Fetch token prices based on contract address

ui/app/actions.js

@@ -220,8 +220,10 @@ var actions = {
   coinBaseSubview: coinBaseSubview,
   SHAPESHIFT_SUBVIEW: 'SHAPESHIFT_SUBVIEW',
   shapeShiftSubview: shapeShiftSubview,
-  UPDATE_TOKEN_EXCHANGE_RATE: 'UPDATE_TOKEN_EXCHANGE_RATE',
-  updateTokenExchangeRate,
+  UPDATE_CONTRACT_EXCHANGE_RATES: 'UPDATE_CONTRACT_EXCHANGE_RATES',
+  UPDATE_CONTRACT_EXCHANGE_RATE: 'UPDATE_CONTRACT_EXCHANGE_RATE',
+  updateContractExchangeRates,
+  updateContractExchangeRate,
   PAIR_UPDATE: 'PAIR_UPDATE',
   pairUpdate: pairUpdate,
   coinShiftRquest: coinShiftRquest,
@@ -1080,9 +1082,12 @@ function unlockMetamask (account) {
 }
 
 function updateMetamaskState (newState) {
-  return {
-    type: actions.UPDATE_METAMASK_STATE,
-    value: newState,
+  return async dispatch => {
+    await dispatch({
+      type: actions.UPDATE_METAMASK_STATE,
+      value: newState,
+    })
+    dispatch(updateContractExchangeRates())
   }
 }
 
@@ -1295,9 +1300,12 @@ function addTokens (tokens) {
 }
 
 function updateTokens (newTokens) {
-  return {
-    type: actions.UPDATE_TOKENS,
-    newTokens,
+  return async dispatch => {
+    await dispatch({
+      type: actions.UPDATE_TOKENS,
+      newTokens,
+    })
+    dispatch(updateContractExchangeRates())
   }
 }
 
@@ -1751,24 +1759,38 @@ function shapeShiftRequest (query, options, cb) {
   }
 }
 
-function updateTokenExchangeRate (token = '') {
-  const pair = `${token.toLowerCase()}_eth`
+async function fetchContractRate (address) {
+  try {
+    const response = await fetch(`https://exchanges.balanc3.net/prices?from=${address}&to=ETH&autoConversion=false&summaryOnly=true`)
+    const json = await response.json()
+    const rate = json && json.length ? json[0].averagePrice : 0
+    return { address, rate }
+  } catch (error) { }
+}
 
-  return dispatch => {
-    if (!token) {
-      return
+function updateContractExchangeRates () {
+  return async (dispatch, getState) => {
+    const { metamask: { tokens = [] } } = getState()
+    const newExchangeRates = {}
+
+    for (const i in tokens) {
+      const address = tokens[i].address
+      newExchangeRates[address] = (await fetchContractRate(address)).rate
     }
 
-    shapeShiftRequest('marketinfo', { pair }, marketinfo => {
-      if (!marketinfo.error) {
-        dispatch({
-          type: actions.UPDATE_TOKEN_EXCHANGE_RATE,
-          payload: {
-            pair,
-            marketinfo,
-          },
-        })
-      }
+    dispatch({
+      type: actions.UPDATE_CONTRACT_EXCHANGE_RATES,
+      payload: { newExchangeRates },
+    })
+  }
+}
+
+function updateContractExchangeRate (address) {
+  return async dispatch => {
+    const { address, rate } = await fetchContractRate(address)
+    dispatch({
+      type: actions.UPDATE_CONTRACT_EXCHANGE_RATE,
+      payload: { address, rate },
     })
   }
 }

ui/app/components/pending-tx/confirm-send-token.js

@@ -48,7 +48,7 @@ module.exports = compose(
 
 
 function mapStateToProps (state, ownProps) {
-  const { token: { symbol }, txData } = ownProps
+  const { token: { address }, txData } = ownProps
   const { txParams } = txData || {}
   const tokenData = txParams.data && abiDecoder.decodeMethod(txParams.data)
 
@@ -59,7 +59,7 @@ function mapStateToProps (state, ownProps) {
   } = state.metamask
   const accounts = state.metamask.accounts
   const selectedAddress = getSelectedAddress(state)
-  const tokenExchangeRate = getTokenExchangeRate(state, symbol)
+  const tokenExchangeRate = getTokenExchangeRate(state, address)
   const { balance } = accounts[selectedAddress]
   return {
     conversionRate,
@@ -75,12 +75,9 @@ function mapStateToProps (state, ownProps) {
 }
 
 function mapDispatchToProps (dispatch, ownProps) {
-  const { token: { symbol } } = ownProps
-
   return {
     backToAccountDetail: address => dispatch(actions.backToAccountDetail(address)),
     cancelTransaction: ({ id }) => dispatch(actions.cancelTx({ id })),
-    updateTokenExchangeRate: () => dispatch(actions.updateTokenExchangeRate(symbol)),
     editTransaction: txMeta => {
       const { token: { address } } = ownProps
       const { txParams = {}, id } = txMeta
@@ -203,7 +200,6 @@ ConfirmSendToken.prototype.componentWillMount = function () {
     .balanceOf(selectedAddress)
     .then(usersToken => {
     })
-  this.props.updateTokenExchangeRate()
   this.updateComponentSendErrors({})
 }
 

ui/app/components/send/send-v2-container.js

@@ -66,7 +66,7 @@ function mapDispatchToProps (dispatch) {
     showCustomizeGasModal: () => dispatch(actions.showModal({ name: 'CUSTOMIZE_GAS' })),
     estimateGas: params => dispatch(actions.estimateGas(params)),
     getGasPrice: () => dispatch(actions.getGasPrice()),
-    updateTokenExchangeRate: token => dispatch(actions.updateTokenExchangeRate(token)),
+    updateContractExchangeRate: address => dispatch(actions.updateContractExchangeRate(address)),
     signTokenTx: (tokenAddress, toAddress, amount, txData) => (
       dispatch(actions.signTokenTx(tokenAddress, toAddress, amount, txData))
     ),

ui/app/components/token-cell.js

@@ -16,7 +16,7 @@ function mapStateToProps (state) {
     currentCurrency: state.metamask.currentCurrency,
     selectedTokenAddress: state.metamask.selectedTokenAddress,
     userAddress: selectors.getSelectedAddress(state),
-    tokenExchangeRates: state.metamask.tokenExchangeRates,
+    contractExchangeRates: state.metamask.contractExchangeRates,
     conversionRate: state.metamask.conversionRate,
     sidebarOpen: state.appState.sidebarOpen,
   }
@@ -25,7 +25,6 @@ function mapStateToProps (state) {
 function mapDispatchToProps (dispatch) {
   return {
     setSelectedToken: address => dispatch(actions.setSelectedToken(address)),
-    updateTokenExchangeRate: token => dispatch(actions.updateTokenExchangeRate(token)),
     hideSidebar: () => dispatch(actions.hideSidebar()),
   }
 }
@@ -41,15 +40,6 @@ function TokenCell () {
   }
 }
 
-TokenCell.prototype.componentWillMount = function () {
-  const {
-    updateTokenExchangeRate,
-    symbol,
-  } = this.props
-
-  updateTokenExchangeRate(symbol)
-}
-
 TokenCell.prototype.render = function () {
   const { tokenMenuOpen } = this.state
   const props = this.props
@@ -60,7 +50,7 @@ TokenCell.prototype.render = function () {
     network,
     setSelectedToken,
     selectedTokenAddress,
-    tokenExchangeRates,
+    contractExchangeRates,
     conversionRate,
     hideSidebar,
     sidebarOpen,
@@ -68,15 +58,13 @@ TokenCell.prototype.render = function () {
     // userAddress,
   } = props
 
-  const pair = `${symbol.toLowerCase()}_eth`
-
   let currentTokenToFiatRate
   let currentTokenInFiat
   let formattedFiat = ''
 
-  if (tokenExchangeRates[pair]) {
+  if (contractExchangeRates[address]) {
     currentTokenToFiatRate = multiplyCurrencies(
-      tokenExchangeRates[pair].rate,
+      contractExchangeRates[address],
       conversionRate
     )
     currentTokenInFiat = conversionUtil(string, {

ui/app/components/tx-list-item.js

@@ -27,7 +27,7 @@ function mapStateToProps (state) {
   return {
     tokens: state.metamask.tokens,
     currentCurrency: getCurrentCurrency(state),
-    tokenExchangeRates: state.metamask.tokenExchangeRates,
+    contractExchangeRates: state.metamask.contractExchangeRates,
     selectedAddressTxList: state.metamask.selectedAddressTxList,
   }
 }
@@ -142,31 +142,29 @@ TxListItem.prototype.getTokenInfo = async function () {
     ({ decimals, symbol } = await tokenInfoGetter(toAddress))
   }
 
-  return { decimals, symbol }
+  return { decimals, symbol, address: toAddress }
 }
 
 TxListItem.prototype.getSendTokenTotal = async function () {
   const {
     txParams = {},
     conversionRate,
-    tokenExchangeRates,
+    contractExchangeRates,
     currentCurrency,
   } = this.props
 
   const decodedData = txParams.data && abiDecoder.decodeMethod(txParams.data)
   const { params = [] } = decodedData || {}
   const { value } = params[1] || {}
-  const { decimals, symbol } = await this.getTokenInfo()
+  const { decimals, symbol, address } = await this.getTokenInfo()
   const total = calcTokenAmount(value, decimals)
 
-  const pair = symbol && `${symbol.toLowerCase()}_eth`
-
   let tokenToFiatRate
   let totalInFiat
 
-  if (tokenExchangeRates[pair]) {
+  if (contractExchangeRates[address]) {
     tokenToFiatRate = multiplyCurrencies(
-      tokenExchangeRates[pair].rate,
+      contractExchangeRates[address],
       conversionRate
     )
 
@@ -220,7 +218,6 @@ TxListItem.prototype.resubmit = function () {
 TxListItem.prototype.render = function () {
   const {
     transactionStatus,
-    transactionAmount,
     onClick,
     transactionId,
     dateString,
@@ -229,7 +226,6 @@ TxListItem.prototype.render = function () {
     txParams,
   } = this.props
   const { total, fiatTotal, isTokenTx } = this.state
-  const showFiatTotal = transactionAmount !== '0x0' && fiatTotal
 
   return h(`div${className || ''}`, {
     key: transactionId,
@@ -288,7 +284,7 @@ TxListItem.prototype.render = function () {
 
           h('span.tx-list-value', total),
 
-          showFiatTotal && h('span.tx-list-fiat-value', fiatTotal),
+          fiatTotal && h('span.tx-list-fiat-value', fiatTotal),
 
         ]),
       ]),

ui/app/reducers/metamask.js

@@ -24,6 +24,7 @@ function reduceMetamask (state, action) {
     frequentRpcList: [],
     addressBook: [],
     selectedTokenAddress: null,
+    contractExchangeRates: {},
     tokenExchangeRates: {},
     tokens: [],
     send: {
@@ -176,14 +177,22 @@ function reduceMetamask (state, action) {
         conversionDate: action.value.conversionDate,
       })
 
-    case actions.UPDATE_TOKEN_EXCHANGE_RATE:
-      const { payload: { pair, marketinfo } } = action
-      return extend(metamaskState, {
-        tokenExchangeRates: {
-          ...metamaskState.tokenExchangeRates,
-          [pair]: marketinfo,
+    case actions.UPDATE_CONTRACT_EXCHANGE_RATES:
+      const { payload: { newExchangeRates } } = action
+      return {
+        ...metamaskState,
+        contractExchangeRates: newExchangeRates,
+      }
+
+    case actions.UPDATE_CONTRACT_EXCHANGE_RATE:
+      const { payload: { address, rate } } = action
+      return {
+        ...metamaskState,
+        contractExchangeRates: {
+          ...metamaskState.contractExchangeRates,
+          [address]: rate,
         },
-      })
+      }
 
     case actions.UPDATE_TOKENS:
       return extend(metamaskState, {

ui/app/selectors.js

@@ -62,22 +62,15 @@ function getSelectedToken (state) {
 }
 
 function getSelectedTokenExchangeRate (state) {
-  const tokenExchangeRates = state.metamask.tokenExchangeRates
+  const contractExchangeRates = state.metamask.contractExchangeRates
   const selectedToken = getSelectedToken(state) || {}
-  const { symbol = '' } = selectedToken
-
-  const pair = `${symbol.toLowerCase()}_eth`
-  const { rate: tokenExchangeRate = 0 } = tokenExchangeRates[pair] || {}
-
-  return tokenExchangeRate
+  const { address } = selectedToken
+  return contractExchangeRates[address] || 0
 }
 
-function getTokenExchangeRate (state, tokenSymbol) {
-  const pair = `${tokenSymbol.toLowerCase()}_eth`
-  const tokenExchangeRates = state.metamask.tokenExchangeRates
-  const { rate: tokenExchangeRate = 0 } = tokenExchangeRates[pair] || {}
-
-  return tokenExchangeRate
+function getTokenExchangeRate (state, address) {
+  const contractExchangeRates = state.metamask.contractExchangeRates
+  return contractExchangeRates[address] || 0
 }
 
 function conversionRateSelector (state) {

ui/app/send-v2.js

@@ -89,14 +89,14 @@ SendTransactionScreen.prototype.updateSendTokenBalance = function (usersToken) {
 
 SendTransactionScreen.prototype.componentWillMount = function () {
   const {
-    updateTokenExchangeRate,
+    updateContractExchangeRate,
     selectedToken = {},
   } = this.props
 
-  const { symbol } = selectedToken || {}
+  const { address } = selectedToken || {}
 
-  if (symbol) {
-    updateTokenExchangeRate(symbol)
+  if (address) {
+    updateContractExchangeRate(address)
   }
 
   this.updateGas()