92 lines
2.8 KiB
JavaScript
92 lines
2.8 KiB
JavaScript
const fs = require('fs-extra');
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const path = require('path');
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const constants = require('../../constants');
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const Utils = require('../../utils/utils');
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const ProcessWrapper = require('../../core/processes/processWrapper');
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const PluginManager = require('live-plugin-manager-git-fix').PluginManager;
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const NpmTimer = require('../library_manager/npmTimer');
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class SolcProcess extends ProcessWrapper {
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constructor(options){
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super({pingParent: false});
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this._logger = options.logger;
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this._showSpinner = options.showSpinner === true;
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}
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findImports(filename) {
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if (filename.startsWith('http') || filename.startsWith('git')) {
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const fileObj = Utils.getExternalContractUrl(filename);
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filename = fileObj.filePath;
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}
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if (fs.existsSync(filename)) {
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return {contents: fs.readFileSync(filename).toString()};
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}
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if (fs.existsSync(path.join('./node_modules/', filename))) {
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return {contents: fs.readFileSync(path.join('./node_modules/', filename)).toString()};
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}
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if (fs.existsSync(path.join(constants.httpContractsDirectory, filename))) {
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return {contents: fs.readFileSync(path.join(constants.httpContractsDirectory, filename)).toString()};
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}
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return {error: 'File not found'};
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}
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installAndLoadCompiler(solcVersion, packagePath){
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let self = this;
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return new Promise((resolve, reject) => {
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let manager = new PluginManager({pluginsPath: packagePath});
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let timer;
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if (!fs.existsSync(packagePath)) {
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timer = new NpmTimer({logger: self._logger, packageName: 'solc', version: solcVersion, showSpinner: self._showSpinner});
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}
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if(timer) timer.start();
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manager.install('solc', solcVersion).then(() => {
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self.solc = manager.require('solc');
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if(timer) timer.end();
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resolve();
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}).catch(reject);
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});
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}
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compile(jsonObj, cb) {
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// TODO: only available in 0.4.11; need to make versions warn about this
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try {
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let output = this.solc.compileStandardWrapper(JSON.stringify(jsonObj), this.findImports);
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cb(null, output);
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} catch (err) {
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cb(err.message);
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}
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}
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}
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let solcProcess;
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process.on('message', (msg) => {
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if (msg.action === "init") {
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solcProcess = new SolcProcess(msg.options);
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return process.send({result: "initiated"});
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}
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else if (msg.action === 'loadCompiler') {
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solcProcess.solc = require('solc');
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return process.send({result: "loadedCompiler"});
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}
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else if (msg.action === 'installAndLoadCompiler') {
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solcProcess.installAndLoadCompiler(msg.solcVersion, msg.packagePath).then(() => {
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return process.send({result: "loadedCompiler"});
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});
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}
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else if (msg.action === 'compile') {
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solcProcess.compile(msg.jsonObj, (err, output) => {
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process.send({result: "compilation-" + msg.id, err: err, output: output});
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});
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}
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});
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