diff options
Diffstat (limited to 'src/net_processing.cpp')
| -rw-r--r-- | src/net_processing.cpp | 181 |
1 files changed, 81 insertions, 100 deletions
diff --git a/src/net_processing.cpp b/src/net_processing.cpp index ce4ac3cd7..1d386b1ad 100644 --- a/src/net_processing.cpp +++ b/src/net_processing.cpp @@ -869,7 +869,7 @@ void UpdateLastBlockAnnounceTime(NodeId node, int64_t time_in_seconds) if (state) state->m_last_block_announcement = time_in_seconds; } -void PeerLogicValidation::InitializeNode(CNode *pnode) { +void PeerManager::InitializeNode(CNode *pnode) { CAddress addr = pnode->addr; std::string addrName = pnode->GetAddrName(); NodeId nodeid = pnode->GetId(); @@ -887,7 +887,7 @@ void PeerLogicValidation::InitializeNode(CNode *pnode) { } } -void PeerLogicValidation::ReattemptInitialBroadcast(CScheduler& scheduler) const +void PeerManager::ReattemptInitialBroadcast(CScheduler& scheduler) const { std::map<uint256, uint256> unbroadcast_txids = m_mempool.GetUnbroadcastTxs(); @@ -907,7 +907,7 @@ void PeerLogicValidation::ReattemptInitialBroadcast(CScheduler& scheduler) const scheduler.scheduleFromNow([&] { ReattemptInitialBroadcast(scheduler); }, delta); } -void PeerLogicValidation::FinalizeNode(NodeId nodeid, bool& fUpdateConnectionTime) { +void PeerManager::FinalizeNode(NodeId nodeid, bool& fUpdateConnectionTime) { fUpdateConnectionTime = false; LOCK(cs_main); int misbehavior{0}; @@ -1110,11 +1110,7 @@ unsigned int LimitOrphanTxSize(unsigned int nMaxOrphans) return nEvicted; } -/** - * Increment peer's misbehavior score. If the new value >= DISCOURAGEMENT_THRESHOLD, mark the node - * to be discouraged, meaning the peer might be disconnected and added to the discouragement filter. - */ -void Misbehaving(const NodeId pnode, const int howmuch, const std::string& message) +void PeerManager::Misbehaving(const NodeId pnode, const int howmuch, const std::string& message) { assert(howmuch > 0); @@ -1132,17 +1128,9 @@ void Misbehaving(const NodeId pnode, const int howmuch, const std::string& messa } } -/** - * Potentially mark a node discouraged based on the contents of a BlockValidationState object - * - * @param[in] via_compact_block this bool is passed in because net_processing should - * punish peers differently depending on whether the data was provided in a compact - * block message or not. If the compact block had a valid header, but contained invalid - * txs, the peer should not be punished. See BIP 152. - * - * @return Returns true if the peer was punished (probably disconnected) - */ -static bool MaybePunishNodeForBlock(NodeId nodeid, const BlockValidationState& state, bool via_compact_block, const std::string& message = "") { +bool PeerManager::MaybePunishNodeForBlock(NodeId nodeid, const BlockValidationState& state, + bool via_compact_block, const std::string& message) +{ switch (state.GetResult()) { case BlockValidationResult::BLOCK_RESULT_UNSET: break; @@ -1190,12 +1178,7 @@ static bool MaybePunishNodeForBlock(NodeId nodeid, const BlockValidationState& s return false; } -/** - * Potentially disconnect and discourage a node based on the contents of a TxValidationState object - * - * @return Returns true if the peer was punished (probably disconnected) - */ -static bool MaybePunishNodeForTx(NodeId nodeid, const TxValidationState& state, const std::string& message = "") +bool PeerManager::MaybePunishNodeForTx(NodeId nodeid, const TxValidationState& state, const std::string& message) { switch (state.GetResult()) { case TxValidationResult::TX_RESULT_UNSET: @@ -1241,8 +1224,10 @@ static bool BlockRequestAllowed(const CBlockIndex* pindex, const Consensus::Para (GetBlockProofEquivalentTime(*pindexBestHeader, *pindex, *pindexBestHeader, consensusParams) < STALE_RELAY_AGE_LIMIT); } -PeerLogicValidation::PeerLogicValidation(CConnman& connman, BanMan* banman, CScheduler& scheduler, ChainstateManager& chainman, CTxMemPool& pool) - : m_connman(connman), +PeerManager::PeerManager(const CChainParams& chainparams, CConnman& connman, BanMan* banman, + CScheduler& scheduler, ChainstateManager& chainman, CTxMemPool& pool) + : m_chainparams(chainparams), + m_connman(connman), m_banman(banman), m_chainman(chainman), m_mempool(pool), @@ -1262,13 +1247,12 @@ PeerLogicValidation::PeerLogicValidation(CConnman& connman, BanMan* banman, CSch // same probability that we have in the reject filter). g_recent_confirmed_transactions.reset(new CRollingBloomFilter(48000, 0.000001)); - const Consensus::Params& consensusParams = Params().GetConsensus(); // Stale tip checking and peer eviction are on two different timers, but we // don't want them to get out of sync due to drift in the scheduler, so we // combine them in one function and schedule at the quicker (peer-eviction) // timer. static_assert(EXTRA_PEER_CHECK_INTERVAL < STALE_CHECK_INTERVAL, "peer eviction timer should be less than stale tip check timer"); - scheduler.scheduleEvery([this, consensusParams] { this->CheckForStaleTipAndEvictPeers(consensusParams); }, std::chrono::seconds{EXTRA_PEER_CHECK_INTERVAL}); + scheduler.scheduleEvery([this] { this->CheckForStaleTipAndEvictPeers(); }, std::chrono::seconds{EXTRA_PEER_CHECK_INTERVAL}); // schedule next run for 10-15 minutes in the future const std::chrono::milliseconds delta = std::chrono::minutes{10} + GetRandMillis(std::chrono::minutes{5}); @@ -1279,7 +1263,7 @@ PeerLogicValidation::PeerLogicValidation(CConnman& connman, BanMan* banman, CSch * Evict orphan txn pool entries (EraseOrphanTx) based on a newly connected * block. Also save the time of the last tip update. */ -void PeerLogicValidation::BlockConnected(const std::shared_ptr<const CBlock>& pblock, const CBlockIndex* pindex) +void PeerManager::BlockConnected(const std::shared_ptr<const CBlock>& pblock, const CBlockIndex* pindex) { { LOCK(g_cs_orphans); @@ -1323,7 +1307,7 @@ void PeerLogicValidation::BlockConnected(const std::shared_ptr<const CBlock>& pb } } -void PeerLogicValidation::BlockDisconnected(const std::shared_ptr<const CBlock> &block, const CBlockIndex* pindex) +void PeerManager::BlockDisconnected(const std::shared_ptr<const CBlock> &block, const CBlockIndex* pindex) { // To avoid relay problems with transactions that were previously // confirmed, clear our filter of recently confirmed transactions whenever @@ -1348,7 +1332,7 @@ static bool fWitnessesPresentInMostRecentCompactBlock GUARDED_BY(cs_most_recent_ * Maintain state about the best-seen block and fast-announce a compact block * to compatible peers. */ -void PeerLogicValidation::NewPoWValidBlock(const CBlockIndex *pindex, const std::shared_ptr<const CBlock>& pblock) { +void PeerManager::NewPoWValidBlock(const CBlockIndex *pindex, const std::shared_ptr<const CBlock>& pblock) { std::shared_ptr<const CBlockHeaderAndShortTxIDs> pcmpctblock = std::make_shared<const CBlockHeaderAndShortTxIDs> (*pblock, true); const CNetMsgMaker msgMaker(PROTOCOL_VERSION); @@ -1359,7 +1343,7 @@ void PeerLogicValidation::NewPoWValidBlock(const CBlockIndex *pindex, const std: return; nHighestFastAnnounce = pindex->nHeight; - bool fWitnessEnabled = IsWitnessEnabled(pindex->pprev, Params().GetConsensus()); + bool fWitnessEnabled = IsWitnessEnabled(pindex->pprev, m_chainparams.GetConsensus()); uint256 hashBlock(pblock->GetHash()); { @@ -1383,7 +1367,7 @@ void PeerLogicValidation::NewPoWValidBlock(const CBlockIndex *pindex, const std: if (state.fPreferHeaderAndIDs && (!fWitnessEnabled || state.fWantsCmpctWitness) && !PeerHasHeader(&state, pindex) && PeerHasHeader(&state, pindex->pprev)) { - LogPrint(BCLog::NET, "%s sending header-and-ids %s to peer=%d\n", "PeerLogicValidation::NewPoWValidBlock", + LogPrint(BCLog::NET, "%s sending header-and-ids %s to peer=%d\n", "PeerManager::NewPoWValidBlock", hashBlock.ToString(), pnode->GetId()); m_connman.PushMessage(pnode, msgMaker.Make(NetMsgType::CMPCTBLOCK, *pcmpctblock)); state.pindexBestHeaderSent = pindex; @@ -1395,7 +1379,7 @@ void PeerLogicValidation::NewPoWValidBlock(const CBlockIndex *pindex, const std: * Update our best height and announce any block hashes which weren't previously * in ::ChainActive() to our peers. */ -void PeerLogicValidation::UpdatedBlockTip(const CBlockIndex *pindexNew, const CBlockIndex *pindexFork, bool fInitialDownload) { +void PeerManager::UpdatedBlockTip(const CBlockIndex *pindexNew, const CBlockIndex *pindexFork, bool fInitialDownload) { const int nNewHeight = pindexNew->nHeight; m_connman.SetBestHeight(nNewHeight); @@ -1430,7 +1414,7 @@ void PeerLogicValidation::UpdatedBlockTip(const CBlockIndex *pindexNew, const CB * Handle invalid block rejection and consequent peer discouragement, maintain which * peers announce compact blocks. */ -void PeerLogicValidation::BlockChecked(const CBlock& block, const BlockValidationState& state) { +void PeerManager::BlockChecked(const CBlock& block, const BlockValidationState& state) { LOCK(cs_main); const uint256 hash(block.GetHash()); @@ -1519,7 +1503,6 @@ void RelayTransaction(const uint256& txid, const uint256& wtxid, const CConnman& static void RelayAddress(const CAddress& addr, bool fReachable, const CConnman& connman) { - unsigned int nRelayNodes = fReachable ? 2 : 1; // limited relaying of addresses outside our network(s) // Relay to a limited number of other nodes // Use deterministic randomness to send to the same nodes for 24 hours @@ -1528,6 +1511,9 @@ static void RelayAddress(const CAddress& addr, bool fReachable, const CConnman& const CSipHasher hasher = connman.GetDeterministicRandomizer(RANDOMIZER_ID_ADDRESS_RELAY).Write(hashAddr << 32).Write((GetTime() + hashAddr) / (24 * 60 * 60)); FastRandomContext insecure_rand; + // Relay reachable addresses to 2 peers. Unreachable addresses are relayed randomly to 1 or 2 peers. + unsigned int nRelayNodes = (fReachable || (hasher.Finalize() & 1)) ? 2 : 1; + std::array<std::pair<uint64_t, CNode*>,2> best{{{0, nullptr}, {0, nullptr}}}; assert(nRelayNodes <= best.size()); @@ -1585,7 +1571,7 @@ void static ProcessGetBlockData(CNode& pfrom, const CChainParams& chainparams, c } // release cs_main before calling ActivateBestChain if (need_activate_chain) { BlockValidationState state; - if (!ActivateBestChain(state, Params(), a_recent_block)) { + if (!ActivateBestChain(state, chainparams, a_recent_block)) { LogPrint(BCLog::NET, "failed to activate chain (%s)\n", state.ToString()); } } @@ -1708,7 +1694,7 @@ void static ProcessGetBlockData(CNode& pfrom, const CChainParams& chainparams, c } //! Determine whether or not a peer can request a transaction, and return it (or nullptr if not found or not allowed). -CTransactionRef static FindTxForGetData(const CNode& peer, const GenTxid& gtxid, const std::chrono::seconds mempool_req, const std::chrono::seconds now) LOCKS_EXCLUDED(cs_main) +static CTransactionRef FindTxForGetData(const CTxMemPool& mempool, const CNode& peer, const GenTxid& gtxid, const std::chrono::seconds mempool_req, const std::chrono::seconds now) LOCKS_EXCLUDED(cs_main) { auto txinfo = mempool.info(gtxid); if (txinfo.tx) { @@ -1764,7 +1750,7 @@ void static ProcessGetData(CNode& pfrom, const CChainParams& chainparams, CConnm continue; } - CTransactionRef tx = FindTxForGetData(pfrom, ToGenTxid(inv), mempool_req, now); + CTransactionRef tx = FindTxForGetData(mempool, pfrom, ToGenTxid(inv), mempool_req, now); if (tx) { // WTX and WITNESS_TX imply we serialize with witness int nSendFlags = (inv.IsMsgTx() ? SERIALIZE_TRANSACTION_NO_WITNESS : 0); @@ -1776,11 +1762,11 @@ void static ProcessGetData(CNode& pfrom, const CChainParams& chainparams, CConnm LOCK(mempool.cs); auto txiter = mempool.GetIter(tx->GetHash()); if (txiter) { - const CTxMemPool::setEntries& parents = mempool.GetMemPoolParents(*txiter); + const CTxMemPoolEntry::Parents& parents = (*txiter)->GetMemPoolParentsConst(); parent_ids_to_add.reserve(parents.size()); - for (CTxMemPool::txiter parent_iter : parents) { - if (parent_iter->GetTime() > now - UNCONDITIONAL_RELAY_DELAY) { - parent_ids_to_add.push_back(parent_iter->GetTx().GetHash()); + for (const CTxMemPoolEntry& parent : parents) { + if (parent.GetTime() > now - UNCONDITIONAL_RELAY_DELAY) { + parent_ids_to_add.push_back(parent.GetTx().GetHash()); } } } @@ -1837,7 +1823,7 @@ static uint32_t GetFetchFlags(const CNode& pfrom) EXCLUSIVE_LOCKS_REQUIRED(cs_ma return nFetchFlags; } -inline void static SendBlockTransactions(const CBlock& block, const BlockTransactionsRequest& req, CNode& pfrom, CConnman& connman) { +void PeerManager::SendBlockTransactions(CNode& pfrom, const CBlock& block, const BlockTransactionsRequest& req) { BlockTransactions resp(req); for (size_t i = 0; i < req.indexes.size(); i++) { if (req.indexes[i] >= block.vtx.size()) { @@ -1849,10 +1835,10 @@ inline void static SendBlockTransactions(const CBlock& block, const BlockTransac LOCK(cs_main); const CNetMsgMaker msgMaker(pfrom.GetSendVersion()); int nSendFlags = State(pfrom.GetId())->fWantsCmpctWitness ? 0 : SERIALIZE_TRANSACTION_NO_WITNESS; - connman.PushMessage(&pfrom, msgMaker.Make(nSendFlags, NetMsgType::BLOCKTXN, resp)); + m_connman.PushMessage(&pfrom, msgMaker.Make(nSendFlags, NetMsgType::BLOCKTXN, resp)); } -static void ProcessHeadersMessage(CNode& pfrom, CConnman& connman, ChainstateManager& chainman, CTxMemPool& mempool, const std::vector<CBlockHeader>& headers, const CChainParams& chainparams, bool via_compact_block) +void PeerManager::ProcessHeadersMessage(CNode& pfrom, const std::vector<CBlockHeader>& headers, bool via_compact_block) { const CNetMsgMaker msgMaker(pfrom.GetSendVersion()); size_t nCount = headers.size(); @@ -1878,7 +1864,7 @@ static void ProcessHeadersMessage(CNode& pfrom, CConnman& connman, ChainstateMan // nUnconnectingHeaders gets reset back to 0. if (!LookupBlockIndex(headers[0].hashPrevBlock) && nCount < MAX_BLOCKS_TO_ANNOUNCE) { nodestate->nUnconnectingHeaders++; - connman.PushMessage(&pfrom, msgMaker.Make(NetMsgType::GETHEADERS, ::ChainActive().GetLocator(pindexBestHeader), uint256())); + m_connman.PushMessage(&pfrom, msgMaker.Make(NetMsgType::GETHEADERS, ::ChainActive().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(), @@ -1912,7 +1898,7 @@ static void ProcessHeadersMessage(CNode& pfrom, CConnman& connman, ChainstateMan } BlockValidationState state; - if (!chainman.ProcessNewBlockHeaders(headers, state, chainparams, &pindexLast)) { + if (!m_chainman.ProcessNewBlockHeaders(headers, state, m_chainparams, &pindexLast)) { if (state.IsInvalid()) { MaybePunishNodeForBlock(pfrom.GetId(), state, via_compact_block, "invalid header received"); return; @@ -1943,10 +1929,10 @@ static void ProcessHeadersMessage(CNode& pfrom, CConnman& connman, ChainstateMan // TODO: optimize: if pindexLast is an ancestor of ::ChainActive().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(), pfrom.nStartingHeight); - connman.PushMessage(&pfrom, msgMaker.Make(NetMsgType::GETHEADERS, ::ChainActive().GetLocator(pindexLast), uint256())); + m_connman.PushMessage(&pfrom, msgMaker.Make(NetMsgType::GETHEADERS, ::ChainActive().GetLocator(pindexLast), uint256())); } - bool fCanDirectFetch = CanDirectFetch(chainparams.GetConsensus()); + 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) { @@ -1956,7 +1942,7 @@ static void ProcessHeadersMessage(CNode& pfrom, CConnman& connman, ChainstateMan while (pindexWalk && !::ChainActive().Contains(pindexWalk) && vToFetch.size() <= MAX_BLOCKS_IN_TRANSIT_PER_PEER) { if (!(pindexWalk->nStatus & BLOCK_HAVE_DATA) && !mapBlocksInFlight.count(pindexWalk->GetBlockHash()) && - (!IsWitnessEnabled(pindexWalk->pprev, chainparams.GetConsensus()) || State(pfrom.GetId())->fHaveWitness)) { + (!IsWitnessEnabled(pindexWalk->pprev, m_chainparams.GetConsensus()) || State(pfrom.GetId())->fHaveWitness)) { // We don't have this block, and it's not yet in flight. vToFetch.push_back(pindexWalk); } @@ -1980,7 +1966,7 @@ static void ProcessHeadersMessage(CNode& pfrom, CConnman& connman, ChainstateMan } uint32_t nFetchFlags = GetFetchFlags(pfrom); vGetData.push_back(CInv(MSG_BLOCK | nFetchFlags, pindex->GetBlockHash())); - MarkBlockAsInFlight(mempool, pfrom.GetId(), pindex->GetBlockHash(), pindex); + MarkBlockAsInFlight(m_mempool, pfrom.GetId(), pindex->GetBlockHash(), pindex); LogPrint(BCLog::NET, "Requesting block %s from peer=%d\n", pindex->GetBlockHash().ToString(), pfrom.GetId()); } @@ -1993,7 +1979,7 @@ static void ProcessHeadersMessage(CNode& pfrom, CConnman& connman, ChainstateMan // In any case, we want to download using a compact block, not a regular one vGetData[0] = CInv(MSG_CMPCT_BLOCK, vGetData[0].hash); } - connman.PushMessage(&pfrom, msgMaker.Make(NetMsgType::GETDATA, vGetData)); + m_connman.PushMessage(&pfrom, msgMaker.Make(NetMsgType::GETDATA, vGetData)); } } } @@ -2034,7 +2020,7 @@ static void ProcessHeadersMessage(CNode& pfrom, CConnman& connman, ChainstateMan return; } -void static ProcessOrphanTx(CConnman& connman, CTxMemPool& mempool, std::set<uint256>& orphan_work_set, std::list<CTransactionRef>& removed_txn) EXCLUSIVE_LOCKS_REQUIRED(cs_main, g_cs_orphans) +void PeerManager::ProcessOrphanTx(std::set<uint256>& orphan_work_set, std::list<CTransactionRef>& removed_txn) { AssertLockHeld(cs_main); AssertLockHeld(g_cs_orphans); @@ -2056,9 +2042,9 @@ void static ProcessOrphanTx(CConnman& connman, CTxMemPool& mempool, std::set<uin TxValidationState orphan_state; if (setMisbehaving.count(fromPeer)) continue; - if (AcceptToMemoryPool(mempool, orphan_state, porphanTx, &removed_txn, false /* bypass_limits */, 0 /* nAbsurdFee */)) { + if (AcceptToMemoryPool(m_mempool, orphan_state, porphanTx, &removed_txn, false /* bypass_limits */, 0 /* nAbsurdFee */)) { LogPrint(BCLog::MEMPOOL, " accepted orphan tx %s\n", orphanHash.ToString()); - RelayTransaction(orphanHash, porphanTx->GetWitnessHash(), connman); + RelayTransaction(orphanHash, porphanTx->GetWitnessHash(), m_connman); for (unsigned int i = 0; i < orphanTx.vout.size(); i++) { auto it_by_prev = mapOrphanTransactionsByPrev.find(COutPoint(orphanHash, i)); if (it_by_prev != mapOrphanTransactionsByPrev.end()) { @@ -2116,7 +2102,7 @@ void static ProcessOrphanTx(CConnman& connman, CTxMemPool& mempool, std::set<uin EraseOrphanTx(orphanHash); done = true; } - mempool.check(&::ChainstateActive().CoinsTip()); + m_mempool.check(&::ChainstateActive().CoinsTip()); } } @@ -2336,9 +2322,9 @@ static void ProcessGetCFCheckPt(CNode& peer, CDataStream& vRecv, const CChainPar connman.PushMessage(&peer, std::move(msg)); } -void PeerLogicValidation::ProcessMessage(CNode& pfrom, const std::string& msg_type, CDataStream& vRecv, +void PeerManager::ProcessMessage(CNode& pfrom, const std::string& msg_type, CDataStream& vRecv, const std::chrono::microseconds time_received, - const CChainParams& chainparams, const std::atomic<bool>& interruptMsgProc) + const std::atomic<bool>& interruptMsgProc) { LogPrint(BCLog::NET, "received: %s (%u bytes) peer=%d\n", SanitizeString(msg_type), vRecv.size(), pfrom.GetId()); if (gArgs.IsArgSet("-dropmessagestest") && GetRand(gArgs.GetArg("-dropmessagestest", 0)) == 0) @@ -2730,7 +2716,7 @@ void PeerLogicValidation::ProcessMessage(CNode& pfrom, const std::string& msg_ty } } else if (inv.IsGenTxMsg()) { const GenTxid gtxid = ToGenTxid(inv); - const bool fAlreadyHave = AlreadyHaveTx(gtxid, mempool); + const bool fAlreadyHave = AlreadyHaveTx(gtxid, m_mempool); LogPrint(BCLog::NET, "got inv: %s %s peer=%d\n", inv.ToString(), fAlreadyHave ? "have" : "new", pfrom.GetId()); pfrom.AddKnownTx(inv.hash); @@ -2770,7 +2756,7 @@ void PeerLogicValidation::ProcessMessage(CNode& pfrom, const std::string& msg_ty } pfrom.vRecvGetData.insert(pfrom.vRecvGetData.end(), vInv.begin(), vInv.end()); - ProcessGetData(pfrom, chainparams, m_connman, m_mempool, interruptMsgProc); + ProcessGetData(pfrom, m_chainparams, m_connman, m_mempool, interruptMsgProc); return; } @@ -2799,7 +2785,7 @@ void PeerLogicValidation::ProcessMessage(CNode& pfrom, const std::string& msg_ty a_recent_block = most_recent_block; } BlockValidationState state; - if (!ActivateBestChain(state, Params(), a_recent_block)) { + if (!ActivateBestChain(state, m_chainparams, a_recent_block)) { LogPrint(BCLog::NET, "failed to activate chain (%s)\n", state.ToString()); } } @@ -2823,7 +2809,7 @@ void PeerLogicValidation::ProcessMessage(CNode& pfrom, const std::string& msg_ty } // 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 / chainparams.GetConsensus().nPowTargetSpacing; + 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)) { LogPrint(BCLog::NET, " getblocks stopping, pruned or too old block at %d %s\n", pindex->nHeight, pindex->GetBlockHash().ToString()); @@ -2854,7 +2840,7 @@ void PeerLogicValidation::ProcessMessage(CNode& pfrom, const std::string& msg_ty // Unlock cs_most_recent_block to avoid cs_main lock inversion } if (recent_block) { - SendBlockTransactions(*recent_block, req, pfrom, m_connman); + SendBlockTransactions(pfrom, *recent_block, req); return; } @@ -2884,10 +2870,10 @@ void PeerLogicValidation::ProcessMessage(CNode& pfrom, const std::string& msg_ty } CBlock block; - bool ret = ReadBlockFromDisk(block, pindex, chainparams.GetConsensus()); + bool ret = ReadBlockFromDisk(block, pindex, m_chainparams.GetConsensus()); assert(ret); - SendBlockTransactions(block, req, pfrom, m_connman); + SendBlockTransactions(pfrom, block, req); return; } @@ -2918,7 +2904,7 @@ void PeerLogicValidation::ProcessMessage(CNode& pfrom, const std::string& msg_ty return; } - if (!BlockRequestAllowed(pindex, chainparams.GetConsensus())) { + if (!BlockRequestAllowed(pindex, m_chainparams.GetConsensus())) { LogPrint(BCLog::NET, "%s: ignoring request from peer=%i for old block header that isn't in the main chain\n", __func__, pfrom.GetId()); return; } @@ -3001,7 +2987,7 @@ void PeerLogicValidation::ProcessMessage(CNode& pfrom, const std::string& msg_ty std::list<CTransactionRef> lRemovedTxn; - // We do the AlreadyHave() check using wtxid, rather than txid - in the + // We do the AlreadyHaveTx() check using wtxid, rather than txid - in the // absence of witness malleation, this is strictly better, because the // recent rejects filter may contain the wtxid but rarely contains // the txid of a segwit transaction that has been rejected. @@ -3034,7 +3020,7 @@ void PeerLogicValidation::ProcessMessage(CNode& pfrom, const std::string& msg_ty m_mempool.size(), m_mempool.DynamicMemoryUsage() / 1000); // Recursively process any orphan transactions that depended on this one - ProcessOrphanTx(m_connman, m_mempool, pfrom.orphan_work_set, lRemovedTxn); + ProcessOrphanTx(pfrom.orphan_work_set, lRemovedTxn); } else if (state.GetResult() == TxValidationResult::TX_MISSING_INPUTS) { @@ -3196,7 +3182,7 @@ void PeerLogicValidation::ProcessMessage(CNode& pfrom, const std::string& msg_ty const CBlockIndex *pindex = nullptr; BlockValidationState state; - if (!m_chainman.ProcessNewBlockHeaders({cmpctblock.header}, state, chainparams, &pindex)) { + if (!m_chainman.ProcessNewBlockHeaders({cmpctblock.header}, state, m_chainparams, &pindex)) { if (state.IsInvalid()) { MaybePunishNodeForBlock(pfrom.GetId(), state, /*via_compact_block*/ true, "invalid header via cmpctblock"); return; @@ -3252,10 +3238,10 @@ void PeerLogicValidation::ProcessMessage(CNode& pfrom, const std::string& msg_ty } // If we're not close to tip yet, give up and let parallel block fetch work its magic - if (!fAlreadyInFlight && !CanDirectFetch(chainparams.GetConsensus())) + if (!fAlreadyInFlight && !CanDirectFetch(m_chainparams.GetConsensus())) return; - if (IsWitnessEnabled(pindex->pprev, chainparams.GetConsensus()) && !nodestate->fSupportsDesiredCmpctVersion) { + if (IsWitnessEnabled(pindex->pprev, m_chainparams.GetConsensus()) && !nodestate->fSupportsDesiredCmpctVersion) { // Don't bother trying to process compact blocks from v1 peers // after segwit activates. return; @@ -3339,8 +3325,9 @@ void PeerLogicValidation::ProcessMessage(CNode& pfrom, const std::string& msg_ty } } // cs_main - if (fProcessBLOCKTXN) - return ProcessMessage(pfrom, NetMsgType::BLOCKTXN, blockTxnMsg, time_received, chainparams, interruptMsgProc); + if (fProcessBLOCKTXN) { + return ProcessMessage(pfrom, NetMsgType::BLOCKTXN, blockTxnMsg, time_received, interruptMsgProc); + } if (fRevertToHeaderProcessing) { // Headers received from HB compact block peers are permitted to be @@ -3348,7 +3335,7 @@ void PeerLogicValidation::ProcessMessage(CNode& pfrom, const std::string& msg_ty // the peer if the header turns out to be for an invalid block. // Note that if a peer tries to build on an invalid chain, that // will be detected and the peer will be disconnected/discouraged. - return ProcessHeadersMessage(pfrom, m_connman, m_chainman, m_mempool, {cmpctblock.header}, chainparams, /*via_compact_block=*/true); + return ProcessHeadersMessage(pfrom, {cmpctblock.header}, /*via_compact_block=*/true); } if (fBlockReconstructed) { @@ -3368,7 +3355,7 @@ void PeerLogicValidation::ProcessMessage(CNode& pfrom, const std::string& msg_ty // we have a chain with at least nMinimumChainWork), and we ignore // compact blocks with less work than our tip, it is safe to treat // reconstructed compact blocks as having been requested. - m_chainman.ProcessNewBlock(chainparams, pblock, /*fForceProcessing=*/true, &fNewBlock); + m_chainman.ProcessNewBlock(m_chainparams, pblock, /*fForceProcessing=*/true, &fNewBlock); if (fNewBlock) { pfrom.nLastBlockTime = GetTime(); } else { @@ -3458,7 +3445,7 @@ void PeerLogicValidation::ProcessMessage(CNode& pfrom, const std::string& msg_ty // disk-space attacks), but this should be safe due to the // protections in the compact block handler -- see related comment // in compact block optimistic reconstruction handling. - m_chainman.ProcessNewBlock(chainparams, pblock, /*fForceProcessing=*/true, &fNewBlock); + m_chainman.ProcessNewBlock(m_chainparams, pblock, /*fForceProcessing=*/true, &fNewBlock); if (fNewBlock) { pfrom.nLastBlockTime = GetTime(); } else { @@ -3491,7 +3478,7 @@ void PeerLogicValidation::ProcessMessage(CNode& pfrom, const std::string& msg_ty ReadCompactSize(vRecv); // ignore tx count; assume it is 0. } - return ProcessHeadersMessage(pfrom, m_connman, m_chainman, m_mempool, headers, chainparams, /*via_compact_block=*/false); + return ProcessHeadersMessage(pfrom, headers, /*via_compact_block=*/false); } if (msg_type == NetMsgType::BLOCK) @@ -3520,7 +3507,7 @@ void PeerLogicValidation::ProcessMessage(CNode& pfrom, const std::string& msg_ty mapBlockSource.emplace(hash, std::make_pair(pfrom.GetId(), true)); } bool fNewBlock = false; - m_chainman.ProcessNewBlock(chainparams, pblock, forceProcessing, &fNewBlock); + m_chainman.ProcessNewBlock(m_chainparams, pblock, forceProcessing, &fNewBlock); if (fNewBlock) { pfrom.nLastBlockTime = GetTime(); } else { @@ -3749,17 +3736,17 @@ void PeerLogicValidation::ProcessMessage(CNode& pfrom, const std::string& msg_ty } if (msg_type == NetMsgType::GETCFILTERS) { - ProcessGetCFilters(pfrom, vRecv, chainparams, m_connman); + ProcessGetCFilters(pfrom, vRecv, m_chainparams, m_connman); return; } if (msg_type == NetMsgType::GETCFHEADERS) { - ProcessGetCFHeaders(pfrom, vRecv, chainparams, m_connman); + ProcessGetCFHeaders(pfrom, vRecv, m_chainparams, m_connman); return; } if (msg_type == NetMsgType::GETCFCHECKPT) { - ProcessGetCFCheckPt(pfrom, vRecv, chainparams, m_connman); + ProcessGetCFCheckPt(pfrom, vRecv, m_chainparams, m_connman); return; } @@ -3793,12 +3780,7 @@ void PeerLogicValidation::ProcessMessage(CNode& pfrom, const std::string& msg_ty return; } -/** Maybe disconnect a peer and discourage future connections from its address. - * - * @param[in] pnode The node to check. - * @return True if the peer was marked for disconnection in this function - */ -bool PeerLogicValidation::MaybeDiscourageAndDisconnect(CNode& pnode) +bool PeerManager::MaybeDiscourageAndDisconnect(CNode& pnode) { const NodeId peer_id{pnode.GetId()}; PeerRef peer = GetPeerRef(peer_id); @@ -3840,9 +3822,8 @@ bool PeerLogicValidation::MaybeDiscourageAndDisconnect(CNode& pnode) return true; } -bool PeerLogicValidation::ProcessMessages(CNode* pfrom, std::atomic<bool>& interruptMsgProc) +bool PeerManager::ProcessMessages(CNode* pfrom, std::atomic<bool>& interruptMsgProc) { - const CChainParams& chainparams = Params(); // // Message format // (4) message start @@ -3854,12 +3835,12 @@ bool PeerLogicValidation::ProcessMessages(CNode* pfrom, std::atomic<bool>& inter bool fMoreWork = false; if (!pfrom->vRecvGetData.empty()) - ProcessGetData(*pfrom, chainparams, m_connman, m_mempool, interruptMsgProc); + ProcessGetData(*pfrom, m_chainparams, m_connman, m_mempool, interruptMsgProc); if (!pfrom->orphan_work_set.empty()) { std::list<CTransactionRef> removed_txn; LOCK2(cs_main, g_cs_orphans); - ProcessOrphanTx(m_connman, m_mempool, pfrom->orphan_work_set, removed_txn); + ProcessOrphanTx(pfrom->orphan_work_set, removed_txn); for (const CTransactionRef& removedTx : removed_txn) { AddToCompactExtraTransactions(removedTx); } @@ -3919,7 +3900,7 @@ bool PeerLogicValidation::ProcessMessages(CNode* pfrom, std::atomic<bool>& inter } try { - ProcessMessage(*pfrom, msg_type, vRecv, msg.m_time, chainparams, interruptMsgProc); + ProcessMessage(*pfrom, msg_type, vRecv, msg.m_time, interruptMsgProc); if (interruptMsgProc) return false; if (!pfrom->vRecvGetData.empty()) @@ -3933,7 +3914,7 @@ bool PeerLogicValidation::ProcessMessages(CNode* pfrom, std::atomic<bool>& inter return fMoreWork; } -void PeerLogicValidation::ConsiderEviction(CNode& pto, int64_t time_in_seconds) +void PeerManager::ConsiderEviction(CNode& pto, int64_t time_in_seconds) { AssertLockHeld(cs_main); @@ -3986,7 +3967,7 @@ void PeerLogicValidation::ConsiderEviction(CNode& pto, int64_t time_in_seconds) } } -void PeerLogicValidation::EvictExtraOutboundPeers(int64_t time_in_seconds) +void PeerManager::EvictExtraOutboundPeers(int64_t time_in_seconds) { // Check whether we have too many outbound peers int extra_peers = m_connman.GetExtraOutboundCount(); @@ -4045,7 +4026,7 @@ void PeerLogicValidation::EvictExtraOutboundPeers(int64_t time_in_seconds) } } -void PeerLogicValidation::CheckForStaleTipAndEvictPeers(const Consensus::Params &consensusParams) +void PeerManager::CheckForStaleTipAndEvictPeers() { LOCK(cs_main); @@ -4056,7 +4037,7 @@ void PeerLogicValidation::CheckForStaleTipAndEvictPeers(const Consensus::Params if (time_in_seconds > m_stale_tip_check_time) { // Check whether our tip is stale, and if so, allow using an extra // outbound peer - if (!fImporting && !fReindex && m_connman.GetNetworkActive() && m_connman.GetUseAddrmanOutgoing() && TipMayBeStale(consensusParams)) { + if (!fImporting && !fReindex && m_connman.GetNetworkActive() && m_connman.GetUseAddrmanOutgoing() && TipMayBeStale(m_chainparams.GetConsensus())) { LogPrintf("Potential stale tip detected, will try using extra outbound peer (last tip update: %d seconds ago)\n", time_in_seconds - g_last_tip_update); m_connman.SetTryNewOutboundPeer(true); } else if (m_connman.GetTryNewOutboundPeer()) { @@ -4087,9 +4068,9 @@ public: }; } -bool PeerLogicValidation::SendMessages(CNode* pto) +bool PeerManager::SendMessages(CNode* pto) { - const Consensus::Params& consensusParams = Params().GetConsensus(); + const Consensus::Params& consensusParams = m_chainparams.GetConsensus(); // We must call MaybeDiscourageAndDisconnect first, to ensure that we'll // disconnect misbehaving peers even before the version handshake is complete. |