public function addNewLimitTrade()
 {
     $wallet_id = strtoupper(Input::get('wallet_id'));
     $min_amount = Input::get('min_amount');
     $max_amount = Input::get('max_amount');
     $find_record = WalletLimitTrade::where('wallet_id', $wallet_id)->first();
     if (!isset($find_record->wallet_id)) {
         $limitTrade = new WalletLimitTrade();
         $limitTrade->wallet_id = $wallet_id;
         $limitTrade->min_amount = $min_amount;
         $limitTrade->max_amount = $max_amount;
         $limitTrade->save();
         if ($limitTrade->id) {
             return Redirect::to('admin/setting/limit-trade')->with('success', Lang::get('admin_messages.limit_trade_created'));
         } else {
             return Redirect::to('admin/setting/limit-trade')->with('error', Lang::get('admin_messages.cannot_create_limit_trade'));
         }
     } else {
         return Redirect::to('admin/setting/limit-trade')->with('error', Lang::get('admin_messages.limit_trade_already_set'));
     }
 }