IBroadcastRegistry.sol

// SPDX-License-Identifier: BUSL-1.1
pragma solidity ^0.8.23;

/// @title IBroadcastRegistry
/// @dev Interface for BroadcastRegistry
/// @author ZeroPoint Labs
interface IBroadcastRegistry {
    //////////////////////////////////////////////////////////////
    //              EXTERNAL WRITE FUNCTIONS                    //
    //////////////////////////////////////////////////////////////

    /// @dev emitted when a payload is broadcasted
    event PayloadSent(address indexed sender);

    /// @dev emitted when a broadcast payload is received
    event PayloadReceived(uint256 indexed payloadId, uint64 indexed srcChainId);

    //////////////////////////////////////////////////////////////
    //              EXTERNAL WRITE FUNCTIONS                    //
    //////////////////////////////////////////////////////////////

    /// @dev allows core contracts to send payload to all configured destination chain.
    /// @param srcSender_ is the caller of the function (used for gas refunds).
    /// @param ambId_ is the identifier of the arbitrary message bridge to be used
    /// @param gasFee_ is the gas fee to be used for broadcasting
    /// @param message_ is the crosschain payload to be broadcasted
    /// @param extraData_ defines all the message bridge related overrides
    function broadcastPayload(
        address srcSender_,
        uint8 ambId_,
        uint256 gasFee_,
        bytes memory message_,
        bytes memory extraData_
    )
        external
        payable;

    /// @dev allows ambs to write broadcasted payloads
    function receiveBroadcastPayload(uint64 srcChainId_, bytes memory message_) external;

    /// @dev allows privileged actors to process broadcasted payloads
    /// @param payloadId_ is the identifier of the cross-chain payload
    function processPayload(uint256 payloadId_) external;
}