migration 5 - move keyring controller state to substate

9 files changed, 122 insertions, 112 deletions

diff --git a/app/scripts/keyring-controller.js b/app/scripts/keyring-controller.js
index 460c71e27..68fc6e882 100644
--- a/app/scripts/keyring-controller.js
+++ b/app/scripts/keyring-controller.js
@@ -6,7 +6,7 @@ const ObservableStore = require('obs-store')
 const filter = require('promise-filter')
 const encryptor = require('browser-passworder')
 const createId = require('./lib/random-id')
-const normalize = require('./lib/sig-util').normalize
+const normalizeAddress = require('./lib/sig-util').normalize
 const messageManager = require('./lib/message-manager')
 function noop () {}
 
@@ -74,28 +74,31 @@ class KeyringController extends EventEmitter {
   // in this class, but will need to be Promisified when we move our
   // persistence to an async model.
   getState () {
-    const configManager = this.configManager
-    const address = configManager.getSelectedAccount()
-    const wallet = configManager.getWallet() // old style vault
-    const vault = configManager.getVault() // new style vault
-    const keyrings = this.keyrings
-
-    return Promise.all(keyrings.map(this.displayForKeyring))
+    return Promise.all(this.keyrings.map(this.displayForKeyring))
     .then((displayKeyrings) => {
+      const state = this.store.getState()
+      // old wallet
+      const wallet = this.configManager.getWallet()
       return {
+        // computed
+        isInitialized: (!!wallet || !!state.vault),
+        isUnlocked: (!!this.password),
+        keyrings: displayKeyrings,
+        // hard coded
+        keyringTypes: this.keyringTypes.map(krt => krt.type),
+        // memStore
+        identities: this.identities,
+        // diskStore
+        selectedAccount: state.selectedAccount,
+        // configManager
         seedWords: this.configManager.getSeedWords(),
-        isInitialized: (!!wallet || !!vault),
-        isUnlocked: Boolean(this.password),
         isDisclaimerConfirmed: this.configManager.getConfirmedDisclaimer(),
-        unconfMsgs: messageManager.unconfirmedMsgs(),
-        messages: messageManager.getMsgList(),
-        selectedAccount: address,
         currentFiat: this.configManager.getCurrentFiat(),
         conversionRate: this.configManager.getConversionRate(),
         conversionDate: this.configManager.getConversionDate(),
-        keyringTypes: this.keyringTypes.map(krt => krt.type),
-        identities: this.identities,
-        keyrings: displayKeyrings,
+        // messageManager
+        unconfMsgs: messageManager.unconfirmedMsgs(),
+        messages: messageManager.getMsgList(),
       }
     })
   }
@@ -148,8 +151,8 @@ class KeyringController extends EventEmitter {
     .then((accounts) => {
       const firstAccount = accounts[0]
       if (!firstAccount) throw new Error('KeyringController - First Account not found.')
-      const hexAccount = normalize(firstAccount)
-      this.configManager.setSelectedAccount(hexAccount)
+      const hexAccount = normalizeAddress(firstAccount)
+      this.setSelectedAccount(hexAccount)
       return this.setupAccounts(accounts)
     })
     .then(this.persistAllKeyrings.bind(this, password))
@@ -235,9 +238,9 @@ class KeyringController extends EventEmitter {
   //
   // Sets the state's `selectedAccount` value
   // to the specified address.
-  setSelectedAccount (address) {
-    var addr = normalize(address)
-    this.configManager.setSelectedAccount(addr)
+  setSelectedAccount (account) {
+    var address = normalizeAddress(account)
+    this.store.updateState({ selectedAccount: address })
     return this.fullUpdate()
   }
 
@@ -249,11 +252,19 @@ class KeyringController extends EventEmitter {
   //
   // Persists a nickname equal to `label` for the specified account.
   saveAccountLabel (account, label) {
-    const address = normalize(account)
-    const configManager = this.configManager
-    configManager.setNicknameForWallet(address, label)
-    this.identities[address].name = label
-    return Promise.resolve(label)
+    try {
+      const hexAddress = normalizeAddress(account)
+      // update state on diskStore
+      const state = this.store.getState()
+      const walletNicknames = state.walletNicknames || {}
+      walletNicknames[hexAddress] = label
+      this.store.updateState({ walletNicknames })
+      // update state on memStore
+      this.identities[hexAddress].name = label
+      return Promise.resolve(label)
+    } catch (err) {
+      return Promise.reject(err)
+    }
   }
 
   // Export Account
@@ -269,7 +280,7 @@ class KeyringController extends EventEmitter {
     try {
       return this.getKeyringForAccount(address)
       .then((keyring) => {
-        return keyring.exportAccount(normalize(address))
+        return keyring.exportAccount(normalizeAddress(address))
       })
     } catch (e) {
       return Promise.reject(e)
@@ -283,7 +294,7 @@ class KeyringController extends EventEmitter {
   // TX Manager to update the state after signing
 
   signTransaction (ethTx, _fromAddress) {
-    const fromAddress = normalize(_fromAddress)
+    const fromAddress = normalizeAddress(_fromAddress)
     return this.getKeyringForAccount(fromAddress)
     .then((keyring) => {
       return keyring.signTransaction(fromAddress, ethTx)
@@ -356,7 +367,7 @@ class KeyringController extends EventEmitter {
       delete msgParams.metamaskId
       const approvalCb = this._unconfMsgCbs[msgId] || noop
 
-      const address = normalize(msgParams.from)
+      const address = normalizeAddress(msgParams.from)
       return this.getKeyringForAccount(address)
       .then((keyring) => {
         return keyring.signMessage(address, msgParams.data)
@@ -394,8 +405,8 @@ class KeyringController extends EventEmitter {
     .then((accounts) => {
       const firstAccount = accounts[0]
       if (!firstAccount) throw new Error('KeyringController - No account found on keychain.')
-      const hexAccount = normalize(firstAccount)
-      this.configManager.setSelectedAccount(hexAccount)
+      const hexAccount = normalizeAddress(firstAccount)
+      this.setSelectedAccount(hexAccount)
       this.emit('newAccount', hexAccount)
       return this.setupAccounts(accounts)
     })
@@ -431,7 +442,7 @@ class KeyringController extends EventEmitter {
     if (!account) {
       throw new Error('Problem loading account.')
     }
-    const address = normalize(account)
+    const address = normalizeAddress(account)
     this.ethStore.addAccount(address)
     return this.createNickname(address)
   }
@@ -443,10 +454,11 @@ class KeyringController extends EventEmitter {
   //
   // Takes an address, and assigns it an incremented nickname, persisting it.
   createNickname (address) {
-    const hexAddress = normalize(address)
-    var i = Object.keys(this.identities).length
-    const oldNickname = this.configManager.nicknameForWallet(address)
-    const name = oldNickname || `Account ${++i}`
+    const hexAddress = normalizeAddress(address)
+    const currentIdentityCount = Object.keys(this.identities).length + 1
+    const nicknames = this.store.getState().walletNicknames || {}
+    const existingNickname = nicknames[hexAddress]
+    const name = existingNickname || `Account ${currentIdentityCount}`
     this.identities[hexAddress] = {
       address: hexAddress,
       name,
@@ -481,7 +493,7 @@ class KeyringController extends EventEmitter {
       return this.encryptor.encrypt(this.password, serializedKeyrings)
     })
     .then((encryptedString) => {
-      this.configManager.setVault(encryptedString)
+      this.store.updateState({ vault: encryptedString })
       return true
     })
   }
@@ -494,7 +506,7 @@ class KeyringController extends EventEmitter {
   // Attempts to unlock the persisted encrypted storage,
   // initializing the persisted keyrings to RAM.
   unlockKeyrings (password) {
-    const encryptedVault = this.configManager.getVault()
+    const encryptedVault = this.store.getState().vault
     if (!encryptedVault) {
       throw new Error('Cannot unlock without a previous vault.')
     }
@@ -574,7 +586,7 @@ class KeyringController extends EventEmitter {
   // Returns the currently initialized keyring that manages
   // the specified `address` if one exists.
   getKeyringForAccount (address) {
-    const hexed = normalize(address)
+    const hexed = normalizeAddress(address)
 
     return Promise.all(this.keyrings.map((keyring) => {
       return Promise.all([
@@ -583,7 +595,7 @@ class KeyringController extends EventEmitter {
       ])
     }))
     .then(filter((candidate) => {
-      const accounts = candidate[1].map(normalize)
+      const accounts = candidate[1].map(normalizeAddress)
       return accounts.includes(hexed)
     }))
     .then((winners) => {
@@ -641,35 +653,9 @@ class KeyringController extends EventEmitter {
 
     this.keyrings = []
     this.identities = {}
-    this.configManager.setSelectedAccount()
+    this.setSelectedAccount()
   }
 
 }
 
-//
-// Static Class Methods
-//
-
-KeyringController.selectFromState = (state) => {
-  const config = state.config
-  return {
-    vault: state.vault,
-    selectedAccount: config.selectedAccount,
-    walletNicknames: state.walletNicknames,
-  }
-}
-
-KeyringController.flattenToOldState = (state) => {
-  const data = {
-    vault: state.vault,
-    walletNicknames: state.walletNicknames,
-    config: {
-      selectedAccount: state.selectedAccount,
-    },
-  }
-  return data
-}
-
-
 module.exports = KeyringController
-
diff --git a/app/scripts/migrations/005.js b/app/scripts/migrations/005.js
new file mode 100644
index 000000000..65f62a861
--- /dev/null
+++ b/app/scripts/migrations/005.js
@@ -0,0 +1,41 @@
+const version = 5
+
+/*
+
+This migration moves state from the flat state trie into KeyringController substate
+
+*/
+
+const extend = require('xtend')
+
+module.exports = {
+  version,  
+
+  migrate: function (versionedData) {
+    versionedData.meta.version = version
+    try {
+      const state = versionedData.data
+      const newState = selectSubstateForKeyringController(state)
+      versionedData.data = newState
+    } catch (err) {
+      console.warn('MetaMask Migration #5' + err.stack)
+    }
+    return Promise.resolve(versionedData)
+  },
+}
+
+function selectSubstateForKeyringController (state) {
+  const config = state.config
+  const newState = extend(state, {
+    KeyringController: {
+      vault: state.vault,
+      selectedAccount: config.selectedAccount,
+      walletNicknames: state.walletNicknames,
+    },
+  })
+  delete newState.vault
+  delete newState.walletNicknames
+  delete newState.config.selectedAccount
+
+  return newState
+}
diff --git a/app/scripts/migrations/index.js b/app/scripts/migrations/index.js
index d2ac221b9..a7ce745e7 100644
--- a/app/scripts/migrations/index.js
+++ b/app/scripts/migrations/index.js
@@ -15,4 +15,5 @@ module.exports = [
   require('./002'),
   require('./003'),
   require('./004'),
+  require('./005'),
 ]
diff --git a/package.json b/package.json
index bf4b3986c..2a46ab6bd 100644
--- a/package.json
+++ b/package.json
@@ -70,7 +70,7 @@
     "mississippi": "^1.2.0",
     "mkdirp": "^0.5.1",
     "multiplex": "^6.7.0",
-    "obs-store": "^2.2.3",
+    "obs-store": "^2.3.0",
     "once": "^1.3.3",
     "ping-pong-stream": "^1.0.0",
     "pojo-migrator": "^2.1.0",
diff --git a/test/unit/idStore-migration-test.js b/test/unit/idStore-migration-test.js
index 47894a458..3aaf4bb94 100644
--- a/test/unit/idStore-migration-test.js
+++ b/test/unit/idStore-migration-test.js
@@ -89,6 +89,9 @@ describe('IdentityStore to KeyringController migration', function() {
         assert(!state.lostAccounts, 'no lost accounts')
         done()
       })
+      .catch((err) => {
+        done(err)
+      })
     })
   })
 })
diff --git a/test/unit/keyring-controller-test.js b/test/unit/keyring-controller-test.js
index d6d2db817..347aa2bdf 100644
--- a/test/unit/keyring-controller-test.js
+++ b/test/unit/keyring-controller-test.js
@@ -1,6 +1,6 @@
-var assert = require('assert')
-var KeyringController = require('../../app/scripts/keyring-controller')
-var configManagerGen = require('../lib/mock-config-manager')
+const assert = require('assert')
+const KeyringController = require('../../app/scripts/keyring-controller')
+const configManagerGen = require('../lib/mock-config-manager')
 const ethUtil = require('ethereumjs-util')
 const BN = ethUtil.BN
 const async = require('async')
@@ -55,17 +55,16 @@ describe('KeyringController', function() {
     this.timeout(10000)
 
     it('should set a vault on the configManager', function(done) {
-      keyringController.configManager.setVault(null)
-      assert(!keyringController.configManager.getVault(), 'no previous vault')
+      keyringController.store.updateState({ vault: null })
+      assert(!keyringController.store.getState().vault, 'no previous vault')
       keyringController.createNewVaultAndKeychain(password)
       .then(() => {
-        const vault = keyringController.configManager.getVault()
+        const vault = keyringController.store.getState().vault
         assert(vault, 'vault created')
         done()
       })
       .catch((reason) => {
-        assert.ifError(reason)
-        done()
+        done(reason)
       })
     })
   })
@@ -96,8 +95,7 @@ describe('KeyringController', function() {
         done()
       })
       .catch((reason) => {
-        assert.ifError(reason)
-        done()
+        done(reason)
       })
     })
   })
@@ -109,9 +107,6 @@ describe('KeyringController', function() {
       const identities = keyringController.identities
       const identity = identities[fakeAddress]
       assert.equal(identity.address, fakeAddress)
-
-      const nick = keyringController.configManager.nicknameForWallet(fakeAddress)
-      assert.equal(typeof nick, 'string')
     })
   })
 
@@ -122,34 +117,17 @@ describe('KeyringController', function() {
       keyringController.identities[ethUtil.addHexPrefix(account)] = {}
       keyringController.saveAccountLabel(account, nick)
       .then((label) => {
-        assert.equal(label, nick)
-        const persisted = keyringController.configManager.nicknameForWallet(account)
-        assert.equal(persisted, nick)
-        done()
-      })
-      .catch((reason) => {
-        assert.ifError(reason)
-        done()
-      })
-    })
-
-    this.timeout(10000)
-    it('retrieves the persisted nickname', function(done) {
-      const account = addresses[0]
-      var nick = 'Test nickname'
-      keyringController.configManager.setNicknameForWallet(account, nick)
-      keyringController.createNewVaultAndRestore(password, seedWords)
-      .then((state) => {
-
-        const identity = keyringController.identities['0x' + account]
-        assert.equal(identity.name, nick)
-
-        assert(accounts)
-        done()
+        try {
+          assert.equal(label, nick)
+          const persisted = keyringController.store.getState().walletNicknames[account]
+          assert.equal(persisted, nick)
+          done()
+        } catch (err) {
+          done()
+        }
       })
       .catch((reason) => {
-        assert.ifError(reason)
-        done()
+        done(reason)
       })
     })
   })
diff --git a/ui/app/account-detail.js b/ui/app/account-detail.js
index 387a1720a..0bcfbcaab 100644
--- a/ui/app/account-detail.js
+++ b/ui/app/account-detail.js
@@ -41,6 +41,7 @@ function AccountDetailScreen () {
 AccountDetailScreen.prototype.render = function () {
   var props = this.props
   var selected = props.address || Object.keys(props.accounts)[0]
+  var checksumAddress = selected && ethUtil.toChecksumAddress(selected)
   var identity = props.identities[selected]
   var account = props.accounts[selected]
   const { network } = props
@@ -116,7 +117,7 @@ AccountDetailScreen.prototype.render = function () {
                   marginBottom: '15px',
                   color: '#AEAEAE',
                 },
-              }, ethUtil.toChecksumAddress(selected)),
+              }, checksumAddress),
 
               // copy and export
 
@@ -129,7 +130,7 @@ AccountDetailScreen.prototype.render = function () {
                 h(AccountInfoLink, { selected, network }),
 
                 h(CopyButton, {
-                  value: ethUtil.toChecksumAddress(selected),
+                  value: checksumAddress,
                 }),
 
                 h(Tooltip, {
diff --git a/ui/app/accounts/account-list-item.js b/ui/app/accounts/account-list-item.js
index 16019c88a..74ecef07f 100644
--- a/ui/app/accounts/account-list-item.js
+++ b/ui/app/accounts/account-list-item.js
@@ -17,6 +17,7 @@ function AccountListItem () {
 AccountListItem.prototype.render = function () {
   const { identity, selectedAccount, accounts, onShowDetail } = this.props
 
+  const checksumAddress = identity && identity.address && ethUtil.toChecksumAddress(identity.address)
   const isSelected = selectedAccount === identity.address
   const account = accounts[identity.address]
   const selectedClass = isSelected ? '.selected' : ''
@@ -48,7 +49,7 @@ AccountListItem.prototype.render = function () {
             overflow: 'hidden',
             textOverflow: 'ellipsis',
           },
-        }, ethUtil.toChecksumAddress(identity.address)),
+        }, checksumAddress),
         h(EthBalance, {
           value: account && account.balance,
           style: {
@@ -65,7 +66,7 @@ AccountListItem.prototype.render = function () {
         },
       }, [
         h(CopyButton, {
-          value: ethUtil.toChecksumAddress(identity.address),
+          value: checksumAddress,
         }),
       ]),
     ])
diff --git a/ui/app/first-time/init-menu.js b/ui/app/first-time/init-menu.js
index 152d28809..cc7c51bd3 100644
--- a/ui/app/first-time/init-menu.js
+++ b/ui/app/first-time/init-menu.js
@@ -152,7 +152,6 @@ InitializeMenuScreen.prototype.createNewVaultAndKeychain = function () {
   var password = passwordBox.value
   var passwordConfirmBox = document.getElementById('password-box-confirm')
   var passwordConfirm = passwordConfirmBox.value
-  // var entropy = document.getElementById('entropy-text-entry').value
 
   if (password.length < 8) {
     this.warning = 'password not long enough'