Clean up type casts

runtime/src/bank.rs

@@ -343,7 +343,7 @@ impl Bank {
             tick_hash_queue.register_hash(hash);
             tick_hash_queue.hash_height()
         };
-        if current_tick_height % NUM_TICKS_PER_SECOND as u64 == 0 {
+        if current_tick_height % NUM_TICKS_PER_SECOND == 0 {
             self.status_cache.write().unwrap().new_cache(hash);
         }
     }

runtime/src/hash_queue.rs

@@ -71,7 +71,7 @@ impl HashQueue {
 
         // this clean up can be deferred until sigs gets larger
         //  because we verify entry.nth every place we check for validity
-        if self.entries.len() >= MAX_RECENT_TICK_HASHES as usize {
+        if self.entries.len() >= MAX_RECENT_TICK_HASHES {
             self.entries.retain(|_, entry| {
                 hash_height - entry.hash_height <= MAX_RECENT_TICK_HASHES as u64
             });

sdk/src/timing.rs

@@ -2,7 +2,7 @@
 use std::time::Duration;
 use std::time::{SystemTime, UNIX_EPOCH};
 
-pub const NUM_TICKS_PER_SECOND: usize = 10;
+pub const NUM_TICKS_PER_SECOND: u64 = 10;
 
 // At 10 ticks/s, 8 ticks per slot implies that leader rotation and voting will happen
 // every 800 ms. A fast voting cadence ensures faster finality and convergence
@@ -17,7 +17,7 @@ pub const DEFAULT_SLOTS_PER_EPOCH: u64 = 64;
 /// not be processed by the network.
 pub const MAX_HASH_AGE_IN_SECONDS: usize = 120;
 
-pub const MAX_RECENT_TICK_HASHES: usize = NUM_TICKS_PER_SECOND * MAX_HASH_AGE_IN_SECONDS;
+pub const MAX_RECENT_TICK_HASHES: usize = NUM_TICKS_PER_SECOND as usize * MAX_HASH_AGE_IN_SECONDS;
 
 pub fn duration_as_us(d: &Duration) -> u64 {
     (d.as_secs() * 1000 * 1000) + (u64::from(d.subsec_nanos()) / 1_000)

src/banking_stage.rs

@@ -172,11 +172,8 @@ impl BankingStage {
         // the likelihood of any single thread getting starved and processing old ids.
         // TODO: Banking stage threads should be prioritized to complete faster then this queue
         // expires.
-        let (loaded_accounts, results) = bank.load_and_execute_transactions(
-            txs,
-            lock_results,
-            MAX_RECENT_TICK_HASHES as usize / 2,
-        );
+        let (loaded_accounts, results) =
+            bank.load_and_execute_transactions(txs, lock_results, MAX_RECENT_TICK_HASHES / 2);
         let load_execute_time = now.elapsed();
 
         let record_time = {

src/poh_service.rs

@@ -25,7 +25,7 @@ pub enum PohServiceConfig {
 impl Default for PohServiceConfig {
     fn default() -> PohServiceConfig {
         // TODO: Change this to Tick to enable PoH
-        PohServiceConfig::Sleep(Duration::from_millis(1000 / NUM_TICKS_PER_SECOND as u64))
+        PohServiceConfig::Sleep(Duration::from_millis(1000 / NUM_TICKS_PER_SECOND))
     }
 }
 

src/rpc_request.rs

@@ -88,7 +88,7 @@ impl RpcClient {
 
                     // Sleep for approximately half a slot
                     sleep(Duration::from_millis(
-                        500 * DEFAULT_TICKS_PER_SLOT / NUM_TICKS_PER_SECOND as u64,
+                        500 * DEFAULT_TICKS_PER_SLOT / NUM_TICKS_PER_SECOND,
                     ));
                 }
             }

wallet/src/wallet.rs

@@ -754,7 +754,7 @@ fn get_next_last_id(
         next_last_id_retries -= 1;
         // Retry ~twice during a slot
         sleep(Duration::from_millis(
-            500 * DEFAULT_TICKS_PER_SLOT / NUM_TICKS_PER_SECOND as u64,
+            500 * DEFAULT_TICKS_PER_SLOT / NUM_TICKS_PER_SECOND,
         ));
     }
 }
@@ -816,7 +816,7 @@ fn send_and_confirm_transaction(
             if cfg!(not(test)) {
                 // Retry ~twice during a slot
                 sleep(Duration::from_millis(
-                    500 * DEFAULT_TICKS_PER_SLOT / NUM_TICKS_PER_SECOND as u64,
+                    500 * DEFAULT_TICKS_PER_SLOT / NUM_TICKS_PER_SECOND,
                 ));
             }
         };
@@ -857,7 +857,7 @@ fn send_and_confirm_transactions(
             if cfg!(not(test)) {
                 // Delay ~1 tick between write transactions in an attempt to reduce AccountInUse errors
                 // since all the write transactions modify the same program account
-                sleep(Duration::from_millis(1000 / NUM_TICKS_PER_SECOND as u64));
+                sleep(Duration::from_millis(1000 / NUM_TICKS_PER_SECOND));
             }
 
             let signature = send_transaction(&rpc_client, &transaction).ok();
@@ -871,7 +871,7 @@ fn send_and_confirm_transactions(
             if cfg!(not(test)) {
                 // Retry ~twice during a slot
                 sleep(Duration::from_millis(
-                    500 * DEFAULT_TICKS_PER_SLOT / NUM_TICKS_PER_SECOND as u64,
+                    500 * DEFAULT_TICKS_PER_SLOT / NUM_TICKS_PER_SECOND,
                 ));
             }