Optimize vInOutPoints insertion a bit

8 years ago · e2b3fb349e
parent eecffe50ef
commit e2b3fb349e
1 changed files with 1 additions and 2 deletions
--- a/src/main.cpp
+++ b/src/main.cpp
@ -1133,9 +1133,8 @@ bool CheckTransaction(const CTransaction& tx, CValidationState &state, bool fChe
        set<COutPoint> vInOutPoints;
        for (const auto& txin : tx.vin)
        {
-            if (vInOutPoints.count(txin.prevout))
+            if (!vInOutPoints.insert(txin.prevout).second)
                return state.DoS(100, false, REJECT_INVALID, "bad-txns-inputs-duplicate");
-            vInOutPoints.insert(txin.prevout);
        }
    }