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517 lines
14 KiB
517 lines
14 KiB
import punycode from 'punycode/punycode';
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import abi from 'human-standard-token-abi';
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import BigNumber from 'bignumber.js';
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import * as ethUtil from 'ethereumjs-util';
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import { DateTime } from 'luxon';
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import { getFormattedIpfsUrl } from '@metamask/assets-controllers';
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import slip44 from '@metamask/slip44';
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import { CHAIN_IDS } from '../../../shared/constants/network';
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import {
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toChecksumHexAddress,
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stripHexPrefix,
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} from '../../../shared/modules/hexstring-utils';
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import {
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TRUNCATED_ADDRESS_START_CHARS,
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TRUNCATED_NAME_CHAR_LIMIT,
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TRUNCATED_ADDRESS_END_CHARS,
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} from '../../../shared/constants/labels';
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import { toBigNumber } from '../../../shared/modules/conversion.utils';
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// formatData :: ( date: <Unix Timestamp> ) -> String
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export function formatDate(date, format = "M/d/y 'at' T") {
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if (!date) {
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return '';
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}
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return DateTime.fromMillis(date).toFormat(format);
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}
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export function formatDateWithYearContext(
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date,
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formatThisYear = 'MMM d',
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fallback = 'MMM d, y',
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) {
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if (!date) {
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return '';
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}
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const dateTime = DateTime.fromMillis(date);
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const now = DateTime.local();
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return dateTime.toFormat(
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now.year === dateTime.year ? formatThisYear : fallback,
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);
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}
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/**
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* Determines if the provided chainId is a default MetaMask chain
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*
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* @param {string} chainId - chainId to check
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*/
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export function isDefaultMetaMaskChain(chainId) {
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if (
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!chainId ||
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chainId === CHAIN_IDS.MAINNET ||
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chainId === CHAIN_IDS.GOERLI ||
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chainId === CHAIN_IDS.SEPOLIA ||
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chainId === CHAIN_IDS.LOCALHOST
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) {
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return true;
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}
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return false;
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}
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export function valuesFor(obj) {
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if (!obj) {
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return [];
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}
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return Object.keys(obj).map(function (key) {
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return obj[key];
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});
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}
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export function addressSummary(
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address,
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firstSegLength = 10,
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lastSegLength = 4,
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includeHex = true,
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) {
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if (!address) {
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return '';
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}
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let checked = toChecksumHexAddress(address);
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if (!includeHex) {
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checked = stripHexPrefix(checked);
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}
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return checked
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? `${checked.slice(0, firstSegLength)}...${checked.slice(
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checked.length - lastSegLength,
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)}`
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: '...';
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}
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export function isValidDomainName(address) {
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const match = punycode
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.toASCII(address)
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.toLowerCase()
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// Checks that the domain consists of at least one valid domain pieces separated by periods, followed by a tld
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// Each piece of domain name has only the characters a-z, 0-9, and a hyphen (but not at the start or end of chunk)
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// A chunk has minimum length of 1, but minimum tld is set to 2 for now (no 1-character tlds exist yet)
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.match(
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/^(?:[a-z0-9](?:[-a-z0-9]*[a-z0-9])?\.)+[a-z0-9][-a-z0-9]*[a-z0-9]$/u,
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);
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return match !== null;
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}
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export function isOriginContractAddress(to, sendTokenAddress) {
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if (!to || !sendTokenAddress) {
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return false;
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}
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return to.toLowerCase() === sendTokenAddress.toLowerCase();
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}
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// Takes wei Hex, returns wei BN, even if input is null
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export function numericBalance(balance) {
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if (!balance) {
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return new ethUtil.BN(0, 16);
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}
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const stripped = stripHexPrefix(balance);
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return new ethUtil.BN(stripped, 16);
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}
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// Takes hex, returns [beforeDecimal, afterDecimal]
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export function parseBalance(balance) {
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let afterDecimal;
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const wei = numericBalance(balance);
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const weiString = wei.toString();
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const trailingZeros = /0+$/u;
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const beforeDecimal =
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weiString.length > 18 ? weiString.slice(0, weiString.length - 18) : '0';
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afterDecimal = `000000000000000000${wei}`
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.slice(-18)
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.replace(trailingZeros, '');
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if (afterDecimal === '') {
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afterDecimal = '0';
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}
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return [beforeDecimal, afterDecimal];
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}
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// Takes wei hex, returns an object with three properties.
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// Its "formatted" property is what we generally use to render values.
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export function formatBalance(
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balance,
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decimalsToKeep,
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needsParse = true,
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ticker = 'ETH',
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) {
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const parsed = needsParse ? parseBalance(balance) : balance.split('.');
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const beforeDecimal = parsed[0];
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let afterDecimal = parsed[1];
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let formatted = 'None';
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if (decimalsToKeep === undefined) {
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if (beforeDecimal === '0') {
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if (afterDecimal !== '0') {
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const sigFigs = afterDecimal.match(/^0*(.{2})/u); // default: grabs 2 most significant digits
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if (sigFigs) {
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afterDecimal = sigFigs[0];
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}
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formatted = `0.${afterDecimal} ${ticker}`;
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}
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} else {
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formatted = `${beforeDecimal}.${afterDecimal.slice(0, 3)} ${ticker}`;
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}
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} else {
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afterDecimal += Array(decimalsToKeep).join('0');
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formatted = `${beforeDecimal}.${afterDecimal.slice(
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0,
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decimalsToKeep,
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)} ${ticker}`;
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}
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return formatted;
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}
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export function getContractAtAddress(tokenAddress) {
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return global.eth.contract(abi).at(tokenAddress);
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}
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export function getRandomFileName() {
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let fileName = '';
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const charBank = [
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...'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789',
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];
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const fileNameLength = Math.floor(Math.random() * 7 + 6);
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for (let i = 0; i < fileNameLength; i++) {
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fileName += charBank[Math.floor(Math.random() * charBank.length)];
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}
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return fileName;
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}
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/**
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* Shortens an Ethereum address for display, preserving the beginning and end.
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* Returns the given address if it is no longer than 10 characters.
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* Shortened addresses are 13 characters long.
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*
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* Example output: 0xabcd...1234
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*
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* @param {string} address - The address to shorten.
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* @returns {string} The shortened address, or the original if it was no longer
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* than 10 characters.
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*/
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export function shortenAddress(address = '') {
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if (address.length < TRUNCATED_NAME_CHAR_LIMIT) {
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return address;
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}
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return `${address.slice(0, TRUNCATED_ADDRESS_START_CHARS)}...${address.slice(
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-TRUNCATED_ADDRESS_END_CHARS,
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)}`;
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}
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export function getAccountByAddress(accounts = [], targetAddress) {
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return accounts.find(({ address }) => address === targetAddress);
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}
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/**
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* Strips the following schemes from URL strings:
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* - http
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* - https
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*
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* @param {string} urlString - The URL string to strip the scheme from.
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* @returns {string} The URL string, without the scheme, if it was stripped.
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*/
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export function stripHttpSchemes(urlString) {
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return urlString.replace(/^https?:\/\//u, '');
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}
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/**
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* Strips the following schemes from URL strings:
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* - https
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*
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* @param {string} urlString - The URL string to strip the scheme from.
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* @returns {string} The URL string, without the scheme, if it was stripped.
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*/
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export function stripHttpsScheme(urlString) {
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return urlString.replace(/^https:\/\//u, '');
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}
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/**
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* Strips `https` schemes from URL strings, if the URL does not have a port.
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* This is useful
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*
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* @param {string} urlString - The URL string to strip the scheme from.
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* @returns {string} The URL string, without the scheme, if it was stripped.
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*/
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export function stripHttpsSchemeWithoutPort(urlString) {
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if (getURL(urlString).port) {
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return urlString;
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}
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return stripHttpsScheme(urlString);
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}
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/**
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* Checks whether a URL-like value (object or string) is an extension URL.
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*
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* @param {string | URL | object} urlLike - The URL-like value to test.
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* @returns {boolean} Whether the URL-like value is an extension URL.
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*/
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export function isExtensionUrl(urlLike) {
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const EXT_PROTOCOLS = ['chrome-extension:', 'moz-extension:'];
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if (typeof urlLike === 'string') {
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for (const protocol of EXT_PROTOCOLS) {
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if (urlLike.startsWith(protocol)) {
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return true;
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}
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}
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}
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if (urlLike?.protocol) {
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return EXT_PROTOCOLS.includes(urlLike.protocol);
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}
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return false;
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}
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/**
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* Checks whether an address is in a passed list of objects with address properties. The check is performed on the
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* lowercased version of the addresses.
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*
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* @param {string} address - The hex address to check
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* @param {Array} list - The array of objects to check
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* @returns {boolean} Whether or not the address is in the list
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*/
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export function checkExistingAddresses(address, list = []) {
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if (!address) {
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return false;
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}
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const matchesAddress = (obj) => {
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return obj.address.toLowerCase() === address.toLowerCase();
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};
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return list.some(matchesAddress);
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}
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export function bnGreaterThan(a, b) {
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if (a === null || a === undefined || b === null || b === undefined) {
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return null;
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}
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return new BigNumber(a, 10).gt(b, 10);
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}
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export function bnLessThan(a, b) {
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if (a === null || a === undefined || b === null || b === undefined) {
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return null;
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}
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return new BigNumber(a, 10).lt(b, 10);
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}
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export function bnGreaterThanEqualTo(a, b) {
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if (a === null || a === undefined || b === null || b === undefined) {
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return null;
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}
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return new BigNumber(a, 10).gte(b, 10);
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}
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export function bnLessThanEqualTo(a, b) {
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if (a === null || a === undefined || b === null || b === undefined) {
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return null;
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}
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return new BigNumber(a, 10).lte(b, 10);
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}
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export function getURL(url) {
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try {
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return new URL(url);
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} catch (err) {
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return '';
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}
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}
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export function getURLHost(url) {
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return getURL(url)?.host || '';
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}
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export function getURLHostName(url) {
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return getURL(url)?.hostname || '';
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}
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// Once we reach this threshold, we switch to higher unit
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const MINUTE_CUTOFF = 90 * 60;
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const SECOND_CUTOFF = 90;
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export const toHumanReadableTime = (t, milliseconds) => {
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if (milliseconds === undefined || milliseconds === null) {
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return '';
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}
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const seconds = Math.ceil(milliseconds / 1000);
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if (seconds <= SECOND_CUTOFF) {
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return t('gasTimingSecondsShort', [seconds]);
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}
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if (seconds <= MINUTE_CUTOFF) {
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return t('gasTimingMinutesShort', [Math.ceil(seconds / 60)]);
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}
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return t('gasTimingHoursShort', [Math.ceil(seconds / 3600)]);
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};
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export function clearClipboard() {
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window.navigator.clipboard.writeText('');
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}
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const solidityTypes = () => {
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const types = [
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'bool',
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'address',
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'string',
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'bytes',
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'int',
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'uint',
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'fixed',
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'ufixed',
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];
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const ints = Array.from(new Array(32)).map(
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(_, index) => `int${(index + 1) * 8}`,
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);
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const uints = Array.from(new Array(32)).map(
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(_, index) => `uint${(index + 1) * 8}`,
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);
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const bytes = Array.from(new Array(32)).map(
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(_, index) => `bytes${index + 1}`,
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);
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/**
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* fixed and ufixed
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* This value type also can be declared keywords such as ufixedMxN and fixedMxN.
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* The M represents the amount of bits that the type takes,
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* with N representing the number of decimal points that are available.
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* M has to be divisible by 8, and a number from 8 to 256.
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* N has to be a value between 0 and 80, also being inclusive.
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*/
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const fixedM = Array.from(new Array(32)).map(
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(_, index) => `fixed${(index + 1) * 8}`,
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);
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const ufixedM = Array.from(new Array(32)).map(
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(_, index) => `ufixed${(index + 1) * 8}`,
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);
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const fixed = Array.from(new Array(80)).map((_, index) =>
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fixedM.map((aFixedM) => `${aFixedM}x${index + 1}`),
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);
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const ufixed = Array.from(new Array(80)).map((_, index) =>
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ufixedM.map((auFixedM) => `${auFixedM}x${index + 1}`),
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);
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return [
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...types,
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...ints,
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...uints,
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...bytes,
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...fixed.flat(),
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...ufixed.flat(),
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];
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};
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const SOLIDITY_TYPES = solidityTypes();
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const stripArrayType = (potentialArrayType) =>
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potentialArrayType.replace(/\[[[0-9]*\]*/gu, '');
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const stripOneLayerofNesting = (potentialArrayType) =>
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potentialArrayType.replace(/\[[[0-9]*\]/u, '');
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const isArrayType = (potentialArrayType) =>
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potentialArrayType.match(/\[[[0-9]*\]*/u) !== null;
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const isSolidityType = (type) => SOLIDITY_TYPES.includes(type);
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export const sanitizeMessage = (msg, primaryType, types) => {
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if (!types) {
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throw new Error(`Invalid types definition`);
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}
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// Primary type can be an array.
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const isArray = primaryType && isArrayType(primaryType);
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if (isArray) {
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return msg.map((value) =>
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sanitizeMessage(value, stripOneLayerofNesting(primaryType), types),
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);
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} else if (isSolidityType(primaryType)) {
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return msg;
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}
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// If not, assume to be struct
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const baseType = isArray ? stripArrayType(primaryType) : primaryType;
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const baseTypeDefinitions = types[baseType];
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if (!baseTypeDefinitions) {
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throw new Error(`Invalid primary type definition`);
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}
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const sanitizedMessage = {};
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const msgKeys = Object.keys(msg);
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msgKeys.forEach((msgKey) => {
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const definedType = Object.values(baseTypeDefinitions).find(
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(baseTypeDefinition) => baseTypeDefinition.name === msgKey,
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);
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if (!definedType) {
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return;
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}
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sanitizedMessage[msgKey] = sanitizeMessage(
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msg[msgKey],
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definedType.type,
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types,
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);
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});
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return sanitizedMessage;
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};
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export function getAssetImageURL(image, ipfsGateway) {
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if (!image || !ipfsGateway || typeof image !== 'string') {
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return '';
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}
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if (image.startsWith('ipfs://')) {
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return getFormattedIpfsUrl(ipfsGateway, image, true);
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}
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return image;
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}
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export function roundToDecimalPlacesRemovingExtraZeroes(
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numberish,
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numberOfDecimalPlaces,
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) {
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if (numberish === undefined || numberish === null) {
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return '';
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}
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return toBigNumber
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.dec(toBigNumber.dec(numberish).toFixed(numberOfDecimalPlaces))
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.toNumber();
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}
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/**
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* Gets the name of the SLIP-44 protocol corresponding to the specified
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* `coin_type`.
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*
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* @param {string | number} coinType - The SLIP-44 `coin_type` value whose name
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* to retrieve.
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* @returns {string | undefined} The name of the protocol if found.
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*/
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export function coinTypeToProtocolName(coinType) {
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if (String(coinType) === '1') {
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return 'Test Networks';
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}
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return slip44[coinType]?.name || undefined;
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}
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/**
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* Tests "nullishness". Used to guard a section of a component from being
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* rendered based on a value.
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*
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* @param {any} value - A value (literally anything).
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* @returns `true` if the value is null or undefined, `false` otherwise.
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*/
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export function isNullish(value) {
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return value === null || value === undefined;
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}
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