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413 lines
14 KiB
C++
413 lines
14 KiB
C++
// Copyright (c) 2014-2016, 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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#include <sstream>
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#include <numeric>
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#include <boost/utility/value_init.hpp>
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#include <boost/interprocess/detail/atomic.hpp>
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#include <boost/limits.hpp>
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#include <boost/foreach.hpp>
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#include "misc_language.h"
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#include "include_base_utils.h"
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#include "cryptonote_basic_impl.h"
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#include "cryptonote_format_utils.h"
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#include "file_io_utils.h"
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#include "common/command_line.h"
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#include "string_coding.h"
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#include "storages/portable_storage_template_helper.h"
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using namespace epee;
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#include "miner.h"
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extern "C" void slow_hash_allocate_state();
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extern "C" void slow_hash_free_state();
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namespace cryptonote
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{
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namespace
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{
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const command_line::arg_descriptor<std::string> arg_extra_messages = {"extra-messages-file", "Specify file for extra messages to include into coinbase transactions", "", true};
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const command_line::arg_descriptor<std::string> arg_start_mining = {"start-mining", "Specify wallet address to mining for", "", true};
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const command_line::arg_descriptor<uint32_t> arg_mining_threads = {"mining-threads", "Specify mining threads count", 0, true};
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}
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miner::miner(i_miner_handler* phandler):m_stop(1),
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m_template(boost::value_initialized<block>()),
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m_template_no(0),
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m_diffic(0),
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m_thread_index(0),
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m_phandler(phandler),
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m_height(0),
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m_pausers_count(0),
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m_threads_total(0),
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m_starter_nonce(0),
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m_last_hr_merge_time(0),
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m_hashes(0),
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m_do_print_hashrate(false),
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m_do_mining(false),
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m_current_hash_rate(0)
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{
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}
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//-----------------------------------------------------------------------------------------------------
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miner::~miner()
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{
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stop();
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}
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//-----------------------------------------------------------------------------------------------------
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bool miner::set_block_template(const block& bl, const difficulty_type& di, uint64_t height)
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{
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CRITICAL_REGION_LOCAL(m_template_lock);
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m_template = bl;
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m_diffic = di;
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m_height = height;
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++m_template_no;
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m_starter_nonce = crypto::rand<uint32_t>();
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return true;
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}
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//-----------------------------------------------------------------------------------------------------
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bool miner::on_block_chain_update()
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{
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if(!is_mining())
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return true;
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return request_block_template();
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}
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//-----------------------------------------------------------------------------------------------------
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bool miner::request_block_template()
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{
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block bl = AUTO_VAL_INIT(bl);
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difficulty_type di = AUTO_VAL_INIT(di);
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uint64_t height = AUTO_VAL_INIT(height);
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cryptonote::blobdata extra_nonce;
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if(m_extra_messages.size() && m_config.current_extra_message_index < m_extra_messages.size())
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{
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extra_nonce = m_extra_messages[m_config.current_extra_message_index];
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}
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if(!m_phandler->get_block_template(bl, m_mine_address, di, height, extra_nonce))
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{
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LOG_ERROR("Failed to get_block_template(), stopping mining");
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return false;
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}
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set_block_template(bl, di, height);
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return true;
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}
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//-----------------------------------------------------------------------------------------------------
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bool miner::on_idle()
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{
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m_update_block_template_interval.do_call([&](){
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if(is_mining())request_block_template();
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return true;
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});
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m_update_merge_hr_interval.do_call([&](){
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merge_hr();
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return true;
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});
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return true;
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}
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//-----------------------------------------------------------------------------------------------------
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void miner::do_print_hashrate(bool do_hr)
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{
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m_do_print_hashrate = do_hr;
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}
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//-----------------------------------------------------------------------------------------------------
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void miner::merge_hr()
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{
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if(m_last_hr_merge_time && is_mining())
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{
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m_current_hash_rate = m_hashes * 1000 / ((misc_utils::get_tick_count() - m_last_hr_merge_time + 1));
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CRITICAL_REGION_LOCAL(m_last_hash_rates_lock);
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m_last_hash_rates.push_back(m_current_hash_rate);
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if(m_last_hash_rates.size() > 19)
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m_last_hash_rates.pop_front();
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if(m_do_print_hashrate)
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{
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uint64_t total_hr = std::accumulate(m_last_hash_rates.begin(), m_last_hash_rates.end(), 0);
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float hr = static_cast<float>(total_hr)/static_cast<float>(m_last_hash_rates.size());
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std::cout << "hashrate: " << std::setprecision(4) << std::fixed << hr << ENDL;
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}
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}
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m_last_hr_merge_time = misc_utils::get_tick_count();
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m_hashes = 0;
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}
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//-----------------------------------------------------------------------------------------------------
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void miner::init_options(boost::program_options::options_description& desc)
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{
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command_line::add_arg(desc, arg_extra_messages);
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command_line::add_arg(desc, arg_start_mining);
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command_line::add_arg(desc, arg_mining_threads);
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}
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//-----------------------------------------------------------------------------------------------------
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bool miner::init(const boost::program_options::variables_map& vm, bool testnet)
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{
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if(command_line::has_arg(vm, arg_extra_messages))
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{
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std::string buff;
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bool r = file_io_utils::load_file_to_string(command_line::get_arg(vm, arg_extra_messages), buff);
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CHECK_AND_ASSERT_MES(r, false, "Failed to load file with extra messages: " << command_line::get_arg(vm, arg_extra_messages));
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std::vector<std::string> extra_vec;
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boost::split(extra_vec, buff, boost::is_any_of("\n"), boost::token_compress_on );
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m_extra_messages.resize(extra_vec.size());
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for(size_t i = 0; i != extra_vec.size(); i++)
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{
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string_tools::trim(extra_vec[i]);
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if(!extra_vec[i].size())
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continue;
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std::string buff = string_encoding::base64_decode(extra_vec[i]);
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if(buff != "0")
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m_extra_messages[i] = buff;
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}
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m_config_folder_path = boost::filesystem::path(command_line::get_arg(vm, arg_extra_messages)).parent_path().string();
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m_config = AUTO_VAL_INIT(m_config);
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epee::serialization::load_t_from_json_file(m_config, m_config_folder_path + "/" + MINER_CONFIG_FILE_NAME);
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LOG_PRINT_L0("Loaded " << m_extra_messages.size() << " extra messages, current index " << m_config.current_extra_message_index);
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}
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if(command_line::has_arg(vm, arg_start_mining))
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{
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if(!cryptonote::get_account_address_from_str(m_mine_address, testnet, command_line::get_arg(vm, arg_start_mining)))
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{
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LOG_ERROR("Target account address " << command_line::get_arg(vm, arg_start_mining) << " has wrong format, starting daemon canceled");
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return false;
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}
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m_threads_total = 1;
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m_do_mining = true;
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if(command_line::has_arg(vm, arg_mining_threads))
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{
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m_threads_total = command_line::get_arg(vm, arg_mining_threads);
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}
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}
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return true;
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}
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//-----------------------------------------------------------------------------------------------------
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bool miner::is_mining() const
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{
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return !m_stop;
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}
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//-----------------------------------------------------------------------------------------------------
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const account_public_address& miner::get_mining_address() const
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{
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return m_mine_address;
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}
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//-----------------------------------------------------------------------------------------------------
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uint32_t miner::get_threads_count() const {
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return m_threads_total;
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}
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//-----------------------------------------------------------------------------------------------------
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bool miner::start(const account_public_address& adr, size_t threads_count, const boost::thread::attributes& attrs)
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{
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m_mine_address = adr;
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m_threads_total = static_cast<uint32_t>(threads_count);
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m_starter_nonce = crypto::rand<uint32_t>();
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CRITICAL_REGION_LOCAL(m_threads_lock);
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if(is_mining())
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{
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LOG_ERROR("Starting miner but it's already started");
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return false;
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}
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if(!m_threads.empty())
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{
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LOG_ERROR("Unable to start miner because there are active mining threads");
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return false;
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}
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if(!m_template_no)
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request_block_template();//lets update block template
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boost::interprocess::ipcdetail::atomic_write32(&m_stop, 0);
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boost::interprocess::ipcdetail::atomic_write32(&m_thread_index, 0);
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for(size_t i = 0; i != threads_count; i++)
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{
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m_threads.push_back(boost::thread(attrs, boost::bind(&miner::worker_thread, this)));
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}
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LOG_PRINT_L0("Mining has started with " << threads_count << " threads, good luck!" );
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return true;
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}
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//-----------------------------------------------------------------------------------------------------
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uint64_t miner::get_speed() const
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{
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if(is_mining()) {
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return m_current_hash_rate;
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}
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else {
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return 0;
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}
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}
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//-----------------------------------------------------------------------------------------------------
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void miner::send_stop_signal()
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{
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boost::interprocess::ipcdetail::atomic_write32(&m_stop, 1);
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}
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//-----------------------------------------------------------------------------------------------------
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bool miner::stop()
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{
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LOG_PRINT_L1("Miner has received stop signal");
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if (!is_mining())
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{
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LOG_PRINT_L1("Not mining - nothing to stop" );
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return true;
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}
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send_stop_signal();
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CRITICAL_REGION_LOCAL(m_threads_lock);
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BOOST_FOREACH(boost::thread& th, m_threads)
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th.join();
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LOG_PRINT_L0("Mining has been stopped, " << m_threads.size() << " finished" );
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m_threads.clear();
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return true;
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}
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//-----------------------------------------------------------------------------------------------------
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bool miner::find_nonce_for_given_block(block& bl, const difficulty_type& diffic, uint64_t height)
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{
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for(; bl.nonce != std::numeric_limits<uint32_t>::max(); bl.nonce++)
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{
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crypto::hash h;
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get_block_longhash(bl, h, height);
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if(check_hash(h, diffic))
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{
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return true;
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}
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}
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return false;
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}
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//-----------------------------------------------------------------------------------------------------
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void miner::on_synchronized()
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{
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if(m_do_mining)
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{
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boost::thread::attributes attrs;
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attrs.set_stack_size(THREAD_STACK_SIZE);
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start(m_mine_address, m_threads_total, attrs);
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}
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}
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//-----------------------------------------------------------------------------------------------------
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void miner::pause()
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{
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CRITICAL_REGION_LOCAL(m_miners_count_lock);
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++m_pausers_count;
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if(m_pausers_count == 1 && is_mining())
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LOG_PRINT_L2("MINING PAUSED");
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}
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//-----------------------------------------------------------------------------------------------------
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void miner::resume()
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{
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CRITICAL_REGION_LOCAL(m_miners_count_lock);
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--m_pausers_count;
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if(m_pausers_count < 0)
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{
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m_pausers_count = 0;
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LOG_PRINT_RED_L0("Unexpected miner::resume() called");
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}
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if(!m_pausers_count && is_mining())
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LOG_PRINT_L2("MINING RESUMED");
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}
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//-----------------------------------------------------------------------------------------------------
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bool miner::worker_thread()
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{
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uint32_t th_local_index = boost::interprocess::ipcdetail::atomic_inc32(&m_thread_index);
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LOG_PRINT_L0("Miner thread was started ["<< th_local_index << "]");
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log_space::log_singletone::set_thread_log_prefix(std::string("[miner ") + std::to_string(th_local_index) + "]");
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uint32_t nonce = m_starter_nonce + th_local_index;
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uint64_t height = 0;
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difficulty_type local_diff = 0;
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uint32_t local_template_ver = 0;
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block b;
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slow_hash_allocate_state();
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while(!m_stop)
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{
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if(m_pausers_count)//anti split workaround
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{
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misc_utils::sleep_no_w(100);
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continue;
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}
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if(local_template_ver != m_template_no)
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{
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CRITICAL_REGION_BEGIN(m_template_lock);
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b = m_template;
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local_diff = m_diffic;
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height = m_height;
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CRITICAL_REGION_END();
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local_template_ver = m_template_no;
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nonce = m_starter_nonce + th_local_index;
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}
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if(!local_template_ver)//no any set_block_template call
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{
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LOG_PRINT_L2("Block template not set yet");
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epee::misc_utils::sleep_no_w(1000);
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continue;
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}
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b.nonce = nonce;
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crypto::hash h;
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get_block_longhash(b, h, height);
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if(check_hash(h, local_diff))
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{
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//we lucky!
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++m_config.current_extra_message_index;
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LOG_PRINT_GREEN("Found block for difficulty: " << local_diff, LOG_LEVEL_0);
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if(!m_phandler->handle_block_found(b))
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{
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--m_config.current_extra_message_index;
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}else
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{
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//success update, lets update config
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if (!m_config_folder_path.empty())
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epee::serialization::store_t_to_json_file(m_config, m_config_folder_path + "/" + MINER_CONFIG_FILE_NAME);
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}
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}
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nonce+=m_threads_total;
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++m_hashes;
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}
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slow_hash_free_state();
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LOG_PRINT_L0("Miner thread stopped ["<< th_local_index << "]");
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return true;
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}
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//-----------------------------------------------------------------------------------------------------
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}
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