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metamask-extension/ui/app/pages/swaps/view-quote/view-quote.js
2020-10-14 10:12:35 -07:00

541 lines
18 KiB
JavaScript

import React, { useState, useContext, useMemo, useEffect, useRef } from 'react'
import { useSelector, useDispatch } from 'react-redux'
import { useHistory } from 'react-router-dom'
import BigNumber from 'bignumber.js'
import { isEqual } from 'lodash'
import classnames from 'classnames'
import { I18nContext } from '../../../contexts/i18n'
import SelectQuotePopover from '../select-quote-popover'
import { useEqualityCheck } from '../../../hooks/useEqualityCheck'
import { useNewMetricEvent } from '../../../hooks/useMetricEvent'
import { useSwapsEthToken } from '../../../hooks/useSwapsEthToken'
import { MetaMetricsContext } from '../../../contexts/metametrics.new'
import FeeCard from '../fee-card'
import { setCustomGasLimit } from '../../../ducks/gas/gas.duck'
import {
getQuotes,
getSelectedQuote,
getApproveTxParams,
getFetchParams,
setBalanceError,
getQuotesLastFetched,
getBalanceError,
getCustomSwapsGas,
getDestinationTokenInfo,
getSwapsTradeTxParams,
getTopQuote,
navigateBackToBuildQuote,
signAndSendTransactions,
getBackgroundSwapRouteState,
} from '../../../ducks/swaps/swaps'
import {
conversionRateSelector,
getSelectedAccount,
getCurrentCurrency,
getTokenExchangeRates,
} from '../../../selectors'
import { toPrecisionWithoutTrailingZeros } from '../../../helpers/utils/util'
import { getTokens } from '../../../ducks/metamask/metamask'
import {
safeRefetchQuotes,
setCustomApproveTxData,
setSwapsTxGasLimit,
setSelectedQuoteAggId,
setSwapsErrorKey,
showModal,
} from '../../../store/actions'
import {
ASSET_ROUTE,
BUILD_QUOTE_ROUTE,
DEFAULT_ROUTE,
SWAPS_ERROR_ROUTE,
AWAITING_SWAP_ROUTE,
} from '../../../helpers/constants/routes'
import { getTokenData } from '../../../helpers/utils/transactions.util'
import {
calcTokenAmount,
calcTokenValue,
getTokenValueParam,
} from '../../../helpers/utils/token-util'
import {
decimalToHex,
hexMax,
hexToDecimal,
getValueFromWeiHex,
} from '../../../helpers/utils/conversions.util'
import MainQuoteSummary from '../main-quote-summary'
import { calcGasTotal } from '../../send/send.utils'
import { getCustomTxParamsData } from '../../confirm-approve/confirm-approve.util'
import ActionableMessage from '../actionable-message'
import { quotesToRenderableData, getRenderableGasFeesForQuote } from '../swaps.util'
import { useTokenTracker } from '../../../hooks/useTokenTracker'
import { QUOTES_EXPIRED_ERROR } from '../../../helpers/constants/swaps'
import CountdownTimer from '../countdown-timer'
import SwapsFooter from '../swaps-footer'
export default function ViewQuote () {
const history = useHistory()
const dispatch = useDispatch()
const t = useContext(I18nContext)
const metaMetricsEvent = useContext(MetaMetricsContext)
const [dispatchedSafeRefetch, setDispatchedSafeRefetch] = useState(false)
const [selectQuotePopoverShown, setSelectQuotePopoverShown] = useState(false)
const [warningHidden, setWarningHidden] = useState(false)
const [originalApproveAmount, setOriginalApproveAmount] = useState(null)
const routeState = useSelector(getBackgroundSwapRouteState)
const quotes = useSelector(getQuotes, isEqual)
useEffect(() => {
if (!Object.values(quotes).length) {
history.push(BUILD_QUOTE_ROUTE)
} else if (routeState === 'awaiting') {
history.push(AWAITING_SWAP_ROUTE)
}
}, [history, quotes, routeState])
const quotesLastFetched = useSelector(getQuotesLastFetched)
// Select necessary data
const tradeTxParams = useSelector(getSwapsTradeTxParams)
const { gasPrice } = tradeTxParams || {}
const customMaxGas = useSelector(getCustomSwapsGas)
const tokenConversionRates = useSelector(getTokenExchangeRates)
const memoizedTokenConversionRates = useEqualityCheck(tokenConversionRates)
const { balance: ethBalance } = useSelector(getSelectedAccount)
const conversionRate = useSelector(conversionRateSelector)
const currentCurrency = useSelector(getCurrentCurrency)
const swapsTokens = useSelector(getTokens)
const balanceError = useSelector(getBalanceError)
const fetchParams = useSelector(getFetchParams)
const approveTxParams = useSelector(getApproveTxParams)
const selectedQuote = useSelector(getSelectedQuote)
const topQuote = useSelector(getTopQuote)
const usedQuote = selectedQuote || topQuote
const { isBestQuote } = usedQuote
const fetchParamsSourceToken = fetchParams?.sourceToken
const usedGasLimit = (
usedQuote?.gasEstimateWithRefund ||
(`0x${decimalToHex(usedQuote?.averageGas || 0)}`)
)
const gasLimitForMax = (
usedQuote?.gasEstimate ||
(`0x${decimalToHex(usedQuote?.averageGas || 0)}`)
)
const usedGasLimitWithMultiplier = (new BigNumber(gasLimitForMax, 16)
.times(1.4, 10))
.round(0)
.toString(16)
const maxGasLimit = (customMaxGas ||
hexMax(
(`0x${decimalToHex(usedQuote?.maxGas || 0)}`),
usedGasLimitWithMultiplier,
)
)
const gasTotalInWeiHex = calcGasTotal(maxGasLimit, gasPrice)
const { tokensWithBalances } = useTokenTracker(swapsTokens)
const swapsEthToken = useSwapsEthToken()
const balanceToken = fetchParamsSourceToken === swapsEthToken.address
? swapsEthToken
: tokensWithBalances.find(({ address }) => address === fetchParamsSourceToken)
const selectedFromToken = balanceToken || usedQuote.sourceTokenInfo
const tokenBalance = (
tokensWithBalances?.length &&
calcTokenAmount(
selectedFromToken.balance || '0x0',
selectedFromToken.decimals,
).toFixed(9)
)
const approveData = getTokenData(approveTxParams?.data)
const approveValue = approveData && getTokenValueParam(approveData)
const approveAmount = (
approveValue && (selectedFromToken?.decimals !== undefined) &&
calcTokenAmount(approveValue, selectedFromToken.decimals).toFixed(9)
)
const approveGas = approveTxParams?.gas
const approveGasTotal = calcGasTotal(approveGas || '0x0', gasPrice)
const approveGasTotalInEth = getValueFromWeiHex({
value: approveGasTotal,
toDenomination: 'ETH',
numberOfDecimals: 4,
})
const renderablePopoverData = useMemo(() => {
return quotesToRenderableData(
quotes,
gasPrice,
conversionRate,
currentCurrency,
approveGas,
memoizedTokenConversionRates,
)
}, [
quotes,
gasPrice,
conversionRate,
currentCurrency,
approveGas,
memoizedTokenConversionRates,
])
const renderableDataForUsedQuote = renderablePopoverData.find(
(renderablePopoverDatum) => (
renderablePopoverDatum.aggId === usedQuote.aggregator
),
)
const {
destinationTokenDecimals,
destinationTokenSymbol,
destinationTokenValue,
sourceTokenDecimals,
sourceTokenSymbol,
sourceTokenValue,
} = renderableDataForUsedQuote
const { feeInFiat, feeInEth } = getRenderableGasFeesForQuote(
usedGasLimit,
approveGas,
gasPrice,
currentCurrency,
conversionRate,
)
const {
feeInFiat: maxFeeInFiat,
feeInEth: maxFeeInEth,
} = getRenderableGasFeesForQuote(
maxGasLimit,
approveGas,
gasPrice,
currentCurrency,
conversionRate,
)
const tokenCost = (new BigNumber(usedQuote.sourceAmount))
const ethCost = (new BigNumber(usedQuote.trade.value || 0, 10))
.plus((new BigNumber(gasTotalInWeiHex, 16)))
const insufficientTokens = (
(tokensWithBalances?.length || balanceError) &&
(tokenCost).gt(new BigNumber(selectedFromToken.balance || '0x0'))
)
const insufficientEth = (ethCost).gt(new BigNumber(ethBalance || '0x0'))
const tokenBalanceNeeded = insufficientTokens
? toPrecisionWithoutTrailingZeros(
calcTokenAmount(
tokenCost,
selectedFromToken.decimals,
).minus(tokenBalance).toString(10), 6,
)
: null
const ethBalanceNeeded = insufficientEth
? toPrecisionWithoutTrailingZeros(
ethCost.minus(ethBalance, 16).div('1000000000000000000', 10).toString(10),
6,
)
: null
const destinationToken = useSelector(getDestinationTokenInfo)
useEffect(() => {
if (insufficientTokens || insufficientEth) {
dispatch(setBalanceError(true))
} else if (balanceError && !insufficientTokens && !insufficientEth) {
dispatch(setBalanceError(false))
}
}, [insufficientTokens, insufficientEth, balanceError, dispatch])
useEffect(() => {
const currentTime = Date.now()
const timeSinceLastFetched = currentTime - quotesLastFetched
if (timeSinceLastFetched > 60000 && !dispatchedSafeRefetch) {
setDispatchedSafeRefetch(true)
dispatch(safeRefetchQuotes())
} else if (timeSinceLastFetched > 60000) {
dispatch(setSwapsErrorKey(QUOTES_EXPIRED_ERROR))
history.push(SWAPS_ERROR_ROUTE)
}
}, [quotesLastFetched, dispatchedSafeRefetch, dispatch, history])
useEffect(() => {
if (!originalApproveAmount && approveAmount) {
setOriginalApproveAmount(approveAmount)
}
}, [originalApproveAmount, approveAmount])
const showWarning = (
(balanceError || tokenBalanceNeeded || ethBalanceNeeded) &&
!warningHidden
)
const numberOfQuotes = Object.values(quotes).length
const bestQuoteReviewedEventSent = useRef()
const eventObjectBase = {
token_from: sourceTokenSymbol,
token_from_amount: sourceTokenValue,
token_to: destinationTokenSymbol,
token_to_amount: destinationTokenValue,
request_type: fetchParams?.balanceError,
slippage: fetchParams?.slippage,
custom_slippage: fetchParams?.slippage !== 2,
response_time: fetchParams?.responseTime,
best_quote_source: topQuote?.aggregator,
available_quotes: numberOfQuotes,
}
const anonymousAllAvailableQuotesOpened = useNewMetricEvent({
event: 'All Available Quotes Opened',
properties: {
...eventObjectBase,
other_quote_selected: usedQuote?.aggregator !== topQuote?.aggregator,
other_quote_selected_source: usedQuote?.aggregator === topQuote?.aggregator ? null : usedQuote?.aggregator,
},
excludeMetaMetricsId: true,
category: 'swaps',
})
const allAvailableQuotesOpened = useNewMetricEvent({ event: 'All Available Quotes Opened', category: 'swaps' })
const anonymousQuoteDetailsOpened = useNewMetricEvent({
event: 'Quote Details Opened',
properties: {
...eventObjectBase,
other_quote_selected: usedQuote?.aggregator !== topQuote?.aggregator,
other_quote_selected_source: usedQuote?.aggregator === topQuote?.aggregator ? null : usedQuote?.aggregator,
},
excludeMetaMetricsId: true,
category: 'swaps',
})
const quoteDetailsOpened = useNewMetricEvent({ event: 'Quote Details Opened', category: 'swaps' })
const anonymousEditSpendLimitOpened = useNewMetricEvent({
event: 'Edit Spend Limit Opened',
properties: {
...eventObjectBase,
custom_spend_limit_set: originalApproveAmount === approveAmount,
custom_spend_limit_amount: originalApproveAmount === approveAmount ? null : approveAmount,
},
excludeMetaMetricsId: true,
category: 'swaps',
})
const editSpendLimitOpened = useNewMetricEvent({ event: 'Edit Spend Limit Opened', category: 'swaps' })
const anonymousBestQuoteReviewedEvent = useNewMetricEvent({ event: 'Best Quote Reviewed', properties: { ...eventObjectBase, network_fees: feeInFiat }, excludeMetaMetricsId: true, category: 'swaps' })
const bestQuoteReviewedEvent = useNewMetricEvent({ event: 'Best Quote Reviewed', category: 'swaps' })
useEffect(() => {
if (!bestQuoteReviewedEventSent.current && [sourceTokenSymbol, sourceTokenValue, destinationTokenSymbol, destinationTokenValue, fetchParams, topQuote, numberOfQuotes, feeInFiat].every((dep) => dep !== null && dep !== undefined)) {
bestQuoteReviewedEventSent.current = true
bestQuoteReviewedEvent()
anonymousBestQuoteReviewedEvent()
}
}, [sourceTokenSymbol, sourceTokenValue, destinationTokenSymbol, destinationTokenValue, fetchParams, topQuote, numberOfQuotes, feeInFiat, bestQuoteReviewedEvent, anonymousBestQuoteReviewedEvent])
const onFeeCardTokenApprovalClick = () => {
anonymousEditSpendLimitOpened()
editSpendLimitOpened()
dispatch(showModal({
name: 'EDIT_APPROVAL_PERMISSION',
decimals: selectedFromToken.decimals,
origin: 'MetaMask',
setCustomAmount: (newCustomPermissionAmount) => {
const customPermissionAmount = newCustomPermissionAmount === ''
? originalApproveAmount
: newCustomPermissionAmount
const newData = getCustomTxParamsData(
approveTxParams.data,
{ customPermissionAmount, decimals: selectedFromToken.decimals },
)
if (customPermissionAmount?.length && approveTxParams.data !== newData) {
dispatch(setCustomApproveTxData(newData))
}
},
tokenAmount: originalApproveAmount,
customTokenAmount: (
originalApproveAmount === approveAmount
? null
: approveAmount
),
tokenBalance,
tokenSymbol: selectedFromToken.symbol,
requiredMinimum: calcTokenAmount(
usedQuote.sourceAmount,
selectedFromToken.decimals,
),
}))
}
const onFeeCardMaxRowClick = () => dispatch(showModal({
name: 'CUSTOMIZE_GAS',
txData: { txParams: { ...tradeTxParams, gas: maxGasLimit } },
isSwap: true,
customGasLimitMessage: (
approveGas
? t('extraApprovalGas', [hexToDecimal(approveGas)])
: ''
),
customTotalSupplement: approveGasTotal,
extraInfoRow: (
approveGas
? {
label: t('approvalTxGasCost'),
value: t('amountInEth', [approveGasTotalInEth]),
}
: null
),
useFastestButtons: true,
}))
const tokenApprovalTextComponent = (
<span
key="swaps-view-quote-approve-symbol-1"
className="view-quote__bold"
>
{sourceTokenSymbol}
</span>
)
const actionableMessage = t('swapApproveNeedMoreTokens', [
<span
key="swapApproveNeedMoreTokens-1"
className="view-quote__bold"
>
{tokenBalanceNeeded || ethBalanceNeeded}
</span>,
tokenBalanceNeeded && !(sourceTokenSymbol === 'ETH')
? sourceTokenSymbol
: 'ETH',
])
return (
<div className="view-quote">
<div className="view-quote__content">
{selectQuotePopoverShown && (
<SelectQuotePopover
quoteDataRows={renderablePopoverData}
onClose={() => setSelectQuotePopoverShown(false)}
onSubmit={(aggId) => {
dispatch(setSelectedQuoteAggId(aggId))
dispatch(setCustomGasLimit(null))
dispatch(setSwapsTxGasLimit(''))
}}
swapToSymbol={destinationTokenSymbol}
initialAggId={usedQuote.aggregator}
onQuoteDetailsIsOpened={() => {
anonymousQuoteDetailsOpened()
quoteDetailsOpened()
}}
/>
)}
<div className="view-quote__insufficient-eth-warning-wrapper">
{showWarning && (
<ActionableMessage
message={actionableMessage}
onClose={() => setWarningHidden(true)}
/>
)}
</div>
<div
className={classnames('view-quote__countdown-timer-container', {
'view-quote__countdown-timer-container--thin': showWarning,
})}
>
<CountdownTimer
timeStarted={quotesLastFetched}
warningTime="0:30"
infoTooltipLabelKey="swapQuotesAreRefreshed"
labelKey="swapNewQuoteIn"
/>
</div>
<div
className={classnames('view-quote__main-quote-summary-container', {
'view-quote__main-quote-summary-container--thin': showWarning,
})}
>
<MainQuoteSummary
sourceValue={calcTokenValue(sourceTokenValue, sourceTokenDecimals)}
sourceDecimals={sourceTokenDecimals}
sourceSymbol={sourceTokenSymbol}
destinationValue={calcTokenValue(
destinationTokenValue,
destinationTokenDecimals,
)}
destinationDecimals={destinationTokenDecimals}
destinationSymbol={destinationTokenSymbol}
isBestQuote={isBestQuote}
/>
</div>
<div
className="view-quote__view-other-button-container"
>
<div className="view-quote__view-other-button">
{t('swapNQuotesAvailable', [Object.values(quotes).length])}
<i className="fa fa-arrow-right" />
</div>
<div
className="view-quote__view-other-button-fade"
onClick={() => {
anonymousAllAvailableQuotesOpened()
allAvailableQuotesOpened()
setSelectQuotePopoverShown(true)
}}
>
{t('swapNQuotesAvailable', [Object.values(quotes).length])}
<i className="fa fa-arrow-right" />
</div>
</div>
<div
className={classnames('view-quote__fee-card-container', {
'view-quote__fee-card-container--thin': showWarning,
'view-quote__fee-card-container--three-rows': approveTxParams && (!balanceError || warningHidden),
})}
>
<FeeCard
primaryFee={({
fee: feeInEth,
maxFee: maxFeeInEth,
})}
secondaryFee={({
fee: feeInFiat,
maxFee: maxFeeInFiat,
})}
onFeeCardMaxRowClick={onFeeCardMaxRowClick}
hideTokenApprovalRow={
!approveTxParams || (balanceError && !warningHidden)
}
tokenApprovalTextComponent={tokenApprovalTextComponent}
tokenApprovalSourceTokenSymbol={sourceTokenSymbol}
onTokenApprovalClick={onFeeCardTokenApprovalClick}
/>
</div>
</div>
<SwapsFooter
onSubmit={() => {
if (!balanceError) {
dispatch(signAndSendTransactions(history, metaMetricsEvent))
} else if (destinationToken.symbol === 'ETH') {
history.push(DEFAULT_ROUTE)
} else {
history.push(`${ASSET_ROUTE}/${destinationToken.address}`)
}
}}
submitText={t('swap')}
onCancel={async () => await dispatch(navigateBackToBuildQuote(history))}
disabled={balanceError}
showTermsOfService
showTopBorder
/>
</div>
)
}