2016-12-15 19:06:05 +01:00
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// Copyright 2015, 2016 Parity Technologies (UK) Ltd.
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// This file is part of Parity.
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// Parity is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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// Parity is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License
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// along with Parity. If not, see <http://www.gnu.org/licenses/>.
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import solc from 'solc/browser-wrapper';
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2016-12-15 19:07:13 +01:00
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// import { isWebUri } from 'valid-url';
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2016-12-15 19:06:05 +01:00
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import registerPromiseWorker from 'promise-worker/register';
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const CACHE_NAME = 'parity-cache-v1';
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registerPromiseWorker((msg) => {
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return handleMessage(msg);
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});
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self.addEventListener('install', (event) => {
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2016-12-19 14:39:10 +01:00
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console.warn('installing sw');
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2016-12-15 19:06:05 +01:00
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event.waitUntil(self.skipWaiting());
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});
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self.addEventListener('activate', (event) => {
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2016-12-19 14:39:10 +01:00
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console.warn('activating sw');
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2016-12-15 19:06:05 +01:00
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event.waitUntil(self.clients.claim());
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});
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self.solcVersions = {};
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self.files = {};
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function handleMessage (message) {
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switch (message.action) {
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case 'compile':
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return compile(message.data);
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case 'load':
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return load(message.data);
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case 'setFiles':
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return setFiles(message.data);
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default:
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console.warn(`unknown action "${message.action}"`);
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return null;
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}
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}
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function setFiles (files) {
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const prevFiles = self.files;
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const nextFiles = files.reduce((obj, file) => {
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obj[file.name] = file.sourcecode;
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return obj;
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}, {});
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self.files = {
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...prevFiles,
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...nextFiles
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};
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return 'ok';
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}
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// @todo re-implement find imports (with ASYNC fetch)
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// function findImports (path) {
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// if (self.files[path]) {
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// if (self.files[path].error) {
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// return Promise.reject(self.files[path].error);
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// }
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// return Promise.resolve(self.files[path]);
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// }
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// if (isWebUri(path)) {
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// console.log('[sw] fetching', path);
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// return fetch(path)
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// .then((r) => r.text())
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// .then((c) => {
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// console.log('[sw]', 'got content at ' + path);
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// self.files[path] = c;
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// return c;
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// })
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// .catch((e) => {
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// console.error('[sw]', 'fetching', path, e);
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// self.files[path] = { error: e };
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// throw e;
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// });
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// }
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// console.log(`[sw] path ${path} not found...`);
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// return Promise.reject('File not found');
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// }
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function compile (data, optimized = 1) {
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const { sourcecode, build } = data;
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return fetchSolidity(build)
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.then((compiler) => {
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const start = Date.now();
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console.log('[sw] compiling...');
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const input = {
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'': sourcecode
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};
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const compiled = compiler.compile({ sources: input }, optimized);
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const time = Math.round((Date.now() - start) / 100) / 10;
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console.log(`[sw] done compiling in ${time}s`);
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compiled.version = build.longVersion;
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return compiled;
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});
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}
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function load (build) {
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return fetchSolidity(build)
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.then(() => 'ok');
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}
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function fetchSolc (build) {
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const { path, longVersion } = build;
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const URL = `https://raw.githubusercontent.com/ethereum/solc-bin/gh-pages/bin/${path}`;
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return caches
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.match(URL)
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.then((response) => {
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if (response) {
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return response;
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}
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console.log(`[sw] fetching solc-bin ${longVersion} at ${URL}`);
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return fetch(URL)
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.then((response) => {
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2016-12-19 14:39:10 +01:00
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if (!response || response.status !== 200) {
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2016-12-15 19:06:05 +01:00
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return response;
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}
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const responseToCache = response.clone();
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2016-12-19 14:39:10 +01:00
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return caches.open(CACHE_NAME)
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2016-12-15 19:06:05 +01:00
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.then((cache) => {
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2016-12-19 14:39:10 +01:00
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return cache.put(URL, responseToCache);
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})
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.then(() => {
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return response;
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2016-12-15 19:06:05 +01:00
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});
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});
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});
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}
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function fetchSolidity (build) {
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const { path, longVersion } = build;
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if (self.solcVersions[path]) {
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return Promise.resolve(self.solcVersions[path]);
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}
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return fetchSolc(build)
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.then((r) => r.text())
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.then((code) => {
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const solcCode = code.replace(/^var Module;/, 'var Module=self.__solcModule;');
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self.__solcModule = {};
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console.log(`[sw] evaluating ${longVersion}`);
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// eslint-disable-next-line no-eval
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eval(solcCode);
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console.log(`[sw] done evaluating ${longVersion}`);
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const compiler = solc(self.__solcModule);
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self.solcVersions[path] = compiler;
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return compiler;
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});
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}
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