mirror of https://github.com/embarklabs/embark.git
117 lines
3.4 KiB
JavaScript
117 lines
3.4 KiB
JavaScript
/*jshint esversion: 6, loopfunc: true */
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var async = require('async');
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var SolcW = require('./solcW.js');
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function asyncEachObject(object, iterator, callback) {
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async.each(
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Object.keys(object || {}),
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function(key, next){
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iterator(key, object[key], next);
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},
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callback
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);
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}
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async.eachObject = asyncEachObject;
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var Compiler = function(options) {
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this.plugins = options.plugins;
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this.logger = options.logger;
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};
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Compiler.prototype.compile_contracts = function(contractFiles, cb) {
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var self = this;
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var available_compilers = {
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//".se": this.compile_serpent
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".sol": this.compile_solidity.bind(this)
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};
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if (this.plugins) {
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var compilerPlugins = this.plugins.getPluginsFor('compilers');
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if (compilerPlugins.length > 0) {
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compilerPlugins.forEach(function(plugin) {
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plugin.compilers.forEach(function(compilerObject) {
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available_compilers[compilerObject.extension] = compilerObject.cb;
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});
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});
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}
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}
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var compiledObject = {};
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async.eachObject(available_compilers,
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function(extension, compiler, callback) {
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// TODO: warn about files it doesn't know how to compile
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var matchingFiles = contractFiles.filter(function(file) {
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return (file.filename.match(/\.[0-9a-z]+$/)[0] === extension);
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});
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compiler.call(compiler, matchingFiles || [], function(err, compileResult) {
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Object.assign(compiledObject, compileResult);
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callback(err, compileResult);
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});
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},
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function (err) {
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cb(err, compiledObject);
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}
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);
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};
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Compiler.prototype.compile_solidity = function(contractFiles, cb) {
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var self = this;
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var input = {};
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var solcW;
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async.waterfall([
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function prepareInput(callback) {
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for (var i = 0; i < contractFiles.length; i++){
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// TODO: this depends on the config
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var filename = contractFiles[i].filename.replace('app/contracts/','');
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input[filename] = contractFiles[i].content.toString();
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}
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callback();
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},
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function loadCompiler(callback) {
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// TODO: there ino need to load this twice
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solcW = new SolcW();
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if (solcW.isCompilerLoaded()) {
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callback();
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} else {
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self.logger.info("loading solc compiler..");
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solcW.load_compiler(function(){
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callback();
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});
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}
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},
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function compileContracts(callback) {
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self.logger.info("compiling contracts...");
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solcW.compile({sources: input}, 1, function(output) {
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if (output.errors) {
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return callback(new Error ("Solidity errors: " + output.errors).message);
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}
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callback(null, output);
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});
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},
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function createCompiledObject(output, callback) {
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var json = output.contracts;
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compiled_object = {};
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for (var className in json) {
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var contract = json[className];
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compiled_object[className] = {};
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compiled_object[className].code = contract.bytecode;
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compiled_object[className].runtimeBytecode = contract.runtimeBytecode;
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compiled_object[className].gasEstimates = contract.gasEstimates;
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compiled_object[className].functionHashes = contract.functionHashes;
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compiled_object[className].abiDefinition = JSON.parse(contract.interface);
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}
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callback(null, compiled_object);
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}
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], function(err, result) {
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cb(err, result);
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});
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};
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module.exports = Compiler;
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