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Extract consts for WITNESS_V0 hash sizes

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This commit is contained in:
Ben Woosley 2018-04-10 20:13:32 -07:00
parent 0a8054e7cd
commit 3450a9b25c
No known key found for this signature in database
GPG key ID: 4D8CA4BA18040906
4 changed files with 11 additions and 7 deletions
src/script
interpreter.cpp

8
src/script/interpreter.cpp
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@ -1361,7 +1361,7 @@ static bool VerifyWitnessProgram(const CScriptWitness& witness, int witversion,
CScript scriptPubKey;
if (witversion == 0) {
if (program.size() == 32) {
if (program.size() == WITNESS_V0_SCRIPTHASH_SIZE) {
// Version 0 segregated witness program: SHA256(CScript) inside the program, CScript + inputs in witness
if (witness.stack.size() == 0) {
return set_error(serror, SCRIPT_ERR_WITNESS_PROGRAM_WITNESS_EMPTY);
@ -1373,7 +1373,7 @@ static bool VerifyWitnessProgram(const CScriptWitness& witness, int witversion,
if (memcmp(hashScriptPubKey.begin(), program.data(), 32)) {
return set_error(serror, SCRIPT_ERR_WITNESS_PROGRAM_MISMATCH);
}
} else if (program.size() == 20) {
} else if (program.size() == WITNESS_V0_KEYHASH_SIZE) {
// Special case for pay-to-pubkeyhash; signature + pubkey in witness
if (witness.stack.size() != 2) {
return set_error(serror, SCRIPT_ERR_WITNESS_PROGRAM_MISMATCH); // 2 items in witness
@ -1530,10 +1530,10 @@ bool VerifyScript(const CScript& scriptSig, const CScript& scriptPubKey, const C
size_t static WitnessSigOps(int witversion, const std::vector<unsigned char>& witprogram, const CScriptWitness& witness, int flags)
{
if (witversion == 0) {
if (witprogram.size() == 20)
if (witprogram.size() == WITNESS_V0_KEYHASH_SIZE)
return 1;
if (witprogram.size() == 32 && witness.stack.size() > 0) {
if (witprogram.size() == WITNESS_V0_SCRIPTHASH_SIZE && witness.stack.size() > 0) {
CScript subscript(witness.stack.back().begin(), witness.stack.back().end());
return subscript.GetSigOpCount(true);
}