Connect with nim-waku node

README.md

@@ -43,3 +43,21 @@ See patches folder for current hacks to get basic interop with nim-waku.
 
 If there are problems applying them, comment out `postinstall` in
 `package.json`.
+
+## Interop with nim-waku
+
+Go to https://github.com/status-im/nim-waku/ and build `wakunode2`.
+
+Then run it:
+
+```
+./build/wakunode2 --ports-shift:0
+```
+
+Note the "Listening on" address in logs. E.g. `/ip4/0.0.0.0/tcp/60000/p2p/16Uiu2HAmVKynP3QDpjxS2gujvy2Bp3BEKp8NzKmYspxDEVAGHftG`.
+
+Call nodejs node with it as argument:
+
+``` sh
+node index.js /ip4/0.0.0.0/tcp/60000/p2p/16Uiu2HAmVKynP3QDpjxS2gujvy2Bp3BEKp8NzKmYspxDEVAGHftG
+```

nodejs/src/index.js

@@ -20,9 +20,12 @@ const MDNS = require('libp2p-mdns')
 const KadDHT = require('libp2p-kad-dht')
 // PubSub implementation
 const Gossipsub = require('libp2p-gossipsub')
+// Multiaddress
+const multiaddr = require('multiaddr')
 
 ;(async () => {
   // Create the Node
+  //
   const libp2p = await Libp2p.create({
     addresses: {
       listen: [
@@ -67,6 +70,24 @@ const Gossipsub = require('libp2p-gossipsub')
     // Start libp2p
   await libp2p.start()
 
+  console.log('listening on addresses:')
+  libp2p.multiaddrs.forEach(addr => {
+    console.log(`${addr.toString()}/p2p/${libp2p.peerId.toB58String()}`)
+  })
+
+  console.log('\nNode supports protocols:')
+  libp2p.upgrader.protocols.forEach((_, p) => console.log(p))
+
+  const codec = "/vac/waku/relay/2.0.0-beta1"
+
+  //    Dial nim-waku
+  if (process.argv.length >= 3) {
+    const ma = multiaddr(process.argv[2])
+    console.log(`dialing remote peer at ${process.argv[2]}`)
+    await libp2p.dialProtocol(ma, codec)
+    console.log(`dialed ${process.argv[2]}`)
+  }
+
   // Create our PubsubChat client
   const pubsubChat = new PubsubChat(libp2p, PubsubChat.TOPIC, ({ from, message }) => {
     let fromMe = from === libp2p.peerId.toB58String()