Files
trade-drift-dlob/example/wsClient.ts
2023-11-17 14:19:00 -08:00

45 lines
1.7 KiB
TypeScript

import WebSocket from 'ws';
const ws = new WebSocket('wss://dlob.drift.trade/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());
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);
});