Refactor Storages to get lazy-loaded only when they are used

src/controllers/api/accounts.ts

@@ -7,7 +7,7 @@ import { Conf } from '@/config.ts';
 import { getAuthor, getFollowedPubkeys } from '@/queries.ts';
 import { booleanParamSchema, fileSchema } from '@/schema.ts';
 import { jsonMetaContentSchema } from '@/schemas/nostr.ts';
-import { eventsDB, searchStore } from '@/storages.ts';
+import { Storages } from '@/storages.ts';
 import { addTag, deleteTag, findReplyTag, getTagSet } from '@/tags.ts';
 import { uploadFile } from '@/upload.ts';
 import { nostrNow } from '@/utils.ts';
@@ -92,12 +92,12 @@ const accountSearchController: AppController = async (c) => {
 
   const [event, events] = await Promise.all([
     lookupAccount(query),
-    searchStore.query([{ kinds: [0], search: query, limit: 20 }], { signal: c.req.raw.signal }),
+    Storages.search.query([{ kinds: [0], search: query, limit: 20 }], { signal: c.req.raw.signal }),
   ]);
 
   const results = await hydrateEvents({
     events: event ? [event, ...events] : events,
-    storage: eventsDB,
+    storage: Storages.db,
     signal: c.req.raw.signal,
   });
 
@@ -143,7 +143,7 @@ const accountStatusesController: AppController = async (c) => {
   const { signal } = c.req.raw;
 
   if (pinned) {
-    const [pinEvent] = await eventsDB.query([{ kinds: [10001], authors: [pubkey], limit: 1 }], { signal });
+    const [pinEvent] = await Storages.db.query([{ kinds: [10001], authors: [pubkey], limit: 1 }], { signal });
     if (pinEvent) {
       const pinnedEventIds = getTagSet(pinEvent.tags, 'e');
       return renderStatuses(c, [...pinnedEventIds].reverse());
@@ -164,8 +164,8 @@ const accountStatusesController: AppController = async (c) => {
     filter['#t'] = [tagged];
   }
 
-  const events = await eventsDB.query([filter], { signal })
+  const events = await Storages.db.query([filter], { signal })
-    .then((events) => hydrateEvents({ events, storage: eventsDB, signal }))
+    .then((events) => hydrateEvents({ events, storage: Storages.db, signal }))
     .then((events) => {
       if (exclude_replies) {
         return events.filter((event) => !findReplyTag(event.tags));
@@ -306,7 +306,7 @@ const favouritesController: AppController = async (c) => {
   const params = paginationSchema.parse(c.req.query());
   const { signal } = c.req.raw;
 
-  const events7 = await eventsDB.query(
+  const events7 = await Storages.db.query(
     [{ kinds: [7], authors: [pubkey], ...params }],
     { signal },
   );
@@ -315,8 +315,8 @@ const favouritesController: AppController = async (c) => {
     .map((event) => event.tags.find((tag) => tag[0] === 'e')?.[1])
     .filter((id): id is string => !!id);
 
-  const events1 = await eventsDB.query([{ kinds: [1], ids }], { signal })
+  const events1 = await Storages.db.query([{ kinds: [1], ids }], { signal })
-    .then((events) => hydrateEvents({ events, storage: eventsDB, signal }));
+    .then((events) => hydrateEvents({ events, storage: Storages.db, signal }));
 
   const statuses = await Promise.all(events1.map((event) => renderStatus(event, { viewerPubkey: c.get('pubkey') })));
   return paginated(c, events1, statuses);

src/controllers/api/admin.ts

@@ -3,7 +3,7 @@ import { z } from 'zod';
 import { type AppController } from '@/app.ts';
 import { Conf } from '@/config.ts';
 import { booleanParamSchema } from '@/schema.ts';
-import { eventsDB } from '@/storages.ts';
+import { Storages } from '@/storages.ts';
 import { renderAdminAccount } from '@/views/mastodon/admin-accounts.ts';
 import { paginated, paginationSchema } from '@/utils/api.ts';
 
@@ -41,9 +41,9 @@ const adminAccountsController: AppController = async (c) => {
   const { since, until, limit } = paginationSchema.parse(c.req.query());
   const { signal } = c.req.raw;
 
-  const events = await eventsDB.query([{ kinds: [30361], authors: [Conf.pubkey], since, until, limit }], { signal });
+  const events = await Storages.db.query([{ kinds: [30361], authors: [Conf.pubkey], since, until, limit }], { signal });
   const pubkeys = events.map((event) => event.tags.find(([name]) => name === 'd')?.[1]!);
-  const authors = await eventsDB.query([{ kinds: [0], authors: pubkeys }], { signal });
+  const authors = await Storages.db.query([{ kinds: [0], authors: pubkeys }], { signal });
 
   for (const event of events) {
     const d = event.tags.find(([name]) => name === 'd')?.[1];

src/controllers/api/blocks.ts

@@ -1,5 +1,5 @@
 import { type AppController } from '@/app.ts';
-import { eventsDB } from '@/storages.ts';
+import { Storages } from '@/storages.ts';
 import { getTagSet } from '@/tags.ts';
 import { renderAccounts } from '@/views.ts';
 
@@ -8,7 +8,7 @@ const blocksController: AppController = async (c) => {
   const pubkey = c.get('pubkey')!;
   const { signal } = c.req.raw;
 
-  const [event10000] = await eventsDB.query(
+  const [event10000] = await Storages.db.query(
     [{ kinds: [10000], authors: [pubkey], limit: 1 }],
     { signal },
   );

src/controllers/api/bookmarks.ts

@@ -1,5 +1,5 @@
 import { type AppController } from '@/app.ts';
-import { eventsDB } from '@/storages.ts';
+import { Storages } from '@/storages.ts';
 import { getTagSet } from '@/tags.ts';
 import { renderStatuses } from '@/views.ts';
 
@@ -8,7 +8,7 @@ const bookmarksController: AppController = async (c) => {
   const pubkey = c.get('pubkey')!;
   const { signal } = c.req.raw;
 
-  const [event10003] = await eventsDB.query(
+  const [event10003] = await Storages.db.query(
     [{ kinds: [10003], authors: [pubkey], limit: 1 }],
     { signal },
   );

src/controllers/api/ditto.ts

@@ -3,7 +3,7 @@ import { z } from 'zod';
 
 import { AppController } from '@/app.ts';
 import { Conf } from '@/config.ts';
-import { eventsDB } from '@/storages.ts';
+import { Storages } from '@/storages.ts';
 import { AdminSigner } from '@/signers/AdminSigner.ts';
 
 const relaySchema = z.object({
@@ -15,7 +15,7 @@ const relaySchema = z.object({
 type RelayEntity = z.infer<typeof relaySchema>;
 
 export const adminRelaysController: AppController = async (c) => {
-  const [event] = await eventsDB.query([
+  const [event] = await Storages.db.query([
     { kinds: [10002], authors: [Conf.pubkey], limit: 1 },
   ]);
 
@@ -36,7 +36,7 @@ export const adminSetRelaysController: AppController = async (c) => {
     created_at: Math.floor(Date.now() / 1000),
   });
 
-  await eventsDB.event(event);
+  await Storages.db.event(event);
 
   return c.json(renderRelays(event));
 };

src/controllers/api/instance.ts

@@ -1,13 +1,13 @@
 import { type AppController } from '@/app.ts';
 import { Conf } from '@/config.ts';
 import { jsonServerMetaSchema } from '@/schemas/nostr.ts';
-import { eventsDB } from '@/storages.ts';
+import { Storages } from '@/storages.ts';
 
 const instanceController: AppController = async (c) => {
   const { host, protocol } = Conf.url;
   const { signal } = c.req.raw;
 
-  const [event] = await eventsDB.query([{ kinds: [0], authors: [Conf.pubkey], limit: 1 }], { signal });
+  const [event] = await Storages.db.query([{ kinds: [0], authors: [Conf.pubkey], limit: 1 }], { signal });
   const meta = jsonServerMetaSchema.parse(event?.content);
 
   /** Protocol to use for WebSocket URLs, depending on the protocol of the `LOCAL_DOMAIN`. */

src/controllers/api/notifications.ts

@@ -1,5 +1,5 @@
 import { type AppController } from '@/app.ts';
-import { eventsDB } from '@/storages.ts';
+import { Storages } from '@/storages.ts';
 import { paginated, paginationSchema } from '@/utils/api.ts';
 import { renderNotification } from '@/views/mastodon/notifications.ts';
 
@@ -8,7 +8,7 @@ const notificationsController: AppController = async (c) => {
   const { since, until } = paginationSchema.parse(c.req.query());
   const { signal } = c.req.raw;
 
-  const events = await eventsDB.query(
+  const events = await Storages.db.query(
     [{ kinds: [1], '#p': [pubkey], since, until }],
     { signal },
   );

src/controllers/api/pleroma.ts

@@ -4,7 +4,7 @@ import { type AppController } from '@/app.ts';
 import { Conf } from '@/config.ts';
 import { configSchema, elixirTupleSchema, type PleromaConfig } from '@/schemas/pleroma-api.ts';
 import { AdminSigner } from '@/signers/AdminSigner.ts';
-import { eventsDB } from '@/storages.ts';
+import { Storages } from '@/storages.ts';
 import { createAdminEvent } from '@/utils/api.ts';
 import { jsonSchema } from '@/schema.ts';
 
@@ -66,7 +66,7 @@ const pleromaAdminDeleteStatusController: AppController = async (c) => {
 async function getConfigs(signal: AbortSignal): Promise<PleromaConfig[]> {
   const { pubkey } = Conf;
 
-  const [event] = await eventsDB.query([{
+  const [event] = await Storages.db.query([{
     kinds: [30078],
     authors: [pubkey],
     '#d': ['pub.ditto.pleroma.config'],

src/controllers/api/search.ts

@@ -5,7 +5,7 @@ import { z } from 'zod';
 import { AppController } from '@/app.ts';
 import { booleanParamSchema } from '@/schema.ts';
 import { nostrIdSchema } from '@/schemas/nostr.ts';
-import { searchStore } from '@/storages.ts';
+import { Storages } from '@/storages.ts';
 import { dedupeEvents } from '@/utils.ts';
 import { nip05Cache } from '@/utils/nip05.ts';
 import { accountFromPubkey, renderAccount } from '@/views/mastodon/accounts.ts';
@@ -91,8 +91,8 @@ function searchEvents({ q, type, limit, account_id }: SearchQuery, signal: Abort
     filter.authors = [account_id];
   }
 
-  return searchStore.query([filter], { signal })
+  return Storages.search.query([filter], { signal })
-    .then((events) => hydrateEvents({ events, storage: searchStore, signal }));
+    .then((events) => hydrateEvents({ events, storage: Storages.search, signal }));
 }
 
 /** Get event kinds to search from `type` query param. */
@@ -111,8 +111,8 @@ function typeToKinds(type: SearchQuery['type']): number[] {
 async function lookupEvent(query: SearchQuery, signal: AbortSignal): Promise<NostrEvent | undefined> {
   const filters = await getLookupFilters(query, signal);
 
-  return searchStore.query(filters, { limit: 1, signal })
+  return Storages.search.query(filters, { limit: 1, signal })
-    .then((events) => hydrateEvents({ events, storage: searchStore, signal }))
+    .then((events) => hydrateEvents({ events, storage: Storages.search, signal }))
     .then(([event]) => event);
 }
 

src/controllers/api/statuses.ts

@@ -15,7 +15,7 @@ import { renderReblog, renderStatus } from '@/views/mastodon/statuses.ts';
 import { getLnurl } from '@/utils/lnurl.ts';
 import { nip05Cache } from '@/utils/nip05.ts';
 import { asyncReplaceAll } from '@/utils/text.ts';
-import { eventsDB } from '@/storages.ts';
+import { Storages } from '@/storages.ts';
 import { hydrateEvents } from '@/storages/hydrate.ts';
 
 const createStatusSchema = z.object({
@@ -137,7 +137,7 @@ const createStatusController: AppController = async (c) => {
   if (data.quote_id) {
     await hydrateEvents({
       events: [event],
-      storage: eventsDB,
+      storage: Storages.db,
       signal: c.req.raw.signal,
     });
   }
@@ -242,7 +242,7 @@ const reblogStatusController: AppController = async (c) => {
 
   await hydrateEvents({
     events: [reblogEvent],
-    storage: eventsDB,
+    storage: Storages.db,
     signal: signal,
   });
 
@@ -262,7 +262,7 @@ const unreblogStatusController: AppController = async (c) => {
   if (!event) return c.json({ error: 'Event not found.' }, 404);
 
   const filters: NostrFilter[] = [{ kinds: [6], authors: [pubkey], '#e': [event.id] }];
-  const [repostedEvent] = await eventsDB.query(filters, { limit: 1 });
+  const [repostedEvent] = await Storages.db.query(filters, { limit: 1 });
   if (!repostedEvent) return c.json({ error: 'Event not found.' }, 404);
 
   await createEvent({

src/controllers/api/streaming.ts

@@ -10,7 +10,6 @@ import { renderReblog, renderStatus } from '@/views/mastodon/statuses.ts';
 import { hydrateEvents } from '@/storages/hydrate.ts';
 import { Storages } from '@/storages.ts';
 import { UserStore } from '@/storages/UserStore.ts';
-import { getAdminStore } from '@/storages/adminStore.ts';
 
 const debug = Debug('ditto:streaming');
 
@@ -69,11 +68,11 @@ const streamingController: AppController = (c) => {
     const filter = await topicToFilter(stream, c.req.query(), pubkey);
     if (!filter) return;
 
+    const store = pubkey ? new UserStore(pubkey, Storages.admin) : Storages.admin;
+
     try {
       for await (const msg of Storages.pubsub.req([filter], { signal: controller.signal })) {
         if (msg[0] === 'EVENT') {
-          const store = new UserStore(pubkey as string, getAdminStore());
-
           const [event] = await store.query([{ ids: [msg[2].id] }]);
           if (!event) continue;
 

src/controllers/nostr/relay-info.ts

@@ -1,11 +1,11 @@
 import { AppController } from '@/app.ts';
 import { Conf } from '@/config.ts';
 import { jsonServerMetaSchema } from '@/schemas/nostr.ts';
-import { eventsDB } from '@/storages.ts';
+import { Storages } from '@/storages.ts';
 
 const relayInfoController: AppController = async (c) => {
   const { signal } = c.req.raw;
-  const [event] = await eventsDB.query([{ kinds: [0], authors: [Conf.pubkey], limit: 1 }], { signal });
+  const [event] = await Storages.db.query([{ kinds: [0], authors: [Conf.pubkey], limit: 1 }], { signal });
   const meta = jsonServerMetaSchema.parse(event?.content);
 
   return c.json({

src/controllers/nostr/relay.ts

@@ -1,6 +1,5 @@
 import { NostrEvent, NostrFilter, NSchema as n } from '@nostrify/nostrify';
 import { relayInfoController } from '@/controllers/nostr/relay-info.ts';
-import { eventsDB } from '@/storages.ts';
 import * as pipeline from '@/pipeline.ts';
 import {
   type ClientCLOSE,
@@ -71,7 +70,7 @@ function connectStream(socket: WebSocket) {
     controllers.get(subId)?.abort();
     controllers.set(subId, controller);
 
-    for (const event of await eventsDB.query(filters, { limit: FILTER_LIMIT })) {
+    for (const event of await Storages.db.query(filters, { limit: FILTER_LIMIT })) {
       send(['EVENT', subId, event]);
     }
 
@@ -115,7 +114,7 @@ function connectStream(socket: WebSocket) {
 
   /** Handle COUNT. Return the number of events matching the filters. */
   async function handleCount([_, subId, ...rest]: ClientCOUNT): Promise<void> {
-    const { count } = await eventsDB.count(prepareFilters(rest));
+    const { count } = await Storages.db.count(prepareFilters(rest));
     send(['COUNT', subId, { count, approximate: false }]);
   }
 

src/db/users.ts

@@ -3,7 +3,7 @@ import { Conf } from '@/config.ts';
 import { Debug } from '@/deps.ts';
 import * as pipeline from '@/pipeline.ts';
 import { AdminSigner } from '@/signers/AdminSigner.ts';
-import { eventsDB } from '@/storages.ts';
+import { Storages } from '@/storages.ts';
 
 const debug = Debug('ditto:users');
 
@@ -59,7 +59,7 @@ async function findUser(user: Partial<User>, signal?: AbortSignal): Promise<User
     }
   }
 
-  const [event] = await eventsDB.query([filter], { signal });
+  const [event] = await Storages.db.query([filter], { signal });
 
   if (event) {
     return {

src/middleware/store.ts

@@ -1,16 +1,16 @@
 import { AppMiddleware } from '@/app.ts';
 import { UserStore } from '@/storages/UserStore.ts';
-import { getAdminStore } from '@/storages/adminStore.ts';
+import { Storages } from '@/storages.ts';
 
 /** Store middleware. */
 const storeMiddleware: AppMiddleware = async (c, next) => {
   const pubkey = c.get('pubkey');
-  const adminStore = getAdminStore();
+
   if (pubkey) {
-    const store = new UserStore(pubkey, adminStore);
+    const store = new UserStore(pubkey, Storages.admin);
     c.set('store', store);
   } else {
-    c.set('store', adminStore);
+    c.set('store', Storages.admin);
   }
   await next();
 };

src/pipeline.ts

@@ -12,7 +12,7 @@ import { isEphemeralKind } from '@/kinds.ts';
 import { DVM } from '@/pipeline/DVM.ts';
 import { updateStats } from '@/stats.ts';
 import { hydrateEvents, purifyEvent } from '@/storages/hydrate.ts';
-import { cache, eventsDB, reqmeister, Storages } from '@/storages.ts';
+import { Storages } from '@/storages.ts';
 import { getTagSet } from '@/tags.ts';
 import { eventAge, isRelay, nostrDate, nostrNow, parseNip05, Time } from '@/utils.ts';
 import { fetchWorker } from '@/workers/fetch.ts';
@@ -70,15 +70,15 @@ async function handleEvent(event: DittoEvent, signal: AbortSignal): Promise<void
 
 /** Encounter the event, and return whether it has already been encountered. */
 async function encounterEvent(event: NostrEvent, signal: AbortSignal): Promise<boolean> {
-  const [existing] = await cache.query([{ ids: [event.id], limit: 1 }]);
+  const [existing] = await Storages.cache.query([{ ids: [event.id], limit: 1 }]);
-  cache.event(event);
+  Storages.cache.event(event);
-  reqmeister.event(event, { signal });
+  Storages.reqmeister.event(event, { signal });
   return !!existing;
 }
 
 /** Hydrate the event with the user, if applicable. */
 async function hydrateEvent(event: DittoEvent, signal: AbortSignal): Promise<void> {
-  await hydrateEvents({ events: [event], storage: eventsDB, signal });
+  await hydrateEvents({ events: [event], storage: Storages.db, signal });
 
   const domain = await db
     .selectFrom('pubkey_domains')
@@ -93,7 +93,7 @@ async function hydrateEvent(event: DittoEvent, signal: AbortSignal): Promise<voi
 async function storeEvent(event: DittoEvent, signal?: AbortSignal): Promise<void> {
   if (isEphemeralKind(event.kind)) return;
 
-  const [deletion] = await eventsDB.query(
+  const [deletion] = await Storages.db.query(
     [{ kinds: [5], authors: [Conf.pubkey, event.pubkey], '#e': [event.id], limit: 1 }],
     { signal },
   );
@@ -102,7 +102,7 @@ async function storeEvent(event: DittoEvent, signal?: AbortSignal): Promise<void
     return Promise.reject(new RelayError('blocked', 'event was deleted'));
   } else {
     await Promise.all([
-      eventsDB.event(event, { signal }).catch(debug),
+      Storages.db.event(event, { signal }).catch(debug),
       updateStats(event).catch(debug),
     ]);
   }
@@ -151,15 +151,15 @@ async function processDeletions(event: NostrEvent, signal: AbortSignal): Promise
     const ids = getTagSet(event.tags, 'e');
 
     if (event.pubkey === Conf.pubkey) {
-      await eventsDB.remove([{ ids: [...ids] }], { signal });
+      await Storages.db.remove([{ ids: [...ids] }], { signal });
     } else {
-      const events = await eventsDB.query(
+      const events = await Storages.db.query(
         [{ ids: [...ids], authors: [event.pubkey] }],
         { signal },
       );
 
       const deleteIds = events.map(({ id }) => id);
-      await eventsDB.remove([{ ids: deleteIds }], { signal });
+      await Storages.db.remove([{ ids: deleteIds }], { signal });
     }
   }
 }
@@ -202,14 +202,14 @@ function trackRelays(event: NostrEvent) {
 /** Queue related events to fetch. */
 async function fetchRelatedEvents(event: DittoEvent, signal: AbortSignal) {
   if (!event.user) {
-    reqmeister.req({ kinds: [0], authors: [event.pubkey] }, { signal }).catch(() => {});
+    Storages.reqmeister.req({ kinds: [0], authors: [event.pubkey] }, { signal }).catch(() => {});
   }
 
   for (const [name, id, relay] of event.tags) {
     if (name === 'e') {
-      const { count } = await cache.count([{ ids: [id] }]);
+      const { count } = await Storages.cache.count([{ ids: [id] }]);
       if (!count) {
-        reqmeister.req({ ids: [id] }, { relays: [relay] }).catch(() => {});
+        Storages.reqmeister.req({ ids: [id] }, { relays: [relay] }).catch(() => {});
       }
     }
   }

src/pipeline/DVM.ts

@@ -3,7 +3,7 @@ import { NIP05, NostrEvent } from '@nostrify/nostrify';
 import { Conf } from '@/config.ts';
 import * as pipeline from '@/pipeline.ts';
 import { AdminSigner } from '@/signers/AdminSigner.ts';
-import { eventsDB } from '@/storages.ts';
+import { Storages } from '@/storages.ts';
 
 export class DVM {
   static async event(event: NostrEvent): Promise<void> {
@@ -34,7 +34,7 @@ export class DVM {
       return DVM.feedback(event, 'error', `Forbidden user: ${user}`);
     }
 
-    const [label] = await eventsDB.query([{
+    const [label] = await Storages.db.query([{
       kinds: [1985],
       authors: [admin],
       '#L': ['nip05'],

src/queries.ts

@@ -1,6 +1,6 @@
 import { NostrEvent, NostrFilter } from '@nostrify/nostrify';
 import { Conf } from '@/config.ts';
-import { eventsDB, optimizer } from '@/storages.ts';
+import { Storages } from '@/storages.ts';
 import { Debug } from '@/deps.ts';
 import { type DittoEvent } from '@/interfaces/DittoEvent.ts';
 import { type DittoRelation } from '@/interfaces/DittoFilter.ts';
@@ -31,8 +31,8 @@ const getEvent = async (
     filter.kinds = [kind];
   }
 
-  return await optimizer.query([filter], { limit: 1, signal })
+  return await Storages.optimizer.query([filter], { limit: 1, signal })
-    .then((events) => hydrateEvents({ events, storage: optimizer, signal }))
+    .then((events) => hydrateEvents({ events, storage: Storages.optimizer, signal }))
     .then(([event]) => event);
 };
 
@@ -40,14 +40,14 @@ const getEvent = async (
 const getAuthor = async (pubkey: string, opts: GetEventOpts = {}): Promise<NostrEvent | undefined> => {
   const { signal = AbortSignal.timeout(1000) } = opts;
 
-  return await optimizer.query([{ authors: [pubkey], kinds: [0], limit: 1 }], { limit: 1, signal })
+  return await Storages.optimizer.query([{ authors: [pubkey], kinds: [0], limit: 1 }], { limit: 1, signal })
-    .then((events) => hydrateEvents({ events, storage: optimizer, signal }))
+    .then((events) => hydrateEvents({ events, storage: Storages.optimizer, signal }))
     .then(([event]) => event);
 };
 
 /** Get users the given pubkey follows. */
 const getFollows = async (pubkey: string, signal?: AbortSignal): Promise<NostrEvent | undefined> => {
-  const [event] = await eventsDB.query([{ authors: [pubkey], kinds: [3], limit: 1 }], { limit: 1, signal });
+  const [event] = await Storages.db.query([{ authors: [pubkey], kinds: [3], limit: 1 }], { limit: 1, signal });
   return event;
 };
 
@@ -83,15 +83,15 @@ async function getAncestors(event: NostrEvent, result: NostrEvent[] = []): Promi
 }
 
 async function getDescendants(eventId: string, signal = AbortSignal.timeout(2000)): Promise<NostrEvent[]> {
-  const events = await eventsDB.query([{ kinds: [1], '#e': [eventId] }], { limit: 200, signal });
+  const events = await Storages.db.query([{ kinds: [1], '#e': [eventId] }], { limit: 200, signal });
-  return hydrateEvents({ events, storage: eventsDB, signal });
+  return hydrateEvents({ events, storage: Storages.db, signal });
 }
 
 /** Returns whether the pubkey is followed by a local user. */
 async function isLocallyFollowed(pubkey: string): Promise<boolean> {
   const { host } = Conf.url;
 
-  const [event] = await eventsDB.query(
+  const [event] = await Storages.db.query(
     [{ kinds: [3], '#p': [pubkey], search: `domain:${host}`, limit: 1 }],
     { limit: 1 },
   );

src/stats.ts

@@ -4,7 +4,7 @@ import { InsertQueryBuilder } from 'kysely';
 import { db } from '@/db.ts';
 import { DittoTables } from '@/db/DittoTables.ts';
 import { Debug } from '@/deps.ts';
-import { eventsDB } from '@/storages.ts';
+import { Storages } from '@/storages.ts';
 import { findReplyTag } from '@/tags.ts';
 
 type AuthorStat = keyof Omit<DittoTables['author_stats'], 'pubkey'>;
@@ -65,7 +65,7 @@ async function getStatsDiff(event: NostrEvent, prev: NostrEvent | undefined): Pr
     case 5: {
       if (!firstTaggedId) break;
 
-      const [repostedEvent] = await eventsDB.query(
+      const [repostedEvent] = await Storages.db.query(
         [{ kinds: [6], ids: [firstTaggedId], authors: [event.pubkey] }],
         { limit: 1 },
       );
@@ -77,7 +77,7 @@ async function getStatsDiff(event: NostrEvent, prev: NostrEvent | undefined): Pr
       const eventBeingRepostedPubkey = repostedEvent.tags.find(([name]) => name === 'p')?.[1];
       if (!eventBeingRepostedId || !eventBeingRepostedPubkey) break;
 
-      const [eventBeingReposted] = await eventsDB.query(
+      const [eventBeingReposted] = await Storages.db.query(
         [{ kinds: [1], ids: [eventBeingRepostedId], authors: [eventBeingRepostedPubkey] }],
         { limit: 1 },
       );
@@ -154,7 +154,7 @@ function eventStatsQuery(diffs: EventStatDiff[]) {
 
 /** Get the last version of the event, if any. */
 async function maybeGetPrev(event: NostrEvent): Promise<NostrEvent> {
-  const [prev] = await eventsDB.query([
+  const [prev] = await Storages.db.query([
     { kinds: [event.kind], authors: [event.pubkey], limit: 1 },
   ]);
 

src/storages.ts

@@ -9,51 +9,95 @@ import { PoolStore } from '@/storages/pool-store.ts';
 import { Reqmeister } from '@/storages/reqmeister.ts';
 import { SearchStore } from '@/storages/search-store.ts';
 import { InternalRelay } from '@/storages/InternalRelay.ts';
+import { UserStore } from '@/storages/UserStore.ts';
 import { Time } from '@/utils/time.ts';
 
+export class Storages {
+  private static _db: EventsDB | undefined;
+  private static _admin: UserStore | undefined;
+  private static _cache: NCache | undefined;
+  private static _client: PoolStore | undefined;
+  private static _optimizer: Optimizer | undefined;
+  private static _reqmeister: Reqmeister | undefined;
+  private static _pubsub: InternalRelay | undefined;
+  private static _search: SearchStore | undefined;
+
+  /** SQLite database to store events this Ditto server cares about. */
+  public static get db(): EventsDB {
+    if (!this._db) {
+      this._db = new EventsDB(db);
+    }
+    return this._db;
+  }
+
+  /** Admin user storage. */
+  public static get admin(): UserStore {
+    if (!this._admin) {
+      this._admin = new UserStore(Conf.pubkey, this.db);
+    }
+    return this._admin;
+  }
+
+  /** Internal pubsub relay between controllers and the pipeline. */
+  public static get pubsub(): InternalRelay {
+    if (!this._pubsub) {
+      this._pubsub = new InternalRelay();
+    }
+    return this._pubsub;
+  }
+
   /** Relay pool storage. */
-const client = new PoolStore({
+  public static get client(): PoolStore {
+    if (!this._client) {
+      this._client = new PoolStore({
         pool,
         relays: activeRelays,
         publisher: pipeline,
       });
-
+    }
-/** SQLite database to store events this Ditto server cares about. */
+    return this._client;
-const eventsDB = new EventsDB(db);
+  }
 
   /** In-memory data store for cached events. */
-const cache = new NCache({ max: 3000 });
+  public static get cache(): NCache {
+    if (!this._cache) {
+      this._cache = new NCache({ max: 3000 });
+    }
+    return this._cache;
+  }
 
   /** Batches requests for single events. */
-const reqmeister = new Reqmeister({
+  public static get reqmeister(): Reqmeister {
-  client,
+    if (!this._reqmeister) {
+      this._reqmeister = new Reqmeister({
+        client: this.client,
         delay: Time.seconds(1),
         timeout: Time.seconds(1),
       });
+    }
+    return this._reqmeister;
+  }
 
   /** Main Ditto storage adapter */
-const optimizer = new Optimizer({
+  public static get optimizer(): Optimizer {
-  db: eventsDB,
+    if (!this._optimizer) {
-  cache,
+      this._optimizer = new Optimizer({
-  client: reqmeister,
+        db: this.db,
+        cache: this.cache,
+        client: this.reqmeister,
       });
+    }
+    return this._optimizer;
+  }
 
   /** Storage to use for remote search. */
-const searchStore = new SearchStore({
+  public static get search(): SearchStore {
+    if (!this._search) {
+      this._search = new SearchStore({
         relay: Conf.searchRelay,
-  fallback: optimizer,
+        fallback: this.optimizer,
       });
-
-export class Storages {
-  private static _pubsub: InternalRelay | undefined;
-
-  static get pubsub(): InternalRelay {
-    if (!this._pubsub) {
-      this._pubsub = new InternalRelay();
     }
-
+    return this._search;
-    return this._pubsub;
   }
 }
-
-export { cache, client, eventsDB, optimizer, reqmeister, searchStore };

src/storages/adminStore.ts

@@ -1,7 +0,0 @@
-import { UserStore } from '@/storages/UserStore.ts';
-import { Conf } from '@/config.ts';
-import { eventsDB } from '@/storages.ts';
-
-export function getAdminStore() {
-  return new UserStore(Conf.pubkey, eventsDB);
-}

src/utils/api.ts

@@ -9,7 +9,7 @@ import { Debug, parseFormData, type TypeFest } from '@/deps.ts';
 import * as pipeline from '@/pipeline.ts';
 import { AdminSigner } from '@/signers/AdminSigner.ts';
 import { APISigner } from '@/signers/APISigner.ts';
-import { client, eventsDB } from '@/storages.ts';
+import { Storages } from '@/storages.ts';
 import { nostrNow } from '@/utils.ts';
 
 const debug = Debug('ditto:api');
@@ -43,7 +43,7 @@ async function updateEvent<E extends EventStub>(
   fn: (prev: NostrEvent | undefined) => E,
   c: AppContext,
 ): Promise<NostrEvent> {
-  const [prev] = await eventsDB.query([filter], { limit: 1, signal: c.req.raw.signal });
+  const [prev] = await Storages.db.query([filter], { limit: 1, signal: c.req.raw.signal });
   return createEvent(fn(prev), c);
 }
 
@@ -80,7 +80,7 @@ async function publishEvent(event: NostrEvent, c: AppContext): Promise<NostrEven
   try {
     await Promise.all([
       pipeline.handleEvent(event, c.req.raw.signal),
-      client.event(event),
+      Storages.client.event(event),
     ]);
   } catch (e) {
     if (e instanceof pipeline.RelayError) {

src/utils/nip05.ts

@@ -5,7 +5,7 @@ import { Conf } from '@/config.ts';
 import { Debug } from '@/deps.ts';
 import { SimpleLRU } from '@/utils/SimpleLRU.ts';
 import { Time } from '@/utils/time.ts';
-import { eventsDB } from '@/storages.ts';
+import { Storages } from '@/storages.ts';
 import { fetchWorker } from '@/workers/fetch.ts';
 
 const debug = Debug('ditto:nip05');
@@ -37,7 +37,7 @@ const nip05Cache = new SimpleLRU<string, nip19.ProfilePointer>(
 );
 
 async function localNip05Lookup(name: string): Promise<nip19.ProfilePointer | undefined> {
-  const [label] = await eventsDB.query([{
+  const [label] = await Storages.db.query([{
     kinds: [1985],
     authors: [Conf.pubkey],
     '#L': ['nip05'],

src/utils/outbox.ts

@@ -1,10 +1,10 @@
 import { Conf } from '@/config.ts';
-import { eventsDB } from '@/storages.ts';
+import { Storages } from '@/storages.ts';
 
 export async function getRelays(pubkey: string): Promise<Set<string>> {
   const relays = new Set<`wss://${string}`>();
 
-  const events = await eventsDB.query([
+  const events = await Storages.db.query([
     { kinds: [10002], authors: [pubkey, Conf.pubkey], limit: 2 },
   ]);
 

src/views.ts

@@ -1,6 +1,6 @@
 import { NostrFilter } from '@nostrify/nostrify';
 import { AppContext } from '@/app.ts';
-import { eventsDB } from '@/storages.ts';
+import { Storages } from '@/storages.ts';
 import { renderAccount } from '@/views/mastodon/accounts.ts';
 import { renderStatus } from '@/views/mastodon/statuses.ts';
 import { paginated, paginationSchema } from '@/utils/api.ts';
@@ -12,15 +12,15 @@ async function renderEventAccounts(c: AppContext, filters: NostrFilter[], signal
     return c.json([]);
   }
 
-  const events = await eventsDB.query(filters, { signal });
+  const events = await Storages.db.query(filters, { signal });
   const pubkeys = new Set(events.map(({ pubkey }) => pubkey));
 
   if (!pubkeys.size) {
     return c.json([]);
   }
 
-  const authors = await eventsDB.query([{ kinds: [0], authors: [...pubkeys] }], { signal })
+  const authors = await Storages.db.query([{ kinds: [0], authors: [...pubkeys] }], { signal })
-    .then((events) => hydrateEvents({ events, storage: eventsDB, signal }));
+    .then((events) => hydrateEvents({ events, storage: Storages.db, signal }));
 
   const accounts = await Promise.all(
     authors.map((event) => renderAccount(event)),
@@ -32,8 +32,8 @@ async function renderEventAccounts(c: AppContext, filters: NostrFilter[], signal
 async function renderAccounts(c: AppContext, authors: string[], signal = AbortSignal.timeout(1000)) {
   const { since, until, limit } = paginationSchema.parse(c.req.query());
 
-  const events = await eventsDB.query([{ kinds: [0], authors, since, until, limit }], { signal })
+  const events = await Storages.db.query([{ kinds: [0], authors, since, until, limit }], { signal })
-    .then((events) => hydrateEvents({ events, storage: eventsDB, signal }));
+    .then((events) => hydrateEvents({ events, storage: Storages.db, signal }));
 
   const accounts = await Promise.all(
     events.map((event) => renderAccount(event)),
@@ -50,8 +50,8 @@ async function renderStatuses(c: AppContext, ids: string[], signal = AbortSignal
 
   const { limit } = paginationSchema.parse(c.req.query());
 
-  const events = await eventsDB.query([{ kinds: [1], ids, limit }], { signal })
+  const events = await Storages.db.query([{ kinds: [1], ids, limit }], { signal })
-    .then((events) => hydrateEvents({ events, storage: eventsDB, signal }));
+    .then((events) => hydrateEvents({ events, storage: Storages.db, signal }));
 
   if (!events.length) {
     return c.json([]);

src/views/mastodon/relationships.ts

@@ -1,8 +1,8 @@
-import { eventsDB } from '@/storages.ts';
+import { Storages } from '@/storages.ts';
 import { hasTag } from '@/tags.ts';
 
 async function renderRelationship(sourcePubkey: string, targetPubkey: string) {
-  const events = await eventsDB.query([
+  const events = await Storages.db.query([
     { kinds: [3], authors: [sourcePubkey], limit: 1 },
     { kinds: [3], authors: [targetPubkey], limit: 1 },
     { kinds: [10000], authors: [sourcePubkey], limit: 1 },

src/views/mastodon/statuses.ts

@@ -6,7 +6,7 @@ import { Conf } from '@/config.ts';
 import { type DittoEvent } from '@/interfaces/DittoEvent.ts';
 import { getMediaLinks, parseNoteContent } from '@/note.ts';
 import { jsonMediaDataSchema } from '@/schemas/nostr.ts';
-import { eventsDB, optimizer } from '@/storages.ts';
+import { Storages } from '@/storages.ts';
 import { findReplyTag } from '@/tags.ts';
 import { nostrDate } from '@/utils.ts';
 import { unfurlCardCached } from '@/utils/unfurl.ts';
@@ -40,7 +40,7 @@ async function renderStatus(event: DittoEvent, opts: statusOpts): Promise<any> {
     ),
   ];
 
-  const mentionedProfiles = await optimizer.query(
+  const mentionedProfiles = await Storages.optimizer.query(
     [{ authors: mentionedPubkeys, limit: mentionedPubkeys.length }],
   );
 
@@ -53,7 +53,7 @@ async function renderStatus(event: DittoEvent, opts: statusOpts): Promise<any> {
       ),
       firstUrl ? unfurlCardCached(firstUrl) : null,
       viewerPubkey
-        ? await eventsDB.query([
+        ? await Storages.db.query([
           { kinds: [6], '#e': [event.id], authors: [viewerPubkey], limit: 1 },
           { kinds: [7], '#e': [event.id], authors: [viewerPubkey], limit: 1 },
           { kinds: [9734], '#e': [event.id], authors: [viewerPubkey], limit: 1 },