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-rw-r--r--src/main.cpp138
1 files changed, 86 insertions, 52 deletions
diff --git a/src/main.cpp b/src/main.cpp
index 162c8b986c..bd028fefba 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -37,6 +37,7 @@
#include "validationinterface.h"
#include "versionbits.h"
+#include <atomic>
#include <sstream>
#include <boost/algorithm/string/replace.hpp>
@@ -80,9 +81,6 @@ uint64_t nPruneTarget = 0;
int64_t nMaxTipAge = DEFAULT_MAX_TIP_AGE;
bool fEnableReplacement = DEFAULT_ENABLE_REPLACEMENT;
-std::map<uint256, CTransaction> mapRelay;
-std::deque<std::pair<int64_t, uint256> > vRelayExpiration;
-CCriticalSection cs_mapRelay;
CFeeRate minRelayTxFee = CFeeRate(DEFAULT_MIN_RELAY_TX_FEE);
CAmount maxTxFee = DEFAULT_TRANSACTION_MAXFEE;
@@ -215,6 +213,12 @@ namespace {
/** Number of peers from which we're downloading blocks. */
int nPeersWithValidatedDownloads = 0;
+
+ /** Relay map, protected by cs_main. */
+ typedef std::map<uint256, std::shared_ptr<const CTransaction>> 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;
} // anon namespace
//////////////////////////////////////////////////////////////////////////////
@@ -1054,9 +1058,10 @@ 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
@@ -1441,8 +1446,10 @@ bool GetTransaction(const uint256 &hash, CTransaction &txOut, const Consensus::P
LOCK(cs_main);
- if (mempool.lookup(hash, txOut))
+ std::shared_ptr<const CTransaction> ptx = mempool.get(hash);
+ if (ptx)
{
+ txOut = *ptx;
return true;
}
@@ -1576,18 +1583,24 @@ CAmount GetBlockSubsidy(int nHeight, const Consensus::Params& consensusParams)
bool IsInitialBlockDownload()
{
const CChainParams& chainParams = Params();
+
+ // Once this function has returned false, it must remain false.
+ static std::atomic<bool> latchToFalse{false};
+ // Optimization: pre-test latch before taking the lock.
+ if (latchToFalse.load(std::memory_order_relaxed))
+ return false;
+
LOCK(cs_main);
+ if (latchToFalse.load(std::memory_order_relaxed))
+ return false;
if (fImporting || fReindex)
return true;
if (fCheckpointsEnabled && chainActive.Height() < Checkpoints::GetTotalBlocksEstimate(chainParams.Checkpoints()))
return true;
- static bool lockIBDState = false;
- if (lockIBDState)
- return false;
bool state = (chainActive.Height() < pindexBestHeader->nHeight - 24 * 6 ||
std::max(chainActive.Tip()->GetBlockTime(), pindexBestHeader->GetBlockTime()) < GetTime() - nMaxTipAge);
if (!state)
- lockIBDState = true;
+ latchToFalse.store(true, std::memory_order_relaxed);
return state;
}
@@ -1885,8 +1898,8 @@ 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 +2934,15 @@ 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 +2965,7 @@ 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 +2994,7 @@ 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 +3007,7 @@ bool ActivateBestChain(CValidationState &state, const CChainParams& chainparams,
}
}
}
- } while(pindexMostWork != chainActive.Tip());
+ } while (pindexNewTip != pindexMostWork);
CheckBlockIndex(chainparams.GetConsensus());
// Write changes periodically to disk, after relay.
@@ -3873,10 +3888,18 @@ bool CVerifyDB::VerifyDB(const CChainParams& chainparams, CCoinsView *coinsview,
CBlockIndex* pindexFailure = NULL;
int nGoodTransactions = 0;
CValidationState state;
+ int reportDone = 0;
+ LogPrintf("[0%]...");
for (CBlockIndex* pindex = chainActive.Tip(); pindex && pindex->pprev; pindex = pindex->pprev)
{
boost::this_thread::interruption_point();
- uiInterface.ShowProgress(_("Verifying blocks..."), std::max(1, std::min(99, (int)(((double)(chainActive.Height() - pindex->nHeight)) / (double)nCheckDepth * (nCheckLevel >= 4 ? 50 : 100)))));
+ int percentageDone = std::max(1, std::min(99, (int)(((double)(chainActive.Height() - pindex->nHeight)) / (double)nCheckDepth * (nCheckLevel >= 4 ? 50 : 100))));
+ if (reportDone < percentageDone/10) {
+ // report every 10% step
+ LogPrintf("[%d%%]...", percentageDone);
+ reportDone = percentageDone/10;
+ }
+ uiInterface.ShowProgress(_("Verifying blocks..."), percentageDone);
if (pindex->nHeight < chainActive.Height()-nCheckDepth)
break;
if (fPruneMode && !(pindex->nStatus & BLOCK_HAVE_DATA)) {
@@ -3934,6 +3957,7 @@ bool CVerifyDB::VerifyDB(const CChainParams& chainparams, CCoinsView *coinsview,
}
}
+ LogPrintf("[DONE].\n");
LogPrintf("No coin database inconsistencies in last %i blocks (%i transactions)\n", chainActive.Height() - pindexState->nHeight, nGoodTransactions);
return true;
@@ -4502,30 +4526,24 @@ void static ProcessGetData(CNode* pfrom, const Consensus::Params& consensusParam
}
}
}
- else if (inv.IsKnownType())
+ else if (inv.type == MSG_TX)
{
- CTransaction tx;
// Send stream from relay memory
bool push = false;
- {
- LOCK(cs_mapRelay);
- map<uint256, CTransaction>::iterator mi = mapRelay.find(inv.hash);
- if (mi != mapRelay.end()) {
- tx = (*mi).second;
- push = true;
- }
- }
- if (!push && inv.type == MSG_TX) {
- int64_t txtime;
+ auto mi = mapRelay.find(inv.hash);
+ if (mi != mapRelay.end()) {
+ pfrom->PushMessage(NetMsgType::TX, *mi->second);
+ push = true;
+ } else if (pfrom->timeLastMempoolReq) {
+ auto txinfo = mempool.info(inv.hash);
// To protect privacy, do not answer getdata using the mempool when
// that TX couldn't have been INVed in reply to a MEMPOOL request.
- if (mempool.lookup(inv.hash, tx, txtime) && txtime <= pfrom->timeLastMempoolReq) {
+ if (txinfo.tx && txinfo.nTime <= pfrom->timeLastMempoolReq) {
+ pfrom->PushMessage(NetMsgType::TX, *txinfo.tx);
push = true;
}
}
- if (push) {
- pfrom->PushMessage(inv.GetCommand(), tx);
- } else {
+ if (!push) {
vNotFound.push_back(inv);
}
}
@@ -4568,6 +4586,7 @@ 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 +4602,7 @@ 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 +4662,10 @@ 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 +4723,7 @@ 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 +4759,7 @@ 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 +4827,7 @@ 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 +4903,7 @@ 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 +5155,7 @@ 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);
}
@@ -5290,6 +5318,13 @@ bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv,
else if (strCommand == NetMsgType::MEMPOOL)
{
+ if (!(nLocalServices & NODE_BLOOM) && !pfrom->fWhitelisted)
+ {
+ LogPrint("net", "mempool request with bloom filters disabled, disconnect peer=%d\n", pfrom->GetId());
+ pfrom->fDisconnect = true;
+ return true;
+ }
+
if (CNode::OutboundTargetReached(false) && !pfrom->fWhitelisted)
{
LogPrint("net", "mempool request with bandwidth limit reached, disconnect peer=%d\n", pfrom->GetId());
@@ -5389,8 +5424,11 @@ 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 +5448,17 @@ 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);
+ }
}
}
@@ -5880,8 +5922,7 @@ bool SendMessages(CNode* pto)
// Respond to BIP35 mempool requests
if (fSendTrickle && pto->fSendMempool) {
- std::vector<uint256> vtxid;
- mempool.queryHashes(vtxid);
+ auto vtxinfo = mempool.infoAll();
pto->fSendMempool = false;
CAmount filterrate = 0;
{
@@ -5891,20 +5932,16 @@ bool SendMessages(CNode* pto)
LOCK(pto->cs_filter);
- BOOST_FOREACH(const uint256& hash, vtxid) {
+ for (const auto& txinfo : vtxinfo) {
+ const uint256& hash = txinfo.tx->GetHash();
CInv inv(MSG_TX, hash);
pto->setInventoryTxToSend.erase(hash);
if (filterrate) {
- CFeeRate feeRate;
- mempool.lookupFeeRate(hash, feeRate);
- if (feeRate.GetFeePerK() < filterrate)
+ if (txinfo.feeRate.GetFeePerK() < filterrate)
continue;
}
if (pto->pfilter) {
- CTransaction tx;
- bool fInMemPool = mempool.lookup(hash, tx);
- if (!fInMemPool) continue; // another thread removed since queryHashes, maybe...
- if (!pto->pfilter->IsRelevantAndUpdate(tx)) continue;
+ if (!pto->pfilter->IsRelevantAndUpdate(*txinfo.tx)) continue;
}
pto->filterInventoryKnown.insert(hash);
vInv.push_back(inv);
@@ -5950,31 +5987,28 @@ bool SendMessages(CNode* pto)
continue;
}
// Not in the mempool anymore? don't bother sending it.
- CFeeRate feeRate;
- if (!mempool.lookupFeeRate(hash, feeRate)) {
+ auto txinfo = mempool.info(hash);
+ if (!txinfo.tx) {
continue;
}
- if (filterrate && feeRate.GetFeePerK() < filterrate) {
+ if (filterrate && txinfo.feeRate.GetFeePerK() < filterrate) {
continue;
}
- CTransaction tx;
- if (!mempool.lookup(hash, tx)) continue;
- if (pto->pfilter && !pto->pfilter->IsRelevantAndUpdate(tx)) continue;
+ if (pto->pfilter && !pto->pfilter->IsRelevantAndUpdate(*txinfo.tx)) continue;
// Send
vInv.push_back(CInv(MSG_TX, hash));
nRelayedTransactions++;
{
- LOCK(cs_mapRelay);
// Expire old relay messages
- while (!vRelayExpiration.empty() && vRelayExpiration.front().first < GetTime())
+ while (!vRelayExpiration.empty() && vRelayExpiration.front().first < nNow)
{
mapRelay.erase(vRelayExpiration.front().second);
vRelayExpiration.pop_front();
}
- auto ret = mapRelay.insert(std::make_pair(hash, tx));
+ auto ret = mapRelay.insert(std::make_pair(hash, std::move(txinfo.tx)));
if (ret.second) {
- vRelayExpiration.push_back(std::make_pair(GetTime() + 15 * 60, hash));
+ vRelayExpiration.push_back(std::make_pair(nNow + 15 * 60 * 1000000, ret.first));
}
}
if (vInv.size() == MAX_INV_SZ) {