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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 trezor.enums import MultisigPubkeysOrder
from apps.common import safety_checks 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 .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 .common import multisig_uses_single_path
from .keychain import with_keychain from .keychain import with_keychain
@ -36,7 +40,7 @@ def _get_xpubs(
return result 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""" """Sign address with the first Bitcoin testnet private key derived from standard path"""
from trezor.crypto.curve import secp256k1 from trezor.crypto.curve import secp256k1
from apps.common.signverify import message_digest 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 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 @with_keychain
async def get_address(msg: GetAddress, keychain: Keychain, coin: CoinInfo) -> Address: async def get_address(msg: GetAddress, keychain: Keychain, coin: CoinInfo) -> Address:
from trezor.enums import InputScriptType from trezor.enums import InputScriptType
@ -183,7 +207,8 @@ async def get_address(msg: GetAddress, keychain: Keychain, coin: CoinInfo) -> Ad
) )
else: else:
account = address_n_to_name_or_unknown(coin, address_n, script_type) 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( await show_address(
address_short, address_short,
address_qr=address, address_qr=address,