clboss/Boss/Mod/FeeMonitor.hpp
2026-02-27 14:28:55 -08:00

72 lines
2.1 KiB
C++

#ifndef BOSS_MOD_FEEMONITOR_HPP
#define BOSS_MOD_FEEMONITOR_HPP
#include"Ln/NodeId.hpp"
#include"Sqlite3/Db.hpp"
#include<cstdint>
#include<map>
#include<optional>
namespace Boss { namespace Msg { struct DbResource; }}
namespace Boss { namespace Msg { struct MonitorFeeByBalance; }}
namespace Boss { namespace Msg { struct MonitorFeeByTheory; }}
namespace Boss { namespace Msg { struct MonitorFeeSetChannel; }}
namespace Boss { namespace Msg { struct MonitorFeeBySize; }}
namespace Boss { namespace Msg { struct PeerMedianChannelFee; }}
namespace Ev { template<typename a> class Io; }
namespace S { class Bus; }
namespace Sqlite3 { class Tx; }
namespace Boss { namespace Mod {
/** class Boss::Mod::FeeMonitor
*
* @brief Collects fee-setting context and records fee changes
* into the internal sqlite database.
*/
class FeeMonitor {
private:
struct PeerInfo {
std::optional<std::uint32_t> baseline_base;
std::optional<std::uint32_t> baseline_ppm;
std::optional<double> size_mult;
std::optional<std::uint64_t> size_total_peers;
std::optional<std::uint64_t> size_less_peers;
std::optional<double> balance_mult;
std::optional<std::uint64_t> balance_our_msat;
std::optional<std::uint64_t> balance_total_msat;
std::optional<std::int64_t> price_level;
std::optional<double> price_mult;
std::optional<std::uint32_t> price_cards_left;
std::optional<std::int64_t> price_center;
};
S::Bus& bus;
Sqlite3::Db db;
std::map<Ln::NodeId, PeerInfo> peers;
void start();
Ev::Io<void> initialize_db();
Ev::Io<Sqlite3::Tx> db_transact();
std::uint64_t get_peer_id(Sqlite3::Tx& tx, Ln::NodeId const& node);
Ev::Io<void> on_db(Boss::Msg::DbResource const& m);
Ev::Io<void> on_baseline(Boss::Msg::PeerMedianChannelFee const& m);
Ev::Io<void> on_size(Boss::Msg::MonitorFeeBySize const& m);
Ev::Io<void> on_balance(Boss::Msg::MonitorFeeByBalance const& m);
Ev::Io<void> on_price(Boss::Msg::MonitorFeeByTheory const& m);
Ev::Io<void> on_set(Boss::Msg::MonitorFeeSetChannel const& m);
public:
FeeMonitor(FeeMonitor const&) =delete;
FeeMonitor(FeeMonitor&&) =delete;
explicit
FeeMonitor(S::Bus& bus_);
~FeeMonitor();
};
}}
#endif /* !defined(BOSS_MOD_FEEMONITOR_HPP) */