#include <net_processing.h>

#include <addrman.h>

#include <arith_uint256.h>

#include <blockencodings.h>

#include <chainparams.h>

#include <consensus/validation.h>

#include <hash.h>

#include <init.h>

#include <validation.h>

#include <merkleblock.h>

#include <netmessagemaker.h>

#include <netbase.h>

#include <policy/fees.h>

#include <policy/policy.h>

#include <primitives/block.h>

#include <primitives/transaction.h>

#include <random.h>

#include <reverse_iterator.h>

#include <scheduler.h>

#include <tinyformat.h>

#include <txmempool.h>

#include <ui_interface.h>

#include <util.h>

#include <utilmoneystr.h>

#include <utilstrencodings.h>

#include <auxpow/serialize.h>

#include <memory>

#if defined(NDEBUG)

# error "Canada eCoin cannot be compiled without assertions."

#endif

std::atomic<int64_t> nTimeBestReceived(0); // Used only to inform the wallet of when we last received a block

struct IteratorComparator

};

struct COrphanTx {

};

static CCriticalSection g_cs_orphans;

std::map<uint256, COrphanTx> mapOrphanTransactions GUARDED_BY(g_cs_orphans);

std::map<COutPoint, std::set<std::map<uint256, COrphanTx>::iterator, IteratorComparator>> mapOrphanTransactionsByPrev GUARDED_BY(g_cs_orphans);

void EraseOrphansFor(NodeId peer);

static size_t vExtraTxnForCompactIt GUARDED_BY(g_cs_orphans) = 0;

static std::vector<std::pair<uint256, CTransactionRef>> vExtraTxnForCompact GUARDED_BY(g_cs_orphans);

static const uint64_t RANDOMIZER_ID_ADDRESS_RELAY = 0x3cac0035b5866b90ULL; // SHA256("main address relay")[0:8]

static const int STALE_RELAY_AGE_LIMIT = 30 * 24 * 60 * 60;

static const int HISTORICAL_BLOCK_AGE = 7 * 24 * 60 * 60;

namespace {

/** Number of nodes with fSyncStarted. */

int nSyncStarted = 0;

/**

std::map<uint256, std::pair<NodeId, bool>> mapBlockSource;

/**

std::unique_ptr<CRollingBloomFilter> recentRejects;

uint256 hashRecentRejectsChainTip;

/** Blocks that are in flight, and that are in the queue to be downloaded. Protected by cs_main. */

struct QueuedBlock {

};

std::map<uint256, std::pair<NodeId, std::list<QueuedBlock>::iterator> > mapBlocksInFlight;

/** Stack of nodes which we have set to announce using compact blocks */

std::list<NodeId> lNodesAnnouncingHeaderAndIDs;

/** Number of preferable block download peers. */

int nPreferredDownload = 0;

/** Number of peers from which we're downloading blocks. */

int nPeersWithValidatedDownloads = 0;

/** Number of outbound peers with m_chain_sync.m_protect. */

int g_outbound_peers_with_protect_from_disconnect = 0;

/** When our tip was last updated. */

std::atomic<int64_t> g_last_tip_update(0);

/** Relay map, protected by cs_main. */

typedef std::map<uint256, CTransactionRef> MapRelay;

MapRelay mapRelay;

/** Expiration-time ordered list of (expire time, relay map entry) pairs, protected by cs_main). */

std::deque<std::pair<int64_t, MapRelay::iterator>> vRelayExpiration;

} // namespace

namespace {

struct CBlockReject {

};

struct CNodeState {

};

std::map<NodeId, CNodeState> mapNodeState;

CNodeState *State(NodeId pnode) {

std::map<NodeId, CNodeState>::iterator it = mapNodeState.find(pnode);

if (it == mapNodeState.end())

return nullptr;

return &it->second;

}

void UpdatePreferredDownload(CNode* node, CNodeState* state)

}

void PushNodeVersion(CNode *pnode, CConnman* connman, int64_t nTime)

}

bool MarkBlockAsReceived(const uint256& hash) {

}

bool MarkBlockAsInFlight(NodeId nodeid, const uint256& hash, const CBlockIndex* pindex = nullptr, std::list<QueuedBlock>::iterator** pit = nullptr) {

}

void ProcessBlockAvailability(NodeId nodeid) {

}

void UpdateBlockAvailability(NodeId nodeid, const uint256 &hash) {

}

void MaybeSetPeerAsAnnouncingHeaderAndIDs(NodeId nodeid, CConnman* connman) {

}

bool TipMayBeStale(const Consensus::Params &consensusParams)

}

bool CanDirectFetch(const Consensus::Params &consensusParams)

{

return chainActive.Tip()->GetBlockTime() > GetAdjustedTime() - consensusParams.nPowTargetSpacing * 20;

}

bool PeerHasHeader(CNodeState *state, const CBlockIndex *pindex)

}

void FindNextBlocksToDownload(NodeId nodeid, unsigned int count, std::vector<const CBlockIndex*>& vBlocks, NodeId& nodeStaller, const Consensus::Params& consensusParams) {

}

} // namespace

void UpdateLastBlockAnnounceTime(NodeId node, int64_t time_in_seconds)

}

bool IsOutboundDisconnectionCandidate(const CNode *node)

{

return !(node->fInbound || node->m_manual_connection || node->fFeeler || node->fOneShot);

}

void PeerLogicValidation::InitializeNode(CNode *pnode) {

}

void PeerLogicValidation::FinalizeNode(NodeId nodeid, bool& fUpdateConnectionTime) {

}

bool GetNodeStateStats(NodeId nodeid, CNodeStateStats &stats) {

}

void AddToCompactExtraTransactions(const CTransactionRef& tx) EXCLUSIVE_LOCKS_REQUIRED(g_cs_orphans)

}

bool AddOrphanTx(const CTransactionRef& tx, NodeId peer) EXCLUSIVE_LOCKS_REQUIRED(g_cs_orphans)

}

int static EraseOrphanTx(uint256 hash) EXCLUSIVE_LOCKS_REQUIRED(g_cs_orphans)

}

void EraseOrphansFor(NodeId peer)

}

unsigned int LimitOrphanTxSize(unsigned int nMaxOrphans)

}

void Misbehaving(NodeId pnode, int howmuch)

}

static bool BlockRequestAllowed(const CBlockIndex* pindex, const Consensus::Params& consensusParams)

}

PeerLogicValidation::PeerLogicValidation(CConnman* connmanIn, CScheduler &scheduler) : connman(connmanIn), m_stale_tip_check_time(0) {

}

void PeerLogicValidation::BlockConnected(const std::shared_ptr<const CBlock>& pblock, const CBlockIndex* pindex, const std::vector<CTransactionRef>& vtxConflicted) {

}

static CCriticalSection cs_most_recent_block;

static std::shared_ptr<const CBlock> most_recent_block;

static std::shared_ptr<const CBlockHeaderAndShortTxIDs> most_recent_compact_block;

static uint256 most_recent_block_hash;

static bool fWitnessesPresentInMostRecentCompactBlock;

void PeerLogicValidation::NewPoWValidBlock(const CBlockIndex *pindex, const std::shared_ptr<const CBlock>& pblock) {

}

void PeerLogicValidation::UpdatedBlockTip(const CBlockIndex *pindexNew, const CBlockIndex *pindexFork, bool fInitialDownload) {

}

void PeerLogicValidation::BlockChecked(const CBlock& block, const CValidationState& state) {

}

bool static AlreadyHave(const CInv& inv) EXCLUSIVE_LOCKS_REQUIRED(cs_main)

}

static void RelayTransaction(const CTransaction& tx, CConnman* connman)