improvement for buying/cancelling mechanism

auctions_frame.lua

@@ -105,32 +105,6 @@ function private.record_remover(record)
     end
 end
 
-do
-    local found_index
-
-    function private.find_auction(record)
-        if not Aux.util.index_of(record, auction_records) then
-            return
-        end
-
-        found_index = nil
-
-        Aux.scan_util.find(record, private.status_bar, Aux.util.pass, private.record_remover(record), function(index)
-
-            found_index = index
-
-            private.cancel_button:SetScript('OnClick', function()
-                if private.test(record)(index) and Aux.util.index_of(record, auction_records) then
-                    CancelAuction(index)
-                    private.record_remover(record)()
-                end
-            end)
-            private.cancel_button:Enable()
-
-        end)
-    end
-end
-
 do
     local scan_id
     local IDLE, SEARCHING, FOUND = {}, {}, {}
@@ -160,8 +134,7 @@ do
 
                 private.cancel_button:SetScript('OnClick', function()
                     if private.test(record)(index) and private.listing:ContainsRecord(record) then
-                        CancelAuction(index)
-                        private.record_remover(record)()
+                        Aux.cancel_auction(index, private.record_remover(record))
                     end
                 end)
                 private.cancel_button:Enable()

core.lua

@@ -1,5 +1,5 @@
 Aux = {
-    version = '2.11.2',
+    version = '2.11.3',
     blizzard_ui_shown = false,
 	orig = {},
 }
@@ -167,17 +167,48 @@ do
         end
 
         local money = GetMoney()
+        PlaceAuctionBid(type, index, amount)
         if money >= amount then
             locked = true
-            local t0 = GetTime()
-            Aux.control.as_soon_as(function() return GetMoney() < money or GetTime() - t0 > 10 end, function()
-                if GetMoney() < money then
+
+            local listener = Aux.control.event_listener('CHAT_MSG_SYSTEM')
+            listener:set_action(function()
+                if arg1 == ERR_AUCTION_BID_PLACED then
                     on_success()
+                    locked = false
+                    listener:stop()
                 end
-                locked = false
             end)
+            listener:start()
         end
-        PlaceAuctionBid(type, index, amount)
+    end
+end
+
+do
+    local locked
+
+    function Aux.cancel_in_progress()
+        return locked
+    end
+
+    function Aux.cancel_auction(index, on_success)
+
+        if locked then
+            return
+        end
+
+        locked = true
+
+        CancelAuction(index)
+        local listener = Aux.control.event_listener('CHAT_MSG_SYSTEM')
+        listener:set_action(function()
+            if arg1 == ERR_AUCTION_REMOVED then
+                on_success()
+                locked = false
+                listener:stop()
+            end
+        end)
+        listener:start()
     end
 end