80 lines
2.3 KiB
JavaScript
80 lines
2.3 KiB
JavaScript
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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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export default class SolidityUtils {
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static compile (data, compiler) {
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const { sourcecode, build, optimized = 1 } = data;
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const start = Date.now();
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console.log('[solidity] 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(`[solidity] done compiling in ${time}s`);
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compiled.version = build.longVersion;
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compiled.sourcecode = sourcecode;
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return compiled;
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}
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static getCompiler (build, _fetcher) {
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const { longVersion, path } = build;
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const URL = `https://raw.githubusercontent.com/ethereum/solc-bin/gh-pages/bin/${path}`;
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const fetcher = typeof _fetcher === 'function'
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? _fetcher
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: (url) => fetch(url);
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const isWorker = typeof window !== 'object';
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return fetcher(URL)
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.then((r) => r.text())
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.then((code) => {
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// `window` for main thread, `self` for workers
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const _self = isWorker ? self : window;
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_self.Module = {};
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const solcCode = code.replace('var Module;', `var Module=${isWorker ? 'self' : 'window'}.Module;`);
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console.log(`[solidity] evaluating ${longVersion}`);
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try {
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// eslint-disable-next-line no-eval
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eval(solcCode);
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} catch (e) {
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return Promise.reject(e);
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}
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console.log(`[solidity] done evaluating ${longVersion}`);
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const compiler = solc(_self.Module);
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delete _self.Module;
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return compiler;
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});
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}
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}
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