diff options
Diffstat (limited to 'src/main.cpp')
| -rw-r--r-- | src/main.cpp | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/src/main.cpp b/src/main.cpp index 55206600e2..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; |