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test: add secp256k1 module with FE (field element) and GE (group element) classes

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These are primarily designed for ease of understanding, not performance.
This commit is contained in:
Pieter Wuille
2022-10-01 11:35:28 -04:00
parent b741a62a2f
commit 1830dd8820
3 changed files with 376 additions and 285 deletions
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4
test/functional/feature_taproot.py
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@@ -104,8 +104,8 @@ from test_framework.key import (
sign_schnorr,
tweak_add_privkey,
ECKey,
SECP256K1
)
from test_framework import secp256k1
from test_framework.address import (
hash160,
program_to_witness,
@@ -695,7 +695,7 @@ def spenders_taproot_active():
# Generate an invalid public key
while True:
invalid_pub = random_bytes(32)
if not SECP256K1.is_x_coord(int.from_bytes(invalid_pub, 'big')):
if not secp256k1.GE.is_valid_x(int.from_bytes(invalid_pub, 'big')):
break
# Implement a test case that detects validation logic which maps invalid public keys to the