mirror of https://github.com/embarklabs/embark.git
125 lines
4.3 KiB
JavaScript
125 lines
4.3 KiB
JavaScript
let async = require('../../utils/async_extend.js');
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let SolcW = require('./solcW.js');
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class Solidity {
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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(".sol", this.compile_solidity.bind(this));
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}
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compile_solidity(contractFiles, cb) {
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let self = this;
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let input = {};
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let solcW;
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async.waterfall([
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function prepareInput(callback) {
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async.each(contractFiles,
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function(file, fileCb) {
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let filename = file.filename;
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for (let directory of self.contractDirectories) {
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filename = filename.replace(directory, '');
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}
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file.content(function(fileContent) {
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input[filename] = {content: fileContent};
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fileCb();
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});
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},
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function (err) {
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callback(err);
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}
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);
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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({logger: self.logger, events: self.events});
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if (solcW.isCompilerLoaded()) {
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return callback();
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}
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self.logger.info("loading solc compiler..");
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solcW.load_compiler(function (err) {
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callback(err);
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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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let jsonObj = {
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language: 'Solidity',
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sources: input,
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settings: {
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optimizer: {
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enabled: true,
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runs: 200
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},
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outputSelection: {
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'*': {
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'*': ['abi', 'metadata', 'userdoc', 'devdoc', 'evm.legacyAssembly', 'evm.bytecode', 'evm.deployedBytecode', 'evm.methodIdentifiers', 'evm.gasEstimates']
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}
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}
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}
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};
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solcW.compile(jsonObj, function (output) {
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if (output.errors) {
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for (let i=0; i<output.errors.length; i++) {
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if (output.errors[i].type === 'Warning') {
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self.logger.warn(output.errors[i].formattedMessage);
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}
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if (output.errors[i].type === 'Error' || output.errors[i].severity === 'error') {
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return callback(new Error("Solidity errors: " + output.errors[i].formattedMessage).message);
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}
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}
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self.logger.warn(output.errors.join('\n'));
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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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let json = output.contracts;
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if (!output || !output.contracts) {
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return callback(new Error("error compiling for unknown reasons"));
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}
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if (Object.keys(output.contracts).length === 0 && output.sourceList.length > 0) {
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return callback(new Error("error compiling. There are sources available but no code could be compiled, likely due to fatal errors in the solidity code").message);
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}
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let compiled_object = {};
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for (let contractFile in json) {
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for (let contractName in json[contractFile]) {
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let contract = json[contractFile][contractName];
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const className = contractName;
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const filename = contractFile;
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compiled_object[className] = {};
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compiled_object[className].code = contract.evm.bytecode.object;
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compiled_object[className].runtimeBytecode = contract.evm.deployedBytecode.object;
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compiled_object[className].realRuntimeBytecode = contract.evm.deployedBytecode.object.slice(0, -68);
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compiled_object[className].swarmHash = contract.evm.deployedBytecode.object.slice(-68).slice(0, 64);
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compiled_object[className].gasEstimates = contract.evm.gasEstimates;
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compiled_object[className].functionHashes = contract.evm.methodIdentifiers;
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compiled_object[className].abiDefinition = contract.abi;
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compiled_object[className].filename = filename;
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}
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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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}
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module.exports = Solidity;
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