Differential D297 Diff 746 src/script/interpreter.h

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src/script/interpreter.h

// Copyright (c) 2009-2010 Satoshi Nakamoto		// Copyright (c) 2009-2010 Satoshi Nakamoto
// Copyright (c) 2009-2016 The Bitcoin Core developers		// Copyright (c) 2009-2016 The Bitcoin Core developers
// Distributed under the MIT software license, see the accompanying		// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.		// file COPYING or http://www.opensource.org/licenses/mit-license.php.

#ifndef BITCOIN_SCRIPT_INTERPRETER_H		#ifndef BITCOIN_SCRIPT_INTERPRETER_H
#define BITCOIN_SCRIPT_INTERPRETER_H		#define BITCOIN_SCRIPT_INTERPRETER_H

#include "primitives/transaction.h"		#include "primitives/transaction.h"
#include "script_error.h"		#include "script_error.h"

#include <stdint.h>		#include <cstdint>
#include <string>		#include <string>
#include <vector>		#include <vector>

class CPubKey;		class CPubKey;
class CScript;		class CScript;
class CTransaction;		class CTransaction;
class uint256;		class uint256;

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// Do we accept signature using SIGHASH_FORKID		// Do we accept signature using SIGHASH_FORKID
//		//
SCRIPT_ENABLE_SIGHASH_FORKID = (1U << 16),		SCRIPT_ENABLE_SIGHASH_FORKID = (1U << 16),
};		};

bool CheckSignatureEncoding(const std::vector<unsigned char> &vchSig,		bool CheckSignatureEncoding(const std::vector<unsigned char> &vchSig,
unsigned int flags, ScriptError *serror);		unsigned int flags, ScriptError *serror);

struct PrecomputedTransactionData {
uint256 hashPrevouts, hashSequence, hashOutputs;

PrecomputedTransactionData(const CTransaction &tx);
};

uint256 SignatureHash(const CScript &scriptCode, const CTransaction &txTo,		uint256 SignatureHash(const CScript &scriptCode, const CTransaction &txTo,
unsigned int nIn, uint32_t nHashType,		unsigned int nIn, uint32_t nHashType,
const CAmount &amount,		const CAmount &amount,
const PrecomputedTransactionData *cache = NULL);		const PrecomputedTransactionData *cache = NULL);

class BaseSignatureChecker {		class BaseSignatureChecker {
public:		public:
virtual bool CheckSig(const std::vector<unsigned char> &scriptSig,		virtual bool CheckSig(const std::vector<unsigned char> &scriptSig,
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