memo.hpp

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/*
 * 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/protocol/types.hpp>

namespace graphene { namespace protocol {

   struct memo_data
   {
      public_key_type from;
      public_key_type to;
      uint64_t nonce = 0;
      vector<char> message;

      void        set_message(const fc::ecc::private_key& priv,
                              const fc::ecc::public_key& pub, const string& msg, uint64_t custom_nonce = 0);

      std::string get_message(const fc::ecc::private_key& priv,
                              const fc::ecc::public_key& pub)const;
   };

   struct memo_message
   {
      memo_message(){}
      memo_message( uint32_t checksum, const std::string& text )
      :checksum(checksum),text(text){}

      uint32_t    checksum = 0;
      std::string text;

      string serialize() const;
      static memo_message deserialize(const string& serial);
   };

} } // namespace graphene::protocol

FC_REFLECT( graphene::protocol::memo_message, (checksum)(text) )
FC_REFLECT( graphene::protocol::memo_data, (from)(to)(nonce)(message) )

GRAPHENE_DECLARE_EXTERNAL_SERIALIZATION( graphene::protocol::memo_message )
GRAPHENE_DECLARE_EXTERNAL_SERIALIZATION( graphene::protocol::memo_data )