test: nwaku JSON RPC API now uses base64 encoding

packages/tests/src/nwaku.ts

@@ -81,13 +81,6 @@ export interface MessageRpcQuery {
 }
 
 export interface MessageRpcResponse {
-  payload: number[];
-  contentTopic?: string;
-  version?: number;
-  timestamp?: bigint; // Unix epoch time in nanoseconds as a 64-bits integer value.
-}
-
-export interface MessageRpcResponseHex {
   payload: string;
   contentTopic?: string;
   version?: number;
@@ -122,7 +115,7 @@ export class Nwaku {
     }
 
     return {
-      payload: bytesToHex(message.payload),
+      payload: Buffer.from(message.payload).toString("base64url"),
       contentTopic: message.contentTopic,
       timestamp,
     };
@@ -321,10 +314,10 @@ export class Nwaku {
   async getAsymmetricMessages(
     privateKey: Uint8Array,
     pubSubTopic?: string
-  ): Promise<MessageRpcResponseHex[]> {
+  ): Promise<MessageRpcResponse[]> {
     this.checkProcess();
 
-    return await this.rpcCall<MessageRpcResponseHex[]>(
+    return await this.rpcCall<MessageRpcResponse[]>(
       "get_waku_v2_private_v1_asymmetric_messages",
       [
         pubSubTopic ? pubSubTopic : DefaultPubSubTopic,
@@ -363,10 +356,10 @@ export class Nwaku {
   async getSymmetricMessages(
     symKey: Uint8Array,
     pubSubTopic?: string
-  ): Promise<MessageRpcResponseHex[]> {
+  ): Promise<MessageRpcResponse[]> {
     this.checkProcess();
 
-    return await this.rpcCall<MessageRpcResponseHex[]>(
+    return await this.rpcCall<MessageRpcResponse[]>(
       "get_waku_v2_private_v1_symmetric_messages",
       [
         pubSubTopic ? pubSubTopic : DefaultPubSubTopic,
@@ -475,3 +468,7 @@ interface RpcInfoResponse {
   listenAddresses: string[];
   enrUri?: string;
 }
+
+export function base64ToUtf8(b64: string): string {
+  return Buffer.from(b64, "base64").toString("utf-8");
+}

packages/tests/tests/light_push.node.spec.ts

@@ -2,11 +2,12 @@ import { createEncoder, waitForRemotePeer } from "@waku/core";
 import { createLightNode } from "@waku/create";
 import type { LightNode } from "@waku/interfaces";
 import { Protocols } from "@waku/interfaces";
-import { bytesToUtf8, utf8ToBytes } from "@waku/utils";
+import { utf8ToBytes } from "@waku/utils";
 import { expect } from "chai";
 import debug from "debug";
 
 import {
+  base64ToUtf8,
   delay,
   makeLogFileName,
   MessageRpcResponse,
@@ -58,7 +59,7 @@ describe("Waku Light Push [node only]", () => {
     }
 
     expect(msgs[0].contentTopic).to.equal(TestContentTopic);
-    expect(bytesToUtf8(new Uint8Array(msgs[0].payload))).to.equal(messageText);
+    expect(base64ToUtf8(msgs[0].payload)).to.equal(messageText);
   });
 
   it("Push on custom pubsub topic", async function () {
@@ -105,6 +106,6 @@ describe("Waku Light Push [node only]", () => {
     }
 
     expect(msgs[0].contentTopic).to.equal(TestContentTopic);
-    expect(bytesToUtf8(new Uint8Array(msgs[0].payload))!).to.equal(messageText);
+    expect(base64ToUtf8(msgs[0].payload!)).to.equal(messageText);
   });
 });

packages/tests/tests/relay.node.spec.ts

@@ -25,6 +25,7 @@ import { expect } from "chai";
 import debug from "debug";
 
 import {
+  base64ToUtf8,
   delay,
   makeLogFileName,
   MessageRpcResponse,
@@ -389,9 +390,7 @@ describe("Waku Relay [node only]", () => {
 
       expect(msgs[0].contentTopic).to.equal(TestContentTopic);
       expect(msgs[0].version).to.equal(0);
-      expect(bytesToUtf8(new Uint8Array(msgs[0].payload))).to.equal(
+      expect(base64ToUtf8(msgs[0].payload)).to.equal(messageText);
-        messageText
-      );
     });
 
     it("Nwaku publishes", async function () {