net_processing.h

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// Copyright (c) 2009-2010 Satoshi Nakamoto
// Copyright (c) 2009-2020 The Bitcoin Core developers
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
 
#ifndef BITCOIN_NET_PROCESSING_H
#define BITCOIN_NET_PROCESSING_H
 
#include <net.h>
#include <validationinterface.h>
 
class CAddrMan;
class CChainParams;
class CTxMemPool;
class ChainstateManager;
 
static const unsigned int DEFAULT_MAX_ORPHAN_TRANSACTIONS = 100;
static const unsigned int DEFAULT_BLOCK_RECONSTRUCTION_EXTRA_TXN = 100;
static const bool DEFAULT_PEERBLOOMFILTERS = false;
static const bool DEFAULT_PEERBLOCKFILTERS = false;
static const int DISCOURAGEMENT_THRESHOLD{100};
 
struct CNodeStateStats {
    int nSyncHeight = -1;
    int nCommonHeight = -1;
    int m_starting_height = -1;
    std::chrono::microseconds m_ping_wait;
    std::vector<int> vHeightInFlight;
    uint64_t m_addr_processed = 0;
    uint64_t m_addr_rate_limited = 0;
};
 
class PeerManager : public CValidationInterface, public NetEventsInterface
{
public:
    static std::unique_ptr<PeerManager> make(const CChainParams& chainparams, CConnman& connman, CAddrMan& addrman,
                                             BanMan* banman, CScheduler& scheduler, ChainstateManager& chainman,
                                             CTxMemPool& pool, bool ignore_incoming_txs);
    virtual ~PeerManager() { }
 
    virtual bool GetNodeStateStats(NodeId nodeid, CNodeStateStats& stats) const = 0;
 
    virtual bool IgnoresIncomingTxs() = 0;
 
    virtual void RelayTransaction(const uint256& txid, const uint256& wtxid) = 0;
 
    virtual void SendPings() = 0;
 
    virtual void SetBestHeight(int height) = 0;
 
    virtual void Misbehaving(const NodeId pnode, const int howmuch, const std::string& message) = 0;
 
    virtual void CheckForStaleTipAndEvictPeers() = 0;
 
    virtual void ProcessMessage(CNode& pfrom, const std::string& msg_type, CDataStream& vRecv,
                                const std::chrono::microseconds time_received, const std::atomic<bool>& interruptMsgProc) = 0;
};
 
#endif // BITCOIN_NET_PROCESSING_H