Method isEventValid

src/handlers/event-message-handler.ts:227–252

(event: Event)

  }

  protected async isEventValid(event: Event): Promise<string | undefined> {
    if (!(await isEventIdValid(event))) {
      return 'invalid: event id does not match'
    }
    if (!(await isEventSignatureValid(event))) {
      return 'invalid: event signature verification failed'
    }

    if (event.kind === EventKinds.REQUEST_TO_VANISH && !isRequestToVanishEvent(event, this.settings().info.relay_url)) {
      return 'invalid: request to vanish relay tag invalid'
    }

    // NIP-17: kind 13 (Seal) and kind 14 (Direct Message) are inner events that
    // must never be published directly to a relay. They are encrypted inside a
    // kind 1059 Gift Wrap (NIP-59) before being sent here.
    // Marmot MIP-02: kind 444 (Welcome rumor) is similarly an inner event that
    // must only be delivered inside a kind 1059 gift wrap.
    if (isSealEvent(event) || isDirectMessageEvent(event) || isFileMessageEvent(event) || isWelcomeRumorEvent(event)) {
      return `blocked: kind ${event.kind} events must not be published directly; wrap them in a kind 1059 gift wrap`
    }

    // NIP-42: auth events must use the AUTH message type
    if (event.kind === EventKinds.AUTH) {
      return 'invalid: auth events must be sent using the AUTH message type'
    }
  }

  protected async isBlockedByRequestToVanish(event: Event): Promise<string | undefined> {
    if (isRequestToVanishEvent(event)) {