59 lines
1.7 KiB
C++
59 lines
1.7 KiB
C++
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/*
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* This file is part of the Flowee project
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* Copyright (C) 2009-2010 Satoshi Nakamoto
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* Copyright (C) 2009-2015 The Bitcoin Core developers
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* Copyright (C) 2021 Tom Zander <tom@flowee.org>
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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 FLOWEE_BLOCKLOCATOR_H
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#define FLOWEE_BLOCKLOCATOR_H
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#include "serialize.h"
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/** Describes a place in the block chain to another node such that if the
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* other node doesn't have the same branch, it can find a recent common trunk.
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* The further back it is, the further before the fork it may be.
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*/
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struct CBlockLocator
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{
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CBlockLocator() = default;
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CBlockLocator(const std::vector<uint256> &vHaveIn) {
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vHave = vHaveIn;
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}
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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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if (!(nType & SER_GETHASH))
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READWRITE(nVersion);
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READWRITE(vHave);
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}
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inline void SetNull() {
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vHave.clear();
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}
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inline bool IsNull() const {
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return vHave.empty();
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}
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std::vector<uint256> vHave;
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};
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#endif
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