Merge pull request #5084 from MetaMask/ledger-support-without-provider

Ledger support (in case of rollback)

4 files changed, 84 insertions, 94 deletions

diff --git a/app/_locales/en/messages.json b/app/_locales/en/messages.json
index ddfcf6f12..a25a2bd59 100644
--- a/app/_locales/en/messages.json
+++ b/app/_locales/en/messages.json
@@ -119,8 +119,8 @@
   "close": {
     "message": "Close"
   },
-  "chromeRequiredForTrezor":{
-    "message": "You need to use MetaMask on Google Chrome in order to connect to your TREZOR device."
+  "chromeRequiredForHardwareWallets":{
+    "message": "You need to use MetaMask on Google Chrome in order to connect to your Hardware Wallet."
   },
   "confirm": {
     "message": "Confirm"
@@ -146,15 +146,12 @@
   "connecting": {
     "message": "Connecting..."
   },
+  "connectToLedger": {
+    "message": "Connect to Ledger"
+  },
   "connectToTrezor": {
     "message": "Connect to Trezor"
   },
-  "connectToTrezorHelp": {
-    "message": "MetaMask is able to access your TREZOR Ethereum accounts. First make sure your device is connected and unlocked."
-  },
-  "connectToTrezorTrouble": {
-    "message": "If you are having trouble, please make sure you are using the latest version of the TREZOR firmware."
-  },
   "continue": {
     "message": "Continue"
   },
@@ -289,8 +286,8 @@
   "downloadStateLogs": {
     "message": "Download State Logs"
   },
-  "dontHaveATrezorWallet": {
-    "message": "Don't have a TREZOR hardware wallet?"
+  "dontHaveAHardwareWallet": {
+    "message": "Don’t have a hardware wallet?"
   },
   "dropped": {
     "message": "Dropped"
@@ -426,11 +423,11 @@
   "hardwareWalletConnected": {
     "message": "Hardware wallet connected"
   },
-  "hardwareSupport": {
-    "message": "Hardware Support"
+  "hardwareWallets": {
+    "message": "Connect a hardware wallet"
   },
-  "hardwareSupportMsg": {
-    "message": "You can now view your Hardware accounts in MetaMask!  Scroll down and read how it works."
+  "hardwareWalletsMsg": {
+    "message": "Select a hardware wallet you'd like to use with MetaMask"
   },
   "havingTroubleConnecting": {
     "message": "Having trouble connecting?"
@@ -538,6 +535,9 @@
   "learnMore": {
     "message": "Learn more"
   },
+  "ledgerAccountRestriction": {
+    "message": "You need to make use your last account before you can add a new one."
+  },
   "lessThanMax": {
     "message": "must be less than or equal to $1.",
     "description": "helper for inputting hex as decimal input"
@@ -908,7 +908,7 @@
     "description": "displays token symbol"
   },
   "orderOneHere": {
-    "message": "Order one here."
+    "message": "Order a Trezor or Ledger and keep your funds in cold storage"
   },
   "searchTokens": {
     "message": "Search Tokens"
@@ -920,7 +920,13 @@
     "message": "Select an Account"
   },
   "selectAnAccountHelp": {
-    "message": "These are the accounts available in your hardware wallet. Select the one you’d like to use in MetaMask."
+    "message": "Select the account to view in MetaMask"
+  },
+  "selectHdPath": {
+    "message": "Select HD Path"
+  },
+  "selectPathHelp": {
+    "message": "If you don't see your existing Ledger accounts below, try switching paths to \"Legacy (MEW / MyCrypto)\""
   },
   "sendTokensAnywhere": {
     "message": "Send Tokens to anyone with an Ethereum account"
diff --git a/app/images/ledger-logo.svg b/app/images/ledger-logo.svg
new file mode 100644
index 000000000..21b99d0e5
--- /dev/null
+++ b/app/images/ledger-logo.svg
@@ -0,0 +1 @@
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\ No newline at end of file
diff --git a/app/images/trezor-logo.svg b/app/images/trezor-logo.svg
new file mode 100644
index 000000000..b8d85e3af
--- /dev/null
+++ b/app/images/trezor-logo.svg
@@ -0,0 +1 @@
+<svg id="trezor" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 2567.5 722.3" width="2567.5" height="722.3"><style>.st0{display:none;fill:#fff;stroke:#000}</style><path id="rect25" class="st0" d="M1186 2932.6h46.2v147H1186v-147z"/><path id="path7" d="M249 0C149.9 0 69.7 80.2 69.7 179.3v67.2C34.9 252.8 0 261.2 0 272.1v350.7s0 9.7 10.9 14.3c39.5 16 194.9 71 230.6 83.6 4.6 1.7 5.9 1.7 7.1 1.7 1.7 0 2.5 0 7.1-1.7 35.7-12.6 191.5-67.6 231-83.6 10.1-4.2 10.5-13.9 10.5-13.9V272.1c0-10.9-34.4-19.7-69.3-25.6v-67.2C428.4 80.2 347.7 0 249 0zm0 85.7c58.4 0 93.7 35.3 93.7 93.7v58.4c-65.5-4.6-121.4-4.6-187.3 0v-58.4c0-58.5 35.3-93.7 93.6-93.7zm-.4 238.1c81.5 0 149.9 6.3 149.9 17.6v218.8c0 3.4-.4 3.8-3.4 5-2.9 1.3-139 50.4-139 50.4s-5.5 1.7-7.1 1.7c-1.7 0-7.1-2.1-7.1-2.1s-136.1-49.1-139-50.4-3.4-1.7-3.4-5V341c-.8-11.3 67.6-17.2 149.1-17.2z"/><g id="g3222" transform="translate(91.363 -287.434) scale(.95575)"><path id="path13" d="M666.6 890V639.3H575v-89.9h285.6v89.9h-90.7V890H666.6z"/><path id="path15" d="M1092 890l-47-107.1h-37.4V890H904.3V549.4h181.8c79.8 0 122.6 52.9 122.6 116.7 0 58.8-34 89.9-61.3 103.3l61.7 120.5H1092zm12.2-223.9c0-18.5-16.4-26.5-33.6-26.5h-63v53.8h63c17.2-.4 33.6-8.4 33.6-27.3z"/><path id="path17" d="M1262.9 890V549.4h258.3v89.9h-155.4v33.6h151.6v89.9h-151.6v37.4h155.4V890h-258.3z"/><path id="path19" d="M1574.9 890.4v-81.9l129.8-168.8h-129.8v-89.9h265.8v81.1l-130.2 169.7h134v89.9l-269.6-.1z"/><path id="path21" d="M1869.7 720.3c0-104.6 81.1-176.4 186.5-176.4 105 0 186.5 71.4 186.5 176.4 0 104.6-81.1 176-186.5 176s-186.5-71.4-186.5-176zm268 0c0-47.5-32.3-85.3-81.9-85.3-49.6 0-81.9 37.8-81.9 85.3s32.3 85.3 81.9 85.3c50 0 81.9-37.8 81.9-85.3z"/><path id="path23" d="M2473.6 890.4l-47-107.1h-37.4v107.1h-103.3V549.8h181.8c79.8 0 122.6 52.9 122.6 116.7 0 58.8-34 89.9-61.3 103.3l61.7 120.5h-117.1zm12.6-224.3c0-18.5-16.4-26.5-33.6-26.5h-63v53.8h63c17.3-.4 33.6-8.4 33.6-27.3z"/></g></svg>
\ No newline at end of file
diff --git a/app/scripts/metamask-controller.js b/app/scripts/metamask-controller.js
index db323e3fe..1e1aa035f 100644
--- a/app/scripts/metamask-controller.js
+++ b/app/scripts/metamask-controller.js
@@ -49,6 +49,7 @@ const seedPhraseVerifier = require('./lib/seed-phrase-verifier')
 const cleanErrorStack = require('./lib/cleanErrorStack')
 const log = require('loglevel')
 const TrezorKeyring = require('eth-trezor-keyring')
+const LedgerBridgeKeyring = require('eth-ledger-bridge-keyring')
 
 module.exports = class MetamaskController extends EventEmitter {
 
@@ -127,7 +128,7 @@ module.exports = class MetamaskController extends EventEmitter {
     })
 
     // key mgmt
-    const additionalKeyrings = [TrezorKeyring]
+    const additionalKeyrings = [TrezorKeyring, LedgerBridgeKeyring]
     this.keyringController = new KeyringController({
       keyringTypes: additionalKeyrings,
       initState: initState.KeyringController,
@@ -377,9 +378,7 @@ module.exports = class MetamaskController extends EventEmitter {
       connectHardware: nodeify(this.connectHardware, this),
       forgetDevice: nodeify(this.forgetDevice, this),
       checkHardwareStatus: nodeify(this.checkHardwareStatus, this),
-
-      // TREZOR
-      unlockTrezorAccount: nodeify(this.unlockTrezorAccount, this),
+      unlockHardwareWalletAccount: nodeify(this.unlockHardwareWalletAccount, this),
 
       // vault management
       submitPassword: nodeify(this.submitPassword, this),
@@ -540,45 +539,57 @@ module.exports = class MetamaskController extends EventEmitter {
   // Hardware
   //
 
+  async getKeyringForDevice (deviceName, hdPath = null) {
+    let keyringName = null
+    switch (deviceName) {
+      case 'trezor':
+        keyringName = TrezorKeyring.type
+        break
+      case 'ledger':
+        keyringName = LedgerBridgeKeyring.type
+        break
+      default:
+        throw new Error('MetamaskController:getKeyringForDevice - Unknown device')
+    }
+    let keyring = await this.keyringController.getKeyringsByType(keyringName)[0]
+    if (!keyring) {
+      keyring = await this.keyringController.addNewKeyring(keyringName)
+    }
+    if (hdPath && keyring.setHdPath) {
+      keyring.setHdPath(hdPath)
+    }
+
+    keyring.network = this.networkController.getProviderConfig().type
+
+    return keyring
+
+  }
+
   /**
    * Fetch account list from a trezor device.
    *
    * @returns [] accounts
    */
-  async connectHardware (deviceName, page) {
-
-    switch (deviceName) {
-      case 'trezor':
-        const keyringController = this.keyringController
-        const oldAccounts = await keyringController.getAccounts()
-        let keyring = await keyringController.getKeyringsByType(
-          'Trezor Hardware'
-        )[0]
-        if (!keyring) {
-          keyring = await this.keyringController.addNewKeyring('Trezor Hardware')
-        }
-        let accounts = []
-
-        switch (page) {
-            case -1:
-              accounts = await keyring.getPreviousPage()
-              break
-            case 1:
-              accounts = await keyring.getNextPage()
-              break
-            default:
-              accounts = await keyring.getFirstPage()
-        }
-
-        // Merge with existing accounts
-        // and make sure addresses are not repeated
-        const accountsToTrack = [...new Set(oldAccounts.concat(accounts.map(a => a.address.toLowerCase())))]
-        this.accountTracker.syncWithAddresses(accountsToTrack)
-        return accounts
-
-      default:
-        throw new Error('MetamaskController:connectHardware - Unknown device')
+  async connectHardware (deviceName, page, hdPath) {
+    const keyring = await this.getKeyringForDevice(deviceName, hdPath)
+    let accounts = []
+    switch (page) {
+        case -1:
+          accounts = await keyring.getPreviousPage()
+          break
+        case 1:
+          accounts = await keyring.getNextPage()
+          break
+        default:
+          accounts = await keyring.getFirstPage()
     }
+
+    // Merge with existing accounts
+    // and make sure addresses are not repeated
+    const oldAccounts = await this.keyringController.getAccounts()
+    const accountsToTrack = [...new Set(oldAccounts.concat(accounts.map(a => a.address.toLowerCase())))]
+    this.accountTracker.syncWithAddresses(accountsToTrack)
+    return accounts
   }
 
   /**
@@ -586,21 +597,9 @@ module.exports = class MetamaskController extends EventEmitter {
    *
    * @returns {Promise<boolean>}
    */
-  async checkHardwareStatus (deviceName) {
-
-    switch (deviceName) {
-      case 'trezor':
-        const keyringController = this.keyringController
-        const keyring = await keyringController.getKeyringsByType(
-          'Trezor Hardware'
-        )[0]
-        if (!keyring) {
-          return false
-        }
-        return keyring.isUnlocked()
-      default:
-        throw new Error('MetamaskController:checkHardwareStatus - Unknown device')
-    }
+  async checkHardwareStatus (deviceName, hdPath) {
+    const keyring = await this.getKeyringForDevice(deviceName, hdPath)
+    return keyring.isUnlocked()
   }
 
   /**
@@ -610,20 +609,9 @@ module.exports = class MetamaskController extends EventEmitter {
    */
   async forgetDevice (deviceName) {
 
-    switch (deviceName) {
-      case 'trezor':
-        const keyringController = this.keyringController
-        const keyring = await keyringController.getKeyringsByType(
-          'Trezor Hardware'
-        )[0]
-        if (!keyring) {
-          throw new Error('MetamaskController:forgetDevice - Trezor Hardware keyring not found')
-        }
-        keyring.forgetDevice()
-        return true
-      default:
-        throw new Error('MetamaskController:forgetDevice - Unknown device')
-    }
+    const keyring = await this.getKeyringForDevice(deviceName)
+    keyring.forgetDevice()
+    return true
   }
 
   /**
@@ -631,23 +619,17 @@ module.exports = class MetamaskController extends EventEmitter {
    *
    * @returns {} keyState
    */
-  async unlockTrezorAccount (index) {
-    const keyringController = this.keyringController
-    const keyring = await keyringController.getKeyringsByType(
-      'Trezor Hardware'
-    )[0]
-    if (!keyring) {
-      throw new Error('MetamaskController - No Trezor Hardware Keyring found')
-    }
+  async unlockHardwareWalletAccount (index, deviceName, hdPath) {
+    const keyring = await this.getKeyringForDevice(deviceName, hdPath)
 
     keyring.setAccountToUnlock(index)
-    const oldAccounts = await keyringController.getAccounts()
-    const keyState = await keyringController.addNewAccount(keyring)
-    const newAccounts = await keyringController.getAccounts()
+    const oldAccounts = await this.keyringController.getAccounts()
+    const keyState = await this.keyringController.addNewAccount(keyring)
+    const newAccounts = await this.keyringController.getAccounts()
     this.preferencesController.setAddresses(newAccounts)
     newAccounts.forEach(address => {
       if (!oldAccounts.includes(address)) {
-        this.preferencesController.setAccountLabel(address, `TREZOR #${parseInt(index, 10) + 1}`)
+        this.preferencesController.setAccountLabel(address, `${deviceName.toUpperCase()} ${parseInt(index, 10) + 1}`)
         this.preferencesController.setSelectedAddress(address)
       }
     })