From debcea79f0b82efb735024ca6267bc4813b0adaf Mon Sep 17 00:00:00 2001
From: JoelKatz <DavidJoelSchwartz@GMail.com>
Date: Fri, 3 Aug 2012 03:46:31 -0700
Subject: [PATCH] Don't switch to our own previous ledger.

---
 src/NetworkOPs.cpp | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/src/NetworkOPs.cpp b/src/NetworkOPs.cpp
index 514bdceba0..8d0ffd9cec 100644
--- a/src/NetworkOPs.cpp
+++ b/src/NetworkOPs.cpp
@@ -415,6 +415,7 @@ bool NetworkOPs::checkLastClosedLedger(const std::vector<Peer::pointer>& peerLis
 
 	Ledger::pointer ourClosed = mLedgerMaster->getClosedLedger();
 	uint256 closedLedger = ourClosed->getHash();
+	uint256 prevClosedLedger = ourClosed->getParentHash();
 	ValidationCount& ourVC = ledgers[closedLedger];
 
 	if ((theConfig.LEDGER_CREATOR) && (mMode >= omTRACKING))
@@ -459,7 +460,14 @@ bool NetworkOPs::checkLastClosedLedger(const std::vector<Peer::pointer>& peerLis
 			switchLedgers = true;
 		}
 	}
-	networkClosed = closedLedger;
+
+	if (switchLedger && (closedLedger == prevClosedLedger))
+	{ // don't switch to our own previous ledger
+		NetworkClosed = ourClosed->getHash();
+		switchLedgers = false;
+	}
+	else
+		networkClosed = closedLedger;
 
 	if (!switchLedgers)
 	{