Cryptographic proof of node health

[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "payTo": "0xbb967F16C7f3e9B4c1626680684445d41dBE44Ab",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "10000",
    "maxTimeoutSeconds": 300
  },
  {
    "scheme": "exact",
    "network": "hedera:testnet",
    "payTo": "0.0.10366686",
    "asset": "0.0.0",
    "amount": "1000000",
    "maxTimeoutSeconds": 300
  }
]

{
  "bazaar": {
    "info": {
      "input": {
        "method": "GET",
        "type": "http"
      },
      "output": {
        "example": {
          "node": {
            "ebpf": {
              "banned_ips": 3,
              "lsm_guard": false,
              "xdp_shield": true
            },
            "health": "operational",
            "layers_passed": "11000111",
            "threat_score": 0.05,
            "trust_ratio": 0.998,
            "uptime_s": 86400,
            "version": "5.4.0"
          },
          "proof": {
            "commitment": "c334f6106a1e6e184111607dcfb657e897bebad20d552fad3c2798112cc65ad0",
            "ip_hash": "12ca17b49af22894",
            "layersBitmap": 134,
            "salt": "6e0b46994d858b1488f495166a43e70c",
            "ts": 1725188400000,
            "version": 1
          }
        },
        "type": "json"
      }
    },
    "schema": {
      "$schema": "https://json-schema.org/draft/2020-12/schema",
      "properties": {
        "input": {
          "additionalProperties": false,
          "properties": {
            "method": {
              "enum": [
                "GET",
                "HEAD",
                "DELETE"
              ],
              "type": "string"
            },
            "queryParams": {
              "properties": {},
              "type": "object"
            },
            "type": {
              "const": "http",
              "type": "string"
            }
          },
          "required": [
            "type",
            "method"
          ],
          "type": "object"
        },
        "output": {
          "properties": {
            "example": {
              "properties": {
                "node": {
                  "description": "Node health: status, uptime, version, 8-layer security bitmap, trust ratio, eBPF XDP/LSM status",
                  "type": "object"
                },
                "proof": {
                  "description": "HMAC-SHA256 commitment over health metrics. Verifiable without revealing raw values. Includes salt, layer bitmap, timestamp, IP hash",
                  "type": "object"
                }
              },
              "type": "object"
            },
            "type": {
              "type": "string"
            }
          },
          "required": [
            "type"
          ],
          "type": "object"
        }
      },
      "required": [
        "input"
      ],
      "type": "object"
    }
  }
}

curl "https://rtt.phoenix-ai.work/api/v1/health-proof"
# -> 402 Payment Required, accepts[] lists how to pay
# retry with a PAYMENT-SIGNATURE (or PAYMENT header) once paid

const res = await fetch("https://rtt.phoenix-ai.work/api/v1/health-proof");
if (res.status === 402) {
  const { accepts } = await res.json();
  // pay one of accepts[] via an x402 client, then retry with the payment header
}

import httpx
res = httpx.get("https://rtt.phoenix-ai.work/api/v1/health-proof")
if res.status_code == 402:
    accepts = res.json()["accepts"]
    # pay one of accepts[] via an x402 client, then retry with the payment header