diff options
Diffstat (limited to 'src/net_processing.cpp')
| -rw-r--r-- | src/net_processing.cpp | 242 |
1 files changed, 130 insertions, 112 deletions
diff --git a/src/net_processing.cpp b/src/net_processing.cpp index 86bafe6d27..01b55d8961 100644 --- a/src/net_processing.cpp +++ b/src/net_processing.cpp @@ -472,6 +472,24 @@ private: std::vector<std::pair<uint256, CTransactionRef>> vExtraTxnForCompact GUARDED_BY(g_cs_orphans); /** Offset into vExtraTxnForCompact to insert the next tx */ size_t vExtraTxnForCompactIt GUARDED_BY(g_cs_orphans) = 0; + + void ProcessBlockAvailability(NodeId nodeid) EXCLUSIVE_LOCKS_REQUIRED(cs_main); + void UpdateBlockAvailability(NodeId nodeid, const uint256 &hash) EXCLUSIVE_LOCKS_REQUIRED(cs_main); + bool CanDirectFetch(const Consensus::Params &consensusParams) EXCLUSIVE_LOCKS_REQUIRED(cs_main); + bool BlockRequestAllowed(const CBlockIndex* pindex, const Consensus::Params& consensusParams) EXCLUSIVE_LOCKS_REQUIRED(cs_main); + bool AlreadyHaveBlock(const uint256& block_hash) EXCLUSIVE_LOCKS_REQUIRED(cs_main); + void ProcessGetBlockData(CNode& pfrom, Peer& peer, const CChainParams& chainparams, const CInv& inv, CConnman& connman); + bool PrepareBlockFilterRequest(CNode& peer, const CChainParams& chain_params, + BlockFilterType filter_type, uint32_t start_height, + const uint256& stop_hash, uint32_t max_height_diff, + const CBlockIndex*& stop_index, + BlockFilterIndex*& filter_index); + void ProcessGetCFilters(CNode& peer, CDataStream& vRecv, const CChainParams& chain_params, + CConnman& connman); + void ProcessGetCFHeaders(CNode& peer, CDataStream& vRecv, const CChainParams& chain_params, + CConnman& connman); + void ProcessGetCFCheckPt(CNode& peer, CDataStream& vRecv, const CChainParams& chain_params, + CConnman& connman); }; } // namespace @@ -665,41 +683,6 @@ bool PeerManagerImpl::MarkBlockAsInFlight(NodeId nodeid, const uint256& hash, co return true; } -/** Check whether the last unknown block a peer advertised is not yet known. */ -static void ProcessBlockAvailability(NodeId nodeid) EXCLUSIVE_LOCKS_REQUIRED(cs_main) { - CNodeState *state = State(nodeid); - assert(state != nullptr); - - if (!state->hashLastUnknownBlock.IsNull()) { - const CBlockIndex* pindex = g_chainman.m_blockman.LookupBlockIndex(state->hashLastUnknownBlock); - if (pindex && pindex->nChainWork > 0) { - if (state->pindexBestKnownBlock == nullptr || pindex->nChainWork >= state->pindexBestKnownBlock->nChainWork) { - state->pindexBestKnownBlock = pindex; - } - state->hashLastUnknownBlock.SetNull(); - } - } -} - -/** Update tracking information about which blocks a peer is assumed to have. */ -static void UpdateBlockAvailability(NodeId nodeid, const uint256 &hash) EXCLUSIVE_LOCKS_REQUIRED(cs_main) { - CNodeState *state = State(nodeid); - assert(state != nullptr); - - ProcessBlockAvailability(nodeid); - - const CBlockIndex* pindex = g_chainman.m_blockman.LookupBlockIndex(hash); - if (pindex && pindex->nChainWork > 0) { - // An actually better block was announced. - if (state->pindexBestKnownBlock == nullptr || pindex->nChainWork >= state->pindexBestKnownBlock->nChainWork) { - state->pindexBestKnownBlock = pindex; - } - } else { - // An unknown block was announced; just assume that the latest one is the best one. - state->hashLastUnknownBlock = hash; - } -} - void PeerManagerImpl::MaybeSetPeerAsAnnouncingHeaderAndIDs(NodeId nodeid) { AssertLockHeld(cs_main); @@ -749,9 +732,9 @@ bool PeerManagerImpl::TipMayBeStale() return m_last_tip_update < GetTime() - consensusParams.nPowTargetSpacing * 3 && mapBlocksInFlight.empty(); } -static bool CanDirectFetch(const Consensus::Params &consensusParams) EXCLUSIVE_LOCKS_REQUIRED(cs_main) +bool PeerManagerImpl::CanDirectFetch(const Consensus::Params &consensusParams) { - return ::ChainActive().Tip()->GetBlockTime() > GetAdjustedTime() - consensusParams.nPowTargetSpacing * 20; + return m_chainman.ActiveChain().Tip()->GetBlockTime() > GetAdjustedTime() - consensusParams.nPowTargetSpacing * 20; } static bool PeerHasHeader(CNodeState *state, const CBlockIndex *pindex) EXCLUSIVE_LOCKS_REQUIRED(cs_main) @@ -763,6 +746,41 @@ static bool PeerHasHeader(CNodeState *state, const CBlockIndex *pindex) EXCLUSIV return false; } +/** Check whether the last unknown block a peer advertised is not yet known. */ +void PeerManagerImpl::ProcessBlockAvailability(NodeId nodeid) { + CNodeState *state = State(nodeid); + assert(state != nullptr); + + if (!state->hashLastUnknownBlock.IsNull()) { + const CBlockIndex* pindex = m_chainman.m_blockman.LookupBlockIndex(state->hashLastUnknownBlock); + if (pindex && pindex->nChainWork > 0) { + if (state->pindexBestKnownBlock == nullptr || pindex->nChainWork >= state->pindexBestKnownBlock->nChainWork) { + state->pindexBestKnownBlock = pindex; + } + state->hashLastUnknownBlock.SetNull(); + } + } +} + +/** Update tracking information about which blocks a peer is assumed to have. */ +void PeerManagerImpl::UpdateBlockAvailability(NodeId nodeid, const uint256 &hash) { + CNodeState *state = State(nodeid); + assert(state != nullptr); + + ProcessBlockAvailability(nodeid); + + const CBlockIndex* pindex = m_chainman.m_blockman.LookupBlockIndex(hash); + if (pindex && pindex->nChainWork > 0) { + // An actually better block was announced. + if (state->pindexBestKnownBlock == nullptr || pindex->nChainWork >= state->pindexBestKnownBlock->nChainWork) { + state->pindexBestKnownBlock = pindex; + } + } else { + // An unknown block was announced; just assume that the latest one is the best one. + state->hashLastUnknownBlock = hash; + } +} + void PeerManagerImpl::FindNextBlocksToDownload(NodeId nodeid, unsigned int count, std::vector<const CBlockIndex*>& vBlocks, NodeId& nodeStaller) { if (count == 0) @@ -775,7 +793,7 @@ void PeerManagerImpl::FindNextBlocksToDownload(NodeId nodeid, unsigned int count // Make sure pindexBestKnownBlock is up to date, we'll need it. ProcessBlockAvailability(nodeid); - if (state->pindexBestKnownBlock == nullptr || state->pindexBestKnownBlock->nChainWork < ::ChainActive().Tip()->nChainWork || state->pindexBestKnownBlock->nChainWork < nMinimumChainWork) { + if (state->pindexBestKnownBlock == nullptr || state->pindexBestKnownBlock->nChainWork < m_chainman.ActiveChain().Tip()->nChainWork || state->pindexBestKnownBlock->nChainWork < nMinimumChainWork) { // This peer has nothing interesting. return; } @@ -783,7 +801,7 @@ void PeerManagerImpl::FindNextBlocksToDownload(NodeId nodeid, unsigned int count 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())]; + state->pindexLastCommonBlock = m_chainman.ActiveChain()[std::min(state->pindexBestKnownBlock->nHeight, m_chainman.ActiveChain().Height())]; } // If the peer reorganized, our previous pindexLastCommonBlock may not be an ancestor @@ -826,7 +844,7 @@ void PeerManagerImpl::FindNextBlocksToDownload(NodeId nodeid, unsigned int count // We wouldn't download this block or its descendants from this peer. return; } - if (pindex->nStatus & BLOCK_HAVE_DATA || ::ChainActive().Contains(pindex)) { + if (pindex->nStatus & BLOCK_HAVE_DATA || m_chainman.ActiveChain().Contains(pindex)) { if (pindex->HaveTxsDownloaded()) state->pindexLastCommonBlock = pindex; } else if (mapBlocksInFlight.count(pindex->GetBlockHash()) == 0) { @@ -1179,10 +1197,10 @@ bool PeerManagerImpl::MaybePunishNodeForTx(NodeId nodeid, const TxValidationStat // active chain if they are no more than a month older (both in time, and in // best equivalent proof of work) than the best header chain we know about and // we fully-validated them at some point. -static bool BlockRequestAllowed(const CBlockIndex* pindex, const Consensus::Params& consensusParams) EXCLUSIVE_LOCKS_REQUIRED(cs_main) +bool PeerManagerImpl::BlockRequestAllowed(const CBlockIndex* pindex, const Consensus::Params& consensusParams) { AssertLockHeld(cs_main); - if (::ChainActive().Contains(pindex)) return true; + if (m_chainman.ActiveChain().Contains(pindex)) return true; return pindex->IsValid(BLOCK_VALID_SCRIPTS) && (pindexBestHeader != nullptr) && (pindexBestHeader->GetBlockTime() - pindex->GetBlockTime() < STALE_RELAY_AGE_LIMIT) && (GetBlockProofEquivalentTime(*pindexBestHeader, *pindex, *pindexBestHeader, consensusParams) < STALE_RELAY_AGE_LIMIT); @@ -1206,6 +1224,7 @@ PeerManagerImpl::PeerManagerImpl(const CChainParams& chainparams, CConnman& conn m_stale_tip_check_time(0), m_ignore_incoming_txs(ignore_incoming_txs) { + assert(std::addressof(g_chainman) == std::addressof(m_chainman)); // Initialize global variables that cannot be constructed at startup. recentRejects.reset(new CRollingBloomFilter(120000, 0.000001)); @@ -1331,7 +1350,7 @@ void PeerManagerImpl::NewPoWValidBlock(const CBlockIndex *pindex, const std::sha /** * Update our best height and announce any block hashes which weren't previously - * in ::ChainActive() to our peers. + * in m_chainman.ActiveChain() to our peers. */ void PeerManagerImpl::UpdatedBlockTip(const CBlockIndex *pindexNew, const CBlockIndex *pindexFork, bool fInitialDownload) { @@ -1393,7 +1412,7 @@ void PeerManagerImpl::BlockChecked(const CBlock& block, const BlockValidationSta // the tip yet so we have no way to check this directly here. Instead we // just check that there are currently no other blocks in flight. else if (state.IsValid() && - !::ChainstateActive().IsInitialBlockDownload() && + !m_chainman.ActiveChainstate().IsInitialBlockDownload() && mapBlocksInFlight.count(hash) == mapBlocksInFlight.size()) { if (it != mapBlockSource.end()) { MaybeSetPeerAsAnnouncingHeaderAndIDs(it->second.first); @@ -1412,12 +1431,12 @@ void PeerManagerImpl::BlockChecked(const CBlock& block, const BlockValidationSta bool PeerManagerImpl::AlreadyHaveTx(const GenTxid& gtxid) { assert(recentRejects); - if (::ChainActive().Tip()->GetBlockHash() != hashRecentRejectsChainTip) { + if (m_chainman.ActiveChain().Tip()->GetBlockHash() != hashRecentRejectsChainTip) { // If the chain tip has changed previously rejected transactions // might be now valid, e.g. due to a nLockTime'd tx becoming valid, // or a double-spend. Reset the rejects filter and give those // txs a second chance. - hashRecentRejectsChainTip = ::ChainActive().Tip()->GetBlockHash(); + hashRecentRejectsChainTip = m_chainman.ActiveChain().Tip()->GetBlockHash(); recentRejects->reset(); } @@ -1433,9 +1452,9 @@ bool PeerManagerImpl::AlreadyHaveTx(const GenTxid& gtxid) return recentRejects->contains(hash) || m_mempool.exists(gtxid); } -bool static AlreadyHaveBlock(const uint256& block_hash) EXCLUSIVE_LOCKS_REQUIRED(cs_main) +bool PeerManagerImpl::AlreadyHaveBlock(const uint256& block_hash) { - return g_chainman.m_blockman.LookupBlockIndex(block_hash) != nullptr; + return m_chainman.m_blockman.LookupBlockIndex(block_hash) != nullptr; } void PeerManagerImpl::SendPings() @@ -1514,7 +1533,7 @@ static void RelayAddress(const CNode& originator, connman.ForEachNodeThen(std::move(sortfunc), std::move(pushfunc)); } -void static ProcessGetBlockData(CNode& pfrom, Peer& peer, const CChainParams& chainparams, const CInv& inv, CConnman& connman) +void PeerManagerImpl::ProcessGetBlockData(CNode& pfrom, Peer& peer, const CChainParams& chainparams, const CInv& inv, CConnman& connman) { bool send = false; std::shared_ptr<const CBlock> a_recent_block; @@ -1531,7 +1550,7 @@ void static ProcessGetBlockData(CNode& pfrom, Peer& peer, const CChainParams& ch bool need_activate_chain = false; { LOCK(cs_main); - const CBlockIndex* pindex = g_chainman.m_blockman.LookupBlockIndex(inv.hash); + const CBlockIndex* pindex = m_chainman.m_blockman.LookupBlockIndex(inv.hash); if (pindex) { if (pindex->HaveTxsDownloaded() && !pindex->IsValid(BLOCK_VALID_SCRIPTS) && pindex->IsValid(BLOCK_VALID_TREE)) { @@ -1546,13 +1565,13 @@ void static ProcessGetBlockData(CNode& pfrom, Peer& peer, const CChainParams& ch } // release cs_main before calling ActivateBestChain if (need_activate_chain) { BlockValidationState state; - if (!::ChainstateActive().ActivateBestChain(state, chainparams, a_recent_block)) { + if (!m_chainman.ActiveChainstate().ActivateBestChain(state, chainparams, a_recent_block)) { LogPrint(BCLog::NET, "failed to activate chain (%s)\n", state.ToString()); } } LOCK(cs_main); - const CBlockIndex* pindex = g_chainman.m_blockman.LookupBlockIndex(inv.hash); + const CBlockIndex* pindex = m_chainman.m_blockman.LookupBlockIndex(inv.hash); if (pindex) { send = BlockRequestAllowed(pindex, consensusParams); if (!send) { @@ -1574,7 +1593,7 @@ void static ProcessGetBlockData(CNode& pfrom, Peer& peer, const CChainParams& ch } // Avoid leaking prune-height by never sending blocks below the NODE_NETWORK_LIMITED threshold if (send && !pfrom.HasPermission(PF_NOBAN) && ( - (((pfrom.GetLocalServices() & NODE_NETWORK_LIMITED) == NODE_NETWORK_LIMITED) && ((pfrom.GetLocalServices() & NODE_NETWORK) != NODE_NETWORK) && (::ChainActive().Tip()->nHeight - pindex->nHeight > (int)NODE_NETWORK_LIMITED_MIN_BLOCKS + 2 /* add two blocks buffer extension for possible races */) ) + (((pfrom.GetLocalServices() & NODE_NETWORK_LIMITED) == NODE_NETWORK_LIMITED) && ((pfrom.GetLocalServices() & NODE_NETWORK) != NODE_NETWORK) && (m_chainman.ActiveChain().Tip()->nHeight - pindex->nHeight > (int)NODE_NETWORK_LIMITED_MIN_BLOCKS + 2 /* add two blocks buffer extension for possible races */) ) )) { LogPrint(BCLog::NET, "Ignore block request below NODE_NETWORK_LIMITED threshold from peer=%d\n", pfrom.GetId()); @@ -1641,7 +1660,7 @@ void static ProcessGetBlockData(CNode& pfrom, Peer& peer, const CChainParams& ch // instead we respond with the full, non-compact block. bool fPeerWantsWitness = State(pfrom.GetId())->fWantsCmpctWitness; int nSendFlags = fPeerWantsWitness ? 0 : SERIALIZE_TRANSACTION_NO_WITNESS; - if (CanDirectFetch(consensusParams) && pindex->nHeight >= ::ChainActive().Height() - MAX_CMPCTBLOCK_DEPTH) { + if (CanDirectFetch(consensusParams) && pindex->nHeight >= m_chainman.ActiveChain().Height() - MAX_CMPCTBLOCK_DEPTH) { if ((fPeerWantsWitness || !fWitnessesPresentInARecentCompactBlock) && a_recent_compact_block && a_recent_compact_block->header.GetHash() == pindex->GetBlockHash()) { connman.PushMessage(&pfrom, msgMaker.Make(nSendFlags, NetMsgType::CMPCTBLOCK, *a_recent_compact_block)); } else { @@ -1662,7 +1681,7 @@ void static ProcessGetBlockData(CNode& pfrom, Peer& peer, const CChainParams& ch // and we want it right after the last block so they don't // wait for other stuff first. std::vector<CInv> vInv; - vInv.push_back(CInv(MSG_BLOCK, ::ChainActive().Tip()->GetBlockHash())); + vInv.push_back(CInv(MSG_BLOCK, m_chainman.ActiveChain().Tip()->GetBlockHash())); connman.PushMessage(&pfrom, msgMaker.Make(NetMsgType::INV, vInv)); peer.m_continuation_block.SetNull(); } @@ -1841,9 +1860,9 @@ void PeerManagerImpl::ProcessHeadersMessage(CNode& pfrom, const Peer& peer, // don't connect before giving DoS points // - Once a headers message is received that is valid and does connect, // nUnconnectingHeaders gets reset back to 0. - if (!g_chainman.m_blockman.LookupBlockIndex(headers[0].hashPrevBlock) && nCount < MAX_BLOCKS_TO_ANNOUNCE) { + if (!m_chainman.m_blockman.LookupBlockIndex(headers[0].hashPrevBlock) && nCount < MAX_BLOCKS_TO_ANNOUNCE) { nodestate->nUnconnectingHeaders++; - m_connman.PushMessage(&pfrom, msgMaker.Make(NetMsgType::GETHEADERS, ::ChainActive().GetLocator(pindexBestHeader), uint256())); + m_connman.PushMessage(&pfrom, msgMaker.Make(NetMsgType::GETHEADERS, m_chainman.ActiveChain().GetLocator(pindexBestHeader), uint256())); LogPrint(BCLog::NET, "received header %s: missing prev block %s, sending getheaders (%d) to end (peer=%d, nUnconnectingHeaders=%d)\n", headers[0].GetHash().ToString(), headers[0].hashPrevBlock.ToString(), @@ -1871,7 +1890,7 @@ void PeerManagerImpl::ProcessHeadersMessage(CNode& pfrom, const Peer& peer, // If we don't have the last header, then they'll have given us // something new (if these headers are valid). - if (!g_chainman.m_blockman.LookupBlockIndex(hashLastBlock)) { + if (!m_chainman.m_blockman.LookupBlockIndex(hashLastBlock)) { received_new_header = true; } } @@ -1899,27 +1918,27 @@ void PeerManagerImpl::ProcessHeadersMessage(CNode& pfrom, const Peer& peer, // because it is set in UpdateBlockAvailability. Some nullptr checks // are still present, however, as belt-and-suspenders. - if (received_new_header && pindexLast->nChainWork > ::ChainActive().Tip()->nChainWork) { + if (received_new_header && pindexLast->nChainWork > m_chainman.ActiveChain().Tip()->nChainWork) { nodestate->m_last_block_announcement = GetTime(); } if (nCount == MAX_HEADERS_RESULTS) { // Headers message had its maximum size; the peer may have more headers. - // TODO: optimize: if pindexLast is an ancestor of ::ChainActive().Tip or pindexBestHeader, continue + // TODO: optimize: if pindexLast is an ancestor of m_chainman.ActiveChain().Tip or pindexBestHeader, continue // from there instead. LogPrint(BCLog::NET, "more getheaders (%d) to end to peer=%d (startheight:%d)\n", pindexLast->nHeight, pfrom.GetId(), peer.m_starting_height); - m_connman.PushMessage(&pfrom, msgMaker.Make(NetMsgType::GETHEADERS, ::ChainActive().GetLocator(pindexLast), uint256())); + m_connman.PushMessage(&pfrom, msgMaker.Make(NetMsgType::GETHEADERS, m_chainman.ActiveChain().GetLocator(pindexLast), uint256())); } bool fCanDirectFetch = CanDirectFetch(m_chainparams.GetConsensus()); // If this set of headers is valid and ends in a block with at least as // much work as our tip, download as much as possible. - if (fCanDirectFetch && pindexLast->IsValid(BLOCK_VALID_TREE) && ::ChainActive().Tip()->nChainWork <= pindexLast->nChainWork) { + if (fCanDirectFetch && pindexLast->IsValid(BLOCK_VALID_TREE) && m_chainman.ActiveChain().Tip()->nChainWork <= pindexLast->nChainWork) { std::vector<const CBlockIndex*> vToFetch; const CBlockIndex *pindexWalk = pindexLast; // Calculate all the blocks we'd need to switch to pindexLast, up to a limit. - while (pindexWalk && !::ChainActive().Contains(pindexWalk) && vToFetch.size() <= MAX_BLOCKS_IN_TRANSIT_PER_PEER) { + while (pindexWalk && !m_chainman.ActiveChain().Contains(pindexWalk) && vToFetch.size() <= MAX_BLOCKS_IN_TRANSIT_PER_PEER) { if (!(pindexWalk->nStatus & BLOCK_HAVE_DATA) && !mapBlocksInFlight.count(pindexWalk->GetBlockHash()) && (!IsWitnessEnabled(pindexWalk->pprev, m_chainparams.GetConsensus()) || State(pfrom.GetId())->fHaveWitness)) { @@ -1932,7 +1951,7 @@ void PeerManagerImpl::ProcessHeadersMessage(CNode& pfrom, const Peer& peer, // very large reorg at a time we think we're close to caught up to // the main chain -- this shouldn't really happen. Bail out on the // direct fetch and rely on parallel download instead. - if (!::ChainActive().Contains(pindexWalk)) { + if (!m_chainman.ActiveChain().Contains(pindexWalk)) { LogPrint(BCLog::NET, "Large reorg, won't direct fetch to %s (%d)\n", pindexLast->GetBlockHash().ToString(), pindexLast->nHeight); @@ -1965,7 +1984,7 @@ void PeerManagerImpl::ProcessHeadersMessage(CNode& pfrom, const Peer& peer, } // If we're in IBD, we want outbound peers that will serve us a useful // chain. Disconnect peers that are on chains with insufficient work. - if (::ChainstateActive().IsInitialBlockDownload() && nCount != MAX_HEADERS_RESULTS) { + if (m_chainman.ActiveChainstate().IsInitialBlockDownload() && nCount != MAX_HEADERS_RESULTS) { // When nCount < MAX_HEADERS_RESULTS, we know we have no more // headers to fetch from this peer. if (nodestate->pindexBestKnownBlock && nodestate->pindexBestKnownBlock->nChainWork < nMinimumChainWork) { @@ -1973,7 +1992,7 @@ void PeerManagerImpl::ProcessHeadersMessage(CNode& pfrom, const Peer& peer, // us sync -- disconnect if it is an outbound disconnection // candidate. // Note: We compare their tip to nMinimumChainWork (rather than - // ::ChainActive().Tip()) because we won't start block download + // m_chainman.ActiveChain().Tip()) because we won't start block download // until we have a headers chain that has at least // nMinimumChainWork, even if a peer has a chain past our tip, // as an anti-DoS measure. @@ -1990,7 +2009,7 @@ void PeerManagerImpl::ProcessHeadersMessage(CNode& pfrom, const Peer& peer, // thus always subject to eviction under the bad/lagging chain logic. // See ChainSyncTimeoutState. if (!pfrom.fDisconnect && pfrom.IsFullOutboundConn() && nodestate->pindexBestKnownBlock != nullptr) { - if (m_outbound_peers_with_protect_from_disconnect < MAX_OUTBOUND_PEERS_TO_PROTECT_FROM_DISCONNECT && nodestate->pindexBestKnownBlock->nChainWork >= ::ChainActive().Tip()->nChainWork && !nodestate->m_chain_sync.m_protect) { + if (m_outbound_peers_with_protect_from_disconnect < MAX_OUTBOUND_PEERS_TO_PROTECT_FROM_DISCONNECT && nodestate->pindexBestKnownBlock->nChainWork >= m_chainman.ActiveChain().Tip()->nChainWork && !nodestate->m_chain_sync.m_protect) { LogPrint(BCLog::NET, "Protecting outbound peer=%d from eviction\n", pfrom.GetId()); nodestate->m_chain_sync.m_protect = true; ++m_outbound_peers_with_protect_from_disconnect; @@ -2021,7 +2040,7 @@ void PeerManagerImpl::ProcessOrphanTx(std::set<uint256>& orphan_work_set) const auto [porphanTx, from_peer] = m_orphanage.GetTx(orphanHash); if (porphanTx == nullptr) continue; - const MempoolAcceptResult result = AcceptToMemoryPool(::ChainstateActive(), m_mempool, porphanTx, false /* bypass_limits */); + const MempoolAcceptResult result = AcceptToMemoryPool(m_chainman.ActiveChainstate(), m_mempool, porphanTx, false /* bypass_limits */); const TxValidationState& state = result.m_state; if (result.m_result_type == MempoolAcceptResult::ResultType::VALID) { @@ -2097,7 +2116,7 @@ void PeerManagerImpl::ProcessOrphanTx(std::set<uint256>& orphan_work_set) * @param[out] filter_index The filter index, if the request can be serviced. * @return True if the request can be serviced. */ -static bool PrepareBlockFilterRequest(CNode& peer, const CChainParams& chain_params, +bool PeerManagerImpl::PrepareBlockFilterRequest(CNode& peer, const CChainParams& chain_params, BlockFilterType filter_type, uint32_t start_height, const uint256& stop_hash, uint32_t max_height_diff, const CBlockIndex*& stop_index, @@ -2115,7 +2134,7 @@ static bool PrepareBlockFilterRequest(CNode& peer, const CChainParams& chain_par { LOCK(cs_main); - stop_index = g_chainman.m_blockman.LookupBlockIndex(stop_hash); + stop_index = m_chainman.m_blockman.LookupBlockIndex(stop_hash); // Check that the stop block exists and the peer would be allowed to fetch it. if (!stop_index || !BlockRequestAllowed(stop_index, chain_params.GetConsensus())) { @@ -2160,7 +2179,7 @@ static bool PrepareBlockFilterRequest(CNode& peer, const CChainParams& chain_par * @param[in] chain_params Chain parameters * @param[in] connman Pointer to the connection manager */ -static void ProcessGetCFilters(CNode& peer, CDataStream& vRecv, const CChainParams& chain_params, +void PeerManagerImpl::ProcessGetCFilters(CNode& peer, CDataStream& vRecv, const CChainParams& chain_params, CConnman& connman) { uint8_t filter_type_ser; @@ -2202,7 +2221,7 @@ static void ProcessGetCFilters(CNode& peer, CDataStream& vRecv, const CChainPara * @param[in] chain_params Chain parameters * @param[in] connman Pointer to the connection manager */ -static void ProcessGetCFHeaders(CNode& peer, CDataStream& vRecv, const CChainParams& chain_params, +void PeerManagerImpl::ProcessGetCFHeaders(CNode& peer, CDataStream& vRecv, const CChainParams& chain_params, CConnman& connman) { uint8_t filter_type_ser; @@ -2257,7 +2276,7 @@ static void ProcessGetCFHeaders(CNode& peer, CDataStream& vRecv, const CChainPar * @param[in] chain_params Chain parameters * @param[in] connman Pointer to the connection manager */ -static void ProcessGetCFCheckPt(CNode& peer, CDataStream& vRecv, const CChainParams& chain_params, +void PeerManagerImpl::ProcessGetCFCheckPt(CNode& peer, CDataStream& vRecv, const CChainParams& chain_params, CConnman& connman) { uint8_t filter_type_ser; @@ -2440,7 +2459,7 @@ void PeerManagerImpl::ProcessMessage(CNode& pfrom, const std::string& msg_type, // // We skip this for block-relay-only peers to avoid potentially leaking // information about our block-relay-only connections via address relay. - if (fListen && !::ChainstateActive().IsInitialBlockDownload()) + if (fListen && !m_chainman.ActiveChainstate().IsInitialBlockDownload()) { CAddress addr = GetLocalAddress(&pfrom.addr, pfrom.GetLocalServices()); FastRandomContext insecure_rand; @@ -2757,7 +2776,7 @@ void PeerManagerImpl::ProcessMessage(CNode& pfrom, const std::string& msg_type, } if (best_block != nullptr) { - m_connman.PushMessage(&pfrom, msgMaker.Make(NetMsgType::GETHEADERS, ::ChainActive().GetLocator(pindexBestHeader), *best_block)); + m_connman.PushMessage(&pfrom, msgMaker.Make(NetMsgType::GETHEADERS, m_chainman.ActiveChain().GetLocator(pindexBestHeader), *best_block)); LogPrint(BCLog::NET, "getheaders (%d) %s to peer=%d\n", pindexBestHeader->nHeight, best_block->ToString(), pfrom.GetId()); } @@ -2813,7 +2832,7 @@ void PeerManagerImpl::ProcessMessage(CNode& pfrom, const std::string& msg_type, a_recent_block = most_recent_block; } BlockValidationState state; - if (!::ChainstateActive().ActivateBestChain(state, m_chainparams, a_recent_block)) { + if (!m_chainman.ActiveChainstate().ActivateBestChain(state, m_chainparams, a_recent_block)) { LogPrint(BCLog::NET, "failed to activate chain (%s)\n", state.ToString()); } } @@ -2821,14 +2840,14 @@ void PeerManagerImpl::ProcessMessage(CNode& pfrom, const std::string& msg_type, LOCK(cs_main); // Find the last block the caller has in the main chain - const CBlockIndex* pindex = g_chainman.m_blockman.FindForkInGlobalIndex(::ChainActive(), locator); + const CBlockIndex* pindex = m_chainman.m_blockman.FindForkInGlobalIndex(m_chainman.ActiveChain(), locator); // Send the rest of the chain if (pindex) - pindex = ::ChainActive().Next(pindex); + pindex = m_chainman.ActiveChain().Next(pindex); int nLimit = 500; LogPrint(BCLog::NET, "getblocks %d to %s limit %d from peer=%d\n", (pindex ? pindex->nHeight : -1), hashStop.IsNull() ? "end" : hashStop.ToString(), nLimit, pfrom.GetId()); - for (; pindex; pindex = ::ChainActive().Next(pindex)) + for (; pindex; pindex = m_chainman.ActiveChain().Next(pindex)) { if (pindex->GetBlockHash() == hashStop) { @@ -2838,7 +2857,7 @@ void PeerManagerImpl::ProcessMessage(CNode& pfrom, const std::string& msg_type, // If pruning, don't inv blocks unless we have on disk and are likely to still have // for some reasonable time window (1 hour) that block relay might require. const int nPrunedBlocksLikelyToHave = MIN_BLOCKS_TO_KEEP - 3600 / m_chainparams.GetConsensus().nPowTargetSpacing; - if (fPruneMode && (!(pindex->nStatus & BLOCK_HAVE_DATA) || pindex->nHeight <= ::ChainActive().Tip()->nHeight - nPrunedBlocksLikelyToHave)) + if (fPruneMode && (!(pindex->nStatus & BLOCK_HAVE_DATA) || pindex->nHeight <= m_chainman.ActiveChain().Tip()->nHeight - nPrunedBlocksLikelyToHave)) { LogPrint(BCLog::NET, " getblocks stopping, pruned or too old block at %d %s\n", pindex->nHeight, pindex->GetBlockHash().ToString()); break; @@ -2874,13 +2893,13 @@ void PeerManagerImpl::ProcessMessage(CNode& pfrom, const std::string& msg_type, { LOCK(cs_main); - const CBlockIndex* pindex = g_chainman.m_blockman.LookupBlockIndex(req.blockhash); + const CBlockIndex* pindex = m_chainman.m_blockman.LookupBlockIndex(req.blockhash); if (!pindex || !(pindex->nStatus & BLOCK_HAVE_DATA)) { LogPrint(BCLog::NET, "Peer %d sent us a getblocktxn for a block we don't have\n", pfrom.GetId()); return; } - if (pindex->nHeight >= ::ChainActive().Height() - MAX_BLOCKTXN_DEPTH) { + if (pindex->nHeight >= m_chainman.ActiveChain().Height() - MAX_BLOCKTXN_DEPTH) { CBlock block; bool ret = ReadBlockFromDisk(block, pindex, m_chainparams.GetConsensus()); assert(ret); @@ -2918,7 +2937,7 @@ void PeerManagerImpl::ProcessMessage(CNode& pfrom, const std::string& msg_type, } LOCK(cs_main); - if (::ChainstateActive().IsInitialBlockDownload() && !pfrom.HasPermission(PF_DOWNLOAD)) { + if (m_chainman.ActiveChainstate().IsInitialBlockDownload() && !pfrom.HasPermission(PF_DOWNLOAD)) { LogPrint(BCLog::NET, "Ignoring getheaders from peer=%d because node is in initial block download\n", pfrom.GetId()); return; } @@ -2928,7 +2947,7 @@ void PeerManagerImpl::ProcessMessage(CNode& pfrom, const std::string& msg_type, if (locator.IsNull()) { // If locator is null, return the hashStop block - pindex = g_chainman.m_blockman.LookupBlockIndex(hashStop); + pindex = m_chainman.m_blockman.LookupBlockIndex(hashStop); if (!pindex) { return; } @@ -2941,23 +2960,23 @@ void PeerManagerImpl::ProcessMessage(CNode& pfrom, const std::string& msg_type, else { // Find the last block the caller has in the main chain - pindex = g_chainman.m_blockman.FindForkInGlobalIndex(::ChainActive(), locator); + pindex = m_chainman.m_blockman.FindForkInGlobalIndex(m_chainman.ActiveChain(), locator); if (pindex) - pindex = ::ChainActive().Next(pindex); + pindex = m_chainman.ActiveChain().Next(pindex); } // we must use CBlocks, as CBlockHeaders won't include the 0x00 nTx count at the end std::vector<CBlock> vHeaders; int nLimit = MAX_HEADERS_RESULTS; LogPrint(BCLog::NET, "getheaders %d to %s from peer=%d\n", (pindex ? pindex->nHeight : -1), hashStop.IsNull() ? "end" : hashStop.ToString(), pfrom.GetId()); - for (; pindex; pindex = ::ChainActive().Next(pindex)) + for (; pindex; pindex = m_chainman.ActiveChain().Next(pindex)) { vHeaders.push_back(pindex->GetBlockHeader()); if (--nLimit <= 0 || pindex->GetBlockHash() == hashStop) break; } - // pindex can be nullptr either if we sent ::ChainActive().Tip() OR - // if our peer has ::ChainActive().Tip() (and thus we are sending an empty + // pindex can be nullptr either if we sent m_chainman.ActiveChain().Tip() OR + // if our peer has m_chainman.ActiveChain().Tip() (and thus we are sending an empty // headers message). In both cases it's safe to update // pindexBestHeaderSent to be our tip. // @@ -2968,7 +2987,7 @@ void PeerManagerImpl::ProcessMessage(CNode& pfrom, const std::string& msg_type, // without the new block. By resetting the BestHeaderSent, we ensure we // will re-announce the new block via headers (or compact blocks again) // in the SendMessages logic. - nodestate->pindexBestHeaderSent = pindex ? pindex : ::ChainActive().Tip(); + nodestate->pindexBestHeaderSent = pindex ? pindex : m_chainman.ActiveChain().Tip(); m_connman.PushMessage(&pfrom, msgMaker.Make(NetMsgType::HEADERS, vHeaders)); return; } @@ -3036,7 +3055,7 @@ void PeerManagerImpl::ProcessMessage(CNode& pfrom, const std::string& msg_type, return; } - const MempoolAcceptResult result = AcceptToMemoryPool(::ChainstateActive(), m_mempool, ptx, false /* bypass_limits */); + const MempoolAcceptResult result = AcceptToMemoryPool(m_chainman.ActiveChainstate(), m_mempool, ptx, false /* bypass_limits */); const TxValidationState& state = result.m_state; if (result.m_result_type == MempoolAcceptResult::ResultType::VALID) { @@ -3201,14 +3220,14 @@ void PeerManagerImpl::ProcessMessage(CNode& pfrom, const std::string& msg_type, { LOCK(cs_main); - if (!g_chainman.m_blockman.LookupBlockIndex(cmpctblock.header.hashPrevBlock)) { + if (!m_chainman.m_blockman.LookupBlockIndex(cmpctblock.header.hashPrevBlock)) { // Doesn't connect (or is genesis), instead of DoSing in AcceptBlockHeader, request deeper headers - if (!::ChainstateActive().IsInitialBlockDownload()) - m_connman.PushMessage(&pfrom, msgMaker.Make(NetMsgType::GETHEADERS, ::ChainActive().GetLocator(pindexBestHeader), uint256())); + if (!m_chainman.ActiveChainstate().IsInitialBlockDownload()) + m_connman.PushMessage(&pfrom, msgMaker.Make(NetMsgType::GETHEADERS, m_chainman.ActiveChain().GetLocator(pindexBestHeader), uint256())); return; } - if (!g_chainman.m_blockman.LookupBlockIndex(cmpctblock.header.GetHash())) { + if (!m_chainman.m_blockman.LookupBlockIndex(cmpctblock.header.GetHash())) { received_new_header = true; } } @@ -3248,7 +3267,7 @@ void PeerManagerImpl::ProcessMessage(CNode& pfrom, const std::string& msg_type, // If this was a new header with more work than our tip, update the // peer's last block announcement time - if (received_new_header && pindex->nChainWork > ::ChainActive().Tip()->nChainWork) { + if (received_new_header && pindex->nChainWork > m_chainman.ActiveChain().Tip()->nChainWork) { nodestate->m_last_block_announcement = GetTime(); } @@ -3258,7 +3277,7 @@ void PeerManagerImpl::ProcessMessage(CNode& pfrom, const std::string& msg_type, if (pindex->nStatus & BLOCK_HAVE_DATA) // Nothing to do here return; - if (pindex->nChainWork <= ::ChainActive().Tip()->nChainWork || // We know something better + if (pindex->nChainWork <= m_chainman.ActiveChain().Tip()->nChainWork || // We know something better pindex->nTx != 0) { // We had this block at some point, but pruned it if (fAlreadyInFlight) { // We requested this block for some reason, but our mempool will probably be useless @@ -3282,7 +3301,7 @@ void PeerManagerImpl::ProcessMessage(CNode& pfrom, const std::string& msg_type, // We want to be a bit conservative just to be extra careful about DoS // possibilities in compact block processing... - if (pindex->nHeight <= ::ChainActive().Height() + 2) { + if (pindex->nHeight <= m_chainman.ActiveChain().Height() + 2) { if ((!fAlreadyInFlight && nodestate->nBlocksInFlight < MAX_BLOCKS_IN_TRANSIT_PER_PEER) || (fAlreadyInFlight && blockInFlightIt->second.first == pfrom.GetId())) { std::list<QueuedBlock>::iterator* queuedBlockIt = nullptr; @@ -3930,7 +3949,7 @@ void PeerManagerImpl::ConsiderEviction(CNode& pto, int64_t time_in_seconds) // their chain has more work than ours, we should sync to it, // unless it's invalid, in which case we should find that out and // disconnect from them elsewhere). - if (state.pindexBestKnownBlock != nullptr && state.pindexBestKnownBlock->nChainWork >= ::ChainActive().Tip()->nChainWork) { + if (state.pindexBestKnownBlock != nullptr && state.pindexBestKnownBlock->nChainWork >= m_chainman.ActiveChain().Tip()->nChainWork) { if (state.m_chain_sync.m_timeout != 0) { state.m_chain_sync.m_timeout = 0; state.m_chain_sync.m_work_header = nullptr; @@ -3942,7 +3961,7 @@ void PeerManagerImpl::ConsiderEviction(CNode& pto, int64_t time_in_seconds) // where we checked against our tip. // Either way, set a new timeout based on current tip. state.m_chain_sync.m_timeout = time_in_seconds + CHAIN_SYNC_TIMEOUT; - state.m_chain_sync.m_work_header = ::ChainActive().Tip(); + state.m_chain_sync.m_work_header = m_chainman.ActiveChain().Tip(); state.m_chain_sync.m_sent_getheaders = false; } else if (state.m_chain_sync.m_timeout > 0 && time_in_seconds > state.m_chain_sync.m_timeout) { // No evidence yet that our peer has synced to a chain with work equal to that @@ -3955,7 +3974,7 @@ void PeerManagerImpl::ConsiderEviction(CNode& pto, int64_t time_in_seconds) } else { assert(state.m_chain_sync.m_work_header); LogPrint(BCLog::NET, "sending getheaders to outbound peer=%d to verify chain work (current best known block:%s, benchmark blockhash: %s)\n", pto.GetId(), state.pindexBestKnownBlock != nullptr ? state.pindexBestKnownBlock->GetBlockHash().ToString() : "<none>", state.m_chain_sync.m_work_header->GetBlockHash().ToString()); - m_connman.PushMessage(&pto, msgMaker.Make(NetMsgType::GETHEADERS, ::ChainActive().GetLocator(state.m_chain_sync.m_work_header->pprev), uint256())); + m_connman.PushMessage(&pto, msgMaker.Make(NetMsgType::GETHEADERS, m_chainman.ActiveChain().GetLocator(state.m_chain_sync.m_work_header->pprev), uint256())); state.m_chain_sync.m_sent_getheaders = true; constexpr int64_t HEADERS_RESPONSE_TIME = 120; // 2 minutes // Bump the timeout to allow a response, which could clear the timeout @@ -4192,7 +4211,7 @@ bool PeerManagerImpl::SendMessages(CNode* pto) auto current_time = GetTime<std::chrono::microseconds>(); if (fListen && pto->RelayAddrsWithConn() && - !::ChainstateActive().IsInitialBlockDownload() && + !m_chainman.ActiveChainstate().IsInitialBlockDownload() && pto->m_next_local_addr_send < current_time) { // If we've sent before, clear the bloom filter for the peer, so that our // self-announcement will actually go out. @@ -4253,7 +4272,7 @@ bool PeerManagerImpl::SendMessages(CNode* pto) // Start block sync if (pindexBestHeader == nullptr) - pindexBestHeader = ::ChainActive().Tip(); + pindexBestHeader = m_chainman.ActiveChain().Tip(); bool fFetch = state.fPreferredDownload || (nPreferredDownload == 0 && !pto->fClient && !pto->IsAddrFetchConn()); // 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) { // Only actively request headers from a single peer, unless we're close to today. @@ -4278,7 +4297,7 @@ bool PeerManagerImpl::SendMessages(CNode* pto) if (pindexStart->pprev) pindexStart = pindexStart->pprev; LogPrint(BCLog::NET, "initial getheaders (%d) to peer=%d (startheight:%d)\n", pindexStart->nHeight, pto->GetId(), peer->m_starting_height); - m_connman.PushMessage(pto, msgMaker.Make(NetMsgType::GETHEADERS, ::ChainActive().GetLocator(pindexStart), uint256())); + m_connman.PushMessage(pto, msgMaker.Make(NetMsgType::GETHEADERS, m_chainman.ActiveChain().GetLocator(pindexStart), uint256())); } } @@ -4305,11 +4324,11 @@ bool PeerManagerImpl::SendMessages(CNode* pto) bool fFoundStartingHeader = false; // Try to find first header that our peer doesn't have, and // then send all headers past that one. If we come across any - // headers that aren't on ::ChainActive(), give up. + // headers that aren't on m_chainman.ActiveChain(), give up. for (const uint256& hash : peer->m_blocks_for_headers_relay) { - const CBlockIndex* pindex = g_chainman.m_blockman.LookupBlockIndex(hash); + const CBlockIndex* pindex = m_chainman.m_blockman.LookupBlockIndex(hash); assert(pindex); - if (::ChainActive()[pindex->nHeight] != pindex) { + if (m_chainman.ActiveChain()[pindex->nHeight] != pindex) { // Bail out if we reorged away from this block fRevertToInv = true; break; @@ -4399,15 +4418,15 @@ bool PeerManagerImpl::SendMessages(CNode* pto) // in the past. if (!peer->m_blocks_for_headers_relay.empty()) { const uint256& hashToAnnounce = peer->m_blocks_for_headers_relay.back(); - const CBlockIndex* pindex = g_chainman.m_blockman.LookupBlockIndex(hashToAnnounce); + const CBlockIndex* pindex = m_chainman.m_blockman.LookupBlockIndex(hashToAnnounce); assert(pindex); // Warn if we're announcing a block that is not on the main chain. // This should be very rare and could be optimized out. // Just log for now. - if (::ChainActive()[pindex->nHeight] != pindex) { + if (m_chainman.ActiveChain()[pindex->nHeight] != pindex) { LogPrint(BCLog::NET, "Announcing block %s not on main chain (tip=%s)\n", - hashToAnnounce.ToString(), ::ChainActive().Tip()->GetBlockHash().ToString()); + hashToAnnounce.ToString(), m_chainman.ActiveChain().Tip()->GetBlockHash().ToString()); } // If the peer's chain has this block, don't inv it back. @@ -4637,7 +4656,7 @@ bool PeerManagerImpl::SendMessages(CNode* pto) // Message: getdata (blocks) // std::vector<CInv> vGetData; - if (!pto->fClient && ((fFetch && !pto->m_limited_node) || !::ChainstateActive().IsInitialBlockDownload()) && state.nBlocksInFlight < MAX_BLOCKS_IN_TRANSIT_PER_PEER) { + if (!pto->fClient && ((fFetch && !pto->m_limited_node) || !m_chainman.ActiveChainstate().IsInitialBlockDownload()) && state.nBlocksInFlight < MAX_BLOCKS_IN_TRANSIT_PER_PEER) { std::vector<const CBlockIndex*> vToDownload; NodeId staller = -1; FindNextBlocksToDownload(pto->GetId(), MAX_BLOCKS_IN_TRANSIT_PER_PEER - state.nBlocksInFlight, vToDownload, staller); @@ -4726,4 +4745,3 @@ bool PeerManagerImpl::SendMessages(CNode* pto) } // release cs_main return true; } - |