Differential D9091 Diff 27460 web/cashtab-components/src/hoc/CashtabBase/CashtabBase.tsx

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web/cashtab-components/src/hoc/CashtabBase/CashtabBase.tsx

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				import * as React from 'react';

				import debounce from 'lodash/debounce';

				import {
				fiatToSatoshis,
				adjustAmount,
				getAddressUnconfirmed,
				getTokenInfo,
				} from '../../utils/cashtab-helpers';

				import Ticker from '../../atoms/Ticker';

				import type { CurrencyCode } from '../../utils/currency-helpers';

				declare global {
				interface Window {
				bitcoinAbc: any;
				}
				}

				interface sendParamsArr {
				to: string;
				protocol: ValidCoinTypes;
				value?: string;
				assetId?: string;
				opReturn?: string[];
				}

				const SECOND = 1000;

				const PRICE_UPDATE_INTERVAL = 60 * SECOND;
				const REPEAT_TIMEOUT = 4 * SECOND;
				const URI_CHECK_INTERVAL = 10 * SECOND;

				// Whitelist of valid coinType.
				type ValidCoinTypes = string;

				// TODO - Install is a Cashtab state, others are payment states. Separate them to be independent
				type ButtonStates = 'fresh' \| 'pending' \| 'complete' \| 'expired' \| 'install';

				type CashtabBaseProps = {
				to: string;
				stepControlled?: ButtonStates;

				// Both present to price in fiat equivalent
				currency: CurrencyCode;
				price?: number;

				// Both present to price in coinType absolute amount
				coinType: ValidCoinTypes;
				tokenId?: string;
				amount?: number;

				isRepeatable: boolean;
				repeatTimeout: number;
				watchAddress: boolean;

				opReturn?: string[];
				showQR: boolean; // Intent to show QR. Only show if amount is BCH or fiat as OP_RETURN and SLP do not work with QR

				successFn?: Function;
				failFn?: Function;
				};

				interface IState {
				step: ButtonStates;
				errors: string[];

				satoshis?: number; // Used when converting fiat to BCH

				coinSymbol?: string;
				coinName?: string;
				coinDecimals?: number;
				unconfirmedCount?: number;

				intervalPrice?: NodeJS.Timeout;
				intervalUnconfirmed?: NodeJS.Timeout;
				intervalTimer?: NodeJS.Timeout;
				}

				const CashtabBase = (Wrapped: React.ComponentType<any>) => {
				return class extends React.Component<CashtabBaseProps, IState> {
				static defaultProps = {
				currency: 'USD',
				coinType: Ticker.coinSymbol,

				isRepeatable: false,
				watchAddress: false,
				showQR: true,
				repeatTimeout: REPEAT_TIMEOUT,
				};

				state = {
				step: 'fresh' as ButtonStates,

				satoshis: undefined,
				coinSymbol: undefined,
				coinDecimals: undefined,
				coinName: undefined,

				unconfirmedCount: undefined,

				intervalPrice: undefined,
				intervalUnconfirmed: undefined,
				intervalTimer: undefined,
				errors: [],
				};

				addError = (error: string) => {
				const { errors } = this.state;
				this.setState({ errors: [...errors, error] });
				};

				startRepeatable = () => {
				const { repeatTimeout } = this.props;
				setTimeout(() => this.setState({ step: 'fresh' }), repeatTimeout);
				};

				paymentSendSuccess = () => {
				const { isRepeatable } = this.props;
				const { intervalUnconfirmed, unconfirmedCount } = this.state;

				let unconfirmedCountInt;

				if (typeof unconfirmedCount === 'undefined') {
				unconfirmedCountInt = 0;
				} else {
				unconfirmedCountInt = unconfirmedCount;
				}

				this.setState({
				step: 'complete',
				unconfirmedCount: unconfirmedCountInt
				? unconfirmedCountInt + 1
				: 1,
				});

				if (isRepeatable) {
				this.startRepeatable();
				} else {
				intervalUnconfirmed && clearInterval(intervalUnconfirmed);
				}
				};

				getCashTabProviderStatus = () => {
				console.log(window.bitcoinAbc);
				if (
				window &&
				window.bitcoinAbc &&
				window.bitcoinAbc === 'cashtab'
				) {
				return true;
				}
				return false;
				};

				handleClick = () => {
				const { amount, to, opReturn, coinType, tokenId } = this.props;

				const { satoshis } = this.state;

				// Satoshis might not set be set during server rendering
				if (!amount && !satoshis) {
				return;
				}

				const walletProviderStatus = this.getCashTabProviderStatus();

				if (typeof window === `undefined` \|\| !walletProviderStatus) {
				this.setState({ step: 'install' });

				if (typeof window !== 'undefined') {
				window.open(Ticker.installLink);
				}
				return;
				}

				if (walletProviderStatus) {
				this.setState({ step: 'fresh' });

				return window.postMessage(
				{
				type: 'FROM_PAGE',
				text: 'CashTab',
				txInfo: {
				address: to,
				value: satoshis ? satoshis! / 1e8 : amount,
				},
				},
				'*',
				);
				}

				const sendParams: sendParamsArr = {
				to,
				protocol: coinType,
				value: amount?.toString() \|\| adjustAmount(satoshis, 8, true),
				};
				if (coinType === Ticker.tokenTicker) {
				sendParams.assetId = tokenId;
				}

				if (opReturn && opReturn.length) {
				sendParams.opReturn = opReturn;
				}

				this.setState({ step: 'pending' });
				/* May match this functionality later, may handle differently as above for Cashtab
				console.info('Cashtab sendAssets begin', sendParams);
				sendAssets(sendParams)
				.then(({ txid }: any) => {
				console.info('Cashtab send success:', txid);
				successFn && successFn(txid);
				this.paymentSendSuccess();
				})
				.catch((err: any) => {
				console.info('Cashtab send cancel', err);
				failFn && failFn(err);
				this.setState({ step: 'fresh' });
				});
				*/
				};

				updateSatoshisFiat = debounce(
				async () => {
				const { price, currency } = this.props;

				if (!price) return;
				const satoshis = await fiatToSatoshis(currency, price);
				this.setState({ satoshis });
				},
				250,
				{ leading: true, trailing: true },
				);

				setupSatoshisFiat = () => {
				const { intervalPrice } = this.state;
				intervalPrice && clearInterval(intervalPrice);

				this.updateSatoshisFiat();
				const intervalPriceNext = setInterval(
				() => this.updateSatoshisFiat(),
				PRICE_UPDATE_INTERVAL,
				);

				this.setState({ intervalPrice: intervalPriceNext });
				};

				setupWatchAddress = async () => {
				const { to } = this.props;
				const { intervalUnconfirmed } = this.state;

				intervalUnconfirmed && clearInterval(intervalUnconfirmed);

				const initialUnconfirmed = await getAddressUnconfirmed(to);
				this.setState({ unconfirmedCount: initialUnconfirmed.length });

				// Watch UTXO interval
				const intervalUnconfirmedNext = setInterval(async () => {
				const prevUnconfirmedCount = this.state.unconfirmedCount;
				const targetTransactions = await getAddressUnconfirmed(to);
				const unconfirmedCount = targetTransactions.length;

				this.setState({ unconfirmedCount });
				if (
				prevUnconfirmedCount != null &&
				unconfirmedCount > prevUnconfirmedCount
				) {
				this.paymentSendSuccess();
				}
				}, URI_CHECK_INTERVAL);

				this.setState({ intervalUnconfirmed: intervalUnconfirmedNext });
				};

				setupCoinMeta = async () => {
				const { coinType, tokenId } = this.props;

				if (coinType === Ticker.coinSymbol) {
				this.setState({
				coinSymbol: Ticker.coinSymbol,
				coinDecimals: Ticker.coinDecimals,
				coinName: Ticker.coinName,
				});
				} else if (coinType === Ticker.tokenTicker && tokenId) {
				this.setState({
				coinSymbol: undefined,
				coinName: undefined,
				coinDecimals: undefined,
				});
				const tokenInfo = await getTokenInfo(tokenId);

				const { symbol, decimals, name } = tokenInfo;
				this.setState({
				coinSymbol: symbol,
				coinDecimals: decimals,
				coinName: name,
				});
				}
				};

				confirmCashTabProviderStatus = () => {
				console.log(`confirmCashTabProviderStatus called`);
				const cashTabStatus = this.getCashTabProviderStatus();
				if (cashTabStatus) {
				this.setState({ step: 'fresh' });
				}
				};

				async componentDidMount() {
				if (typeof window !== 'undefined') {
				const { price, watchAddress } = this.props;

				// setup state, intervals, and listeners
				watchAddress && this.setupWatchAddress();
				price && this.setupSatoshisFiat();
				this.setupCoinMeta(); // normal call for setupCoinMeta()

				// Occasionially the cashtab window object is not available on componentDidMount, check later
				// TODO make this less hacky
				setTimeout(this.confirmCashTabProviderStatus, 750);

				// Detect CashTab and determine if button should show install CTA
				const walletProviderStatus = this.getCashTabProviderStatus();
				if (walletProviderStatus) {
				this.setState({ step: 'fresh' });
				} else {
				this.setState({ step: 'install' });
				}
				}
				}

				componentWillUnmount() {
				const {
				intervalPrice,
				intervalUnconfirmed,
				intervalTimer,
				} = this.state;
				intervalPrice && clearInterval(intervalPrice);
				intervalUnconfirmed && clearInterval(intervalUnconfirmed);
				intervalTimer && clearInterval(intervalTimer);
				}

				componentDidUpdate(prevProps: CashtabBaseProps, prevState: IState) {
				if (typeof window !== 'undefined') {
				const {
				currency,
				price,
				isRepeatable,
				watchAddress,
				} = this.props;

				const prevCurrency = prevProps.currency;
				const prevPrice = prevProps.price;
				const prevIsRepeatable = prevProps.isRepeatable;
				const prevWatchAddress = prevProps.watchAddress;

				// Fiat price or currency changes
				if (currency !== prevCurrency \|\| price !== prevPrice) {
				this.setupSatoshisFiat();
				}

				if (isRepeatable && isRepeatable !== prevIsRepeatable) {
				this.startRepeatable();
				}

				if (watchAddress !== prevWatchAddress) {
				if (watchAddress) {
				this.setupWatchAddress();
				} else {
				const { intervalUnconfirmed } = this.state;
				intervalUnconfirmed &&
				clearInterval(intervalUnconfirmed);
				}
				}
				}
				}

				render() {
				const {
				amount,
				showQR,
				opReturn,
				coinType,
				stepControlled,
				} = this.props;
				const {
				step,
				satoshis,
				coinDecimals,
				coinSymbol,
				coinName,
				} = this.state;

				let calculatedAmount =
				adjustAmount(amount, coinDecimals, false) \|\| satoshis;

				// Only show QR if all requested features can be encoded in the BIP44 URI
				const shouldShowQR =
				showQR &&
				coinType === Ticker.coinSymbol &&
				(!opReturn \|\| !opReturn.length);

				return (
				<Wrapped
				{...this.props}
				coinType={coinType}
				showQR={shouldShowQR}
				handleClick={this.handleClick}
				step={stepControlled \|\| step}
				amount={calculatedAmount}
				coinDecimals={coinDecimals}
				coinSymbol={coinSymbol}
				coinName={coinName}
				/>
				);
				}
				};
				};

				export type { CashtabBaseProps, ButtonStates, ValidCoinTypes, IState };

				export default CashtabBase;