chain: uniformly use SettingsAction enum in all settings methods

src/interfaces/chain.h

@@ -361,10 +361,10 @@ class Chain
     virtual bool updateRwSetting(const std::string& name, const SettingsUpdate& update_function) = 0;
 
     //! Replace a setting in <datadir>/settings.json with a new value.
-    virtual bool overwriteRwSetting(const std::string& name, common::SettingsValue value, bool write = true) = 0;
+    virtual bool overwriteRwSetting(const std::string& name, common::SettingsValue value, SettingsAction action = SettingsAction::WRITE) = 0;
 
     //! Delete a given setting in <datadir>/settings.json.
-    virtual bool deleteRwSettings(const std::string& name, bool write = true) = 0;
+    virtual bool deleteRwSettings(const std::string& name, SettingsAction action = SettingsAction::WRITE) = 0;
 
     //! Synchronously send transactionAddedToMempool notifications about all
     //! current mempool transactions to the specified handler and return after

src/node/interfaces.cpp

@@ -826,22 +826,22 @@ class ChainImpl : public Chain
         });
         if (!action) return false;
         // Now dump value to disk if requested
-        return *action == interfaces::SettingsAction::SKIP_WRITE || args().WriteSettingsFile();
+        return *action != interfaces::SettingsAction::WRITE || args().WriteSettingsFile();
     }
-    bool overwriteRwSetting(const std::string& name, common::SettingsValue value, bool write) override
+    bool overwriteRwSetting(const std::string& name, common::SettingsValue value, interfaces::SettingsAction action) override
     {
-        if (value.isNull()) return deleteRwSettings(name, write);
+        if (value.isNull()) return deleteRwSettings(name, action);
         return updateRwSetting(name, [&](common::SettingsValue& settings) {
             settings = std::move(value);
-            return write ? interfaces::SettingsAction::WRITE : interfaces::SettingsAction::SKIP_WRITE;
+            return action;
         });
     }
-    bool deleteRwSettings(const std::string& name, bool write) override
+    bool deleteRwSettings(const std::string& name, interfaces::SettingsAction action) override
     {
         args().LockSettings([&](common::Settings& settings) {
             settings.rw_settings.erase(name);
         });
-        return !write || args().WriteSettingsFile();
+        return action != interfaces::SettingsAction::WRITE || args().WriteSettingsFile();
     }
     void requestMempoolTransactions(Notifications& notifications) override
     {

src/wallet/load.cpp

@@ -69,7 +69,7 @@ bool VerifyWallets(WalletContext& context)
             // Pass write=false because no need to write file and probably
             // better not to. If unnamed wallet needs to be added next startup
             // and the setting is empty, this code will just run again.
-            chain.overwriteRwSetting("wallet", std::move(wallets), /*write=*/false);
+            chain.overwriteRwSetting("wallet", std::move(wallets), interfaces::SettingsAction::SKIP_WRITE);
         }
     }