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// Copyright (c) 2009-2010 Satoshi Nakamoto
// Copyright (c) 2009-2013 The Bitcoin developers
// Distributed under the MIT/X11 software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#ifndef H_BITCOIN_SCRIPTUTILS
#define H_BITCOIN_SCRIPTUTILS
#include "key.h"
#include "script/script.h"
#include "script/interpreter.h"
#include "script/standard.h"
#include <stdexcept>
#include <stdint.h>
#include <string>
#include <vector>
class CKeyStore;
class CTransaction;
struct CMutableTransaction;
/** IsMine() return codes */
enum isminetype
{
ISMINE_NO = 0,
ISMINE_WATCH_ONLY = 1,
ISMINE_SPENDABLE = 2,
ISMINE_ALL = ISMINE_WATCH_ONLY | ISMINE_SPENDABLE
};
/** used for bitflags of isminetype */
typedef uint8_t isminefilter;
isminetype IsMine(const CKeyStore& keystore, const CScript& scriptPubKey);
isminetype IsMine(const CKeyStore& keystore, const CTxDestination& dest);
void ExtractAffectedKeys(const CKeyStore &keystore, const CScript& scriptPubKey, std::vector<CKeyID> &vKeys);
bool SignSignature(const CKeyStore& keystore, const CScript& fromPubKey, CMutableTransaction& txTo, unsigned int nIn, int nHashType=SIGHASH_ALL);
bool SignSignature(const CKeyStore& keystore, const CTransaction& txFrom, CMutableTransaction& txTo, unsigned int nIn, int nHashType=SIGHASH_ALL);
// Given two sets of signatures for scriptPubKey, possibly with OP_0 placeholders,
// combine them intelligently and return the result.
CScript CombineSignatures(CScript scriptPubKey, const CTransaction& txTo, unsigned int nIn, const CScript& scriptSig1, const CScript& scriptSig2);
#endif // H_BITCOIN_SCRIPT
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