Python: add BlockIssuanceCreditContextInput (#1193)

* Python: add BlockIssuanceCreditInput, fixes

* Add ContextInput base class

bindings/python/iota_sdk/__init__.py

@@ -17,6 +17,7 @@
 from .types.burn import *
 from .types.client_options import *
 from .types.common import *
+from .types.context_input import *
 from .types.event import *
 from .types.feature import *
 from .types.filter_options import *

bindings/python/iota_sdk/client/_high_level_api.py

@@ -3,6 +3,7 @@
 
 from typing import List, Optional
 from dataclasses import dataclass
+from iota_sdk.types.block import Block
 from iota_sdk.types.common import HexStr, json
 from iota_sdk.types.output import OutputWithMetadata
 from iota_sdk.types.output_id import OutputId

bindings/python/iota_sdk/types/context_input.py

@@ -0,0 +1,34 @@
+# Copyright 2023 IOTA Stiftung
+# SPDX-License-Identifier: Apache-2.0
+
+from __future__ import annotations
+from dataclasses import dataclass, field
+from enum import IntEnum
+from iota_sdk.types.common import HexStr, json
+
+
+class ContextInputType(IntEnum):
+    """Context input types.
+    """
+    BlockIssuanceCredit = 1
+
+
+@json
+@dataclass
+class ContextInput():
+    """Base class for context inputs.
+    """
+    type: int
+
+
+@json
+@dataclass
+class BlockIssuanceCreditContextInput(ContextInput):
+    """A Block Issuance Credit (BIC) Context Input provides the VM with context for the value of
+    the BIC vector of a specific slot.
+    """
+    account_id: HexStr
+    type: int = field(
+        default_factory=lambda: int(
+            ContextInputType.BlockIssuanceCredit),
+        init=False)

bindings/python/iota_sdk/types/feature.py

@@ -4,6 +4,7 @@
 from enum import IntEnum
 
 from dataclasses import dataclass, field
+from typing import List
 
 from iota_sdk.types.address import Ed25519Address, AccountAddress, NFTAddress
 from iota_sdk.types.common import HexStr, json
@@ -99,4 +100,7 @@ class BlockIssuer(Feature):
     expiry_slot: str
     # TODO Replace with a list of PublicKey types
     public_keys: List[HexStr]
-    type: int = field(default_factory=lambda: int(FeatureType.BlockIssuer), init=False)
+    type: int = field(
+        default_factory=lambda: int(
+            FeatureType.BlockIssuer),
+        init=False)