docs: update examples for latest libp2p rc (#353)

* docs: update chat example readme

* docs: update discovery test for autodial

* docs: fix delegated routing example

* docs: update echo example readme

* docs: fix libp2p in the browser example

* docs: update examples for peer/content routing

* docs: update the pubsub example

examples/libp2p-in-the-browser/1/src/browser-bundle.js

@@ -7,6 +7,7 @@ const Mplex = require('libp2p-mplex')
 const SPDY = require('libp2p-spdy')
 const SECIO = require('libp2p-secio')
 const Bootstrap = require('libp2p-bootstrap')
+const DHT = require('libp2p-kad-dht')
 const defaultsDeep = require('@nodeutils/defaults-deep')
 const libp2p = require('../../../../')
 
@@ -47,10 +48,12 @@ class Node extends libp2p {
           wrtcStar.discovery,
           wsstar.discovery,
           Bootstrap
-        ]
+        ],
+        dht: DHT
       },
       config: {
         peerDiscovery: {
+          autoDial: true,
           webRTCStar: {
             enabled: true
           },
@@ -58,7 +61,7 @@ class Node extends libp2p {
             enabled: true
           },
           bootstrap: {
-            interval: 10000,
+            interval: 20e3,
             enabled: true,
             list: bootstrapList
           }
@@ -66,16 +69,19 @@ class Node extends libp2p {
         relay: {
           enabled: true,
           hop: {
-            enabled: true,
+            enabled: false,
             active: false
           }
         },
+        dht: {
+          enabled: false
+        },
         EXPERIMENTAL: {
-          dht: false,
           pubsub: false
         }
       },
       connectionManager: {
+        minPeers: 10,
         maxPeers: 50
       }
     }

examples/libp2p-in-the-browser/1/src/index.js

@@ -14,26 +14,8 @@ domReady(() => {
       return console.log('Could not create the Node, check if your browser has WebRTC Support', err)
     }
 
-    let connections = {}
-
     node.on('peer:discovery', (peerInfo) => {
-      const idStr = peerInfo.id.toB58String()
-      if (connections[idStr]) {
-        // If we're already trying to connect to this peer, dont dial again
-        return
-      }
-      console.log('Discovered a peer:', idStr)
-
-      connections[idStr] = true
-      node.dial(peerInfo, (err, conn) => {
-        if (err) {
-          // Prevent immediate connection retries from happening
-          // and include a 10s jitter
-          const timeToNextDial = 25 * 1000 + (Math.random(0) * 10000).toFixed(0)
-          console.log('Failed to dial:', idStr)
-          setTimeout(() => delete connections[idStr], timeToNextDial)
-        }
-      })
+      console.log('Discovered a peer:', peerInfo.id.toB58String())
     })
 
     node.on('peer:connect', (peerInfo) => {
@@ -47,15 +29,13 @@ domReady(() => {
 
     node.on('peer:disconnect', (peerInfo) => {
       const idStr = peerInfo.id.toB58String()
-      delete connections[idStr]
-      console.log('Lost connection to: ' + idStr)
       const el = document.getElementById(idStr)
       el && el.remove()
     })
 
     node.start((err) => {
       if (err) {
-        return console.log('WebRTC not supported')
+        return console.log(err)
       }
 
       const idStr = node.peerInfo.id.toB58String()