Python binding: rename block types

bindings/python/examples/client/06_simple_block.py

@@ -26,7 +26,7 @@
     TaggedDataPayload(
         utf8_to_hex("tag"),
         utf8_to_hex("data")))[0]
-signed_block = secret_manager.sign_block(unsigned_block, chain)
-block_id = client.post_block(signed_block)
+block = secret_manager.sign_block(unsigned_block, chain)
+block_id = client.post_block(block)
 
 print(f'Empty block sent: {os.environ["EXPLORER_URL"]}/block/{block_id}')

bindings/python/examples/client/08_data_block.py

@@ -3,7 +3,7 @@
 import os
 from dataclasses import asdict
 from dotenv import load_dotenv
-from iota_sdk import BasicBlock, Bip44, CoinType, Client, utf8_to_hex, hex_to_utf8, TaggedDataPayload, MnemonicSecretManager, SecretManager
+from iota_sdk import BasicBlockBody, Bip44, CoinType, Client, utf8_to_hex, hex_to_utf8, TaggedDataPayload, MnemonicSecretManager, SecretManager
 
 load_dotenv()
 
@@ -27,14 +27,14 @@
     TaggedDataPayload(
         utf8_to_hex("tag"),
         utf8_to_hex("data")))[0]
-signed_block = secret_manager.sign_block(unsigned_block, chain)
-block_id = client.post_block(signed_block)
+block = secret_manager.sign_block(unsigned_block, chain)
+block_id = client.post_block(block)
 
 print(f'Data block sent: {os.environ["EXPLORER_URL"]}/block/{block_id}')
 
 block = client.get_block(block_id).block
 
-if isinstance(block, BasicBlock):
+if isinstance(block, BasicBlockBody):
     print(f'Block data: {json.dumps(asdict(block), indent=4)}')
 
     payload = block.payload

bindings/python/examples/client/post_raw_block.py

@@ -24,8 +24,8 @@
     TaggedDataPayload(
         utf8_to_hex("tag"),
         utf8_to_hex("data")))[0]
-signed_block = secret_manager.sign_block(unsigned_block, chain)
-block_id = client.post_block(signed_block)
+block = secret_manager.sign_block(unsigned_block, chain)
+block_id = client.post_block(block)
 blockBytes = client.get_block_raw(block_id)
 
 # Post raw block

bindings/python/examples/client/submit_and_read_block.py

@@ -11,7 +11,7 @@
 # Make sure you have first installed it with `pip install iota_sdk`
 import os
 from dotenv import load_dotenv
-from iota_sdk import BasicBlock, Bip44, Client, CoinType, hex_to_utf8, utf8_to_hex, TaggedDataPayload, MnemonicSecretManager, SecretManager
+from iota_sdk import BasicBlockBody, Bip44, Client, CoinType, hex_to_utf8, utf8_to_hex, TaggedDataPayload, MnemonicSecretManager, SecretManager
 
 load_dotenv()
 
@@ -70,14 +70,14 @@
     TaggedDataPayload(
         utf8_to_hex("tag"),
         utf8_to_hex("data")))
-signed_block = secret_manager.sign_block(unsigned_block, chain)
-block_id = client.post_block(signed_block)
+block = secret_manager.sign_block(unsigned_block, chain)
+block_id = client.post_block(block)
 
 print('\nThe block ID for your submitted block is:')
 print(f'  {block_id}')
 
 print('\nMetadata for your submitted block is:')
-print(f'  {signed_block}')
+print(f'  {block}')
 
 ########################################################
 # Step 3: Use the block ID to read the payload back
@@ -92,7 +92,7 @@
 
 # Get the whole block
 block = client.get_block(block_id).block
-if isinstance(block, BasicBlock):
+if isinstance(block, BasicBlockBody):
     payload_out = block.payload
     tag_hex_out = block.payload.tag
     message_hex_out = block.payload.data

bindings/python/iota_sdk/__init__.py

@@ -12,11 +12,11 @@
 from .prefix_hex import *
 from .types.address import *
 from .types.balance import *
-from .types.block.basic import *
 from .types.block.block import *
+from .types.block.body.basic import *
+from .types.block.body.kind import *
+from .types.block.body.validation import *
 from .types.block.metadata import *
-from .types.block.signed_block import *
-from .types.block.validation import *
 from .types.block_builder_options import *
 from .types.block_issuer_key import *
 from .types.burn import *

bindings/python/iota_sdk/client/_high_level_api.py

@@ -4,7 +4,7 @@
 from typing import List, Optional
 from dataclasses import dataclass
 from abc import ABCMeta, abstractmethod
-from iota_sdk.types.block.signed_block import SignedBlock
+from iota_sdk.types.block.block import Block
 from iota_sdk.types.common import CoinType, HexStr, json
 from iota_sdk.types.output_metadata import OutputWithMetadata
 from iota_sdk.types.output_id import OutputId
@@ -111,7 +111,7 @@ def get_outputs_ignore_errors(
         })
         return [OutputWithMetadata.from_dict(o) for o in outputs]
 
-    def find_blocks(self, block_ids: List[HexStr]) -> List[SignedBlock]:
+    def find_blocks(self, block_ids: List[HexStr]) -> List[Block]:
         """Find all blocks by provided block IDs.
 
         Args:
@@ -123,7 +123,7 @@ def find_blocks(self, block_ids: List[HexStr]) -> List[SignedBlock]:
         blocks = self._call_method('findBlocks', {
             'blockIds': block_ids
         })
-        return [SignedBlock.from_dict(block) for block in blocks]
+        return [Block.from_dict(block) for block in blocks]
 
     def find_inputs(self, addresses: List[str], amount: int):
         """Function to find inputs from addresses for a provided amount(useful for offline signing).

bindings/python/iota_sdk/client/_node_core_api.py

@@ -5,7 +5,7 @@
 from abc import ABCMeta, abstractmethod
 from dacite import from_dict
 
-from iota_sdk.types.block.signed_block import SignedBlock
+from iota_sdk.types.block.block import Block
 from iota_sdk.types.block.metadata import BlockMetadata, BlockWithMetadata
 from iota_sdk.types.common import HexStr
 from iota_sdk.types.node_info import NodeInfo, NodeInfoWrapper
@@ -75,7 +75,7 @@ def get_tips(self) -> List[HexStr]:
         """
         return self._call_method('getTips')
 
-    def post_block(self, block: SignedBlock) -> HexStr:
+    def post_block(self, block: Block) -> HexStr:
         """Post a block.
 
         Args:
@@ -88,10 +88,10 @@ def post_block(self, block: SignedBlock) -> HexStr:
             'block': block.__dict__
         })
 
-    def get_block(self, block_id: HexStr) -> SignedBlock:
+    def get_block(self, block_id: HexStr) -> Block:
         """Get the block corresponding to the given block id.
         """
-        return SignedBlock.from_dict(self._call_method('getBlock', {
+        return Block.from_dict(self._call_method('getBlock', {
             'blockId': block_id
         }))
 
@@ -152,13 +152,13 @@ def get_output_metadata(
             'outputId': output_id_str
         }))
 
-    def get_included_block(self, transaction_id: HexStr) -> SignedBlock:
+    def get_included_block(self, transaction_id: HexStr) -> Block:
         """Returns the included block of the given transaction.
 
         Returns:
             The included block.
         """
-        return SignedBlock.from_dict(self._call_method('getIncludedBlock', {
+        return Block.from_dict(self._call_method('getIncludedBlock', {
             'transactionId': transaction_id
         }))
 

bindings/python/iota_sdk/client/_utils.py

@@ -34,7 +34,7 @@ def _call_method(self, name, data=None):
         """
 
     # pylint: disable=redefined-builtin
-    def hex_to_bech32(self, hex: HexStr, bech32_hrp: str) -> str:
+    def hex_to_bech32(self, hex_str: HexStr, bech32_hrp: str) -> str:
         """Transforms a hex encoded address to a bech32 encoded address.
         """
         return self._call_method('hexToBech32', {

bindings/python/iota_sdk/client/client.py

@@ -11,7 +11,7 @@
 from iota_sdk.client._node_indexer_api import NodeIndexerAPI
 from iota_sdk.client._high_level_api import HighLevelAPI
 from iota_sdk.client._utils import ClientUtils
-from iota_sdk.types.block.signed_block import UnsignedBlock
+from iota_sdk.types.block.block import UnsignedBlock
 from iota_sdk.types.common import HexStr, Node
 from iota_sdk.types.feature import Feature
 from iota_sdk.types.network_info import NetworkInfo

bindings/python/iota_sdk/secret_manager/secret_manager.py

@@ -7,7 +7,7 @@
 import humps
 
 from iota_sdk.external import create_secret_manager, call_secret_manager_method
-from iota_sdk.types.block.signed_block import SignedBlock, UnsignedBlock
+from iota_sdk.types.block.block import Block, UnsignedBlock
 from iota_sdk.types.common import HexStr
 from iota_sdk.types.signature import Ed25519Signature, Bip44
 from iota_sdk.types.transaction_data import PreparedTransactionData
@@ -280,14 +280,14 @@ def sign_transaction(
         }))
 
     def sign_block(
-            self, unsigned_block: UnsignedBlock, chain: Bip44) -> SignedBlock:
+            self, unsigned_block: UnsignedBlock, chain: Bip44) -> Block:
         """Sign a block.
 
         Args:
             unsigned_block: The unsigned block data.
             chain: The Bip44 chain to use.
         """
-        return from_dict(SignedBlock, self._call_method('signBlock', {
+        return from_dict(Block, self._call_method('signBlock', {
             'unsignedBlock': unsigned_block.to_dict(),
             'chain': chain.to_dict()
         }))

bindings/python/iota_sdk/types/block/block.py

@@ -2,15 +2,78 @@
 # SPDX-License-Identifier: Apache-2.0
 
 from __future__ import annotations
-from enum import IntEnum
+from dataclasses import dataclass, field
+from typing import TypeAlias, Union
+from dataclasses_json import config
+from iota_sdk.utils import Utils
+from iota_sdk.types.common import HexStr, json, SlotIndex
+from iota_sdk.types.node_info import ProtocolParameters
+from iota_sdk.types.signature import Signature
+from iota_sdk.types.block.body.basic import BasicBlockBody
+from iota_sdk.types.block.body.validation import ValidationBlockBody
 
 
-class BlockType(IntEnum):
-    """Block types.
+@json
+@dataclass
+class Block:
+    """A block that can hold either a `BasicBlockBody` or a `ValidationBlockBody`.
+    Shared data is stored alongside such a block in the header fields.
 
     Attributes:
-        Basic (0): A Basic Block.
-        Validation (1): A Validation Block.
+        protocol_version: Protocol version of the network to which this block belongs.
+        network_id: The identifier of the network to which this block belongs.
+        issuing_time: The time at which the block was issued. It is a Unix timestamp in nanoseconds.
+        slot_commitment_id: The identifier of the slot to which this block commits.
+        latest_finalized_slot: The slot index of the latest finalized slot.
+        issuer_id: The identifier of the account that issued this block.
+        body: Holds either a `BasicBlockBody` or a `ValidationBlockBody`.
+        signature: The Block signature.
     """
-    Basic = 0
-    Validation = 1
+    protocol_version: int
+    network_id: int = field(metadata=config(
+        encoder=str
+    ))
+    issuing_time: int = field(metadata=config(
+        encoder=str
+    ))
+    slot_commitment_id: HexStr
+    latest_finalized_slot: SlotIndex
+    issuer_id: HexStr
+    body: BlockBody
+    signature: Signature
+
+    def id(self, params: ProtocolParameters) -> HexStr:
+        """Returns the block ID as a hexadecimal string.
+        """
+        return Utils.block_id(self, params)
+
+
+@json
+@dataclass
+class UnsignedBlock:
+    """An unsigned block type that can hold either a `BasicBlock` or a `ValidationBlock`.
+    Shared data is stored alongside such a block in the header fields.
+
+    Attributes:
+        protocol_version: Protocol version of the network to which this block belongs.
+        network_id: The identifier of the network to which this block belongs.
+        issuing_time: The time at which the block was issued. It is a Unix timestamp in nanoseconds.
+        slot_commitment_id: The identifier of the slot to which this block commits.
+        latest_finalized_slot: The slot index of the latest finalized slot.
+        issuer_id: The identifier of the account that issued this block.
+        block: Holds either a `BasicBlock` or a `ValidationBlock`.
+    """
+    protocol_version: int
+    network_id: int = field(metadata=config(
+        encoder=str
+    ))
+    issuing_time: int = field(metadata=config(
+        encoder=str
+    ))
+    slot_commitment_id: HexStr
+    latest_finalized_slot: SlotIndex
+    issuer_id: HexStr
+    body: BlockBody
+
+
+BlockBody: TypeAlias = Union[BasicBlockBody, ValidationBlockBody]

bindings/python/iota_sdk/types/block/basic.py → bindings/python/iota_sdk/types/block/body/basic.py

@@ -5,15 +5,15 @@
 from dataclasses import dataclass, field
 from typing import List, Optional
 from dataclasses_json import config
-from iota_sdk.types.block.block import BlockType
+from iota_sdk.types.block.body.kind import BlockBodyType
 from iota_sdk.types.common import HexStr, json
 from iota_sdk.types.payload import Payload
 
 
 @json
 @dataclass
-class BasicBlock:
-    """A `BasicBlock` is the most common type of block used to issue various kinds of payloads such as transactions
+class BasicBlockBody:
+    """A Basic Block Body is the most common type of block body used to issue various kinds of payloads such as transactions
     at the cost of burning Mana.
 
     Attributes:
@@ -31,5 +31,5 @@ class BasicBlock:
     shallow_like_parents: Optional[List[HexStr]] = None
     payload: Optional[Payload] = None
     type: int = field(
-        default_factory=lambda: int(BlockType.Basic),
+        default_factory=lambda: int(BlockBodyType.Basic),
         init=False)

bindings/python/iota_sdk/types/block/body/type.py

@@ -0,0 +1,16 @@
+# Copyright 2023 IOTA Stiftung
+# SPDX-License-Identifier: Apache-2.0
+
+from __future__ import annotations
+from enum import IntEnum
+
+
+class BlockBodyType(IntEnum):
+    """Block Body types.
+
+    Attributes:
+        Basic (0): A Basic Block Body.
+        Validation (1): A Validation Block Body.
+    """
+    Basic = 0
+    Validation = 1

bindings/python/iota_sdk/types/block/validation.py → bindings/python/iota_sdk/types/block/body/validation.py

@@ -4,14 +4,14 @@
 from __future__ import annotations
 from dataclasses import dataclass, field
 from typing import List, Optional
-from iota_sdk.types.block.block import BlockType
+from iota_sdk.types.block.body.kind import BlockBodyType
 from iota_sdk.types.common import HexStr, json
 
 
 @json
 @dataclass
-class ValidationBlock:
-    """A Validation Block is a special type of block used by validators to secure the network. It is recognized by the
+class ValidationBlockBody:
+    """A Validation Block Body is a special type of block body used by validators to secure the network. It is recognized by the
     Congestion Control of the IOTA 2.0 protocol and can be issued without burning Mana within the constraints of the
     allowed validator throughput. It is allowed to reference more parent blocks than a normal Basic Block.
 
@@ -28,5 +28,5 @@ class ValidationBlock:
     weak_parents: Optional[List[HexStr]] = None
     shallow_like_parents: Optional[List[HexStr]] = None
     type: int = field(
-        default_factory=lambda: int(BlockType.Validation),
+        default_factory=lambda: int(BlockBodyType.Validation),
         init=False)

bindings/python/iota_sdk/types/block/metadata.py

@@ -6,8 +6,7 @@
 from dataclasses import dataclass
 from typing import Optional
 from iota_sdk.types.common import HexStr, json
-# TODO rename change to Block
-from iota_sdk.types.block.signed_block import SignedBlock
+from iota_sdk.types.block.block import Block
 
 
 @json
@@ -196,5 +195,5 @@ class BlockWithMetadata:
         block: The block.
         metadata: The block metadata.
     """
-    block: SignedBlock
+    block: Block
     metadata: BlockMetadata