a free Monero desktop wallet
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// SPDX-License-Identifier: BSD-3-Clause
// Copyright (c) 2020, The Monero Project.
#include <QtCore>
#include <QScreen>
#include <QDesktopWidget>
#include <QProcess>
#include <QDesktopServices>
#include "utils/utils.h"
#include "utils/xmrig.h"
#include "appcontext.h"
XmRig::XmRig(const QString &configDir, QObject *parent) : QObject(parent) {
this->rigDir = QDir(configDir).filePath("xmrig");
}
void XmRig::prepare() {
// unpack and set process signals
if(!this->unpackBins()) {
qCritical() << "failed to write XMRig to config directory";
return;
}
m_process.setProcessChannelMode(QProcess::MergedChannels);
connect(&m_process, &QProcess::readyReadStandardOutput, this, &XmRig::handleProcessOutput);
connect(&m_process, &QProcess::errorOccurred, this, &XmRig::handleProcessError);
connect(&m_process, &QProcess::stateChanged, this, &XmRig::stateChanged);
}
void XmRig::stop() {
if(m_process.state() == QProcess::Running)
m_process.kill();
}
void XmRig::terminate() {
if(m_process.state() == QProcess::Running)
m_process.terminate();
}
void XmRig::start(const QString &path,
unsigned int threads,
const QString &address,
const QString &username,
const QString &password,
bool tor, bool tls) {
auto state = m_process.state();
if (state == QProcess::ProcessState::Running || state == QProcess::ProcessState::Starting) {
emit error("Can't start XMRig, already running or starting");
return;
}
if(path.isEmpty()) {
emit error("XmRig->Start path parameter missing.");
return;
}
if(!Utils::fileExists(path)) {
emit error(QString("Path to XMRig binary invalid; file does not exist: %1").arg(path));
return;
}
QStringList arguments;
arguments << "-o" << address;
arguments << "-a" << "rx/0";
arguments << "-u" << username;
if(!password.isEmpty())
arguments << "-p" << password;
arguments << "--no-color";
arguments << "-t" << QString::number(threads);
if(tor)
arguments << "-x" << QString("%1:%2").arg(Tor::torHost).arg(Tor::torPort);
if(tls)
arguments << "--tls";
QString cmd = QString("%1 %2").arg(path, arguments.join(" "));
emit output(cmd.toUtf8());
m_process.start(path, arguments);
}
void XmRig::stateChanged(QProcess::ProcessState state) {
if(state == QProcess::ProcessState::Running)
emit output("XMRig started");
else if (state == QProcess::ProcessState::NotRunning)
emit output("XMRig stopped");
}
void XmRig::handleProcessOutput() {
QByteArray _output = m_process.readAllStandardOutput();
if(_output.contains("miner") && _output.contains("speed")) {
// detect hashrate
auto str = Utils::barrayToString(_output);
auto spl = str.mid(str.indexOf("speed")).split(" ");
auto rate = spl.at(2) + "H/s";
qDebug() << "mining hashrate: " << rate;
emit hashrate(rate);
}
emit output(_output);
}
void XmRig::handleProcessError(QProcess::ProcessError err) {
if (err == QProcess::ProcessError::Crashed)
emit error("XMRig crashed or killed");
else if (err == QProcess::ProcessError::FailedToStart) {
auto path = config()->get(Config::xmrigPath).toString();
emit error(QString("XMRig binary failed to start: %1").arg(path));
}
}
bool XmRig::unpackBins() {
QString rigFile;
rigFile = ":/assets/exec/xmrig";
if (!Utils::fileExists(rigFile))
return false;
// write to disk
QFile f(rigFile);
QFileInfo fileInfo(f);
this->rigPath = QDir(this->rigDir).filePath(fileInfo.fileName());
qDebug() << "Writing XMRig executable to " << this->rigPath;
f.copy(rigPath);
f.close();
#if defined(Q_OS_UNIX)
QFile torBin(this->rigPath);
torBin.setPermissions(QFile::ExeGroup | QFile::ExeOther | QFile::ExeOther | QFile::ExeUser);
#endif
return true;
}