From 0bc99d2e78f9073f4a76a536b4044f5ae4d2e88d Mon Sep 17 00:00:00 2001
From: nicksavers <nicksavers@gmail.com>
Date: Thu, 18 Sep 2014 10:25:44 +0200
Subject: [PATCH] Make INVALID result in program STOP

---
 ethereumj-core/src/main/java/org/ethereum/vm/OpCode.java | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/ethereumj-core/src/main/java/org/ethereum/vm/OpCode.java b/ethereumj-core/src/main/java/org/ethereum/vm/OpCode.java
index 26246e34..eec094c6 100644
--- a/ethereumj-core/src/main/java/org/ethereum/vm/OpCode.java
+++ b/ethereumj-core/src/main/java/org/ethereum/vm/OpCode.java
@@ -351,8 +351,7 @@ public enum OpCode {
 
     public static OpCode code(byte code) {
     	OpCode op = intToTypeMap.get(code);
-    	if (op == null)
-    		throw new RuntimeException("Illegal operation: " + code);
+    	if (op == null) op = STOP; // invalid operation
     	return op;
     }
 }