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refactor: use coincurve for sumKeys

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tecnovert
2026-01-18 23:30:37 +02:00
parent 0e092ad7e9
commit a6b5661cf1
2 changed files with 64 additions and 39 deletions
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6
basicswap/interface/base.py
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@@ -2,7 +2,7 @@
# -*- coding: utf-8 -*-
# Copyright (c) 2024 tecnovert
# Copyright (c) 2025 The Basicswap developers
# Copyright (c) 2025-2026 The Basicswap developers
# Distributed under the MIT software license, see the accompanying
# file LICENSE or http://www.opensource.org/licenses/mit-license.php.
@@ -30,6 +30,7 @@ from basicswap.util.ecc import (
)
from coincurve.dleag import verify_secp256k1_point
from coincurve.keys import (
PrivateKey,
PublicKey,
)
@@ -227,8 +228,7 @@ class Secp256k1Interface(CoinInterface, AdaptorSigInterface):
return pubkey.verify(sig, signed_hash, hasher=None)
def sumKeys(self, ka: bytes, kb: bytes) -> bytes:
# TODO: Add to coincurve
return i2b((b2i(ka) + b2i(kb)) % ep.o)
return PrivateKey(ka).add(kb).secret
def sumPubkeys(self, Ka: bytes, Kb: bytes) -> bytes:
return PublicKey.combine_keys([PublicKey(Ka), PublicKey(Kb)]).format()