mirror of
https://github.com/XRPLF/clio.git
synced 2026-04-29 15:37:53 +00:00
71 lines
2.0 KiB
C++
71 lines
2.0 KiB
C++
//------------------------------------------------------------------------------
|
|
/*
|
|
This file is part of clio: https://github.com/XRPLF/clio
|
|
Copyright (c) 2025, the clio developers.
|
|
|
|
Permission to use, copy, modify, and distribute this software for any
|
|
purpose with or without fee is hereby granted, provided that the above
|
|
copyright notice and this permission notice appear in all copies.
|
|
|
|
THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
|
|
WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
|
|
MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
|
|
ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
|
|
WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
|
|
ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
|
|
OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
|
|
*/
|
|
//==============================================================================
|
|
|
|
#pragma once
|
|
|
|
#include "data/LedgerCache.hpp"
|
|
#include "data/impl/InputFile.hpp"
|
|
#include "data/impl/OutputFile.hpp"
|
|
|
|
#include <fmt/format.h>
|
|
#include <xrpl/basics/base_uint.h>
|
|
|
|
#include <cstddef>
|
|
#include <cstdint>
|
|
#include <cstring>
|
|
#include <string>
|
|
|
|
namespace data::impl {
|
|
|
|
class LedgerCacheFile {
|
|
public:
|
|
struct Header {
|
|
uint32_t version = kVERSION;
|
|
uint32_t latestSeq{};
|
|
uint64_t mapSize{};
|
|
uint64_t deletedSize{};
|
|
};
|
|
|
|
private:
|
|
static constexpr uint32_t kVERSION = 1;
|
|
|
|
std::string path_;
|
|
|
|
public:
|
|
template <typename T>
|
|
struct DataBase {
|
|
uint32_t latestSeq{0};
|
|
T map;
|
|
T deleted;
|
|
};
|
|
|
|
using DataView = DataBase<LedgerCache::CacheMap const&>;
|
|
using Data = DataBase<LedgerCache::CacheMap>;
|
|
|
|
LedgerCacheFile(std::string path);
|
|
|
|
std::expected<void, std::string>
|
|
write(DataView dataView);
|
|
|
|
std::expected<Data, std::string>
|
|
read(uint32_t minLatestSequence);
|
|
};
|
|
|
|
} // namespace data::impl
|