UMA history (REST)

import { createHash, createHmac } from "node:crypto";

const key = process.env.BRAVADO_API_KEY;
const secret = process.env.BRAVADO_API_SECRET;
if (!key || !secret) throw new Error("Set BRAVADO_API_KEY and BRAVADO_API_SECRET");

const url = new URL("https://partner-api.bravadotrade.com/uma/history/recent");
url.searchParams.set("stage", "settled");
url.searchParams.set("limit", "1");
url.searchParams.sort();
const timestamp = String(Date.now());
const requestTarget = url.pathname + url.search;
const bodyHash = createHash("sha256").update("").digest("hex");
const payload = [timestamp, "GET", requestTarget, bodyHash].join("\n");
const response = await fetch(url, {
  headers: {
    "X-Bravado-API-Key": key,
    "X-Bravado-Timestamp": timestamp,
    "X-Bravado-Signature": createHmac("sha256", secret).update(payload).digest("hex"),
  },
});
console.log("HTTP", response.status);
console.log(await response.json());

{
  "condition_id": "0x…",
  "question_id": null,
  "resolution_source": "unknown",
  "reason": "no_oo_request_found",
  "searched_from_ms": 1792000000000,
  "searched_to_ms": 1792600000000
}