MessageBus.sol

// SPDX-License-Identifier: GPL-3.0-only

pragma solidity 0.8.17;

import "./MessageBusSender.sol";
import "./MessageBusReceiver.sol";

contract MessageBus is MessageBusSender, MessageBusReceiver {
    constructor(
        ISigsVerifier _sigsVerifier,
        address _liquidityBridge,
        address _pegBridge,
        address _pegVault,
        address _pegBridgeV2,
        address _pegVaultV2
    )
        MessageBusSender(_sigsVerifier)
        MessageBusReceiver(_liquidityBridge, _pegBridge, _pegVault, _pegBridgeV2, _pegVaultV2)
    {}

    // this is only to be called by Proxy via delegateCall as initOwner will require _owner is 0.
    // so calling init on this contract directly will guarantee to fail
    function init(
        address _liquidityBridge,
        address _pegBridge,
        address _pegVault,
        address _pegBridgeV2,
        address _pegVaultV2
    ) external {
        // MUST manually call ownable init and must only call once
        initOwner();
        // we don't need sender init as _sigsVerifier is immutable so already in the deployed code
        initReceiver(_liquidityBridge, _pegBridge, _pegVault, _pegBridgeV2, _pegVaultV2);
    }
}