From 94530d7522c82e3acbb7c2077b92c766bbbc3b6f Mon Sep 17 00:00:00 2001
From: emergent-agent-e1 <github@emergent.sh>
Date: Sat, 8 Nov 2025 11:14:03 +0000
Subject: [PATCH] auto-commit for b2a2e76f-d615-4f17-88c0-a5009a102312

---
 backend/server.py | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/backend/server.py b/backend/server.py
index 4421c499..04d5c8a4 100644
--- a/backend/server.py
+++ b/backend/server.py
@@ -9,6 +9,7 @@ from pydantic import BaseModel, Field
 from typing import List, Optional, Dict, Any
 import uuid
 from datetime import datetime
+from substrateinterface import SubstrateInterface
 
 
 ROOT_DIR = Path(__file__).parent
@@ -22,6 +23,20 @@ db = client[os.environ['DB_NAME']]
 # Polkadot RPC endpoint (Local Development Node)
 POLKADOT_RPC = "ws://127.0.0.1:9944"
 
+# Initialize Substrate connection
+substrate = None
+
+def get_substrate():
+    global substrate
+    if substrate is None:
+        try:
+            substrate = SubstrateInterface(url=POLKADOT_RPC)
+            logger.info(f"✅ Connected to blockchain: {substrate.chain}, {substrate.name}")
+        except Exception as e:
+            logger.error(f"❌ Failed to connect to blockchain: {e}")
+            substrate = None
+    return substrate
+
 # Create the main app without a prefix
 app = FastAPI()