Key Transparency

ts/sql/server/keyTransparency.std.ts

@@ -0,0 +1,31 @@
+// Copyright 2026 Signal Messenger, LLC
+// SPDX-License-Identifier: AGPL-3.0-only
+import type { AciString } from '../../types/ServiceId.std.js';
+import type { ReadableDB, WritableDB } from '../Interface.std.js';
+import { sql } from '../util.std.js';
+
+export function getKTAccountData(
+  db: ReadableDB,
+  aci: AciString
+): Uint8Array | undefined {
+  const [query, params] = sql`
+    SELECT data
+    FROM key_transparency_account_data
+    WHERE aci IS ${aci}
+  `;
+  return db.prepare(query, { pluck: true }).get<Uint8Array>(params);
+}
+
+export function setKTAccountData(
+  db: WritableDB,
+  aci: AciString,
+  data: Uint8Array
+): void {
+  const [query, params] = sql`
+    INSERT OR REPLACE INTO key_transparency_account_data
+      (aci, data)
+    VALUES
+      (${aci}, ${data});
+  `;
+  db.prepare(query).run(params);
+}