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updated exmaple and last update bug fix #22

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merged 1 commit into from
Nov 17, 2023
Merged

updated exmaple and last update bug fix #22

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26 changes: 19 additions & 7 deletions example/wsClient.ts
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Original file line number Diff line number Diff line change
@@ -1,23 +1,35 @@
import WebSocket from 'ws';
const ws = new WebSocket('wss://master.dlob.drift.trade/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');
ws.send(JSON.stringify({ type: 'subscribe', channel: 'SOL-PERP' }));
ws.send(JSON.stringify({ type: 'subscribe', channel: 'LINK-PERP' }));
ws.send(JSON.stringify({ type: 'subscribe', channel: 'INJ-PERP' }));

// 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', channel: 'SOL-PERP' }));
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 market ${message.channel}`);
// book data is in message.data
console.log(`Received data from channel: ${JSON.stringify(message.channel)}`);
// book and trades data is in message.data
} catch (e) {
console.error('Invalid message:', data);
}
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4 changes: 3 additions & 1 deletion src/wsConnectionManager.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -159,7 +159,9 @@ async function main() {
`last_update_${redisChannel}`
);
if (lastMessage !== null) {
ws.send(JSON.stringify({ redisChannel, data: lastMessage }));
ws.send(
JSON.stringify({ channel: redisChannel, data: lastMessage })
);
}
}
break;
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