oxen-core/src/cryptonote_basic/subaddress_index.h

102 lines
3.3 KiB
C++

// Copyright (c) 2017-2019, 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.
#pragma once
#include "serialization/keyvalue_serialization.h"
#include <boost/serialization/serialization.hpp>
#include <boost/serialization/version.hpp>
#include <ostream>
namespace cryptonote
{
struct subaddress_index
{
uint32_t major;
uint32_t minor;
bool operator==(const subaddress_index& rhs) const { return !memcmp(this, &rhs, sizeof(subaddress_index)); }
bool operator!=(const subaddress_index& rhs) const { return !(*this == rhs); }
bool is_zero() const { return major == 0 && minor == 0; }
BEGIN_SERIALIZE_OBJECT()
FIELD(major)
FIELD(minor)
END_SERIALIZE()
BEGIN_KV_SERIALIZE_MAP()
KV_SERIALIZE(major)
KV_SERIALIZE(minor)
END_KV_SERIALIZE_MAP()
};
}
namespace cryptonote {
inline std::ostream& operator<<(std::ostream& out, const cryptonote::subaddress_index& subaddr_index)
{
return out << subaddr_index.major << '/' << subaddr_index.minor;
}
}
namespace std
{
template <>
struct hash<cryptonote::subaddress_index>
{
size_t operator()(const cryptonote::subaddress_index& index ) const
{
size_t res;
if (sizeof(size_t) == 8)
{
res = ((uint64_t)index.major << 32) | index.minor;
}
else
{
// https://stackoverflow.com/a/17017281
res = 17;
res = res * 31 + hash<uint32_t>()(index.major);
res = res * 31 + hash<uint32_t>()(index.minor);
}
return res;
}
};
}
BOOST_CLASS_VERSION(cryptonote::subaddress_index, 0)
namespace boost
{
namespace serialization
{
template <class Archive>
inline void serialize(Archive &a, cryptonote::subaddress_index &x, const boost::serialization::version_type ver)
{
a & x.major;
a & x.minor;
}
}
}