Method SetPruneTargetGB

src/qt/optionsmodel.cpp:350–374

}

void OptionsModel::SetPruneTargetGB(int prune_target_gb)
{
    const common::SettingsValue cur_value = node().getPersistentSetting("prune");
    const common::SettingsValue new_value = PruneSetting(prune_target_gb > 0, prune_target_gb);

    // Force setting to take effect. It is still safe to change the value at
    // this point because this function is only called after the intro screen is
    // shown, before the node starts.
    node().forceSetting("prune", new_value);

    // Update settings.json if value configured in intro screen is different
    // from saved value. Avoid writing settings.json if bitcoin.conf value
    // doesn't need to be overridden.
    if (PruneEnabled(cur_value) != PruneEnabled(new_value) ||
        PruneSizeGB(cur_value) != PruneSizeGB(new_value)) {
        // Call UpdateRwSetting() instead of setOption() to avoid setting
        // RestartRequired flag
        UpdateRwSetting(node(), Prune, "", new_value);
    }

    // Keep previous pruning size, if pruning was disabled.
    if (PruneEnabled(cur_value)) {
        UpdateRwSetting(node(), Prune, "-prev", PruneEnabled(new_value) ? common::SettingsValue{} : cur_value);
    }
}

// read QSettings values and return them
QVariant OptionsModel::data(const QModelIndex & index, int role) const