Adds toggle for primary currency (#5421)

* Add UnitInput component

* Add CurrencyInput component

* Add UserPreferencedCurrencyInput component

* Add UserPreferencedCurrencyDisplay component

* Add updatePreferences action

* Add styles for CurrencyInput, CurrencyDisplay, and UnitInput

* Update SettingsTab page with Primary Currency toggle

* Refactor currency displays and inputs to use UserPreferenced displays and inputs

* Add TokenInput component

* Add UserPreferencedTokenInput component

* Use TokenInput in the send screen

* Fix unit tests

* Fix e2e and integration tests

* Remove send/CurrencyDisplay component

* Replace diamond unicode character with Eth logo. Fix typos

2 files changed, 10 insertions, 8 deletions

diff --git a/ui/app/components/transaction-view-balance/tests/token-view-balance.component.test.js b/ui/app/components/transaction-view-balance/tests/token-view-balance.component.test.js
index bb95cb27e..513a8aac9 100644
--- a/ui/app/components/transaction-view-balance/tests/token-view-balance.component.test.js
+++ b/ui/app/components/transaction-view-balance/tests/token-view-balance.component.test.js
@@ -3,7 +3,7 @@ import assert from 'assert'
 import { shallow } from 'enzyme'
 import sinon from 'sinon'
 import TokenBalance from '../../token-balance'
-import CurrencyDisplay from '../../currency-display'
+import UserPreferencedCurrencyDisplay from '../../user-preferenced-currency-display'
 import { SEND_ROUTE } from '../../../routes'
 import TransactionViewBalance from '../transaction-view-balance.component'
 
@@ -35,7 +35,7 @@ describe('TransactionViewBalance Component', () => {
 
     assert.equal(wrapper.find('.transaction-view-balance').length, 1)
     assert.equal(wrapper.find('.transaction-view-balance__button').length, 2)
-    assert.equal(wrapper.find(CurrencyDisplay).length, 2)
+    assert.equal(wrapper.find(UserPreferencedCurrencyDisplay).length, 2)
 
     const buttons = wrapper.find('.transaction-view-balance__buttons')
     assert.equal(propsMethodSpies.showDepositModal.callCount, 0)
diff --git a/ui/app/components/transaction-view-balance/transaction-view-balance.component.js b/ui/app/components/transaction-view-balance/transaction-view-balance.component.js
index 1b7a29c87..273845c47 100644
--- a/ui/app/components/transaction-view-balance/transaction-view-balance.component.js
+++ b/ui/app/components/transaction-view-balance/transaction-view-balance.component.js
@@ -3,9 +3,9 @@ import PropTypes from 'prop-types'
 import Button from '../button'
 import Identicon from '../identicon'
 import TokenBalance from '../token-balance'
-import CurrencyDisplay from '../currency-display'
+import UserPreferencedCurrencyDisplay from '../user-preferenced-currency-display'
 import { SEND_ROUTE } from '../../routes'
-import { ETH } from '../../constants/common'
+import { PRIMARY, SECONDARY } from '../../constants/common'
 
 export default class TransactionViewBalance extends PureComponent {
   static contextTypes = {
@@ -33,15 +33,17 @@ export default class TransactionViewBalance extends PureComponent {
         />
       ) : (
         <div className="transaction-view-balance__balance">
-          <CurrencyDisplay
+          <UserPreferencedCurrencyDisplay
             className="transaction-view-balance__primary-balance"
             value={balance}
-            currency={ETH}
-            numberOfDecimals={3}
+            type={PRIMARY}
+            ethNumberOfDecimals={3}
           />
-          <CurrencyDisplay
+          <UserPreferencedCurrencyDisplay
             className="transaction-view-balance__secondary-balance"
             value={balance}
+            type={SECONDARY}
+            ethNumberOfDecimals={3}
           />
         </div>
       )