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// Copyright (c) 2009-2010 Satoshi Nakamoto
// Copyright (c) 2009-2016 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"
/** Default for -maxorphantx, maximum number of orphan transactions kept in memory */
static const unsigned int DEFAULT_MAX_ORPHAN_TRANSACTIONS = 100;
/** Expiration time for orphan transactions in seconds */
static const int64_t ORPHAN_TX_EXPIRE_TIME = 20 * 60;
/** Minimum time between orphan transactions expire time checks in seconds */
static const int64_t ORPHAN_TX_EXPIRE_INTERVAL = 5 * 60;
/** Default number of orphan+recently-replaced txn to keep around for block reconstruction */
static const unsigned int DEFAULT_BLOCK_RECONSTRUCTION_EXTRA_TXN = 100;
/** Headers download timeout expressed in microseconds
* Timeout = base + per_header * (expected number of headers) */
static constexpr int64_t HEADERS_DOWNLOAD_TIMEOUT_BASE = 15 * 60 * 1000000; // 15 minutes
static constexpr int64_t HEADERS_DOWNLOAD_TIMEOUT_PER_HEADER = 1000; // 1ms/header
class PeerLogicValidation : public CValidationInterface, public NetEventsInterface {
private:
CConnman* connman;
public:
explicit PeerLogicValidation(CConnman* connman);
void BlockConnected(const std::shared_ptr<const CBlock>& pblock, const CBlockIndex* pindexConnected, const std::vector<CTransactionRef>& vtxConflicted) override;
void UpdatedBlockTip(const CBlockIndex *pindexNew, const CBlockIndex *pindexFork, bool fInitialDownload) override;
void BlockChecked(const CBlock& block, const CValidationState& state) override;
void NewPoWValidBlock(const CBlockIndex *pindex, const std::shared_ptr<const CBlock>& pblock) override;
void InitializeNode(CNode* pnode) override;
void FinalizeNode(NodeId nodeid, bool& fUpdateConnectionTime) override;
/** Process protocol messages received from a given node */
bool ProcessMessages(CNode* pfrom, std::atomic<bool>& interrupt) override;
/**
* Send queued protocol messages to be sent to a give node.
*
* @param[in] pto The node which we are sending messages to.
* @param[in] interrupt Interrupt condition for processing threads
* @return True if there is more work to be done
*/
bool SendMessages(CNode* pto, std::atomic<bool>& interrupt) override;
};
struct CNodeStateStats {
int nMisbehavior;
int nSyncHeight;
int nCommonHeight;
std::vector<int> vHeightInFlight;
};
/** Get statistics from node state */
bool GetNodeStateStats(NodeId nodeid, CNodeStateStats &stats);
/** Increase a node's misbehavior score. */
void Misbehaving(NodeId nodeid, int howmuch);
#endif // BITCOIN_NET_PROCESSING_H
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