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

1 files changed, 27 insertions, 0 deletions

diff --git a/ui/app/components/token-input/token-input.container.js b/ui/app/components/token-input/token-input.container.js
new file mode 100644
index 000000000..ec233b1b8
--- /dev/null
+++ b/ui/app/components/token-input/token-input.container.js
@@ -0,0 +1,27 @@
+import { connect } from 'react-redux'
+import TokenInput from './token-input.component'
+import { getSelectedToken, getSelectedTokenExchangeRate } from '../../selectors'
+
+const mapStateToProps = state => {
+  const { metamask: { currentCurrency } } = state
+
+  return {
+    currentCurrency,
+    selectedToken: getSelectedToken(state),
+    selectedTokenExchangeRate: getSelectedTokenExchangeRate(state),
+  }
+}
+
+const mergeProps = (stateProps, dispatchProps, ownProps) => {
+  const { selectedToken } = stateProps
+  const suffix = selectedToken && selectedToken.symbol
+
+  return {
+    ...stateProps,
+    ...dispatchProps,
+    ...ownProps,
+    suffix,
+  }
+}
+
+export default connect(mapStateToProps, null, mergeProps)(TokenInput)