diff options
Diffstat (limited to 'src/cryptonote_basic/miner.h')
-rw-r--r-- | src/cryptonote_basic/miner.h | 169 |
1 files changed, 169 insertions, 0 deletions
diff --git a/src/cryptonote_basic/miner.h b/src/cryptonote_basic/miner.h new file mode 100644 index 000000000..a66083ead --- /dev/null +++ b/src/cryptonote_basic/miner.h @@ -0,0 +1,169 @@ +// Copyright (c) 2014-2016, The Monero Project +// +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without modification, are +// permitted provided that the following conditions are met: +// +// 1. Redistributions of source code must retain the above copyright notice, this list of +// conditions and the following disclaimer. +// +// 2. Redistributions in binary form must reproduce the above copyright notice, this list +// of conditions and the following disclaimer in the documentation and/or other +// materials provided with the distribution. +// +// 3. Neither the name of the copyright holder nor the names of its contributors may be +// used to endorse or promote products derived from this software without specific +// prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY +// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF +// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL +// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, +// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS +// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, +// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF +// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +// +// Parts of this file are originally copyright (c) 2012-2013 The Cryptonote developers + +#pragma once + +#include <boost/program_options.hpp> +#include <atomic> +#include "cryptonote_basic.h" +#include "difficulty.h" +#include "math_helper.h" +#ifdef _WIN32 +#include <windows.h> +#elif defined(__linux__) +#include <unistd.h> +#include <sys/resource.h> +#include <sys/times.h> +#include <time.h> +#endif + +namespace cryptonote +{ + + struct i_miner_handler + { + virtual bool handle_block_found(block& b) = 0; + virtual bool get_block_template(block& b, const account_public_address& adr, difficulty_type& diffic, uint64_t& height, const blobdata& ex_nonce) = 0; + protected: + ~i_miner_handler(){}; + }; + + /************************************************************************/ + /* */ + /************************************************************************/ + class miner + { + public: + miner(i_miner_handler* phandler); + ~miner(); + bool init(const boost::program_options::variables_map& vm, bool testnet); + static void init_options(boost::program_options::options_description& desc); + bool set_block_template(const block& bl, const difficulty_type& diffic, uint64_t height); + bool on_block_chain_update(); + bool start(const account_public_address& adr, size_t threads_count, const boost::thread::attributes& attrs, bool do_background = false); + uint64_t get_speed() const; + uint32_t get_threads_count() const; + void send_stop_signal(); + bool stop(); + bool is_mining() const; + const account_public_address& get_mining_address() const; + bool on_idle(); + void on_synchronized(); + //synchronous analog (for fast calls) + static bool find_nonce_for_given_block(block& bl, const difficulty_type& diffic, uint64_t height); + void pause(); + void resume(); + void do_print_hashrate(bool do_hr); + bool get_is_background_mining_enabled() const; + uint64_t get_min_idle_seconds() const; + bool set_min_idle_seconds(uint64_t min_idle_seconds); + uint8_t get_idle_threshold() const; + bool set_idle_threshold(uint8_t idle_threshold); + uint8_t get_mining_target() const; + bool set_mining_target(uint8_t mining_target); + + static constexpr uint8_t BACKGROUND_MINING_DEFAULT_IDLE_THRESHOLD_PERCENTAGE = 90; + static constexpr uint8_t BACKGROUND_MINING_MIN_IDLE_THRESHOLD_PERCENTAGE = 50; + static constexpr uint8_t BACKGROUND_MINING_MAX_IDLE_THRESHOLD_PERCENTAGE = 99; + static constexpr uint16_t BACKGROUND_MINING_DEFAULT_MIN_IDLE_INTERVAL_IN_SECONDS = 10; + static constexpr uint16_t BACKGROUND_MINING_MIN_MIN_IDLE_INTERVAL_IN_SECONDS = 10; + static constexpr uint16_t BACKGROUND_MINING_MAX_MIN_IDLE_INTERVAL_IN_SECONDS = 3600; + static constexpr uint8_t BACKGROUND_MINING_DEFAULT_MINING_TARGET_PERCENTAGE = 40; + static constexpr uint8_t BACKGROUND_MINING_MIN_MINING_TARGET_PERCENTAGE = 5; + static constexpr uint8_t BACKGROUND_MINING_MAX_MINING_TARGET_PERCENTAGE = 50; + static constexpr uint8_t BACKGROUND_MINING_MINER_MONITOR_INVERVAL_IN_SECONDS = 10; + static constexpr uint64_t BACKGROUND_MINING_DEFAULT_MINER_EXTRA_SLEEP_MILLIS = 400; // ramp up + static constexpr uint64_t BACKGROUND_MINING_MIN_MINER_EXTRA_SLEEP_MILLIS = 5; + + private: + bool worker_thread(); + bool request_block_template(); + void merge_hr(); + + struct miner_config + { + uint64_t current_extra_message_index; + + BEGIN_KV_SERIALIZE_MAP() + KV_SERIALIZE(current_extra_message_index) + END_KV_SERIALIZE_MAP() + }; + + + volatile uint32_t m_stop; + epee::critical_section m_template_lock; + block m_template; + std::atomic<uint32_t> m_template_no; + std::atomic<uint32_t> m_starter_nonce; + difficulty_type m_diffic; + uint64_t m_height; + volatile uint32_t m_thread_index; + volatile uint32_t m_threads_total; + std::atomic<int32_t> m_pausers_count; + epee::critical_section m_miners_count_lock; + + std::list<boost::thread> m_threads; + epee::critical_section m_threads_lock; + i_miner_handler* m_phandler; + account_public_address m_mine_address; + epee::math_helper::once_a_time_seconds<5> m_update_block_template_interval; + epee::math_helper::once_a_time_seconds<2> m_update_merge_hr_interval; + std::vector<blobdata> m_extra_messages; + miner_config m_config; + std::string m_config_folder_path; + std::atomic<uint64_t> m_last_hr_merge_time; + std::atomic<uint64_t> m_hashes; + std::atomic<uint64_t> m_current_hash_rate; + epee::critical_section m_last_hash_rates_lock; + std::list<uint64_t> m_last_hash_rates; + bool m_do_print_hashrate; + bool m_do_mining; + + // background mining stuffs .. + + bool set_is_background_mining_enabled(bool is_background_mining_enabled); + bool background_worker_thread(); + std::atomic<bool> m_is_background_mining_enabled; + boost::mutex m_is_background_mining_enabled_mutex; + boost::condition_variable m_is_background_mining_enabled_cond; + std::atomic<bool> m_is_background_mining_started; + boost::mutex m_is_background_mining_started_mutex; + boost::condition_variable m_is_background_mining_started_cond; + boost::thread m_background_mining_thread; + uint64_t m_min_idle_seconds; + uint8_t m_idle_threshold; + uint8_t m_mining_target; + std::atomic<uint64_t> m_miner_extra_sleep; + static bool get_system_times(uint64_t& total_time, uint64_t& idle_time); + static bool get_process_time(uint64_t& total_time); + static uint8_t get_percent_of_total(uint64_t some_time, uint64_t total_time); + static bool on_battery_power(); + }; +} |