Remove redundant clones (#31685)

* broadcast_stage remove redundant clone

* broadcast_fake_shreds_run remove redundant clone

* wallet remove redundant clone

* cluster_query remove redundant clone

* accounts remove redundant clones

cli/src/cluster_query.rs

@@ -1109,7 +1109,7 @@ pub fn process_get_epoch_info(rpc_client: &RpcClient, config: &CliConfig) -> Pro
     match config.output_format {
         OutputFormat::Json | OutputFormat::JsonCompact => {}
         _ => {
-            let epoch_info = cli_epoch_info.epoch_info.clone();
+            let epoch_info = &cli_epoch_info.epoch_info;
             let average_slot_time_ms = rpc_client
                 .get_recent_performance_samples(Some(60))
                 .ok()

cli/src/wallet.rs

@@ -651,7 +651,7 @@ pub fn process_show_account(
     use_lamports_unit: bool,
 ) -> ProcessResult {
     let account = rpc_client.get_account(account_pubkey)?;
-    let data = account.data.clone();
+    let data = &account.data;
     let cli_account = CliAccount::new(account_pubkey, &account, use_lamports_unit);
 
     let mut account_string = config.output_format.formatted_string(&cli_account);
@@ -668,7 +668,7 @@ pub fn process_show_account(
         OutputFormat::Display | OutputFormat::DisplayVerbose => {
             if let Some(output_file) = output_file {
                 let mut f = File::create(output_file)?;
-                f.write_all(&data)?;
+                f.write_all(data)?;
                 writeln!(&mut account_string)?;
                 writeln!(&mut account_string, "Wrote account data to {output_file}")?;
             } else if !data.is_empty() {

core/src/broadcast_stage.rs

@@ -651,7 +651,7 @@ pub mod test {
             let ticks_per_slot;
             let slot;
             {
-                let bank = broadcast_service.bank.clone();
+                let bank = broadcast_service.bank;
                 start_tick_height = bank.tick_height();
                 max_tick_height = bank.max_tick_height();
                 ticks_per_slot = bank.ticks_per_slot();

core/src/broadcast_stage/broadcast_fake_shreds_run.rs

@@ -37,7 +37,7 @@ impl BroadcastRun for BroadcastFakeShredsRun {
     ) -> Result<()> {
         // 1) Pull entries from banking stage
         let receive_results = broadcast_utils::recv_slot_entries(receiver)?;
-        let bank = receive_results.bank.clone();
+        let bank = receive_results.bank;
         let last_tick_height = receive_results.last_tick_height;
 
         let next_shred_index = blockstore

runtime/src/accounts.rs

@@ -2977,24 +2977,20 @@ mod tests {
         let counter_clone = counter.clone();
         let accounts_clone = accounts_arc.clone();
         let exit_clone = exit.clone();
-        thread::spawn(move || {
-            let counter_clone = counter_clone.clone();
-            let exit_clone = exit_clone.clone();
-            loop {
-                let txs = vec![writable_tx.clone()];
-                let results = accounts_clone
-                    .clone()
-                    .lock_accounts(txs.iter(), MAX_TX_ACCOUNT_LOCKS);
-                for result in results.iter() {
-                    if result.is_ok() {
-                        counter_clone.clone().fetch_add(1, Ordering::SeqCst);
-                    }
-                }
-                accounts_clone.unlock_accounts(txs.iter(), &results);
-                if exit_clone.clone().load(Ordering::Relaxed) {
-                    break;
+        thread::spawn(move || loop {
+            let txs = vec![writable_tx.clone()];
+            let results = accounts_clone
+                .clone()
+                .lock_accounts(txs.iter(), MAX_TX_ACCOUNT_LOCKS);
+            for result in results.iter() {
+                if result.is_ok() {
+                    counter_clone.clone().fetch_add(1, Ordering::SeqCst);
                 }
             }
+            accounts_clone.unlock_accounts(txs.iter(), &results);
+            if exit_clone.clone().load(Ordering::Relaxed) {
+                break;
+            }
         });
         let counter_clone = counter;
         for _ in 0..5 {