// File: contracts/insured-bridge/ovm/Optimism_Messenger.sol



// SPDX-License-Identifier: AGPL-3.0-only
pragma solidity ^0.8.0;

import "@eth-optimism/contracts/libraries/bridge/CrossDomainEnabled.sol";
import "../interfaces/MessengerInterface.sol";
import "@openzeppelin/contracts/access/Ownable.sol";

/**
 * @notice Sends cross chain messages Optimism L2 network.
 * @dev This contract's owner should be set to the BridgeAdmin deployed on the same L1 network so that only the
 * BridgeAdmin can call cross-chain administrative functions on the L2 DepositBox via this messenger.
 */
contract Optimism_Messenger is Ownable, CrossDomainEnabled, MessengerInterface {
    constructor(address _crossDomainMessenger) CrossDomainEnabled(_crossDomainMessenger) {}

    /**
     * @notice Sends a message to an account on L2.
     * @param target The intended recipient on L2.
     * @param gasLimit The gasLimit for the receipt of the message on L2.
     * @param message The data to send to the target (usually calldata to a function with
     *  `onlyFromCrossDomainAccount()`)
     */
    function relayMessage(
        address target,
        address,
        uint256,
        uint256 gasLimit,
        uint256,
        uint256,
        bytes memory message
    ) external payable override onlyOwner {
        sendCrossDomainMessage(target, uint32(gasLimit), message);
    }
}

// File: @eth-optimism/contracts/libraries/bridge/CrossDomainEnabled.sol



// SPDX-License-Identifier: MIT
pragma solidity >0.5.0 <0.9.0;

/* Interface Imports */
import { ICrossDomainMessenger } from "./ICrossDomainMessenger.sol";

/**
 * @title CrossDomainEnabled
 * @dev Helper contract for contracts performing cross-domain communications
 *
 * Compiler used: defined by inheriting contract
 */
contract CrossDomainEnabled {
    /*************
     * Variables *
     *************/

    // Messenger contract used to send and recieve messages from the other domain.
    address public messenger;

    /***************
     * Constructor *
     ***************/

    /**
     * @param _messenger Address of the CrossDomainMessenger on the current layer.
     */
    constructor(address _messenger) {
        messenger = _messenger;
    }

    /**********************
     * Function Modifiers *
     **********************/

    /**
     * Enforces that the modified function is only callable by a specific cross-domain account.
     * @param _sourceDomainAccount The only account on the originating domain which is
     *  authenticated to call this function.
     */
    modifier onlyFromCrossDomainAccount(address _sourceDomainAccount) {
        require(
            msg.sender == address(getCrossDomainMessenger()),
            "OVM_XCHAIN: messenger contract unauthenticated"
        );

        require(
            getCrossDomainMessenger().xDomainMessageSender() == _sourceDomainAccount,
            "OVM_XCHAIN: wrong sender of cross-domain message"
        );

        _;
    }

    /**********************
     * Internal Functions *
     **********************/

    /**
     * Gets the messenger, usually from storage. This function is exposed in case a child contract
     * needs to override.
     * @return The address of the cross-domain messenger contract which should be used.
     */
    function getCrossDomainMessenger() internal virtual returns (ICrossDomainMessenger) {
        return ICrossDomainMessenger(messenger);
    }

    /**q
     * Sends a message to an account on another domain
     * @param _crossDomainTarget The intended recipient on the destination domain
     * @param _message The data to send to the target (usually calldata to a function with
     *  `onlyFromCrossDomainAccount()`)
     * @param _gasLimit The gasLimit for the receipt of the message on the target domain.
     */
    function sendCrossDomainMessage(
        address _crossDomainTarget,
        uint32 _gasLimit,
        bytes memory _message
    ) internal {
        getCrossDomainMessenger().sendMessage(_crossDomainTarget, _message, _gasLimit);
    }
}

// File: contracts/insured-bridge/interfaces/MessengerInterface.sol



// SPDX-License-Identifier: AGPL-3.0-only
pragma solidity ^0.8.0;

/**
 * @notice Sends cross chain messages to contracts on a specific L2 network. The `relayMessage` implementation will
 * differ for each L2.
 */
interface MessengerInterface {
    function relayMessage(
        address target,
        address userToRefund,
        uint256 l1CallValue,
        uint256 gasLimit,
        uint256 gasPrice,
        uint256 maxSubmissionCost,
        bytes memory message
    ) external payable;
}

// File: @openzeppelin/contracts/access/Ownable.sol



// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

import "../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.
 *
 * By default, the owner account will be the one that deploys the contract. 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;

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

    /**
     * @dev Initializes the contract setting the deployer as the initial owner.
     */
    constructor() {
        _setOwner(_msgSender());
    }

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

    /**
     * @dev Throws if called by any account other than the owner.
     */
    modifier onlyOwner() {
        require(owner() == _msgSender(), "Ownable: caller is not the owner");
        _;
    }

    /**
     * @dev Leaves the contract without owner. It will not be possible to call
     * `onlyOwner` functions anymore. Can only be called by the current owner.
     *
     * NOTE: Renouncing ownership will leave the contract without an owner,
     * thereby removing any functionality that is only available to the owner.
     */
    function renounceOwnership() public virtual onlyOwner {
        _setOwner(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 {
        require(newOwner != address(0), "Ownable: new owner is the zero address");
        _setOwner(newOwner);
    }

    function _setOwner(address newOwner) private {
        address oldOwner = _owner;
        _owner = newOwner;
        emit OwnershipTransferred(oldOwner, newOwner);
    }
}

// File: @eth-optimism/contracts/libraries/bridge/ICrossDomainMessenger.sol



// SPDX-License-Identifier: MIT
pragma solidity >0.5.0 <0.9.0;

/**
 * @title ICrossDomainMessenger
 */
interface ICrossDomainMessenger {
    /**********
     * Events *
     **********/

    event SentMessage(
        address indexed target,
        address sender,
        bytes message,
        uint256 messageNonce,
        uint256 gasLimit
    );
    event RelayedMessage(bytes32 indexed msgHash);
    event FailedRelayedMessage(bytes32 indexed msgHash);

    /*************
     * Variables *
     *************/

    function xDomainMessageSender() external view returns (address);

    /********************
     * Public Functions *
     ********************/

    /**
     * Sends a cross domain message to the target messenger.
     * @param _target Target contract address.
     * @param _message Message to send to the target.
     * @param _gasLimit Gas limit for the provided message.
     */
    function sendMessage(
        address _target,
        bytes calldata _message,
        uint32 _gasLimit
    ) external;
}

// File: @openzeppelin/contracts/utils/Context.sol



// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

/**
 * @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;
    }
}