Differential D8907 Diff 26981 web/cashtab/src/components/Common/Ticker.js

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web/cashtab/src/components/Common/Ticker.js

	import mainLogo from '@assets/12-bitcoin-cash-square-crop.svg';			import mainLogo from '@assets/12-bitcoin-cash-square-crop.svg';
	import tokenLogo from '@assets/simple-ledger-protocol-logo.png';			import tokenLogo from '@assets/simple-ledger-protocol-logo.png';
				import cashaddr from 'cashaddrjs';
				import BigNumber from 'bignumber.js';

	export const currency = {			export const currency = {
	name: 'Bitcoin ABC',			name: 'Bitcoin ABC',
	ticker: 'BCHA',			ticker: 'BCHA',
	logo: mainLogo,			logo: mainLogo,
	prefix: 'bitcoincash:',			prefixes: ['bitcoincash:', 'ecash:'],
	coingeckoId: 'bitcoin-cash-abc-2',			coingeckoId: 'bitcoin-cash-abc-2',
	defaultFee: 5.01,			defaultFee: 5.01,
	blockExplorerUrl: 'https://explorer.bitcoinabc.org',			blockExplorerUrl: 'https://explorer.bitcoinabc.org',
	blockExplorerUrlTestnet: 'https://texplorer.bitcoinabc.org',			blockExplorerUrlTestnet: 'https://texplorer.bitcoinabc.org',
	tokenName: 'Bitcoin ABC SLP',			tokenName: 'Bitcoin ABC SLP',
	tokenTicker: 'SLPA',			tokenTicker: 'SLPA',
	tokenLogo: tokenLogo,			tokenLogo: tokenLogo,
	tokenPrefix: 'simpleledger:',			tokenPrefixes: ['simpleledger:', 'etoken:'],
	tokenIconsUrl: '', //https://tokens.bitcoin.com/32 for BCH SLP			tokenIconsUrl: '', //https://tokens.bitcoin.com/32 for BCH SLP
	useBlockchainWs: false,			useBlockchainWs: false,
	};			};

				export function isCash(addressString) {
				// Note that this function validates prefix only
				// Check for prefix included in currency.prefixes array
				// For now, validation is handled by converting to bitcoincash: prefix and checksum
				// and relying on legacy validation methods of bitcoincash: prefix addresses
				let validCashAddress = false;
				for (let i = 0; i < currency.prefixes.length; i += 1) {
				if (addressString.split(currency.prefixes[i]).length > 1) {
				validCashAddress = true;
				}
				}
				return validCashAddress;
				}

				export function isToken(addressString) {
				// Check for prefix included in currency.tokenPrefixes array
				// For now, validation is handled by converting to simpleledger: prefix and checksum
				// and relying on legacy validation methods of simpleledger: prefix addresses
				let validTokenAddress = false;
				for (let i = 0; i < currency.tokenPrefixes.length; i += 1) {
				if (addressString.split(currency.tokenPrefixes[i]).length > 1) {
				validTokenAddress = true;
				}
				}
				return validTokenAddress;
				}

				export function ecashToCashAddr(ecashPrefixedAddress) {
				// Convert an address with prefix and checksum for ecash:
				// To an address in legacy bitcoincash: format
				// Backend and validators currently support only legacy format

				const { prefix, type, hash } = cashaddr.decode(ecashPrefixedAddress);
				// If prefix is `ecash:`, change to `bitcoincash:`
				let newPrefix = prefix;
				if (prefix === 'ecash') {
				newPrefix = 'bitcoincash';
				}
				const reformattedAddr = cashaddr.encode(newPrefix, type, hash);

				return reformattedAddr;
				}

				export function parseAddress(BCH, addressString) {
				// Build return obj
				const addressInfo = {
				address: '',
				isValid: false,
				queryString: null,
				amount: null,
				};
				// Parse address string for parameters
				const paramCheck = addressString.split('?');

				let cleanAddress = paramCheck[0];
				addressInfo.address = cleanAddress;

				// Validate address
				let isValidAddress;
				try {
				isValidAddress = BCH.Address.isCashAddress(cleanAddress);
				} catch (err) {
				isValidAddress = false;
				}

				addressInfo.isValid = isValidAddress;

				// Check for parameters
				// only the amount param is currently supported
				let queryString = null;
				let amount = null;
				if (paramCheck.length > 1) {
				queryString = paramCheck[1];
				addressInfo.queryString = queryString;

				const addrParams = new URLSearchParams(queryString);

				if (addrParams.has('amount')) {
				// Amount in satoshis
				try {
				amount = new BigNumber(parseInt(addrParams.get('amount')))
				.div(1e8)
				.toString();
				} catch (err) {
				amount = null;
				}
				}
				}

				addressInfo.amount = amount;
				return addressInfo;
				}