text: // Copyright (c) 2012-2016, The CryptoNote developers, The Bytecoin developers
  // Copyright (c) 2016-2019, The Karbo developers
  // Copyright (c) 2017-2019, The CROAT.community 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 <vector>
  #include <array>
  
  #include "CryptoNoteProtocol/ICryptoNoteProtocolQuery.h"
  #include "CryptoNoteCore/ICore.h"
  #include "BlockchainExplorerData.h"
  
  namespace CryptoNote {
  
  class BlockchainExplorerDataBuilder
  {
  public:
    BlockchainExplorerDataBuilder(CryptoNote::ICore& core, CryptoNote::ICryptoNoteProtocolQuery& protocol);
  
    BlockchainExplorerDataBuilder(const BlockchainExplorerDataBuilder&) = delete;
    BlockchainExplorerDataBuilder(BlockchainExplorerDataBuilder&&) = delete;
  
    BlockchainExplorerDataBuilder& operator=(const BlockchainExplorerDataBuilder&) = delete;
    BlockchainExplorerDataBuilder& operator=(BlockchainExplorerDataBuilder&&) = delete;
  
    bool fillBlockDetails(const Block& block, BlockDetails& blockDetails, bool calculate_pow = false);
    bool fillTransactionDetails(const Transaction &tx, TransactionDetails& txRpcInfo, uint64_t timestamp = 0);
  
    static bool getPaymentId(const Transaction& transaction, Crypto::Hash& paymentId);
  
  private:
    bool getMixin(const Transaction& transaction, uint64_t& mixin);
    bool fillTxExtra(const std::vector<uint8_t>& rawExtra, TransactionExtraDetails2& extraDetails);
    size_t median(std::vector<size_t>& v);
  
    CryptoNote::ICore& m_core;
    CryptoNote::ICryptoNoteProtocolQuery& protocol;
  };
  }
  