Function buildChannelHistoryFilter

desktop/src/shared/api/relayChannelFilters.ts:52–68

(
  channelId: string,
  limit: number,
  until?: number,
)

 * broad {@link CHANNEL_EVENT_KINDS} set).
 */
export function buildChannelHistoryFilter(
  channelId: string,
  limit: number,
  until?: number,
): RelaySubscriptionFilter {
  const filter: RelaySubscriptionFilter = {
    kinds: [...CHANNEL_TIMELINE_CONTENT_KINDS],
    "#h": [channelId],
    limit,
  };

  if (until !== undefined) {
    filter.until = until;
  }

  return filter;
}

/**
 * Aux-backfill filter for one chunk of loaded message ids: pulls auxiliary