dev@locazia: fix indexation

app/core/content/content_id.py

@@ -1,5 +1,4 @@
 from base58 import b58encode, b58decode
-import math
 
 from tonsdk.boc import begin_cell
 from app.core._config import ALLOWED_CONTENT_TYPES
@@ -45,7 +44,10 @@ class ContentId:
         )
         if not (self.safe_onchain_index is None):
             oi_bin_hex = hex(self.safe_onchain_index)[2:]
-            oi_bin_len = math.ceil(len(oi_bin_hex) / 2)
+            if len(oi_bin_hex) % 2:
+                oi_bin_hex = '0' + oi_bin_hex
+
+            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:
             at_bin_len = len(self.accept_type.encode())