diff --git a/DKPClient.lua b/DKPClient.lua
index 5a6cba1..92693ff 100644
--- a/DKPClient.lua
+++ b/DKPClient.lua
@@ -17,6 +17,7 @@ local Status = {
   PENDING = 1,
   BIDDING = 2,
   ASSIGNED = 3,
+  CLAIMED = 4,
 }
 
 local Separator = {
@@ -37,7 +38,7 @@ end
 
 -- Handlers
 function DKPHandlers.ShowFrame(player)
-    frame:Show()
+    DKP.client.window:Show()
 end
 
 function DKP.Split(str, sep)
@@ -295,8 +296,16 @@ function Client:ConfigureRow(row, item)
         row.bidButton:Enable()
         row.bidButton:SetText("Bid")
     elseif item.status == Status.ASSIGNED then
-        row.bidButton:Enable()
-        row.bidButton:SetText("Claim")
+        if item.topBidder == UnitName("player") then
+            row.bidButton:SetText("Claim")
+            row.bidButton:Enable()
+        else
+            row.bidButton:SetText("")
+            row.bidButton:Disable()
+        end
+    elseif item.status == Status.CLAIMED then
+        row.bidButton:SetText("Claimed")
+        row.bidButton:Disable()
     else
         row.bidButton:Disable()
         row.bidButton:SetText("Pending")
@@ -306,12 +315,9 @@ function Client:ConfigureRow(row, item)
     row.topBidAmountText:SetText(item.bid ~= 0 and item.bid or "No bid")
 
     row.countdownBar:CountdownItem(item)
-
 end
 
 
-
-
 -- Create auction rows
 function Client:CreateRow(parent, item)
     local row = CreateFrame("Frame", nil, parent)
@@ -397,11 +403,12 @@ function Client:CreateRow(parent, item)
         self.bidBox:ClearFocus()
         local item = self.item
         if not item then return end
-        -- if self.bidButton:GetText() == "OS" then
-        -- elseif item.pendingBid then
-        item.pendingBid = 69 -- TODO: read value set from bidBox
-        AIO.Handle(ADDON_NAME, "RequestBid", item.id, item.pendingBid)
-        -- end
+        if self.bidButton:GetText() == "Claim" then
+            AIO.Handle(ADDON_NAME, "RequestClaim", item.id)
+        else
+            item.pendingBid = 69 -- TODO: read value set from bidBox
+            AIO.Handle(ADDON_NAME, "RequestBid", item.id, item.pendingBid)
+        end
     end
 
 
@@ -498,8 +505,8 @@ local client = Client:Create()
 DKP.client = client
 client.window = client:CreateWindow()
 -- add test items
-local testStr = "1^39252^1+2^39251^1+3^23070^1"
+-- local testStr = "1^39252^1+2^39251^1+3^23070^1"
 -- local testStr = "1^39252^1+2^39251^1+3^23070^1+4^23000^1+5^22801^1+6^22808^1+7^22803^1+8^22353^1+9^22804^1+10^22805^1" -- cache
-DKPHandlers.SyncResponse(nil, testStr)
+-- DKPHandlers.SyncResponse(nil, testStr)
 
 print(DKP.items)
diff --git a/DKPServer.lua b/DKPServer.lua
index 10bd910..8d7824a 100644
--- a/DKPServer.lua
+++ b/DKPServer.lua
@@ -243,9 +243,17 @@ function DKPHandlers.RequestClaim(player, id)
     local itemId = item.itemId
     -- add item
     if item.status ~= Status.CLAIMED then
-        player:AddItem(itemId, 1) -- (entry, count)
-        session:SetItemClaimed(id)
+        -- check top bid
+        if item.topBidderGUID == player:GetGUID() then
+            local priceInCopper = item.bid * 10000
+            if player:GetCoinage() >= priceInCopper then
+                player:ModifyMoney(-priceInCopper)
+                player:AddItem(itemId, 1) -- (entry, count)
+                session:SetItemClaimed(id)
+            end
+        end
     end
+    session:OnChange()
 end
 
 
@@ -279,5 +287,45 @@ local function OnCommand(event, player, command)
     end
 end
 
+
+function Session:ExpireItems()
+    -- assign items on expire
+    local anyExpired = false
+    for i, item in ipairs(self.items) do
+        if item.status == Status.BIDDING then
+            if item.expiration <  GetGameTime() then
+                self.items[i].status = Status.ASSIGNED
+                anyExpired = true
+            end
+        end
+    end
+    return anyExpired
+end
+
+local function OnTimedLuaEvent(eventId, delay, repeats)
+    -- loop through sessions
+    for instanceId, session in pairs(Sessions) do
+        print("session!")
+        local anyExpired = session:ExpireItems()
+        if anyExpired then
+            session:OnChange()
+        end
+    end
+end
+
 RegisterPlayerEvent(PLAYER_EVENT_ON_COMMAND, OnCommand)
 RegisterPacketEvent(CMSG_LOOT, PACKET_EVENT_ON_PACKET_RECEIVE, OnLootFrameOpen)
+CreateLuaEvent(OnTimedLuaEvent, 1000, 0) -- ( function, delay, repeats )
+
+local function DoPayoutGold(player, payout)
+    -- if (payout + player:GetCoinage()) > COINAGE_MAX then
+    --     SendMail(DR.Config.mail.subject, string.format(DR.Config.mail.body, player:GetName()),
+    --         player:GetGUIDLow(), DR.Config.mail.senderGUID, DR.Config.mail.stationary, 0, payout)
+    --     AIO.Handle(player, ADDON_NAME, "SentPayoutByMail")
+    -- else
+    --     player:ModifyMoney(payout)
+    -- end
+end
+function DKPHandlers.RequestPayout(player)
+    --
+end