[
  {
    "id": "trade_123456",
    "price": "2500.25",
    "qty": "1.5",
    "time": 1640995200000,
    "isBuyerMaker": false,
    "isBestMatch": true
  },
  {
    "id": "trade_123455",
    "price": "2499.80",
    "qty": "0.8",
    "time": 1640995180000,
    "isBuyerMaker": true,
    "isBestMatch": true
  }
]

[
  [
    1640995200000,    // Open time
    "2450.00",        // Open price
    "2510.00",        // High price
    "2440.00",        // Low price
    "2500.25",        // Close price
    "1500.75",        // Volume (base asset)
    1640998800000,    // Close time
    "3712500.00",     // Quote asset volume
    1250,             // Number of trades
    "750.50",         // Taker buy base asset volume
    "1856250.00",     // Taker buy quote asset volume
    "0"               // Unused field
  ]
]

// Calculate 24h volume from hourly klines
const hourlyKlines = await fetch(
  'https://api.gtxdex.xyz/api/kline?symbol=ETHUSDC&interval=1h&limit=24'
).then(r => r.json());

const volume24h = hourlyKlines.reduce((sum, kline) => {
  return sum + parseFloat(kline[5]); // Volume is at index 5
}, 0);

// Calculate price change from kline data
const klines = await fetch(
  'https://api.gtxdex.xyz/api/kline?symbol=ETHUSDC&interval=1d&limit=2'
).then(r => r.json());

if (klines.length >= 2) {
  const currentPrice = parseFloat(klines[1][4]); // Close price
  const previousPrice = parseFloat(klines[0][4]);
  const priceChange = ((currentPrice - previousPrice) / previousPrice) * 100;
  console.log(`Price change: ${priceChange.toFixed(2)}%`);
}

const ws = new WebSocket('wss://ws.gtxdex.xyz');

// Subscribe to trade updates
ws.send(JSON.stringify({
  method: 'SUBSCRIBE',
  params: ['ETHUSDC@trade'],
  id: 1
}));

ws.onmessage = (event) => {
  const data = JSON.parse(event.data);
  if (data.stream === 'ETHUSDC@trade') {
    console.log('New trade:', data.data);
  }
};