NIP-42

Utilities for NIP-42 relay authentication, allowing clients to authenticate with relays that require it.

Functions

makeRelayAuth(url, challenge)

Creates a CLIENT_AUTH event (kind 22242) for relay authentication as specified in NIP-42.

Parameters:

• url - The relay URL to authenticate with
• challenge - The challenge string provided by the relay

Returns: Unsigned event object with relay and challenge tags

Example

import {makeRelayAuth} from "@welshman/util"

// Create auth event when relay sends AUTH challenge
const authEvent = makeRelayAuth(
  "wss://relay.example.com",
  "challenge-string-from-relay"
)

// Sign the event with your signer
const signedAuth = await signer.sign(authEvent)