Create ChunkedTransaction class

Signed-off-by: MonaaEid <monaa_eid@hotmail.com>

Author: MonaaEid

src/hiero_sdk_python/consensus/topic_message_submit_transaction.py

@@ -1,5 +1,7 @@
 from __future__ import annotations
 
+import math
+
 from hiero_sdk_python.channels import _Channel
 from hiero_sdk_python.consensus.topic_id import TopicId
 from hiero_sdk_python.crypto.private_key import PrivateKey
@@ -63,7 +65,6 @@ def _message_as_bytes(self) -> bytes:
 
         return self.message.encode("utf-8") if isinstance(self.message, str) else self.message
 
-
     def get_required_chunks(self) -> int:
         """
         Returns the number of chunks required for the current message.
@@ -75,7 +76,6 @@ def get_required_chunks(self) -> int:
             return 1
 
         content = self._message_as_bytes()
-        import math
         return math.ceil(len(content) / self.chunk_size)
 
     def set_topic_id(self, topic_id: TopicId) -> TopicMessageSubmitTransaction:

src/hiero_sdk_python/file/file_append_transaction.py

@@ -10,6 +10,7 @@
 Inherits from the base Transaction class and implements the required methods
 to build and execute a file append transaction.
 """
+
 from __future__ import annotations
 
 import math

src/hiero_sdk_python/transaction/chunked_transaction.py

@@ -132,7 +132,6 @@ def _validate_chunking(self) -> int:
             )
         return required
 
-
     def freeze_with(self, client: Client) -> ChunkedTransaction:
         """
         Freezes the transaction by building transaction bodies for all chunks.
@@ -189,8 +188,7 @@ def execute(
         timeout: int | float | None = None,
         wait_for_receipt: Literal[True] = True,
         validate_status: bool = False,
-    ) -> TransactionReceipt:
-        ...
+    ) -> TransactionReceipt: ...
 
     @overload
     def execute(
@@ -199,8 +197,7 @@ def execute(
         timeout: int | float | None = None,
         wait_for_receipt: Literal[False] = False,
         validate_status: bool = False,
-    ) -> TransactionResponse:
-        ...
+    ) -> TransactionResponse: ...
 
     def execute(
         self,
@@ -235,8 +232,7 @@ def execute_all(
         timeout: int | float | None = None,
         wait_for_receipt: Literal[True] = True,
         validate_status: bool = False,
-    ) -> list[TransactionReceipt]:
-        ...
+    ) -> list[TransactionReceipt]: ...
 
     @overload
     def execute_all(
@@ -245,8 +241,7 @@ def execute_all(
         timeout: int | float | None = None,
         wait_for_receipt: Literal[False] = False,
         validate_status: bool = False,
-    ) -> list[TransactionResponse]:
-        ...
+    ) -> list[TransactionResponse]: ...
 
     def execute_all(
         self,

tests/unit/chunked_transaction_test.py

@@ -52,7 +52,7 @@ def test_constructor_sets_default_chunk_configuration():
 @pytest.mark.parametrize(
     "setter_name, value, message",
     [("set_chunk_size", 0, "chunk_size must be positive"), ("set_max_chunks", 0, "max_chunks must be positive")],
-    )
+)
 def test_setters_reject_non_positive_values(mock_client, setter_name, value, message):
     tx = DummyChunkedTransaction()