Add fallback when no function found, fix network colors, add fiat values for tokens with contract exchange rates

app/_locales/en/messages.json

@@ -581,6 +581,9 @@
   "noAddressForName": {
     "message": "No address has been set for this name."
   },
+  "noConversionRate": {
+    "message": "No Conversion Rate"
+  },
   "noDeposits": {
     "message": "No deposits received"
   },
@@ -593,6 +596,9 @@
   "noTransactions": {
     "message": "No Transactions"
   },
+  "notFound": {
+    "message": "Not Found"
+  },
   "notStarted": {
     "message": "Not Started"
   },
@@ -972,6 +978,9 @@
   "unknown": {
     "message": "Unknown"
   },
+  "unknownFunction": {
+    "message": "Unknown Function"
+  },
   "unknownNetwork": {
     "message": "Unknown Private Network"
   },

ui/app/components/confirm-page-container/confirm-detail-row/confirm-detail-row.component.js

@@ -5,10 +5,10 @@ import classnames from 'classnames'
 const ConfirmDetailRow = props => {
   const {
     label,
-    fiatFee,
-    ethFee,
+    fiatText,
+    ethText,
     onHeaderClick,
-    fiatFeeColor,
+    fiatTextColor,
     headerText,
     headerTextClassName,
   } = props
@@ -27,12 +27,12 @@ const ConfirmDetailRow = props => {
         </div>
         <div
           className="confirm-detail-row__fiat"
-          style={{ color: fiatFeeColor }}
+          style={{ color: fiatTextColor }}
         >
-          { fiatFee }
+          { fiatText }
         </div>
         <div className="confirm-detail-row__eth">
-          { `\u2666 ${ethFee}` }
+          { ethText }
         </div>
       </div>
     </div>
@@ -41,9 +41,9 @@ const ConfirmDetailRow = props => {
 
 ConfirmDetailRow.propTypes = {
   label: PropTypes.string,
-  fiatFee: PropTypes.string,
-  ethFee: PropTypes.string,
-  fiatFeeColor: PropTypes.string,
+  fiatText: PropTypes.string,
+  ethText: PropTypes.string,
+  fiatTextColor: PropTypes.string,
   onHeaderClick: PropTypes.func,
   headerText: PropTypes.string,
   headerTextClassName: PropTypes.string,

ui/app/components/network-display/index.scss

@@ -9,7 +9,7 @@
     height: 25px;
 
     &--mainnet {
-      background-color: lighten($blue-lagoon, 45%);
+      background-color: lighten($blue-lagoon, 68%);
     }
 
     &--ropsten {
@@ -17,11 +17,11 @@
     }
 
     &--kovan {
-      background-color: lighten($purple, 45%);
+      background-color: lighten($purple, 65%);
     }
 
     &--rinkeby {
-      background-color: lighten($tulip-tree, 45%);
+      background-color: lighten($tulip-tree, 35%);
     }
   }
 

ui/app/components/pages/confirm-approve/confirm-approve.component.js

@@ -1,29 +1,18 @@
 import React, { Component } from 'react'
 import PropTypes from 'prop-types'
-import ConfirmTransactionBase from '../confirm-transaction-base'
+import ConfirmTokenTransactionBase from '../confirm-token-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,
+    tokenAmount: PropTypes.number,
   }
 
   render () {
-    const { toAddress, tokenAddress, tokenAmount, tokenSymbol } = this.props
+    const { tokenAmount } = 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
+      <ConfirmTokenTransactionBase
+        tokenAmount={tokenAmount}
       />
     )
   }

ui/app/components/pages/confirm-approve/confirm-approve.container.js

@@ -1,27 +1,12 @@
 import { connect } from 'react-redux'
 import ConfirmApprove from './confirm-approve.component'
+import { approveTokenAmountAndToAddressSelector } from '../../../selectors/confirm-transaction'
 
 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
-  }
+  const { tokenAmount } = approveTokenAmountAndToAddressSelector(state)
 
   return {
-    toAddress,
-    tokenAddress,
     tokenAmount,
-    tokenSymbol,
   }
 }
 

ui/app/components/pages/confirm-send-token/confirm-send-token.component.js

@@ -1,20 +1,13 @@
 import React, { Component } from 'react'
 import PropTypes from 'prop-types'
-import ConfirmTransactionBase from '../confirm-transaction-base'
+import ConfirmTokenTransactionBase from '../confirm-token-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,
+    tokenAmount: PropTypes.number,
   }
 
   handleEdit (confirmTransactionData) {
@@ -24,15 +17,12 @@ export default class ConfirmSendToken extends Component {
   }
 
   render () {
-    const { toAddress, tokenAddress, tokenSymbol, numberOfTokens } = this.props
+    const { tokenAmount } = this.props
 
     return (
-      <ConfirmTransactionBase
-        toAddress={toAddress}
-        identiconAddress={tokenAddress}
-        title={`${numberOfTokens} ${tokenSymbol}`}
+      <ConfirmTokenTransactionBase
         onEdit={confirmTransactionData => this.handleEdit(confirmTransactionData)}
-        hideSubtitle
+        tokenAmount={tokenAmount}
       />
     )
   }

ui/app/components/pages/confirm-send-token/confirm-send-token.container.js

@@ -2,36 +2,16 @@ 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'
+import { sendTokenTokenAmountAndToAddressSelector } from '../../../selectors/confirm-transaction'
 
 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
+  const { tokenAmount } = sendTokenTokenAmountAndToAddressSelector(state)
 
   return {
-    toAddress,
-    tokenAddress,
-    tokenSymbol,
-    numberOfTokens,
+    tokenAmount,
   }
 }
 

ui/app/components/pages/confirm-token-transaction-base/confirm-token-transaction-base.component.js

@@ -0,0 +1,85 @@
+import React, { Component } from 'react'
+import PropTypes from 'prop-types'
+import ConfirmTransactionBase from '../confirm-transaction-base'
+import {
+  formatCurrency,
+  convertTokenToFiat,
+  addFiat,
+} from '../../../helpers/confirm-transaction/util'
+
+export default class ConfirmTokenTransactionBase extends Component {
+  static contextTypes = {
+    t: PropTypes.func,
+  }
+
+  static propTypes = {
+    tokenAddress: PropTypes.string,
+    toAddress: PropTypes.string,
+    tokenAmount: PropTypes.number,
+    tokenSymbol: PropTypes.string,
+    fiatTransactionTotal: PropTypes.string,
+    ethTransactionTotal: PropTypes.string,
+    contractExchangeRate: PropTypes.number,
+    conversionRate: PropTypes.number,
+    currentCurrency: PropTypes.string,
+  }
+
+  getFiatTransactionAmount () {
+    const { tokenAmount, currentCurrency, conversionRate, contractExchangeRate } = this.props
+
+    return convertTokenToFiat({
+      value: tokenAmount,
+      toCurrency: currentCurrency,
+      conversionRate,
+      contractExchangeRate,
+    })
+  }
+
+  getSubtitle () {
+    const { currentCurrency, contractExchangeRate } = this.props
+
+    if (typeof contractExchangeRate === 'undefined') {
+      return this.context.t('noConversionRate')
+    } else {
+      const fiatTransactionAmount = this.getFiatTransactionAmount()
+      return formatCurrency(fiatTransactionAmount, currentCurrency)
+    }
+  }
+
+  getFiatTotalTextOverride () {
+    const { fiatTransactionTotal, currentCurrency, contractExchangeRate } = this.props
+
+    if (typeof contractExchangeRate === 'undefined') {
+      return formatCurrency(fiatTransactionTotal, currentCurrency)
+    } else {
+      const fiatTransactionAmount = this.getFiatTransactionAmount()
+      const fiatTotal = addFiat(fiatTransactionAmount, fiatTransactionTotal)
+      return formatCurrency(fiatTotal, currentCurrency)
+    }
+  }
+
+  render () {
+    const {
+      toAddress,
+      tokenAddress,
+      tokenSymbol,
+      tokenAmount,
+      ethTransactionTotal,
+      ...restProps
+    } = this.props
+
+    const tokensText = `${tokenAmount} ${tokenSymbol}`
+
+    return (
+      <ConfirmTransactionBase
+        toAddress={toAddress}
+        identiconAddress={tokenAddress}
+        title={tokensText}
+        subtitle={this.getSubtitle()}
+        ethTotalTextOverride={`${tokensText} + \u2666 ${ethTransactionTotal}`}
+        fiatTotalTextOverride={this.getFiatTotalTextOverride()}
+        {...restProps}
+      />
+    )
+  }
+}

ui/app/components/pages/confirm-token-transaction-base/confirm-token-transaction-base.container.js

@@ -0,0 +1,34 @@
+import { connect } from 'react-redux'
+import ConfirmTokenTransactionBase from './confirm-token-transaction-base.component'
+import {
+  tokenAmountAndToAddressSelector,
+  contractExchangeRateSelector,
+} from '../../../selectors/confirm-transaction'
+
+const mapStateToProps = (state, ownProps) => {
+  const { tokenAmount: ownTokenAmount } = ownProps
+  const { confirmTransaction, metamask: { currentCurrency, conversionRate } } = state
+  const {
+    txData: { txParams: { to: tokenAddress } = {} } = {},
+    tokenProps: { tokenSymbol } = {},
+    fiatTransactionTotal,
+    ethTransactionTotal,
+  } = confirmTransaction
+
+  const { tokenAmount, toAddress } = tokenAmountAndToAddressSelector(state)
+  const contractExchangeRate = contractExchangeRateSelector(state)
+
+  return {
+    toAddress,
+    tokenAddress,
+    tokenAmount: typeof ownTokenAmount !== 'undefined' ? ownTokenAmount : tokenAmount,
+    tokenSymbol,
+    currentCurrency,
+    conversionRate,
+    contractExchangeRate,
+    fiatTransactionTotal,
+    ethTransactionTotal,
+  }
+}
+
+export default connect(mapStateToProps)(ConfirmTokenTransactionBase)

ui/app/components/pages/confirm-token-transaction-base/index.js

@@ -0,0 +1,2 @@
+export { default } from './confirm-token-transaction-base.container'
+export { default as ConfirmTokenTransactionBase } from './confirm-token-transaction-base.component'

ui/app/components/pages/confirm-transaction-base/confirm-transaction-base.component.js

@@ -54,6 +54,8 @@ export default class ConfirmTransactionBase extends Component {
     detailsComponent: PropTypes.node,
     errorKey: PropTypes.string,
     errorMessage: PropTypes.string,
+    ethTotalTextOverride: PropTypes.string,
+    fiatTotalTextOverride: PropTypes.string,
     hideData: PropTypes.bool,
     hideDetails: PropTypes.bool,
     hideSubtitle: PropTypes.bool,
@@ -146,6 +148,8 @@ export default class ConfirmTransactionBase extends Component {
       currentCurrency,
       fiatTransactionTotal,
       ethTransactionTotal,
+      fiatTotalTextOverride,
+      ethTotalTextOverride,
       hideDetails,
     } = this.props
 
@@ -153,14 +157,16 @@ export default class ConfirmTransactionBase extends Component {
       return null
     }
 
+    const formattedCurrency = formatCurrency(fiatTransactionTotal, currentCurrency)
+
     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}
+              fiatText={formatCurrency(fiatTransactionFee, currentCurrency)}
+              ethText={`\u2666 ${ethTransactionFee}`}
               headerText="Edit"
               headerTextClassName="confirm-detail-row__header-text--edit"
               onHeaderClick={() => this.handleEditGas()}
@@ -169,11 +175,11 @@ export default class ConfirmTransactionBase extends Component {
           <div>
             <ConfirmDetailRow
               label="Total"
-              fiatFee={formatCurrency(fiatTransactionTotal, currentCurrency)}
-              ethFee={ethTransactionTotal}
+              fiatText={fiatTotalTextOverride || formattedCurrency}
+              ethText={ethTotalTextOverride || `\u2666 ${ethTransactionTotal}`}
               headerText="Amount + Gas Fee"
               headerTextClassName="confirm-detail-row__header-text--total"
-              fiatFeeColor="#2f9ae0"
+              fiatTextColor="#2f9ae0"
             />
           </div>
         </div>
@@ -206,17 +212,21 @@ export default class ConfirmTransactionBase extends Component {
         <div className="confirm-page-container-content__data-box-label">
           {`${t('functionType')}:`}
           <span className="confirm-page-container-content__function-type">
-            { name }
+            { name || t('notFound') }
           </span>
         </div>
-        <div className="confirm-page-container-content__data-box">
-          <div className="confirm-page-container-content__data-field-label">
-            { `${t('parameters')}:` }
-          </div>
-          <div>
-            <pre>{ JSON.stringify(params, null, 2) }</pre>
-          </div>
-        </div>
+        {
+          params && (
+            <div className="confirm-page-container-content__data-box">
+              <div className="confirm-page-container-content__data-field-label">
+                { `${t('parameters')}:` }
+              </div>
+              <div>
+                <pre>{ JSON.stringify(params, null, 2) }</pre>
+              </div>
+            </div>
+          )
+        }
         <div className="confirm-page-container-content__data-box-label">
           {`${t('hexData')}:`}
         </div>
@@ -297,7 +307,7 @@ export default class ConfirmTransactionBase extends Component {
         toName={toName}
         toAddress={toAddress}
         showEdit={onEdit && !isTxReprice}
-        action={action || name}
+        action={action || name || this.context.t('unknownFunction')}
         title={title || `${fiatConvertedAmount} ${currentCurrency.toUpperCase()}`}
         subtitle={subtitle || `\u2666 ${ethTransactionAmount}`}
         hideSubtitle={hideSubtitle}

ui/app/components/pages/confirm-transaction-switch/confirm-transaction-switch.component.js

@@ -8,11 +8,16 @@ import {
   CONFIRM_SEND_ETHER_PATH,
   CONFIRM_SEND_TOKEN_PATH,
   CONFIRM_APPROVE_PATH,
+  CONFIRM_TRANSFER_FROM_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'
+import {
+  TOKEN_METHOD_TRANSFER,
+  TOKEN_METHOD_APPROVE,
+  TOKEN_METHOD_TRANSFER_FROM,
+} from './confirm-transaction-switch.constants'
 
 export default class ConfirmTransactionSwitch extends Component {
   static propTypes = {
@@ -27,8 +32,7 @@ export default class ConfirmTransactionSwitch extends Component {
       methodData: { name },
       fetchingMethodData,
     } = this.props
-    const { id } = txData
-
+    const { id, txParams: { data } = {} } = txData
 
     if (isConfirmDeployContract(txData)) {
       const pathname = `${CONFIRM_TRANSACTION_ROUTE}/${id}${CONFIRM_DEPLOY_CONTRACT_PATH}`
@@ -39,10 +43,10 @@ export default class ConfirmTransactionSwitch extends Component {
       return <Loading />
     }
 
-    if (name) {
-      const methodName = name.toLowerCase()
+    if (data) {
+      const methodName = name && name.toLowerCase()
 
-      switch (methodName.toLowerCase()) {
+      switch (methodName) {
         case TOKEN_METHOD_TRANSFER: {
           const pathname = `${CONFIRM_TRANSACTION_ROUTE}/${id}${CONFIRM_SEND_TOKEN_PATH}`
           return <Redirect to={{ pathname }} />
@@ -51,6 +55,10 @@ export default class ConfirmTransactionSwitch extends Component {
           const pathname = `${CONFIRM_TRANSACTION_ROUTE}/${id}${CONFIRM_APPROVE_PATH}`
           return <Redirect to={{ pathname }} />
         }
+        case TOKEN_METHOD_TRANSFER_FROM: {
+          const pathname = `${CONFIRM_TRANSACTION_ROUTE}/${id}${CONFIRM_TRANSFER_FROM_PATH}`
+          return <Redirect to={{ pathname }} />
+        }
         default: {
           const pathname = `${CONFIRM_TRANSACTION_ROUTE}/${id}${CONFIRM_TOKEN_METHOD_PATH}`
           return <Redirect to={{ pathname }} />

ui/app/components/pages/confirm-transaction-switch/confirm-transaction-switch.constants.js

@@ -1,2 +1,3 @@
 export const TOKEN_METHOD_TRANSFER = 'transfer'
 export const TOKEN_METHOD_APPROVE = 'approve'
+export const TOKEN_METHOD_TRANSFER_FROM = 'transferfrom'

ui/app/components/pages/confirm-transaction/confirm-transaction.component.js

@@ -8,6 +8,7 @@ import ConfirmSendEther from '../confirm-send-ether'
 import ConfirmSendToken from '../confirm-send-token'
 import ConfirmDeployContract from '../confirm-deploy-contract'
 import ConfirmApprove from '../confirm-approve'
+import ConfirmTokenTransactionBase from '../confirm-token-transaction-base'
 import ConfTx from '../../../conf-tx'
 import {
   DEFAULT_ROUTE,
@@ -16,6 +17,7 @@ import {
   CONFIRM_SEND_ETHER_PATH,
   CONFIRM_SEND_TOKEN_PATH,
   CONFIRM_APPROVE_PATH,
+  CONFIRM_TRANSFER_FROM_PATH,
   CONFIRM_TOKEN_METHOD_PATH,
   SIGNATURE_REQUEST_PATH,
 } from '../../../routes'
@@ -137,6 +139,11 @@ export default class ConfirmTransaction extends Component {
             path={`${CONFIRM_TRANSACTION_ROUTE}/:id?${CONFIRM_APPROVE_PATH}`}
             component={ConfirmApprove}
           />
+          <Route
+            exact
+            path={`${CONFIRM_TRANSACTION_ROUTE}/:id?${CONFIRM_TRANSFER_FROM_PATH}`}
+            component={ConfirmTokenTransactionBase}
+          />
           <Route
             exact
             path={`${CONFIRM_TRANSACTION_ROUTE}/:id?${SIGNATURE_REQUEST_PATH}`}

ui/app/helpers/confirm-transaction/util.js

@@ -114,3 +114,20 @@ export function formatCurrency (value, currencyCode) {
     ? currencyFormatter.format(Number(value), { code: upperCaseCurrencyCode })
     : value
 }
+
+export function convertTokenToFiat ({
+  value,
+  toCurrency,
+  conversionRate,
+  contractExchangeRate,
+}) {
+  const totalExchangeRate = conversionRate * contractExchangeRate
+
+  return conversionUtil(value, {
+    fromNumericBase: 'dec',
+    toNumericBase: 'dec',
+    toCurrency,
+    numberOfDecimals: 2,
+    conversionRate: totalExchangeRate,
+  })
+}

ui/app/routes.js

@@ -26,6 +26,7 @@ const CONFIRM_SEND_ETHER_PATH = '/send-ether'
 const CONFIRM_SEND_TOKEN_PATH = '/send-token'
 const CONFIRM_DEPLOY_CONTRACT_PATH = '/deploy-contract'
 const CONFIRM_APPROVE_PATH = '/approve'
+const CONFIRM_TRANSFER_FROM_PATH = '/transfer-from'
 const CONFIRM_TOKEN_METHOD_PATH = '/token-method'
 const SIGNATURE_REQUEST_PATH = '/signature-request'
 
@@ -57,6 +58,7 @@ module.exports = {
   CONFIRM_SEND_TOKEN_PATH,
   CONFIRM_DEPLOY_CONTRACT_PATH,
   CONFIRM_APPROVE_PATH,
+  CONFIRM_TRANSFER_FROM_PATH,
   CONFIRM_TOKEN_METHOD_PATH,
   SIGNATURE_REQUEST_PATH,
 }

ui/app/selectors/confirm-transaction.js

@@ -1,5 +1,6 @@
 import { createSelector } from 'reselect'
 import txHelper from '../../lib/tx-helper'
+import { calcTokenAmount } from '../token-util'
 
 const unapprovedTxsSelector = state => state.metamask.unapprovedTxs
 const unapprovedMsgsSelector = state => state.metamask.unapprovedMsgs
@@ -63,3 +64,101 @@ export const unconfirmedTransactionsHashSelector = createSelector(
 
 export const currentCurrencySelector = state => state.metamask.currentCurrency
 export const conversionRateSelector = state => state.metamask.conversionRate
+
+const txDataSelector = state => state.confirmTransaction.txData
+const tokenDataSelector = state => state.confirmTransaction.tokenData
+const tokenPropsSelector = state => state.confirmTransaction.tokenProps
+
+const contractExchangeRatesSelector = state => state.metamask.contractExchangeRates
+
+const tokenDecimalsSelector = createSelector(
+  tokenPropsSelector,
+  tokenProps => tokenProps && tokenProps.tokenDecimals
+)
+
+const tokenDataParamsSelector = createSelector(
+  tokenDataSelector,
+  tokenData => tokenData && tokenData.params || []
+)
+
+const txParamsSelector = createSelector(
+  txDataSelector,
+  txData => txData && txData.txParams || {}
+)
+
+export const tokenAddressSelector = createSelector(
+  txParamsSelector,
+  txParams => txParams && txParams.to
+)
+
+const TOKEN_PARAM_SPENDER = '_spender'
+const TOKEN_PARAM_TO = '_to'
+const TOKEN_PARAM_VALUE = '_value'
+
+export const tokenAmountAndToAddressSelector = createSelector(
+  tokenDataParamsSelector,
+  params => {
+    let toAddress = ''
+    let tokenAmount = 0
+
+    if (params && params.length) {
+      const toParam = params.find(param => param.name === TOKEN_PARAM_TO)
+      const valueParam = params.find(param => param.name === TOKEN_PARAM_VALUE)
+      toAddress = toParam ? toParam.value : params[0].value
+      tokenAmount = valueParam ? +valueParam.value : +params[1].value
+    }
+
+    return {
+      toAddress,
+      tokenAmount,
+    }
+  }
+)
+
+export const approveTokenAmountAndToAddressSelector = createSelector(
+  tokenDataParamsSelector,
+  params => {
+    let toAddress = ''
+    let tokenAmount = 0
+
+    if (params && params.length) {
+      toAddress = params.find(param => param.name === TOKEN_PARAM_SPENDER).value
+      tokenAmount = +params.find(param => param.name === TOKEN_PARAM_VALUE).value
+    }
+
+    return {
+      toAddress,
+      tokenAmount,
+    }
+  }
+)
+
+export const sendTokenTokenAmountAndToAddressSelector = createSelector(
+  tokenDataParamsSelector,
+  tokenDecimalsSelector,
+  (params, tokenDecimals) => {
+    let toAddress = ''
+    let tokenAmount = 0
+
+    if (params && params.length) {
+      toAddress = params.find(param => param.name === TOKEN_PARAM_TO).value
+      tokenAmount = +params.find(param => param.name === TOKEN_PARAM_VALUE).value
+
+      if (tokenDecimals) {
+        tokenAmount = calcTokenAmount(tokenAmount, tokenDecimals)
+      }
+    }
+
+    return {
+      toAddress,
+      tokenAmount,
+    }
+  }
+)
+
+
+export const contractExchangeRateSelector = createSelector(
+  contractExchangeRatesSelector,
+  tokenAddressSelector,
+  (contractExchangeRates, tokenAddress) => contractExchangeRates[tokenAddress]
+)