Contract 0xaa9c15cd603428ca8ddd45e933f8efe3afbcc173 2

// SPDX-License-Identifier: MIT
pragma solidity =0.8.14;

// OpenZeppelin Contracts
import {IERC20} from "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import {Ownable} from "@openzeppelin/contracts/access/Ownable.sol";
import {ReentrancyGuard} from "@openzeppelin/contracts/security/ReentrancyGuard.sol";
import {EnumerableSet} from "@openzeppelin/contracts/utils/structs/EnumerableSet.sol";
import {ICommonOFT, IOFTWithFee} from "@layerzerolabs/solidity-examples/contracts/token/oft/v2/fee/IOFTWithFee.sol";

// Local Contracts
import {IWETH} from "./interfaces/IWETH.sol";
import {IWooCrossChainRouterV2} from "./interfaces/IWooCrossChainRouterV2.sol";
import {IWooRouterV2} from "./interfaces/IWooRouterV2.sol";
import {IStargateEthVault} from "./interfaces/Stargate/IStargateEthVault.sol";
import {IStargateRouter} from "./interfaces/Stargate/IStargateRouter.sol";
import {ILzApp} from "./interfaces/LayerZero/ILzApp.sol";

import {TransferHelper} from "./libraries/TransferHelper.sol";

/// @title WOOFi cross chain router implementation.
/// @notice Router for stateless execution of cross chain swap against WOOFi private pool.
/// @custom:stargate-contracts https://stargateprotocol.gitbook.io/stargate/developers/contract-addresses/mainnet
contract WooCrossChainRouterV2 is IWooCrossChainRouterV2, Ownable, ReentrancyGuard {
    using EnumerableSet for EnumerableSet.AddressSet;

    /* ----- Constants ----- */

    address public constant ETH_PLACEHOLDER_ADDR = 0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE;

    /* ----- Variables ----- */

    IWooRouterV2 public wooRouter;
    IStargateRouter public stargateRouter;

    address public immutable weth;
    uint256 public bridgeSlippage; // 1 in 10000th: default 1%
    uint256 public dstGasForSwapCall;
    uint256 public dstGasForNoSwapCall;

    uint16 public sgChainIdLocal; // Stargate chainId on local chain

    mapping(uint16 => address) public wooCrossChainRouters; // chainId => WooCrossChainRouter address
    mapping(uint16 => address) public sgETHs; // chainId => SGETH token address
    mapping(uint16 => mapping(address => uint256)) public sgPoolIds; // chainId => token address => Stargate poolId

    mapping(address => address) public tokenToOFTs; // token address(sgChainIdLocal) => OFT address

    EnumerableSet.AddressSet private directBridgeTokens;

    receive() external payable {}

    constructor(
        address _weth,
        address _wooRouter,
        address _stargateRouter,
        uint16 _sgChainIdLocal
    ) {
        wooRouter = IWooRouterV2(_wooRouter);
        stargateRouter = IStargateRouter(_stargateRouter);

        weth = _weth;
        bridgeSlippage = 100;
        dstGasForSwapCall = 360000;
        dstGasForNoSwapCall = 80000;

        sgChainIdLocal = _sgChainIdLocal;

        _initSgETHs();
        _initSgPoolIds();
        _initTokenToOFTs(_sgChainIdLocal);
    }

    /* ----- Functions ----- */

    function crossSwap(
        uint256 refId,
        address payable to,
        SrcInfos memory srcInfos,
        DstInfos memory dstInfos
    ) external payable nonReentrant {
        require(srcInfos.fromToken != address(0), "WooCrossChainRouterV2: !srcInfos.fromToken");
        require(
            dstInfos.toToken != address(0) && dstInfos.toToken != sgETHs[dstInfos.chainId],
            "WooCrossChainRouterV2: !dstInfos.toToken"
        );
        require(to != address(0), "WooCrossChainRouterV2: !to");

        uint256 msgValue = msg.value;
        uint256 bridgeAmount;

        {
            // Step 1: transfer
            if (srcInfos.fromToken == ETH_PLACEHOLDER_ADDR) {
                require(srcInfos.fromAmount <= msgValue, "WooCrossChainRouterV2: !srcInfos.fromAmount");
                srcInfos.fromToken = weth;
                IWETH(weth).deposit{value: srcInfos.fromAmount}();
                msgValue -= srcInfos.fromAmount;
            } else {
                TransferHelper.safeTransferFrom(srcInfos.fromToken, msg.sender, address(this), srcInfos.fromAmount);
            }

            // Step 2: local swap by WooRouter or not
            // 1.WOO is directBridgeToken, path(always) WOO(Arbitrum) => WOO(BSC)
            // 2.WOO not the directBridgeToken, path(maybe): WOO(Arbitrum) -> USDC(Arbitrum) => BUSD(BSC) -> WOO(BSC)
            // 3.Ethereum no WOOFi liquidity, tokens(WOO, ETH, USDC) always will be bridged directly without swap
            if (!directBridgeTokens.contains(srcInfos.fromToken) && srcInfos.fromToken != srcInfos.bridgeToken) {
                TransferHelper.safeApprove(srcInfos.fromToken, address(wooRouter), srcInfos.fromAmount);
                bridgeAmount = wooRouter.swap(
                    srcInfos.fromToken,
                    srcInfos.bridgeToken,
                    srcInfos.fromAmount,
                    srcInfos.minBridgeAmount,
                    payable(address(this)),
                    to
                );
            } else {
                require(
                    srcInfos.fromAmount == srcInfos.minBridgeAmount,
                    "WooCrossChainRouterV2: !srcInfos.minBridgeAmount"
                );
                bridgeAmount = srcInfos.fromAmount;
            }

            require(
                bridgeAmount <= IERC20(srcInfos.bridgeToken).balanceOf(address(this)),
                "WooCrossChainRouterV2: !bridgeAmount"
            );
        }

        // Step 3: cross chain swap by [OFT / StargateRouter]
        address oft = tokenToOFTs[srcInfos.bridgeToken];
        if (oft != address(0)) {
            _bridgeByOFT(refId, to, msgValue, bridgeAmount, IOFTWithFee(oft), srcInfos, dstInfos);
        } else {
            _bridgeByStargate(refId, to, msgValue, bridgeAmount, srcInfos, dstInfos);
        }

        emit WooCrossSwapOnSrcChain(
            refId,
            _msgSender(),
            to,
            srcInfos.fromToken,
            srcInfos.fromAmount,
            srcInfos.minBridgeAmount,
            bridgeAmount
        );
    }

    function onOFTReceived(
        uint16 srcChainId,
        bytes memory, // srcAddress
        uint64, // nonce
        bytes32 from,
        uint256 amountLD,
        bytes memory payload
    ) external {
        require(_isLegitOFT(_msgSender()), "WooCrossChainRouterV2: INVALID_CALLER");
        require(
            wooCrossChainRouters[srcChainId] == address(uint160(uint256(from))),
            "WooCrossChainRouterV2: INVALID_FROM"
        );

        // _msgSender() should be OFT address if requires above are passed
        address bridgedToken = IOFTWithFee(_msgSender()).token();

        // make sure the same order to abi.encode when decode payload
        (uint256 refId, address to, address toToken, uint256 minToAmount) = abi.decode(
            payload,
            (uint256, address, address, uint256)
        );

        _handleERC20Received(refId, to, toToken, bridgedToken, amountLD, minToAmount);
    }

    function sgReceive(
        uint16, // srcChainId
        bytes memory, // srcAddress
        uint256, // nonce
        address bridgedToken,
        uint256 amountLD,
        bytes memory payload
    ) external {
        require(msg.sender == address(stargateRouter), "WooCrossChainRouterV2: INVALID_CALLER");

        // make sure the same order to abi.encode when decode payload
        (uint256 refId, address to, address toToken, uint256 minToAmount) = abi.decode(
            payload,
            (uint256, address, address, uint256)
        );

        // toToken won't be SGETH, and bridgedToken won't be ETH_PLACEHOLDER_ADDR
        if (bridgedToken == sgETHs[sgChainIdLocal]) {
            // bridgedToken is SGETH, received native token
            _handleNativeReceived(refId, to, toToken, amountLD, minToAmount);
        } else {
            // bridgedToken is not SGETH, received ERC20 token
            _handleERC20Received(refId, to, toToken, bridgedToken, amountLD, minToAmount);
        }
    }

    function quoteLayerZeroFee(
        uint256 refId,
        address to,
        SrcInfos memory srcInfos,
        DstInfos memory dstInfos
    ) external view returns (uint256, uint256) {
        bytes memory payload = abi.encode(refId, to, dstInfos.toToken, dstInfos.minToAmount);

        address oft = tokenToOFTs[srcInfos.bridgeToken];
        if (oft != address(0)) {
            // bridge via OFT if it's OFT
            uint256 dstGasForCall = _getDstGasForCall(dstInfos);
            bytes memory adapterParams = _getAdapterParams(to, oft, dstGasForCall, dstInfos);

            bool useZro = false;
            bytes32 dstWooCrossChainRouter = bytes32(uint256(uint160(wooCrossChainRouters[dstInfos.chainId])));

            return
                IOFTWithFee(oft).estimateSendAndCallFee(
                    dstInfos.chainId,
                    dstWooCrossChainRouter,
                    srcInfos.minBridgeAmount,
                    payload,
                    uint64(dstGasForCall),
                    useZro,
                    adapterParams
                );
        } else {
            // otherwise bridge via Stargate
            IStargateRouter.lzTxObj memory obj = _getLzTxObj(to, dstInfos);

            return
                stargateRouter.quoteLayerZeroFee(
                    dstInfos.chainId,
                    1, // https://stargateprotocol.gitbook.io/stargate/developers/function-types
                    obj.dstNativeAddr,
                    payload,
                    obj
                );
        }
    }

    function allDirectBridgeTokens() external view returns (address[] memory) {
        uint256 length = directBridgeTokens.length();
        address[] memory tokens = new address[](length);
        unchecked {
            for (uint256 i = 0; i < length; ++i) {
                tokens[i] = directBridgeTokens.at(i);
            }
        }
        return tokens;
    }

    function allDirectBridgeTokensLength() external view returns (uint256) {
        return directBridgeTokens.length();
    }

    function _initSgETHs() internal {
        // Ethereum
        sgETHs[101] = 0x72E2F4830b9E45d52F80aC08CB2bEC0FeF72eD9c;
        // Arbitrum
        sgETHs[110] = 0x82CbeCF39bEe528B5476FE6d1550af59a9dB6Fc0;
        // Optimism
        sgETHs[111] = 0xb69c8CBCD90A39D8D3d3ccf0a3E968511C3856A0;
    }

    function _initSgPoolIds() internal {
        // poolId > 0 means able to be bridge token
        // Ethereum
        sgPoolIds[101][0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48] = 1; // USDC
        sgPoolIds[101][0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2] = 13; // WETH
        sgPoolIds[101][0x4691937a7508860F876c9c0a2a617E7d9E945D4B] = 20; // WOO
        // BNB Chain
        sgPoolIds[102][0x55d398326f99059fF775485246999027B3197955] = 2; // USDT
        sgPoolIds[102][0xe9e7CEA3DedcA5984780Bafc599bD69ADd087D56] = 5; // BUSD
        sgPoolIds[102][0x4691937a7508860F876c9c0a2a617E7d9E945D4B] = 20; // WOO
        // Avalanche
        sgPoolIds[106][0xB97EF9Ef8734C71904D8002F8b6Bc66Dd9c48a6E] = 1; // USDC
        sgPoolIds[106][0x9702230A8Ea53601f5cD2dc00fDBc13d4dF4A8c7] = 2; // USDT
        sgPoolIds[106][0xaBC9547B534519fF73921b1FBA6E672b5f58D083] = 20; // WOO
        // Polygon
        sgPoolIds[109][0x2791Bca1f2de4661ED88A30C99A7a9449Aa84174] = 1; // USDC
        sgPoolIds[109][0xc2132D05D31c914a87C6611C10748AEb04B58e8F] = 2; // USDT
        sgPoolIds[109][0x1B815d120B3eF02039Ee11dC2d33DE7aA4a8C603] = 20; // WOO
        // Arbitrum
        sgPoolIds[110][0xFF970A61A04b1cA14834A43f5dE4533eBDDB5CC8] = 1; // USDC
        sgPoolIds[110][0xFd086bC7CD5C481DCC9C85ebE478A1C0b69FCbb9] = 2; // USDT
        sgPoolIds[110][0x82aF49447D8a07e3bd95BD0d56f35241523fBab1] = 13; // WETH
        sgPoolIds[110][0xcAFcD85D8ca7Ad1e1C6F82F651fA15E33AEfD07b] = 20; // WOO
        // Optimism
        sgPoolIds[111][0x7F5c764cBc14f9669B88837ca1490cCa17c31607] = 1; // USDC
        sgPoolIds[111][0x4200000000000000000000000000000000000006] = 13; // WETH
        sgPoolIds[111][0x871f2F2ff935FD1eD867842FF2a7bfD051A5E527] = 20; // WOO
        // Fantom
        sgPoolIds[112][0x04068DA6C83AFCFA0e13ba15A6696662335D5B75] = 1; // USDC
        sgPoolIds[112][0x6626c47c00F1D87902fc13EECfaC3ed06D5E8D8a] = 20; // WOO
    }

    function _initTokenToOFTs(uint16 _sgChainIdLocal) internal {
        address btcbOFT = 0x2297aEbD383787A160DD0d9F71508148769342E3; // BTCbOFT && BTCbProxyOFT

        if (_sgChainIdLocal == 106) {
            // BTC.b(ERC20) on Avalanche address
            tokenToOFTs[0x152b9d0FdC40C096757F570A51E494bd4b943E50] = btcbOFT;
        }
        tokenToOFTs[btcbOFT] = btcbOFT;
    }

    function _getDstGasForCall(DstInfos memory dstInfos) internal view returns (uint256) {
        return (dstInfos.toToken == dstInfos.bridgeToken) ? dstGasForNoSwapCall : dstGasForSwapCall;
    }

    function _getAdapterParams(
        address to,
        address oft,
        uint256 dstGasForCall,
        DstInfos memory dstInfos
    ) internal view returns (bytes memory) {
        // OFT src logic: require(providedGasLimit >= minGasLimit)
        // uint256 minGasLimit = minDstGasLookup[_dstChainId][_type] + dstGasForCall;
        // _type: 0(send), 1(send_and_call)
        uint256 providedGasLimit = ILzApp(oft).minDstGasLookup(dstInfos.chainId, 1) + dstGasForCall;

        // https://layerzero.gitbook.io/docs/evm-guides/advanced/relayer-adapter-parameters#airdrop
        return
            abi.encodePacked(
                uint16(2), // version: 2 is able to airdrop native token on destination but 1 is not
                providedGasLimit, // gasAmount: destination transaction gas for LayerZero to delivers
                dstInfos.airdropNativeAmount, // nativeForDst: airdrop native token amount
                to // addressOnDst: address to receive airdrop native token on destination
            );
    }

    function _getLzTxObj(address to, DstInfos memory dstInfos) internal view returns (IStargateRouter.lzTxObj memory) {
        uint256 dstGasForCall = _getDstGasForCall(dstInfos);

        return IStargateRouter.lzTxObj(dstGasForCall, dstInfos.airdropNativeAmount, abi.encodePacked(to));
    }

    function _isLegitOFT(address caller) internal view returns (bool) {
        return tokenToOFTs[caller] != address(0);
    }

    function _bridgeByOFT(
        uint256 refId,
        address payable to,
        uint256 msgValue,
        uint256 bridgeAmount,
        IOFTWithFee oft,
        SrcInfos memory srcInfos,
        DstInfos memory dstInfos
    ) internal {
        {
            address token = oft.token();
            require(token == srcInfos.bridgeToken, "WooCrossChainRouterV2: !token");
            if (token != address(oft)) {
                // oft.token() != address(oft) means is a ProxyOFT
                // for example: BTC.b on Avalanche is ERC20, need BTCbProxyOFT to lock up BTC.b
                TransferHelper.safeApprove(srcInfos.bridgeToken, address(oft), bridgeAmount);
            }
        }

        // OFT src logic: require(_removeDust(bridgeAmount) >= minAmount)
        uint256 minAmount = (bridgeAmount * (10000 - bridgeSlippage)) / 10000;

        bytes memory payload = abi.encode(refId, to, dstInfos.toToken, dstInfos.minToAmount);

        uint256 dstGasForCall = _getDstGasForCall(dstInfos);
        ICommonOFT.LzCallParams memory callParams;
        {
            bytes memory adapterParams = _getAdapterParams(to, address(oft), dstGasForCall, dstInfos);
            callParams = ICommonOFT.LzCallParams(
                payable(msg.sender), // refundAddress
                address(0), // zroPaymentAddress
                adapterParams //adapterParams
            );
        }

        bytes32 dstWooCrossChainRouter = bytes32(uint256(uint160(wooCrossChainRouters[dstInfos.chainId])));

        oft.sendAndCall{value: msgValue}(
            address(this),
            dstInfos.chainId,
            dstWooCrossChainRouter,
            bridgeAmount,
            minAmount,
            payload,
            uint64(dstGasForCall),
            callParams
        );
    }

    function _bridgeByStargate(
        uint256 refId,
        address payable to,
        uint256 msgValue,
        uint256 bridgeAmount,
        SrcInfos memory srcInfos,
        DstInfos memory dstInfos
    ) internal {
        uint256 srcPoolId = sgPoolIds[sgChainIdLocal][srcInfos.bridgeToken];
        require(srcPoolId > 0, "WooCrossChainRouterV2: !srcInfos.bridgeToken");

        uint256 dstPoolId = sgPoolIds[dstInfos.chainId][dstInfos.bridgeToken];
        require(dstPoolId > 0, "WooCrossChainRouterV2: !dstInfos.bridgeToken");

        bytes memory payload = abi.encode(refId, to, dstInfos.toToken, dstInfos.minToAmount);

        uint256 dstMinBridgeAmount = (bridgeAmount * (10000 - bridgeSlippage)) / 10000;
        bytes memory dstWooCrossChainRouter = abi.encodePacked(wooCrossChainRouters[dstInfos.chainId]);

        IStargateRouter.lzTxObj memory obj = _getLzTxObj(to, dstInfos);

        if (srcInfos.bridgeToken == weth) {
            IWETH(weth).withdraw(bridgeAmount);
            address sgETH = sgETHs[sgChainIdLocal];
            IStargateEthVault(sgETH).deposit{value: bridgeAmount}(); // logic from Stargate RouterETH.sol
            TransferHelper.safeApprove(sgETH, address(stargateRouter), bridgeAmount);
        } else {
            TransferHelper.safeApprove(srcInfos.bridgeToken, address(stargateRouter), bridgeAmount);
        }

        stargateRouter.swap{value: msgValue}(
            dstInfos.chainId, // dst chain id
            srcPoolId, // bridge token's pool id on src chain
            dstPoolId, // bridge token's pool id on dst chain
            payable(_msgSender()), // rebate address
            bridgeAmount, // swap amount on src chain
            dstMinBridgeAmount, // min received amount on dst chain
            obj, // config: dstGasForCall, dstAirdropNativeAmount, dstReceiveAirdropNativeTokenAddr
            dstWooCrossChainRouter, // smart contract to call on dst chain
            payload // payload to piggyback
        );
    }

    function _handleNativeReceived(
        uint256 refId,
        address to,
        address toToken,
        uint256 bridgedAmount,
        uint256 minToAmount
    ) internal {
        address msgSender = _msgSender();

        if (toToken == ETH_PLACEHOLDER_ADDR) {
            TransferHelper.safeTransferETH(to, bridgedAmount);
            emit WooCrossSwapOnDstChain(
                refId,
                msgSender,
                to,
                weth,
                bridgedAmount,
                toToken,
                ETH_PLACEHOLDER_ADDR,
                minToAmount,
                bridgedAmount
            );
        } else {
            try
                wooRouter.swap{value: bridgedAmount}(
                    ETH_PLACEHOLDER_ADDR,
                    toToken,
                    bridgedAmount,
                    minToAmount,
                    payable(to),
                    to
                )
            returns (uint256 realToAmount) {
                emit WooCrossSwapOnDstChain(
                    refId,
                    msgSender,
                    to,
                    weth,
                    bridgedAmount,
                    toToken,
                    toToken,
                    minToAmount,
                    realToAmount
                );
            } catch {
                TransferHelper.safeTransferETH(to, bridgedAmount);
                emit WooCrossSwapOnDstChain(
                    refId,
                    msgSender,
                    to,
                    weth,
                    bridgedAmount,
                    toToken,
                    ETH_PLACEHOLDER_ADDR,
                    minToAmount,
                    bridgedAmount
                );
            }
        }
    }

    function _handleERC20Received(
        uint256 refId,
        address to,
        address toToken,
        address bridgedToken,
        uint256 bridgedAmount,
        uint256 minToAmount
    ) internal {
        address msgSender = _msgSender();

        if (toToken == bridgedToken) {
            TransferHelper.safeTransfer(bridgedToken, to, bridgedAmount);
            emit WooCrossSwapOnDstChain(
                refId,
                msgSender,
                to,
                bridgedToken,
                bridgedAmount,
                toToken,
                toToken,
                minToAmount,
                bridgedAmount
            );
        } else {
            TransferHelper.safeApprove(bridgedToken, address(wooRouter), bridgedAmount);
            try wooRouter.swap(bridgedToken, toToken, bridgedAmount, minToAmount, payable(to), to) returns (
                uint256 realToAmount
            ) {
                emit WooCrossSwapOnDstChain(
                    refId,
                    msgSender,
                    to,
                    bridgedToken,
                    bridgedAmount,
                    toToken,
                    toToken,
                    minToAmount,
                    realToAmount
                );
            } catch {
                TransferHelper.safeTransfer(bridgedToken, to, bridgedAmount);
                emit WooCrossSwapOnDstChain(
                    refId,
                    msgSender,
                    to,
                    bridgedToken,
                    bridgedAmount,
                    toToken,
                    bridgedToken,
                    minToAmount,
                    bridgedAmount
                );
            }
        }
    }

    /* ----- Owner & Admin Functions ----- */

    function setWooRouter(address _wooRouter) external onlyOwner {
        require(_wooRouter != address(0), "WooCrossChainRouterV2: !_wooRouter");
        wooRouter = IWooRouterV2(_wooRouter);
    }

    function setStargateRouter(address _stargateRouter) external onlyOwner {
        require(_stargateRouter != address(0), "WooCrossChainRouterV2: !_stargateRouter");
        stargateRouter = IStargateRouter(_stargateRouter);
    }

    function setBridgeSlippage(uint256 _bridgeSlippage) external onlyOwner {
        require(_bridgeSlippage <= 10000, "WooCrossChainRouterV2: !_bridgeSlippage");
        bridgeSlippage = _bridgeSlippage;
    }

    function setDstGasForSwapCall(uint256 _dstGasForSwapCall) external onlyOwner {
        dstGasForSwapCall = _dstGasForSwapCall;
    }

    function setDstGasForNoSwapCall(uint256 _dstGasForNoSwapCall) external onlyOwner {
        dstGasForNoSwapCall = _dstGasForNoSwapCall;
    }

    function setSgChainIdLocal(uint16 _sgChainIdLocal) external onlyOwner {
        sgChainIdLocal = _sgChainIdLocal;
    }

    function setWooCrossChainRouter(uint16 chainId, address wooCrossChainRouter) external onlyOwner {
        require(wooCrossChainRouter != address(0), "WooCrossChainRouterV2: !wooCrossChainRouter");
        wooCrossChainRouters[chainId] = wooCrossChainRouter;
    }

    function setSgETH(uint16 chainId, address token) external onlyOwner {
        require(token != address(0), "WooCrossChainRouterV2: !token");
        sgETHs[chainId] = token;
    }

    function setSgPoolId(
        uint16 chainId,
        address token,
        uint256 poolId
    ) external onlyOwner {
        sgPoolIds[chainId][token] = poolId;
    }

    function setTokenToOFT(address token, address oft) external onlyOwner {
        tokenToOFTs[token] = oft;
    }

    function addDirectBridgeToken(address token) external onlyOwner {
        bool success = directBridgeTokens.add(token);
        require(success, "WooCrossChainRouterV2: token exist");
    }

    function removeDirectBridgeToken(address token) external onlyOwner {
        bool success = directBridgeTokens.remove(token);
        require(success, "WooCrossChainRouterV2: token not exist");
    }

    function inCaseTokenGotStuck(address stuckToken) external onlyOwner {
        if (stuckToken == ETH_PLACEHOLDER_ADDR) {
            TransferHelper.safeTransferETH(msg.sender, address(this).balance);
        } else {
            uint256 amount = IERC20(stuckToken).balanceOf(address(this));
            TransferHelper.safeTransfer(stuckToken, msg.sender, amount);
        }
    }
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

/// @title Wrapped ETH.
interface IWETH {
    /// @dev Deposit ETH into WETH
    function deposit() external payable;

    /// @dev Transfer WETH to receiver
    /// @param to address of WETH receiver
    /// @param value amount of WETH to transfer
    /// @return get true when succeed, else false
    function transfer(address to, uint256 value) external returns (bool);

    /// @dev Withdraw WETH to ETH
    function withdraw(uint256) external;
}

// SPDX-License-Identifier: MIT
pragma solidity =0.8.14;

/*

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░░████╔═████║░██║░░██║██║░░██║╚════╝██╔══╝░░██║
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*
* MIT License
* ===========
*
* Copyright (c) 2020 WooTrade
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/

import "../interfaces/IWooPPV2.sol";

/// @title Woo router interface (version 2)
/// @notice functions to interface with WooFi swap
interface IWooRouterV2 {
    /* ----- Type declarations ----- */

    enum SwapType {
        WooSwap,
        DodoSwap
    }

    /* ----- Events ----- */

    event WooRouterSwap(
        SwapType swapType,
        address indexed fromToken,
        address indexed toToken,
        uint256 fromAmount,
        uint256 toAmount,
        address from,
        address indexed to,
        address rebateTo
    );

    event WooPoolChanged(address newPool);

    /* ----- Router properties ----- */

    function WETH() external view returns (address);

    function wooPool() external view returns (IWooPPV2);

    /* ----- Main query & swap APIs ----- */

    /// @notice query the amount to swap fromToken -> toToken
    /// @param fromToken the from token
    /// @param toToken the to token
    /// @param fromAmount the amount of fromToken to swap
    /// @return toAmount the predicted amount to receive
    function querySwap(
        address fromToken,
        address toToken,
        uint256 fromAmount
    ) external view returns (uint256 toAmount);

    /// @notice query the amount to swap fromToken -> toToken,
    ///     WITHOUT checking the reserve balance; so it
    ///     always returns the quoted amount (for reference).
    /// @param fromToken the from token
    /// @param toToken the to token
    /// @param fromAmount the amount of fromToken to swap
    /// @return toAmount the predicted amount to receive
    function tryQuerySwap(
        address fromToken,
        address toToken,
        uint256 fromAmount
    ) external view returns (uint256 toAmount);

    /// @notice Swap `fromToken` to `toToken`.
    /// @param fromToken the from token
    /// @param toToken the to token
    /// @param fromAmount the amount of `fromToken` to swap
    /// @param minToAmount the minimum amount of `toToken` to receive
    /// @param to the destination address
    /// @param rebateTo the rebate address (optional, can be 0)
    /// @return realToAmount the amount of toToken to receive
    function swap(
        address fromToken,
        address toToken,
        uint256 fromAmount,
        uint256 minToAmount,
        address payable to,
        address rebateTo
    ) external payable returns (uint256 realToAmount);

    /* ----- 3rd party DEX swap ----- */

    /// @notice swap fromToken -> toToken via an external 3rd swap
    /// @param approveTarget the contract address for token transfer approval
    /// @param swapTarget the contract address for swap
    /// @param fromToken the from token
    /// @param toToken the to token
    /// @param fromAmount the amount of fromToken to swap
    /// @param minToAmount the min amount of swapped toToken
    /// @param to the destination address
    /// @param data call data for external call
    function externalSwap(
        address approveTarget,
        address swapTarget,
        address fromToken,
        address toToken,
        uint256 fromAmount,
        uint256 minToAmount,
        address payable to,
        bytes calldata data
    ) external payable returns (uint256 realToAmount);
}

// SPDX-License-Identifier: MIT
pragma solidity =0.8.14;

/*

░██╗░░░░░░░██╗░█████╗░░█████╗░░░░░░░███████╗██╗
░██║░░██╗░░██║██╔══██╗██╔══██╗░░░░░░██╔════╝██║
░╚██╗████╗██╔╝██║░░██║██║░░██║█████╗█████╗░░██║
░░████╔═████║░██║░░██║██║░░██║╚════╝██╔══╝░░██║
░░╚██╔╝░╚██╔╝░╚█████╔╝╚█████╔╝░░░░░░██║░░░░░██║
░░░╚═╝░░░╚═╝░░░╚════╝░░╚════╝░░░░░░░╚═╝░░░░░╚═╝

*
* MIT License
* ===========
*
* Copyright (c) 2020 WooTrade
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/

/// @title WOOFi cross chain router interface (version 2).
/// @notice functions to interface with WOOFi cross chain swap.
interface IWooCrossChainRouterV2 {
    /* ----- Structs ----- */

    struct SrcInfos {
        address fromToken;
        address bridgeToken;
        uint256 fromAmount;
        uint256 minBridgeAmount;
    }

    struct DstInfos {
        uint16 chainId;
        address toToken;
        address bridgeToken;
        uint256 minToAmount;
        uint256 airdropNativeAmount;
    }

    /* ----- Events ----- */

    event WooCrossSwapOnSrcChain(
        uint256 indexed refId,
        address indexed sender,
        address indexed to,
        address fromToken,
        uint256 fromAmount,
        uint256 minBridgeAmount,
        uint256 realBridgeAmount
    );

    event WooCrossSwapOnDstChain(
        uint256 indexed refId,
        address indexed sender,
        address indexed to,
        address bridgedToken,
        uint256 bridgedAmount,
        address toToken,
        address realToToken,
        uint256 minToAmount,
        uint256 realToAmount
    );

    /* ----- State Variables ----- */

    function weth() external view returns (address);

    function bridgeSlippage() external view returns (uint256);

    function dstGasForSwapCall() external view returns (uint256);

    function dstGasForNoSwapCall() external view returns (uint256);

    function sgChainIdLocal() external view returns (uint16);

    function wooCrossChainRouters(uint16 chainId) external view returns (address wooCrossChainRouter);

    function sgETHs(uint16 chainId) external view returns (address sgETH);

    function sgPoolIds(uint16 chainId, address token) external view returns (uint256 poolId);

    /* ----- Functions ----- */

    function crossSwap(
        uint256 refId,
        address payable to,
        SrcInfos memory srcInfos,
        DstInfos memory dstInfos
    ) external payable;

    function sgReceive(
        uint16 srcChainId,
        bytes memory srcAddress,
        uint256 nonce,
        address bridgedToken,
        uint256 amountLD,
        bytes memory payload
    ) external;

    function quoteLayerZeroFee(
        uint256 refId,
        address to,
        SrcInfos memory srcInfos,
        DstInfos memory dstInfos
    ) external view returns (uint256 nativeAmount, uint256 zroAmount);

    function allDirectBridgeTokens() external view returns (address[] memory tokens);

    function allDirectBridgeTokensLength() external view returns (uint256 length);
}

// SPDX-License-Identifier: GPL-3.0-or-later
pragma solidity ^0.8.0;

// 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");
    }
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

interface IStargateEthVault {
    function deposit() external payable;

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

    function withdraw(uint256) external;

    function approve(address guy, uint256 wad) external returns (bool);

    function transferFrom(
        address src,
        address dst,
        uint256 wad
    ) external returns (bool);
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

interface IStargateRouter {
    struct lzTxObj {
        uint256 dstGasForCall;
        uint256 dstNativeAmount;
        bytes dstNativeAddr;
    }

    function addLiquidity(
        uint256 _poolId,
        uint256 _amountLD,
        address _to
    ) external;

    function swap(
        uint16 _dstChainId,
        uint256 _srcPoolId,
        uint256 _dstPoolId,
        address payable _refundAddress,
        uint256 _amountLD,
        uint256 _minAmountLD,
        lzTxObj memory _lzTxParams,
        bytes calldata _to,
        bytes calldata _payload
    ) external payable;

    function redeemRemote(
        uint16 _dstChainId,
        uint256 _srcPoolId,
        uint256 _dstPoolId,
        address payable _refundAddress,
        uint256 _amountLP,
        uint256 _minAmountLD,
        bytes calldata _to,
        lzTxObj memory _lzTxParams
    ) external payable;

    function instantRedeemLocal(
        uint16 _srcPoolId,
        uint256 _amountLP,
        address _to
    ) external returns (uint256);

    function redeemLocal(
        uint16 _dstChainId,
        uint256 _srcPoolId,
        uint256 _dstPoolId,
        address payable _refundAddress,
        uint256 _amountLP,
        bytes calldata _to,
        lzTxObj memory _lzTxParams
    ) external payable;

    function sendCredits(
        uint16 _dstChainId,
        uint256 _srcPoolId,
        uint256 _dstPoolId,
        address payable _refundAddress
    ) external payable;

    function quoteLayerZeroFee(
        uint16 _dstChainId,
        uint8 _functionType,
        bytes calldata _toAddress,
        bytes calldata _transferAndCallPayload,
        lzTxObj memory _lzTxParams
    ) external view returns (uint256, uint256);
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

/**
 * @dev Interface of the LzApp that functions not exist in the @layerzerolabs package
 */
interface ILzApp {
    function minDstGasLookup(uint16 _dstChainId, uint16 _type) external view returns (uint256 _minGasLimit);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (access/Ownable.sol)

pragma solidity ^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() {
        _transferOwnership(_msgSender());
    }

    /**
     * @dev Throws if called by any account other than the owner.
     */
    modifier onlyOwner() {
        _checkOwner();
        _;
    }

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

    /**
     * @dev Throws if the sender is not the owner.
     */
    function _checkOwner() internal view virtual {
        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 {
        _transferOwnership(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");
        _transferOwnership(newOwner);
    }

    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`).
     * Internal function without access restriction.
     */
    function _transferOwnership(address newOwner) internal virtual {
        address oldOwner = _owner;
        _owner = newOwner;
        emit OwnershipTransferred(oldOwner, newOwner);
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.6.0) (token/ERC20/IERC20.sol)

pragma solidity ^0.8.0;

/**
 * @dev Interface of the ERC20 standard as defined in the EIP.
 */
interface IERC20 {
    /**
     * @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);

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

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (security/ReentrancyGuard.sol)

pragma solidity ^0.8.0;

/**
 * @dev Contract module that helps prevent reentrant calls to a function.
 *
 * Inheriting from `ReentrancyGuard` will make the {nonReentrant} modifier
 * available, which can be applied to functions to make sure there are no nested
 * (reentrant) calls to them.
 *
 * Note that because there is a single `nonReentrant` guard, functions marked as
 * `nonReentrant` may not call one another. This can be worked around by making
 * those functions `private`, and then adding `external` `nonReentrant` entry
 * points to them.
 *
 * TIP: If you would like to learn more about reentrancy and alternative ways
 * to protect against it, check out our blog post
 * https://blog.openzeppelin.com/reentrancy-after-istanbul/[Reentrancy After Istanbul].
 */
abstract contract ReentrancyGuard {
    // Booleans are more expensive than uint256 or any type that takes up a full
    // word because each write operation emits an extra SLOAD to first read the
    // slot's contents, replace the bits taken up by the boolean, and then write
    // back. This is the compiler's defense against contract upgrades and
    // pointer aliasing, and it cannot be disabled.

    // The values being non-zero value makes deployment a bit more expensive,
    // but in exchange the refund on every call to nonReentrant will be lower in
    // amount. Since refunds are capped to a percentage of the total
    // transaction's gas, it is best to keep them low in cases like this one, to
    // increase the likelihood of the full refund coming into effect.
    uint256 private constant _NOT_ENTERED = 1;
    uint256 private constant _ENTERED = 2;

    uint256 private _status;

    constructor() {
        _status = _NOT_ENTERED;
    }

    /**
     * @dev Prevents a contract from calling itself, directly or indirectly.
     * Calling a `nonReentrant` function from another `nonReentrant`
     * function is not supported. It is possible to prevent this from happening
     * by making the `nonReentrant` function external, and making it call a
     * `private` function that does the actual work.
     */
    modifier nonReentrant() {
        // On the first call to nonReentrant, _notEntered will be true
        require(_status != _ENTERED, "ReentrancyGuard: reentrant call");

        // Any calls to nonReentrant after this point will fail
        _status = _ENTERED;

        _;

        // By storing the original value once again, a refund is triggered (see
        // https://eips.ethereum.org/EIPS/eip-2200)
        _status = _NOT_ENTERED;
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (utils/structs/EnumerableSet.sol)

pragma solidity ^0.8.0;

/**
 * @dev Library for managing
 * https://en.wikipedia.org/wiki/Set_(abstract_data_type)[sets] of primitive
 * types.
 *
 * Sets have the following properties:
 *
 * - Elements are added, removed, and checked for existence in constant time
 * (O(1)).
 * - Elements are enumerated in O(n). No guarantees are made on the ordering.
 *
 * ```
 * contract Example {
 *     // Add the library methods
 *     using EnumerableSet for EnumerableSet.AddressSet;
 *
 *     // Declare a set state variable
 *     EnumerableSet.AddressSet private mySet;
 * }
 * ```
 *
 * As of v3.3.0, sets of type `bytes32` (`Bytes32Set`), `address` (`AddressSet`)
 * and `uint256` (`UintSet`) are supported.
 *
 * [WARNING]
 * ====
 *  Trying to delete such a structure from storage will likely result in data corruption, rendering the structure unusable.
 *  See https://github.com/ethereum/solidity/pull/11843[ethereum/solidity#11843] for more info.
 *
 *  In order to clean an EnumerableSet, you can either remove all elements one by one or create a fresh instance using an array of EnumerableSet.
 * ====
 */
library EnumerableSet {
    // To implement this library for multiple types with as little code
    // repetition as possible, we write it in terms of a generic Set type with
    // bytes32 values.
    // The Set implementation uses private functions, and user-facing
    // implementations (such as AddressSet) are just wrappers around the
    // underlying Set.
    // This means that we can only create new EnumerableSets for types that fit
    // in bytes32.

    struct Set {
        // Storage of set values
        bytes32[] _values;
        // Position of the value in the `values` array, plus 1 because index 0
        // means a value is not in the set.
        mapping(bytes32 => uint256) _indexes;
    }

    /**
     * @dev Add a value to a set. O(1).
     *
     * Returns true if the value was added to the set, that is if it was not
     * already present.
     */
    function _add(Set storage set, bytes32 value) private returns (bool) {
        if (!_contains(set, value)) {
            set._values.push(value);
            // The value is stored at length-1, but we add 1 to all indexes
            // and use 0 as a sentinel value
            set._indexes[value] = set._values.length;
            return true;
        } else {
            return false;
        }
    }

    /**
     * @dev Removes a value from a set. O(1).
     *
     * Returns true if the value was removed from the set, that is if it was
     * present.
     */
    function _remove(Set storage set, bytes32 value) private returns (bool) {
        // We read and store the value's index to prevent multiple reads from the same storage slot
        uint256 valueIndex = set._indexes[value];

        if (valueIndex != 0) {
            // Equivalent to contains(set, value)
            // To delete an element from the _values array in O(1), we swap the element to delete with the last one in
            // the array, and then remove the last element (sometimes called as 'swap and pop').
            // This modifies the order of the array, as noted in {at}.

            uint256 toDeleteIndex = valueIndex - 1;
            uint256 lastIndex = set._values.length - 1;

            if (lastIndex != toDeleteIndex) {
                bytes32 lastValue = set._values[lastIndex];

                // Move the last value to the index where the value to delete is
                set._values[toDeleteIndex] = lastValue;
                // Update the index for the moved value
                set._indexes[lastValue] = valueIndex; // Replace lastValue's index to valueIndex
            }

            // Delete the slot where the moved value was stored
            set._values.pop();

            // Delete the index for the deleted slot
            delete set._indexes[value];

            return true;
        } else {
            return false;
        }
    }

    /**
     * @dev Returns true if the value is in the set. O(1).
     */
    function _contains(Set storage set, bytes32 value) private view returns (bool) {
        return set._indexes[value] != 0;
    }

    /**
     * @dev Returns the number of values on the set. O(1).
     */
    function _length(Set storage set) private view returns (uint256) {
        return set._values.length;
    }

    /**
     * @dev Returns the value stored at position `index` in the set. O(1).
     *
     * Note that there are no guarantees on the ordering of values inside the
     * array, and it may change when more values are added or removed.
     *
     * Requirements:
     *
     * - `index` must be strictly less than {length}.
     */
    function _at(Set storage set, uint256 index) private view returns (bytes32) {
        return set._values[index];
    }

    /**
     * @dev Return the entire set in an array
     *
     * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed
     * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that
     * this function has an unbounded cost, and using it as part of a state-changing function may render the function
     * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block.
     */
    function _values(Set storage set) private view returns (bytes32[] memory) {
        return set._values;
    }

    // Bytes32Set

    struct Bytes32Set {
        Set _inner;
    }

    /**
     * @dev Add a value to a set. O(1).
     *
     * Returns true if the value was added to the set, that is if it was not
     * already present.
     */
    function add(Bytes32Set storage set, bytes32 value) internal returns (bool) {
        return _add(set._inner, value);
    }

    /**
     * @dev Removes a value from a set. O(1).
     *
     * Returns true if the value was removed from the set, that is if it was
     * present.
     */
    function remove(Bytes32Set storage set, bytes32 value) internal returns (bool) {
        return _remove(set._inner, value);
    }

    /**
     * @dev Returns true if the value is in the set. O(1).
     */
    function contains(Bytes32Set storage set, bytes32 value) internal view returns (bool) {
        return _contains(set._inner, value);
    }

    /**
     * @dev Returns the number of values in the set. O(1).
     */
    function length(Bytes32Set storage set) internal view returns (uint256) {
        return _length(set._inner);
    }

    /**
     * @dev Returns the value stored at position `index` in the set. O(1).
     *
     * Note that there are no guarantees on the ordering of values inside the
     * array, and it may change when more values are added or removed.
     *
     * Requirements:
     *
     * - `index` must be strictly less than {length}.
     */
    function at(Bytes32Set storage set, uint256 index) internal view returns (bytes32) {
        return _at(set._inner, index);
    }

    /**
     * @dev Return the entire set in an array
     *
     * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed
     * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that
     * this function has an unbounded cost, and using it as part of a state-changing function may render the function
     * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block.
     */
    function values(Bytes32Set storage set) internal view returns (bytes32[] memory) {
        return _values(set._inner);
    }

    // AddressSet

    struct AddressSet {
        Set _inner;
    }

    /**
     * @dev Add a value to a set. O(1).
     *
     * Returns true if the value was added to the set, that is if it was not
     * already present.
     */
    function add(AddressSet storage set, address value) internal returns (bool) {
        return _add(set._inner, bytes32(uint256(uint160(value))));
    }

    /**
     * @dev Removes a value from a set. O(1).
     *
     * Returns true if the value was removed from the set, that is if it was
     * present.
     */
    function remove(AddressSet storage set, address value) internal returns (bool) {
        return _remove(set._inner, bytes32(uint256(uint160(value))));
    }

    /**
     * @dev Returns true if the value is in the set. O(1).
     */
    function contains(AddressSet storage set, address value) internal view returns (bool) {
        return _contains(set._inner, bytes32(uint256(uint160(value))));
    }

    /**
     * @dev Returns the number of values in the set. O(1).
     */
    function length(AddressSet storage set) internal view returns (uint256) {
        return _length(set._inner);
    }

    /**
     * @dev Returns the value stored at position `index` in the set. O(1).
     *
     * Note that there are no guarantees on the ordering of values inside the
     * array, and it may change when more values are added or removed.
     *
     * Requirements:
     *
     * - `index` must be strictly less than {length}.
     */
    function at(AddressSet storage set, uint256 index) internal view returns (address) {
        return address(uint160(uint256(_at(set._inner, index))));
    }

    /**
     * @dev Return the entire set in an array
     *
     * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed
     * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that
     * this function has an unbounded cost, and using it as part of a state-changing function may render the function
     * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block.
     */
    function values(AddressSet storage set) internal view returns (address[] memory) {
        bytes32[] memory store = _values(set._inner);
        address[] memory result;

        /// @solidity memory-safe-assembly
        assembly {
            result := store
        }

        return result;
    }

    // UintSet

    struct UintSet {
        Set _inner;
    }

    /**
     * @dev Add a value to a set. O(1).
     *
     * Returns true if the value was added to the set, that is if it was not
     * already present.
     */
    function add(UintSet storage set, uint256 value) internal returns (bool) {
        return _add(set._inner, bytes32(value));
    }

    /**
     * @dev Removes a value from a set. O(1).
     *
     * Returns true if the value was removed from the set, that is if it was
     * present.
     */
    function remove(UintSet storage set, uint256 value) internal returns (bool) {
        return _remove(set._inner, bytes32(value));
    }

    /**
     * @dev Returns true if the value is in the set. O(1).
     */
    function contains(UintSet storage set, uint256 value) internal view returns (bool) {
        return _contains(set._inner, bytes32(value));
    }

    /**
     * @dev Returns the number of values on the set. O(1).
     */
    function length(UintSet storage set) internal view returns (uint256) {
        return _length(set._inner);
    }

    /**
     * @dev Returns the value stored at position `index` in the set. O(1).
     *
     * Note that there are no guarantees on the ordering of values inside the
     * array, and it may change when more values are added or removed.
     *
     * Requirements:
     *
     * - `index` must be strictly less than {length}.
     */
    function at(UintSet storage set, uint256 index) internal view returns (uint256) {
        return uint256(_at(set._inner, index));
    }

    /**
     * @dev Return the entire set in an array
     *
     * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed
     * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that
     * this function has an unbounded cost, and using it as part of a state-changing function may render the function
     * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block.
     */
    function values(UintSet storage set) internal view returns (uint256[] memory) {
        bytes32[] memory store = _values(set._inner);
        uint256[] memory result;

        /// @solidity memory-safe-assembly
        assembly {
            result := store
        }

        return result;
    }
}

// SPDX-License-Identifier: MIT

pragma solidity >=0.5.0;

import "../ICommonOFT.sol";

/**
 * @dev Interface of the IOFT core standard
 */
interface IOFTWithFee is ICommonOFT {

    /**
     * @dev send `_amount` amount of token to (`_dstChainId`, `_toAddress`) from `_from`
     * `_from` the owner of token
     * `_dstChainId` the destination chain identifier
     * `_toAddress` can be any size depending on the `dstChainId`.
     * `_amount` the quantity of tokens in wei
     * `_minAmount` the minimum amount of tokens to receive on dstChain
     * `_refundAddress` the address LayerZero refunds if too much message fee is sent
     * `_zroPaymentAddress` set to address(0x0) if not paying in ZRO (LayerZero Token)
     * `_adapterParams` is a flexible bytes array to indicate messaging adapter services
     */
    function sendFrom(address _from, uint16 _dstChainId, bytes32 _toAddress, uint _amount, uint _minAmount, LzCallParams calldata _callParams) external payable;

    function sendAndCall(address _from, uint16 _dstChainId, bytes32 _toAddress, uint _amount, uint _minAmount, bytes calldata _payload, uint64 _dstGasForCall, LzCallParams calldata _callParams) external payable;
}

// SPDX-License-Identifier: MIT
pragma solidity =0.8.14;

/*

░██╗░░░░░░░██╗░█████╗░░█████╗░░░░░░░███████╗██╗
░██║░░██╗░░██║██╔══██╗██╔══██╗░░░░░░██╔════╝██║
░╚██╗████╗██╔╝██║░░██║██║░░██║█████╗█████╗░░██║
░░████╔═████║░██║░░██║██║░░██║╚════╝██╔══╝░░██║
░░╚██╔╝░╚██╔╝░╚█████╔╝╚█████╔╝░░░░░░██║░░░░░██║
░░░╚═╝░░░╚═╝░░░╚════╝░░╚════╝░░░░░░░╚═╝░░░░░╚═╝

*
* MIT License
* ===========
*
* Copyright (c) 2020 WooTrade
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/

/// @title Woo private pool for swap.
/// @notice Use this contract to directly interfact with woo's synthetic proactive
///         marketing making pool.
/// @author woo.network
interface IWooPPV2 {
    /* ----- Events ----- */

    event Deposit(address indexed token, address indexed sender, uint256 amount);
    event Withdraw(address indexed token, address indexed receiver, uint256 amount);
    event Migrate(address indexed token, address indexed receiver, uint256 amount);
    event AdminUpdated(address indexed addr, bool flag);
    event FeeAddrUpdated(address indexed newFeeAddr);
    event WooracleUpdated(address indexed newWooracle);
    event WooSwap(
        address indexed fromToken,
        address indexed toToken,
        uint256 fromAmount,
        uint256 toAmount,
        address from,
        address indexed to,
        address rebateTo,
        uint256 swapVol,
        uint256 swapFee
    );

    /* ----- External Functions ----- */

    /// @notice The quote token address (immutable).
    /// @return address of quote token
    function quoteToken() external view returns (address);

    /// @notice Gets the pool size of the specified token (swap liquidity).
    /// @param token the token address
    /// @return the pool size
    function poolSize(address token) external view returns (uint256);

    /// @notice Query the amount to swap `fromToken` to `toToken`, without checking the pool reserve balance.
    /// @param fromToken the from token
    /// @param toToken the to token
    /// @param fromAmount the amount of `fromToken` to swap
    /// @return toAmount the swapped amount of `toToken`
    function tryQuery(
        address fromToken,
        address toToken,
        uint256 fromAmount
    ) external view returns (uint256 toAmount);

    /// @notice Query the amount to swap `fromToken` to `toToken`, with checking the pool reserve balance.
    /// @dev tx reverts when 'toToken' balance is insufficient.
    /// @param fromToken the from token
    /// @param toToken the to token
    /// @param fromAmount the amount of `fromToken` to swap
    /// @return toAmount the swapped amount of `toToken`
    function query(
        address fromToken,
        address toToken,
        uint256 fromAmount
    ) external view returns (uint256 toAmount);

    /// @notice Swap `fromToken` to `toToken`.
    /// @param fromToken the from token
    /// @param toToken the to token
    /// @param fromAmount the amount of `fromToken` to swap
    /// @param minToAmount the minimum amount of `toToken` to receive
    /// @param to the destination address
    /// @param rebateTo the rebate address (optional, can be address ZERO)
    /// @return realToAmount the amount of toToken to receive
    function swap(
        address fromToken,
        address toToken,
        uint256 fromAmount,
        uint256 minToAmount,
        address to,
        address rebateTo
    ) external returns (uint256 realToAmount);

    /// @notice Deposit the specified token into the liquidity pool of WooPPV2.
    /// @param token the token to deposit
    /// @param amount the deposit amount
    function deposit(address token, uint256 amount) external;
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/Context.sol)

pragma solidity ^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 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) {
        return msg.sender;
    }

    function _msgData() internal view virtual returns (bytes calldata) {
        return msg.data;
    }
}

// SPDX-License-Identifier: MIT

pragma solidity >=0.5.0;

import "@openzeppelin/contracts/utils/introspection/IERC165.sol";

/**
 * @dev Interface of the IOFT core standard
 */
interface ICommonOFT is IERC165 {

    struct LzCallParams {
        address payable refundAddress;
        address zroPaymentAddress;
        bytes adapterParams;
    }

    /**
     * @dev estimate send token `_tokenId` to (`_dstChainId`, `_toAddress`)
     * _dstChainId - L0 defined chain id to send tokens too
     * _toAddress - dynamic bytes array which contains the address to whom you are sending tokens to on the dstChain
     * _amount - amount of the tokens to transfer
     * _useZro - indicates to use zro to pay L0 fees
     * _adapterParam - flexible bytes array to indicate messaging adapter services in L0
     */
    function estimateSendFee(uint16 _dstChainId, bytes32 _toAddress, uint _amount, bool _useZro, bytes calldata _adapterParams) external view returns (uint nativeFee, uint zroFee);

    function estimateSendAndCallFee(uint16 _dstChainId, bytes32 _toAddress, uint _amount, bytes calldata _payload, uint64 _dstGasForCall, bool _useZro, bytes calldata _adapterParams) external view returns (uint nativeFee, uint zroFee);

    /**
     * @dev returns the circulating amount of tokens on current chain
     */
    function circulatingSupply() external view returns (uint);

    /**
     * @dev returns the address of the ERC20 token
     */
    function token() external view returns (address);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/introspection/IERC165.sol)

pragma solidity ^0.8.0;

/**
 * @dev Interface of the ERC165 standard, as defined in the
 * https://eips.ethereum.org/EIPS/eip-165[EIP].
 *
 * Implementers can declare support of contract interfaces, which can then be
 * queried by others ({ERC165Checker}).
 *
 * For an implementation, see {ERC165}.
 */
interface IERC165 {
    /**
     * @dev Returns true if this contract implements the interface defined by
     * `interfaceId`. See the corresponding
     * https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section]
     * to learn more about how these ids are created.
     *
     * This function call must use less than 30 000 gas.
     */
    function supportsInterface(bytes4 interfaceId) external view returns (bool);
}

{
  "optimizer": {
    "enabled": true,
    "runs": 20000
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "libraries": {}
}

• No Contract Security Audit Submitted- Submit Audit Here

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IWooCrossChainRouterV2.DstInfos","name":"dstInfos","type":"tuple"}],"name":"quoteLayerZeroFee","outputs":[{"internalType":"uint256","name":"","type":"uint256"},{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"token","type":"address"}],"name":"removeDirectBridgeToken","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_bridgeSlippage","type":"uint256"}],"name":"setBridgeSlippage","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_dstGasForNoSwapCall","type":"uint256"}],"name":"setDstGasForNoSwapCall","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_dstGasForSwapCall","type":"uint256"}],"name":"setDstGasForSwapCall","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint16","name":"_sgChainIdLocal","type":"uint16"}],"name":"setSgChainIdLocal","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint16","name":"chainId","type":"uint16"},{"internalType":"address","name":"token","type":"address"}],"name":"setSgETH","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint16","name":"chainId","type":"uint16"},{"internalType":"address","name":"token","type":"address"},{"internalType":"uint256","name":"poolId","type":"uint256"}],"name":"setSgPoolId","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_stargateRouter","type":"address"}],"name":"setStargateRouter","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"token","type":"address"},{"internalType":"address","name":"oft","type":"address"}],"name":"setTokenToOFT","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint16","name":"chainId","type":"uint16"},{"internalType":"address","name":"wooCrossChainRouter","type":"address"}],"name":"setWooCrossChainRouter","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_wooRouter","type":"address"}],"name":"setWooRouter","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"sgChainIdLocal","outputs":[{"internalType":"uint16","name":"","type":"uint16"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint16","name":"","type":"uint16"}],"name":"sgETHs","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint16","name":"","type":"uint16"},{"internalType":"address","name":"","type":"address"}],"name":"sgPoolIds","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint16","name":"","type":"uint16"},{"internalType":"bytes","name":"","type":"bytes"},{"internalType":"uint256","name":"","type":"uint256"},{"internalType":"address","name":"bridgedToken","type":"address"},{"internalType":"uint256","name":"amountLD","type":"uint256"},{"internalType":"bytes","name":"payload","type":"bytes"}],"name":"sgReceive","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"stargateRouter","outputs":[{"internalType":"contract IStargateRouter","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"tokenToOFTs","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"weth","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint16","name":"","type":"uint16"}],"name":"wooCrossChainRouters","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"wooRouter","outputs":[{"internalType":"contract IWooRouterV2","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"stateMutability":"payable","type":"receive"}]

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0000000000000000000000000d500b1d8e8ef31e21c99d1db9a6444d3adf1270000000000000000000000000817eb46d60762442da3d931ff51a30334ca39b7400000000000000000000000045a01e4e04f14f7a4a6702c74187c5f6222033cd000000000000000000000000000000000000000000000000000000000000006d

-----Decoded View---------------
Arg [0] : _weth (address): 0x0d500b1d8e8ef31e21c99d1db9a6444d3adf1270
Arg [1] : _wooRouter (address): 0x817eb46d60762442da3d931ff51a30334ca39b74
Arg [2] : _stargateRouter (address): 0x45a01e4e04f14f7a4a6702c74187c5f6222033cd
Arg [3] : _sgChainIdLocal (uint16): 109

-----Encoded View---------------
4 Constructor Arguments found :
Arg [0] : 0000000000000000000000000d500b1d8e8ef31e21c99d1db9a6444d3adf1270
Arg [1] : 000000000000000000000000817eb46d60762442da3d931ff51a30334ca39b74
Arg [2] : 00000000000000000000000045a01e4e04f14f7a4a6702c74187c5f6222033cd
Arg [3] : 000000000000000000000000000000000000000000000000000000000000006d