Made changes according to feedback.

app/scripts/keyrings/hd.js

@@ -33,11 +33,11 @@ class HdKeyring extends EventEmitter {
     this.mnemonic = null
     this.root = null
 
-    if ('mnemonic' in opts) {
+    if (opts.mnemonic) {
       this._initFromMnemonic(opts.mnemonic)
     }
 
-    if ('numberOfAccounts' in opts) {
+    if (opts.numberOfAccounts) {
       return this.addAccounts(opts.numberOfAccounts)
     }
 

app/scripts/lib/config-manager.js

@@ -441,6 +441,5 @@ ConfigManager.prototype.setLostAccounts = function (lostAccounts) {
 
 ConfigManager.prototype.getLostAccounts = function () {
   var data = this.getData()
-  return ('lostAccounts' in data) && data.lostAccounts || []
+  return data.lostAccounts || []
 }
-

app/scripts/lib/idStore-migrator.js

@@ -2,6 +2,7 @@ const IdentityStore = require('./idStore')
 const HdKeyring = require('../keyrings/hd')
 const sigUtil = require('./sig-util')
 const normalize = sigUtil.normalize
+const denodeify = require('denodeify')
 
 module.exports = class IdentityStoreMigrator {
 
@@ -25,14 +26,13 @@ module.exports = class IdentityStoreMigrator {
       return Promise.resolve(null)
     }
 
-    return new Promise((resolve, reject) => {
-      this.idStore.submitPassword(password, (err) => {
-        if (err) return reject(err)
-        const serialized = this.serializeVault()
-        this.checkForErrors(serialized)
-        .then(resolve)
-        .catch(reject)
-      })
+    const idStore = this.idStore
+    const submitPassword = denodeify(idStore.submitPassword.bind(idStore))
+
+    return submitPassword(password)
+    .then(() => {
+      const serialized = this.serializeVault()
+      return this.checkForLostAccounts(serialized)
     })
   }
 
@@ -46,7 +46,7 @@ module.exports = class IdentityStoreMigrator {
     }
   }
 
-  checkForErrors (serialized) {
+  checkForLostAccounts (serialized) {
     const hd = new HdKeyring()
     return hd.deserialize(serialized.data)
     .then((hexAccounts) => {

package.json

@@ -39,6 +39,7 @@
     "clone": "^1.0.2",
     "copy-to-clipboard": "^2.0.0",
     "debounce": "^1.0.0",
+    "denodeify": "^1.2.1",
     "dnode": "^1.2.2",
     "end-of-stream": "^1.1.0",
     "ensnare": "^1.0.0",

test/unit/idStore-migration-test.js

@@ -83,7 +83,6 @@ describe('IdentityStore to KeyringController migration', function() {
       keyringController.configManager.setWallet('something')
       const state = keyringController.getState()
       assert(state.isInitialized, 'old vault counted as initialized.')
-      console.dir(state)
       assert.equal(state.lostAccounts.length, 0, 'no lost accounts')
     })
   })