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import * as TopicFilter from 'voltaire-effect/primitives/TopicFilter'
import { Effect } from 'effect'

const filter = yield* TopicFilter.from([
  transferEventSignature,  // topic[0]: event sig
  senderAddress,           // topic[1]: from
  null                     // topic[2]: any (wildcard)
])

​
OR Conditions

// Match transfers from sender1 OR sender2
const filter = yield* TopicFilter.from([
  transferEventSignature,
  [sender1, sender2],  // OR
  null
])

​
Schema

import * as Schema from 'effect/Schema'

const filter = Schema.decodeSync(TopicFilter.TopicFilterSchema)([
  transferEventSignature,
  senderAddress,
  null
])
Up to 4 topics. Each position: specific value, array (OR), or null (wildcard).