fix: use new apis

examples/delegated-routing/README.md

@@ -36,7 +36,7 @@ This should open your browser to http://localhost:3000. If it does not, go ahead
 
 ### Finding Content via the Delegate
 1. Add a file to your IPFS node. From this example root you can do `ipfs add ./README.md` to add the example readme.
-2. Copy the hash from line 5, it will look something like *Qmf33vz4HJFkqgH7XPP1uA6atYKTX1BWQEQthzpKcAdeyZ*.
+2. Copy the hash from line 5, it will look something like *QmV8QZ1m4fi57fbmaYDAkaTSTjHZVLUJmsqvaP6EcUyUNb*.
 3. In the browser, paste the hash into the *Hash* field and hit `Find`. The readme contents should display.
 
 This will do a few things:

examples/delegated-routing/package.json

@@ -12,6 +12,7 @@
     "libp2p-secio": "~0.12.5",
     "libp2p-webrtc-star": "~0.18.6",
     "libp2p-websockets": "~0.13.6",
+    "peer-id": "^0.13.13",
     "react": "^16.8.6",
     "react-dom": "^16.8.6",
     "react-scripts": "^3.2.0"

examples/delegated-routing/src/App.js

@@ -4,6 +4,7 @@
 import React from 'react'
 import Ipfs from 'ipfs'
 import libp2pConfig from './libp2p-configuration'
+import PeerId from 'peer-id'
 
 const BootstrapNode = '/ip4/127.0.0.1/tcp/4010/ws/p2p/QmZrsjJ7v9QoJNjDJmjsQ8947wiK3UnaPPLQvrTSRDAZ2d'
 
@@ -43,10 +44,13 @@ class App extends React.Component {
       isLoading: this.state.isLoading + 1
     })
 
-    const data = await this.ipfs.cat(this.state.hash)
+    const chunks = []
+    for await (const chunk of this.ipfs.cat(this.state.hash)) {
+      chunks.push(chunk)
+    }
 
     this.setState({
-      response: data.toString(),
+      response: Buffer.concat(chunks).toString(),
       isLoading: this.state.isLoading - 1
     })
   }
@@ -56,7 +60,8 @@ class App extends React.Component {
       isLoading: this.state.isLoading + 1
     })
 
-    const results = await this.ipfs.dht.findpeer(this.state.peer)
+    const peerId = PeerId.createFromB58String(this.state.peer)
+    const results = await this.ipfs.libp2p.peerRouting.findPeer(peerId)
 
     this.setState({
       response: JSON.stringify(results, null, 2),