diff --git a/crypto/sol/modules/storage.py b/crypto/sol/modules/storage.py
index 2003934..ae4aaaf 100644
--- a/crypto/sol/modules/storage.py
+++ b/crypto/sol/modules/storage.py
@@ -37,6 +37,7 @@ async def init_db():
                 buy_value REAL,
                 closed BOOLEAN DEFAULT 0,
                 details TEXT,
+                solana_signature TEXT UNIQUE,
                 FOREIGN KEY (wallet_id) REFERENCES wallets(id)
             );
 
@@ -71,14 +72,68 @@ async def init_db():
         """)
         await db.commit()
 
-async def store_transaction(wallet_id, transaction_type, sell_currency, sell_amount, sell_value, buy_currency, buy_amount, buy_value, details=None):
+async def store_transaction(wallet_id, transaction_type, sell_currency, sell_amount, sell_value, buy_currency, buy_amount, buy_value, solana_signature, details=None):
     async with aiosqlite.connect(DATABASE_FILE) as db:
         await db.execute("""
-            INSERT INTO transactions (wallet_id, timestamp, type, sell_currency, sell_amount, sell_value, buy_currency, buy_amount, buy_value, details)
-            VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?)
-        """, (wallet_id, datetime.now().isoformat(), transaction_type, sell_currency, sell_amount, sell_value, buy_currency, buy_amount, buy_value, json.dumps(details or {})))
+            INSERT INTO transactions (wallet_id, timestamp, type, sell_currency, sell_amount, sell_value, buy_currency, buy_amount, buy_value, solana_signature, details)
+            VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)
+        """, (wallet_id, datetime.now().isoformat(), transaction_type, sell_currency, sell_amount, sell_value, buy_currency, buy_amount, buy_value, solana_signature, json.dumps(details or {})))
         await db.commit()
 
+# async def get_new_transactions(wallet_address, rpc_url):
+#     async with AsyncClient(rpc_url) as client:
+#         last_tx = await get_last_stored_transaction(wallet_address)
+        
+#         if last_tx:
+#             last_signature, last_timestamp = last_tx
+#         else:
+#             # If no transactions are stored, we'll fetch all transactions
+#             last_signature = None
+#             last_timestamp = None
+
+#         new_transactions = []
+        
+#         # Get the transaction history for the wallet
+#         tx_history = await client.get_signatures_for_address(wallet_address, before=last_signature)
+
+#         for tx in tx_history.value:
+#             # Check if the transaction is newer than the last stored one
+#             if not last_timestamp or tx.block_time > datetime.fromisoformat(last_timestamp).timestamp():
+#                 # Fetch the full transaction details
+#                 tx_details = await client.get_transaction(tx.signature, commitment=Confirmed)
+#                 new_transactions.append(tx_details)
+
+#         return new_transactions
+
+# async def process_new_transactions(wallet_id, wallet_address, rpc_url):
+#     new_transactions = await get_new_transactions(wallet_address, rpc_url)
+    
+#     for tx in new_transactions:
+#         # Process the transaction and extract relevant information
+#         # This is a placeholder - you'll need to implement the actual logic based on your requirements
+#         transaction_type = "swap"  # Determine the type based on the transaction data
+#         sell_currency = "SOL"  # Extract from transaction data
+#         sell_amount = 1.0  # Extract from transaction data
+#         sell_value = 100.0  # Extract from transaction data
+#         buy_currency = "USDC"  # Extract from transaction data
+#         buy_amount = 100.0  # Extract from transaction data
+#         buy_value = 100.0  # Extract from transaction data
+#         solana_signature = tx.transaction.signatures[0]
+        
+#         # Store the transaction in the database
+#         await store_transaction(
+#             wallet_id, transaction_type, sell_currency, sell_amount, sell_value,
+#             buy_currency, buy_amount, buy_value, solana_signature
+#         )
+        
+#         # Update holdings
+#         await update_holdings(wallet_id, sell_currency, -sell_amount)
+#         await update_holdings(wallet_id, buy_currency, buy_amount)
+    
+#     # After processing all new transactions, close completed transactions
+#     await close_completed_transactions(wallet_id)
+
+
 async def update_holdings(wallet_id, currency, amount_change):
     async with aiosqlite.connect(DATABASE_FILE) as db:
         cursor = await db.execute("SELECT amount FROM holdings WHERE wallet_id = ? AND currency = ?", (wallet_id, currency))