276 lines
6.8 KiB
JavaScript
276 lines
6.8 KiB
JavaScript
let path = require('path');
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let globule = require('globule');
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let merge = require('merge');
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let http = require('follow-redirects').http;
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let https = require('follow-redirects').https;
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let shelljs = require('shelljs');
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var tar = require('tar');
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var propose = require('propose');
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var Web3 = require('web3');
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const constants = require('../constants');
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//let fs = require('../core/fs.js');
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let o_fs = require('fs-extra');
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function joinPath() {
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return path.join.apply(path.join, arguments);
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}
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function filesMatchingPattern(files) {
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return globule.find(files, {nonull: true});
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}
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function fileMatchesPattern(patterns, intendedPath) {
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return globule.isMatch(patterns, intendedPath);
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}
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function recursiveMerge(target, source) {
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return merge.recursive(target, source);
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}
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function checkIsAvailable(url, callback) {
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http.get(url, function (_res) {
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callback(true);
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}).on('error', function (_res) {
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callback(false);
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});
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}
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function httpGetRequest(httpObj, url, callback) {
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httpObj.get(url, function(res) {
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let body = '';
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res.on('data', function (d) {
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body += d;
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});
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res.on('end', function () {
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callback(null, body);
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});
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}).on('error', function (err) {
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callback(err);
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});
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}
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function httpGet(url, callback) {
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httpGetRequest(http, url, callback);
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}
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function httpsGet(url, callback) {
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httpGetRequest(https, url, callback);
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}
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function httpGetJson(url, callback) {
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httpGetRequest(http, url, function(err, body) {
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try {
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let parsed = JSON.parse(body);
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return callback(err, parsed);
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} catch(e) {
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return callback(e);
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}
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});
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}
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function httpsGetJson(url, callback) {
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httpGetRequest(https, url, function(err, body) {
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try {
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let parsed = JSON.parse(body);
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return callback(err, parsed);
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} catch(e) {
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return callback(e);
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}
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});
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}
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function runCmd(cmd, options) {
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let result = shelljs.exec(cmd, options || {silent: true});
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if (result.code !== 0) {
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console.log("error doing.. " + cmd);
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console.log(result.output);
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if (result.stderr !== undefined) {
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console.log(result.stderr);
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}
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exit();
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}
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}
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function cd(folder) {
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shelljs.cd(folder);
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}
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function sed(file, pattern, replace) {
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shelljs.sed('-i', pattern, replace, file);
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}
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function exit(code) {
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process.exit(code);
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}
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function downloadFile(url, dest, cb) {
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var file = o_fs.createWriteStream(dest);
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(url.substring(0,5) === 'https' ? https : http).get(url, function(response) {
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response.pipe(file);
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file.on('finish', function() {
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file.close(cb);
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});
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}).on('error', function(err) {
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o_fs.unlink(dest);
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if (cb) cb(err.message);
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});
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}
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function extractTar(filename, packageDirectory, cb) {
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o_fs.createReadStream(filename).pipe(
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tar.x({
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strip: 1,
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C: packageDirectory
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}).on('end', function() {
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cb();
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})
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);
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}
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function proposeAlternative(word, _dictionary, _exceptions) {
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let exceptions = _exceptions || [];
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let dictionary = _dictionary.filter((entry) => {
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return exceptions.indexOf(entry) < 0;
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});
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return propose(word, dictionary, {threshold: 0.3});
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}
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function pwd() {
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return process.env.PWD || process.cwd();
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}
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function getExternalContractUrl(file) {
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let url;
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const RAW_URL = 'https://raw.githubusercontent.com/';
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const MALFORMED_ERROR = 'Malformed Github URL for ';
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if (file.startsWith('https://github')) {
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const match = file.match(/https:\/\/github\.[a-z]+\/(.*)/);
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if (!match) {
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console.error(MALFORMED_ERROR + file);
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return null;
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}
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url = `${RAW_URL}${match[1].replace('blob/', '')}`;
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} else if (file.startsWith('git')) {
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// Match values
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// [0] entire input
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// [1] git://
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// [2] user
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// [3] repository
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// [4] path
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// [5] branch
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const match = file.match(
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/(git:\/\/)?github\.[a-z]+\/([-a-zA-Z0-9@:%_+.~#?&=]+)\/([-a-zA-Z0-9@:%_+.~#?&=]+)\/([-a-zA-Z0-9@:%_+.~?\/&=]+)#?([a-zA-Z0-9\/_.-]*)?/
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);
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if (!match) {
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console.error(MALFORMED_ERROR + file);
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return null;
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}
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let branch = match[5];
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if (!branch) {
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branch = 'master';
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}
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url = `${RAW_URL}${match[2]}/${match[3]}/${branch}/${match[4]}`;
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} else if (file.startsWith('http')) {
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url = file;
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} else {
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return null;
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}
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const match = url.match(
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/\.[a-z]+\/([-a-zA-Z0-9@:%_+.~#?&\/=]+)/
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);
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return {
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url,
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filePath: constants.httpContractsDirectory + match[1]
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};
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}
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function hexToNumber(hex){
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return Web3.utils.hexToNumber(hex);
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}
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function toChecksumAddress(address) {
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return Web3.utils.toChecksumAddress(address);
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}
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function sha3(arg) {
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return Web3.utils.sha3(arg);
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}
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function normalizeInput(input) {
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let args = Object.values(input);
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if (args.length === 0) {
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return "";
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}
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if (args.length === 1) {
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if (Array.isArray(args[0])) { return args[0].join(','); }
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return args[0] || "";
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}
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return ('[' + args.map((x) => {
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if (x === null) { return "null"; }
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if (x === undefined) { return "undefined"; }
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if (Array.isArray(x)) { return x.join(','); }
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return x;
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}).toString() + ']');
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}
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/**
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* Builds a URL
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*
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* @param {string} protocol
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* The URL protocol, defaults to http.
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* @param {string} host
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* The URL host, required.
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* @param {string} port
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* The URL port, default to empty string.
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* @returns {string} the constructued URL, with defaults
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*/
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function buildUrl (protocol, host, port){
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if(!host) throw new Error('utils.buildUrl: parameter \'host\' is required');
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if(port) port = ':' + port;
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else port = '';
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return `${protocol || 'http'}://${host}${port}`;
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}
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/**
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* Builds a URL
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*
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* @param {object} configObj Object containing protocol, host, and port to be used to construct the url.
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* * protocol {String} (optional) The URL protocol, defaults to http.
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* * host {String} (required) The URL host.
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* * port {String} (optional) The URL port, default to empty string.
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* @returns {string} the constructued URL, with defaults
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*/
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function buildUrlFromConfig (configObj){
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if(!configObj) throw new Error('[utils.buildUrlFromConfig]: config object must cannot be null');
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if(!configObj.host) throw new Error('[utils.buildUrlFromConfig]: object must contain a \'host\' property');
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return this.buildUrl(configObj.protocol, configObj.host, configObj.port);
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}
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module.exports = {
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joinPath: joinPath,
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filesMatchingPattern: filesMatchingPattern,
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fileMatchesPattern: fileMatchesPattern,
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recursiveMerge: recursiveMerge,
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checkIsAvailable: checkIsAvailable,
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httpGet: httpGet,
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httpsGet: httpsGet,
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httpGetJson: httpGetJson,
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httpsGetJson: httpsGetJson,
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hexToNumber: hexToNumber,
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runCmd: runCmd,
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cd: cd,
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sed: sed,
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exit: exit,
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downloadFile: downloadFile,
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extractTar: extractTar,
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proposeAlternative: proposeAlternative,
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pwd: pwd,
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getExternalContractUrl,
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toChecksumAddress: toChecksumAddress,
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sha3: sha3,
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normalizeInput,
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buildUrl,
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buildUrlFromConfig
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};
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