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#include "connection_context.h"

#include <boost/optional/optional.hpp>

namespace cryptonote
{
  void cryptonote_connection_context::set_state_normal()
  {
    m_state = state_normal;
    m_expected_heights_start = 0;
    m_needed_objects.clear();
    m_needed_objects.shrink_to_fit();
    m_expected_heights.clear();
    m_expected_heights.shrink_to_fit();
    m_requested_objects.clear();
  }

  boost::optional<crypto::hash> cryptonote_connection_context::get_expected_hash(const uint64_t height) const
  {
    const auto difference = height - m_expected_heights_start;
    if (height < m_expected_heights_start || m_expected_heights.size() <= difference)
      return boost::none;
    return m_expected_heights[difference];
  }
} // cryptonote