Add treasury donation for build tx command

cardano_clusterlib/transaction_group.py

@@ -768,6 +768,7 @@ def build_tx(  # noqa: C901
         script_withdrawals: structs.OptionalScriptWithdrawals = (),
         script_votes: structs.OptionalScriptVotes = (),
         deposit: tp.Optional[int] = None,
+        treasury_donation: tp.Optional[int] = None,
         invalid_hereafter: tp.Optional[int] = None,
         invalid_before: tp.Optional[int] = None,
         witness_override: tp.Optional[int] = None,
@@ -810,6 +811,7 @@ def build_tx(  # noqa: C901
                 data (optional).
             script_votes: An iterable of `ScriptVote`, specifying vote script data (optional).
             deposit: A deposit amount needed by the transaction (optional).
+            treasury_donation: A donation to the treasury to perform (optional).
             invalid_hereafter: A last block when the transaction is still valid (optional).
             invalid_before: A first block when the transaction is valid (optional).
             witness_override: An integer indicating real number of witnesses. Can be used to fix
@@ -892,6 +894,9 @@ def build_tx(  # noqa: C901
         if invalid_hereafter is not None:
             misc_args.extend(["--invalid-hereafter", str(invalid_hereafter)])
 
+        if treasury_donation is not None:
+            misc_args.extend(["--treasury-donation", str(treasury_donation)])
+
         if not script_valid:
             misc_args.append("--script-invalid")