From b9cd39da5b7744f29c938ec53a99f7595e71c9ad Mon Sep 17 00:00:00 2001
From: CryptoManiac <balthazar@yandex.ru>
Date: Sat, 5 Sep 2015 16:42:24 +0300
Subject: [PATCH] ValueOut property.

---
 Novacoin/CTransaction.cs |   18 ++++++++++++++++++
 1 files changed, 18 insertions(+), 0 deletions(-)

diff --git a/Novacoin/CTransaction.cs b/Novacoin/CTransaction.cs
index fb865a4..8402b12 100644
--- a/Novacoin/CTransaction.cs
+++ b/Novacoin/CTransaction.cs
@@ -20,6 +20,7 @@ using System;
 using System.Text;
 using System.Collections.Generic;
 using System.IO;
+using System.Diagnostics.Contracts;
 
 namespace Novacoin
 {
@@ -404,6 +405,23 @@ namespace Novacoin
         }
 
         /// <summary>
+        /// Amount of novacoins spent by this transaction.
+        /// </summary>
+        public ulong ValueOut
+        {
+            get
+            {
+                ulong nValueOut = 0;
+                foreach (var txout in vout)
+                {
+                    nValueOut += txout.nValue;
+                    Contract.Assert(MoneyRange(txout.nValue) && MoneyRange(nValueOut));
+                }
+                return nValueOut;
+            }
+        }
+
+        /// <summary>
         /// A sequence of bytes, which corresponds to the current state of CTransaction.
         /// </summary>
         public static implicit operator byte[] (CTransaction tx)
-- 
1.7.1