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refactor: Extract RIPEMD160

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To directly return a CRIPEMD160 hash from data.

Incidentally, decoding this acronym:
* RIPEMD -> RIPE Message Digest
* RIPE -> RACE Integrity Primitives Evaluation
* RACE -> Research and Development in Advanced Communications Technologies in Europe
This commit is contained in:
Ben Woosley
2019-01-28 11:57:50 -08:00
parent 7386da7a0b
commit 6879be691b
8 changed files with 27 additions and 20 deletions
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10
src/script/sign.cpp
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@@ -285,7 +285,6 @@ static bool SignStep(const SigningProvider& provider, const BaseSignatureCreator
std::vector<valtype>& ret, TxoutType& whichTypeRet, SigVersion sigversion, SignatureData& sigdata)
{
CScript scriptRet;
uint160 h160;
ret.clear();
std::vector<unsigned char> sig;
@@ -314,8 +313,8 @@ static bool SignStep(const SigningProvider& provider, const BaseSignatureCreator
ret.push_back(ToByteVector(pubkey));
return true;
}
case TxoutType::SCRIPTHASH:
h160 = uint160(vSolutions[0]);
case TxoutType::SCRIPTHASH: {
uint160 h160{vSolutions[0]};
if (GetCScript(provider, sigdata, CScriptID{h160}, scriptRet)) {
ret.push_back(std::vector<unsigned char>(scriptRet.begin(), scriptRet.end()));
return true;
@@ -323,7 +322,7 @@ static bool SignStep(const SigningProvider& provider, const BaseSignatureCreator
// Could not find redeemScript, add to missing
sigdata.missing_redeem_script = h160;
return false;
}
case TxoutType::MULTISIG: {
size_t required = vSolutions.front()[0];
ret.push_back(valtype()); // workaround CHECKMULTISIG bug
@@ -349,8 +348,7 @@ static bool SignStep(const SigningProvider& provider, const BaseSignatureCreator
return true;
case TxoutType::WITNESS_V0_SCRIPTHASH:
CRIPEMD160().Write(vSolutions[0].data(), vSolutions[0].size()).Finalize(h160.begin());
if (GetCScript(provider, sigdata, CScriptID{h160}, scriptRet)) {
if (GetCScript(provider, sigdata, CScriptID{RIPEMD160(vSolutions[0])}, scriptRet)) {
ret.push_back(std::vector<unsigned char>(scriptRet.begin(), scriptRet.end()));
return true;
}