Self emit to see own messages

src/lib/waku.ts

@@ -1,4 +1,4 @@
-import Libp2p from 'libp2p';
+import Libp2p, { Libp2pConfig, Libp2pModules, Libp2pOptions } from 'libp2p';
 import Mplex from 'libp2p-mplex';
 import { bytes } from 'libp2p-noise/dist/src/@types/basic';
 import { Noise } from 'libp2p-noise/dist/src/noise';
@@ -12,16 +12,14 @@ import { StoreCodec, WakuStore } from './waku_store';
 
 const transportKey = Websockets.prototype[Symbol.toStringTag];
 
-export interface CreateOptions {
-  listenAddresses: string[];
+export type CreateOptions =
+  | {
+      listenAddresses: string[] | undefined;
       staticNoiseKey: bytes | undefined;
-  modules: {
-    transport: import('libp2p-interfaces/src/transport/types').TransportFactory<
-      any,
-      any
-    >[];
-  };
+      modules: Partial<Libp2pModules>;
+      config: Partial<Libp2pConfig>;
     }
+  | (Libp2pOptions & import('libp2p').CreateOptions);
 
 export default class Waku {
   public libp2p: Libp2p;
@@ -52,6 +50,19 @@ export default class Waku {
       options
     );
 
+    opts.config = Object.assign(
+      {
+        transport: {
+          [transportKey]: {
+            filter: filters.all,
+          },
+        },
+      },
+      options.config
+    );
+
+    opts.modules = Object.assign({}, options.modules);
+
     let transport = [Websockets];
     if (opts.modules?.transport) {
       transport = transport.concat(opts.modules?.transport);
@@ -73,13 +84,7 @@ export default class Waku {
         // @ts-ignore: Type needs update
         pubsub: WakuRelay,
       },
-      config: {
-        transport: {
-          [transportKey]: {
-            filter: filters.all,
-          },
-        },
-      },
+      config: opts.config,
     });
 
     const wakuStore = new WakuStore(libp2p);

src/lib/waku_relay/index.ts

@@ -1,6 +1,15 @@
 import Gossipsub from 'libp2p-gossipsub';
-import { Libp2p } from 'libp2p-gossipsub/src/interfaces';
+import {
+  AddrInfo,
+  Libp2p,
+  MessageIdFunction,
+} from 'libp2p-gossipsub/src/interfaces';
 import { ControlPrune, PeerInfo } from 'libp2p-gossipsub/src/message';
+import { MessageCache } from 'libp2p-gossipsub/src/message-cache';
+import {
+  PeerScoreParams,
+  PeerScoreThresholds,
+} from 'libp2p-gossipsub/src/score';
 import {
   createGossipRpc,
   messageIdToString,
@@ -19,26 +28,50 @@ import { RelayHeartbeat } from './relay_heartbeat';
 export * from './constants';
 export * from './relay_heartbeat';
 
+/**
+ * See GossipOptions from libp2p-gossipsub
+ */
+interface GossipOptions {
+  emitSelf: boolean;
+  gossipIncoming: boolean;
+  fallbackToFloodsub: boolean;
+  floodPublish: boolean;
+  doPX: boolean;
+  msgIdFn: MessageIdFunction;
+  messageCache: MessageCache;
+  globalSignaturePolicy: string;
+  scoreParams: Partial<PeerScoreParams>;
+  scoreThresholds: Partial<PeerScoreThresholds>;
+  directPeers: AddrInfo[];
+  D: number;
+  Dlo: number;
+  Dhi: number;
+  Dscore: number;
+  Dout: number;
+  Dlazy: number;
+}
+
 export class WakuRelay extends Gossipsub {
   heartbeat: RelayHeartbeat;
 
   /**
    *
-   * @param libp2p: Libp2p
+   * @param {Libp2p} libp2p
+   * @param {Partial<GossipOptions>} [options]
    */
-  constructor(libp2p: Libp2p) {
-    super(libp2p, {
-      emitSelf: false,
-      // Ensure that no signature is expected in the messages.
+  constructor(libp2p: Libp2p, options?: Partial<GossipOptions>) {
+    super(
+      libp2p,
+      Object.assign(options, {
+        // Ensure that no signature is included nor expected in the messages.
         globalSignaturePolicy: SignaturePolicy.StrictNoSign,
-    });
+      })
+    );
 
     this.heartbeat = new RelayHeartbeat(this);
 
     const multicodecs = [constants.RelayCodec];
 
-    // This is the downside of using `libp2p-gossipsub` instead of
-    // implementing WakuRelay from scratch.
     Object.assign(this, { multicodecs });
   }
 

web-chat/src/App.tsx

@@ -24,7 +24,7 @@ export default function App() {
   useEffect(() => {
     async function initWaku() {
       try {
-        const waku = await Waku.create({});
+        const waku = await Waku.create({ config: { pubsub: { enabled: true, emitSelf: true } } });
 
         setState(({ messages }) => {
           return { waku, messages };