/
index.js
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index.js
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const http = require('follow-redirects').http;
const https = require('follow-redirects').https;
const shelljs = require('shelljs');
const clipboardy = require('clipboardy');
const {canonicalHost, defaultCorsHost, defaultHost, dockerHostSwap, isDocker} = require('./host');
const {downloadFile, findNextPort, getJson, httpGet, httpsGet, httpGetJson, httpsGetJson, pingEndpoint} = require('./network');
const logUtils = require('./log-utils');
const toposortGraph = require('./toposort');
import { unitRegex } from './constants';
import * as AddressUtils from './addressUtils';
import {
getWeiBalanceFromString,
getHexBalanceFromString,
hexToNumber,
decodeParams,
sha3,
sha512,
isHex,
soliditySha3,
toChecksumAddress
} from './web3Utils';
import { getAddressToContract, getTransactionParams } from './transactionUtils';
import LongRunningProcessTimer from './longRunningProcessTimer';
import AccountParser from './accountParser';
import {
anchoredValue,
dappPath,
diagramPath,
embarkPath,
ipcPath,
joinPath,
pkgPath,
tmpDir,
urlJoin,
PWD,
DAPP_PATH,
DIAGRAM_PATH,
EMBARK_PATH,
PKG_PATH,
NODE_PATH,
normalizePath,
toForwardSlashes
} from './pathUtils';
import { setUpEnv } from './env';
const { extendZeroAddressShorthand, replaceZeroAddressShorthand } = AddressUtils;
import { compact, last, recursiveMerge, groupBy } from './collections';
import { prepareForCompilation } from './solidity/remapImports';
import { File, getExternalContractUrl, Types } from './file';
function timer(ms) {
const then = Date.now();
return new Promise(resolve => (
setTimeout(() => resolve(Date.now() - then), ms)
));
}
function checkIsAvailable(url, callback) {
const protocol = url.split(':')[0];
const httpObj = (protocol === 'https') ? https : http;
httpObj.get(url, function (_res) {
callback(true);
}).on('error', function (_res) {
callback(false);
});
}
function hashTo32ByteHexString(hash) {
if (isHex(hash)) {
if (!hash.startsWith('0x')) {
hash = '0x' + hash;
}
return hash;
}
const multihash = require('multihashes');
let buf = multihash.fromB58String(hash);
let digest = multihash.decode(buf).digest;
return '0x' + multihash.toHexString(digest);
}
function exit(code) {
process.exit(code);
}
function runCmd(cmd, options, callback) {
options = Object.assign({silent: true, exitOnError: true, async: true}, options || {});
const outputToConsole = !options.silent;
options.silent = true;
let result = shelljs.exec(cmd, options, function (code, stdout) {
if(code !== 0) {
if (options.exitOnError) {
return exit();
}
if(typeof callback === 'function') {
callback(`shell returned code ${code}`);
}
} else {
if(typeof callback === 'function') {
return callback(null, stdout);
}
}
});
result.stdout.on('data', function(data) {
if(outputToConsole) {
console.log(data);
}
});
result.stderr.on('data', function(data) {
if (outputToConsole) {
console.log(data);
}
});
}
function copyToClipboard(text) {
clipboardy.writeSync(text);
}
function byName(a, b) {
return a.name.localeCompare(b.name);
}
function isFolder(node) {
return node.children && node.children.length;
}
function isNotFolder(node){
return !isFolder(node);
}
function fileTreeSort(nodes){
const folders = nodes.filter(isFolder).sort(byName);
const files = nodes.filter(isNotFolder).sort(byName);
return folders.concat(files);
}
function proposeAlternative(word, _dictionary, _exceptions) {
const propose = require('propose');
let exceptions = _exceptions || [];
let dictionary = _dictionary.filter((entry) => {
return exceptions.indexOf(entry) < 0;
});
return propose(word, dictionary, {threshold: 0.3});
}
function toposort(graph) {
return toposortGraph(graph);
}
function deconstructUrl(endpoint) {
const matches = endpoint.match(/(wss?|https?):\/\/([a-zA-Z0-9_.-]*):?([0-9]*)?/);
return {
protocol: matches[1],
host: matches[2],
port: matches[3],
type: matches[1] === 'ws' || matches[1] === 'wss' ? 'ws' : 'rpc'
};
}
function prepareContractsConfig(config) {
if (config.deploy) {
config.contracts = config.deploy;
delete config.deploy;
}
Object.keys(config.contracts).forEach((contractName) => {
const gas = config.contracts[contractName].gas;
const gasPrice = config.contracts[contractName].gasPrice;
const address = config.contracts[contractName].address;
const args = config.contracts[contractName].args;
const onDeploy = config.contracts[contractName].onDeploy;
if (gas && gas.toString().match(unitRegex)) {
config.contracts[contractName].gas = getWeiBalanceFromString(gas);
}
if (gasPrice && gasPrice.toString().match(unitRegex)) {
config.contracts[contractName].gasPrice = getWeiBalanceFromString(gasPrice);
}
if (address && typeof address === 'string') {
config.contracts[contractName].address = extendZeroAddressShorthand(address);
}
if (args && args.length) {
config.contracts[contractName].args = args.map((val) => {
if (typeof val === "string") {
return extendZeroAddressShorthand(val);
}
return val;
});
}
if (Array.isArray(onDeploy)) {
config.contracts[contractName].onDeploy = onDeploy.map(replaceZeroAddressShorthand);
}
});
return config;
}
function jsonFunctionReplacer(_key, value) {
if (typeof value === 'function') {
return value.toString();
}
return value;
}
function fuzzySearch(text, list, filter) {
const fuzzy = require('fuzzy');
return fuzzy.filter(text, list, {extract: (filter || function () {})});
}
/**
* Builds a URL
*
* @param {string} protocol
* The URL protocol, defaults to http.
* @param {string} host
* The URL host, required.
* @param {string} port
* The URL port, default to empty string.
* @param {string} [type]
* Type of connection
* @returns {string} the constructued URL, with defaults
*/
function buildUrl(protocol, host, port, type) {
if (!host) throw new Error('utils.buildUrl: parameter \'host\' is required');
if (port) port = ':' + port;
else port = '';
if (!protocol) {
protocol = type === 'ws' ? 'ws' : 'http';
}
return `${protocol}://${host}${port}`;
}
/**
* Builds a URL
*
* @param {object} configObj Object containing protocol, host, and port to be used to construct the url.
* * protocol {String} (optional) The URL protocol, defaults to http.
* * host {String} (required) The URL host.
* * port {String} (optional) The URL port, default to empty string.
* @returns {string} the constructued URL, with defaults
*/
function buildUrlFromConfig(configObj) {
if (!configObj) throw new Error('[utils.buildUrlFromConfig]: config object must cannot be null');
if (!configObj.host) throw new Error('[utils.buildUrlFromConfig]: object must contain a \'host\' property');
return buildUrl(configObj.protocol, canonicalHost(configObj.host), configObj.port, configObj.type);
}
function errorMessage(e) {
if (typeof e === 'string') {
return e;
} else if (e && e.message) {
return e.message;
}
return e;
}
function isConstructor(obj) {
return !!obj.prototype && !!obj.prototype.constructor.name;
}
function isEs6Module(module) {
return (typeof module === 'function' && isConstructor(module)) || (typeof module === 'object' && typeof module.default === 'function' && module.__esModule);
}
const Utils = {
anchoredValue,
buildUrl,
buildUrlFromConfig,
joinPath,
tmpDir,
ipcPath,
dappPath,
downloadFile,
embarkPath,
normalizePath,
toForwardSlashes,
jsonFunctionReplacer,
fuzzySearch,
canonicalHost,
compact,
copyToClipboard,
diagramPath,
deconstructUrl,
defaultCorsHost,
defaultHost,
decodeParams,
dockerHostSwap,
exit,
errorMessage,
getAddressToContract,
getTransactionParams,
isDocker,
isEs6Module,
checkIsAvailable,
File,
findNextPort,
fileTreeSort,
hashTo32ByteHexString,
hexToNumber,
isHex,
last,
soliditySha3,
recursiveMerge,
prepareContractsConfig,
getWeiBalanceFromString,
getHexBalanceFromString,
getExternalContractUrl,
getJson,
groupBy,
httpGet,
httpsGet,
httpGetJson,
httpsGetJson,
pingEndpoint,
setUpEnv,
sha512,
sha3,
timer,
Types,
unitRegex,
urlJoin,
runCmd,
escapeHtml: logUtils.escapeHtml,
normalizeInput: logUtils.normalizeInput,
LogHandler: require('./logHandler'),
LongRunningProcessTimer,
pkgPath,
prepareForCompilation,
proposeAlternative,
toChecksumAddress,
toposort,
AddressUtils,
AccountParser,
PWD,
DAPP_PATH,
DIAGRAM_PATH,
EMBARK_PATH,
PKG_PATH,
NODE_PATH
};
module.exports = Utils;