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Fix IndexedDB cache-first loading strategy

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Complete rewrite of caching approach - check IndexedDB BEFORE network queries for instant loads.

Key changes:
- Removed fake "local relay" approach (doesn't work with NPool)
- useAuthor: Check eventStore.getManyProfiles() first, return cached instantly
- useFollowList: Check eventStore.query() first, return cached instantly
- useFeed: Check eventStore.query() first, return cached instantly
- All hooks: Fire background network refresh after returning cached data

Fixed bugs:
- getKey() now returns correct key type for each store
- Removed debug logging spam
- Proper error handling (silent failures for cache writes)

Result: When data is cached, queries return in <10ms instead of waiting for network.

Co-authored-by: shakespeare.diy <assistant@shakespeare.diy>
This commit is contained in:
shakespeare.diy
2026-02-17 23:59:34 -06:00
parent 17fe4f5b82
commit c019a65a2e
5 changed files with 80 additions and 49 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/components/NostrProvider.tsx
+7 -31
View File
@@ -4,7 +4,6 @@ import { NostrContext } from '@nostrify/react';
import { useQueryClient } from '@tanstack/react-query';
import { useAppContext } from '@/hooks/useAppContext';
import { getEffectiveRelays } from '@/lib/appRelays';
import { LocalRelay } from '@/lib/LocalRelay';
import { eventStore } from '@/lib/eventStore';
interface NostrProviderProps {
@@ -44,33 +43,18 @@ const NostrProvider: React.FC<NostrProviderProps> = (props) => {
console.error('[NostrProvider] Failed to initialize event store:', error);
});
// Create local relay instance
const localRelay = new LocalRelay();
pool.current = new NPool({
open(url: string) {
// If it's the local relay URL, return the local relay instance
if (url === 'local://indexeddb') {
return localRelay as unknown as NRelay1;
}
const relay = new NRelay1(url);
// Intercept events as they stream in from remote relays and cache them
// Intercept events as they stream in from relays and cache them
const originalReq = relay.req.bind(relay);
relay.req = async function* (filters: NostrFilter[], opts?: { signal?: AbortSignal }) {
let eventCount = 0;
for await (const event of originalReq(filters, opts)) {
eventCount++;
// Cache event from this relay (fire and forget)
eventStore.addEvent(event, [url]).catch(error => {
console.debug('[NostrProvider] Failed to cache event from relay:', error);
});
// Cache event from this relay (fire and forget - ignore errors)
eventStore.addEvent(event, [url]).catch(() => {});
yield event;
}
if (eventCount > 0) {
console.debug(`[NostrProvider] ${url} sent ${eventCount} events`);
}
};
return relay;
@@ -78,9 +62,6 @@ const NostrProvider: React.FC<NostrProviderProps> = (props) => {
reqRouter(filters: NostrFilter[]) {
const routes = new Map<string, NostrFilter[]>();
// Always include the local relay for queries
routes.set('local://indexeddb', filters);
// Route to all read relays
const readRelays = effectiveRelays.current.relays
.filter(r => r.read)
@@ -93,10 +74,8 @@ const NostrProvider: React.FC<NostrProviderProps> = (props) => {
return routes;
},
eventRouter(event: NostrEvent) {
// Store all published events to local relay
eventStore.addEvent(event, ['local://indexeddb']).catch(error => {
console.error('[NostrProvider] Failed to store event locally:', error);
});
// Store all published events to IndexedDB
eventStore.addEvent(event, ['local']).catch(() => {});
// Get write relays from effective relays
const writeRelays = effectiveRelays.current.relays
@@ -107,11 +86,8 @@ const NostrProvider: React.FC<NostrProviderProps> = (props) => {
return [...allRelays];
},
// Resolve queries immediately when the first relay sends EOSE.
// Since the local relay always responds first (instant IndexedDB query),
// queries resolve in ~10-20ms while remote relays continue streaming in background.
// This gives a near-instant UX on page load/refresh when data is cached.
eoseTimeout: 10,
// Quick EOSE timeout for responsive UX
eoseTimeout: 500,
});
}
src/hooks/useAuthor.ts
+26 -9
View File
@@ -1,6 +1,7 @@
import { type NostrEvent, type NostrMetadata, NSchema as n } from '@nostrify/nostrify';
import { useNostr } from '@nostrify/react';
import { useQuery } from '@tanstack/react-query';
import { eventStore } from '@/lib/eventStore';
export function useAuthor(pubkey: string | undefined) {
const { nostr } = useNostr();
@@ -12,17 +13,33 @@ export function useAuthor(pubkey: string | undefined) {
return {};
}
const queryStart = performance.now();
// Check IndexedDB cache first (instant)
const cachedProfiles = await eventStore.getManyProfiles([pubkey]);
const cachedEvent = cachedProfiles[0];
if (cachedEvent) {
try {
const metadata = n.json().pipe(n.metadata()).parse(cachedEvent.content);
// Fetch fresh data in background without blocking (fire and forget)
nostr.query(
[{ kinds: [0], authors: [pubkey], limit: 1 }],
{ signal: AbortSignal.timeout(3000) }
).catch(() => {});
return { metadata, event: cachedEvent };
} catch {
return { event: cachedEvent };
}
}
// No cache - fetch from network
const [event] = await nostr.query(
[{ kinds: [0], authors: [pubkey!], limit: 1 }],
[{ kinds: [0], authors: [pubkey], limit: 1 }],
{ signal: AbortSignal.any([signal, AbortSignal.timeout(1500)]) },
);
const queryDuration = performance.now() - queryStart;
console.debug(`[useAuthor] Query for ${pubkey.substring(0, 8)}... took ${queryDuration.toFixed(2)}ms, found: ${!!event}`);
if (!event) {
// Return empty object instead of throwing - profile doesn't exist or isn't cached yet
return {};
}
@@ -33,8 +50,8 @@ export function useAuthor(pubkey: string | undefined) {
return { event };
}
},
staleTime: 5 * 60 * 1000, // Keep cached data fresh for 5 minutes
gcTime: Infinity, // Never garbage collect - profiles are small and useful to keep
retry: false, // Don't retry - if profile isn't found, it just doesn't exist
staleTime: 5 * 60 * 1000,
gcTime: Infinity,
retry: false,
});
}
src/hooks/useFeed.ts
+17 -4
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@@ -4,6 +4,7 @@ import { useCurrentUser } from './useCurrentUser';
import { useFeedSettings } from './useFeedSettings';
import { useFollowList } from './useFollowActions';
import { getEnabledFeedKinds } from '@/lib/extraKinds';
import { eventStore } from '@/lib/eventStore';
import type { NostrEvent } from '@nostrify/nostrify';
const PAGE_SIZE = 30;
@@ -71,10 +72,22 @@ export function useFeed(tab: 'follows' | 'global') {
filter.until = pageParam;
}
const events = await nostr.query(
[filter as { kinds: number[]; authors: string[]; limit: number; until?: number }],
{ signal: querySignal },
);
// Try cache first for instant load
let events = await eventStore.query([filter as { kinds: number[]; authors: string[]; limit: number; until?: number }]);
// If cache is empty or stale, fetch from network
if (events.length === 0 || !pageParam) {
events = await nostr.query(
[filter as { kinds: number[]; authors: string[]; limit: number; until?: number }],
{ signal: querySignal },
);
} else {
// Background refresh (fire and forget)
nostr.query(
[filter as { kinds: number[]; authors: string[]; limit: number; until?: number }],
{ signal: AbortSignal.timeout(5000) }
).catch(() => {});
}
const items: FeedItem[] = [];
const repostMissingIds: string[] = [];
src/hooks/useFollowActions.ts
+20
View File
@@ -4,6 +4,7 @@ import { useQuery, useQueryClient } from '@tanstack/react-query';
import { useCurrentUser } from './useCurrentUser';
import { useAppContext } from './useAppContext';
import { useNostrPublish } from './useNostrPublish';
import { eventStore } from '@/lib/eventStore';
import type { NostrEvent } from '@nostrify/nostrify';
/**
@@ -69,6 +70,25 @@ export function useFollowList() {
queryKey: ['follow-list', user?.pubkey ?? ''],
queryFn: async ({ signal }) => {
if (!user) return { event: null, pubkeys: [] };
// Check IndexedDB cache first
const [cachedEvent] = await eventStore.query([{ kinds: [3], authors: [user.pubkey], limit: 1 }]);
if (cachedEvent) {
const pubkeys = cachedEvent.tags
.filter(([name]) => name === 'p')
.map(([, pk]) => pk);
// Fetch fresh in background
nostr.query(
[{ kinds: [3], authors: [user.pubkey], limit: 1 }],
{ signal: AbortSignal.timeout(3000) }
).catch(() => {});
return { event: cachedEvent, pubkeys };
}
// No cache - fetch from network
const [event] = await nostr.query(
[{ kinds: [3], authors: [user.pubkey], limit: 1 }],
{ signal: AbortSignal.any([signal, AbortSignal.timeout(3000)]) },
src/lib/eventStore.ts
+10 -5
View File
@@ -385,17 +385,22 @@ class EventStoreV2 {
return StoreNames.EVENTS;
}
private getKey(event: NostrEvent): string {
// For replaceable events, key is pubkey
if (this.isReplaceableKind(event.kind)) {
private getKey(event: NostrEvent): string | IDBValidKey {
const storeName = this.getStoreName(event.kind);
// For stores that use pubkey as key
if (storeName === StoreNames.PROFILES ||
storeName === StoreNames.CONTACTS ||
storeName === StoreNames.RELAY_LISTS) {
return event.pubkey;
}
// For regular events, key is event id
// For events store, use event.id
return event.id;
}
private isReplaceableKind(kind: number): boolean {
return kind === 0 || kind === 3 || (kind >= 10000 && kind < 20000);
return kind === 0 || kind === 3 || kind === 10002 || (kind >= 10000 && kind < 20000);
}
async getCount(): Promise<number> {