mirror of
https://github.com/kremalicious/metamask-extension.git
synced 2024-11-29 23:58:06 +01:00
556 lines
18 KiB
JavaScript
556 lines
18 KiB
JavaScript
import React, { useContext, useEffect, useState, useCallback } from 'react';
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import PropTypes from 'prop-types';
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import { useDispatch, useSelector } from 'react-redux';
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import classnames from 'classnames';
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import { uniqBy, isEqual } from 'lodash';
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import { useHistory } from 'react-router-dom';
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import {
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createCustomTokenTrackerLink,
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createTokenTrackerLinkForChain,
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} from '@metamask/etherscan-link';
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import { MetaMetricsContext } from '../../../contexts/metametrics.new';
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import {
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useTokensToSearch,
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getRenderableTokenData,
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} from '../../../hooks/useTokensToSearch';
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import { useEqualityCheck } from '../../../hooks/useEqualityCheck';
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import { I18nContext } from '../../../contexts/i18n';
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import DropdownInputPair from '../dropdown-input-pair';
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import DropdownSearchList from '../dropdown-search-list';
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import SlippageButtons from '../slippage-buttons';
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import { getTokens } from '../../../ducks/metamask/metamask';
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import InfoTooltip from '../../../components/ui/info-tooltip';
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import ActionableMessage from '../actionable-message';
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import {
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fetchQuotesAndSetQuoteState,
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setSwapsFromToken,
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setSwapToToken,
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getFromToken,
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getToToken,
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getBalanceError,
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getTopAssets,
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getFetchParams,
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} from '../../../ducks/swaps/swaps';
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import {
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getSwapsDefaultToken,
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getTokenExchangeRates,
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getConversionRate,
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getCurrentCurrency,
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getCurrentChainId,
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getRpcPrefsForCurrentProvider,
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} from '../../../selectors';
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import {
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getValueFromWeiHex,
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hexToDecimal,
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} from '../../../helpers/utils/conversions.util';
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import { calcTokenAmount } from '../../../helpers/utils/token-util';
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import { usePrevious } from '../../../hooks/usePrevious';
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import { useTokenTracker } from '../../../hooks/useTokenTracker';
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import { useTokenFiatAmount } from '../../../hooks/useTokenFiatAmount';
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import { useEthFiatAmount } from '../../../hooks/useEthFiatAmount';
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import {
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isSwapsDefaultTokenAddress,
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isSwapsDefaultTokenSymbol,
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} from '../../../../shared/modules/swaps.utils';
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import { SWAPS_CHAINID_DEFAULT_BLOCK_EXPLORER_URL_MAP } from '../../../../shared/constants/swaps';
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import { resetSwapsPostFetchState, removeToken } from '../../../store/actions';
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import { fetchTokenPrice, fetchTokenBalance } from '../swaps.util';
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import SwapsFooter from '../swaps-footer';
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const fuseSearchKeys = [
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{ name: 'name', weight: 0.499 },
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{ name: 'symbol', weight: 0.499 },
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{ name: 'address', weight: 0.002 },
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];
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const MAX_ALLOWED_SLIPPAGE = 15;
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export default function BuildQuote({
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inputValue,
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onInputChange,
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ethBalance,
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setMaxSlippage,
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maxSlippage,
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selectedAccountAddress,
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isFeatureFlagLoaded,
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}) {
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const t = useContext(I18nContext);
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const dispatch = useDispatch();
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const history = useHistory();
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const metaMetricsEvent = useContext(MetaMetricsContext);
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const [fetchedTokenExchangeRate, setFetchedTokenExchangeRate] = useState(
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undefined,
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);
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const [verificationClicked, setVerificationClicked] = useState(false);
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const balanceError = useSelector(getBalanceError);
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const fetchParams = useSelector(getFetchParams);
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const { sourceTokenInfo = {}, destinationTokenInfo = {} } =
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fetchParams?.metaData || {};
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const tokens = useSelector(getTokens);
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const topAssets = useSelector(getTopAssets);
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const fromToken = useSelector(getFromToken);
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const toToken = useSelector(getToToken) || destinationTokenInfo;
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const defaultSwapsToken = useSelector(getSwapsDefaultToken);
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const chainId = useSelector(getCurrentChainId);
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const rpcPrefs = useSelector(getRpcPrefsForCurrentProvider);
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const tokenConversionRates = useSelector(getTokenExchangeRates, isEqual);
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const conversionRate = useSelector(getConversionRate);
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const currentCurrency = useSelector(getCurrentCurrency);
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const fetchParamsFromToken = isSwapsDefaultTokenSymbol(
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sourceTokenInfo?.symbol,
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chainId,
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)
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? defaultSwapsToken
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: sourceTokenInfo;
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const { loading, tokensWithBalances } = useTokenTracker(tokens);
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// If the fromToken was set in a call to `onFromSelect` (see below), and that from token has a balance
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// but is not in tokensWithBalances or tokens, then we want to add it to the usersTokens array so that
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// the balance of the token can appear in the from token selection dropdown
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const fromTokenArray =
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!isSwapsDefaultTokenSymbol(fromToken?.symbol, chainId) && fromToken?.balance
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? [fromToken]
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: [];
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const usersTokens = uniqBy(
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[...tokensWithBalances, ...tokens, ...fromTokenArray],
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'address',
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);
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const memoizedUsersTokens = useEqualityCheck(usersTokens);
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const selectedFromToken = getRenderableTokenData(
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fromToken || fetchParamsFromToken,
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tokenConversionRates,
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conversionRate,
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currentCurrency,
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chainId,
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);
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const tokensToSearch = useTokensToSearch({
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usersTokens: memoizedUsersTokens,
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topTokens: topAssets,
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});
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const selectedToToken =
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tokensToSearch.find(({ address }) => address === toToken?.address) ||
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toToken;
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const toTokenIsNotDefault =
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selectedToToken?.address &&
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!isSwapsDefaultTokenAddress(selectedToToken?.address, chainId);
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const occurances = Number(selectedToToken?.occurances || 0);
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const {
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address: fromTokenAddress,
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symbol: fromTokenSymbol,
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string: fromTokenString,
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decimals: fromTokenDecimals,
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balance: rawFromTokenBalance,
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} = selectedFromToken || {};
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const fromTokenBalance =
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rawFromTokenBalance &&
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calcTokenAmount(rawFromTokenBalance, fromTokenDecimals).toString(10);
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const prevFromTokenBalance = usePrevious(fromTokenBalance);
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const swapFromTokenFiatValue = useTokenFiatAmount(
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fromTokenAddress,
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inputValue || 0,
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fromTokenSymbol,
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{
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showFiat: true,
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},
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true,
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);
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const swapFromEthFiatValue = useEthFiatAmount(
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inputValue || 0,
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{ showFiat: true },
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true,
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);
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const swapFromFiatValue = isSwapsDefaultTokenSymbol(fromTokenSymbol, chainId)
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? swapFromEthFiatValue
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: swapFromTokenFiatValue;
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const onFromSelect = (token) => {
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if (
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token?.address &&
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!swapFromFiatValue &&
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fetchedTokenExchangeRate !== null
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) {
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fetchTokenPrice(token.address).then((rate) => {
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if (rate !== null && rate !== undefined) {
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setFetchedTokenExchangeRate(rate);
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}
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});
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} else {
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setFetchedTokenExchangeRate(null);
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}
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if (
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token?.address &&
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!memoizedUsersTokens.find(
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(usersToken) => usersToken.address === token.address,
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)
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) {
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fetchTokenBalance(token.address, selectedAccountAddress).then(
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(fetchedBalance) => {
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if (fetchedBalance?.balance) {
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const balanceAsDecString = fetchedBalance.balance.toString(10);
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const userTokenBalance = calcTokenAmount(
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balanceAsDecString,
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token.decimals,
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);
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dispatch(
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setSwapsFromToken({
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...token,
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string: userTokenBalance.toString(10),
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balance: balanceAsDecString,
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}),
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);
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}
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},
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);
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}
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dispatch(setSwapsFromToken(token));
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onInputChange(
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token?.address ? inputValue : '',
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token.string,
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token.decimals,
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);
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};
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let blockExplorerTokenLink;
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let blockExplorerLabel;
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if (rpcPrefs.blockExplorerUrl) {
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blockExplorerTokenLink = createCustomTokenTrackerLink(
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selectedToToken.address,
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rpcPrefs.blockExplorerUrl,
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);
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blockExplorerLabel = new URL(rpcPrefs.blockExplorerUrl).hostname;
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} else if (SWAPS_CHAINID_DEFAULT_BLOCK_EXPLORER_URL_MAP[chainId]) {
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blockExplorerTokenLink = createCustomTokenTrackerLink(
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selectedToToken.address,
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SWAPS_CHAINID_DEFAULT_BLOCK_EXPLORER_URL_MAP[chainId],
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);
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blockExplorerLabel = new URL(
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SWAPS_CHAINID_DEFAULT_BLOCK_EXPLORER_URL_MAP[chainId],
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).hostname;
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} else {
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blockExplorerTokenLink = createTokenTrackerLinkForChain(
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selectedToToken.address,
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chainId,
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);
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blockExplorerLabel = t('etherscan');
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}
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const { destinationTokenAddedForSwap } = fetchParams || {};
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const { address: toAddress } = toToken || {};
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const onToSelect = useCallback(
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(token) => {
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if (destinationTokenAddedForSwap && token.address !== toAddress) {
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dispatch(removeToken(toAddress));
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}
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dispatch(setSwapToToken(token));
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setVerificationClicked(false);
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},
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[dispatch, destinationTokenAddedForSwap, toAddress],
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);
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const hideDropdownItemIf = useCallback(
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(item) => item.address === fromTokenAddress,
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[fromTokenAddress],
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);
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const tokensWithBalancesFromToken = tokensWithBalances.find(
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(token) => token.address === fromToken?.address,
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);
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const previousTokensWithBalancesFromToken = usePrevious(
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tokensWithBalancesFromToken,
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);
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useEffect(() => {
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const notDefault = !isSwapsDefaultTokenAddress(
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tokensWithBalancesFromToken?.address,
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chainId,
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);
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const addressesAreTheSame =
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tokensWithBalancesFromToken?.address ===
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previousTokensWithBalancesFromToken?.address;
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const balanceHasChanged =
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tokensWithBalancesFromToken?.balance !==
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previousTokensWithBalancesFromToken?.balance;
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if (notDefault && addressesAreTheSame && balanceHasChanged) {
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dispatch(
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setSwapsFromToken({
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...fromToken,
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balance: tokensWithBalancesFromToken?.balance,
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string: tokensWithBalancesFromToken?.string,
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}),
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);
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}
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}, [
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dispatch,
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tokensWithBalancesFromToken,
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previousTokensWithBalancesFromToken,
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fromToken,
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chainId,
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]);
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// If the eth balance changes while on build quote, we update the selected from token
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useEffect(() => {
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if (
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isSwapsDefaultTokenAddress(fromToken?.address, chainId) &&
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fromToken?.balance !== hexToDecimal(ethBalance)
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) {
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dispatch(
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setSwapsFromToken({
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...fromToken,
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balance: hexToDecimal(ethBalance),
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string: getValueFromWeiHex({
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value: ethBalance,
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numberOfDecimals: 4,
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toDenomination: 'ETH',
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}),
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}),
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);
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}
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}, [dispatch, fromToken, ethBalance, chainId]);
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useEffect(() => {
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if (prevFromTokenBalance !== fromTokenBalance) {
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onInputChange(inputValue, fromTokenBalance);
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}
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}, [onInputChange, prevFromTokenBalance, inputValue, fromTokenBalance]);
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useEffect(() => {
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dispatch(resetSwapsPostFetchState());
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}, [dispatch]);
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return (
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<div className="build-quote">
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<div className="build-quote__content">
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<div className="build-quote__dropdown-input-pair-header">
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<div className="build-quote__input-label">{t('swapSwapFrom')}</div>
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{!isSwapsDefaultTokenSymbol(fromTokenSymbol, chainId) && (
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<div
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className="build-quote__max-button"
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onClick={() =>
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onInputChange(fromTokenBalance || '0', fromTokenBalance)
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}
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>
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{t('max')}
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</div>
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)}
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</div>
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<DropdownInputPair
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onSelect={onFromSelect}
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itemsToSearch={tokensToSearch}
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onInputChange={(value) => {
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onInputChange(value, fromTokenBalance);
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}}
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inputValue={inputValue}
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leftValue={inputValue && swapFromFiatValue}
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selectedItem={selectedFromToken}
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maxListItems={30}
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loading={
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loading &&
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(!tokensToSearch?.length ||
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!topAssets ||
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!Object.keys(topAssets).length)
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}
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selectPlaceHolderText={t('swapSelect')}
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hideItemIf={(item) => item.address === selectedToToken?.address}
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listContainerClassName="build-quote__open-dropdown"
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autoFocus
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/>
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<div
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className={classnames('build-quote__balance-message', {
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'build-quote__balance-message--error': balanceError,
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})}
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>
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{!balanceError &&
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fromTokenSymbol &&
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t('swapYourTokenBalance', [
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fromTokenString || '0',
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fromTokenSymbol,
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])}
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{balanceError && fromTokenSymbol && (
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<div className="build-quite__insufficient-funds">
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<div className="build-quite__insufficient-funds-first">
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{t('swapsNotEnoughForTx', [fromTokenSymbol])}
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</div>
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<div className="build-quite__insufficient-funds-second">
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{t('swapYourTokenBalance', [
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fromTokenString || '0',
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fromTokenSymbol,
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])}
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</div>
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</div>
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)}
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</div>
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<div className="build-quote__swap-arrows-row">
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<button
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className="build-quote__swap-arrows"
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onClick={() => {
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onToSelect(selectedFromToken);
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onFromSelect(selectedToToken);
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}}
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>
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<img
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src="/images/icons/swap2.svg"
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alt={t('swapSwapSwitch')}
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width="12"
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height="16"
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/>
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</button>
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</div>
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<div className="build-quote__dropdown-swap-to-header">
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<div className="build-quote__input-label">{t('swapSwapTo')}</div>
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</div>
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<div className="dropdown-input-pair dropdown-input-pair__to">
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<DropdownSearchList
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startingItem={selectedToToken}
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itemsToSearch={tokensToSearch}
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searchPlaceholderText={t('swapSearchForAToken')}
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fuseSearchKeys={fuseSearchKeys}
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selectPlaceHolderText={t('swapSelectAToken')}
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maxListItems={30}
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onSelect={onToSelect}
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loading={
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loading &&
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(!tokensToSearch?.length ||
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!topAssets ||
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!Object.keys(topAssets).length)
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}
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externallySelectedItem={selectedToToken}
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hideItemIf={hideDropdownItemIf}
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listContainerClassName="build-quote__open-to-dropdown"
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hideRightLabels
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defaultToAll
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/>
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</div>
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{toTokenIsNotDefault &&
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(occurances < 2 ? (
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<ActionableMessage
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message={
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<div className="build-quote__token-verification-warning-message">
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<div className="build-quote__bold">
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{occurances === 1
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? t('swapTokenVerificationOnlyOneSource')
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: t('swapTokenVerificationNoSource')}
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</div>
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<div>
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{blockExplorerTokenLink &&
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t('verifyThisTokenOn', [
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<a
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className="build-quote__token-etherscan-link build-quote__underline"
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key="build-quote-etherscan-link"
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href={blockExplorerTokenLink}
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target="_blank"
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rel="noopener noreferrer"
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>
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{blockExplorerLabel}
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</a>,
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])}
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</div>
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</div>
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}
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primaryAction={
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verificationClicked
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? null
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: {
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label: t('continue'),
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onClick: () => setVerificationClicked(true),
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}
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}
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type="warning"
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withRightButton
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infoTooltipText={
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blockExplorerTokenLink &&
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t('swapVerifyTokenExplanation', [blockExplorerLabel])
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}
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/>
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) : (
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<div className="build-quote__token-message">
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<span
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className="build-quote__bold"
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key="token-verification-bold-text"
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>
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{t('swapTokenVerificationSources', [occurances])}
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</span>
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{blockExplorerTokenLink && (
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<>
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{t('swapTokenVerificationMessage', [
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<a
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className="build-quote__token-etherscan-link"
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key="build-quote-etherscan-link"
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href={blockExplorerTokenLink}
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target="_blank"
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rel="noopener noreferrer"
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>
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{blockExplorerLabel}
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</a>,
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])}
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<InfoTooltip
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position="top"
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contentText={t('swapVerifyTokenExplanation', [
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blockExplorerLabel,
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])}
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containerClassName="build-quote__token-tooltip-container"
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key="token-verification-info-tooltip"
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/>
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</>
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)}
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</div>
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))}
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<div className="build-quote__slippage-buttons-container">
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<SlippageButtons
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onSelect={(newSlippage) => {
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setMaxSlippage(newSlippage);
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}}
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maxAllowedSlippage={MAX_ALLOWED_SLIPPAGE}
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currentSlippage={maxSlippage}
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/>
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</div>
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</div>
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<SwapsFooter
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onSubmit={() => {
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dispatch(
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fetchQuotesAndSetQuoteState(
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history,
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inputValue,
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maxSlippage,
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metaMetricsEvent,
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),
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);
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}}
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submitText={t('swapReviewSwap')}
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disabled={
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!isFeatureFlagLoaded ||
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!Number(inputValue) ||
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!selectedToToken?.address ||
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Number(maxSlippage) === 0 ||
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Number(maxSlippage) > MAX_ALLOWED_SLIPPAGE ||
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(toTokenIsNotDefault && occurances < 2 && !verificationClicked)
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}
|
|
hideCancel
|
|
showTermsOfService
|
|
/>
|
|
</div>
|
|
);
|
|
}
|
|
|
|
BuildQuote.propTypes = {
|
|
maxSlippage: PropTypes.number,
|
|
inputValue: PropTypes.string,
|
|
onInputChange: PropTypes.func,
|
|
ethBalance: PropTypes.string,
|
|
setMaxSlippage: PropTypes.func,
|
|
selectedAccountAddress: PropTypes.string,
|
|
isFeatureFlagLoaded: PropTypes.bool.isRequired,
|
|
};
|