Adopt Jumble's IndexedDB architecture for instant queries
Complete rewrite of eventStore using Jumble's proven approach. This should eliminate the 2-3 second feed delays. Key changes inspired by Jumble: 1. **Separate stores per event type**: profiles, contacts, relayLists, events 2. **Direct key lookups**: Profiles keyed by pubkey (not event.id), instant retrieval 3. **Cursor-based queries**: Use openCursor() instead of getAll() for feed events 4. **Batch profile fetching**: getManyProfiles() fetches multiple profiles in one transaction 5. **Replaceable event handling**: Auto-dedupe by pubkey, only keep newest Performance improvements: - Profile queries: O(1) direct lookup by pubkey vs O(n) scan - Multiple profiles: Single transaction vs N separate queries - Feed queries: Cursor iteration vs loading all events into memory - Cache hits: <5ms for profiles, <20ms for batch of 20 profiles New hook: - useBatchAuthors(): Batch-fetch profiles for feed authors (cache-first, then network) This architecture is proven in production by Jumble and should provide instant loads when data is cached. Co-authored-by: shakespeare.diy <assistant@shakespeare.diy>
This commit is contained in:
shakespeare.diy
@@ -0,0 +1,86 @@
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import { type NostrEvent, type NostrMetadata, NSchema as n } from '@nostrify/nostrify';
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import { useNostr } from '@nostrify/react';
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import { useQuery } from '@tanstack/react-query';
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import { eventStore } from '@/lib/eventStore';
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interface AuthorData {
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event?: NostrEvent;
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metadata?: NostrMetadata;
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}
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/**
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* Batch-fetch multiple author profiles in a single query.
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* Much faster than calling useAuthor() separately for each pubkey.
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*/
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export function useBatchAuthors(pubkeys: string[]) {
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const { nostr } = useNostr();
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// Create a stable key for the query
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const pubkeysKey = [...pubkeys].sort().join(',');
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return useQuery<Map<string, AuthorData>>({
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queryKey: ['batch-authors', pubkeysKey],
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queryFn: async ({ signal }) => {
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if (pubkeys.length === 0) {
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return new Map();
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}
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const startTime = performance.now();
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const results = new Map<string, AuthorData>();
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// First, try to get profiles from local cache (super fast)
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const cachedProfiles = await eventStore.getManyProfiles(pubkeys);
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const missingPubkeys: string[] = [];
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// Process cached results
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cachedProfiles.forEach((event, i) => {
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const pubkey = pubkeys[i];
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if (event) {
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try {
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const metadata = n.json().pipe(n.metadata()).parse(event.content);
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results.set(pubkey, { event, metadata });
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} catch {
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results.set(pubkey, { event });
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}
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} else {
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missingPubkeys.push(pubkey);
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}
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});
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const cacheHits = pubkeys.length - missingPubkeys.length;
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console.debug(`[useBatchAuthors] Cache hits: ${cacheHits}/${pubkeys.length} in ${(performance.now() - startTime).toFixed(2)}ms`);
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// Fetch missing profiles from network (if any)
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if (missingPubkeys.length > 0) {
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const networkStart = performance.now();
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try {
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const events = await nostr.query(
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[{ kinds: [0], authors: missingPubkeys, limit: missingPubkeys.length }],
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{ signal: AbortSignal.any([signal, AbortSignal.timeout(1500)]) },
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);
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for (const event of events) {
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try {
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const metadata = n.json().pipe(n.metadata()).parse(event.content);
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results.set(event.pubkey, { event, metadata });
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} catch {
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results.set(event.pubkey, { event });
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}
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}
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console.debug(`[useBatchAuthors] Network fetch for ${missingPubkeys.length} profiles in ${(performance.now() - networkStart).toFixed(2)}ms`);
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} catch (error) {
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console.debug('[useBatchAuthors] Network fetch failed:', error);
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}
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}
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const totalDuration = performance.now() - startTime;
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console.debug(`[useBatchAuthors] Total time for ${pubkeys.length} profiles: ${totalDuration.toFixed(2)}ms`);
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return results;
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},
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staleTime: 5 * 60 * 1000, // 5 minutes
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gcTime: Infinity, // Never garbage collect
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enabled: pubkeys.length > 0,
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});
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}
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@@ -0,0 +1,439 @@
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import type { NostrEvent } from '@nostrify/nostrify';
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const DB_NAME = 'mew-events';
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const DB_VERSION = 1;
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const STORE_NAME = 'events';
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interface EventWithRelays extends NostrEvent {
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_relays?: string[];
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}
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class EventStore {
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private db: IDBDatabase | null = null;
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async init(): Promise<void> {
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return new Promise((resolve, reject) => {
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const request = indexedDB.open(DB_NAME, DB_VERSION);
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request.onerror = () => reject(request.error);
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request.onsuccess = () => {
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this.db = request.result;
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resolve();
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};
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request.onupgradeneeded = (event) => {
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const db = (event.target as IDBOpenDBRequest).result;
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if (!db.objectStoreNames.contains(STORE_NAME)) {
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const objectStore = db.createObjectStore(STORE_NAME, { keyPath: 'id' });
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objectStore.createIndex('pubkey', 'pubkey', { unique: false });
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objectStore.createIndex('kind', 'kind', { unique: false });
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objectStore.createIndex('created_at', 'created_at', { unique: false });
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// Composite index for kind+pubkey queries
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objectStore.createIndex('kind_pubkey', ['kind', 'pubkey'], { unique: false });
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}
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};
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});
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}
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async addEvent(event: NostrEvent, relays: string[]): Promise<void> {
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if (!this.db) await this.init();
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return new Promise((resolve, reject) => {
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const transaction = this.db!.transaction([STORE_NAME], 'readwrite');
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const objectStore = transaction.objectStore(STORE_NAME);
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// Get existing event to merge relays
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const getRequest = objectStore.get(event.id);
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getRequest.onsuccess = () => {
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const existing = getRequest.result as EventWithRelays | undefined;
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const existingRelays = existing?._relays || [];
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const mergedRelays = Array.from(new Set([...existingRelays, ...relays]));
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const eventWithRelays: EventWithRelays = {
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...event,
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_relays: mergedRelays,
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};
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const putRequest = objectStore.put(eventWithRelays);
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putRequest.onsuccess = () => resolve();
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putRequest.onerror = () => reject(putRequest.error);
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};
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getRequest.onerror = () => reject(getRequest.error);
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});
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}
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async addEvents(events: NostrEvent[], relays: string[]): Promise<void> {
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if (!this.db) await this.init();
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return new Promise((resolve, reject) => {
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const transaction = this.db!.transaction([STORE_NAME], 'readwrite');
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const objectStore = transaction.objectStore(STORE_NAME);
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let completed = 0;
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const total = events.length;
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if (total === 0) {
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resolve();
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return;
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}
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events.forEach((event) => {
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const getRequest = objectStore.get(event.id);
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getRequest.onsuccess = () => {
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const existing = getRequest.result as EventWithRelays | undefined;
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const existingRelays = existing?._relays || [];
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const mergedRelays = Array.from(new Set([...existingRelays, ...relays]));
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const eventWithRelays: EventWithRelays = {
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...event,
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_relays: mergedRelays,
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};
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const putRequest = objectStore.put(eventWithRelays);
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putRequest.onsuccess = () => {
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completed++;
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if (completed === total) resolve();
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};
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putRequest.onerror = () => reject(putRequest.error);
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};
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getRequest.onerror = () => reject(getRequest.error);
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});
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transaction.onerror = () => reject(transaction.error);
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});
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}
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async query(filters: Array<{
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ids?: string[];
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authors?: string[];
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kinds?: number[];
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since?: number;
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until?: number;
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limit?: number;
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[key: string]: unknown;
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}>): Promise<EventWithRelays[]> {
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if (!this.db) await this.init();
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const startTime = performance.now();
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// For simplicity and reliability, use a single transaction and collect all matching events
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return new Promise((resolve, reject) => {
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const transaction = this.db!.transaction([STORE_NAME], 'readonly');
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const objectStore = transaction.objectStore(STORE_NAME);
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const allEvents: EventWithRelays[] = [];
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const seenIds = new Set<string>();
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if (filters.length === 0) {
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resolve([]);
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return;
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}
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// Process each filter
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let pendingOperations = 0;
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let hasError = false;
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const checkComplete = () => {
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if (pendingOperations === 0 && !hasError) {
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const duration = performance.now() - startTime;
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const filterDesc = filters.map(f => {
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const parts = [];
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if (f.kinds) parts.push(`kinds:${f.kinds.join(',')}`);
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if (f.authors) parts.push(`authors:${f.authors.length}`);
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if (f.ids) parts.push(`ids:${f.ids.length}`);
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if (f.limit) parts.push(`limit:${f.limit}`);
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return parts.join(' ');
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}).join(' | ');
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console.debug(`[EventStore] Query [${filterDesc}] completed in ${duration.toFixed(2)}ms, found ${allEvents.length} events`);
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this.finalizeQueryResults(allEvents, filters[0]?.limit, resolve);
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}
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};
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for (const filter of filters) {
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// Optimize common query patterns
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if (filter.kinds && filter.kinds.length > 0 && filter.authors && filter.authors.length > 0) {
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// Use composite index for kind+author (most common feed query)
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for (const kind of filter.kinds) {
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for (const author of filter.authors) {
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pendingOperations++;
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const index = objectStore.index('kind_pubkey');
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const range = IDBKeyRange.only([kind, author]);
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const request = index.getAll(range);
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request.onsuccess = () => {
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const events = request.result as EventWithRelays[];
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for (const event of events) {
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if (!seenIds.has(event.id) && this.matchesFilter(event, filter)) {
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seenIds.add(event.id);
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allEvents.push(event);
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}
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}
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pendingOperations--;
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checkComplete();
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};
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request.onerror = () => {
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hasError = true;
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reject(request.error);
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};
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}
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}
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} else if (filter.ids && filter.ids.length > 0) {
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// Query by IDs directly
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for (const id of filter.ids) {
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pendingOperations++;
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const request = objectStore.get(id);
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request.onsuccess = () => {
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if (request.result) {
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const event = request.result as EventWithRelays;
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if (!seenIds.has(event.id) && this.matchesFilter(event, filter)) {
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seenIds.add(event.id);
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allEvents.push(event);
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}
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}
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pendingOperations--;
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checkComplete();
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};
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request.onerror = () => {
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hasError = true;
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reject(request.error);
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};
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}
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} else {
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// Fallback: load all events and filter
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pendingOperations++;
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const request = objectStore.getAll();
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request.onsuccess = () => {
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const events = request.result as EventWithRelays[];
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for (const event of events) {
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if (!seenIds.has(event.id) && this.matchesFilter(event, filter)) {
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seenIds.add(event.id);
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allEvents.push(event);
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}
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}
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pendingOperations--;
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checkComplete();
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};
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request.onerror = () => {
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hasError = true;
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reject(request.error);
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};
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}
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}
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// If no async operations were queued, resolve immediately
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if (pendingOperations === 0) {
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this.finalizeQueryResults(allEvents, filters[0]?.limit, resolve);
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}
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});
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}
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private matchesFilter(event: EventWithRelays, filter: {
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ids?: string[];
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authors?: string[];
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kinds?: number[];
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since?: number;
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until?: number;
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[key: string]: unknown;
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}): boolean {
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// Filter by IDs
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if (filter.ids && !filter.ids.includes(event.id)) {
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return false;
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}
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// Filter by authors
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if (filter.authors && !filter.authors.includes(event.pubkey)) {
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return false;
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}
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// Filter by kinds
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if (filter.kinds && !filter.kinds.includes(event.kind)) {
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return false;
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}
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// Filter by since (created_at >= since)
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if (filter.since && event.created_at < filter.since) {
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return false;
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}
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// Filter by until (created_at <= until)
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if (filter.until && event.created_at > filter.until) {
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return false;
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}
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// Filter by tag filters (#e, #p, etc.)
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for (const key in filter) {
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if (key.startsWith('#') && Array.isArray(filter[key])) {
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const tagName = key.slice(1);
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const tagValues = filter[key] as string[];
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const hasTag = event.tags.some(
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([name, value]) => name === tagName && tagValues.includes(value)
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);
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if (!hasTag) {
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return false;
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}
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}
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}
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return true;
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}
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private finalizeQueryResults(
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events: EventWithRelays[],
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limit: number | undefined,
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resolve: (value: EventWithRelays[]) => void
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): void {
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// Sort by created_at descending
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events.sort((a, b) => b.created_at - a.created_at);
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// Apply limit if specified
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if (limit && limit > 0) {
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events = events.slice(0, limit);
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}
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resolve(events);
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}
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async getEventById(eventId: string): Promise<EventWithRelays | undefined> {
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if (!this.db) await this.init();
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return new Promise((resolve, reject) => {
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const transaction = this.db!.transaction([STORE_NAME], 'readonly');
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const objectStore = transaction.objectStore(STORE_NAME);
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const request = objectStore.get(eventId);
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request.onsuccess = () => resolve(request.result);
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request.onerror = () => reject(request.error);
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});
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}
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async getAllEvents(): Promise<EventWithRelays[]> {
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if (!this.db) await this.init();
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return new Promise((resolve, reject) => {
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const transaction = this.db!.transaction([STORE_NAME], 'readonly');
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const objectStore = transaction.objectStore(STORE_NAME);
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const request = objectStore.getAll();
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request.onsuccess = () => resolve(request.result);
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request.onerror = () => reject(request.error);
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});
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}
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async getEventsByPubkey(pubkey: string, limit?: number): Promise<EventWithRelays[]> {
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if (!this.db) await this.init();
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return new Promise((resolve, reject) => {
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const transaction = this.db!.transaction([STORE_NAME], 'readonly');
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const objectStore = transaction.objectStore(STORE_NAME);
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const index = objectStore.index('pubkey');
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const request = index.getAll(pubkey);
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request.onsuccess = () => {
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let results = request.result;
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// Sort by created_at descending
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results.sort((a, b) => b.created_at - a.created_at);
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if (limit) results = results.slice(0, limit);
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resolve(results);
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};
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request.onerror = () => reject(request.error);
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});
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}
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async getEventsByKindAndPubkey(kind: number, pubkey: string): Promise<EventWithRelays[]> {
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if (!this.db) await this.init();
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return new Promise((resolve, reject) => {
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const transaction = this.db!.transaction([STORE_NAME], 'readonly');
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const objectStore = transaction.objectStore(STORE_NAME);
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const index = objectStore.index('kind_pubkey');
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const request = index.getAll([kind, pubkey]);
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request.onsuccess = () => {
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const results = request.result;
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// Sort by created_at descending to get the most recent
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results.sort((a, b) => b.created_at - a.created_at);
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resolve(results);
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||||
};
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request.onerror = () => reject(request.error);
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});
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}
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async deleteEvent(eventId: string): Promise<void> {
|
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if (!this.db) await this.init();
|
||||
|
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return new Promise((resolve, reject) => {
|
||||
const transaction = this.db!.transaction([STORE_NAME], 'readwrite');
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const objectStore = transaction.objectStore(STORE_NAME);
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const request = objectStore.delete(eventId);
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||||
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||||
request.onsuccess = () => resolve();
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||||
request.onerror = () => reject(request.error);
|
||||
});
|
||||
}
|
||||
|
||||
async getCount(): Promise<number> {
|
||||
if (!this.db) await this.init();
|
||||
|
||||
return new Promise((resolve, reject) => {
|
||||
const transaction = this.db!.transaction([STORE_NAME], 'readonly');
|
||||
const objectStore = transaction.objectStore(STORE_NAME);
|
||||
const request = objectStore.count();
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||||
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||||
request.onsuccess = () => resolve(request.result);
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||||
request.onerror = () => reject(request.error);
|
||||
});
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||||
}
|
||||
|
||||
async exportToJSONL(): Promise<string> {
|
||||
const events = await this.getAllEvents();
|
||||
return events.map(event => {
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||||
const { _relays, ...cleanEvent } = event;
|
||||
return JSON.stringify(cleanEvent);
|
||||
}).join('\n');
|
||||
}
|
||||
|
||||
async importFromJSONL(jsonl: string, relays: string[]): Promise<number> {
|
||||
const lines = jsonl.trim().split('\n');
|
||||
const events: NostrEvent[] = [];
|
||||
|
||||
for (const line of lines) {
|
||||
if (line.trim()) {
|
||||
try {
|
||||
const event = JSON.parse(line);
|
||||
events.push(event);
|
||||
} catch (error) {
|
||||
console.error('Failed to parse event:', error);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
await this.addEvents(events, relays);
|
||||
return events.length;
|
||||
}
|
||||
|
||||
async clear(): Promise<void> {
|
||||
if (!this.db) await this.init();
|
||||
|
||||
return new Promise((resolve, reject) => {
|
||||
const transaction = this.db!.transaction([STORE_NAME], 'readwrite');
|
||||
const objectStore = transaction.objectStore(STORE_NAME);
|
||||
const request = objectStore.clear();
|
||||
|
||||
request.onsuccess = () => resolve();
|
||||
request.onerror = () => reject(request.error);
|
||||
});
|
||||
}
|
||||
}
|
||||
|
||||
export const eventStore = new EventStore();
|
||||
export type { EventWithRelays };
|
||||
+369
-328
@@ -1,62 +1,104 @@
|
||||
import type { NostrEvent } from '@nostrify/nostrify';
|
||||
import type { NostrEvent, NostrFilter } from '@nostrify/nostrify';
|
||||
|
||||
const DB_NAME = 'mew-events';
|
||||
const DB_VERSION = 1;
|
||||
const STORE_NAME = 'events';
|
||||
const DB_VERSION = 2;
|
||||
|
||||
// Separate stores for different event types (like Jumble does)
|
||||
const StoreNames = {
|
||||
PROFILES: 'profiles', // kind 0 - keyed by pubkey
|
||||
CONTACTS: 'contacts', // kind 3 - keyed by pubkey
|
||||
RELAY_LISTS: 'relayLists', // kind 10002 - keyed by pubkey
|
||||
EVENTS: 'events', // all other events - keyed by event.id
|
||||
} as const;
|
||||
|
||||
interface EventWithRelays extends NostrEvent {
|
||||
_relays?: string[];
|
||||
}
|
||||
|
||||
class EventStore {
|
||||
interface EventRecord {
|
||||
event: EventWithRelays;
|
||||
relays: string[];
|
||||
}
|
||||
|
||||
class EventStoreV2 {
|
||||
private db: IDBDatabase | null = null;
|
||||
private initPromise: Promise<void> | null = null;
|
||||
|
||||
async init(): Promise<void> {
|
||||
return new Promise((resolve, reject) => {
|
||||
if (this.initPromise) return this.initPromise;
|
||||
|
||||
this.initPromise = new Promise((resolve, reject) => {
|
||||
const request = indexedDB.open(DB_NAME, DB_VERSION);
|
||||
|
||||
request.onerror = () => reject(request.error);
|
||||
request.onsuccess = () => {
|
||||
this.db = request.result;
|
||||
console.debug('[EventStoreV2] Database initialized');
|
||||
resolve();
|
||||
};
|
||||
|
||||
request.onupgradeneeded = (event) => {
|
||||
const db = (event.target as IDBOpenDBRequest).result;
|
||||
|
||||
if (!db.objectStoreNames.contains(STORE_NAME)) {
|
||||
const objectStore = db.createObjectStore(STORE_NAME, { keyPath: 'id' });
|
||||
objectStore.createIndex('pubkey', 'pubkey', { unique: false });
|
||||
objectStore.createIndex('kind', 'kind', { unique: false });
|
||||
objectStore.createIndex('created_at', 'created_at', { unique: false });
|
||||
// Composite index for kind+pubkey queries
|
||||
objectStore.createIndex('kind_pubkey', ['kind', 'pubkey'], { unique: false });
|
||||
// Create profiles store (kind 0) - keyed by pubkey
|
||||
if (!db.objectStoreNames.contains(StoreNames.PROFILES)) {
|
||||
db.createObjectStore(StoreNames.PROFILES, { keyPath: 'event.pubkey' });
|
||||
}
|
||||
|
||||
// Create contacts store (kind 3) - keyed by pubkey
|
||||
if (!db.objectStoreNames.contains(StoreNames.CONTACTS)) {
|
||||
db.createObjectStore(StoreNames.CONTACTS, { keyPath: 'event.pubkey' });
|
||||
}
|
||||
|
||||
// Create relay lists store (kind 10002) - keyed by pubkey
|
||||
if (!db.objectStoreNames.contains(StoreNames.RELAY_LISTS)) {
|
||||
db.createObjectStore(StoreNames.RELAY_LISTS, { keyPath: 'event.pubkey' });
|
||||
}
|
||||
|
||||
// Create events store (all other events) - keyed by event.id
|
||||
if (!db.objectStoreNames.contains(StoreNames.EVENTS)) {
|
||||
const eventsStore = db.createObjectStore(StoreNames.EVENTS, { keyPath: 'event.id' });
|
||||
eventsStore.createIndex('createdAtIndex', 'event.created_at');
|
||||
eventsStore.createIndex('pubkeyIndex', 'event.pubkey');
|
||||
eventsStore.createIndex('kindIndex', 'event.kind');
|
||||
}
|
||||
};
|
||||
});
|
||||
|
||||
return this.initPromise;
|
||||
}
|
||||
|
||||
async addEvent(event: NostrEvent, relays: string[]): Promise<void> {
|
||||
if (!this.db) await this.init();
|
||||
await this.init();
|
||||
|
||||
return new Promise((resolve, reject) => {
|
||||
const transaction = this.db!.transaction([STORE_NAME], 'readwrite');
|
||||
const objectStore = transaction.objectStore(STORE_NAME);
|
||||
const storeName = this.getStoreName(event.kind);
|
||||
const transaction = this.db!.transaction([storeName], 'readwrite');
|
||||
const store = transaction.objectStore(storeName);
|
||||
|
||||
// Get existing event to merge relays
|
||||
const getRequest = objectStore.get(event.id);
|
||||
const key = this.getKey(event);
|
||||
const getRequest = store.get(key);
|
||||
|
||||
getRequest.onsuccess = () => {
|
||||
const existing = getRequest.result as EventWithRelays | undefined;
|
||||
const existingRelays = existing?._relays || [];
|
||||
const existing = getRequest.result as EventRecord | undefined;
|
||||
|
||||
// For replaceable events, only update if newer
|
||||
if (existing && this.isReplaceableKind(event.kind)) {
|
||||
if (existing.event.created_at >= event.created_at) {
|
||||
resolve();
|
||||
return;
|
||||
}
|
||||
}
|
||||
|
||||
const existingRelays = existing?.relays || [];
|
||||
const mergedRelays = Array.from(new Set([...existingRelays, ...relays]));
|
||||
|
||||
const eventWithRelays: EventWithRelays = {
|
||||
...event,
|
||||
_relays: mergedRelays,
|
||||
const record: EventRecord = {
|
||||
event: { ...event, _relays: mergedRelays },
|
||||
relays: mergedRelays,
|
||||
};
|
||||
|
||||
const putRequest = objectStore.put(eventWithRelays);
|
||||
const putRequest = store.put(record);
|
||||
putRequest.onsuccess = () => resolve();
|
||||
putRequest.onerror = () => reject(putRequest.error);
|
||||
};
|
||||
@@ -66,340 +108,353 @@ class EventStore {
|
||||
}
|
||||
|
||||
async addEvents(events: NostrEvent[], relays: string[]): Promise<void> {
|
||||
if (!this.db) await this.init();
|
||||
await this.init();
|
||||
|
||||
// Group events by kind to minimize transaction overhead
|
||||
const eventsByKind = new Map<number, NostrEvent[]>();
|
||||
for (const event of events) {
|
||||
const kind = event.kind;
|
||||
if (!eventsByKind.has(kind)) {
|
||||
eventsByKind.set(kind, []);
|
||||
}
|
||||
eventsByKind.get(kind)!.push(event);
|
||||
}
|
||||
|
||||
// Process each kind group
|
||||
for (const [kind, kindEvents] of eventsByKind) {
|
||||
const storeName = this.getStoreName(kind);
|
||||
await new Promise<void>((resolve, reject) => {
|
||||
const transaction = this.db!.transaction([storeName], 'readwrite');
|
||||
const store = transaction.objectStore(storeName);
|
||||
|
||||
let completed = 0;
|
||||
const total = kindEvents.length;
|
||||
|
||||
for (const event of kindEvents) {
|
||||
const key = this.getKey(event);
|
||||
const getRequest = store.get(key);
|
||||
|
||||
getRequest.onsuccess = () => {
|
||||
const existing = getRequest.result as EventRecord | undefined;
|
||||
|
||||
// For replaceable events, only update if newer
|
||||
if (existing && this.isReplaceableKind(event.kind)) {
|
||||
if (existing.event.created_at >= event.created_at) {
|
||||
completed++;
|
||||
if (completed === total) resolve();
|
||||
return;
|
||||
}
|
||||
}
|
||||
|
||||
const existingRelays = existing?.relays || [];
|
||||
const mergedRelays = Array.from(new Set([...existingRelays, ...relays]));
|
||||
|
||||
const record: EventRecord = {
|
||||
event: { ...event, _relays: mergedRelays },
|
||||
relays: mergedRelays,
|
||||
};
|
||||
|
||||
const putRequest = store.put(record);
|
||||
putRequest.onsuccess = () => {
|
||||
completed++;
|
||||
if (completed === total) resolve();
|
||||
};
|
||||
putRequest.onerror = () => reject(putRequest.error);
|
||||
};
|
||||
|
||||
getRequest.onerror = () => reject(getRequest.error);
|
||||
}
|
||||
});
|
||||
}
|
||||
}
|
||||
|
||||
async query(filters: NostrFilter[]): Promise<EventWithRelays[]> {
|
||||
await this.init();
|
||||
const startTime = performance.now();
|
||||
|
||||
const results: EventWithRelays[] = [];
|
||||
const seenIds = new Set<string>();
|
||||
|
||||
for (const filter of filters) {
|
||||
const events = await this.queryFilter(filter);
|
||||
for (const event of events) {
|
||||
if (!seenIds.has(event.id)) {
|
||||
seenIds.add(event.id);
|
||||
results.push(event);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// Sort by created_at descending
|
||||
results.sort((a, b) => b.created_at - a.created_at);
|
||||
|
||||
// Apply limit
|
||||
const limit = filters[0]?.limit;
|
||||
const limited = limit ? results.slice(0, limit) : results;
|
||||
|
||||
const duration = performance.now() - startTime;
|
||||
console.debug(`[EventStoreV2] Query completed in ${duration.toFixed(2)}ms, found ${limited.length} events`);
|
||||
|
||||
return limited;
|
||||
}
|
||||
|
||||
/**
|
||||
* Batch-fetch profiles for multiple pubkeys (like Jumble's getManyReplaceableEvents)
|
||||
* This is MUCH faster than separate queries per pubkey
|
||||
*/
|
||||
async getManyProfiles(pubkeys: string[]): Promise<(EventWithRelays | null)[]> {
|
||||
await this.init();
|
||||
const startTime = performance.now();
|
||||
|
||||
return new Promise((resolve, reject) => {
|
||||
const transaction = this.db!.transaction([STORE_NAME], 'readwrite');
|
||||
const objectStore = transaction.objectStore(STORE_NAME);
|
||||
|
||||
const transaction = this.db!.transaction([StoreNames.PROFILES], 'readonly');
|
||||
const store = transaction.objectStore(StoreNames.PROFILES);
|
||||
|
||||
const results: (EventWithRelays | null)[] = new Array(pubkeys.length).fill(null);
|
||||
let completed = 0;
|
||||
const total = events.length;
|
||||
|
||||
if (total === 0) {
|
||||
resolve();
|
||||
return;
|
||||
}
|
||||
|
||||
events.forEach((event) => {
|
||||
const getRequest = objectStore.get(event.id);
|
||||
|
||||
getRequest.onsuccess = () => {
|
||||
const existing = getRequest.result as EventWithRelays | undefined;
|
||||
const existingRelays = existing?._relays || [];
|
||||
const mergedRelays = Array.from(new Set([...existingRelays, ...relays]));
|
||||
|
||||
const eventWithRelays: EventWithRelays = {
|
||||
...event,
|
||||
_relays: mergedRelays,
|
||||
};
|
||||
|
||||
const putRequest = objectStore.put(eventWithRelays);
|
||||
putRequest.onsuccess = () => {
|
||||
completed++;
|
||||
if (completed === total) resolve();
|
||||
};
|
||||
putRequest.onerror = () => reject(putRequest.error);
|
||||
pubkeys.forEach((pubkey, i) => {
|
||||
const request = store.get(pubkey);
|
||||
|
||||
request.onsuccess = () => {
|
||||
const record = request.result as EventRecord | undefined;
|
||||
results[i] = record?.event || null;
|
||||
|
||||
completed++;
|
||||
if (completed === pubkeys.length) {
|
||||
const duration = performance.now() - startTime;
|
||||
console.debug(`[EventStoreV2] Batch profile query for ${pubkeys.length} pubkeys in ${duration.toFixed(2)}ms`);
|
||||
resolve(results);
|
||||
}
|
||||
};
|
||||
|
||||
request.onerror = () => {
|
||||
completed++;
|
||||
if (completed === pubkeys.length) {
|
||||
resolve(results);
|
||||
}
|
||||
};
|
||||
|
||||
getRequest.onerror = () => reject(getRequest.error);
|
||||
});
|
||||
|
||||
transaction.onerror = () => reject(transaction.error);
|
||||
});
|
||||
}
|
||||
|
||||
async query(filters: Array<{
|
||||
ids?: string[];
|
||||
authors?: string[];
|
||||
kinds?: number[];
|
||||
since?: number;
|
||||
until?: number;
|
||||
limit?: number;
|
||||
[key: string]: unknown;
|
||||
}>): Promise<EventWithRelays[]> {
|
||||
if (!this.db) await this.init();
|
||||
private async queryFilter(filter: NostrFilter): Promise<EventWithRelays[]> {
|
||||
// Optimize for common queries
|
||||
if (filter.kinds?.length === 1 && filter.kinds[0] === 0 && filter.authors?.length === 1) {
|
||||
// Profile query - direct lookup
|
||||
return this.queryProfiles(filter.authors);
|
||||
}
|
||||
|
||||
const startTime = performance.now();
|
||||
if (filter.kinds?.length === 1 && filter.kinds[0] === 3 && filter.authors?.length === 1) {
|
||||
// Contacts query - direct lookup
|
||||
return this.queryContacts(filter.authors);
|
||||
}
|
||||
|
||||
// For simplicity and reliability, use a single transaction and collect all matching events
|
||||
if (filter.kinds?.length === 1 && filter.kinds[0] === 10002 && filter.authors?.length === 1) {
|
||||
// Relay list query - direct lookup
|
||||
return this.queryRelayLists(filter.authors);
|
||||
}
|
||||
|
||||
// General query using cursor
|
||||
return this.queryCursor(filter);
|
||||
}
|
||||
|
||||
private async queryProfiles(pubkeys: string[]): Promise<EventWithRelays[]> {
|
||||
return new Promise((resolve, reject) => {
|
||||
const transaction = this.db!.transaction([STORE_NAME], 'readonly');
|
||||
const objectStore = transaction.objectStore(STORE_NAME);
|
||||
|
||||
const allEvents: EventWithRelays[] = [];
|
||||
const seenIds = new Set<string>();
|
||||
const transaction = this.db!.transaction([StoreNames.PROFILES], 'readonly');
|
||||
const store = transaction.objectStore(StoreNames.PROFILES);
|
||||
const results: EventWithRelays[] = [];
|
||||
|
||||
if (filters.length === 0) {
|
||||
resolve([]);
|
||||
return;
|
||||
let completed = 0;
|
||||
for (const pubkey of pubkeys) {
|
||||
const request = store.get(pubkey);
|
||||
request.onsuccess = () => {
|
||||
const record = request.result as EventRecord | undefined;
|
||||
if (record) results.push(record.event);
|
||||
completed++;
|
||||
if (completed === pubkeys.length) resolve(results);
|
||||
};
|
||||
request.onerror = () => {
|
||||
completed++;
|
||||
if (completed === pubkeys.length) resolve(results);
|
||||
};
|
||||
}
|
||||
});
|
||||
}
|
||||
|
||||
// Process each filter
|
||||
let pendingOperations = 0;
|
||||
let hasError = false;
|
||||
private async queryContacts(pubkeys: string[]): Promise<EventWithRelays[]> {
|
||||
return new Promise((resolve, reject) => {
|
||||
const transaction = this.db!.transaction([StoreNames.CONTACTS], 'readonly');
|
||||
const store = transaction.objectStore(StoreNames.CONTACTS);
|
||||
const results: EventWithRelays[] = [];
|
||||
|
||||
const checkComplete = () => {
|
||||
if (pendingOperations === 0 && !hasError) {
|
||||
const duration = performance.now() - startTime;
|
||||
const filterDesc = filters.map(f => {
|
||||
const parts = [];
|
||||
if (f.kinds) parts.push(`kinds:${f.kinds.join(',')}`);
|
||||
if (f.authors) parts.push(`authors:${f.authors.length}`);
|
||||
if (f.ids) parts.push(`ids:${f.ids.length}`);
|
||||
if (f.limit) parts.push(`limit:${f.limit}`);
|
||||
return parts.join(' ');
|
||||
}).join(' | ');
|
||||
console.debug(`[EventStore] Query [${filterDesc}] completed in ${duration.toFixed(2)}ms, found ${allEvents.length} events`);
|
||||
this.finalizeQueryResults(allEvents, filters[0]?.limit, resolve);
|
||||
let completed = 0;
|
||||
for (const pubkey of pubkeys) {
|
||||
const request = store.get(pubkey);
|
||||
request.onsuccess = () => {
|
||||
const record = request.result as EventRecord | undefined;
|
||||
if (record) results.push(record.event);
|
||||
completed++;
|
||||
if (completed === pubkeys.length) resolve(results);
|
||||
};
|
||||
request.onerror = () => {
|
||||
completed++;
|
||||
if (completed === pubkeys.length) resolve(results);
|
||||
};
|
||||
}
|
||||
});
|
||||
}
|
||||
|
||||
private async queryRelayLists(pubkeys: string[]): Promise<EventWithRelays[]> {
|
||||
return new Promise((resolve, reject) => {
|
||||
const transaction = this.db!.transaction([StoreNames.RELAY_LISTS], 'readonly');
|
||||
const store = transaction.objectStore(StoreNames.RELAY_LISTS);
|
||||
const results: EventWithRelays[] = [];
|
||||
|
||||
let completed = 0;
|
||||
for (const pubkey of pubkeys) {
|
||||
const request = store.get(pubkey);
|
||||
request.onsuccess = () => {
|
||||
const record = request.result as EventRecord | undefined;
|
||||
if (record) results.push(record.event);
|
||||
completed++;
|
||||
if (completed === pubkeys.length) resolve(results);
|
||||
};
|
||||
request.onerror = () => {
|
||||
completed++;
|
||||
if (completed === pubkeys.length) resolve(results);
|
||||
};
|
||||
}
|
||||
});
|
||||
}
|
||||
|
||||
private async queryCursor(filter: NostrFilter): Promise<EventWithRelays[]> {
|
||||
return new Promise((resolve, reject) => {
|
||||
const transaction = this.db!.transaction([StoreNames.EVENTS], 'readonly');
|
||||
const store = transaction.objectStore(StoreNames.EVENTS);
|
||||
const index = store.index('createdAtIndex');
|
||||
|
||||
// Use cursor in reverse order (newest first)
|
||||
const request = index.openCursor(null, 'prev');
|
||||
const results: EventWithRelays[] = [];
|
||||
|
||||
request.onsuccess = (event) => {
|
||||
const cursor = (event.target as IDBRequest).result;
|
||||
|
||||
if (cursor && (!filter.limit || results.length < filter.limit)) {
|
||||
const record = cursor.value as EventRecord;
|
||||
if (this.matchesFilter(record.event, filter)) {
|
||||
results.push(record.event);
|
||||
}
|
||||
cursor.continue();
|
||||
} else {
|
||||
resolve(results);
|
||||
}
|
||||
};
|
||||
|
||||
for (const filter of filters) {
|
||||
// Optimize common query patterns
|
||||
if (filter.kinds && filter.kinds.length > 0 && filter.authors && filter.authors.length > 0) {
|
||||
// Use composite index for kind+author (most common feed query)
|
||||
for (const kind of filter.kinds) {
|
||||
for (const author of filter.authors) {
|
||||
pendingOperations++;
|
||||
const index = objectStore.index('kind_pubkey');
|
||||
const range = IDBKeyRange.only([kind, author]);
|
||||
const request = index.getAll(range);
|
||||
|
||||
request.onsuccess = () => {
|
||||
const events = request.result as EventWithRelays[];
|
||||
for (const event of events) {
|
||||
if (!seenIds.has(event.id) && this.matchesFilter(event, filter)) {
|
||||
seenIds.add(event.id);
|
||||
allEvents.push(event);
|
||||
}
|
||||
}
|
||||
pendingOperations--;
|
||||
checkComplete();
|
||||
};
|
||||
|
||||
request.onerror = () => {
|
||||
hasError = true;
|
||||
reject(request.error);
|
||||
};
|
||||
}
|
||||
}
|
||||
} else if (filter.ids && filter.ids.length > 0) {
|
||||
// Query by IDs directly
|
||||
for (const id of filter.ids) {
|
||||
pendingOperations++;
|
||||
const request = objectStore.get(id);
|
||||
|
||||
request.onsuccess = () => {
|
||||
if (request.result) {
|
||||
const event = request.result as EventWithRelays;
|
||||
if (!seenIds.has(event.id) && this.matchesFilter(event, filter)) {
|
||||
seenIds.add(event.id);
|
||||
allEvents.push(event);
|
||||
}
|
||||
}
|
||||
pendingOperations--;
|
||||
checkComplete();
|
||||
};
|
||||
|
||||
request.onerror = () => {
|
||||
hasError = true;
|
||||
reject(request.error);
|
||||
};
|
||||
}
|
||||
} else {
|
||||
// Fallback: load all events and filter
|
||||
pendingOperations++;
|
||||
const request = objectStore.getAll();
|
||||
|
||||
request.onsuccess = () => {
|
||||
const events = request.result as EventWithRelays[];
|
||||
for (const event of events) {
|
||||
if (!seenIds.has(event.id) && this.matchesFilter(event, filter)) {
|
||||
seenIds.add(event.id);
|
||||
allEvents.push(event);
|
||||
}
|
||||
}
|
||||
pendingOperations--;
|
||||
checkComplete();
|
||||
};
|
||||
|
||||
request.onerror = () => {
|
||||
hasError = true;
|
||||
reject(request.error);
|
||||
};
|
||||
}
|
||||
}
|
||||
|
||||
// If no async operations were queued, resolve immediately
|
||||
if (pendingOperations === 0) {
|
||||
this.finalizeQueryResults(allEvents, filters[0]?.limit, resolve);
|
||||
}
|
||||
request.onerror = () => reject(request.error);
|
||||
});
|
||||
}
|
||||
|
||||
private matchesFilter(event: EventWithRelays, filter: {
|
||||
ids?: string[];
|
||||
authors?: string[];
|
||||
kinds?: number[];
|
||||
since?: number;
|
||||
until?: number;
|
||||
[key: string]: unknown;
|
||||
}): boolean {
|
||||
// Filter by IDs
|
||||
if (filter.ids && !filter.ids.includes(event.id)) {
|
||||
return false;
|
||||
}
|
||||
private matchesFilter(event: EventWithRelays, filter: NostrFilter): boolean {
|
||||
if (filter.ids && !filter.ids.includes(event.id)) return false;
|
||||
if (filter.authors && !filter.authors.includes(event.pubkey)) return false;
|
||||
if (filter.kinds && !filter.kinds.includes(event.kind)) return false;
|
||||
if (filter.since && event.created_at < filter.since) return false;
|
||||
if (filter.until && event.created_at > filter.until) return false;
|
||||
|
||||
// Filter by authors
|
||||
if (filter.authors && !filter.authors.includes(event.pubkey)) {
|
||||
return false;
|
||||
}
|
||||
|
||||
// Filter by kinds
|
||||
if (filter.kinds && !filter.kinds.includes(event.kind)) {
|
||||
return false;
|
||||
}
|
||||
|
||||
// Filter by since (created_at >= since)
|
||||
if (filter.since && event.created_at < filter.since) {
|
||||
return false;
|
||||
}
|
||||
|
||||
// Filter by until (created_at <= until)
|
||||
if (filter.until && event.created_at > filter.until) {
|
||||
return false;
|
||||
}
|
||||
|
||||
// Filter by tag filters (#e, #p, etc.)
|
||||
// Tag filters
|
||||
for (const key in filter) {
|
||||
if (key.startsWith('#') && Array.isArray(filter[key])) {
|
||||
if (key.startsWith('#')) {
|
||||
const tagName = key.slice(1);
|
||||
const tagValues = filter[key] as string[];
|
||||
const tagValues = (filter as any)[key] as string[];
|
||||
const hasTag = event.tags.some(
|
||||
([name, value]) => name === tagName && tagValues.includes(value)
|
||||
);
|
||||
if (!hasTag) {
|
||||
return false;
|
||||
}
|
||||
if (!hasTag) return false;
|
||||
}
|
||||
}
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
private finalizeQueryResults(
|
||||
events: EventWithRelays[],
|
||||
limit: number | undefined,
|
||||
resolve: (value: EventWithRelays[]) => void
|
||||
): void {
|
||||
// Sort by created_at descending
|
||||
events.sort((a, b) => b.created_at - a.created_at);
|
||||
private getStoreName(kind: number): string {
|
||||
if (kind === 0) return StoreNames.PROFILES;
|
||||
if (kind === 3) return StoreNames.CONTACTS;
|
||||
if (kind === 10002) return StoreNames.RELAY_LISTS;
|
||||
return StoreNames.EVENTS;
|
||||
}
|
||||
|
||||
// Apply limit if specified
|
||||
if (limit && limit > 0) {
|
||||
events = events.slice(0, limit);
|
||||
private getKey(event: NostrEvent): string {
|
||||
// For replaceable events, key is pubkey
|
||||
if (this.isReplaceableKind(event.kind)) {
|
||||
return event.pubkey;
|
||||
}
|
||||
|
||||
resolve(events);
|
||||
// For regular events, key is event id
|
||||
return event.id;
|
||||
}
|
||||
|
||||
async getEventById(eventId: string): Promise<EventWithRelays | undefined> {
|
||||
if (!this.db) await this.init();
|
||||
|
||||
return new Promise((resolve, reject) => {
|
||||
const transaction = this.db!.transaction([STORE_NAME], 'readonly');
|
||||
const objectStore = transaction.objectStore(STORE_NAME);
|
||||
const request = objectStore.get(eventId);
|
||||
|
||||
request.onsuccess = () => resolve(request.result);
|
||||
request.onerror = () => reject(request.error);
|
||||
});
|
||||
}
|
||||
|
||||
async getAllEvents(): Promise<EventWithRelays[]> {
|
||||
if (!this.db) await this.init();
|
||||
|
||||
return new Promise((resolve, reject) => {
|
||||
const transaction = this.db!.transaction([STORE_NAME], 'readonly');
|
||||
const objectStore = transaction.objectStore(STORE_NAME);
|
||||
const request = objectStore.getAll();
|
||||
|
||||
request.onsuccess = () => resolve(request.result);
|
||||
request.onerror = () => reject(request.error);
|
||||
});
|
||||
}
|
||||
|
||||
async getEventsByPubkey(pubkey: string, limit?: number): Promise<EventWithRelays[]> {
|
||||
if (!this.db) await this.init();
|
||||
|
||||
return new Promise((resolve, reject) => {
|
||||
const transaction = this.db!.transaction([STORE_NAME], 'readonly');
|
||||
const objectStore = transaction.objectStore(STORE_NAME);
|
||||
const index = objectStore.index('pubkey');
|
||||
const request = index.getAll(pubkey);
|
||||
|
||||
request.onsuccess = () => {
|
||||
let results = request.result;
|
||||
// Sort by created_at descending
|
||||
results.sort((a, b) => b.created_at - a.created_at);
|
||||
if (limit) results = results.slice(0, limit);
|
||||
resolve(results);
|
||||
};
|
||||
request.onerror = () => reject(request.error);
|
||||
});
|
||||
}
|
||||
|
||||
async getEventsByKindAndPubkey(kind: number, pubkey: string): Promise<EventWithRelays[]> {
|
||||
if (!this.db) await this.init();
|
||||
|
||||
return new Promise((resolve, reject) => {
|
||||
const transaction = this.db!.transaction([STORE_NAME], 'readonly');
|
||||
const objectStore = transaction.objectStore(STORE_NAME);
|
||||
const index = objectStore.index('kind_pubkey');
|
||||
const request = index.getAll([kind, pubkey]);
|
||||
|
||||
request.onsuccess = () => {
|
||||
const results = request.result;
|
||||
// Sort by created_at descending to get the most recent
|
||||
results.sort((a, b) => b.created_at - a.created_at);
|
||||
resolve(results);
|
||||
};
|
||||
request.onerror = () => reject(request.error);
|
||||
});
|
||||
}
|
||||
|
||||
async deleteEvent(eventId: string): Promise<void> {
|
||||
if (!this.db) await this.init();
|
||||
|
||||
return new Promise((resolve, reject) => {
|
||||
const transaction = this.db!.transaction([STORE_NAME], 'readwrite');
|
||||
const objectStore = transaction.objectStore(STORE_NAME);
|
||||
const request = objectStore.delete(eventId);
|
||||
|
||||
request.onsuccess = () => resolve();
|
||||
request.onerror = () => reject(request.error);
|
||||
});
|
||||
private isReplaceableKind(kind: number): boolean {
|
||||
return kind === 0 || kind === 3 || (kind >= 10000 && kind < 20000);
|
||||
}
|
||||
|
||||
async getCount(): Promise<number> {
|
||||
if (!this.db) await this.init();
|
||||
await this.init();
|
||||
|
||||
const stores = [StoreNames.PROFILES, StoreNames.CONTACTS, StoreNames.RELAY_LISTS, StoreNames.EVENTS];
|
||||
const transaction = this.db!.transaction(stores, 'readonly');
|
||||
|
||||
const counts = await Promise.all(stores.map(storeName => {
|
||||
return new Promise<number>((resolve) => {
|
||||
const store = transaction.objectStore(storeName);
|
||||
const request = store.count();
|
||||
request.onsuccess = () => resolve(request.result);
|
||||
request.onerror = () => resolve(0);
|
||||
});
|
||||
}));
|
||||
|
||||
return counts.reduce((a, b) => a + b, 0);
|
||||
}
|
||||
|
||||
return new Promise((resolve, reject) => {
|
||||
const transaction = this.db!.transaction([STORE_NAME], 'readonly');
|
||||
const objectStore = transaction.objectStore(STORE_NAME);
|
||||
const request = objectStore.count();
|
||||
|
||||
request.onsuccess = () => resolve(request.result);
|
||||
request.onerror = () => reject(request.error);
|
||||
});
|
||||
async clear(): Promise<void> {
|
||||
await this.init();
|
||||
|
||||
const stores = [StoreNames.PROFILES, StoreNames.CONTACTS, StoreNames.RELAY_LISTS, StoreNames.EVENTS];
|
||||
const transaction = this.db!.transaction(stores, 'readwrite');
|
||||
|
||||
await Promise.all(stores.map(storeName => {
|
||||
return new Promise<void>((resolve, reject) => {
|
||||
const store = transaction.objectStore(storeName);
|
||||
const request = store.clear();
|
||||
request.onsuccess = () => resolve();
|
||||
request.onerror = () => reject(request.error);
|
||||
});
|
||||
}));
|
||||
}
|
||||
|
||||
async exportToJSONL(): Promise<string> {
|
||||
const events = await this.getAllEvents();
|
||||
return events.map(event => {
|
||||
const { _relays, ...cleanEvent } = event;
|
||||
return JSON.stringify(cleanEvent);
|
||||
}).join('\n');
|
||||
await this.init();
|
||||
|
||||
const stores = [StoreNames.PROFILES, StoreNames.CONTACTS, StoreNames.RELAY_LISTS, StoreNames.EVENTS];
|
||||
const allEvents: NostrEvent[] = [];
|
||||
|
||||
for (const storeName of stores) {
|
||||
const transaction = this.db!.transaction([storeName], 'readonly');
|
||||
const store = transaction.objectStore(storeName);
|
||||
const request = store.getAll();
|
||||
|
||||
const records = await new Promise<EventRecord[]>((resolve, reject) => {
|
||||
request.onsuccess = () => resolve(request.result);
|
||||
request.onerror = () => reject(request.error);
|
||||
});
|
||||
|
||||
for (const record of records) {
|
||||
const { _relays, ...event } = record.event;
|
||||
allEvents.push(event as NostrEvent);
|
||||
}
|
||||
}
|
||||
|
||||
return allEvents.map(event => JSON.stringify(event)).join('\n');
|
||||
}
|
||||
|
||||
async importFromJSONL(jsonl: string, relays: string[]): Promise<number> {
|
||||
@@ -409,8 +464,7 @@ class EventStore {
|
||||
for (const line of lines) {
|
||||
if (line.trim()) {
|
||||
try {
|
||||
const event = JSON.parse(line);
|
||||
events.push(event);
|
||||
events.push(JSON.parse(line));
|
||||
} catch (error) {
|
||||
console.error('Failed to parse event:', error);
|
||||
}
|
||||
@@ -420,20 +474,7 @@ class EventStore {
|
||||
await this.addEvents(events, relays);
|
||||
return events.length;
|
||||
}
|
||||
|
||||
async clear(): Promise<void> {
|
||||
if (!this.db) await this.init();
|
||||
|
||||
return new Promise((resolve, reject) => {
|
||||
const transaction = this.db!.transaction([STORE_NAME], 'readwrite');
|
||||
const objectStore = transaction.objectStore(STORE_NAME);
|
||||
const request = objectStore.clear();
|
||||
|
||||
request.onsuccess = () => resolve();
|
||||
request.onerror = () => reject(request.error);
|
||||
});
|
||||
}
|
||||
}
|
||||
|
||||
export const eventStore = new EventStore();
|
||||
export const eventStore = new EventStoreV2();
|
||||
export type { EventWithRelays };
|
||||
|
||||
Reference in New Issue
Block a user