Add TransactionBreakdown component

9 files changed, 240 insertions, 0 deletions

diff --git a/ui/app/components/transaction-breakdown/index.js b/ui/app/components/transaction-breakdown/index.js
new file mode 100644
index 000000000..c887f504f
--- /dev/null
+++ b/ui/app/components/transaction-breakdown/index.js
@@ -0,0 +1 @@
+export { default } from './transaction-breakdown.component'
diff --git a/ui/app/components/transaction-breakdown/index.scss b/ui/app/components/transaction-breakdown/index.scss
new file mode 100644
index 000000000..1bb108943
--- /dev/null
+++ b/ui/app/components/transaction-breakdown/index.scss
@@ -0,0 +1,23 @@
+@import './transaction-breakdown-row/index';
+
+.transaction-breakdown {
+  &__card {
+    background: $white;
+    height: 100%;
+  }
+
+  &__row-title {
+    text-transform: capitalize;
+  }
+
+  &__value {
+    text-align: end;
+    white-space: nowrap;
+    overflow: hidden;
+    text-overflow: ellipsis;
+
+    &--eth-total {
+      font-weight: 500;
+    }
+  }
+}
diff --git a/ui/app/components/transaction-breakdown/tests/transaction-breakdown.component.test.js b/ui/app/components/transaction-breakdown/tests/transaction-breakdown.component.test.js
new file mode 100644
index 000000000..d18cd420c
--- /dev/null
+++ b/ui/app/components/transaction-breakdown/tests/transaction-breakdown.component.test.js
@@ -0,0 +1,37 @@
+import React from 'react'
+import assert from 'assert'
+import { shallow } from 'enzyme'
+import TransactionBreakdown from '../transaction-breakdown.component'
+import TransactionBreakdownRow from '../transaction-breakdown-row'
+import Card from '../../card'
+
+describe('TransactionBreakdown Component', () => {
+  it('should render properly', () => {
+    const transaction = {
+      history: [],
+      id: 1,
+      status: 'confirmed',
+      txParams: {
+        from: '0x1',
+        gas: '0x5208',
+        gasPrice: '0x3b9aca00',
+        nonce: '0xa4',
+        to: '0x2',
+        value: '0x2386f26fc10000',
+      },
+    }
+
+    const wrapper = shallow(
+      <TransactionBreakdown
+        transaction={transaction}
+        className="test-class"
+      />,
+      { context: { t: (str1, str2) => str2 ? str1 + str2 : str1 } }
+    )
+
+    assert.ok(wrapper.hasClass('transaction-breakdown'))
+    assert.ok(wrapper.hasClass('test-class'))
+    assert.equal(wrapper.find(Card).length, 1)
+    assert.equal(wrapper.find(Card).find(TransactionBreakdownRow).length, 4)
+  })
+})
diff --git a/ui/app/components/transaction-breakdown/transaction-breakdown-row/index.js b/ui/app/components/transaction-breakdown/transaction-breakdown-row/index.js
new file mode 100644
index 000000000..557bf75fb
--- /dev/null
+++ b/ui/app/components/transaction-breakdown/transaction-breakdown-row/index.js
@@ -0,0 +1 @@
+export { default } from './transaction-breakdown-row.component'
diff --git a/ui/app/components/transaction-breakdown/transaction-breakdown-row/index.scss b/ui/app/components/transaction-breakdown/transaction-breakdown-row/index.scss
new file mode 100644
index 000000000..8c73be1a6
--- /dev/null
+++ b/ui/app/components/transaction-breakdown/transaction-breakdown-row/index.scss
@@ -0,0 +1,19 @@
+.transaction-breakdown-row {
+  font-size: .75rem;
+  color: $scorpion;
+  display: flex;
+  justify-content: space-between;
+  padding: 8px 0;
+
+  &:not(:last-child) {
+    border-bottom: 1px solid #d8d8d8;
+  }
+
+  &__title {
+    padding-right: 8px;
+  }
+
+  &__value {
+    min-width: 0;
+  }
+}
diff --git a/ui/app/components/transaction-breakdown/transaction-breakdown-row/tests/transaction-breakdown-row.component.test.js b/ui/app/components/transaction-breakdown/transaction-breakdown-row/tests/transaction-breakdown-row.component.test.js
new file mode 100644
index 000000000..c19399dbb
--- /dev/null
+++ b/ui/app/components/transaction-breakdown/transaction-breakdown-row/tests/transaction-breakdown-row.component.test.js
@@ -0,0 +1,39 @@
+import React from 'react'
+import assert from 'assert'
+import { shallow } from 'enzyme'
+import TransactionBreakdownRow from '../transaction-breakdown-row.component'
+import Button from '../../../button'
+
+describe('TransactionBreakdownRow Component', () => {
+  it('should render text properly', () => {
+    const wrapper = shallow(
+      <TransactionBreakdownRow
+        title="test"
+        className="test-class"
+      >
+        Test
+      </TransactionBreakdownRow>,
+      { context: { t: (str1, str2) => str2 ? str1 + str2 : str1 } }
+    )
+
+    assert.ok(wrapper.hasClass('transaction-breakdown-row'))
+    assert.equal(wrapper.find('.transaction-breakdown-row__title').text(), 'test')
+    assert.equal(wrapper.find('.transaction-breakdown-row__value').text(), 'Test')
+  })
+
+  it('should render components properly', () => {
+    const wrapper = shallow(
+      <TransactionBreakdownRow
+        title="test"
+        className="test-class"
+      >
+        <Button onClick={() => {}} >Button</Button>
+      </TransactionBreakdownRow>,
+      { context: { t: (str1, str2) => str2 ? str1 + str2 : str1 } }
+    )
+
+    assert.ok(wrapper.hasClass('transaction-breakdown-row'))
+    assert.equal(wrapper.find('.transaction-breakdown-row__title').text(), 'test')
+    assert.ok(wrapper.find('.transaction-breakdown-row__value').find(Button))
+  })
+})
diff --git a/ui/app/components/transaction-breakdown/transaction-breakdown-row/transaction-breakdown-row.component.js b/ui/app/components/transaction-breakdown/transaction-breakdown-row/transaction-breakdown-row.component.js
new file mode 100644
index 000000000..c11ff8efa
--- /dev/null
+++ b/ui/app/components/transaction-breakdown/transaction-breakdown-row/transaction-breakdown-row.component.js
@@ -0,0 +1,26 @@
+import React, { PureComponent } from 'react'
+import PropTypes from 'prop-types'
+import classnames from 'classnames'
+
+export default class TransactionBreakdownRow extends PureComponent {
+  static propTypes = {
+    title: PropTypes.string,
+    children: PropTypes.node,
+    className: PropTypes.string,
+  }
+
+  render () {
+    const { title, children, className } = this.props
+
+    return (
+      <div className={classnames('transaction-breakdown-row', className)}>
+        <div className="transaction-breakdown-row__title">
+          { title }
+        </div>
+        <div className="transaction-breakdown-row__value">
+          { children }
+        </div>
+      </div>
+    )
+  }
+}
diff --git a/ui/app/components/transaction-breakdown/transaction-breakdown.component.js b/ui/app/components/transaction-breakdown/transaction-breakdown.component.js
new file mode 100644
index 000000000..a168b53dc
--- /dev/null
+++ b/ui/app/components/transaction-breakdown/transaction-breakdown.component.js
@@ -0,0 +1,82 @@
+import React, { PureComponent } from 'react'
+import PropTypes from 'prop-types'
+import classnames from 'classnames'
+import TransactionBreakdownRow from './transaction-breakdown-row'
+import Card from '../card'
+import CurrencyDisplay from '../currency-display'
+import HexToDecimal from '../hex-to-decimal'
+import { ETH, GWEI } from '../../constants/common'
+import { getHexGasTotal } from '../../helpers/confirm-transaction/util'
+import { addHex } from '../../helpers/transactions.util'
+
+export default class TransactionBreakdown extends PureComponent {
+  static contextTypes = {
+    t: PropTypes.func,
+  }
+
+  static propTypes = {
+    transaction: PropTypes.object,
+    className: PropTypes.string,
+  }
+
+  static defaultProps = {
+    transaction: {},
+  }
+
+  render () {
+    const { t } = this.context
+    const { transaction, className } = this.props
+    const { txParams: { gas, gasPrice, value } = {} } = transaction
+    const hexGasTotal = getHexGasTotal({ gasLimit: gas, gasPrice })
+    const totalInHex = addHex(hexGasTotal, value)
+
+    return (
+      <div className={classnames('transaction-breakdown', className)}>
+        <Card
+          title={t('transaction')}
+          className="transaction-breakdown__card"
+        >
+          <TransactionBreakdownRow title={t('amount')}>
+            <CurrencyDisplay
+              className="transaction-breakdown__value"
+              currency={ETH}
+              value={value}
+            />
+          </TransactionBreakdownRow>
+          <TransactionBreakdownRow
+            title={`${t('gasLimit')} (${t('units')})`}
+            className="transaction-breakdown__row-title"
+          >
+            <HexToDecimal
+              className="transaction-breakdown__value"
+              value={gas}
+            />
+          </TransactionBreakdownRow>
+          <TransactionBreakdownRow title={t('gasPrice')}>
+            <CurrencyDisplay
+              className="transaction-breakdown__value"
+              currency={ETH}
+              denomination={GWEI}
+              value={gasPrice}
+              hideLabel
+            />
+          </TransactionBreakdownRow>
+          <TransactionBreakdownRow title={t('total')}>
+            <div>
+              <CurrencyDisplay
+                className="transaction-breakdown__value transaction-breakdown__value--eth-total"
+                currency={ETH}
+                value={totalInHex}
+                numberOfDecimals={6}
+              />
+              <CurrencyDisplay
+                className="transaction-breakdown__value"
+                value={totalInHex}
+              />
+            </div>
+          </TransactionBreakdownRow>
+        </Card>
+      </div>
+    )
+  }
+}
diff --git a/ui/app/helpers/transactions.util.js b/ui/app/helpers/transactions.util.js
index 54df54aa8..b88b00ac6 100644
--- a/ui/app/helpers/transactions.util.js
+++ b/ui/app/helpers/transactions.util.js
@@ -16,6 +16,8 @@ import {
   UNKNOWN_FUNCTION_KEY,
 } from '../constants/transactions'
 
+import { addCurrencies } from '../conversion-util'
+
 abiDecoder.addABI(abi)
 
 export function getTokenData (data = {}) {
@@ -103,3 +105,13 @@ export async function isSmartContractAddress (address) {
   const code = await global.eth.getCode(address)
   return code && code !== '0x'
 }
+
+export function addHex (...args) {
+  const total = args.reduce((acc, base) => {
+    return addCurrencies(acc, base, {
+      toNumericBase: 'hex',
+    })
+  })
+
+  return ethUtil.addHexPrefix(total)
+}