Merge remote-tracking branch 'os/master'

2 files changed, 862 insertions, 0 deletions

diff --git a/OpenSim/Region/OptionalModules/World/MoneyModule/Resources/MoneyModulePlugin.addin.xml b/OpenSim/Region/OptionalModules/World/MoneyModule/Resources/MoneyModulePlugin.addin.xml
new file mode 100644
index 0000000..a25f297
--- /dev/null
+++ b/OpenSim/Region/OptionalModules/World/MoneyModule/Resources/MoneyModulePlugin.addin.xml
@@ -0,0 +1,8 @@
+<Addin id="OpenSim.Region.ReplaceableModules.MoneyModule" version="0.2">
+    <Runtime>
+        <Import assembly="OpenSim.Region.ReplaceableModules.MoneyModule.dll"/>
+    </Runtime>
+    <Dependencies>
+        <Addin id="OpenSim" version="0.5" />
+    </Dependencies>
+</Addin>
\ No newline at end of file
diff --git a/OpenSim/Region/OptionalModules/World/MoneyModule/SampleMoneyModule.cs b/OpenSim/Region/OptionalModules/World/MoneyModule/SampleMoneyModule.cs
new file mode 100644
index 0000000..4cd5676
--- /dev/null
+++ b/OpenSim/Region/OptionalModules/World/MoneyModule/SampleMoneyModule.cs
@@ -0,0 +1,854 @@
+/*
+ * Copyright (c) Contributors, http://opensimulator.org/
+ * See CONTRIBUTORS.TXT for a full list of copyright holders.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in the
+ *       documentation and/or other materials provided with the distribution.
+ *     * Neither the name of the OpenSimulator Project nor the
+ *       names of its contributors may be used to endorse or promote products
+ *       derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using System.Net;
+using System.Reflection;
+using log4net;
+using Nini.Config;
+using Nwc.XmlRpc;
+using Mono.Addins;
+using OpenMetaverse;
+using OpenSim.Framework;
+using OpenSim.Framework.Servers;
+using OpenSim.Framework.Servers.HttpServer;
+using OpenSim.Region.Framework.Interfaces;
+using OpenSim.Region.Framework.Scenes;
+using OpenSim.Services.Interfaces;
+
+namespace OpenSim.Region.OptionalModules.World.MoneyModule
+{
+    /// <summary>
+    /// This is only the functionality required to make the functionality associated with money work
+    /// (such as land transfers).  There is no money code here!  Use FORGE as an example for money code.
+    /// Demo Economy/Money Module.  This is a purposely crippled module!
+    ///  // To land transfer you need to add:
+    /// -helperuri http://serveraddress:port/
+    /// to the command line parameters you use to start up your client
+    /// This commonly looks like -helperuri http://127.0.0.1:9000/
+    ///
+    /// </summary>
+
+    [Extension(Path = "/OpenSim/RegionModules", NodeName = "RegionModule", Id = "SampleMoneyModule")]
+    public class SampleMoneyModule : IMoneyModule, ISharedRegionModule
+    {
+        private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
+
+        /// <summary>
+        /// Where Stipends come from and Fees go to.
+        /// </summary>
+        // private UUID EconomyBaseAccount = UUID.Zero;
+
+        private float EnergyEfficiency = 0f;
+        // private ObjectPaid handerOnObjectPaid;
+        private bool m_enabled = true;
+        private bool m_sellEnabled = false;
+
+        private IConfigSource m_gConfig;
+
+        /// <summary>
+        /// Region UUIDS indexed by AgentID
+        /// </summary>
+
+        /// <summary>
+        /// Scenes by Region Handle
+        /// </summary>
+        private Dictionary<ulong, Scene> m_scenel = new Dictionary<ulong, Scene>();
+
+        // private int m_stipend = 1000;
+
+        private int ObjectCount = 0;
+        private int PriceEnergyUnit = 0;
+        private int PriceGroupCreate = 0;
+        private int PriceObjectClaim = 0;
+        private float PriceObjectRent = 0f;
+        private float PriceObjectScaleFactor = 0f;
+        private int PriceParcelClaim = 0;
+        private float PriceParcelClaimFactor = 0f;
+        private int PriceParcelRent = 0;
+        private int PricePublicObjectDecay = 0;
+        private int PricePublicObjectDelete = 0;
+        private int PriceRentLight = 0;
+        private int PriceUpload = 0;
+        private int TeleportMinPrice = 0;
+
+        private float TeleportPriceExponent = 0f;
+
+
+        #region IMoneyModule Members
+
+#pragma warning disable 0067
+        public event ObjectPaid OnObjectPaid;
+#pragma warning restore 0067
+
+        public int UploadCharge
+        {
+            get { return 0; }
+        }
+
+        public int GroupCreationCharge
+        {
+            get { return 0; }
+        }
+
+        /// <summary>
+        /// Called on startup so the module can be configured.
+        /// </summary>
+        /// <param name="config">Configuration source.</param>
+        public void Initialise(IConfigSource config)
+        {
+            m_gConfig = config;
+
+            IConfig startupConfig = m_gConfig.Configs["Startup"];
+            IConfig economyConfig = m_gConfig.Configs["Economy"];
+
+
+            ReadConfigAndPopulate(startupConfig, "Startup");
+            ReadConfigAndPopulate(economyConfig, "Economy");
+        }
+
+        public void AddRegion(Scene scene)
+        {
+            if (m_enabled)
+            {
+                scene.RegisterModuleInterface<IMoneyModule>(this);
+                IHttpServer httpServer = MainServer.Instance;
+
+                lock (m_scenel)
+                {
+                    if (m_scenel.Count == 0)
+                    {
+                        // XMLRPCHandler = scene;
+
+                        // To use the following you need to add:
+                        // -helperuri <ADDRESS TO HERE OR grid MONEY SERVER>
+                        // to the command line parameters you use to start up your client
+                        // This commonly looks like -helperuri http://127.0.0.1:9000/
+
+                       
+                        // Local Server..  enables functionality only.
+                        httpServer.AddXmlRPCHandler("getCurrencyQuote", quote_func);
+                        httpServer.AddXmlRPCHandler("buyCurrency", buy_func);
+                        httpServer.AddXmlRPCHandler("preflightBuyLandPrep", preflightBuyLandPrep_func);
+                        httpServer.AddXmlRPCHandler("buyLandPrep", landBuy_func);
+                       
+                    }
+
+                    if (m_scenel.ContainsKey(scene.RegionInfo.RegionHandle))
+                    {
+                        m_scenel[scene.RegionInfo.RegionHandle] = scene;
+                    }
+                    else
+                    {
+                        m_scenel.Add(scene.RegionInfo.RegionHandle, scene);
+                    }
+                }
+
+                scene.EventManager.OnNewClient += OnNewClient;
+                scene.EventManager.OnMoneyTransfer += MoneyTransferAction;
+                scene.EventManager.OnClientClosed += ClientClosed;
+                scene.EventManager.OnAvatarEnteringNewParcel += AvatarEnteringParcel;
+                scene.EventManager.OnMakeChildAgent += MakeChildAgent;
+                scene.EventManager.OnClientClosed += ClientLoggedOut;
+                scene.EventManager.OnValidateLandBuy += ValidateLandBuy;
+                scene.EventManager.OnLandBuy += processLandBuy;
+            }
+        }
+
+        public void RemoveRegion(Scene scene)
+        {
+        }
+
+        public void RegionLoaded(Scene scene)
+        {
+        }
+
+
+        // Please do not refactor these to be just one method
+        // Existing implementations need the distinction
+        //
+        public void ApplyCharge(UUID agentID, int amount, MoneyTransactionType type, string extraData)
+        {
+        }
+
+        public void ApplyCharge(UUID agentID, int amount, MoneyTransactionType type)
+        {
+        }
+
+        public void ApplyUploadCharge(UUID agentID, int amount, string text)
+        {
+        }
+
+        public bool ObjectGiveMoney(UUID objectID, UUID fromID, UUID toID, int amount)
+        {
+            string description = String.Format("Object {0} pays {1}", resolveObjectName(objectID), resolveAgentName(toID));
+
+            bool give_result = doMoneyTransfer(fromID, toID, amount, 2, description);
+
+            
+            BalanceUpdate(fromID, toID, give_result, description);
+
+            return give_result;
+        }
+
+        public void PostInitialise()
+        {
+        }
+
+        public void Close()
+        {
+        }
+
+        public Type ReplaceableInterface
+        {
+            get { return typeof(IMoneyModule); }
+        }
+
+        public string Name
+        {
+            get { return "BetaGridLikeMoneyModule"; }
+        }
+
+        #endregion
+
+        /// <summary>
+        /// Parse Configuration
+        /// </summary>
+        /// <param name="scene"></param>
+        /// <param name="startupConfig"></param>
+        /// <param name="config"></param>
+        private void ReadConfigAndPopulate(IConfig startupConfig, string config)
+        {
+            if (config == "Startup" && startupConfig != null)
+            {
+                m_enabled = (startupConfig.GetString("economymodule", "BetaGridLikeMoneyModule") == "BetaGridLikeMoneyModule");
+            }
+
+            if (config == "Economy" && startupConfig != null)
+            {
+                PriceEnergyUnit = startupConfig.GetInt("PriceEnergyUnit", 100);
+                PriceObjectClaim = startupConfig.GetInt("PriceObjectClaim", 10);
+                PricePublicObjectDecay = startupConfig.GetInt("PricePublicObjectDecay", 4);
+                PricePublicObjectDelete = startupConfig.GetInt("PricePublicObjectDelete", 4);
+                PriceParcelClaim = startupConfig.GetInt("PriceParcelClaim", 1);
+                PriceParcelClaimFactor = startupConfig.GetFloat("PriceParcelClaimFactor", 1f);
+                PriceUpload = startupConfig.GetInt("PriceUpload", 0);
+                PriceRentLight = startupConfig.GetInt("PriceRentLight", 5);
+                TeleportMinPrice = startupConfig.GetInt("TeleportMinPrice", 2);
+                TeleportPriceExponent = startupConfig.GetFloat("TeleportPriceExponent", 2f);
+                EnergyEfficiency = startupConfig.GetFloat("EnergyEfficiency", 1);
+                PriceObjectRent = startupConfig.GetFloat("PriceObjectRent", 1);
+                PriceObjectScaleFactor = startupConfig.GetFloat("PriceObjectScaleFactor", 10);
+                PriceParcelRent = startupConfig.GetInt("PriceParcelRent", 1);
+                PriceGroupCreate = startupConfig.GetInt("PriceGroupCreate", -1);
+                m_sellEnabled = startupConfig.GetBoolean("SellEnabled", false);
+            }
+        }
+
+        private void GetClientFunds(IClientAPI client)
+        {
+            CheckExistAndRefreshFunds(client.AgentId);
+        }
+
+        /// <summary>
+        /// New Client Event Handler
+        /// </summary>
+        /// <param name="client"></param>
+        private void OnNewClient(IClientAPI client)
+        {
+            GetClientFunds(client);
+
+            // Subscribe to Money messages
+            client.OnEconomyDataRequest += EconomyDataRequestHandler;
+            client.OnMoneyBalanceRequest += SendMoneyBalance;
+            client.OnRequestPayPrice += requestPayPrice;
+            client.OnObjectBuy += ObjectBuy;
+            client.OnLogout += ClientClosed;
+        }
+
+        /// <summary>
+        /// Transfer money
+        /// </summary>
+        /// <param name="Sender"></param>
+        /// <param name="Receiver"></param>
+        /// <param name="amount"></param>
+        /// <returns></returns>
+        private bool doMoneyTransfer(UUID Sender, UUID Receiver, int amount, int transactiontype, string description)
+        {
+            bool result = true;
+            
+            return result;
+        }
+
+
+        /// <summary>
+        /// Sends the the stored money balance to the client
+        /// </summary>
+        /// <param name="client"></param>
+        /// <param name="agentID"></param>
+        /// <param name="SessionID"></param>
+        /// <param name="TransactionID"></param>
+        public void SendMoneyBalance(IClientAPI client, UUID agentID, UUID SessionID, UUID TransactionID)
+        {
+            if (client.AgentId == agentID && client.SessionId == SessionID)
+            {
+                int returnfunds = 0;
+
+                try
+                {
+                    returnfunds = GetFundsForAgentID(agentID);
+                }
+                catch (Exception e)
+                {
+                    client.SendAlertMessage(e.Message + " ");
+                }
+
+                client.SendMoneyBalance(TransactionID, true, new byte[0], returnfunds, 0, UUID.Zero, false, UUID.Zero, false, 0, String.Empty);
+            }
+            else
+            {
+                client.SendAlertMessage("Unable to send your money balance to you!");
+            }
+        }
+
+        private SceneObjectPart findPrim(UUID objectID)
+        {
+            lock (m_scenel)
+            {
+                foreach (Scene s in m_scenel.Values)
+                {
+                    SceneObjectPart part = s.GetSceneObjectPart(objectID);
+                    if (part != null)
+                    {
+                        return part;
+                    }
+                }
+            }
+            return null;
+        }
+
+        private string resolveObjectName(UUID objectID)
+        {
+            SceneObjectPart part = findPrim(objectID);
+            if (part != null)
+            {
+                return part.Name;
+            }
+            return String.Empty;
+        }
+
+        private string resolveAgentName(UUID agentID)
+        {
+            // try avatar username surname
+            Scene scene = GetRandomScene();
+            UserAccount account = scene.UserAccountService.GetUserAccount(scene.RegionInfo.ScopeID, agentID);
+            if (account != null)
+            {
+                string avatarname = account.FirstName + " " + account.LastName;
+                return avatarname;
+            }
+            else
+            {
+                m_log.ErrorFormat(
+                    "[MONEY]: Could not resolve user {0}", 
+                    agentID);
+            }
+            
+            return String.Empty;
+        }
+
+        private void BalanceUpdate(UUID senderID, UUID receiverID, bool transactionresult, string description)
+        {
+            IClientAPI sender = LocateClientObject(senderID);
+            IClientAPI receiver = LocateClientObject(receiverID);
+
+            if (senderID != receiverID)
+            {
+                if (sender != null)
+                {
+                    sender.SendMoneyBalance(UUID.Random(), transactionresult, Utils.StringToBytes(description), GetFundsForAgentID(senderID), 0, UUID.Zero, false, UUID.Zero, false, 0, String.Empty);
+                }
+
+                if (receiver != null)
+                {
+                    receiver.SendMoneyBalance(UUID.Random(), transactionresult, Utils.StringToBytes(description), GetFundsForAgentID(receiverID), 0, UUID.Zero, false, UUID.Zero, false, 0, String.Empty);
+                }
+            }
+        }
+
+        /// <summary>
+        /// XMLRPC handler to send alert message and sound to client
+        /// </summary>
+        public XmlRpcResponse UserAlert(XmlRpcRequest request, IPEndPoint remoteClient)
+        {
+            XmlRpcResponse ret = new XmlRpcResponse();
+            Hashtable retparam = new Hashtable();
+            Hashtable requestData = (Hashtable) request.Params[0];
+
+            UUID agentId;
+            UUID soundId;
+            UUID regionId;
+
+            UUID.TryParse((string) requestData["agentId"], out agentId);
+            UUID.TryParse((string) requestData["soundId"], out soundId);
+            UUID.TryParse((string) requestData["regionId"], out regionId);
+            string text = (string) requestData["text"];
+            string secret = (string) requestData["secret"];
+
+            Scene userScene = GetSceneByUUID(regionId);
+            if (userScene != null)
+            {
+                if (userScene.RegionInfo.regionSecret == secret)
+                {
+
+                    IClientAPI client = LocateClientObject(agentId);
+                       if (client != null)
+                       {
+
+                           if (soundId != UUID.Zero)
+                               client.SendPlayAttachedSound(soundId, UUID.Zero, UUID.Zero, 1.0f, 0);
+
+                           client.SendBlueBoxMessage(UUID.Zero, "", text);
+
+                           retparam.Add("success", true);
+                       }
+                    else
+                    {
+                        retparam.Add("success", false);
+                    }
+                }
+                else
+                {
+                    retparam.Add("success", false);
+                }
+            }
+
+            ret.Value = retparam;
+            return ret;
+        }
+
+        # region Standalone box enablers only
+
+        public XmlRpcResponse quote_func(XmlRpcRequest request, IPEndPoint remoteClient)
+        {
+            // Hashtable requestData = (Hashtable) request.Params[0];
+            // UUID agentId = UUID.Zero;
+            int amount = 0;
+            Hashtable quoteResponse = new Hashtable();
+            XmlRpcResponse returnval = new XmlRpcResponse();
+
+            
+            Hashtable currencyResponse = new Hashtable();
+            currencyResponse.Add("estimatedCost", 0);
+            currencyResponse.Add("currencyBuy", amount);
+
+            quoteResponse.Add("success", true);
+            quoteResponse.Add("currency", currencyResponse);
+            quoteResponse.Add("confirm", "asdfad9fj39ma9fj");
+
+            returnval.Value = quoteResponse;
+            return returnval;
+            
+
+
+        }
+
+        public XmlRpcResponse buy_func(XmlRpcRequest request, IPEndPoint remoteClient)
+        {
+            // Hashtable requestData = (Hashtable) request.Params[0];
+            // UUID agentId = UUID.Zero;
+            // int amount = 0;
+           
+            XmlRpcResponse returnval = new XmlRpcResponse();
+            Hashtable returnresp = new Hashtable();
+            returnresp.Add("success", true);
+            returnval.Value = returnresp;
+            return returnval;
+        }
+
+        public XmlRpcResponse preflightBuyLandPrep_func(XmlRpcRequest request, IPEndPoint remoteClient)
+        {
+            XmlRpcResponse ret = new XmlRpcResponse();
+            Hashtable retparam = new Hashtable();
+            Hashtable membershiplevels = new Hashtable();
+            ArrayList levels = new ArrayList();
+            Hashtable level = new Hashtable();
+            level.Add("id", "00000000-0000-0000-0000-000000000000");
+            level.Add("description", "some level");
+            levels.Add(level);
+            //membershiplevels.Add("levels",levels);
+
+            Hashtable landuse = new Hashtable();
+            landuse.Add("upgrade", false);
+            landuse.Add("action", "http://invaliddomaininvalid.com/");
+
+            Hashtable currency = new Hashtable();
+            currency.Add("estimatedCost", 0);
+
+            Hashtable membership = new Hashtable();
+            membershiplevels.Add("upgrade", false);
+            membershiplevels.Add("action", "http://invaliddomaininvalid.com/");
+            membershiplevels.Add("levels", membershiplevels);
+
+            retparam.Add("success", true);
+            retparam.Add("currency", currency);
+            retparam.Add("membership", membership);
+            retparam.Add("landuse", landuse);
+            retparam.Add("confirm", "asdfajsdkfjasdkfjalsdfjasdf");
+
+            ret.Value = retparam;
+
+            return ret;
+        }
+
+        public XmlRpcResponse landBuy_func(XmlRpcRequest request, IPEndPoint remoteClient)
+        {
+            XmlRpcResponse ret = new XmlRpcResponse();
+            Hashtable retparam = new Hashtable();
+            // Hashtable requestData = (Hashtable) request.Params[0];
+
+            // UUID agentId = UUID.Zero;
+            // int amount = 0;
+           
+            retparam.Add("success", true);
+            ret.Value = retparam;
+
+            return ret;
+        }
+
+        #endregion
+
+        #region local Fund Management
+
+        /// <summary>
+        /// Ensures that the agent accounting data is set up in this instance.
+        /// </summary>
+        /// <param name="agentID"></param>
+        private void CheckExistAndRefreshFunds(UUID agentID)
+        {
+            
+        }
+
+        /// <summary>
+        /// Gets the amount of Funds for an agent
+        /// </summary>
+        /// <param name="AgentID"></param>
+        /// <returns></returns>
+        private int GetFundsForAgentID(UUID AgentID)
+        {
+            int returnfunds = 0;
+            
+            return returnfunds;
+        }
+
+        // private void SetLocalFundsForAgentID(UUID AgentID, int amount)
+        // {
+            
+        // }
+
+        #endregion
+
+        #region Utility Helpers
+
+        /// <summary>
+        /// Locates a IClientAPI for the client specified
+        /// </summary>
+        /// <param name="AgentID"></param>
+        /// <returns></returns>
+        private IClientAPI LocateClientObject(UUID AgentID)
+        {
+            ScenePresence tPresence = null;
+            IClientAPI rclient = null;
+
+            lock (m_scenel)
+            {
+                foreach (Scene _scene in m_scenel.Values)
+                {
+                    tPresence = _scene.GetScenePresence(AgentID);
+                    if (tPresence != null)
+                    {
+                        if (!tPresence.IsChildAgent)
+                        {
+                            rclient = tPresence.ControllingClient;
+                        }
+                    }
+                    if (rclient != null)
+                    {
+                        return rclient;
+                    }
+                }
+            }
+            return null;
+        }
+
+        private Scene LocateSceneClientIn(UUID AgentId)
+        {
+            lock (m_scenel)
+            {
+                foreach (Scene _scene in m_scenel.Values)
+                {
+                    ScenePresence tPresence = _scene.GetScenePresence(AgentId);
+                    if (tPresence != null)
+                    {
+                        if (!tPresence.IsChildAgent)
+                        {
+                            return _scene;
+                        }
+                    }
+                }
+            }
+            return null;
+        }
+
+        /// <summary>
+        /// Utility function Gets a Random scene in the instance.  For when which scene exactly you're doing something with doesn't matter
+        /// </summary>
+        /// <returns></returns>
+        public Scene GetRandomScene()
+        {
+            lock (m_scenel)
+            {
+                foreach (Scene rs in m_scenel.Values)
+                    return rs;
+            }
+            return null;
+        }
+
+        /// <summary>
+        /// Utility function to get a Scene by RegionID in a module
+        /// </summary>
+        /// <param name="RegionID"></param>
+        /// <returns></returns>
+        public Scene GetSceneByUUID(UUID RegionID)
+        {
+            lock (m_scenel)
+            {
+                foreach (Scene rs in m_scenel.Values)
+                {
+                    if (rs.RegionInfo.originRegionID == RegionID)
+                    {
+                        return rs;
+                    }
+                }
+            }
+            return null;
+        }
+
+        #endregion
+
+        #region event Handlers
+
+        public void requestPayPrice(IClientAPI client, UUID objectID)
+        {
+            Scene scene = LocateSceneClientIn(client.AgentId);
+            if (scene == null)
+                return;
+
+            SceneObjectPart task = scene.GetSceneObjectPart(objectID);
+            if (task == null)
+                return;
+            SceneObjectGroup group = task.ParentGroup;
+            SceneObjectPart root = group.RootPart;
+
+            client.SendPayPrice(objectID, root.PayPrice);
+        }
+
+        /// <summary>
+        /// When the client closes the connection we remove their accounting
+        /// info from memory to free up resources.
+        /// </summary>
+        /// <param name="AgentID">UUID of agent</param>
+        /// <param name="scene">Scene the agent was connected to.</param>
+        /// <see cref="OpenSim.Region.Framework.Scenes.EventManager.ClientClosed"/>
+        public void ClientClosed(UUID AgentID, Scene scene)
+        {
+            
+        }
+
+        /// <summary>
+        /// Event called Economy Data Request handler.
+        /// </summary>
+        /// <param name="agentId"></param>
+        public void EconomyDataRequestHandler(IClientAPI user)
+        {
+            Scene s = (Scene)user.Scene;
+
+            user.SendEconomyData(EnergyEfficiency, s.RegionInfo.ObjectCapacity, ObjectCount, PriceEnergyUnit, PriceGroupCreate,
+                                 PriceObjectClaim, PriceObjectRent, PriceObjectScaleFactor, PriceParcelClaim, PriceParcelClaimFactor,
+                                 PriceParcelRent, PricePublicObjectDecay, PricePublicObjectDelete, PriceRentLight, PriceUpload,
+                                 TeleportMinPrice, TeleportPriceExponent);
+        }
+
+        private void ValidateLandBuy(Object osender, EventManager.LandBuyArgs e)
+        {
+            
+            
+            lock (e)
+            {
+                e.economyValidated = true;
+            }
+       
+            
+        }
+
+        private void processLandBuy(Object osender, EventManager.LandBuyArgs e)
+        {
+            
+        }
+
+        /// <summary>
+        /// THis method gets called when someone pays someone else as a gift.
+        /// </summary>
+        /// <param name="osender"></param>
+        /// <param name="e"></param>
+        private void MoneyTransferAction(Object osender, EventManager.MoneyTransferArgs e)
+        {
+            
+        }
+
+        /// <summary>
+        /// Event Handler for when a root agent becomes a child agent
+        /// </summary>
+        /// <param name="avatar"></param>
+        private void MakeChildAgent(ScenePresence avatar)
+        {
+            
+        }
+
+        /// <summary>
+        /// Event Handler for when the client logs out.
+        /// </summary>
+        /// <param name="AgentId"></param>
+        private void ClientLoggedOut(UUID AgentId, Scene scene)
+        {
+            
+        }
+
+        /// <summary>
+        /// Call this when the client disconnects.
+        /// </summary>
+        /// <param name="client"></param>
+        public void ClientClosed(IClientAPI client)
+        {
+            ClientClosed(client.AgentId, null);
+        }
+
+        /// <summary>
+        /// Event Handler for when an Avatar enters one of the parcels in the simulator.
+        /// </summary>
+        /// <param name="avatar"></param>
+        /// <param name="localLandID"></param>
+        /// <param name="regionID"></param>
+        private void AvatarEnteringParcel(ScenePresence avatar, int localLandID, UUID regionID)
+        {
+            
+            //m_log.Info("[FRIEND]: " + avatar.Name + " status:" + (!avatar.IsChildAgent).ToString());
+        }
+
+        public int GetBalance(UUID agentID)
+        {
+            return 0;
+        }
+
+        // Please do not refactor these to be just one method
+        // Existing implementations need the distinction
+        //
+        public bool UploadCovered(UUID agentID, int amount)
+        {
+            return true;
+        }
+        public bool AmountCovered(UUID agentID, int amount)
+        {
+            return true;
+        }
+
+        #endregion
+
+        public void ObjectBuy(IClientAPI remoteClient, UUID agentID,
+                UUID sessionID, UUID groupID, UUID categoryID,
+                uint localID, byte saleType, int salePrice)
+        {
+            if (!m_sellEnabled)
+            {
+                remoteClient.SendBlueBoxMessage(UUID.Zero, "", "Buying is not implemented in this version");
+                return;
+            }
+
+            if (salePrice != 0)
+            {
+                remoteClient.SendBlueBoxMessage(UUID.Zero, "", "Buying anything for a price other than zero is not implemented");
+                return;
+            }
+
+            Scene s = LocateSceneClientIn(remoteClient.AgentId);
+
+            // Implmenting base sale data checking here so the default OpenSimulator implementation isn't useless 
+            // combined with other implementations.  We're actually validating that the client is sending the data
+            // that it should.   In theory, the client should already know what to send here because it'll see it when it
+            // gets the object data.   If the data sent by the client doesn't match the object, the viewer probably has an 
+            // old idea of what the object properties are.   Viewer developer Hazim informed us that the base module 
+            // didn't check the client sent data against the object do any.   Since the base modules are the 
+            // 'crowning glory' examples of good practice..
+
+            // Validate that the object exists in the scene the user is in
+            SceneObjectPart part = s.GetSceneObjectPart(localID);
+            if (part == null)
+            {
+                remoteClient.SendAgentAlertMessage("Unable to buy now. The object was not found.", false);
+                return;
+            }
+            
+            // Validate that the client sent the price that the object is being sold for 
+            if (part.SalePrice != salePrice)
+            {
+                remoteClient.SendAgentAlertMessage("Cannot buy at this price. Buy Failed. If you continue to get this relog.", false);
+                return;
+            }
+
+            // Validate that the client sent the proper sale type the object has set 
+            if (part.ObjectSaleType != saleType)
+            {
+                remoteClient.SendAgentAlertMessage("Cannot buy this way. Buy Failed. If you continue to get this relog.", false);
+                return;
+            }
+
+            IBuySellModule module = s.RequestModuleInterface<IBuySellModule>();
+            if (module != null)
+                module.BuyObject(remoteClient, categoryID, localID, saleType, salePrice);
+        }
+    }
+
+    public enum TransactionType : int
+    {
+        SystemGenerated = 0,
+        RegionMoneyRequest = 1,
+        Gift = 2,
+        Purchase = 3
+    }
+}