Chat app example

chat/index.ts

@@ -0,0 +1,38 @@
+import Waku from '../build/main/lib/waku';
+import { TOPIC } from '../build/main/lib/waku_relay';
+import { Message } from '../build/main/lib/waku_message';
+
+import readline from 'readline';
+
+;(async function() {
+
+  const waku = await Waku.create();
+  console.log('Waku started');
+  await waku.dial('/ip4/134.209.139.210/tcp/30303/p2p/16Uiu2HAmPLe7Mzm8TsYUubgCAW1aJoeFScxrLj8ppHFivPo97bUZ');
+  // await waku.dial('/ip4/134.209.113.86/tcp/9000/p2p/16Uiu2HAmVVi6Q4j7MAKVibquW8aA27UNrA4Q8Wkz9EetGViu8ZF1');
+  console.log('Static node has been dialed');
+
+  // TODO: Automatically subscribe
+  await waku.relay.subscribe();
+  console.log('Subscribed to waku relay');
+
+  // TODO: Bubble event to waku, infere topic, decode msg
+  waku.libp2p.pubsub.on(TOPIC, event => {
+    const msg = Message.fromBinary(event.data);
+    console.log(msg.utf8Payload());
+  });
+
+  const rl = readline.createInterface({
+    input: process.stdin,
+    output: process.stdout
+  });
+
+  console.log('Ready to chat!');
+  rl.prompt();
+  rl.on('line', async (line) => {
+      rl.prompt();
+      const msg = Message.fromUtf8String(line);
+       await waku.relay.publish(msg);
+  });
+
+})();

package.json

@@ -13,12 +13,14 @@
     "build:1-proto": "buf generate",
     "build:main": "tsc -p tsconfig.json",
     "build:module": "tsc -p tsconfig.module.json",
+    "build:chat": "tsc -p tsconfig.chat.json",
     "fix": "run-s fix:*",
     "fix:prettier": "prettier \"src/**/*.ts\" --write",
     "fix:lint": "eslint src --ext .ts --fix",
     "pretest": "run-s pretest:*",
     "pretest:1-init-git-submodules": "[ -f './nim-waku/build/wakunode2' ] || git submodule update --init --recursive",
     "pretest:2-build-nim-waku": "cd nim-waku; [ -f './build/wakunode2' ] || make -j$(nproc --all 2>/dev/null || echo 2) wakunode2",
+    "start-chat": "ts-node chat/index.ts",
     "test": "run-s build test:*",
     "test:lint": "eslint src --ext .ts",
     "test:prettier": "prettier \"src/**/*.ts\" --list-different",

src/lib/waku_relay.ts

@@ -20,7 +20,7 @@ export class WakuRelayPubsub extends Gossipsub {
    */
   constructor(libp2p: Libp2p) {
     super(libp2p, {
-      emitSelf: true,
+      emitSelf: false,
       // Ensure that no signature is expected in the messages.
       globalSignaturePolicy: SignaturePolicy.StrictNoSign,
     });

tsconfig.chat.json

@@ -0,0 +1,53 @@
+{
+  "compilerOptions": {
+    "incremental": true,
+    "target": "es2017",
+    "outDir": "build/chat",
+    "rootDir": "chat",
+    "moduleResolution": "node",
+    "module": "commonjs",
+    "declaration": true,
+    "inlineSourceMap": true,
+    "esModuleInterop": true /* Enables emit interoperability between CommonJS and ES Modules via creation of namespace objects for all imports. Implies 'allowSyntheticDefaultImports'. */,
+    "resolveJsonModule": true /* Include modules imported with .json extension. */,
+
+    "strict": true /* Enable all strict type-checking options. */,
+
+    /* Strict Type-Checking Options */
+    // "noImplicitAny": true /* Raise error on expressions and declarations with an implied 'any' type. */,
+    // "strictNullChecks": true /* Enable strict null checks. */,
+    // "strictFunctionTypes": true /* Enable strict checking of function types. */,
+    // "strictPropertyInitialization": true /* Enable strict checking of property initialization in classes. */,
+    // "noImplicitThis": true /* Raise error on 'this' expressions with an implied 'any' type. */,
+    // "alwaysStrict": true /* Parse in strict mode and emit "use strict" for each source file. */,
+
+    /* Additional Checks */
+    "noUnusedLocals": true /* Report errors on unused locals. */,
+    "noUnusedParameters": true /* Report errors on unused parameters. */,
+    "noImplicitReturns": true /* Report error when not all code paths in function return a value. */,
+    "noFallthroughCasesInSwitch": true /* Report errors for fallthrough cases in switch statement. */,
+
+    /* Debugging Options */
+    "traceResolution": false /* Report module resolution log messages. */,
+    "listEmittedFiles": false /* Print names of generated files part of the compilation. */,
+    "listFiles": false /* Print names of files part of the compilation. */,
+    "pretty": true /* Stylize errors and messages using color and context. */,
+
+    // Due to broken types in indirect dependencies
+    "skipLibCheck": true,
+
+    /* Experimental Options */
+    // "experimentalDecorators": true /* Enables experimental support for ES7 decorators. */,
+    // "emitDecoratorMetadata": true /* Enables experimental support for emitting type metadata for decorators. */,
+
+    "lib": ["es2017"],
+    "types": ["node", "mocha"],
+    "typeRoots": ["node_modules/@types"]
+  },
+  "include": ["chat/**/*.ts"],
+  "exclude": ["node_modules/**"],
+  "compileOnSave": false,
+  "ts-node": {
+    "files": true
+  }
+}