277 lines
8.5 KiB
C++
277 lines
8.5 KiB
C++
|
// Copyright (c) 2012-2015, The CryptoNote developers, The Bytecoin developers
|
||
|
//
|
||
|
// This file is part of Bytecoin.
|
||
|
//
|
||
|
// Bytecoin is free software: you can redistribute it and/or modify
|
||
|
// it under the terms of the GNU Lesser General Public License as published by
|
||
|
// the Free Software Foundation, either version 3 of the License, or
|
||
|
// (at your option) any later version.
|
||
|
//
|
||
|
// Bytecoin is distributed in the hope that it will be useful,
|
||
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||
|
// GNU Lesser General Public License for more details.
|
||
|
//
|
||
|
// You should have received a copy of the GNU Lesser General Public License
|
||
|
// along with Bytecoin. If not, see <http://www.gnu.org/licenses/>.
|
||
|
|
||
|
#include "MinerManager.h"
|
||
|
|
||
|
#include <System/EventLock.h>
|
||
|
#include <System/InterruptedException.h>
|
||
|
#include <System/Timer.h>
|
||
|
|
||
|
#include "Common/StringTools.h"
|
||
|
#include "CryptoNoteConfig.h"
|
||
|
#include "CryptoNoteCore/CryptoNoteTools.h"
|
||
|
#include "CryptoNoteCore/CryptoNoteFormatUtils.h"
|
||
|
#include "CryptoNoteCore/TransactionExtra.h"
|
||
|
#include "Rpc/HttpClient.h"
|
||
|
#include "Rpc/CoreRpcServerCommandsDefinitions.h"
|
||
|
#include "Rpc/JsonRpc.h"
|
||
|
|
||
|
using namespace CryptoNote;
|
||
|
|
||
|
namespace Miner {
|
||
|
|
||
|
namespace {
|
||
|
|
||
|
MinerEvent BlockMinedEvent() {
|
||
|
MinerEvent event;
|
||
|
event.type = MinerEventType::BLOCK_MINED;
|
||
|
return event;
|
||
|
}
|
||
|
|
||
|
MinerEvent BlockchainUpdatedEvent() {
|
||
|
MinerEvent event;
|
||
|
event.type = MinerEventType::BLOCKCHAIN_UPDATED;
|
||
|
return event;
|
||
|
}
|
||
|
|
||
|
void adjustMergeMiningTag(Block& blockTemplate) {
|
||
|
if (blockTemplate.majorVersion == BLOCK_MAJOR_VERSION_2) {
|
||
|
CryptoNote::TransactionExtraMergeMiningTag mmTag;
|
||
|
mmTag.depth = 0;
|
||
|
if (!CryptoNote::get_aux_block_header_hash(blockTemplate, mmTag.merkleRoot)) {
|
||
|
throw std::runtime_error("Couldn't get block header hash");
|
||
|
}
|
||
|
|
||
|
blockTemplate.parentBlock.baseTransaction.extra.clear();
|
||
|
if (!CryptoNote::appendMergeMiningTagToExtra(blockTemplate.parentBlock.baseTransaction.extra, mmTag)) {
|
||
|
throw std::runtime_error("Couldn't append merge mining tag");
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
|
||
|
}
|
||
|
|
||
|
MinerManager::MinerManager(System::Dispatcher& dispatcher, const CryptoNote::MiningConfig& config, Logging::ILogger& logger) :
|
||
|
m_dispatcher(dispatcher),
|
||
|
m_logger(logger, "MinerManager"),
|
||
|
m_contextGroup(dispatcher),
|
||
|
m_config(config),
|
||
|
m_miner(dispatcher, logger),
|
||
|
m_blockchainMonitor(dispatcher, m_config.daemonHost, m_config.daemonPort, m_config.scanPeriod, logger),
|
||
|
m_eventOccurred(dispatcher),
|
||
|
m_httpEvent(dispatcher),
|
||
|
m_lastBlockTimestamp(0) {
|
||
|
|
||
|
m_httpEvent.set();
|
||
|
}
|
||
|
|
||
|
MinerManager::~MinerManager() {
|
||
|
}
|
||
|
|
||
|
void MinerManager::start() {
|
||
|
m_logger(Logging::DEBUGGING) << "starting";
|
||
|
|
||
|
BlockMiningParameters params;
|
||
|
for (;;) {
|
||
|
m_logger(Logging::INFO) << "requesting mining parameters";
|
||
|
|
||
|
try {
|
||
|
params = requestMiningParameters(m_dispatcher, m_config.daemonHost, m_config.daemonPort, m_config.miningAddress);
|
||
|
} catch (ConnectException& e) {
|
||
|
m_logger(Logging::WARNING) << "Couldn't connect to daemon: " << e.what();
|
||
|
System::Timer timer(m_dispatcher);
|
||
|
timer.sleep(std::chrono::seconds(m_config.scanPeriod));
|
||
|
continue;
|
||
|
}
|
||
|
|
||
|
adjustBlockTemplate(params.blockTemplate);
|
||
|
break;
|
||
|
}
|
||
|
|
||
|
startBlockchainMonitoring();
|
||
|
startMining(params);
|
||
|
|
||
|
eventLoop();
|
||
|
}
|
||
|
|
||
|
void MinerManager::eventLoop() {
|
||
|
size_t blocksMined = 0;
|
||
|
|
||
|
for (;;) {
|
||
|
m_logger(Logging::DEBUGGING) << "waiting for event";
|
||
|
MinerEvent event = waitEvent();
|
||
|
|
||
|
switch (event.type) {
|
||
|
case MinerEventType::BLOCK_MINED: {
|
||
|
m_logger(Logging::DEBUGGING) << "got BLOCK_MINED event";
|
||
|
stopBlockchainMonitoring();
|
||
|
|
||
|
if (submitBlock(m_minedBlock, m_config.daemonHost, m_config.daemonPort)) {
|
||
|
m_lastBlockTimestamp = m_minedBlock.timestamp;
|
||
|
|
||
|
if (m_config.blocksLimit != 0 && ++blocksMined == m_config.blocksLimit) {
|
||
|
m_logger(Logging::INFO) << "Miner mined requested " << m_config.blocksLimit << " blocks. Quitting";
|
||
|
return;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
BlockMiningParameters params = requestMiningParameters(m_dispatcher, m_config.daemonHost, m_config.daemonPort, m_config.miningAddress);
|
||
|
adjustBlockTemplate(params.blockTemplate);
|
||
|
|
||
|
startBlockchainMonitoring();
|
||
|
startMining(params);
|
||
|
break;
|
||
|
}
|
||
|
|
||
|
case MinerEventType::BLOCKCHAIN_UPDATED: {
|
||
|
m_logger(Logging::DEBUGGING) << "got BLOCKCHAIN_UPDATED event";
|
||
|
stopMining();
|
||
|
stopBlockchainMonitoring();
|
||
|
BlockMiningParameters params = requestMiningParameters(m_dispatcher, m_config.daemonHost, m_config.daemonPort, m_config.miningAddress);
|
||
|
adjustBlockTemplate(params.blockTemplate);
|
||
|
|
||
|
startBlockchainMonitoring();
|
||
|
startMining(params);
|
||
|
break;
|
||
|
}
|
||
|
|
||
|
default:
|
||
|
assert(false);
|
||
|
return;
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
|
||
|
MinerEvent MinerManager::waitEvent() {
|
||
|
while(m_events.empty()) {
|
||
|
m_eventOccurred.wait();
|
||
|
m_eventOccurred.clear();
|
||
|
}
|
||
|
|
||
|
MinerEvent event = std::move(m_events.front());
|
||
|
m_events.pop();
|
||
|
|
||
|
return event;
|
||
|
}
|
||
|
|
||
|
void MinerManager::pushEvent(MinerEvent&& event) {
|
||
|
m_events.push(std::move(event));
|
||
|
m_eventOccurred.set();
|
||
|
}
|
||
|
|
||
|
void MinerManager::startMining(const CryptoNote::BlockMiningParameters& params) {
|
||
|
m_contextGroup.spawn([this, params] () {
|
||
|
try {
|
||
|
m_minedBlock = m_miner.mine(params, m_config.threadCount);
|
||
|
pushEvent(BlockMinedEvent());
|
||
|
} catch (System::InterruptedException&) {
|
||
|
} catch (std::exception& e) {
|
||
|
m_logger(Logging::ERROR) << "Miner context unexpectedly finished: " << e.what();
|
||
|
}
|
||
|
});
|
||
|
}
|
||
|
|
||
|
void MinerManager::stopMining() {
|
||
|
m_miner.stop();
|
||
|
}
|
||
|
|
||
|
void MinerManager::startBlockchainMonitoring() {
|
||
|
m_contextGroup.spawn([this] () {
|
||
|
try {
|
||
|
m_blockchainMonitor.waitBlockchainUpdate();
|
||
|
pushEvent(BlockchainUpdatedEvent());
|
||
|
} catch (System::InterruptedException&) {
|
||
|
} catch (std::exception& e) {
|
||
|
m_logger(Logging::ERROR) << "BlockchainMonitor context unexpectedly finished: " << e.what();
|
||
|
}
|
||
|
});
|
||
|
}
|
||
|
|
||
|
void MinerManager::stopBlockchainMonitoring() {
|
||
|
m_blockchainMonitor.stop();
|
||
|
}
|
||
|
|
||
|
bool MinerManager::submitBlock(const Block& minedBlock, const std::string& daemonHost, uint16_t daemonPort) {
|
||
|
try {
|
||
|
HttpClient client(m_dispatcher, daemonHost, daemonPort);
|
||
|
|
||
|
COMMAND_RPC_SUBMITBLOCK::request request;
|
||
|
request.emplace_back(Common::toHex(toBinaryArray(minedBlock)));
|
||
|
|
||
|
COMMAND_RPC_SUBMITBLOCK::response response;
|
||
|
|
||
|
System::EventLock lk(m_httpEvent);
|
||
|
JsonRpc::invokeJsonRpcCommand(client, "submitblock", request, response);
|
||
|
|
||
|
m_logger(Logging::INFO) << "Block has been successfully submitted. Block hash: " << Common::podToHex(get_block_hash(minedBlock));
|
||
|
return true;
|
||
|
} catch (std::exception& e) {
|
||
|
m_logger(Logging::WARNING) << "Couldn't submit block: " << Common::podToHex(get_block_hash(minedBlock)) << ", reason: " << e.what();
|
||
|
return false;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
BlockMiningParameters MinerManager::requestMiningParameters(System::Dispatcher& dispatcher, const std::string& daemonHost, uint16_t daemonPort, const std::string& miningAddress) {
|
||
|
try {
|
||
|
HttpClient client(dispatcher, daemonHost, daemonPort);
|
||
|
|
||
|
COMMAND_RPC_GETBLOCKTEMPLATE::request request;
|
||
|
request.wallet_address = miningAddress;
|
||
|
request.reserve_size = 0;
|
||
|
|
||
|
COMMAND_RPC_GETBLOCKTEMPLATE::response response;
|
||
|
|
||
|
System::EventLock lk(m_httpEvent);
|
||
|
JsonRpc::invokeJsonRpcCommand(client, "getblocktemplate", request, response);
|
||
|
|
||
|
if (response.status != CORE_RPC_STATUS_OK) {
|
||
|
throw std::runtime_error("Core responded with wrong status: " + response.status);
|
||
|
}
|
||
|
|
||
|
BlockMiningParameters params;
|
||
|
params.difficulty = response.difficulty;
|
||
|
|
||
|
if(!fromBinaryArray(params.blockTemplate, Common::fromHex(response.blocktemplate_blob))) {
|
||
|
throw std::runtime_error("Couldn't deserialize block template");
|
||
|
}
|
||
|
|
||
|
m_logger(Logging::DEBUGGING) << "Requested block template with previous block hash: " << Common::podToHex(params.blockTemplate.previousBlockHash);
|
||
|
return params;
|
||
|
} catch (std::exception& e) {
|
||
|
m_logger(Logging::WARNING) << "Couldn't get block template: " << e.what();
|
||
|
throw;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
|
||
|
void MinerManager::adjustBlockTemplate(CryptoNote::Block& blockTemplate) const {
|
||
|
adjustMergeMiningTag(blockTemplate);
|
||
|
|
||
|
if (m_config.firstBlockTimestamp == 0) {
|
||
|
//no need to fix timestamp
|
||
|
return;
|
||
|
}
|
||
|
|
||
|
if (m_lastBlockTimestamp == 0) {
|
||
|
blockTemplate.timestamp = m_config.firstBlockTimestamp;
|
||
|
} else if (m_lastBlockTimestamp != 0 && m_config.blockTimestampInterval != 0) {
|
||
|
blockTemplate.timestamp = m_lastBlockTimestamp + m_config.blockTimestampInterval;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
} //namespace Miner
|