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Code Issues Releases Wiki Activity

core/bitcoin: Support preauthorization in GetOwnershipProof message.

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Andrew Kozlik 2020-07-23 17:04:16 +02:00 committed by Andrew Kozlik
parent c772de9d3c
commit 00258f2d4d
1 changed files with 21 additions and 11 deletions
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32
core/src/apps/bitcoin/get_ownership_proof.py
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@ -14,7 +14,9 @@ from .keychain import with_keychain
from .ownership import generate_proof, get_identifier from .ownership import generate_proof, get_identifier
if False: if False:
from typing import Optional
from apps.common.keychain import Keychain from apps.common.keychain import Keychain
from .authorization import CoinJoinAuthorization
# Maximum number of characters per line in monospace font. # Maximum number of characters per line in monospace font.
_MAX_MONO_LINE = 18 _MAX_MONO_LINE = 18
@ -22,17 +24,25 @@ _MAX_MONO_LINE = 18
@with_keychain @with_keychain
async def get_ownership_proof( async def get_ownership_proof(
ctx, msg: GetOwnershipProof, keychain: Keychain, coin: coininfo.CoinInfo ctx,
msg: GetOwnershipProof,
keychain: Keychain,
coin: coininfo.CoinInfo,
authorization: Optional[CoinJoinAuthorization] = None,
) -> OwnershipProof: ) -> OwnershipProof:
await validate_path( if authorization:
ctx, if not authorization.check_get_ownership_proof(msg):
addresses.validate_full_path, raise wire.ProcessError("Unauthorized operation")
keychain, else:
msg.address_n, await validate_path(
coin.curve_name, ctx,
coin=coin, addresses.validate_full_path,
script_type=msg.script_type, keychain,
) msg.address_n,
coin.curve_name,
coin=coin,
script_type=msg.script_type,
)
if msg.script_type not in common.INTERNAL_INPUT_SCRIPT_TYPES: if msg.script_type not in common.INTERNAL_INPUT_SCRIPT_TYPES:
raise wire.DataError("Invalid script type") raise wire.DataError("Invalid script type")
@ -57,7 +67,7 @@ async def get_ownership_proof(
msg.ownership_ids = [ownership_id] msg.ownership_ids = [ownership_id]
# In order to set the "user confirmation" bit in the proof, the user must actually confirm. # In order to set the "user confirmation" bit in the proof, the user must actually confirm.
if msg.user_confirmation: if msg.user_confirmation and not authorization:
text = Text("Proof of ownership", ui.ICON_CONFIG) text = Text("Proof of ownership", ui.ICON_CONFIG)
text.normal("Do you want to create a") text.normal("Do you want to create a")
if not msg.commitment_data: if not msg.commitment_data: