feat: add protocol list to ipfs id (#3250)

Adds `.protocols` property to the output of `ipfs.id` which contains all libp2p protocols supported by the current node.

Closes #3219

Author: tk26

docs/core-api/MISCELLANEOUS.md

@@ -61,6 +61,7 @@ The Peer identity has the following properties:
 - `addresses: Multiaddr[]` - A list of multiaddrs this node is listening on
 - `agentVersion: String` - The agent version
 - `protocolVersion: String` - The supported protocol version
+- `protocols: String[]` - The supported protocols
 
 ### Example
 

packages/interface-ipfs-core/src/miscellaneous/id.js

@@ -44,5 +44,24 @@ module.exports = (common, options) => {
         expect(Multiaddr.isMultiaddr(ma)).to.be.true()
       }
     })
+
+    it('should have protocols property', async () => {
+      const res = await ipfs.id()
+
+      expect(res).to.have.a.property('protocols').that.is.an('array')
+
+      expect(res.protocols).to.have.members([
+        '/floodsub/1.0.0',
+        '/ipfs/bitswap/1.0.0',
+        '/ipfs/bitswap/1.1.0',
+        '/ipfs/bitswap/1.2.0',
+        '/ipfs/id/1.0.0',
+        '/ipfs/id/push/1.0.0',
+        '/ipfs/ping/1.0.0',
+        '/libp2p/circuit/relay/0.1.0',
+        '/meshsub/1.0.0',
+        '/meshsub/1.1.0'
+      ])
+    })
   })
 }

packages/ipfs-http-client/test/interface.spec.js

@@ -475,6 +475,10 @@ describe('interface-ipfs-core tests', () => {
       {
         name: 'should include the interface-ipfs-core version',
         reason: 'TODO not implemented in go-ipfs yet'
+      },
+      {
+        name: 'should have protocols property',
+        reason: 'TODO not implemented in go-ipfs yet'
       }
     ]
   })

packages/ipfs/src/cli/commands/id.js

@@ -11,7 +11,7 @@ module.exports = {
     format: {
       alias: 'f',
       type: 'string',
-      describe: 'Print Node ID info in the given format. Allowed tokens: <id> <aver> <pver> <pubkey> <addrs>'
+      describe: 'Print Node ID info in the given format. Allowed tokens: <id> <aver> <pver> <pubkey> <addrs> <protocols>'
     },
     timeout: {
       type: 'string',
@@ -31,6 +31,7 @@ module.exports = {
         .replace('<pver>', id.protocolVersion)
         .replace('<pubkey>', id.publicKey)
         .replace('<addrs>', (id.addresses || []).map(addr => addr.toString()).join('\n'))
+        .replace('<protocols>', (id.protocols || []).map(protocol => protocol.toString()).join('\n'))
       )
 
       return

packages/ipfs/src/core/components/id.js

@@ -9,10 +9,12 @@ module.exports = ({ peerId, libp2p }) => {
   return withTimeoutOption(async function id () { // eslint-disable-line require-await
     const id = peerId.toB58String()
     let addresses = []
+    let protocols = []
 
     if (libp2p) {
       // only available while the node is running
       addresses = libp2p.transportManager.getAddrs()
+      protocols = Array.from(libp2p.upgrader.protocols.keys())
     }
 
     return {
@@ -33,7 +35,8 @@ module.exports = ({ peerId, libp2p }) => {
         .sort()
         .map(ma => multiaddr(ma)),
       agentVersion: `js-ipfs/${pkgversion}`,
-      protocolVersion: '9000'
+      protocolVersion: '9000',
+      protocols: protocols.sort()
     }
   })
 }

packages/ipfs/src/http/api/resources/id.js

@@ -38,7 +38,8 @@ module.exports = {
       PublicKey: id.publicKey,
       Addresses: id.addresses,
       AgentVersion: id.agentVersion,
-      ProtocolVersion: id.protocolVersion
+      ProtocolVersion: id.protocolVersion,
+      Protocols: id.protocols
     })
   }
 }