p2pool/src/stratum_server.h

157 lines
3.8 KiB
C++

/*
* This file is part of the Monero P2Pool <https://github.com/SChernykh/p2pool>
* Copyright (c) 2021 SChernykh <https://github.com/SChernykh>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, version 3.
*
* This program 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
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once
#include "tcp_server.h"
#include <rapidjson/document.h>
#include <random>
namespace p2pool {
class p2pool;
class BlockTemplate;
static constexpr size_t STRATUM_BUF_SIZE = log::Stream::BUF_SIZE + 1;
class StratumServer : public TCPServer<STRATUM_BUF_SIZE, STRATUM_BUF_SIZE>
{
public:
explicit StratumServer(p2pool *pool);
~StratumServer();
void on_block(const BlockTemplate& block);
struct StratumClient : public Client
{
StratumClient();
~StratumClient();
static Client* allocate() { return new StratumClient(); }
void reset() override;
bool on_connect() override { return true; }
bool on_read(char* data, uint32_t size) override;
bool process_request(char* data, uint32_t size);
bool process_login(rapidjson::Document& doc, uint32_t id);
bool process_submit(rapidjson::Document& doc, uint32_t id);
uint32_t m_rpcId;
uv_mutex_t m_jobsLock;
struct SavedJob {
uint32_t job_id;
uint32_t extra_nonce;
uint32_t template_id;
uint64_t target;
} m_jobs[4];
uint32_t m_perConnectionJobId;
difficulty_type m_customDiff;
};
bool on_login(StratumClient* client, uint32_t id, const char* login);
bool on_submit(StratumClient* client, uint32_t id, const char* job_id_str, const char* nonce_str, const char* result_str);
uint64_t get_random64();
void print_status() override;
private:
void print_stratum_status() const;
static bool get_custom_diff(const char* s, difficulty_type& diff);
static void on_share_found(uv_work_t* req);
static void on_after_share_found(uv_work_t* req, int status);
p2pool* m_pool;
struct BlobsData
{
std::vector<uint8_t> m_blobs;
size_t m_blobSize;
uint64_t m_target;
uint32_t m_numClientsExpected;
uint32_t m_templateId;
uint64_t m_height;
hash m_seedHash;
};
uv_mutex_t m_blobsQueueLock;
uv_async_t m_blobsAsync;
std::vector<BlobsData*> m_blobsQueue;
static void on_blobs_ready(uv_async_t* handle) { reinterpret_cast<StratumServer*>(handle->data)->on_blobs_ready(); }
void on_blobs_ready();
std::atomic<uint32_t> m_extraNonce;
uv_mutex_t m_rngLock;
std::random_device m_rd;
std::mt19937_64 m_rng;
struct SubmittedShare
{
uv_work_t m_req;
StratumServer* m_server;
StratumClient* m_client;
uint32_t m_clientResetCounter;
uint32_t m_rpcId;
uint32_t m_id;
uint32_t m_templateId;
uint32_t m_nonce;
uint32_t m_extraNonce;
uint64_t m_target;
hash m_resultHash;
enum class Result {
STALE,
COULDNT_CHECK_POW,
LOW_DIFF,
INVALID_POW,
OK
} m_result;
};
uv_mutex_t m_submittedSharesPoolLock;
std::vector<SubmittedShare*> m_submittedSharesPool;
struct HashrateData
{
time_t m_timestamp;
uint64_t m_cumulativeHashes;
};
mutable uv_rwlock_t m_hashrateDataLock;
HashrateData m_hashrateData[131072];
uint64_t m_cumulativeHashes;
uint64_t m_cumulativeHashesAtLastShare;
uint64_t m_hashrateDataHead;
uint64_t m_hashrateDataTail_15m;
uint64_t m_hashrateDataTail_1h;
uint64_t m_hashrateDataTail_24h;
double m_cumulativeFoundSharesDiff;
uint32_t m_totalFoundShares;
void update_hashrate_data(uint64_t target);
};
} // namespace p2pool