@ethereum-sourcify/compilers
Version:
Wrapper around multiple compilers to download the right version and invoke the compilation with a common interface.
149 lines • 11.7 kB
JavaScript
;
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.findVyperPlatform = findVyperPlatform;
exports.useVyperCompiler = useVyperCompiler;
exports.getVyperExecutable = getVyperExecutable;
// TODO: Handle nodejs only dependencies
const path_1 = __importDefault(require("path"));
const fs_1 = __importDefault(require("fs"));
const child_process_1 = require("child_process");
const common_1 = require("./common");
const logger_1 = require("../logger");
const HOST_VYPER_REPO = 'https://github.com/vyperlang/vyper/releases/download/';
function findVyperPlatform() {
if (process.platform === 'darwin' &&
(process.arch === 'x64' || process.arch === 'arm64')) {
return 'darwin';
}
if (process.platform === 'linux' && process.arch === 'x64') {
return 'linux';
}
if (process.platform === 'win32' && process.arch === 'x64') {
return 'windows.exe';
}
return false;
}
/**
* Searches for a vyper compiler: first for a local executable version, then from HOST_VYPER_REPO
* Once the compiler is retrieved, it is used, and the stringified vyper output is returned.
*
* @param version the version of vyper to be used for compilation
* @param input a JSON object of the standard-json format compatible with vyper
* @param log the logger
* @returns stringified vyper output
*/
async function useVyperCompiler(vyperRepoPath, version, vyperJsonInput) {
var _a;
const vyperPlatform = findVyperPlatform();
if (!vyperPlatform) {
throw new Error('Vyper is not supported on this machine.');
}
const vyperPath = await getVyperExecutable(vyperRepoPath, vyperPlatform, version);
let compiled;
const inputStringified = JSON.stringify(vyperJsonInput);
const startCompilation = Date.now();
try {
compiled = await (0, common_1.asyncExec)(`${vyperPath} --standard-json`, inputStringified, 250 * 1024 * 1024);
}
catch (error) {
if ((error === null || error === void 0 ? void 0 : error.code) === 'ENOBUFS') {
throw new Error('Compilation output size too large');
}
(0, logger_1.logWarn)(error.message);
throw error;
}
const endCompilation = Date.now();
(0, logger_1.logInfo)('Local compiler - Compilation done', {
compiler: 'vyper',
timeInMs: endCompilation - startCompilation,
});
if (!compiled) {
throw new Error('Compilation failed. No output from the compiler.');
}
const compiledJSON = JSON.parse(compiled);
const errorMessages = (_a = compiledJSON === null || compiledJSON === void 0 ? void 0 : compiledJSON.errors) === null || _a === void 0 ? void 0 : _a.filter((e) => e.severity === 'error');
if (errorMessages && errorMessages.length > 0) {
(0, logger_1.logError)('Compiler error', {
errorMessages,
});
throw new common_1.CompilerError('Compiler error', errorMessages);
}
return compiledJSON;
}
async function getVyperExecutable(vyperRepoPath, platform, version) {
const fileName = `vyper.${version}.${platform}`;
const vyperPath = path_1.default.join(vyperRepoPath, fileName);
if (validateVyperPath(vyperPath)) {
return vyperPath;
}
await fetchAndSaveVyper(platform, vyperPath, version, fileName);
// Validate the vyper path
if (!validateVyperPath(vyperPath)) {
throw new Error(`Vyper not found. Maybe an incorrect version was provided. ${vyperPath} - ${version} - ${platform}`);
}
return vyperPath;
}
function validateVyperPath(vyperPath) {
var _a;
if (!fs_1.default.existsSync(vyperPath)) {
(0, logger_1.logDebug)('Vyper binary not found', {
vyperPath,
});
return false;
}
// TODO: Handle nodejs only dependencies
const spawned = (0, child_process_1.spawnSync)(vyperPath, ['--version']);
if (spawned.status === 0) {
(0, logger_1.logDebug)('Found vyper binary', {
vyperPath,
});
return true;
}
const error = ((_a = spawned === null || spawned === void 0 ? void 0 : spawned.error) === null || _a === void 0 ? void 0 : _a.message) ||
spawned.stderr.toString() ||
'Error running vyper, are you on the right platform? (e.g. x64 vs arm)';
(0, logger_1.logWarn)(error);
return false;
}
/**
* Fetches a vyper binary and saves it to the given path.
*/
async function fetchAndSaveVyper(platform, vyperPath, version, fileName) {
const encodedURIFilename = encodeURIComponent(fileName);
const versionWithoutCommit = version.split('+')[0];
const githubVyperURI = `${HOST_VYPER_REPO}v${versionWithoutCommit}/${encodedURIFilename}`;
(0, logger_1.logDebug)('Fetching vyper', {
version,
platform,
vyperPath,
githubVyperURI,
});
const res = await (0, common_1.fetchWithBackoff)(githubVyperURI);
const status = res.status;
const buffer = await res.arrayBuffer();
if (status === 200 && buffer) {
(0, logger_1.logDebug)('Fetched vyper', { version, platform, vyperPath });
fs_1.default.mkdirSync(path_1.default.dirname(vyperPath), { recursive: true });
try {
fs_1.default.unlinkSync(vyperPath);
}
catch (_e) {
undefined;
}
fs_1.default.writeFileSync(vyperPath, new DataView(buffer), { mode: 0o755 });
return;
}
else {
(0, logger_1.logError)('Failed fetching vyper', {
version,
platform,
vyperPath,
githubVyperURI,
});
throw new Error(`Failed fetching vyper ${version} for platform ${platform}. Please check if the version is valid.`);
}
}
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