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Make taproot hashes forward display

This commit is contained in:
sanket1729 2021-11-12 13:16:40 -08:00
parent ed40f3d3a6
commit 61629cc733
1 changed files with 13 additions and 14 deletions
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27
src/util/taproot.rs
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@ -81,19 +81,18 @@ macro_rules! sha256t_hash_newtype {
};
}
// Currently all taproot hashes are defined as being displayed backwards,
// but that can be specified individually per hash.
// Taproot test vectors from BIP-341 state the hashes without any reversing
sha256t_hash_newtype!(TapLeafHash, TapLeafTag, MIDSTATE_TAPLEAF, 64,
doc="Taproot-tagged hash for tapscript Merkle tree leafs", true
doc="Taproot-tagged hash for tapscript Merkle tree leafs", false
);
sha256t_hash_newtype!(TapBranchHash, TapBranchTag, MIDSTATE_TAPBRANCH, 64,
doc="Taproot-tagged hash for tapscript Merkle tree branches", true
doc="Taproot-tagged hash for tapscript Merkle tree branches", false
);
sha256t_hash_newtype!(TapTweakHash, TapTweakTag, MIDSTATE_TAPTWEAK, 64,
doc="Taproot-tagged hash for public key tweaks", true
doc="Taproot-tagged hash for public key tweaks", false
);
sha256t_hash_newtype!(TapSighashHash, TapSighashTag, MIDSTATE_TAPSIGHASH, 64,
doc="Taproot-tagged hash for the taproot signature hash", true
doc="Taproot-tagged hash for the taproot signature hash", false
);
impl TapTweakHash {
@ -938,19 +937,19 @@ mod test {
// writer.GetSHA256().GetHex()
assert_eq!(
TapLeafHash::from_engine(TapLeafTag::engine()).to_hex(),
"cbfa0621df37662ca57697e5847b6abaf92934a1a5624916f8d177a388c21252"
"5212c288a377d1f8164962a5a13429f9ba6a7b84e59776a52c6637df2106facb"
);
assert_eq!(
TapBranchHash::from_engine(TapBranchTag::engine()).to_hex(),
"dffd9fbe4c21c893fa934f8774eda0e1efdc06f52ffbf5c1533c6f4dec73c353"
"53c373ec4d6f3c53c1f5fb2ff506dcefe1a0ed74874f93fa93c8214cbe9ffddf"
);
assert_eq!(
TapTweakHash::from_engine(TapTweakTag::engine()).to_hex(),
"e4156b45ff9b277dd92a042af9eed8c91f1d037f68f0d6b20001ab749422a48a"
"8aa4229474ab0100b2d6f0687f031d1fc9d8eef92a042ad97d279bff456b15e4"
);
assert_eq!(
TapSighashHash::from_engine(TapSighashTag::engine()).to_hex(),
"03c8b9d47cdb5f7bf924e282ce99ba8d2fe581262a04002907d8bc4a9111bcda"
"dabc11914abcd8072900042a2681e52f8dba99ce82e224f97b5fdb7cd4b9c803"
);
// 0-byte
@ -960,19 +959,19 @@ mod test {
// Note that Core writes the 0 length prefix when an empty vector is written.
assert_eq!(
TapLeafHash::hash(&[0]).to_hex(),
"29589d5122ec666ab5b4695070b6debc63881a4f85d88d93ddc90078038213ed"
"ed1382037800c9dd938dd8854f1a8863bcdeb6705069b4b56a66ec22519d5829"
);
assert_eq!(
TapBranchHash::hash(&[0]).to_hex(),
"1deb45569eb6b2da88b5c2ab46d6a64ab08d58a2fdd5f75a24e6c760194b5392"
"92534b1960c7e6245af7d5fda2588db04aa6d646abc2b588dab2b69e5645eb1d"
);
assert_eq!(
TapTweakHash::hash(&[0]).to_hex(),
"1eea90d42a359c89bbf702ddf6bde140349e95b9e8036ff1c37f04e6b53787cd"
"cd8737b5e6047fc3f16f03e8b9959e3440e1bdf6dd02f7bb899c352ad490ea1e"
);
assert_eq!(
TapSighashHash::hash(&[0]).to_hex(),
"cd10c023c300fb9a507dff136370fba1d8a0566667cfafc4099a8803e00dfdc2"
"c2fd0de003889a09c4afcf676656a0d8a1fb706313ff7d509afb00c323c010cd"
);
}