diff --git a/package.json b/package.json
index ab68bab..96e9862 100644
--- a/package.json
+++ b/package.json
@@ -75,7 +75,6 @@
     "@swc-node/register": "^1.10.10",
     "@swc/core": "^1.11.13",
     "@types/better-sqlite3": "^7.6.12",
-    "@types/bun": "^1.2.7",
     "@types/cors": "^2.8.17",
     "@types/debug": "^4.1.12",
     "@types/express": "^4.17.21",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index bc51cf2..25cf3c2 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -141,9 +141,6 @@ importers:
       '@types/better-sqlite3':
         specifier: ^7.6.12
         version: 7.6.12
-      '@types/bun':
-        specifier: ^1.2.7
-        version: 1.2.7
       '@types/cors':
         specifier: ^2.8.17
         version: 2.8.17
@@ -1153,9 +1150,6 @@ packages:
   '@types/body-parser@1.19.5':
     resolution: {integrity: sha512-fB3Zu92ucau0iQ0JMCFQE7b/dv8Ot07NI3KaZIkIUNXq82k4eBAqUaneXfleGY9JWskeS9y+u0nXMyspcuQrCg==}
 
-  '@types/bun@1.2.7':
-    resolution: {integrity: sha512-Xf/nkx1V03GvWEzWrYsOGB1VUvWVtU5p6jHalCxixhhfLgsJN59iT7CRvfBXyEBnYoGCa2orzWj6car/QfTjxw==}
-
   '@types/connect@3.4.38':
     resolution: {integrity: sha512-K6uROf1LD88uDQqJCktA4yzL1YYAK6NgfsI0v/mTgyPKWsX1CnJ0XPSDhViejru1GcRkLWb8RlzFYJRqGUbaug==}
 
@@ -1523,9 +1517,6 @@ packages:
   buffer@6.0.3:
     resolution: {integrity: sha512-FTiCpNxtwiZZHEZbcbTIcZjERVICn9yq/pDFkTl95/AxzD1naBctN7YO68riM/gLSDY7sdrMby8hofADYuuqOA==}
 
-  bun-types@1.2.7:
-    resolution: {integrity: sha512-P4hHhk7kjF99acXqKvltyuMQ2kf/rzIw3ylEDpCxDS9Xa0X0Yp/gJu/vDCucmWpiur5qJ0lwB2bWzOXa2GlHqA==}
-
   bytes@3.0.0:
     resolution: {integrity: sha512-pMhOfFDPiv9t5jjIXkHosWmkSyQbvsgEVNkz0ERHbuLh2T/7j4Mqqpz523Fe8MVY89KC6Sh/QfS2sM+SjgFDcw==}
     engines: {node: '>= 0.8'}
@@ -2871,8 +2862,8 @@ packages:
     resolution: {integrity: sha512-VqpjJZKadQB/PEbEwvFdO43Ax5dFBZ2UECszz8bQ7pi7wt//PWe1P6MN7eCnjsatYtBT6EuiClbjSWP2WrIoTw==}
     engines: {node: '>= 0.8.0'}
 
-  serve-static@2.1.0:
-    resolution: {integrity: sha512-A3We5UfEjG8Z7VkDv6uItWw6HY2bBSBJT1KtVESn6EOoOr2jAxNhxWCLY3jDE2WcuHXByWju74ck3ZgLwL8xmA==}
+  serve-static@2.2.0:
+    resolution: {integrity: sha512-61g9pCh0Vnh7IutZjtLGGpTA355+OPn2TyDv/6ivP2h/AdAVX9azsoxmg2/M6nZeQZNYBEwIcsne1mJd9oQItQ==}
     engines: {node: '>= 18'}
 
   set-function-length@1.2.2:
@@ -4355,10 +4346,6 @@ snapshots:
       '@types/connect': 3.4.38
       '@types/node': 22.13.14
 
-  '@types/bun@1.2.7':
-    dependencies:
-      bun-types: 1.2.7
-
   '@types/connect@3.4.38':
     dependencies:
       '@types/node': 22.13.14
@@ -4869,11 +4856,6 @@ snapshots:
       base64-js: 1.5.1
       ieee754: 1.2.1
 
-  bun-types@1.2.7:
-    dependencies:
-      '@types/node': 22.13.14
-      '@types/ws': 8.18.0
-
   bytes@3.0.0: {}
 
   bytes@3.1.2: {}
@@ -5284,7 +5266,7 @@ snapshots:
       router: 2.2.0
       safe-buffer: 5.2.1
       send: 1.2.0
-      serve-static: 2.1.0
+      serve-static: 2.2.0
       setprototypeof: 1.2.0
       statuses: 2.0.1
       type-is: 2.0.1
@@ -6463,7 +6445,7 @@ snapshots:
     transitivePeerDependencies:
       - supports-color
 
-  serve-static@2.1.0:
+  serve-static@2.2.0:
     dependencies:
       encodeurl: 2.0.0
       escape-html: 1.0.3
diff --git a/src/sqlite/event-store.ts b/src/sqlite/event-store.ts
index 324ab33..764dd62 100644
--- a/src/sqlite/event-store.ts
+++ b/src/sqlite/event-store.ts
@@ -1,3 +1,4 @@
+import { ISyncEventStore } from "applesauce-core";
 import { Database } from "better-sqlite3";
 import { Filter, NostrEvent, kinds } from "nostr-tools";
 import EventEmitter from "events";
@@ -184,7 +185,7 @@ type EventMap = {
   "event:removed": [string];
 };
 
-export class SQLiteEventStore extends EventEmitter<EventMap> {
+export class SQLiteEventStore extends EventEmitter<EventMap> implements ISyncEventStore {
   db: Database;
   log = logger.extend("sqlite-event-store");
 
@@ -330,20 +331,7 @@ export class SQLiteEventStore extends EventEmitter<EventMap> {
     }
   }
 
-  removeEvent(id: string) {
-    const results = this.db.transaction(() => {
-      this.db.prepare(`DELETE FROM tags WHERE e = ?`).run(id);
-      this.db.prepare(`DELETE FROM events_fts WHERE id = ?`).run(id);
-
-      return this.db.prepare(`DELETE FROM events WHERE events.id = ?`).run(id);
-    })();
-
-    if (results.changes > 0) this.emit("event:removed", id);
-
-    return results.changes > 0;
-  }
-
-  buildConditionsForFilters(filter: Filter) {
+  protected buildConditionsForFilters(filter: Filter) {
     const joins: string[] = [];
     const conditions: string[] = [];
     const parameters: (string | number)[] = [];
@@ -484,6 +472,39 @@ export class SQLiteEventStore extends EventEmitter<EventMap> {
     return { sql, parameters };
   }
 
+  hasEvent(id: string): boolean {
+    return this.db.prepare<[string], { id: string }>(`SELECT id FROM events WHERE id = ?`).get(id) !== undefined;
+  }
+
+  getEvent(id: string): NostrEvent | undefined {
+    const row = this.db.prepare<[string], EventRow>(`SELECT * FROM events WHERE id = ?`).get(id);
+    if (!row) return undefined;
+    return parseEventRow(row);
+  }
+
+  hasReplaceable(kind: number, pubkey: string, identifier?: string): boolean {
+    return this.getReplaceable(kind, pubkey, identifier) !== undefined;
+  }
+
+  getReplaceable(kind: number, pubkey: string, identifier?: string): NostrEvent | undefined {
+    const filter: Filter = { kinds: [kind], authors: [pubkey], limit: 1 };
+    if (identifier) filter["#d"] = [identifier];
+    return this.getEventsForFilters([filter])[0];
+  }
+
+  getReplaceableHistory(kind: number, pubkey: string, identifier?: string): NostrEvent[] {
+    const filter: Filter = { kinds: [kind], authors: [pubkey] };
+    if (identifier) filter["#d"] = [identifier];
+    return this.getEventsForFilters([filter]);
+  }
+  getTimeline(filters: Filter | Filter[]): NostrEvent[] {
+    return this.getEventsForFilters(Array.isArray(filters) ? filters : [filters]);
+  }
+
+  getAll(filters: Filter | Filter[]): Set<NostrEvent> {
+    return new Set(this.getEventsForFilters(Array.isArray(filters) ? filters : [filters]));
+  }
+
   getEventsForFilters(filters: Filter[]) {
     const { sql, parameters } = this.buildSQLQueryForFilters(filters);