Allow vec in parameter value

Author: tupui

src/soroban/models.py

@@ -75,18 +75,28 @@ def from_network(cls, network: str | pathlib.Path | None = None) -> "NetworkConf
         return network
 
 
-class Parameter(BaseModel):
+class Argument(BaseModel):
     model_config = ConfigDict(arbitrary_types_allowed=True)
 
-    name: str
     type: str
-    value: int | float | str | xdr.SCVal
+    value: int | str | xdr.SCVal
+
+
+class Parameter(Argument):
+    name: str
+    value: int | str | xdr.SCVal | list[Argument | xdr.SCVal]
 
     @model_validator(mode="after")
     def value_to_scval(self) -> "Parameter":
-        if not isinstance(self.value, xdr.SCVal):
-            self.value = getattr(scval, f"to_{self.type}")(self.value)
-        return self
+        if isinstance(self.value, list):
+            self.value = [self._value_to_scval(val) for val in self.value]
+        return self._value_to_scval(self)
+
+    @staticmethod
+    def _value_to_scval(value: Argument | xdr.SCVal):
+        if isinstance(value, Argument) and not isinstance(value.value, xdr.SCVal):
+            value = getattr(scval, f"to_{value.type}")(value.value)
+        return value
 
 
 class Parameters(BaseModel):

tests/params_invoke.json

@@ -8,5 +8,19 @@
     "name": "distributor",
     "type": "int128",
     "value": 10
+  },
+  {
+    "name": "claimants",
+    "type": "vec",
+    "value": [
+      {
+        "type": "uint32",
+        "value": 12
+      },
+      {
+        "type": "int64",
+        "value": 20
+      }
+    ]
   }
 ]

tests/test_models.py

@@ -49,6 +49,23 @@ def test_parameter(self):
         args = {"name": "distributor", "type": "int128", "value": scval.to_int128(10)}
         soroban.Parameter(**args)
 
+        args = {
+            "name": "thresholds",
+            "type": "vec",
+            "value": [scval.to_int128(10), {"type": "uint32", "value": 4}],
+        }
+        soroban.Parameter(**args)
+
+        args = {
+            "name": "thresholds",
+            "type": "vec",
+            "value": [
+                scval.to_int128(10),
+                {"type": "int128", "value": scval.to_int128(10)},
+            ],
+        }
+        soroban.Parameter(**args)
+
     def test_parameters(self):
         fname = pathlib.Path(__file__).parent / "params_invoke.json"
         with open(fname, "rb") as fd: