style(common): mypy: disable implicit Optional for function arguments

common/protob/pb2py

@@ -279,9 +279,12 @@ class Descriptor:
         for field in required_fields:
             yield f"        {field.name}: {field.py_type},"
         for field in repeated_fields:
-            yield f"        {field.name}: List[{field.py_type}] = None,"
+            yield f"        {field.name}: Optional[List[{field.py_type}]] = None,"
         for field in optional_fields:
-            yield f"        {field.name}: {field.py_type} = {field.default_value},"
+            if field.default_value is None:
+                yield f"        {field.name}: Optional[{field.py_type}] = None,"
+            else:
+                yield f"        {field.name}: {field.py_type} = {field.default_value},"
         yield          "    ) -> None:"
 
         for field in repeated_fields:
@@ -356,7 +359,7 @@ class Descriptor:
         yield ""
         yield "if __debug__:"
         yield "    try:"
-        yield "        from typing import Dict, List  # noqa: F401"
+        yield "        from typing import Dict, List, Optional  # noqa: F401"
         yield "        from typing_extensions import Literal  # noqa: F401"
 
         all_enums = [field for field in fields if field.type_name in self.enum_types]

core/src/trezor/messages/Address.py

@@ -4,7 +4,7 @@ import protobuf as p
 
 if __debug__:
     try:
-        from typing import Dict, List  # noqa: F401
+        from typing import Dict, List, Optional  # noqa: F401
         from typing_extensions import Literal  # noqa: F401
     except ImportError:
         pass

core/src/trezor/messages/ApplyFlags.py

@@ -4,7 +4,7 @@ import protobuf as p
 
 if __debug__:
     try:
-        from typing import Dict, List  # noqa: F401
+        from typing import Dict, List, Optional  # noqa: F401
         from typing_extensions import Literal  # noqa: F401
     except ImportError:
         pass
@@ -16,7 +16,7 @@ class ApplyFlags(p.MessageType):
     def __init__(
         self,
         *,
-        flags: int = None,
+        flags: Optional[int] = None,
     ) -> None:
         self.flags = flags
 

core/src/trezor/messages/ApplySettings.py

@@ -4,7 +4,7 @@ import protobuf as p
 
 if __debug__:
     try:
-        from typing import Dict, List  # noqa: F401
+        from typing import Dict, List, Optional  # noqa: F401
         from typing_extensions import Literal  # noqa: F401
         EnumTypeSafetyCheckLevel = Literal[0, 1, 2]
     except ImportError:
@@ -17,15 +17,15 @@ class ApplySettings(p.MessageType):
     def __init__(
         self,
         *,
-        language: str = None,
+        language: Optional[str] = None,
-        label: str = None,
+        label: Optional[str] = None,
-        use_passphrase: bool = None,
+        use_passphrase: Optional[bool] = None,
-        homescreen: bytes = None,
+        homescreen: Optional[bytes] = None,
-        auto_lock_delay_ms: int = None,
+        auto_lock_delay_ms: Optional[int] = None,
-        display_rotation: int = None,
+        display_rotation: Optional[int] = None,
-        passphrase_always_on_device: bool = None,
+        passphrase_always_on_device: Optional[bool] = None,
-        safety_checks: EnumTypeSafetyCheckLevel = None,
+        safety_checks: Optional[EnumTypeSafetyCheckLevel] = None,
-        experimental_features: bool = None,
+        experimental_features: Optional[bool] = None,
     ) -> None:
         self.language = language
         self.label = label

core/src/trezor/messages/AuthorizeCoinJoin.py

@@ -4,7 +4,7 @@ import protobuf as p
 
 if __debug__:
     try:
-        from typing import Dict, List  # noqa: F401
+        from typing import Dict, List, Optional  # noqa: F401
         from typing_extensions import Literal  # noqa: F401
         EnumTypeInputScriptType = Literal[0, 1, 2, 3, 4]
         EnumTypeAmountUnit = Literal[0, 1, 2, 3]
@@ -21,8 +21,8 @@ class AuthorizeCoinJoin(p.MessageType):
         *,
         coordinator: str,
         max_total_fee: int,
-        address_n: List[int] = None,
+        address_n: Optional[List[int]] = None,
-        fee_per_anonymity: int = None,
+        fee_per_anonymity: Optional[int] = None,
         coin_name: str = "Bitcoin",
         script_type: EnumTypeInputScriptType = 0,
         amount_unit: EnumTypeAmountUnit = 0,

core/src/trezor/messages/BackupDevice.py

@@ -4,7 +4,7 @@ import protobuf as p
 
 if __debug__:
     try:
-        from typing import Dict, List  # noqa: F401
+        from typing import Dict, List, Optional  # noqa: F401
         from typing_extensions import Literal  # noqa: F401
     except ImportError:
         pass

core/src/trezor/messages/BinanceAddress.py

@@ -4,7 +4,7 @@ import protobuf as p
 
 if __debug__:
     try:
-        from typing import Dict, List  # noqa: F401
+        from typing import Dict, List, Optional  # noqa: F401
         from typing_extensions import Literal  # noqa: F401
     except ImportError:
         pass

core/src/trezor/messages/BinanceCancelMsg.py

@@ -4,7 +4,7 @@ import protobuf as p
 
 if __debug__:
     try:
-        from typing import Dict, List  # noqa: F401
+        from typing import Dict, List, Optional  # noqa: F401
         from typing_extensions import Literal  # noqa: F401
     except ImportError:
         pass
@@ -16,9 +16,9 @@ class BinanceCancelMsg(p.MessageType):
     def __init__(
         self,
         *,
-        refid: str = None,
+        refid: Optional[str] = None,
-        sender: str = None,
+        sender: Optional[str] = None,
-        symbol: str = None,
+        symbol: Optional[str] = None,
     ) -> None:
         self.refid = refid
         self.sender = sender

core/src/trezor/messages/BinanceCoin.py

@@ -4,7 +4,7 @@ import protobuf as p
 
 if __debug__:
     try:
-        from typing import Dict, List  # noqa: F401
+        from typing import Dict, List, Optional  # noqa: F401
         from typing_extensions import Literal  # noqa: F401
     except ImportError:
         pass
@@ -15,8 +15,8 @@ class BinanceCoin(p.MessageType):
     def __init__(
         self,
         *,
-        amount: int = None,
+        amount: Optional[int] = None,
-        denom: str = None,
+        denom: Optional[str] = None,
     ) -> None:
         self.amount = amount
         self.denom = denom

core/src/trezor/messages/BinanceGetAddress.py

@@ -4,7 +4,7 @@ import protobuf as p
 
 if __debug__:
     try:
-        from typing import Dict, List  # noqa: F401
+        from typing import Dict, List, Optional  # noqa: F401
         from typing_extensions import Literal  # noqa: F401
     except ImportError:
         pass
@@ -16,8 +16,8 @@ class BinanceGetAddress(p.MessageType):
     def __init__(
         self,
         *,
-        address_n: List[int] = None,
+        address_n: Optional[List[int]] = None,
-        show_display: bool = None,
+        show_display: Optional[bool] = None,
     ) -> None:
         self.address_n = address_n if address_n is not None else []
         self.show_display = show_display

core/src/trezor/messages/BinanceGetPublicKey.py

@@ -4,7 +4,7 @@ import protobuf as p
 
 if __debug__:
     try:
-        from typing import Dict, List  # noqa: F401
+        from typing import Dict, List, Optional  # noqa: F401
         from typing_extensions import Literal  # noqa: F401
     except ImportError:
         pass
@@ -16,8 +16,8 @@ class BinanceGetPublicKey(p.MessageType):
     def __init__(
         self,
         *,
-        address_n: List[int] = None,
+        address_n: Optional[List[int]] = None,
-        show_display: bool = None,
+        show_display: Optional[bool] = None,
     ) -> None:
         self.address_n = address_n if address_n is not None else []
         self.show_display = show_display

core/src/trezor/messages/BinanceInputOutput.py

@@ -6,7 +6,7 @@ from .BinanceCoin import BinanceCoin
 
 if __debug__:
     try:
-        from typing import Dict, List  # noqa: F401
+        from typing import Dict, List, Optional  # noqa: F401
         from typing_extensions import Literal  # noqa: F401
     except ImportError:
         pass
@@ -17,8 +17,8 @@ class BinanceInputOutput(p.MessageType):
     def __init__(
         self,
         *,
-        coins: List[BinanceCoin] = None,
+        coins: Optional[List[BinanceCoin]] = None,
-        address: str = None,
+        address: Optional[str] = None,
     ) -> None:
         self.coins = coins if coins is not None else []
         self.address = address

core/src/trezor/messages/BinanceOrderMsg.py

@@ -4,7 +4,7 @@ import protobuf as p
 
 if __debug__:
     try:
-        from typing import Dict, List  # noqa: F401
+        from typing import Dict, List, Optional  # noqa: F401
         from typing_extensions import Literal  # noqa: F401
         EnumTypeBinanceOrderType = Literal[0, 1, 2, 3]
         EnumTypeBinanceOrderSide = Literal[0, 1, 2]
@@ -19,14 +19,14 @@ class BinanceOrderMsg(p.MessageType):
     def __init__(
         self,
         *,
-        id: str = None,
+        id: Optional[str] = None,
-        ordertype: EnumTypeBinanceOrderType = None,
+        ordertype: Optional[EnumTypeBinanceOrderType] = None,
-        price: int = None,
+        price: Optional[int] = None,
-        quantity: int = None,
+        quantity: Optional[int] = None,
-        sender: str = None,
+        sender: Optional[str] = None,
-        side: EnumTypeBinanceOrderSide = None,
+        side: Optional[EnumTypeBinanceOrderSide] = None,
-        symbol: str = None,
+        symbol: Optional[str] = None,
-        timeinforce: EnumTypeBinanceTimeInForce = None,
+        timeinforce: Optional[EnumTypeBinanceTimeInForce] = None,
     ) -> None:
         self.id = id
         self.ordertype = ordertype

core/src/trezor/messages/BinancePublicKey.py

@@ -4,7 +4,7 @@ import protobuf as p
 
 if __debug__:
     try:
-        from typing import Dict, List  # noqa: F401
+        from typing import Dict, List, Optional  # noqa: F401
         from typing_extensions import Literal  # noqa: F401
     except ImportError:
         pass

core/src/trezor/messages/BinanceSignTx.py

@@ -4,7 +4,7 @@ import protobuf as p
 
 if __debug__:
     try:
-        from typing import Dict, List  # noqa: F401
+        from typing import Dict, List, Optional  # noqa: F401
         from typing_extensions import Literal  # noqa: F401
     except ImportError:
         pass
@@ -16,13 +16,13 @@ class BinanceSignTx(p.MessageType):
     def __init__(
         self,
         *,
-        address_n: List[int] = None,
+        address_n: Optional[List[int]] = None,
-        msg_count: int = None,
+        msg_count: Optional[int] = None,
-        account_number: int = None,
+        account_number: Optional[int] = None,
-        chain_id: str = None,
+        chain_id: Optional[str] = None,
-        memo: str = None,
+        memo: Optional[str] = None,
-        sequence: int = None,
+        sequence: Optional[int] = None,
-        source: int = None,
+        source: Optional[int] = None,
     ) -> None:
         self.address_n = address_n if address_n is not None else []
         self.msg_count = msg_count

core/src/trezor/messages/BinanceSignedTx.py

@@ -4,7 +4,7 @@ import protobuf as p
 
 if __debug__:
     try:
-        from typing import Dict, List  # noqa: F401
+        from typing import Dict, List, Optional  # noqa: F401
         from typing_extensions import Literal  # noqa: F401
     except ImportError:
         pass

core/src/trezor/messages/BinanceTransferMsg.py

@@ -6,7 +6,7 @@ from .BinanceInputOutput import BinanceInputOutput
 
 if __debug__:
     try:
-        from typing import Dict, List  # noqa: F401
+        from typing import Dict, List, Optional  # noqa: F401
         from typing_extensions import Literal  # noqa: F401
     except ImportError:
         pass
@@ -18,8 +18,8 @@ class BinanceTransferMsg(p.MessageType):
     def __init__(
         self,
         *,
-        inputs: List[BinanceInputOutput] = None,
+        inputs: Optional[List[BinanceInputOutput]] = None,
-        outputs: List[BinanceInputOutput] = None,
+        outputs: Optional[List[BinanceInputOutput]] = None,
     ) -> None:
         self.inputs = inputs if inputs is not None else []
         self.outputs = outputs if outputs is not None else []

core/src/trezor/messages/BinanceTxRequest.py

@@ -4,7 +4,7 @@ import protobuf as p
 
 if __debug__:
     try:
-        from typing import Dict, List  # noqa: F401
+        from typing import Dict, List, Optional  # noqa: F401
         from typing_extensions import Literal  # noqa: F401
     except ImportError:
         pass

core/src/trezor/messages/ButtonAck.py

@@ -4,7 +4,7 @@ import protobuf as p
 
 if __debug__:
     try:
-        from typing import Dict, List  # noqa: F401
+        from typing import Dict, List, Optional  # noqa: F401
         from typing_extensions import Literal  # noqa: F401
     except ImportError:
         pass

core/src/trezor/messages/ButtonRequest.py

@@ -4,7 +4,7 @@ import protobuf as p
 
 if __debug__:
     try:
-        from typing import Dict, List  # noqa: F401
+        from typing import Dict, List, Optional  # noqa: F401
         from typing_extensions import Literal  # noqa: F401
         EnumTypeButtonRequestType = Literal[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20]
     except ImportError:
@@ -17,7 +17,7 @@ class ButtonRequest(p.MessageType):
     def __init__(
         self,
         *,
-        code: EnumTypeButtonRequestType = None,
+        code: Optional[EnumTypeButtonRequestType] = None,
     ) -> None:
         self.code = code
 

core/src/trezor/messages/Cancel.py

@@ -4,7 +4,7 @@ import protobuf as p
 
 if __debug__:
     try:
-        from typing import Dict, List  # noqa: F401
+        from typing import Dict, List, Optional  # noqa: F401
         from typing_extensions import Literal  # noqa: F401
     except ImportError:
         pass

core/src/trezor/messages/CancelAuthorization.py

@@ -4,7 +4,7 @@ import protobuf as p
 
 if __debug__:
     try:
-        from typing import Dict, List  # noqa: F401
+        from typing import Dict, List, Optional  # noqa: F401
         from typing_extensions import Literal  # noqa: F401
     except ImportError:
         pass

core/src/trezor/messages/CardanoAddress.py

@@ -4,7 +4,7 @@ import protobuf as p
 
 if __debug__:
     try:
-        from typing import Dict, List  # noqa: F401
+        from typing import Dict, List, Optional  # noqa: F401
         from typing_extensions import Literal  # noqa: F401
     except ImportError:
         pass

core/src/trezor/messages/CardanoAddressParametersType.py

@@ -6,7 +6,7 @@ from .CardanoBlockchainPointerType import CardanoBlockchainPointerType
 
 if __debug__:
     try:
-        from typing import Dict, List  # noqa: F401
+        from typing import Dict, List, Optional  # noqa: F401
         from typing_extensions import Literal  # noqa: F401
         EnumTypeCardanoAddressType = Literal[0, 1, 2, 3, 4, 5, 6, 7, 8, 14, 15]
     except ImportError:
@@ -19,10 +19,10 @@ class CardanoAddressParametersType(p.MessageType):
         self,
         *,
         address_type: EnumTypeCardanoAddressType,
-        address_n: List[int] = None,
+        address_n: Optional[List[int]] = None,
-        address_n_staking: List[int] = None,
+        address_n_staking: Optional[List[int]] = None,
-        staking_key_hash: bytes = None,
+        staking_key_hash: Optional[bytes] = None,
-        certificate_pointer: CardanoBlockchainPointerType = None,
+        certificate_pointer: Optional[CardanoBlockchainPointerType] = None,
     ) -> None:
         self.address_n = address_n if address_n is not None else []
         self.address_n_staking = address_n_staking if address_n_staking is not None else []

core/src/trezor/messages/CardanoAssetGroupType.py

@@ -6,7 +6,7 @@ from .CardanoTokenType import CardanoTokenType
 
 if __debug__:
     try:
-        from typing import Dict, List  # noqa: F401
+        from typing import Dict, List, Optional  # noqa: F401
         from typing_extensions import Literal  # noqa: F401
     except ImportError:
         pass
@@ -18,7 +18,7 @@ class CardanoAssetGroupType(p.MessageType):
         self,
         *,
         policy_id: bytes,
-        tokens: List[CardanoTokenType] = None,
+        tokens: Optional[List[CardanoTokenType]] = None,
     ) -> None:
         self.tokens = tokens if tokens is not None else []
         self.policy_id = policy_id

core/src/trezor/messages/CardanoBlockchainPointerType.py

@@ -4,7 +4,7 @@ import protobuf as p
 
 if __debug__:
     try:
-        from typing import Dict, List  # noqa: F401
+        from typing import Dict, List, Optional  # noqa: F401
         from typing_extensions import Literal  # noqa: F401
     except ImportError:
         pass

core/src/trezor/messages/CardanoGetAddress.py

@@ -6,7 +6,7 @@ from .CardanoAddressParametersType import CardanoAddressParametersType
 
 if __debug__:
     try:
-        from typing import Dict, List  # noqa: F401
+        from typing import Dict, List, Optional  # noqa: F401
         from typing_extensions import Literal  # noqa: F401
     except ImportError:
         pass

core/src/trezor/messages/CardanoGetPublicKey.py

@@ -4,7 +4,7 @@ import protobuf as p
 
 if __debug__:
     try:
-        from typing import Dict, List  # noqa: F401
+        from typing import Dict, List, Optional  # noqa: F401
         from typing_extensions import Literal  # noqa: F401
     except ImportError:
         pass
@@ -16,8 +16,8 @@ class CardanoGetPublicKey(p.MessageType):
     def __init__(
         self,
         *,
-        address_n: List[int] = None,
+        address_n: Optional[List[int]] = None,
-        show_display: bool = None,
+        show_display: Optional[bool] = None,
     ) -> None:
         self.address_n = address_n if address_n is not None else []
         self.show_display = show_display

core/src/trezor/messages/CardanoPoolMetadataType.py

@@ -4,7 +4,7 @@ import protobuf as p
 
 if __debug__:
     try:
-        from typing import Dict, List  # noqa: F401
+        from typing import Dict, List, Optional  # noqa: F401
         from typing_extensions import Literal  # noqa: F401
     except ImportError:
         pass

core/src/trezor/messages/CardanoPoolOwnerType.py

@@ -4,7 +4,7 @@ import protobuf as p
 
 if __debug__:
     try:
-        from typing import Dict, List  # noqa: F401
+        from typing import Dict, List, Optional  # noqa: F401
         from typing_extensions import Literal  # noqa: F401
     except ImportError:
         pass
@@ -15,8 +15,8 @@ class CardanoPoolOwnerType(p.MessageType):
     def __init__(
         self,
         *,
-        staking_key_path: List[int] = None,
+        staking_key_path: Optional[List[int]] = None,
-        staking_key_hash: bytes = None,
+        staking_key_hash: Optional[bytes] = None,
     ) -> None:
         self.staking_key_path = staking_key_path if staking_key_path is not None else []
         self.staking_key_hash = staking_key_hash

core/src/trezor/messages/CardanoPoolParametersType.py

@@ -8,7 +8,7 @@ from .CardanoPoolRelayParametersType import CardanoPoolRelayParametersType
 
 if __debug__:
     try:
-        from typing import Dict, List  # noqa: F401
+        from typing import Dict, List, Optional  # noqa: F401
         from typing_extensions import Literal  # noqa: F401
     except ImportError:
         pass
@@ -26,9 +26,9 @@ class CardanoPoolParametersType(p.MessageType):
         margin_numerator: int,
         margin_denominator: int,
         reward_account: str,
-        owners: List[CardanoPoolOwnerType] = None,
+        owners: Optional[List[CardanoPoolOwnerType]] = None,
-        relays: List[CardanoPoolRelayParametersType] = None,
+        relays: Optional[List[CardanoPoolRelayParametersType]] = None,
-        metadata: CardanoPoolMetadataType = None,
+        metadata: Optional[CardanoPoolMetadataType] = None,
     ) -> None:
         self.owners = owners if owners is not None else []
         self.relays = relays if relays is not None else []

core/src/trezor/messages/CardanoPoolRelayParametersType.py

@@ -4,7 +4,7 @@ import protobuf as p
 
 if __debug__:
     try:
-        from typing import Dict, List  # noqa: F401
+        from typing import Dict, List, Optional  # noqa: F401
         from typing_extensions import Literal  # noqa: F401
         EnumTypeCardanoPoolRelayType = Literal[0, 1, 2]
     except ImportError:
@@ -17,10 +17,10 @@ class CardanoPoolRelayParametersType(p.MessageType):
         self,
         *,
         type: EnumTypeCardanoPoolRelayType,
-        ipv4_address: bytes = None,
+        ipv4_address: Optional[bytes] = None,
-        ipv6_address: bytes = None,
+        ipv6_address: Optional[bytes] = None,
-        host_name: str = None,
+        host_name: Optional[str] = None,
-        port: int = None,
+        port: Optional[int] = None,
     ) -> None:
         self.type = type
         self.ipv4_address = ipv4_address

core/src/trezor/messages/CardanoPublicKey.py

@@ -6,7 +6,7 @@ from .HDNodeType import HDNodeType
 
 if __debug__:
     try:
-        from typing import Dict, List  # noqa: F401
+        from typing import Dict, List, Optional  # noqa: F401
         from typing_extensions import Literal  # noqa: F401
     except ImportError:
         pass

core/src/trezor/messages/CardanoSignTx.py

@@ -9,7 +9,7 @@ from .CardanoTxWithdrawalType import CardanoTxWithdrawalType
 
 if __debug__:
     try:
-        from typing import Dict, List  # noqa: F401
+        from typing import Dict, List, Optional  # noqa: F401
         from typing_extensions import Literal  # noqa: F401
     except ImportError:
         pass
@@ -24,13 +24,13 @@ class CardanoSignTx(p.MessageType):
         protocol_magic: int,
         fee: int,
         network_id: int,
-        inputs: List[CardanoTxInputType] = None,
+        inputs: Optional[List[CardanoTxInputType]] = None,
-        outputs: List[CardanoTxOutputType] = None,
+        outputs: Optional[List[CardanoTxOutputType]] = None,
-        certificates: List[CardanoTxCertificateType] = None,
+        certificates: Optional[List[CardanoTxCertificateType]] = None,
-        withdrawals: List[CardanoTxWithdrawalType] = None,
+        withdrawals: Optional[List[CardanoTxWithdrawalType]] = None,
-        ttl: int = None,
+        ttl: Optional[int] = None,
-        metadata: bytes = None,
+        metadata: Optional[bytes] = None,
-        validity_interval_start: int = None,
+        validity_interval_start: Optional[int] = None,
     ) -> None:
         self.inputs = inputs if inputs is not None else []
         self.outputs = outputs if outputs is not None else []

core/src/trezor/messages/CardanoSignedTx.py

@@ -4,7 +4,7 @@ import protobuf as p
 
 if __debug__:
     try:
-        from typing import Dict, List  # noqa: F401
+        from typing import Dict, List, Optional  # noqa: F401
         from typing_extensions import Literal  # noqa: F401
     except ImportError:
         pass
@@ -17,7 +17,7 @@ class CardanoSignedTx(p.MessageType):
         self,
         *,
         tx_hash: bytes,
-        serialized_tx: bytes = None,
+        serialized_tx: Optional[bytes] = None,
     ) -> None:
         self.tx_hash = tx_hash
         self.serialized_tx = serialized_tx

core/src/trezor/messages/CardanoSignedTxChunk.py

@@ -4,7 +4,7 @@ import protobuf as p
 
 if __debug__:
     try:
-        from typing import Dict, List  # noqa: F401
+        from typing import Dict, List, Optional  # noqa: F401
         from typing_extensions import Literal  # noqa: F401
     except ImportError:
         pass

core/src/trezor/messages/CardanoSignedTxChunkAck.py

@@ -4,7 +4,7 @@ import protobuf as p
 
 if __debug__:
     try:
-        from typing import Dict, List  # noqa: F401
+        from typing import Dict, List, Optional  # noqa: F401
         from typing_extensions import Literal  # noqa: F401
     except ImportError:
         pass

core/src/trezor/messages/CardanoTokenType.py

@@ -4,7 +4,7 @@ import protobuf as p
 
 if __debug__:
     try:
-        from typing import Dict, List  # noqa: F401
+        from typing import Dict, List, Optional  # noqa: F401
         from typing_extensions import Literal  # noqa: F401
     except ImportError:
         pass

core/src/trezor/messages/CardanoTxCertificateType.py

@@ -6,7 +6,7 @@ from .CardanoPoolParametersType import CardanoPoolParametersType
 
 if __debug__:
     try:
-        from typing import Dict, List  # noqa: F401
+        from typing import Dict, List, Optional  # noqa: F401
         from typing_extensions import Literal  # noqa: F401
         EnumTypeCardanoCertificateType = Literal[0, 1, 2, 3]
     except ImportError:
@@ -19,9 +19,9 @@ class CardanoTxCertificateType(p.MessageType):
         self,
         *,
         type: EnumTypeCardanoCertificateType,
-        path: List[int] = None,
+        path: Optional[List[int]] = None,
-        pool: bytes = None,
+        pool: Optional[bytes] = None,
-        pool_parameters: CardanoPoolParametersType = None,
+        pool_parameters: Optional[CardanoPoolParametersType] = None,
     ) -> None:
         self.path = path if path is not None else []
         self.type = type

core/src/trezor/messages/CardanoTxInputType.py

@@ -4,7 +4,7 @@ import protobuf as p
 
 if __debug__:
     try:
-        from typing import Dict, List  # noqa: F401
+        from typing import Dict, List, Optional  # noqa: F401
         from typing_extensions import Literal  # noqa: F401
     except ImportError:
         pass
@@ -17,7 +17,7 @@ class CardanoTxInputType(p.MessageType):
         *,
         prev_hash: bytes,
         prev_index: int,
-        address_n: List[int] = None,
+        address_n: Optional[List[int]] = None,
     ) -> None:
         self.address_n = address_n if address_n is not None else []
         self.prev_hash = prev_hash

core/src/trezor/messages/CardanoTxOutputType.py

@@ -7,7 +7,7 @@ from .CardanoAssetGroupType import CardanoAssetGroupType
 
 if __debug__:
     try:
-        from typing import Dict, List  # noqa: F401
+        from typing import Dict, List, Optional  # noqa: F401
         from typing_extensions import Literal  # noqa: F401
     except ImportError:
         pass
@@ -19,9 +19,9 @@ class CardanoTxOutputType(p.MessageType):
         self,
         *,
         amount: int,
-        token_bundle: List[CardanoAssetGroupType] = None,
+        token_bundle: Optional[List[CardanoAssetGroupType]] = None,
-        address: str = None,
+        address: Optional[str] = None,
-        address_parameters: CardanoAddressParametersType = None,
+        address_parameters: Optional[CardanoAddressParametersType] = None,
     ) -> None:
         self.token_bundle = token_bundle if token_bundle is not None else []
         self.amount = amount

core/src/trezor/messages/CardanoTxWithdrawalType.py

@@ -4,7 +4,7 @@ import protobuf as p
 
 if __debug__:
     try:
-        from typing import Dict, List  # noqa: F401
+        from typing import Dict, List, Optional  # noqa: F401
         from typing_extensions import Literal  # noqa: F401
     except ImportError:
         pass
@@ -16,7 +16,7 @@ class CardanoTxWithdrawalType(p.MessageType):
         self,
         *,
         amount: int,
-        path: List[int] = None,
+        path: Optional[List[int]] = None,
     ) -> None:
         self.path = path if path is not None else []
         self.amount = amount

core/src/trezor/messages/ChangePin.py

@@ -4,7 +4,7 @@ import protobuf as p
 
 if __debug__:
     try:
-        from typing import Dict, List  # noqa: F401
+        from typing import Dict, List, Optional  # noqa: F401
         from typing_extensions import Literal  # noqa: F401
     except ImportError:
         pass
@@ -16,7 +16,7 @@ class ChangePin(p.MessageType):
     def __init__(
         self,
         *,
-        remove: bool = None,
+        remove: Optional[bool] = None,
     ) -> None:
         self.remove = remove
 

core/src/trezor/messages/ChangeWipeCode.py

@@ -4,7 +4,7 @@ import protobuf as p
 
 if __debug__:
     try:
-        from typing import Dict, List  # noqa: F401
+        from typing import Dict, List, Optional  # noqa: F401
         from typing_extensions import Literal  # noqa: F401
     except ImportError:
         pass
@@ -16,7 +16,7 @@ class ChangeWipeCode(p.MessageType):
     def __init__(
         self,
         *,
-        remove: bool = None,
+        remove: Optional[bool] = None,
     ) -> None:
         self.remove = remove
 

core/src/trezor/messages/CipherKeyValue.py

@@ -4,7 +4,7 @@ import protobuf as p
 
 if __debug__:
     try:
-        from typing import Dict, List  # noqa: F401
+        from typing import Dict, List, Optional  # noqa: F401
         from typing_extensions import Literal  # noqa: F401
     except ImportError:
         pass
@@ -18,11 +18,11 @@ class CipherKeyValue(p.MessageType):
         *,
         key: str,
         value: bytes,
-        address_n: List[int] = None,
+        address_n: Optional[List[int]] = None,
-        encrypt: bool = None,
+        encrypt: Optional[bool] = None,
-        ask_on_encrypt: bool = None,
+        ask_on_encrypt: Optional[bool] = None,
-        ask_on_decrypt: bool = None,
+        ask_on_decrypt: Optional[bool] = None,
-        iv: bytes = None,
+        iv: Optional[bytes] = None,
     ) -> None:
         self.address_n = address_n if address_n is not None else []
         self.key = key

core/src/trezor/messages/CipheredKeyValue.py

@@ -4,7 +4,7 @@ import protobuf as p
 
 if __debug__:
     try:
-        from typing import Dict, List  # noqa: F401
+        from typing import Dict, List, Optional  # noqa: F401
         from typing_extensions import Literal  # noqa: F401
     except ImportError:
         pass

core/src/trezor/messages/DebugLinkDecision.py

@@ -4,7 +4,7 @@ import protobuf as p
 
 if __debug__:
     try:
-        from typing import Dict, List  # noqa: F401
+        from typing import Dict, List, Optional  # noqa: F401
         from typing_extensions import Literal  # noqa: F401
         EnumTypeDebugSwipeDirection = Literal[0, 1, 2, 3]
     except ImportError:
@@ -17,13 +17,13 @@ class DebugLinkDecision(p.MessageType):
     def __init__(
         self,
         *,
-        yes_no: bool = None,
+        yes_no: Optional[bool] = None,
-        swipe: EnumTypeDebugSwipeDirection = None,
+        swipe: Optional[EnumTypeDebugSwipeDirection] = None,
-        input: str = None,
+        input: Optional[str] = None,
-        x: int = None,
+        x: Optional[int] = None,
-        y: int = None,
+        y: Optional[int] = None,
-        wait: bool = None,
+        wait: Optional[bool] = None,
-        hold_ms: int = None,
+        hold_ms: Optional[int] = None,
     ) -> None:
         self.yes_no = yes_no
         self.swipe = swipe

core/src/trezor/messages/DebugLinkEraseSdCard.py

@@ -4,7 +4,7 @@ import protobuf as p
 
 if __debug__:
     try:
-        from typing import Dict, List  # noqa: F401
+        from typing import Dict, List, Optional  # noqa: F401
         from typing_extensions import Literal  # noqa: F401
     except ImportError:
         pass
@@ -16,7 +16,7 @@ class DebugLinkEraseSdCard(p.MessageType):
     def __init__(
         self,
         *,
-        format: bool = None,
+        format: Optional[bool] = None,
     ) -> None:
         self.format = format
 

core/src/trezor/messages/DebugLinkGetState.py

@@ -4,7 +4,7 @@ import protobuf as p
 
 if __debug__:
     try:
-        from typing import Dict, List  # noqa: F401
+        from typing import Dict, List, Optional  # noqa: F401
         from typing_extensions import Literal  # noqa: F401
     except ImportError:
         pass
@@ -16,9 +16,9 @@ class DebugLinkGetState(p.MessageType):
     def __init__(
         self,
         *,
-        wait_word_list: bool = None,
+        wait_word_list: Optional[bool] = None,
-        wait_word_pos: bool = None,
+        wait_word_pos: Optional[bool] = None,
-        wait_layout: bool = None,
+        wait_layout: Optional[bool] = None,
     ) -> None:
         self.wait_word_list = wait_word_list
         self.wait_word_pos = wait_word_pos

core/src/trezor/messages/DebugLinkLayout.py

@@ -4,7 +4,7 @@ import protobuf as p
 
 if __debug__:
     try:
-        from typing import Dict, List  # noqa: F401
+        from typing import Dict, List, Optional  # noqa: F401
         from typing_extensions import Literal  # noqa: F401
     except ImportError:
         pass
@@ -16,7 +16,7 @@ class DebugLinkLayout(p.MessageType):
     def __init__(
         self,
         *,
-        lines: List[str] = None,
+        lines: Optional[List[str]] = None,
     ) -> None:
         self.lines = lines if lines is not None else []
 

core/src/trezor/messages/DebugLinkRecordScreen.py

@@ -4,7 +4,7 @@ import protobuf as p
 
 if __debug__:
     try:
-        from typing import Dict, List  # noqa: F401
+        from typing import Dict, List, Optional  # noqa: F401
         from typing_extensions import Literal  # noqa: F401
     except ImportError:
         pass
@@ -16,7 +16,7 @@ class DebugLinkRecordScreen(p.MessageType):
     def __init__(
         self,
         *,
-        target_directory: str = None,
+        target_directory: Optional[str] = None,
     ) -> None:
         self.target_directory = target_directory
 

core/src/trezor/messages/DebugLinkReseedRandom.py

@@ -4,7 +4,7 @@ import protobuf as p
 
 if __debug__:
     try:
-        from typing import Dict, List  # noqa: F401
+        from typing import Dict, List, Optional  # noqa: F401
         from typing_extensions import Literal  # noqa: F401
     except ImportError:
         pass
@@ -16,7 +16,7 @@ class DebugLinkReseedRandom(p.MessageType):
     def __init__(
         self,
         *,
-        value: int = None,
+        value: Optional[int] = None,
     ) -> None:
         self.value = value
 

core/src/trezor/messages/DebugLinkState.py

@@ -6,7 +6,7 @@ from .HDNodeType import HDNodeType
 
 if __debug__:
     try:
-        from typing import Dict, List  # noqa: F401
+        from typing import Dict, List, Optional  # noqa: F401
         from typing_extensions import Literal  # noqa: F401
     except ImportError:
         pass
@@ -18,19 +18,19 @@ class DebugLinkState(p.MessageType):
     def __init__(
         self,
         *,
-        layout_lines: List[str] = None,
+        layout_lines: Optional[List[str]] = None,
-        layout: bytes = None,
+        layout: Optional[bytes] = None,
-        pin: str = None,
+        pin: Optional[str] = None,
-        matrix: str = None,
+        matrix: Optional[str] = None,
-        mnemonic_secret: bytes = None,
+        mnemonic_secret: Optional[bytes] = None,
-        node: HDNodeType = None,
+        node: Optional[HDNodeType] = None,
-        passphrase_protection: bool = None,
+        passphrase_protection: Optional[bool] = None,
-        reset_word: str = None,
+        reset_word: Optional[str] = None,
-        reset_entropy: bytes = None,
+        reset_entropy: Optional[bytes] = None,
-        recovery_fake_word: str = None,
+        recovery_fake_word: Optional[str] = None,
-        recovery_word_pos: int = None,
+        recovery_word_pos: Optional[int] = None,
-        reset_word_pos: int = None,
+        reset_word_pos: Optional[int] = None,
-        mnemonic_type: int = None,
+        mnemonic_type: Optional[int] = None,
     ) -> None:
         self.layout_lines = layout_lines if layout_lines is not None else []
         self.layout = layout

core/src/trezor/messages/DebugLinkWatchLayout.py

@@ -4,7 +4,7 @@ import protobuf as p
 
 if __debug__:
     try:
-        from typing import Dict, List  # noqa: F401
+        from typing import Dict, List, Optional  # noqa: F401
         from typing_extensions import Literal  # noqa: F401
     except ImportError:
         pass
@@ -16,7 +16,7 @@ class DebugLinkWatchLayout(p.MessageType):
     def __init__(
         self,
         *,
-        watch: bool = None,
+        watch: Optional[bool] = None,
     ) -> None:
         self.watch = watch
 

core/src/trezor/messages/DebugMoneroDiagAck.py

@@ -4,7 +4,7 @@ import protobuf as p
 
 if __debug__:
     try:
-        from typing import Dict, List  # noqa: F401
+        from typing import Dict, List, Optional  # noqa: F401
         from typing_extensions import Literal  # noqa: F401
     except ImportError:
         pass
@@ -16,12 +16,12 @@ class DebugMoneroDiagAck(p.MessageType):
     def __init__(
         self,
         *,
-        pd: List[int] = None,
+        pd: Optional[List[int]] = None,
-        ins: int = None,
+        ins: Optional[int] = None,
-        p1: int = None,
+        p1: Optional[int] = None,
-        p2: int = None,
+        p2: Optional[int] = None,
-        data1: bytes = None,
+        data1: Optional[bytes] = None,
-        data2: bytes = None,
+        data2: Optional[bytes] = None,
     ) -> None:
         self.pd = pd if pd is not None else []
         self.ins = ins

core/src/trezor/messages/DebugMoneroDiagRequest.py

@@ -4,7 +4,7 @@ import protobuf as p
 
 if __debug__:
     try:
-        from typing import Dict, List  # noqa: F401
+        from typing import Dict, List, Optional  # noqa: F401
         from typing_extensions import Literal  # noqa: F401
     except ImportError:
         pass
@@ -16,12 +16,12 @@ class DebugMoneroDiagRequest(p.MessageType):
     def __init__(
         self,
         *,
-        pd: List[int] = None,
+        pd: Optional[List[int]] = None,
-        ins: int = None,
+        ins: Optional[int] = None,
-        p1: int = None,
+        p1: Optional[int] = None,
-        p2: int = None,
+        p2: Optional[int] = None,
-        data1: bytes = None,
+        data1: Optional[bytes] = None,
-        data2: bytes = None,
+        data2: Optional[bytes] = None,
     ) -> None:
         self.pd = pd if pd is not None else []
         self.ins = ins

core/src/trezor/messages/Deprecated_PassphraseStateAck.py

@@ -4,7 +4,7 @@ import protobuf as p
 
 if __debug__:
     try:
-        from typing import Dict, List  # noqa: F401
+        from typing import Dict, List, Optional  # noqa: F401
         from typing_extensions import Literal  # noqa: F401
     except ImportError:
         pass

core/src/trezor/messages/Deprecated_PassphraseStateRequest.py

@@ -4,7 +4,7 @@ import protobuf as p
 
 if __debug__:
     try:
-        from typing import Dict, List  # noqa: F401
+        from typing import Dict, List, Optional  # noqa: F401
         from typing_extensions import Literal  # noqa: F401
     except ImportError:
         pass
@@ -16,7 +16,7 @@ class Deprecated_PassphraseStateRequest(p.MessageType):
     def __init__(
         self,
         *,
-        state: bytes = None,
+        state: Optional[bytes] = None,
     ) -> None:
         self.state = state
 

core/src/trezor/messages/DoPreauthorized.py

@@ -4,7 +4,7 @@ import protobuf as p
 
 if __debug__:
     try:
-        from typing import Dict, List  # noqa: F401
+        from typing import Dict, List, Optional  # noqa: F401
         from typing_extensions import Literal  # noqa: F401
     except ImportError:
         pass

core/src/trezor/messages/ECDHSessionKey.py

@@ -4,7 +4,7 @@ import protobuf as p
 
 if __debug__:
     try:
-        from typing import Dict, List  # noqa: F401
+        from typing import Dict, List, Optional  # noqa: F401
         from typing_extensions import Literal  # noqa: F401
     except ImportError:
         pass
@@ -17,7 +17,7 @@ class ECDHSessionKey(p.MessageType):
         self,
         *,
         session_key: bytes,
-        public_key: bytes = None,
+        public_key: Optional[bytes] = None,
     ) -> None:
         self.session_key = session_key
         self.public_key = public_key

core/src/trezor/messages/EndSession.py

@@ -4,7 +4,7 @@ import protobuf as p
 
 if __debug__:
     try:
-        from typing import Dict, List  # noqa: F401
+        from typing import Dict, List, Optional  # noqa: F401
         from typing_extensions import Literal  # noqa: F401
     except ImportError:
         pass

core/src/trezor/messages/Entropy.py

@@ -4,7 +4,7 @@ import protobuf as p
 
 if __debug__:
     try:
-        from typing import Dict, List  # noqa: F401
+        from typing import Dict, List, Optional  # noqa: F401
         from typing_extensions import Literal  # noqa: F401
     except ImportError:
         pass

core/src/trezor/messages/EntropyAck.py

@@ -4,7 +4,7 @@ import protobuf as p
 
 if __debug__:
     try:
-        from typing import Dict, List  # noqa: F401
+        from typing import Dict, List, Optional  # noqa: F401
         from typing_extensions import Literal  # noqa: F401
     except ImportError:
         pass
@@ -16,7 +16,7 @@ class EntropyAck(p.MessageType):
     def __init__(
         self,
         *,
-        entropy: bytes = None,
+        entropy: Optional[bytes] = None,
     ) -> None:
         self.entropy = entropy
 

core/src/trezor/messages/EntropyRequest.py

@@ -4,7 +4,7 @@ import protobuf as p
 
 if __debug__:
     try:
-        from typing import Dict, List  # noqa: F401
+        from typing import Dict, List, Optional  # noqa: F401
         from typing_extensions import Literal  # noqa: F401
     except ImportError:
         pass

core/src/trezor/messages/EosActionBuyRam.py

@@ -6,7 +6,7 @@ from .EosAsset import EosAsset
 
 if __debug__:
     try:
-        from typing import Dict, List  # noqa: F401
+        from typing import Dict, List, Optional  # noqa: F401
         from typing_extensions import Literal  # noqa: F401
     except ImportError:
         pass
@@ -17,9 +17,9 @@ class EosActionBuyRam(p.MessageType):
     def __init__(
         self,
         *,
-        payer: int = None,
+        payer: Optional[int] = None,
-        receiver: int = None,
+        receiver: Optional[int] = None,
-        quantity: EosAsset = None,
+        quantity: Optional[EosAsset] = None,
     ) -> None:
         self.payer = payer
         self.receiver = receiver

core/src/trezor/messages/EosActionBuyRamBytes.py

@@ -4,7 +4,7 @@ import protobuf as p
 
 if __debug__:
     try:
-        from typing import Dict, List  # noqa: F401
+        from typing import Dict, List, Optional  # noqa: F401
         from typing_extensions import Literal  # noqa: F401
     except ImportError:
         pass
@@ -15,9 +15,9 @@ class EosActionBuyRamBytes(p.MessageType):
     def __init__(
         self,
         *,
-        payer: int = None,
+        payer: Optional[int] = None,
-        receiver: int = None,
+        receiver: Optional[int] = None,
-        bytes: int = None,
+        bytes: Optional[int] = None,
     ) -> None:
         self.payer = payer
         self.receiver = receiver

core/src/trezor/messages/EosActionCommon.py

@@ -6,7 +6,7 @@ from .EosPermissionLevel import EosPermissionLevel
 
 if __debug__:
     try:
-        from typing import Dict, List  # noqa: F401
+        from typing import Dict, List, Optional  # noqa: F401
         from typing_extensions import Literal  # noqa: F401
     except ImportError:
         pass
@@ -17,9 +17,9 @@ class EosActionCommon(p.MessageType):
     def __init__(
         self,
         *,
-        authorization: List[EosPermissionLevel] = None,
+        authorization: Optional[List[EosPermissionLevel]] = None,
-        account: int = None,
+        account: Optional[int] = None,
-        name: int = None,
+        name: Optional[int] = None,
     ) -> None:
         self.authorization = authorization if authorization is not None else []
         self.account = account

core/src/trezor/messages/EosActionDelegate.py

@@ -6,7 +6,7 @@ from .EosAsset import EosAsset
 
 if __debug__:
     try:
-        from typing import Dict, List  # noqa: F401
+        from typing import Dict, List, Optional  # noqa: F401
         from typing_extensions import Literal  # noqa: F401
     except ImportError:
         pass
@@ -17,11 +17,11 @@ class EosActionDelegate(p.MessageType):
     def __init__(
         self,
         *,
-        sender: int = None,
+        sender: Optional[int] = None,
-        receiver: int = None,
+        receiver: Optional[int] = None,
-        net_quantity: EosAsset = None,
+        net_quantity: Optional[EosAsset] = None,
-        cpu_quantity: EosAsset = None,
+        cpu_quantity: Optional[EosAsset] = None,
-        transfer: bool = None,
+        transfer: Optional[bool] = None,
     ) -> None:
         self.sender = sender
         self.receiver = receiver

core/src/trezor/messages/EosActionDeleteAuth.py

@@ -4,7 +4,7 @@ import protobuf as p
 
 if __debug__:
     try:
-        from typing import Dict, List  # noqa: F401
+        from typing import Dict, List, Optional  # noqa: F401
         from typing_extensions import Literal  # noqa: F401
     except ImportError:
         pass
@@ -15,8 +15,8 @@ class EosActionDeleteAuth(p.MessageType):
     def __init__(
         self,
         *,
-        account: int = None,
+        account: Optional[int] = None,
-        permission: int = None,
+        permission: Optional[int] = None,
     ) -> None:
         self.account = account
         self.permission = permission

core/src/trezor/messages/EosActionLinkAuth.py

@@ -4,7 +4,7 @@ import protobuf as p
 
 if __debug__:
     try:
-        from typing import Dict, List  # noqa: F401
+        from typing import Dict, List, Optional  # noqa: F401
         from typing_extensions import Literal  # noqa: F401
     except ImportError:
         pass
@@ -15,10 +15,10 @@ class EosActionLinkAuth(p.MessageType):
     def __init__(
         self,
         *,
-        account: int = None,
+        account: Optional[int] = None,
-        code: int = None,
+        code: Optional[int] = None,
-        type: int = None,
+        type: Optional[int] = None,
-        requirement: int = None,
+        requirement: Optional[int] = None,
     ) -> None:
         self.account = account
         self.code = code

core/src/trezor/messages/EosActionNewAccount.py

@@ -6,7 +6,7 @@ from .EosAuthorization import EosAuthorization
 
 if __debug__:
     try:
-        from typing import Dict, List  # noqa: F401
+        from typing import Dict, List, Optional  # noqa: F401
         from typing_extensions import Literal  # noqa: F401
     except ImportError:
         pass
@@ -17,10 +17,10 @@ class EosActionNewAccount(p.MessageType):
     def __init__(
         self,
         *,
-        creator: int = None,
+        creator: Optional[int] = None,
-        name: int = None,
+        name: Optional[int] = None,
-        owner: EosAuthorization = None,
+        owner: Optional[EosAuthorization] = None,
-        active: EosAuthorization = None,
+        active: Optional[EosAuthorization] = None,
     ) -> None:
         self.creator = creator
         self.name = name

core/src/trezor/messages/EosActionRefund.py

@@ -4,7 +4,7 @@ import protobuf as p
 
 if __debug__:
     try:
-        from typing import Dict, List  # noqa: F401
+        from typing import Dict, List, Optional  # noqa: F401
         from typing_extensions import Literal  # noqa: F401
     except ImportError:
         pass
@@ -15,7 +15,7 @@ class EosActionRefund(p.MessageType):
     def __init__(
         self,
         *,
-        owner: int = None,
+        owner: Optional[int] = None,
     ) -> None:
         self.owner = owner
 

core/src/trezor/messages/EosActionSellRam.py

@@ -4,7 +4,7 @@ import protobuf as p
 
 if __debug__:
     try:
-        from typing import Dict, List  # noqa: F401
+        from typing import Dict, List, Optional  # noqa: F401
         from typing_extensions import Literal  # noqa: F401
     except ImportError:
         pass
@@ -15,8 +15,8 @@ class EosActionSellRam(p.MessageType):
     def __init__(
         self,
         *,
-        account: int = None,
+        account: Optional[int] = None,
-        bytes: int = None,
+        bytes: Optional[int] = None,
     ) -> None:
         self.account = account
         self.bytes = bytes

core/src/trezor/messages/EosActionTransfer.py

@@ -6,7 +6,7 @@ from .EosAsset import EosAsset
 
 if __debug__:
     try:
-        from typing import Dict, List  # noqa: F401
+        from typing import Dict, List, Optional  # noqa: F401
         from typing_extensions import Literal  # noqa: F401
     except ImportError:
         pass
@@ -17,10 +17,10 @@ class EosActionTransfer(p.MessageType):
     def __init__(
         self,
         *,
-        sender: int = None,
+        sender: Optional[int] = None,
-        receiver: int = None,
+        receiver: Optional[int] = None,
-        quantity: EosAsset = None,
+        quantity: Optional[EosAsset] = None,
-        memo: str = None,
+        memo: Optional[str] = None,
     ) -> None:
         self.sender = sender
         self.receiver = receiver

core/src/trezor/messages/EosActionUndelegate.py

@@ -6,7 +6,7 @@ from .EosAsset import EosAsset
 
 if __debug__:
     try:
-        from typing import Dict, List  # noqa: F401
+        from typing import Dict, List, Optional  # noqa: F401
         from typing_extensions import Literal  # noqa: F401
     except ImportError:
         pass
@@ -17,10 +17,10 @@ class EosActionUndelegate(p.MessageType):
     def __init__(
         self,
         *,
-        sender: int = None,
+        sender: Optional[int] = None,
-        receiver: int = None,
+        receiver: Optional[int] = None,
-        net_quantity: EosAsset = None,
+        net_quantity: Optional[EosAsset] = None,
-        cpu_quantity: EosAsset = None,
+        cpu_quantity: Optional[EosAsset] = None,
     ) -> None:
         self.sender = sender
         self.receiver = receiver

core/src/trezor/messages/EosActionUnknown.py

@@ -4,7 +4,7 @@ import protobuf as p
 
 if __debug__:
     try:
-        from typing import Dict, List  # noqa: F401
+        from typing import Dict, List, Optional  # noqa: F401
         from typing_extensions import Literal  # noqa: F401
     except ImportError:
         pass
@@ -16,7 +16,7 @@ class EosActionUnknown(p.MessageType):
         self,
         *,
         data_size: int,
-        data_chunk: bytes = None,
+        data_chunk: Optional[bytes] = None,
     ) -> None:
         self.data_size = data_size
         self.data_chunk = data_chunk

core/src/trezor/messages/EosActionUnlinkAuth.py

@@ -4,7 +4,7 @@ import protobuf as p
 
 if __debug__:
     try:
-        from typing import Dict, List  # noqa: F401
+        from typing import Dict, List, Optional  # noqa: F401
         from typing_extensions import Literal  # noqa: F401
     except ImportError:
         pass
@@ -15,9 +15,9 @@ class EosActionUnlinkAuth(p.MessageType):
     def __init__(
         self,
         *,
-        account: int = None,
+        account: Optional[int] = None,
-        code: int = None,
+        code: Optional[int] = None,
-        type: int = None,
+        type: Optional[int] = None,
     ) -> None:
         self.account = account
         self.code = code

core/src/trezor/messages/EosActionUpdateAuth.py

@@ -6,7 +6,7 @@ from .EosAuthorization import EosAuthorization
 
 if __debug__:
     try:
-        from typing import Dict, List  # noqa: F401
+        from typing import Dict, List, Optional  # noqa: F401
         from typing_extensions import Literal  # noqa: F401
     except ImportError:
         pass
@@ -17,10 +17,10 @@ class EosActionUpdateAuth(p.MessageType):
     def __init__(
         self,
         *,
-        account: int = None,
+        account: Optional[int] = None,
-        permission: int = None,
+        permission: Optional[int] = None,
-        parent: int = None,
+        parent: Optional[int] = None,
-        auth: EosAuthorization = None,
+        auth: Optional[EosAuthorization] = None,
     ) -> None:
         self.account = account
         self.permission = permission

core/src/trezor/messages/EosActionVoteProducer.py

@@ -4,7 +4,7 @@ import protobuf as p
 
 if __debug__:
     try:
-        from typing import Dict, List  # noqa: F401
+        from typing import Dict, List, Optional  # noqa: F401
         from typing_extensions import Literal  # noqa: F401
     except ImportError:
         pass
@@ -15,9 +15,9 @@ class EosActionVoteProducer(p.MessageType):
     def __init__(
         self,
         *,
-        producers: List[int] = None,
+        producers: Optional[List[int]] = None,
-        voter: int = None,
+        voter: Optional[int] = None,
-        proxy: int = None,
+        proxy: Optional[int] = None,
     ) -> None:
         self.producers = producers if producers is not None else []
         self.voter = voter

core/src/trezor/messages/EosAsset.py

@@ -4,7 +4,7 @@ import protobuf as p
 
 if __debug__:
     try:
-        from typing import Dict, List  # noqa: F401
+        from typing import Dict, List, Optional  # noqa: F401
         from typing_extensions import Literal  # noqa: F401
     except ImportError:
         pass
@@ -15,8 +15,8 @@ class EosAsset(p.MessageType):
     def __init__(
         self,
         *,
-        amount: int = None,
+        amount: Optional[int] = None,
-        symbol: int = None,
+        symbol: Optional[int] = None,
     ) -> None:
         self.amount = amount
         self.symbol = symbol

core/src/trezor/messages/EosAuthorization.py

@@ -8,7 +8,7 @@ from .EosAuthorizationWait import EosAuthorizationWait
 
 if __debug__:
     try:
-        from typing import Dict, List  # noqa: F401
+        from typing import Dict, List, Optional  # noqa: F401
         from typing_extensions import Literal  # noqa: F401
     except ImportError:
         pass
@@ -19,10 +19,10 @@ class EosAuthorization(p.MessageType):
     def __init__(
         self,
         *,
-        keys: List[EosAuthorizationKey] = None,
+        keys: Optional[List[EosAuthorizationKey]] = None,
-        accounts: List[EosAuthorizationAccount] = None,
+        accounts: Optional[List[EosAuthorizationAccount]] = None,
-        waits: List[EosAuthorizationWait] = None,
+        waits: Optional[List[EosAuthorizationWait]] = None,
-        threshold: int = None,
+        threshold: Optional[int] = None,
     ) -> None:
         self.keys = keys if keys is not None else []
         self.accounts = accounts if accounts is not None else []

core/src/trezor/messages/EosAuthorizationAccount.py

@@ -6,7 +6,7 @@ from .EosPermissionLevel import EosPermissionLevel
 
 if __debug__:
     try:
-        from typing import Dict, List  # noqa: F401
+        from typing import Dict, List, Optional  # noqa: F401
         from typing_extensions import Literal  # noqa: F401
     except ImportError:
         pass
@@ -17,8 +17,8 @@ class EosAuthorizationAccount(p.MessageType):
     def __init__(
         self,
         *,
-        account: EosPermissionLevel = None,
+        account: Optional[EosPermissionLevel] = None,
-        weight: int = None,
+        weight: Optional[int] = None,
     ) -> None:
         self.account = account
         self.weight = weight

core/src/trezor/messages/EosAuthorizationKey.py

@@ -4,7 +4,7 @@ import protobuf as p
 
 if __debug__:
     try:
-        from typing import Dict, List  # noqa: F401
+        from typing import Dict, List, Optional  # noqa: F401
         from typing_extensions import Literal  # noqa: F401
     except ImportError:
         pass
@@ -17,8 +17,8 @@ class EosAuthorizationKey(p.MessageType):
         *,
         type: int,
         weight: int,
-        address_n: List[int] = None,
+        address_n: Optional[List[int]] = None,
-        key: bytes = None,
+        key: Optional[bytes] = None,
     ) -> None:
         self.address_n = address_n if address_n is not None else []
         self.type = type

core/src/trezor/messages/EosAuthorizationWait.py

@@ -4,7 +4,7 @@ import protobuf as p
 
 if __debug__:
     try:
-        from typing import Dict, List  # noqa: F401
+        from typing import Dict, List, Optional  # noqa: F401
         from typing_extensions import Literal  # noqa: F401
     except ImportError:
         pass
@@ -15,8 +15,8 @@ class EosAuthorizationWait(p.MessageType):
     def __init__(
         self,
         *,
-        wait_sec: int = None,
+        wait_sec: Optional[int] = None,
-        weight: int = None,
+        weight: Optional[int] = None,
     ) -> None:
         self.wait_sec = wait_sec
         self.weight = weight

core/src/trezor/messages/EosGetPublicKey.py

@@ -4,7 +4,7 @@ import protobuf as p
 
 if __debug__:
     try:
-        from typing import Dict, List  # noqa: F401
+        from typing import Dict, List, Optional  # noqa: F401
         from typing_extensions import Literal  # noqa: F401
     except ImportError:
         pass
@@ -16,8 +16,8 @@ class EosGetPublicKey(p.MessageType):
     def __init__(
         self,
         *,
-        address_n: List[int] = None,
+        address_n: Optional[List[int]] = None,
-        show_display: bool = None,
+        show_display: Optional[bool] = None,
     ) -> None:
         self.address_n = address_n if address_n is not None else []
         self.show_display = show_display

core/src/trezor/messages/EosPermissionLevel.py

@@ -4,7 +4,7 @@ import protobuf as p
 
 if __debug__:
     try:
-        from typing import Dict, List  # noqa: F401
+        from typing import Dict, List, Optional  # noqa: F401
         from typing_extensions import Literal  # noqa: F401
     except ImportError:
         pass
@@ -15,8 +15,8 @@ class EosPermissionLevel(p.MessageType):
     def __init__(
         self,
         *,
-        actor: int = None,
+        actor: Optional[int] = None,
-        permission: int = None,
+        permission: Optional[int] = None,
     ) -> None:
         self.actor = actor
         self.permission = permission

core/src/trezor/messages/EosPublicKey.py

@@ -4,7 +4,7 @@ import protobuf as p
 
 if __debug__:
     try:
-        from typing import Dict, List  # noqa: F401
+        from typing import Dict, List, Optional  # noqa: F401
         from typing_extensions import Literal  # noqa: F401
     except ImportError:
         pass

core/src/trezor/messages/EosSignTx.py

@@ -6,7 +6,7 @@ from .EosTxHeader import EosTxHeader
 
 if __debug__:
     try:
-        from typing import Dict, List  # noqa: F401
+        from typing import Dict, List, Optional  # noqa: F401
         from typing_extensions import Literal  # noqa: F401
     except ImportError:
         pass
@@ -18,10 +18,10 @@ class EosSignTx(p.MessageType):
     def __init__(
         self,
         *,
-        address_n: List[int] = None,
+        address_n: Optional[List[int]] = None,
-        chain_id: bytes = None,
+        chain_id: Optional[bytes] = None,
-        header: EosTxHeader = None,
+        header: Optional[EosTxHeader] = None,
-        num_actions: int = None,
+        num_actions: Optional[int] = None,
     ) -> None:
         self.address_n = address_n if address_n is not None else []
         self.chain_id = chain_id

core/src/trezor/messages/EosSignedTx.py

@@ -4,7 +4,7 @@ import protobuf as p
 
 if __debug__:
     try:
-        from typing import Dict, List  # noqa: F401
+        from typing import Dict, List, Optional  # noqa: F401
         from typing_extensions import Literal  # noqa: F401
     except ImportError:
         pass

core/src/trezor/messages/EosTxActionAck.py

@@ -20,7 +20,7 @@ from .EosActionVoteProducer import EosActionVoteProducer
 
 if __debug__:
     try:
-        from typing import Dict, List  # noqa: F401
+        from typing import Dict, List, Optional  # noqa: F401
         from typing_extensions import Literal  # noqa: F401
     except ImportError:
         pass
@@ -32,21 +32,21 @@ class EosTxActionAck(p.MessageType):
     def __init__(
         self,
         *,
-        common: EosActionCommon = None,
+        common: Optional[EosActionCommon] = None,
-        transfer: EosActionTransfer = None,
+        transfer: Optional[EosActionTransfer] = None,
-        delegate: EosActionDelegate = None,
+        delegate: Optional[EosActionDelegate] = None,
-        undelegate: EosActionUndelegate = None,
+        undelegate: Optional[EosActionUndelegate] = None,
-        refund: EosActionRefund = None,
+        refund: Optional[EosActionRefund] = None,
-        buy_ram: EosActionBuyRam = None,
+        buy_ram: Optional[EosActionBuyRam] = None,
-        buy_ram_bytes: EosActionBuyRamBytes = None,
+        buy_ram_bytes: Optional[EosActionBuyRamBytes] = None,
-        sell_ram: EosActionSellRam = None,
+        sell_ram: Optional[EosActionSellRam] = None,
-        vote_producer: EosActionVoteProducer = None,
+        vote_producer: Optional[EosActionVoteProducer] = None,
-        update_auth: EosActionUpdateAuth = None,
+        update_auth: Optional[EosActionUpdateAuth] = None,
-        delete_auth: EosActionDeleteAuth = None,
+        delete_auth: Optional[EosActionDeleteAuth] = None,
-        link_auth: EosActionLinkAuth = None,
+        link_auth: Optional[EosActionLinkAuth] = None,
-        unlink_auth: EosActionUnlinkAuth = None,
+        unlink_auth: Optional[EosActionUnlinkAuth] = None,
-        new_account: EosActionNewAccount = None,
+        new_account: Optional[EosActionNewAccount] = None,
-        unknown: EosActionUnknown = None,
+        unknown: Optional[EosActionUnknown] = None,
     ) -> None:
         self.common = common
         self.transfer = transfer

core/src/trezor/messages/EosTxActionRequest.py

@@ -4,7 +4,7 @@ import protobuf as p
 
 if __debug__:
     try:
-        from typing import Dict, List  # noqa: F401
+        from typing import Dict, List, Optional  # noqa: F401
         from typing_extensions import Literal  # noqa: F401
     except ImportError:
         pass
@@ -16,7 +16,7 @@ class EosTxActionRequest(p.MessageType):
     def __init__(
         self,
         *,
-        data_size: int = None,
+        data_size: Optional[int] = None,
     ) -> None:
         self.data_size = data_size
 

core/src/trezor/messages/EosTxHeader.py

@@ -4,7 +4,7 @@ import protobuf as p
 
 if __debug__:
     try:
-        from typing import Dict, List  # noqa: F401
+        from typing import Dict, List, Optional  # noqa: F401
         from typing_extensions import Literal  # noqa: F401
     except ImportError:
         pass

core/src/trezor/messages/EthereumAddress.py

@@ -4,7 +4,7 @@ import protobuf as p
 
 if __debug__:
     try:
-        from typing import Dict, List  # noqa: F401
+        from typing import Dict, List, Optional  # noqa: F401
         from typing_extensions import Literal  # noqa: F401
     except ImportError:
         pass
@@ -16,7 +16,7 @@ class EthereumAddress(p.MessageType):
     def __init__(
         self,
         *,
-        address: str = None,
+        address: Optional[str] = None,
     ) -> None:
         self.address = address
 

core/src/trezor/messages/EthereumGetAddress.py

@@ -4,7 +4,7 @@ import protobuf as p
 
 if __debug__:
     try:
-        from typing import Dict, List  # noqa: F401
+        from typing import Dict, List, Optional  # noqa: F401
         from typing_extensions import Literal  # noqa: F401
     except ImportError:
         pass
@@ -16,8 +16,8 @@ class EthereumGetAddress(p.MessageType):
     def __init__(
         self,
         *,
-        address_n: List[int] = None,
+        address_n: Optional[List[int]] = None,
-        show_display: bool = None,
+        show_display: Optional[bool] = None,
     ) -> None:
         self.address_n = address_n if address_n is not None else []
         self.show_display = show_display

core/src/trezor/messages/EthereumGetPublicKey.py

@@ -4,7 +4,7 @@ import protobuf as p
 
 if __debug__:
     try:
-        from typing import Dict, List  # noqa: F401
+        from typing import Dict, List, Optional  # noqa: F401
         from typing_extensions import Literal  # noqa: F401
     except ImportError:
         pass
@@ -16,8 +16,8 @@ class EthereumGetPublicKey(p.MessageType):
     def __init__(
         self,
         *,
-        address_n: List[int] = None,
+        address_n: Optional[List[int]] = None,
-        show_display: bool = None,
+        show_display: Optional[bool] = None,
     ) -> None:
         self.address_n = address_n if address_n is not None else []
         self.show_display = show_display

core/src/trezor/messages/EthereumMessageSignature.py

@@ -4,7 +4,7 @@ import protobuf as p
 
 if __debug__:
     try:
-        from typing import Dict, List  # noqa: F401
+        from typing import Dict, List, Optional  # noqa: F401
         from typing_extensions import Literal  # noqa: F401
     except ImportError:
         pass

core/src/trezor/messages/EthereumPublicKey.py

@@ -6,7 +6,7 @@ from .HDNodeType import HDNodeType
 
 if __debug__:
     try:
-        from typing import Dict, List  # noqa: F401
+        from typing import Dict, List, Optional  # noqa: F401
         from typing_extensions import Literal  # noqa: F401
     except ImportError:
         pass

core/src/trezor/messages/EthereumSignMessage.py

@@ -4,7 +4,7 @@ import protobuf as p
 
 if __debug__:
     try:
-        from typing import Dict, List  # noqa: F401
+        from typing import Dict, List, Optional  # noqa: F401
         from typing_extensions import Literal  # noqa: F401
     except ImportError:
         pass
@@ -16,8 +16,8 @@ class EthereumSignMessage(p.MessageType):
     def __init__(
         self,
         *,
-        address_n: List[int] = None,
+        address_n: Optional[List[int]] = None,
-        message: bytes = None,
+        message: Optional[bytes] = None,
     ) -> None:
         self.address_n = address_n if address_n is not None else []
         self.message = message

core/src/trezor/messages/EthereumSignTx.py

@@ -4,7 +4,7 @@ import protobuf as p
 
 if __debug__:
     try:
-        from typing import Dict, List  # noqa: F401
+        from typing import Dict, List, Optional  # noqa: F401
         from typing_extensions import Literal  # noqa: F401
     except ImportError:
         pass
@@ -16,16 +16,16 @@ class EthereumSignTx(p.MessageType):
     def __init__(
         self,
         *,
-        address_n: List[int] = None,
+        address_n: Optional[List[int]] = None,
-        nonce: bytes = None,
+        nonce: Optional[bytes] = None,
-        gas_price: bytes = None,
+        gas_price: Optional[bytes] = None,
-        gas_limit: bytes = None,
+        gas_limit: Optional[bytes] = None,
-        to: str = None,
+        to: Optional[str] = None,
-        value: bytes = None,
+        value: Optional[bytes] = None,
-        data_initial_chunk: bytes = None,
+        data_initial_chunk: Optional[bytes] = None,
-        data_length: int = None,
+        data_length: Optional[int] = None,
-        chain_id: int = None,
+        chain_id: Optional[int] = None,
-        tx_type: int = None,
+        tx_type: Optional[int] = None,
     ) -> None:
         self.address_n = address_n if address_n is not None else []
         self.nonce = nonce

core/src/trezor/messages/EthereumTxAck.py

@@ -4,7 +4,7 @@ import protobuf as p
 
 if __debug__:
     try:
-        from typing import Dict, List  # noqa: F401
+        from typing import Dict, List, Optional  # noqa: F401
         from typing_extensions import Literal  # noqa: F401
     except ImportError:
         pass
@@ -16,7 +16,7 @@ class EthereumTxAck(p.MessageType):
     def __init__(
         self,
         *,
-        data_chunk: bytes = None,
+        data_chunk: Optional[bytes] = None,
     ) -> None:
         self.data_chunk = data_chunk