import React, { useState, useContext, useMemo, useEffect, useRef, useCallback, } from 'react'; import { shallowEqual, 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 { captureException } from '@sentry/browser'; import PropTypes from 'prop-types'; import { I18nContext } from '../../../contexts/i18n'; import SelectQuotePopover from '../select-quote-popover'; import { useEthFiatAmount } from '../../../hooks/useEthFiatAmount'; import { useEqualityCheck } from '../../../hooks/useEqualityCheck'; import { usePrevious } from '../../../hooks/usePrevious'; import { useGasFeeInputs } from '../../../hooks/gasFeeInput/useGasFeeInputs'; import { MetaMetricsContext } from '../../../contexts/metametrics'; import { FALLBACK_GAS_MULTIPLIER, getQuotes, getSelectedQuote, getApproveTxParams, getFetchParams, setBalanceError, getQuotesLastFetched, getBalanceError, getCustomSwapsGas, // Gas limit. getCustomMaxFeePerGas, getCustomMaxPriorityFeePerGas, getSwapsUserFeeLevel, getDestinationTokenInfo, getUsedSwapsGasPrice, getTopQuote, signAndSendTransactions, getBackgroundSwapRouteState, swapsQuoteSelected, getSwapsQuoteRefreshTime, getReviewSwapClickedTimestamp, getSmartTransactionsOptInStatus, signAndSendSwapsSmartTransaction, getSwapsNetworkConfig, getSmartTransactionsEnabled, getSmartTransactionsError, getCurrentSmartTransactionsError, getSwapsSTXLoading, fetchSwapsSmartTransactionFees, getSmartTransactionFees, getCurrentSmartTransactionsEnabled, } from '../../../ducks/swaps/swaps'; import { conversionRateSelector, getSelectedAccount, getCurrentCurrency, getTokenExchangeRates, getSwapsDefaultToken, getCurrentChainId, isHardwareWallet, getHardwareWalletType, checkNetworkAndAccountSupports1559, getUSDConversionRate, getIsMultiLayerFeeNetwork, } from '../../../selectors'; import { getNativeCurrency, getTokens } from '../../../ducks/metamask/metamask'; import { safeRefetchQuotes, setCustomApproveTxData, setSwapsErrorKey, showModal, setSwapsQuotesPollingLimitEnabled, } from '../../../store/actions'; import { ASSET_ROUTE, DEFAULT_ROUTE, AWAITING_SWAP_ROUTE, SWAPS_NOTIFICATION_ROUTE, PREPARE_SWAP_ROUTE, } from '../../../helpers/constants/routes'; import { CHAIN_IDS } from '../../../../shared/constants/network'; import { addHexes, decGWEIToHexWEI, decimalToHex, decWEIToDecETH, sumHexes, } from '../../../../shared/modules/conversion.utils'; import { getCustomTxParamsData } from '../../confirm-approve/confirm-approve.util'; import { quotesToRenderableData, getRenderableNetworkFeesForQuote, getFeeForSmartTransaction, formatSwapsValueForDisplay, } from '../swaps.util'; import { useTokenTracker } from '../../../hooks/useTokenTracker'; import { QUOTES_EXPIRED_ERROR } from '../../../../shared/constants/swaps'; import { GasRecommendations } from '../../../../shared/constants/gas'; import CountdownTimer from '../countdown-timer'; import SwapsFooter from '../swaps-footer'; import Box from '../../../components/ui/box'; import { TextColor, JustifyContent, DISPLAY, AlignItems, FLEX_DIRECTION, TextVariant, FRACTIONS, TEXT_ALIGN, Size, Severity, } from '../../../helpers/constants/design-system'; import { MetaMetricsEventCategory, MetaMetricsEventName, MetaMetricsEventErrorType, } from '../../../../shared/constants/metametrics'; import { ButtonLink, Text, BannerAlert, } from '../../../components/component-library'; import { isEqualCaseInsensitive } from '../../../../shared/modules/string-utils'; import { parseStandardTokenTransactionData } from '../../../../shared/modules/transaction.utils'; import { getTokenValueParam } from '../../../../shared/lib/metamask-controller-utils'; import { calcGasTotal, calcTokenAmount, toPrecisionWithoutTrailingZeros, } from '../../../../shared/lib/transactions-controller-utils'; import { addHexPrefix } from '../../../../app/scripts/lib/util'; import { calcTokenValue } from '../../../../shared/lib/swaps-utils'; import fetchEstimatedL1Fee from '../../../helpers/utils/optimism/fetchEstimatedL1Fee'; import ExchangeRateDisplay from '../exchange-rate-display'; import InfoTooltip from '../../../components/ui/info-tooltip'; import useRamps from '../../../hooks/experiences/useRamps'; import ViewQuotePriceDifference from './view-quote-price-difference'; let intervalId; const GAS_FEES_LEARN_MORE_URL = 'https://community.metamask.io/t/what-is-gas-why-do-transactions-take-so-long/3172'; export default function ReviewQuote({ setReceiveToAmount }) { const history = useHistory(); const dispatch = useDispatch(); const t = useContext(I18nContext); const trackEvent = useContext(MetaMetricsContext); const [dispatchedSafeRefetch, setDispatchedSafeRefetch] = useState(false); const [submitClicked, setSubmitClicked] = useState(false); const [selectQuotePopoverShown, setSelectQuotePopoverShown] = useState(false); const [warningHidden] = useState(false); // TODO: Check when to use setWarningHidden const [originalApproveAmount, setOriginalApproveAmount] = useState(null); const [multiLayerL1FeeTotal, setMultiLayerL1FeeTotal] = useState(null); const [multiLayerL1ApprovalFeeTotal, setMultiLayerL1ApprovalFeeTotal] = useState(null); // We need to have currentTimestamp in state, otherwise it would change with each rerender. const [currentTimestamp] = useState(Date.now()); const { openBuyCryptoInPdapp } = useRamps(); const [acknowledgedPriceDifference, setAcknowledgedPriceDifference] = useState(false); const priceDifferenceRiskyBuckets = [ GasRecommendations.high, GasRecommendations.medium, ]; const routeState = useSelector(getBackgroundSwapRouteState); const quotes = useSelector(getQuotes, isEqual); useEffect(() => { if (!Object.values(quotes).length) { history.push(PREPARE_SWAP_ROUTE); } else if (routeState === 'awaiting') { history.push(AWAITING_SWAP_ROUTE); } }, [history, quotes, routeState]); const quotesLastFetched = useSelector(getQuotesLastFetched); const prevQuotesLastFetched = usePrevious(quotesLastFetched); // Select necessary data const gasPrice = useSelector(getUsedSwapsGasPrice); const customMaxGas = useSelector(getCustomSwapsGas); const customMaxFeePerGas = useSelector(getCustomMaxFeePerGas); const customMaxPriorityFeePerGas = useSelector(getCustomMaxPriorityFeePerGas); const swapsUserFeeLevel = useSelector(getSwapsUserFeeLevel); const tokenConversionRates = useSelector(getTokenExchangeRates, isEqual); const memoizedTokenConversionRates = useEqualityCheck(tokenConversionRates); const { balance: ethBalance } = useSelector(getSelectedAccount, shallowEqual); const conversionRate = useSelector(conversionRateSelector); const USDConversionRate = useSelector(getUSDConversionRate); const isMultiLayerFeeNetwork = useSelector(getIsMultiLayerFeeNetwork); const currentCurrency = useSelector(getCurrentCurrency); const swapsTokens = useSelector(getTokens, isEqual); const networkAndAccountSupports1559 = useSelector( checkNetworkAndAccountSupports1559, ); const balanceError = useSelector(getBalanceError); const fetchParams = useSelector(getFetchParams, isEqual); const approveTxParams = useSelector(getApproveTxParams, shallowEqual); const selectedQuote = useSelector(getSelectedQuote, isEqual); const topQuote = useSelector(getTopQuote, isEqual); const usedQuote = selectedQuote || topQuote; const tradeValue = usedQuote?.trade?.value ?? '0x0'; const swapsQuoteRefreshTime = useSelector(getSwapsQuoteRefreshTime); const defaultSwapsToken = useSelector(getSwapsDefaultToken, isEqual); const chainId = useSelector(getCurrentChainId); const nativeCurrencySymbol = useSelector(getNativeCurrency); const reviewSwapClickedTimestamp = useSelector(getReviewSwapClickedTimestamp); const smartTransactionsOptInStatus = useSelector( getSmartTransactionsOptInStatus, ); const smartTransactionsEnabled = useSelector(getSmartTransactionsEnabled); const swapsSTXLoading = useSelector(getSwapsSTXLoading); const currentSmartTransactionsError = useSelector( getCurrentSmartTransactionsError, ); const smartTransactionsError = useSelector(getSmartTransactionsError); const currentSmartTransactionsEnabled = useSelector( getCurrentSmartTransactionsEnabled, ); const smartTransactionFees = useSelector(getSmartTransactionFees, isEqual); const swapsNetworkConfig = useSelector(getSwapsNetworkConfig, shallowEqual); const unsignedTransaction = usedQuote.trade; const isSmartTransaction = currentSmartTransactionsEnabled && smartTransactionsOptInStatus; /* istanbul ignore next */ const getTranslatedNetworkName = () => { switch (chainId) { case CHAIN_IDS.MAINNET: return t('networkNameEthereum'); case CHAIN_IDS.BSC: return t('networkNameBSC'); case CHAIN_IDS.POLYGON: return t('networkNamePolygon'); case CHAIN_IDS.LOCALHOST: return t('networkNameTestnet'); case CHAIN_IDS.GOERLI: return t('networkNameGoerli'); case CHAIN_IDS.AVALANCHE: return t('networkNameAvalanche'); case CHAIN_IDS.OPTIMISM: return t('networkNameOptimism'); case CHAIN_IDS.ARBITRUM: return t('networkNameArbitrum'); default: throw new Error('This network is not supported for token swaps'); } }; let gasFeeInputs; if (networkAndAccountSupports1559) { // For Swaps we want to get 'high' estimations by default. // eslint-disable-next-line react-hooks/rules-of-hooks gasFeeInputs = useGasFeeInputs(GasRecommendations.high, { userFeeLevel: swapsUserFeeLevel || GasRecommendations.high, }); } const fetchParamsSourceToken = fetchParams?.sourceToken; const additionalTrackingParams = { reg_tx_fee_in_usd: undefined, reg_tx_fee_in_eth: undefined, reg_tx_max_fee_in_usd: undefined, reg_tx_max_fee_in_eth: undefined, stx_fee_in_usd: undefined, stx_fee_in_eth: undefined, stx_max_fee_in_usd: undefined, stx_max_fee_in_eth: undefined, }; const usedGasLimit = usedQuote?.gasEstimateWithRefund || `0x${decimalToHex(usedQuote?.averageGas || 0)}`; const gasLimitForMax = usedQuote?.gasEstimate || `0x0`; const usedGasLimitWithMultiplier = new BigNumber(gasLimitForMax, 16) .times(usedQuote?.gasMultiplier || FALLBACK_GAS_MULTIPLIER, 10) .round(0) .toString(16); const nonCustomMaxGasLimit = usedQuote?.gasEstimate ? usedGasLimitWithMultiplier : `0x${decimalToHex(usedQuote?.maxGas || 0)}`; const maxGasLimit = customMaxGas || nonCustomMaxGasLimit; let maxFeePerGas; let maxPriorityFeePerGas; let baseAndPriorityFeePerGas; // EIP-1559 gas fees. if (networkAndAccountSupports1559) { const { maxFeePerGas: suggestedMaxFeePerGas, maxPriorityFeePerGas: suggestedMaxPriorityFeePerGas, gasFeeEstimates: { estimatedBaseFee = '0' }, } = gasFeeInputs; maxFeePerGas = customMaxFeePerGas || decGWEIToHexWEI(suggestedMaxFeePerGas); maxPriorityFeePerGas = customMaxPriorityFeePerGas || decGWEIToHexWEI(suggestedMaxPriorityFeePerGas); baseAndPriorityFeePerGas = addHexes( decGWEIToHexWEI(estimatedBaseFee), maxPriorityFeePerGas, ); } let gasTotalInWeiHex = calcGasTotal(maxGasLimit, maxFeePerGas || gasPrice); if (multiLayerL1FeeTotal !== null) { gasTotalInWeiHex = sumHexes( gasTotalInWeiHex || '0x0', multiLayerL1FeeTotal || '0x0', ); } const { tokensWithBalances } = useTokenTracker(swapsTokens, true); const balanceToken = fetchParamsSourceToken === defaultSwapsToken.address ? defaultSwapsToken : tokensWithBalances.find(({ address }) => isEqualCaseInsensitive(address, fetchParamsSourceToken), ); const selectedFromToken = balanceToken || usedQuote.sourceTokenInfo; const tokenBalance = tokensWithBalances?.length && calcTokenAmount( selectedFromToken.balance || '0x0', selectedFromToken.decimals, ).toFixed(9); const tokenBalanceUnavailable = tokensWithBalances && balanceToken === undefined; const approveData = parseStandardTokenTransactionData(approveTxParams?.data); const approveValue = approveData && getTokenValueParam(approveData); const approveAmount = approveValue && selectedFromToken?.decimals !== undefined && calcTokenAmount(approveValue, selectedFromToken.decimals).toFixed(9); const approveGas = approveTxParams?.gas; const renderablePopoverData = useMemo(() => { return quotesToRenderableData({ quotes, gasPrice: networkAndAccountSupports1559 ? baseAndPriorityFeePerGas : gasPrice, conversionRate, currentCurrency, approveGas, tokenConversionRates: memoizedTokenConversionRates, chainId, smartTransactionEstimatedGas: smartTransactionsEnabled && smartTransactionsOptInStatus && smartTransactionFees?.tradeTxFees, nativeCurrencySymbol, multiLayerL1ApprovalFeeTotal, }); }, [ quotes, gasPrice, baseAndPriorityFeePerGas, networkAndAccountSupports1559, conversionRate, currentCurrency, approveGas, memoizedTokenConversionRates, chainId, smartTransactionFees?.tradeTxFees, nativeCurrencySymbol, smartTransactionsEnabled, smartTransactionsOptInStatus, multiLayerL1ApprovalFeeTotal, ]); const renderableDataForUsedQuote = renderablePopoverData.find( (renderablePopoverDatum) => renderablePopoverDatum.aggId === usedQuote.aggregator, ); const { destinationTokenDecimals, destinationTokenSymbol, destinationTokenValue, sourceTokenDecimals, sourceTokenSymbol, sourceTokenValue, } = renderableDataForUsedQuote; let { feeInFiat, feeInEth, rawEthFee, feeInUsd } = getRenderableNetworkFeesForQuote({ tradeGas: usedGasLimit, approveGas, gasPrice: networkAndAccountSupports1559 ? baseAndPriorityFeePerGas : gasPrice, currentCurrency, conversionRate, USDConversionRate, tradeValue, sourceSymbol: sourceTokenSymbol, sourceAmount: usedQuote.sourceAmount, chainId, nativeCurrencySymbol, multiLayerL1FeeTotal, }); additionalTrackingParams.reg_tx_fee_in_usd = Number(feeInUsd); additionalTrackingParams.reg_tx_fee_in_eth = Number(rawEthFee); const renderableMaxFees = getRenderableNetworkFeesForQuote({ tradeGas: maxGasLimit, approveGas, gasPrice: maxFeePerGas || gasPrice, currentCurrency, conversionRate, USDConversionRate, tradeValue, sourceSymbol: sourceTokenSymbol, sourceAmount: usedQuote.sourceAmount, chainId, nativeCurrencySymbol, multiLayerL1FeeTotal, }); let { feeInFiat: maxFeeInFiat, feeInEth: maxFeeInEth, rawEthFee: maxRawEthFee, feeInUsd: maxFeeInUsd, } = renderableMaxFees; additionalTrackingParams.reg_tx_max_fee_in_usd = Number(maxFeeInUsd); additionalTrackingParams.reg_tx_max_fee_in_eth = Number(maxRawEthFee); if (isSmartTransaction && smartTransactionFees?.tradeTxFees) { const stxEstimatedFeeInWeiDec = smartTransactionFees?.tradeTxFees.feeEstimate + (smartTransactionFees?.approvalTxFees?.feeEstimate || 0); const stxMaxFeeInWeiDec = stxEstimatedFeeInWeiDec * swapsNetworkConfig.stxMaxFeeMultiplier; ({ feeInFiat, feeInEth, rawEthFee, feeInUsd } = getFeeForSmartTransaction({ chainId, currentCurrency, conversionRate, USDConversionRate, nativeCurrencySymbol, feeInWeiDec: stxEstimatedFeeInWeiDec, })); additionalTrackingParams.stx_fee_in_usd = Number(feeInUsd); additionalTrackingParams.stx_fee_in_eth = Number(rawEthFee); additionalTrackingParams.estimated_gas = smartTransactionFees?.tradeTxFees.gasLimit; ({ feeInFiat: maxFeeInFiat, feeInEth: maxFeeInEth, rawEthFee: maxRawEthFee, feeInUsd: maxFeeInUsd, } = getFeeForSmartTransaction({ chainId, currentCurrency, conversionRate, USDConversionRate, nativeCurrencySymbol, feeInWeiDec: stxMaxFeeInWeiDec, })); additionalTrackingParams.stx_max_fee_in_usd = Number(maxFeeInUsd); additionalTrackingParams.stx_max_fee_in_eth = Number(maxRawEthFee); } 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; let ethBalanceNeededStx; if (isSmartTransaction && smartTransactionsError?.balanceNeededWei) { ethBalanceNeededStx = decWEIToDecETH( smartTransactionsError.balanceNeededWei - smartTransactionsError.currentBalanceWei, ); } const prevEthBalanceNeededStx = usePrevious(ethBalanceNeededStx); const destinationToken = useSelector(getDestinationTokenInfo, isEqual); useEffect(() => { if (isSmartTransaction) { if (insufficientTokens) { dispatch(setBalanceError(true)); } else if (balanceError && !insufficientTokens) { dispatch(setBalanceError(false)); } } else if (insufficientTokens || insufficientEth) { dispatch(setBalanceError(true)); } else if (balanceError && !insufficientTokens && !insufficientEth) { dispatch(setBalanceError(false)); } }, [ insufficientTokens, insufficientEth, dispatch, isSmartTransaction, balanceError, ]); useEffect(() => { const currentTime = Date.now(); const timeSinceLastFetched = currentTime - quotesLastFetched; if ( timeSinceLastFetched > swapsQuoteRefreshTime && !dispatchedSafeRefetch ) { setDispatchedSafeRefetch(true); dispatch(safeRefetchQuotes()); } else if (timeSinceLastFetched > swapsQuoteRefreshTime) { dispatch(setSwapsErrorKey(QUOTES_EXPIRED_ERROR)); history.push(SWAPS_NOTIFICATION_ROUTE); } }, [ quotesLastFetched, dispatchedSafeRefetch, dispatch, history, swapsQuoteRefreshTime, ]); useEffect(() => { if (!originalApproveAmount && approveAmount) { setOriginalApproveAmount(approveAmount); } }, [originalApproveAmount, approveAmount]); // If it's not a Smart Transaction and ETH balance is needed, we want to show a warning. const isNotStxAndEthBalanceIsNeeded = !isSmartTransaction && ethBalanceNeeded; // If it's a Smart Transaction and ETH balance is needed, we want to show a warning. const isStxAndEthBalanceIsNeeded = isSmartTransaction && ethBalanceNeededStx; // Indicates if we should show to a user a warning about insufficient funds for swapping. const showInsufficientWarning = (balanceError || tokenBalanceNeeded || isNotStxAndEthBalanceIsNeeded || isStxAndEthBalanceIsNeeded) && !warningHidden; const hardwareWalletUsed = useSelector(isHardwareWallet); const hardwareWalletType = useSelector(getHardwareWalletType); const numberOfQuotes = Object.values(quotes).length; const bestQuoteReviewedEventSent = useRef(); const eventObjectBase = useMemo(() => { return { 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, is_hardware_wallet: hardwareWalletUsed, hardware_wallet_type: hardwareWalletType, stx_enabled: smartTransactionsEnabled, current_stx_enabled: currentSmartTransactionsEnabled, stx_user_opt_in: smartTransactionsOptInStatus, }; }, [ sourceTokenSymbol, sourceTokenValue, destinationTokenSymbol, destinationTokenValue, fetchParams?.balanceError, fetchParams?.slippage, fetchParams?.responseTime, topQuote?.aggregator, numberOfQuotes, hardwareWalletUsed, hardwareWalletType, smartTransactionsEnabled, currentSmartTransactionsEnabled, smartTransactionsOptInStatus, ]); const trackAllAvailableQuotesOpened = () => { trackEvent({ event: 'All Available Quotes Opened', category: MetaMetricsEventCategory.Swaps, sensitiveProperties: { ...eventObjectBase, other_quote_selected: usedQuote?.aggregator !== topQuote?.aggregator, other_quote_selected_source: usedQuote?.aggregator === topQuote?.aggregator ? null : usedQuote?.aggregator, }, }); }; const trackQuoteDetailsOpened = () => { trackEvent({ event: 'Quote Details Opened', category: MetaMetricsEventCategory.Swaps, sensitiveProperties: { ...eventObjectBase, other_quote_selected: usedQuote?.aggregator !== topQuote?.aggregator, other_quote_selected_source: usedQuote?.aggregator === topQuote?.aggregator ? null : usedQuote?.aggregator, }, }); }; const trackEditSpendLimitOpened = () => { trackEvent({ event: 'Edit Spend Limit Opened', category: MetaMetricsEventCategory.Swaps, sensitiveProperties: { ...eventObjectBase, custom_spend_limit_set: originalApproveAmount === approveAmount, custom_spend_limit_amount: originalApproveAmount === approveAmount ? null : approveAmount, }, }); }; const trackBestQuoteReviewedEvent = useCallback(() => { trackEvent({ event: 'Best Quote Reviewed', category: MetaMetricsEventCategory.Swaps, sensitiveProperties: { ...eventObjectBase, network_fees: feeInFiat, }, }); }, [trackEvent, eventObjectBase, feeInFiat]); const trackViewQuotePageLoadedEvent = useCallback(() => { trackEvent({ event: 'Review Quote Component Loaded', category: MetaMetricsEventCategory.Swaps, sensitiveProperties: { ...eventObjectBase, response_time: currentTimestamp - reviewSwapClickedTimestamp, }, }); }, [ trackEvent, eventObjectBase, currentTimestamp, reviewSwapClickedTimestamp, ]); useEffect(() => { if ( !bestQuoteReviewedEventSent.current && [ sourceTokenSymbol, sourceTokenValue, destinationTokenSymbol, destinationTokenValue, fetchParams, topQuote, numberOfQuotes, feeInFiat, ].every((dep) => dep !== null && dep !== undefined) ) { bestQuoteReviewedEventSent.current = true; trackBestQuoteReviewedEvent(); } }, [ fetchParams, topQuote, numberOfQuotes, feeInFiat, destinationTokenSymbol, destinationTokenValue, sourceTokenSymbol, sourceTokenValue, trackBestQuoteReviewedEvent, ]); useEffect(() => { if ( ((isSmartTransaction && prevEthBalanceNeededStx) || !isSmartTransaction) && quotesLastFetched === prevQuotesLastFetched ) { return; } let additionalBalanceNeeded; if (isSmartTransaction && ethBalanceNeededStx) { additionalBalanceNeeded = ethBalanceNeededStx; } else if (!isSmartTransaction && ethBalanceNeeded) { additionalBalanceNeeded = ethBalanceNeeded; } else { return; // A user has enough balance for a gas fee, so we don't need to track it. } trackEvent({ event: MetaMetricsEventName.SwapError, category: MetaMetricsEventCategory.Swaps, sensitiveProperties: { ...eventObjectBase, error_type: MetaMetricsEventErrorType.InsufficientGas, additional_balance_needed: additionalBalanceNeeded, }, }); }, [ quotesLastFetched, prevQuotesLastFetched, ethBalanceNeededStx, isSmartTransaction, trackEvent, prevEthBalanceNeededStx, ethBalanceNeeded, eventObjectBase, ]); const metaMaskFee = usedQuote.fee; /* istanbul ignore next */ const onFeeCardTokenApprovalClick = () => { trackEditSpendLimitOpened(); 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 needsMoreGas = Boolean(ethBalanceNeededStx || ethBalanceNeeded); const actionableBalanceErrorMessage = tokenBalanceUnavailable ? t('swapTokenBalanceUnavailable', [sourceTokenSymbol]) : t('swapApproveNeedMoreTokens', [ {tokenBalanceNeeded || ethBalanceNeededStx || ethBalanceNeeded} , tokenBalanceNeeded && !(sourceTokenSymbol === defaultSwapsToken.symbol) ? sourceTokenSymbol : defaultSwapsToken.symbol, ]); // Price difference warning const priceSlippageBucket = usedQuote?.priceSlippage?.bucket; const lastPriceDifferenceBucket = usePrevious(priceSlippageBucket); // If the user agreed to a different bucket of risk, make them agree again useEffect(() => { if ( acknowledgedPriceDifference && lastPriceDifferenceBucket === GasRecommendations.medium && priceSlippageBucket === GasRecommendations.high ) { setAcknowledgedPriceDifference(false); } }, [ priceSlippageBucket, acknowledgedPriceDifference, lastPriceDifferenceBucket, ]); let viewQuotePriceDifferenceWarning = null; const priceSlippageFromSource = useEthFiatAmount( usedQuote?.priceSlippage?.sourceAmountInETH || 0, { showFiat: true }, ); const priceSlippageFromDestination = useEthFiatAmount( usedQuote?.priceSlippage?.destinationAmountInETH || 0, { showFiat: true }, ); // We cannot present fiat value if there is a calculation error or no slippage // from source or destination const priceSlippageUnknownFiatValue = !priceSlippageFromSource || !priceSlippageFromDestination || Boolean(usedQuote?.priceSlippage?.calculationError); let priceDifferencePercentage = 0; if (usedQuote?.priceSlippage?.ratio) { priceDifferencePercentage = parseFloat( new BigNumber(usedQuote.priceSlippage.ratio, 10) .minus(1, 10) .times(100, 10) .toFixed(2), 10, ); } const prevPriceDifferencePercentage = usePrevious(priceDifferencePercentage); const shouldShowPriceDifferenceWarning = !tokenBalanceUnavailable && !showInsufficientWarning && usedQuote && (priceDifferenceRiskyBuckets.includes(priceSlippageBucket) || priceSlippageUnknownFiatValue); if (shouldShowPriceDifferenceWarning) { viewQuotePriceDifferenceWarning = ( { setAcknowledgedPriceDifference(true); }} acknowledged={acknowledgedPriceDifference} /> ); } const disableSubmissionDueToPriceWarning = shouldShowPriceDifferenceWarning && !acknowledgedPriceDifference; const isShowingWarning = showInsufficientWarning || shouldShowPriceDifferenceWarning; const isSwapButtonDisabled = Boolean( submitClicked || balanceError || tokenBalanceUnavailable || disableSubmissionDueToPriceWarning || (networkAndAccountSupports1559 && baseAndPriorityFeePerGas === undefined) || (!networkAndAccountSupports1559 && (gasPrice === null || gasPrice === undefined)) || (currentSmartTransactionsEnabled && (currentSmartTransactionsError || smartTransactionsError)) || (currentSmartTransactionsEnabled && smartTransactionsOptInStatus && !smartTransactionFees?.tradeTxFees), ); useEffect(() => { if ( shouldShowPriceDifferenceWarning && acknowledgedPriceDifference && quotesLastFetched !== prevQuotesLastFetched && priceDifferencePercentage !== prevPriceDifferencePercentage ) { // Reset price difference acknowledgement if price diff % changed. setAcknowledgedPriceDifference(false); } }, [ acknowledgedPriceDifference, prevQuotesLastFetched, quotesLastFetched, shouldShowPriceDifferenceWarning, priceDifferencePercentage, prevPriceDifferencePercentage, ]); useEffect(() => { if (isSmartTransaction && !insufficientTokens) { const unsignedTx = { from: unsignedTransaction.from, to: unsignedTransaction.to, value: unsignedTransaction.value, data: unsignedTransaction.data, gas: unsignedTransaction.gas, chainId, }; intervalId = setInterval(() => { if (!swapsSTXLoading) { dispatch( fetchSwapsSmartTransactionFees({ unsignedTransaction: unsignedTx, approveTxParams, fallbackOnNotEnoughFunds: false, }), ); } }, swapsNetworkConfig.stxGetTransactionsRefreshTime); dispatch( fetchSwapsSmartTransactionFees({ unsignedTransaction: unsignedTx, approveTxParams, fallbackOnNotEnoughFunds: false, }), ); } else if (intervalId) { clearInterval(intervalId); } return () => clearInterval(intervalId); // eslint-disable-next-line }, [ dispatch, isSmartTransaction, unsignedTransaction.data, unsignedTransaction.from, unsignedTransaction.value, unsignedTransaction.gas, unsignedTransaction.to, chainId, swapsNetworkConfig.stxGetTransactionsRefreshTime, insufficientTokens, ]); useEffect(() => { // Thanks to the next line we will only do quotes polling 3 times before showing a Quote Timeout modal. dispatch(setSwapsQuotesPollingLimitEnabled(true)); if (reviewSwapClickedTimestamp) { trackViewQuotePageLoadedEvent(); } }, [dispatch, trackViewQuotePageLoadedEvent, reviewSwapClickedTimestamp]); useEffect(() => { // if smart transaction error is turned off, reset submit clicked boolean if ( !currentSmartTransactionsEnabled && currentSmartTransactionsError && submitClicked ) { setSubmitClicked(false); } }, [ currentSmartTransactionsEnabled, currentSmartTransactionsError, submitClicked, ]); useEffect(() => { if (!isMultiLayerFeeNetwork || !usedQuote?.multiLayerL1TradeFeeTotal) { return; } const getEstimatedL1Fees = async () => { try { let l1ApprovalFeeTotal = '0x0'; if (approveTxParams) { l1ApprovalFeeTotal = await fetchEstimatedL1Fee({ txParams: { ...approveTxParams, gasPrice: addHexPrefix(approveTxParams.gasPrice), value: '0x0', // For approval txs we need to use "0x0" here. }, chainId, }); setMultiLayerL1ApprovalFeeTotal(l1ApprovalFeeTotal); } const l1FeeTotal = sumHexes( usedQuote.multiLayerL1TradeFeeTotal, l1ApprovalFeeTotal, ); setMultiLayerL1FeeTotal(l1FeeTotal); } catch (e) { captureException(e); setMultiLayerL1FeeTotal(null); setMultiLayerL1ApprovalFeeTotal(null); } }; getEstimatedL1Fees(); }, [ unsignedTransaction, approveTxParams, isMultiLayerFeeNetwork, chainId, usedQuote, ]); const destinationValue = calcTokenValue( destinationTokenValue, destinationTokenDecimals, ); const destinationAmount = calcTokenAmount( destinationValue, destinationTokenDecimals, ); const amountToDisplay = formatSwapsValueForDisplay(destinationAmount); const amountDigitLength = amountToDisplay.match(/\d+/gu).join('').length; let ellipsedAmountToDisplay = amountToDisplay; if (amountDigitLength > 20) { ellipsedAmountToDisplay = `${amountToDisplay.slice(0, 20)}...`; } useEffect(() => { setReceiveToAmount(ellipsedAmountToDisplay); }, [ellipsedAmountToDisplay, setReceiveToAmount]); const hideTokenApprovalRow = !approveTxParams || (balanceError && !warningHidden); // TODO: use the component for this. const tokenApprovalTextComponent = ( {t('enableToken', [sourceTokenSymbol])} ); return (
{ /* istanbul ignore next */ selectQuotePopoverShown && ( setSelectQuotePopoverShown(false)} onSubmit={(aggId) => dispatch(swapsQuoteSelected(aggId))} swapToSymbol={destinationTokenSymbol} initialAggId={usedQuote.aggregator} onQuoteDetailsIsOpened={trackQuoteDetailsOpened} hideEstimatedGasFee={ smartTransactionsEnabled && smartTransactionsOptInStatus } /> ) } {isShowingWarning && ( <> {viewQuotePriceDifferenceWarning} {(showInsufficientWarning || tokenBalanceUnavailable) && ( openBuyCryptoInPdapp() : undefined } marginTop={2} /> )} )}
{t('quoteRate')} {t('transactionDetailGasHeading')}

{t('swapGasFeesSummary', [getTranslatedNetworkName()])}

{t('swapGasFeesDetails')}

{ /* istanbul ignore next */ trackEvent({ event: 'Clicked "Gas Fees: Learn More" Link', category: MetaMetricsEventCategory.Swaps, }); global.platform.openTab({ url: GAS_FEES_LEARN_MORE_URL, }); }} target="_blank" rel="noopener noreferrer" > {t('swapGasFeesLearnMore')}

} />
{feeInEth} {` ${feeInFiat}`}
{(maxFeeInFiat || maxFeeInEth) && ( {`${t('maxFee')}: `} {maxFeeInFiat || maxFeeInEth} )} {!hideTokenApprovalRow && ( {t('swapEnableTokenForSwapping', [tokenApprovalTextComponent])} onFeeCardTokenApprovalClick()} size={Size.inherit} className="review-quote__edit-limit" > {t('swapEditLimit')} )} {t('swapIncludesMetaMaskFeeViewAllQuotes', [ metaMaskFee, { trackAllAvailableQuotesOpened(); setSelectQuotePopoverShown(true); } } size={Size.inherit} > {t('viewAllQuotes')} , ])}
{ setSubmitClicked(true); if (!balanceError) { if (isSmartTransaction && smartTransactionFees?.tradeTxFees) { dispatch( signAndSendSwapsSmartTransaction({ unsignedTransaction, trackEvent, history, additionalTrackingParams, }), ); } else { dispatch( signAndSendTransactions( history, trackEvent, additionalTrackingParams, ), ); } } else if (destinationToken.symbol === defaultSwapsToken.symbol) { history.push(DEFAULT_ROUTE); } else { history.push(`${ASSET_ROUTE}/${destinationToken.address}`); } } } submitText={ isSmartTransaction && swapsSTXLoading ? t('preparingSwap') : t('swap') } hideCancel disabled={isSwapButtonDisabled} className={classnames('review-quote__footer', { 'review-quote__thin-swaps-footer': isShowingWarning, })} showTopBorder showTermsOfService />
); } ReviewQuote.propTypes = { setReceiveToAmount: PropTypes.func.isRequired, };