From 0183e4d1772e3d434cff55f91430c9ffb7ba53d4 Mon Sep 17 00:00:00 2001
From: JoelKatz <DavidJoelSchwartz@GMail.com>
Date: Tue, 2 Jul 2013 13:31:43 -0700
Subject: [PATCH] If a tree consists only of a matching leaf, don't include
 that leaf in the fetch pack.

---
 src/cpp/ripple/ripple_SHAMapSync.cpp | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/cpp/ripple/ripple_SHAMapSync.cpp b/src/cpp/ripple/ripple_SHAMapSync.cpp
index 52de73e43..2d41aa604 100644
--- a/src/cpp/ripple/ripple_SHAMapSync.cpp
+++ b/src/cpp/ripple/ripple_SHAMapSync.cpp
@@ -440,6 +440,10 @@ bool SHAMap::deepCompare (SHAMap& other)
 
 bool SHAMap::hasInnerNode (const SHAMapNode& nodeID, uint256 const& nodeHash)
 {
+    boost::unordered_map<SHAMapNode, SHAMapTreeNode::pointer>::iterator it = mTNByID.find (nodeID);
+    if (it != mTNByID.end())
+        return it->second->getNodeHash() == nodeHash;
+
     SHAMapTreeNode* node = root.get ();
 
     while (node->isInner () && (node->getDepth () < nodeID.getDepth ()))
@@ -474,7 +478,7 @@ bool SHAMap::hasLeafNode (uint256 const& tag, uint256 const& nodeHash)
         node = getNodePointer (node->getChildNodeID (branch), nextHash);
     }
 
-    return false;
+    return node->getNodeHash() == nodeHash;
 }
 
 static void addFPtoList (std::list<SHAMap::fetchPackEntry_t>& list, const uint256& hash, const Blob& blob)