creation_sourcecode: {{
    "language": "Solidity",
    "sources": {
      "src/Across.sol": {
        "content": "// SPDX-License-Identifier: UNLICENSED\r\npragma solidity 0.8.17;\r\n\r\nimport { SpokePoolInterface } from \"./interfaces/SpokePoolInterface.sol\";\r\nimport { Ownable } from \"openzeppelin/access/Ownable.sol\";\r\nimport { SafeERC20 } from \"openzeppelin/token/ERC20/utils/SafeERC20.sol\";\r\nimport { IERC20 } from \"openzeppelin/token/ERC20/IERC20.sol\";\r\nimport { Transfer } from \"./Transfer.sol\";\r\n \r\ncontract Across is Transfer {\r\n\r\n    /*//////////////////////////////////////////////////////////////\r\n                                 STRUCTS\r\n    //////////////////////////////////////////////////////////////*/\r\n    \r\n    struct BridgeParams {\r\n        address dstAcrossReceiver;              // the Across Transfer contract on dst chain\r\n        address bridgeToken;\r\n        uint256 destinationChainId;\r\n        int64 relayerFeePct;                    // must be queried from Across then passed in from API\r\n        uint32 quoteTimestamp;                  // must be queried from Across then passed in from API\r\n    }\r\n\r\n\r\n    /*//////////////////////////////////////////////////////////////\r\n                                CONSTANTS\r\n    //////////////////////////////////////////////////////////////*/\r\n\r\n    uint256 internal constant MAX_UINT = type(uint256).max;\r\n\r\n    /*//////////////////////////////////////////////////////////////\r\n                               CONSTRUCTOR\r\n    //////////////////////////////////////////////////////////////*/ \r\n\r\n    constructor(address _acrossRouter, address[] memory _swapRouters) Transfer(_acrossRouter, _swapRouters) {}\r\n\r\n    /*//////////////////////////////////////////////////////////////\r\n                             INTERNAL LOGIC\r\n    //////////////////////////////////////////////////////////////*/ \r\n\r\n    /// @param _bridgeTxn The struct containing the bridge transaction data\r\n    /// @param _receivingSwapTxn The struct containing receiving swap data\r\n    /// @param _bridgeTokenAmount The amount of bridge token to transfer to the destination chain\r\n    function bridge(\r\n            BridgeParams calldata _bridgeTxn,\r\n            ReceivingSwapParams calldata _receivingSwapTxn,\r\n            uint256 _bridgeTokenAmount\r\n    ) internal { \r\n        // encode payload data to send as message to the spoke pool (Across bridge router), which will send \r\n        // the payload to handleAcrossMessage() on the Transfer contract on dst chain (destination contract)\r\n        bytes memory payload = abi.encode(_receivingSwapTxn);\r\n\r\n        // this contract needs to approve the spoke pool to spend its tokens\r\n        SafeERC20.safeApprove(IERC20(_bridgeTxn.bridgeToken), bridgeRouter, 0);\r\n        SafeERC20.safeApprove(IERC20(_bridgeTxn.bridgeToken), bridgeRouter, _bridgeTokenAmount);\r\n\r\n        // Across spoke pool .deposit() function sends the tokens to the destination chain.\r\n        SpokePoolInterface(bridgeRouter).deposit{value: 0}(\r\n            _bridgeTxn.dstAcrossReceiver,\r\n            _bridgeTxn.bridgeToken,\r\n            _bridgeTokenAmount,\r\n            _bridgeTxn.destinationChainId,\r\n            _bridgeTxn.relayerFeePct,\r\n            _bridgeTxn.quoteTimestamp,\r\n            payload,\r\n            MAX_UINT                            // _bridgeTxn.maxCount\r\n        );\r\n    }\r\n\r\n    /*//////////////////////////////////////////////////////////////\r\n                             EXTERNAL LOGIC\r\n    //////////////////////////////////////////////////////////////*/\r\n\r\n    /// @param _swapTxn The struct containing the swap transaction data\r\n    /// @param _bridgeTxn The struct containing the bridge transaction data\r\n    function transfer(\r\n        SwapParams calldata _swapTxn,\r\n        BridgeParams calldata _bridgeTxn, \r\n        ReceivingSwapParams calldata _receivingSwapTxn\r\n    ) external payable nonReentrant {\r\n        uint256 bridgeTokenAmount = setUpTransfer(_swapTxn, 0, _bridgeTxn.bridgeToken);\r\n\r\n        bridge(\r\n            _bridgeTxn,\r\n            _receivingSwapTxn,\r\n            bridgeTokenAmount\r\n        );\r\n\r\n        emit TransferSent(\r\n            _receivingSwapTxn.uuid,\r\n            block.chainid,\r\n            _swapTxn.tokenIn,\r\n            _swapTxn.tokenInAmount,\r\n            _bridgeTxn.bridgeToken,\r\n            bridgeTokenAmount,\r\n            _swapTxn.router\r\n        );\r\n    }\r\n\r\n    // NOTE: this is our receiver function for the Transfer contract on destination chain, as specified by Across docs\r\n    function handleAcrossMessage(\r\n        address _tokenSent, \r\n        uint256 _amount, \r\n        bool, // fillCompleted unused\r\n        address, // relayer is unused \r\n        bytes calldata _payload\r\n    ) external {\r\n        require(\r\n            msg.sender == address(bridgeRouter), \r\n            \"only spoke pool can call handleAcrossMessage!\"\r\n        );\r\n\r\n        completeTransfer(_tokenSent, _amount, _payload);\r\n    }\r\n\r\n}"
      },
      "src/interfaces/SpokePoolInterface.sol": {
        "content": "// SPDX-License-Identifier: GPL-3.0-only\r\npragma solidity ^0.8.0;\r\n\r\n/**\r\n * @notice Contains common data structures and functions used by all SpokePool implementations.\r\n */\r\ninterface SpokePoolInterface {\r\n    // This leaf is meant to be decoded in the SpokePool to pay out successful relayers.\r\n    struct RelayerRefundLeaf {\r\n        // This is the amount to return to the HubPool. This occurs when there is a PoolRebalanceLeaf netSendAmount that\r\n        // is negative. This is just the negative of this value.\r\n        uint256 amountToReturn;\r\n        // Used to verify that this is being executed on the correct destination chainId.\r\n        uint256 chainId;\r\n        // This array designates how much each of those addresses should be refunded.\r\n        uint256[] refundAmounts;\r\n        // Used as the index in the bitmap to track whether this leaf has been executed or not.\r\n        uint32 leafId;\r\n        // The associated L2TokenAddress that these claims apply to.\r\n        address l2TokenAddress;\r\n        // Must be same length as refundAmounts and designates each address that must be refunded.\r\n        address[] refundAddresses;\r\n    }\r\n\r\n    // This struct represents the data to fully specify a relay. If any portion of this data differs, the relay is\r\n    // considered to be completely distinct. Only one relay for a particular depositId, chainId pair should be\r\n    // considered valid and repaid. This data is hashed and inserted into the slow relay merkle root so that an off\r\n    // chain validator can choose when to refund slow relayers.\r\n    struct RelayData {\r\n        // The address that made the deposit on the origin chain.\r\n        address depositor;\r\n        // The recipient address on the destination chain.\r\n        address recipient;\r\n        // The corresponding token address on the destination chain.\r\n        address destinationToken;\r\n        // The total relay amount before fees are taken out.\r\n        uint256 amount;\r\n        // Origin chain id.\r\n        uint256 originChainId;\r\n        // Destination chain id.\r\n        uint256 destinationChainId;\r\n        // The LP Fee percentage computed by the relayer based on the deposit's quote timestamp\r\n        // and the HubPool's utilization.\r\n        int64 realizedLpFeePct;\r\n        // The relayer fee percentage specified in the deposit.\r\n        int64 relayerFeePct;\r\n        // The id uniquely identifying this deposit on the origin chain.\r\n        uint32 depositId;\r\n        // Data that is forwarded to the recipient.\r\n        bytes message;\r\n    }\r\n\r\n    struct SlowFill {\r\n        RelayData relayData;\r\n        int256 payoutAdjustmentPct;\r\n    }\r\n\r\n    // Stores collection of merkle roots that can be published to this contract from the HubPool, which are referenced\r\n    // by \"data workers\" via inclusion proofs to execute leaves in the roots.\r\n    struct RootBundle {\r\n        // Merkle root of slow relays that were not fully filled and whose recipient is still owed funds from the LP pool.\r\n        bytes32 slowRelayRoot;\r\n        // Merkle root of relayer refunds for successful relays.\r\n        bytes32 relayerRefundRoot;\r\n        // This is a 2D bitmap tracking which leaves in the relayer refund root have been claimed, with max size of\r\n        // 256x(2^248) leaves per root.\r\n        mapping(uint256 => uint256) claimedBitmap;\r\n    }\r\n\r\n    function setCrossDomainAdmin(address newCrossDomainAdmin) external;\r\n\r\n    function setHubPool(address newHubPool) external;\r\n\r\n    function setEnableRoute(\r\n        address originToken,\r\n        uint256 destinationChainId,\r\n        bool enable\r\n    ) external;\r\n\r\n    function pauseDeposits(bool pause) external;\r\n\r\n    function pauseFills(bool pause) external;\r\n\r\n    function setDepositQuoteTimeBuffer(uint32 buffer) external;\r\n\r\n    function relayRootBundle(bytes32 relayerRefundRoot, bytes32 slowRelayRoot) external;\r\n\r\n    function emergencyDeleteRootBundle(uint256 rootBundleId) external;\r\n\r\n    function deposit(\r\n        address recipient,\r\n        address originToken,\r\n        uint256 amount,\r\n        uint256 destinationChainId,\r\n        int64 relayerFeePct,\r\n        uint32 quoteTimestamp,\r\n        bytes memory message,\r\n        uint256 maxCount\r\n    ) external payable;\r\n\r\n    function speedUpDeposit(\r\n        address depositor,\r\n        int64 updatedRelayerFeePct,\r\n        uint32 depositId,\r\n        address updatedRecipient,\r\n        bytes memory updatedMessage,\r\n        bytes memory depositorSignature\r\n    ) external;\r\n\r\n    function fillRelay(\r\n        address depositor,\r\n        address recipient,\r\n        address destinationToken,\r\n        uint256 amount,\r\n        uint256 maxTokensToSend,\r\n        uint256 repaymentChainId,\r\n        uint256 originChainId,\r\n        int64 realizedLpFeePct,\r\n        int64 relayerFeePct,\r\n        uint32 depositId,\r\n        bytes memory message,\r\n        uint256 maxCount\r\n    ) external;\r\n\r\n    function fillRelayWithUpdatedDeposit(\r\n        address depositor,\r\n        address recipient,\r\n        address updatedRecipient,\r\n        address destinationToken,\r\n        uint256 amount,\r\n        uint256 maxTokensToSend,\r\n        uint256 repaymentChainId,\r\n        uint256 originChainId,\r\n        int64 realizedLpFeePct,\r\n        int64 relayerFeePct,\r\n        int64 updatedRelayerFeePct,\r\n        uint32 depositId,\r\n        bytes memory message,\r\n        bytes memory updatedMessage,\r\n        bytes memory depositorSignature,\r\n        uint256 maxCount\r\n    ) external;\r\n\r\n    function executeSlowRelayLeaf(\r\n        address depositor,\r\n        address recipient,\r\n        address destinationToken,\r\n        uint256 amount,\r\n        uint256 originChainId,\r\n        int64 realizedLpFeePct,\r\n        int64 relayerFeePct,\r\n        uint32 depositId,\r\n        uint32 rootBundleId,\r\n        bytes memory message,\r\n        int256 payoutAdjustment,\r\n        bytes32[] memory proof\r\n    ) external;\r\n\r\n    function executeRelayerRefundLeaf(\r\n        uint32 rootBundleId,\r\n        SpokePoolInterface.RelayerRefundLeaf memory relayerRefundLeaf,\r\n        bytes32[] memory proof\r\n    ) external;\r\n\r\n    function chainId() external view returns (uint256);\r\n}"
      },
      "lib/openzeppelin-contracts/contracts/access/Ownable.sol": {
        "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.7.0) (access/Ownable.sol)\n\npragma solidity ^0.8.0;\n\nimport \"../utils/Context.sol\";\n\n/**\n * @dev Contract module which provides a basic access control mechanism, where\n * there is an account (an owner) that can be granted exclusive access to\n * specific functions.\n *\n * By default, the owner account will be the one that deploys the contract. This\n * can later be changed with {transferOwnership}.\n *\n * This module is used through inheritance. It will make available the modifier\n * `onlyOwner`, which can be applied to your functions to restrict their use to\n * the owner.\n */\nabstract contract Ownable is Context {\n    address private _owner;\n\n    event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);\n\n    /**\n     * @dev Initializes the contract setting the deployer as the initial owner.\n     */\n    constructor() {\n        _transferOwnership(_msgSender());\n    }\n\n    /**\n     * @dev Throws if called by any account other than the owner.\n     */\n    modifier onlyOwner() {\n        _checkOwner();\n        _;\n    }\n\n    /**\n     * @dev Returns the address of the current owner.\n     */\n    function owner() public view virtual returns (address) {\n        return _owner;\n    }\n\n    /**\n     * @dev Throws if the sender is not the owner.\n     */\n    function _checkOwner() internal view virtual {\n        require(owner() == _msgSender(), \"Ownable: caller is not the owner\");\n    }\n\n    /**\n     * @dev Leaves the contract without owner. It will not be possible to call\n     * `onlyOwner` functions anymore. Can only be called by the current owner.\n     *\n     * NOTE: Renouncing ownership will leave the contract without an owner,\n     * thereby removing any functionality that is only available to the owner.\n     */\n    function renounceOwnership() public virtual onlyOwner {\n        _transferOwnership(address(0));\n    }\n\n    /**\n     * @dev Transfers ownership of the contract to a new account (`newOwner`).\n     * Can only be called by the current owner.\n     */\n    function transferOwnership(address newOwner) public virtual onlyOwner {\n        require(newOwner != address(0), \"Ownable: new owner is the zero address\");\n        _transferOwnership(newOwner);\n    }\n\n    /**\n     * @dev Transfers ownership of the contract to a new account (`newOwner`).\n     * Internal function without access restriction.\n     */\n    function _transferOwnership(address newOwner) internal virtual {\n        address oldOwner = _owner;\n        _owner = newOwner;\n        emit OwnershipTransferred(oldOwner, newOwner);\n    }\n}\n"
      },
      "lib/openzeppelin-contracts/contracts/token/ERC20/utils/SafeERC20.sol": {
        "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.8.0) (token/ERC20/utils/SafeERC20.sol)\n\npragma solidity ^0.8.0;\n\nimport \"../IERC20.sol\";\nimport \"../extensions/IERC20Permit.sol\";\nimport \"../../../utils/Address.sol\";\n\n/**\n * @title SafeERC20\n * @dev Wrappers around ERC20 operations that throw on failure (when the token\n * contract returns false). Tokens that return no value (and instead revert or\n * throw on failure) are also supported, non-reverting calls are assumed to be\n * successful.\n * To use this library you can add a `using SafeERC20 for IERC20;` statement to your contract,\n * which allows you to call the safe operations as `token.safeTransfer(...)`, etc.\n */\nlibrary SafeERC20 {\n    using Address for address;\n\n    function safeTransfer(\n        IERC20 token,\n        address to,\n        uint256 value\n    ) internal {\n        _callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value));\n    }\n\n    function safeTransferFrom(\n        IERC20 token,\n        address from,\n        address to,\n        uint256 value\n    ) internal {\n        _callOptionalReturn(token, abi.encodeWithSelector(token.transferFrom.selector, from, to, value));\n    }\n\n    /**\n     * @dev Deprecated. This function has issues similar to the ones found in\n     * {IERC20-approve}, and its usage is discouraged.\n     *\n     * Whenever possible, use {safeIncreaseAllowance} and\n     * {safeDecreaseAllowance} instead.\n     */\n    function safeApprove(\n        IERC20 token,\n        address spender,\n        uint256 value\n    ) internal {\n        // safeApprove should only be called when setting an initial allowance,\n        // or when resetting it to zero. To increase and decrease it, use\n        // 'safeIncreaseAllowance' and 'safeDecreaseAllowance'\n        require(\n            (value == 0) || (token.allowance(address(this), spender) == 0),\n            \"SafeERC20: approve from non-zero to non-zero allowance\"\n        );\n        _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, value));\n    }\n\n    function safeIncreaseAllowance(\n        IERC20 token,\n        address spender,\n        uint256 value\n    ) internal {\n        uint256 newAllowance = token.allowance(address(this), spender) + value;\n        _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));\n    }\n\n    function safeDecreaseAllowance(\n        IERC20 token,\n        address spender,\n        uint256 value\n    ) internal {\n        unchecked {\n            uint256 oldAllowance = token.allowance(address(this), spender);\n            require(oldAllowance >= value, \"SafeERC20: decreased allowance below zero\");\n            uint256 newAllowance = oldAllowance - value;\n            _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));\n        }\n    }\n\n    function safePermit(\n        IERC20Permit token,\n        address owner,\n        address spender,\n        uint256 value,\n        uint256 deadline,\n        uint8 v,\n        bytes32 r,\n        bytes32 s\n    ) internal {\n        uint256 nonceBefore = token.nonces(owner);\n        token.permit(owner, spender, value, deadline, v, r, s);\n        uint256 nonceAfter = token.nonces(owner);\n        require(nonceAfter == nonceBefore + 1, \"SafeERC20: permit did not succeed\");\n    }\n\n    /**\n     * @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement\n     * on the return value: the return value is optional (but if data is returned, it must not be false).\n     * @param token The token targeted by the call.\n     * @param data The call data (encoded using abi.encode or one of its variants).\n     */\n    function _callOptionalReturn(IERC20 token, bytes memory data) private {\n        // We need to perform a low level call here, to bypass Solidity's return data size checking mechanism, since\n        // we're implementing it ourselves. We use {Address-functionCall} to perform this call, which verifies that\n        // the target address contains contract code and also asserts for success in the low-level call.\n\n        bytes memory returndata = address(token).functionCall(data, \"SafeERC20: low-level call failed\");\n        if (returndata.length > 0) {\n            // Return data is optional\n            require(abi.decode(returndata, (bool)), \"SafeERC20: ERC20 operation did not succeed\");\n        }\n    }\n}\n"
      },
      "lib/openzeppelin-contracts/contracts/token/ERC20/IERC20.sol": {
        "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.6.0) (token/ERC20/IERC20.sol)\n\npragma solidity ^0.8.0;\n\n/**\n * @dev Interface of the ERC20 standard as defined in the EIP.\n */\ninterface IERC20 {\n    /**\n     * @dev Emitted when `value` tokens are moved from one account (`from`) to\n     * another (`to`).\n     *\n     * Note that `value` may be zero.\n     */\n    event Transfer(address indexed from, address indexed to, uint256 value);\n\n    /**\n     * @dev Emitted when the allowance of a `spender` for an `owner` is set by\n     * a call to {approve}. `value` is the new allowance.\n     */\n    event Approval(address indexed owner, address indexed spender, uint256 value);\n\n    /**\n     * @dev Returns the amount of tokens in existence.\n     */\n    function totalSupply() external view returns (uint256);\n\n    /**\n     * @dev Returns the amount of tokens owned by `account`.\n     */\n    function balanceOf(address account) external view returns (uint256);\n\n    /**\n     * @dev Moves `amount` tokens from the caller's account to `to`.\n     *\n     * Returns a boolean value indicating whether the operation succeeded.\n     *\n     * Emits a {Transfer} event.\n     */\n    function transfer(address to, uint256 amount) external returns (bool);\n\n    /**\n     * @dev Returns the remaining number of tokens that `spender` will be\n     * allowed to spend on behalf of `owner` through {transferFrom}. This is\n     * zero by default.\n     *\n     * This value changes when {approve} or {transferFrom} are called.\n     */\n    function allowance(address owner, address spender) external view returns (uint256);\n\n    /**\n     * @dev Sets `amount` as the allowance of `spender` over the caller's tokens.\n     *\n     * Returns a boolean value indicating whether the operation succeeded.\n     *\n     * IMPORTANT: Beware that changing an allowance with this method brings the risk\n     * that someone may use both the old and the new allowance by unfortunate\n     * transaction ordering. One possible solution to mitigate this race\n     * condition is to first reduce the spender's allowance to 0 and set the\n     * desired value afterwards:\n     * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729\n     *\n     * Emits an {Approval} event.\n     */\n    function approve(address spender, uint256 amount) external returns (bool);\n\n    /**\n     * @dev Moves `amount` tokens from `from` to `to` using the\n     * allowance mechanism. `amount` is then deducted from the caller's\n     * allowance.\n     *\n     * Returns a boolean value indicating whether the operation succeeded.\n     *\n     * Emits a {Transfer} event.\n     */\n    function transferFrom(\n        address from,\n        address to,\n        uint256 amount\n    ) external returns (bool);\n}\n"
      },
      "src/Transfer.sol": {
        "content": "// SPDX-License-Identifier: UNLICENSED\r\npragma solidity 0.8.17;\r\n\r\nimport { Ownable } from \"openzeppelin/access/Ownable.sol\";\r\nimport { SafeERC20 } from \"openzeppelin/token/ERC20/utils/SafeERC20.sol\";\r\nimport { IERC20 } from \"openzeppelin/token/ERC20/IERC20.sol\"; \r\nimport { ReentrancyGuard } from \"openzeppelin/security/ReentrancyGuard.sol\";\r\n\r\ncontract Transfer is Ownable, ReentrancyGuard {\r\n\r\n    /*//////////////////////////////////////////////////////////////\r\n                                 EVENTS\r\n    //////////////////////////////////////////////////////////////*/\r\n\r\n    event TransferSent(\r\n        uint128 uuid,\r\n        uint256 srcChain,\r\n        address srcChainToken,\r\n        uint256 srcChainTokenQty,\r\n        address srcChainBridgeToken,\r\n        uint256 srcChainBridgeTokenQty,\r\n        address srcChainAggregator\r\n    );\r\n\r\n    event TransferComplete(\r\n        uint128 uuid,\r\n        uint256 dstChain,\r\n        address dstChainToken,\r\n        uint256 dstChainTokenQty,\r\n        address dstChainBridgeToken,\r\n        uint256 dstChainBridgeTokenQty,\r\n        address dstChainAggregator,\r\n        bool dstChainSwapSuccess,\r\n        address to\r\n    );\r\n\r\n    event Withdrawal(\r\n        address to,\r\n        address token,\r\n        uint256 amount\r\n    );\r\n\r\n    /*//////////////////////////////////////////////////////////////\r\n                                 STRUCTS\r\n    //////////////////////////////////////////////////////////////*/\r\n\r\n    struct SwapParams {\r\n        address tokenIn;\r\n        uint256 tokenInAmount;\r\n        uint256 fee;\r\n        address router;\r\n        bytes txnCallData;\r\n    }\r\n\r\n    struct ReceivingSwapParams {\r\n        address dstChainTo;\r\n        address router;\r\n        address dstSwapToken;\r\n        uint128 fee;\r\n        uint128 uuid;\r\n        bytes txnCallData;\r\n    }\r\n\r\n    /*//////////////////////////////////////////////////////////////\r\n                                  STATE\r\n    //////////////////////////////////////////////////////////////*/\r\n\r\n    address public bridgeRouter;\r\n    mapping(address => bool) public swapRouters;\r\n\r\n    /*//////////////////////////////////////////////////////////////\r\n                                CONSTANTS\r\n    //////////////////////////////////////////////////////////////*/\r\n\r\n    address internal NATIVE_TOKEN = address(0);\r\n\r\n    /*//////////////////////////////////////////////////////////////\r\n                               CONSTRUCTOR\r\n    //////////////////////////////////////////////////////////////*/ \r\n\r\n    constructor(address _bridgeRouter, address[] memory _swapRouters) Ownable() {\r\n        bridgeRouter = _bridgeRouter;\r\n\r\n        uint256 l = _swapRouters.length; \r\n        for (uint256 i = 0; i < l; ) {\r\n            swapRouters[_swapRouters[i]] = true;\r\n\r\n            unchecked {\r\n                ++i;\r\n            }\r\n        }\r\n    }\r\n\r\n    /*//////////////////////////////////////////////////////////////\r\n                                 SETTERS\r\n    //////////////////////////////////////////////////////////////*/\r\n\r\n    function setBridgeRouter(address _bridgeRouter) external onlyOwner {\r\n        bridgeRouter = _bridgeRouter;\r\n    }\r\n\r\n    function setSwapRouter(address _swapRouter, bool _isAllowed) external onlyOwner {\r\n        swapRouters[_swapRouter] = _isAllowed;\r\n    }\r\n\r\n    /*//////////////////////////////////////////////////////////////\r\n                             INTERNAL LOGIC\r\n    //////////////////////////////////////////////////////////////*/ \r\n\r\n    /// @param _swapTxn The parameters for the swap transaction \r\n    /// @param _tokenOut The token user wants to swap to\r\n    function swap(\r\n        SwapParams memory _swapTxn,\r\n        address _tokenOut\r\n    ) internal returns (uint256) {\r\n        require(swapRouters[_swapTxn.router], \"invalid swap router\");\r\n\r\n        if (address(_swapTxn.tokenIn) != NATIVE_TOKEN) {\r\n            uint256 allowance = IERC20(_swapTxn.tokenIn).allowance(address(this), _swapTxn.router);\r\n            if (allowance < _swapTxn.tokenInAmount) {\r\n                SafeERC20.safeApprove(IERC20(_swapTxn.tokenIn), _swapTxn.router, 0);\r\n                SafeERC20.safeApprove(IERC20(_swapTxn.tokenIn), _swapTxn.router, _swapTxn.tokenInAmount);\r\n            }\r\n        }\r\n\r\n        uint256 previousTokenOutBalance; \r\n        if (address(_tokenOut) != NATIVE_TOKEN) {\r\n            previousTokenOutBalance = IERC20(_tokenOut).balanceOf(address(this));\r\n        } else {\r\n            previousTokenOutBalance = address(this).balance;\r\n        }\r\n\r\n        (bool success, ) = _swapTxn.router.call{value: _swapTxn.fee}(_swapTxn.txnCallData);\r\n        \r\n        uint256 tokenOutAmount;\r\n        if (address(_tokenOut) != NATIVE_TOKEN) {\r\n            tokenOutAmount = IERC20(_tokenOut).balanceOf(address(this)) - previousTokenOutBalance; \r\n        } else {\r\n            tokenOutAmount = address(this).balance - previousTokenOutBalance;\r\n        }\r\n\r\n        return tokenOutAmount;\r\n    }\r\n    \r\n    function setUpTransfer(SwapParams calldata _swapTxn, uint256 _bridgeFee, address _bridgeToken) internal returns (uint256) {\r\n        require(msg.value >= (_swapTxn.fee + _bridgeFee), \"insufficient value for fees\");\r\n        require(_swapTxn.tokenInAmount > 0, \"transfer amount must be greater than 0\");\r\n\r\n        uint256 bridgeTokenAmount = _swapTxn.tokenInAmount;\r\n\r\n        // transfer _tokenIn to this contract if _tokenIn is not native token\r\n        if (address(_swapTxn.tokenIn) != NATIVE_TOKEN) {\r\n            require(\r\n                IERC20(_swapTxn.tokenIn).allowance(msg.sender, address(this)) >= _swapTxn.tokenInAmount, \r\n                \"ERC 20 approval required by user\"\r\n            );\r\n\r\n            SafeERC20.safeTransferFrom(\r\n                IERC20(_swapTxn.tokenIn), \r\n                msg.sender, \r\n                address(this), \r\n                _swapTxn.tokenInAmount\r\n            );\r\n        }\r\n\r\n        // swap _tokenIn for bridgeToken if _tokenIn is not bridgeToken (router address won't be 0)\r\n        if (address(_swapTxn.router) != address(0)) {\r\n            bridgeTokenAmount = swap(\r\n                _swapTxn,\r\n                _bridgeToken\r\n            );\r\n            require((bridgeTokenAmount > 0), \"SWAP FAILED\");\r\n        }\r\n\r\n        return bridgeTokenAmount;\r\n    }\r\n\r\n    function completeTransfer(address _tokenReceived, uint256 _bridgeTokenAmount, bytes calldata _payload) internal {\r\n        ReceivingSwapParams memory receivingSwapTxn = abi.decode(_payload, (ReceivingSwapParams));\r\n\r\n        if (_tokenReceived == receivingSwapTxn.dstSwapToken) { \r\n            // No swap needed on dst chain\r\n            SafeERC20.safeTransfer(IERC20(_tokenReceived), receivingSwapTxn.dstChainTo, _bridgeTokenAmount);\r\n\r\n            emit TransferComplete(\r\n                receivingSwapTxn.uuid,\r\n                block.chainid,\r\n                receivingSwapTxn.dstSwapToken,\r\n                0,\r\n                _tokenReceived,\r\n                _bridgeTokenAmount,\r\n                receivingSwapTxn.router,\r\n                true,\r\n                receivingSwapTxn.dstChainTo\r\n            );\r\n        } else {\r\n            // Swap needed on dst chain\r\n            uint256 preBridgeTokenBalance = IERC20(_tokenReceived).balanceOf(address(this));\r\n\r\n            uint256 dstSwapTokenBalance = swap(\r\n                SwapParams(_tokenReceived, \r\n                _bridgeTokenAmount, \r\n                receivingSwapTxn.fee, \r\n                receivingSwapTxn.router, \r\n                receivingSwapTxn.txnCallData),\r\n                receivingSwapTxn.dstSwapToken\r\n            );\r\n\r\n            // Post swap token balances\r\n            uint256 postBridgeTokenBalance = IERC20(_tokenReceived).balanceOf(address(this));\r\n            uint256 bridgeTokenSwappedOutBalance = preBridgeTokenBalance - postBridgeTokenBalance;\r\n            uint256 leftOverBridgeTokenBalance = _bridgeTokenAmount - bridgeTokenSwappedOutBalance;\r\n\r\n            // Send receiving address swapped token\r\n            if (dstSwapTokenBalance > 0) {\r\n                if (receivingSwapTxn.dstSwapToken == NATIVE_TOKEN) {\r\n                    payable(receivingSwapTxn.dstChainTo).transfer(dstSwapTokenBalance);\r\n                } else {\r\n                    SafeERC20.safeTransfer(IERC20(receivingSwapTxn.dstSwapToken), receivingSwapTxn.dstChainTo, dstSwapTokenBalance);\r\n                }\r\n            }\r\n\r\n            // Send receiving address left over bridge token\r\n            if (leftOverBridgeTokenBalance > 0) {\r\n                SafeERC20.safeTransfer(IERC20(_tokenReceived), receivingSwapTxn.dstChainTo, leftOverBridgeTokenBalance);\r\n            } \r\n\r\n            emit TransferComplete(\r\n                receivingSwapTxn.uuid,\r\n                block.chainid,\r\n                receivingSwapTxn.dstSwapToken,\r\n                dstSwapTokenBalance,\r\n                _tokenReceived,\r\n                leftOverBridgeTokenBalance,\r\n                receivingSwapTxn.router,\r\n                (dstSwapTokenBalance > 0),\r\n                receivingSwapTxn.dstChainTo\r\n            );\r\n        }\r\n    }\r\n\r\n    /*//////////////////////////////////////////////////////////////\r\n                             EXTERNAL LOGIC\r\n    //////////////////////////////////////////////////////////////*/\r\n\r\n    function withdraw(address _to, address _token, uint256 _amount) external onlyOwner {\r\n        if (_token == NATIVE_TOKEN) {\r\n            payable(_to).transfer(_amount);\r\n        } else {\r\n            SafeERC20.safeTransfer(IERC20(_token), _to, _amount);\r\n        }\r\n        emit Withdrawal(_to, _token, _amount);\r\n    }\r\n\r\n    // Payable fallback to allow this contract to receive protocol fee refunds.\r\n    receive() external payable {}\r\n}\r\n"
      },
      "lib/openzeppelin-contracts/contracts/utils/Context.sol": {
        "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (utils/Context.sol)\n\npragma solidity ^0.8.0;\n\n/**\n * @dev Provides information about the current execution context, including the\n * sender of the transaction and its data. While these are generally available\n * via msg.sender and msg.data, they should not be accessed in such a direct\n * manner, since when dealing with meta-transactions the account sending and\n * paying for execution may not be the actual sender (as far as an application\n * is concerned).\n *\n * This contract is only required for intermediate, library-like contracts.\n */\nabstract contract Context {\n    function _msgSender() internal view virtual returns (address) {\n        return msg.sender;\n    }\n\n    function _msgData() internal view virtual returns (bytes calldata) {\n        return msg.data;\n    }\n}\n"
      },
      "lib/openzeppelin-contracts/contracts/token/ERC20/extensions/IERC20Permit.sol": {
        "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (token/ERC20/extensions/IERC20Permit.sol)\n\npragma solidity ^0.8.0;\n\n/**\n * @dev Interface of the ERC20 Permit extension allowing approvals to be made via signatures, as defined in\n * https://eips.ethereum.org/EIPS/eip-2612[EIP-2612].\n *\n * Adds the {permit} method, which can be used to change an account's ERC20 allowance (see {IERC20-allowance}) by\n * presenting a message signed by the account. By not relying on {IERC20-approve}, the token holder account doesn't\n * need to send a transaction, and thus is not required to hold Ether at all.\n */\ninterface IERC20Permit {\n    /**\n     * @dev Sets `value` as the allowance of `spender` over ``owner``'s tokens,\n     * given ``owner``'s signed approval.\n     *\n     * IMPORTANT: The same issues {IERC20-approve} has related to transaction\n     * ordering also apply here.\n     *\n     * Emits an {Approval} event.\n     *\n     * Requirements:\n     *\n     * - `spender` cannot be the zero address.\n     * - `deadline` must be a timestamp in the future.\n     * - `v`, `r` and `s` must be a valid `secp256k1` signature from `owner`\n     * over the EIP712-formatted function arguments.\n     * - the signature must use ``owner``'s current nonce (see {nonces}).\n     *\n     * For more information on the signature format, see the\n     * https://eips.ethereum.org/EIPS/eip-2612#specification[relevant EIP\n     * section].\n     */\n    function permit(\n        address owner,\n        address spender,\n        uint256 value,\n        uint256 deadline,\n        uint8 v,\n        bytes32 r,\n        bytes32 s\n    ) external;\n\n    /**\n     * @dev Returns the current nonce for `owner`. This value must be\n     * included whenever a signature is generated for {permit}.\n     *\n     * Every successful call to {permit} increases ``owner``'s nonce by one. This\n     * prevents a signature from being used multiple times.\n     */\n    function nonces(address owner) external view returns (uint256);\n\n    /**\n     * @dev Returns the domain separator used in the encoding of the signature for {permit}, as defined by {EIP712}.\n     */\n    // solhint-disable-next-line func-name-mixedcase\n    function DOMAIN_SEPARATOR() external view returns (bytes32);\n}\n"
      },
      "lib/openzeppelin-contracts/contracts/utils/Address.sol": {
        "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.8.0) (utils/Address.sol)\n\npragma solidity ^0.8.1;\n\n/**\n * @dev Collection of functions related to the address type\n */\nlibrary Address {\n    /**\n     * @dev Returns true if `account` is a contract.\n     *\n     * [IMPORTANT]\n     * ====\n     * It is unsafe to assume that an address for which this function returns\n     * false is an externally-owned account (EOA) and not a contract.\n     *\n     * Among others, `isContract` will return false for the following\n     * types of addresses:\n     *\n     *  - an externally-owned account\n     *  - a contract in construction\n     *  - an address where a contract will be created\n     *  - an address where a contract lived, but was destroyed\n     * ====\n     *\n     * [IMPORTANT]\n     * ====\n     * You shouldn't rely on `isContract` to protect against flash loan attacks!\n     *\n     * Preventing calls from contracts is highly discouraged. It breaks composability, breaks support for smart wallets\n     * like Gnosis Safe, and does not provide security since it can be circumvented by calling from a contract\n     * constructor.\n     * ====\n     */\n    function isContract(address account) internal view returns (bool) {\n        // This method relies on extcodesize/address.code.length, which returns 0\n        // for contracts in construction, since the code is only stored at the end\n        // of the constructor execution.\n\n        return account.code.length > 0;\n    }\n\n    /**\n     * @dev Replacement for Solidity's `transfer`: sends `amount` wei to\n     * `recipient`, forwarding all available gas and reverting on errors.\n     *\n     * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost\n     * of certain opcodes, possibly making contracts go over the 2300 gas limit\n     * imposed by `transfer`, making them unable to receive funds via\n     * `transfer`. {sendValue} removes this limitation.\n     *\n     * https://consensys.net/diligence/blog/2019/09/stop-using-soliditys-transfer-now/[Learn more].\n     *\n     * IMPORTANT: because control is transferred to `recipient`, care must be\n     * taken to not create reentrancy vulnerabilities. Consider using\n     * {ReentrancyGuard} or the\n     * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].\n     */\n    function sendValue(address payable recipient, uint256 amount) internal {\n        require(address(this).balance >= amount, \"Address: insufficient balance\");\n\n        (bool success, ) = recipient.call{value: amount}(\"\");\n        require(success, \"Address: unable to send value, recipient may have reverted\");\n    }\n\n    /**\n     * @dev Performs a Solidity function call using a low level `call`. A\n     * plain `call` is an unsafe replacement for a function call: use this\n     * function instead.\n     *\n     * If `target` reverts with a revert reason, it is bubbled up by this\n     * function (like regular Solidity function calls).\n     *\n     * Returns the raw returned data. To convert to the expected return value,\n     * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].\n     *\n     * Requirements:\n     *\n     * - `target` must be a contract.\n     * - calling `target` with `data` must not revert.\n     *\n     * _Available since v3.1._\n     */\n    function functionCall(address target, bytes memory data) internal returns (bytes memory) {\n        return functionCallWithValue(target, data, 0, \"Address: low-level call failed\");\n    }\n\n    /**\n     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with\n     * `errorMessage` as a fallback revert reason when `target` reverts.\n     *\n     * _Available since v3.1._\n     */\n    function functionCall(\n        address target,\n        bytes memory data,\n        string memory errorMessage\n    ) internal returns (bytes memory) {\n        return functionCallWithValue(target, data, 0, errorMessage);\n    }\n\n    /**\n     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],\n     * but also transferring `value` wei to `target`.\n     *\n     * Requirements:\n     *\n     * - the calling contract must have an ETH balance of at least `value`.\n     * - the called Solidity function must be `payable`.\n     *\n     * _Available since v3.1._\n     */\n    function functionCallWithValue(\n        address target,\n        bytes memory data,\n        uint256 value\n    ) internal returns (bytes memory) {\n        return functionCallWithValue(target, data, value, \"Address: low-level call with value failed\");\n    }\n\n    /**\n     * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but\n     * with `errorMessage` as a fallback revert reason when `target` reverts.\n     *\n     * _Available since v3.1._\n     */\n    function functionCallWithValue(\n        address target,\n        bytes memory data,\n        uint256 value,\n        string memory errorMessage\n    ) internal returns (bytes memory) {\n        require(address(this).balance >= value, \"Address: insufficient balance for call\");\n        (bool success, bytes memory returndata) = target.call{value: value}(data);\n        return verifyCallResultFromTarget(target, success, returndata, errorMessage);\n    }\n\n    /**\n     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],\n     * but performing a static call.\n     *\n     * _Available since v3.3._\n     */\n    function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {\n        return functionStaticCall(target, data, \"Address: low-level static call failed\");\n    }\n\n    /**\n     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],\n     * but performing a static call.\n     *\n     * _Available since v3.3._\n     */\n    function functionStaticCall(\n        address target,\n        bytes memory data,\n        string memory errorMessage\n    ) internal view returns (bytes memory) {\n        (bool success, bytes memory returndata) = target.staticcall(data);\n        return verifyCallResultFromTarget(target, success, returndata, errorMessage);\n    }\n\n    /**\n     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],\n     * but performing a delegate call.\n     *\n     * _Available since v3.4._\n     */\n    function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {\n        return functionDelegateCall(target, data, \"Address: low-level delegate call failed\");\n    }\n\n    /**\n     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],\n     * but performing a delegate call.\n     *\n     * _Available since v3.4._\n     */\n    function functionDelegateCall(\n        address target,\n        bytes memory data,\n        string memory errorMessage\n    ) internal returns (bytes memory) {\n        (bool success, bytes memory returndata) = target.delegatecall(data);\n        return verifyCallResultFromTarget(target, success, returndata, errorMessage);\n    }\n\n    /**\n     * @dev Tool to verify that a low level call to smart-contract was successful, and revert (either by bubbling\n     * the revert reason or using the provided one) in case of unsuccessful call or if target was not a contract.\n     *\n     * _Available since v4.8._\n     */\n    function verifyCallResultFromTarget(\n        address target,\n        bool success,\n        bytes memory returndata,\n        string memory errorMessage\n    ) internal view returns (bytes memory) {\n        if (success) {\n            if (returndata.length == 0) {\n                // only check isContract if the call was successful and the return data is empty\n                // otherwise we already know that it was a contract\n                require(isContract(target), \"Address: call to non-contract\");\n            }\n            return returndata;\n        } else {\n            _revert(returndata, errorMessage);\n        }\n    }\n\n    /**\n     * @dev Tool to verify that a low level call was successful, and revert if it wasn't, either by bubbling the\n     * revert reason or using the provided one.\n     *\n     * _Available since v4.3._\n     */\n    function verifyCallResult(\n        bool success,\n        bytes memory returndata,\n        string memory errorMessage\n    ) internal pure returns (bytes memory) {\n        if (success) {\n            return returndata;\n        } else {\n            _revert(returndata, errorMessage);\n        }\n    }\n\n    function _revert(bytes memory returndata, string memory errorMessage) private pure {\n        // Look for revert reason and bubble it up if present\n        if (returndata.length > 0) {\n            // The easiest way to bubble the revert reason is using memory via assembly\n            /// @solidity memory-safe-assembly\n            assembly {\n                let returndata_size := mload(returndata)\n                revert(add(32, returndata), returndata_size)\n            }\n        } else {\n            revert(errorMessage);\n        }\n    }\n}\n"
      },
      "lib/openzeppelin-contracts/contracts/security/ReentrancyGuard.sol": {
        "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.8.0) (security/ReentrancyGuard.sol)\n\npragma solidity ^0.8.0;\n\n/**\n * @dev Contract module that helps prevent reentrant calls to a function.\n *\n * Inheriting from `ReentrancyGuard` will make the {nonReentrant} modifier\n * available, which can be applied to functions to make sure there are no nested\n * (reentrant) calls to them.\n *\n * Note that because there is a single `nonReentrant` guard, functions marked as\n * `nonReentrant` may not call one another. This can be worked around by making\n * those functions `private`, and then adding `external` `nonReentrant` entry\n * points to them.\n *\n * TIP: If you would like to learn more about reentrancy and alternative ways\n * to protect against it, check out our blog post\n * https://blog.openzeppelin.com/reentrancy-after-istanbul/[Reentrancy After Istanbul].\n */\nabstract contract ReentrancyGuard {\n    // Booleans are more expensive than uint256 or any type that takes up a full\n    // word because each write operation emits an extra SLOAD to first read the\n    // slot's contents, replace the bits taken up by the boolean, and then write\n    // back. This is the compiler's defense against contract upgrades and\n    // pointer aliasing, and it cannot be disabled.\n\n    // The values being non-zero value makes deployment a bit more expensive,\n    // but in exchange the refund on every call to nonReentrant will be lower in\n    // amount. Since refunds are capped to a percentage of the total\n    // transaction's gas, it is best to keep them low in cases like this one, to\n    // increase the likelihood of the full refund coming into effect.\n    uint256 private constant _NOT_ENTERED = 1;\n    uint256 private constant _ENTERED = 2;\n\n    uint256 private _status;\n\n    constructor() {\n        _status = _NOT_ENTERED;\n    }\n\n    /**\n     * @dev Prevents a contract from calling itself, directly or indirectly.\n     * Calling a `nonReentrant` function from another `nonReentrant`\n     * function is not supported. It is possible to prevent this from happening\n     * by making the `nonReentrant` function external, and making it call a\n     * `private` function that does the actual work.\n     */\n    modifier nonReentrant() {\n        _nonReentrantBefore();\n        _;\n        _nonReentrantAfter();\n    }\n\n    function _nonReentrantBefore() private {\n        // On the first call to nonReentrant, _status will be _NOT_ENTERED\n        require(_status != _ENTERED, \"ReentrancyGuard: reentrant call\");\n\n        // Any calls to nonReentrant after this point will fail\n        _status = _ENTERED;\n    }\n\n    function _nonReentrantAfter() private {\n        // By storing the original value once again, a refund is triggered (see\n        // https://eips.ethereum.org/EIPS/eip-2200)\n        _status = _NOT_ENTERED;\n    }\n\n    /**\n     * @dev Returns true if the reentrancy guard is currently set to \"entered\", which indicates there is a\n     * `nonReentrant` function in the call stack.\n     */\n    function _reentrancyGuardEntered() internal view returns (bool) {\n        return _status == _ENTERED;\n    }\n}\n"
      }
    },
    "settings": {
      "remappings": [
        "solmate/=lib/solmate/src/",
        "forge-std/=lib/forge-std/src/",
        "stargate/=lib/stargate/contracts/",
        "openzeppelin/=lib/openzeppelin-contracts/contracts/",
        "connext/=lib/interfaces/core/",
        "ds-test/=lib/forge-std/lib/ds-test/src/",
        "erc4626-tests/=lib/openzeppelin-contracts/lib/erc4626-tests/",
        "forge-std/=lib/forge-std/src/",
        "interfaces/=lib/interfaces/",
        "openzeppelin-contracts/=lib/openzeppelin-contracts/"
      ],
      "optimizer": {
        "enabled": true,
        "runs": 200
      },
      "metadata": {
        "useLiteralContent": false,
        "bytecodeHash": "ipfs"
      },
      "outputSelection": {
        "*": {
          "*": [
            "evm.bytecode",
            "evm.deployedBytecode",
            "devdoc",
            "userdoc",
            "metadata",
            "abi"
          ]
        }
      },
      "evmVersion": "london",
      "viaIR": false,
      "libraries": {}
    }
  }}