import { createSelector } from 'reselect' import txHelper from '../../lib/tx-helper' import { calcTokenAmount } from '../helpers/utils/token-util' import { roundExponential, getValueFromWeiHex, getHexGasTotal, getTransactionFee, addFiat, addEth, } from '../helpers/utils/confirm-tx.util' import { sumHexes, } from '../helpers/utils/transactions.util' const unapprovedTxsSelector = state => state.metamask.unapprovedTxs const unapprovedMsgsSelector = state => state.metamask.unapprovedMsgs const unapprovedPersonalMsgsSelector = state => state.metamask.unapprovedPersonalMsgs const unapprovedTypedMessagesSelector = state => state.metamask.unapprovedTypedMessages const networkSelector = state => state.metamask.network export const unconfirmedTransactionsListSelector = createSelector( unapprovedTxsSelector, unapprovedMsgsSelector, unapprovedPersonalMsgsSelector, unapprovedTypedMessagesSelector, networkSelector, ( unapprovedTxs = {}, unapprovedMsgs = {}, unapprovedPersonalMsgs = {}, unapprovedTypedMessages = {}, network ) => txHelper( unapprovedTxs, unapprovedMsgs, unapprovedPersonalMsgs, unapprovedTypedMessages, network ) || [] ) export const unconfirmedTransactionsHashSelector = createSelector( unapprovedTxsSelector, unapprovedMsgsSelector, unapprovedPersonalMsgsSelector, unapprovedTypedMessagesSelector, networkSelector, ( unapprovedTxs = {}, unapprovedMsgs = {}, unapprovedPersonalMsgs = {}, unapprovedTypedMessages = {}, network ) => { const filteredUnapprovedTxs = Object.keys(unapprovedTxs).reduce((acc, address) => { const { metamaskNetworkId } = unapprovedTxs[address] const transactions = { ...acc } if (metamaskNetworkId === network) { transactions[address] = unapprovedTxs[address] } return transactions }, {}) return { ...filteredUnapprovedTxs, ...unapprovedMsgs, ...unapprovedPersonalMsgs, ...unapprovedTypedMessages, } } ) const unapprovedMsgCountSelector = state => state.metamask.unapprovedMsgCount const unapprovedPersonalMsgCountSelector = state => state.metamask.unapprovedPersonalMsgCount const unapprovedTypedMessagesCountSelector = state => state.metamask.unapprovedTypedMessagesCount export const unconfirmedTransactionsCountSelector = createSelector( unapprovedTxsSelector, unapprovedMsgCountSelector, unapprovedPersonalMsgCountSelector, unapprovedTypedMessagesCountSelector, networkSelector, ( unapprovedTxs = {}, unapprovedMsgCount = 0, unapprovedPersonalMsgCount = 0, unapprovedTypedMessagesCount = 0, network ) => { const filteredUnapprovedTxIds = Object.keys(unapprovedTxs).filter(txId => { const { metamaskNetworkId } = unapprovedTxs[txId] return metamaskNetworkId === network }) return filteredUnapprovedTxIds.length + unapprovedTypedMessagesCount + unapprovedMsgCount + unapprovedPersonalMsgCount } ) export const currentCurrencySelector = state => state.metamask.currentCurrency export const conversionRateSelector = state => state.metamask.conversionRate export const getNativeCurrency = state => state.metamask.nativeCurrency export 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, tokenDecimalsSelector, (params, tokenDecimals) => { 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 const value = valueParam ? Number(valueParam.value) : Number(params[1].value) if (tokenDecimals) { tokenAmount = calcTokenAmount(value, tokenDecimals).toNumber() } tokenAmount = roundExponential(tokenAmount) } return { toAddress, tokenAmount, } } ) export const approveTokenAmountAndToAddressSelector = createSelector( tokenDataParamsSelector, tokenDecimalsSelector, (params, tokenDecimals) => { let toAddress = '' let tokenAmount = 0 if (params && params.length) { toAddress = params.find(param => param.name === TOKEN_PARAM_SPENDER).value const value = Number(params.find(param => param.name === TOKEN_PARAM_VALUE).value) if (tokenDecimals) { tokenAmount = calcTokenAmount(value, tokenDecimals).toNumber() } tokenAmount = roundExponential(tokenAmount) } 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 let value = Number(params.find(param => param.name === TOKEN_PARAM_VALUE).value) if (tokenDecimals) { value = calcTokenAmount(value, tokenDecimals).toNumber() } tokenAmount = roundExponential(value) } return { toAddress, tokenAmount, } } ) export const contractExchangeRateSelector = createSelector( contractExchangeRatesSelector, tokenAddressSelector, (contractExchangeRates, tokenAddress) => contractExchangeRates[tokenAddress] ) export const transactionFeeSelector = function (state, txData) { const currentCurrency = currentCurrencySelector(state) const conversionRate = conversionRateSelector(state) const nativeCurrency = getNativeCurrency(state) const { txParams: { value = '0x0', gas: gasLimit = '0x0', gasPrice = '0x0' } = {} } = txData const fiatTransactionAmount = getValueFromWeiHex({ value, fromCurrency: nativeCurrency, toCurrency: currentCurrency, conversionRate, numberOfDecimals: 2, }) const ethTransactionAmount = getValueFromWeiHex({ value, fromCurrency: nativeCurrency, toCurrency: nativeCurrency, conversionRate, numberOfDecimals: 6, }) const hexTransactionFee = getHexGasTotal({ gasLimit, gasPrice }) const fiatTransactionFee = getTransactionFee({ value: hexTransactionFee, fromCurrency: nativeCurrency, toCurrency: currentCurrency, numberOfDecimals: 2, conversionRate, }) const ethTransactionFee = getTransactionFee({ value: hexTransactionFee, fromCurrency: nativeCurrency, toCurrency: nativeCurrency, numberOfDecimals: 6, conversionRate, }) const fiatTransactionTotal = addFiat(fiatTransactionFee, fiatTransactionAmount) const ethTransactionTotal = addEth(ethTransactionFee, ethTransactionAmount) const hexTransactionTotal = sumHexes(value, hexTransactionFee) return { hexTransactionAmount: value, fiatTransactionAmount, ethTransactionAmount, hexTransactionFee, fiatTransactionFee, ethTransactionFee, fiatTransactionTotal, ethTransactionTotal, hexTransactionTotal, } }