creation_sourcecode: {{
    "language": "Solidity",
    "sources": {
      "src/UTB.sol": {
        "content": "// SPDX-License-Identifier: UNLICENSED\npragma solidity ^0.8.0;\n\nimport {Roles} from \"decent-bridge/src/utils/Roles.sol\";\nimport {SwapParams} from \"./swappers/SwapParams.sol\";\nimport {IUTB} from \"./interfaces/IUTB.sol\";\nimport {IUTBExecutor} from \"./interfaces/IUTBExecutor.sol\";\nimport {IERC20} from \"openzeppelin-contracts/interfaces/IERC20.sol\";\nimport {SafeERC20} from \"openzeppelin-contracts/token/ERC20/utils/SafeERC20.sol\";\nimport {IWETH} from \"decent-bridge/src/interfaces/IWETH.sol\";\nimport {IUTBFeeManager} from \"./interfaces/IUTBFeeManager.sol\";\nimport {IBridgeAdapter} from \"./interfaces/IBridgeAdapter.sol\";\nimport {ISwapper} from \"./interfaces/ISwapper.sol\";\nimport {SwapInstructions, FeeData, Fee, BridgeInstructions, SwapAndExecuteInstructions} from \"./CommonTypes.sol\";\n\n\ncontract UTB is IUTB, Roles {\n    constructor() Roles(msg.sender) {}\n\n    IUTBExecutor public executor;\n    IUTBFeeManager public feeManager;\n    IWETH public wrapped;\n    mapping(uint8 => address) public swappers;\n    mapping(uint8 => address) public bridgeAdapters;\n    bool public isActive = true;\n\n    /**\n     * @dev only support calling swapAndExecute and bridgeAndExecute if active\n     */\n    modifier isUtbActive() {\n        if (!isActive) revert UTBPaused();\n        _;\n    }\n\n    /**\n     * @dev Transfers fees from the sender to the fee recipients.\n     * @param feeData The bridge fee in native, as well as utb fee tokens and amounts.\n     * @param packedInfo The fees and swap instructions which were used to generate the signature.\n     * @param signature The ECDSA signature to verify the fee structure.\n     */\n    function _retrieveAndCollectFees(\n        FeeData calldata feeData,\n        bytes memory packedInfo,\n        bytes calldata signature\n    ) private returns (uint256 value) {\n        if (address(feeManager) != address(0)) {\n            feeManager.verifySignature(packedInfo, signature);\n            value += feeData.bridgeFee;\n            Fee[] memory fees = feeData.appFees;\n            for (uint i = 0; i < fees.length; i++) {\n                Fee memory fee = fees[i];\n                if (fee.token != address(0)) {\n                    SafeERC20.safeTransferFrom(\n                        IERC20(fee.token),\n                        msg.sender,\n                        fee.recipient,\n                        fee.amount\n                    );\n                } else {\n                    (bool success, ) = address(fee.recipient).call{value: fee.amount}(\"\");\n                    value += fee.amount;\n                    if (!success) revert ProtocolFeeCannotBeFetched();\n                }\n            }\n        }\n    }\n\n    /**\n     * @dev Refunds leftover native to the specified refund address.\n     * @param to The address receiving the refund.\n     * @param leftover The amount of leftover native.\n     */\n    function _refundLeftover(address to, uint256 leftover) internal {\n        if (leftover > 0) {\n            (bool success, ) = to.call{value: leftover}(\"\");\n            require(success, \"failed to refund leftover\");\n        }\n    }\n\n    /**\n     * @dev Sets the executor.\n     * @param _executor The address of the executor.\n     */\n    function setExecutor(address _executor) public onlyAdmin {\n        executor = IUTBExecutor(_executor);\n    }\n\n    /**\n     * @dev Sets the wrapped native token.\n     * @param _wrapped The address of the wrapped token.\n     */\n    function setWrapped(address _wrapped) public onlyAdmin {\n        wrapped = IWETH(_wrapped);\n    }\n\n    /**\n     * @dev Sets the fee manager.\n     * @param _feeManager The address of the fee manager.\n     */\n    function setFeeManager(address _feeManager) public onlyAdmin {\n        feeManager = IUTBFeeManager(_feeManager);\n    }\n\n    /**\n     * @dev toggles active state\n     */\n    function toggleActive() public onlyAdmin {\n        isActive = !isActive;\n    }\n\n    /**\n     * @dev Performs a swap with the requested swapper and swap calldata.\n     * @param swapInstructions The swapper ID and calldata to execute a swap.\n     * @param retrieveTokenIn Flag indicating whether to transfer ERC20 for the swap.\n     */\n    function performSwap(\n        SwapInstructions memory swapInstructions,\n        bool retrieveTokenIn\n    ) private returns (address tokenOut, uint256 amountOut, uint256 value) {\n        ISwapper swapper = ISwapper(swappers[swapInstructions.swapperId]);\n\n        SwapParams memory swapParams = abi.decode(\n            swapInstructions.swapPayload,\n            (SwapParams)\n        );\n\n        if (swapParams.tokenIn == address(0)) {\n            if (msg.value < swapParams.amountIn) revert NotEnoughNative();\n            wrapped.deposit{value: swapParams.amountIn}();\n            value += swapParams.amountIn;\n            swapParams.tokenIn = address(wrapped);\n            swapInstructions.swapPayload = swapper.updateSwapParams(\n                swapParams,\n                swapInstructions.swapPayload\n            );\n        } else if (retrieveTokenIn) {\n            SafeERC20.safeTransferFrom(\n                IERC20(swapParams.tokenIn),\n                msg.sender,\n                address(this),\n                swapParams.amountIn\n            );\n        }\n\n        SafeERC20.forceApprove(\n            IERC20(swapParams.tokenIn),\n            address(swapper),\n            swapParams.amountIn\n        );\n\n        (tokenOut, amountOut) = swapper.swap(swapInstructions.swapPayload);\n\n        if (tokenOut == address(0)) {\n            wrapped.withdraw(amountOut);\n        }\n    }\n\n    /// @inheritdoc IUTB\n    function swapAndExecute(\n        SwapAndExecuteInstructions calldata instructions,\n        FeeData calldata feeData,\n        bytes calldata signature\n    )\n        public\n        payable\n        isUtbActive\n    {\n        uint256 value = _retrieveAndCollectFees(feeData, abi.encode(instructions, feeData), signature);\n        value += _swapAndExecute(\n            instructions.swapInstructions,\n            instructions.target,\n            instructions.paymentOperator,\n            instructions.payload,\n            instructions.refund\n        );\n        _refundLeftover(instructions.refund, msg.value - value);\n        emit Swapped();\n    }\n\n    /**\n     * @dev Swaps currency from the incoming to the outgoing token and executes a transaction with payment.\n     * @param swapInstructions The swapper ID and calldata to execute a swap.\n     * @param target The address of the target contract for the payment transaction.\n     * @param paymentOperator The operator address for payment transfers requiring ERC20 approvals.\n     * @param payload The calldata to execute the payment transaction.\n     * @param refund The account receiving any refunds, typically the EOA which initiated the transaction.\n     */\n    function _swapAndExecute(\n        SwapInstructions memory swapInstructions,\n        address target,\n        address paymentOperator,\n        bytes memory payload,\n        address refund\n    ) private returns (uint256 value) {\n        address tokenOut;\n        uint256 amountOut;\n        (tokenOut, amountOut, value) = performSwap(swapInstructions, true);\n        if (tokenOut == address(0)) {\n            executor.execute{value: amountOut}(\n                target,\n                paymentOperator,\n                payload,\n                tokenOut,\n                amountOut,\n                refund\n            );\n        } else {\n            SafeERC20.forceApprove(IERC20(tokenOut), address(executor), amountOut);\n            executor.execute(\n                target,\n                paymentOperator,\n                payload,\n                tokenOut,\n                amountOut,\n                refund\n            );\n        }\n    }\n\n    /**\n     * @dev Performs the pre bridge swap and modifies the post bridge swap to utilize the bridged amount.\n     * @param instructions The bridge data, token swap data, and payment transaction payload.\n     */\n    function swapAndModifyPostBridge(\n        BridgeInstructions memory instructions\n    )\n        private\n        returns (\n            uint256 amount2Bridge,\n            BridgeInstructions memory updatedInstructions,\n            uint256 value\n        )\n    {\n        address tokenOut;\n        uint256 amountOut;\n        (tokenOut, amountOut, value) = performSwap(\n            instructions.preBridge, true\n        );\n\n        SwapParams memory newPostSwapParams = abi.decode(\n            instructions.postBridge.swapPayload,\n            (SwapParams)\n        );\n\n        newPostSwapParams.amountIn = IBridgeAdapter(\n            bridgeAdapters[instructions.bridgeId]\n        ).getBridgedAmount(amountOut, tokenOut, newPostSwapParams.tokenIn, instructions.additionalArgs);\n\n        updatedInstructions = instructions;\n\n        updatedInstructions.postBridge.swapPayload = ISwapper(swappers[\n            instructions.postBridge.swapperId\n        ]).updateSwapParams(\n            newPostSwapParams,\n            instructions.postBridge.swapPayload\n        );\n\n        amount2Bridge = amountOut;\n    }\n\n    /**\n     * @dev Checks if the bridge token is native, and approves the bridge adapter to transfer ERC20 if required.\n     * @param instructions The bridge data, token swap data, and payment transaction payload.\n     * @param amt2Bridge The amount of the bridge token being transferred to the bridge adapter.\n     */\n    function approveAndCheckIfNative(\n        BridgeInstructions memory instructions,\n        uint256 amt2Bridge\n    ) private returns (bool) {\n        IBridgeAdapter bridgeAdapter = IBridgeAdapter(bridgeAdapters[instructions.bridgeId]);\n        address bridgeToken = bridgeAdapter.getBridgeToken(\n            instructions.additionalArgs\n        );\n        if (bridgeToken != address(0)) {\n            SafeERC20.forceApprove(IERC20(bridgeToken), address(bridgeAdapter), amt2Bridge);\n            return false;\n        }\n        return true;\n    }\n\n    /// @inheritdoc IUTB\n    function bridgeAndExecute(\n        BridgeInstructions calldata instructions,\n        FeeData calldata feeData,\n        bytes calldata signature\n    )\n        public\n        payable\n        isUtbActive\n        returns (bytes memory)\n    {\n        uint256 feeValue = _retrieveAndCollectFees(feeData, abi.encode(instructions, feeData), signature);\n\n        (\n            uint256 amt2Bridge,\n            BridgeInstructions memory updatedInstructions,\n            uint256 swapValue\n        ) = swapAndModifyPostBridge(instructions);\n\n        _refundLeftover(instructions.refund, msg.value - feeValue - swapValue);\n\n        return callBridge(amt2Bridge, feeData.bridgeFee, updatedInstructions);\n    }\n\n    /**\n     * @dev Calls the bridge adapter to bridge funds, and approves the bridge adapter to transfer ERC20 if required.\n     * @param amt2Bridge The amount of the bridge token being bridged via the bridge adapter.\n     * @param bridgeFee The fee being transferred to the bridge adapter and finally to the bridge.\n     * @param instructions The bridge data, token swap data, and payment transaction payload.\n     */\n    function callBridge(\n        uint256 amt2Bridge,\n        uint bridgeFee,\n        BridgeInstructions memory instructions\n    ) private returns (bytes memory) {\n        bool native = approveAndCheckIfNative(instructions, amt2Bridge);\n        emit BridgeCalled();\n        return\n            IBridgeAdapter(bridgeAdapters[instructions.bridgeId]).bridge{\n                value: bridgeFee + (native ? amt2Bridge : 0)\n            }(\n                amt2Bridge,\n                instructions.postBridge,\n                instructions.dstChainId,\n                instructions.target,\n                instructions.paymentOperator,\n                instructions.payload,\n                instructions.additionalArgs,\n                instructions.refund\n            );\n    }\n\n    /// @inheritdoc IUTB\n    function receiveFromBridge(\n        SwapInstructions memory postBridge,\n        address target,\n        address paymentOperator,\n        bytes memory payload,\n        address refund,\n        uint8 bridgeId\n    ) public payable {\n        if (msg.sender != bridgeAdapters[bridgeId]) revert OnlyBridgeAdapter();\n        emit RecievedFromBridge();\n        _swapAndExecute(postBridge, target, paymentOperator, payload, refund);\n    }\n\n    /// @inheritdoc IUTB\n    function registerSwapper(address swapper) public onlyAdmin {\n        ISwapper s = ISwapper(swapper);\n        swappers[s.getId()] = swapper;\n    }\n\n    /// @inheritdoc IUTB\n    function registerBridge(address bridge) public onlyAdmin {\n        IBridgeAdapter b = IBridgeAdapter(bridge);\n        bridgeAdapters[b.getId()] = bridge;\n    }\n\n    receive() external payable {}\n\n    fallback() external payable {}\n}\n"
      },
      "lib/decent-bridge/src/utils/Roles.sol": {
        "content": "// SPDX-License-Identifier: UNLICENSED\npragma solidity ^0.8.13;\nimport {AccessControl} from \"@openzeppelin/contracts/access/AccessControl.sol\";\n\nabstract contract Roles is AccessControl {\n    constructor(address admin) {\n        _grantRole(DEFAULT_ADMIN_ROLE, admin);\n    }\n\n    modifier onlyAdmin() {\n        require(hasRole(DEFAULT_ADMIN_ROLE, msg.sender), \"Only admin\");\n        _;\n    }\n}\n"
      },
      "src/swappers/SwapParams.sol": {
        "content": "// SPDX-License-Identifier: UNLICENSED\npragma solidity ^0.8.0;\n\nlibrary SwapDirection {\n    uint8 constant EXACT_IN = 0;\n    uint8 constant EXACT_OUT = 1;\n}\n\nstruct SwapParams {\n    uint256 amountIn;\n    uint256 amountOut;\n    address tokenIn;\n    address tokenOut;\n    uint8 direction;\n    // if direction is exactAmountIn\n    // then amount out will be the minimum amount out\n    // if direction is exactAmountOutA\n    // then amount in is maximum amount in\n    bytes path;\n}\n"
      },
      "src/interfaces/IUTB.sol": {
        "content": "// SPDX-License-Identifier: UNLICENSED\npragma solidity ^0.8.0;\n\nimport {SwapInstructions, FeeData, BridgeInstructions, SwapAndExecuteInstructions} from \"../CommonTypes.sol\";\n\ninterface IUTB {\n\n    event Swapped();\n    event BridgeCalled();\n    event RecievedFromBridge();\n\n    /// @notice Thrown when protocol fees cannot be collected\n    error ProtocolFeeCannotBeFetched();\n\n    /// @notice Thrown when UTB is paused\n    error UTBPaused();\n\n    /// @notice Thrown when not enough native is passed for swap\n    error NotEnoughNative();\n\n    /// @notice Thrown when receive from bridge is not called from a bridge adapter\n    error OnlyBridgeAdapter();\n\n    /**\n     * @dev Swaps currency from the incoming to the outgoing token and executes a transaction with payment.\n     * @param instructions The token swap data and payment transaction payload.\n     * @param feeData The bridge fee in native, as well as utb fee tokens and amounts.\n     * @param signature The ECDSA signature to verify the fee structure.\n     */\n    function swapAndExecute(\n        SwapAndExecuteInstructions memory instructions,\n        FeeData memory feeData,\n        bytes memory signature\n    ) external payable;\n\n    /**\n     * @dev Bridges funds in native or ERC20 and a payment transaction payload to the destination chain\n     * @param instructions The bridge data, token swap data, and payment transaction payload.\n     * @param feeData The bridge fee in native, as well as utb fee tokens and amounts.\n     * @param signature The ECDSA signature to verify the fee structure.\n     */\n    function bridgeAndExecute(\n        BridgeInstructions memory instructions,\n        FeeData memory feeData,\n        bytes memory signature\n    ) external payable returns (bytes memory);\n\n    /**\n     * @dev Receives funds from the bridge adapter, executes a swap, and executes a payment transaction.\n     * @param postBridge The swapper ID and calldata to execute a swap.\n     * @param target The address of the target contract for the payment transaction.\n     * @param paymentOperator The operator address for payment transfers requiring ERC20 approvals.\n     * @param payload The calldata to execute the payment transaction.\n     * @param refund The account receiving any refunds, typically the EOA which initiated the transaction.\n     */\n    function receiveFromBridge(\n        SwapInstructions memory postBridge,\n        address target,\n        address paymentOperator,\n        bytes memory payload,\n        address refund,\n        uint8 bridgeId\n    ) external payable;\n\n    /**\n     * @dev Registers and maps a bridge adapter to a bridge adapter ID.\n     * @param bridge The address of the bridge adapter.\n     */\n    function registerBridge(address bridge) external;\n\n    /**\n     * @dev Registers and maps a swapper to a swapper ID.\n     * @param swapper The address of the swapper.\n     */\n    function registerSwapper(address swapper) external;\n\n    function setExecutor(address _executor) external;\n\n    function setFeeManager(address _feeManager) external;\n\n    function setWrapped(address _wrapped) external;\n}\n"
      },
      "src/interfaces/IUTBExecutor.sol": {
        "content": "// SPDX-License-Identifier: UNLICENSED\npragma solidity ^0.8.0;\n\ninterface IUTBExecutor {\n\n    /**\n     * @dev Executes a payment transaction with native OR ERC20.\n     * @param target The address of the target contract for the payment transaction.\n     * @param paymentOperator The operator address for payment transfers requiring ERC20 approvals.\n     * @param payload The calldata to execute the payment transaction.\n     * @param token The token being transferred, zero address for native.\n     * @param amount The amount of native or ERC20 being sent with the payment transaction.\n     * @param refund The account receiving any refunds, typically the EOA that initiated the transaction.\n     */\n    function execute(\n        address target,\n        address paymentOperator,\n        bytes memory payload,\n        address token,\n        uint256 amount,\n        address refund\n    ) external payable;\n\n    /**\n     * @dev Executes a payment transaction with native AND/OR ERC20.\n     * @param target The address of the target contract for the payment transaction.\n     * @param paymentOperator The operator address for payment transfers requiring ERC20 approvals.\n     * @param payload The calldata to execute the payment transaction.\n     * @param token The token being transferred, zero address for native.\n     * @param amount The amount of native or ERC20 being sent with the payment transaction.\n     * @param refund The account receiving any refunds, typically the EOA that initiated the transaction.\n     * @param extraNative Forwards additional gas or native fees required to executing the payment transaction.\n     */\n    function execute(\n        address target,\n        address paymentOperator,\n        bytes memory payload,\n        address token,\n        uint256 amount,\n        address refund,\n        uint256 extraNative\n    ) external;\n}\n"
      },
      "lib/decent-bridge/lib/openzeppelin-contracts/contracts/interfaces/IERC20.sol": {
        "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (interfaces/IERC20.sol)\n\npragma solidity ^0.8.0;\n\nimport \"../token/ERC20/IERC20.sol\";\n"
      },
      "lib/decent-bridge/lib/openzeppelin-contracts/contracts/token/ERC20/utils/SafeERC20.sol": {
        "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.9.3) (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    /**\n     * @dev Transfer `value` amount of `token` from the calling contract to `to`. If `token` returns no value,\n     * non-reverting calls are assumed to be successful.\n     */\n    function safeTransfer(IERC20 token, address to, uint256 value) internal {\n        _callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value));\n    }\n\n    /**\n     * @dev Transfer `value` amount of `token` from `from` to `to`, spending the approval given by `from` to the\n     * calling contract. If `token` returns no value, non-reverting calls are assumed to be successful.\n     */\n    function safeTransferFrom(IERC20 token, address from, address to, uint256 value) 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(IERC20 token, address spender, uint256 value) 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    /**\n     * @dev Increase the calling contract's allowance toward `spender` by `value`. If `token` returns no value,\n     * non-reverting calls are assumed to be successful.\n     */\n    function safeIncreaseAllowance(IERC20 token, address spender, uint256 value) internal {\n        uint256 oldAllowance = token.allowance(address(this), spender);\n        _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, oldAllowance + value));\n    }\n\n    /**\n     * @dev Decrease the calling contract's allowance toward `spender` by `value`. If `token` returns no value,\n     * non-reverting calls are assumed to be successful.\n     */\n    function safeDecreaseAllowance(IERC20 token, address spender, uint256 value) internal {\n        unchecked {\n            uint256 oldAllowance = token.allowance(address(this), spender);\n            require(oldAllowance >= value, \"SafeERC20: decreased allowance below zero\");\n            _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, oldAllowance - value));\n        }\n    }\n\n    /**\n     * @dev Set the calling contract's allowance toward `spender` to `value`. If `token` returns no value,\n     * non-reverting calls are assumed to be successful. Meant to be used with tokens that require the approval\n     * to be set to zero before setting it to a non-zero value, such as USDT.\n     */\n    function forceApprove(IERC20 token, address spender, uint256 value) internal {\n        bytes memory approvalCall = abi.encodeWithSelector(token.approve.selector, spender, value);\n\n        if (!_callOptionalReturnBool(token, approvalCall)) {\n            _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, 0));\n            _callOptionalReturn(token, approvalCall);\n        }\n    }\n\n    /**\n     * @dev Use a ERC-2612 signature to set the `owner` approval toward `spender` on `token`.\n     * Revert on invalid signature.\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        require(returndata.length == 0 || abi.decode(returndata, (bool)), \"SafeERC20: ERC20 operation 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     * This is a variant of {_callOptionalReturn} that silents catches all reverts and returns a bool instead.\n     */\n    function _callOptionalReturnBool(IERC20 token, bytes memory data) private returns (bool) {\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 cannot use {Address-functionCall} here since this should return false\n        // and not revert is the subcall reverts.\n\n        (bool success, bytes memory returndata) = address(token).call(data);\n        return\n            success && (returndata.length == 0 || abi.decode(returndata, (bool))) && Address.isContract(address(token));\n    }\n}\n"
      },
      "lib/decent-bridge/src/interfaces/IWETH.sol": {
        "content": "pragma solidity ^0.8.0;\n\nimport {IERC20} from \"forge-std/interfaces/IERC20.sol\";\n\ninterface IWETH is IERC20 {\n\n    function deposit() external payable;\n\n    function withdraw(uint) external;\n}\n"
      },
      "src/interfaces/IUTBFeeManager.sol": {
        "content": "// SPDX-License-Identifier: UNLICENSED\npragma solidity ^0.8.0;\n\ninterface IUTBFeeManager {\n\n    /// @notice Thrown if incorrect signature\n    error WrongSig();\n\n    /// @notice Thrown if sig length != 65\n    error WrongSigLength();\n\n    /**\n     * @dev Verifies packed info containing fees in either native or ERC20.\n     * @param packedInfo The fees and swap instructions used to generate the signature.\n     * @param signature The ECDSA signature to verify the fee structure.\n     */\n    function verifySignature(\n      bytes memory packedInfo,\n      bytes memory signature\n    ) external;\n\n    /**\n     * @dev Sets the signer used for fee verification.\n     * @param _signer The address of the signer.\n     */\n    function setSigner(address _signer) external;\n}\n"
      },
      "src/interfaces/IBridgeAdapter.sol": {
        "content": "pragma solidity ^0.8.0;\n\nimport {SwapInstructions} from \"../CommonTypes.sol\";\n\ninterface IBridgeAdapter {\n\n    error NoDstBridge();\n\n    function getId() external returns (uint8);\n\n    function getBridgeToken(\n        bytes calldata additionalArgs\n    ) external returns (address);\n\n    function getBridgedAmount(\n        uint256 amt2Bridge,\n        address preBridgeToken,\n        address postBridgeToken,\n        bytes calldata additionalArgs\n    ) external returns (uint256);\n\n    function bridge(\n        uint256 amt2Bridge,\n        SwapInstructions memory postBridge,\n        uint256 dstChainId,\n        address target,\n        address paymentOperator,\n        bytes memory payload,\n        bytes calldata additionalArgs,\n        address refund\n    ) external payable returns (bytes memory);\n}\n"
      },
      "src/interfaces/ISwapper.sol": {
        "content": "pragma solidity ^0.8.0;\n\nimport {SwapParams} from \"../swappers/SwapParams.sol\";\n\ninterface ISwapper {\n    error RouterNotSet();\n\n    function getId() external returns (uint8);\n\n    function swap(\n        bytes memory swapPayload\n    ) external returns (address tokenOut, uint256 amountOut);\n\n    function updateSwapParams(\n        SwapParams memory newSwapParams,\n        bytes memory payload\n    ) external returns (bytes memory);\n}\n"
      },
      "src/CommonTypes.sol": {
        "content": "// SPDX-License-Identifier: UNLICENSED\npragma solidity ^0.8.0;\n\nstruct SwapInstructions {\n    uint8 swapperId;\n    bytes swapPayload;\n}\n\nstruct FeeData {\n    bytes4 appId;\n    bytes4 affiliateId;\n    uint bridgeFee;\n    Fee[] appFees;\n}\n\nstruct Fee {\n    address recipient;\n    address token;\n    uint amount;\n}\n\nstruct SwapAndExecuteInstructions {\n    SwapInstructions swapInstructions;\n    address target;\n    address paymentOperator;\n    address refund;\n    bytes payload;\n}\n\nstruct BridgeInstructions {\n    SwapInstructions preBridge;\n    SwapInstructions postBridge;\n    uint8 bridgeId;\n    uint256 dstChainId;\n    address target;\n    address paymentOperator;\n    address refund;\n    bytes payload;\n    bytes additionalArgs;\n}\n"
      },
      "lib/decent-bridge/lib/openzeppelin-contracts/contracts/access/AccessControl.sol": {
        "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.9.0) (access/AccessControl.sol)\n\npragma solidity ^0.8.0;\n\nimport \"./IAccessControl.sol\";\nimport \"../utils/Context.sol\";\nimport \"../utils/Strings.sol\";\nimport \"../utils/introspection/ERC165.sol\";\n\n/**\n * @dev Contract module that allows children to implement role-based access\n * control mechanisms. This is a lightweight version that doesn't allow enumerating role\n * members except through off-chain means by accessing the contract event logs. Some\n * applications may benefit from on-chain enumerability, for those cases see\n * {AccessControlEnumerable}.\n *\n * Roles are referred to by their `bytes32` identifier. These should be exposed\n * in the external API and be unique. The best way to achieve this is by\n * using `public constant` hash digests:\n *\n * ```solidity\n * bytes32 public constant MY_ROLE = keccak256(\"MY_ROLE\");\n * ```\n *\n * Roles can be used to represent a set of permissions. To restrict access to a\n * function call, use {hasRole}:\n *\n * ```solidity\n * function foo() public {\n *     require(hasRole(MY_ROLE, msg.sender));\n *     ...\n * }\n * ```\n *\n * Roles can be granted and revoked dynamically via the {grantRole} and\n * {revokeRole} functions. Each role has an associated admin role, and only\n * accounts that have a role's admin role can call {grantRole} and {revokeRole}.\n *\n * By default, the admin role for all roles is `DEFAULT_ADMIN_ROLE`, which means\n * that only accounts with this role will be able to grant or revoke other\n * roles. More complex role relationships can be created by using\n * {_setRoleAdmin}.\n *\n * WARNING: The `DEFAULT_ADMIN_ROLE` is also its own admin: it has permission to\n * grant and revoke this role. Extra precautions should be taken to secure\n * accounts that have been granted it. We recommend using {AccessControlDefaultAdminRules}\n * to enforce additional security measures for this role.\n */\nabstract contract AccessControl is Context, IAccessControl, ERC165 {\n    struct RoleData {\n        mapping(address => bool) members;\n        bytes32 adminRole;\n    }\n\n    mapping(bytes32 => RoleData) private _roles;\n\n    bytes32 public constant DEFAULT_ADMIN_ROLE = 0x00;\n\n    /**\n     * @dev Modifier that checks that an account has a specific role. Reverts\n     * with a standardized message including the required role.\n     *\n     * The format of the revert reason is given by the following regular expression:\n     *\n     *  /^AccessControl: account (0x[0-9a-f]{40}) is missing role (0x[0-9a-f]{64})$/\n     *\n     * _Available since v4.1._\n     */\n    modifier onlyRole(bytes32 role) {\n        _checkRole(role);\n        _;\n    }\n\n    /**\n     * @dev See {IERC165-supportsInterface}.\n     */\n    function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {\n        return interfaceId == type(IAccessControl).interfaceId || super.supportsInterface(interfaceId);\n    }\n\n    /**\n     * @dev Returns `true` if `account` has been granted `role`.\n     */\n    function hasRole(bytes32 role, address account) public view virtual override returns (bool) {\n        return _roles[role].members[account];\n    }\n\n    /**\n     * @dev Revert with a standard message if `_msgSender()` is missing `role`.\n     * Overriding this function changes the behavior of the {onlyRole} modifier.\n     *\n     * Format of the revert message is described in {_checkRole}.\n     *\n     * _Available since v4.6._\n     */\n    function _checkRole(bytes32 role) internal view virtual {\n        _checkRole(role, _msgSender());\n    }\n\n    /**\n     * @dev Revert with a standard message if `account` is missing `role`.\n     *\n     * The format of the revert reason is given by the following regular expression:\n     *\n     *  /^AccessControl: account (0x[0-9a-f]{40}) is missing role (0x[0-9a-f]{64})$/\n     */\n    function _checkRole(bytes32 role, address account) internal view virtual {\n        if (!hasRole(role, account)) {\n            revert(\n                string(\n                    abi.encodePacked(\n                        \"AccessControl: account \",\n                        Strings.toHexString(account),\n                        \" is missing role \",\n                        Strings.toHexString(uint256(role), 32)\n                    )\n                )\n            );\n        }\n    }\n\n    /**\n     * @dev Returns the admin role that controls `role`. See {grantRole} and\n     * {revokeRole}.\n     *\n     * To change a role's admin, use {_setRoleAdmin}.\n     */\n    function getRoleAdmin(bytes32 role) public view virtual override returns (bytes32) {\n        return _roles[role].adminRole;\n    }\n\n    /**\n     * @dev Grants `role` to `account`.\n     *\n     * If `account` had not been already granted `role`, emits a {RoleGranted}\n     * event.\n     *\n     * Requirements:\n     *\n     * - the caller must have ``role``'s admin role.\n     *\n     * May emit a {RoleGranted} event.\n     */\n    function grantRole(bytes32 role, address account) public virtual override onlyRole(getRoleAdmin(role)) {\n        _grantRole(role, account);\n    }\n\n    /**\n     * @dev Revokes `role` from `account`.\n     *\n     * If `account` had been granted `role`, emits a {RoleRevoked} event.\n     *\n     * Requirements:\n     *\n     * - the caller must have ``role``'s admin role.\n     *\n     * May emit a {RoleRevoked} event.\n     */\n    function revokeRole(bytes32 role, address account) public virtual override onlyRole(getRoleAdmin(role)) {\n        _revokeRole(role, account);\n    }\n\n    /**\n     * @dev Revokes `role` from the calling account.\n     *\n     * Roles are often managed via {grantRole} and {revokeRole}: this function's\n     * purpose is to provide a mechanism for accounts to lose their privileges\n     * if they are compromised (such as when a trusted device is misplaced).\n     *\n     * If the calling account had been revoked `role`, emits a {RoleRevoked}\n     * event.\n     *\n     * Requirements:\n     *\n     * - the caller must be `account`.\n     *\n     * May emit a {RoleRevoked} event.\n     */\n    function renounceRole(bytes32 role, address account) public virtual override {\n        require(account == _msgSender(), \"AccessControl: can only renounce roles for self\");\n\n        _revokeRole(role, account);\n    }\n\n    /**\n     * @dev Grants `role` to `account`.\n     *\n     * If `account` had not been already granted `role`, emits a {RoleGranted}\n     * event. Note that unlike {grantRole}, this function doesn't perform any\n     * checks on the calling account.\n     *\n     * May emit a {RoleGranted} event.\n     *\n     * [WARNING]\n     * ====\n     * This function should only be called from the constructor when setting\n     * up the initial roles for the system.\n     *\n     * Using this function in any other way is effectively circumventing the admin\n     * system imposed by {AccessControl}.\n     * ====\n     *\n     * NOTE: This function is deprecated in favor of {_grantRole}.\n     */\n    function _setupRole(bytes32 role, address account) internal virtual {\n        _grantRole(role, account);\n    }\n\n    /**\n     * @dev Sets `adminRole` as ``role``'s admin role.\n     *\n     * Emits a {RoleAdminChanged} event.\n     */\n    function _setRoleAdmin(bytes32 role, bytes32 adminRole) internal virtual {\n        bytes32 previousAdminRole = getRoleAdmin(role);\n        _roles[role].adminRole = adminRole;\n        emit RoleAdminChanged(role, previousAdminRole, adminRole);\n    }\n\n    /**\n     * @dev Grants `role` to `account`.\n     *\n     * Internal function without access restriction.\n     *\n     * May emit a {RoleGranted} event.\n     */\n    function _grantRole(bytes32 role, address account) internal virtual {\n        if (!hasRole(role, account)) {\n            _roles[role].members[account] = true;\n            emit RoleGranted(role, account, _msgSender());\n        }\n    }\n\n    /**\n     * @dev Revokes `role` from `account`.\n     *\n     * Internal function without access restriction.\n     *\n     * May emit a {RoleRevoked} event.\n     */\n    function _revokeRole(bytes32 role, address account) internal virtual {\n        if (hasRole(role, account)) {\n            _roles[role].members[account] = false;\n            emit RoleRevoked(role, account, _msgSender());\n        }\n    }\n}\n"
      },
      "lib/decent-bridge/lib/openzeppelin-contracts/contracts/token/ERC20/IERC20.sol": {
        "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.9.0) (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(address from, address to, uint256 amount) external returns (bool);\n}\n"
      },
      "lib/decent-bridge/lib/openzeppelin-contracts/contracts/token/ERC20/extensions/IERC20Permit.sol": {
        "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.9.0) (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/decent-bridge/lib/openzeppelin-contracts/contracts/utils/Address.sol": {
        "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.9.0) (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     * Furthermore, `isContract` will also return true if the target contract within\n     * the same transaction is already scheduled for destruction by `SELFDESTRUCT`,\n     * which only has an effect at the end of a transaction.\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/v0.8.0/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(address target, bytes memory data, uint256 value) 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/forge-std/src/interfaces/IERC20.sol": {
        "content": "// SPDX-License-Identifier: MIT\npragma solidity >=0.6.2;\n\n/// @dev Interface of the ERC20 standard as defined in the EIP.\n/// @dev This includes the optional name, symbol, and decimals metadata.\ninterface IERC20 {\n    /// @dev Emitted when `value` tokens are moved from one account (`from`) to another (`to`).\n    event Transfer(address indexed from, address indexed to, uint256 value);\n\n    /// @dev Emitted when the allowance of a `spender` for an `owner` is set, where `value`\n    /// is the new allowance.\n    event Approval(address indexed owner, address indexed spender, uint256 value);\n\n    /// @notice Returns the amount of tokens in existence.\n    function totalSupply() external view returns (uint256);\n\n    /// @notice Returns the amount of tokens owned by `account`.\n    function balanceOf(address account) external view returns (uint256);\n\n    /// @notice Moves `amount` tokens from the caller's account to `to`.\n    function transfer(address to, uint256 amount) external returns (bool);\n\n    /// @notice Returns the remaining number of tokens that `spender` is allowed\n    /// to spend on behalf of `owner`\n    function allowance(address owner, address spender) external view returns (uint256);\n\n    /// @notice Sets `amount` as the allowance of `spender` over the caller's tokens.\n    /// @dev Be aware of front-running risks: https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729\n    function approve(address spender, uint256 amount) external returns (bool);\n\n    /// @notice Moves `amount` tokens from `from` to `to` using the allowance mechanism.\n    /// `amount` is then deducted from the caller's allowance.\n    function transferFrom(address from, address to, uint256 amount) external returns (bool);\n\n    /// @notice Returns the name of the token.\n    function name() external view returns (string memory);\n\n    /// @notice Returns the symbol of the token.\n    function symbol() external view returns (string memory);\n\n    /// @notice Returns the decimals places of the token.\n    function decimals() external view returns (uint8);\n}\n"
      },
      "lib/decent-bridge/lib/openzeppelin-contracts/contracts/access/IAccessControl.sol": {
        "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (access/IAccessControl.sol)\n\npragma solidity ^0.8.0;\n\n/**\n * @dev External interface of AccessControl declared to support ERC165 detection.\n */\ninterface IAccessControl {\n    /**\n     * @dev Emitted when `newAdminRole` is set as ``role``'s admin role, replacing `previousAdminRole`\n     *\n     * `DEFAULT_ADMIN_ROLE` is the starting admin for all roles, despite\n     * {RoleAdminChanged} not being emitted signaling this.\n     *\n     * _Available since v3.1._\n     */\n    event RoleAdminChanged(bytes32 indexed role, bytes32 indexed previousAdminRole, bytes32 indexed newAdminRole);\n\n    /**\n     * @dev Emitted when `account` is granted `role`.\n     *\n     * `sender` is the account that originated the contract call, an admin role\n     * bearer except when using {AccessControl-_setupRole}.\n     */\n    event RoleGranted(bytes32 indexed role, address indexed account, address indexed sender);\n\n    /**\n     * @dev Emitted when `account` is revoked `role`.\n     *\n     * `sender` is the account that originated the contract call:\n     *   - if using `revokeRole`, it is the admin role bearer\n     *   - if using `renounceRole`, it is the role bearer (i.e. `account`)\n     */\n    event RoleRevoked(bytes32 indexed role, address indexed account, address indexed sender);\n\n    /**\n     * @dev Returns `true` if `account` has been granted `role`.\n     */\n    function hasRole(bytes32 role, address account) external view returns (bool);\n\n    /**\n     * @dev Returns the admin role that controls `role`. See {grantRole} and\n     * {revokeRole}.\n     *\n     * To change a role's admin, use {AccessControl-_setRoleAdmin}.\n     */\n    function getRoleAdmin(bytes32 role) external view returns (bytes32);\n\n    /**\n     * @dev Grants `role` to `account`.\n     *\n     * If `account` had not been already granted `role`, emits a {RoleGranted}\n     * event.\n     *\n     * Requirements:\n     *\n     * - the caller must have ``role``'s admin role.\n     */\n    function grantRole(bytes32 role, address account) external;\n\n    /**\n     * @dev Revokes `role` from `account`.\n     *\n     * If `account` had been granted `role`, emits a {RoleRevoked} event.\n     *\n     * Requirements:\n     *\n     * - the caller must have ``role``'s admin role.\n     */\n    function revokeRole(bytes32 role, address account) external;\n\n    /**\n     * @dev Revokes `role` from the calling account.\n     *\n     * Roles are often managed via {grantRole} and {revokeRole}: this function's\n     * purpose is to provide a mechanism for accounts to lose their privileges\n     * if they are compromised (such as when a trusted device is misplaced).\n     *\n     * If the calling account had been granted `role`, emits a {RoleRevoked}\n     * event.\n     *\n     * Requirements:\n     *\n     * - the caller must be `account`.\n     */\n    function renounceRole(bytes32 role, address account) external;\n}\n"
      },
      "lib/decent-bridge/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/decent-bridge/lib/openzeppelin-contracts/contracts/utils/Strings.sol": {
        "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.9.0) (utils/Strings.sol)\n\npragma solidity ^0.8.0;\n\nimport \"./math/Math.sol\";\nimport \"./math/SignedMath.sol\";\n\n/**\n * @dev String operations.\n */\nlibrary Strings {\n    bytes16 private constant _SYMBOLS = \"0123456789abcdef\";\n    uint8 private constant _ADDRESS_LENGTH = 20;\n\n    /**\n     * @dev Converts a `uint256` to its ASCII `string` decimal representation.\n     */\n    function toString(uint256 value) internal pure returns (string memory) {\n        unchecked {\n            uint256 length = Math.log10(value) + 1;\n            string memory buffer = new string(length);\n            uint256 ptr;\n            /// @solidity memory-safe-assembly\n            assembly {\n                ptr := add(buffer, add(32, length))\n            }\n            while (true) {\n                ptr--;\n                /// @solidity memory-safe-assembly\n                assembly {\n                    mstore8(ptr, byte(mod(value, 10), _SYMBOLS))\n                }\n                value /= 10;\n                if (value == 0) break;\n            }\n            return buffer;\n        }\n    }\n\n    /**\n     * @dev Converts a `int256` to its ASCII `string` decimal representation.\n     */\n    function toString(int256 value) internal pure returns (string memory) {\n        return string(abi.encodePacked(value < 0 ? \"-\" : \"\", toString(SignedMath.abs(value))));\n    }\n\n    /**\n     * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation.\n     */\n    function toHexString(uint256 value) internal pure returns (string memory) {\n        unchecked {\n            return toHexString(value, Math.log256(value) + 1);\n        }\n    }\n\n    /**\n     * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation with fixed length.\n     */\n    function toHexString(uint256 value, uint256 length) internal pure returns (string memory) {\n        bytes memory buffer = new bytes(2 * length + 2);\n        buffer[0] = \"0\";\n        buffer[1] = \"x\";\n        for (uint256 i = 2 * length + 1; i > 1; --i) {\n            buffer[i] = _SYMBOLS[value & 0xf];\n            value >>= 4;\n        }\n        require(value == 0, \"Strings: hex length insufficient\");\n        return string(buffer);\n    }\n\n    /**\n     * @dev Converts an `address` with fixed length of 20 bytes to its not checksummed ASCII `string` hexadecimal representation.\n     */\n    function toHexString(address addr) internal pure returns (string memory) {\n        return toHexString(uint256(uint160(addr)), _ADDRESS_LENGTH);\n    }\n\n    /**\n     * @dev Returns true if the two strings are equal.\n     */\n    function equal(string memory a, string memory b) internal pure returns (bool) {\n        return keccak256(bytes(a)) == keccak256(bytes(b));\n    }\n}\n"
      },
      "lib/decent-bridge/lib/openzeppelin-contracts/contracts/utils/introspection/ERC165.sol": {
        "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (utils/introspection/ERC165.sol)\n\npragma solidity ^0.8.0;\n\nimport \"./IERC165.sol\";\n\n/**\n * @dev Implementation of the {IERC165} interface.\n *\n * Contracts that want to implement ERC165 should inherit from this contract and override {supportsInterface} to check\n * for the additional interface id that will be supported. For example:\n *\n * ```solidity\n * function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {\n *     return interfaceId == type(MyInterface).interfaceId || super.supportsInterface(interfaceId);\n * }\n * ```\n *\n * Alternatively, {ERC165Storage} provides an easier to use but more expensive implementation.\n */\nabstract contract ERC165 is IERC165 {\n    /**\n     * @dev See {IERC165-supportsInterface}.\n     */\n    function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {\n        return interfaceId == type(IERC165).interfaceId;\n    }\n}\n"
      },
      "lib/decent-bridge/lib/openzeppelin-contracts/contracts/utils/math/Math.sol": {
        "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.9.0) (utils/math/Math.sol)\n\npragma solidity ^0.8.0;\n\n/**\n * @dev Standard math utilities missing in the Solidity language.\n */\nlibrary Math {\n    enum Rounding {\n        Down, // Toward negative infinity\n        Up, // Toward infinity\n        Zero // Toward zero\n    }\n\n    /**\n     * @dev Returns the largest of two numbers.\n     */\n    function max(uint256 a, uint256 b) internal pure returns (uint256) {\n        return a > b ? a : b;\n    }\n\n    /**\n     * @dev Returns the smallest of two numbers.\n     */\n    function min(uint256 a, uint256 b) internal pure returns (uint256) {\n        return a < b ? a : b;\n    }\n\n    /**\n     * @dev Returns the average of two numbers. The result is rounded towards\n     * zero.\n     */\n    function average(uint256 a, uint256 b) internal pure returns (uint256) {\n        // (a + b) / 2 can overflow.\n        return (a & b) + (a ^ b) / 2;\n    }\n\n    /**\n     * @dev Returns the ceiling of the division of two numbers.\n     *\n     * This differs from standard division with `/` in that it rounds up instead\n     * of rounding down.\n     */\n    function ceilDiv(uint256 a, uint256 b) internal pure returns (uint256) {\n        // (a + b - 1) / b can overflow on addition, so we distribute.\n        return a == 0 ? 0 : (a - 1) / b + 1;\n    }\n\n    /**\n     * @notice Calculates floor(x * y / denominator) with full precision. Throws if result overflows a uint256 or denominator == 0\n     * @dev Original credit to Remco Bloemen under MIT license (https://xn--2-umb.com/21/muldiv)\n     * with further edits by Uniswap Labs also under MIT license.\n     */\n    function mulDiv(uint256 x, uint256 y, uint256 denominator) internal pure returns (uint256 result) {\n        unchecked {\n            // 512-bit multiply [prod1 prod0] = x * y. Compute the product mod 2^256 and mod 2^256 - 1, then use\n            // use the Chinese Remainder Theorem to reconstruct the 512 bit result. The result is stored in two 256\n            // variables such that product = prod1 * 2^256 + prod0.\n            uint256 prod0; // Least significant 256 bits of the product\n            uint256 prod1; // Most significant 256 bits of the product\n            assembly {\n                let mm := mulmod(x, y, not(0))\n                prod0 := mul(x, y)\n                prod1 := sub(sub(mm, prod0), lt(mm, prod0))\n            }\n\n            // Handle non-overflow cases, 256 by 256 division.\n            if (prod1 == 0) {\n                // Solidity will revert if denominator == 0, unlike the div opcode on its own.\n                // The surrounding unchecked block does not change this fact.\n                // See https://docs.soliditylang.org/en/latest/control-structures.html#checked-or-unchecked-arithmetic.\n                return prod0 / denominator;\n            }\n\n            // Make sure the result is less than 2^256. Also prevents denominator == 0.\n            require(denominator > prod1, \"Math: mulDiv overflow\");\n\n            ///////////////////////////////////////////////\n            // 512 by 256 division.\n            ///////////////////////////////////////////////\n\n            // Make division exact by subtracting the remainder from [prod1 prod0].\n            uint256 remainder;\n            assembly {\n                // Compute remainder using mulmod.\n                remainder := mulmod(x, y, denominator)\n\n                // Subtract 256 bit number from 512 bit number.\n                prod1 := sub(prod1, gt(remainder, prod0))\n                prod0 := sub(prod0, remainder)\n            }\n\n            // Factor powers of two out of denominator and compute largest power of two divisor of denominator. Always >= 1.\n            // See https://cs.stackexchange.com/q/138556/92363.\n\n            // Does not overflow because the denominator cannot be zero at this stage in the function.\n            uint256 twos = denominator & (~denominator + 1);\n            assembly {\n                // Divide denominator by twos.\n                denominator := div(denominator, twos)\n\n                // Divide [prod1 prod0] by twos.\n                prod0 := div(prod0, twos)\n\n                // Flip twos such that it is 2^256 / twos. If twos is zero, then it becomes one.\n                twos := add(div(sub(0, twos), twos), 1)\n            }\n\n            // Shift in bits from prod1 into prod0.\n            prod0 |= prod1 * twos;\n\n            // Invert denominator mod 2^256. Now that denominator is an odd number, it has an inverse modulo 2^256 such\n            // that denominator * inv = 1 mod 2^256. Compute the inverse by starting with a seed that is correct for\n            // four bits. That is, denominator * inv = 1 mod 2^4.\n            uint256 inverse = (3 * denominator) ^ 2;\n\n            // Use the Newton-Raphson iteration to improve the precision. Thanks to Hensel's lifting lemma, this also works\n            // in modular arithmetic, doubling the correct bits in each step.\n            inverse *= 2 - denominator * inverse; // inverse mod 2^8\n            inverse *= 2 - denominator * inverse; // inverse mod 2^16\n            inverse *= 2 - denominator * inverse; // inverse mod 2^32\n            inverse *= 2 - denominator * inverse; // inverse mod 2^64\n            inverse *= 2 - denominator * inverse; // inverse mod 2^128\n            inverse *= 2 - denominator * inverse; // inverse mod 2^256\n\n            // Because the division is now exact we can divide by multiplying with the modular inverse of denominator.\n            // This will give us the correct result modulo 2^256. Since the preconditions guarantee that the outcome is\n            // less than 2^256, this is the final result. We don't need to compute the high bits of the result and prod1\n            // is no longer required.\n            result = prod0 * inverse;\n            return result;\n        }\n    }\n\n    /**\n     * @notice Calculates x * y / denominator with full precision, following the selected rounding direction.\n     */\n    function mulDiv(uint256 x, uint256 y, uint256 denominator, Rounding rounding) internal pure returns (uint256) {\n        uint256 result = mulDiv(x, y, denominator);\n        if (rounding == Rounding.Up && mulmod(x, y, denominator) > 0) {\n            result += 1;\n        }\n        return result;\n    }\n\n    /**\n     * @dev Returns the square root of a number. If the number is not a perfect square, the value is rounded down.\n     *\n     * Inspired by Henry S. Warren, Jr.'s \"Hacker's Delight\" (Chapter 11).\n     */\n    function sqrt(uint256 a) internal pure returns (uint256) {\n        if (a == 0) {\n            return 0;\n        }\n\n        // For our first guess, we get the biggest power of 2 which is smaller than the square root of the target.\n        //\n        // We know that the \"msb\" (most significant bit) of our target number `a` is a power of 2 such that we have\n        // `msb(a) <= a < 2*msb(a)`. This value can be written `msb(a)=2**k` with `k=log2(a)`.\n        //\n        // This can be rewritten `2**log2(a) <= a < 2**(log2(a) + 1)`\n        // → `sqrt(2**k) <= sqrt(a) < sqrt(2**(k+1))`\n        // → `2**(k/2) <= sqrt(a) < 2**((k+1)/2) <= 2**(k/2 + 1)`\n        //\n        // Consequently, `2**(log2(a) / 2)` is a good first approximation of `sqrt(a)` with at least 1 correct bit.\n        uint256 result = 1 << (log2(a) >> 1);\n\n        // At this point `result` is an estimation with one bit of precision. We know the true value is a uint128,\n        // since it is the square root of a uint256. Newton's method converges quadratically (precision doubles at\n        // every iteration). We thus need at most 7 iteration to turn our partial result with one bit of precision\n        // into the expected uint128 result.\n        unchecked {\n            result = (result + a / result) >> 1;\n            result = (result + a / result) >> 1;\n            result = (result + a / result) >> 1;\n            result = (result + a / result) >> 1;\n            result = (result + a / result) >> 1;\n            result = (result + a / result) >> 1;\n            result = (result + a / result) >> 1;\n            return min(result, a / result);\n        }\n    }\n\n    /**\n     * @notice Calculates sqrt(a), following the selected rounding direction.\n     */\n    function sqrt(uint256 a, Rounding rounding) internal pure returns (uint256) {\n        unchecked {\n            uint256 result = sqrt(a);\n            return result + (rounding == Rounding.Up && result * result < a ? 1 : 0);\n        }\n    }\n\n    /**\n     * @dev Return the log in base 2, rounded down, of a positive value.\n     * Returns 0 if given 0.\n     */\n    function log2(uint256 value) internal pure returns (uint256) {\n        uint256 result = 0;\n        unchecked {\n            if (value >> 128 > 0) {\n                value >>= 128;\n                result += 128;\n            }\n            if (value >> 64 > 0) {\n                value >>= 64;\n                result += 64;\n            }\n            if (value >> 32 > 0) {\n                value >>= 32;\n                result += 32;\n            }\n            if (value >> 16 > 0) {\n                value >>= 16;\n                result += 16;\n            }\n            if (value >> 8 > 0) {\n                value >>= 8;\n                result += 8;\n            }\n            if (value >> 4 > 0) {\n                value >>= 4;\n                result += 4;\n            }\n            if (value >> 2 > 0) {\n                value >>= 2;\n                result += 2;\n            }\n            if (value >> 1 > 0) {\n                result += 1;\n            }\n        }\n        return result;\n    }\n\n    /**\n     * @dev Return the log in base 2, following the selected rounding direction, of a positive value.\n     * Returns 0 if given 0.\n     */\n    function log2(uint256 value, Rounding rounding) internal pure returns (uint256) {\n        unchecked {\n            uint256 result = log2(value);\n            return result + (rounding == Rounding.Up && 1 << result < value ? 1 : 0);\n        }\n    }\n\n    /**\n     * @dev Return the log in base 10, rounded down, of a positive value.\n     * Returns 0 if given 0.\n     */\n    function log10(uint256 value) internal pure returns (uint256) {\n        uint256 result = 0;\n        unchecked {\n            if (value >= 10 ** 64) {\n                value /= 10 ** 64;\n                result += 64;\n            }\n            if (value >= 10 ** 32) {\n                value /= 10 ** 32;\n                result += 32;\n            }\n            if (value >= 10 ** 16) {\n                value /= 10 ** 16;\n                result += 16;\n            }\n            if (value >= 10 ** 8) {\n                value /= 10 ** 8;\n                result += 8;\n            }\n            if (value >= 10 ** 4) {\n                value /= 10 ** 4;\n                result += 4;\n            }\n            if (value >= 10 ** 2) {\n                value /= 10 ** 2;\n                result += 2;\n            }\n            if (value >= 10 ** 1) {\n                result += 1;\n            }\n        }\n        return result;\n    }\n\n    /**\n     * @dev Return the log in base 10, following the selected rounding direction, of a positive value.\n     * Returns 0 if given 0.\n     */\n    function log10(uint256 value, Rounding rounding) internal pure returns (uint256) {\n        unchecked {\n            uint256 result = log10(value);\n            return result + (rounding == Rounding.Up && 10 ** result < value ? 1 : 0);\n        }\n    }\n\n    /**\n     * @dev Return the log in base 256, rounded down, of a positive value.\n     * Returns 0 if given 0.\n     *\n     * Adding one to the result gives the number of pairs of hex symbols needed to represent `value` as a hex string.\n     */\n    function log256(uint256 value) internal pure returns (uint256) {\n        uint256 result = 0;\n        unchecked {\n            if (value >> 128 > 0) {\n                value >>= 128;\n                result += 16;\n            }\n            if (value >> 64 > 0) {\n                value >>= 64;\n                result += 8;\n            }\n            if (value >> 32 > 0) {\n                value >>= 32;\n                result += 4;\n            }\n            if (value >> 16 > 0) {\n                value >>= 16;\n                result += 2;\n            }\n            if (value >> 8 > 0) {\n                result += 1;\n            }\n        }\n        return result;\n    }\n\n    /**\n     * @dev Return the log in base 256, following the selected rounding direction, of a positive value.\n     * Returns 0 if given 0.\n     */\n    function log256(uint256 value, Rounding rounding) internal pure returns (uint256) {\n        unchecked {\n            uint256 result = log256(value);\n            return result + (rounding == Rounding.Up && 1 << (result << 3) < value ? 1 : 0);\n        }\n    }\n}\n"
      },
      "lib/decent-bridge/lib/openzeppelin-contracts/contracts/utils/math/SignedMath.sol": {
        "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.8.0) (utils/math/SignedMath.sol)\n\npragma solidity ^0.8.0;\n\n/**\n * @dev Standard signed math utilities missing in the Solidity language.\n */\nlibrary SignedMath {\n    /**\n     * @dev Returns the largest of two signed numbers.\n     */\n    function max(int256 a, int256 b) internal pure returns (int256) {\n        return a > b ? a : b;\n    }\n\n    /**\n     * @dev Returns the smallest of two signed numbers.\n     */\n    function min(int256 a, int256 b) internal pure returns (int256) {\n        return a < b ? a : b;\n    }\n\n    /**\n     * @dev Returns the average of two signed numbers without overflow.\n     * The result is rounded towards zero.\n     */\n    function average(int256 a, int256 b) internal pure returns (int256) {\n        // Formula from the book \"Hacker's Delight\"\n        int256 x = (a & b) + ((a ^ b) >> 1);\n        return x + (int256(uint256(x) >> 255) & (a ^ b));\n    }\n\n    /**\n     * @dev Returns the absolute unsigned value of a signed value.\n     */\n    function abs(int256 n) internal pure returns (uint256) {\n        unchecked {\n            // must be unchecked in order to support `n = type(int256).min`\n            return uint256(n >= 0 ? n : -n);\n        }\n    }\n}\n"
      },
      "lib/decent-bridge/lib/openzeppelin-contracts/contracts/utils/introspection/IERC165.sol": {
        "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (utils/introspection/IERC165.sol)\n\npragma solidity ^0.8.0;\n\n/**\n * @dev Interface of the ERC165 standard, as defined in the\n * https://eips.ethereum.org/EIPS/eip-165[EIP].\n *\n * Implementers can declare support of contract interfaces, which can then be\n * queried by others ({ERC165Checker}).\n *\n * For an implementation, see {ERC165}.\n */\ninterface IERC165 {\n    /**\n     * @dev Returns true if this contract implements the interface defined by\n     * `interfaceId`. See the corresponding\n     * https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section]\n     * to learn more about how these ids are created.\n     *\n     * This function call must use less than 30 000 gas.\n     */\n    function supportsInterface(bytes4 interfaceId) external view returns (bool);\n}\n"
      }
    },
    "settings": {
      "remappings": [
        "forge-std/=lib/forge-std/src/",
        "solmate/=lib/solmate/src/",
        "@uniswap/v3-periphery/=lib/v3-periphery/",
        "@uniswap/v3-core/=lib/v3-core/",
        "@uniswap/swap-contracts/=lib/swap-router-contracts/contracts/",
        "decent-bridge/=lib/decent-bridge/",
        "better-deployer/=lib/decent-bridge/lib/better-deployer/src/",
        "forge-toolkit/=lib/forge-toolkit/src/",
        "openzeppelin-contracts/=lib/decent-bridge/lib/openzeppelin-contracts/contracts/",
        "solidity-examples/=lib/solidity-examples/contracts/",
        "@openzeppelin/=lib/decent-bridge/lib/openzeppelin-contracts/",
        "@openzeppelin/contracts/=lib/decent-bridge/lib/openzeppelin-contracts/contracts/",
        "LayerZero/=lib/forge-toolkit/lib/LayerZero/contracts/",
        "ds-test/=lib/forge-std/lib/ds-test/src/",
        "erc4626-tests/=lib/decent-bridge/lib/openzeppelin-contracts/lib/erc4626-tests/",
        "openzeppelin/=lib/decent-bridge/lib/openzeppelin-contracts/contracts/",
        "solidity-stringutils/=lib/decent-bridge/lib/solidity-stringutils/",
        "swap-router-contracts/=lib/swap-router-contracts/contracts/",
        "v3-core/=lib/v3-core/",
        "v3-periphery/=lib/v3-periphery/contracts/",
        "lib/forge-std:ds-test/=lib/decent-bridge/lib/forge-std/lib/ds-test/src/",
        "lib/openzeppelin-contracts:ds-test/=lib/decent-bridge/lib/openzeppelin-contracts/lib/forge-std/lib/ds-test/src/",
        "lib/openzeppelin-contracts:erc4626-tests/=lib/decent-bridge/lib/openzeppelin-contracts/lib/erc4626-tests/",
        "lib/openzeppelin-contracts:forge-std/=lib/decent-bridge/lib/openzeppelin-contracts/lib/forge-std/src/",
        "lib/openzeppelin-contracts:openzeppelin/=lib/decent-bridge/lib/openzeppelin-contracts/contracts/"
      ],
      "optimizer": {
        "enabled": true,
        "runs": 200
      },
      "metadata": {
        "useLiteralContent": false,
        "bytecodeHash": "ipfs",
        "appendCBOR": true
      },
      "outputSelection": {
        "*": {
          "*": [
            "evm.bytecode",
            "evm.deployedBytecode",
            "devdoc",
            "userdoc",
            "metadata",
            "abi"
          ]
        }
      },
      "evmVersion": "paris",
      "viaIR": false,
      "libraries": {}
    }
  }}