lokinet/llarp/dht/key.hpp

#pragma once

#include <llarp/router_id.hpp>
#include <llarp/util/aligned.hpp>
#include <llarp/util/formattable.hpp>

#include <array>

namespace llarp::dht
{
  struct Key_t : public AlignedBuffer<32>
  {
    explicit Key_t(const byte_t* buf) : AlignedBuffer<SIZE>(buf)
    {}

    explicit Key_t(const std::array<byte_t, SIZE>& data) : AlignedBuffer<SIZE>(data)
    {}

    explicit Key_t(const AlignedBuffer<SIZE>& data) : AlignedBuffer<SIZE>(data)
    {}

    Key_t() : AlignedBuffer<SIZE>()
    {}

    /// get snode address string
    std::string
    SNode() const
    {
      const RouterID rid{as_array()};
      return rid.ToString();
    }

    util::StatusObject
    ExtractStatus() const;

    std::string
    ToString() const
    {
      return SNode();
    }

    Key_t
    operator^(const Key_t& other) const
    {
      Key_t dist;
      std::transform(begin(), end(), other.begin(), dist.begin(), std::bit_xor<byte_t>());
      return dist;
    }

    bool
    operator==(const Key_t& other) const
    {
      return as_array() == other.as_array();
    }

    bool
    operator!=(const Key_t& other) const
    {
      return as_array() != other.as_array();
    }

    bool
    operator<(const Key_t& other) const
    {
      return as_array() < other.as_array();
    }

    bool
    operator>(const Key_t& other) const
    {
      return as_array() > other.as_array();
    }
  };
}  // namespace llarp::dht