From 416427bdf934960ae7e22ba8128f53b60e7b7f5f Mon Sep 17 00:00:00 2001
From: Arthur Britto <ahbritto@gmail.com>
Date: Tue, 16 Oct 2012 15:47:55 -0700
Subject: [PATCH] Really disallow negative amounts for CreditSet.

---
 src/TransactionAction.cpp | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/TransactionAction.cpp b/src/TransactionAction.cpp
index e0c61014e..81b9fe85d 100644
--- a/src/TransactionAction.cpp
+++ b/src/TransactionAction.cpp
@@ -253,7 +253,13 @@ TER TransactionEngine::doCreditSet(const SerializedTransaction& txn)
 
 	// Check if destination makes sense.
 
-	if (!uDstAccountID)
+	if (saLimitAmount.isNegative())
+	{
+		Log(lsINFO) << "doCreditSet: Malformed transaction: Negatived credit limit.";
+
+		return temBAD_AMOUNT;
+	}
+	else if (!uDstAccountID)
 	{
 		Log(lsINFO) << "doCreditSet: Malformed transaction: Destination account not specifed.";