78 lines
2.3 KiB
JavaScript
78 lines
2.3 KiB
JavaScript
let async = require('../../utils/async_extend.js');
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const shelljs = require('shelljs');
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const path = require('path');
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class Vyper {
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constructor(embark, options) {
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this.logger = embark.logger;
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this.events = embark.events;
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this.contractDirectories = options.contractDirectories;
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embark.registerCompiler(".py", this.compile_vyper.bind(this));
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}
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static compileVyperContract(filename, compileABI, callback) {
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const params = compileABI ? '-f json ' : '';
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shelljs.exec(`vyper ${params}${filename}`, {silent: true}, (code, stdout, stderr) => {
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if (stderr) {
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return callback(stderr);
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}
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if (code !== 0) {
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return callback(__('Vyper exited with error code ') + code);
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}
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if (!stdout) {
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return callback(__('Execution returned no result'));
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}
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callback(null, stdout.replace(/\n/g, ''));
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});
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}
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compile_vyper(contractFiles, cb) {
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let self = this;
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if (!contractFiles || !contractFiles.length) {
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return cb();
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}
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self.logger.info(__("compiling Vyper contracts") + "...");
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const compiled_object = {};
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async.each(contractFiles,
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function (file, fileCb) {
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const className = path.basename(file.filename).split('.')[0];
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compiled_object[className] = {};
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async.parallel([
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function getByteCode(paraCb) {
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Vyper.compileVyperContract(file.filename, false, (err, byteCode) => {
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if (err) {
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return paraCb(err);
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}
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compiled_object[className].runtimeBytecode = byteCode;
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compiled_object[className].realRuntimeBytecode = byteCode;
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compiled_object[className].code = byteCode;
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paraCb();
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});
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},
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function getABI(paraCb) {
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Vyper.compileVyperContract(file.filename, true, (err, ABIString) => {
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if (err) {
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return paraCb(err);
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}
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let ABI = [];
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try {
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ABI = JSON.parse(ABIString);
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} catch (e) {
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return paraCb('ABI is not valid JSON');
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}
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compiled_object[className].abiDefinition = ABI;
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paraCb();
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});
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}
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], fileCb);
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},
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function (err) {
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cb(err, compiled_object);
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});
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}
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}
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module.exports = Vyper;
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