393 lines
11 KiB
C++
393 lines
11 KiB
C++
/* XMRig
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* Copyright (c) 2018-2021 SChernykh <https://github.com/SChernykh>
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* Copyright (c) 2016-2021 XMRig <https://github.com/xmrig>, <support@xmrig.com>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <cinttypes>
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#include <iomanip>
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#include <sstream>
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#include <stdexcept>
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#include "base/net/stratum/EthStratumClient.h"
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#include "3rdparty/libethash/endian.h"
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#include "3rdparty/rapidjson/document.h"
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#include "3rdparty/rapidjson/error/en.h"
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#include "3rdparty/rapidjson/stringbuffer.h"
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#include "3rdparty/rapidjson/writer.h"
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#include "base/io/json/Json.h"
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#include "base/io/json/JsonRequest.h"
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#include "base/io/log/Log.h"
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#include "base/kernel/interfaces/IClientListener.h"
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#include "net/JobResult.h"
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xmrig::EthStratumClient::EthStratumClient(int id, const char *agent, IClientListener *listener) :
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Client(id, agent, listener)
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{
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}
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int64_t xmrig::EthStratumClient::submit(const JobResult& result)
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{
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# ifndef XMRIG_PROXY_PROJECT
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if ((m_state != ConnectedState) || !m_authorized) {
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return -1;
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}
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# endif
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if (result.diff == 0) {
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LOG_ERR("%s " RED("result.diff is 0"), tag());
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close();
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return -1;
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}
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using namespace rapidjson;
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Document doc(kObjectType);
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auto& allocator = doc.GetAllocator();
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Value params(kArrayType);
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params.PushBack(m_pool.user().toJSON(), allocator);
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params.PushBack(result.jobId.toJSON(), allocator);
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std::stringstream s;
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s << "0x" << std::hex << std::setw(16) << std::setfill('0') << result.nonce;
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params.PushBack(Value(s.str().c_str(), allocator), allocator);
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s.str(std::string());
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s << "0x";
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for (size_t i = 0; i < 32; ++i) {
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const uint32_t k = result.headerHash()[i];
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s << std::hex << std::setw(2) << std::setfill('0') << k;
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}
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params.PushBack(Value(s.str().c_str(), allocator), allocator);
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s.str(std::string());
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s << "0x";
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for (size_t i = 0; i < 32; ++i) {
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const uint32_t k = result.mixHash()[i];
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s << std::hex << std::setw(2) << std::setfill('0') << k;
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}
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params.PushBack(Value(s.str().c_str(), allocator), allocator);
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JsonRequest::create(doc, m_sequence, "mining.submit", params);
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uint64_t actual_diff = ethash_swap_u64(*((uint64_t*)result.result()));
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actual_diff = actual_diff ? (uint64_t(-1) / actual_diff) : 0;
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# ifdef XMRIG_PROXY_PROJECT
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m_results[m_sequence] = SubmitResult(m_sequence, result.diff, actual_diff, result.id, 0);
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# else
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m_results[m_sequence] = SubmitResult(m_sequence, result.diff, actual_diff, 0, result.backend);
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# endif
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return send(doc);
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}
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void xmrig::EthStratumClient::login()
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{
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m_results.clear();
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subscribe();
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authorize();
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}
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void xmrig::EthStratumClient::onClose()
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{
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m_authorized = false;
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Client::onClose();
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}
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bool xmrig::EthStratumClient::handleResponse(int64_t id, const rapidjson::Value &result, const rapidjson::Value &error)
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{
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auto it = m_callbacks.find(id);
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if (it != m_callbacks.end()) {
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const uint64_t elapsed = Chrono::steadyMSecs() - it->second.ts;
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if (error.IsArray() || error.IsObject() || error.IsString()) {
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it->second.callback(error, false, elapsed);
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}
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else {
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it->second.callback(result, true, elapsed);
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}
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m_callbacks.erase(it);
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return true;
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}
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return handleSubmitResponse(id, errorMessage(error));
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}
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void xmrig::EthStratumClient::parseNotification(const char *method, const rapidjson::Value ¶ms, const rapidjson::Value &)
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{
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if (strcmp(method, "mining.set_target") == 0) {
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return;
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}
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if (strcmp(method, "mining.set_extranonce") == 0) {
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if (!params.IsArray()) {
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LOG_ERR("%s " RED("invalid mining.set_extranonce notification: params is not an array"), tag());
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return;
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}
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auto arr = params.GetArray();
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if (arr.Empty()) {
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LOG_ERR("%s " RED("invalid mining.set_extranonce notification: params array is empty"), tag());
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return;
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}
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setExtraNonce(arr[0]);
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}
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if (strcmp(method, "mining.notify") == 0) {
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if (!params.IsArray()) {
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LOG_ERR("%s " RED("invalid mining.notify notification: params is not an array"), tag());
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return;
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}
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auto arr = params.GetArray();
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if (arr.Size() < 6) {
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LOG_ERR("%s " RED("invalid mining.notify notification: params array has wrong size"), tag());
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return;
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}
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Job job;
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job.setId(arr[0].GetString());
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auto algo = m_pool.algorithm();
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if (!algo.isValid()) {
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algo = m_pool.coin().algorithm();
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}
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job.setAlgorithm(algo);
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job.setExtraNonce(m_extraNonce.second);
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std::stringstream s;
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// header hash (32 bytes)
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s << arr[1].GetString();
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// nonce template (8 bytes)
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for (uint64_t i = 0, k = m_extraNonce.first; i < sizeof(m_extraNonce.first); ++i, k >>= 8) {
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s << std::hex << std::setw(2) << std::setfill('0') << (k & 0xFF);
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}
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std::string blob = s.str();
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// zeros up to 76 bytes
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blob.resize(76 * 2, '0');
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job.setBlob(blob.c_str());
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std::string target_str = arr[3].GetString();
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target_str.resize(16, '0');
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const uint64_t target = strtoull(target_str.c_str(), nullptr, 16);
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job.setDiff(Job::toDiff(target));
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job.setHeight(arr[5].GetUint64());
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bool ok = true;
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m_listener->onVerifyAlgorithm(this, algo, &ok);
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if (!ok) {
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if (!isQuiet()) {
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LOG_ERR("[%s] incompatible/disabled algorithm \"%s\" detected, reconnect", url(), algo.name());
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}
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close();
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return;
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}
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if (m_job != job) {
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m_job = std::move(job);
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// Workaround for nanopool.org, mining.notify received before mining.authorize response.
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if (!m_authorized) {
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m_authorized = true;
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m_listener->onLoginSuccess(this);
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}
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m_listener->onJobReceived(this, m_job, params);
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}
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else {
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if (!isQuiet()) {
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LOG_WARN("%s " YELLOW("duplicate job received, reconnect"), tag());
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}
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close();
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}
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}
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}
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void xmrig::EthStratumClient::setExtraNonce(const rapidjson::Value &nonce)
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{
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if (!nonce.IsString()) {
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throw std::runtime_error("invalid mining.subscribe response: extra nonce is not a string");
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}
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const char *s = nonce.GetString();
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size_t len = nonce.GetStringLength();
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// Skip "0x"
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if ((len >= 2) && (s[0] == '0') && (s[1] == 'x')) {
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s += 2;
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len -= 2;
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}
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if (len & 1) {
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throw std::runtime_error("invalid mining.subscribe response: extra nonce has an odd number of hex chars");
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}
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if (len > 8) {
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throw std::runtime_error("Invalid mining.subscribe response: extra nonce is too long");
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}
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std::string extra_nonce_str(s);
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extra_nonce_str.resize(16, '0');
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LOG_DEBUG("[%s] extra nonce set to %s", url(), s);
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m_extraNonce = { std::stoull(extra_nonce_str, nullptr, 16), s };
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}
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const char *xmrig::EthStratumClient::errorMessage(const rapidjson::Value &error) const
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{
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if (error.IsArray() && error.GetArray().Size() > 1) {
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auto &value = error.GetArray()[1];
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if (value.IsString()) {
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return value.GetString();
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}
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}
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if (error.IsString()) {
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return error.GetString();
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}
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if (error.IsObject()) {
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return Json::getString(error, "message");
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}
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return nullptr;
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}
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void xmrig::EthStratumClient::authorize()
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{
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using namespace rapidjson;
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Document doc(kObjectType);
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auto &allocator = doc.GetAllocator();
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Value params(kArrayType);
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params.PushBack(m_pool.user().toJSON(), allocator);
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params.PushBack(m_pool.password().toJSON(), allocator);
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JsonRequest::create(doc, m_sequence, "mining.authorize", params);
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send(doc, [this](const rapidjson::Value& result, bool success, uint64_t elapsed) { onAuthorizeResponse(result, success, elapsed); });
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}
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void xmrig::EthStratumClient::onAuthorizeResponse(const rapidjson::Value &result, bool success, uint64_t)
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{
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try {
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if (!success) {
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const auto message = errorMessage(result);
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if (message) {
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throw std::runtime_error(message);
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}
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throw std::runtime_error("mining.authorize call failed");
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}
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if (!result.IsBool()) {
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throw std::runtime_error("invalid mining.authorize response: result is not a boolean");
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}
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if (!result.GetBool()) {
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throw std::runtime_error("login failed");
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}
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} catch (const std::exception &ex) {
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LOG_ERR("%s " RED_BOLD("%s"), tag(), ex.what());
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close();
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return;
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}
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LOG_DEBUG("[%s] login succeeded", url());
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if (!m_authorized) {
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m_authorized = true;
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m_listener->onLoginSuccess(this);
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}
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}
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void xmrig::EthStratumClient::onSubscribeResponse(const rapidjson::Value &result, bool success, uint64_t)
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{
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if (!success) {
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return;
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}
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try {
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if (!result.IsArray()) {
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throw std::runtime_error("invalid mining.subscribe response: result is not an array");
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}
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if (result.GetArray().Size() <= 1) {
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throw std::runtime_error("invalid mining.subscribe response: result array is too short");
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}
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setExtraNonce(result.GetArray()[1]);
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if (m_pool.isNicehash()) {
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using namespace rapidjson;
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Document doc(kObjectType);
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Value params(kArrayType);
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JsonRequest::create(doc, m_sequence, "mining.extranonce.subscribe", params);
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send(doc);
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}
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} catch (const std::exception &ex) {
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LOG_ERR("%s " RED("%s"), tag(), ex.what());
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m_extraNonce = { 0, {} };
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}
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}
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void xmrig::EthStratumClient::subscribe()
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{
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using namespace rapidjson;
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Document doc(kObjectType);
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auto &allocator = doc.GetAllocator();
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Value params(kArrayType);
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params.PushBack(StringRef(agent()), allocator);
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JsonRequest::create(doc, m_sequence, "mining.subscribe", params);
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send(doc, [this](const rapidjson::Value& result, bool success, uint64_t elapsed) { onSubscribeResponse(result, success, elapsed); });
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}
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