From db873ff9f52961526f07e4f78ca1743a4b624ba2 Mon Sep 17 00:00:00 2001
From: JoelKatz <DavidJoelSchwartz@GMail.com>
Date: Fri, 24 Aug 2012 09:32:58 -0700
Subject: [PATCH] Functions for owned nodes (nodes that have a single other
 node that owns them) and dual-owner nodes (nodes that have two other nodes
 that own them). Owned nodes would be things like nicknames. Dual-owner nodes
 would be things like ripple balances.

---
 src/SerializedLedger.cpp | 25 +++++++++++++++++++++++++
 src/SerializedLedger.h   |  5 +++++
 2 files changed, 30 insertions(+)

diff --git a/src/SerializedLedger.cpp b/src/SerializedLedger.cpp
index e79b19c1b7..5796952368 100644
--- a/src/SerializedLedger.cpp
+++ b/src/SerializedLedger.cpp
@@ -109,6 +109,31 @@ bool SerializedLedgerEntry::thread(const uint256& txID, uint32 ledgerSeq, uint25
 	return true;
 }
 
+bool SerializedLedgerEntry::hasOneOwner()
+{
+	return (mType != ltACCOUNT_ROOT) && (getIFieldIndex(sfAccount) != -1);
+}
+
+bool SerializedLedgerEntry::hasTwoOwners()
+{
+	return mType == ltRIPPLE_STATE;
+}
+
+NewcoinAddress SerializedLedgerEntry::getOwner()
+{
+	return getIValueFieldAccount(sfAccount);
+}
+
+NewcoinAddress SerializedLedgerEntry::getFirstOwner()
+{
+	return getIValueFieldAccount(sfLowID);
+}
+
+NewcoinAddress SerializedLedgerEntry::getSecondOwner()
+{
+	return getIValueFieldAccount(sfHighID);
+}
+
 std::vector<uint256> SerializedLedgerEntry::getOwners()
 {
 	std::vector<uint256> owners;
diff --git a/src/SerializedLedger.h b/src/SerializedLedger.h
index 5f66a765dc..21faba8c35 100644
--- a/src/SerializedLedger.h
+++ b/src/SerializedLedger.h
@@ -65,6 +65,11 @@ public:
 
 	bool isThreadedType();	// is this a ledger entry that can be threaded
 	bool isThreaded();		// is this ledger entry actually threaded
+	bool hasOneOwner();		// This node has one other node that owns it (like nickname)
+	bool hasTwoOwners();	// This node has two nodes that own it (like ripple balance)
+	NewcoinAddress getOwner();
+	NewcoinAddress getFirstOwner();
+	NewcoinAddress getSecondOwner();
 	uint256 getThreadedTransaction();
 	uint32 getThreadedLedger();
 	bool thread(const uint256& txID, uint32 ledgerSeq, uint256& prevTxID, uint32& prevLedgerID);