blob: 050bf8cc4229089251bf3fc6d977e17ee000f193 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
|
// Copyright (c) 2009-2010 Satoshi Nakamoto
// Copyright (c) 2009-2015 The Bitcoin Core developers
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#ifndef BITCOIN_SCRIPT_SIGCACHE_H
#define BITCOIN_SCRIPT_SIGCACHE_H
#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;
class CPubKey;
class CachingTransactionSignatureChecker : public TransactionSignatureChecker
{
private:
bool store;
public:
CachingTransactionSignatureChecker(const CTransaction* txToIn, unsigned int nInIn, const CAmount& amount, bool storeIn) : TransactionSignatureChecker(txToIn, nInIn, amount), store(storeIn) {}
bool VerifySignature(const std::vector<unsigned char>& vchSig, const CPubKey& vchPubKey, const uint256& sighash) const;
};
#endif // BITCOIN_SCRIPT_SIGCACHE_H
|
