difficulty_type.h

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// Copyright (c) 2019, The Monero Project
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#pragma once
 
#include "cryptonote_basic/difficulty.h"
#include "serialization.h"
 
template<> struct is_basic_type<cryptonote::difficulty_type> { typedef boost::true_type type; };
 
template <template <bool> class Archive>
inline bool do_serialize(Archive<false>& ar, cryptonote::difficulty_type &diff)
{
  uint64_t hi, lo;
  ar.serialize_varint(hi);
  if (!ar.stream().good())
    return false;
  ar.serialize_varint(lo);
  if (!ar.stream().good())
    return false;
  diff = hi;
  diff <<= 64;
  diff += lo;
  return true;
}
 
template <template <bool> class Archive>
inline bool do_serialize(Archive<true>& ar, cryptonote::difficulty_type &diff)
{
  if (!ar.stream().good())
    return false;
  const uint64_t hi = ((diff >> 64) & 0xffffffffffffffff).convert_to<uint64_t>();
  const uint64_t lo = (diff & 0xffffffffffffffff).convert_to<uint64_t>();
  ar.serialize_varint(hi);
  ar.serialize_varint(lo);
  if (!ar.stream().good())
    return false;
  return true;
}