diff --git a/app/api/middleware.py b/app/api/middleware.py
index 5e3d6b5..2574df5 100644
--- a/app/api/middleware.py
+++ b/app/api/middleware.py
@@ -75,6 +75,16 @@ async def try_authorization(request):
     except:
         pass
 
+    try:
+        activity_meta["args"] = dict(request.args)
+    except:
+        pass
+
+    try:
+        activity_meta["json"] = dict(request.json)
+    except:
+        pass
+
     try:
         activity_meta["method"] = request.method
     except:
@@ -95,7 +105,7 @@ async def try_authorization(request):
         type="API_V1_REQUEST",
         meta=activity_meta,
         user_id=user.id,
-        user_ip=request.ip,
+        user_ip=activity_meta.get("ip", "0.0.0.0"),
         created=datetime.now()
     )
     request.ctx.db_session.add(new_user_activity)
diff --git a/app/core/background/indexer_service.py b/app/core/background/indexer_service.py
index 03a14f1..d2d8de6 100644
--- a/app/core/background/indexer_service.py
+++ b/app/core/background/indexer_service.py
@@ -49,7 +49,7 @@ async def indexer_loop(memory, platform_found: bool, seqno: int) -> [bool, int]:
         make_log("Indexer", f"Last known index: {last_known_index}", level="debug")
         next_item_index = last_known_index + 1
 
-        resolve_item_result = await toncenter.run_get_method(platform.address.to_string(1, 1, 1), 'get_nft_address_by_index', [['num', hex(next_item_index)[2:]]])
+        resolve_item_result = await toncenter.run_get_method(platform.address.to_string(1, 1, 1), 'get_nft_address_by_index', [['num', (lambda x: (lambda y: (f"0{y}" if len(y) % 2 else y))(hex(x)[2:]))(next_item_index)]])
         if resolve_item_result.get('exit_code', -1) != 0:
             make_log("Indexer", f"Resolve item error: {resolve_item_result}", level="error")
             return platform_found, seqno
diff --git a/app/core/content/content_id.py b/app/core/content/content_id.py
index 75a485f..cb53baa 100644
--- a/app/core/content/content_id.py
+++ b/app/core/content/content_id.py
@@ -43,10 +43,7 @@ class ContentId:
             + self.content_hash
         )
         if not (self.safe_onchain_index is None):
-            oi_bin_hex = hex(self.safe_onchain_index)[2:]
-            if len(oi_bin_hex) % 2 == 1:
-                oi_bin_hex = '0' + oi_bin_hex
-
+            oi_bin_hex = (lambda x: (lambda y: (f"0{y}" if len(y) % 2 else y))(hex(x)[2:]))(self.safe_onchain_index)
             oi_bin_len = len(oi_bin_hex) // 2
             cid_bin += b'\xb0' + oi_bin_len.to_bytes(1, 'big') + bytes.fromhex(oi_bin_hex)
         if self.accept_type and include_accept_type: