added more logging

beacon_chain/gossip_processing/block_processor.nim

@@ -219,6 +219,7 @@ proc storeBackfillBlock(
       let kzgCommits = signedBlock.message.body.blob_kzg_commitments.asSeq
       if data_columns.len > 0 and kzgCommits.len > 0:
         for i in 0..<data_columns.len:
+          debugEcho "Verifying dc kzg proof"
           let r = verify_data_column_sidecar_kzg_proofs(data_columns[i][])
           if r.isErr():
             debug "backfill data column validation failed",

beacon_chain/validators/message_router.nim

@@ -201,6 +201,8 @@ proc routeSignedBeaconBlock*(
         if dc.index in custody_columns:
           dataColumnRefs = Opt.some(dataColumnsOpt[].get().mapIt(newClone(it)))
 
+    debugEcho "Data column refs"
+    debugEcho dataColumnRefs.get.len
     let added = await router[].blockProcessor[].addBlock(
       MsgSource.api, ForkedSignedBeaconBlock.init(blck), blobRefs, dataColumnRefs)