···

       
435
       
435
       
 
       
            ))

     

       
436
       
436
       
 
       
        };

     

       
437
       
437
       
 
       


     

       
438
       
438
       
-
       
        Either::Left(

     

       
439
       
439
       
-
       
            handle

     

       
440
       
440
       
-
       
                .range(..end_key)

     

       
441
       
441
       
-
       
                .rev()

     

       
442
       
442
       
-
       
                .map_while(move |res| res.map_err(AppError::from).and_then(map_block).transpose())

     

       
443
       
443
       
-
       
                .collect_vec()

     

       
444
       
444
       
-
       
                .into_iter()

     

       
445
       
445
       
-
       
                .rev()

     

       
446
       
446
       
-
       
                .flatten()

     

       
447
       
447
       
-
       
                .flatten(),

     

       
448
       
448
       
-
       
        )

     

       
438
       
438
       
+
       
        let blocks = handle

     

       
439
       
439
       
+
       
            .range(..end_key)

     

       
440
       
440
       
+
       
            .rev()

     

       
441
       
441
       
+
       
            .map_while(move |res| res.map_err(AppError::from).and_then(map_block).transpose())

     

       
442
       
442
       
+
       
            .collect_vec();

     

       
443
       
443
       
+
       


     

       
444
       
444
       
+
       
        tracing::info!("got blocks with size {}", blocks.len());

     

       
445
       
445
       
+
       


     

       
446
       
446
       
+
       
        Either::Left(blocks.into_iter().rev().flatten().flatten())

     

       
449
       
447
       
 
       
    }

     

       
450
       
448
       
 
       


     

       
451
       
449
       
 
       
    pub fn tracking_since(&self) -> AppResult<u64> {