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// Copyright (c) 2009-2010 Satoshi Nakamoto
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// Copyright (c) 2009-2014 The Bitcoin developers
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// Distributed under the MIT software license, see the accompanying
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// file COPYING or http://www.opensource.org/licenses/mit-license.php.
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#ifndef BITCOIN_SCRIPT_SIGN_H
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#define BITCOIN_SCRIPT_SIGN_H
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#include "script/interpreter.h"
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class CKeyStore;
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class CScript;
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class CTransaction;
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struct CMutableTransaction;
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bool SignSignature(const CKeyStore& keystore, const CScript& fromPubKey, CMutableTransaction& txTo, unsigned int nIn, int nHashType=SIGHASH_ALL);
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bool SignSignature(const CKeyStore& keystore, const CTransaction& txFrom, CMutableTransaction& txTo, unsigned int nIn, int nHashType=SIGHASH_ALL);
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/**
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* Given two sets of signatures for scriptPubKey, possibly with OP_0 placeholders,
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* combine them intelligently and return the result.
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*/
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CScript CombineSignatures(const CScript& scriptPubKey, const CTransaction& txTo, unsigned int nIn, const CScript& scriptSig1, const CScript& scriptSig2);
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#endif // BITCOIN_SCRIPT_SIGN_H
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