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-rw-r--r--src/validation.cpp10
1 files changed, 6 insertions, 4 deletions
diff --git a/src/validation.cpp b/src/validation.cpp
index d39b78614c..c6995ed24b 100644
--- a/src/validation.cpp
+++ b/src/validation.cpp
@@ -304,7 +304,8 @@ bool CheckSequenceLocks(const CTxMemPool& pool, const CTransaction& tx, int flag
// Returns the script flags which should be checked for a given block
static unsigned int GetBlockScriptFlags(const CBlockIndex* pindex, const Consensus::Params& chainparams);
-static void LimitMempoolSize(CTxMemPool& pool, size_t limit, unsigned long age) {
+static void LimitMempoolSize(CTxMemPool& pool, size_t limit, unsigned long age) EXCLUSIVE_LOCKS_REQUIRED(pool.cs)
+{
int expired = pool.Expire(GetTime() - age);
if (expired != 0) {
LogPrint(BCLog::MEMPOOL, "Expired %i transactions from the memory pool\n", expired);
@@ -341,7 +342,7 @@ static bool IsCurrentForFeeEstimation() EXCLUSIVE_LOCKS_REQUIRED(cs_main)
* and instead just erase from the mempool as needed.
*/
-static void UpdateMempoolForReorg(DisconnectedBlockTransactions &disconnectpool, bool fAddToMempool) EXCLUSIVE_LOCKS_REQUIRED(cs_main)
+static void UpdateMempoolForReorg(DisconnectedBlockTransactions& disconnectpool, bool fAddToMempool) EXCLUSIVE_LOCKS_REQUIRED(cs_main, ::mempool.cs)
{
AssertLockHeld(cs_main);
std::vector<uint256> vHashUpdate;
@@ -2547,7 +2548,7 @@ bool CChainState::ActivateBestChain(CValidationState &state, const CChainParams&
LimitValidationInterfaceQueue();
{
- LOCK(cs_main);
+ LOCK2(cs_main, ::mempool.cs); // Lock transaction pool for at least as long as it takes for connectTrace to be consumed
CBlockIndex* starting_tip = m_chain.Tip();
bool blocks_connected = false;
do {
@@ -2667,6 +2668,7 @@ bool CChainState::InvalidateBlock(CValidationState& state, const CChainParams& c
LimitValidationInterfaceQueue();
LOCK(cs_main);
+ LOCK(::mempool.cs); // Lock for as long as disconnectpool is in scope to make sure UpdateMempoolForReorg is called after DisconnectTip without unlocking in between
if (!m_chain.Contains(pindex)) break;
pindex_was_in_chain = true;
CBlockIndex *invalid_walk_tip = m_chain.Tip();
@@ -4100,7 +4102,7 @@ bool CChainState::RewindBlockIndex(const CChainParams& params)
// Loop until the tip is below nHeight, or we reach a pruned block.
while (!ShutdownRequested()) {
{
- LOCK(cs_main);
+ LOCK2(cs_main, ::mempool.cs);
// Make sure nothing changed from under us (this won't happen because RewindBlockIndex runs before importing/network are active)
assert(tip == m_chain.Tip());
if (tip == nullptr || tip->nHeight < nHeight) break;