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feat(contacts): sign btc address with nostr

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This commit is contained in:
obrusvit 2024-12-11 15:16:55 +01:00
parent c91590426d
commit 38977ac0d9
1 changed files with 28 additions and 3 deletions
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31
core/src/apps/bitcoin/get_address.py
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@ -3,8 +3,12 @@ from typing import TYPE_CHECKING
from trezor.enums import MultisigPubkeysOrder
from apps.common import safety_checks
from apps.common.coininfo import by_name as coin_by_name
from apps.common.coininfo import by_name as coin_by_name,
from .keychain import get_keychain_for_coin
from apps.nostr import CURVE, SLIP44_ID, PATTERN
from trezor.messages import NostrEventSignature, NostrSignEvent
from apps.common.keychain import get_keychain, with_slip44_keychain
from .common import multisig_uses_single_path
from .keychain import with_keychain
@ -36,7 +40,7 @@ def _get_xpubs(
return result
async def sign_from_testnet_priv_key(address_to_sign: str) -> bytes:
async def sign_with_testnet_priv_key(address_to_sign: str) -> bytes:
"""Sign address with the first Bitcoin testnet private key derived from standard path"""
from trezor.crypto.curve import secp256k1
from apps.common.signverify import message_digest
@ -69,6 +73,26 @@ async def sign_from_testnet_priv_key(address_to_sign: str) -> bytes:
return signature
@with_slip44_keychain(PATTERN, slip44_id=SLIP44_ID, curve=CURVE)
async def sign_with_nostr(msg: NostrSignEvent, keychain: Keychain) -> NostrEventSignature:
"""Sign address with the nostr nsec"""
from trezor.crypto.curve import secp256k1
from trezor.crypto.hashlib import sha256
# nost_address = "m/44'/1237'/0'/0/0"
NOSTR_ADDRESS_PATH = [2147483692, 2147484885, 2147483648, 0, 0]
address_to_sign = msg.content or ""
node = keychain.derive(NOSTR_ADDRESS_PATH)
# pk = node.public_key()[-32:]
sk = node.private_key()
digest = sha256(address_to_sign).digest()
signature = secp256k1.sign(sk, digest)[-64:]
return NostrEventSignature(pubkey=b"", id=b"", signature=signature)
@with_keychain
async def get_address(msg: GetAddress, keychain: Keychain, coin: CoinInfo) -> Address:
from trezor.enums import InputScriptType
@ -183,7 +207,8 @@ async def get_address(msg: GetAddress, keychain: Keychain, coin: CoinInfo) -> Ad
)
else:
account = address_n_to_name_or_unknown(coin, address_n, script_type)
signature = await sign_from_testnet_priv_key(address)
res = await sign_with_nostr(NostrSignEvent(address_n=[1,2,3,4], content=address))
signature = res.signature
await show_address(
address_short,
address_qr=address,