Merge pull request duality-solutions#210 from duality-solutions/BitcoinDoSBug

SvenKercher · web-flow · commit 5422fa4d1868 · 2018-09-20T09:27:24.000+02:00
Fix crash bug with duplicate inputs within a transaction
diff --git a/src/validation.cpp b/src/validation.cpp
@@ -3297,7 +3297,7 @@ bool CheckBlock(const CBlock& block, CValidationState& state, bool fCheckPOW, bo
 
     // Check transactions
     BOOST_FOREACH(const CTransaction& tx, block.vtx) {
-        if (!CheckTransaction(tx, state, false))
+        if (!CheckTransaction(tx, state, true))
             return error("CheckBlock(): CheckTransaction of %s failed with %s",
                 tx.GetHash().ToString(),
                 FormatStateMessage(state));
