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import { createSelector } from 'reselect'
import txHelper from '../../lib/tx-helper'
import { calcTokenAmount } from '../token-util'
import { roundExponential } from '../helpers/confirm-transaction/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
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]
)
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