dncurrency/nano/node/vote_spacing.hpp

46 lines
1.1 KiB
C++

#pragma once
#include <nano/lib/numbers.hpp>
#include <nano/lib/numbers_templ.hpp>
#include <boost/multi_index/hashed_index.hpp>
#include <boost/multi_index/member.hpp>
#include <boost/multi_index/ordered_index.hpp>
#include <boost/multi_index_container.hpp>
#include <chrono>
namespace mi = boost::multi_index;
namespace nano
{
class vote_spacing final
{
class entry
{
public:
nano::root root;
std::chrono::steady_clock::time_point time;
nano::block_hash hash;
};
boost::multi_index_container<entry,
mi::indexed_by<
mi::hashed_non_unique<mi::tag<class tag_root>,
mi::member<entry, nano::root, &entry::root>>,
mi::ordered_non_unique<mi::tag<class tag_time>,
mi::member<entry, std::chrono::steady_clock::time_point, &entry::time>>>>
recent;
std::chrono::milliseconds const delay;
void trim ();
public:
vote_spacing (std::chrono::milliseconds const & delay) :
delay{ delay }
{
}
bool votable (nano::root const & root_a, nano::block_hash const & hash_a) const;
void flag (nano::root const & root_a, nano::block_hash const & hash_a);
std::size_t size () const;
};
}