3 files changed, 117 insertions, 0 deletions
diff --git a/ui/app/components/send/send-content/send-gas-row/gas-fee-display/gas-fee-display.component.js b/ui/app/components/send/send-content/send-gas-row/gas-fee-display/gas-fee-display.component.js
new file mode 100644
index 000000000..bb9a94428
--- /dev/null
+++ b/ui/app/components/send/send-content/send-gas-row/gas-fee-display/gas-fee-display.component.js
@@ -0,0 +1,61 @@
+import React, {Component} from 'react'
+import PropTypes from 'prop-types'
+import CurrencyDisplay from '../../../../send/currency-display'
+
+
+export default class GasFeeDisplay extends Component {
+
+  static propTypes = {
+    conversionRate: PropTypes.number,
+    primaryCurrency: PropTypes.string,
+    convertedCurrency: PropTypes.string,
+    gasLoadingError: PropTypes.bool,
+    gasTotal: PropTypes.string,
+    onClick: PropTypes.func,
+  };
+
+  static contextTypes = {
+    t: PropTypes.func,
+  };
+
+  render () {
+    const {
+      conversionRate,
+      gasTotal,
+      onClick,
+      primaryCurrency = 'ETH',
+      convertedCurrency,
+      gasLoadingError,
+    } = this.props
+
+    return (
+      <div className="send-v2__gas-fee-display">
+        {gasTotal
+          ? <CurrencyDisplay
+              primaryCurrency={primaryCurrency}
+              convertedCurrency={convertedCurrency}
+              value={gasTotal}
+              conversionRate={conversionRate}
+              gasLoadingError={gasLoadingError}
+              convertedPrefix={'$'}
+              readOnly
+            />
+          : gasLoadingError
+            ? <div className="currency-display.currency-display--message">
+                {this.context.t('setGasPrice')}
+              </div>
+            : <div className="currency-display">
+                {this.context.t('loading')}
+              </div>
+        }
+        <button
+          className="sliders-icon-container"
+          onClick={onClick}
+          disabled={!gasTotal && !gasLoadingError}
+        >
+          <i className="fa fa-sliders sliders-icon" />
+        </button>
+      </div>
+    )
+  }
+}
diff --git a/ui/app/components/send/send-content/send-gas-row/gas-fee-display/index.js b/ui/app/components/send/send-content/send-gas-row/gas-fee-display/index.js
new file mode 100644
index 000000000..dba0edb7b
--- /dev/null
+++ b/ui/app/components/send/send-content/send-gas-row/gas-fee-display/index.js
@@ -0,0 +1 @@
+export { default } from './gas-fee-display.component'
diff --git a/ui/app/components/send/send-content/send-gas-row/gas-fee-display/test/gas-fee-display.component.test.js b/ui/app/components/send/send-content/send-gas-row/gas-fee-display/test/gas-fee-display.component.test.js
new file mode 100644
index 000000000..7cbe8d0df
--- /dev/null
+++ b/ui/app/components/send/send-content/send-gas-row/gas-fee-display/test/gas-fee-display.component.test.js
@@ -0,0 +1,55 @@
+import React from 'react'
+import assert from 'assert'
+import {shallow} from 'enzyme'
+import GasFeeDisplay from '../gas-fee-display.component'
+import CurrencyDisplay from '../../../../../send/currency-display'
+import sinon from 'sinon'
+
+
+const propsMethodSpies = {
+  showCustomizeGasModal: sinon.spy(),
+}
+
+describe('SendGasRow Component', function () {
+  let wrapper
+
+  beforeEach(() => {
+    wrapper = shallow(<GasFeeDisplay
+      conversionRate={20}
+      gasTotal={'mockGasTotal'}
+      onClick={propsMethodSpies.showCustomizeGasModal}
+      primaryCurrency={'mockPrimaryCurrency'}
+      convertedCurrency={'mockConvertedCurrency'}
+    />, {context: {t: str => str + '_t'}})
+  })
+
+  afterEach(() => {
+    propsMethodSpies.showCustomizeGasModal.resetHistory()
+  })
+
+  describe('render', () => {
+    it('should render a CurrencyDisplay component', () => {
+      assert.equal(wrapper.find(CurrencyDisplay).length, 1)
+    })
+
+    it('should render the CurrencyDisplay with the correct props', () => {
+      const {
+        conversionRate,
+        convertedCurrency,
+        value,
+      } = wrapper.find(CurrencyDisplay).props()
+      assert.equal(conversionRate, 20)
+      assert.equal(convertedCurrency, 'mockConvertedCurrency')
+      assert.equal(value, 'mockGasTotal')
+    })
+
+    it('should render the Button with the correct props', () => {
+      const {
+        onClick,
+      } = wrapper.find('button').props()
+      assert.equal(propsMethodSpies.showCustomizeGasModal.callCount, 0)
+      onClick()
+      assert.equal(propsMethodSpies.showCustomizeGasModal.callCount, 1)
+    })
+  })
+})