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// SPDX-License-Identifier: BUSL-1.1
pragma solidity >=0.8.19 <0.9.0;

import {EnumerableSet} from "@openzeppelin5/contracts/utils/structs/EnumerableSet.sol";
import {SafeERC20} from "@openzeppelin5/contracts/token/ERC20/utils/SafeERC20.sol";
import {IERC20} from "@openzeppelin5/contracts/token/ERC20/IERC20.sol";

import {IFactoryRegistry} from "../../interfaces/external/IFactoryRegistry.sol";
import {IRootMessageBridge} from "../../interfaces/root/bridge/IRootMessageBridge.sol";
import {IMessageSender} from "../../interfaces/root/bridge/IMessageSender.sol";
import {IVoter} from "../../interfaces/external/IVoter.sol";
import {IWETH} from "../../interfaces/external/IWETH.sol";

import {CrossChainRegistry} from "../../bridge/CrossChainRegistry.sol";
import {Commands} from "../../libraries/Commands.sol";

/*

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*/

/// @title Velodrome Superchain Root Message Bridge
/// @notice General purpose message bridge contract
/// @dev For notify reward amount, tokens will always be forwarded to the module
/// @dev The module can then use any mechanism available to it to send the tokens cross chain
contract RootMessageBridge is IRootMessageBridge, CrossChainRegistry {
    using EnumerableSet for EnumerableSet.UintSet;
    using SafeERC20 for IERC20;
    using SafeERC20 for IWETH;
    using Commands for bytes;

    /// @inheritdoc IRootMessageBridge
    address public immutable xerc20;
    /// @inheritdoc IRootMessageBridge
    address public immutable voter;
    /// @inheritdoc IRootMessageBridge
    address public immutable factoryRegistry;
    /// @inheritdoc IRootMessageBridge
    address public immutable weth;

    constructor(address _owner, address _xerc20, address _voter, address _weth) CrossChainRegistry(_owner) {
        xerc20 = _xerc20;
        voter = _voter;
        factoryRegistry = IVoter(_voter).factoryRegistry();
        weth = _weth;
    }

    receive() external payable {
        if (msg.sender != weth) revert NotWETH();
    }

    /// @inheritdoc IRootMessageBridge
    function sendMessage(uint256 _chainid, bytes calldata _message) external {
        if (!_chainids.contains({value: _chainid})) revert ChainNotRegistered();
        address module = chains[_chainid];

        uint256 command = _message.command();
        if (command == Commands.DEPOSIT) {
            address gauge = _message.toAddress();
            if (msg.sender != IVoter(voter).gaugeToFees(gauge)) revert NotAuthorized(Commands.DEPOSIT);
        } else if (command == Commands.WITHDRAW) {
            address gauge = _message.toAddress();
            if (msg.sender != IVoter(voter).gaugeToFees(gauge)) revert NotAuthorized(Commands.WITHDRAW);
        } else if (command == Commands.CREATE_GAUGE) {
            address factory = _message.toAddress();
            (, address gaugeFactory) = IFactoryRegistry(factoryRegistry).factoriesToPoolFactory(factory);
            if (msg.sender != gaugeFactory) revert NotAuthorized(Commands.CREATE_GAUGE);
        } else if (command == Commands.GET_INCENTIVES) {
            address gauge = _message.toAddress();
            if (msg.sender != IVoter(voter).gaugeToBribe(gauge)) revert NotAuthorized(Commands.GET_INCENTIVES);
        } else if (command == Commands.GET_FEES) {
            address gauge = _message.toAddress();
            if (msg.sender != IVoter(voter).gaugeToFees(gauge)) revert NotAuthorized(Commands.GET_FEES);
        } else if (command == Commands.NOTIFY || command == Commands.NOTIFY_WITHOUT_CLAIM) {
            if (!IVoter(voter).isAlive(msg.sender)) revert NotValidGauge();
            uint256 amount = _message.amount();
            IERC20(xerc20).safeTransferFrom({from: msg.sender, to: module, value: amount});
        } else if (command == Commands.KILL_GAUGE) {
            if (msg.sender != IVoter(voter).emergencyCouncil()) revert NotAuthorized(Commands.KILL_GAUGE);
        } else if (command == Commands.REVIVE_GAUGE) {
            if (msg.sender != IVoter(voter).emergencyCouncil()) revert NotAuthorized(Commands.REVIVE_GAUGE);
        } else {
            revert InvalidCommand();
        }

        uint256 fee = IMessageSender(module).quote({_destinationDomain: _chainid, _messageBody: _message});
        // skip if fee is 0 (some modules may support fee-less messaging)
        if (fee > 0) {
            IWETH(weth).safeTransferFrom({from: tx.origin, to: address(this), value: fee});
            IWETH(weth).withdraw({wad: fee});
        }

        IMessageSender(module).sendMessage{value: fee}({_chainid: _chainid, _message: _message});
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (utils/structs/EnumerableSet.sol)
// This file was procedurally generated from scripts/generate/templates/EnumerableSet.js.

pragma solidity ^0.8.20;

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

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

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

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

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

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

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

                // Move the lastValue to the index where the value to delete is
                set._values[valueIndex] = lastValue;
                // Update the tracked position of the lastValue (that was just moved)
                set._positions[lastValue] = position;
            }

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

            // Delete the tracked position for the deleted slot
            delete set._positions[value];

            return true;
        } else {
            return false;
        }
    }

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

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

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

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

    // Bytes32Set

    struct Bytes32Set {
        Set _inner;
    }

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

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

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

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

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

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

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

        return result;
    }

    // AddressSet

    struct AddressSet {
        Set _inner;
    }

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

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

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

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

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

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

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

        return result;
    }

    // UintSet

    struct UintSet {
        Set _inner;
    }

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

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

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

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

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

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

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

        return result;
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (token/ERC20/utils/SafeERC20.sol)

pragma solidity ^0.8.20;

import {IERC20} from "../IERC20.sol";
import {IERC20Permit} from "../extensions/IERC20Permit.sol";
import {Address} from "../../../utils/Address.sol";

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

    /**
     * @dev An operation with an ERC20 token failed.
     */
    error SafeERC20FailedOperation(address token);

    /**
     * @dev Indicates a failed `decreaseAllowance` request.
     */
    error SafeERC20FailedDecreaseAllowance(address spender, uint256 currentAllowance, uint256 requestedDecrease);

    /**
     * @dev Transfer `value` amount of `token` from the calling contract to `to`. If `token` returns no value,
     * non-reverting calls are assumed to be successful.
     */
    function safeTransfer(IERC20 token, address to, uint256 value) internal {
        _callOptionalReturn(token, abi.encodeCall(token.transfer, (to, value)));
    }

    /**
     * @dev Transfer `value` amount of `token` from `from` to `to`, spending the approval given by `from` to the
     * calling contract. If `token` returns no value, non-reverting calls are assumed to be successful.
     */
    function safeTransferFrom(IERC20 token, address from, address to, uint256 value) internal {
        _callOptionalReturn(token, abi.encodeCall(token.transferFrom, (from, to, value)));
    }

    /**
     * @dev Increase the calling contract's allowance toward `spender` by `value`. If `token` returns no value,
     * non-reverting calls are assumed to be successful.
     */
    function safeIncreaseAllowance(IERC20 token, address spender, uint256 value) internal {
        uint256 oldAllowance = token.allowance(address(this), spender);
        forceApprove(token, spender, oldAllowance + value);
    }

    /**
     * @dev Decrease the calling contract's allowance toward `spender` by `requestedDecrease`. If `token` returns no
     * value, non-reverting calls are assumed to be successful.
     */
    function safeDecreaseAllowance(IERC20 token, address spender, uint256 requestedDecrease) internal {
        unchecked {
            uint256 currentAllowance = token.allowance(address(this), spender);
            if (currentAllowance < requestedDecrease) {
                revert SafeERC20FailedDecreaseAllowance(spender, currentAllowance, requestedDecrease);
            }
            forceApprove(token, spender, currentAllowance - requestedDecrease);
        }
    }

    /**
     * @dev Set the calling contract's allowance toward `spender` to `value`. If `token` returns no value,
     * non-reverting calls are assumed to be successful. Meant to be used with tokens that require the approval
     * to be set to zero before setting it to a non-zero value, such as USDT.
     */
    function forceApprove(IERC20 token, address spender, uint256 value) internal {
        bytes memory approvalCall = abi.encodeCall(token.approve, (spender, value));

        if (!_callOptionalReturnBool(token, approvalCall)) {
            _callOptionalReturn(token, abi.encodeCall(token.approve, (spender, 0)));
            _callOptionalReturn(token, approvalCall);
        }
    }

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

        bytes memory returndata = address(token).functionCall(data);
        if (returndata.length != 0 && !abi.decode(returndata, (bool))) {
            revert SafeERC20FailedOperation(address(token));
        }
    }

    /**
     * @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement
     * on the return value: the return value is optional (but if data is returned, it must not be false).
     * @param token The token targeted by the call.
     * @param data The call data (encoded using abi.encode or one of its variants).
     *
     * This is a variant of {_callOptionalReturn} that silents catches all reverts and returns a bool instead.
     */
    function _callOptionalReturnBool(IERC20 token, bytes memory data) private returns (bool) {
        // We need to perform a low level call here, to bypass Solidity's return data size checking mechanism, since
        // we're implementing it ourselves. We cannot use {Address-functionCall} here since this should return false
        // and not revert is the subcall reverts.

        (bool success, bytes memory returndata) = address(token).call(data);
        return success && (returndata.length == 0 || abi.decode(returndata, (bool))) && address(token).code.length > 0;
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (token/ERC20/IERC20.sol)

pragma solidity ^0.8.20;

/**
 * @dev Interface of the ERC20 standard as defined in the EIP.
 */
interface IERC20 {
    /**
     * @dev Emitted when `value` tokens are moved from one account (`from`) to
     * another (`to`).
     *
     * Note that `value` may be zero.
     */
    event Transfer(address indexed from, address indexed to, uint256 value);

    /**
     * @dev Emitted when the allowance of a `spender` for an `owner` is set by
     * a call to {approve}. `value` is the new allowance.
     */
    event Approval(address indexed owner, address indexed spender, uint256 value);

    /**
     * @dev Returns the value of tokens in existence.
     */
    function totalSupply() external view returns (uint256);

    /**
     * @dev Returns the value of tokens owned by `account`.
     */
    function balanceOf(address account) external view returns (uint256);

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

    /**
     * @dev Returns the remaining number of tokens that `spender` will be
     * allowed to spend on behalf of `owner` through {transferFrom}. This is
     * zero by default.
     *
     * This value changes when {approve} or {transferFrom} are called.
     */
    function allowance(address owner, address spender) external view returns (uint256);

    /**
     * @dev Sets a `value` amount of tokens as the allowance of `spender` over the
     * caller's tokens.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * IMPORTANT: Beware that changing an allowance with this method brings the risk
     * that someone may use both the old and the new allowance by unfortunate
     * transaction ordering. One possible solution to mitigate this race
     * condition is to first reduce the spender's allowance to 0 and set the
     * desired value afterwards:
     * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
     *
     * Emits an {Approval} event.
     */
    function approve(address spender, uint256 value) external returns (bool);

    /**
     * @dev Moves a `value` amount of tokens from `from` to `to` using the
     * allowance mechanism. `value` is then deducted from the caller's
     * allowance.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transferFrom(address from, address to, uint256 value) external returns (bool);
}

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

interface IFactoryRegistry {
    error FallbackFactory();
    error InvalidFactoriesToPoolFactory();
    error PathAlreadyApproved();
    error PathNotApproved();
    error SameAddress();
    error ZeroAddress();

    event Approve(address indexed poolFactory, address indexed votingRewardsFactory, address indexed gaugeFactory);
    event Unapprove(address indexed poolFactory, address indexed votingRewardsFactory, address indexed gaugeFactory);
    event SetManagedRewardsFactory(address indexed _newRewardsFactory);

    /// @notice Approve a set of factories used in Velodrome Protocol.
    ///         Router.sol is able to swap any poolFactories currently approved.
    ///         Cannot approve address(0) factories.
    ///         Cannot approve path that is already approved.
    ///         Each poolFactory has one unique set and maintains state.  In the case a poolFactory is unapproved
    ///             and then re-approved, the same set of factories must be used.  In other words, you cannot overwrite
    ///             the factories tied to a poolFactory address.
    ///         VotingRewardsFactories and GaugeFactories may use the same address across multiple poolFactories.
    /// @dev Callable by onlyOwner
    /// @param poolFactory .
    /// @param votingRewardsFactory .
    /// @param gaugeFactory .
    function approve(address poolFactory, address votingRewardsFactory, address gaugeFactory) external;

    /// @notice Get the factories correlated to a poolFactory.
    ///         Once set, this can never be modified.
    ///         Returns the correlated factories even after an approved poolFactory is unapproved.
    function factoriesToPoolFactory(address poolFactory)
        external
        view
        returns (address votingRewardsFactory, address gaugeFactory);

    /// @notice Check if a PoolFactory is approved within the factory registry.  Router uses this method to
    ///         ensure a pool swapped from is approved.
    /// @param poolFactory .
    /// @return True if PoolFactory is approved, else false
    function isPoolFactoryApproved(address poolFactory) external view returns (bool);
}

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

interface IRootMessageBridge {
    error InvalidCommand();
    error NotAuthorized(uint256 command);
    error NotValidGauge();
    error NotWETH();

    /// @notice Returns the address of the xERC20 token that is bridged by this contract
    function xerc20() external view returns (address);

    /// @notice Returns the address of the voter contract
    /// @dev Used to verify the sender of a message
    function voter() external view returns (address);

    /// @notice Returns the address of the factory registry contract
    function factoryRegistry() external view returns (address);

    /// @notice Returns the address of the WETH contract
    function weth() external view returns (address);

    /// @notice Sends a message to the msg.sender via the module contract
    /// @param _message The message
    /// @param _chainid The chain id of chain the recipient contract is on
    function sendMessage(uint256 _chainid, bytes calldata _message) external;
}

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

interface IMessageSender {
    error NotBridge();

    event SentMessage(
        uint32 indexed _destination, bytes32 indexed _recipient, uint256 _value, string _message, string _metadata
    );

    /// @notice Sends a message to the destination module
    /// @dev All message modules must implement this function
    /// @param _chainid The chain id of the destination chain
    /// @param _message The message
    function sendMessage(uint256 _chainid, bytes calldata _message) external payable;

    /// @notice Quotes the amount of native token required to dispatch a message
    /// @param _destinationDomain The chain id of the destination chain
    /// @param _messageBody The message body to be dispatched
    /// @return The amount of native token required to dispatch the message
    function quote(uint256 _destinationDomain, bytes calldata _messageBody) external view returns (uint256);
}

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

import {IFactoryRegistry} from "src/interfaces/external/IFactoryRegistry.sol";

interface IVoter {
    error AlreadyVotedOrDeposited();
    error DistributeWindow();
    error GaugeAlreadyKilled();
    error GaugeAlreadyRevived();
    error NotEmergencyCouncil();
    error ZeroAddress();

    event GaugeKilled(address indexed gauge);
    event GaugeRevived(address indexed gauge);

    /// @dev Gauge => Amount claimable
    function claimable(address gauge) external view returns (uint256);

    /// @notice Address of Minter.sol
    function minter() external view returns (address);

    /// @notice Set new emergency council.
    /// @dev Throws if not called by emergency council.
    /// @param _emergencyCouncil .
    function setEmergencyCouncil(address _emergencyCouncil) external;

    function vote(uint256 _tokenId, address[] calldata _poolVote, uint256[] calldata _weights) external;

    function gauges(address _pool) external view returns (address);

    function isGauge(address _gauge) external view returns (bool);

    function gaugeToFees(address _gauge) external view returns (address);

    function gaugeToBribe(address _gauge) external view returns (address);

    /// @dev Nft => Timestamp of last vote (ensures single vote per epoch)
    function lastVoted(uint256 tokenId) external view returns (uint256);

    function createGauge(address _poolFactory, address _pool) external returns (address);

    function factoryRegistry() external view returns (address);

    /// @dev Utility to distribute to gauges of pools in array.
    /// @param _gauges Array of gauges to distribute to.
    function distribute(address[] memory _gauges) external;

    function isAlive(address _gauge) external view returns (bool);

    function killGauge(address _gauge) external;

    /// @notice Revives a killed gauge. Gauge will can receive emissions and deposits again.
    /// @dev Throws if not called by emergency council.
    ///      Throws if gauge is not killed.
    /// @param _gauge .
    function reviveGauge(address _gauge) external;

    function isWhitelistedToken(address _token) external view returns (bool);

    function emergencyCouncil() external view returns (address);

    function ve() external view returns (address);

    /// @notice Claim emissions from gauges.
    /// @param _gauges Array of gauges to collect emissions from.
    // function claimRewards(address[] memory _gauges) external;

    /// @notice Claim fees for a given NFT.
    /// @dev Utility to help batch fee claims.
    /// @param _fees    Array of FeesVotingReward contracts to collect from.
    /// @param _tokens  Array of tokens that are used as fees.
    /// @param _tokenId Id of veNFT that you wish to claim fees for.
    function claimFees(address[] memory _fees, address[][] memory _tokens, uint256 _tokenId) external;

    /// @notice Called by users to update voting balances in voting rewards contracts.
    /// @param _tokenId Id of veNFT whose balance you wish to update.
    function poke(uint256 _tokenId) external;

    /// @notice Called by users to reset voting state. Required if you wish to make changes to
    ///         veNFT state (e.g. merge, split, deposit into managed etc).
    ///         Cannot reset in the same epoch that you voted in.
    ///         Can vote or deposit into a managed NFT again after reset.
    /// @param _tokenId Id of veNFT you are reseting.
    function reset(uint256 _tokenId) external;

    /// @notice Standard OZ IGovernor using ve for vote weights.
    function governor() external view returns (address);

    /// @notice Whitelist (or unwhitelist) token for use in incentives.
    /// @dev Throws if not called by governor.
    /// @param _token .
    /// @param _bool .
    function whitelistToken(address _token, bool _bool) external;
}

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

import {IERC20} from "@openzeppelin5/contracts/token/ERC20/IERC20.sol";

interface IWETH is IERC20 {
    function deposit() external payable;

    function withdraw(uint256 wad) external;
}

// SPDX-License-Identifier: BUSL-1.1
pragma solidity >=0.8.19 <0.9.0;

import {Ownable} from "@openzeppelin5/contracts/access/Ownable.sol";
import {EnumerableSet} from "@openzeppelin5/contracts/utils/structs/EnumerableSet.sol";

import {ICrossChainRegistry} from "../interfaces/bridge/ICrossChainRegistry.sol";

/// @title Cross Chain Registry
/// @notice Contains logic for managing registered chains from which messages can be sent to or received from
abstract contract CrossChainRegistry is ICrossChainRegistry, Ownable {
    using EnumerableSet for EnumerableSet.UintSet;
    using EnumerableSet for EnumerableSet.AddressSet;

    /// @dev Stores list of trusted chains
    EnumerableSet.UintSet internal _chainids;
    /// @dev Stores list of modules
    /// @dev Modules on other chains are not trusted by default and must be checked
    EnumerableSet.AddressSet internal _modules;

    /// @inheritdoc ICrossChainRegistry
    mapping(uint256 => address) public chains;

    constructor(address _owner) Ownable(_owner) {}

    /// @inheritdoc ICrossChainRegistry
    function registerChain(uint256 _chainid, address _module) external onlyOwner {
        if (_chainid == 10) revert InvalidChainId();
        if (!_modules.contains(_module)) revert ModuleNotAdded();
        if (_chainids.contains(_chainid)) revert ChainAlreadyAdded();
        chains[_chainid] = _module;
        _chainids.add(_chainid);
        emit ChainRegistered({_chainid: _chainid, _module: _module});
    }

    /// @inheritdoc ICrossChainRegistry
    function deregisterChain(uint256 _chainid) external onlyOwner {
        if (chains[_chainid] == address(0)) revert ChainNotRegistered();
        delete chains[_chainid];
        _chainids.remove(_chainid);
        emit ChainDeregistered({_chainid: _chainid});
    }

    /// @inheritdoc ICrossChainRegistry
    function setModule(uint256 _chainid, address _module) external onlyOwner {
        if (!_modules.contains(_module)) revert ModuleNotAdded();
        if (!_chainids.contains(_chainid)) revert ChainNotRegistered();
        chains[_chainid] = _module;
        emit ModuleSet({_chainid: _chainid, _module: _module});
    }

    /// @inheritdoc ICrossChainRegistry
    function addModule(address _module) external onlyOwner {
        if (_modules.contains(_module)) revert ModuleAlreadyAdded();
        _modules.add(_module);
        emit ModuleAdded({_module: _module});
    }

    /// @inheritdoc ICrossChainRegistry
    function chainids() external view returns (uint256[] memory) {
        return _chainids.values();
    }

    /// @inheritdoc ICrossChainRegistry
    function containsChain(uint256 _chainid) external view returns (bool) {
        return _chainids.contains(_chainid);
    }

    /// @inheritdoc ICrossChainRegistry
    function modules() external view returns (address[] memory) {
        return _modules.values();
    }

    /// @inheritdoc ICrossChainRegistry
    function containsModule(address _module) external view returns (bool) {
        return _modules.contains(_module);
    }
}

// SPDX-License-Identifier: BUSL-1.1
pragma solidity >=0.8.19 <0.9.0;

/// @notice Commands for x-chain interactions
/// @dev Existing commands cannot be modified but new commands can be added
library Commands {
    uint256 public constant NOTIFY = 0x00;
    uint256 public constant NOTIFY_WITHOUT_CLAIM = 0x01;
    uint256 public constant GET_INCENTIVES = 0x02;
    uint256 public constant GET_FEES = 0x03;
    uint256 public constant DEPOSIT = 0x04;
    uint256 public constant WITHDRAW = 0x05;
    uint256 public constant CREATE_GAUGE = 0x06;
    uint256 public constant KILL_GAUGE = 0x07;
    uint256 public constant REVIVE_GAUGE = 0x08;

    uint256 private constant COMMAND_OFFSET = 0;
    uint256 private constant ADDRESS_OFFSET = 1;
    /// @dev Second and Third offset are used in messages with multiple consecutive addresses
    uint256 private constant SECOND_OFFSET = ADDRESS_OFFSET + 20;
    uint256 private constant THIRD_OFFSET = SECOND_OFFSET + 20;
    // Offsets for Create Gauge Command
    uint256 private constant TOKEN0_OFFSET = THIRD_OFFSET + 20;
    uint256 private constant TOKEN1_OFFSET = TOKEN0_OFFSET + 20;
    uint256 private constant POOL_PARAM_OFFSET = TOKEN1_OFFSET + 20;
    // Offsets for Reward Claims
    uint256 private constant LENGTH_OFFSET = THIRD_OFFSET + 32;
    uint256 private constant TOKENS_OFFSET = LENGTH_OFFSET + 1;
    // Offset for Deposit/Withdraw
    uint256 private constant TOKEN_ID_OFFSET = ADDRESS_OFFSET + 20 + 32;
    uint256 private constant TIMESTAMP_OFFSET = TOKEN_ID_OFFSET + 32;
    // Offset for Send Token amount
    uint256 private constant AMOUNT_OFFSET = COMMAND_OFFSET + 20;

    /// @notice Returns the command encoded in the message
    /// @dev Assumes message is encoded as (command, ...)
    /// @param _message The message to be decoded
    function command(bytes calldata _message) internal pure returns (uint256) {
        return uint256(uint8(bytes1(_message[COMMAND_OFFSET:COMMAND_OFFSET + 1])));
    }

    /// @notice Returns the address encoded in the message
    /// @dev Assumes message is encoded as (command, address, ...)
    /// @param _message The message to be decoded
    function toAddress(bytes calldata _message) internal pure returns (address) {
        return address(bytes20(_message[ADDRESS_OFFSET:ADDRESS_OFFSET + 20]));
    }

    /// @notice Returns the message without the encoded command
    /// @dev Assumes message is encoded as (command, message)
    /// @param _message The message to be decoded
    function messageWithoutCommand(bytes calldata _message) internal pure returns (bytes calldata) {
        return bytes(_message[COMMAND_OFFSET + 1:]);
    }

    /// @notice Returns the amount encoded in the message
    /// @dev Assumes message is encoded as (command, amount, ...)
    /// @param _message The message to be decoded
    function amount(bytes calldata _message) internal pure returns (uint256) {
        return uint256(bytes32(_message[SECOND_OFFSET:SECOND_OFFSET + 32]));
    }

    /// @notice Returns the amount, tokenId and timestamp encoded in the message
    /// @dev Assumes message is encoded as (command, amount, tokenId, timestamp, ...)
    /// @param _message The message to be decoded
    function voteParams(bytes calldata _message) internal pure returns (uint256, uint256, uint256) {
        return (
            uint256(bytes32(_message[SECOND_OFFSET:SECOND_OFFSET + 32])),
            uint256(bytes32(_message[TOKEN_ID_OFFSET:TIMESTAMP_OFFSET])),
            uint256(uint40(bytes5(_message[TIMESTAMP_OFFSET:TIMESTAMP_OFFSET + 5])))
        );
    }

    /// @notice Returns the recipient and amount encoded in the message
    /// @dev Assumes no command is encoded and message is encoded as (address, amount)
    /// @param _message The message to be decoded
    function recipientAndAmount(bytes calldata _message) internal pure returns (address, uint256) {
        return (
            address(bytes20(_message[COMMAND_OFFSET:COMMAND_OFFSET + 20])),
            uint256(bytes32(_message[AMOUNT_OFFSET:AMOUNT_OFFSET + 32]))
        );
    }

    /// @notice Returns the parameters necessary for gauge creation, encoded in the message
    /// @dev Assumes message is encoded as (command, address, address, address, address, uint24)
    /// @param _message The message to be decoded
    function createGaugeParams(bytes calldata _message)
        internal
        pure
        returns (address, address, address, address, address, uint24)
    {
        return (
            address(bytes20(_message[ADDRESS_OFFSET:ADDRESS_OFFSET + 20])),
            address(bytes20(_message[SECOND_OFFSET:SECOND_OFFSET + 20])),
            address(bytes20(_message[THIRD_OFFSET:THIRD_OFFSET + 20])),
            address(bytes20(_message[TOKEN0_OFFSET:TOKEN0_OFFSET + 20])),
            address(bytes20(_message[TOKEN1_OFFSET:TOKEN1_OFFSET + 20])),
            uint24(bytes3(_message[POOL_PARAM_OFFSET:POOL_PARAM_OFFSET + 3]))
        );
    }

    /// @notice Returns the owner encoded in the message
    /// @dev Assumes message is encoded as (command, address, owner, ...)
    /// @param _message The message to be decoded
    function owner(bytes calldata _message) internal pure returns (address) {
        return address(bytes20(_message[SECOND_OFFSET:SECOND_OFFSET + 20]));
    }

    /// @notice Returns the tokenId encoded in a reward claiming message
    /// @dev Assumes message is encoded as (command, address, tokenId, ...)
    /// @param _message The message to be decoded
    function tokenId(bytes calldata _message) internal pure returns (uint256) {
        return uint256(bytes32(_message[THIRD_OFFSET:THIRD_OFFSET + 32]));
    }

    /// @notice Returns the token addresses encoded in the message
    /// @dev Assumes message has length and token addresses encoded
    /// @param _message The message to be decoded
    function tokens(bytes calldata _message) internal pure returns (address[] memory _tokens) {
        uint256 length = uint8(bytes1(_message[LENGTH_OFFSET:LENGTH_OFFSET + 1]));

        _tokens = new address[](length);
        for (uint256 i = 0; i < length; i++) {
            _tokens[i] =
                address(uint160(uint256(bytes32(_message[TOKENS_OFFSET + (i * 32):TOKENS_OFFSET + ((i + 1) * 32)]))));
        }
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (token/ERC20/extensions/IERC20Permit.sol)

pragma solidity ^0.8.20;

/**
 * @dev Interface of the ERC20 Permit extension allowing approvals to be made via signatures, as defined in
 * https://eips.ethereum.org/EIPS/eip-2612[EIP-2612].
 *
 * Adds the {permit} method, which can be used to change an account's ERC20 allowance (see {IERC20-allowance}) by
 * presenting a message signed by the account. By not relying on {IERC20-approve}, the token holder account doesn't
 * need to send a transaction, and thus is not required to hold Ether at all.
 *
 * ==== Security Considerations
 *
 * There are two important considerations concerning the use of `permit`. The first is that a valid permit signature
 * expresses an allowance, and it should not be assumed to convey additional meaning. In particular, it should not be
 * considered as an intention to spend the allowance in any specific way. The second is that because permits have
 * built-in replay protection and can be submitted by anyone, they can be frontrun. A protocol that uses permits should
 * take this into consideration and allow a `permit` call to fail. Combining these two aspects, a pattern that may be
 * generally recommended is:
 *
 * ```solidity
 * function doThingWithPermit(..., uint256 value, uint256 deadline, uint8 v, bytes32 r, bytes32 s) public {
 *     try token.permit(msg.sender, address(this), value, deadline, v, r, s) {} catch {}
 *     doThing(..., value);
 * }
 *
 * function doThing(..., uint256 value) public {
 *     token.safeTransferFrom(msg.sender, address(this), value);
 *     ...
 * }
 * ```
 *
 * Observe that: 1) `msg.sender` is used as the owner, leaving no ambiguity as to the signer intent, and 2) the use of
 * `try/catch` allows the permit to fail and makes the code tolerant to frontrunning. (See also
 * {SafeERC20-safeTransferFrom}).
 *
 * Additionally, note that smart contract wallets (such as Argent or Safe) are not able to produce permit signatures, so
 * contracts should have entry points that don't rely on permit.
 */
interface IERC20Permit {
    /**
     * @dev Sets `value` as the allowance of `spender` over ``owner``'s tokens,
     * given ``owner``'s signed approval.
     *
     * IMPORTANT: The same issues {IERC20-approve} has related to transaction
     * ordering also apply here.
     *
     * Emits an {Approval} event.
     *
     * Requirements:
     *
     * - `spender` cannot be the zero address.
     * - `deadline` must be a timestamp in the future.
     * - `v`, `r` and `s` must be a valid `secp256k1` signature from `owner`
     * over the EIP712-formatted function arguments.
     * - the signature must use ``owner``'s current nonce (see {nonces}).
     *
     * For more information on the signature format, see the
     * https://eips.ethereum.org/EIPS/eip-2612#specification[relevant EIP
     * section].
     *
     * CAUTION: See Security Considerations above.
     */
    function permit(
        address owner,
        address spender,
        uint256 value,
        uint256 deadline,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) external;

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

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

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (utils/Address.sol)

pragma solidity ^0.8.20;

/**
 * @dev Collection of functions related to the address type
 */
library Address {
    /**
     * @dev The ETH balance of the account is not enough to perform the operation.
     */
    error AddressInsufficientBalance(address account);

    /**
     * @dev There's no code at `target` (it is not a contract).
     */
    error AddressEmptyCode(address target);

    /**
     * @dev A call to an address target failed. The target may have reverted.
     */
    error FailedInnerCall();

    /**
     * @dev Replacement for Solidity's `transfer`: sends `amount` wei to
     * `recipient`, forwarding all available gas and reverting on errors.
     *
     * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost
     * of certain opcodes, possibly making contracts go over the 2300 gas limit
     * imposed by `transfer`, making them unable to receive funds via
     * `transfer`. {sendValue} removes this limitation.
     *
     * https://consensys.net/diligence/blog/2019/09/stop-using-soliditys-transfer-now/[Learn more].
     *
     * IMPORTANT: because control is transferred to `recipient`, care must be
     * taken to not create reentrancy vulnerabilities. Consider using
     * {ReentrancyGuard} or the
     * https://solidity.readthedocs.io/en/v0.8.20/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
     */
    function sendValue(address payable recipient, uint256 amount) internal {
        if (address(this).balance < amount) {
            revert AddressInsufficientBalance(address(this));
        }

        (bool success, ) = recipient.call{value: amount}("");
        if (!success) {
            revert FailedInnerCall();
        }
    }

    /**
     * @dev Performs a Solidity function call using a low level `call`. A
     * plain `call` is an unsafe replacement for a function call: use this
     * function instead.
     *
     * If `target` reverts with a revert reason or custom error, it is bubbled
     * up by this function (like regular Solidity function calls). However, if
     * the call reverted with no returned reason, this function reverts with a
     * {FailedInnerCall} error.
     *
     * Returns the raw returned data. To convert to the expected return value,
     * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].
     *
     * Requirements:
     *
     * - `target` must be a contract.
     * - calling `target` with `data` must not revert.
     */
    function functionCall(address target, bytes memory data) internal returns (bytes memory) {
        return functionCallWithValue(target, data, 0);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but also transferring `value` wei to `target`.
     *
     * Requirements:
     *
     * - the calling contract must have an ETH balance of at least `value`.
     * - the called Solidity function must be `payable`.
     */
    function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) {
        if (address(this).balance < value) {
            revert AddressInsufficientBalance(address(this));
        }
        (bool success, bytes memory returndata) = target.call{value: value}(data);
        return verifyCallResultFromTarget(target, success, returndata);
    }

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

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

    /**
     * @dev Tool to verify that a low level call to smart-contract was successful, and reverts if the target
     * was not a contract or bubbling up the revert reason (falling back to {FailedInnerCall}) in case of an
     * unsuccessful call.
     */
    function verifyCallResultFromTarget(
        address target,
        bool success,
        bytes memory returndata
    ) internal view returns (bytes memory) {
        if (!success) {
            _revert(returndata);
        } else {
            // only check if target is a contract if the call was successful and the return data is empty
            // otherwise we already know that it was a contract
            if (returndata.length == 0 && target.code.length == 0) {
                revert AddressEmptyCode(target);
            }
            return returndata;
        }
    }

    /**
     * @dev Tool to verify that a low level call was successful, and reverts if it wasn't, either by bubbling the
     * revert reason or with a default {FailedInnerCall} error.
     */
    function verifyCallResult(bool success, bytes memory returndata) internal pure returns (bytes memory) {
        if (!success) {
            _revert(returndata);
        } else {
            return returndata;
        }
    }

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

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (access/Ownable.sol)

pragma solidity ^0.8.20;

import {Context} from "../utils/Context.sol";

/**
 * @dev Contract module which provides a basic access control mechanism, where
 * there is an account (an owner) that can be granted exclusive access to
 * specific functions.
 *
 * The initial owner is set to the address provided by the deployer. This can
 * later be changed with {transferOwnership}.
 *
 * This module is used through inheritance. It will make available the modifier
 * `onlyOwner`, which can be applied to your functions to restrict their use to
 * the owner.
 */
abstract contract Ownable is Context {
    address private _owner;

    /**
     * @dev The caller account is not authorized to perform an operation.
     */
    error OwnableUnauthorizedAccount(address account);

    /**
     * @dev The owner is not a valid owner account. (eg. `address(0)`)
     */
    error OwnableInvalidOwner(address owner);

    event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);

    /**
     * @dev Initializes the contract setting the address provided by the deployer as the initial owner.
     */
    constructor(address initialOwner) {
        if (initialOwner == address(0)) {
            revert OwnableInvalidOwner(address(0));
        }
        _transferOwnership(initialOwner);
    }

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

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

    /**
     * @dev Throws if the sender is not the owner.
     */
    function _checkOwner() internal view virtual {
        if (owner() != _msgSender()) {
            revert OwnableUnauthorizedAccount(_msgSender());
        }
    }

    /**
     * @dev Leaves the contract without owner. It will not be possible to call
     * `onlyOwner` functions. Can only be called by the current owner.
     *
     * NOTE: Renouncing ownership will leave the contract without an owner,
     * thereby disabling any functionality that is only available to the owner.
     */
    function renounceOwnership() public virtual onlyOwner {
        _transferOwnership(address(0));
    }

    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`).
     * Can only be called by the current owner.
     */
    function transferOwnership(address newOwner) public virtual onlyOwner {
        if (newOwner == address(0)) {
            revert OwnableInvalidOwner(address(0));
        }
        _transferOwnership(newOwner);
    }

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

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

interface ICrossChainRegistry {
    event ChainRegistered(uint256 indexed _chainid, address indexed _module);
    event ChainDeregistered(uint256 indexed _chainid);
    event ModuleAdded(address indexed _module);
    event ModuleSet(uint256 indexed _chainid, address indexed _module);

    error ChainAlreadyAdded();
    error ChainNotRegistered();
    error InvalidChainId();
    error ModuleAlreadyAdded();
    error ModuleNotAdded();

    /// @notice Add support for a chain with messages forwarded to a given module
    /// @dev Check module code if adding a new module for the first time
    /// @param _chainid Chain ID to add
    /// @param _module Module to forward messages to, must be registered
    function registerChain(uint256 _chainid, address _module) external;

    /// @notice Remove support for a chain
    /// @param _chainid Chain ID to remove
    function deregisterChain(uint256 _chainid) external;

    /// @notice Add a module to be used for message forwarding
    /// @dev Modules are deployed on other chains at the same address
    /// @dev Modules are not trusted by default and must be checked prior to usage
    /// @param _module Module to register
    function addModule(address _module) external;

    /// @notice Update a module used by a chain for message forwarding
    /// @param _chainid Chain ID to update
    /// @param _module Module to forward messages to
    function setModule(uint256 _chainid, address _module) external;

    /// @notice Get message module for a given chain
    /// @param _chainid Chain ID to check
    function chains(uint256 _chainid) external view returns (address);

    /// @notice Get list of supported chains
    function chainids() external view returns (uint256[] memory);

    /// @notice Check if a chain is supported
    /// @param _chainid Chain ID to check
    function containsChain(uint256 _chainid) external view returns (bool);

    /// @notice Get list of registered modules
    function modules() external view returns (address[] memory);

    /// @notice Check if a module is registered
    /// @param _module Module to check
    function containsModule(address _module) external view returns (bool);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.1) (utils/Context.sol)

pragma solidity ^0.8.20;

/**
 * @dev Provides information about the current execution context, including the
 * sender of the transaction and its data. While these are generally available
 * via msg.sender and msg.data, they should not be accessed in such a direct
 * manner, since when dealing with meta-transactions the account sending and
 * paying for execution may not be the actual sender (as far as an application
 * is concerned).
 *
 * This contract is only required for intermediate, library-like contracts.
 */
abstract contract Context {
    function _msgSender() internal view virtual returns (address) {
        return msg.sender;
    }

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

    function _contextSuffixLength() internal view virtual returns (uint256) {
        return 0;
    }
}

{
  "remappings": [
    "@openzeppelin5/contracts/=lib/openzeppelin-contracts/contracts/",
    "ds-test/=lib/openzeppelin-contracts/lib/forge-std/lib/ds-test/src/",
    "erc4626-tests/=lib/openzeppelin-contracts/lib/erc4626-tests/",
    "forge-std/src/=lib/forge-std/src/",
    "openzeppelin-contracts/=lib/openzeppelin-contracts/",
    "createX/=lib/createX/src/",
    "@nomad-xyz/=lib/ExcessivelySafeCall/",
    "@hyperlane/=node_modules/@hyperlane-xyz/",
    "@openzeppelin/contracts/=node_modules/@openzeppelin/contracts/",
    "@openzeppelin/contracts-upgradeable/=node_modules/@openzeppelin/contracts-upgradeable/",
    "ExcessivelySafeCall/=lib/ExcessivelySafeCall/src/",
    "forge-gas-snapshot/=lib/forge-gas-snapshot/src/",
    "openzeppelin/=lib/createX/lib/openzeppelin-contracts/contracts/",
    "solady/=lib/createX/lib/solady/"
  ],
  "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": {
    "src/libraries/rateLimits/RateLimitMidpointCommonLibrary.sol": {
      "RateLimitMidpointCommonLibrary": "0x8326B5f31549d12943088CF3F8Dd637dd6465a99"
    }
  }
}

• No Contract Security Audit Submitted- Submit Audit Here

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e":"function"},{"inputs":[],"name":"weth","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"xerc20","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"stateMutability":"payable","type":"receive"}]

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000000000000000000000000ba4bb89f4d1e66aa86b60696534892ae0ccf91f50000000000000000000000007f9adfbd38b669f03d1d11000bc76b9aaea28a8100000000000000000000000041c914ee0c7e1a5edcd0295623e6dc557b5abf3c0000000000000000000000004200000000000000000000000000000000000006

-----Decoded View---------------
Arg [0] : _owner (address): 0xBA4BB89f4d1E66AA86B60696534892aE0cCf91F5
Arg [1] : _xerc20 (address): 0x7f9AdFbd38b669F03d1d11000Bc76b9AaEA28A81
Arg [2] : _voter (address): 0x41C914ee0c7E1A5edCD0295623e6dC557B5aBf3C
Arg [3] : _weth (address): 0x4200000000000000000000000000000000000006

-----Encoded View---------------
4 Constructor Arguments found :
Arg [0] : 000000000000000000000000ba4bb89f4d1e66aa86b60696534892ae0ccf91f5
Arg [1] : 0000000000000000000000007f9adfbd38b669f03d1d11000bc76b9aaea28a81
Arg [2] : 00000000000000000000000041c914ee0c7e1a5edcd0295623e6dc557b5abf3c
Arg [3] : 0000000000000000000000004200000000000000000000000000000000000006