refactor: create walletSchema and use it where required

src/controllers/api/cashu.test.ts

@@ -1,13 +1,13 @@
 import { Env as HonoEnv, Hono } from '@hono/hono';
-import { NostrSigner, NSchema as n, NSecSigner, NStore } from '@nostrify/nostrify';
+import { NostrSigner, 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 '@/controllers/api/cashu.ts';
+import { walletSchema } from '@/schema.ts';
 
 interface AppEnv extends HonoEnv {
   Variables: {
@@ -29,13 +29,6 @@ Deno.test('PUT /wallet must be successful', {
   const signer = new NSecSigner(sk);
   const nostrPrivateKey = bytesToString('hex', sk);
 
-  const expectedResponseSchema = z.object({
-    pubkey_p2pk: n.id(),
-    mints: z.array(z.string()).nonempty(),
-    relays: z.array(z.string()).nonempty(),
-    balance: z.number(),
-  });
-
   const app = new Hono<AppEnv>().use(
     async (c, next) => {
       c.set('signer', signer);
@@ -68,7 +61,7 @@ Deno.test('PUT /wallet must be successful', {
   assertExists(wallet);
   assertEquals(wallet.kind, 17375);
 
-  const { data, success } = expectedResponseSchema.safeParse(await response.json());
+  const { data, success } = walletSchema.safeParse(await response.json());
 
   assertEquals(success, true);
   if (!data) return; // get rid of typescript error possibly undefined

src/controllers/api/cashu.ts

@@ -13,6 +13,9 @@ import { errorJson } from '@/utils/log.ts';
 import { signerMiddleware } from '@/middleware/signerMiddleware.ts';
 import { requireNip44Signer } from '@/middleware/requireSigner.ts';
 import { storeMiddleware } from '@/middleware/storeMiddleware.ts';
+import { walletSchema } from '@/schema.ts';
+
+type Wallet = z.infer<typeof walletSchema>;
 
 const app = new Hono().use('*', storeMiddleware, signerMiddleware);
 
@@ -34,13 +37,6 @@ const app = new Hono().use('*', storeMiddleware, signerMiddleware);
 /* PUT /api/v1/ditto/cashu/wallet -> Wallet */
 /* DELETE /api/v1/ditto/cashu/wallet -> 204 */
 
-export interface Wallet {
-  pubkey_p2pk: string;
-  mints: string[];
-  relays: string[];
-  balance: number;
-}
-
 interface Nutzap {
   amount: number;
   event_id?: string;

src/schema.ts

@@ -1,4 +1,5 @@
 import ISO6391, { LanguageCode } from 'iso-639-1';
+import { NSchema as n } from '@nostrify/nostrify';
 import { z } from 'zod';
 
 /** Validates individual items in an array, dropping any that aren't valid. */
@@ -80,6 +81,18 @@ const sizesSchema = z.string().refine((value) =>
   value.split(' ').every((v) => /^[1-9]\d{0,3}[xX][1-9]\d{0,3}$/.test(v))
 );
 
+/** Ditto Cashu wallet */
+const walletSchema = z.object({
+  pubkey_p2pk: n.id(),
+  mints: z.array(z.string().url()).nonempty().transform((val) => {
+    return [...new Set(val)];
+  }),
+  relays: z.array(z.string()).nonempty().transform((val) => {
+    return [...new Set(val)];
+  }),
+  balance: z.number(),
+});
+
 export {
   booleanParamSchema,
   decode64Schema,
@@ -91,5 +104,6 @@ export {
   percentageSchema,
   safeUrlSchema,
   sizesSchema,
+  walletSchema,
   wsUrlSchema,
 };