diff options
| -rw-r--r-- | src/policy/policy.cpp | 2 | ||||
| -rw-r--r-- | src/script/interpreter.cpp | 8 | ||||
| -rw-r--r-- | src/script/interpreter.h | 4 | ||||
| -rw-r--r-- | src/script/standard.cpp | 4 |
4 files changed, 11 insertions, 7 deletions
diff --git a/src/policy/policy.cpp b/src/policy/policy.cpp index c3f65fb2ab..5963bf371a 100644 --- a/src/policy/policy.cpp +++ b/src/policy/policy.cpp @@ -230,7 +230,7 @@ bool IsWitnessStandard(const CTransaction& tx, const CCoinsViewCache& mapInputs) return false; // Check P2WSH standard limits - if (witnessversion == 0 && witnessprogram.size() == 32) { + if (witnessversion == 0 && witnessprogram.size() == WITNESS_V0_SCRIPTHASH_SIZE) { if (tx.vin[i].scriptWitness.stack.back().size() > MAX_STANDARD_P2WSH_SCRIPT_SIZE) return false; size_t sizeWitnessStack = tx.vin[i].scriptWitness.stack.size() - 1; diff --git a/src/script/interpreter.cpp b/src/script/interpreter.cpp index 182f4a3327..338e07e24e 100644 --- a/src/script/interpreter.cpp +++ b/src/script/interpreter.cpp @@ -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); } diff --git a/src/script/interpreter.h b/src/script/interpreter.h index bb7750d783..601a4a866d 100644 --- a/src/script/interpreter.h +++ b/src/script/interpreter.h @@ -129,6 +129,10 @@ enum class SigVersion WITNESS_V0 = 1, }; +/** Signature hash sizes */ +static constexpr size_t WITNESS_V0_SCRIPTHASH_SIZE = 32; +static constexpr size_t WITNESS_V0_KEYHASH_SIZE = 20; + uint256 SignatureHash(const CScript &scriptCode, const CTransaction& txTo, unsigned int nIn, int nHashType, const CAmount& amount, SigVersion sigversion, const PrecomputedTransactionData* cache = nullptr); class BaseSignatureChecker diff --git a/src/script/standard.cpp b/src/script/standard.cpp index 0b9053d7fc..76778112aa 100644 --- a/src/script/standard.cpp +++ b/src/script/standard.cpp @@ -66,12 +66,12 @@ bool Solver(const CScript& scriptPubKey, txnouttype& typeRet, std::vector<std::v int witnessversion; std::vector<unsigned char> witnessprogram; if (scriptPubKey.IsWitnessProgram(witnessversion, witnessprogram)) { - if (witnessversion == 0 && witnessprogram.size() == 20) { + if (witnessversion == 0 && witnessprogram.size() == WITNESS_V0_KEYHASH_SIZE) { typeRet = TX_WITNESS_V0_KEYHASH; vSolutionsRet.push_back(witnessprogram); return true; } - if (witnessversion == 0 && witnessprogram.size() == 32) { + if (witnessversion == 0 && witnessprogram.size() == WITNESS_V0_SCRIPTHASH_SIZE) { typeRet = TX_WITNESS_V0_SCRIPTHASH; vSolutionsRet.push_back(witnessprogram); return true; |