Withdrawals

async function waitForWithdrawal(withdrawalId, signRequest) {
  const delays = [
    5_000, 10_000, 20_000, 40_000, 80_000, 160_000, 300_000, 300_000, 300_000,
  ];
  const url = `https://api.openfx.com/v3/fx/withdrawals/${withdrawalId}`;
  for (let i = 0; i <= delays.length; i++) {
    const signed = signRequest({ method: "GET", url });
    const res = await fetch(url, { headers: signed.headers });
    const w = await res.json();
    if (w.data?.status === "COMPLETED") return w;
    if (w.data?.status === "CANCELLED") {
      throw new Error(`Withdrawal ${withdrawalId} was CANCELLED.`);
    }
    // Sleep only between polls, never after the last one.
    if (i < delays.length) {
      await new Promise((r) => setTimeout(r, delays[i]));
    }
  }
  throw new Error(
    "Withdrawal not COMPLETED after backoff exhausted; consider webhook delivery.",
  );
}

curl https://api.openfx.com/v3/fx/withdrawals/<uuid> \
  -H "Authorization: Bearer $OPENFX_JWT" \
  -H "X-Request-Signature: $OPENFX_SIGNATURE"