fix account duplication

app/scripts/metamask-controller.js

@@ -550,7 +550,9 @@ module.exports = class MetamaskController extends EventEmitter {
         }
 
         // Merge with existing accounts
-        this.accountTracker.syncWithAddresses(oldAccounts.concat(accounts.map(a => a.address)))
+        // 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:

ui/app/components/pages/create-account/connect-hardware/index.js

@@ -37,7 +37,6 @@ class ConnectHardwareForm extends Component {
     const { accounts } = this.props
     const balanceValue = accounts && accounts[address.toLowerCase()] ? accounts[address.toLowerCase()].balance : ''
     const formattedBalance = balanceValue !== null ? formatBalance(balanceValue, 6) : '...'
-    console.log('[TREZOR]: got balance', address, accounts, balanceValue, formattedBalance)
     return formattedBalance
   }
 
@@ -45,21 +44,17 @@ class ConnectHardwareForm extends Component {
     this.props
       .connectHardware('trezor', page)
       .then(accounts => {
-        console.log('[TREZOR]: GOT PAGE!', accounts)
         if (accounts.length) {
           const newState = {}
           // Default to the first account
           if (this.state.selectedAccount === null) {
             const firstAccount = accounts[0]
             newState.selectedAccount = firstAccount.index.toString() === '0' ? firstAccount.index.toString() : null
-            console.log('[TREZOR]: just defaulted to account', newState.selectedAccount)
           // If the page doesn't contain the selected account, let's deselect it
           } else if (!accounts.filter(a => a.index.toString() === this.state.selectedAccount).length) {
             newState.selectedAccount = null
-            console.log('[TREZOR]: just removed default account', newState.selectedAccount)
           }
 
-          console.log('[TREZOR]: mapping balances')
 
           // Map accounts with balances
           newState.accounts = accounts.map(account => {
@@ -67,7 +62,6 @@ class ConnectHardwareForm extends Component {
             return account
           })
 
-          console.log('[TREZOR]: ABOUT TO RENDER ACCOUNTS: ', page, newState.accounts)
           this.setState(newState)
         }
       })