@thorium-dev-group/x402-mcp-extension/dist/examples/client/client.js

X402-MCP Protocol Extension

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.testClientServerCommunication = testClientServerCommunication;
const streamableHttp_js_1 = require("@modelcontextprotocol/sdk/client/streamableHttp.js");
const X402MCPClient_1 = require("../../client/X402MCPClient");
const x402PKWalletProvider_1 = require("../../client/x402PKWalletProvider");
const accounts_1 = require("viem/accounts");
const InMemoryStorage_1 = require("../../shared/services/InMemoryStorage");
async function testClientServerCommunication() {
    console.log('🚀 Starting X402 MCP Client Test');
    const privateKey = (0, accounts_1.generatePrivateKey)();
    const viemWalletProvider = new x402PKWalletProvider_1.X402PKWalletProvider(privateKey);
    const client = new X402MCPClient_1.X402MCPClient({
        name: 'test-x402-client',
        version: '1.0.0',
        wallet: viemWalletProvider,
        auditStorage: InMemoryStorage_1.InMemoryStorage.getInstance(),
        guardrails: {
            maxPaymentPerCall: 0.001,
        },
    });
    const transport = new streamableHttp_js_1.StreamableHTTPClientTransport(new URL('http://localhost:3000/mcp'));
    await client.connect(transport);
    console.log('✅ Client connected to server');
    console.log('✅ Session ID:', transport.sessionId);
    try {
        console.log('\n📋 Test 1: Free calculator (no payment required)');
        const freeResult = await client.callTool({
            name: 'free-calculator',
            arguments: { operation: 'add', a: 5, b: 3 }
        });
        console.log('✅ Free calculator result:', freeResult);
        console.log('\n📋 Test 2: Paid calculator (payment required)');
        try {
            const paidResult = await client.callTool({
                name: 'add-numbers',
                arguments: { a: 10, b: 20 }
            });
            console.log('✅ Paid calculator result:', paidResult);
        }
        catch (error) {
            console.log('❌ Expected payment error:', error.message);
        }
        console.log('\n📋 Test 3: Multiply numbers (higher payment)');
        try {
            const multiplyResult = await client.callTool({
                name: 'multiply-numbers',
                arguments: { a: 7, b: 8 }
            });
            console.log('✅ Multiply result:', multiplyResult);
        }
        catch (error) {
            console.log('❌ Expected payment error:', error.message);
        }
        console.log('\n📋 Test 4: List available tools');
        const toolsResult = await client.listTools({});
        console.log('✅ Available tools:', JSON.stringify(toolsResult, null, 2));
    }
    catch (error) {
        console.error('❌ Test failed:', error);
    }
    finally {
        await transport.close();
        console.log('✅ Client disconnected');
    }
}
if (require.main === module) {
    testClientServerCommunication().catch(console.error);
}
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