[State Sync] Enable intelligent syncing mode.

Author: JoshLind

config/src/config/state_sync_config.rs

@@ -122,9 +122,9 @@ pub struct StateSyncDriverConfig {
 impl Default for StateSyncDriverConfig {
     fn default() -> Self {
         Self {
-            bootstrapping_mode: BootstrappingMode::ApplyTransactionOutputsFromGenesis,
+            bootstrapping_mode: BootstrappingMode::ExecuteOrApplyFromGenesis,
             commit_notification_timeout_ms: 5000,
-            continuous_syncing_mode: ContinuousSyncingMode::ApplyTransactionOutputs,
+            continuous_syncing_mode: ContinuousSyncingMode::ExecuteTransactionsOrApplyOutputs,
             enable_auto_bootstrapping: false,
             fallback_to_output_syncing_secs: 180, // 3 minutes
             progress_check_interval_ms: 100,

state-sync/state-sync-v2/state-sync-driver/src/continuous_syncer.rs

@@ -503,6 +503,11 @@ impl<
             self.get_continuous_syncing_mode()
         {
             self.output_fallback_handler.fallback_to_outputs();
+            metrics::set_gauge(
+                &metrics::DRIVER_FALLBACK_MODE,
+                ExecutingComponent::ContinuousSyncer.get_label(),
+                1,
+            );
         }
 
         Ok(())

state-sync/state-sync-v2/state-sync-driver/src/utils.rs

@@ -137,7 +137,8 @@ impl OutputFallbackHandler {
 
     /// Initiates a fallback to output syncing (if we haven't already)
     pub fn fallback_to_outputs(&mut self) {
-        if self.fallback_start_time.lock().is_none() {
+        let missing_fallback_start_time = self.fallback_start_time.lock().is_none();
+        if missing_fallback_start_time {
             self.set_fallback_start_time(self.time_service.now());
             info!(LogSchema::new(LogEntry::Driver).message(&format!(
                 "Falling back to output syncing for at least {:?} seconds!",