More goverance related classes

Author: cffls

integration-test/test/test_governance.py

@@ -85,7 +85,12 @@ def test_governance_action_and_voting(self):
         time.sleep(5)
 
         # Step 2: Create and submit parameter change action
-        info_proposal = InfoAction()
+        param_update = ProtocolParamUpdate(
+            max_block_body_size=75536,
+            max_transaction_size=26384,
+        )
+
+        parameter_change_action = ParameterChangeAction(None, param_update, None)
 
         # Create transaction for parameter change
         builder = TransactionBuilder(self.chain_context)
@@ -97,9 +102,9 @@ def test_governance_action_and_voting(self):
         builder.add_proposal(
             100000000000,
             bytes(reward_account),
-            info_proposal,
+            parameter_change_action,
             Anchor(
-                url="https://test-info.com",
+                url="https://test-param-update.com",
                 data_hash=AnchorDataHash(bytes.fromhex("0" * 64)),
             ),
         )

pycardano/plutus.py

@@ -948,6 +948,8 @@ class RedeemerTag(CBORSerializable, Enum):
     MINT = 1
     CERTIFICATE = 2
     WITHDRAWAL = 3
+    VOTING = 4
+    PROPOSING = 5
 
     def to_primitive(self) -> int:
         return self.value

pycardano/serialization.py

@@ -40,8 +40,15 @@
     logger.warning("Failed to remove semantic decoder for CBOR tag 258", e)
     pass
 
-from cbor2 import CBOREncoder, CBORSimpleValue, CBORTag, dumps, loads, undefined
-from frozendict import frozendict
+from cbor2 import (
+    CBOREncoder,
+    CBORSimpleValue,
+    CBORTag,
+    FrozenDict,
+    dumps,
+    loads,
+    undefined,
+)
 from frozenlist import FrozenList
 from pprintpp import pformat
 
@@ -126,7 +133,7 @@ class RawCBOR:
     set,
     Fraction,
     frozenset,
-    frozendict,
+    FrozenDict,
     FrozenList,
     IndefiniteFrozenList,
     ByteString,
@@ -154,7 +161,7 @@ class RawCBOR:
     CBORTag,
     set,
     frozenset,
-    frozendict,
+    FrozenDict,
     Fraction,
     FrozenList,
     IndefiniteFrozenList,
@@ -205,7 +212,7 @@ def default_encoder(
             RawCBOR,
             FrozenList,
             IndefiniteFrozenList,
-            frozendict,
+            FrozenDict,
         ),
     ), (
         f"Type of input value is not CBORSerializable, " f"got {type(value)} instead."
@@ -231,7 +238,7 @@ def default_encoder(
         encoder.write(value.cbor)
     elif isinstance(value, FrozenList):
         encoder.encode(list(value))
-    elif isinstance(value, frozendict):
+    elif isinstance(value, FrozenDict):
         encoder.encode(dict(value))
     else:
         encoder.encode(value.to_validated_primitive())
@@ -296,7 +303,7 @@ def _dfs(value, freeze=False):
                 for k, v in value.items():
                     _dict[_dfs(k, freeze=True)] = _dfs(v, freeze)
                 if freeze:
-                    return frozendict(_dict)
+                    return FrozenDict(_dict)
                 return _dict
             elif isinstance(value, set):
                 _set = set(_dfs(v, freeze=True) for v in value)
@@ -348,7 +355,7 @@ def _check_recursive(value, type_hint):
                 return _check_recursive(value, type_hint.__args__[0])
             elif origin is Union:
                 return any(_check_recursive(value, arg) for arg in type_hint.__args__)
-            elif origin is Dict or isinstance(value, (dict, frozendict)):
+            elif origin is Dict or isinstance(value, (dict, FrozenDict)):
                 key_type, value_type = type_hint.__args__
                 return all(
                     _check_recursive(k, key_type) and _check_recursive(v, value_type)
@@ -814,8 +821,8 @@ def to_shallow_primitive(self) -> Primitive:
         return primitives
 
     @classmethod
-    @limit_primitive_type(dict)
-    def from_primitive(cls: Type[MapBase], values: dict) -> MapBase:
+    @limit_primitive_type(dict, FrozenDict)
+    def from_primitive(cls: Type[MapBase], values: Union[dict, FrozenDict]) -> MapBase:
         """Restore a primitive value to its original class type.
 
         Args:
@@ -1038,10 +1045,14 @@ def from_primitive(
                 value.value = [type_arg.from_primitive(v) for v in value.value]
             return cls(value.value, use_tag=True)
 
+        use_tag = isinstance(value, set)
+
         if isinstance(value, (list, tuple, set)):
             if isclass(type_arg) and issubclass(type_arg, CBORSerializable):
                 value = [type_arg.from_primitive(v) for v in value]
-            return cls(list(value), use_tag=False)
+
+            # If the value is a set, we know it is coming from a CBORTag (#6.258)
+            return cls(list(value), use_tag=use_tag)
 
         raise ValueError(f"Cannot deserialize {value} to {cls}")
 

test/pycardano/test_transaction.py

@@ -1,9 +1,11 @@
 from dataclasses import dataclass
+from fractions import Fraction
 from test.pycardano.util import check_two_way_cbor
 
 import pytest
 from typeguard import TypeCheckError
 
+from pycardano import ParameterChangeAction
 from pycardano.address import Address
 from pycardano.exception import InvalidDataException, InvalidOperationException
 from pycardano.hash import SCRIPT_HASH_SIZE, ScriptHash, TransactionId
@@ -617,3 +619,17 @@ def test_add_empty_pop():
     )
     assert len(nft_output.multi_asset) == 1
     assert len(nft_output.multi_asset[ScriptHash(policy)]) == 1
+
+
+def test_decode_param_update_proposal_tx():
+    # The proposal of decreasing treasury tax from 20% to 10% on mainnet
+    # https://cardanoscan.io/transaction/941502b0aa104c850d197923259444d2b57cab7af18b63143775465aaacc84f5
+    tx_cbor_hex = """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"""
+    tx = Transaction.from_cbor(tx_cbor_hex)
+    assert len(tx.transaction_body.proposal_procedures) == 1
+    assert isinstance(
+        tx.transaction_body.proposal_procedures[0].gov_action, ParameterChangeAction
+    )
+    assert tx.transaction_body.proposal_procedures[
+        0
+    ].gov_action.protocol_param_update.treasury_growth_rate == Fraction(1, 10)