Add `supportedNips` to all storages

src/client.ts

@@ -59,6 +59,7 @@ function storeEvent(event: Event, opts: StoreEventOpts = {}): Promise<void> {
 }
 
 const client: EventStore = {
+  supportedNips: [1],
   getEvents,
   storeEvent,
   countEvents: () => Promise.reject(new Error('COUNT not implemented')),

src/reqmeister.ts

@@ -32,6 +32,8 @@ class Reqmeister extends EventEmitter<{ [filterId: string]: (event: Event) => an
   #promise!: Promise<void>;
   #resolve!: () => void;
 
+  supportedNips = [];
+
   constructor(opts: ReqmeisterOpts = {}) {
     super();
     this.#opts = opts;

src/storages/events-db.ts

@@ -56,6 +56,9 @@ class EventsDB implements EventStore {
   #db: Kysely<DittoDB>;
   #debug = Debug('ditto:db:events');
 
+  /** NIPs supported by this storage method. */
+  supportedNips = [1, 45, 50];
+
   constructor(db: Kysely<DittoDB>) {
     this.#db = db;
   }

src/storages/memorelay.ts

@@ -8,15 +8,13 @@ class Memorelay implements EventStore {
   #debug = Debug('ditto:memorelay');
   #cache: LRUCache<string, Event>;
 
+  /** NIPs supported by this storage method. */
+  supportedNips = [1, 45];
+
   constructor(...args: ConstructorParameters<typeof LRUCache<string, Event>>) {
     this.#cache = new LRUCache<string, Event>(...args);
   }
 
-  /** NIPs supported by this storage method. */
-  get supportedNips(): number[] {
-    return [1];
-  }
-
   /** Iterate stored events. */
   *#events(): Generator<Event> {
     for (const event of this.#cache.values()) {

src/storages/optimizer.ts

@@ -13,6 +13,8 @@ class Optimizer implements EventStore {
   #cache: EventStore;
   #client: EventStore;
 
+  supportedNips = [1];
+
   constructor(opts: OptimizerOpts) {
     this.#db = opts.db;
     this.#cache = opts.cache;

src/store.ts

@@ -33,6 +33,8 @@ interface DittoEvent<K extends number = number> extends Event<K> {
 
 /** Storage interface for Nostr events. */
 interface EventStore {
+  /** Indicates NIPs supported by this data store, similar to NIP-11. For example, `50` would indicate support for `search` filters. */
+  supportedNips: readonly number[];
   /** Add an event to the store. */
   storeEvent(event: Event, opts?: StoreEventOpts): Promise<void>;
   /** Get events from filters. */