From 97d73de16898d4036c2253809f35ccc29135a758 Mon Sep 17 00:00:00 2001
From: Arthur Britto <ahbritto@gmail.com>
Date: Sat, 30 Mar 2013 13:46:34 -0700
Subject: [PATCH] Require path nodes for offers to specify a currency or issuer
 change.

---
 src/cpp/ripple/RippleCalc.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/cpp/ripple/RippleCalc.cpp b/src/cpp/ripple/RippleCalc.cpp
index a8fe832076..4cd0965c7e 100644
--- a/src/cpp/ripple/RippleCalc.cpp
+++ b/src/cpp/ripple/RippleCalc.cpp
@@ -160,6 +160,12 @@ TER PathState::pushNode(
 
 		terResult	= temBAD_PATH;
 	}
+	else if (!bAccount && !bCurrency && !bIssuer)
+	{
+		cLog(lsDEBUG) << "pushNode: offer must specify at least currency or issuer.";
+
+		terResult	= temBAD_PATH;
+	}
 	else if (bAccount)
 	{
 		// Account link