const valuesFor = require('./util').valuesFor const abi = require('human-standard-token-abi') const { multiplyCurrencies, } = require('./conversion-util') const selectors = { getSelectedAddress, getSelectedIdentity, getSelectedAccount, getSelectedToken, getSelectedTokenExchangeRate, getTokenExchangeRate, conversionRateSelector, transactionsSelector, accountsWithSendEtherInfoSelector, getCurrentAccountWithSendEtherInfo, getGasPrice, getGasLimit, getForceGasMin, getAddressBook, getSendFrom, getCurrentCurrency, getSendAmount, getSelectedTokenToFiatRate, getSelectedTokenContract, autoAddToBetaUI, getSendMaxModeState, getCurrentViewContext, } module.exports = selectors function getSelectedAddress (state) { const selectedAddress = state.metamask.selectedAddress || Object.keys(state.metamask.accounts)[0] return selectedAddress } function getSelectedIdentity (state) { const selectedAddress = getSelectedAddress(state) const identities = state.metamask.identities return identities[selectedAddress] } function getSelectedAccount (state) { const accounts = state.metamask.accounts const selectedAddress = getSelectedAddress(state) return accounts[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 getSelectedTokenExchangeRate (state) { const tokenExchangeRates = state.metamask.tokenExchangeRates const selectedToken = getSelectedToken(state) || {} const { symbol = '' } = selectedToken const pair = `${symbol.toLowerCase()}_eth` const { rate: tokenExchangeRate = 0 } = tokenExchangeRates[pair] || {} return tokenExchangeRate } function getTokenExchangeRate (state, tokenSymbol) { const pair = `${tokenSymbol.toLowerCase()}_eth` const tokenExchangeRates = state.metamask.tokenExchangeRates const { rate: tokenExchangeRate = 0 } = tokenExchangeRates[pair] || {} return tokenExchangeRate } function conversionRateSelector (state) { return state.metamask.conversionRate } function getAddressBook (state) { return state.metamask.addressBook } function accountsWithSendEtherInfoSelector (state) { const { accounts, identities, } = state.metamask const accountsWithSendEtherInfo = Object.entries(accounts).map(([key, account]) => { return Object.assign({}, account, identities[key]) }) return accountsWithSendEtherInfo } function getCurrentAccountWithSendEtherInfo (state) { const currentAddress = getSelectedAddress(state) const accounts = accountsWithSendEtherInfoSelector(state) return accounts.find(({ address }) => address === currentAddress) } 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) // console.log({txsToRender, selectedTokenAddress}) 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 getGasPrice (state) { return state.metamask.send.gasPrice } function getGasLimit (state) { return state.metamask.send.gasLimit } function getForceGasMin (state) { return state.metamask.send.forceGasMin } function getSendFrom (state) { return state.metamask.send.from } function getSendAmount (state) { return state.metamask.send.amount } function getSendMaxModeState (state) { return state.metamask.send.maxModeOn } function getCurrentCurrency (state) { return state.metamask.currentCurrency } function getSelectedTokenToFiatRate (state) { const selectedTokenExchangeRate = getSelectedTokenExchangeRate(state) const conversionRate = conversionRateSelector(state) const tokenToFiatRate = multiplyCurrencies( conversionRate, selectedTokenExchangeRate, { toNumericBase: 'dec' } ) return tokenToFiatRate } function getSelectedTokenContract (state) { const selectedToken = getSelectedToken(state) return selectedToken ? global.eth.contract(abi).at(selectedToken.address) : null } function autoAddToBetaUI (state) { const autoAddTransactionThreshold = 12 const autoAddAccountsThreshold = 2 const autoAddTokensThreshold = 1 const numberOfTransactions = state.metamask.selectedAddressTxList.length const numberOfAccounts = Object.keys(state.metamask.accounts).length const numberOfTokensAdded = state.metamask.tokens.length const userPassesThreshold = (numberOfTransactions > autoAddTransactionThreshold) && (numberOfAccounts > autoAddAccountsThreshold) && (numberOfTokensAdded > autoAddTokensThreshold) const userIsNotInBeta = !state.metamask.featureFlags.betaUI return userIsNotInBeta && userPassesThreshold } function getCurrentViewContext (state) { const { currentView = {} } = state.appState return currentView.context }