diff options
Diffstat (limited to 'src/net_processing.cpp')
-rw-r--r-- | src/net_processing.cpp | 58 |
1 files changed, 29 insertions, 29 deletions
diff --git a/src/net_processing.cpp b/src/net_processing.cpp index 6aab13fe1c..766618130c 100644 --- a/src/net_processing.cpp +++ b/src/net_processing.cpp @@ -202,10 +202,10 @@ struct CNodeState { fCurrentlyConnected = false; nMisbehavior = 0; fShouldBan = false; - pindexBestKnownBlock = NULL; + pindexBestKnownBlock = nullptr; hashLastUnknownBlock.SetNull(); - pindexLastCommonBlock = NULL; - pindexBestHeaderSent = NULL; + pindexLastCommonBlock = nullptr; + pindexBestHeaderSent = nullptr; nUnconnectingHeaders = 0; fSyncStarted = false; nHeadersSyncTimeout = 0; @@ -230,7 +230,7 @@ std::map<NodeId, CNodeState> mapNodeState; CNodeState *State(NodeId pnode) { std::map<NodeId, CNodeState>::iterator it = mapNodeState.find(pnode); if (it == mapNodeState.end()) - return NULL; + return nullptr; return &it->second; } @@ -336,9 +336,9 @@ bool MarkBlockAsReceived(const uint256& hash) { // Requires cs_main. // returns false, still setting pit, if the block was already in flight from the same peer // pit will only be valid as long as the same cs_main lock is being held -bool MarkBlockAsInFlight(NodeId nodeid, const uint256& hash, const CBlockIndex* pindex = NULL, std::list<QueuedBlock>::iterator** pit = NULL) { +bool MarkBlockAsInFlight(NodeId nodeid, const uint256& hash, const CBlockIndex* pindex = nullptr, std::list<QueuedBlock>::iterator** pit = nullptr) { CNodeState *state = State(nodeid); - assert(state != NULL); + assert(state != nullptr); // Short-circuit most stuff in case its from the same node std::map<uint256, std::pair<NodeId, std::list<QueuedBlock>::iterator> >::iterator itInFlight = mapBlocksInFlight.find(hash); @@ -353,14 +353,14 @@ bool MarkBlockAsInFlight(NodeId nodeid, const uint256& hash, const CBlockIndex* MarkBlockAsReceived(hash); std::list<QueuedBlock>::iterator it = state->vBlocksInFlight.insert(state->vBlocksInFlight.end(), - {hash, pindex, pindex != NULL, std::unique_ptr<PartiallyDownloadedBlock>(pit ? new PartiallyDownloadedBlock(&mempool) : NULL)}); + {hash, pindex, pindex != nullptr, std::unique_ptr<PartiallyDownloadedBlock>(pit ? new PartiallyDownloadedBlock(&mempool) : nullptr)}); state->nBlocksInFlight++; state->nBlocksInFlightValidHeaders += it->fValidatedHeaders; if (state->nBlocksInFlight == 1) { // We're starting a block download (batch) from this peer. state->nDownloadingSince = GetTimeMicros(); } - if (state->nBlocksInFlightValidHeaders == 1 && pindex != NULL) { + if (state->nBlocksInFlightValidHeaders == 1 && pindex != nullptr) { nPeersWithValidatedDownloads++; } itInFlight = mapBlocksInFlight.insert(std::make_pair(hash, std::make_pair(nodeid, it))).first; @@ -372,12 +372,12 @@ bool MarkBlockAsInFlight(NodeId nodeid, const uint256& hash, const CBlockIndex* /** Check whether the last unknown block a peer advertised is not yet known. */ void ProcessBlockAvailability(NodeId nodeid) { CNodeState *state = State(nodeid); - assert(state != NULL); + assert(state != nullptr); if (!state->hashLastUnknownBlock.IsNull()) { BlockMap::iterator itOld = mapBlockIndex.find(state->hashLastUnknownBlock); if (itOld != mapBlockIndex.end() && itOld->second->nChainWork > 0) { - if (state->pindexBestKnownBlock == NULL || itOld->second->nChainWork >= state->pindexBestKnownBlock->nChainWork) + if (state->pindexBestKnownBlock == nullptr || itOld->second->nChainWork >= state->pindexBestKnownBlock->nChainWork) state->pindexBestKnownBlock = itOld->second; state->hashLastUnknownBlock.SetNull(); } @@ -387,14 +387,14 @@ void ProcessBlockAvailability(NodeId nodeid) { /** Update tracking information about which blocks a peer is assumed to have. */ void UpdateBlockAvailability(NodeId nodeid, const uint256 &hash) { CNodeState *state = State(nodeid); - assert(state != NULL); + assert(state != nullptr); ProcessBlockAvailability(nodeid); BlockMap::iterator it = mapBlockIndex.find(hash); if (it != mapBlockIndex.end() && it->second->nChainWork > 0) { // An actually better block was announced. - if (state->pindexBestKnownBlock == NULL || it->second->nChainWork >= state->pindexBestKnownBlock->nChainWork) + if (state->pindexBestKnownBlock == nullptr || it->second->nChainWork >= state->pindexBestKnownBlock->nChainWork) state->pindexBestKnownBlock = it->second; } else { // An unknown block was announced; just assume that the latest one is the best one. @@ -461,17 +461,17 @@ void FindNextBlocksToDownload(NodeId nodeid, unsigned int count, std::vector<con vBlocks.reserve(vBlocks.size() + count); CNodeState *state = State(nodeid); - assert(state != NULL); + assert(state != nullptr); // Make sure pindexBestKnownBlock is up to date, we'll need it. ProcessBlockAvailability(nodeid); - if (state->pindexBestKnownBlock == NULL || state->pindexBestKnownBlock->nChainWork < chainActive.Tip()->nChainWork || state->pindexBestKnownBlock->nChainWork < UintToArith256(consensusParams.nMinimumChainWork)) { + if (state->pindexBestKnownBlock == nullptr || state->pindexBestKnownBlock->nChainWork < chainActive.Tip()->nChainWork || state->pindexBestKnownBlock->nChainWork < UintToArith256(consensusParams.nMinimumChainWork)) { // This peer has nothing interesting. return; } - if (state->pindexLastCommonBlock == NULL) { + if (state->pindexLastCommonBlock == nullptr) { // Bootstrap quickly by guessing a parent of our best tip is the forking point. // Guessing wrong in either direction is not a problem. state->pindexLastCommonBlock = chainActive[std::min(state->pindexBestKnownBlock->nHeight, chainActive.Height())]; @@ -546,7 +546,7 @@ void FindNextBlocksToDownload(NodeId nodeid, unsigned int count, std::vector<con bool GetNodeStateStats(NodeId nodeid, CNodeStateStats &stats) { LOCK(cs_main); CNodeState *state = State(nodeid); - if (state == NULL) + if (state == nullptr) return false; stats.nMisbehavior = state->nMisbehavior; stats.nSyncHeight = state->pindexBestKnownBlock ? state->pindexBestKnownBlock->nHeight : -1; @@ -700,7 +700,7 @@ void Misbehaving(NodeId pnode, int howmuch) return; CNodeState *state = State(pnode); - if (state == NULL) + if (state == nullptr) return; state->nMisbehavior += howmuch; @@ -1006,7 +1006,7 @@ void static ProcessGetData(CNode* pfrom, const Consensus::Params& consensusParam // To prevent fingerprinting attacks, only send blocks outside of the active // chain if they are valid, and no more than a month older (both in time, and in // best equivalent proof of work) than the best header chain we know about. - send = mi->second->IsValid(BLOCK_VALID_SCRIPTS) && (pindexBestHeader != NULL) && + send = mi->second->IsValid(BLOCK_VALID_SCRIPTS) && (pindexBestHeader != nullptr) && (pindexBestHeader->GetBlockTime() - mi->second->GetBlockTime() < nOneMonth) && (GetBlockProofEquivalentTime(*pindexBestHeader, *mi->second, *pindexBestHeader, consensusParams) < nOneMonth); if (!send) { @@ -1017,7 +1017,7 @@ void static ProcessGetData(CNode* pfrom, const Consensus::Params& consensusParam // disconnect node in case we have reached the outbound limit for serving historical blocks // never disconnect whitelisted nodes static const int nOneWeek = 7 * 24 * 60 * 60; // assume > 1 week = historical - if (send && connman.OutboundTargetReached(true) && ( ((pindexBestHeader != NULL) && (pindexBestHeader->GetBlockTime() - mi->second->GetBlockTime() > nOneWeek)) || inv.type == MSG_FILTERED_BLOCK) && !pfrom->fWhitelisted) + if (send && connman.OutboundTargetReached(true) && ( ((pindexBestHeader != nullptr) && (pindexBestHeader->GetBlockTime() - mi->second->GetBlockTime() > nOneWeek)) || inv.type == MSG_FILTERED_BLOCK) && !pfrom->fWhitelisted) { LogPrint(BCLog::NET, "historical block serving limit reached, disconnect peer=%d\n", pfrom->GetId()); @@ -1734,7 +1734,7 @@ bool static ProcessMessage(CNode* pfrom, const std::string& strCommand, CDataStr } CNodeState *nodestate = State(pfrom->GetId()); - const CBlockIndex* pindex = NULL; + const CBlockIndex* pindex = nullptr; if (locator.IsNull()) { // If locator is null, return the hashStop block @@ -1761,7 +1761,7 @@ bool static ProcessMessage(CNode* pfrom, const std::string& strCommand, CDataStr if (--nLimit <= 0 || pindex->GetBlockHash() == hashStop) break; } - // pindex can be NULL either if we sent chainActive.Tip() OR + // pindex can be nullptr either if we sent chainActive.Tip() OR // if our peer has chainActive.Tip() (and thus we are sending an empty // headers message). In both cases it's safe to update // pindexBestHeaderSent to be our tip. @@ -1980,7 +1980,7 @@ bool static ProcessMessage(CNode* pfrom, const std::string& strCommand, CDataStr } } - const CBlockIndex *pindex = NULL; + const CBlockIndex *pindex = nullptr; CValidationState state; if (!ProcessNewBlockHeaders({cmpctblock.header}, state, chainparams, &pindex)) { int nDoS; @@ -2052,7 +2052,7 @@ bool static ProcessMessage(CNode* pfrom, const std::string& strCommand, CDataStr if (pindex->nHeight <= chainActive.Height() + 2) { if ((!fAlreadyInFlight && nodestate->nBlocksInFlight < MAX_BLOCKS_IN_TRANSIT_PER_PEER) || (fAlreadyInFlight && blockInFlightIt->second.first == pfrom->GetId())) { - std::list<QueuedBlock>::iterator* queuedBlockIt = NULL; + std::list<QueuedBlock>::iterator* queuedBlockIt = nullptr; if (!MarkBlockAsInFlight(pfrom->GetId(), pindex->GetBlockHash(), pindex, &queuedBlockIt)) { if (!(*queuedBlockIt)->partialBlock) (*queuedBlockIt)->partialBlock.reset(new PartiallyDownloadedBlock(&mempool)); @@ -2257,7 +2257,7 @@ bool static ProcessMessage(CNode* pfrom, const std::string& strCommand, CDataStr return true; } - const CBlockIndex *pindexLast = NULL; + const CBlockIndex *pindexLast = nullptr; { LOCK(cs_main); CNodeState *nodestate = State(pfrom->GetId()); @@ -2766,7 +2766,7 @@ bool ProcessMessages(CNode* pfrom, CConnman& connman, const std::atomic<bool>& i catch (const std::exception& e) { PrintExceptionContinue(&e, "ProcessMessages()"); } catch (...) { - PrintExceptionContinue(NULL, "ProcessMessages()"); + PrintExceptionContinue(nullptr, "ProcessMessages()"); } if (!fRet) { @@ -2881,7 +2881,7 @@ bool SendMessages(CNode* pto, CConnman& connman, const std::atomic<bool>& interr } // Start block sync - if (pindexBestHeader == NULL) + if (pindexBestHeader == nullptr) pindexBestHeader = chainActive.Tip(); bool fFetch = state.fPreferredDownload || (nPreferredDownload == 0 && !pto->fClient && !pto->fOneShot); // Download if this is a nice peer, or we have no nice peers and this one might do. if (!state.fSyncStarted && !pto->fClient && !fImporting && !fReindex) { @@ -2929,7 +2929,7 @@ bool SendMessages(CNode* pto, CConnman& connman, const std::atomic<bool>& interr bool fRevertToInv = ((!state.fPreferHeaders && (!state.fPreferHeaderAndIDs || pto->vBlockHashesToAnnounce.size() > 1)) || pto->vBlockHashesToAnnounce.size() > MAX_BLOCKS_TO_ANNOUNCE); - const CBlockIndex *pBestIndex = NULL; // last header queued for delivery + const CBlockIndex *pBestIndex = nullptr; // last header queued for delivery ProcessBlockAvailability(pto->GetId()); // ensure pindexBestKnownBlock is up-to-date if (!fRevertToInv) { @@ -2946,7 +2946,7 @@ bool SendMessages(CNode* pto, CConnman& connman, const std::atomic<bool>& interr fRevertToInv = true; break; } - if (pBestIndex != NULL && pindex->pprev != pBestIndex) { + if (pBestIndex != nullptr && pindex->pprev != pBestIndex) { // This means that the list of blocks to announce don't // connect to each other. // This shouldn't really be possible to hit during @@ -2967,7 +2967,7 @@ bool SendMessages(CNode* pto, CConnman& connman, const std::atomic<bool>& interr vHeaders.push_back(pindex->GetBlockHeader()); } else if (PeerHasHeader(&state, pindex)) { continue; // keep looking for the first new block - } else if (pindex->pprev == NULL || PeerHasHeader(&state, pindex->pprev)) { + } else if (pindex->pprev == nullptr || PeerHasHeader(&state, pindex->pprev)) { // Peer doesn't have this header but they do have the prior one. // Start sending headers. fFoundStartingHeader = true; |