diff --git a/src/controllers/api/cashu.test.ts b/src/controllers/api/cashu.test.ts
index bba10765..f367cc10 100644
--- a/src/controllers/api/cashu.test.ts
+++ b/src/controllers/api/cashu.test.ts
@@ -18,10 +18,7 @@ interface AppEnv extends HonoEnv {
   };
 }
 
-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 () => {
+Deno.test('PUT /wallet must be successful', async () => {
   await using db = await createTestDB();
   const store = db.store;
 
@@ -97,10 +94,7 @@ Deno.test('PUT /wallet must be successful', {
   ]);
 });
 
-Deno.test('PUT /wallet must NOT be successful: wrong request body/schema', {
-  sanitizeOps: false, // postgres.js calls 'setTimeout' without calling 'clearTimeout'
-  sanitizeResources: false, // postgres.js calls 'setTimeout' without calling 'clearTimeout'
-}, async () => {
+Deno.test('PUT /wallet must NOT be successful: wrong request body/schema', async () => {
   await using db = await createTestDB();
   const store = db.store;
 
@@ -132,10 +126,7 @@ Deno.test('PUT /wallet must NOT be successful: wrong request body/schema', {
   assertObjectMatch(body, { error: 'Bad schema' });
 });
 
-Deno.test('PUT /wallet must NOT be successful: wallet already exists', {
-  sanitizeOps: false, // postgres.js calls 'setTimeout' without calling 'clearTimeout'
-  sanitizeResources: false, // postgres.js calls 'setTimeout' without calling 'clearTimeout'
-}, async () => {
+Deno.test('PUT /wallet must NOT be successful: wallet already exists', async () => {
   await using db = await createTestDB();
   const store = db.store;
 
@@ -169,10 +160,7 @@ Deno.test('PUT /wallet must NOT be successful: wallet already exists', {
   assertEquals(body2, { error: 'You already have a wallet 😏' });
 });
 
-Deno.test('GET /wallet must be successful', {
-  sanitizeOps: false, // postgres.js calls 'setTimeout' without calling 'clearTimeout'
-  sanitizeResources: false, // postgres.js calls 'setTimeout' without calling 'clearTimeout'
-}, async () => {
+Deno.test('GET /wallet must be successful', async () => {
   await using db = await createTestDB();
   const store = db.store;
 
@@ -284,7 +272,7 @@ Deno.test('GET /wallet must be successful', {
   });
 });
 
-Deno.test('GET /mints must be successful', {}, async () => {
+Deno.test('GET /mints must be successful', async () => {
   const app = new Hono<AppEnv>().route('/', cashuApp);
 
   const response = await app.request('/mints', {
diff --git a/src/controllers/api/cashu.ts b/src/controllers/api/cashu.ts
index 58a150de..19a29658 100644
--- a/src/controllers/api/cashu.ts
+++ b/src/controllers/api/cashu.ts
@@ -6,9 +6,8 @@ import { z } from 'zod';
 
 import { Conf } from '@/config.ts';
 import { createEvent, parseBody } from '@/utils/api.ts';
-import { signerMiddleware } from '@/middleware/signerMiddleware.ts';
 import { requireNip44Signer } from '@/middleware/requireSigner.ts';
-import { storeMiddleware } from '@/middleware/storeMiddleware.ts';
+import { requireStore } from '@/middleware/storeMiddleware.ts';
 import { walletSchema } from '@/schema.ts';
 import { swapNutzapsMiddleware } from '@/middleware/swapNutzapsMiddleware.ts';
 import { isNostrId } from '@/utils.ts';
@@ -17,7 +16,7 @@ import { errorJson } from '@/utils/log.ts';
 
 type Wallet = z.infer<typeof walletSchema>;
 
-const app = new Hono().use('*', storeMiddleware, signerMiddleware);
+const app = new Hono().use('*', requireStore);
 
 // app.delete('/wallet') -> 204
 
@@ -46,7 +45,7 @@ const createCashuWalletAndNutzapInfoSchema = z.object({
  * https://github.com/nostr-protocol/nips/blob/master/61.md#nutzap-informational-event
  */
 app.put('/wallet', requireNip44Signer, async (c) => {
-  const signer = c.get('signer');
+  const signer = c.var.signer;
   const store = c.get('store');
   const pubkey = await signer.getPublicKey();
   const body = await parseBody(c.req.raw);
diff --git a/src/middleware/storeMiddleware.ts b/src/middleware/storeMiddleware.ts
index 37d04856..f69712a3 100644
--- a/src/middleware/storeMiddleware.ts
+++ b/src/middleware/storeMiddleware.ts
@@ -4,6 +4,13 @@ import { NostrSigner, NStore } from '@nostrify/nostrify';
 import { UserStore } from '@/storages/UserStore.ts';
 import { Storages } from '@/storages.ts';
 
+export const requireStore: MiddlewareHandler<{ Variables: { store: NStore } }> = async (c, next) => {
+  if (!c.get('store')) {
+    throw new Error('Store is required');
+  }
+  await next();
+};
+
 /** Store middleware. */
 export const storeMiddleware: MiddlewareHandler<{ Variables: { signer?: NostrSigner; store: NStore } }> = async (
   c,
diff --git a/src/middleware/swapNutzapsMiddleware.ts b/src/middleware/swapNutzapsMiddleware.ts
index 286965c6..b24dee80 100644
--- a/src/middleware/swapNutzapsMiddleware.ts
+++ b/src/middleware/swapNutzapsMiddleware.ts
@@ -2,7 +2,7 @@ import { CashuMint, CashuWallet, getEncodedToken, type Proof } from '@cashu/cash
 import { MiddlewareHandler } from '@hono/hono';
 import { HTTPException } from '@hono/hono/http-exception';
 import { getPublicKey } from 'nostr-tools';
-import { NostrFilter, NostrSigner, NStore } from '@nostrify/nostrify';
+import { NostrFilter, NostrSigner, NSchema as n, NStore } from '@nostrify/nostrify';
 import { SetRequired } from 'type-fest';
 import { stringToBytes } from '@scure/base';
 import { logi } from '@soapbox/logi';
@@ -11,6 +11,7 @@ import { isNostrId } from '@/utils.ts';
 import { errorJson } from '@/utils/log.ts';
 import { Conf } from '@/config.ts';
 import { createEvent } from '@/utils/api.ts';
+import { z } from 'zod';
 
 /**
  * Swap nutzaps into wallet (create new events) if the user has a wallet, otheriwse, just fallthrough.
@@ -111,7 +112,22 @@ export const swapNutzapsMiddleware: MiddlewareHandler<
           mintsToProofs[mint] = { proofs: [], redeemed: [] };
         }
 
-        mintsToProofs[mint].proofs = [...mintsToProofs[mint].proofs, ...JSON.parse(proof)];
+        const parsed = n.json().pipe(
+          z.object({
+            id: z.string(),
+            amount: z.number(),
+            secret: z.string(),
+            C: z.string(),
+            dleq: z.object({ s: z.string(), e: z.string(), r: z.string().optional() }).optional(),
+            dleqValid: z.boolean().optional(),
+          }).array(),
+        ).safeParse(proof);
+
+        if (!parsed.success) {
+          continue;
+        }
+
+        mintsToProofs[mint].proofs = [...mintsToProofs[mint].proofs, ...parsed.data];
         mintsToProofs[mint].redeemed = [
           ...mintsToProofs[mint].redeemed,
           [
@@ -122,8 +138,8 @@ export const swapNutzapsMiddleware: MiddlewareHandler<
           ],
           ['p', event.pubkey], // pubkey of the author of the 9321 event (nutzap sender)
         ];
-      } catch (e: any) {
-        logi({ level: 'error', ns: 'ditto.api.cashu.wallet.swap', error: e });
+      } catch (e) {
+        logi({ level: 'error', ns: 'ditto.api.cashu.wallet.swap', error: errorJson(e) });
       }
     }
 
@@ -162,8 +178,8 @@ export const swapNutzapsMiddleware: MiddlewareHandler<
           ),
           tags: mintsToProofs[mint].redeemed,
         }, c);
-      } catch (e: any) {
-        logi({ level: 'error', ns: 'ditto.api.cashu.wallet.swap', error: e });
+      } catch (e) {
+        logi({ level: 'error', ns: 'ditto.api.cashu.wallet.swap', error: errorJson(e) });
       }
     }
   }