tomFlowee
35be013a19
When our addresses database is filled with old or wrong addresses, we end up trying to connect to a large number of IPs before we find actual peers. When we see that is the case, let's try to find more IP addresses from our peers.
75 lines
2.3 KiB
C++
75 lines
2.3 KiB
C++
/*
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* This file is part of the Flowee project
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* Copyright (C) 2020-2023 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_SYNCSPVACTION_H
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#define FLOWEE_SYNCSPVACTION_H
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#include "Action.h"
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#include <bloom.h>
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#include <map>
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#include <set>
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#include <boost/date_time/posix_time/posix_time.hpp>
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class PrivacySegment;
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/**
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* The goal of this action is to make sure all SPV wallets are synched to the chain-tip.
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*
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* This action is started every time when the header is moved. We run every couple of seconds
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* and have the responsibility to start connections to peers and make sure the SPV wallets have
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* good enough data to ensure they have all the information they need using merkleblock downloads.
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*/
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class SyncSPVAction : public Action
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{
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public:
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SyncSPVAction(DownloadManager *parent);
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protected:
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void execute(const boost::system::error_code &error) override;
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private:
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struct PeerDownloadInfo {
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int peerId;
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int fromBlock;
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int toBlock; // to-and-including
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};
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struct Info {
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boost::posix_time::ptime lastCheckedTime;
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int lastHeight = 0;
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int slowPunishment = 0; // punishment score for being slow
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int connectionsTriedForWallet = 0;
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/**
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* Remember which blocks were downloaded by which peer in order to actually
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* get our security that when we ask multiple peers for the same blocks, we
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* don't mess up and ask the same one twice.
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*/
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std::vector<PeerDownloadInfo> previousDownloads;
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};
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std::map<PrivacySegment*, Info> m_segmentInfos;
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// if nothing happened several calls, we consider us finished
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int m_quietCount = 0;
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const int MinPeersPerWallet;
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};
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#endif
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