gas_pricer.hpp

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#pragma once
 
#include <boost/circular_buffer.hpp>
#include <shared_mutex>
 
#include "config/genesis.hpp"
#include "transaction/transaction.hpp"
 
namespace taraxa {
 
class DbStorage;
class TransactionManager;
 
class GasPricer {
 public:
  GasPricer(const GenesisConfig &config, bool is_light_node = false, bool is_blocks_gas_pricer = false,
            std::shared_ptr<TransactionManager> trx_mgr = nullptr, std::shared_ptr<DbStorage> db = {});
  ~GasPricer();
 
  GasPricer(const GasPricer &) = delete;
  GasPricer(GasPricer &&) = delete;
  GasPricer &operator=(const GasPricer &) = delete;
  GasPricer &operator=(GasPricer &&) = delete;
 
  u256 bid() const;
 
  void update(const SharedTransactions &trxs);
 
 private:
  void init(const std::shared_ptr<DbStorage> &db);
 
  const uint64_t kPercentile;
  const u256 kMinimumPrice;
  const bool kIsLightNode;
 
  mutable std::shared_mutex mutex_;
  u256 latest_price_;
  boost::circular_buffer<u256> price_list_;
 
  std::unique_ptr<std::thread> init_daemon_;
  const bool kBlocksGasPricer;
  std::shared_ptr<TransactionManager> trx_mgr_;
};
 
}  // namespace taraxa