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
|
2014-10-06 13:00:55 +02:00
|
|
|
// 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>
|
|
|
|
|
2015-10-30 23:14:38 +01:00
|
|
|
// 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;
|
|
|
|
|
2015-01-27 14:28:45 +01:00
|
|
|
class CachingTransactionSignatureChecker : public TransactionSignatureChecker
|
2014-09-10 16:16:09 +02:00
|
|
|
{
|
2014-09-14 04:48:32 +02:00
|
|
|
private:
|
|
|
|
bool store;
|
|
|
|
|
2014-09-10 16:16:09 +02:00
|
|
|
public:
|
2016-03-31 14:51:29 +02:00
|
|
|
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
|
|
|
|
2014-09-14 04:48:32 +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
|