fix: update Helia usage and fix tests (#63)

Helia 1.1.x comes with a libp2p instance so remove custom libp2p
creation.  The 101 example still has it so there's still a reference
to link people to.

index.js

@@ -4,55 +4,10 @@
 
 async function main () {
   const { createHelia } = await import('helia')
-  const { createLibp2p } = await import('libp2p')
-  const { identifyService } = await import('libp2p/identify')
-  const { noise } = await import('@chainsafe/libp2p-noise')
-  const { yamux } = await import('@chainsafe/libp2p-yamux')
-  const { webSockets } = await import('@libp2p/websockets')
-  const { bootstrap } = await import('@libp2p/bootstrap')
   const { unixfs } = await import('@helia/unixfs')
-  const { MemoryBlockstore } = await import('blockstore-core')
-  const { MemoryDatastore } = await import('datastore-core')
-
-  // the blockstore is where we store the blocks that make up files
-  const blockstore = new MemoryBlockstore()
-
-  // application-specific data lives in the datastore
-  const datastore = new MemoryDatastore()
-
-  // libp2p is the networking layer that underpins Helia
-  const libp2p = await createLibp2p({
-    datastore,
-    transports: [
-      webSockets()
-    ],
-    connectionEncryption: [
-      noise()
-    ],
-    streamMuxers: [
-      yamux()
-    ],
-    peerDiscovery: [
-      bootstrap({
-        list: [
-          '/dnsaddr/bootstrap.libp2p.io/p2p/QmNnooDu7bfjPFoTZYxMNLWUQJyrVwtbZg5gBMjTezGAJN',
-          '/dnsaddr/bootstrap.libp2p.io/p2p/QmQCU2EcMqAqQPR2i9bChDtGNJchTbq5TbXJJ16u19uLTa',
-          '/dnsaddr/bootstrap.libp2p.io/p2p/QmbLHAnMoJPWSCR5Zhtx6BHJX9KiKNN6tpvbUcqanj75Nb',
-          '/dnsaddr/bootstrap.libp2p.io/p2p/QmcZf59bWwK5XFi76CZX8cbJ4BhTzzA3gU1ZjYZcYW3dwt'
-        ]
-      })
-    ],
-    services: {
-      identify: identifyService()
-    }
-  })
 
   // create a Helia node
-  const helia = await createHelia({
-    datastore,
-    blockstore,
-    libp2p
-  })
+  const helia = await createHelia()
 
   // print out our node's PeerId
   console.log(helia.libp2p.peerId)

package.json

@@ -12,15 +12,8 @@
     "test": "test-node-example test/*"
   },
   "dependencies": {
-    "@chainsafe/libp2p-noise": "^12.0.0",
-    "@chainsafe/libp2p-yamux": "^4.0.1",
     "@helia/unixfs": "^1.2.1",
-    "@libp2p/bootstrap": "^8.0.0",
-    "@libp2p/websockets": "^6.0.1",
-    "blockstore-core": "^4.1.0",
-    "datastore-core": "^9.1.1",
-    "helia": "^1.0.0",
-    "libp2p": "^0.45.0"
+    "helia": "^1.0.0"
   },
   "devDependencies": {
     "test-ipfs-example": "^1.0.0"