57 lines
1.4 KiB
JavaScript
57 lines
1.4 KiB
JavaScript
let utils = require('../utils/utils.js');
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let solcProcess;
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let compilerLoaded = false;
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var Npm = require('../pipeline/npm.js');
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let path = require('path');
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let currentSolcVersion = require('../../package.json').dependencies.solc;
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class SolcW {
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constructor(options) {
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this.solcVersion = options.solcVersion;
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this.logger = options.logger;
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}
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load_compiler(done) {
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if (compilerLoaded) {
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done();
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}
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solcProcess = require('child_process').fork(utils.joinPath(__dirname, '/solcP.js'));
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solcProcess.once('message', function (msg) {
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if (msg.result !== 'loadedCompiler') {
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return;
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}
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compilerLoaded = true;
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done();
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});
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if (this.solcVersion === currentSolcVersion) {
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solcProcess.send({action: 'loadCompiler', solcLocation: 'solc'});
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} else {
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let npm = new Npm({logger: this.logger});
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npm.getPackageVersion('solc', this.solcVersion, false, function(location) {
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let requirePath = path.join(process.env.PWD, location);
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solcProcess.send({action: 'loadCompiler', solcLocation: requirePath});
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});
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}
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}
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isCompilerLoaded() {
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return (compilerLoaded === true);
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}
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compile(obj, optimize, done) {
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solcProcess.once('message', function (msg) {
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if (msg.result !== 'compilation') {
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return;
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}
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done(msg.output);
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});
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solcProcess.send({action: 'compile', obj: obj, optimize: optimize});
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}
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}
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module.exports = SolcW;
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