embark-area-51/lib/modules/solidity/index.js

101 lines
3.3 KiB
JavaScript

let async = require('../../utils/async_extend.js');
let SolcW = require('./solcW.js');
class Solidity {
constructor(embark, options) {
this.logger = embark.logger;
this.solcVersion = options.solcVersion;
this.contractDirectories = options.contractDirectories;
embark.registerCompiler(".sol", this.compile_solidity.bind(this));
}
compile_solidity(contractFiles, cb) {
let self = this;
let input = {};
let solcW;
async.waterfall([
function prepareInput(callback) {
async.each(contractFiles,
function(file, fileCb) {
let filename = file.filename;
for (let directory of self.contractDirectories) {
filename = filename.replace(directory, '');
}
file.content(function(fileContent) {
input[filename] = fileContent;
fileCb();
});
},
function (err) {
callback(err);
}
);
},
function loadCompiler(callback) {
// TODO: there ino need to load this twice
solcW = new SolcW({logger: self.logger, solcVersion: self.solcVersion});
if (solcW.isCompilerLoaded()) {
return callback();
}
self.logger.info("loading solc compiler..");
solcW.load_compiler(function (err) {
callback(err);
});
},
function compileContracts(callback) {
self.logger.info("compiling contracts...");
solcW.compile({sources: input}, 1, function (output) {
if (output.errors) {
for (let i=0; i<output.errors; i++) {
if (output.errors[i].indexOf('Warning:') >= 0) {
return callback(new Error("Solidity errors: " + output.errors).message);
}
}
self.logger.warn(output.errors.join('\n'));
}
callback(null, output);
});
},
function createCompiledObject(output, callback) {
let json = output.contracts;
let compiled_object = {};
for (let contractName in json) {
let contract = json[contractName];
// Pull out filename:classname
// [0] filename:classname
// [1] filename
// [2] classname
const regex = /(.*):(.*)/;
const className = contractName.match(regex)[2];
const filename = contractName.match(regex)[1];
compiled_object[className] = {};
compiled_object[className].code = contract.bytecode;
compiled_object[className].runtimeBytecode = contract.runtimeBytecode;
compiled_object[className].realRuntimeBytecode = contract.runtimeBytecode.slice(0, -68);
compiled_object[className].swarmHash = contract.runtimeBytecode.slice(-68).slice(0, 64);
compiled_object[className].gasEstimates = contract.gasEstimates;
compiled_object[className].functionHashes = contract.functionHashes;
compiled_object[className].abiDefinition = JSON.parse(contract.interface);
compiled_object[className].filename = filename;
}
callback(null, compiled_object);
}
], function (err, result) {
cb(err, result);
});
}
}
module.exports = Solidity;