add is empty

Author: cody-wang-cb

crates/op-rbuilder/src/bundles.rs

@@ -51,6 +51,9 @@ impl BackrunBundleStore {
     }
 
     pub fn insert(&self, bundle: AcceptedBundle) -> Result<(), String> {
+
+        warn!("Inserting backrun bundle for tx:");
+
         if bundle.txs.len() < 2 {
             return Err("Bundle must have at least 2 transactions (target + backrun)".to_string());
         }
@@ -83,8 +86,10 @@ impl BackrunBundleStore {
             entry.insert(backrun_sender, stored_bundle).is_some()
         }; // entry lock released here
 
+        warn!("Replaced: {}", replaced);
+
         if replaced {
-            info!(
+            warn!(
                 target: "backrun_bundles",
                 target_tx = ?target_tx_hash,
                 sender = ?backrun_sender,
@@ -125,6 +130,10 @@ impl BackrunBundleStore {
     pub fn len(&self) -> usize {
         self.data.by_target_tx.len()
     }
+
+    pub fn is_empty(&self) -> bool {
+        self.data.by_target_tx.is_empty()
+    }
 }
 
 impl Default for BackrunBundleStore {