// Copyright (c) 2012-2015, The CryptoNote developers, The Bytecoin developers
//
// This file is part of Bytecoin.
//
// Bytecoin is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Bytecoin is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with Bytecoin.  If not, see <http://www.gnu.org/licenses/>.

#pragma once

#include "Common/StringTools.h"
#include "crypto/crypto.h"
#include "crypto/hash.h"
#include "CryptoNoteCore/CryptoNoteBasic.h"


namespace CryptoNote {
  /************************************************************************/
  /*                                                                      */
  /************************************************************************/
  template<class t_array>
  struct array_hasher: std::unary_function<t_array&, size_t>
  {
    size_t operator()(const t_array& val) const
    {
      return boost::hash_range(&val.data[0], &val.data[sizeof(val.data)]);
    }
  };

  /************************************************************************/
  /* CryptoNote helper functions                                          */
  /************************************************************************/
  uint64_t getPenalizedAmount(uint64_t amount, size_t medianSize, size_t currentBlockSize);
  std::string getAccountAddressAsStr(uint64_t prefix, const AccountPublicAddress& adr);
  bool parseAccountAddressString(uint64_t& prefix, AccountPublicAddress& adr, const std::string& str);
  bool is_coinbase(const Transaction& tx);

  bool operator ==(const CryptoNote::Transaction& a, const CryptoNote::Transaction& b);
  bool operator ==(const CryptoNote::Block& a, const CryptoNote::Block& b);
}

template <class T>
std::ostream &print256(std::ostream &o, const T &v) {
  return o << "<" << Common::podToHex(v) << ">";
}

bool parse_hash256(const std::string& str_hash, Crypto::Hash& hash);

namespace Crypto {
  inline std::ostream &operator <<(std::ostream &o, const Crypto::PublicKey &v) { return print256(o, v); }
  inline std::ostream &operator <<(std::ostream &o, const Crypto::SecretKey &v) { return print256(o, v); }
  inline std::ostream &operator <<(std::ostream &o, const Crypto::KeyDerivation &v) { return print256(o, v); }
  inline std::ostream &operator <<(std::ostream &o, const Crypto::KeyImage &v) { return print256(o, v); }
  inline std::ostream &operator <<(std::ostream &o, const Crypto::Signature &v) { return print256(o, v); }
  inline std::ostream &operator <<(std::ostream &o, const Crypto::Hash &v) { return print256(o, v); }
}