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fix(article): add reliable-relay fallback (nostr.band, primal, damus, nos.lol) when first parallel query returns no events

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Gigi
2025-10-22 14:03:47 +02:00
parent 5a0dd49e4e
commit ac0e5eb585
1 changed files with 22 additions and 1 deletions
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23
src/services/articleService.ts
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@@ -114,7 +114,28 @@ export async function fetchArticleByNaddr(
// Parallel local+remote, stream immediate, collect up to first from each // Parallel local+remote, stream immediate, collect up to first from each
const { local$, remote$ } = createParallelReqStreams(relayPool, localRelays, remoteRelays, filter, 1200, 6000) const { local$, remote$ } = createParallelReqStreams(relayPool, localRelays, remoteRelays, filter, 1200, 6000)
const collected = await lastValueFrom(merge(local$.pipe(take(1)), remote$.pipe(take(1))).pipe(rxToArray())) const collected = await lastValueFrom(merge(local$.pipe(take(1)), remote$.pipe(take(1))).pipe(rxToArray()))
const events = collected as NostrEvent[] let events = collected as NostrEvent[]
// Fallback: if nothing found, try a second round against a set of reliable public relays
if (events.length === 0) {
const reliableRelays = Array.from(new Set<string>([
'wss://relay.nostr.band',
'wss://relay.primal.net',
'wss://relay.damus.io',
'wss://nos.lol',
...remoteRelays // keep any configured remote relays
]))
const { remote$: fallback$ } = createParallelReqStreams(
relayPool,
[], // no local
reliableRelays,
filter,
1500,
12000
)
const fallbackCollected = await lastValueFrom(fallback$.pipe(take(1), rxToArray()))
events = fallbackCollected as NostrEvent[]
}
if (events.length === 0) { if (events.length === 0) {
throw new Error('Article not found') throw new Error('Article not found')