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@ -57,13 +57,16 @@ from .layout import (
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from .seed import is_byron_path, is_shelley_path
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if False:
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from typing import Any, Dict, List, Optional, Tuple, Union
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from trezor.messages.CardanoSignTx import CardanoSignTx
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from trezor.messages.CardanoTxCertificateType import CardanoTxCertificateType
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from trezor.messages.CardanoTxInputType import CardanoTxInputType
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from trezor.messages.CardanoTxOutputType import CardanoTxOutputType
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from trezor.messages.CardanoTxWithdrawalType import CardanoTxWithdrawalType
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from trezor.messages.CardanoAssetGroupType import CardanoAssetGroupType
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from typing import Dict, List, Tuple, Union
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from apps.common.cbor import CborSequence
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CborizedTokenBundle = Dict[bytes, Dict[bytes, int]]
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CborizedTxOutput = Tuple[bytes, Union[int, Tuple[int, CborizedTokenBundle]]]
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@ -156,7 +159,7 @@ async def _sign_stake_pool_registration_tx(
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return tx
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def _has_stake_pool_registration(msg: CardanoSignTx):
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def _has_stake_pool_registration(msg: CardanoSignTx) -> bool:
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return any(
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cert.type == CardanoCertificateType.STAKE_POOL_REGISTRATION
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for cert in msg.certificates
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@ -176,7 +179,9 @@ def validate_network_info(network_id: int, protocol_magic: int) -> None:
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raise wire.ProcessError("Invalid network id/protocol magic combination!")
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def _validate_stake_pool_registration_tx_structure(msg: CardanoSignTx):
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def _validate_stake_pool_registration_tx_structure(msg: CardanoSignTx) -> None:
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# ensures that there is exactly one certificate, which is stake pool registration,
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# and no withdrawals
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if (
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len(msg.certificates) != 1
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or not _has_stake_pool_registration(msg)
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@ -264,7 +269,7 @@ def _validate_max_tx_output_size(
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)
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def _ensure_no_signing_inputs(inputs: List[CardanoTxInputType]):
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def _ensure_no_signing_inputs(inputs: List[CardanoTxInputType]) -> None:
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if any(i.address_n for i in inputs):
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raise INVALID_STAKEPOOL_REGISTRATION_TX_INPUTS
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@ -285,7 +290,7 @@ def _validate_withdrawals(withdrawals: List[CardanoTxWithdrawalType]) -> None:
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raise INVALID_WITHDRAWAL
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def _validate_metadata(metadata: bytes) -> None:
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def _validate_metadata(metadata: Optional[bytes]) -> None:
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if not metadata:
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return
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@ -388,7 +393,7 @@ def _cborize_output(
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keychain, output.address_parameters, protocol_magic, network_id
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)
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else:
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# output address is validated in _validate_outputs before this happens
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assert output.address is not None # _validate_outputs
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address = get_address_bytes_unsafe(output.address)
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if not output.token_bundle:
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@ -400,11 +405,11 @@ def _cborize_output(
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def _cborize_token_bundle(
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token_bundle: List[CardanoAssetGroupType],
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) -> CborizedTokenBundle:
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result = {}
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result: CborizedTokenBundle = {}
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for token_group in token_bundle:
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cborized_policy_id = bytes(token_group.policy_id)
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result[cborized_policy_id] = cborized_token_group = {}
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cborized_token_group = result[cborized_policy_id] = {}
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for token in token_group.tokens:
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cborized_asset_name = bytes(token.asset_name_bytes)
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@ -416,7 +421,7 @@ def _cborize_token_bundle(
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def _cborize_certificates(
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keychain: seed.Keychain,
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certificates: List[CardanoTxCertificateType],
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) -> List[Tuple]:
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) -> List[CborSequence]:
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return [cborize_certificate(keychain, cert) for cert in certificates]
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@ -469,7 +474,7 @@ def _cborize_witnesses(
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# use key 0 for shelley witnesses and key 2 for byron witnesses
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# according to the spec in shelley.cddl in cardano-ledger-specs
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witnesses = {}
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witnesses: Dict[Any, Any] = {}
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if shelley_witnesses:
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witnesses[0] = shelley_witnesses
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if byron_witnesses:
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@ -499,6 +504,8 @@ def _cborize_shelley_witnesses(
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):
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paths.add(tuple(certificate.path))
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elif certificate.type == CardanoCertificateType.STAKE_POOL_REGISTRATION:
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# ensured by validate_certificate:
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assert certificate.pool_parameters is not None # validate_certificate
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for pool_owner in certificate.pool_parameters.owners:
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if pool_owner.staking_key_path:
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paths.add(tuple(pool_owner.staking_key_path))
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@ -514,7 +521,7 @@ def _cborize_shelley_witnesses(
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def _cborize_shelley_witness(
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keychain: seed.Keychain, tx_body_hash: bytes, path: List[int]
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) -> List[Tuple[bytes, bytes]]:
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) -> Tuple[bytes, bytes]:
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node = keychain.derive(path)
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signature = ed25519.sign_ext(
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@ -587,6 +594,9 @@ async def _show_stake_pool_registration_tx(
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) -> None:
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stake_pool_registration_certificate = msg.certificates[0]
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pool_parameters = stake_pool_registration_certificate.pool_parameters
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# _validate_stake_pool_registration_tx_structure ensures that there is only one
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# certificate, and validate_certificate ensures that the structure is valid
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assert pool_parameters is not None
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# display the transaction (certificate) in UI
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await confirm_stake_pool_parameters(
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@ -619,6 +629,7 @@ async def _show_outputs(
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if _should_hide_output(output.address_parameters.address_n, msg.inputs):
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continue
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else:
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assert output.address is not None # _validate_outputs
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address = output.address
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total_amount += output.amount
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@ -637,13 +648,15 @@ async def _show_change_output_staking_warnings(
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address_parameters: CardanoAddressParametersType,
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address: str,
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amount: int,
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):
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) -> None:
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address_type = address_parameters.address_type
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staking_use_case = staking_use_cases.get(keychain, address_parameters)
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if staking_use_case == staking_use_cases.NO_STAKING:
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await show_warning_tx_no_staking_info(ctx, address_type, amount)
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elif staking_use_case == staking_use_cases.POINTER_ADDRESS:
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# ensured in _derive_shelley_address:
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assert address_parameters.certificate_pointer is not None
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await show_warning_tx_pointer_address(
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ctx,
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address_parameters.certificate_pointer,
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@ -657,6 +670,8 @@ async def _show_change_output_staking_warnings(
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amount,
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)
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else:
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# ensured in _validate_base_address_staking_info:
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assert address_parameters.staking_key_hash
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await show_warning_tx_staking_key_hash(
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ctx,
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address_parameters.staking_key_hash,
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matejcik
3 years ago
committed by