[gui] add explicit prune setter

This makes it possible to enable pruning after the OptionsModel has been initialized and reset.

1 files changed, 17 insertions, 5 deletions

diff --git a/src/qt/optionsmodel.cpp b/src/qt/optionsmodel.cpp
index f3974b1c85..d047a82475 100644
--- a/src/qt/optionsmodel.cpp
+++ b/src/qt/optionsmodel.cpp
@@ -92,11 +92,7 @@ void OptionsModel::Init(bool resetSettings)
         settings.setValue("bPrune", false);
     if (!settings.contains("nPruneSize"))
         settings.setValue("nPruneSize", 2);
-    // Convert prune size from GB to MiB:
-    const uint64_t nPruneSizeMiB = (settings.value("nPruneSize").toInt() * GB_BYTES) >> 20;
-    if (!m_node.softSetArg("-prune", settings.value("bPrune").toBool() ? std::to_string(nPruneSizeMiB) : "0")) {
-        addOverriddenOption("-prune");
-    }
+    SetPrune(settings.value("bPrune").toBool());
 
     if (!settings.contains("nDatabaseCache"))
         settings.setValue("nDatabaseCache", (qint64)nDefaultDbCache);
@@ -240,6 +236,22 @@ static const QString GetDefaultProxyAddress()
     return QString("%1:%2").arg(DEFAULT_GUI_PROXY_HOST).arg(DEFAULT_GUI_PROXY_PORT);
 }
 
+void OptionsModel::SetPrune(bool prune, bool force)
+{
+    QSettings settings;
+    settings.setValue("bPrune", prune);
+    // Convert prune size from GB to MiB:
+    const uint64_t nPruneSizeMiB = (settings.value("nPruneSize").toInt() * GB_BYTES) >> 20;
+    std::string prune_val = prune ? std::to_string(nPruneSizeMiB) : "0";
+    if (force) {
+        m_node.forceSetArg("-prune", prune_val);
+        return;
+    }
+    if (!m_node.softSetArg("-prune", prune_val)) {
+        addOverriddenOption("-prune");
+    }
+}
+
 // read QSettings values and return them
 QVariant OptionsModel::data(const QModelIndex & index, int role) const
 {