getSingleNip51RelaySet method

Future<Nip51Set?> getSingleNip51RelaySet(String name, EventSigner signer, { bool forceRefresh = false, })

Implementation

Future<Nip51Set?> getSingleNip51RelaySet(String name, EventSigner signer,
    {bool forceRefresh = false}) async {
  Nip51Set? relaySet = await getCachedNip51RelaySet(name, signer);
  if (relaySet==null || forceRefresh) {
    Nip51Set? newRelaySet;
    await for (final event in (await requestRelays(bootstrapRelays.toList(),
        Filter(
          authors: [signer.getPublicKey()],
          kinds: [Nip51List.RELAY_SET],
          dTags: [name],
        ), timeout: 5)).stream) {
      if (newRelaySet == null ||
          newRelaySet.createdAt < event.createdAt) {
        if (event.getDtag()!=null && event.getDtag() == name) {
          newRelaySet = await Nip51Set.fromEvent(event, signer);
          await cacheManager.saveEvent(event);
        } else if (Helpers.isNotBlank(event.content)) {
          Nip51Set? decryptedRelaySet = await Nip51Set.fromEvent(event, signer);
          if (decryptedRelaySet!=null && decryptedRelaySet.name == name) {
            newRelaySet = decryptedRelaySet;
            await cacheManager.saveEvent(event);
          }
        }
      }
    }
    return newRelaySet;
  }
  return relaySet;
}