diff options
Diffstat (limited to 'src/validation.cpp')
| -rw-r--r-- | src/validation.cpp | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/src/validation.cpp b/src/validation.cpp index b5c19971b4..19363c0efb 100644 --- a/src/validation.cpp +++ b/src/validation.cpp @@ -690,7 +690,8 @@ bool MemPoolAccept::PreChecks(ATMPArgs& args, Workspace& ws) } } - // Bring the best block into scope + // This is const, but calls into the back end CoinsViews. The CCoinsViewDB at the bottom of the + // hierarchy brings the best block into scope. See CCoinsViewDB::GetBestBlock(). m_view.GetBestBlock(); // we have all inputs cached now, so switch back to dummy (to protect @@ -1099,9 +1100,9 @@ static MempoolAcceptResult AcceptToMemoryPoolWithTime(const CChainParams& chainp assert(std::addressof(::ChainstateActive()) == std::addressof(active_chainstate)); const MempoolAcceptResult result = MemPoolAccept(pool, active_chainstate).AcceptSingleTransaction(tx, args); if (result.m_result_type != MempoolAcceptResult::ResultType::VALID) { - // Remove coins that were not present in the coins cache before calling ATMPW; - // this is to prevent memory DoS in case we receive a large number of - // invalid transactions that attempt to overrun the in-memory coins cache + // Remove coins that were not present in the coins cache before calling + // AcceptSingleTransaction(); this is to prevent memory DoS in case we receive a large + // number of invalid transactions that attempt to overrun the in-memory coins cache // (`CCoinsViewCache::cacheCoins`). for (const COutPoint& hashTx : coins_to_uncache) |