chore: logs to identify enr zkvm bug

Author: fbwoolf

beacon_node/client/src/builder.rs

@@ -202,6 +202,7 @@ where
             let mut modified_spec = (*spec).clone();
 
             modified_spec.zkvm_enabled = true;
+            debug!("[Ethproofs] After setting zkvm_enabled = {}", modified_spec.zkvm_enabled);
             modified_spec.zkvm_min_proofs_required = zkvm_config.min_proofs_required;
 
             Arc::new(modified_spec)

beacon_node/lighthouse_network/src/discovery/enr.rs

@@ -130,10 +130,11 @@ pub fn use_or_load_enr(
             Ok(_) => {
                 match Enr::from_str(&enr_string) {
                     Ok(disk_enr) => {
+                        debug!("[Ethproofs] Loaded disk_enr, zkvm_enabled() = {}", disk_enr.zkvm_enabled());
                         // if the same node id, then we may need to update our sequence number
                         if local_enr.node_id() == disk_enr.node_id() {
                             if compare_enr(local_enr, &disk_enr) {
-                                debug!(file = ?enr_f,"ENR loaded from disk");
+                                debug!(file = ?enr_f,"[Ethproofs] ENR loaded from disk (configs match)");
                                 // the stored ENR has the same configuration, use it
                                 *local_enr = disk_enr;
                                 return Ok(());
@@ -157,6 +158,7 @@ pub fn use_or_load_enr(
         }
     }
 
+    debug!("[Ethproofs] Before final save, local_enr.zkvm_enabled() = {}", local_enr.zkvm_enabled());
     save_enr_to_disk(&config.network_dir, local_enr);
 
     Ok(())
@@ -290,7 +292,9 @@ pub fn build_enr<E: EthSpec>(
         &bitfield.as_ssz_bytes().into(),
     );
 
+    debug!("[Ethproofs] In build_enr, spec.is_zkvm_enabled() = {}", spec.is_zkvm_enabled());
     if spec.is_zkvm_enabled() {
+        debug!("[Ethproofs] Adding zkvm flag to ENR");
         builder.add_value(ZKVM_ENABLED_ENR_KEY, &true);
     }
 
@@ -356,12 +360,13 @@ pub fn load_enr_from_disk(dir: &Path) -> Result<Enr, String> {
 
 /// Saves an ENR to disk
 pub fn save_enr_to_disk(dir: &Path, enr: &Enr) {
+    debug!("[Ethproofs] Before saving ENR to disk, zkvm_enabled() = {}", enr.zkvm_enabled());
     let _ = std::fs::create_dir_all(dir);
     match File::create(dir.join(Path::new(ENR_FILENAME)))
         .and_then(|mut f| f.write_all(enr.to_base64().as_bytes()))
     {
         Ok(_) => {
-            debug!("ENR written to disk");
+            debug!("[Ethproofs] ENR written to disk with zkvm flag");
         }
         Err(e) => {
             warn!(