diff options
Diffstat (limited to 'src/main.cpp')
| -rw-r--r-- | src/main.cpp | 34 |
1 files changed, 27 insertions, 7 deletions
diff --git a/src/main.cpp b/src/main.cpp index 162c8b986..527d4f570 100644 --- a/src/main.cpp +++ b/src/main.cpp @@ -1054,9 +1054,10 @@ bool AcceptToMemoryPoolWorker(CTxMemPool& pool, CValidationState& state, const C LOCK(pool.cs); // protect pool.mapNextTx BOOST_FOREACH(const CTxIn &txin, tx.vin) { - if (pool.mapNextTx.count(txin.prevout)) + auto itConflicting = pool.mapNextTx.find(txin.prevout); + if (itConflicting != pool.mapNextTx.end()) { - const CTransaction *ptxConflicting = pool.mapNextTx[txin.prevout].ptx; + const CTransaction *ptxConflicting = itConflicting->second; if (!setConflicts.count(ptxConflicting->GetHash())) { // Allow opt-out of transaction replacement by setting @@ -1885,8 +1886,8 @@ bool CheckInputs(const CTransaction& tx, CValidationState &state, const CCoinsVi // such nodes as they are not following the protocol. That // said during an upgrade careful thought should be taken // as to the correct behavior - we may want to continue - // peering with non-upgraded nodes even after a soft-fork - // super-majority vote has passed. + // peering with non-upgraded nodes even after soft-fork + // super-majority signaling has occurred. return state.DoS(100,false, REJECT_INVALID, strprintf("mandatory-script-verify-flag-failed (%s)", ScriptErrorString(check.GetScriptError()))); } } @@ -2921,14 +2922,15 @@ static void NotifyHeaderTip() { */ bool ActivateBestChain(CValidationState &state, const CChainParams& chainparams, const CBlock *pblock) { CBlockIndex *pindexMostWork = NULL; + CBlockIndex *pindexNewTip = NULL; do { boost::this_thread::interruption_point(); if (ShutdownRequested()) break; - CBlockIndex *pindexNewTip = NULL; const CBlockIndex *pindexFork; bool fInitialDownload; + int nNewHeight; { LOCK(cs_main); CBlockIndex *pindexOldTip = chainActive.Tip(); @@ -2951,6 +2953,7 @@ bool ActivateBestChain(CValidationState &state, const CChainParams& chainparams, pindexNewTip = chainActive.Tip(); pindexFork = chainActive.FindFork(pindexOldTip); fInitialDownload = IsInitialBlockDownload(); + nNewHeight = chainActive.Height(); } // When we reach this point, we switched to a new tip (stored in pindexNewTip). @@ -2979,7 +2982,7 @@ bool ActivateBestChain(CValidationState &state, const CChainParams& chainparams, { LOCK(cs_vNodes); BOOST_FOREACH(CNode* pnode, vNodes) { - if (chainActive.Height() > (pnode->nStartingHeight != -1 ? pnode->nStartingHeight - 2000 : nBlockEstimate)) { + if (nNewHeight > (pnode->nStartingHeight != -1 ? pnode->nStartingHeight - 2000 : nBlockEstimate)) { BOOST_REVERSE_FOREACH(const uint256& hash, vHashes) { pnode->PushBlockHash(hash); } @@ -2992,7 +2995,7 @@ bool ActivateBestChain(CValidationState &state, const CChainParams& chainparams, } } } - } while(pindexMostWork != chainActive.Tip()); + } while (pindexNewTip != pindexMostWork); CheckBlockIndex(chainparams.GetConsensus()); // Write changes periodically to disk, after relay. @@ -4568,6 +4571,7 @@ bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv, strCommand == NetMsgType::FILTERCLEAR)) { if (pfrom->nVersion >= NO_BLOOM_VERSION) { + LOCK(cs_main); Misbehaving(pfrom->GetId(), 100); return false; } else { @@ -4583,6 +4587,7 @@ bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv, if (pfrom->nVersion != 0) { pfrom->PushMessage(NetMsgType::REJECT, strCommand, REJECT_DUPLICATE, string("Duplicate version message")); + LOCK(cs_main); Misbehaving(pfrom->GetId(), 1); return false; } @@ -4642,7 +4647,10 @@ bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv, pfrom->fClient = !(pfrom->nServices & NODE_NETWORK); // Potentially mark this peer as a preferred download peer. + { + LOCK(cs_main); UpdatePreferredDownload(pfrom, State(pfrom->GetId())); + } // Change version pfrom->PushMessage(NetMsgType::VERACK); @@ -4700,6 +4708,7 @@ bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv, else if (pfrom->nVersion == 0) { // Must have a version message before anything else + LOCK(cs_main); Misbehaving(pfrom->GetId(), 1); return false; } @@ -4735,6 +4744,7 @@ bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv, return true; if (vAddr.size() > 1000) { + LOCK(cs_main); Misbehaving(pfrom->GetId(), 20); return error("message addr size() = %u", vAddr.size()); } @@ -4802,6 +4812,7 @@ bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv, vRecv >> vInv; if (vInv.size() > MAX_INV_SZ) { + LOCK(cs_main); Misbehaving(pfrom->GetId(), 20); return error("message inv size() = %u", vInv.size()); } @@ -4877,6 +4888,7 @@ bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv, vRecv >> vInv; if (vInv.size() > MAX_INV_SZ) { + LOCK(cs_main); Misbehaving(pfrom->GetId(), 20); return error("message getdata size() = %u", vInv.size()); } @@ -5128,6 +5140,7 @@ bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv, // Bypass the normal CBlock deserialization, as we don't want to risk deserializing 2000 full blocks. unsigned int nCount = ReadCompactSize(vRecv); if (nCount > MAX_HEADERS_RESULTS) { + LOCK(cs_main); Misbehaving(pfrom->GetId(), 20); return error("headers message size = %u", nCount); } @@ -5389,8 +5402,11 @@ bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv, LOCK(pfrom->cs_filter); if (!filter.IsWithinSizeConstraints()) + { // There is no excuse for sending a too-large filter + LOCK(cs_main); Misbehaving(pfrom->GetId(), 100); + } else { delete pfrom->pfilter; @@ -5410,13 +5426,17 @@ bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv, // and thus, the maximum size any matched object can have) in a filteradd message if (vData.size() > MAX_SCRIPT_ELEMENT_SIZE) { + LOCK(cs_main); Misbehaving(pfrom->GetId(), 100); } else { LOCK(pfrom->cs_filter); if (pfrom->pfilter) pfrom->pfilter->insert(vData); else + { + LOCK(cs_main); Misbehaving(pfrom->GetId(), 100); + } } } |