Merge branch 'develop' of github.com:MetaMask/metamask-extension into initial-trezor-support

27 files changed, 1170 insertions, 130 deletions

diff --git a/ui/app/components/pages/confirm-approve/confirm-approve.component.js b/ui/app/components/pages/confirm-approve/confirm-approve.component.js
new file mode 100644
index 000000000..d775b0362
--- /dev/null
+++ b/ui/app/components/pages/confirm-approve/confirm-approve.component.js
@@ -0,0 +1,30 @@
+import React, { Component } from 'react'
+import PropTypes from 'prop-types'
+import ConfirmTransactionBase from '../confirm-transaction-base'
+
+export default class ConfirmApprove extends Component {
+  static contextTypes = {
+    t: PropTypes.func,
+  }
+
+  static propTypes = {
+    tokenAddress: PropTypes.string,
+    toAddress: PropTypes.string,
+    tokenAmount: PropTypes.string,
+    tokenSymbol: PropTypes.string,
+  }
+
+  render () {
+    const { toAddress, tokenAddress, tokenAmount, tokenSymbol } = this.props
+
+    return (
+      <ConfirmTransactionBase
+        toAddress={toAddress}
+        identiconAddress={tokenAddress}
+        title={`${tokenAmount} ${tokenSymbol}`}
+        warning={`By approving this action, you grant permission for this contract to spend up to ${tokenAmount} of your ${tokenSymbol}.`}
+        hideSubtitle
+      />
+    )
+  }
+}
diff --git a/ui/app/components/pages/confirm-approve/confirm-approve.container.js b/ui/app/components/pages/confirm-approve/confirm-approve.container.js
new file mode 100644
index 000000000..040e499ae
--- /dev/null
+++ b/ui/app/components/pages/confirm-approve/confirm-approve.container.js
@@ -0,0 +1,28 @@
+import { connect } from 'react-redux'
+import ConfirmApprove from './confirm-approve.component'
+
+const mapStateToProps = state => {
+  const { confirmTransaction } = state
+  const {
+    tokenData = {},
+    txData: { txParams: { to: tokenAddress } = {} } = {},
+    tokenProps: { tokenSymbol } = {},
+  } = confirmTransaction
+  const { params = [] } = tokenData
+
+  let toAddress = ''
+  let tokenAmount = ''
+
+  if (params && params.length === 2) {
+    [{ value: toAddress }, { value: tokenAmount }] = params
+  }
+
+  return {
+    toAddress,
+    tokenAddress,
+    tokenAmount,
+    tokenSymbol,
+  }
+}
+
+export default connect(mapStateToProps)(ConfirmApprove)
diff --git a/ui/app/components/pages/confirm-approve/index.js b/ui/app/components/pages/confirm-approve/index.js
new file mode 100644
index 000000000..791297be7
--- /dev/null
+++ b/ui/app/components/pages/confirm-approve/index.js
@@ -0,0 +1 @@
+export { default } from './confirm-approve.container'
diff --git a/ui/app/components/pages/confirm-deploy-contract/confirm-deploy-contract.component.js b/ui/app/components/pages/confirm-deploy-contract/confirm-deploy-contract.component.js
new file mode 100644
index 000000000..9bc0daab9
--- /dev/null
+++ b/ui/app/components/pages/confirm-deploy-contract/confirm-deploy-contract.component.js
@@ -0,0 +1,64 @@
+import React, { Component } from 'react'
+import PropTypes from 'prop-types'
+import ethUtil from 'ethereumjs-util'
+import ConfirmTransactionBase from '../confirm-transaction-base'
+
+export default class ConfirmDeployContract extends Component {
+  static contextTypes = {
+    t: PropTypes.func,
+  }
+
+  static propTypes = {
+    txData: PropTypes.object,
+  }
+
+  renderData () {
+    const { t } = this.context
+    const {
+      txData: {
+        origin,
+        txParams: {
+          data,
+        } = {},
+      } = {},
+    } = this.props
+
+    return (
+      <div className="confirm-page-container-content__data">
+        <div className="confirm-page-container-content__data-box">
+          <div className="confirm-page-container-content__data-field">
+            <div className="confirm-page-container-content__data-field-label">
+              { `${t('origin')}:` }
+            </div>
+            <div>
+              { origin }
+            </div>
+          </div>
+          <div className="confirm-page-container-content__data-field">
+            <div className="confirm-page-container-content__data-field-label">
+              { `${t('bytes')}:` }
+            </div>
+            <div>
+              { ethUtil.toBuffer(data).length }
+            </div>
+          </div>
+        </div>
+        <div className="confirm-page-container-content__data-box-label">
+          { `${t('hexData')}:` }
+        </div>
+        <div className="confirm-page-container-content__data-box">
+          { data }
+        </div>
+      </div>
+    )
+  }
+
+  render () {
+    return (
+      <ConfirmTransactionBase
+        action={this.context.t('contractDeployment')}
+        dataComponent={this.renderData()}
+      />
+    )
+  }
+}
diff --git a/ui/app/components/pages/confirm-deploy-contract/confirm-deploy-contract.container.js b/ui/app/components/pages/confirm-deploy-contract/confirm-deploy-contract.container.js
new file mode 100644
index 000000000..336ee83ea
--- /dev/null
+++ b/ui/app/components/pages/confirm-deploy-contract/confirm-deploy-contract.container.js
@@ -0,0 +1,12 @@
+import { connect } from 'react-redux'
+import ConfirmDeployContract from './confirm-deploy-contract.component'
+
+const mapStateToProps = state => {
+  const { confirmTransaction: { txData } = {} } = state
+
+  return {
+    txData,
+  }
+}
+
+export default connect(mapStateToProps)(ConfirmDeployContract)
diff --git a/ui/app/components/pages/confirm-deploy-contract/index.js b/ui/app/components/pages/confirm-deploy-contract/index.js
new file mode 100644
index 000000000..c4fb01b52
--- /dev/null
+++ b/ui/app/components/pages/confirm-deploy-contract/index.js
@@ -0,0 +1 @@
+export { default } from './confirm-deploy-contract.container'
diff --git a/ui/app/components/pages/confirm-send-ether/confirm-send-ether.component.js b/ui/app/components/pages/confirm-send-ether/confirm-send-ether.component.js
new file mode 100644
index 000000000..442a478b8
--- /dev/null
+++ b/ui/app/components/pages/confirm-send-ether/confirm-send-ether.component.js
@@ -0,0 +1,39 @@
+import React, { Component } from 'react'
+import PropTypes from 'prop-types'
+import ConfirmTransactionBase from '../confirm-transaction-base'
+import { SEND_ROUTE } from '../../../routes'
+
+export default class ConfirmSendEther extends Component {
+  static contextTypes = {
+    t: PropTypes.func,
+  }
+
+  static propTypes = {
+    editTransaction: PropTypes.func,
+    history: PropTypes.object,
+    txParams: PropTypes.object,
+  }
+
+  handleEdit ({ txData }) {
+    const { editTransaction, history } = this.props
+    editTransaction(txData)
+    history.push(SEND_ROUTE)
+  }
+
+  shouldHideData () {
+    const { txParams = {} } = this.props
+    return !txParams.data
+  }
+
+  render () {
+    const hideData = this.shouldHideData()
+
+    return (
+      <ConfirmTransactionBase
+        action={this.context.t('confirm')}
+        hideData={hideData}
+        onEdit={confirmTransactionData => this.handleEdit(confirmTransactionData)}
+      />
+    )
+  }
+}
diff --git a/ui/app/components/pages/confirm-send-ether/confirm-send-ether.container.js b/ui/app/components/pages/confirm-send-ether/confirm-send-ether.container.js
new file mode 100644
index 000000000..e48ef54a8
--- /dev/null
+++ b/ui/app/components/pages/confirm-send-ether/confirm-send-ether.container.js
@@ -0,0 +1,45 @@
+import { connect } from 'react-redux'
+import { compose } from 'recompose'
+import { withRouter } from 'react-router-dom'
+import { updateSend } from '../../../actions'
+import { clearConfirmTransaction } from '../../../ducks/confirm-transaction.duck'
+import ConfirmSendEther from './confirm-send-ether.component'
+
+const mapStateToProps = state => {
+  const { confirmTransaction: { txData: { txParams } = {} } } = state
+
+  return {
+    txParams,
+  }
+}
+
+const mapDispatchToProps = dispatch => {
+  return {
+    editTransaction: txData => {
+      const { id, txParams } = txData
+      const {
+        gas: gasLimit,
+        gasPrice,
+        to,
+        value: amount,
+      } = txParams
+
+      dispatch(updateSend({
+        gasLimit,
+        gasPrice,
+        gasTotal: null,
+        to,
+        amount,
+        errors: { to: null, amount: null },
+        editingTransactionId: id && id.toString(),
+      }))
+
+      dispatch(clearConfirmTransaction())
+    },
+  }
+}
+
+export default compose(
+  withRouter,
+  connect(mapStateToProps, mapDispatchToProps)
+)(ConfirmSendEther)
diff --git a/ui/app/components/pages/confirm-send-ether/index.js b/ui/app/components/pages/confirm-send-ether/index.js
new file mode 100644
index 000000000..2d5767c39
--- /dev/null
+++ b/ui/app/components/pages/confirm-send-ether/index.js
@@ -0,0 +1 @@
+export { default } from './confirm-send-ether.container'
diff --git a/ui/app/components/pages/confirm-send-token/confirm-send-token.component.js b/ui/app/components/pages/confirm-send-token/confirm-send-token.component.js
new file mode 100644
index 000000000..46ad9ccab
--- /dev/null
+++ b/ui/app/components/pages/confirm-send-token/confirm-send-token.component.js
@@ -0,0 +1,39 @@
+import React, { Component } from 'react'
+import PropTypes from 'prop-types'
+import ConfirmTransactionBase from '../confirm-transaction-base'
+import { SEND_ROUTE } from '../../../routes'
+
+export default class ConfirmSendToken extends Component {
+  static contextTypes = {
+    t: PropTypes.func,
+  }
+
+  static propTypes = {
+    history: PropTypes.object,
+    tokenAddress: PropTypes.string,
+    toAddress: PropTypes.string,
+    numberOfTokens: PropTypes.number,
+    tokenSymbol: PropTypes.string,
+    editTransaction: PropTypes.func,
+  }
+
+  handleEdit (confirmTransactionData) {
+    const { editTransaction, history } = this.props
+    editTransaction(confirmTransactionData)
+    history.push(SEND_ROUTE)
+  }
+
+  render () {
+    const { toAddress, tokenAddress, tokenSymbol, numberOfTokens } = this.props
+
+    return (
+      <ConfirmTransactionBase
+        toAddress={toAddress}
+        identiconAddress={tokenAddress}
+        title={`${numberOfTokens} ${tokenSymbol}`}
+        onEdit={confirmTransactionData => this.handleEdit(confirmTransactionData)}
+        hideSubtitle
+      />
+    )
+  }
+}
diff --git a/ui/app/components/pages/confirm-send-token/confirm-send-token.container.js b/ui/app/components/pages/confirm-send-token/confirm-send-token.container.js
new file mode 100644
index 000000000..2d7efeed6
--- /dev/null
+++ b/ui/app/components/pages/confirm-send-token/confirm-send-token.container.js
@@ -0,0 +1,72 @@
+import { connect } from 'react-redux'
+import { compose } from 'recompose'
+import { withRouter } from 'react-router-dom'
+import ConfirmSendToken from './confirm-send-token.component'
+import { calcTokenAmount } from '../../../token-util'
+import { clearConfirmTransaction } from '../../../ducks/confirm-transaction.duck'
+import { setSelectedToken, updateSend, showSendTokenPage } from '../../../actions'
+import { conversionUtil } from '../../../conversion-util'
+
+const mapStateToProps = state => {
+  const { confirmTransaction } = state
+  const {
+    tokenData = {},
+    tokenProps: { tokenSymbol, tokenDecimals } = {},
+    txData: { txParams: { to: tokenAddress } = {} } = {},
+  } = confirmTransaction
+  const { params = [] } = tokenData
+
+  let toAddress = ''
+  let tokenAmount = ''
+
+  if (params && params.length === 2) {
+    [{ value: toAddress }, { value: tokenAmount }] = params
+  }
+
+  const numberOfTokens = tokenAmount && tokenDecimals
+    ? calcTokenAmount(tokenAmount, tokenDecimals)
+    : 0
+
+  return {
+    toAddress,
+    tokenAddress,
+    tokenSymbol,
+    numberOfTokens,
+  }
+}
+
+const mapDispatchToProps = dispatch => {
+  return {
+    editTransaction: ({ txData, tokenData, tokenProps }) => {
+      const { txParams: { to: tokenAddress, gas: gasLimit, gasPrice } = {}, id } = txData
+      const { params = [] } = tokenData
+      const { value: to } = params[0] || {}
+      const { value: tokenAmountInDec } = params[1] || {}
+      const tokenAmountInHex = conversionUtil(tokenAmountInDec, {
+        fromNumericBase: 'dec',
+        toNumericBase: 'hex',
+      })
+      dispatch(setSelectedToken(tokenAddress))
+      dispatch(updateSend({
+        gasLimit,
+        gasPrice,
+        gasTotal: null,
+        to,
+        amount: tokenAmountInHex,
+        errors: { to: null, amount: null },
+        editingTransactionId: id && id.toString(),
+        token: {
+          ...tokenProps,
+          address: tokenAddress,
+        },
+      }))
+      dispatch(clearConfirmTransaction())
+      dispatch(showSendTokenPage())
+    },
+  }
+}
+
+export default compose(
+  withRouter,
+  connect(mapStateToProps, mapDispatchToProps)
+)(ConfirmSendToken)
diff --git a/ui/app/components/pages/confirm-send-token/index.js b/ui/app/components/pages/confirm-send-token/index.js
new file mode 100644
index 000000000..409b6ef3d
--- /dev/null
+++ b/ui/app/components/pages/confirm-send-token/index.js
@@ -0,0 +1 @@
+export { default } from './confirm-send-token.container'
diff --git a/ui/app/components/pages/confirm-send-token/index.scss b/ui/app/components/pages/confirm-send-token/index.scss
new file mode 100644
index 000000000..0476749f6
--- /dev/null
+++ b/ui/app/components/pages/confirm-send-token/index.scss
@@ -0,0 +1,19 @@
+.confirm-send-token {
+  &__title {
+    padding: 4px 0;
+    display: flex;
+    align-items: center;
+  }
+
+  &__identicon {
+    flex: 0 0 auto;
+  }
+
+  &__title-text {
+    font-size: 2.25rem;
+    white-space: nowrap;
+    overflow: hidden;
+    text-overflow: ellipsis;
+    padding-left: 8px;
+  }
+}
diff --git a/ui/app/components/pages/confirm-transaction-base/confirm-transaction-base.component.js b/ui/app/components/pages/confirm-transaction-base/confirm-transaction-base.component.js
new file mode 100644
index 000000000..842b34d2e
--- /dev/null
+++ b/ui/app/components/pages/confirm-transaction-base/confirm-transaction-base.component.js
@@ -0,0 +1,320 @@
+import React, { Component } from 'react'
+import PropTypes from 'prop-types'
+import ConfirmPageContainer, { ConfirmDetailRow } from '../../confirm-page-container'
+import { formatCurrency } from '../../../helpers/confirm-transaction/util'
+import { isBalanceSufficient } from '../../send_/send.utils'
+import { DEFAULT_ROUTE } from '../../../routes'
+import {
+  INSUFFICIENT_FUNDS_ERROR_KEY,
+  TRANSACTION_ERROR_KEY,
+} from '../../../constants/error-keys'
+
+export default class ConfirmTransactionBase extends Component {
+  static contextTypes = {
+    t: PropTypes.func,
+  }
+
+  static propTypes = {
+    // react-router props
+    match: PropTypes.object,
+    history: PropTypes.object,
+    // Redux props
+    balance: PropTypes.string,
+    cancelTransaction: PropTypes.func,
+    clearConfirmTransaction: PropTypes.func,
+    clearSend: PropTypes.func,
+    conversionRate: PropTypes.number,
+    currentCurrency: PropTypes.string,
+    editTransaction: PropTypes.func,
+    ethTransactionAmount: PropTypes.string,
+    ethTransactionFee: PropTypes.string,
+    ethTransactionTotal: PropTypes.string,
+    fiatTransactionAmount: PropTypes.string,
+    fiatTransactionFee: PropTypes.string,
+    fiatTransactionTotal: PropTypes.string,
+    fromAddress: PropTypes.string,
+    fromName: PropTypes.string,
+    hexGasTotal: PropTypes.string,
+    isTxReprice: PropTypes.bool,
+    methodData: PropTypes.object,
+    nonce: PropTypes.string,
+    sendTransaction: PropTypes.func,
+    showCustomizeGasModal: PropTypes.func,
+    showTransactionConfirmedModal: PropTypes.func,
+    toAddress: PropTypes.string,
+    tokenData: PropTypes.object,
+    tokenProps: PropTypes.object,
+    toName: PropTypes.string,
+    transactionStatus: PropTypes.string,
+    txData: PropTypes.object,
+    // Component props
+    action: PropTypes.string,
+    contentComponent: PropTypes.node,
+    dataComponent: PropTypes.node,
+    detailsComponent: PropTypes.node,
+    errorKey: PropTypes.string,
+    errorMessage: PropTypes.string,
+    hideData: PropTypes.bool,
+    hideDetails: PropTypes.bool,
+    hideSubtitle: PropTypes.bool,
+    identiconAddress: PropTypes.string,
+    onCancel: PropTypes.func,
+    onEdit: PropTypes.func,
+    onEditGas: PropTypes.func,
+    onSubmit: PropTypes.func,
+    subtitle: PropTypes.string,
+    summaryComponent: PropTypes.node,
+    title: PropTypes.string,
+    valid: PropTypes.bool,
+    warning: PropTypes.string,
+  }
+
+  componentDidUpdate () {
+    const {
+      transactionStatus,
+      showTransactionConfirmedModal,
+      history,
+      clearConfirmTransaction,
+    } = this.props
+
+    if (transactionStatus === 'dropped') {
+      showTransactionConfirmedModal({
+        onHide: () => {
+          clearConfirmTransaction()
+          history.push(DEFAULT_ROUTE)
+        },
+      })
+
+      return
+    }
+  }
+
+  getErrorKey () {
+    const {
+      balance,
+      conversionRate,
+      hexGasTotal,
+      txData: {
+        simulationFails,
+        txParams: {
+          value: amount,
+        } = {},
+      } = {},
+    } = this.props
+
+    const insufficientBalance = balance && !isBalanceSufficient({
+      amount,
+      gasTotal: hexGasTotal || '0x0',
+      balance,
+      conversionRate,
+    })
+
+    if (insufficientBalance) {
+      return {
+        valid: false,
+        errorKey: INSUFFICIENT_FUNDS_ERROR_KEY,
+      }
+    }
+
+    if (simulationFails) {
+      return {
+        valid: false,
+        errorKey: TRANSACTION_ERROR_KEY,
+      }
+    }
+
+    return {
+      valid: true,
+    }
+  }
+
+  handleEditGas () {
+    const { onEditGas, showCustomizeGasModal } = this.props
+
+    if (onEditGas) {
+      onEditGas()
+    } else {
+      showCustomizeGasModal()
+    }
+  }
+
+  renderDetails () {
+    const {
+      detailsComponent,
+      fiatTransactionFee,
+      ethTransactionFee,
+      currentCurrency,
+      fiatTransactionTotal,
+      ethTransactionTotal,
+      hideDetails,
+    } = this.props
+
+    if (hideDetails) {
+      return null
+    }
+
+    return (
+      detailsComponent || (
+        <div className="confirm-page-container-content__details">
+          <div className="confirm-page-container-content__gas-fee">
+            <ConfirmDetailRow
+              label="Gas Fee"
+              fiatFee={formatCurrency(fiatTransactionFee, currentCurrency)}
+              ethFee={ethTransactionFee}
+              headerText="Edit"
+              headerTextClassName="confirm-detail-row__header-text--edit"
+              onHeaderClick={() => this.handleEditGas()}
+            />
+          </div>
+          <div>
+            <ConfirmDetailRow
+              label="Total"
+              fiatFee={formatCurrency(fiatTransactionTotal, currentCurrency)}
+              ethFee={ethTransactionTotal}
+              headerText="Amount + Gas Fee"
+              headerTextClassName="confirm-detail-row__header-text--total"
+              fiatFeeColor="#2f9ae0"
+            />
+          </div>
+        </div>
+      )
+    )
+  }
+
+  renderData () {
+    const { t } = this.context
+    const {
+      txData: {
+        txParams: {
+          data,
+        } = {},
+      } = {},
+      methodData: {
+        name,
+        params,
+      } = {},
+      hideData,
+      dataComponent,
+    } = this.props
+
+    if (hideData) {
+      return null
+    }
+
+    return dataComponent || (
+      <div className="confirm-page-container-content__data">
+        <div className="confirm-page-container-content__data-box-label">
+          {`${t('functionType')}:`}
+          <span className="confirm-page-container-content__function-type">
+            { name }
+          </span>
+        </div>
+        <div className="confirm-page-container-content__data-box">
+          <div className="confirm-page-container-content__data-field-label">
+            { `${t('parameters')}:` }
+          </div>
+          <div>
+            <pre>{ JSON.stringify(params, null, 2) }</pre>
+          </div>
+        </div>
+        <div className="confirm-page-container-content__data-box-label">
+          {`${t('hexData')}:`}
+        </div>
+        <div className="confirm-page-container-content__data-box">
+          { data }
+        </div>
+      </div>
+    )
+  }
+
+  handleEdit () {
+    const { txData, tokenData, tokenProps, onEdit } = this.props
+    onEdit({ txData, tokenData, tokenProps })
+  }
+
+  handleCancel () {
+    const { onCancel, txData, cancelTransaction, history, clearConfirmTransaction } = this.props
+
+    if (onCancel) {
+      onCancel(txData)
+    } else {
+      cancelTransaction(txData)
+        .then(() => {
+          clearConfirmTransaction()
+          history.push(DEFAULT_ROUTE)
+        })
+    }
+  }
+
+  handleSubmit () {
+    const { sendTransaction, clearConfirmTransaction, txData, history, onSubmit } = this.props
+
+    if (onSubmit) {
+      onSubmit(txData)
+    } else {
+      sendTransaction(txData)
+        .then(() => {
+          clearConfirmTransaction()
+          history.push(DEFAULT_ROUTE)
+        })
+    }
+  }
+
+  render () {
+    const {
+      isTxReprice,
+      fromName,
+      fromAddress,
+      toName,
+      toAddress,
+      methodData,
+      ethTransactionAmount,
+      fiatTransactionAmount,
+      valid: propsValid,
+      errorMessage,
+      errorKey: propsErrorKey,
+      currentCurrency,
+      action,
+      title,
+      subtitle,
+      hideSubtitle,
+      identiconAddress,
+      summaryComponent,
+      contentComponent,
+      onEdit,
+      nonce,
+      warning,
+    } = this.props
+
+    const { name } = methodData
+    const fiatConvertedAmount = formatCurrency(fiatTransactionAmount, currentCurrency)
+    const { valid, errorKey } = this.getErrorKey()
+
+    return (
+      <ConfirmPageContainer
+        fromName={fromName}
+        fromAddress={fromAddress}
+        toName={toName}
+        toAddress={toAddress}
+        showEdit={onEdit && !isTxReprice}
+        action={action || name}
+        title={title || `${fiatConvertedAmount} ${currentCurrency.toUpperCase()}`}
+        subtitle={subtitle || `\u2666 ${ethTransactionAmount}`}
+        hideSubtitle={hideSubtitle}
+        summaryComponent={summaryComponent}
+        detailsComponent={this.renderDetails()}
+        dataComponent={this.renderData()}
+        contentComponent={contentComponent}
+        nonce={nonce}
+        identiconAddress={identiconAddress}
+        errorMessage={errorMessage}
+        errorKey={propsErrorKey || errorKey}
+        warning={warning}
+        valid={propsValid || valid}
+        onEdit={() => this.handleEdit()}
+        onCancel={() => this.handleCancel()}
+        onSubmit={() => this.handleSubmit()}
+      />
+    )
+  }
+}
diff --git a/ui/app/components/pages/confirm-transaction-base/confirm-transaction-base.container.js b/ui/app/components/pages/confirm-transaction-base/confirm-transaction-base.container.js
new file mode 100644
index 000000000..31108bbd0
--- /dev/null
+++ b/ui/app/components/pages/confirm-transaction-base/confirm-transaction-base.container.js
@@ -0,0 +1,169 @@
+import { connect } from 'react-redux'
+import { compose } from 'recompose'
+import { withRouter } from 'react-router-dom'
+import R from 'ramda'
+import ConfirmTransactionBase from './confirm-transaction-base.component'
+import {
+  clearConfirmTransaction,
+  updateGasAndCalculate,
+} from '../../../ducks/confirm-transaction.duck'
+import { clearSend, cancelTx, updateAndApproveTx, showModal } from '../../../actions'
+import {
+  INSUFFICIENT_FUNDS_ERROR_KEY,
+  GAS_LIMIT_TOO_LOW_ERROR_KEY,
+} from '../../../constants/error-keys'
+import { getHexGasTotal } from '../../../helpers/confirm-transaction/util'
+import { isBalanceSufficient } from '../../send_/send.utils'
+import { conversionGreaterThan } from '../../../conversion-util'
+import { MIN_GAS_LIMIT_DEC } from '../../send_/send.constants'
+
+const mapStateToProps = (state, props) => {
+  const { toAddress: propsToAddress } = props
+  const { confirmTransaction, metamask } = state
+  const {
+    ethTransactionAmount,
+    ethTransactionFee,
+    ethTransactionTotal,
+    fiatTransactionAmount,
+    fiatTransactionFee,
+    fiatTransactionTotal,
+    hexGasTotal,
+    tokenData,
+    methodData,
+    txData,
+    tokenProps,
+    nonce,
+  } = confirmTransaction
+  const { txParams = {}, lastGasPrice, id: transactionId } = txData
+  const { from: fromAddress, to: txParamsToAddress } = txParams
+  const {
+    conversionRate,
+    identities,
+    currentCurrency,
+    accounts,
+    selectedAddress,
+    selectedAddressTxList,
+  } = metamask
+
+  const { balance } = accounts[selectedAddress]
+  const { name: fromName } = identities[selectedAddress]
+  const toAddress = propsToAddress || txParamsToAddress
+  const toName = identities[toAddress] && identities[toAddress].name
+  const isTxReprice = Boolean(lastGasPrice)
+
+  const transaction = R.find(({ id }) => id === transactionId)(selectedAddressTxList)
+  const transactionStatus = transaction ? transaction.status : ''
+
+  return {
+    balance,
+    fromAddress,
+    fromName,
+    toAddress,
+    toName,
+    ethTransactionAmount,
+    ethTransactionFee,
+    ethTransactionTotal,
+    fiatTransactionAmount,
+    fiatTransactionFee,
+    fiatTransactionTotal,
+    hexGasTotal,
+    txData,
+    tokenData,
+    methodData,
+    tokenProps,
+    isTxReprice,
+    currentCurrency,
+    conversionRate,
+    transactionStatus,
+    nonce,
+  }
+}
+
+const mapDispatchToProps = dispatch => {
+  return {
+    clearConfirmTransaction: () => dispatch(clearConfirmTransaction()),
+    clearSend: () => dispatch(clearSend()),
+    showTransactionConfirmedModal: ({ onHide }) => {
+      return dispatch(showModal({ name: 'TRANSACTION_CONFIRMED', onHide }))
+    },
+    showCustomizeGasModal: ({ txData, onSubmit, validate }) => {
+      return dispatch(showModal({ name: 'CONFIRM_CUSTOMIZE_GAS', txData, onSubmit, validate }))
+    },
+    updateGasAndCalculate: ({ gasLimit, gasPrice }) => {
+      return dispatch(updateGasAndCalculate({ gasLimit, gasPrice }))
+    },
+    cancelTransaction: ({ id }) => dispatch(cancelTx({ id })),
+    sendTransaction: txData => dispatch(updateAndApproveTx(txData)),
+  }
+}
+
+const getValidateEditGas = ({ balance, conversionRate, txData }) => {
+  const { txParams: { value: amount } = {} } = txData
+
+  return ({ gasLimit, gasPrice }) => {
+    const gasTotal = getHexGasTotal({ gasLimit, gasPrice })
+    const hasSufficientBalance = isBalanceSufficient({
+      amount,
+      gasTotal,
+      balance,
+      conversionRate,
+    })
+
+    if (!hasSufficientBalance) {
+      return {
+        valid: false,
+        errorKey: INSUFFICIENT_FUNDS_ERROR_KEY,
+      }
+    }
+
+    const gasLimitTooLow = gasLimit && conversionGreaterThan(
+      {
+        value: MIN_GAS_LIMIT_DEC,
+        fromNumericBase: 'dec',
+        conversionRate,
+      },
+      {
+        value: gasLimit,
+        fromNumericBase: 'hex',
+      },
+    )
+
+    if (gasLimitTooLow) {
+      return {
+        valid: false,
+        errorKey: GAS_LIMIT_TOO_LOW_ERROR_KEY,
+      }
+    }
+
+    return {
+      valid: true,
+    }
+  }
+}
+
+const mergeProps = (stateProps, dispatchProps, ownProps) => {
+  const { balance, conversionRate, txData } = stateProps
+  const {
+    showCustomizeGasModal: dispatchShowCustomizeGasModal,
+    updateGasAndCalculate: dispatchUpdateGasAndCalculate,
+    ...otherDispatchProps
+  } = dispatchProps
+
+  const validateEditGas = getValidateEditGas({ balance, conversionRate, txData })
+
+  return {
+    ...stateProps,
+    ...otherDispatchProps,
+    ...ownProps,
+    showCustomizeGasModal: () => dispatchShowCustomizeGasModal({
+      txData,
+      onSubmit: txData => dispatchUpdateGasAndCalculate(txData),
+      validate: validateEditGas,
+    }),
+  }
+}
+
+export default compose(
+  withRouter,
+  connect(mapStateToProps, mapDispatchToProps, mergeProps)
+)(ConfirmTransactionBase)
diff --git a/ui/app/components/pages/confirm-transaction-base/index.js b/ui/app/components/pages/confirm-transaction-base/index.js
new file mode 100644
index 000000000..9996e9aeb
--- /dev/null
+++ b/ui/app/components/pages/confirm-transaction-base/index.js
@@ -0,0 +1 @@
+export { default } from './confirm-transaction-base.container'
diff --git a/ui/app/components/pages/confirm-transaction-switch/confirm-transaction-switch.component.js b/ui/app/components/pages/confirm-transaction-switch/confirm-transaction-switch.component.js
new file mode 100644
index 000000000..25259b98c
--- /dev/null
+++ b/ui/app/components/pages/confirm-transaction-switch/confirm-transaction-switch.component.js
@@ -0,0 +1,77 @@
+import React, { Component } from 'react'
+import PropTypes from 'prop-types'
+import { Redirect } from 'react-router-dom'
+import Loading from '../../loading-screen'
+import {
+  CONFIRM_TRANSACTION_ROUTE,
+  CONFIRM_DEPLOY_CONTRACT_PATH,
+  CONFIRM_SEND_ETHER_PATH,
+  CONFIRM_SEND_TOKEN_PATH,
+  CONFIRM_APPROVE_PATH,
+  CONFIRM_TOKEN_METHOD_PATH,
+  SIGNATURE_REQUEST_PATH,
+} from '../../../routes'
+import { isConfirmDeployContract } from './confirm-transaction-switch.util'
+import { TOKEN_METHOD_TRANSFER, TOKEN_METHOD_APPROVE } from './confirm-transaction-switch.constants'
+
+export default class ConfirmTransactionSwitch extends Component {
+  static propTypes = {
+    txData: PropTypes.object,
+    methodData: PropTypes.object,
+    fetchingMethodData: PropTypes.bool,
+  }
+
+  redirectToTransaction () {
+    const {
+      txData,
+      methodData: { name },
+      fetchingMethodData,
+    } = this.props
+    const { id } = txData
+
+
+    if (isConfirmDeployContract(txData)) {
+      const pathname = `${CONFIRM_TRANSACTION_ROUTE}/${id}${CONFIRM_DEPLOY_CONTRACT_PATH}`
+      return <Redirect to={{ pathname }} />
+    }
+
+    if (fetchingMethodData) {
+      return <Loading />
+    }
+
+    if (name) {
+      const methodName = name.toLowerCase()
+
+      switch (methodName.toLowerCase()) {
+        case TOKEN_METHOD_TRANSFER: {
+          const pathname = `${CONFIRM_TRANSACTION_ROUTE}/${id}${CONFIRM_SEND_TOKEN_PATH}`
+          return <Redirect to={{ pathname }} />
+        }
+        case TOKEN_METHOD_APPROVE: {
+          const pathname = `${CONFIRM_TRANSACTION_ROUTE}/${id}${CONFIRM_APPROVE_PATH}`
+          return <Redirect to={{ pathname }} />
+        }
+        default: {
+          const pathname = `${CONFIRM_TRANSACTION_ROUTE}/${id}${CONFIRM_TOKEN_METHOD_PATH}`
+          return <Redirect to={{ pathname }} />
+        }
+      }
+    }
+
+    const pathname = `${CONFIRM_TRANSACTION_ROUTE}/${id}${CONFIRM_SEND_ETHER_PATH}`
+    return <Redirect to={{ pathname }} />
+  }
+
+  render () {
+    const { txData } = this.props
+
+    if (txData.txParams) {
+      return this.redirectToTransaction()
+    } else if (txData.msgParams) {
+      const pathname = `${CONFIRM_TRANSACTION_ROUTE}/${txData.id}${SIGNATURE_REQUEST_PATH}`
+      return <Redirect to={{ pathname }} />
+    }
+
+    return <Loading />
+  }
+}
diff --git a/ui/app/components/pages/confirm-transaction-switch/confirm-transaction-switch.constants.js b/ui/app/components/pages/confirm-transaction-switch/confirm-transaction-switch.constants.js
new file mode 100644
index 000000000..622d2a37a
--- /dev/null
+++ b/ui/app/components/pages/confirm-transaction-switch/confirm-transaction-switch.constants.js
@@ -0,0 +1,2 @@
+export const TOKEN_METHOD_TRANSFER = 'transfer'
+export const TOKEN_METHOD_APPROVE = 'approve'
diff --git a/ui/app/components/pages/confirm-transaction-switch/confirm-transaction-switch.container.js b/ui/app/components/pages/confirm-transaction-switch/confirm-transaction-switch.container.js
new file mode 100644
index 000000000..3d7fc78cc
--- /dev/null
+++ b/ui/app/components/pages/confirm-transaction-switch/confirm-transaction-switch.container.js
@@ -0,0 +1,20 @@
+import { connect } from 'react-redux'
+import ConfirmTransactionSwitch from './confirm-transaction-switch.component'
+
+const mapStateToProps = state => {
+  const {
+    confirmTransaction: {
+      txData,
+      methodData,
+      fetchingMethodData,
+    },
+  } = state
+
+  return {
+    txData,
+    methodData,
+    fetchingMethodData,
+  }
+}
+
+export default connect(mapStateToProps)(ConfirmTransactionSwitch)
diff --git a/ui/app/components/pages/confirm-transaction-switch/confirm-transaction-switch.util.js b/ui/app/components/pages/confirm-transaction-switch/confirm-transaction-switch.util.js
new file mode 100644
index 000000000..536aa5212
--- /dev/null
+++ b/ui/app/components/pages/confirm-transaction-switch/confirm-transaction-switch.util.js
@@ -0,0 +1,4 @@
+export function isConfirmDeployContract (txData = {}) {
+  const { txParams = {} } = txData
+  return !txParams.to
+}
diff --git a/ui/app/components/pages/confirm-transaction-switch/index.js b/ui/app/components/pages/confirm-transaction-switch/index.js
new file mode 100644
index 000000000..c288acb1a
--- /dev/null
+++ b/ui/app/components/pages/confirm-transaction-switch/index.js
@@ -0,0 +1,2 @@
+import ConfirmTransactionSwitch from './confirm-transaction-switch.container'
+module.exports = ConfirmTransactionSwitch
diff --git a/ui/app/components/pages/confirm-transaction/confirm-transaction.component.js b/ui/app/components/pages/confirm-transaction/confirm-transaction.component.js
new file mode 100644
index 000000000..874a89fd2
--- /dev/null
+++ b/ui/app/components/pages/confirm-transaction/confirm-transaction.component.js
@@ -0,0 +1,150 @@
+import React, { Component } from 'react'
+import PropTypes from 'prop-types'
+import { Switch, Route } from 'react-router-dom'
+import Loading from '../../loading-screen'
+import ConfirmTransactionSwitch from '../confirm-transaction-switch'
+import ConfirmTransactionBase from '../confirm-transaction-base'
+import ConfirmSendEther from '../confirm-send-ether'
+import ConfirmSendToken from '../confirm-send-token'
+import ConfirmDeployContract from '../confirm-deploy-contract'
+import ConfirmApprove from '../confirm-approve'
+import ConfTx from '../../../conf-tx'
+import {
+  DEFAULT_ROUTE,
+  CONFIRM_TRANSACTION_ROUTE,
+  CONFIRM_DEPLOY_CONTRACT_PATH,
+  CONFIRM_SEND_ETHER_PATH,
+  CONFIRM_SEND_TOKEN_PATH,
+  CONFIRM_APPROVE_PATH,
+  CONFIRM_TOKEN_METHOD_PATH,
+  SIGNATURE_REQUEST_PATH,
+} from '../../../routes'
+
+export default class ConfirmTransaction extends Component {
+  static propTypes = {
+    history: PropTypes.object.isRequired,
+    totalUnapprovedCount: PropTypes.number.isRequired,
+    match: PropTypes.object,
+    send: PropTypes.object,
+    unconfirmedTransactions: PropTypes.array,
+    setTransactionToConfirm: PropTypes.func,
+    confirmTransaction: PropTypes.object,
+    clearConfirmTransaction: PropTypes.func,
+  }
+
+  getParamsTransactionId () {
+    const { match: { params: { id } = {} } } = this.props
+    return id || null
+  }
+
+  componentDidMount () {
+    const {
+      totalUnapprovedCount = 0,
+      send = {},
+      history,
+      confirmTransaction: { txData: { id: transactionId } = {} },
+    } = this.props
+
+    if (!totalUnapprovedCount && !send.to) {
+      history.replace(DEFAULT_ROUTE)
+      return
+    }
+
+    if (!transactionId) {
+      this.setTransactionToConfirm()
+    }
+  }
+
+  componentDidUpdate () {
+    const {
+      setTransactionToConfirm,
+      confirmTransaction: { txData: { id: transactionId } = {} },
+      clearConfirmTransaction,
+    } = this.props
+    const paramsTransactionId = this.getParamsTransactionId()
+
+    if (paramsTransactionId && transactionId && paramsTransactionId !== transactionId + '') {
+      clearConfirmTransaction()
+      setTransactionToConfirm(paramsTransactionId)
+      return
+    }
+
+    if (!transactionId) {
+      this.setTransactionToConfirm()
+    }
+  }
+
+  setTransactionToConfirm () {
+    const {
+      history,
+      unconfirmedTransactions,
+      setTransactionToConfirm,
+    } = this.props
+    const paramsTransactionId = this.getParamsTransactionId()
+
+    if (paramsTransactionId) {
+      // Check to make sure params ID is valid
+      const tx = unconfirmedTransactions.find(({ id }) => id + '' === paramsTransactionId)
+
+      if (!tx) {
+        history.replace(DEFAULT_ROUTE)
+      } else {
+        setTransactionToConfirm(paramsTransactionId)
+      }
+    } else if (unconfirmedTransactions.length) {
+      const totalUnconfirmed = unconfirmedTransactions.length
+      const transaction = unconfirmedTransactions[totalUnconfirmed - 1]
+      const { id: transactionId, loadingDefaults } = transaction
+
+      if (!loadingDefaults) {
+        setTransactionToConfirm(transactionId)
+      }
+    }
+  }
+
+  render () {
+    const { confirmTransaction: { txData: { id } } = {} } = this.props
+    const paramsTransactionId = this.getParamsTransactionId()
+
+    // Show routes when state.confirmTransaction has been set and when either the ID in the params
+    // isn't specified or is specified and matches the ID in state.confirmTransaction in order to
+    // support URLs of /confirm-transaction or /confirm-transaction/<transactionId>
+    return id && (!paramsTransactionId || paramsTransactionId === id + '')
+      ? (
+        <Switch>
+          <Route
+            exact
+            path={`${CONFIRM_TRANSACTION_ROUTE}/:id?${CONFIRM_DEPLOY_CONTRACT_PATH}`}
+            component={ConfirmDeployContract}
+          />
+          <Route
+            exact
+            path={`${CONFIRM_TRANSACTION_ROUTE}/:id?${CONFIRM_TOKEN_METHOD_PATH}`}
+            component={ConfirmTransactionBase}
+          />
+          <Route
+            exact
+            path={`${CONFIRM_TRANSACTION_ROUTE}/:id?${CONFIRM_SEND_ETHER_PATH}`}
+            component={ConfirmSendEther}
+          />
+          <Route
+            exact
+            path={`${CONFIRM_TRANSACTION_ROUTE}/:id?${CONFIRM_SEND_TOKEN_PATH}`}
+            component={ConfirmSendToken}
+          />
+          <Route
+            exact
+            path={`${CONFIRM_TRANSACTION_ROUTE}/:id?${CONFIRM_APPROVE_PATH}`}
+            component={ConfirmApprove}
+          />
+          <Route
+            exact
+            path={`${CONFIRM_TRANSACTION_ROUTE}/:id?${SIGNATURE_REQUEST_PATH}`}
+            component={ConfTx}
+          />
+          <Route path="*" component={ConfirmTransactionSwitch} />
+        </Switch>
+      )
+      : <Loading />
+  }
+}
diff --git a/ui/app/components/pages/confirm-transaction/confirm-transaction.container.js b/ui/app/components/pages/confirm-transaction/confirm-transaction.container.js
new file mode 100644
index 000000000..1bc2f1efb
--- /dev/null
+++ b/ui/app/components/pages/confirm-transaction/confirm-transaction.container.js
@@ -0,0 +1,33 @@
+import { connect } from 'react-redux'
+import { compose } from 'recompose'
+import { withRouter } from 'react-router-dom'
+import {
+  setTransactionToConfirm,
+  clearConfirmTransaction,
+} from '../../../ducks/confirm-transaction.duck'
+import ConfirmTransaction from './confirm-transaction.component'
+import { getTotalUnapprovedCount } from '../../../selectors'
+import { unconfirmedTransactionsListSelector } from '../../../selectors/confirm-transaction'
+
+const mapStateToProps = state => {
+  const { metamask: { send }, confirmTransaction } = state
+
+  return {
+    totalUnapprovedCount: getTotalUnapprovedCount(state),
+    send,
+    confirmTransaction,
+    unconfirmedTransactions: unconfirmedTransactionsListSelector(state),
+  }
+}
+
+const mapDispatchToProps = dispatch => {
+  return {
+    setTransactionToConfirm: transactionId => dispatch(setTransactionToConfirm(transactionId)),
+    clearConfirmTransaction: () => dispatch(clearConfirmTransaction()),
+  }
+}
+
+export default compose(
+  withRouter,
+  connect(mapStateToProps, mapDispatchToProps),
+)(ConfirmTransaction)
diff --git a/ui/app/components/pages/confirm-transaction/index.js b/ui/app/components/pages/confirm-transaction/index.js
new file mode 100644
index 000000000..4bf42d85c
--- /dev/null
+++ b/ui/app/components/pages/confirm-transaction/index.js
@@ -0,0 +1,2 @@
+import ConfirmTransaction from './confirm-transaction.container'
+module.exports = ConfirmTransaction
diff --git a/ui/app/components/pages/home.js b/ui/app/components/pages/home.js
index c53413d3b..86bd32c8a 100644
--- a/ui/app/components/pages/home.js
+++ b/ui/app/components/pages/home.js
@@ -83,51 +83,6 @@ class Home extends Component {
       })
     }
 
-    // if (!props.noActiveNotices) {
-    //   log.debug('rendering notice screen for unread notices.')
-    //   return h(NoticeScreen, {
-    //     notice: props.nextUnreadNotice,
-    //     key: 'NoticeScreen',
-    //     onConfirm: () => props.dispatch(actions.markNoticeRead(props.nextUnreadNotice)),
-    //   })
-    // } else if (props.lostAccounts && props.lostAccounts.length > 0) {
-    //   log.debug('rendering notice screen for lost accounts view.')
-    //   return h(NoticeScreen, {
-    //     notice: generateLostAccountsNotice(props.lostAccounts),
-    //     key: 'LostAccountsNotice',
-    //     onConfirm: () => props.dispatch(actions.markAccountsFound()),
-    //   })
-    // }
-
-    // if (props.seedWords) {
-    //   log.debug('rendering seed words')
-    //   return h(HDCreateVaultComplete, {key: 'HDCreateVaultComplete'})
-    // }
-
-    // show initialize screen
-    // if (!isInitialized || forgottenPassword) {
-    //   // show current view
-    //   log.debug('rendering an initialize screen')
-    //   // switch (props.currentView.name) {
-
-    //     // case 'restoreVault':
-    //     //   log.debug('rendering restore vault screen')
-    //     //   return h(HDRestoreVaultScreen, {key: 'HDRestoreVaultScreen'})
-
-    //   //   default:
-    //   //     log.debug('rendering menu screen')
-    //   //     return h(InitializeScreen, {key: 'menuScreenInit'})
-    //   // }
-    // }
-
-    // // show unlock screen
-    // if (!props.isUnlocked) {
-    //   return h(MainContainer, {
-    //     currentViewName: props.currentView.name,
-    //     isUnlocked: props.isUnlocked,
-    //   })
-    // }
-
     // show current view
     switch (currentView.name) {
 
@@ -135,59 +90,10 @@ class Home extends Component {
         log.debug('rendering main container')
         return h(MainContainer, {key: 'account-detail'})
 
-      // case 'sendTransaction':
-      //   log.debug('rendering send tx screen')
-
-      //   // Going to leave this here until we are ready to delete SendTransactionScreen v1
-      //   // const SendComponentToRender = checkFeatureToggle('send-v2')
-      //   //   ? SendTransactionScreen2
-      //   //   : SendTransactionScreen
-
-      //   return h(SendTransactionScreen2, {key: 'send-transaction'})
-
-      // case 'sendToken':
-      //   log.debug('rendering send token screen')
-
-      //   // Going to leave this here until we are ready to delete SendTransactionScreen v1
-      //   // const SendTokenComponentToRender = checkFeatureToggle('send-v2')
-      //   //   ? SendTransactionScreen2
-      //   //   : SendTokenScreen
-
-      //   return h(SendTransactionScreen2, {key: 'sendToken'})
-
       case 'newKeychain':
         log.debug('rendering new keychain screen')
         return h(NewKeyChainScreen, {key: 'new-keychain'})
 
-      // case 'confTx':
-      //   log.debug('rendering confirm tx screen')
-      //   return h(Redirect, {
-      //     to: {
-      //       pathname: CONFIRM_TRANSACTION_ROUTE,
-      //     },
-      //   })
-        // return h(ConfirmTxScreen, {key: 'confirm-tx'})
-
-      // case 'add-token':
-      //   log.debug('rendering add-token screen from unlock screen.')
-      //   return h(AddTokenScreen, {key: 'add-token'})
-
-      // case 'config':
-      //   log.debug('rendering config screen')
-      //   return h(Settings, {key: 'config'})
-
-      // case 'import-menu':
-      //   log.debug('rendering import screen')
-      //   return h(Import, {key: 'import-menu'})
-
-      // case 'reveal-seed-conf':
-      //   log.debug('rendering reveal seed confirmation screen')
-      //   return h(RevealSeedConfirmation, {key: 'reveal-seed-conf'})
-
-      // case 'info':
-      //   log.debug('rendering info screen')
-      //   return h(Settings, {key: 'info', tab: 'info'})
-
       case 'buyEth':
         log.debug('rendering buy ether screen')
         return h(BuyView, {key: 'buyEthView'})
diff --git a/ui/app/components/pages/index.scss b/ui/app/components/pages/index.scss
index b15c59863..8b333b6a8 100644
--- a/ui/app/components/pages/index.scss
+++ b/ui/app/components/pages/index.scss
@@ -3,3 +3,5 @@
 @import './add-token/index';
 
 @import './confirm-add-token/index';
+
+@import './confirm-send-token/index';
diff --git a/ui/app/components/pages/unlock-page/unlock-page.component.js b/ui/app/components/pages/unlock-page/unlock-page.component.js
index a1d3f9181..94915df76 100644
--- a/ui/app/components/pages/unlock-page/unlock-page.component.js
+++ b/ui/app/components/pages/unlock-page/unlock-page.component.js
@@ -2,19 +2,27 @@ import React, { Component } from 'react'
 import PropTypes from 'prop-types'
 import Button from '@material-ui/core/Button'
 import TextField from '../../text-field'
-
-const { ENVIRONMENT_TYPE_POPUP } = require('../../../../../app/scripts/lib/enums')
-const { getEnvironmentType } = require('../../../../../app/scripts/lib/util')
-const getCaretCoordinates = require('textarea-caret')
-const EventEmitter = require('events').EventEmitter
-const Mascot = require('../../mascot')
-const { DEFAULT_ROUTE, RESTORE_VAULT_ROUTE } = require('../../../routes')
-
-class UnlockPage extends Component {
+import { ENVIRONMENT_TYPE_POPUP } from '../../../../../app/scripts/lib/enums'
+import { getEnvironmentType } from '../../../../../app/scripts/lib/util'
+import getCaretCoordinates from 'textarea-caret'
+import { EventEmitter } from 'events'
+import Mascot from '../../mascot'
+import { DEFAULT_ROUTE, RESTORE_VAULT_ROUTE } from '../../../routes'
+
+export default class UnlockPage extends Component {
   static contextTypes = {
     t: PropTypes.func,
   }
 
+  static propTypes = {
+    forgotPassword: PropTypes.func,
+    tryUnlockMetamask: PropTypes.func,
+    markPasswordForgotten: PropTypes.func,
+    history: PropTypes.object,
+    isUnlocked: PropTypes.bool,
+    useOldInterface: PropTypes.func,
+  }
+
   constructor (props) {
     super(props)
 
@@ -23,6 +31,7 @@ class UnlockPage extends Component {
       error: null,
     }
 
+    this.submitting = false
     this.animationEventEmitter = new EventEmitter()
   }
 
@@ -41,20 +50,21 @@ class UnlockPage extends Component {
     const { password } = this.state
     const { tryUnlockMetamask, history } = this.props
 
-    if (password === '') {
+    if (password === '' || this.submitting) {
       return
     }
 
     this.setState({ error: null })
+    this.submitting = true
 
     try {
       await tryUnlockMetamask(password)
+      this.submitting = false
+      history.push(DEFAULT_ROUTE)
     } catch ({ message }) {
       this.setState({ error: message })
-      return
+      this.submitting = false
     }
-
-    history.push(DEFAULT_ROUTE)
   }
 
   handleInputChange ({ target }) {
@@ -98,7 +108,9 @@ class UnlockPage extends Component {
   }
 
   render () {
-    const { error } = this.state
+    const { password, error } = this.state
+    const { t } = this.context
+    const { markPasswordForgotten, history } = this.props
 
     return (
       <div className="unlock-page__container">
@@ -111,18 +123,18 @@ class UnlockPage extends Component {
             />
           </div>
           <h1 className="unlock-page__title">
-            { this.context.t('welcomeBack') }
+            { t('welcomeBack') }
           </h1>
-          <div>{ this.context.t('unlockMessage') }</div>
+          <div>{ t('unlockMessage') }</div>
           <form
             className="unlock-page__form"
             onSubmit={event => this.handleSubmit(event)}
           >
             <TextField
               id="password"
-              label={this.context.t('password')}
+              label={t('password')}
               type="password"
-              value={this.state.password}
+              value={password}
               onChange={event => this.handleInputChange(event)}
               error={error}
               autoFocus
@@ -136,28 +148,28 @@ class UnlockPage extends Component {
             <div
               className="unlock-page__link"
               onClick={() => {
-                this.props.markPasswordForgotten()
-                this.props.history.push(RESTORE_VAULT_ROUTE)
+                markPasswordForgotten()
+                history.push(RESTORE_VAULT_ROUTE)
 
                 if (getEnvironmentType(window.location.href) === ENVIRONMENT_TYPE_POPUP) {
                   global.platform.openExtensionInBrowser()
                 }
               }}
             >
-              { this.context.t('restoreFromSeed') }
+              { t('restoreFromSeed') }
             </div>
             <div
               className="unlock-page__link unlock-page__link--import"
               onClick={() => {
-                this.props.markPasswordForgotten()
-                this.props.history.push(RESTORE_VAULT_ROUTE)
+                markPasswordForgotten()
+                history.push(RESTORE_VAULT_ROUTE)
 
                 if (getEnvironmentType(window.location.href) === ENVIRONMENT_TYPE_POPUP) {
                   global.platform.openExtensionInBrowser()
                 }
               }}
             >
-              { this.context.t('importUsingSeed') }
+              { t('importUsingSeed') }
             </div>
           </div>
         </div>
@@ -165,15 +177,3 @@ class UnlockPage extends Component {
     )
   }
 }
-
-UnlockPage.propTypes = {
-  forgotPassword: PropTypes.func,
-  tryUnlockMetamask: PropTypes.func,
-  markPasswordForgotten: PropTypes.func,
-  history: PropTypes.object,
-  isUnlocked: PropTypes.bool,
-  t: PropTypes.func,
-  useOldInterface: PropTypes.func,
-}
-
-export default UnlockPage