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Diffstat (limited to 'src/cryptonote_basic/subaddress_index.h')
-rw-r--r-- | src/cryptonote_basic/subaddress_index.h | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/src/cryptonote_basic/subaddress_index.h b/src/cryptonote_basic/subaddress_index.h new file mode 100644 index 000000000..07d13c503 --- /dev/null +++ b/src/cryptonote_basic/subaddress_index.h @@ -0,0 +1,102 @@ +// Copyright (c) 2017, 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; + } + } +} |