62 lines
1.8 KiB
C++
62 lines
1.8 KiB
C++
/*
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* This file is part of the Flowee project
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* Copyright (C) 2018 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_UNSPENT_PRUNER_H
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#define FLOWEE_UNSPENT_PRUNER_H
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#include <streaming/BufferPool.h>
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#include <streaming/MessageBuilder.h>
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/*
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* WARNING USAGE OF THIS HEADER IS RESTRICTED.
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* This Header file is part of the private API and is meant to be used solely by the UTXO component.
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*
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* Usage of this API will likely mean your code will break in interesting ways in the future,
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* or even stop to compile.
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*
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* YOU HAVE BEEN WARNED!!
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*/
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class Pruner {
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public:
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enum DBType {
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MostActiveDB,
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OlderDB
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};
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Pruner(const std::string &dbFile, const std::string &infoFile, DBType dbType = OlderDB);
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// copies pruned data into new files.
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void prune();
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// if all went well, rename new files over originals
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void commit();
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// remove tmp files
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void cleanup();
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/// Post-prune this is set to the amount of bytes used for the jumptables.
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int bucketsSize() const;
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private:
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const std::string m_dbFile;
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const std::string m_infoFile;
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std::string m_tmpExtension;
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DBType m_dbType;
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int m_bucketsSize = 0;
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};
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#endif
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