Changed Map serialization

jamcodec/types.py

@@ -978,11 +978,8 @@ def decode(self, data: JamBytes) -> list:
 
         return value
 
-    def serialize(self, value: list) -> dict:
-        output = {}
-        for k, v in value:
-            output[k.value_serialized] = v.value_serialized
-        return output
+    def serialize(self, value: list) -> typing.List[typing.Tuple]:
+        return [(k.value_serialized, v.value_serialized) for k, v in value]
 
     def deserialize(self, value: Union[dict, list]) -> list:
         if type(value) is dict:

test/test_hashmap.py

@@ -31,7 +31,7 @@ def test_hashmap_encode(self):
     def test_hashmap_decode(self):
         obj = HashMap(String, U32).new()
         data = JamBytes("0x04013102000000023233180000000232381e00000002343550000000")
-        self.assertEqual({'1': 2, '23': 24, '28': 30, '45': 80}, obj.decode(data))
+        self.assertEqual([('1', 2), ('23', 24), ('28', 30), ('45', 80)], obj.decode(data))
 
 
 if __name__ == '__main__':

test/test_map.py

@@ -44,7 +44,7 @@ def test_map_decode(self):
 
         obj.decode(JamBytes('0x01020000000474657374'))
 
-        self.assertEqual({2: '0x74657374'}, obj.serialize())
+        self.assertEqual([(2, '0x74657374')], obj.serialize())
         self.assertEqual({2: b'test'}, obj.to_serializable_obj())