/*
 * Copyright (c) 2015 Cryptonomex, Inc., and contributors.
 *
 * The MIT License
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */

#pragma once
#include <graphene/chain/protocol/base.hpp>

namespace graphene { namespace chain { 

   /**
    * @brief provides a generic way to add higher level protocols on top of witness consensus
    * @ingroup operations
    *
    * There is no validation for this operation other than that required auths are valid and a fee
    * is paid that is appropriate for the data contained.
    */
   struct custom_operation : public base_operation
   {
      struct fee_parameters_type { 
         uint64_t fee = GRAPHENE_BLOCKCHAIN_PRECISION; 
         uint32_t price_per_kbyte = 10;
      };

      asset                     fee;
      account_id_type           payer;
      flat_set<account_id_type> required_auths;
      uint16_t                  id = 0;
      vector<char>              data;

      account_id_type   fee_payer()const { return payer; }
      void              validate()const;
      share_type        calculate_fee(const fee_parameters_type& k)const;
      void              get_required_active_authorities( flat_set<account_id_type>& auths )const {
         auths.insert( required_auths.begin(), required_auths.end() );
      }
   };

} } // namespace graphene::chain

FC_REFLECT( graphene::chain::custom_operation::fee_parameters_type, (fee)(price_per_kbyte) )
FC_REFLECT( graphene::chain::custom_operation, (fee)(payer)(required_auths)(id)(data) )

GRAPHENE_EXTERNAL_SERIALIZATION( extern, graphene::chain::custom_operation::fee_parameters_type )
GRAPHENE_EXTERNAL_SERIALIZATION( extern, graphene::chain::custom_operation )
