Animica · Qrng Draw

import { wrapFetchWithPayment } from "@x402/fetch";
import { privateKeyToAccount } from "viem/accounts";

const account = privateKeyToAccount(process.env.PRIVATE_KEY);
const fetchWithPay = wrapFetchWithPayment(fetch, account);

const res = await fetchWithPay("https://animica.dev/x402/qrng/draw", {
  method: "GET",
});
const data = await res.json();

curl -X GET \
  "https://animica.dev/x402/qrng/draw?bytes=32" \
  -H "X-PAYMENT: <signed x402 payment>"

{
  "attestation": {
    "alg": "ed25519",
    "attested": false,
    "backend": "software",
    "digest_hex": "ae7686343e9459d0ddaabb3b80cbdb9d28599eec501ffefe4736b60355f8bf29",
    "public_key_hex": "8a2228f4bde8f72964a7ff4aa759f24932ae1cccd9462ad94ca6e508d6b87a64",
    "signature_hex": "cb219cdb424f395b664076ee57cae6a1245544b53306d35860de4a689ff410dc79d27ffbcfaa927268db47da2c155e06bf0eaf2d838083f81ad1450c1a7cb904"
  },
  "bytes": 32,
  "encoding": "hex",
  "health": {
    "min_entropy_per_byte": 7.8106,
    "passed": true
  },
  "product": "qrng",
  "randomness": "6950d0ba85a3c0a03b193a50e998c6c6b16b53447d0e0ccb68e2a5722ac526ea",
  "source": {
    "attested": false,
    "device_path": null,
    "is_hardware": false,
    "is_quantum": false,
    "model": "os.urandom CSPRNG",
    "name": "software-fallback",
    "notes": "non-attested fallback for testing/degraded mode",
    "vendor": "os"
  },
  "verification": {
    "attested": false,
    "method": "signed-digest-attestation",
    "rules": [
      "attestation.digest_hex == sha3_256(bytes(randomness))",
      "ed25519_verify(pubkey=attestation.public_key_hex, message=raw_bytes(attestation.digest_hex), signature=attestation.signature_hex)"
    ],
    "trust_model": "signed by the serving node, not client-recomputable: you trust the node's entropy source, then verify it signed exactly these bytes. Check health.passed and attestation.attested before relying on it.",
    "verifier": "randomness/beacon_api/static/verify.js in the animica repo (gitlab.com/Animica) — dependency-free Node module exporting sha3_256; pair with any ed25519 verifier"
  }
}