aboutsummaryrefslogtreecommitdiff
path: root/src/validation.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'src/validation.cpp')
-rw-r--r--src/validation.cpp28
1 files changed, 13 insertions, 15 deletions
diff --git a/src/validation.cpp b/src/validation.cpp
index 8cee0dfac3..978aaf7d06 100644
--- a/src/validation.cpp
+++ b/src/validation.cpp
@@ -547,8 +547,10 @@ static bool AcceptToMemoryPoolWorker(const CChainParams& chainparams, CTxMemPool
const CTransaction& tx = *ptx;
const uint256 hash = tx.GetHash();
AssertLockHeld(cs_main);
- if (pfMissingInputs)
+ LOCK(pool.cs); // mempool "read lock" (held through GetMainSignals().TransactionAddedToMempool())
+ if (pfMissingInputs) {
*pfMissingInputs = false;
+ }
if (!CheckTransaction(tx, state))
return false; // state filled in by CheckTransaction
@@ -581,8 +583,6 @@ static bool AcceptToMemoryPoolWorker(const CChainParams& chainparams, CTxMemPool
// Check for conflicts with in-memory transactions
std::set<uint256> setConflicts;
- {
- LOCK(pool.cs); // protect pool.mapNextTx
for (const CTxIn &txin : tx.vin)
{
auto itConflicting = pool.mapNextTx.find(txin.prevout);
@@ -623,15 +623,12 @@ static bool AcceptToMemoryPoolWorker(const CChainParams& chainparams, CTxMemPool
}
}
}
- }
{
CCoinsView dummy;
CCoinsViewCache view(&dummy);
LockPoints lp;
- {
- LOCK(pool.cs);
CCoinsViewMemPool viewMemPool(pcoinsTip.get(), pool);
view.SetBackend(viewMemPool);
@@ -670,8 +667,6 @@ static bool AcceptToMemoryPoolWorker(const CChainParams& chainparams, CTxMemPool
if (!CheckSequenceLocks(tx, STANDARD_LOCKTIME_VERIFY_FLAGS, &lp))
return state.DoS(0, false, REJECT_NONSTANDARD, "non-BIP68-final");
- } // end LOCK(pool.cs)
-
CAmount nFees = 0;
if (!Consensus::CheckTxInputs(tx, state, view, GetSpendHeight(view), nFees)) {
return error("%s: Consensus::CheckTxInputs: %s, %s", __func__, tx.GetHash().ToString(), FormatStateMessage(state));
@@ -768,7 +763,6 @@ static bool AcceptToMemoryPoolWorker(const CChainParams& chainparams, CTxMemPool
// If we don't hold the lock allConflicting might be incomplete; the
// subsequent RemoveStaged() and addUnchecked() calls don't guarantee
// mempool consistency for us.
- LOCK(pool.cs);
const bool fReplacementTransaction = setConflicts.size();
if (fReplacementTransaction)
{
@@ -1689,9 +1683,9 @@ int32_t ComputeBlockVersion(const CBlockIndex* pindexPrev, const Consensus::Para
int32_t nVersion = VERSIONBITS_TOP_BITS;
for (int i = 0; i < (int)Consensus::MAX_VERSION_BITS_DEPLOYMENTS; i++) {
- ThresholdState state = VersionBitsState(pindexPrev, params, (Consensus::DeploymentPos)i, versionbitscache);
+ ThresholdState state = VersionBitsState(pindexPrev, params, static_cast<Consensus::DeploymentPos>(i), versionbitscache);
if (state == THRESHOLD_LOCKED_IN || state == THRESHOLD_STARTED) {
- nVersion |= VersionBitsMask(params, (Consensus::DeploymentPos)i);
+ nVersion |= VersionBitsMask(params, static_cast<Consensus::DeploymentPos>(i));
}
}
@@ -2577,13 +2571,10 @@ bool CChainState::ActivateBestChain(CValidationState &state, const CChainParams&
if (GetMainSignals().CallbacksPending() > 10) {
// Block until the validation queue drains. This should largely
// never happen in normal operation, however may happen during
- // reindex, causing memory blowup if we run too far ahead.
+ // reindex, causing memory blowup if we run too far ahead.
SyncWithValidationInterfaceQueue();
}
- if (ShutdownRequested())
- break;
-
const CBlockIndex *pindexFork;
bool fInitialDownload;
{
@@ -2630,6 +2621,13 @@ bool CChainState::ActivateBestChain(CValidationState &state, const CChainParams&
}
if (nStopAtHeight && pindexNewTip && pindexNewTip->nHeight >= nStopAtHeight) StartShutdown();
+
+ // We check shutdown only after giving ActivateBestChainStep a chance to run once so that we
+ // never shutdown before connecting the genesis block during LoadChainTip(). Previously this
+ // caused an assert() failure during shutdown in such cases as the UTXO DB flushing checks
+ // that the best block hash is non-null.
+ if (ShutdownRequested())
+ break;
} while (pindexNewTip != pindexMostWork);
CheckBlockIndex(chainparams.GetConsensus());