text: // Copyright (c) 2014, AEON, The Monero Project
  // 
  // All rights reserved.
  // 
  // Redistribution and use in source and binary forms, with or without modification, are
  // permitted provided that the following conditions are met:
  // 
  // 1. Redistributions of source code must retain the above copyright notice, this list of
  //    conditions and the following disclaimer.
  // 
  // 2. Redistributions in binary form must reproduce the above copyright notice, this list
  //    of conditions and the following disclaimer in the documentation and/or other
  //    materials provided with the distribution.
  // 
  // 3. Neither the name of the copyright holder nor the names of its contributors may be
  //    used to endorse or promote products derived from this software without specific
  //    prior written permission.
  // 
  // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
  // EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
  // MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
  // THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  // PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  // INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
  // STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
  // THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  // 
  // Parts of this file are originally copyright (c) 2012-2013 The Cryptonote developers
  
  #pragma once
  
  #include <vector>
  
  #include "cryptonote_core/account.h"
  #include "cryptonote_core/cryptonote_basic.h"
  #include "cryptonote_core/cryptonote_format_utils.h"
  #include "crypto/crypto.h"
  
  template<size_t a_ring_size>
  class multi_tx_test_base
  {
    static_assert(0 < a_ring_size, "ring_size must be greater than 0");
  
  public:
    static const size_t ring_size = a_ring_size;
    static const size_t real_source_idx = ring_size / 2;
  
    bool init()
    {
      using namespace cryptonote;
  
      std::vector<tx_source_entry::output_entry> output_entries;
      for (size_t i = 0; i < ring_size; ++i)
      {
        m_miners[i].generate();
  
        if (!construct_miner_tx(0, 0, 0, 2, 0, m_miners[i].get_keys().m_account_address, m_miner_txs[i]))
          return false;
  
        txout_to_key tx_out = boost::get<txout_to_key>(m_miner_txs[i].vout[0].target);
        output_entries.push_back(std::make_pair(i, tx_out.key));
        m_public_keys[i] = tx_out.key;
        m_public_key_ptrs[i] = &m_public_keys[i];
      }
  
      m_source_amount = m_miner_txs[0].vout[0].amount;
  
      tx_source_entry source_entry;
      source_entry.amount = m_source_amount;
      source_entry.real_out_tx_key = get_tx_pub_key_from_extra(m_miner_txs[real_source_idx]);
      source_entry.real_output_in_tx_index = 0;
      source_entry.outputs.swap(output_entries);
      source_entry.real_output = real_source_idx;
  
      m_sources.push_back(source_entry);
  
      return true;
    }
  
  protected:
    cryptonote::account_base m_miners[ring_size];
    cryptonote::transaction m_miner_txs[ring_size];
    uint64_t m_source_amount;
  
    std::vector<cryptonote::tx_source_entry> m_sources;
    crypto::public_key m_public_keys[ring_size];
    const crypto::public_key* m_public_key_ptrs[ring_size];
  };
  