diff options
Diffstat (limited to 'src/validation.cpp')
| -rw-r--r-- | src/validation.cpp | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/src/validation.cpp b/src/validation.cpp index 03aaf68ef..f22ae7f9b 100644 --- a/src/validation.cpp +++ b/src/validation.cpp @@ -582,6 +582,12 @@ static bool AcceptToMemoryPoolWorker(const CChainParams& chainparams, CTxMemPool if (fRequireStandard && !IsStandardTx(tx, reason, witnessEnabled)) return state.DoS(0, false, REJECT_NONSTANDARD, reason); + // Do not work on transactions that are too small. + // A transaction with 1 segwit input and 1 P2WPHK output has non-witness size of 82 bytes. + // Transactions smaller than this are not relayed to reduce unnecessary malloc overhead. + if (::GetSerializeSize(tx, SER_NETWORK, PROTOCOL_VERSION | SERIALIZE_TRANSACTION_NO_WITNESS) < MIN_STANDARD_TX_NONWITNESS_SIZE) + return state.DoS(0, false, REJECT_NONSTANDARD, "tx-size-small"); + // Only accept nLockTime-using transactions that can be mined in the next // block; we don't want our mempool filled up with transactions that can't // be mined yet. @@ -2551,8 +2557,9 @@ bool CChainState::ActivateBestChainStep(CValidationState& state, const CChainPar if (!ConnectTip(state, chainparams, pindexConnect, pindexConnect == pindexMostWork ? pblock : std::shared_ptr<const CBlock>(), connectTrace, disconnectpool)) { if (state.IsInvalid()) { // The block violates a consensus rule. - if (!state.CorruptionPossible()) - InvalidChainFound(vpindexToConnect.back()); + if (!state.CorruptionPossible()) { + InvalidChainFound(vpindexToConnect.front()); + } state = CValidationState(); fInvalidFound = true; fContinue = false; |