TomZ
96 lines
2.6 KiB
C++
96 lines
2.6 KiB
C++
/*
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* This file is part of the Flowee project
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* Copyright (C) 2019 Tom Zander <tomz@freedommail.ch>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef DOUBLESPENDPROOF_H
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#define DOUBLESPENDPROOF_H
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#include <uint256.h>
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#include <primitives/FastTransaction.h>
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#include "serialize.h"
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#include <deque>
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class CTxMemPool;
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class DoubleSpendProof
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{
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public:
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DoubleSpendProof();
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static DoubleSpendProof create(const Tx &tx1, const Tx &tx2);
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bool isEmpty() const;
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enum Validity {
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Valid,
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MissingTransaction,
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MissingUTXO,
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Invalid
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};
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Validity validate(const CTxMemPool &mempool) const;
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uint256 prevTxId() const;
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int prevOutIndex() const;
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struct Spender {
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uint32_t txVersion = 0, outSequence = 0, lockTime = 0;
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uint256 hashPrevOutputs, hashSequence, hashOutputs;
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std::vector<std::vector<uint8_t>> pushData;
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};
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Spender firstSpender() const {
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return m_spender1;
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}
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Spender doubleSpender() const {
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return m_spender2;
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}
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// old fashioned serialization.
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ADD_SERIALIZE_METHODS
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template <typename Stream, typename Operation>
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inline void SerializationOp(Stream& s, Operation ser_action, int nType, int nVersion) {
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READWRITE(m_prevTxId);
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READWRITE(m_prevOutIndex);
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READWRITE(m_spender1.txVersion);
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READWRITE(m_spender1.outSequence);
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READWRITE(m_spender1.lockTime);
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READWRITE(m_spender1.hashPrevOutputs);
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READWRITE(m_spender1.hashSequence);
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READWRITE(m_spender1.hashOutputs);
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READWRITE(m_spender1.pushData);
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READWRITE(m_spender2.txVersion);
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READWRITE(m_spender2.outSequence);
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READWRITE(m_spender2.lockTime);
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READWRITE(m_spender2.hashPrevOutputs);
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READWRITE(m_spender2.hashSequence);
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READWRITE(m_spender2.hashOutputs);
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READWRITE(m_spender2.pushData);
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}
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uint256 createHash() const;
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private:
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uint256 m_prevTxId;
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int32_t m_prevOutIndex = -1;
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Spender m_spender1, m_spender2;
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};
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#endif
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