returns (uint256) {
        return IERC20(token).balanceOf(who);
    }

    function isETH(address token) internal pure returns (bool) {
        return token == ETH_ADDRESS;
    }

    function getETH() internal pure returns (address) {
        return ETH_ADDRESS;
    }
}

File 3 of 13 : SwapLibrary.sol
// SPDX-License-Identifier: MIT

pragma solidity =0.6.12;

import "@openzeppelin/contracts/math/SafeMath.sol";
import "../interfaces/ISwapPair.sol";

library SwapLibrary {
    using SafeMath for uint256;

    // returns sorted token addresses, used to handle return values from pairs sorted in this order
    function sortTokens(address tokenA, address tokenB) internal pure returns (address token0, address token1) {
        require(tokenA != tokenB, "SwapLibrary: IDENTICAL_ADDRESSES");
        (token0, token1) = tokenA < tokenB ? (tokenA, tokenB) : (tokenB, tokenA);
        require(token0 != address(0), "SwapLibrary: ZERO_ADDRESS");
    }

    // calculates the CREATE2 address for a pair without making any external calls
    function pairFor(
        address factory,
        address tokenA,
        address tokenB
    ) internal pure returns (address pair) {
        (address token0, address token1) = sortTokens(tokenA, tokenB);
        pair = address(
            uint256(
                keccak256(
                    abi.encodePacked(
                        hex"ff",
                        factory,
                        keccak256(abi.encodePacked(token0, token1)),
                        hex"772d76e02b5a3aeeef00b07a18a744c893227f52ecb6e3d431da85a229ed6a1d" // init code hash
                    )
                )
            )
        );
    }

    // fetches and sorts the reserves for a pair
    function getReserves(
        address factory,
        address tokenA,
        address tokenB
    ) internal view returns (uint256 reserveA, uint256 reserveB) {
        (address token0, ) = sortTokens(tokenA, tokenB);
        (uint256 reserve0, uint256 reserve1, ) = ISwapPair(pairFor(factory, tokenA, tokenB)).getReserves();
        (reserveA, reserveB) = tokenA == token0 ? (reserve0, reserve1) : (reserve1, reserve0);
    }

    // given some amount of an asset and pair reserves, returns an equivalent amount of the other asset
    function quote(
        uint256 amountA,
        uint256 reserveA,
        uint256 reserveB
    ) internal pure returns (uint256 amountB) {
        require(amountA > 0, "SwapLibrary: INSUFFICIENT_AMOUNT");
        require(reserveA > 0 && reserveB > 0, "SwapLibrary: INSUFFICIENT_LIQUIDITY");
        amountB = amountA.mul(reserveB) / reserveA;
    }

    // given an input amount of an asset and pair reserves, returns the maximum output amount of the other asset
    function getAmountOut(
        uint256 amountIn,
        uint256 reserveIn,
        uint256 reserveOut
    ) internal pure returns (uint256 amountOut) {
        require(amountIn > 0, "SwapLibrary: INSUFFICIENT_INPUT_AMOUNT");
        require(reserveIn > 0 && reserveOut > 0, "SwapLibrary: INSUFFICIENT_LIQUIDITY");
        uint256 amountInWithFee = amountIn.mul(997);
        uint256 numerator = amountInWithFee.mul(reserveOut);
        uint256 denominator = reserveIn.mul(1000).add(amountInWithFee);
        amountOut = numerator / denominator;
    }

    // given an output amount of an asset and pair reserves, returns a required input amount of the other asset
    function getAmountIn(
        uint256 amountOut,
        uint256 reserveIn,
        uint256 reserveOut
    ) internal pure returns (uint256 amountIn) {
        require(amountOut > 0, "SwapLibrary: INSUFFICIENT_OUTPUT_AMOUNT");
        require(reserveIn > 0 && reserveOut > 0, "SwapLibrary: INSUFFICIENT_LIQUIDITY");
        uint256 numerator = reserveIn.mul(amountOut).mul(1000);
        uint256 denominator = reserveOut.sub(amountOut).mul(997);
        amountIn = (numerator / denominator).add(1);
    }

    // performs chained getAmountOut calculations on any number of pairs
    function getAmountsOut(
        address factory,
        uint256 amountIn,
        address[] memory path
    ) internal view returns (uint256[] memory amounts) {
        require(path.length >= 2, "SwapLibrary: INVALID_PATH");
        amounts = new uint256[](path.length);
        amounts[0] = amountIn;
        for (uint256 i; i < path.length - 1; i++) {
            (uint256 reserveIn, uint256 reserveOut) = getReserves(factory, path[i], path[i + 1]);
            amounts[i + 1] = getAmountOut(amounts[i], reserveIn, reserveOut);
        }
    }

    // performs chained getAmountIn calculations on any number of pairs
    function getAmountsIn(
        address factory,
        uint256 amountOut,
        address[] memory path
    ) internal view returns (uint256[] memory amounts) {
        require(path.length >= 2, "SwapLibrary: INVALID_PATH");
        amounts = new uint256[](path.length);
        amounts[amounts.length - 1] = amountOut;
        for (uint256 i = path.length - 1; i > 0; i--) {
            (uint256 reserveIn, uint256 reserveOut) = getReserves(factory, path[i - 1], path[i]);
            amounts[i - 1] = getAmountIn(amounts[i], reserveIn, reserveOut);
        }
    }
}

File 4 of 13 : IWOKT.sol
// SPDX-License-Identifier: MIT

pragma solidity >=0.5.0;

interface IWOKT {
    function totalSupply() external view returns (uint256);

    function balanceOf(address account) external view returns (uint256);

    function allowance(address owner, address spender) external view returns (uint256);

    function approve(address spender, uint256 amount) external returns (bool);

    function deposit() external payable;

    function transfer(address to, uint256 value) external returns (bool);

    function withdraw(uint256) external;
}

File 5 of 13 : ISwapRouter02.sol
// SPDX-License-Identifier: MIT

pragma solidity >=0.6.2;
pragma experimental ABIEncoderV2;

import './ISwapRouter01.sol';

interface ISwapRouter02 is ISwapRouter01 {
    function tradingPool() external pure returns (address);

    function removeLiquidityETHSupportingFeeOnTransferTokens(
        address token,
        uint256 liquidity,
        uint256 amountTokenMin,
        uint256 amountETHMin,
        address to,
        uint256 deadline
    ) external returns (uint256 amountETH);

    function removeLiquidityETHWithPermitSupportingFeeOnTransferTokens(
        address token,
        uint256 liquidity,
        uint256 amountTokenMin,
        uint256 amountETHMin,
        address to,
        uint256 deadline,
        bool approveMax,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) external returns (uint256 amountETH);

    function swapExactTokensForTokensSupportingFeeOnTransferTokens(
        uint256 amountIn,
        uint256 amountOutMin,
        address[] calldata path,
        address to,
        uint256 deadline
    ) external;

    function swapExactETHForTokensSupportingFeeOnTransferTokens(
        uint256 amountOutMin,
        address[] calldata path,
        address to,
        uint256 deadline
    ) external payable;

    function swapExactTokensForETHSupportingFeeOnTransferTokens(
        uint256 amountIn,
        uint256 amountOutMin,
        address[] calldata path,
        address to,
        uint256 deadline
    ) external;

    function externalSwap(
        address fromToken,
        address toToken,
        address approveTarget,
        address swapTarget,
        uint256 fromTokenAmount,
        uint256 minReturnAmount,
        bytes memory callDataConcat,
        uint256 deadLine
    )
    external
    payable
    returns (uint256 returnAmount);

    function mixSwap(
        address fromToken,
        address toToken,
        uint256 fromTokenAmount,
        uint256 minReturnAmount,
        address[] memory mixAdapters,
        address[] memory mixPairs,
        address[] memory assetTo,
        uint256 directions,
        uint256 deadLine
    ) external payable returns (uint256 returnAmount);

    function polySwap(
        address fromToken,
        address toToken,
        uint256 fromTokenAmount,
        uint256 minReturnAmount,
        uint[] memory weights,
        address[] memory adapters,
        address[] memory pools,
        uint256 directions,
        uint256 deadLine
    ) external payable returns (uint256 returnAmount);
}

File 6 of 13 : ISwapRouter01.sol
// SPDX-License-Identifier: MIT

pragma solidity >=0.6.2;

interface ISwapRouter01 {
    function factory() external pure returns (address);

    function WOKT() external pure returns (address);

    function addLiquidity(
        address tokenA,
        address tokenB,
        uint256 amountADesired,
        uint256 amountBDesired,
        uint256 amountAMin,
        uint256 amountBMin,
        address to,
        uint256 deadline
    )
        external
        returns (
            uint256 amountA,
            uint256 amountB,
            uint256 liquidity
        );

    function addLiquidityETH(
        address token,
        uint256 amountTokenDesired,
        uint256 amountTokenMin,
        uint256 amountETHMin,
        address to,
        uint256 deadline
    )
        external
        payable
        returns (
            uint256 amountToken,
            uint256 amountETH,
            uint256 liquidity
        );

    function removeLiquidity(
        address tokenA,
        address tokenB,
        uint256 liquidity,
        uint256 amountAMin,
        uint256 amountBMin,
        address to,
        uint256 deadline
    ) external returns (uint256 amountA, uint256 amountB);

    function removeLiquidityETH(
        address token,
        uint256 liquidity,
        uint256 amountTokenMin,
        uint256 amountETHMin,
        address to,
        uint256 deadline
    ) external returns (uint256 amountToken, uint256 amountETH);

    function removeLiquidityWithPermit(
        address tokenA,
        address tokenB,
        uint256 liquidity,
        uint256 amountAMin,
        uint256 amountBMin,
        address to,
        uint256 deadline,
        bool approveMax,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) external returns (uint256 amountA, uint256 amountB);

    function removeLiquidityETHWithPermit(
        address token,
        uint256 liquidity,
        uint256 amountTokenMin,
        uint256 amountETHMin,
        address to,
        uint256 deadline,
        bool approveMax,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) external returns (uint256 amountToken, uint256 amountETH);

    function swapExactTokensForTokens(
        uint256 amountIn,
        uint256 amountOutMin,
        address[] calldata path,
        address to,
        uint256 deadline
    ) external returns (uint256[] memory amounts);

    function swapTokensForExactTokens(
        uint256 amountOut,
        uint256 amountInMax,
        address[] calldata path,
        address to,
        uint256 deadline
    ) external returns (uint256[] memory amounts);

    function swapExactETHForTokens(
        uint256 amountOutMin,
        address[] calldata path,
        address to,
        uint256 deadline
    ) external payable returns (uint256[] memory amounts);

    function swapTokensForExactETH(
        uint256 amountOut,
        uint256 amountInMax,
        address[] calldata path,
        address to,
        uint256 deadline
    ) external returns (uint256[] memory amounts);

    function swapExactTokensForETH(
        uint256 amountIn,
        uint256 amountOutMin,
        address[] calldata path,
        address to,
        uint256 deadline
    ) external returns (uint256[] memory amounts);

    function swapETHForExactTokens(
        uint256 amountOut,
        address[] calldata path,
        address to,
        uint256 deadline
    ) external payable returns (uint256[] memory amounts);

    function quote(
        uint256 amountA,
        uint256 reserveA,
        uint256 reserveB
    ) external pure returns (uint256 amountB);

    function getAmountOut(
        uint256 amountIn,
        uint256 reserveIn,
        uint256 reserveOut
    ) external pure returns (uint256 amountOut);

    function getAmountIn(
        uint256 amountOut,
        uint256 reserveIn,
        uint256 reserveOut
    ) external pure returns (uint256 amountIn);

    function getAmountsOut(uint256 amountIn, address[] calldata path) external view returns (uint256[] memory amounts);

    function getAmountsIn(uint256 amountOut, address[] calldata path) external view returns (uint256[] memory amounts);
}

File 7 of 13 : ISwapPair.sol
// SPDX-License-Identifier: MIT

pragma solidity >=0.5.0;

interface ISwapPair {
    event Approval(address indexed owner, address indexed spender, uint256 value);
    event Transfer(address indexed from, address indexed to, uint256 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 (uint256);

    function balanceOf(address owner) external view returns (uint256);

    function allowance(address owner, address spender) external view returns (uint256);

    function approve(address spender, uint256 value) external returns (bool);

    function transfer(address to, uint256 value) external returns (bool);

    function transferFrom(
        address from,
        address to,
        uint256 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 (uint256);

    function permit(
        address owner,
        address spender,
        uint256 value,
        uint256 deadline,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) external;

    event Mint(address indexed sender, uint256 amount0, uint256 amount1);
    event Burn(address indexed sender, uint256 amount0, uint256 amount1, address indexed to);
    event Swap(
        address indexed sender,
        uint256 amount0In,
        uint256 amount1In,
        uint256 amount0Out,
        uint256 amount1Out,
        address indexed to
    );
    event Sync(uint112 reserve0, uint112 reserve1);

    function MINIMUM_LIQUIDITY() external pure returns (uint256);

    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 (uint256);

    function price1CumulativeLast() external view returns (uint256);

    function kLast() external view returns (uint256);

    function mint(address to) external returns (uint256 liquidity);

    function burn(address to) external returns (uint256 amount0, uint256 amount1);

    function swap(
        uint256 amount0Out,
        uint256 amount1Out,
        address to,
        bytes calldata data
    ) external;

    function skim(address to) external;

    function sync() external;

    function price(address token, uint256 baseDecimal) external view returns (uint256);

    function initialize(address, address) external;
}

File 8 of 13 : ISwapFactory.sol
// SPDX-License-Identifier: MIT

pragma solidity >=0.5.0;

interface ISwapFactory {
    event PairCreated(address indexed token0, address indexed token1, address pair, uint256);

    function feeTo() external view returns (address);

    function feeToSetter() external view returns (address);

    function feeToRate() external view returns (uint256);

    function getPair(address tokenA, address tokenB) external view returns (address pair);

    function allPairs(uint256) external view returns (address pair);

    function allPairsLength() external view returns (uint256);

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

    function setFeeTo(address) external;

    function setFeeToSetter(address) external;

    function setFeeToRate(uint256) external;
}

File 9 of 13 : ISwapAdapter.sol
// SPDX-License-Identifier: MIT

pragma solidity >=0.5.0;

interface ISwapAdapter {

    function sellBase(address to, address pool, bytes memory data) external;

    function sellQuote(address to, address pool, bytes memory data) external;
}

File 10 of 13 : Context.sol
// SPDX-License-Identifier: MIT

pragma solidity >=0.6.0 <0.8.0;

/*
 * @dev Provides information about the current execution context, including the
 * sender of the transaction and its data. While these are generally available
 * via msg.sender and msg.data, they should not be accessed in such a direct
 * manner, since when dealing with GSN meta-transactions the account sending and
 * paying for execution may not be the actual sender (as far as an application
 * is concerned).
 *
 * This contract is only required for intermediate, library-like contracts.
 */
abstract contract Context {
    function _msgSender() internal view virtual returns (address payable) {
        return msg.sender;
    }

    function _msgData() internal view virtual returns (bytes memory) {
        this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691
        return msg.data;
    }
}

File 11 of 13 : IERC20.sol
// SPDX-License-Identifier: MIT

pragma solidity >=0.6.0 <0.8.0;

/**
 * @dev Interface of the ERC20 standard as defined in the EIP.
 */
interface IERC20 {
    /**
     * @dev Returns the amount of tokens in existence.
     */
    function totalSupply() external view returns (uint256);

    /**
     * @dev Returns the amount of tokens owned by `account`.
     */
    function balanceOf(address account) external view returns (uint256);

    /**
     * @dev Moves `amount` tokens from the caller's account to `recipient`.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transfer(address recipient, uint256 amount) external returns (bool);

    /**
     * @dev Returns the remaining number of tokens that `spender` will be
     * allowed to spend on behalf of `owner` through {transferFrom}. This is
     * zero by default.
     *
     * This value changes when {approve} or {transferFrom} are called.
     */
    function allowance(address owner, address spender) external view returns (uint256);

    /**
     * @dev Sets `amount` as the allowance of `spender` over the caller's tokens.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * IMPORTANT: Beware that changing an allowance with this method brings the risk
     * that someone may use both the old and the new allowance by unfortunate
     * transaction ordering. One possible solution to mitigate this race
     * condition is to first reduce the spender's allowance to 0 and set the
     * desired value afterwards:
     * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
     *
     * Emits an {Approval} event.
     */
    function approve(address spender, uint256 amount) external returns (bool);

    /**
     * @dev Moves `amount` tokens from `sender` to `recipient` using the
     * allowance mechanism. `amount` is then deducted from the caller's
     * allowance.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transferFrom(address sender, address recipient, uint256 amount) external returns (bool);

    /**
     * @dev Emitted when `value` tokens are moved from one account (`from`) to
     * another (`to`).
     *
     * Note that `value` may be zero.
     */
    event Transfer(address indexed from, address indexed to, uint256 value);

    /**
     * @dev Emitted when the allowance of a `spender` for an `owner` is set by
     * a call to {approve}. `value` is the new allowance.
     */
    event Approval(address indexed owner, address indexed spender, uint256 value);
}

File 12 of 13 : SafeMath.sol
// SPDX-License-Identifier: MIT

pragma solidity >=0.6.0 <0.8.0;

/**
 * @dev Wrappers over Solidity's arithmetic operations with added overflow
 * checks.
 *
 * Arithmetic operations in Solidity wrap on overflow. This can easily result
 * in bugs, because programmers usually assume that an overflow raises an
 * error, which is the standard behavior in high level programming languages.
 * `SafeMath` restores this intuition by reverting the transaction when an
 * operation overflows.
 *
 * Using this library instead of the unchecked operations eliminates an entire
 * class of bugs, so it's recommended to use it always.
 */
library SafeMath {
    /**
     * @dev Returns the addition of two unsigned integers, with an overflow flag.
     *
     * _Available since v3.4._
     */
    function tryAdd(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        uint256 c = a + b;
        if (c < a) return (false, 0);
        return (true, c);
    }

    /**
     * @dev Returns the substraction of two unsigned integers, with an overflow flag.
     *
     * _Available since v3.4._
     */
    function trySub(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        if (b > a) return (false, 0);
        return (true, a - b);
    }

    /**
     * @dev Returns the multiplication of two unsigned integers, with an overflow flag.
     *
     * _Available since v3.4._
     */
    function tryMul(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        // Gas optimization: this is cheaper than requiring 'a' not being zero, but the
        // benefit is lost if 'b' is also tested.
        // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522
        if (a == 0) return (true, 0);
        uint256 c = a * b;
        if (c / a != b) return (false, 0);
        return (true, c);
    }

    /**
     * @dev Returns the division of two unsigned integers, with a division by zero flag.
     *
     * _Available since v3.4._
     */
    function tryDiv(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        if (b == 0) return (false, 0);
        return (true, a / b);
    }

    /**
     * @dev Returns the remainder of dividing two unsigned integers, with a division by zero flag.
     *
     * _Available since v3.4._
     */
    function tryMod(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        if (b == 0) return (false, 0);
        return (true, a % b);
    }

    /**
     * @dev Returns the addition of two unsigned integers, reverting on
     * overflow.
     *
     * Counterpart to Solidity's `+` operator.
     *
     * Requirements:
     *
     * - Addition cannot overflow.
     */
    function add(uint256 a, uint256 b) internal pure returns (uint256) {
        uint256 c = a + b;
        require(c >= a, "SafeMath: addition overflow");
        return c;
    }

    /**
     * @dev Returns the subtraction of two unsigned integers, reverting on
     * overflow (when the result is negative).
     *
     * Counterpart to Solidity's `-` operator.
     *
     * Requirements:
     *
     * - Subtraction cannot overflow.
     */
    function sub(uint256 a, uint256 b) internal pure returns (uint256) {
        require(b <= a, "SafeMath: subtraction overflow");
        return a - b;
    }

    /**
     * @dev Returns the multiplication of two unsigned integers, reverting on
     * overflow.
     *
     * Counterpart to Solidity's `*` operator.
     *
     * Requirements:
     *
     * - Multiplication cannot overflow.
     */
    function mul(uint256 a, uint256 b) internal pure returns (uint256) {
        if (a == 0) return 0;
        uint256 c = a * b;
        require(c / a == b, "SafeMath: multiplication overflow");
        return c;
    }

    /**
     * @dev Returns the integer division of two unsigned integers, reverting on
     * division by zero. The result is rounded towards zero.
     *
     * Counterpart to Solidity's `/` operator. Note: this function uses a
     * `revert` opcode (which leaves remaining gas untouched) while Solidity
     * uses an invalid opcode to revert (consuming all remaining gas).
     *
     * Requirements:
     *
     * - The divisor cannot be zero.
     */
    function div(uint256 a, uint256 b) internal pure returns (uint256) {
        require(b > 0, "SafeMath: division by zero");
        return a / b;
    }

    /**
     * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
     * reverting when dividing by zero.
     *
     * Counterpart to Solidity's `%` operator. This function uses a `revert`
     * opcode (which leaves remaining gas untouched) while Solidity uses an
     * invalid opcode to revert (consuming all remaining gas).
     *
     * Requirements:
     *
     * - The divisor cannot be zero.
     */
    function mod(uint256 a, uint256 b) internal pure returns (uint256) {
        require(b > 0, "SafeMath: modulo by zero");
        return a % b;
    }

    /**
     * @dev Returns the subtraction of two unsigned integers, reverting with custom message on
     * overflow (when the result is negative).
     *
     * CAUTION: This function is deprecated because it requires allocating memory for the error
     * message unnecessarily. For custom revert reasons use {trySub}.
     *
     * Counterpart to Solidity's `-` operator.
     *
     * Requirements:
     *
     * - Subtraction cannot overflow.
     */
    function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
        require(b <= a, errorMessage);
        return a - b;
    }

    /**
     * @dev Returns the integer division of two unsigned integers, reverting with custom message on
     * division by zero. The result is rounded towards zero.
     *
     * CAUTION: This function is deprecated because it requires allocating memory for the error
     * message unnecessarily. For custom revert reasons use {tryDiv}.
     *
     * Counterpart to Solidity's `/` operator. Note: this function uses a
     * `revert` opcode (which leaves remaining gas untouched) while Solidity
     * uses an invalid opcode to revert (consuming all remaining gas).
     *
     * Requirements:
     *
     * - The divisor cannot be zero.
     */
    function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
        require(b > 0, errorMessage);
        return a / b;
    }

    /**
     * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
     * reverting with custom message when dividing by zero.
     *
     * CAUTION: This function is deprecated because it requires allocating memory for the error
     * message unnecessarily. For custom revert reasons use {tryMod}.
     *
     * Counterpart to Solidity's `%` operator. This function uses a `revert`
     * opcode (which leaves remaining gas untouched) while Solidity uses an
     * invalid opcode to revert (consuming all remaining gas).
     *
     * Requirements:
     *
     * - The divisor cannot be zero.
     */
    function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
        require(b > 0, errorMessage);
        return a % b;
    }
}

File 13 of 13 : Ownable.sol
// SPDX-License-Identifier: MIT

pragma solidity >=0.6.0 <0.8.0;

import "../utils/Context.sol";
/**
 * @dev Contract module which provides a basic access control mechanism, where
 * there is an account (an owner) that can be granted exclusive access to
 * specific functions.
 *
 * By default, the owner account will be the one that deploys the contract. This
 * can later be changed with {transferOwnership}.
 *
 * This module is used through inheritance. It will make available the modifier
 * `onlyOwner`, which can be applied to your functions to restrict their use to
 * the owner.
 */
abstract contract Ownable is Context {
    address private _owner;

    event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);

    /**
     * @dev Initializes the contract setting the deployer as the initial owner.
     */
    constructor () internal {
        address msgSender = _msgSender();
        _owner = msgSender;
        emit OwnershipTransferred(address(0), msgSender);
    }

    /**
     * @dev Returns the address of the current owner.
     */
    function owner() public view virtual returns (address) {
        return _owner;
    }

    /**
     * @dev Throws if called by any account other than the owner.
     */
    modifier onlyOwner() {
        require(owner() == _msgSender(), "Ownable: caller is not the owner");
        _;
    }

    /**
     * @dev Leaves the contract without owner. It will not be possible to call
     * `onlyOwner` functions anymore. Can only be called by the current owner.
     *
     * NOTE: Renouncing ownership will leave the contract without an owner,
     * thereby removing any functionality that is only available to the owner.
     */
    function renounceOwnership() public virtual onlyOwner {
        emit OwnershipTransferred(_owner, address(0));
        _owner = address(0);
    }

    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`).
     * Can only be called by the current owner.
     */
    function transferOwnership(address newOwner) public virtual onlyOwner {
        require(newOwner != address(0), "Ownable: new owner is the zero address");
        emit OwnershipTransferred(_owner, newOwner);
        _owner = newOwner;
    }
}

Settings
{
  "remappings": [],
  "optimizer": {
    "enabled": true,
    "runs": 200
  },
  "evmVersion": "istanbul",
  "libraries": {},
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "abi"
      ]
    }
  }
}

Contract Security Audit

Contract ABI

[{"inputs":[{"internalType":"address","name":"_factory","type":"address"},{"internalType":"address","name":"_WOKT","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"fromToken","type":"address"},{"indexed":false,"internalType":"address","name":"toToken","type":"address"},{"indexed":false,"internalType":"address","name":"sender","type":"address"},{"indexed":false,"internalType":"uint256","name":"fromAmount","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"returnAmount","type":"uint256"}],"name":"ExSwap","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"inputs":[],"name":"WOKT","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"tokenA","type":"address"},{"internalType":"address","name":"tokenB","type":"address"},{"internalType":"uint256","name":"amountADesired","type":"uint256"},{"internalType":"uint256","name":"amountBDesired","type":"uint256"},{"internalType":"uint256","name":"amountAMin","type":"uint256"},{"internalType":"uint256","name":"amountBMin","type":"uint256"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"deadline","type":"uint256"}],"name":"addLiquidity","outputs":[{"internalType":"uint256","name":"amountA","type":"uint256"},{"internalType":"uint256","name":"amountB","type":"uint256"},{"internalType":"uint256","name":"liquidity","type":"uint256"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"token","type":"address"},{"internalType":"uint256","name":"amountTokenDesired","type":"uint256"},{"internalType":"uint256","name":"amountTokenMin","type":"uint256"},{"internalType":"uint256","name":"amountETHMin","type":"uint256"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"deadline","type":"uint256"}],"name":"addLiquidityETH","outputs":[{"internalType":"uint256","name":"amountToken","type":"uint256"},{"internalType":"uint256","name":"amountETH","type":"uint256"},{"internalType":"uint256","name":"liquidity","type":"uint256"}],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"contractAddr","type":"address"}],"name":"addWhiteList","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"fromToken","type":"address"},{"internalType":"address","name":"toToken","type":"address"},{"internalType":"address","name":"approveTarget","type":"address"},{"internalType":"address","name":"swapTarget","type":"address"},{"internalType":"uint256","name":"fromTokenAmount","type":"uint256"},{"internalType":"uint256","name":"minReturnAmount","type":"uint256"},{"internalType":"bytes","name":"callDataConcat","type":"bytes"},{"internalType":"uint256","name":"deadLine","type":"uint256"}],"name":"externalSwap","outputs":[{"internalType":"uint256","name":"returnAmount","type":"uint256"}],"stateMutability":"payable","type":"function"},{"inputs":[],"name":"factory","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"amountOut","type":"uint256"},{"internalType":"uint256","name":"reserveIn","type":"uint256"},{"internalType":"uint256","name":"reserveOut","type":"uint256"}],"name":"getAmountIn","outputs":[{"internalType":"uint256","name":"amountIn","type":"uint256"}],"stateMutability":"pure","type":"function"},{"inputs":[{"internalType":"uint256","name":"amountIn","type":"uint256"},{"internalType":"uint256","name":"reserveIn","type":"uint256"},{"internalType":"uint256","name":"reserveOut","type":"uint256"}],"name":"getAmountOut","outputs":[{"internalType":"uint256","name":"amountOut","type":"uint256"}],"stateMutability":"pure","type":"function"},{"inputs":[{"internalType":"uint256","name":"amountOut","type":"uint256"},{"internalType":"address[]","name":"path","type":"address[]"}],"name":"getAmountsIn","outputs":[{"internalType":"uint256[]","name":"amounts","type":"uint256[]"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"amountIn","type":"uint256"},{"internalType":"address[]","name":"path","type":"address[]"}],"name":"getAmountsOut","outputs":[{"internalType":"uint256[]","name":"amounts","type":"uint256[]"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"isWhiteListed","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"fromToken","type":"address"},{"internalType":"address","name":"toToken","type":"address"},{"internalType":"uint256","name":"fromTokenAmount","type":"uint256"},{"internalType":"uint256","name":"minReturnAmount","type":"uint256"},{"internalType":"address[]","name":"mixAdapters","type":"address[]"},{"internalType":"address[]","name":"mixPairs","type":"address[]"},{"internalType":"address[]","name":"assetTo","type":"address[]"},{"internalType":"uint256","name":"directions","type":"uint256"},{"internalType":"uint256","name":"deadLine","type":"uint256"}],"name":"mixSwap","outputs":[{"internalType":"uint256","name":"returnAmount","type":"uint256"}],"stateMutability":"payable","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"tokenA","type":"address"},{"internalType":"address","name":"tokenB","type":"address"}],"name":"pairFor","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"fromToken","type":"address"},{"internalType":"address","name":"toToken","type":"address"},{"internalType":"uint256","name":"fromTokenAmount","type":"uint256"},{"internalType":"uint256","name":"minReturnAmount","type":"uint256"},{"internalType":"uint256[]","name":"weights","type":"uint256[]"},{"internalType":"address[]","name":"adapters","type":"address[]"},{"internalType":"address[]","name":"pools","type":"address[]"},{"internalType":"uint256","name":"directions","type":"uint256"},{"internalType":"uint256","name":"deadLine","type":"uint256"}],"name":"polySwap","outputs":[{"internalType":"uint256","name":"returnAmount","type":"uint256"}],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"uint256","name":"amountA","type":"uint256"},{"internalType":"uint256","name":"reserveA","type":"uint256"},{"internalType":"uint256","name":"reserveB","type":"uint256"}],"name":"quote","outputs":[{"internalType":"uint256","name":"amountB","type":"uint256"}],"stateMutability":"pure","type":"function"},{"inputs":[{"internalType":"address","name":"tokenA","type":"address"},{"internalType":"address","name":"tokenB","type":"address"},{"internalType":"uint256","name":"liquidity","type":"uint256"},{"internalType":"uint256","name":"amountAMin","type":"uint256"},{"internalType":"uint256","name":"amountBMin","type":"uint256"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"deadline","type":"uint256"}],"name":"removeLiquidity","outputs":[{"internalType":"uint256","name":"amountA","type":"uint256"},{"internalType":"uint256","name":"amountB","type":"uint256"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"token","type":"address"},{"internalType":"uint256","name":"liquidity","type":"uint256"},{"internalType":"uint256","name":"amountTokenMin","type":"uint256"},{"internalType":"uint256","name":"amountETHMin","type":"uint256"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"deadline","type":"uint256"}],"name":"removeLiquidityETH","outputs":[{"internalType":"uint256","name":"amountToken","type":"uint256"},{"internalType":"uint256","name":"amountETH","type":"uint256"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"token","type":"address"},{"internalType":"uint256","name":"liquidity","type":"uint256"},{"internalType":"uint256","name":"amountTokenMin","type":"uint256"},{"internalType":"uint256","name":"amountETHMin","type":"uint256"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"deadline","type":"uint256"}],"name":"removeLiquidityETHSupportingFeeOnTransferTokens","outputs":[{"internalType":"uint256","name":"amountETH","type":"uint256"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"token","type":"address"},{"internalType":"uint256","name":"liquidity","type":"uint256"},{"internalType":"uint256","name":"amountTokenMin","type":"uint256"},{"internalType":"uint256","name":"amountETHMin","type":"uint256"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"deadline","type":"uint256"},{"internalType":"bool","name":"approveMax","type":"bool"},{"internalType":"uint8","name":"v","type":"uint8"},{"internalType":"bytes32","name":"r","type":"bytes32"},{"internalType":"bytes32","name":"s","type":"bytes32"}],"name":"removeLiquidityETHWithPermit","outputs":[{"internalType":"uint256","name":"amountToken","type":"uint256"},{"internalType":"uint256","name":"amountETH","type":"uint256"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"token","type":"address"},{"internalType":"uint256","name":"liquidity","type":"uint256"},{"internalType":"uint256","name":"amountTokenMin","type":"uint256"},{"internalType":"uint256","name":"amountETHMin","type":"uint256"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"deadline","type":"uint256"},{"internalType":"bool","name":"approveMax","type":"bool"},{"internalType":"uint8","name":"v","type":"uint8"},{"internalType":"bytes32","name":"r","type":"bytes32"},{"internalType":"bytes32","name":"s","type":"bytes32"}],"name":"removeLiquidityETHWithPermitSupportingFeeOnTransferTokens","outputs":[{"internalType":"uint256","name":"amountETH","type":"uint256"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"tokenA","type":"address"},{"internalType":"address","name":"tokenB","type":"address"},{"internalType":"uint256","name":"liquidity","type":"uint256"},{"internalType":"uint256","name":"amountAMin","type":"uint256"},{"internalType":"uint256","name":"amountBMin","type":"uint256"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"deadline","type":"uint256"},{"internalType":"bool","name":"approveMax","type":"bool"},{"internalType":"uint8","name":"v","type":"uint8"},{"internalType":"bytes32","name":"r","type":"bytes32"},{"internalType":"bytes32","name":"s","type":"bytes32"}],"name":"removeLiquidityWithPermit","outputs":[{"internalType":"uint256","name":"amountA","type":"uint256"},{"internalType":"uint256","name":"amountB","type":"uint256"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"contractAddr","type":"address"}],"name":"removeWhiteList","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_tradingPool","type":"address"}],"name":"setTradingPool","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"amountOut","type":"uint256"},{"internalType":"address[]","name":"path","type":"address[]"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"deadline","type":"uint256"}],"name":"swapETHForExactTokens","outputs":[{"internalType":"uint256[]","name":"amounts","type":"uint256[]"}],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"uint256","name":"amountOutMin","type":"uint256"},{"internalType":"address[]","name":"path","type":"address[]"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"deadline","type":"uint256"}],"name":"swapExactETHForTokens","outputs":[{"internalType":"uint256[]","name":"amounts","type":"uint256[]"}],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"uint256","name":"amountOutMin","type":"uint256"},{"internalType":"address[]","name":"path","type":"address[]"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"deadline","type":"uint256"}],"name":"swapExactETHForTokensSupportingFeeOnTransferTokens","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"uint256","name":"amountIn","type":"uint256"},{"internalType":"uint256","name":"amountOutMin","type":"uint256"},{"internalType":"address[]","name":"path","type":"address[]"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"deadline","type":"uint256"}],"name":"swapExactTokensForETH","outputs":[{"internalType":"uint256[]","name":"amounts","type":"uint256[]"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"amountIn","type":"uint256"},{"internalType":"uint256","name":"amountOutMin","type":"uint256"},{"internalType":"address[]","name":"path","type":"address[]"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"deadline","type":"uint256"}],"name":"swapExactTokensForETHSupportingFeeOnTransferTokens","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"amountIn","type":"uint256"},{"internalType":"uint256","name":"amountOutMin","type":"uint256"},{"internalType":"address[]","name":"path","type":"address[]"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"deadline","type":"uint256"}],"name":"swapExactTokensForTokens","outputs":[{"internalType":"uint256[]","name":"amounts","type":"uint256[]"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"amountIn","type":"uint256"},{"internalType":"uint256","name":"amountOutMin","type":"uint256"},{"internalType":"address[]","name":"path","type":"address[]"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"deadline","type":"uint256"}],"name":"swapExactTokensForTokensSupportingFeeOnTransferTokens","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"amountOut","type":"uint256"},{"internalType":"uint2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Constructor Arguments (ABI-Encoded and is the last bytes of the Contract Creation Code above)

00000000000000000000000073d9f93d53505cb8c4c7f952ae42450d9e859d10000000000000000000000000bb4cdb9cbd36b01bd1cbaebf2de08d9173bc095c

-----Decoded View---------------
Arg [0] : _factory (address): 0x73d9f93d53505cb8c4c7f952ae42450d9e859d10
Arg [1] : _WOKT (address): 0xbb4cdb9cbd36b01bd1cbaebf2de08d9173bc095c

-----Encoded View---------------
2 Constructor Arguments found :
Arg [0] : 00000000000000000000000073d9f93d53505cb8c4c7f952ae42450d9e859d10
Arg [1] : 000000000000000000000000bb4cdb9cbd36b01bd1cbaebf2de08d9173bc095c


Block Transaction Gas Used Reward
Age Block Fee Address BC Fee Address Voting Power Jailed Incoming
Block Uncle Number Difficulty Gas Used Reward
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