Major updates

Author: VoxHash

README.md

@@ -1098,3 +1098,19 @@ This project is licensed under the Elastic License 2.0 - see the [LICENSE](LICEN
 ---
 
 Made with ❤️ by the LicenseChain team
+
+## LicenseChain API (v1)
+
+This SDK targets the **LicenseChain HTTP API v1** implemented by the open-source API service.
+
+- **Production base URL:** https://api.licensechain.app/v1
+- **API repository (source of routes & behavior):** https://github.com/LicenseChain/api
+- **Baseline REST mapping (documented for integrators):**
+  - GET /health
+  - POST /auth/register
+  - POST /licenses/verify
+  - PATCH /licenses/:id/revoke
+  - PATCH /licenses/:id/activate
+  - PATCH /licenses/:id/extend
+  - GET /analytics/stats
+

licensechain/client.py

@@ -6,6 +6,9 @@
 
 import asyncio
 import json
+import hashlib
+import platform
+import socket
 from typing import Any, Dict, List, Optional, Union
 from urllib.parse import urlencode
 
@@ -455,8 +458,14 @@ async def validate_license(
             payload["app_id"] = app_id
         if hwuid and hwuid.strip():
             payload["hwuid"] = hwuid.strip()
+        else:
+            payload["hwuid"] = self._default_hwuid()
         return await self._post("/licenses/verify", payload)
 
+    def _default_hwuid(self) -> str:
+        raw = f"{socket.gethostname()}|{platform.system()}|{platform.machine()}|{platform.version()}"
+        return hashlib.sha256(raw.encode("utf-8")).hexdigest()
+
     async def revoke_license(
         self, license_id: str, reason: Optional[str] = None
     ) -> Dict[str, Any]:

licensechain/services/license_service.py

@@ -1,4 +1,7 @@
 from typing import Any, Dict, List, Optional
+import hashlib
+import platform
+import socket
 
 from ..exceptions import ValidationError
 from ..utils import validate_uuid, validate_not_empty, sanitize_metadata, validate_pagination
@@ -56,6 +59,9 @@ def validate(self, license_key: str, hwuid: Optional[str] = None) -> bool:
         payload: Dict[str, Any] = {'key': license_key}
         if hwuid and hwuid.strip():
             payload['hwuid'] = hwuid.strip()
+        else:
+            raw = f"{socket.gethostname()}|{platform.system()}|{platform.machine()}|{platform.version()}"
+            payload['hwuid'] = hashlib.sha256(raw.encode("utf-8")).hexdigest()
         response = self.api_client.post('/licenses/verify', payload)
         return response.get('valid', False)