Ceil cutoff and average qualifiers.

tig-protocol/src/add_block.rs

@@ -429,8 +429,9 @@ async fn update_cutoffs<T: Context>(ctx: &mut T, block: &Block) {
             .unwrap_or_else(|e| panic!("get_player_by_id error: {:?}", e));
         let mut data = player.block_data().clone();
 
-        data.cutoff =
-            Some((total_solutions / num_challenges * config.qualifiers.cutoff_multiplier) as u32);
+        data.cutoff = Some(
+            (total_solutions / num_challenges * config.qualifiers.cutoff_multiplier).ceil() as u32,
+        );
 
         ctx.update_player_block_data(player_id, &block.id, &data)
             .await
@@ -448,12 +449,13 @@ async fn update_solution_signature_thresholds<T: Context>(ctx: &mut T, block: &B
         let player = get_player_by_id(ctx, player_id, Some(&block.id))
             .await
             .unwrap_or_else(|e| panic!("get_player_by_id error: {:?}", e));
-        let player_avg_qualifiers = player
+        let player_avg_qualifiers = (player
             .block_data()
             .num_qualifiers_by_challenge()
             .values()
             .fold(0, |acc, v| acc + *v) as f64
-            / num_challenges;
+            / num_challenges)
+            .ceil();
         solutions_rate_multiplier_by_player.insert(
             player.id.clone(),
             player