Contract 0x2b660040b289b1b570e053b21dd9a6f1067ad7f5

Txn Hash Method
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Value [Txn Fee]
0xc3d756777feeb428b066b1f15720f7bffa24a2c660d4a7143bc44e320f7649e8Add Liquidity234437072021-11-29 4:33:4822 mins ago0x9640e4f2bf136935cb4fd0e4200b7611374b6487 IN  0x2b660040b289b1b570e053b21dd9a6f1067ad7f50 FTM0.025345564281
0x62e3678444ec1a5ca1453129c4639683787aede77ad34186f199265d7c976e6bAdd Liquidity234435272021-11-29 4:30:5525 mins ago0x0d2343588aeba49526747e9ee58f285cad0612de IN  0x2b660040b289b1b570e053b21dd9a6f1067ad7f50 FTM0.025415758469
0xb31e7231b6ae29e17b9c30c1c0794b3934afa7174cc8d472181ec424101dd1b0Swap Exact Token...234435062021-11-29 4:30:3925 mins ago0x0d2343588aeba49526747e9ee58f285cad0612de IN  0x2b660040b289b1b570e053b21dd9a6f1067ad7f50 FTM0.01648422751
0x1a332ef34ed2eb1e7f5868f7f50cb72a4a5437d2f129f91a041a1325a82c096eSwap Exact Token...234433782021-11-29 4:28:5427 mins ago0x0e6b2656783daaf1c35504133eb8d870f1cb27a1 IN  0x2b660040b289b1b570e053b21dd9a6f1067ad7f50 FTM0.028749399728
0xe70b040f1f000216352901555783647bfe71c503134a779d82569866c6b2df43Swap Exact Token...234433722021-11-29 4:28:4927 mins ago0xbaae924deda8e30b6e788742e9063689f7ea293e IN  0x2b660040b289b1b570e053b21dd9a6f1067ad7f50 FTM0.030955493149
0x4378303fee9a01f35730e64cf7cba30bfae8c48f190903531f58dad58f80b099Swap Exact ETH F...234433552021-11-29 4:28:3527 mins ago0x0e6b2656783daaf1c35504133eb8d870f1cb27a1 IN  0x2b660040b289b1b570e053b21dd9a6f1067ad7f530 FTM0.032486164907
0xc0fe96a77795291fd273cba5032258f1b08df7859483b4307ecc77a997b772eaSwap Exact Token...234433072021-11-29 4:27:5728 mins ago0x0e6b2656783daaf1c35504133eb8d870f1cb27a1 IN  0x2b660040b289b1b570e053b21dd9a6f1067ad7f50 FTM0.029495288628
0xdf2dbf894be5aad3cfceffa9cc8e3d8dc5cc02b7173ebca5f12716961292ec83Swap Exact Token...234432912021-11-29 4:27:4528 mins ago0xbaae924deda8e30b6e788742e9063689f7ea293e IN  0x2b660040b289b1b570e053b21dd9a6f1067ad7f50 FTM0.029865050098
0x34fcb8d631219abd884eeed697d5022edd591b16191066d743bcdd02110de787Swap Exact ETH F...234432862021-11-29 4:27:4128 mins ago0x0e6b2656783daaf1c35504133eb8d870f1cb27a1 IN  0x2b660040b289b1b570e053b21dd9a6f1067ad7f530 FTM0.033124556099
0x425bc1c376d04211b7f9cb2455b7ec73e0e1001581be84a3ee3a8a695e9dec34Swap Exact Token...234432522021-11-29 4:27:1328 mins ago0x0e6b2656783daaf1c35504133eb8d870f1cb27a1 IN  0x2b660040b289b1b570e053b21dd9a6f1067ad7f50 FTM0.030074905598
0x90ba816af3e2286a552b17f27a81161158e3353ef626cb608dad343692c13284Swap Exact ETH F...234432272021-11-29 4:26:5429 mins ago0x0e6b2656783daaf1c35504133eb8d870f1cb27a1 IN  0x2b660040b289b1b570e053b21dd9a6f1067ad7f530 FTM0.033124556099
0x095ec84c17c8516186ed28ef2b58f82105badb84c9b2b9d539d8c263c3884625Swap Exact Token...234431792021-11-29 4:26:1729 mins ago0x0e6b2656783daaf1c35504133eb8d870f1cb27a1 IN  0x2b660040b289b1b570e053b21dd9a6f1067ad7f50 FTM0.029980902986
0x715fc9755c262e7924fa769a6e1c2feb2a04860deb0f1d165a3fbd5fa283340eSwap Exact ETH F...234431282021-11-29 4:25:3230 mins ago0x0d2343588aeba49526747e9ee58f285cad0612de IN  0x2b660040b289b1b570e053b21dd9a6f1067ad7f57 FTM0.033645570682
0xfbfd1fb416cefa2885ee7a8026520cde712e183bca425e031dee40521685ffedSwap Exact ETH F...234431052021-11-29 4:25:1030 mins ago0x0d2343588aeba49526747e9ee58f285cad0612de IN  0x2b660040b289b1b570e053b21dd9a6f1067ad7f57 FTM0.033646190894
0x276e2b15f11493f815d1c4620b3d49ba2979fa4fbfaa95648952fd70c3d2d1a5Swap Exact ETH F...234430442021-11-29 4:24:1431 mins ago0xbaae924deda8e30b6e788742e9063689f7ea293e IN  0x2b660040b289b1b570e053b21dd9a6f1067ad7f518 FTM0.023711894192
0x682a5b79d2fc691d56a8e64b53691c2b147679fc550a3cf52259b3b8cbb7cb79Add Liquidity234430062021-11-29 4:23:1032 mins ago0xbfc614f7e679bd81873ae00e4bf78c712b6ed6e4 IN  0x2b660040b289b1b570e053b21dd9a6f1067ad7f50 FTM0.019814107254
0x4a4a5ba337c6242acddb6319e183cda12f4b6ebc2f2914c4035b667eb9649646Swap Exact ETH F...234428632021-11-29 4:21:1634 mins ago0xb0e61fc6e70587a7b649fcc66795944a91316176 IN  0x2b660040b289b1b570e053b21dd9a6f1067ad7f521 FTM0.018171882408
0x89a1a87a7f5302f4ca8af32659167b34046d93ee817ad650dd1bea41b0dacebbAdd Liquidity234428302021-11-29 4:20:4935 mins ago0x113cd708999f1164f37a521da01de2091659d799 IN  0x2b660040b289b1b570e053b21dd9a6f1067ad7f50 FTM0.02114474756
0xa4e77c781cd1425d818510d9ddf5485f12d9b1f97faa50290d85ed6f371e8f1fSwap Exact ETH F...234426362021-11-29 4:18:0337 mins ago0x0e6b2656783daaf1c35504133eb8d870f1cb27a1 IN  0x2b660040b289b1b570e053b21dd9a6f1067ad7f530 FTM0.026841487326
0x1e5b017565a00076200415f6f9f18dbbfe39e058d2fdb2ce4376a763d373fdb1Add Liquidity234425392021-11-29 4:16:4239 mins ago0xb2823fb8c5c6f3b62d8a0a89b9718df4e913f761 IN  0x2b660040b289b1b570e053b21dd9a6f1067ad7f50 FTM0.020921542985
0x692a0b73b27b8c99414f004adb4f23b0344987bf9d6b9947273b3b64d56688cbAdd Liquidity234423122021-11-29 4:13:4142 mins ago0xfe8090eb6a1cb304183a3cd154bc7eea43039ab3 IN  0x2b660040b289b1b570e053b21dd9a6f1067ad7f50 FTM0.020909397077
0x57b0b20ccf619510174b2c04097c054aa77ee20388a6ab0d4bd66414a8419310Swap Exact Token...234422452021-11-29 4:12:4643 mins ago0xda4379a4f0e51ac27d1fe3709b472e425fe1a200 IN  0x2b660040b289b1b570e053b21dd9a6f1067ad7f50 FTM0.016249625323
0x9661232f5aff72078d24f539767ff0f7f52614e2bb60eff885e6cb1d49c1ca90Swap Exact ETH F...234422282021-11-29 4:12:3343 mins ago0xda4379a4f0e51ac27d1fe3709b472e425fe1a200 IN  0x2b660040b289b1b570e053b21dd9a6f1067ad7f50.5 FTM0.018766682329
0x86e94d89f82ccc084df456c0f5940197a04e8f6012f42d9c5eb2c5514a4b8ceaAdd Liquidity234421282021-11-29 4:11:1044 mins ago0x136e6ad428648392d93cb5f14f59297b2ce3421a IN  0x2b660040b289b1b570e053b21dd9a6f1067ad7f50 FTM0.022466883848
0xb419cb5a0d288be9a965b152ea282048e6ce40b39f484b72959cdcd768b4413fSwap Exact Token...234420652021-11-29 4:10:1445 mins ago0x4ef59b896e6407d40db73099c5387d06491b703b IN  0x2b660040b289b1b570e053b21dd9a6f1067ad7f50 FTM0.026478804876
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0x1a332ef34ed2eb1e7f5868f7f50cb72a4a5437d2f129f91a041a1325a82c096e234433782021-11-29 4:28:5427 mins ago 0x2b660040b289b1b570e053b21dd9a6f1067ad7f50x0e6b2656783daaf1c35504133eb8d870f1cb27a129.545412173288598109 FTM
0x1a332ef34ed2eb1e7f5868f7f50cb72a4a5437d2f129f91a041a1325a82c096e234433782021-11-29 4:28:5427 mins ago Fantom Finance: Wrapped Fantom Token 0x2b660040b289b1b570e053b21dd9a6f1067ad7f529.545412173288598109 FTM
0xe70b040f1f000216352901555783647bfe71c503134a779d82569866c6b2df43234433722021-11-29 4:28:4927 mins ago 0x2b660040b289b1b570e053b21dd9a6f1067ad7f50xbaae924deda8e30b6e788742e9063689f7ea293e17.441820041619384818 FTM
0xe70b040f1f000216352901555783647bfe71c503134a779d82569866c6b2df43234433722021-11-29 4:28:4927 mins ago Fantom Finance: Wrapped Fantom Token 0x2b660040b289b1b570e053b21dd9a6f1067ad7f517.441820041619384818 FTM
0x4378303fee9a01f35730e64cf7cba30bfae8c48f190903531f58dad58f80b099234433552021-11-29 4:28:3527 mins ago 0x2b660040b289b1b570e053b21dd9a6f1067ad7f5 Fantom Finance: Wrapped Fantom Token30 FTM
0x4378303fee9a01f35730e64cf7cba30bfae8c48f190903531f58dad58f80b099234433552021-11-29 4:28:3527 mins ago 0x0e6b2656783daaf1c35504133eb8d870f1cb27a1 0x2b660040b289b1b570e053b21dd9a6f1067ad7f530 FTM
0xc0fe96a77795291fd273cba5032258f1b08df7859483b4307ecc77a997b772ea234433072021-11-29 4:27:5728 mins ago 0x2b660040b289b1b570e053b21dd9a6f1067ad7f50x0e6b2656783daaf1c35504133eb8d870f1cb27a129.552939034104714915 FTM
0xc0fe96a77795291fd273cba5032258f1b08df7859483b4307ecc77a997b772ea234433072021-11-29 4:27:5728 mins ago Fantom Finance: Wrapped Fantom Token 0x2b660040b289b1b570e053b21dd9a6f1067ad7f529.552939034104714915 FTM
0x34fcb8d631219abd884eeed697d5022edd591b16191066d743bcdd02110de787234432862021-11-29 4:27:4128 mins ago 0x2b660040b289b1b570e053b21dd9a6f1067ad7f5 Fantom Finance: Wrapped Fantom Token30 FTM
0x34fcb8d631219abd884eeed697d5022edd591b16191066d743bcdd02110de787234432862021-11-29 4:27:4128 mins ago 0x0e6b2656783daaf1c35504133eb8d870f1cb27a1 0x2b660040b289b1b570e053b21dd9a6f1067ad7f530 FTM
0x425bc1c376d04211b7f9cb2455b7ec73e0e1001581be84a3ee3a8a695e9dec34234432522021-11-29 4:27:1328 mins ago 0x2b660040b289b1b570e053b21dd9a6f1067ad7f50x0e6b2656783daaf1c35504133eb8d870f1cb27a129.643079755525511226 FTM
0x425bc1c376d04211b7f9cb2455b7ec73e0e1001581be84a3ee3a8a695e9dec34234432522021-11-29 4:27:1328 mins ago Fantom Finance: Wrapped Fantom Token 0x2b660040b289b1b570e053b21dd9a6f1067ad7f529.643079755525511226 FTM
0x90ba816af3e2286a552b17f27a81161158e3353ef626cb608dad343692c13284234432272021-11-29 4:26:5429 mins ago 0x2b660040b289b1b570e053b21dd9a6f1067ad7f5 Fantom Finance: Wrapped Fantom Token30 FTM
0x90ba816af3e2286a552b17f27a81161158e3353ef626cb608dad343692c13284234432272021-11-29 4:26:5429 mins ago 0x0e6b2656783daaf1c35504133eb8d870f1cb27a1 0x2b660040b289b1b570e053b21dd9a6f1067ad7f530 FTM
0x095ec84c17c8516186ed28ef2b58f82105badb84c9b2b9d539d8c263c3884625234431792021-11-29 4:26:1729 mins ago 0x2b660040b289b1b570e053b21dd9a6f1067ad7f50x0e6b2656783daaf1c35504133eb8d870f1cb27a129.502310298046642321 FTM
0x095ec84c17c8516186ed28ef2b58f82105badb84c9b2b9d539d8c263c3884625234431792021-11-29 4:26:1729 mins ago Fantom Finance: Wrapped Fantom Token 0x2b660040b289b1b570e053b21dd9a6f1067ad7f529.502310298046642321 FTM
0x715fc9755c262e7924fa769a6e1c2feb2a04860deb0f1d165a3fbd5fa283340e234431282021-11-29 4:25:3230 mins ago 0x2b660040b289b1b570e053b21dd9a6f1067ad7f5 Fantom Finance: Wrapped Fantom Token7 FTM
0x715fc9755c262e7924fa769a6e1c2feb2a04860deb0f1d165a3fbd5fa283340e234431282021-11-29 4:25:3230 mins ago 0x0d2343588aeba49526747e9ee58f285cad0612de 0x2b660040b289b1b570e053b21dd9a6f1067ad7f57 FTM
0xfbfd1fb416cefa2885ee7a8026520cde712e183bca425e031dee40521685ffed234431052021-11-29 4:25:1030 mins ago 0x2b660040b289b1b570e053b21dd9a6f1067ad7f5 Fantom Finance: Wrapped Fantom Token7 FTM
0xfbfd1fb416cefa2885ee7a8026520cde712e183bca425e031dee40521685ffed234431052021-11-29 4:25:1030 mins ago 0x0d2343588aeba49526747e9ee58f285cad0612de 0x2b660040b289b1b570e053b21dd9a6f1067ad7f57 FTM
0x276e2b15f11493f815d1c4620b3d49ba2979fa4fbfaa95648952fd70c3d2d1a5234430442021-11-29 4:24:1431 mins ago 0x2b660040b289b1b570e053b21dd9a6f1067ad7f5 Fantom Finance: Wrapped Fantom Token18 FTM
0x276e2b15f11493f815d1c4620b3d49ba2979fa4fbfaa95648952fd70c3d2d1a5234430442021-11-29 4:24:1431 mins ago 0xbaae924deda8e30b6e788742e9063689f7ea293e 0x2b660040b289b1b570e053b21dd9a6f1067ad7f518 FTM
0x4a4a5ba337c6242acddb6319e183cda12f4b6ebc2f2914c4035b667eb9649646234428632021-11-29 4:21:1634 mins ago 0x2b660040b289b1b570e053b21dd9a6f1067ad7f5 Fantom Finance: Wrapped Fantom Token21 FTM
0x4a4a5ba337c6242acddb6319e183cda12f4b6ebc2f2914c4035b667eb9649646234428632021-11-29 4:21:1634 mins ago 0xb0e61fc6e70587a7b649fcc66795944a91316176 0x2b660040b289b1b570e053b21dd9a6f1067ad7f521 FTM
0xa4e77c781cd1425d818510d9ddf5485f12d9b1f97faa50290d85ed6f371e8f1f234426362021-11-29 4:18:0337 mins ago 0x2b660040b289b1b570e053b21dd9a6f1067ad7f5 Fantom Finance: Wrapped Fantom Token30 FTM
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Contract Source Code Verified (Exact Match)

Contract Name:
WingswapRouter02

Compiler Version
v0.6.6+commit.6c089d02

Optimization Enabled:
Yes with 200 runs

Other Settings:
default evmVersion

Contract Source Code (Solidity Standard Json-Input format)

File 1 of 10 : WingswapRouter02.sol
pragma solidity =0.6.6;

import './interfaces/IWingswapFactory.sol';
import '@uniswap/lib/contracts/libraries/TransferHelper.sol';

import './interfaces/IWingswapRouter02.sol';
import './libraries/WingswapLibrary.sol';
import './libraries/SafeMath.sol';
import './interfaces/IERC20.sol';
import './interfaces/IWETH.sol';

contract WingswapRouter02 is IWingswapRouter02 {
    using SafeMath for uint;

    address public immutable override factory;
    address public immutable override WETH;

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

    constructor(address _factory, address _WETH) public {
        factory = _factory;
        WETH = _WETH;
    }

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

    // **** ADD LIQUIDITY ****
    function _addLiquidity(
        address tokenA,
        address tokenB,
        uint amountADesired,
        uint amountBDesired,
        uint amountAMin,
        uint amountBMin
    ) internal virtual returns (uint amountA, uint amountB) {
        // create the pair if it doesn't exist yet
        if (IWingswapFactory(factory).getPair(tokenA, tokenB) == address(0)) {
            IWingswapFactory(factory).createPair(tokenA, tokenB);
        }
        (uint reserveA, uint reserveB) = WingswapLibrary.getReserves(factory, tokenA, tokenB);
        if (reserveA == 0 && reserveB == 0) {
            (amountA, amountB) = (amountADesired, amountBDesired);
        } else {
            uint amountBOptimal = WingswapLibrary.quote(amountADesired, reserveA, reserveB);
            if (amountBOptimal <= amountBDesired) {
                require(amountBOptimal >= amountBMin, 'WingswapRouter: INSUFFICIENT_B_AMOUNT');
                (amountA, amountB) = (amountADesired, amountBOptimal);
            } else {
                uint amountAOptimal = WingswapLibrary.quote(amountBDesired, reserveB, reserveA);
                assert(amountAOptimal <= amountADesired);
                require(amountAOptimal >= amountAMin, 'WingswapRouter: INSUFFICIENT_A_AMOUNT');
                (amountA, amountB) = (amountAOptimal, amountBDesired);
            }
        }
    }
    function addLiquidity(
        address tokenA,
        address tokenB,
        uint amountADesired,
        uint amountBDesired,
        uint amountAMin,
        uint amountBMin,
        address to,
        uint deadline
    ) external virtual override ensure(deadline) returns (uint amountA, uint amountB, uint liquidity) {
        (amountA, amountB) = _addLiquidity(tokenA, tokenB, amountADesired, amountBDesired, amountAMin, amountBMin);
        address pair = WingswapLibrary.pairFor(factory, tokenA, tokenB);
        TransferHelper.safeTransferFrom(tokenA, msg.sender, pair, amountA);
        TransferHelper.safeTransferFrom(tokenB, msg.sender, pair, amountB);
        liquidity = IWingswapPair(pair).mint(to);
    }
    function addLiquidityETH(
        address token,
        uint amountTokenDesired,
        uint amountTokenMin,
        uint amountETHMin,
        address to,
        uint deadline
    ) external virtual override payable ensure(deadline) returns (uint amountToken, uint amountETH, uint liquidity) {
        (amountToken, amountETH) = _addLiquidity(
            token,
            WETH,
            amountTokenDesired,
            msg.value,
            amountTokenMin,
            amountETHMin
        );
        address pair = WingswapLibrary.pairFor(factory, token, WETH);
        TransferHelper.safeTransferFrom(token, msg.sender, pair, amountToken);
        IWETH(WETH).deposit{value: amountETH}();
        assert(IWETH(WETH).transfer(pair, amountETH));
        liquidity = IWingswapPair(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,
        uint liquidity,
        uint amountAMin,
        uint amountBMin,
        address to,
        uint deadline
    ) public virtual override ensure(deadline) returns (uint amountA, uint amountB) {
        address pair = WingswapLibrary.pairFor(factory, tokenA, tokenB);
        IWingswapPair(pair).transferFrom(msg.sender, pair, liquidity); // send liquidity to pair
        (uint amount0, uint amount1) = IWingswapPair(pair).burn(to);
        (address token0,) = WingswapLibrary.sortTokens(tokenA, tokenB);
        (amountA, amountB) = tokenA == token0 ? (amount0, amount1) : (amount1, amount0);
        require(amountA >= amountAMin, 'WingswapRouter: INSUFFICIENT_A_AMOUNT');
        require(amountB >= amountBMin, 'WingswapRouter: INSUFFICIENT_B_AMOUNT');
    }
    function removeLiquidityETH(
        address token,
        uint liquidity,
        uint amountTokenMin,
        uint amountETHMin,
        address to,
        uint deadline
    ) public virtual override ensure(deadline) returns (uint amountToken, uint amountETH) {
        (amountToken, amountETH) = removeLiquidity(
            token,
            WETH,
            liquidity,
            amountTokenMin,
            amountETHMin,
            address(this),
            deadline
        );
        TransferHelper.safeTransfer(token, to, amountToken);
        IWETH(WETH).withdraw(amountETH);
        TransferHelper.safeTransferETH(to, amountETH);
    }
    function removeLiquidityWithPermit(
        address tokenA,
        address tokenB,
        uint liquidity,
        uint amountAMin,
        uint amountBMin,
        address to,
        uint deadline,
        bool approveMax, uint8 v, bytes32 r, bytes32 s
    ) external virtual override returns (uint amountA, uint amountB) {
        address pair = WingswapLibrary.pairFor(factory, tokenA, tokenB);
        uint value = approveMax ? uint(-1) : liquidity;
        IWingswapPair(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,
        uint liquidity,
        uint amountTokenMin,
        uint amountETHMin,
        address to,
        uint deadline,
        bool approveMax, uint8 v, bytes32 r, bytes32 s
    ) external virtual override returns (uint amountToken, uint amountETH) {
        address pair = WingswapLibrary.pairFor(factory, token, WETH);
        uint value = approveMax ? uint(-1) : liquidity;
        IWingswapPair(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,
        uint liquidity,
        uint amountTokenMin,
        uint amountETHMin,
        address to,
        uint deadline
    ) public virtual override ensure(deadline) returns (uint amountETH) {
        (, amountETH) = removeLiquidity(
            token,
            WETH,
            liquidity,
            amountTokenMin,
            amountETHMin,
            address(this),
            deadline
        );
        TransferHelper.safeTransfer(token, to, IERC20(token).balanceOf(address(this)));
        IWETH(WETH).withdraw(amountETH);
        TransferHelper.safeTransferETH(to, amountETH);
    }
    function removeLiquidityETHWithPermitSupportingFeeOnTransferTokens(
        address token,
        uint liquidity,
        uint amountTokenMin,
        uint amountETHMin,
        address to,
        uint deadline,
        bool approveMax, uint8 v, bytes32 r, bytes32 s
    ) external virtual override returns (uint amountETH) {
        address pair = WingswapLibrary.pairFor(factory, token, WETH);
        uint value = approveMax ? uint(-1) : liquidity;
        IWingswapPair(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(uint[] memory amounts, address[] memory path, address _to) internal virtual {
        for (uint i; i < path.length - 1; i++) {
            (address input, address output) = (path[i], path[i + 1]);
            (address token0,) = WingswapLibrary.sortTokens(input, output);
            uint amountOut = amounts[i + 1];
            (uint amount0Out, uint amount1Out) = input == token0 ? (uint(0), amountOut) : (amountOut, uint(0));
            address to = i < path.length - 2 ? WingswapLibrary.pairFor(factory, output, path[i + 2]) : _to;
            IWingswapPair(WingswapLibrary.pairFor(factory, input, output)).swap(
                amount0Out, amount1Out, to, new bytes(0)
            );
        }
    }
    function swapExactTokensForTokens(
        uint amountIn,
        uint amountOutMin,
        address[] calldata path,
        address to,
        uint deadline
    ) external virtual override ensure(deadline) returns (uint[] memory amounts) {
        amounts = WingswapLibrary.getAmountsOut(factory, amountIn, path);
        require(amounts[amounts.length - 1] >= amountOutMin, 'WingswapRouter: INSUFFICIENT_OUTPUT_AMOUNT');
        TransferHelper.safeTransferFrom(
            path[0], msg.sender, WingswapLibrary.pairFor(factory, path[0], path[1]), amounts[0]
        );
        _swap(amounts, path, to);
    }
    function swapTokensForExactTokens(
        uint amountOut,
        uint amountInMax,
        address[] calldata path,
        address to,
        uint deadline
    ) external virtual override ensure(deadline) returns (uint[] memory amounts) {
        amounts = WingswapLibrary.getAmountsIn(factory, amountOut, path);
        require(amounts[0] <= amountInMax, 'WingswapRouter: EXCESSIVE_INPUT_AMOUNT');
        TransferHelper.safeTransferFrom(
            path[0], msg.sender, WingswapLibrary.pairFor(factory, path[0], path[1]), amounts[0]
        );
        _swap(amounts, path, to);
    }
    function swapExactETHForTokens(uint amountOutMin, address[] calldata path, address to, uint deadline)
        external
        virtual
        override
        payable
        ensure(deadline)
        returns (uint[] memory amounts)
    {
        require(path[0] == WETH, 'WingswapRouter: INVALID_PATH');
        amounts = WingswapLibrary.getAmountsOut(factory, msg.value, path);
        require(amounts[amounts.length - 1] >= amountOutMin, 'WingswapRouter: INSUFFICIENT_OUTPUT_AMOUNT');
        IWETH(WETH).deposit{value: amounts[0]}();
        assert(IWETH(WETH).transfer(WingswapLibrary.pairFor(factory, path[0], path[1]), amounts[0]));
        _swap(amounts, path, to);
    }
    function swapTokensForExactETH(uint amountOut, uint amountInMax, address[] calldata path, address to, uint deadline)
        external
        virtual
        override
        ensure(deadline)
        returns (uint[] memory amounts)
    {
        require(path[path.length - 1] == WETH, 'WingswapRouter: INVALID_PATH');
        amounts = WingswapLibrary.getAmountsIn(factory, amountOut, path);
        require(amounts[0] <= amountInMax, 'WingswapRouter: EXCESSIVE_INPUT_AMOUNT');
        TransferHelper.safeTransferFrom(
            path[0], msg.sender, WingswapLibrary.pairFor(factory, path[0], path[1]), amounts[0]
        );
        _swap(amounts, path, address(this));
        IWETH(WETH).withdraw(amounts[amounts.length - 1]);
        TransferHelper.safeTransferETH(to, amounts[amounts.length - 1]);
    }
    function swapExactTokensForETH(uint amountIn, uint amountOutMin, address[] calldata path, address to, uint deadline)
        external
        virtual
        override
        ensure(deadline)
        returns (uint[] memory amounts)
    {
        require(path[path.length - 1] == WETH, 'WingswapRouter: INVALID_PATH');
        amounts = WingswapLibrary.getAmountsOut(factory, amountIn, path);
        require(amounts[amounts.length - 1] >= amountOutMin, 'WingswapRouter: INSUFFICIENT_OUTPUT_AMOUNT');
        TransferHelper.safeTransferFrom(
            path[0], msg.sender, WingswapLibrary.pairFor(factory, path[0], path[1]), amounts[0]
        );
        _swap(amounts, path, address(this));
        IWETH(WETH).withdraw(amounts[amounts.length - 1]);
        TransferHelper.safeTransferETH(to, amounts[amounts.length - 1]);
    }
    function swapETHForExactTokens(uint amountOut, address[] calldata path, address to, uint deadline)
        external
        virtual
        override
        payable
        ensure(deadline)
        returns (uint[] memory amounts)
    {
        require(path[0] == WETH, 'WingswapRouter: INVALID_PATH');
        amounts = WingswapLibrary.getAmountsIn(factory, amountOut, path);
        require(amounts[0] <= msg.value, 'WingswapRouter: EXCESSIVE_INPUT_AMOUNT');
        IWETH(WETH).deposit{value: amounts[0]}();
        assert(IWETH(WETH).transfer(WingswapLibrary.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 (uint i; i < path.length - 1; i++) {
            (address input, address output) = (path[i], path[i + 1]);
            (address token0,) = WingswapLibrary.sortTokens(input, output);
            IWingswapPair pair = IWingswapPair(WingswapLibrary.pairFor(factory, input, output));
            uint amountInput;
            uint amountOutput;
            { // scope to avoid stack too deep errors
            (uint reserve0, uint reserve1,) = pair.getReserves();
            (uint reserveInput, uint reserveOutput) = input == token0 ? (reserve0, reserve1) : (reserve1, reserve0);
            amountInput = IERC20(input).balanceOf(address(pair)).sub(reserveInput);
            amountOutput = WingswapLibrary.getAmountOut(amountInput, reserveInput, reserveOutput);
            }
            (uint amount0Out, uint amount1Out) = input == token0 ? (uint(0), amountOutput) : (amountOutput, uint(0));
            address to = i < path.length - 2 ? WingswapLibrary.pairFor(factory, output, path[i + 2]) : _to;
            pair.swap(amount0Out, amount1Out, to, new bytes(0));
        }
    }
    function swapExactTokensForTokensSupportingFeeOnTransferTokens(
        uint amountIn,
        uint amountOutMin,
        address[] calldata path,
        address to,
        uint deadline
    ) external virtual override ensure(deadline) {
        TransferHelper.safeTransferFrom(
            path[0], msg.sender, WingswapLibrary.pairFor(factory, path[0], path[1]), amountIn
        );
        uint balanceBefore = IERC20(path[path.length - 1]).balanceOf(to);
        _swapSupportingFeeOnTransferTokens(path, to);
        require(
            IERC20(path[path.length - 1]).balanceOf(to).sub(balanceBefore) >= amountOutMin,
            'WingswapRouter: INSUFFICIENT_OUTPUT_AMOUNT'
        );
    }
    function swapExactETHForTokensSupportingFeeOnTransferTokens(
        uint amountOutMin,
        address[] calldata path,
        address to,
        uint deadline
    )
        external
        virtual
        override
        payable
        ensure(deadline)
    {
        require(path[0] == WETH, 'WingswapRouter: INVALID_PATH');
        uint amountIn = msg.value;
        IWETH(WETH).deposit{value: amountIn}();
        assert(IWETH(WETH).transfer(WingswapLibrary.pairFor(factory, path[0], path[1]), amountIn));
        uint balanceBefore = IERC20(path[path.length - 1]).balanceOf(to);
        _swapSupportingFeeOnTransferTokens(path, to);
        require(
            IERC20(path[path.length - 1]).balanceOf(to).sub(balanceBefore) >= amountOutMin,
            'WingswapRouter: INSUFFICIENT_OUTPUT_AMOUNT'
        );
    }
    function swapExactTokensForETHSupportingFeeOnTransferTokens(
        uint amountIn,
        uint amountOutMin,
        address[] calldata path,
        address to,
        uint deadline
    )
        external
        virtual
        override
        ensure(deadline)
    {
        require(path[path.length - 1] == WETH, 'WingswapRouter: INVALID_PATH');
        TransferHelper.safeTransferFrom(
            path[0], msg.sender, WingswapLibrary.pairFor(factory, path[0], path[1]), amountIn
        );
        _swapSupportingFeeOnTransferTokens(path, address(this));
        uint amountOut = IERC20(WETH).balanceOf(address(this));
        require(amountOut >= amountOutMin, 'WingswapRouter: INSUFFICIENT_OUTPUT_AMOUNT');
        IWETH(WETH).withdraw(amountOut);
        TransferHelper.safeTransferETH(to, amountOut);
    }

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

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

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

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

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

File 2 of 10 : IWingswapFactory.sol
pragma solidity >=0.5.0;

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

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

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

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

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

File 3 of 10 : TransferHelper.sol
// SPDX-License-Identifier: GPL-3.0-or-later

pragma solidity >=0.6.0;

// helper methods for interacting with ERC20 tokens and sending ETH that do not consistently return true/false
library TransferHelper {
    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::safeApprove: 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::safeTransfer: 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::transferFrom: transferFrom failed'
        );
    }

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

File 4 of 10 : IWingswapRouter02.sol
pragma solidity >=0.6.2;

import './IWingswapRouter01.sol';

interface IWingswapRouter02 is IWingswapRouter01 {
    function removeLiquidityETHSupportingFeeOnTransferTokens(
        address token,
        uint liquidity,
        uint amountTokenMin,
        uint amountETHMin,
        address to,
        uint deadline
    ) external returns (uint amountETH);
    function removeLiquidityETHWithPermitSupportingFeeOnTransferTokens(
        address token,
        uint liquidity,
        uint amountTokenMin,
        uint amountETHMin,
        address to,
        uint deadline,
        bool approveMax, uint8 v, bytes32 r, bytes32 s
    ) external returns (uint amountETH);

    function swapExactTokensForTokensSupportingFeeOnTransferTokens(
        uint amountIn,
        uint amountOutMin,
        address[] calldata path,
        address to,
        uint deadline
    ) external;
    function swapExactETHForTokensSupportingFeeOnTransferTokens(
        uint amountOutMin,
        address[] calldata path,
        address to,
        uint deadline
    ) external payable;
    function swapExactTokensForETHSupportingFeeOnTransferTokens(
        uint amountIn,
        uint amountOutMin,
        address[] calldata path,
        address to,
        uint deadline
    ) external;
}

File 5 of 10 : WingswapLibrary.sol
pragma solidity >=0.5.0;

import '../interfaces/IWingswapPair.sol';

import "./SafeMath.sol";

library WingswapLibrary {
    using SafeMath for uint;

    // 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, 'WingswapLibrary: IDENTICAL_ADDRESSES');
        (token0, token1) = tokenA < tokenB ? (tokenA, tokenB) : (tokenB, tokenA);
        require(token0 != address(0), 'WingswapLibrary: 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(uint(keccak256(abi.encodePacked(
                hex'ff',
                factory,
                keccak256(abi.encodePacked(token0, token1)),
                hex'196d8949916e7fc6aebea1603f4ded8883b0b0f5fcf1068ae7f6f5b928189f11' // init code hash
            ))));
    }

    // fetches and sorts the reserves for a pair
    function getReserves(address factory, address tokenA, address tokenB) internal view returns (uint reserveA, uint reserveB) {
        (address token0,) = sortTokens(tokenA, tokenB);
        (uint reserve0, uint reserve1,) = IWingswapPair(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(uint amountA, uint reserveA, uint reserveB) internal pure returns (uint amountB) {
        require(amountA > 0, 'WingswapLibrary: INSUFFICIENT_AMOUNT');
        require(reserveA > 0 && reserveB > 0, 'WingswapLibrary: 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(uint amountIn, uint reserveIn, uint reserveOut) internal pure returns (uint amountOut) {
        require(amountIn > 0, 'WingswapLibrary: INSUFFICIENT_INPUT_AMOUNT');
        require(reserveIn > 0 && reserveOut > 0, 'WingswapLibrary: INSUFFICIENT_LIQUIDITY');
        uint amountInWithFee = amountIn.mul(997);
        uint numerator = amountInWithFee.mul(reserveOut);
        uint 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(uint amountOut, uint reserveIn, uint reserveOut) internal pure returns (uint amountIn) {
        require(amountOut > 0, 'WingswapLibrary: INSUFFICIENT_OUTPUT_AMOUNT');
        require(reserveIn > 0 && reserveOut > 0, 'WingswapLibrary: INSUFFICIENT_LIQUIDITY');
        uint numerator = reserveIn.mul(amountOut).mul(1000);
        uint denominator = reserveOut.sub(amountOut).mul(997);
        amountIn = (numerator / denominator).add(1);
    }

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

File 6 of 10 : SafeMath.sol
pragma solidity =0.6.6;

// 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');
    }
}

File 7 of 10 : IERC20.sol
pragma solidity >=0.5.0;

interface IERC20 {
    event Approval(address indexed owner, address indexed spender, uint value);
    event Transfer(address indexed from, address indexed to, uint value);

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

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

File 8 of 10 : IWETH.sol
pragma solidity >=0.5.0;

interface IWETH {
    function deposit() external payable;
    function transfer(address to, uint value) external returns (bool);
    function withdraw(uint) external;
}

File 9 of 10 : IWingswapRouter01.sol
pragma solidity >=0.6.2;

interface IWingswapRouter01 {
    function factory() external pure returns (address);
    function WETH() external pure returns (address);

    function addLiquidity(
        address tokenA,
        address tokenB,
        uint amountADesired,
        uint amountBDesired,
        uint amountAMin,
        uint amountBMin,
        address to,
        uint deadline
    ) external returns (uint amountA, uint amountB, uint liquidity);
    function addLiquidityETH(
        address token,
        uint amountTokenDesired,
        uint amountTokenMin,
        uint amountETHMin,
        address to,
        uint deadline
    ) external payable returns (uint amountToken, uint amountETH, uint liquidity);
    function removeLiquidity(
        address tokenA,
        address tokenB,
        uint liquidity,
        uint amountAMin,
        uint amountBMin,
        address to,
        uint deadline
    ) external returns (uint amountA, uint amountB);
    function removeLiquidityETH(
        address token,
        uint liquidity,
        uint amountTokenMin,
        uint amountETHMin,
        address to,
        uint deadline
    ) external returns (uint amountToken, uint amountETH);
    function removeLiquidityWithPermit(
        address tokenA,
        address tokenB,
        uint liquidity,
        uint amountAMin,
        uint amountBMin,
        address to,
        uint deadline,
        bool approveMax, uint8 v, bytes32 r, bytes32 s
    ) external returns (uint amountA, uint amountB);
    function removeLiquidityETHWithPermit(
        address token,
        uint liquidity,
        uint amountTokenMin,
        uint amountETHMin,
        address to,
        uint deadline,
        bool approveMax, uint8 v, bytes32 r, bytes32 s
    ) external returns (uint amountToken, uint amountETH);
    function swapExactTokensForTokens(
        uint amountIn,
        uint amountOutMin,
        address[] calldata path,
        address to,
        uint deadline
    ) external returns (uint[] memory amounts);
    function swapTokensForExactTokens(
        uint amountOut,
        uint amountInMax,
        address[] calldata path,
        address to,
        uint deadline
    ) external returns (uint[] memory amounts);
    function swapExactETHForTokens(uint amountOutMin, address[] calldata path, address to, uint deadline)
        external
        payable
        returns (uint[] memory amounts);
    function swapTokensForExactETH(uint amountOut, uint amountInMax, address[] calldata path, address to, uint deadline)
        external
        returns (uint[] memory amounts);
    function swapExactTokensForETH(uint amountIn, uint amountOutMin, address[] calldata path, address to, uint deadline)
        external
        returns (uint[] memory amounts);
    function swapETHForExactTokens(uint amountOut, address[] calldata path, address to, uint deadline)
        external
        payable
        returns (uint[] memory amounts);

    function quote(uint amountA, uint reserveA, uint reserveB) external pure returns (uint amountB);
    function getAmountOut(uint amountIn, uint reserveIn, uint reserveOut) external pure returns (uint amountOut);
    function getAmountIn(uint amountOut, uint reserveIn, uint reserveOut) external pure returns (uint amountIn);
    function getAmountsOut(uint amountIn, address[] calldata path) external view returns (uint[] memory amounts);
    function getAmountsIn(uint amountOut, address[] calldata path) external view returns (uint[] memory amounts);
}

File 10 of 10 : IWingswapPair.sol
pragma solidity >=0.5.0;

interface IWingswapPair {
    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 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;
}

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

Contract Security Audit

Contract ABI

[{"inputs":[{"internalType":"address","name":"_factory","type":"address"},{"internalType":"address","name":"_WETH","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[],"name":"WETH","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":[],"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":"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":"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":"uint256","name":"amountInMax","type":"uint256"},{"internalType":"address[]","name":"path","type":"address[]"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"deadline","type":"uint256"}],"name":"swapTokensForExactETH","outputs":[{"internalType":"uint256[]","name":"amounts","type":"uint256[]"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"amountOut","type":"uint256"},{"internalType":"uint256","name":"amountInMax","type":"uint256"},{"internalType":"address[]","name":"path","type":"address[]"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"deadline","type":"uint256"}],"name":"swapTokensForExactTokens","outputs":[{"internalType":"uint256[]","name":"amounts","type":"uint256[]"}],"stateMutability":"nonpayable","type":"function"},{"stateMutability":"payable","type":"receive"}]

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Constructor Arguments (ABI-Encoded and is the last bytes of the Contract Creation Code above)

000000000000000000000000c0719a9a35a2d9ebbfdf1c6d383a5e8e7b2ef7a800000000000000000000000021be370d5312f44cb42ce377bc9b8a0cef1a4c83

-----Decoded View---------------
Arg [0] : _factory (address): 0xc0719a9a35a2d9ebbfdf1c6d383a5e8e7b2ef7a8
Arg [1] : _WETH (address): 0x21be370d5312f44cb42ce377bc9b8a0cef1a4c83

-----Encoded View---------------
2 Constructor Arguments found :
Arg [0] : 000000000000000000000000c0719a9a35a2d9ebbfdf1c6d383a5e8e7b2ef7a8
Arg [1] : 00000000000000000000000021be370d5312f44cb42ce377bc9b8a0cef1a4c83


Block Transaction Gas Used Reward
Age Block Fee Address BC Fee Address Voting Power Jailed Incoming
Validator ID :
0 FTM

Amount Staked
0

Amount Delegated
0

Staking Total
0

Staking Start Epoch
0

Staking Start Time
0

Proof of Importance
0

Origination Score
0

Validation Score
0

Active
0

Online
0

Downtime
0 s
Address Amount claimed Rewards Created On Epoch Created On
Block Uncle Number Difficulty Gas Used Reward
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