1
0
mirror of https://github.com/bitcoin/bips.git synced 2025-01-18 21:35:13 +01:00

remove int_from_bytes in lift_x call since it is done internally

This commit is contained in:
Riccardo Casatta 2021-07-14 16:42:39 +02:00
parent 99701f68a8
commit 9cf5c72b56
No known key found for this signature in database
GPG Key ID: FD986A969E450397

View File

@ -180,7 +180,7 @@ def taproot_tweak_pubkey(pubkey, h):
t = int_from_bytes(tagged_hash("TapTweak", pubkey + h))
if t >= SECP256K1_ORDER:
raise ValueError
Q = point_add(lift_x(int_from_bytes(pubkey)), point_mul(G, t))
Q = point_add(lift_x(pubkey), point_mul(G, t))
return 0 if has_even_y(Q) else 1, bytes_from_int(x(Q))
def taproot_tweak_seckey(seckey0, h):