deps!: bump @libp2p/interface from 1.7.0 to 2.2.0 (#34)

Bumps [@libp2p/interface](https://github.com/libp2p/js-libp2p) from 1.7.0 to 2.2.0.
- [Release notes](https://github.com/libp2p/js-libp2p/releases)
- [Changelog](https://github.com/libp2p/js-libp2p/blob/main/.release-please.json)
- [Commits](libp2p/js-libp2p@libp2p-v1.7.0...libp2p-v2.2.0)

---
updated-dependencies:
- dependency-name: "@libp2p/interface"
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

BREAKING CHANGE: requires [email protected]

---------

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: achingbrain <[email protected]>

.github/workflows/test-examples.yml

@@ -0,0 +1,47 @@
+name: test examples
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    branches:
+      - "**"
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-node@v4
+        with:
+          node-version: lts/*
+      - run: npm i
+        working-directory: ./examples
+      - uses: ipfs/aegir/actions/cache-node-modules@master
+        with:
+          directories: |
+            ./examples/node_modules
+
+  test-examples:
+    needs: build
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-node@v4
+        with:
+          node-version: lts/*
+      - uses: ipfs/aegir/actions/cache-node-modules@master
+        with:
+          directories: |
+            ./examples/node_modules
+      - uses: actions/setup-go@v5
+      - run: go build -o test-runner main.go
+        working-directory: ./examples/test-runner
+      - run: ../test-runner/test-runner -hasProxy
+        working-directory: ./examples/go-libp2p-http-proxy
+      - run: ../test-runner/test-runner
+        working-directory: ./examples/js-libp2p-client-and-node-server/
+      - run: ../test-runner/test-runner
+        working-directory: ./examples/two-js-peers
+      - run: ./runTest.sh
+        working-directory: ./examples/peer-id-auth

examples/go-libp2p-http-proxy/client.js

@@ -0,0 +1,58 @@
+/* eslint-disable no-console */
+
+import { noise } from '@chainsafe/libp2p-noise'
+import { yamux } from '@chainsafe/libp2p-yamux'
+import { http } from '@libp2p/http-fetch'
+import { tcp } from '@libp2p/tcp'
+import { multiaddr } from '@multiformats/multiaddr'
+import { createLibp2p } from 'libp2p'
+
+const node = await createLibp2p({
+  // libp2p nodes are started by default, pass false to override this
+  start: false,
+  addresses: {
+    listen: []
+  },
+  transports: [tcp()],
+  connectionEncrypters: [noise()],
+  streamMuxers: [yamux()],
+  services: { http: http() }
+})
+
+// start libp2p
+await node.start()
+console.error('libp2p has started')
+
+// Read server multiaddr from the command line
+const serverAddr = process.argv[2]
+if (!serverAddr) {
+  console.error('Please provide the server multiaddr as an argument')
+  process.exit(1)
+}
+
+let serverMA = multiaddr(serverAddr)
+
+// check if this is an http transport multiaddr
+const isHTTPTransport = serverMA.protos().find(p => p.name === 'http')
+if (!isHTTPTransport && serverMA.getPeerId() === null) {
+  // Learn the peer id of the server. This lets us reuse the connection for all our HTTP requests.
+  // Otherwise js-libp2p will open a new connection for each request.
+  const conn = await node.dial(serverMA)
+  serverMA = serverMA.encapsulate(`/p2p/${conn.remotePeer.toString()}`)
+}
+
+console.error(`Making request to ${serverMA.toString()}`)
+try {
+  const resp = await node.services.http.fetch(new Request(`multiaddr:${serverMA}`))
+  const respBody = await resp.text()
+  if (resp.status !== 200) {
+    throw new Error(`Unexpected status code: ${resp.status}`)
+  }
+  if (respBody !== 'Hello, World!') {
+    throw new Error(`Unexpected response body: ${respBody}`)
+  }
+  console.error('Got response:', respBody)
+} finally {
+  // stop libp2p
+  await node.stop()
+}

examples/go-libp2p-http-proxy/server.js

@@ -0,0 +1,18 @@
+/* eslint-disable no-console */
+
+import http from 'http'
+
+const port = 55776
+
+const server = http.createServer((req, res) => {
+  res.writeHead(200, { 'Content-Type': 'text/plain' })
+  res.end('Hello, World!')
+})
+
+server.listen(port, () => {
+  console.error(`Server running at: http://localhost:${port}/`)
+  // Print multiaddr on stdout for test
+  console.error("Server's multiaddr is:")
+  console.log(`/dns4/localhost/tcp/${port}/http`)
+  console.log('') // Empty line to signal we have no more addresses (for test runner)
+})