GX Core Tools

# Markets
GET /v4/markets
 
# Orderbook
GET /v4/orderbook?market=BTC-USD&depth=20
 
# Recent trades
GET /v4/trades?market=BTC-USD&limit=100
 
# Candles
GET /v4/candles?market=BTC-USD&interval=1h&limit=500
 
# Funding rates
GET /v4/funding?market=BTC-USD
 
# Open interest
GET /v4/openInterest?market=BTC-USD

# Place order
POST /v4/order
{
  "market": "BTC-USD",
  "side": "buy",
  "type": "limit",
  "price": "67400.00",
  "size": "0.1",
  "timeInForce": "GTC",
  "signature": "0x..."
}
 
# Cancel order
DELETE /v4/order?orderId=12345&signature=0x...
 
# Account positions
GET /v4/account?address=0x...&signature=0x...
 
# Order history
GET /v4/orders?address=0x...&signature=0x...

const ws = new WebSocket("wss://ws.gx.exchange");
 
// Subscribe to L2 orderbook
ws.send(JSON.stringify({
  method: "subscribe",
  subscription: { type: "l2Book", coin: "BTC" }
}));
 
// Subscribe to trades
ws.send(JSON.stringify({
  method: "subscribe",
  subscription: { type: "trades", coin: "BTC" }
}));
 
// Subscribe to candles
ws.send(JSON.stringify({
  method: "subscribe",
  subscription: { type: "candle", coin: "BTC", interval: "1m" }
}));
 
// Subscribe to user fills (requires auth)
ws.send(JSON.stringify({
  method: "subscribe",
  subscription: { type: "userFills", user: "0x..." }
}));

const domain = {
  name: "GXExchange",
  version: "1",
  chainId: 42069,
};
 
const types = {
  Order: [
    { name: "market", type: "string" },
    { name: "side", type: "string" },
    { name: "price", type: "string" },
    { name: "size", type: "string" },
    { name: "nonce", type: "uint256" },
    { name: "expiry", type: "uint256" },
  ],
};
 
const signature = await wallet._signTypedData(domain, types, order);