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@tevm/decorators

@tevm/decorators / LogTopic

Type Alias: LogTopic

LogTopic = Hex | Hex[] | null

Defined in: eip1193/misc.ts:41

Event log topic for Ethereum event filtering. Can be a single topic, array of alternative topics, or null for wildcard matching.

Example

import { LogTopic } from '@tevm/decorators'

// Match specific topic
const singleTopic: LogTopic = '0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef'

// Match any of several topics (OR condition)
const multipleTopic: LogTopic = [
  '0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef', // Transfer
  '0x8c5be1e5ebec7d5bd14f71427d1e84f3dd0314c0f7b2291e5b200ac8c7c3b925'  // Approval
]

// Wildcard - match any topic
const wildcardTopic: LogTopic = null