diff --git a/.babelrc b/.babelrc new file mode 100644 index 000000000..4e053d362 --- /dev/null +++ b/.babelrc @@ -0,0 +1,8 @@ +{ + "presets": [ + "es2015", + "stage-1", + "react" + ], + "plugins": ["transform-decorators-legacy"] +} diff --git a/.gitmodules b/.gitmodules index 8f0c54d42..9d6124d13 100644 --- a/.gitmodules +++ b/.gitmodules @@ -5,6 +5,7 @@ [submodule "submodules/oracles-combine-solidity"] path = submodules/oracles-combine-solidity url = https://github.com/oraclesorg/oracles-combine-solidity + branch = master [submodule "submodules/oracles-web3-1.0"] path = submodules/oracles-web3-1.0 url = https://github.com/oraclesorg/web3.js diff --git a/build_scripts/build.js b/build_scripts/build.js new file mode 100644 index 000000000..2d825390c --- /dev/null +++ b/build_scripts/build.js @@ -0,0 +1,144 @@ +'use strict'; + +// Do this as the first thing so that any code reading it knows the right env. +process.env.BABEL_ENV = 'production'; +process.env.NODE_ENV = 'production'; + +// Makes the script crash on unhandled rejections instead of silently +// ignoring them. In the future, promise rejections that are not handled will +// terminate the Node.js process with a non-zero exit code. +process.on('unhandledRejection', err => { + throw err; +}); + +// Ensure environment variables are read. +require('../config/env'); + +const path = require('path'); +const chalk = require('chalk'); +const fs = require('fs-extra'); +const webpack = require('webpack'); +const config = require('../config/webpack.config.prod'); +const paths = require('../config/paths'); +const checkRequiredFiles = require('react-dev-utils/checkRequiredFiles'); +const formatWebpackMessages = require('react-dev-utils/formatWebpackMessages'); +const printHostingInstructions = require('react-dev-utils/printHostingInstructions'); +const FileSizeReporter = require('react-dev-utils/FileSizeReporter'); + +const measureFileSizesBeforeBuild = + FileSizeReporter.measureFileSizesBeforeBuild; +const printFileSizesAfterBuild = FileSizeReporter.printFileSizesAfterBuild; +const useYarn = fs.existsSync(paths.yarnLockFile); + +// These sizes are pretty large. We'll warn for bundles exceeding them. +const WARN_AFTER_BUNDLE_GZIP_SIZE = 512 * 1024; +const WARN_AFTER_CHUNK_GZIP_SIZE = 1024 * 1024; + +// Warn and crash if required files are missing +if (!checkRequiredFiles([paths.appHtml, paths.appIndexJs])) { + process.exit(1); +} + +// First, read the current file sizes in build directory. +// This lets us display how much they changed later. +measureFileSizesBeforeBuild(paths.appBuild) + .then(previousFileSizes => { + // Remove all content but keep the directory so that + // if you're in it, you don't end up in Trash + fs.emptyDirSync(paths.appBuild); + // Merge with the public folder + copyPublicFolder(); + // Start the webpack build + return build(previousFileSizes); + }) + .then( + ({ stats, previousFileSizes, warnings }) => { + if (warnings.length) { + console.log(chalk.yellow('Compiled with warnings.\n')); + console.log(warnings.join('\n\n')); + console.log( + '\nSearch for the ' + + chalk.underline(chalk.yellow('keywords')) + + ' to learn more about each warning.' + ); + console.log( + 'To ignore, add ' + + chalk.cyan('// eslint-disable-next-line') + + ' to the line before.\n' + ); + } else { + console.log(chalk.green('Compiled successfully.\n')); + } + + console.log('File sizes after gzip:\n'); + printFileSizesAfterBuild( + stats, + previousFileSizes, + paths.appBuild, + WARN_AFTER_BUNDLE_GZIP_SIZE, + WARN_AFTER_CHUNK_GZIP_SIZE + ); + console.log(); + + const appPackage = require(paths.appPackageJson); + const publicUrl = paths.publicUrl; + const publicPath = config.output.publicPath; + const buildFolder = path.relative(process.cwd(), paths.appBuild); + printHostingInstructions( + appPackage, + publicUrl, + publicPath, + buildFolder, + useYarn + ); + }, + err => { + console.log(chalk.red('Failed to compile.\n')); + console.log((err.message || err) + '\n'); + process.exit(1); + } + ); + +// Create the production build and print the deployment instructions. +function build(previousFileSizes) { + console.log('Creating an optimized production build...'); + + let compiler = webpack(config); + return new Promise((resolve, reject) => { + compiler.run((err, stats) => { + if (err) { + return reject(err); + } + const messages = formatWebpackMessages(stats.toJson({}, true)); + if (messages.errors.length) { + return reject(new Error(messages.errors.join('\n\n'))); + } + if ( + process.env.CI && + (typeof process.env.CI !== 'string' || + process.env.CI.toLowerCase() !== 'false') && + messages.warnings.length + ) { + console.log( + chalk.yellow( + '\nTreating warnings as errors because process.env.CI = true.\n' + + 'Most CI servers set it automatically.\n' + ) + ); + return reject(new Error(messages.warnings.join('\n\n'))); + } + return resolve({ + stats, + previousFileSizes, + warnings: messages.warnings, + }); + }); + }); +} + +function copyPublicFolder() { + fs.copySync(paths.appPublic, paths.appBuild, { + dereference: true, + filter: file => file !== paths.appHtml, + }); +} diff --git a/build_scripts/start.js b/build_scripts/start.js new file mode 100644 index 000000000..2686e7fd4 --- /dev/null +++ b/build_scripts/start.js @@ -0,0 +1,92 @@ +'use strict'; + +// Do this as the first thing so that any code reading it knows the right env. +process.env.BABEL_ENV = 'development'; +process.env.NODE_ENV = 'development'; + +// Makes the script crash on unhandled rejections instead of silently +// ignoring them. In the future, promise rejections that are not handled will +// terminate the Node.js process with a non-zero exit code. +process.on('unhandledRejection', err => { + throw err; +}); + +// Ensure environment variables are read. +require('../config/env'); + +const fs = require('fs'); +const chalk = require('chalk'); +const webpack = require('webpack'); +const WebpackDevServer = require('webpack-dev-server'); +const clearConsole = require('react-dev-utils/clearConsole'); +const checkRequiredFiles = require('react-dev-utils/checkRequiredFiles'); +const { + choosePort, + createCompiler, + prepareProxy, + prepareUrls, +} = require('react-dev-utils/WebpackDevServerUtils'); +const openBrowser = require('react-dev-utils/openBrowser'); +const paths = require('../config/paths'); +const config = require('../config/webpack.config.dev'); +const createDevServerConfig = require('../config/webpackDevServer.config'); + +const useYarn = fs.existsSync(paths.yarnLockFile); +const isInteractive = process.stdout.isTTY; + +// Warn and crash if required files are missing +if (!checkRequiredFiles([paths.appHtml, paths.appIndexJs])) { + process.exit(1); +} + +// Tools like Cloud9 rely on this. +const DEFAULT_PORT = parseInt(process.env.PORT, 10) || 3000; +const HOST = process.env.HOST || '0.0.0.0'; + +// We attempt to use the default port but if it is busy, we offer the user to +// run on a different port. `detect()` Promise resolves to the next free port. +choosePort(HOST, DEFAULT_PORT) + .then(port => { + if (port == null) { + // We have not found a port. + return; + } + const protocol = process.env.HTTPS === 'true' ? 'https' : 'http'; + const appName = require(paths.appPackageJson).name; + const urls = prepareUrls(protocol, HOST, port); + // Create a webpack compiler that is configured with custom messages. + const compiler = createCompiler(webpack, config, appName, urls, useYarn); + // Load proxy config + const proxySetting = require(paths.appPackageJson).proxy; + const proxyConfig = prepareProxy(proxySetting, paths.appPublic); + // Serve webpack assets generated by the compiler over a web sever. + const serverConfig = createDevServerConfig( + proxyConfig, + urls.lanUrlForConfig + ); + const devServer = new WebpackDevServer(compiler, serverConfig); + // Launch WebpackDevServer. + devServer.listen(port, HOST, err => { + if (err) { + return console.log(err); + } + if (isInteractive) { + clearConsole(); + } + console.log(chalk.cyan('Starting the development server...\n')); + openBrowser(urls.localUrlForBrowser); + }); + + ['SIGINT', 'SIGTERM'].forEach(function(sig) { + process.on(sig, function() { + devServer.close(); + process.exit(); + }); + }); + }) + .catch(err => { + if (err && err.message) { + console.log(err.message); + } + process.exit(1); + }); diff --git a/build_scripts/test.js b/build_scripts/test.js new file mode 100644 index 000000000..399bfd353 --- /dev/null +++ b/build_scripts/test.js @@ -0,0 +1,27 @@ +'use strict'; + +// Do this as the first thing so that any code reading it knows the right env. +process.env.BABEL_ENV = 'test'; +process.env.NODE_ENV = 'test'; +process.env.PUBLIC_URL = ''; + +// Makes the script crash on unhandled rejections instead of silently +// ignoring them. In the future, promise rejections that are not handled will +// terminate the Node.js process with a non-zero exit code. +process.on('unhandledRejection', err => { + throw err; +}); + +// Ensure environment variables are read. +require('../config/env'); + +const jest = require('jest'); +const argv = process.argv.slice(2); + +// Watch unless on CI or in coverage mode +if (!process.env.CI && argv.indexOf('--coverage') < 0) { + argv.push('--watch'); +} + + +jest.run(argv); diff --git a/config/env.js b/config/env.js new file mode 100644 index 000000000..8b39b6c63 --- /dev/null +++ b/config/env.js @@ -0,0 +1,90 @@ +'use strict'; + +const fs = require('fs'); +const path = require('path'); +const paths = require('./paths'); + +// Make sure that including paths.js after env.js will read .env variables. +delete require.cache[require.resolve('./paths')]; + +const NODE_ENV = process.env.NODE_ENV; +if (!NODE_ENV) { + throw new Error( + 'The NODE_ENV environment variable is required but was not specified.' + ); +} + +// https://github.com/bkeepers/dotenv#what-other-env-files-can-i-use +var dotenvFiles = [ + `${paths.dotenv}.${NODE_ENV}.local`, + `${paths.dotenv}.${NODE_ENV}`, + // Don't include `.env.local` for `test` environment + // since normally you expect tests to produce the same + // results for everyone + NODE_ENV !== 'test' && `${paths.dotenv}.local`, + paths.dotenv, +].filter(Boolean); + +// Load environment variables from .env* files. Suppress warnings using silent +// if this file is missing. dotenv will never modify any environment variables +// that have already been set. +// https://github.com/motdotla/dotenv +dotenvFiles.forEach(dotenvFile => { + if (fs.existsSync(dotenvFile)) { + require('dotenv').config({ + path: dotenvFile, + }); + } +}); + +// We support resolving modules according to `NODE_PATH`. +// This lets you use absolute paths in imports inside large monorepos: +// https://github.com/facebookincubator/create-react-app/issues/253. +// It works similar to `NODE_PATH` in Node itself: +// https://nodejs.org/api/modules.html#modules_loading_from_the_global_folders +// Note that unlike in Node, only *relative* paths from `NODE_PATH` are honored. +// Otherwise, we risk importing Node.js core modules into an app instead of Webpack shims. +// https://github.com/facebookincubator/create-react-app/issues/1023#issuecomment-265344421 +// We also resolve them to make sure all tools using them work consistently. +const appDirectory = fs.realpathSync(process.cwd()); +process.env.NODE_PATH = (process.env.NODE_PATH || '') + .split(path.delimiter) + .filter(folder => folder && !path.isAbsolute(folder)) + .map(folder => path.resolve(appDirectory, folder)) + .join(path.delimiter); + +// Grab NODE_ENV and REACT_APP_* environment variables and prepare them to be +// injected into the application via DefinePlugin in Webpack configuration. +const REACT_APP = /^REACT_APP_/i; + +function getClientEnvironment(publicUrl) { + const raw = Object.keys(process.env) + .filter(key => REACT_APP.test(key)) + .reduce( + (env, key) => { + env[key] = process.env[key]; + return env; + }, + { + // Useful for determining whether we’re running in production mode. + // Most importantly, it switches React into the correct mode. + NODE_ENV: process.env.NODE_ENV || 'development', + // Useful for resolving the correct path to static assets in `public`. + // For example, . + // This should only be used as an escape hatch. Normally you would put + // images into the `src` and `import` them in code to get their paths. + PUBLIC_URL: publicUrl, + } + ); + // Stringify all values so we can feed into Webpack DefinePlugin + const stringified = { + 'process.env': Object.keys(raw).reduce((env, key) => { + env[key] = JSON.stringify(raw[key]); + return env; + }, {}), + }; + + return { raw, stringified }; +} + +module.exports = getClientEnvironment; diff --git a/config/jest/cssTransform.js b/config/jest/cssTransform.js new file mode 100644 index 000000000..f1534f6fb --- /dev/null +++ b/config/jest/cssTransform.js @@ -0,0 +1,14 @@ +'use strict'; + +// This is a custom Jest transformer turning style imports into empty objects. +// http://facebook.github.io/jest/docs/tutorial-webpack.html + +module.exports = { + process() { + return 'module.exports = {};'; + }, + getCacheKey() { + // The output is always the same. + return 'cssTransform'; + }, +}; diff --git a/config/jest/fileTransform.js b/config/jest/fileTransform.js new file mode 100644 index 000000000..ffce0da29 --- /dev/null +++ b/config/jest/fileTransform.js @@ -0,0 +1,12 @@ +'use strict'; + +const path = require('path'); + +// This is a custom Jest transformer turning file imports into filenames. +// http://facebook.github.io/jest/docs/tutorial-webpack.html + +module.exports = { + process(src, filename) { + return `module.exports = ${JSON.stringify(path.basename(filename))};`; + }, +}; diff --git a/config/paths.js b/config/paths.js new file mode 100644 index 000000000..6d16efc99 --- /dev/null +++ b/config/paths.js @@ -0,0 +1,55 @@ +'use strict'; + +const path = require('path'); +const fs = require('fs'); +const url = require('url'); + +// Make sure any symlinks in the project folder are resolved: +// https://github.com/facebookincubator/create-react-app/issues/637 +const appDirectory = fs.realpathSync(process.cwd()); +const resolveApp = relativePath => path.resolve(appDirectory, relativePath); + +const envPublicUrl = process.env.PUBLIC_URL; + +function ensureSlash(path, needsSlash) { + const hasSlash = path.endsWith('/'); + if (hasSlash && !needsSlash) { + return path.substr(path, path.length - 1); + } else if (!hasSlash && needsSlash) { + return `${path}/`; + } else { + return path; + } +} + +const getPublicUrl = appPackageJson => + envPublicUrl || require(appPackageJson).homepage; + +// We use `PUBLIC_URL` environment variable or "homepage" field to infer +// "public path" at which the app is served. +// Webpack needs to know it to put the right