Michael Freno
7c684a42cc
- Consolidated duplicate UndoManagers to single instance - Fixed connection promise to only resolve on 'connected' status - Fixed WebSocketProvider import (WebsocketProvider) - Added proper doc.destroy() cleanup - Renamed isPresenceInitialized property to avoid conflict Co-Authored-By: Paperclip <noreply@paperclip.ing>
34 lines
1.3 KiB
TypeScript
34 lines
1.3 KiB
TypeScript
import type { ErrorType } from '../../errors/utils.js'
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import {
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type StringToBytesErrorType,
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stringToBytes,
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} from '../encoding/toBytes.js'
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import { type BytesToHexErrorType, bytesToHex } from '../encoding/toHex.js'
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import { type Keccak256ErrorType, keccak256 } from '../hash/keccak256.js'
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import {
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type EncodedLabelToLabelhashErrorType,
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encodedLabelToLabelhash,
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} from './encodedLabelToLabelhash.js'
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export type LabelhashErrorType =
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| BytesToHexErrorType
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| EncodedLabelToLabelhashErrorType
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| Keccak256ErrorType
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| StringToBytesErrorType
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| ErrorType
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/**
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* @description Hashes ENS label
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*
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* - Since ENS labels prohibit certain forbidden characters (e.g. underscore) and have other validation rules, you likely want to [normalize ENS labels](https://docs.ens.domains/contract-api-reference/name-processing#normalising-names) with [UTS-46 normalization](https://unicode.org/reports/tr46) before passing them to `labelhash`. You can use the built-in [`normalize`](https://viem.sh/docs/ens/utilities/normalize) function for this.
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*
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* @example
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* labelhash('eth')
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* '0x4f5b812789fc606be1b3b16908db13fc7a9adf7ca72641f84d75b47069d3d7f0'
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*/
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export function labelhash(label: string) {
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const result = new Uint8Array(32).fill(0)
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if (!label) return bytesToHex(result)
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return encodedLabelToLabelhash(label) || keccak256(stringToBytes(label))
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}
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