import type { Address, Hex } from 'viem';
/**
 * Spec for [`MessageIdentifier`](https://github.com/ethereum-optimism/specs/blob/main/specs/interop/messaging.md#message-identifier).
 * @category Types
 */
export type MessageIdentifier = {
    /** Account that emits log */
    origin: Address;
    /** Block number in which the log was emitted */
    blockNumber: bigint;
    /** The index of the log in the array of all logs emitted in the block */
    logIndex: bigint;
    /** The timestamp that the log was emitted. Used to enforce the timestamp invariant */
    timestamp: bigint;
    /** The chain that emitted the log */
    chainId: bigint;
};
/**
 * Spec for [`MessagePayload`](https://github.com/ethereum-optimism/specs/blob/main/specs/interop/messaging.md#message-payload).
 * @category Types
 */
export type MessagePayload = Hex;