From 79134e835e4980a22652e4848bb257ed8e1867fd Mon Sep 17 00:00:00 2001
From: JoelKatz <DavidJoelSchwartz@GMail.com>
Date: Sun, 26 May 2013 16:37:41 -0700
Subject: [PATCH] Make PreviousTxnID optional in all transctions for secure
 chaining.

---
 src/cpp/ripple/TransactionFormats.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/cpp/ripple/TransactionFormats.cpp b/src/cpp/ripple/TransactionFormats.cpp
index ef3b9c0c3a..ea92335fb6 100644
--- a/src/cpp/ripple/TransactionFormats.cpp
+++ b/src/cpp/ripple/TransactionFormats.cpp
@@ -9,6 +9,7 @@ std::map<std::string, TransactionFormat*> TransactionFormat::byName;
 		<< SOElement(sfSourceTag,			SOE_OPTIONAL)	\
 		<< SOElement(sfAccount,				SOE_REQUIRED)	\
 		<< SOElement(sfSequence,			SOE_REQUIRED)	\
+		<< SOElement(sfPreviousTxnID,		SOE_OPTIONAL)	\
 		<< SOElement(sfFee,					SOE_REQUIRED)	\
 		<< SOElement(sfOperationLimit,		SOE_OPTIONAL)   \
 		<< SOElement(sfSigningPubKey,		SOE_REQUIRED)	\