From 36ea2069f42ce6eba31147f3a7b3c8231d6fe9d1 Mon Sep 17 00:00:00 2001
From: Faiz Khan <faizkhan00@gmail.com>
Date: Fri, 23 Jan 2015 20:33:16 -0600
Subject: [PATCH] Add fix for emptyTransaction test

---
 .../java/org/ethereum/core/TransactionExecutor.java    | 10 ++++++++++
 .../test/ethereum/jsontestsuite/GitHubStateTest.java   |  2 --
 2 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/ethereumj-core/src/main/java/org/ethereum/core/TransactionExecutor.java b/ethereumj-core/src/main/java/org/ethereum/core/TransactionExecutor.java
index 8afa81a4..e912f073 100644
--- a/ethereumj-core/src/main/java/org/ethereum/core/TransactionExecutor.java
+++ b/ethereumj-core/src/main/java/org/ethereum/core/TransactionExecutor.java
@@ -89,6 +89,16 @@ public class TransactionExecutor {
             return;
         }
 
+        //Insert gas cost protection
+        BigInteger gasLimit = new BigInteger(1, tx.getGasLimit());
+        if (gasLimit.compareTo(BigInteger.ZERO) == 0) {
+            logger.debug("No gas limit set on transaction: hash={}",
+                    Hex.toHexString(tx.getHash()));
+
+            receipt.setCumulativeGas(0);
+            this.receipt = receipt;
+            return;
+        }
 
         // FIND OUT THE TRANSACTION TYPE
         final byte[] receiverAddress;
diff --git a/ethereumj-core/src/test/java/test/ethereum/jsontestsuite/GitHubStateTest.java b/ethereumj-core/src/test/java/test/ethereum/jsontestsuite/GitHubStateTest.java
index 07e08a8d..adc61ef8 100644
--- a/ethereumj-core/src/test/java/test/ethereum/jsontestsuite/GitHubStateTest.java
+++ b/ethereumj-core/src/test/java/test/ethereum/jsontestsuite/GitHubStateTest.java
@@ -110,12 +110,10 @@ public class GitHubStateTest {
         GitHubJSONTestSuite.runGitHubJsonStateTest(json, excluded);
     }
 
-
     @Test // todo: fix: excluded test
     public void stTransactionTest() throws ParseException {
 
         Set<String> excluded = new HashSet<>();
-        excluded.add("EmptyTransaction");
         //todo:    it goes OOG, because no gasLimit is given. So it does not change the state.