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app.py

@@ -274,13 +274,19 @@ def perform_seeding(db: Session):
         # Use deterministic UUID based on asset_id so links don't break on restart
         uid = str(uuid.uuid5(namespace, a["id"]))
         
+        # Add dummy blockchain data for "Certified" assets
+        nft_hash = f"0x{uuid.uuid4().hex}" if a["stage"] == "Certified" else None
+        explorer_url = f"https://etherscan.io/tx/{nft_hash}" if nft_hash else None
+
         new_asset = Asset(
             id=uid, owner_id=owner, project_name=a["name"],
             asset_id=a["id"], location=f"Lab Bay {random.randint(1, 20)}", capacity=100.0,
             bms_provider="ZenVolt Native", category=json.dumps(["Grid-Scale"]),
             project_stage=a["stage"], health_score=a["health"], 
             remaining_life=round(a["health"]/20, 1), degradation_rate=2.1, 
-            confidence=0.94, is_online=1, created_at=datetime.utcnow()
+            confidence=0.94, is_online=1, created_at=datetime.utcnow(),
+            nft_hash=nft_hash, block_explorer_url=explorer_url,
+            nft_mint_date=datetime.utcnow() if nft_hash else None
         )
         db.add(new_asset)