Function getDisplayName

pmcaptcha/pmcaptcha.ts:389–397

(client: TelegramClient, userId: number)

  if (directPeer) cacheInputPeer(userId, directPeer);
  if (inputPeerCache.has(userId)) return;

  try {
    const peer = await (message as any).getInputChat?.();
    cacheInputPeer(userId, peer);
  } catch {}
}

async function fetchUserInfo(client: TelegramClient, userId: number): Promise<any | null> {
  try {
    const e = await client.getEntity(userId) as any;
    cacheUserFromSender(e);
    return e;