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Only call TrimToSize once per reorg/blocks disconnect

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This commit is contained in:
Matt Corallo
2015-10-02 14:20:38 -07:00
parent 794a8cec5d
commit d355cf4420
5 changed files with 22 additions and 13 deletions
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27
src/main.cpp
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@@ -776,7 +776,7 @@ static std::string FormatStateMessage(const CValidationState &state)
}
bool AcceptToMemoryPool(CTxMemPool& pool, CValidationState &state, const CTransaction &tx, bool fLimitFree,
bool* pfMissingInputs, bool fRejectAbsurdFee)
bool* pfMissingInputs, bool fOverrideMempoolLimit, bool fRejectAbsurdFee)
{
AssertLockHeld(cs_main);
if (pfMissingInputs)
@@ -956,13 +956,15 @@ bool AcceptToMemoryPool(CTxMemPool& pool, CValidationState &state, const CTransa
pool.addUnchecked(hash, entry, setAncestors, !IsInitialBlockDownload());
// trim mempool and check if tx was trimmed
int expired = pool.Expire(GetTime() - GetArg("-mempoolexpiry", DEFAULT_MEMPOOL_EXPIRY) * 60 * 60);
if (expired != 0)
LogPrint("mempool", "Expired %i transactions from the memory pool\n", expired);
if (!fOverrideMempoolLimit) {
int expired = pool.Expire(GetTime() - GetArg("-mempoolexpiry", DEFAULT_MEMPOOL_EXPIRY) * 60 * 60);
if (expired != 0)
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");
pool.TrimToSize(GetArg("-maxmempool", DEFAULT_MAX_MEMPOOL_SIZE) * 1000000);
if (!pool.exists(tx.GetHash()))
return state.DoS(0, false, REJECT_INSUFFICIENTFEE, "mempool full");
}
}
SyncWithWallets(tx, NULL);
@@ -2029,7 +2031,7 @@ void static UpdateTip(CBlockIndex *pindexNew) {
}
}
/** Disconnect chainActive's tip. */
/** Disconnect chainActive's tip. You want to manually re-limit mempool size after this */
bool static DisconnectTip(CValidationState &state) {
CBlockIndex *pindexDelete = chainActive.Tip();
assert(pindexDelete);
@@ -2056,7 +2058,7 @@ bool static DisconnectTip(CValidationState &state) {
// ignore validation errors in resurrected transactions
list<CTransaction> removed;
CValidationState stateDummy;
if (tx.IsCoinBase() || !AcceptToMemoryPool(mempool, stateDummy, tx, false, NULL)) {
if (tx.IsCoinBase() || !AcceptToMemoryPool(mempool, stateDummy, tx, false, NULL, true)) {
mempool.remove(tx, removed, true);
} else if (mempool.exists(tx.GetHash())) {
vHashUpdate.push_back(tx.GetHash());
@@ -2229,9 +2231,11 @@ static bool ActivateBestChainStep(CValidationState &state, CBlockIndex *pindexMo
const CBlockIndex *pindexFork = chainActive.FindFork(pindexMostWork);
// Disconnect active blocks which are no longer in the best chain.
bool fBlocksDisconnected = false;
while (chainActive.Tip() && chainActive.Tip() != pindexFork) {
if (!DisconnectTip(state))
return false;
fBlocksDisconnected = true;
}
// Build list of new blocks to connect.
@@ -2277,6 +2281,9 @@ static bool ActivateBestChainStep(CValidationState &state, CBlockIndex *pindexMo
}
}
if (fBlocksDisconnected)
mempool.TrimToSize(GetArg("-maxmempool", DEFAULT_MAX_MEMPOOL_SIZE) * 1000000);
// Callbacks/notifications for a new best chain.
if (fInvalidFound)
CheckForkWarningConditionsOnNewFork(vpindexToConnect.back());
@@ -2363,6 +2370,8 @@ bool InvalidateBlock(CValidationState& state, CBlockIndex *pindex) {
}
}
mempool.TrimToSize(GetArg("-maxmempool", DEFAULT_MAX_MEMPOOL_SIZE) * 1000000);
// The resulting new best tip may not be in setBlockIndexCandidates anymore, so
// add it again.
BlockMap::iterator it = mapBlockIndex.begin();