// SPDX-License-Identifier: Apache-2.0
/*
 * Copyright (c) 2022, Circle Internet Financial Limited.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
pragma solidity ^0.8.24;

import {IMessageTransmitter} from "../../../pools/USDC/interfaces/IMessageTransmitter.sol";

// This follows https://github.com/circlefin/evm-cctp-contracts/blob/master/src/interfaces/IMessageTransmitter.sol
interface IMessageTransmitterWithRelay is IMessageTransmitter {
  /**
   * @notice Sends an outgoing message from the source domain.
   * @dev Increment nonce, format the message, and emit `MessageSent` event with message information.
   * @param destinationDomain Domain of destination chain
   * @param recipient Address of message recipient on destination domain as bytes32
   * @param messageBody Raw bytes content of message
   * @return nonce reserved by message
   */
  function sendMessage(
    uint32 destinationDomain,
    bytes32 recipient,
    bytes calldata messageBody
  ) external returns (uint64);

  /**
   * @notice Sends an outgoing message from the source domain, with a specified caller on the
   * destination domain.
   * @dev Increment nonce, format the message, and emit `MessageSent` event with message information.
   * WARNING: if the `destinationCaller` does not represent a valid address as bytes32, then it will not be possible
   * to broadcast the message on the destination domain. This is an advanced feature, and the standard
   * sendMessage() should be preferred for use cases where a specific destination caller is not required.
   * @param destinationDomain Domain of destination chain
   * @param recipient Address of message recipient on destination domain as bytes32
   * @param destinationCaller caller on the destination domain, as bytes32
   * @param messageBody Raw bytes content of message
   * @return nonce reserved by message
   */
  function sendMessageWithCaller(
    uint32 destinationDomain,
    bytes32 recipient,
    bytes32 destinationCaller,
    bytes calldata messageBody
  ) external returns (uint64);
}