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Unit test for ellswift creation/decoding roundtrip

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Co-authored-by: Pieter Wuille <bitcoin-dev@wuille.net>
This commit is contained in:
dhruv 2023-04-17 18:04:11 -04:00 committed by Pieter Wuille
parent eff72a0dff
commit aae432a764
1 changed files with 20 additions and 0 deletions
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20
src/test/key_tests.cpp
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@ -344,4 +344,24 @@ BOOST_AUTO_TEST_CASE(bip340_test_vectors)
}
}
BOOST_AUTO_TEST_CASE(key_ellswift)
{
for (const auto& secret : {strSecret1, strSecret2, strSecret1C, strSecret2C}) {
CKey key = DecodeSecret(secret);
BOOST_CHECK(key.IsValid());
uint256 ent32 = InsecureRand256();
auto ellswift = key.EllSwiftCreate(AsBytes(Span{ent32}));
CPubKey decoded_pubkey = ellswift.Decode();
if (!key.IsCompressed()) {
// The decoding constructor returns a compressed pubkey. If the
// original was uncompressed, we must decompress the decoded one
// to compare.
decoded_pubkey.Decompress();
}
BOOST_CHECK(key.GetPubKey() == decoded_pubkey);
}
}
BOOST_AUTO_TEST_SUITE_END()