import * as fs from "fs" import * as path from "path" const axios = require('axios') const Web3 = require('web3') const web3 = new Web3('ws://localhost:8546'); import { CoinTypeUtils, CoinType } from "@trustwallet/types"; const sizeOf = require("image-size"); export const getChainName = (id: CoinType): string => CoinTypeUtils.id(id) export const Binance = getChainName(CoinType.binance) export const Classic = getChainName(CoinType.classic) export const Cosmos = getChainName(CoinType.cosmos) export const Ethereum = getChainName(CoinType.ethereum) export const GoChain = getChainName(CoinType.gochain) export const IoTeX = getChainName(CoinType.iotex) export const POA = getChainName(CoinType.poa) export const Tezos = getChainName(CoinType.tezos) export const ThunderCore = getChainName(CoinType.thundertoken) export const Terra = getChainName(CoinType.terra) export const TomoChain = getChainName(CoinType.tomochain) export const Tron = getChainName(CoinType.tron) export const Wanchain = getChainName(CoinType.wanchain) export const Waves = getChainName(CoinType.waves) const whiteList = 'whitelist.json' const blackList = 'blacklist.json' export const logo = `logo.png` export const root = './' export const chainsFolderPath = './blockchains' export const pricingFolderPath = './pricing' export const getChainLogoPath = chain => `${chainsFolderPath}/${chain}/info/${logo}` export const getChainAssetsPath = (chain: string): string => `${chainsFolderPath}/${chain}/assets` export const minLogoWidth = 64 export const minLogoHeight = 64 export const maxLogoWidth = 512 export const maxLogoHeight = 512 export const getChainAssetLogoPath = (chain, address) => `${getChainAssetsPath(chain)}/${address}/${logo}` export const getChainValidatorsPath = chain => `${chainsFolderPath}/${chain}/validators` export const getChainValidatorsAssets = chain => readDirSync(getChainValidatorsAssetsPath(chain)) export const getChainValidatorsListPath = chain => `${(getChainValidatorsPath(chain))}/list.json` export const getChainValidatorsAssetsPath = chain => `${getChainValidatorsPath(chain)}/assets` export const getChainValidatorAssetLogoPath = (chain, asset) => `${getChainValidatorsAssetsPath(chain)}/${asset}/${logo}` export const getChainWhitelistPath = chain => `${chainsFolderPath}/${chain}/${whiteList}` export const getChainBlacklistPath = chain => `${chainsFolderPath}/${chain}/${blackList}` export const readDirSync = path => fs.readdirSync(path) export const isPathExistsSync = path => fs.existsSync(path) export const isChainWhitelistExistSync = chain => isPathExistsSync(getChainWhitelistPath(chain)) export const isChainBlacklistExistSync = chain => isPathExistsSync(getChainBlacklistPath(chain)) export const readFileSync = path => fs.readFileSync(path, 'utf8') export const writeFileSync = (path, str) => fs.writeFileSync(path, str) export const isLowerCase = str => str.toLowerCase() === str export const isUpperCase = str => str.toUpperCase() === str export const isChecksum = address => web3.utils.checkAddressChecksum(address) export const toChecksum = address => web3.utils.toChecksumAddress(address) export const getBinanceBEP2Symbols = async () => axios.get(`https://dex-atlantic.binance.org/api/v1/tokens?limit=1000`).then(res => res.data.map(({symbol}) => symbol)) export const isTRC10 = id => (/^\d+$/.test(id)) export const isTRC20 = address => { return address.length == 34 && address.startsWith("T") && isLowerCase(address) == false && isUpperCase(address) == false } export const sortDesc = arr => arr.sort((a, b) => a - b) export const getUnique = arr => Array.from(new Set(arr)) export const mapList = arr => { return arr.reduce((acm, val) => { acm[val] = "" return acm }, {}) } export const getImageDimentions = (path: string) => sizeOf(path) export const isLogoOK = (path: string): [boolean, string] => { const { width, height } = getImageDimentions(path) if (((width >= minLogoWidth && width <= maxLogoWidth) && (height >= minLogoHeight && height <= maxLogoHeight))) { return [true, ''] } else { return [false, `Image at path ${path} must have dimensions: min:${minLogoWidth}x${minLogoHeight} and max:${maxLogoWidth}x${maxLogoHeight} insted ${width}x${height}`] } } export const calculateAspectRatioFit = (srcWidth: number, srcHeight: number, maxWidth: number, maxHeight: number) => { const ratio = Math.min(maxWidth / srcWidth, maxHeight / srcHeight) return { width: Math.round(srcWidth * ratio), height: Math.round(srcHeight * ratio) } } export const findFiles = (base: string, ext: string, files: string[] = [], result: string[] = []) => { files = fs.readdirSync(base) || files result = result || result files.forEach( function (file) { var newbase = path.join(base, file) if ( fs.statSync(newbase).isDirectory()) { result = findFiles(newbase, ext, fs.readdirSync(newbase), result) } else { if ( file.substr(-1*(ext.length+1)) == '.' + ext) { result.push(newbase) } } } ) return result } export const isValidJSON = (path: string) => { let rawdata = fs.readFileSync(path, 'utf8') try { JSON.parse(rawdata) return true } catch { return false } }