Output current checkpoint

README.md

@@ -283,6 +283,7 @@ SlowKey Parameters:
 
 ████████████████████████████████████████████████████████████████░░░░░░░░░░░░░░░░       5/10      80%    (10s)
 
+Current checkpoint: 1/2
 Created checkpoint #5 with data hash 0x3c0c7ab8bb2001c1efd67ce049a437c760cf95d4cc2967160b708fb7216d74d1
 ```
 

src/main.rs

@@ -542,14 +542,14 @@ fn main() {
 
             pb.enable_steady_tick(Duration::from_secs(1));
 
+            let checkpoint_count = ((slowkey_opts.iterations - offset) / checkpointing_interval) as u64;
+            let mut current_checkpoint = 0;
             let mut cpb: Option<ProgressBar> = None;
 
             if checkpoint.is_some() && checkpointing_interval != 0 {
                 cpb = Some(
-                    mb.add(ProgressBar::new(
-                        ((slowkey_opts.iterations - offset) / checkpointing_interval) as u64,
-                    ))
-                    .with_style(ProgressStyle::with_template("{msg}").unwrap()),
+                    mb.add(ProgressBar::new(checkpoint_count))
+                        .with_style(ProgressStyle::with_template("{msg}").unwrap()),
                 );
 
                 if let Some(ref mut cpb) = &mut cpb {
@@ -575,6 +575,8 @@ fn main() {
 
                         // Create a checkpoint if we've reached the checkpoint interval
                         if checkpointing_interval != 0 && (current_iteration + 1) % checkpointing_interval == 0 {
+                            current_checkpoint += 1;
+
                             let prev_data: Option<&[u8]> = if current_iteration == 0 { None } else { Some(&prev_data) };
 
                             if let Some(checkpoint) = &mut checkpoint {
@@ -585,7 +587,9 @@ fn main() {
                                 let hash = Checkpoint::hash_checkpoint(current_iteration, current_data, prev_data);
 
                                 cpb.set_message(format!(
-                                    "\nCreated checkpoint #{} with data hash {}",
+                                    "\nCurrent checkpoint: {}/{}\nCreated checkpoint #{} with data hash {}",
+                                    current_checkpoint,
+                                    checkpoint_count,
                                     (current_iteration + 1).to_string().cyan(),
                                     format!("0x{}", hex::encode(hash)).cyan()
                                 ));