fix: ipfs.id does not double append ipfs/<id> anymore (#732)

src/core/components/id.js

@@ -1,30 +1,27 @@
 'use strict'
 
 const promisify = require('promisify-es6')
+const mafmt = require('mafmt')
 
 module.exports = function id (self) {
   return promisify((opts, callback) => {
     if (typeof opts === 'function') {
       callback = opts
       opts = {}
     }
-    if (!self._peerInfo) { // because of split second warmup
-      setTimeout(ready, 100)
-    } else {
-      ready()
-    }
 
-    function ready () {
-      callback(null, {
-        id: self._peerInfo.id.toB58String(),
-        publicKey: self._peerInfo.id.pubKey.bytes.toString('base64'),
-        addresses: self._peerInfo.multiaddrs.map((ma) => {
-          const addr = ma.toString() + '/ipfs/' + self._peerInfo.id.toB58String()
-          return addr
-        }).sort(),
-        agentVersion: 'js-ipfs',
-        protocolVersion: '9000'
-      })
-    }
+    setImmediate(() => callback(null, {
+      id: self._peerInfo.id.toB58String(),
+      publicKey: self._peerInfo.id.pubKey.bytes.toString('base64'),
+      addresses: self._peerInfo.multiaddrs.map((ma) => {
+        if (mafmt.IPFS.matches(ma)) {
+          return ma.toString()
+        } else {
+          return ma.toString() + '/ipfs/' + self._peerInfo.id.toB58String()
+        }
+      }).sort(),
+      agentVersion: 'js-ipfs',
+      protocolVersion: '9000'
+    }))
   })
 }