// SPDX-License-Identifier: MIT OR Apache-2.0
pragma solidity >=0.8.0;

// ============ Internal Imports ============
import {IInterchainSecurityModule} from "../../interfaces/IInterchainSecurityModule.sol";
import {IRoutingIsm} from "../../interfaces/isms/IRoutingIsm.sol";

/**
 * @title RoutingIsm
 */
abstract contract AbstractRoutingIsm is IRoutingIsm {
    // ============ Constants ============

    // solhint-disable-next-line const-name-snakecase
    uint8 public constant moduleType =
        uint8(IInterchainSecurityModule.Types.ROUTING);

    // ============ Virtual Functions ============
    // ======= OVERRIDE THESE TO IMPLEMENT =======

    /**
     * @notice Returns the ISM responsible for verifying _message
     * @dev Can change based on the content of _message
     * @param _message Formatted Hyperlane message (see Message.sol).
     * @return module The ISM to use to verify _message
     */
    function route(
        bytes calldata _message
    ) public view virtual returns (IInterchainSecurityModule);

    // ============ Public Functions ============

    /**
     * @notice Routes _metadata and _message to the correct ISM
     * @param _metadata ABI encoded module metadata
     * @param _message Formatted Hyperlane message (see Message.sol).
     */
    function verify(
        bytes calldata _metadata,
        bytes calldata _message
    ) public returns (bool) {
        return route(_message).verify(_metadata, _message);
    }
}

// SPDX-License-Identifier: MIT OR Apache-2.0
pragma solidity >=0.8.0;

// ============ Internal Imports ============
import {DomainRoutingIsm} from "./DomainRoutingIsm.sol";
import {IInterchainSecurityModule} from "../../interfaces/IInterchainSecurityModule.sol";
import {EnumerableMapExtended} from "../../libs/EnumerableMapExtended.sol";
import {TypeCasts} from "../../libs/TypeCasts.sol";
import {MailboxClient} from "../../client/MailboxClient.sol";

// ============ External Imports ============
import {Address} from "@openzeppelin/contracts/utils/Address.sol";

contract DefaultFallbackRoutingIsm is DomainRoutingIsm, MailboxClient {
    using EnumerableMapExtended for EnumerableMapExtended.UintToBytes32Map;
    using Address for address;
    using TypeCasts for bytes32;

    constructor(address _mailbox) MailboxClient(_mailbox) {}

    function module(
        uint32 origin
    ) public view override returns (IInterchainSecurityModule) {
        (bool contained, bytes32 _module) = _modules.tryGet(origin);
        if (contained) {
            return IInterchainSecurityModule(_module.bytes32ToAddress());
        } else {
            return mailbox.defaultIsm();
        }
    }
}

// SPDX-License-Identifier: MIT OR Apache-2.0
pragma solidity >=0.8.0;

// ============ External Imports ============
import {Address} from "@openzeppelin/contracts/utils/Address.sol";
import {OwnableUpgradeable} from "@openzeppelin/contracts-upgradeable/access/OwnableUpgradeable.sol";
import {Strings} from "@openzeppelin/contracts/utils/Strings.sol";

// ============ Internal Imports ============
import {AbstractRoutingIsm} from "./AbstractRoutingIsm.sol";
import {IInterchainSecurityModule} from "../../interfaces/IInterchainSecurityModule.sol";
import {Message} from "../../libs/Message.sol";
import {TypeCasts} from "../../libs/TypeCasts.sol";
import {EnumerableMapExtended} from "../../libs/EnumerableMapExtended.sol";
import {PackageVersioned} from "../../PackageVersioned.sol";

/**
 * @title DomainRoutingIsm
 */
contract DomainRoutingIsm is
    AbstractRoutingIsm,
    OwnableUpgradeable,
    PackageVersioned
{
    using EnumerableMapExtended for EnumerableMapExtended.UintToBytes32Map;
    using Message for bytes;
    using TypeCasts for bytes32;
    using TypeCasts for address;
    using Address for address;
    using Strings for uint32;

    // ============ Mutable Storage ============
    EnumerableMapExtended.UintToBytes32Map internal _modules;

    // ============ External Functions ============

    /**
     * @param _owner The owner of the contract.
     */
    function initialize(address _owner) public initializer {
        __Ownable_init();
        _transferOwnership(_owner);
    }

    /**
     * @notice Sets the ISMs to be used for the specified origin domains
     * @param _owner The owner of the contract.
     * @param _domains The origin domains
     * @param __modules The ISMs to use to verify messages
     */
    function initialize(
        address _owner,
        uint32[] calldata _domains,
        IInterchainSecurityModule[] calldata __modules
    ) public initializer {
        __Ownable_init();
        require(_domains.length == __modules.length, "length mismatch");
        uint256 _length = _domains.length;
        for (uint256 i = 0; i < _length; ++i) {
            _set(_domains[i], address(__modules[i]));
        }
        _transferOwnership(_owner);
    }

    /**
     * @notice Sets the ISM to be used for the specified origin domain
     * @param _domain The origin domain
     * @param _module The ISM to use to verify messages
     */
    function set(
        uint32 _domain,
        IInterchainSecurityModule _module
    ) external onlyOwner {
        _set(_domain, address(_module));
    }

    /**
     * @notice Removes the specified origin domain
     * @param _domain The origin domain
     */
    function remove(uint32 _domain) external onlyOwner {
        _remove(_domain);
    }

    function domains() external view returns (uint256[] memory) {
        return _modules.keys();
    }

    function module(
        uint32 origin
    ) public view virtual returns (IInterchainSecurityModule) {
        (bool contained, bytes32 _module) = _modules.tryGet(origin);
        if (contained) {
            return IInterchainSecurityModule(_module.bytes32ToAddress());
        }
        revert(_originNotFoundError(origin));
    }

    // ============ Public Functions ============
    /**
     * @notice Returns the ISM responsible for verifying _message
     * @dev Can change based on the content of _message
     * @param _message Formatted Hyperlane message (see Message.sol).
     * @return module The ISM to use to verify _message
     */
    function route(
        bytes calldata _message
    ) public view override returns (IInterchainSecurityModule) {
        return module(_message.origin());
    }

    // ============ Internal Functions ============

    /**
     * @notice Removes the specified origin domain's ISM
     * @param _domain The origin domain
     */
    function _remove(uint32 _domain) internal {
        require(_modules.remove(_domain), _originNotFoundError(_domain));
    }

    function _originNotFoundError(
        uint32 _origin
    ) internal pure returns (string memory) {
        return string.concat("No ISM found for origin: ", _origin.toString());
    }

    /**
     * @notice Sets the ISM to be used for the specified origin domain
     * @param _domain The origin domain
     * @param _module The ISM to use to verify messages
     */
    function _set(uint32 _domain, address _module) internal {
        require(_module.isContract(), "ISM must be a contract");
        _modules.set(_domain, _module.addressToBytes32());
    }
}

// SPDX-License-Identifier: MIT OR Apache-2.0
pragma solidity >=0.6.11;

// ============ External Imports ============
import "@openzeppelin/contracts/utils/structs/EnumerableMap.sol";
import "@openzeppelin/contracts/utils/structs/EnumerableSet.sol";

// extends EnumerableMap with uint256 => bytes32 type
// modelled after https://github.com/OpenZeppelin/openzeppelin-contracts/blob/v4.8.0/contracts/utils/structs/EnumerableMap.sol
library EnumerableMapExtended {
    using EnumerableMap for EnumerableMap.Bytes32ToBytes32Map;
    using EnumerableSet for EnumerableSet.Bytes32Set;

    struct UintToBytes32Map {
        EnumerableMap.Bytes32ToBytes32Map _inner;
    }

    // ============ Library Functions ============
    function keys(
        UintToBytes32Map storage map
    ) internal view returns (uint256[] memory _keys) {
        uint256 _length = map._inner.length();
        _keys = new uint256[](_length);
        for (uint256 i = 0; i < _length; i++) {
            _keys[i] = uint256(map._inner._keys.at(i));
        }
    }

    function uint32Keys(
        UintToBytes32Map storage map
    ) internal view returns (uint32[] memory _keys) {
        uint256[] memory uint256keys = keys(map);
        _keys = new uint32[](uint256keys.length);
        for (uint256 i = 0; i < uint256keys.length; i++) {
            _keys[i] = uint32(uint256keys[i]);
        }
    }

    function set(
        UintToBytes32Map storage map,
        uint256 key,
        bytes32 value
    ) internal {
        map._inner.set(bytes32(key), value);
    }

    function get(
        UintToBytes32Map storage map,
        uint256 key
    ) internal view returns (bytes32) {
        return map._inner.get(bytes32(key));
    }

    function tryGet(
        UintToBytes32Map storage map,
        uint256 key
    ) internal view returns (bool, bytes32) {
        return map._inner.tryGet(bytes32(key));
    }

    function remove(
        UintToBytes32Map storage map,
        uint256 key
    ) internal returns (bool) {
        return map._inner.remove(bytes32(key));
    }

    function contains(
        UintToBytes32Map storage map,
        uint256 key
    ) internal view returns (bool) {
        return map._inner.contains(bytes32(key));
    }

    function length(
        UintToBytes32Map storage map
    ) internal view returns (uint256) {
        return map._inner.length();
    }

    function at(
        UintToBytes32Map storage map,
        uint256 index
    ) internal view returns (uint256, bytes32) {
        (bytes32 key, bytes32 value) = map._inner.at(index);
        return (uint256(key), value);
    }
}

// SPDX-License-Identifier: MIT OR Apache-2.0
pragma solidity >=0.6.11;

interface IInterchainSecurityModule {
    enum Types {
        UNUSED,
        ROUTING,
        AGGREGATION,
        LEGACY_MULTISIG,
        MERKLE_ROOT_MULTISIG,
        MESSAGE_ID_MULTISIG,
        NULL, // used with relayer carrying no metadata
        CCIP_READ,
        ARB_L2_TO_L1,
        WEIGHTED_MERKLE_ROOT_MULTISIG,
        WEIGHTED_MESSAGE_ID_MULTISIG,
        OP_L2_TO_L1
    }

    /**
     * @notice Returns an enum that represents the type of security model
     * encoded by this ISM.
     * @dev Relayers infer how to fetch and format metadata.
     */
    function moduleType() external view returns (uint8);

    /**
     * @notice Defines a security model responsible for verifying interchain
     * messages based on the provided metadata.
     * @param _metadata Off-chain metadata provided by a relayer, specific to
     * the security model encoded by the module (e.g. validator signatures)
     * @param _message Hyperlane encoded interchain message
     * @return True if the message was verified
     */
    function verify(
        bytes calldata _metadata,
        bytes calldata _message
    ) external returns (bool);
}

interface ISpecifiesInterchainSecurityModule {
    function interchainSecurityModule()
        external
        view
        returns (IInterchainSecurityModule);
}

// SPDX-License-Identifier: MIT OR Apache-2.0
pragma solidity >=0.8.0;

import {IInterchainSecurityModule} from "./IInterchainSecurityModule.sol";
import {IPostDispatchHook} from "./hooks/IPostDispatchHook.sol";

interface IMailbox {
    // ============ Events ============
    /**
     * @notice Emitted when a new message is dispatched via Hyperlane
     * @param sender The address that dispatched the message
     * @param destination The destination domain of the message
     * @param recipient The message recipient address on `destination`
     * @param message Raw bytes of message
     */
    event Dispatch(
        address indexed sender,
        uint32 indexed destination,
        bytes32 indexed recipient,
        bytes message
    );

    /**
     * @notice Emitted when a new message is dispatched via Hyperlane
     * @param messageId The unique message identifier
     */
    event DispatchId(bytes32 indexed messageId);

    /**
     * @notice Emitted when a Hyperlane message is processed
     * @param messageId The unique message identifier
     */
    event ProcessId(bytes32 indexed messageId);

    /**
     * @notice Emitted when a Hyperlane message is delivered
     * @param origin The origin domain of the message
     * @param sender The message sender address on `origin`
     * @param recipient The address that handled the message
     */
    event Process(
        uint32 indexed origin,
        bytes32 indexed sender,
        address indexed recipient
    );

    function localDomain() external view returns (uint32);

    function delivered(bytes32 messageId) external view returns (bool);

    function defaultIsm() external view returns (IInterchainSecurityModule);

    function defaultHook() external view returns (IPostDispatchHook);

    function requiredHook() external view returns (IPostDispatchHook);

    function latestDispatchedId() external view returns (bytes32);

    function dispatch(
        uint32 destinationDomain,
        bytes32 recipientAddress,
        bytes calldata messageBody
    ) external payable returns (bytes32 messageId);

    function quoteDispatch(
        uint32 destinationDomain,
        bytes32 recipientAddress,
        bytes calldata messageBody
    ) external view returns (uint256 fee);

    function dispatch(
        uint32 destinationDomain,
        bytes32 recipientAddress,
        bytes calldata body,
        bytes calldata defaultHookMetadata
    ) external payable returns (bytes32 messageId);

    function quoteDispatch(
        uint32 destinationDomain,
        bytes32 recipientAddress,
        bytes calldata messageBody,
        bytes calldata defaultHookMetadata
    ) external view returns (uint256 fee);

    function dispatch(
        uint32 destinationDomain,
        bytes32 recipientAddress,
        bytes calldata body,
        bytes calldata customHookMetadata,
        IPostDispatchHook customHook
    ) external payable returns (bytes32 messageId);

    function quoteDispatch(
        uint32 destinationDomain,
        bytes32 recipientAddress,
        bytes calldata messageBody,
        bytes calldata customHookMetadata,
        IPostDispatchHook customHook
    ) external view returns (uint256 fee);

    function process(
        bytes calldata metadata,
        bytes calldata message
    ) external payable;

    function recipientIsm(
        address recipient
    ) external view returns (IInterchainSecurityModule module);
}

// SPDX-License-Identifier: MIT OR Apache-2.0
pragma solidity >=0.8.0;

/*@@@@@@@       @@@@@@@@@
 @@@@@@@@@       @@@@@@@@@
  @@@@@@@@@       @@@@@@@@@
   @@@@@@@@@       @@@@@@@@@
    @@@@@@@@@@@@@@@@@@@@@@@@@
     @@@@@  HYPERLANE  @@@@@@@
    @@@@@@@@@@@@@@@@@@@@@@@@@
   @@@@@@@@@       @@@@@@@@@
  @@@@@@@@@       @@@@@@@@@
 @@@@@@@@@       @@@@@@@@@
@@@@@@@@@       @@@@@@@@*/

interface IPostDispatchHook {
    enum Types {
        UNUSED,
        ROUTING,
        AGGREGATION,
        MERKLE_TREE,
        INTERCHAIN_GAS_PAYMASTER,
        FALLBACK_ROUTING,
        ID_AUTH_ISM,
        PAUSABLE,
        PROTOCOL_FEE,
        LAYER_ZERO_V1,
        RATE_LIMITED,
        ARB_L2_TO_L1,
        OP_L2_TO_L1
    }

    /**
     * @notice Returns an enum that represents the type of hook
     */
    function hookType() external view returns (uint8);

    /**
     * @notice Returns whether the hook supports metadata
     * @param metadata metadata
     * @return Whether the hook supports metadata
     */
    function supportsMetadata(
        bytes calldata metadata
    ) external view returns (bool);

    /**
     * @notice Post action after a message is dispatched via the Mailbox
     * @param metadata The metadata required for the hook
     * @param message The message passed from the Mailbox.dispatch() call
     */
    function postDispatch(
        bytes calldata metadata,
        bytes calldata message
    ) external payable;

    /**
     * @notice Compute the payment required by the postDispatch call
     * @param metadata The metadata required for the hook
     * @param message The message passed from the Mailbox.dispatch() call
     * @return Quoted payment for the postDispatch call
     */
    function quoteDispatch(
        bytes calldata metadata,
        bytes calldata message
    ) external view returns (uint256);
}

// SPDX-License-Identifier: MIT OR Apache-2.0
pragma solidity >=0.8.0;

import {IInterchainSecurityModule} from "../IInterchainSecurityModule.sol";

interface IRoutingIsm is IInterchainSecurityModule {
    /**
     * @notice Returns the ISM responsible for verifying _message
     * @dev Can change based on the content of _message
     * @param _message Formatted Hyperlane message (see Message.sol).
     * @return module The ISM to use to verify _message
     */
    function route(
        bytes calldata _message
    ) external view returns (IInterchainSecurityModule);
}

// SPDX-License-Identifier: MIT OR Apache-2.0
pragma solidity >=0.6.11;

// ============ Internal Imports ============
import {IMailbox} from "../interfaces/IMailbox.sol";
import {IPostDispatchHook} from "../interfaces/hooks/IPostDispatchHook.sol";
import {IInterchainSecurityModule} from "../interfaces/IInterchainSecurityModule.sol";
import {Message} from "../libs/Message.sol";
import {PackageVersioned} from "../PackageVersioned.sol";

// ============ External Imports ============
import {Address} from "@openzeppelin/contracts/utils/Address.sol";
import {OwnableUpgradeable} from "@openzeppelin/contracts-upgradeable/access/OwnableUpgradeable.sol";

abstract contract MailboxClient is OwnableUpgradeable, PackageVersioned {
    using Message for bytes;

    IMailbox public immutable mailbox;

    uint32 public immutable localDomain;

    IPostDispatchHook public hook;

    IInterchainSecurityModule public interchainSecurityModule;

    uint256[48] private __GAP; // gap for upgrade safety

    // ============ Modifiers ============
    modifier onlyContract(address _contract) {
        require(
            Address.isContract(_contract),
            "MailboxClient: invalid mailbox"
        );
        _;
    }

    modifier onlyContractOrNull(address _contract) {
        require(
            Address.isContract(_contract) || _contract == address(0),
            "MailboxClient: invalid contract setting"
        );
        _;
    }

    /**
     * @notice Only accept messages from an Hyperlane Mailbox contract
     */
    modifier onlyMailbox() {
        require(
            msg.sender == address(mailbox),
            "MailboxClient: sender not mailbox"
        );
        _;
    }

    constructor(address _mailbox) onlyContract(_mailbox) {
        mailbox = IMailbox(_mailbox);
        localDomain = mailbox.localDomain();
        _transferOwnership(msg.sender);
    }

    /**
     * @notice Sets the address of the application's custom hook.
     * @param _hook The address of the hook contract.
     */
    function setHook(address _hook) public onlyContractOrNull(_hook) onlyOwner {
        hook = IPostDispatchHook(_hook);
    }

    /**
     * @notice Sets the address of the application's custom interchain security module.
     * @param _module The address of the interchain security module contract.
     */
    function setInterchainSecurityModule(
        address _module
    ) public onlyContractOrNull(_module) onlyOwner {
        interchainSecurityModule = IInterchainSecurityModule(_module);
    }

    // ======== Initializer =========
    function _MailboxClient_initialize(
        address _hook,
        address _interchainSecurityModule,
        address _owner
    ) internal onlyInitializing {
        __Ownable_init();
        setHook(_hook);
        setInterchainSecurityModule(_interchainSecurityModule);
        _transferOwnership(_owner);
    }

    function _isLatestDispatched(bytes32 id) internal view returns (bool) {
        return mailbox.latestDispatchedId() == id;
    }

    function _isDelivered(bytes32 id) internal view returns (bool) {
        return mailbox.delivered(id);
    }
}

// SPDX-License-Identifier: MIT OR Apache-2.0
pragma solidity >=0.8.0;

import {TypeCasts} from "./TypeCasts.sol";

/**
 * @title Hyperlane Message Library
 * @notice Library for formatted messages used by Mailbox
 **/
library Message {
    using TypeCasts for bytes32;

    uint256 private constant VERSION_OFFSET = 0;
    uint256 private constant NONCE_OFFSET = 1;
    uint256 private constant ORIGIN_OFFSET = 5;
    uint256 private constant SENDER_OFFSET = 9;
    uint256 private constant DESTINATION_OFFSET = 41;
    uint256 private constant RECIPIENT_OFFSET = 45;
    uint256 private constant BODY_OFFSET = 77;

    /**
     * @notice Returns formatted (packed) Hyperlane message with provided fields
     * @dev This function should only be used in memory message construction.
     * @param _version The version of the origin and destination Mailboxes
     * @param _nonce A nonce to uniquely identify the message on its origin chain
     * @param _originDomain Domain of origin chain
     * @param _sender Address of sender as bytes32
     * @param _destinationDomain Domain of destination chain
     * @param _recipient Address of recipient on destination chain as bytes32
     * @param _messageBody Raw bytes of message body
     * @return Formatted message
     */
    function formatMessage(
        uint8 _version,
        uint32 _nonce,
        uint32 _originDomain,
        bytes32 _sender,
        uint32 _destinationDomain,
        bytes32 _recipient,
        bytes calldata _messageBody
    ) internal pure returns (bytes memory) {
        return
            abi.encodePacked(
                _version,
                _nonce,
                _originDomain,
                _sender,
                _destinationDomain,
                _recipient,
                _messageBody
            );
    }

    /**
     * @notice Returns the message ID.
     * @param _message ABI encoded Hyperlane message.
     * @return ID of `_message`
     */
    function id(bytes memory _message) internal pure returns (bytes32) {
        return keccak256(_message);
    }

    /**
     * @notice Returns the message version.
     * @param _message ABI encoded Hyperlane message.
     * @return Version of `_message`
     */
    function version(bytes calldata _message) internal pure returns (uint8) {
        return uint8(bytes1(_message[VERSION_OFFSET:NONCE_OFFSET]));
    }

    /**
     * @notice Returns the message nonce.
     * @param _message ABI encoded Hyperlane message.
     * @return Nonce of `_message`
     */
    function nonce(bytes calldata _message) internal pure returns (uint32) {
        return uint32(bytes4(_message[NONCE_OFFSET:ORIGIN_OFFSET]));
    }

    /**
     * @notice Returns the message origin domain.
     * @param _message ABI encoded Hyperlane message.
     * @return Origin domain of `_message`
     */
    function origin(bytes calldata _message) internal pure returns (uint32) {
        return uint32(bytes4(_message[ORIGIN_OFFSET:SENDER_OFFSET]));
    }

    /**
     * @notice Returns the message sender as bytes32.
     * @param _message ABI encoded Hyperlane message.
     * @return Sender of `_message` as bytes32
     */
    function sender(bytes calldata _message) internal pure returns (bytes32) {
        return bytes32(_message[SENDER_OFFSET:DESTINATION_OFFSET]);
    }

    /**
     * @notice Returns the message sender as address.
     * @param _message ABI encoded Hyperlane message.
     * @return Sender of `_message` as address
     */
    function senderAddress(
        bytes calldata _message
    ) internal pure returns (address) {
        return sender(_message).bytes32ToAddress();
    }

    /**
     * @notice Returns the message destination domain.
     * @param _message ABI encoded Hyperlane message.
     * @return Destination domain of `_message`
     */
    function destination(
        bytes calldata _message
    ) internal pure returns (uint32) {
        return uint32(bytes4(_message[DESTINATION_OFFSET:RECIPIENT_OFFSET]));
    }

    /**
     * @notice Returns the message recipient as bytes32.
     * @param _message ABI encoded Hyperlane message.
     * @return Recipient of `_message` as bytes32
     */
    function recipient(
        bytes calldata _message
    ) internal pure returns (bytes32) {
        return bytes32(_message[RECIPIENT_OFFSET:BODY_OFFSET]);
    }

    /**
     * @notice Returns the message recipient as address.
     * @param _message ABI encoded Hyperlane message.
     * @return Recipient of `_message` as address
     */
    function recipientAddress(
        bytes calldata _message
    ) internal pure returns (address) {
        return recipient(_message).bytes32ToAddress();
    }

    /**
     * @notice Returns the message body.
     * @param _message ABI encoded Hyperlane message.
     * @return Body of `_message`
     */
    function body(
        bytes calldata _message
    ) internal pure returns (bytes calldata) {
        return bytes(_message[BODY_OFFSET:]);
    }
}

// SPDX-License-Identifier: MIT OR Apache-2.0
pragma solidity >=0.6.11;

/**
 * @title PackageVersioned
 * @notice Package version getter for contracts
 **/
abstract contract PackageVersioned {
    // GENERATED CODE - DO NOT EDIT
    string public constant PACKAGE_VERSION = "5.4.1";
}

// SPDX-License-Identifier: MIT OR Apache-2.0
pragma solidity >=0.6.11;

library TypeCasts {
    // alignment preserving cast
    function addressToBytes32(address _addr) internal pure returns (bytes32) {
        return bytes32(uint256(uint160(_addr)));
    }

    // alignment preserving cast
    function bytes32ToAddress(bytes32 _buf) internal pure returns (address) {
        return address(uint160(uint256(_buf)));
    }
}

{
  "compilationTarget": {
    "contracts/isms/routing/DefaultFallbackRoutingIsm.sol": "DefaultFallbackRoutingIsm"
  },
  "evmVersion": "paris",
  "libraries": {},
  "metadata": {
    "bytecodeHash": "ipfs"
  },
  "optimizer": {
    "enabled": true,
    "runs": 999999
  },
  "remappings": [
    ":@arbitrum/=../node_modules/@arbitrum/",
    ":@eth-optimism/=../node_modules/@eth-optimism/",
    ":@layerzerolabs/=../node_modules/@layerzerolabs/",
    ":@openzeppelin/=../node_modules/@openzeppelin/",
    ":ds-test/=lib/forge-std/lib/ds-test/src/",
    ":forge-std/=lib/forge-std/src/",
    ":fx-portal/=lib/fx-portal/",
    ":hardhat/=node_modules/hardhat/"
  ]
}