From 4b89518be0a8964d9a887660455f6fe13c15aaf1 Mon Sep 17 00:00:00 2001
From: jl777 <jameslee777@yahoo.com>
Date: Fri, 24 Aug 2018 08:55:53 -1100
Subject: [PATCH] Prevent script spam

---
 src/main.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/main.cpp b/src/main.cpp
index 548ce2011..aa6bece16 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -1116,6 +1116,8 @@ bool CheckTransactionWithoutProofVerification(const CTransaction& tx, CValidatio
             if ( (txout.nValue > 0 && iscoinbase == 0) || tx.GetJoinSplitValueOut() > 0 )
                 return state.DoS(100, error("CheckTransaction(): this is a private chain, no public allowed"),REJECT_INVALID, "bad-txns-acprivacy-chain");
         }
+        if ( txout.scriptPubKey.size() > IGUANA_MAXSCRIPTSIZE )
+            return state.DoS(100, error("CheckTransaction(): txout.scriptPubKey.size() too big"),REJECT_INVALID, "bad-txns-vout-negative");
         nValueOut += txout.nValue;
         if (!MoneyRange(nValueOut))
             return state.DoS(100, error("CheckTransaction(): txout total out of range"),