Inside Bitcoin

501}
502
503// NOLINTNEXTLINE(misc-no-recursion)
504bool OptionsModel::setOption(OptionID option, const QVariant& value, const std::string& suffix)
505{
506    auto changed = [&] { return value.isValid() && value != getOption(option, suffix); };
507    auto update = [&](const common::SettingsValue& value) { return UpdateRwSetting(node(), option, suffix, value); };
508
509    bool successful = true; /* set to false on parse error */
510    QSettings settings;
511
512    switch (option) {
513    case StartAtStartup:
514        successful = GUIUtil::SetStartOnSystemStartup(value.toBool());
515        break;
516    case ShowTrayIcon:
517        m_show_tray_icon = value.toBool();
518        settings.setValue("fHideTrayIcon", !m_show_tray_icon);
519        Q_EMIT showTrayIconChanged(m_show_tray_icon);
520        break;
521    case MinimizeToTray:
522        fMinimizeToTray = value.toBool();
523        settings.setValue("fMinimizeToTray", fMinimizeToTray);
524        break;
525    case MapPortNatpmp: // core option - can be changed on-the-fly
526        if (changed()) {
527            update(value.toBool());
528            node().mapPort(value.toBool());
529        }
530        break;
531    case MinimizeOnClose:
532        fMinimizeOnClose = value.toBool();
533        settings.setValue("fMinimizeOnClose", fMinimizeOnClose);
534        break;
535
536    // default proxy
537    case ProxyUse:
538        if (changed()) {
539            if (suffix.empty() && !value.toBool()) setOption(option, true, "-prev");
540            update(ProxyString(value.toBool(), getOption(ProxyIP).toString(), getOption(ProxyPort).toString()));
541            if (suffix.empty() && value.toBool()) UpdateRwSetting(node(), option, "-prev", {});
542            if (suffix.empty()) setRestartRequired(true);
543        }
544        break;
545    case ProxyIP:
546        if (changed()) {
547            if (suffix.empty() && !getOption(ProxyUse).toBool()) {
548                setOption(option, value, "-prev");
549            } else {
550                update(ProxyString(true, value.toString(), getOption(ProxyPort).toString()));
551            }
552            if (suffix.empty() && getOption(ProxyUse).toBool()) setRestartRequired(true);
553        }
554        break;
555    case ProxyPort:
556        if (changed()) {
557            if (suffix.empty() && !getOption(ProxyUse).toBool()) {
558                setOption(option, value, "-prev");
559            } else {
560                update(ProxyString(true, getOption(ProxyIP).toString(), value.toString()));
561            }
562            if (suffix.empty() && getOption(ProxyUse).toBool()) setRestartRequired(true);
563        }
564        break;
565
566    // separate Tor proxy
567    case ProxyUseTor:
568        if (changed()) {
569            if (suffix.empty() && !value.toBool()) setOption(option, true, "-prev");
570            update(ProxyString(value.toBool(), getOption(ProxyIPTor).toString(), getOption(ProxyPortTor).toString()));
571            if (suffix.empty() && value.toBool()) UpdateRwSetting(node(), option, "-prev", {});
572            if (suffix.empty()) setRestartRequired(true);
573        }
574        break;
575    case ProxyIPTor:
576        if (changed()) {
577            if (suffix.empty() && !getOption(ProxyUseTor).toBool()) {
578                setOption(option, value, "-prev");
579            } else {
580                update(ProxyString(true, value.toString(), getOption(ProxyPortTor).toString()));
581            }
582            if (suffix.empty() && getOption(ProxyUseTor).toBool()) setRestartRequired(true);
583        }
584        break;
585    case ProxyPortTor:
586        if (changed()) {
587            if (suffix.empty() && !getOption(ProxyUseTor).toBool()) {
588                setOption(option, value, "-prev");
589            } else {
590                update(ProxyString(true, getOption(ProxyIPTor).toString(), value.toString()));
591            }
592            if (suffix.empty() && getOption(ProxyUseTor).toBool()) setRestartRequired(true);
593        }
594        break;
595
596#ifdef ENABLE_WALLET
597    case SpendZeroConfChange:
598        if (changed()) {
599            update(value.toBool());
600            setRestartRequired(true);
601        }
602        break;
603    case ExternalSignerPath:
604        if (changed()) {
605            update(value.toString().toStdString());
606            setRestartRequired(true);
607        }
608        break;
609    case SubFeeFromAmount:
610        m_sub_fee_from_amount = value.toBool();
611        settings.setValue("SubFeeFromAmount", m_sub_fee_from_amount);
612        break;
613#endif
614    case DisplayUnit:
615        setDisplayUnit(value);
616        break;
617    case ThirdPartyTxUrls:
618        if (strThirdPartyTxUrls != value.toString()) {
619            strThirdPartyTxUrls = value.toString();
620            settings.setValue("strThirdPartyTxUrls", strThirdPartyTxUrls);
621            setRestartRequired(true);
622        }
623        break;
624    case Language:
625        if (changed()) {
626            update(value.toString().toStdString());
627            setRestartRequired(true);
628        }
629        break;
630    case FontForMoney:
631    {
632        const auto& new_font = value.value<FontChoice>();
633        if (m_font_money == new_font) break;
634        settings.setValue("FontForMoney", FontChoiceToString(new_font));
635        m_font_money = new_font;
636        Q_EMIT fontForMoneyChanged(getFontForMoney());
637        break;
638    }
639    case CoinControlFeatures:
640        fCoinControlFeatures = value.toBool();
641        settings.setValue("fCoinControlFeatures", fCoinControlFeatures);
642        Q_EMIT coinControlFeaturesChanged(fCoinControlFeatures);
643        break;
644    case EnablePSBTControls:
645        m_enable_psbt_controls = value.toBool();
646        settings.setValue("enable_psbt_controls", m_enable_psbt_controls);
647        break;
648    case Prune:
649        if (changed()) {
650            if (suffix.empty() && !value.toBool()) setOption(option, true, "-prev");
651            update(PruneSetting(value.toBool(), getOption(PruneSize).toInt()));
652            if (suffix.empty() && value.toBool()) UpdateRwSetting(node(), option, "-prev", {});
653            if (suffix.empty()) setRestartRequired(true);
654        }
655        break;
656    case PruneSize:
657        if (changed()) {
658            if (suffix.empty() && !getOption(Prune).toBool()) {
659                setOption(option, value, "-prev");
660            } else {
661                update(PruneSetting(true, ParsePruneSizeGB(value)));
662            }
663            if (suffix.empty() && getOption(Prune).toBool()) setRestartRequired(true);
664        }
665        break;
666    case DatabaseCache:
667        if (changed()) {
668            update(static_cast<int64_t>(value.toLongLong()));
669            setRestartRequired(true);
670        }
671        break;
672    case ThreadsScriptVerif:
673        if (changed()) {
674            update(static_cast<int64_t>(value.toLongLong()));
675            setRestartRequired(true);
676        }
677        break;
678    case Listen:
679    case Server:
680        if (changed()) {
681            update(value.toBool());
682            setRestartRequired(true);
683        }
684        break;
685    case MaskValues:
686        m_mask_values = value.toBool();
687        settings.setValue("mask_values", m_mask_values);
688        break;
689    default:
690        break;
691    }
692
693    return successful;
694}
695
696void OptionsModel::setDisplayUnit(const QVariant& new_unit)
697{
698    if (new_unit.isNull() || new_unit.value<BitcoinUnit>() == m_display_bitcoin_unit) return;
699    m_display_bitcoin_unit = new_unit.value<BitcoinUnit>();
700    QSettings settings;
701    settings.setValue("DisplayBitcoinUnit", QVariant::fromValue(m_display_bitcoin_unit));
702    Q_EMIT displayUnitChanged(m_display_bitcoin_unit);
703}
704
705void OptionsModel::setRestartRequired(bool fRequired)
706{
707    QSettings settings;
708    return settings.setValue("fRestartRequired", fRequired);
709}
710
711bool OptionsModel::isRestartRequired() const
712{
713    QSettings settings;
714    return settings.value("fRestartRequired", false).toBool();
715}
716
717bool OptionsModel::hasSigner()
718{
719    return gArgs.GetArg("-signer", "") != "";
720}
721
722void OptionsModel::checkAndMigrate()
723{
724    // Migration of default values
725    // Check if the QSettings container was already loaded with this client version
726    QSettings settings;
727    static const char strSettingsVersionKey[] = "nSettingsVersion";
728    int settingsVersion = settings.contains(strSettingsVersionKey) ? settings.value(strSettingsVersionKey).toInt() : 0;
729    if (settingsVersion < CLIENT_VERSION)
730    {
731        // -dbcache was bumped from 100 to 300 in 0.13
732        // see https://github.com/bitcoin/bitcoin/pull/8273
733        // force people to upgrade to the new value if they are using 100MB
734        if (settingsVersion < 130000 && settings.contains("nDatabaseCache") && settings.value("nDatabaseCache").toLongLong() == 100)
735            settings.setValue("nDatabaseCache", qint64(DEFAULT_KERNEL_CACHE / 1_MiB));
736
737        settings.setValue(strSettingsVersionKey, CLIENT_VERSION);
738    }
739
740    // Overwrite the 'addrProxy' setting in case it has been set to an illegal
741    // default value (see issue #12623; PR #12650).
742    if (settings.contains("addrProxy") && settings.value("addrProxy").toString().endsWith("%2")) {
743        settings.setValue("addrProxy", GetDefaultProxyAddress());
744    }
745
746    // Overwrite the 'addrSeparateProxyTor' setting in case it has been set to an illegal
747    // default value (see issue #12623; PR #12650).
748    if (settings.contains("addrSeparateProxyTor") && settings.value("addrSeparateProxyTor").toString().endsWith("%2")) {
749        settings.setValue("addrSeparateProxyTor", GetDefaultProxyAddress());
750    }