From 4bc9a9fdb02a0bde15296eb0e69da873f32b3511 Mon Sep 17 00:00:00 2001
From: JoelKatz <DavidJoelSchwartz@GMail.com>
Date: Wed, 20 Feb 2013 09:41:23 -0800
Subject: [PATCH] Allow -3 to select last fully-validated ledger.

---
 src/cpp/ripple/RPCHandler.cpp | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/src/cpp/ripple/RPCHandler.cpp b/src/cpp/ripple/RPCHandler.cpp
index ff105ea84..038de7c67 100644
--- a/src/cpp/ripple/RPCHandler.cpp
+++ b/src/cpp/ripple/RPCHandler.cpp
@@ -2144,13 +2144,20 @@ Json::Value RPCHandler::lookupLedger(Json::Value jvRequest, Ledger::pointer& lpL
 		lpLedger		= mNetOps->getCurrentLedger();
 		iLedgerIndex	= lpLedger->getLedgerSeq();
 	}
-	else if (iLedgerIndex <= 0)
+	if (-3 == iLedgerIndex)
+	{ // Last fully-validated ledger
+		lpLedger		= mNetOps->getValidatedLedger();
+		iLedgerIndex	= lpLedger->getLedgerSeq();
+	}
+
+	if (iLedgerIndex <= 0)
 	{
 		jvResult["error"]	= "ledgerNotFound";
 
 		return jvResult;
 	}
-	else if (iLedgerIndex)
+
+	if (!lpLedger)
 	{
 		lpLedger		= mNetOps->getLedgerBySeq(iLedgerIndex);