1 files changed, 283 insertions, 0 deletions
diff --git a/ui/app/pages/send/send.selectors.js b/ui/app/pages/send/send.selectors.js
new file mode 100644
index 000000000..d4035df28
--- /dev/null
+++ b/ui/app/pages/send/send.selectors.js
@@ -0,0 +1,283 @@
+const { valuesFor } = require('../../helpers/utils/util')
+const abi = require('human-standard-token-abi')
+const {
+  multiplyCurrencies,
+} = require('../../helpers/utils/conversion-util')
+const {
+  getMetaMaskAccounts,
+  getSelectedAddress,
+} = require('../../selectors/selectors')
+const {
+  estimateGasPriceFromRecentBlocks,
+  calcGasTotal,
+} = require('./send.utils')
+import {
+  getFastPriceEstimateInHexWEI,
+} from '../../selectors/custom-gas'
+
+const selectors = {
+  accountsWithSendEtherInfoSelector,
+  getAddressBook,
+  getAmountConversionRate,
+  getBlockGasLimit,
+  getConversionRate,
+  getCurrentAccountWithSendEtherInfo,
+  getCurrentCurrency,
+  getCurrentNetwork,
+  getCurrentViewContext,
+  getForceGasMin,
+  getNativeCurrency,
+  getGasLimit,
+  getGasPrice,
+  getGasPriceFromRecentBlocks,
+  getGasTotal,
+  getPrimaryCurrency,
+  getRecentBlocks,
+  getSelectedAccount,
+  getSelectedIdentity,
+  getSelectedToken,
+  getSelectedTokenContract,
+  getSelectedTokenExchangeRate,
+  getSelectedTokenToFiatRate,
+  getSendAmount,
+  getSendHexData,
+  getSendHexDataFeatureFlagState,
+  getSendEditingTransactionId,
+  getSendErrors,
+  getSendFrom,
+  getSendFromBalance,
+  getSendFromObject,
+  getSendMaxModeState,
+  getSendTo,
+  getSendToAccounts,
+  getSendWarnings,
+  getTokenBalance,
+  getTokenExchangeRate,
+  getUnapprovedTxs,
+  transactionsSelector,
+  getQrCodeData,
+}
+
+module.exports = selectors
+
+function accountsWithSendEtherInfoSelector (state) {
+  const accounts = getMetaMaskAccounts(state)
+  const { identities } = state.metamask
+
+  const accountsWithSendEtherInfo = Object.entries(accounts).map(([key, account]) => {
+    return Object.assign({}, account, identities[key])
+  })
+
+  return accountsWithSendEtherInfo
+}
+
+function getAddressBook (state) {
+  return state.metamask.addressBook
+}
+
+function getAmountConversionRate (state) {
+  return getSelectedToken(state)
+    ? getSelectedTokenToFiatRate(state)
+    : getConversionRate(state)
+}
+
+function getBlockGasLimit (state) {
+  return state.metamask.currentBlockGasLimit
+}
+
+function getConversionRate (state) {
+  return state.metamask.conversionRate
+}
+
+function getCurrentAccountWithSendEtherInfo (state) {
+  const currentAddress = getSelectedAddress(state)
+  const accounts = accountsWithSendEtherInfoSelector(state)
+
+  return accounts.find(({ address }) => address === currentAddress)
+}
+
+function getCurrentCurrency (state) {
+  return state.metamask.currentCurrency
+}
+
+function getNativeCurrency (state) {
+  return state.metamask.nativeCurrency
+}
+
+function getCurrentNetwork (state) {
+  return state.metamask.network
+}
+
+function getCurrentViewContext (state) {
+  const { currentView = {} } = state.appState
+  return currentView.context
+}
+
+function getForceGasMin (state) {
+  return state.metamask.send.forceGasMin
+}
+
+function getGasLimit (state) {
+  return state.metamask.send.gasLimit || '0'
+}
+
+function getGasPrice (state) {
+  return state.metamask.send.gasPrice || getFastPriceEstimateInHexWEI(state)
+}
+
+function getGasPriceFromRecentBlocks (state) {
+  return estimateGasPriceFromRecentBlocks(state.metamask.recentBlocks)
+}
+
+function getGasTotal (state) {
+  return calcGasTotal(getGasLimit(state), getGasPrice(state))
+}
+
+function getPrimaryCurrency (state) {
+  const selectedToken = getSelectedToken(state)
+  return selectedToken && selectedToken.symbol
+}
+
+function getRecentBlocks (state) {
+  return state.metamask.recentBlocks
+}
+
+function getSelectedAccount (state) {
+  const accounts = getMetaMaskAccounts(state)
+  const selectedAddress = getSelectedAddress(state)
+
+  return accounts[selectedAddress]
+}
+
+function getSelectedIdentity (state) {
+  const selectedAddress = getSelectedAddress(state)
+  const identities = state.metamask.identities
+
+  return identities[selectedAddress]
+}
+
+function getSelectedToken (state) {
+  const tokens = state.metamask.tokens || []
+  const selectedTokenAddress = state.metamask.selectedTokenAddress
+  const selectedToken = tokens.filter(({ address }) => address === selectedTokenAddress)[0]
+  const sendToken = state.metamask.send.token
+
+  return selectedToken || sendToken || null
+}
+
+function getSelectedTokenContract (state) {
+  const selectedToken = getSelectedToken(state)
+
+  return selectedToken
+    ? global.eth.contract(abi).at(selectedToken.address)
+    : null
+}
+
+function getSelectedTokenExchangeRate (state) {
+  const tokenExchangeRates = state.metamask.tokenExchangeRates
+  const selectedToken = getSelectedToken(state) || {}
+  const { symbol = '' } = selectedToken
+  const pair = `${symbol.toLowerCase()}_eth`
+  const { rate: tokenExchangeRate = 0 } = tokenExchangeRates && tokenExchangeRates[pair] || {}
+
+  return tokenExchangeRate
+}
+
+function getSelectedTokenToFiatRate (state) {
+  const selectedTokenExchangeRate = getSelectedTokenExchangeRate(state)
+  const conversionRate = getConversionRate(state)
+
+  const tokenToFiatRate = multiplyCurrencies(
+    conversionRate,
+    selectedTokenExchangeRate,
+    { toNumericBase: 'dec' }
+  )
+
+  return tokenToFiatRate
+}
+
+function getSendAmount (state) {
+  return state.metamask.send.amount
+}
+
+function getSendHexData (state) {
+  return state.metamask.send.data
+}
+
+function getSendHexDataFeatureFlagState (state) {
+  return state.metamask.featureFlags.sendHexData
+}
+
+function getSendEditingTransactionId (state) {
+  return state.metamask.send.editingTransactionId
+}
+
+function getSendErrors (state) {
+  return state.send.errors
+}
+
+function getSendFrom (state) {
+  return state.metamask.send.from
+}
+
+function getSendFromBalance (state) {
+  const from = getSendFrom(state) || getSelectedAccount(state)
+  return from.balance
+}
+
+function getSendFromObject (state) {
+  return getSendFrom(state) || getCurrentAccountWithSendEtherInfo(state)
+}
+
+function getSendMaxModeState (state) {
+  return state.metamask.send.maxModeOn
+}
+
+function getSendTo (state) {
+  return state.metamask.send.to
+}
+
+function getSendToAccounts (state) {
+  const fromAccounts = accountsWithSendEtherInfoSelector(state)
+  const addressBookAccounts = getAddressBook(state)
+  return [...fromAccounts, ...addressBookAccounts]
+}
+
+function getSendWarnings (state) {
+  return state.send.warnings
+}
+
+function getTokenBalance (state) {
+  return state.metamask.send.tokenBalance
+}
+
+function getTokenExchangeRate (state, tokenSymbol) {
+  const pair = `${tokenSymbol.toLowerCase()}_eth`
+  const tokenExchangeRates = state.metamask.tokenExchangeRates
+  const { rate: tokenExchangeRate = 0 } = tokenExchangeRates[pair] || {}
+
+  return tokenExchangeRate
+}
+
+function getUnapprovedTxs (state) {
+  return state.metamask.unapprovedTxs
+}
+
+function transactionsSelector (state) {
+  const { network, selectedTokenAddress } = state.metamask
+  const unapprovedMsgs = valuesFor(state.metamask.unapprovedMsgs)
+  const shapeShiftTxList = (network === '1') ? state.metamask.shapeShiftTxList : undefined
+  const transactions = state.metamask.selectedAddressTxList || []
+  const txsToRender = !shapeShiftTxList ? transactions.concat(unapprovedMsgs) : transactions.concat(unapprovedMsgs, shapeShiftTxList)
+
+  return selectedTokenAddress
+    ? txsToRender
+      .filter(({ txParams }) => txParams && txParams.to === selectedTokenAddress)
+      .sort((a, b) => b.time - a.time)
+    : txsToRender
+      .sort((a, b) => b.time - a.time)
+}
+
+function getQrCodeData (state) {
+  return state.appState.qrCodeData
+}