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Merge pull request #1142 from RCasatta/lift_x

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remove int_from_bytes in lift_x call since it is done internally
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Luke Dashjr 2021-07-20 18:40:26 +00:00 committed by GitHub
commit 9b861c2e05
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@ -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):