Add src/node/* code to node:: namespace

src/qt/bitcoin.cpp

@@ -76,6 +76,8 @@ Q_DECLARE_METATYPE(CAmount)
 Q_DECLARE_METATYPE(SynchronizationState)
 Q_DECLARE_METATYPE(uint256)
 
+using node::NodeContext;
+
 static void RegisterMetaTypes()
 {
     // Register meta types used for QMetaObject::invokeMethod and Qt::QueuedConnection

src/qt/psbtoperationsdialog.cpp

@@ -17,6 +17,9 @@
 
 #include <iostream>
 
+using node::AnalyzePSBT;
+using node::DEFAULT_MAX_RAW_TX_FEE_RATE;
+using node::PSBTAnalysis;
 
 PSBTOperationsDialog::PSBTOperationsDialog(
     QWidget* parent, WalletModel* wallet_model, ClientModel* client_model) : QDialog(parent, GUIUtil::dialog_flags),

src/qt/test/test_main.cpp

@@ -39,6 +39,8 @@ Q_IMPORT_PLUGIN(QAndroidPlatformIntegrationPlugin)
 #endif
 #endif
 
+using node::NodeContext;
+
 const std::function<void(const std::string&)> G_TEST_LOG_FUN{};
 
 // This is all you need to run all the tests