Delete ConfigManager, replacing its usages with PreferencesController

10 files changed, 73 insertions, 488 deletions

diff --git a/app/scripts/controllers/preferences.js b/app/scripts/controllers/preferences.js
index 464a37017..928ebdf1f 100644
--- a/app/scripts/controllers/preferences.js
+++ b/app/scripts/controllers/preferences.js
@@ -36,6 +36,8 @@ class PreferencesController {
       currentLocale: opts.initLangCode,
       identities: {},
       lostIdentities: {},
+      seedWords: null,
+      forgottenPassword: false,
     }, opts.initState)
 
     this.diagnostics = opts.diagnostics
@@ -47,6 +49,22 @@ class PreferencesController {
 // PUBLIC METHODS
 
   /**
+   * Sets the {@code forgottenPassword} state property
+   * @param {boolean} forgottenPassword whether or not the user has forgotten their password
+   */
+  setPasswordForgotten (forgottenPassword) {
+    this.store.updateState({ forgottenPassword })
+  }
+
+  /**
+   * Sets the {@code seedWords} seed words
+   * @param {string|null} seedWords the seed words
+   */
+  setSeedWords (seedWords) {
+    this.store.updateState({ seedWords })
+  }
+
+  /**
    * Setter for the `useBlockie` property
    *
    * @param {boolean} val Whether or not the user prefers blockie indicators
diff --git a/app/scripts/lib/config-manager.js b/app/scripts/lib/config-manager.js
deleted file mode 100644
index 221746467..000000000
--- a/app/scripts/lib/config-manager.js
+++ /dev/null
@@ -1,254 +0,0 @@
-const ethUtil = require('ethereumjs-util')
-const normalize = require('eth-sig-util').normalize
-const {
-  MAINNET_RPC_URL,
-  ROPSTEN_RPC_URL,
-  KOVAN_RPC_URL,
-  RINKEBY_RPC_URL,
-} = require('../controllers/network/enums')
-
-/* The config-manager is a convenience object
- * wrapping a pojo-migrator.
- *
- * It exists mostly to allow the creation of
- * convenience methods to access and persist
- * particular portions of the state.
- */
-module.exports = ConfigManager
-function ConfigManager (opts) {
-  // ConfigManager is observable and will emit updates
-  this._subs = []
-  this.store = opts.store
-}
-
-ConfigManager.prototype.setConfig = function (config) {
-  var data = this.getData()
-  data.config = config
-  this.setData(data)
-  this._emitUpdates(config)
-}
-
-ConfigManager.prototype.getConfig = function () {
-  var data = this.getData()
-  return data.config
-}
-
-ConfigManager.prototype.setData = function (data) {
-  this.store.putState(data)
-}
-
-ConfigManager.prototype.getData = function () {
-  return this.store.getState()
-}
-
-ConfigManager.prototype.setPasswordForgotten = function (passwordForgottenState) {
-  const data = this.getData()
-  data.forgottenPassword = passwordForgottenState
-  this.setData(data)
-}
-
-ConfigManager.prototype.getPasswordForgotten = function (passwordForgottenState) {
-  const data = this.getData()
-  return data.forgottenPassword
-}
-
-ConfigManager.prototype.setWallet = function (wallet) {
-  var data = this.getData()
-  data.wallet = wallet
-  this.setData(data)
-}
-
-ConfigManager.prototype.setVault = function (encryptedString) {
-  var data = this.getData()
-  data.vault = encryptedString
-  this.setData(data)
-}
-
-ConfigManager.prototype.getVault = function () {
-  var data = this.getData()
-  return data.vault
-}
-
-ConfigManager.prototype.getKeychains = function () {
-  return this.getData().keychains || []
-}
-
-ConfigManager.prototype.setKeychains = function (keychains) {
-  var data = this.getData()
-  data.keychains = keychains
-  this.setData(data)
-}
-
-ConfigManager.prototype.getSelectedAccount = function () {
-  var config = this.getConfig()
-  return config.selectedAccount
-}
-
-ConfigManager.prototype.setSelectedAccount = function (address) {
-  var config = this.getConfig()
-  config.selectedAccount = ethUtil.addHexPrefix(address)
-  this.setConfig(config)
-}
-
-ConfigManager.prototype.getWallet = function () {
-  return this.getData().wallet
-}
-
-// Takes a boolean
-ConfigManager.prototype.setShowSeedWords = function (should) {
-  var data = this.getData()
-  data.showSeedWords = should
-  this.setData(data)
-}
-
-
-ConfigManager.prototype.getShouldShowSeedWords = function () {
-  var data = this.getData()
-  return data.showSeedWords
-}
-
-ConfigManager.prototype.setSeedWords = function (words) {
-  var data = this.getData()
-  data.seedWords = words
-  this.setData(data)
-}
-
-ConfigManager.prototype.getSeedWords = function () {
-  var data = this.getData()
-  return data.seedWords
-}
-ConfigManager.prototype.setRpcTarget = function (rpcUrl) {
-  var config = this.getConfig()
-  config.provider = {
-    type: 'rpc',
-    rpcTarget: rpcUrl,
-  }
-  this.setConfig(config)
-}
-
-ConfigManager.prototype.setProviderType = function (type) {
-  var config = this.getConfig()
-  config.provider = {
-    type: type,
-  }
-  this.setConfig(config)
-}
-
-ConfigManager.prototype.useEtherscanProvider = function () {
-  var config = this.getConfig()
-  config.provider = {
-    type: 'etherscan',
-  }
-  this.setConfig(config)
-}
-
-ConfigManager.prototype.getProvider = function () {
-  var config = this.getConfig()
-  return config.provider
-}
-
-ConfigManager.prototype.getCurrentRpcAddress = function () {
-  var provider = this.getProvider()
-  if (!provider) return null
-  switch (provider.type) {
-
-    case 'mainnet':
-      return MAINNET_RPC_URL
-
-    case 'ropsten':
-      return ROPSTEN_RPC_URL
-
-    case 'kovan':
-      return KOVAN_RPC_URL
-
-    case 'rinkeby':
-      return RINKEBY_RPC_URL
-
-    default:
-      return provider && provider.rpcTarget ? provider.rpcTarget : RINKEBY_RPC_URL
-  }
-}
-
-//
-// Tx
-//
-
-ConfigManager.prototype.getTxList = function () {
-  var data = this.getData()
-  if (data.transactions !== undefined) {
-    return data.transactions
-  } else {
-    return []
-  }
-}
-
-ConfigManager.prototype.setTxList = function (txList) {
-  var data = this.getData()
-  data.transactions = txList
-  this.setData(data)
-}
-
-
-// wallet nickname methods
-
-ConfigManager.prototype.getWalletNicknames = function () {
-  var data = this.getData()
-  const nicknames = ('walletNicknames' in data) ? data.walletNicknames : {}
-  return nicknames
-}
-
-ConfigManager.prototype.nicknameForWallet = function (account) {
-  const address = normalize(account)
-  const nicknames = this.getWalletNicknames()
-  return nicknames[address]
-}
-
-ConfigManager.prototype.setNicknameForWallet = function (account, nickname) {
-  const address = normalize(account)
-  const nicknames = this.getWalletNicknames()
-  nicknames[address] = nickname
-  var data = this.getData()
-  data.walletNicknames = nicknames
-  this.setData(data)
-}
-
-// observable
-
-ConfigManager.prototype.getSalt = function () {
-  var data = this.getData()
-  return data.salt
-}
-
-ConfigManager.prototype.setSalt = function (salt) {
-  var data = this.getData()
-  data.salt = salt
-  this.setData(data)
-}
-
-ConfigManager.prototype.subscribe = function (fn) {
-  this._subs.push(fn)
-  var unsubscribe = this.unsubscribe.bind(this, fn)
-  return unsubscribe
-}
-
-ConfigManager.prototype.unsubscribe = function (fn) {
-  var index = this._subs.indexOf(fn)
-  if (index !== -1) this._subs.splice(index, 1)
-}
-
-ConfigManager.prototype._emitUpdates = function (state) {
-  this._subs.forEach(function (handler) {
-    handler(state)
-  })
-}
-
-ConfigManager.prototype.setLostAccounts = function (lostAccounts) {
-  var data = this.getData()
-  data.lostAccounts = lostAccounts
-  this.setData(data)
-}
-
-ConfigManager.prototype.getLostAccounts = function () {
-  var data = this.getData()
-  return data.lostAccounts || []
-}
diff --git a/app/scripts/metamask-controller.js b/app/scripts/metamask-controller.js
index 3ab256314..f9a12628b 100644
--- a/app/scripts/metamask-controller.js
+++ b/app/scripts/metamask-controller.js
@@ -36,7 +36,6 @@ const TransactionController = require('./controllers/transactions')
 const BalancesController = require('./controllers/computed-balances')
 const TokenRatesController = require('./controllers/token-rates')
 const DetectTokensController = require('./controllers/detect-tokens')
-const ConfigManager = require('./lib/config-manager')
 const nodeify = require('./lib/nodeify')
 const accountImporter = require('./account-import-strategies')
 const getBuyEthUrl = require('./lib/buy-eth-url')
@@ -83,11 +82,6 @@ module.exports = class MetamaskController extends EventEmitter {
     // network store
     this.networkController = new NetworkController(initState.NetworkController)
 
-    // config manager
-    this.configManager = new ConfigManager({
-      store: this.store,
-    })
-
     // preferences controller
     this.preferencesController = new PreferencesController({
       initState: initState.PreferencesController,
@@ -314,18 +308,15 @@ module.exports = class MetamaskController extends EventEmitter {
    * @returns {Object} status
    */
   getState () {
-    const wallet = this.configManager.getWallet()
     const vault = this.keyringController.store.getState().vault
-    const isInitialized = (!!wallet || !!vault)
+    const isInitialized = !!vault
 
     return {
       ...{ isInitialized },
       ...this.memStore.getFlatState(),
-      ...this.configManager.getConfig(),
       ...{
-        lostAccounts: this.configManager.getLostAccounts(),
-        seedWords: this.configManager.getSeedWords(),
-        forgottenPassword: this.configManager.getPasswordForgotten(),
+        // TODO: Remove usages of lost accounts
+        lostAccounts: [],
       },
     }
   }
@@ -727,7 +718,7 @@ module.exports = class MetamaskController extends EventEmitter {
 
     this.verifySeedPhrase()
       .then((seedWords) => {
-        this.configManager.setSeedWords(seedWords)
+        this.preferencesController.setSeedWords(seedWords)
         return cb(null, seedWords)
       })
       .catch((err) => {
@@ -776,7 +767,7 @@ module.exports = class MetamaskController extends EventEmitter {
    * @param {function} cb Callback function called with the current address.
    */
   clearSeedWordCache (cb) {
-    this.configManager.setSeedWords(null)
+    this.preferencesController.setSeedWords(null)
     cb(null, this.preferencesController.getSelectedAddress())
   }
 
@@ -1037,36 +1028,17 @@ module.exports = class MetamaskController extends EventEmitter {
   /**
    * A legacy method used to record user confirmation that they understand
    * that some of their accounts have been recovered but should be backed up.
+   * This function no longer does anything and will be removed.
    *
    * @deprecated
    * @param {Function} cb - A callback function called with a full state update.
    */
   markAccountsFound (cb) {
-    this.configManager.setLostAccounts([])
-    this.sendUpdate()
+    // TODO Remove me
     cb(null, this.getState())
   }
 
   /**
-   * A legacy method (probably dead code) that was used when we swapped out our
-   * key management library that we depended on.
-   *
-   * Described in:
-   * https://medium.com/metamask/metamask-3-migration-guide-914b79533cdd
-   *
-   * @deprecated
-   * @param  {} migratorOutput
-   */
-  restoreOldLostAccounts (migratorOutput) {
-    const { lostAccounts } = migratorOutput
-    if (lostAccounts) {
-      this.configManager.setLostAccounts(lostAccounts.map(acct => acct.address))
-      return this.importLostAccounts(migratorOutput)
-    }
-    return Promise.resolve(migratorOutput)
-  }
-
-  /**
    * An account object
    * @typedef Account
    * @property string privateKey - The private key of the account.
@@ -1144,7 +1116,7 @@ module.exports = class MetamaskController extends EventEmitter {
    * @param {Function} cb - A callback function called when complete.
    */
   markPasswordForgotten (cb) {
-    this.configManager.setPasswordForgotten(true)
+    this.preferencesController.setPasswordForgotten(true)
     this.sendUpdate()
     cb()
   }
@@ -1154,7 +1126,7 @@ module.exports = class MetamaskController extends EventEmitter {
    * @param {Function} cb - A callback function called when complete.
    */
   unMarkPasswordForgotten (cb) {
-    this.configManager.setPasswordForgotten(false)
+    this.preferencesController.setPasswordForgotten(false)
     this.sendUpdate()
     cb()
   }
diff --git a/app/scripts/migrations/_multi-keyring.js b/app/scripts/migrations/_multi-keyring.js
deleted file mode 100644
index 7a4578ea7..000000000
--- a/app/scripts/migrations/_multi-keyring.js
+++ /dev/null
@@ -1,50 +0,0 @@
-const version = 5
-
-/*
-
-This is an incomplete migration bc it requires post-decrypted data
-which we dont have access to at the time of this writing.
-
-*/
-
-const ObservableStore = require('obs-store')
-const ConfigManager = require('../../app/scripts/lib/config-manager')
-const IdentityStoreMigrator = require('../../app/scripts/lib/idStore-migrator')
-const KeyringController = require('eth-keyring-controller')
-
-const password = 'obviously not correct'
-
-module.exports = {
-  version,
-
-  migrate: function (versionedData) {
-    versionedData.meta.version = version
-
-    const store = new ObservableStore(versionedData.data)
-    const configManager = new ConfigManager({ store })
-    const idStoreMigrator = new IdentityStoreMigrator({ configManager })
-    const keyringController = new KeyringController({
-      configManager: configManager,
-    })
-
-    // attempt to migrate to multiVault
-    return idStoreMigrator.migratedVaultForPassword(password)
-    .then((result) => {
-      // skip if nothing to migrate
-      if (!result) return Promise.resolve(versionedData)
-      delete versionedData.data.wallet
-      // create new keyrings
-      const privKeys = result.lostAccounts.map(acct => acct.privateKey)
-      return Promise.all([
-        keyringController.restoreKeyring(result.serialized),
-        keyringController.restoreKeyring({ type: 'Simple Key Pair', data: privKeys }),
-      ]).then(() => {
-        return keyringController.persistAllKeyrings(password)
-      }).then(() => {
-        // copy result on to state object
-        versionedData.data = store.get()
-        return Promise.resolve(versionedData)
-      })
-    })
-  },
-}
diff --git a/docs/adding-new-networks.md b/docs/adding-new-networks.md
index ea1453c21..b74233fa6 100644
--- a/docs/adding-new-networks.md
+++ b/docs/adding-new-networks.md
@@ -5,7 +5,6 @@ To add another network to our dropdown menu, make sure the following files are a
 ```
 app/scripts/config.js
 app/scripts/lib/buy-eth-url.js
-app/scripts/lib/config-manager.js
 ui/app/app.js
 ui/app/components/buy-button-subview.js
 ui/app/components/drop-menu-item.js
diff --git a/test/lib/mock-config-manager.js b/test/lib/mock-config-manager.js
deleted file mode 100644
index 0cc6953bb..000000000
--- a/test/lib/mock-config-manager.js
+++ /dev/null
@@ -1,9 +0,0 @@
-const ObservableStore = require('obs-store')
-const clone = require('clone')
-const ConfigManager = require('../../app/scripts/lib/config-manager')
-const firstTimeState = require('../../app/scripts/first-time-state')
-
-module.exports = function () {
-  const store = new ObservableStore(clone(firstTimeState))
-  return new ConfigManager({ store })
-}
diff --git a/test/unit/app/controllers/metamask-controller-test.js b/test/unit/app/controllers/metamask-controller-test.js
index 85c78fe1e..e7a28bedb 100644
--- a/test/unit/app/controllers/metamask-controller-test.js
+++ b/test/unit/app/controllers/metamask-controller-test.js
@@ -584,22 +584,18 @@ describe('MetaMaskController', function () {
   })
 
   describe('#clearSeedWordCache', function () {
+    it('should set seed words to null', function (done) {
+      sandbox.stub(metamaskController.preferencesController, 'setSeedWords')
+      metamaskController.clearSeedWordCache((err) => {
+        if (err) {
+          done(err)
+        }
 
-    it('should have set seed words', function () {
-      metamaskController.configManager.setSeedWords('test words')
-      const getConfigSeed = metamaskController.configManager.getSeedWords()
-      assert.equal(getConfigSeed, 'test words')
-    })
-
-    it('should clear config seed phrase', function () {
-      metamaskController.configManager.setSeedWords('test words')
-      metamaskController.clearSeedWordCache((err, result) => {
-        if (err) console.log(err)
+        assert.ok(metamaskController.preferencesController.setSeedWords.calledOnce)
+        assert.deepEqual(metamaskController.preferencesController.setSeedWords.args, [[null]])
+        done()
       })
-      const getConfigSeed = metamaskController.configManager.getSeedWords()
-      assert.equal(getConfigSeed, null)
     })
-
   })
 
   describe('#setCurrentLocale', function () {
@@ -793,24 +789,24 @@ describe('MetaMaskController', function () {
   describe('#markAccountsFound', function () {
     it('adds lost accounts to config manager data', function () {
       metamaskController.markAccountsFound(noop)
-      const configManagerData = metamaskController.configManager.getData()
-      assert.deepEqual(configManagerData.lostAccounts, [])
+      const state = metamaskController.getState()
+      assert.deepEqual(state.lostAccounts, [])
     })
   })
 
   describe('#markPasswordForgotten', function () {
     it('adds and sets forgottenPassword to config data to true', function () {
       metamaskController.markPasswordForgotten(noop)
-      const configManagerData = metamaskController.configManager.getData()
-      assert.equal(configManagerData.forgottenPassword, true)
+      const state = metamaskController.getState()
+      assert.equal(state.forgottenPassword, true)
     })
   })
 
   describe('#unMarkPasswordForgotten', function () {
     it('adds and sets forgottenPassword to config data to false', function () {
       metamaskController.unMarkPasswordForgotten(noop)
-      const configManagerData = metamaskController.configManager.getData()
-      assert.equal(configManagerData.forgottenPassword, false)
+      const state = metamaskController.getState()
+      assert.equal(state.forgottenPassword, false)
     })
   })
 
diff --git a/test/unit/app/controllers/notice-controller-test.js b/test/unit/app/controllers/notice-controller-test.js
index b3ae75080..5e6ae9ac5 100644
--- a/test/unit/app/controllers/notice-controller-test.js
+++ b/test/unit/app/controllers/notice-controller-test.js
@@ -1,16 +1,11 @@
 const assert = require('assert')
-const configManagerGen = require('../../../lib/mock-config-manager')
 const NoticeController = require('../../../../app/scripts/notice-controller')
 
 describe('notice-controller', function () {
   var noticeController
 
   beforeEach(function () {
-    // simple localStorage polyfill
-    const configManager = configManagerGen()
-    noticeController = new NoticeController({
-      configManager: configManager,
-    })
+    noticeController = new NoticeController({})
   })
 
   describe('notices', function () {
diff --git a/test/unit/app/controllers/preferences-controller-test.js b/test/unit/app/controllers/preferences-controller-test.js
index 2c261be90..b5ccf3fb5 100644
--- a/test/unit/app/controllers/preferences-controller-test.js
+++ b/test/unit/app/controllers/preferences-controller-test.js
@@ -449,5 +449,35 @@ describe('preferences controller', function () {
       assert.ok(assetImages[address], `set image correctly`)
     })
   })
+
+  describe('setPasswordForgotten', function () {
+    it('should default to false', function () {
+      const state = preferencesController.store.getState()
+      assert.equal(state.forgottenPassword, false)
+    })
+
+    it('should set the forgottenPassword property in state', function () {
+      assert.equal(preferencesController.store.getState().forgottenPassword, false)
+
+      preferencesController.setPasswordForgotten(true)
+
+      assert.equal(preferencesController.store.getState().forgottenPassword, true)
+    })
+  })
+
+  describe('setSeedWords', function () {
+    it('should default to null', function () {
+      const state = preferencesController.store.getState()
+      assert.equal(state.seedWords, null)
+    })
+
+    it('should set the seedWords property in state', function () {
+      assert.equal(preferencesController.store.getState().seedWords, null)
+
+      preferencesController.setSeedWords('foo bar baz')
+
+      assert.equal(preferencesController.store.getState().seedWords, 'foo bar baz')
+    })
+  })
 })
 
diff --git a/test/unit/config-manager-test.js b/test/unit/config-manager-test.js
deleted file mode 100644
index df0c549d0..000000000
--- a/test/unit/config-manager-test.js
+++ /dev/null
@@ -1,112 +0,0 @@
-const assert = require('assert')
-const configManagerGen = require('../lib/mock-config-manager')
-
-describe('config-manager', function () {
-  var configManager
-
-  beforeEach(function () {
-    configManager = configManagerGen()
-  })
-
-  describe('#setConfig', function () {
-    it('should set the config key', function () {
-      var testConfig = {
-        provider: {
-          type: 'rpc',
-          rpcTarget: 'foobar',
-        },
-      }
-      configManager.setConfig(testConfig)
-      var result = configManager.getData()
-
-      assert.equal(result.config.provider.type, testConfig.provider.type)
-      assert.equal(result.config.provider.rpcTarget, testConfig.provider.rpcTarget)
-    })
-
-    it('setting wallet should not overwrite config', function () {
-      var testConfig = {
-        provider: {
-          type: 'rpc',
-          rpcTarget: 'foobar',
-        },
-      }
-      configManager.setConfig(testConfig)
-
-      var testWallet = {
-        name: 'this is my fake wallet',
-      }
-      configManager.setWallet(testWallet)
-
-      var result = configManager.getData()
-      assert.equal(result.wallet.name, testWallet.name, 'wallet name is set')
-      assert.equal(result.config.provider.rpcTarget, testConfig.provider.rpcTarget)
-
-      testConfig.provider.type = 'something else!'
-      configManager.setConfig(testConfig)
-
-      result = configManager.getData()
-      assert.equal(result.wallet.name, testWallet.name, 'wallet name is set')
-      assert.equal(result.config.provider.rpcTarget, testConfig.provider.rpcTarget)
-      assert.equal(result.config.provider.type, testConfig.provider.type)
-    })
-  })
-
-  describe('wallet nicknames', function () {
-    it('should return null when no nicknames are saved', function () {
-      var nick = configManager.nicknameForWallet('0x0')
-      assert.equal(nick, null, 'no nickname returned')
-    })
-
-    it('should persist nicknames', function () {
-      var account = '0x0'
-      var nick1 = 'foo'
-      var nick2 = 'bar'
-      configManager.setNicknameForWallet(account, nick1)
-
-      var result1 = configManager.nicknameForWallet(account)
-      assert.equal(result1, nick1)
-
-      configManager.setNicknameForWallet(account, nick2)
-      var result2 = configManager.nicknameForWallet(account)
-      assert.equal(result2, nick2)
-    })
-  })
-
-  describe('rpc manipulations', function () {
-    it('changing rpc should return a different rpc', function () {
-      var firstRpc = 'first'
-      var secondRpc = 'second'
-
-      configManager.setRpcTarget(firstRpc)
-      var firstResult = configManager.getCurrentRpcAddress()
-      assert.equal(firstResult, firstRpc)
-
-      configManager.setRpcTarget(secondRpc)
-      var secondResult = configManager.getCurrentRpcAddress()
-      assert.equal(secondResult, secondRpc)
-    })
-  })
-
-  describe('transactions', function () {
-    beforeEach(function () {
-      configManager.setTxList([])
-    })
-
-    describe('#getTxList', function () {
-      it('when new should return empty array', function () {
-        var result = configManager.getTxList()
-        assert.ok(Array.isArray(result))
-        assert.equal(result.length, 0)
-      })
-    })
-
-    describe('#setTxList', function () {
-      it('saves the submitted data to the tx list', function () {
-        var target = [{ foo: 'bar' }]
-        configManager.setTxList(target)
-        var result = configManager.getTxList()
-        assert.equal(result[0].foo, 'bar')
-      })
-    })
-  })
-})