text: //------------------------------------------------------------------------------
  /*
      This file is part of rippled: https://github.com/ripple/rippled
      Copyright (c) 2012, 2013 Ripple Labs Inc.
  
      Permission to use, copy, modify, and/or distribute this software for any
      purpose  with  or without fee is hereby granted, provided that the above
      copyright notice and this permission notice appear in all copies.
  
      THE  SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
      WITH  REGARD  TO  THIS  SOFTWARE  INCLUDING  ALL  IMPLIED  WARRANTIES  OF
      MERCHANTABILITY  AND  FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
      ANY  SPECIAL ,  DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
      WHATSOEVER  RESULTING  FROM  LOSS  OF USE, DATA OR PROFITS, WHETHER IN AN
      ACTION  OF  CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
      OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  */
  //==============================================================================
  
  //==============================================================================
  /*
      2017-06-27  ajochems        Refactored for casinocoin
  */
  //==============================================================================
  
  #ifndef CASINOCOIN_APP_MISC_FEEVOTE_H_INCLUDED
  #define CASINOCOIN_APP_MISC_FEEVOTE_H_INCLUDED
  
  #include <casinocoin/ledger/ReadView.h>
  #include <casinocoin/shamap/SHAMap.h>
  #include <casinocoin/app/misc/Validations.h>
  #include <casinocoin/basics/BasicConfig.h>
  #include <casinocoin/protocol/SystemParameters.h>
  
  namespace casinocoin {
  
  /** Manager to process fee votes. */
  class FeeVote
  {
  public:
      /** Fee schedule to vote for.
          During voting ledgers, the FeeVote logic will try to move towards
          these values when injecting fee-setting transactions.
          A default-constructed Setup contains recommended values.
      */
      struct Setup
      {
          /** The cost of a reference transaction in drops. */
          std::uint64_t reference_fee = 100000;
  
          /** The cost of a reference transaction in fee units. */
          std::uint64_t const reference_fee_units = 1000;
  
          /** The account reserve requirement in drops. */
          std::uint64_t account_reserve = 10 * SYSTEM_CURRENCY_PARTS;
  
          /** The per-owned item reserve requirement in drops. */
          std::uint64_t owner_reserve = 1 * SYSTEM_CURRENCY_PARTS;
  
          Setup(){}
          ~Setup(){}
          Setup(const Setup& other)
              : reference_fee(other.reference_fee)
              , reference_fee_units(other.reference_fee_units)
              , account_reserve(other.account_reserve)
              , owner_reserve(other.owner_reserve)
          {}
          Setup& operator=(const Setup& other)
          {
              reference_fee = other.reference_fee;
              // reference_fee_units omitted
              account_reserve = other.account_reserve;
              owner_reserve = other.owner_reserve;
              return *this;
          }
      };
  
      virtual ~FeeVote () = default;
  
      /** Add local fee preference to validation.
  
          @param lastClosedLedger
          @param baseValidation
      */
      virtual
      void
      doValidation (std::shared_ptr<ReadView const> const& lastClosedLedger,
          STObject& baseValidation) = 0;
  
      /** Cast our local vote on the fee.
  
          @param lastClosedLedger
          @param initialPosition
      */
      virtual
      void
      doVoting (std::shared_ptr<ReadView const> const& lastClosedLedger,
          ValidationSet const& parentValidations,
              std::shared_ptr<SHAMap> const& initialPosition) = 0;
  
      virtual
      void
      updatePosition(Setup const& setup) = 0;
  };
  
  /** Build FeeVote::Setup from a config section. */
  FeeVote::Setup
  setup_FeeVote (Section const& section);
  
  /** Create an instance of the FeeVote logic.
      @param setup The fee schedule to vote for.
      @param journal Where to log.
  */
  std::unique_ptr <FeeVote>
  make_FeeVote (FeeVote::Setup const& setup, beast::Journal journal);
  
  } // casinocoin
  
  #endif
  