All files / src/feed identifier.ts

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import { Binary } from 'cafe-utility'
import { FeedIndex, Identifier, Topic } from '../utils/typed-bytes'
 
export function makeFeedIdentifier(topic: Topic, index: FeedIndex | number): Identifier {
  index = typeof index === 'number' ? FeedIndex.fromBigInt(BigInt(index)) : index
 
  return new Identifier(Binary.keccak256(Binary.concatBytes(topic.toUint8Array(), index.toUint8Array())))
}