embark/lib/modules/solidity/solcP.js

42 lines
1.3 KiB
JavaScript

let solc;
const fs = require('fs-extra');
const path = require('path');
const constants = require('../../constants');
const Utils = require('../../utils/utils');
function findImports(filename) {
if (filename.startsWith('http') || filename.startsWith('git')) {
const fileObj = Utils.getExternalContractUrl(filename);
filename = fileObj.filePath;
}
if (fs.existsSync(filename)) {
return {contents: fs.readFileSync(filename).toString()};
}
if (fs.existsSync(path.join('./node_modules/', filename))) {
return {contents: fs.readFileSync(path.join('./node_modules/', filename)).toString()};
}
if (fs.existsSync(path.join(constants.httpContractsDirectory, filename))) {
return {contents: fs.readFileSync(path.join('./.embark/contracts', filename)).toString()};
}
return {error: 'File not found'};
}
process.on('message', function (msg) {
if (msg.action === 'loadCompiler') {
solc = require(msg.solcLocation);
process.send({result: "loadedCompiler"});
}
if (msg.action === 'compile') {
// TODO: only available in 0.4.11; need to make versions warn about this
let output = solc.compileStandardWrapper(JSON.stringify(msg.jsonObj), findImports);
process.send({result: "compilation", output: output});
}
});
process.on('exit', function () {
process.exit(0);
});