feat(txgroup): add byron witness and ref script size params

Extend the TransactionGroup fee calculation to accept optional
parameters for the number of Byron witnesses and the size of reference
scripts. This allows for more precise fee estimation in transactions
involving Byron witnesses or reference scripts.

Author: mkoura

cardano_clusterlib/transaction_group.py

@@ -647,6 +647,8 @@ def calculate_tx_fee(
         invalid_before: int | None = None,
         src_addr_utxos: list[structs.UTXOData] | None = None,
         witness_count_add: int = 0,
+        byron_witness_count: int = 0,
+        reference_script_size: int = 0,
         join_txouts: bool = True,
         destination_dir: itp.FileType = ".",
     ) -> int:
@@ -690,6 +692,8 @@ def calculate_tx_fee(
             src_addr_utxos: A list of UTxOs for the source address (optional).
             witness_count_add: A number of witnesses to add - workaround to make the fee
                 calculation more precise.
+            byron_witness_count: A number of Byron witnesses (optional).
+            reference_script_size: A size in bytes of transaction reference scripts (optional).
             join_txouts: A bool indicating whether to aggregate transaction outputs
                 by payment address (True by default).
             destination_dir: A path to directory for storing artifacts (optional).
@@ -744,6 +748,8 @@ def calculate_tx_fee(
             txin_count=len(tx_raw_output.txins) + 1,
             txout_count=len(tx_raw_output.txouts),
             witness_count=len(tx_files.signing_key_files) + witness_count_add,
+            byron_witness_count=byron_witness_count,
+            reference_script_size=reference_script_size,
         )
 
         return fee