Jonathan Rainville
parent
5f79db8020
commit
f83465c641
299
lib/Compiler.js
299
lib/Compiler.js
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@ -3,43 +3,10 @@ const shelljs = require('shelljs');
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const fs = require('fs');
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const path = require('path');
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function compileSolcContract(logger, file, allowedDirectories, remappings, solcConfig, callback) {
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let input = {};
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const filename = file.pluginPath ? path.join(file.pluginPath, file.filename) : file.filename;
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input[filename] = {content: file.parsedContent.replace(/\r\n/g, '\n'), path: filename};
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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: solcConfig['optimize'],
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runs: solcConfig['optimize-runs']
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},
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remappings,
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outputSelection: {
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'*': {
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'': ['ast'],
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'*': [
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'abi',
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'devdoc',
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'evm.bytecode',
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'evm.deployedBytecode',
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'evm.gasEstimates',
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'evm.legacyAssembly',
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'evm.methodIdentifiers',
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'metadata',
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'userdoc'
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]
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}
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}
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}
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};
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function compileSolcContract(logger, compileSettings, allowedDirectories, callback) {
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const command = `solc --standard-json --allow-paths ${allowedDirectories.join(',')}`;
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shelljs.ShellString(JSON.stringify(jsonObj)).exec(command, {silent: true}, (code, stdout, stderr) => {
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shelljs.ShellString(JSON.stringify(compileSettings)).exec(command, {silent: true}, (code, stdout, stderr) => {
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if (stderr) {
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logger.warn(stderr);
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}
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@ -75,9 +42,9 @@ function getSolcVersion(logger, callback) {
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});
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}
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function compileSolc(embark, contractFiles, contractDirectories, cb) {
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function compileSolc(embark, contractFiles, contractDirectories, callback) {
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if (!contractFiles || !contractFiles.length) {
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return cb();
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return callback();
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}
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const logger = embark.logger;
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@ -85,113 +52,165 @@ function compileSolc(embark, contractFiles, contractDirectories, cb) {
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const outputDir = embark.config.buildDir + embark.config.contractDirectories[0];
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const solcConfig = embark.config.embarkConfig.options.solc;
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const solc = shelljs.which('solc');
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if (!solc) {
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logger.error('solc is not installed on your machine');
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logger.info('You can install it by following the instructions on: http://solidity.readthedocs.io/en/latest/installing-solidity.html');
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return cb('Compiler not installed');
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}
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logger.info("compiling solidity contracts with command line solc...");
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const allowedDirectories = contractFiles.map((contractFile) => path.join(process.cwd(), path.dirname(contractFile.path) + '/'))
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.filter((x, i, a) => a.indexOf(x) === i);
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// Add default contract paths
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allowedDirectories.push(
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path.join(process.cwd(), 'node_modules/'),
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path.join(process.cwd(), '.embark/contracts/')
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);
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const remappings = []; // Will get populated by compilations
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// Get content and remappings
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async.each(contractFiles, (file, eachCb) => {
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file.content(content => {
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file.parsedContent = content;
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const newRemappings = file.importRemappings.map((mapping) => `${mapping.prefix}=${mapping.target}`);
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newRemappings.forEach(newRemapping => {
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if (!remappings.includes(newRemapping)) {
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remappings.push(newRemapping);
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}
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});
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eachCb();
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});
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}, (err) => {
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if (err) {
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return cb(err);
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}
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let compiled_object = {};
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async.each(contractFiles,
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function(file, callback) {
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compileSolcContract(logger, file, allowedDirectories, remappings, solcConfig, (err, compileString) => {
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if (err) {
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return callback(err);
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}
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let json;
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try {
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json = JSON.parse(compileString);
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} catch (e) {
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logger.error(e.message || e);
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return callback(`Compiling ${file} returned an unreadable result`);
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}
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const contracts = json.contracts;
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if (json.errors) {
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let isError = false;
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json.errors.forEach(error => {
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if (error.severity === 'error') {
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isError = true;
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logger.error(error.formattedMessage);
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} else {
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logger.warn(error.formattedMessage);
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}
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});
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if (isError) {
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return callback(`Error while compiling ${file.filename}`);
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}
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}
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for (let contractFile in contracts) {
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for (let contractName in contracts[contractFile]) {
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let contract = contracts[contractFile][contractName];
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let filename = contractFile;
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const originalFilename = filename;
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for (let directory of contractDirectories) {
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let match = new RegExp("^" + directory);
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filename = filename.replace(match, '');
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}
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const className = contractName;
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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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compiled_object[className].originalFilename = originalFilename;
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}
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}
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callback();
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});
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let allowedDirectories;
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const remappings = [];
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const compilationSettings = {
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language: 'Solidity',
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sources: {},
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settings: {
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optimizer: {
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enabled: solcConfig['optimize'],
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runs: solcConfig['optimize-runs']
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},
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function(err) {
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cb(err, compiled_object);
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if (outputBinary) {
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embark.events.on("outputDone", function() {
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Object.keys(compiled_object).map(function(className, _index) {
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fs.writeFile(path.join(outputDir, className + ".bin"), compiled_object[className].code, (err) => {
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if (err) {
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logger.error("Error writing binary file: " + JSON.stringify(err));
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}
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});
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});
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remappings,
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outputSelection: {
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'*': {
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'': ['ast'],
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'*': [
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'abi',
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'devdoc',
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'evm.bytecode',
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'evm.deployedBytecode',
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'evm.gasEstimates',
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'evm.legacyAssembly',
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'evm.methodIdentifiers',
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'metadata',
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'userdoc'
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]
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}
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}
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}
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};
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async.waterfall([
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function checkSolc(next) {
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const solc = shelljs.which('solc');
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if (!solc) {
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logger.error('solc is not installed on your machine');
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logger.info('You can install it by following the instructions on: http://solidity.readthedocs.io/en/latest/installing-solidity.html');
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return next('Compiler not installed');
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}
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logger.info("compiling solidity contracts with command line solc...");
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next();
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},
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function getAllowedDirectories(next) {
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allowedDirectories = contractFiles.map((contractFile) => path.join(process.cwd(), path.dirname(contractFile.path) + '/'))
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.filter((x, i, a) => a.indexOf(x) === i);
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// Add default contract paths
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allowedDirectories.push(
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path.join(process.cwd(), 'node_modules/'),
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path.join(process.cwd(), '.embark/contracts/')
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);
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next();
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},
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function getContentAndRemappings(next) {
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async.each(contractFiles, (file, eachCb) => {
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file.content(content => {
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file.parsedContent = content;
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const newRemappings = file.importRemappings.map((mapping) => `${mapping.prefix}=${mapping.target}`);
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newRemappings.forEach(newRemapping => {
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if (!remappings.includes(newRemapping)) {
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remappings.push(newRemapping);
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}
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});
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eachCb();
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});
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}, next);
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},
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function getCompilationSettings(next) {
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contractFiles.forEach(file => {
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const filename = file.pluginPath ? path.join(file.pluginPath, file.filename) : file.filename;
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compilationSettings.sources[filename] = {
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content: file.parsedContent.replace(/\r\n/g, '\n'),
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path: filename
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};
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});
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next();
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},
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function compile(next) {
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compileSolcContract(logger, compilationSettings, allowedDirectories, (err, compileString) => {
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if (err) {
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return next(err);
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}
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let json;
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try {
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json = JSON.parse(compileString);
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} catch (e) {
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logger.error(e.message || e);
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return callback(`Compiling returned an unreadable result`);
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}
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const contracts = json.contracts;
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// Check for errors
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if (json.errors) {
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let isError = false;
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json.errors.forEach(error => {
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if (error.severity === 'error') {
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isError = true;
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logger.error(error.formattedMessage);
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} else {
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logger.warn(error.formattedMessage);
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}
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});
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if (isError) {
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return next(`Error while compiling`);
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}
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next(null, contracts);
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}
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});
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},
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function populateCompiledObject(contracts, next) {
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const compiledObject = {};
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for (let contractFile in contracts) {
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for (let contractName in contracts[contractFile]) {
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let contract = contracts[contractFile][contractName];
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let filename = contractFile;
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const originalFilename = filename;
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for (let directory of contractDirectories) {
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let match = new RegExp("^" + directory);
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filename = filename.replace(match, '');
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}
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const className = contractName;
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compiledObject[className] = {};
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compiledObject[className].code = contract.evm.bytecode.object;
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compiledObject[className].runtimeBytecode = contract.evm.deployedBytecode.object;
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compiledObject[className].realRuntimeBytecode = contract.evm.deployedBytecode.object.slice(0, -68);
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compiledObject[className].swarmHash = contract.evm.deployedBytecode.object.slice(-68).slice(0, 64);
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compiledObject[className].gasEstimates = contract.evm.gasEstimates;
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compiledObject[className].functionHashes = contract.evm.methodIdentifiers;
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compiledObject[className].abiDefinition = contract.abi;
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compiledObject[className].filename = filename;
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compiledObject[className].originalFilename = originalFilename;
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}
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}
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next(null, compiledObject);
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}
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], (err, compiledObject) => {
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callback(err, compiledObject);
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if (outputBinary) {
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embark.events.once("outputDone", function() {
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Object.keys(compiledObject).map(function(className, _index) {
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fs.writeFile(path.join(outputDir, className + ".bin"), compiledObject[className].code, (err) => {
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if (err) {
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logger.error("Error writing binary file: " + JSON.stringify(err));
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}
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});
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});
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});
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}
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});
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}
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