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// SPDX-License-Identifier: UNLICENSED
pragma solidity 0.8.10;

import "../interfaces/IRouteProcessor.sol";
import "../interfaces/IWETH.sol";
import "openzeppelin-contracts/contracts/token/ERC20/utils/SafeERC20.sol";

import "../interfaces/ISushiXSwapV2Adapter.sol";
import "../interfaces/stargate/IStargateRouter.sol";
import "../interfaces/stargate/IStargateReceiver.sol";
import "../interfaces/stargate/IStargateWidget.sol";
import "../interfaces/stargate/IStargateEthVault.sol";

contract StargateAdapter is ISushiXSwapV2Adapter, IStargateReceiver {
    using SafeERC20 for IERC20;

    IStargateRouter public immutable stargateRouter;
    IStargateWidget public immutable stargateWidget;
    address public immutable sgeth;
    IRouteProcessor public immutable rp;
    IWETH public immutable weth;

    address constant NATIVE_ADDRESS =
        0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE;

    struct StargateTeleportParams {
        uint16 dstChainId; // stargate dst chain id
        address token; // token getting bridged
        uint256 srcPoolId; // stargate src pool id
        uint256 dstPoolId; // stargate dst pool id
        uint256 amount; // amount to bridge
        uint256 amountMin; // amount to bridge minimum
        uint256 dustAmount; // native token to be received on dst chain
        address receiver;
        address to;
        uint256 gas; // extra gas to be sent for dst chain operations
    }

    error InsufficientGas();
    error NotStargateRouter();
    error RpSentNativeIn();

    constructor(
        address _stargateRouter,
        address _stargateWidget,
        address _sgeth,
        address _rp,
        address _weth
    ) {
        stargateRouter = IStargateRouter(_stargateRouter);
        stargateWidget = IStargateWidget(_stargateWidget);
        sgeth = _sgeth;
        rp = IRouteProcessor(_rp);
        weth = IWETH(_weth);
    }

    function swap(
        uint256 _amountBridged,
        bytes calldata _swapData,
        address _token,
        bytes calldata _payloadData
    ) external payable override {
        IRouteProcessor.RouteProcessorData memory rpd = abi.decode(
            _swapData,
            (IRouteProcessor.RouteProcessorData)
        );
        if (_token == sgeth) {
            weth.deposit{value: _amountBridged}();
        }
        // increase token approval to RP
        IERC20(rpd.tokenIn).safeIncreaseAllowance(address(rp), _amountBridged);

        rp.processRoute(
            rpd.tokenIn,
            _amountBridged != 0 ? _amountBridged: rpd.amountIn,
            rpd.tokenOut,
            rpd.amountOutMin,
            rpd.to,
            rpd.route
        );

        // tokens should be sent via rp
        if (_payloadData.length > 0) {
            PayloadData memory pd = abi.decode(_payloadData, (PayloadData));
            try
                IPayloadExecutor(pd.target).onPayloadReceive(pd.targetData)
            {} catch (bytes memory) {
                revert();
            }
        }
    }

    /// @notice Get the fees to be paid in native token for the swap
    /// @param _dstChainId stargate dst chainId
    /// @param _functionType stargate Function type 1 for swap.
    /// See more at https://stargateprotocol.gitbook.io/stargate/developers/function-types
    /// @param _receiver receiver on the dst chain
    /// @param _gas extra gas being sent
    /// @param _dustAmount dust amount to be received at the dst chain
    /// @param _payload payload being sent at the dst chain
    function getFee(
        uint16 _dstChainId,
        uint8 _functionType,
        address _receiver,
        uint256 _gas,
        uint256 _dustAmount,
        bytes memory _payload
    ) external view returns (uint256 a, uint256 b) {
        (a, b) = stargateRouter.quoteLayerZeroFee(
            _dstChainId,
            _functionType,
            abi.encodePacked(_receiver),
            abi.encode(_payload),
            IStargateRouter.lzTxObj(
                _gas,
                _dustAmount,
                abi.encodePacked(_receiver)
            )
        );
    }

    function adapterBridge(
        bytes calldata _adapterData,
        bytes calldata _swapData,
        bytes calldata _payloadData
    ) external payable override {
        StargateTeleportParams memory params = abi.decode(
            _adapterData,
            (StargateTeleportParams)
        );

        if (params.token == NATIVE_ADDRESS) {
            // RP should not send native in, since we won't know the amount from dust
            if (params.amount == 0) revert RpSentNativeIn();
            IStargateEthVault(sgeth).deposit{value: params.amount}();
            params.token = sgeth;
        } else if (params.token == address(weth)) {
            // this case is for when rp sends weth in
            if (params.amount == 0) params.amount = weth.balanceOf(address(this));
            weth.withdraw(params.amount);
            IStargateEthVault(sgeth).deposit{value: params.amount}();
            params.token = sgeth;    
        }

        IERC20(params.token).safeApprove(
            address(stargateRouter),
            params.amount != 0
                ? params.amount
                : IERC20(params.token).balanceOf(address(this))
        );

        bytes memory payload = bytes("");
        if (_swapData.length > 0 || _payloadData.length > 0) {
            /// @dev dst gas should be more than 100k
            if (params.gas < 100000) revert InsufficientGas();
            payload = abi.encode(params.to, _swapData, _payloadData);
        }

        stargateRouter.swap{value: address(this).balance}(
            params.dstChainId,
            params.srcPoolId,
            params.dstPoolId,
            payable(tx.origin), // refund address
            params.amount != 0
                ? params.amount
                : IERC20(params.token).balanceOf(address(this)),
            params.amountMin,
            IStargateRouter.lzTxObj(
                params.gas,
                params.dustAmount,
                abi.encodePacked(params.receiver)
            ),
            abi.encodePacked(params.receiver),
            payload
        );

        stargateWidget.partnerSwap(0x0001);
    }

    /// @notice Receiver function on dst chain
    /// @param _token bridge token received
    /// @param amountLD amount received
    /// @param payload ABI-Encoded data received from src chain
    function sgReceive(
        uint16,
        bytes memory,
        uint256,
        address _token,
        uint256 amountLD,
        bytes memory payload
    ) external {
        if (msg.sender != address(stargateRouter)) revert NotStargateRouter();

        (address to, bytes memory _swapData, bytes memory _payloadData) = abi
            .decode(payload, (address, bytes, bytes));

        uint256 reserveGas = 100000;
        bool failed;

        if (gasleft() < reserveGas || _swapData.length == 0) {
            if (_token != sgeth) {
                IERC20(_token).safeTransfer(to, amountLD);
            }

            /// @dev transfer any native token received as dust to the to address
            if (address(this).balance > 0)
                to.call{value: (address(this).balance)}("");

            failed = true;
            return;
        }

        // 100000 -> exit gas
        uint256 limit = gasleft() - reserveGas;
        
        //todo: what if you had payload data for another adapter, but no swapData?
        if (_swapData.length > 0) {
            try
                ISushiXSwapV2Adapter(address(this)).swap{gas: limit}(
                    amountLD,
                    _swapData,
                    _token,
                    _payloadData
                )
            {} catch (bytes memory) {
                if (_token != sgeth) {
                    IERC20(_token).safeTransfer(to, amountLD);
                }
                failed = true;
            }
        }

        /// @dev transfer any native token received as dust to the to address
        if (address(this).balance > 0)
            to.call{value: (address(this).balance)}("");
    }

    function sendMessage(bytes calldata _adapterData) external {
        (_adapterData);
        revert();
    }

    receive() external payable {}
}

// SPDX-License-Identifier: GPL-3.0-or-later

pragma solidity 0.8.10;

interface IRouteProcessor {
    
    struct RouteProcessorData {
        address tokenIn;
        uint256 amountIn;
        address tokenOut;
        uint256 amountOutMin;
        address to;
        bytes route;
    }

    function processRoute(
        address tokenIn,
        uint256 amountIn,
        address tokenOut,
        uint256 amountOutMin,
        address to,
        bytes memory route
    ) external payable returns (uint256 amountOut);
}

// SPDX-License-Identifier: GPL-3.0-or-later

pragma solidity 0.8.10;

interface IWETH {
    function deposit() external payable;

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

    function withdraw(uint256) external;

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

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.8.0) (token/ERC20/utils/SafeERC20.sol)

pragma solidity ^0.8.0;

import "../IERC20.sol";
import "../extensions/draft-IERC20Permit.sol";
import "../../../utils/Address.sol";

/**
 * @title SafeERC20
 * @dev Wrappers around ERC20 operations that throw on failure (when the token
 * contract returns false). Tokens that return no value (and instead revert or
 * throw on failure) are also supported, non-reverting calls are assumed to be
 * successful.
 * To use this library you can add a `using SafeERC20 for IERC20;` statement to your contract,
 * which allows you to call the safe operations as `token.safeTransfer(...)`, etc.
 */
library SafeERC20 {
    using Address for address;

    function safeTransfer(
        IERC20 token,
        address to,
        uint256 value
    ) internal {
        _callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value));
    }

    function safeTransferFrom(
        IERC20 token,
        address from,
        address to,
        uint256 value
    ) internal {
        _callOptionalReturn(token, abi.encodeWithSelector(token.transferFrom.selector, from, to, value));
    }

    /**
     * @dev Deprecated. This function has issues similar to the ones found in
     * {IERC20-approve}, and its usage is discouraged.
     *
     * Whenever possible, use {safeIncreaseAllowance} and
     * {safeDecreaseAllowance} instead.
     */
    function safeApprove(
        IERC20 token,
        address spender,
        uint256 value
    ) internal {
        // safeApprove should only be called when setting an initial allowance,
        // or when resetting it to zero. To increase and decrease it, use
        // 'safeIncreaseAllowance' and 'safeDecreaseAllowance'
        require(
            (value == 0) || (token.allowance(address(this), spender) == 0),
            "SafeERC20: approve from non-zero to non-zero allowance"
        );
        _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, value));
    }

    function safeIncreaseAllowance(
        IERC20 token,
        address spender,
        uint256 value
    ) internal {
        uint256 newAllowance = token.allowance(address(this), spender) + value;
        _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));
    }

    function safeDecreaseAllowance(
        IERC20 token,
        address spender,
        uint256 value
    ) internal {
        unchecked {
            uint256 oldAllowance = token.allowance(address(this), spender);
            require(oldAllowance >= value, "SafeERC20: decreased allowance below zero");
            uint256 newAllowance = oldAllowance - value;
            _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));
        }
    }

    function safePermit(
        IERC20Permit token,
        address owner,
        address spender,
        uint256 value,
        uint256 deadline,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) internal {
        uint256 nonceBefore = token.nonces(owner);
        token.permit(owner, spender, value, deadline, v, r, s);
        uint256 nonceAfter = token.nonces(owner);
        require(nonceAfter == nonceBefore + 1, "SafeERC20: permit did not succeed");
    }

    /**
     * @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement
     * on the return value: the return value is optional (but if data is returned, it must not be false).
     * @param token The token targeted by the call.
     * @param data The call data (encoded using abi.encode or one of its variants).
     */
    function _callOptionalReturn(IERC20 token, bytes memory data) private {
        // We need to perform a low level call here, to bypass Solidity's return data size checking mechanism, since
        // we're implementing it ourselves. We use {Address-functionCall} to perform this call, which verifies that
        // the target address contains contract code and also asserts for success in the low-level call.

        bytes memory returndata = address(token).functionCall(data, "SafeERC20: low-level call failed");
        if (returndata.length > 0) {
            // Return data is optional
            require(abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed");
        }
    }
}

// SPDX-License-Identifier: GPL-3.0-or-later

pragma solidity 0.8.10;

import "./IPayloadExecutor.sol";

interface ISushiXSwapV2Adapter {
    struct BridgeParamsAdapter {
        address tokenIn;
        uint256 amountIn;
        address to;
        bytes adapterData;
    }

    struct PayloadData {
        address target;
        uint256 gasLimit;
        bytes targetData;
    }

    function swap(
        uint256 _amountBridged,
        bytes calldata _swapData,
        address _token,
        bytes calldata _payloadData
    ) external payable;

    function adapterBridge(
        bytes calldata _adapterData,
        bytes calldata _swapDataPayload,
        bytes calldata _payloadData
    ) external payable;

    function sendMessage(bytes calldata _adapterData) external;
}

// SPDX-License-Identifier: GPL-3.0

pragma solidity 0.8.10;

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

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

// SPDX-License-Identifier: GPL-3.0

pragma solidity 0.8.10;

interface IStargateReceiver {
    function sgReceive(
        uint16 _chainId,
        bytes memory _srcAddress,
        uint256 _nonce,
        address _token,
        uint256 amountLD,
        bytes memory payload
    ) external;
}

// SPDX-License-Identifier: GPL-3.0

pragma solidity 0.8.10;

interface IStargateWidget {
    function partnerSwap(bytes2 _partnerId) external;
}

// SPDX-License-Identifier: GPL-3.0

pragma solidity 0.8.10;

interface IStargateEthVault {
    function deposit() external payable;
}

// 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 (token/ERC20/extensions/draft-IERC20Permit.sol)

pragma solidity ^0.8.0;

/**
 * @dev Interface of the ERC20 Permit extension allowing approvals to be made via signatures, as defined in
 * https://eips.ethereum.org/EIPS/eip-2612[EIP-2612].
 *
 * Adds the {permit} method, which can be used to change an account's ERC20 allowance (see {IERC20-allowance}) by
 * presenting a message signed by the account. By not relying on {IERC20-approve}, the token holder account doesn't
 * need to send a transaction, and thus is not required to hold Ether at all.
 */
interface IERC20Permit {
    /**
     * @dev Sets `value` as the allowance of `spender` over ``owner``'s tokens,
     * given ``owner``'s signed approval.
     *
     * IMPORTANT: The same issues {IERC20-approve} has related to transaction
     * ordering also apply here.
     *
     * Emits an {Approval} event.
     *
     * Requirements:
     *
     * - `spender` cannot be the zero address.
     * - `deadline` must be a timestamp in the future.
     * - `v`, `r` and `s` must be a valid `secp256k1` signature from `owner`
     * over the EIP712-formatted function arguments.
     * - the signature must use ``owner``'s current nonce (see {nonces}).
     *
     * For more information on the signature format, see the
     * https://eips.ethereum.org/EIPS/eip-2612#specification[relevant EIP
     * section].
     */
    function permit(
        address owner,
        address spender,
        uint256 value,
        uint256 deadline,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) external;

    /**
     * @dev Returns the current nonce for `owner`. This value must be
     * included whenever a signature is generated for {permit}.
     *
     * Every successful call to {permit} increases ``owner``'s nonce by one. This
     * prevents a signature from being used multiple times.
     */
    function nonces(address owner) external view returns (uint256);

    /**
     * @dev Returns the domain separator used in the encoding of the signature for {permit}, as defined by {EIP712}.
     */
    // solhint-disable-next-line func-name-mixedcase
    function DOMAIN_SEPARATOR() external view returns (bytes32);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.8.0) (utils/Address.sol)

pragma solidity ^0.8.1;

/**
 * @dev Collection of functions related to the address type
 */
library Address {
    /**
     * @dev Returns true if `account` is a contract.
     *
     * [IMPORTANT]
     * ====
     * It is unsafe to assume that an address for which this function returns
     * false is an externally-owned account (EOA) and not a contract.
     *
     * Among others, `isContract` will return false for the following
     * types of addresses:
     *
     *  - an externally-owned account
     *  - a contract in construction
     *  - an address where a contract will be created
     *  - an address where a contract lived, but was destroyed
     * ====
     *
     * [IMPORTANT]
     * ====
     * You shouldn't rely on `isContract` to protect against flash loan attacks!
     *
     * Preventing calls from contracts is highly discouraged. It breaks composability, breaks support for smart wallets
     * like Gnosis Safe, and does not provide security since it can be circumvented by calling from a contract
     * constructor.
     * ====
     */
    function isContract(address account) internal view returns (bool) {
        // This method relies on extcodesize/address.code.length, which returns 0
        // for contracts in construction, since the code is only stored at the end
        // of the constructor execution.

        return account.code.length > 0;
    }

    /**
     * @dev Replacement for Solidity's `transfer`: sends `amount` wei to
     * `recipient`, forwarding all available gas and reverting on errors.
     *
     * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost
     * of certain opcodes, possibly making contracts go over the 2300 gas limit
     * imposed by `transfer`, making them unable to receive funds via
     * `transfer`. {sendValue} removes this limitation.
     *
     * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more].
     *
     * IMPORTANT: because control is transferred to `recipient`, care must be
     * taken to not create reentrancy vulnerabilities. Consider using
     * {ReentrancyGuard} or the
     * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
     */
    function sendValue(address payable recipient, uint256 amount) internal {
        require(address(this).balance >= amount, "Address: insufficient balance");

        (bool success, ) = recipient.call{value: amount}("");
        require(success, "Address: unable to send value, recipient may have reverted");
    }

    /**
     * @dev Performs a Solidity function call using a low level `call`. A
     * plain `call` is an unsafe replacement for a function call: use this
     * function instead.
     *
     * If `target` reverts with a revert reason, it is bubbled up by this
     * function (like regular Solidity function calls).
     *
     * Returns the raw returned data. To convert to the expected return value,
     * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].
     *
     * Requirements:
     *
     * - `target` must be a contract.
     * - calling `target` with `data` must not revert.
     *
     * _Available since v3.1._
     */
    function functionCall(address target, bytes memory data) internal returns (bytes memory) {
        return functionCallWithValue(target, data, 0, "Address: low-level call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with
     * `errorMessage` as a fallback revert reason when `target` reverts.
     *
     * _Available since v3.1._
     */
    function functionCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal returns (bytes memory) {
        return functionCallWithValue(target, data, 0, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but also transferring `value` wei to `target`.
     *
     * Requirements:
     *
     * - the calling contract must have an ETH balance of at least `value`.
     * - the called Solidity function must be `payable`.
     *
     * _Available since v3.1._
     */
    function functionCallWithValue(
        address target,
        bytes memory data,
        uint256 value
    ) internal returns (bytes memory) {
        return functionCallWithValue(target, data, value, "Address: low-level call with value failed");
    }

    /**
     * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but
     * with `errorMessage` as a fallback revert reason when `target` reverts.
     *
     * _Available since v3.1._
     */
    function functionCallWithValue(
        address target,
        bytes memory data,
        uint256 value,
        string memory errorMessage
    ) internal returns (bytes memory) {
        require(address(this).balance >= value, "Address: insufficient balance for call");
        (bool success, bytes memory returndata) = target.call{value: value}(data);
        return verifyCallResultFromTarget(target, success, returndata, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but performing a static call.
     *
     * _Available since v3.3._
     */
    function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {
        return functionStaticCall(target, data, "Address: low-level static call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a static call.
     *
     * _Available since v3.3._
     */
    function functionStaticCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal view returns (bytes memory) {
        (bool success, bytes memory returndata) = target.staticcall(data);
        return verifyCallResultFromTarget(target, success, returndata, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but performing a delegate call.
     *
     * _Available since v3.4._
     */
    function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {
        return functionDelegateCall(target, data, "Address: low-level delegate call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a delegate call.
     *
     * _Available since v3.4._
     */
    function functionDelegateCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal returns (bytes memory) {
        (bool success, bytes memory returndata) = target.delegatecall(data);
        return verifyCallResultFromTarget(target, success, returndata, errorMessage);
    }

    /**
     * @dev Tool to verify that a low level call to smart-contract was successful, and revert (either by bubbling
     * the revert reason or using the provided one) in case of unsuccessful call or if target was not a contract.
     *
     * _Available since v4.8._
     */
    function verifyCallResultFromTarget(
        address target,
        bool success,
        bytes memory returndata,
        string memory errorMessage
    ) internal view returns (bytes memory) {
        if (success) {
            if (returndata.length == 0) {
                // only check isContract if the call was successful and the return data is empty
                // otherwise we already know that it was a contract
                require(isContract(target), "Address: call to non-contract");
            }
            return returndata;
        } else {
            _revert(returndata, errorMessage);
        }
    }

    /**
     * @dev Tool to verify that a low level call was successful, and revert if it wasn't, either by bubbling the
     * revert reason or using the provided one.
     *
     * _Available since v4.3._
     */
    function verifyCallResult(
        bool success,
        bytes memory returndata,
        string memory errorMessage
    ) internal pure returns (bytes memory) {
        if (success) {
            return returndata;
        } else {
            _revert(returndata, errorMessage);
        }
    }

    function _revert(bytes memory returndata, string memory errorMessage) private pure {
        // Look for revert reason and bubble it up if present
        if (returndata.length > 0) {
            // The easiest way to bubble the revert reason is using memory via assembly
            /// @solidity memory-safe-assembly
            assembly {
                let returndata_size := mload(returndata)
                revert(add(32, returndata), returndata_size)
            }
        } else {
            revert(errorMessage);
        }
    }
}

// SPDX-License-Identifier: GPL-3.0-or-later

pragma solidity 0.8.10;

interface IPayloadExecutor {
    function onPayloadReceive(bytes memory _data) external;
}

{
  "remappings": [
    "ds-test/=lib/forge-std/lib/ds-test/src/",
    "forge-std/=lib/forge-std/src/",
    "openzeppelin-contracts/=lib/openzeppelin-contracts/"
  ],
  "optimizer": {
    "enabled": true,
    "runs": 999999
  },
  "metadata": {
    "bytecodeHash": "ipfs"
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "evmVersion": "london",
  "libraries": {}
}

• No Contract Security Audit Submitted- Submit Audit Here

[{"inputs":[{"internalType":"address","name":"_stargateRouter","type":"address"},{"internalType":"address","name":"_stargateWidget","type":"address"},{"internalType":"address","name":"_sgeth","type":"address"},{"internalType":"address","name":"_rp","type":"address"},{"internalType":"address","name":"_weth","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[],"name":"InsufficientGas","type":"error"},{"inputs":[],"name":"NotStargateRouter","type":"error"},{"inputs":[],"name":"RpSentNativeIn","type":"error"},{"inputs":[{"internalType":"bytes","name":"_adapterData","type":"bytes"},{"internalType":"bytes","name":"_swapData","type":"bytes"},{"internalType":"bytes","name":"_payloadData","type":"bytes"}],"name":"adapterBridge","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"uint16","name":"_dstChainId","type":"uint16"},{"internalType":"uint8","name":"_functionType","type":"uint8"},{"internalType":"address","name":"_receiver","type":"address"},{"internalType":"uint256","name":"_gas","type":"uint256"},{"internalType":"uint256","name":"_dustAmount","type":"uint256"},{"internalType":"bytes","name":"_payload","type":"bytes"}],"name":"getFee","outputs":[{"internalType":"uint256","name":"a","type":"uint256"},{"internalType":"uint256","name":"b","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"rp","outputs":[{"internalType":"contract IRouteProcessor","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes","name":"_adapterData","type":"bytes"}],"name":"sendMessage","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint16","name":"","type":"uint16"},{"internalType":"bytes","name":"","type":"bytes"},{"internalType":"uint256","name":"","type":"uint256"},{"internalType":"address","name":"_token","type":"address"},{"internalType":"uint256","name":"amountLD","type":"uint256"},{"internalType":"bytes","name":"payload","type":"bytes"}],"name":"sgReceive","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"sgeth","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"stargateRouter","outputs":[{"internalType":"contract IStargateRouter","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"stargateWidget","outputs":[{"internalType":"contract IStargateWidget","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_amountBridged","type":"uint256"},{"internalType":"bytes","name":"_swapData","type":"bytes"},{"internalType":"address","name":"_token","type":"address"},{"internalType":"bytes","name":"_payloadData","type":"bytes"}],"name":"swap","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[],"name":"weth","outputs":[{"internalType":"contract IWETH","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"stateMutability":"payable","type":"receive"}]

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0000000000000000000000008731d54e9d02c286767d56ac03e8037c07e01e9800000000000000000000000076d4d68966728894961aa3ddc1d5b0e45668a5a600000000000000000000000072e2f4830b9e45d52f80ac08cb2bec0fef72ed9c000000000000000000000000827179dd56d07a7eea32e3873493835da2866976000000000000000000000000c02aaa39b223fe8d0a0e5c4f27ead9083c756cc2

-----Decoded View---------------
Arg [0] : _stargateRouter (address): 0x8731d54E9D02c286767d56ac03e8037C07e01e98
Arg [1] : _stargateWidget (address): 0x76d4d68966728894961AA3DDC1d5B0e45668a5A6
Arg [2] : _sgeth (address): 0x72E2F4830b9E45d52F80aC08CB2bEC0FeF72eD9c
Arg [3] : _rp (address): 0x827179dD56d07A7eeA32e3873493835da2866976
Arg [4] : _weth (address): 0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2

-----Encoded View---------------
5 Constructor Arguments found :
Arg [0] : 0000000000000000000000008731d54e9d02c286767d56ac03e8037c07e01e98
Arg [1] : 00000000000000000000000076d4d68966728894961aa3ddc1d5b0e45668a5a6
Arg [2] : 00000000000000000000000072e2f4830b9e45d52f80ac08cb2bec0fef72ed9c
Arg [3] : 000000000000000000000000827179dd56d07a7eea32e3873493835da2866976
Arg [4] : 000000000000000000000000c02aaa39b223fe8d0a0e5c4f27ead9083c756cc2