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-rw-r--r--src/main.cpp17
1 files changed, 13 insertions, 4 deletions
diff --git a/src/main.cpp b/src/main.cpp
index ba521b6b19..e135e93adb 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -956,9 +956,18 @@ bool AcceptToMemoryPool(CTxMemPool& pool, CValidationState &state, const CTransa
if (Params().RequireStandard() && !AreInputsStandard(tx, view))
return error("AcceptToMemoryPool: : nonstandard transaction input");
- // Note: if you modify this code to accept non-standard transactions, then
- // you should add code here to check that the transaction does a
- // reasonable number of ECDSA signature verifications.
+ // Check that the transaction doesn't have an excessive number of
+ // sigops, making it impossible to mine. Since the coinbase transaction
+ // itself can contain sigops MAX_TX_SIGOPS is less than
+ // MAX_BLOCK_SIGOPS; we still consider this an invalid rather than
+ // merely non-standard transaction.
+ unsigned int nSigOps = GetLegacySigOpCount(tx);
+ nSigOps += GetP2SHSigOpCount(tx, view);
+ if (nSigOps > MAX_TX_SIGOPS)
+ return state.DoS(0,
+ error("AcceptToMemoryPool : too many sigops %s, %d > %d",
+ hash.ToString(), nSigOps, MAX_TX_SIGOPS),
+ REJECT_NONSTANDARD, "bad-txns-too-many-sigops");
int64_t nValueOut = tx.GetValueOut();
int64_t nFees = nValueIn-nValueOut;
@@ -3052,7 +3061,7 @@ bool CVerifyDB::VerifyDB(int nCheckLevel, int nCheckDepth)
}
}
// check level 3: check for inconsistencies during memory-only disconnect of tip blocks
- if (nCheckLevel >= 3 && pindex == pindexState && (coins.GetCacheSize() + pcoinsTip->GetCacheSize()) <= 2*nCoinCacheSize + 32000) {
+ if (nCheckLevel >= 3 && pindex == pindexState && (coins.GetCacheSize() + pcoinsTip->GetCacheSize()) <= nCoinCacheSize) {
bool fClean = true;
if (!DisconnectBlock(block, state, pindex, coins, &fClean))
return error("VerifyDB() : *** irrecoverable inconsistency in block data at %d, hash=%s", pindex->nHeight, pindex->GetBlockHash().ToString());