From 8bcb9c00412172cd466083431eb93ae8e342df94 Mon Sep 17 00:00:00 2001
From: JoelKatz <DavidJoelSchwartz@GMail.com>
Date: Sat, 14 Jul 2012 19:16:58 -0700
Subject: [PATCH] Add get first/last/next SLE functions.

---
 src/Ledger.h       |  3 +++
 src/LedgerNode.cpp | 24 ++++++++++++++++++++++++
 2 files changed, 27 insertions(+)

diff --git a/src/Ledger.h b/src/Ledger.h
index 66f351c42f..0bf03f49b7 100644
--- a/src/Ledger.h
+++ b/src/Ledger.h
@@ -156,6 +156,9 @@ public:
 	static Ledger::pointer loadByHash(const uint256& ledgerHash);
 
 	// next/prev function
+	SLE::pointer getSLE(const uint256& uHash);
+	SLE::pointer getFirstSLE();
+	SLE::pointer getLastSLE();
 	SLE::pointer getNextSLE(const uint256& uHash);							// first node >hash
 	SLE::pointer getNextSLE(const uint256& uHash, const uint256& uEnd);		// first node >hash, <end
 	SLE::pointer getPrevSLE(const uint256& uHash);							// last node <hash
diff --git a/src/LedgerNode.cpp b/src/LedgerNode.cpp
index bf580452e3..727634081d 100644
--- a/src/LedgerNode.cpp
+++ b/src/LedgerNode.cpp
@@ -46,6 +46,30 @@ LedgerStateParms Ledger::writeBack(LedgerStateParms parms, SLE::pointer entry)
 	return lepOKAY;
 }
 
+SLE::pointer Ledger::getSLE(const uint256& uHash)
+{
+	SHAMapItem::pointer node = mAccountStateMap->peekItem();
+	if (!node)
+		return SLE::pointer();
+	return boost::make_shared<SLE>(node->peekSerializer(), node->getTag());
+}
+
+SLE::pointer Ledger::getFirstSLE()
+{
+	SHAMapItem::pointer node = mAccountStateMap->peekFirstItem();
+	if (!node)
+		return SLE::pointer();
+	return boost::make_shared<SLE>(node->peekSerializer(), node->getTag());
+}
+
+SLE::pointer Ledger::getLastSLE()
+{
+	SHAMapItem::pointer node = mAccountStateMap->peekLastItem();
+	if (!node)
+		return SLE::pointer();
+	return boost::make_shared<SLE>(node->peekSerializer(), node->getTag());
+}
+
 SLE::pointer Ledger::getNextSLE(const uint256& uHash)
 {
 	SHAMapItem::pointer node = mAccountStateMap->peekNextItem(uHash);