@chainreactionom/nano-mcp/nano-mcp/test-mcp-init.js

NANO cryptocurrency wallet implementation for MCP with comprehensive testing

import { spawn } from 'child_process';
import { fileURLToPath } from 'url';
import { dirname, join } from 'path';

// Get the current file's directory
const __filename = fileURLToPath(import.meta.url);
const __dirname = dirname(__filename);

// Path to the built MCP server
const MCP_SERVER_PATH = join(__dirname, 'dist', 'index.js');

// Create a promise-based delay function
const delay = ms => new Promise(resolve => setTimeout(resolve, ms));

async function main() {
  // Spawn the MCP server as a child process
  const serverProcess = spawn('node', [MCP_SERVER_PATH], {
    stdio: ['pipe', 'pipe', 'inherit']
  });

  // Buffer to store incomplete JSON data
  let buffer = '';

  // Handle server responses
  serverProcess.stdout.on('data', (data) => {
    buffer += data.toString();
    
    // Try to parse complete JSON objects
    let newlineIndex;
    while ((newlineIndex = buffer.indexOf('\n')) !== -1) {
      const line = buffer.slice(0, newlineIndex).trim();
      buffer = buffer.slice(newlineIndex + 1);
      
      if (line) {
        try {
          const response = JSON.parse(line);
          console.log('Server Response:', JSON.stringify(response, null, 2));
        } catch (e) {
          console.log('Server Output:', line);
        }
      }
    }
  });

  try {
    // Wait for server to start
    await delay(1000);

    // Initialize connection
    console.log('\nSending initialize request...');
    const initializeRequest = {
      jsonrpc: '2.0',
      id: 1,
      method: 'initialize',
      params: {
        protocolVersion: '2025-03-26',
        clientInfo: {
          name: 'nano-mcp-test',
          version: '1.0.0'
        },
        capabilities: {
          tools: {}
        }
      }
    };
    serverProcess.stdin.write(JSON.stringify(initializeRequest) + '\n');

    // Wait for response
    await delay(1000);

    // Send listTools request
    console.log('\nSending listTools request...');
    const listToolsRequest = {
      jsonrpc: '2.0',
      id: 2,
      method: 'listTools'
    };
    serverProcess.stdin.write(JSON.stringify(listToolsRequest) + '\n');

    // Wait for response
    await delay(1000);

    // Test nano_account_balance tool
    console.log('\nTesting nano_account_balance tool...');
    const balanceRequest = {
      jsonrpc: '2.0',
      id: 3,
      method: 'callTool',
      params: {
        name: 'nano_account_balance',
        arguments: {
          account: 'nano_3t6k35gi95xu6tergt6p69ck76ogmitsa8mnijtpxm9fkcm736xtoncuohr3',
          unit: 'NANO'
        }
      }
    };
    serverProcess.stdin.write(JSON.stringify(balanceRequest) + '\n');

    // Wait for response
    await delay(2000);

  } catch (error) {
    console.error('Error:', error);
  } finally {
    // Cleanup
    serverProcess.kill();
    process.exit();
  }
}

// Handle process termination
process.on('SIGINT', () => {
  process.exit();
});

// Run the test
main().catch(console.error);