lbrycrd/src/script/sigcache.h

31 lines
1,009 B
C
Raw Normal View History

2014-09-10 16:16:09 +02:00
// Copyright (c) 2009-2010 Satoshi Nakamoto
2015-12-13 17:58:29 +01:00
// Copyright (c) 2009-2015 The Bitcoin Core developers
// Distributed under the MIT software license, see the accompanying
2014-09-10 16:16:09 +02:00
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
2014-11-03 16:16:40 +01:00
#ifndef BITCOIN_SCRIPT_SIGCACHE_H
#define BITCOIN_SCRIPT_SIGCACHE_H
2014-09-10 16:16:09 +02:00
#include "script/interpreter.h"
#include <vector>
// DoS prevention: limit cache size to less than 40MB (over 500000
// entries on 64-bit systems).
static const unsigned int DEFAULT_MAX_SIG_CACHE_SIZE = 40;
2014-09-10 16:16:09 +02:00
class CPubKey;
class CachingTransactionSignatureChecker : public TransactionSignatureChecker
2014-09-10 16:16:09 +02:00
{
private:
bool store;
2014-09-10 16:16:09 +02:00
public:
CachingTransactionSignatureChecker(const CTransaction* txToIn, unsigned int nInIn, const CAmount& amount, bool storeIn) : TransactionSignatureChecker(txToIn, nInIn, amount), store(storeIn) {}
2014-09-10 16:16:09 +02:00
bool VerifySignature(const std::vector<unsigned char>& vchSig, const CPubKey& vchPubKey, const uint256& sighash) const;
2014-09-10 16:16:09 +02:00
};
2014-11-03 16:16:40 +01:00
#endif // BITCOIN_SCRIPT_SIGCACHE_H