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Discard txn cache entries that were loaded for removed mempool txn

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This commit is contained in:
Matt Corallo 2015-10-22 11:52:55 -07:00
parent b2e74bd292
commit 677aa3d88c
1 changed files with 15 additions and 8 deletions
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23
src/main.cpp
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@ -789,6 +789,17 @@ bool CheckTransaction(const CTransaction& tx, CValidationState &state)
return true; return true;
} }
void LimitMempoolSize(CTxMemPool& pool, size_t limit, unsigned long age) {
int expired = pool.Expire(GetTime() - age);
if (expired != 0)
LogPrint("mempool", "Expired %i transactions from the memory pool\n", expired);
std::vector<uint256> vNoSpendsRemaining;
pool.TrimToSize(limit, &vNoSpendsRemaining);
BOOST_FOREACH(const uint256& removed, vNoSpendsRemaining)
pcoinsTip->Uncache(removed);
}
CAmount GetMinRelayFee(const CTransaction& tx, const CTxMemPool& pool, unsigned int nBytes, bool fAllowFree) CAmount GetMinRelayFee(const CTransaction& tx, const CTxMemPool& pool, unsigned int nBytes, bool fAllowFree)
{ {
uint256 hash = tx.GetHash(); uint256 hash = tx.GetHash();
@ -1210,12 +1221,8 @@ bool AcceptToMemoryPool(CTxMemPool& pool, CValidationState &state, const CTransa
// trim mempool and check if tx was trimmed // trim mempool and check if tx was trimmed
if (!fOverrideMempoolLimit) { if (!fOverrideMempoolLimit) {
int expired = pool.Expire(GetTime() - GetArg("-mempoolexpiry", DEFAULT_MEMPOOL_EXPIRY) * 60 * 60); LimitMempoolSize(pool, GetArg("-maxmempool", DEFAULT_MAX_MEMPOOL_SIZE) * 1000000, GetArg("-mempoolexpiry", DEFAULT_MEMPOOL_EXPIRY) * 60 * 60);
if (expired != 0) if (!pool.exists(hash))
LogPrint("mempool", "Expired %i transactions from the memory pool\n", expired);
pool.TrimToSize(GetArg("-maxmempool", DEFAULT_MAX_MEMPOOL_SIZE) * 1000000);
if (!pool.exists(tx.GetHash()))
return state.DoS(0, false, REJECT_INSUFFICIENTFEE, "mempool full"); return state.DoS(0, false, REJECT_INSUFFICIENTFEE, "mempool full");
} }
} }
@ -2571,7 +2578,7 @@ static bool ActivateBestChainStep(CValidationState& state, const CChainParams& c
if (fBlocksDisconnected) { if (fBlocksDisconnected) {
mempool.removeForReorg(pcoinsTip, chainActive.Tip()->nHeight + 1, STANDARD_LOCKTIME_VERIFY_FLAGS); mempool.removeForReorg(pcoinsTip, chainActive.Tip()->nHeight + 1, STANDARD_LOCKTIME_VERIFY_FLAGS);
mempool.TrimToSize(GetArg("-maxmempool", DEFAULT_MAX_MEMPOOL_SIZE) * 1000000); LimitMempoolSize(mempool, GetArg("-maxmempool", DEFAULT_MAX_MEMPOOL_SIZE) * 1000000, GetArg("-mempoolexpiry", DEFAULT_MEMPOOL_EXPIRY) * 60 * 60);
} }
mempool.check(pcoinsTip); mempool.check(pcoinsTip);
@ -2686,7 +2693,7 @@ bool InvalidateBlock(CValidationState& state, const Consensus::Params& consensus
} }
} }
mempool.TrimToSize(GetArg("-maxmempool", DEFAULT_MAX_MEMPOOL_SIZE) * 1000000); LimitMempoolSize(mempool, GetArg("-maxmempool", DEFAULT_MAX_MEMPOOL_SIZE) * 1000000, GetArg("-mempoolexpiry", DEFAULT_MEMPOOL_EXPIRY) * 60 * 60);
// The resulting new best tip may not be in setBlockIndexCandidates anymore, so // The resulting new best tip may not be in setBlockIndexCandidates anymore, so
// add it again. // add it again.