import WebSocket from 'ws'; // const ws = new WebSocket('wss://dlob.drift.trade/ws'); const ws = new WebSocket('http://localhost:3000/ws'); import { sleep } from '../src/utils/utils'; ws.on('open', async () => { console.log('Connected to the server'); // Subscribe and unsubscribe to orderbook channels ws.send(JSON.stringify({ type: 'subscribe', marketType: 'perp', channel: 'orderbook', market: 'SOL-PERP' })); ws.send(JSON.stringify({ type: 'subscribe', marketType: 'perp', channel: 'orderbook', market: 'INJ-PERP' })); ws.send(JSON.stringify({ type: 'subscribe', marketType: 'perp', channel: 'orderbook', market: 'BTC-PERP' })); ws.send(JSON.stringify({ type: 'subscribe', marketType: 'spot', channel: 'orderbook', market: 'SOL' })); await sleep(5000); // ws.send(JSON.stringify({ type: 'unsubscribe', marketType: 'perp', channel: 'orderbook', market: 'SOL-PERP' })); console.log("####################"); // Subscribe to trades data ws.send(JSON.stringify({ type: 'subscribe', marketType: 'perp', channel: 'trades', market: 'SOL-PERP' })); ws.send(JSON.stringify({ type: 'subscribe', marketType: 'spot', channel: 'trades', market: 'SOL' })); await sleep(5000); // ws.send(JSON.stringify({ type: 'unsubscribe', marketType: 'perp', channel: 'trades', market: 'SOL-PERP' })); console.log("####################"); }); ws.on('message', (data: WebSocket.Data) => { try { const message = JSON.parse(data.toString()); if (!message.channel) { console.log(`Received data: ${JSON.stringify(message)}`); return; } console.log(`Received data from channel: ${JSON.stringify(message.channel)}`); // book and trades data is in message.data } catch (e) { console.error('Invalid message:', data); } }); ws.on('close', () => { console.log('Disconnected from the server'); }); ws.on('error', (error: Error) => { console.error('WebSocket error:', error); });