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Code Issues Releases Wiki Activity

core/bitcoin: Move BIP32_WALLET_DEPTH to common.

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This commit is contained in:
Andrew Kozlik 2020-06-30 09:01:05 +02:00 committed by Andrew Kozlik
parent bbab13f6e7
commit dc32a17335
2 changed files with 5 additions and 6 deletions
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3
core/src/apps/bitcoin/common.py
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@ -18,6 +18,9 @@ BITCOIN_NAMES = ("Bitcoin", "Regtest", "Testnet")
# Default signature hash type in Bitcoin which signs all inputs and all outputs of the transaction. # Default signature hash type in Bitcoin which signs all inputs and all outputs of the transaction.
SIGHASH_ALL = const(0x01) SIGHASH_ALL = const(0x01)
# The number of bip32 levels used in a wallet (chain and address)
BIP32_WALLET_DEPTH = const(2)
# supported witness version for bech32 addresses # supported witness version for bech32 addresses
_BECH32_WITVER = const(0x00) _BECH32_WITVER = const(0x00)

8
core/src/apps/bitcoin/sign_tx/matchcheck.py
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@ -1,18 +1,14 @@
from micropython import const
from trezor import wire from trezor import wire
from trezor.messages.TxInputType import TxInputType from trezor.messages.TxInputType import TxInputType
from trezor.messages.TxOutputType import TxOutputType from trezor.messages.TxOutputType import TxOutputType
from trezor.utils import ensure from trezor.utils import ensure
from .. import multisig from .. import multisig
from ..common import BIP32_WALLET_DEPTH
if False: if False:
from typing import Any, Union from typing import Any, Union
# the number of bip32 levels used in a wallet (chain and address)
_BIP32_WALLET_DEPTH = const(2)
class MatchChecker: class MatchChecker:
""" """
@ -85,7 +81,7 @@ class WalletPathChecker(MatchChecker):
def attribute_from_tx(self, txio: Union[TxInputType, TxOutputType]) -> Any: def attribute_from_tx(self, txio: Union[TxInputType, TxOutputType]) -> Any:
if not txio.address_n: if not txio.address_n:
return None return None
return txio.address_n[:-_BIP32_WALLET_DEPTH] return txio.address_n[:-BIP32_WALLET_DEPTH]
class MultisigFingerprintChecker(MatchChecker): class MultisigFingerprintChecker(MatchChecker):