further improvements

Author: tacmota

pycardano/backend/blockfrost.py

@@ -174,15 +174,11 @@ def protocol_param(self) -> ProtocolParameters:
 
     def _get_script(self, script_hash: str) -> ScriptType:
         script_type = self.api.script(script_hash).type
-        if (
-            script_type == "plutusV1"
-            or script_type == "plutusV2"
-            or script_type == "plutusV3"
-        ):
-            vscript = PlutusScript.from_version(
+        if script_type.startsWith("plutusV"):
+            ps = PlutusScript.from_version(
                 script_type[-1], bytes.fromhex(self.api.script_cbor(script_hash).cbor)
             )
-            return _try_fix_script(script_hash, vscript)
+            return _try_fix_script(script_hash, ps)
         else:
             script_json: JsonDict = self.api.script_json(
                 script_hash, return_type="json"

pycardano/transaction.py

@@ -318,10 +318,7 @@ def from_primitive(cls: Type[_Script], values: List[Primitive]) -> _Script:
             return cls(NativeScript.from_primitive(values[1]))
         assert isinstance(values[1], bytes)
         assert isinstance(values[0], int)
-        if 1 <= values[0] <= 3:
-            return cls(PlutusScript.from_version(values[0], values[1]))
-        else:
-            raise ValueError(f"Unsupported version: {values[0]}")
+        return cls(PlutusScript.from_version(values[0], values[1]))
 
 
 @dataclass(repr=False)