Build anything on RealiaX.

# 1. all markets
curl https://commodities.gocube.org/api/v2/commodity/series

# 2. order book + candles
curl "https://commodities.gocube.org/api/v2/commodity/markets/egotv55usdt/orderbook"
curl "https://commodities.gocube.org/api/v2/commodity/ohlcv?symbol=egotv55usdt&interval=1h&limit=100"

X-API-Key: cdx_live_xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx

const BASE = "https://commodities.gocube.org/api/v2/commodity";
const H = { "content-type": "application/json", "X-API-Key": process.env.REALIAX_KEY };
const SYMBOL = "egotv55usdt";
const SPREAD = 0.002, SIZE = "0.5";              // 20 bps each side
const j = (u, o) => fetch(BASE + u, o).then(r => r.json());

async function tick() {
  const m = (await j("/series")).find(x => x.symbol === SYMBOL);
  const ref = parseFloat(m.last) || parseFloat(m.oracle);
  if (!ref) return;

  const open = await j("/orders", { headers: H });               // clear our quotes
  await Promise.all(open.map(o =>
    fetch(`${BASE}/orders/${o.id}/cancel`, { method: "POST", headers: H })));

  const bid = (ref * (1 - SPREAD)).toFixed(4);                    // re-quote both sides
  const ask = (ref * (1 + SPREAD)).toFixed(4);
  for (const [side, price] of [["buy", bid], ["sell", ask]])
    await fetch(BASE + "/orders", { method: "POST", headers: H,
      body: JSON.stringify({ symbol: SYMBOL, side, type: "limit", price, volume: SIZE }) });
  console.log("quoted", bid, "/", ask);
}
setInterval(tick, 5000);