Differential D2455 Diff 7063 src/script/interpreter.cpp

Changeset View

Standalone View

src/script/interpreter.cpp

Show First 20 Lines • Show All 1,014 Lines • ▼ Show 20 Lines	try {
CScript scriptCode(pbegincodehash, pend);		CScript scriptCode(pbegincodehash, pend);

// Remove signature for pre-fork scripts		// Remove signature for pre-fork scripts
for (int k = 0; k < nSigsCount; k++) {		for (int k = 0; k < nSigsCount; k++) {
valtype &vchSig = stacktop(-isig - k);		valtype &vchSig = stacktop(-isig - k);
CleanupScriptCode(scriptCode, vchSig, flags);		CleanupScriptCode(scriptCode, vchSig, flags);
}		}

		const uint32_t msigflags =
		flags & ~SCRIPT_ENABLE_SCHNORR;
bool fSuccess = true;		bool fSuccess = true;
while (fSuccess && nSigsCount > 0) {		while (fSuccess && nSigsCount > 0) {

		deadalnixUnsubmitted Not Done Inline Actions remove deadalnix: remove
valtype &vchSig = stacktop(-isig);		valtype &vchSig = stacktop(-isig);
valtype &vchPubKey = stacktop(-ikey);		valtype &vchPubKey = stacktop(-ikey);

// Note how this makes the exact order of		// Note how this makes the exact order of
// pubkey/signature evaluation distinguishable by		// pubkey/signature evaluation distinguishable by
// CHECKMULTISIG NOT if the STRICTENC flag is set.		// CHECKMULTISIG NOT if the STRICTENC flag is set.
// See the script_(in)valid tests for details.		// See the script_(in)valid tests for details.
if (!CheckTransactionSignatureEncoding(		if (!CheckTransactionSignatureEncoding(
vchSig, flags, serror) \|\|		vchSig, msigflags, serror) \|\|
!CheckPubKeyEncoding(vchPubKey, flags,		!CheckPubKeyEncoding(vchPubKey, msigflags,
		deadalnixUnsubmitted Not Done Inline Actions revert deadalnix: revert
		markblundebergAuthorUnsubmitted Done Inline Actions true, CheckPubKeyEncoding doesn't care about this flag markblundeberg: true, CheckPubKeyEncoding doesn't care about this flag
serror)) {		serror)) {
// serror is set		// serror is set
return false;		return false;
}		}

// Check signature		// Check signature
bool fOk = checker.CheckSig(vchSig, vchPubKey,		bool fOk = checker.CheckSig(vchSig, vchPubKey,
scriptCode, flags);		scriptCode, msigflags);

if (fOk) {		if (fOk) {
isig++;		isig++;
nSigsCount--;		nSigsCount--;
}		}
ikey++;		ikey++;
nKeysCount--;		nKeysCount--;

▲ Show 20 Lines • Show All 411 Lines • ▼ Show 20 Lines	uint256 SignatureHash(const CScript &scriptCode, const CTransaction &txTo,
ss << txTmp << sigHashType;		ss << txTmp << sigHashType;
return ss.GetHash();		return ss.GetHash();
}		}

bool BaseSignatureChecker::VerifySignature(const std::vector<uint8_t> &vchSig,		bool BaseSignatureChecker::VerifySignature(const std::vector<uint8_t> &vchSig,
const CPubKey &pubkey,		const CPubKey &pubkey,
const uint256 &sighash,		const uint256 &sighash,
uint32_t flags) const {		uint32_t flags) const {
		if ((flags & SCRIPT_ENABLE_SCHNORR) && (vchSig.size() == 64)) {
		return pubkey.VerifySchnorr(sighash, vchSig);
		} else {
return pubkey.VerifyECDSA(sighash, vchSig);		return pubkey.VerifyECDSA(sighash, vchSig);
}		}
		}

bool TransactionSignatureChecker::CheckSig(		bool TransactionSignatureChecker::CheckSig(
const std::vector<uint8_t> &vchSigIn, const std::vector<uint8_t> &vchPubKey,		const std::vector<uint8_t> &vchSigIn, const std::vector<uint8_t> &vchPubKey,
const CScript &scriptCode, uint32_t flags) const {		const CScript &scriptCode, uint32_t flags) const {
CPubKey pubkey(vchPubKey);		CPubKey pubkey(vchPubKey);
if (!pubkey.IsValid()) {		if (!pubkey.IsValid()) {
return false;		return false;
}		}
▲ Show 20 Lines • Show All 187 Lines • Show Last 20 Lines