Fix Parameter validator

Author: tupui

src/soroban/models.py

@@ -90,7 +90,8 @@ class Parameter(Argument):
     def value_to_scval(self) -> "Parameter":
         if isinstance(self.value, list):
             self.value = [self._value_to_scval(val) for val in self.value]
-        return self._value_to_scval(self)
+        self.value = self._value_to_scval(self)
+        return self
 
     @staticmethod
     def _value_to_scval(value: Argument | xdr.SCVal):

tests/test_models.py

@@ -9,12 +9,12 @@
 class TestIdentity:
     def test_file(self):
         alice_fname = pathlib.Path(__file__).parent / "alice.toml"
-        soroban.Identity(_env_file=alice_fname)
+        soroban.Identity(_env_file=alice_fname).model_dump()
 
     def test_from_pk(self):
         keypair = Keypair.random()
         soroban.Identity(secret_key=keypair.secret)
-        soroban.Identity(keypair=keypair)
+        soroban.Identity(keypair=keypair).model_dump()
 
     def test_from_source_account(self):
         alice_fname = pathlib.Path(__file__).parent / "alice.toml"
@@ -25,33 +25,33 @@ def test_from_source_account(self):
 
     def test_raises(self):
         with pytest.raises(ValueError, match="provide a secret key or a Keypair"):
-            soroban.Identity()
+            soroban.Identity().model_dump()
 
         keypair = Keypair.random()
         with pytest.raises(ValueError, match="provide a secret key or a Keypair"):
-            soroban.Identity(public_key=keypair.public_key)
+            soroban.Identity(public_key=keypair.public_key).model_dump()
 
 
 class TestNetworkConfig:
     def test_from_network(self):
         testnet = pathlib.Path(__file__).parent / "testnet.toml"
-        soroban.NetworkConfig.from_network(network=testnet)
+        soroban.NetworkConfig.from_network(network=testnet).model_dump()
 
 
 class TestParams:
     def test_parameter(self):
         args = {"name": "distributor", "type": "int128", "value": 10}
-        soroban.Parameter(**args)
+        soroban.Parameter(**args).model_dump()
 
         args = {"name": "distributor", "type": "int128", "value": scval.to_int128(10)}
-        soroban.Parameter(**args)
+        soroban.Parameter(**args).model_dump()
 
         args = {
             "name": "thresholds",
             "type": "vec",
             "value": [scval.to_int128(10), {"type": "uint32", "value": 4}],
         }
-        soroban.Parameter(**args)
+        soroban.Parameter(**args).model_dump()
 
         args = {
             "name": "thresholds",
@@ -61,10 +61,10 @@ def test_parameter(self):
                 {"type": "int128", "value": scval.to_int128(10)},
             ],
         }
-        soroban.Parameter(**args)
+        soroban.Parameter(**args).model_dump()
 
     def test_parameters(self):
         fname = pathlib.Path(__file__).parent / "params_invoke.json"
         with open(fname, "rb") as fd:
             args = json.load(fd)
-        soroban.Parameters(args=args)
+        soroban.Parameters(args=args).model_dump()