extracted the proto receipts list mapping to a function

Signed-off-by: HusseinYasser <[email protected]>

Author: HusseinYasser

src/hiero_sdk_python/query/transaction_get_receipt_query.py

@@ -1,11 +1,11 @@
 import traceback
-from typing import Optional, Union
+from typing import List, Optional, Union
 
 from hiero_sdk_python.channels import _Channel
 from hiero_sdk_python.client.client import Client
 from hiero_sdk_python.exceptions import PrecheckError, ReceiptStatusError
 from hiero_sdk_python.executable import _ExecutionState, _Method
-from hiero_sdk_python.hapi.services import query_header_pb2, query_pb2, response_pb2, transaction_get_receipt_pb2
+from hiero_sdk_python.hapi.services import query_header_pb2, query_pb2, response_pb2, transaction_get_receipt_pb2, transaction_receipt_pb2
 from hiero_sdk_python.query.query import Query
 from hiero_sdk_python.response_code import ResponseCode
 from hiero_sdk_python.transaction.transaction_id import TransactionId
@@ -247,6 +247,22 @@ def _map_status_error(self, response: response_pb2.Response) -> Union[PrecheckEr
             TransactionReceipt._from_proto(response.transactionGetReceipt.receipt, self.transaction_id),
         )
 
+    def _map_receipt_list(self, receipts:  List[transaction_receipt_pb2.TransactionReceipt]) -> List["TransactionReceipt"]:
+        """
+        Maps a list of protobuf transaction receipts to TransactionReceipt objects.
+
+        Args:
+            receipts: A list of protobuf TransactionReceipt objects
+
+        Returns:
+            A list of TransactionReceipt objects
+        """
+        return [
+            TransactionReceipt._from_proto(receipt_proto, self.transaction_id)
+            for receipt_proto in receipts
+        ]
+
+
     def execute(self, client: Client) -> TransactionReceipt:
         """
         Executes the transaction receipt query.
@@ -272,20 +288,16 @@ def execute(self, client: Client) -> TransactionReceipt:
         parent = TransactionReceipt._from_proto(response.transactionGetReceipt.receipt, self.transaction_id)
 
         if self.include_children:
-            children = []
-
-            for child_proto in response.transactionGetReceipt.child_transaction_receipts:
-                child_receipt = TransactionReceipt._from_proto(child_proto, self.transaction_id)
-                children.append(child_receipt)
+            children = self._map_receipt_list(
+                response.transactionGetReceipt.child_transaction_receipts
+            )
 
             parent._set_children(children)
 
         if self.include_duplicates:
-            duplicates = []
-
-            for duplicate_proto in response.transactionGetReceipt.duplicateTransactionReceipts:
-                duplicate_receipt = TransactionReceipt._from_proto(duplicate_proto, self.transaction_id)
-                duplicates.append(duplicate_receipt)
+            duplicates = self._map_receipt_list(
+                response.transactionGetReceipt.duplicateTransactionReceipts
+            )
 
             parent._set_duplicates(duplicates)