Get_ref_script_size

cardano_clusterlib/query_group.py

@@ -744,5 +744,40 @@ def get_ledger_peer_snapshot(self) -> dict[str, tp.Any]:
         out: dict[str, tp.Any] = json.loads(self.query_cli(["ledger-peer-snapshot"])) or {}
         return out
 
+    def get_ref_script_size(
+        self,
+        txin: str | list[str] | None = None,
+        utxo: structs.UTXOData | None = None,
+    ) -> dict[str, tp.Any]:
+        """Get the reference input script size in bytes for one or more transaction inputs.
+
+        Args:
+            txin: One or more transaction inputs in the format 'TxId#TxIx'
+                (string or list of strings).
+            utxo: A single UTxO record (alternative to `txin`).
+
+        Returns:
+            dict[str, Any]: JSON output from the CLI, typically containing
+            keys like 'refScriptSize' or 'refScriptHash'.
+        """
+        if not txin and not utxo:
+            msg = "Either `txin` or `utxo` must be provided."
+            raise ValueError(msg)
+        if txin and utxo:
+            msg = "Provide only one of `txin` or `utxo`, not both."
+            raise ValueError(msg)
+
+        if txin:
+            txins = [txin] if isinstance(txin, str) else txin
+        else:
+            assert utxo is not None  # reassure static type checkers
+            txins = [f"{utxo.utxo_hash}#{utxo.utxo_ix}"]
+
+        cli_args = ["ref-script-size", "--output-json"]
+        cli_args.extend(helpers._prepend_flag("--tx-in", txins))
+
+        out: dict[str, tp.Any] = json.loads(self.query_cli(cli_args))
+        return out
+
     def __repr__(self) -> str:
         return f"<{self.__class__.__name__}: clusterlib_obj={id(self._clusterlib_obj)}>"