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 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, } } ) 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 ? Number(valueParam.value) : Number(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 = Number(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 = Number(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] )