Require strictly-standard encodings in mempool

src/main.cpp

@@ -768,7 +768,7 @@ bool CTxMemPool::accept(CValidationState &state, CTransaction &tx, bool fCheckIn
 
         // Check against previous transactions
         // This is done last to help prevent CPU exhaustion denial-of-service attacks.
-        if (!tx.CheckInputs(state, view, true, SCRIPT_VERIFY_P2SH))
+        if (!tx.CheckInputs(state, view, true, SCRIPT_VERIFY_P2SH | SCRIPT_VERIFY_STRICTENC))
         {
             return error("CTxMemPool::accept() : ConnectInputs failed %s", hash.ToString().c_str());
         }