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-rw-r--r--packages/sol-compiler/src/cli.ts41
-rw-r--r--packages/sol-compiler/src/compiler.ts276
-rw-r--r--packages/sol-compiler/src/globals.d.ts6
-rw-r--r--packages/sol-compiler/src/index.ts2
-rw-r--r--packages/sol-compiler/src/monorepo_scripts/postpublish.ts8
-rw-r--r--packages/sol-compiler/src/monorepo_scripts/stage_docs.ts8
-rw-r--r--packages/sol-compiler/src/solc/bin_paths.ts20
-rw-r--r--packages/sol-compiler/src/utils/compiler.ts107
-rw-r--r--packages/sol-compiler/src/utils/constants.ts5
-rw-r--r--packages/sol-compiler/src/utils/encoder.ts18
-rw-r--r--packages/sol-compiler/src/utils/fs_wrapper.ts12
-rw-r--r--packages/sol-compiler/src/utils/types.ts79
-rw-r--r--packages/sol-compiler/src/utils/utils.ts8
13 files changed, 590 insertions, 0 deletions
diff --git a/packages/sol-compiler/src/cli.ts b/packages/sol-compiler/src/cli.ts
new file mode 100644
index 000000000..2412b8d34
--- /dev/null
+++ b/packages/sol-compiler/src/cli.ts
@@ -0,0 +1,41 @@
+#!/usr/bin/env node
+// We need the above pragma since this script will be run as a command-line tool.
+
+import { BigNumber } from '@0xproject/utils';
+import { Web3Wrapper } from '@0xproject/web3-wrapper';
+import * as _ from 'lodash';
+import * as path from 'path';
+import * as Web3 from 'web3';
+import * as yargs from 'yargs';
+
+import { Compiler } from './compiler';
+import { constants } from './utils/constants';
+import { CompilerOptions } from './utils/types';
+
+const DEFAULT_CONTRACTS_LIST = '*';
+const SEPARATOR = ',';
+
+(async () => {
+ const argv = yargs
+ .option('contracts-dir', {
+ type: 'string',
+ description: 'path of contracts directory to compile',
+ })
+ .option('artifacts-dir', {
+ type: 'string',
+ description: 'path to write contracts artifacts to',
+ })
+ .option('contracts', {
+ type: 'string',
+ default: DEFAULT_CONTRACTS_LIST,
+ description: 'comma separated list of contracts to compile',
+ })
+ .help().argv;
+ const opts: CompilerOptions = {
+ contractsDir: argv.contractsDir,
+ artifactsDir: argv.artifactsDir,
+ contracts: argv.contracts === DEFAULT_CONTRACTS_LIST ? DEFAULT_CONTRACTS_LIST : argv.contracts.split(SEPARATOR),
+ };
+ const compiler = new Compiler(opts);
+ await compiler.compileAsync();
+})();
diff --git a/packages/sol-compiler/src/compiler.ts b/packages/sol-compiler/src/compiler.ts
new file mode 100644
index 000000000..efb30091b
--- /dev/null
+++ b/packages/sol-compiler/src/compiler.ts
@@ -0,0 +1,276 @@
+import {
+ ContractSource,
+ ContractSources,
+ EnumerableResolver,
+ FallthroughResolver,
+ FSResolver,
+ NameResolver,
+ NPMResolver,
+ RelativeFSResolver,
+ Resolver,
+ URLResolver,
+} from '@0xproject/sol-resolver';
+import { ContractAbi } from '@0xproject/types';
+import { logUtils, promisify } from '@0xproject/utils';
+import chalk from 'chalk';
+import * as ethUtil from 'ethereumjs-util';
+import * as fs from 'fs';
+import 'isomorphic-fetch';
+import * as _ from 'lodash';
+import * as path from 'path';
+import * as requireFromString from 'require-from-string';
+import * as semver from 'semver';
+import solc = require('solc');
+
+import { binPaths } from './solc/bin_paths';
+import {
+ createDirIfDoesNotExistAsync,
+ getContractArtifactIfExistsAsync,
+ getNormalizedErrMsg,
+ parseDependencies,
+ parseSolidityVersionRange,
+} from './utils/compiler';
+import { constants } from './utils/constants';
+import { fsWrapper } from './utils/fs_wrapper';
+import {
+ CompilerOptions,
+ ContractArtifact,
+ ContractNetworkData,
+ ContractNetworks,
+ ContractSourceData,
+ ContractSpecificSourceData,
+ ContractVersionData,
+} from './utils/types';
+import { utils } from './utils/utils';
+
+type TYPE_ALL_FILES_IDENTIFIER = '*';
+const ALL_CONTRACTS_IDENTIFIER = '*';
+const ALL_FILES_IDENTIFIER = '*';
+const SOLC_BIN_DIR = path.join(__dirname, '..', '..', 'solc_bin');
+const DEFAULT_CONTRACTS_DIR = path.resolve('contracts');
+const DEFAULT_ARTIFACTS_DIR = path.resolve('artifacts');
+// Solc compiler settings cannot be configured from the commandline.
+// If you need this configured, please create a `compiler.json` config file
+// with your desired configurations.
+const DEFAULT_COMPILER_SETTINGS: solc.CompilerSettings = {
+ optimizer: {
+ enabled: false,
+ },
+ outputSelection: {
+ [ALL_FILES_IDENTIFIER]: {
+ [ALL_CONTRACTS_IDENTIFIER]: ['abi', 'evm.bytecode.object'],
+ },
+ },
+};
+const CONFIG_FILE = 'compiler.json';
+
+/**
+ * The Compiler facilitates compiling Solidity smart contracts and saves the results
+ * to artifact files.
+ */
+export class Compiler {
+ private _resolver: Resolver;
+ private _nameResolver: NameResolver;
+ private _contractsDir: string;
+ private _compilerSettings: solc.CompilerSettings;
+ private _artifactsDir: string;
+ private _specifiedContracts: string[] | TYPE_ALL_FILES_IDENTIFIER;
+ /**
+ * Instantiates a new instance of the Compiler class.
+ * @return An instance of the Compiler class.
+ */
+ constructor(opts: CompilerOptions) {
+ // TODO: Look for config file in parent directories if not found in current directory
+ const config: CompilerOptions = fs.existsSync(CONFIG_FILE)
+ ? JSON.parse(fs.readFileSync(CONFIG_FILE).toString())
+ : {};
+ this._contractsDir = opts.contractsDir || config.contractsDir || DEFAULT_CONTRACTS_DIR;
+ this._compilerSettings = opts.compilerSettings || config.compilerSettings || DEFAULT_COMPILER_SETTINGS;
+ this._artifactsDir = opts.artifactsDir || config.artifactsDir || DEFAULT_ARTIFACTS_DIR;
+ this._specifiedContracts = opts.contracts || config.contracts || ALL_CONTRACTS_IDENTIFIER;
+ this._nameResolver = new NameResolver(path.resolve(this._contractsDir));
+ const resolver = new FallthroughResolver();
+ resolver.appendResolver(new URLResolver());
+ const packagePath = path.resolve('');
+ resolver.appendResolver(new NPMResolver(packagePath));
+ resolver.appendResolver(new RelativeFSResolver(this._contractsDir));
+ resolver.appendResolver(new FSResolver());
+ resolver.appendResolver(this._nameResolver);
+ this._resolver = resolver;
+ }
+ /**
+ * Compiles selected Solidity files found in `contractsDir` and writes JSON artifacts to `artifactsDir`.
+ */
+ public async compileAsync(): Promise<void> {
+ await createDirIfDoesNotExistAsync(this._artifactsDir);
+ await createDirIfDoesNotExistAsync(SOLC_BIN_DIR);
+ let contractNamesToCompile: string[] = [];
+ if (this._specifiedContracts === ALL_CONTRACTS_IDENTIFIER) {
+ const allContracts = this._nameResolver.getAll();
+ contractNamesToCompile = _.map(allContracts, contractSource =>
+ path.basename(contractSource.path, constants.SOLIDITY_FILE_EXTENSION),
+ );
+ } else {
+ contractNamesToCompile = this._specifiedContracts;
+ }
+ for (const contractNameToCompile of contractNamesToCompile) {
+ await this._compileContractAsync(contractNameToCompile);
+ }
+ }
+ /**
+ * Compiles contract and saves artifact to artifactsDir.
+ * @param fileName Name of contract with '.sol' extension.
+ */
+ private async _compileContractAsync(contractName: string): Promise<void> {
+ const contractSource = this._resolver.resolve(contractName);
+ const absoluteContractPath = path.join(this._contractsDir, contractSource.path);
+ const currentArtifactIfExists = await getContractArtifactIfExistsAsync(this._artifactsDir, contractName);
+ const sourceTreeHashHex = `0x${this._getSourceTreeHash(absoluteContractPath).toString('hex')}`;
+ let shouldCompile = false;
+ if (_.isUndefined(currentArtifactIfExists)) {
+ shouldCompile = true;
+ } else {
+ const currentArtifact = currentArtifactIfExists as ContractArtifact;
+ const isUserOnLatestVersion = currentArtifact.schemaVersion === constants.LATEST_ARTIFACT_VERSION;
+ const didCompilerSettingsChange = !_.isEqual(currentArtifact.compiler.settings, this._compilerSettings);
+ const didSourceChange = currentArtifact.sourceTreeHashHex !== sourceTreeHashHex;
+ shouldCompile = !isUserOnLatestVersion || didCompilerSettingsChange || didSourceChange;
+ }
+ if (!shouldCompile) {
+ return;
+ }
+ const solcVersionRange = parseSolidityVersionRange(contractSource.source);
+ const availableCompilerVersions = _.keys(binPaths);
+ const solcVersion = semver.maxSatisfying(availableCompilerVersions, solcVersionRange);
+ const fullSolcVersion = binPaths[solcVersion];
+ const compilerBinFilename = path.join(SOLC_BIN_DIR, fullSolcVersion);
+ let solcjs: string;
+ const isCompilerAvailableLocally = fs.existsSync(compilerBinFilename);
+ if (isCompilerAvailableLocally) {
+ solcjs = fs.readFileSync(compilerBinFilename).toString();
+ } else {
+ logUtils.log(`Downloading ${fullSolcVersion}...`);
+ const url = `${constants.BASE_COMPILER_URL}${fullSolcVersion}`;
+ const response = await fetch(url);
+ if (response.status !== 200) {
+ throw new Error(`Failed to load ${fullSolcVersion}`);
+ }
+ solcjs = await response.text();
+ fs.writeFileSync(compilerBinFilename, solcjs);
+ }
+ const solcInstance = solc.setupMethods(requireFromString(solcjs, compilerBinFilename));
+
+ logUtils.log(`Compiling ${contractName} with Solidity v${solcVersion}...`);
+ const source = contractSource.source;
+ const standardInput: solc.StandardInput = {
+ language: 'Solidity',
+ sources: {
+ [contractSource.path]: {
+ content: contractSource.source,
+ },
+ },
+ settings: this._compilerSettings,
+ };
+ const compiled: solc.StandardOutput = JSON.parse(
+ solcInstance.compileStandardWrapper(JSON.stringify(standardInput), importPath => {
+ const sourceCodeIfExists = this._resolver.resolve(importPath);
+ return { contents: sourceCodeIfExists.source };
+ }),
+ );
+
+ if (!_.isUndefined(compiled.errors)) {
+ const SOLIDITY_WARNING = 'warning';
+ const errors = _.filter(compiled.errors, entry => entry.severity !== SOLIDITY_WARNING);
+ const warnings = _.filter(compiled.errors, entry => entry.severity === SOLIDITY_WARNING);
+ if (!_.isEmpty(errors)) {
+ errors.forEach(error => {
+ const normalizedErrMsg = getNormalizedErrMsg(error.formattedMessage || error.message);
+ logUtils.log(chalk.red(normalizedErrMsg));
+ });
+ process.exit(1);
+ } else {
+ warnings.forEach(warning => {
+ const normalizedWarningMsg = getNormalizedErrMsg(warning.formattedMessage || warning.message);
+ logUtils.log(chalk.yellow(normalizedWarningMsg));
+ });
+ }
+ }
+ const compiledData = compiled.contracts[contractSource.path][contractName];
+ if (_.isUndefined(compiledData)) {
+ throw new Error(
+ `Contract ${contractName} not found in ${
+ contractSource.path
+ }. Please make sure your contract has the same name as it's file name`,
+ );
+ }
+ if (!_.isUndefined(compiledData.evm)) {
+ if (!_.isUndefined(compiledData.evm.bytecode) && !_.isUndefined(compiledData.evm.bytecode.object)) {
+ compiledData.evm.bytecode.object = ethUtil.addHexPrefix(compiledData.evm.bytecode.object);
+ }
+ if (
+ !_.isUndefined(compiledData.evm.deployedBytecode) &&
+ !_.isUndefined(compiledData.evm.deployedBytecode.object)
+ ) {
+ compiledData.evm.deployedBytecode.object = ethUtil.addHexPrefix(
+ compiledData.evm.deployedBytecode.object,
+ );
+ }
+ }
+
+ const sourceCodes = _.mapValues(
+ compiled.sources,
+ (_1, sourceFilePath) => this._resolver.resolve(sourceFilePath).source,
+ );
+ const contractVersion: ContractVersionData = {
+ compilerOutput: compiledData,
+ sources: compiled.sources,
+ sourceCodes,
+ sourceTreeHashHex,
+ compiler: {
+ name: 'solc',
+ version: solcVersion,
+ settings: this._compilerSettings,
+ },
+ };
+
+ let newArtifact: ContractArtifact;
+ if (!_.isUndefined(currentArtifactIfExists)) {
+ const currentArtifact = currentArtifactIfExists as ContractArtifact;
+ newArtifact = {
+ ...currentArtifact,
+ ...contractVersion,
+ };
+ } else {
+ newArtifact = {
+ schemaVersion: constants.LATEST_ARTIFACT_VERSION,
+ contractName,
+ ...contractVersion,
+ networks: {},
+ };
+ }
+
+ const artifactString = utils.stringifyWithFormatting(newArtifact);
+ const currentArtifactPath = `${this._artifactsDir}/${contractName}.json`;
+ await fsWrapper.writeFileAsync(currentArtifactPath, artifactString);
+ logUtils.log(`${contractName} artifact saved!`);
+ }
+ /**
+ * Gets the source tree hash for a file and its dependencies.
+ * @param fileName Name of contract file.
+ */
+ private _getSourceTreeHash(importPath: string): Buffer {
+ const contractSource = this._resolver.resolve(importPath);
+ const dependencies = parseDependencies(contractSource);
+ const sourceHash = ethUtil.sha3(contractSource.source);
+ if (dependencies.length === 0) {
+ return sourceHash;
+ } else {
+ const dependencySourceTreeHashes = _.map(dependencies, (dependency: string) =>
+ this._getSourceTreeHash(dependency),
+ );
+ const sourceTreeHashesBuffer = Buffer.concat([sourceHash, ...dependencySourceTreeHashes]);
+ const sourceTreeHash = ethUtil.sha3(sourceTreeHashesBuffer);
+ return sourceTreeHash;
+ }
+ }
+}
diff --git a/packages/sol-compiler/src/globals.d.ts b/packages/sol-compiler/src/globals.d.ts
new file mode 100644
index 000000000..94e63a32d
--- /dev/null
+++ b/packages/sol-compiler/src/globals.d.ts
@@ -0,0 +1,6 @@
+declare module '*.json' {
+ const json: any;
+ /* tslint:disable */
+ export default json;
+ /* tslint:enable */
+}
diff --git a/packages/sol-compiler/src/index.ts b/packages/sol-compiler/src/index.ts
new file mode 100644
index 000000000..4b4c51de2
--- /dev/null
+++ b/packages/sol-compiler/src/index.ts
@@ -0,0 +1,2 @@
+export { Compiler } from './compiler';
+export { ContractArtifact, ContractNetworks } from './utils/types';
diff --git a/packages/sol-compiler/src/monorepo_scripts/postpublish.ts b/packages/sol-compiler/src/monorepo_scripts/postpublish.ts
new file mode 100644
index 000000000..dcb99d0f7
--- /dev/null
+++ b/packages/sol-compiler/src/monorepo_scripts/postpublish.ts
@@ -0,0 +1,8 @@
+import { postpublishUtils } from '@0xproject/monorepo-scripts';
+
+import * as packageJSON from '../package.json';
+import * as tsConfigJSON from '../tsconfig.json';
+
+const cwd = `${__dirname}/..`;
+// tslint:disable-next-line:no-floating-promises
+postpublishUtils.runAsync(packageJSON, tsConfigJSON, cwd);
diff --git a/packages/sol-compiler/src/monorepo_scripts/stage_docs.ts b/packages/sol-compiler/src/monorepo_scripts/stage_docs.ts
new file mode 100644
index 000000000..e732ac8eb
--- /dev/null
+++ b/packages/sol-compiler/src/monorepo_scripts/stage_docs.ts
@@ -0,0 +1,8 @@
+import { postpublishUtils } from '@0xproject/monorepo-scripts';
+
+import * as packageJSON from '../package.json';
+import * as tsConfigJSON from '../tsconfig.json';
+
+const cwd = `${__dirname}/..`;
+// tslint:disable-next-line:no-floating-promises
+postpublishUtils.publishDocsToStagingAsync(packageJSON, tsConfigJSON, cwd);
diff --git a/packages/sol-compiler/src/solc/bin_paths.ts b/packages/sol-compiler/src/solc/bin_paths.ts
new file mode 100644
index 000000000..1b5e8c6f1
--- /dev/null
+++ b/packages/sol-compiler/src/solc/bin_paths.ts
@@ -0,0 +1,20 @@
+export interface BinaryPaths {
+ [key: string]: string;
+}
+
+export const binPaths: BinaryPaths = {
+ '0.4.10': 'soljson-v0.4.10+commit.f0d539ae.js',
+ '0.4.11': 'soljson-v0.4.11+commit.68ef5810.js',
+ '0.4.12': 'soljson-v0.4.12+commit.194ff033.js',
+ '0.4.13': 'soljson-v0.4.13+commit.fb4cb1a.js',
+ '0.4.14': 'soljson-v0.4.14+commit.c2215d46.js',
+ '0.4.15': 'soljson-v0.4.15+commit.bbb8e64f.js',
+ '0.4.16': 'soljson-v0.4.16+commit.d7661dd9.js',
+ '0.4.17': 'soljson-v0.4.17+commit.bdeb9e52.js',
+ '0.4.18': 'soljson-v0.4.18+commit.9cf6e910.js',
+ '0.4.19': 'soljson-v0.4.19+commit.c4cbbb05.js',
+ '0.4.20': 'soljson-v0.4.20+commit.3155dd80.js',
+ '0.4.21': 'soljson-v0.4.21+commit.dfe3193c.js',
+ '0.4.22': 'soljson-v0.4.22+commit.4cb486ee.js',
+ '0.4.23': 'soljson-v0.4.23+commit.124ca40d.js',
+};
diff --git a/packages/sol-compiler/src/utils/compiler.ts b/packages/sol-compiler/src/utils/compiler.ts
new file mode 100644
index 000000000..c571b2581
--- /dev/null
+++ b/packages/sol-compiler/src/utils/compiler.ts
@@ -0,0 +1,107 @@
+import { ContractSource, ContractSources } from '@0xproject/sol-resolver';
+import { logUtils } from '@0xproject/utils';
+import * as _ from 'lodash';
+import * as path from 'path';
+import * as solc from 'solc';
+
+import { constants } from './constants';
+import { fsWrapper } from './fs_wrapper';
+import { ContractArtifact } from './types';
+
+/**
+ * Gets contract data on network or returns if an artifact does not exist.
+ * @param artifactsDir Path to the artifacts directory.
+ * @param contractName Name of contract.
+ * @return Contract data on network or undefined.
+ */
+export async function getContractArtifactIfExistsAsync(
+ artifactsDir: string,
+ contractName: string,
+): Promise<ContractArtifact | void> {
+ let contractArtifact;
+ const currentArtifactPath = `${artifactsDir}/${contractName}.json`;
+ try {
+ const opts = {
+ encoding: 'utf8',
+ };
+ const contractArtifactString = await fsWrapper.readFileAsync(currentArtifactPath, opts);
+ contractArtifact = JSON.parse(contractArtifactString);
+ return contractArtifact;
+ } catch (err) {
+ logUtils.log(`Artifact for ${contractName} does not exist`);
+ return undefined;
+ }
+}
+
+/**
+ * Creates a directory if it does not already exist.
+ * @param artifactsDir Path to the directory.
+ */
+export async function createDirIfDoesNotExistAsync(dirPath: string): Promise<void> {
+ if (!fsWrapper.doesPathExistSync(dirPath)) {
+ logUtils.log(`Creating directory at ${dirPath}...`);
+ await fsWrapper.mkdirAsync(dirPath);
+ }
+}
+
+/**
+ * Searches Solidity source code for compiler version range.
+ * @param source Source code of contract.
+ * @return Solc compiler version range.
+ */
+export function parseSolidityVersionRange(source: string): string {
+ const SOLIDITY_VERSION_RANGE_REGEX = /pragma\s+solidity\s+(.*);/;
+ const solcVersionRangeMatch = source.match(SOLIDITY_VERSION_RANGE_REGEX);
+ if (_.isNull(solcVersionRangeMatch)) {
+ throw new Error('Could not find Solidity version range in source');
+ }
+ const solcVersionRange = solcVersionRangeMatch[1];
+ return solcVersionRange;
+}
+
+/**
+ * Normalizes the path found in the error message.
+ * Example: converts 'base/Token.sol:6:46: Warning: Unused local variable'
+ * to 'Token.sol:6:46: Warning: Unused local variable'
+ * This is used to prevent logging the same error multiple times.
+ * @param errMsg An error message from the compiled output.
+ * @return The error message with directories truncated from the contract path.
+ */
+export function getNormalizedErrMsg(errMsg: string): string {
+ const SOLIDITY_FILE_EXTENSION_REGEX = /(.*\.sol)/;
+ const errPathMatch = errMsg.match(SOLIDITY_FILE_EXTENSION_REGEX);
+ if (_.isNull(errPathMatch)) {
+ throw new Error('Could not find a path in error message');
+ }
+ const errPath = errPathMatch[0];
+ const baseContract = path.basename(errPath);
+ const normalizedErrMsg = errMsg.replace(errPath, baseContract);
+ return normalizedErrMsg;
+}
+
+/**
+ * Parses the contract source code and extracts the dendencies
+ * @param source Contract source code
+ * @return List of dependendencies
+ */
+export function parseDependencies(contractSource: ContractSource): string[] {
+ // TODO: Use a proper parser
+ const source = contractSource.source;
+ const IMPORT_REGEX = /(import\s)/;
+ const DEPENDENCY_PATH_REGEX = /"([^"]+)"/; // Source: https://github.com/BlockChainCompany/soljitsu/blob/master/lib/shared.js
+ const dependencies: string[] = [];
+ const lines = source.split('\n');
+ _.forEach(lines, line => {
+ if (!_.isNull(line.match(IMPORT_REGEX))) {
+ const dependencyMatch = line.match(DEPENDENCY_PATH_REGEX);
+ if (!_.isNull(dependencyMatch)) {
+ let dependencyPath = dependencyMatch[1];
+ if (dependencyPath.startsWith('.')) {
+ dependencyPath = path.join(path.dirname(contractSource.path), dependencyPath);
+ }
+ dependencies.push(dependencyPath);
+ }
+ }
+ });
+ return dependencies;
+}
diff --git a/packages/sol-compiler/src/utils/constants.ts b/packages/sol-compiler/src/utils/constants.ts
new file mode 100644
index 000000000..df2ddb3b2
--- /dev/null
+++ b/packages/sol-compiler/src/utils/constants.ts
@@ -0,0 +1,5 @@
+export const constants = {
+ SOLIDITY_FILE_EXTENSION: '.sol',
+ BASE_COMPILER_URL: 'https://ethereum.github.io/solc-bin/bin/',
+ LATEST_ARTIFACT_VERSION: '2.0.0',
+};
diff --git a/packages/sol-compiler/src/utils/encoder.ts b/packages/sol-compiler/src/utils/encoder.ts
new file mode 100644
index 000000000..806efbbca
--- /dev/null
+++ b/packages/sol-compiler/src/utils/encoder.ts
@@ -0,0 +1,18 @@
+import { AbiDefinition, AbiType, ContractAbi, DataItem } from '@0xproject/types';
+import * as _ from 'lodash';
+import * as web3Abi from 'web3-eth-abi';
+
+export const encoder = {
+ encodeConstructorArgsFromAbi(args: any[], abi: ContractAbi): string {
+ const constructorTypes: string[] = [];
+ _.each(abi, (element: AbiDefinition) => {
+ if (element.type === AbiType.Constructor) {
+ _.each(element.inputs, (input: DataItem) => {
+ constructorTypes.push(input.type);
+ });
+ }
+ });
+ const encodedParameters = web3Abi.encodeParameters(constructorTypes, args);
+ return encodedParameters;
+ },
+};
diff --git a/packages/sol-compiler/src/utils/fs_wrapper.ts b/packages/sol-compiler/src/utils/fs_wrapper.ts
new file mode 100644
index 000000000..e02c83f27
--- /dev/null
+++ b/packages/sol-compiler/src/utils/fs_wrapper.ts
@@ -0,0 +1,12 @@
+import { promisify } from '@0xproject/utils';
+import * as fs from 'fs';
+
+export const fsWrapper = {
+ readdirAsync: promisify<string[]>(fs.readdir),
+ readFileAsync: promisify<string>(fs.readFile),
+ writeFileAsync: promisify<undefined>(fs.writeFile),
+ mkdirAsync: promisify<undefined>(fs.mkdir),
+ doesPathExistSync: fs.existsSync,
+ rmdirSync: fs.rmdirSync,
+ removeFileAsync: promisify<undefined>(fs.unlink),
+};
diff --git a/packages/sol-compiler/src/utils/types.ts b/packages/sol-compiler/src/utils/types.ts
new file mode 100644
index 000000000..b12a11b79
--- /dev/null
+++ b/packages/sol-compiler/src/utils/types.ts
@@ -0,0 +1,79 @@
+import { ContractAbi, Provider, TxData } from '@0xproject/types';
+import * as solc from 'solc';
+import * as Web3 from 'web3';
+import * as yargs from 'yargs';
+
+export enum AbiType {
+ Function = 'function',
+ Constructor = 'constructor',
+ Event = 'event',
+ Fallback = 'fallback',
+}
+
+export interface ContractArtifact extends ContractVersionData {
+ schemaVersion: string;
+ contractName: string;
+ networks: ContractNetworks;
+}
+
+export interface ContractVersionData {
+ compiler: {
+ name: 'solc';
+ version: string;
+ settings: solc.CompilerSettings;
+ };
+ sources: {
+ [sourceName: string]: {
+ id: number;
+ };
+ };
+ sourceCodes: {
+ [sourceName: string]: string;
+ };
+ sourceTreeHashHex: string;
+ compilerOutput: solc.StandardContractOutput;
+}
+
+export interface ContractNetworks {
+ [networkId: number]: ContractNetworkData;
+}
+
+export interface ContractNetworkData {
+ address: string;
+ links: {
+ [linkName: string]: string;
+ };
+ constructorArgs: string;
+}
+
+export interface SolcErrors {
+ [key: string]: boolean;
+}
+
+export interface CompilerOptions {
+ contractsDir?: string;
+ artifactsDir?: string;
+ compilerSettings?: solc.CompilerSettings;
+ contracts?: string[] | '*';
+}
+
+export interface ContractSourceData {
+ [contractName: string]: ContractSpecificSourceData;
+}
+
+export interface ContractSpecificSourceData {
+ solcVersionRange: string;
+ sourceHash: Buffer;
+ sourceTreeHash: Buffer;
+}
+
+export interface Token {
+ address?: string;
+ name: string;
+ symbol: string;
+ decimals: number;
+ ipfsHash: string;
+ swarmHash: string;
+}
+
+export type DoneCallback = (err?: Error) => void;
diff --git a/packages/sol-compiler/src/utils/utils.ts b/packages/sol-compiler/src/utils/utils.ts
new file mode 100644
index 000000000..9b1e59f9d
--- /dev/null
+++ b/packages/sol-compiler/src/utils/utils.ts
@@ -0,0 +1,8 @@
+export const utils = {
+ stringifyWithFormatting(obj: any): string {
+ const jsonReplacer: null = null;
+ const numberOfJsonSpaces = 4;
+ const stringifiedObj = JSON.stringify(obj, jsonReplacer, numberOfJsonSpaces);
+ return stringifiedObj;
+ },
+};