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Code Issues Releases Wiki Activity

src/app/wallet: sign identity ui

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This commit is contained in:
Pavol Rusnak 2018-02-28 15:12:00 +01:00
parent ba870fbf9b
commit a38e57a31f
No known key found for this signature in database
GPG Key ID: 91F3B339B9A02A3D
1 changed files with 13 additions and 9 deletions
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22
src/apps/wallet/sign_identity.py
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@ -2,6 +2,9 @@ from trezor import ui
from trezor.crypto.hashlib import sha256
from trezor.messages.SignedIdentity import SignedIdentity
from ustruct import pack, unpack
from trezor.utils import chunks
from apps.common.confirm import require_confirm
from trezor.ui.text import Text
from ..common import coins, seed
@ -11,7 +14,8 @@ async def sign_identity(ctx, msg):
msg.ecdsa_curve_name = 'secp256k1'
identity = serialize_identity(msg.identity)
display_identity(identity, msg.challenge_visual)
await confirm_sign_identity(ctx, identity, msg.challenge_visual)
address_n = get_identity_path(identity, msg.identity.index or 0)
node = await seed.derive_node(ctx, address_n, msg.ecdsa_curve_name)
@ -39,6 +43,14 @@ async def sign_identity(ctx, msg):
return SignedIdentity(address=address, public_key=pubkey, signature=signature)
async def confirm_sign_identity(ctx, identity, challenge_visual):
lines = chunks(identity, 18)
content = Text('Sign identity', ui.ICON_DEFAULT,
challenge_visual,
ui.MONO, *lines, max_lines=5)
await require_confirm(ctx, content)
def serialize_identity(identity):
s = ''
if identity.proto:
@ -54,14 +66,6 @@ def serialize_identity(identity):
return s
def display_identity(identity: str, challenge_visual: str):
ui.display.clear()
ui.display.text(10, 30, 'Identity:',
ui.BOLD, ui.LIGHT_GREEN, ui.BG)
ui.display.text(10, 60, challenge_visual, ui.MONO, ui.FG, ui.BG)
ui.display.text(10, 80, identity, ui.MONO, ui.FG, ui.BG)
def get_identity_path(identity: str, index: int):
identity_hash = sha256(pack('<I', index) + identity).digest()