OpenZeppelin Contracts MCP Server

import test from 'ava'; import { exec } from 'child_process'; import { promisify } from 'util'; import { mkdtemp, rm, writeFile } from 'fs/promises'; import { tmpdir } from 'os'; import { join } from 'path'; const execAsync = promisify(exec); async function packPackage(packageRoot: string): Promise<string> { const { stdout: packOutput } = await execAsync('npm pack', { cwd: packageRoot }); // npm pack outputs the filename as the last line const lines = packOutput.trim().split('\n'); const packedFile = lines[lines.length - 1]?.trim(); if (!packedFile) { throw new Error('Failed to get packed filename from npm pack output'); } return join(packageRoot, packedFile); } test('packed package can be installed and imported', async t => { const packageRoot = join(__dirname, '..'); const tempDir = await mkdtemp(join(tmpdir(), 'wizard-package-test-')); try { // Pack the package const packedPath = await packPackage(packageRoot); try { // Create a test project in temp directory await execAsync('npm init -y', { cwd: tempDir }); // Install the packed package await execAsync(`npm install "${packedPath}"`, { cwd: tempDir }); // Test that the package can be imported const testScript = `const { erc20 } = require('@openzeppelin/wizard'); console.log('SUCCESS'); `; const testScriptPath = join(tempDir, 'test.js'); await writeFile(testScriptPath, testScript); const { stdout } = await execAsync('node test.js', { cwd: tempDir }); t.true(stdout.includes('SUCCESS')); } finally { // Clean up the packed file await rm(packedPath, { force: true }); } } finally { // Clean up temp directory await rm(tempDir, { recursive: true, force: true }); } });