feat: custom protocol name (#962)

Co-authored-by: mzdws <8580712+mzdws@user.noreply.gitee.com>

test/configuration/protocol-prefix.node.js

@@ -0,0 +1,47 @@
+'use strict'
+/* eslint-env mocha */
+
+const { expect } = require('aegir/utils/chai')
+const mergeOptions = require('merge-options')
+
+const { create } = require('../../src')
+const { baseOptions } = require('./utils')
+
+describe('Protocol prefix is configurable', () => {
+  let libp2p
+
+  it('protocolPrefix is provided', async () => {
+    const testProtocol = 'test-protocol'
+    libp2p = await create(mergeOptions(baseOptions, {
+      config: {
+        protocolPrefix: testProtocol
+      }
+    }))
+
+    const protocols = libp2p.peerStore.protoBook.get(libp2p.peerId);
+    [
+      '/libp2p/circuit/relay/0.1.0',
+      `/${testProtocol}/id/1.0.0`,
+      `/${testProtocol}/id/push/1.0.0`,
+      `/${testProtocol}/ping/1.0.0`
+    ].forEach((i, idx) => {
+      expect(protocols[idx]).equals(i)
+    })
+    await libp2p.stop()
+  })
+
+  it('protocolPrefix is not provided', async () => {
+    libp2p = await create(baseOptions)
+
+    const protocols = libp2p.peerStore.protoBook.get(libp2p.peerId);
+    [
+      '/libp2p/circuit/relay/0.1.0',
+      '/ipfs/id/1.0.0',
+      '/ipfs/id/push/1.0.0',
+      '/ipfs/ping/1.0.0'
+    ].forEach((i, idx) => {
+      expect(protocols[idx]).equals(i)
+    })
+    await libp2p.stop()
+  })
+})