diff --git a/src/controllers/api/cashu.test.ts b/src/controllers/api/cashu.test.ts
index 9d9f37f2..9908b9d0 100644
--- a/src/controllers/api/cashu.test.ts
+++ b/src/controllers/api/cashu.test.ts
@@ -1,26 +1,105 @@
-// deno-lint-ignore-file require-await
-import { NSecSigner } from '@nostrify/nostrify';
-import { assertEquals } from '@std/assert';
-import { generateSecretKey } from 'nostr-tools';
+import { Env as HonoEnv, Hono } from '@hono/hono';
+import { NostrSigner, NSchema as n, NSecSigner, NStore } from '@nostrify/nostrify';
+import { generateSecretKey, getPublicKey } from 'nostr-tools';
+import { bytesToString, stringToBytes } from '@scure/base';
+import { assertEquals, assertExists } from '@std/assert';
+import { z } from 'zod';
 
 import { createTestDB } from '@/test.ts';
 
-import cashuApp from './cashu.ts';
+import cashuApp from '@/controllers/api/cashu.ts';
 
-Deno.test('PUT /wallet', async () => {
+interface AppEnv extends HonoEnv {
+  Variables: {
+    /** Signer to get the logged-in user's pubkey, relays, and to sign events. */
+    signer: NostrSigner;
+    /** Storage for the user, might filter out unwanted content. */
+    store: NStore;
+  };
+}
+
+Deno.test('PUT /wallet must be successful', {
+  sanitizeOps: false, // postgres.js calls 'setTimeout' without calling 'clearTimeout'
+  sanitizeResources: false, // postgres.js calls 'setTimeout' without calling 'clearTimeout'
+}, async () => {
   await using db = await createTestDB();
   const store = db.store;
 
   const sk = generateSecretKey();
   const signer = new NSecSigner(sk);
+  const nostrPrivateKey = bytesToString('hex', sk);
 
-  const app = cashuApp.use(
-    '*',
-    async (c) => c.set('store', store),
-    async (c) => c.set('signer', signer),
-  );
+  const expectedResponseSchema = z.object({
+    pubkey_p2pk: n.id(),
+    mints: z.array(z.string()).nonempty(),
+    relays: z.array(z.string()).nonempty(),
+    balance: z.number(),
+  });
 
-  const response = await app.request('/wallet', { method: 'PUT' });
+  const app = new Hono<AppEnv>().use(
+    async (c, next) => {
+      c.set('signer', signer);
+      await next();
+    },
+    async (c, next) => {
+      c.set('store', store);
+      await next();
+    },
+  ).route('/', cashuApp);
+
+  const response = await app.request('/wallet', {
+    method: 'PUT',
+    headers: [['content-type', 'application/json']],
+    body: JSON.stringify({
+      mints: [
+        'https://houston.mint.com',
+        'https://houston.mint.com', // duplicate on purpose
+        'https://cuiaba.mint.com',
+      ],
+    }),
+  });
 
   assertEquals(response.status, 200);
+
+  const pubkey = await signer.getPublicKey();
+
+  const [wallet] = await store.query([{ authors: [pubkey], kinds: [17375] }]);
+
+  assertExists(wallet);
+  assertEquals(wallet.kind, 17375);
+
+  const { data, success } = expectedResponseSchema.safeParse(await response.json());
+
+  assertEquals(success, true);
+  if (!data) return; // get rid of typescript error possibly undefined
+
+  const decryptedContent: string[][] = JSON.parse(await signer.nip44.decrypt(pubkey, wallet.content));
+
+  const privkey = decryptedContent.find(([value]) => value === 'privkey')?.[1]!;
+  const p2pk = getPublicKey(stringToBytes('hex', privkey));
+
+  assertEquals(nostrPrivateKey !== privkey, true);
+
+  assertEquals(data.pubkey_p2pk, p2pk);
+  assertEquals(data.mints, [
+    'https://houston.mint.com',
+    'https://cuiaba.mint.com',
+  ]);
+  assertEquals(data.relays, [
+    'ws://localhost:4036/relay',
+  ]);
+  assertEquals(data.balance, 0);
+
+  const [nutzap_info] = await store.query([{ authors: [pubkey], kinds: [10019] }]);
+
+  assertExists(nutzap_info);
+  assertEquals(nutzap_info.kind, 10019);
+  assertEquals(nutzap_info.tags.length, 4);
+
+  const nutzap_p2pk = nutzap_info.tags.find(([value]) => value === 'pubkey')?.[1]!;
+
+  assertEquals(nutzap_p2pk, p2pk);
+  assertEquals([nutzap_info.tags.find(([name]) => name === 'relay')?.[1]!], [
+    'ws://localhost:4036/relay',
+  ]);
 });