add python hash check

bindings/python/iota_sdk/utils.py

@@ -179,6 +179,14 @@ def transaction_id(payload: SignedTransactionPayload) -> HexStr:
             'payload': payload.as_dict()
         })
 
+    @staticmethod
+    def protocol_parameters_hash(params: ProtocolParameters) -> HexStr:
+        """ Compute the hash of a ProtocolParameters instance.
+        """
+        return _call_method('protocolParametersHash', {
+            'protocolParameters': params.to_dict(),
+        })
+
     @staticmethod
     def transaction_signing_hash(transaction: Transaction) -> HexStr:
         """ Compute the signing hash of a transaction.

bindings/python/tests/test_protocol_parameters.py

@@ -2,15 +2,17 @@
 # SPDX-License-Identifier: Apache-2.0
 
 import json
-from dacite import from_dict
-from iota_sdk import ProtocolParameters
+from iota_sdk import ProtocolParameters, Utils
 
 
-protocol_params = {}
+protocol_params_json = {}
 with open('../../sdk/tests/types/fixtures/protocol_parameters.json', "r", encoding="utf-8") as json_file:
-    protocol_params = json.load(json_file)
+    protocol_params_json = json.load(json_file)
 
 def test_protocol_parameters():
-    protocol_params_dict = protocol_params['params']
+    protocol_params_dict = protocol_params_json['params']
     protocol_params = ProtocolParameters.from_dict(protocol_params_dict)
     assert protocol_params.to_dict() == protocol_params_dict
+
+    expected_hash = protocol_params_json['hash']
+    assert Utils.protocol_parameters_hash(protocol_params) == expected_hash