forked from lthn/blockchain
134 lines
4.4 KiB
C++
134 lines
4.4 KiB
C++
// Copyright (c) 2014-2025 Zano Project
|
|
// Copyright (c) 2014-2018 The Louisdor Project
|
|
// Copyright (c) 2012-2013 The Cryptonote developers
|
|
// Copyright (c) 2012-2013 The Boolberry developers
|
|
// Distributed under the MIT/X11 software license, see the accompanying
|
|
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
|
|
|
|
#pragma once
|
|
|
|
#ifdef TESTNET
|
|
#define CPU_MINING_ENABLED // disable CPU mining capabilities in mainnet
|
|
#endif // #ifndef TESTNET
|
|
|
|
#include <boost/atomic.hpp>
|
|
#include <boost/program_options.hpp>
|
|
#include <atomic>
|
|
#include "currency_basic.h"
|
|
#include "difficulty.h"
|
|
#include "math_helper.h"
|
|
#include "blockchain_storage.h"
|
|
#include "basic_pow_helpers.h"
|
|
|
|
|
|
|
|
namespace currency
|
|
{
|
|
|
|
struct i_miner_handler
|
|
{
|
|
virtual bool handle_block_found(const block& b, block_verification_context* p_verification_result = nullptr) = 0;
|
|
virtual bool get_block_template(const create_block_template_params& params, create_block_template_response& resp) = 0;
|
|
virtual bool get_block_template(block& b, const account_public_address& adr, const account_public_address& stakeholder_address, wide_difficulty_type& diffic, uint64_t& height, const blobdata& ex_nonce, bool pos = false, const pos_entry& pe = pos_entry()) = 0;
|
|
protected:
|
|
~i_miner_handler(){};
|
|
};
|
|
|
|
inline
|
|
static bool find_nonce_for_given_block(block& bl, const wide_difficulty_type& diffic, uint64_t height)
|
|
{
|
|
bl.nonce = 0;
|
|
blobdata bd = get_block_hashing_blob(bl);
|
|
crypto::hash bd_hash = crypto::cn_fast_hash(bd.data(), bd.size());
|
|
//uint64_t& nonce_ref = access_nonce_in_block_blob(bd);
|
|
//nonce_ref = 0;
|
|
|
|
for(; bl.nonce != std::numeric_limits<uint64_t>::max(); bl.nonce++)
|
|
{
|
|
crypto::hash h = get_block_longhash(height, bd_hash, bl.nonce);
|
|
if(check_hash(h, diffic))
|
|
{
|
|
LOG_PRINT_L1("Found nonce for block: " << get_block_hash(bl) << "[" << height << "]: PoW:" << h << " (diff:" << diffic << "), ts: " << bl.timestamp);
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
#ifdef CPU_MINING_ENABLED
|
|
|
|
/************************************************************************/
|
|
/* */
|
|
/************************************************************************/
|
|
class miner
|
|
{
|
|
public:
|
|
miner(i_miner_handler* phandler, blockchain_storage& bc);
|
|
~miner();
|
|
bool init(const boost::program_options::variables_map& vm);
|
|
bool deinit();
|
|
static void init_options(boost::program_options::options_description& desc);
|
|
bool on_block_chain_update();
|
|
bool start(const account_public_address& adr, size_t threads_count);
|
|
uint64_t get_speed();
|
|
void send_stop_signal();
|
|
bool stop();
|
|
bool is_mining();
|
|
bool on_idle();
|
|
void on_synchronized();
|
|
//synchronous analog (for fast calls)
|
|
void pause();
|
|
void resume();
|
|
void do_print_hashrate(bool do_hr);
|
|
|
|
private:
|
|
bool set_block_template(const block& bl, const wide_difficulty_type& diffic, uint64_t height);
|
|
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;
|
|
wide_difficulty_type m_diffic;
|
|
std::atomic<uint64_t> m_height;
|
|
volatile uint32_t m_thread_index;
|
|
volatile uint32_t m_threads_total;
|
|
std::atomic<int32_t> m_pausers_count;
|
|
std::atomic<bool> m_block_template_ready;
|
|
epee::critical_section m_miners_count_lock;
|
|
|
|
std::list<boost::thread> m_threads;
|
|
epee::critical_section m_threads_lock;
|
|
i_miner_handler* m_phandler;
|
|
//blockchain_storage& m_bc;
|
|
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;
|
|
std::string m_template_extra_text;
|
|
std::atomic<uint64_t> m_current_hash_rate;
|
|
std::atomic<uint64_t> m_last_hr_merge_time;
|
|
std::atomic<uint64_t> m_hashes;
|
|
bool m_do_print_hashrate;
|
|
bool m_do_mining;
|
|
|
|
};
|
|
|
|
#endif // #ifdef CPU_MINING_ENABLED
|
|
|
|
} // namespace currency
|