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qml: added onboardingmodel files to manage the onboarding process especially custom datadir setting and placeholders for optionsModel
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‎src/qml/models/onboardingmodel.cpp

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// Copyright (c) 2024 The Bitcoin Core developers
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// Distributed under the MIT software license, see the accompanying
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// file COPYING or http://www.opensource.org/licenses/mit-license.php.
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#include <qml/models/onboardingmodel.h>
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#include <common/args.h>
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#include <common/settings.h>
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#include <common/settings.h>
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#include <common/system.h>
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#include <qt/guiconstants.h>
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#include <qt/guiutil.h>
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#include <util/fs.h>
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#include <util/fs_helpers.h>
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#include <QDebug>
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#include <QDir>
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#include <QSettings>
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OnboardingModel::OnboardingModel()
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{
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// This is to reset the data directory to the default
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gArgs.LockSettings([&](common::Settings& s) { m_previous_settings = s; });
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// Initiate prune settings
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m_prune = false;
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}
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void OnboardingModel::setDbcacheSizeMiB(int new_dbcache_size_mib)
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{
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if (new_dbcache_size_mib != m_dbcache_size_mib) {
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m_dbcache_size_mib = new_dbcache_size_mib;
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// // qDebug () << "Dbcache Size Set: " << new_dbcache_size_mib;
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Q_EMIT dbcacheSizeMiBChanged(new_dbcache_size_mib);
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}
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}
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void OnboardingModel::setListen(bool new_listen)
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{
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if (new_listen != m_listen) {
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m_listen = new_listen;
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// qDebug () << "Listen Set: " << new_listen;
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Q_EMIT listenChanged(new_listen);
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}
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}
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void OnboardingModel::setNatpmp(bool new_natpmp)
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{
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if (new_natpmp != m_natpmp) {
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m_natpmp = new_natpmp;
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// qDebug () << "Natpmp Set: " << new_natpmp;
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Q_EMIT natpmpChanged(new_natpmp);
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}
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}
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void OnboardingModel::setPrune(bool new_prune)
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{
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if (new_prune != m_prune) {
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m_prune = new_prune;
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// qDebug () << "Prune Set: " << new_prune;
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Q_EMIT pruneChanged(new_prune);
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}
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}
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void OnboardingModel::setPruneSizeGB(int new_prune_size_gb)
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{
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if (new_prune_size_gb != m_prune_size_gb) {
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m_prune_size_gb = new_prune_size_gb;
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// qDebug () << "Prune Size Set: " << new_prune_size_gb;
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Q_EMIT pruneSizeGBChanged(new_prune_size_gb);
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}
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}
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void OnboardingModel::setScriptThreads(int new_script_threads)
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{
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if (new_script_threads != m_script_threads) {
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m_script_threads = new_script_threads;
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// qDebug () << "Script Threads Set: " << new_script_threads;
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Q_EMIT scriptThreadsChanged(new_script_threads);
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}
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}
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void OnboardingModel::setServer(bool new_server)
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{
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if (new_server != m_server) {
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m_server = new_server;
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// qDebug () << "Server Set: " << new_server;
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Q_EMIT serverChanged(new_server);
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}
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}
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void OnboardingModel::setUpnp(bool new_upnp)
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{
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if (new_upnp != m_upnp) {
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m_upnp = new_upnp;
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// qDebug () << "Upnp Set: " << new_upnp;
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Q_EMIT upnpChanged(new_upnp);
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}
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}
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void OnboardingModel::requestShutdown()
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{
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Q_EMIT requestedShutdown();
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}
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QString PathToQString(const fs::path &path)
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{
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return QString::fromStdString(path.u8string());
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}
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QString OnboardingModel::getDefaultDataDirString()
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{
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return PathToQString(GetDefaultDataDir());
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}
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QUrl OnboardingModel::getDefaultDataDirectory()
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{
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QString path = getDefaultDataDirString();
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return QUrl::fromLocalFile(path);
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}
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void OnboardingModel::defaultReset()
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{
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QSettings settings;
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// Save the strDataDir setting
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QString dataDir = GUIUtil::getDefaultDataDirectory();
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// Remove all entries from our QSettings object
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settings.clear();
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// Set strDataDir
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settings.setValue("strDataDir", dataDir);
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// Set that this was reset
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settings.setValue("fReset", true);
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// qDebug() << "Resetting data directory: " << dataDir;
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gArgs.LockSettings([&](common::Settings& s) { s = m_previous_settings; });
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gArgs.ClearPathCache();
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// for debug purposes checking the cached datadir
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// const fs::path& cached_dataDir = gArgs.GetDataDirNet();
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// qDebug() << "Cached Data directory: " << QString::fromStdString(cached_dataDir);
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}
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void OnboardingModel::setCustomDataDirArgs(QString path)
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{
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if (!path.isEmpty()) {
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QSettings settings;
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path = QUrl(path).toLocalFile();
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try{
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if (TryCreateDirectories(GUIUtil::QStringToPath(path))) {
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// qDebug() << "Created data directory: " << path;
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TryCreateDirectories(GUIUtil::QStringToPath(path) / "wallets");
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}
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} catch (const std::exception& e) {
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qDebug() << "Error creating data directory: " << e.what();
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}
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settings.setValue("strDataDir", path);
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if(path != GUIUtil::getDefaultDataDirectory()) {
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gArgs.SoftSetArg("-datadir", fs::PathToString(GUIUtil::QStringToPath(path)));
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}
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gArgs.ClearPathCache();
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Q_EMIT customDataDirStringChanged(m_custom_datadir_string);
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}
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}

‎src/qml/models/onboardingmodel.h

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// Copyright (c) 2024 The Bitcoin Core developers
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// Distributed under the MIT software license, see the accompanying
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// file COPYING or http://www.opensource.org/licenses/mit-license.php.
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#ifndef BITCOIN_QML_MODELS_ONBOARDINGMODEL_H
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#define BITCOIN_QML_MODELS_ONBOARDINGMODEL_H
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#include <common/settings.h>
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#include <common/system.h>
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#include <univalue.h>
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#include <validation.h>
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#include <string>
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#include <QObject>
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#include <QString>
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#include <QUrl>
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class OnboardingModel : public QObject
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{
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Q_OBJECT
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Q_PROPERTY(QString getDefaultDataDirString READ getDefaultDataDirString CONSTANT)
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Q_PROPERTY(QUrl getDefaultDataDirectory READ getDefaultDataDirectory CONSTANT)
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Q_PROPERTY(bool prune READ prune WRITE setPrune NOTIFY pruneChanged)
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Q_PROPERTY(int pruneSizeGB READ pruneSizeGB WRITE setPruneSizeGB NOTIFY pruneSizeGBChanged)
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Q_PROPERTY(int dbcacheSizeMiB READ dbcacheSizeMiB WRITE setDbcacheSizeMiB NOTIFY dbcacheSizeMiBChanged)
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Q_PROPERTY(bool listen READ listen WRITE setListen NOTIFY listenChanged)
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Q_PROPERTY(int maxDbcacheSizeMiB READ maxDbcacheSizeMiB CONSTANT)
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Q_PROPERTY(int minDbcacheSizeMiB READ minDbcacheSizeMiB CONSTANT)
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Q_PROPERTY(int maxScriptThreads READ maxScriptThreads CONSTANT)
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Q_PROPERTY(int minScriptThreads READ minScriptThreads CONSTANT)
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Q_PROPERTY(bool natpmp READ natpmp WRITE setNatpmp NOTIFY natpmpChanged)
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Q_PROPERTY(int scriptThreads READ scriptThreads WRITE setScriptThreads NOTIFY scriptThreadsChanged)
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Q_PROPERTY(bool server READ server WRITE setServer NOTIFY serverChanged)
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Q_PROPERTY(bool upnp READ upnp WRITE setUpnp NOTIFY upnpChanged)
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public:
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explicit OnboardingModel();
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int dbcacheSizeMiB() const { return m_dbcache_size_mib; }
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void setDbcacheSizeMiB(int new_dbcache_size_mib);
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bool listen() const { return m_listen; }
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void setListen(bool new_listen);
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int maxDbcacheSizeMiB() const { return m_max_dbcache_size_mib; }
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int minDbcacheSizeMiB() const { return m_min_dbcache_size_mib; }
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int maxScriptThreads() const { return m_max_script_threads; }
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int minScriptThreads() const { return m_min_script_threads; }
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bool natpmp() const { return m_natpmp; }
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void setNatpmp(bool new_natpmp);
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bool prune() const { return m_prune; }
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void setPrune(bool new_prune);
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int pruneSizeGB() const { return m_prune_size_gb; }
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void setPruneSizeGB(int new_prune_size);
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int scriptThreads() const { return m_script_threads; }
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void setScriptThreads(int new_script_threads);
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bool server() const { return m_server; }
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void setServer(bool new_server);
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bool upnp() const { return m_upnp; }
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void setUpnp(bool new_upnp);
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QString getDefaultDataDirString();
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QUrl getDefaultDataDirectory();
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Q_INVOKABLE void defaultReset();
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Q_INVOKABLE void setCustomDataDirArgs(QString path);
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Q_INVOKABLE void requestShutdown();
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public Q_SLOTS:
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void setCustomDataDirString(const QString &new_custom_datadir_string) {
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m_custom_datadir_string = new_custom_datadir_string;
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m_signalReceived = true;
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}
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Q_SIGNALS:
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void customDataDirStringChanged(QString new_custom_datadir_string);
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void onboardingFinished();
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void requestedShutdown();
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void dbcacheSizeMiBChanged(int new_dbcache_size_mib);
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void listenChanged(bool new_listen);
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void natpmpChanged(bool new_natpmp);
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void pruneChanged(bool new_prune);
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void pruneSizeGBChanged(int new_prune_size_gb);
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void scriptThreadsChanged(int new_script_threads);
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void serverChanged(bool new_server);
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void upnpChanged(bool new_upnp);
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private:
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QString m_custom_datadir_string;
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bool m_signalReceived = false;
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common::Settings m_previous_settings;
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int m_dbcache_size_mib;
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const int m_min_dbcache_size_mib{nMinDbCache};
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const int m_max_dbcache_size_mib{nMaxDbCache};
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bool m_listen;
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const int m_max_script_threads{MAX_SCRIPTCHECK_THREADS};
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const int m_min_script_threads{-GetNumCores()};
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bool m_natpmp;
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bool m_prune;
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int m_prune_size_gb;
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int m_script_threads;
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bool m_server;
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bool m_upnp;
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common::SettingsValue pruneSetting() const;
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};
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#endif // BITCOIN_QML_MODELS_ONBOARDINGMODEL_H

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