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180 lines
7.8 KiB
C++
180 lines
7.8 KiB
C++
// Copyright (c) 2014-2019, The Monero Project
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//
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without modification, are
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// permitted provided that the following conditions are met:
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//
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// 1. Redistributions of source code must retain the above copyright notice, this list of
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// conditions and the following disclaimer.
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//
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// 2. Redistributions in binary form must reproduce the above copyright notice, this list
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// of conditions and the following disclaimer in the documentation and/or other
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// materials provided with the distribution.
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//
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// 3. Neither the name of the copyright holder nor the names of its contributors may be
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// used to endorse or promote products derived from this software without specific
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// prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
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// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
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// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
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// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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// Parts of this file are originally copyright (c) 2012-2013 The Cryptonote developers
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#pragma once
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#include <boost/program_options.hpp>
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#include <boost/logic/tribool_fwd.hpp>
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#include <atomic>
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#include "cryptonote_basic.h"
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#include "verification_context.h"
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#include "difficulty.h"
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#include "math_helper.h"
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#ifdef _WIN32
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#include <windows.h>
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#endif
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namespace cryptonote
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{
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struct i_miner_handler
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{
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virtual bool handle_block_found(block& b, block_verification_context &bvc) = 0;
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virtual bool get_block_template(block& b, const account_public_address& adr, difficulty_type& diffic, uint64_t& height, uint64_t& expected_reward, const blobdata& ex_nonce) = 0;
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protected:
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~i_miner_handler(){};
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};
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class Blockchain;
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/************************************************************************/
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/* */
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/************************************************************************/
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class miner
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{
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public:
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miner(i_miner_handler* phandler, Blockchain* pbc);
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~miner();
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bool init(const boost::program_options::variables_map& vm, network_type nettype);
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static void init_options(boost::program_options::options_description& desc);
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bool set_block_template(const block& bl, const difficulty_type& diffic, uint64_t height, uint64_t block_reward);
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bool on_block_chain_update();
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bool start(const account_public_address& adr, size_t threads_count, bool do_background = false, bool ignore_battery = false);
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uint64_t get_speed() const;
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uint32_t get_threads_count() const;
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void send_stop_signal();
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bool stop();
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bool is_mining() const;
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const account_public_address& get_mining_address() const;
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bool on_idle();
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void on_synchronized();
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//synchronous analog (for fast calls)
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static bool find_nonce_for_given_block(const Blockchain *pbc, block& bl, const difficulty_type& diffic, uint64_t height);
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void pause();
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void resume();
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void do_print_hashrate(bool do_hr);
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bool get_is_background_mining_enabled() const;
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bool get_ignore_battery() const;
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uint64_t get_min_idle_seconds() const;
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bool set_min_idle_seconds(uint64_t min_idle_seconds);
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uint8_t get_idle_threshold() const;
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bool set_idle_threshold(uint8_t idle_threshold);
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uint8_t get_mining_target() const;
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bool set_mining_target(uint8_t mining_target);
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uint64_t get_block_reward() const { return m_block_reward; }
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static constexpr uint8_t BACKGROUND_MINING_DEFAULT_IDLE_THRESHOLD_PERCENTAGE = 90;
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static constexpr uint8_t BACKGROUND_MINING_MIN_IDLE_THRESHOLD_PERCENTAGE = 50;
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static constexpr uint8_t BACKGROUND_MINING_MAX_IDLE_THRESHOLD_PERCENTAGE = 99;
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static constexpr uint16_t BACKGROUND_MINING_DEFAULT_MIN_IDLE_INTERVAL_IN_SECONDS = 10;
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static constexpr uint16_t BACKGROUND_MINING_MIN_MIN_IDLE_INTERVAL_IN_SECONDS = 10;
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static constexpr uint16_t BACKGROUND_MINING_MAX_MIN_IDLE_INTERVAL_IN_SECONDS = 3600;
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static constexpr uint8_t BACKGROUND_MINING_DEFAULT_MINING_TARGET_PERCENTAGE = 40;
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static constexpr uint8_t BACKGROUND_MINING_MIN_MINING_TARGET_PERCENTAGE = 5;
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static constexpr uint8_t BACKGROUND_MINING_MAX_MINING_TARGET_PERCENTAGE = 50;
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static constexpr uint8_t BACKGROUND_MINING_MINER_MONITOR_INVERVAL_IN_SECONDS = 10;
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static constexpr uint64_t BACKGROUND_MINING_DEFAULT_MINER_EXTRA_SLEEP_MILLIS = 400; // ramp up
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static constexpr uint64_t BACKGROUND_MINING_MIN_MINER_EXTRA_SLEEP_MILLIS = 5;
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private:
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bool worker_thread();
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bool request_block_template();
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void merge_hr();
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void update_autodetection();
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struct miner_config
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{
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uint64_t current_extra_message_index;
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BEGIN_KV_SERIALIZE_MAP()
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KV_SERIALIZE(current_extra_message_index)
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END_KV_SERIALIZE_MAP()
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};
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volatile uint32_t m_stop;
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epee::critical_section m_template_lock;
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block m_template;
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std::atomic<uint32_t> m_template_no;
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std::atomic<uint32_t> m_starter_nonce;
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difficulty_type m_diffic;
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uint64_t m_height;
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volatile uint32_t m_thread_index;
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volatile uint32_t m_threads_total;
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std::atomic<uint32_t> m_threads_active;
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std::atomic<int32_t> m_pausers_count;
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epee::critical_section m_miners_count_lock;
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std::list<boost::thread> m_threads;
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epee::critical_section m_threads_lock;
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i_miner_handler* m_phandler;
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Blockchain* m_pbc;
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account_public_address m_mine_address;
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epee::math_helper::once_a_time_seconds<5> m_update_block_template_interval;
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epee::math_helper::once_a_time_seconds<2> m_update_merge_hr_interval;
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epee::math_helper::once_a_time_seconds<1> m_autodetect_interval;
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std::vector<blobdata> m_extra_messages;
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miner_config m_config;
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std::string m_config_folder_path;
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std::atomic<uint64_t> m_last_hr_merge_time;
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std::atomic<uint64_t> m_hashes;
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std::atomic<uint64_t> m_total_hashes;
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std::atomic<uint64_t> m_current_hash_rate;
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epee::critical_section m_last_hash_rates_lock;
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std::list<uint64_t> m_last_hash_rates;
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bool m_do_print_hashrate;
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bool m_do_mining;
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std::vector<std::pair<uint64_t, uint64_t>> m_threads_autodetect;
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boost::thread::attributes m_attrs;
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// background mining stuffs ..
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bool set_is_background_mining_enabled(bool is_background_mining_enabled);
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void set_ignore_battery(bool ignore_battery);
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bool background_worker_thread();
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std::atomic<bool> m_is_background_mining_enabled;
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bool m_ignore_battery;
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boost::mutex m_is_background_mining_enabled_mutex;
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boost::condition_variable m_is_background_mining_enabled_cond;
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std::atomic<bool> m_is_background_mining_started;
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boost::mutex m_is_background_mining_started_mutex;
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boost::condition_variable m_is_background_mining_started_cond;
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boost::thread m_background_mining_thread;
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uint64_t m_min_idle_seconds;
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uint8_t m_idle_threshold;
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uint8_t m_mining_target;
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std::atomic<uint64_t> m_miner_extra_sleep;
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static bool get_system_times(uint64_t& total_time, uint64_t& idle_time);
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static bool get_process_time(uint64_t& total_time);
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static uint8_t get_percent_of_total(uint64_t some_time, uint64_t total_time);
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static boost::logic::tribool on_battery_power();
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std::atomic<uint64_t> m_block_reward;
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};
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}
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