solana-labs · mergify · Jun 18, 2021 · Jun 18, 2021 · Jun 18, 2021 · Jun 18, 2021
diff --git a/account-decoder/src/lib.rs b/account-decoder/src/lib.rs
@@ -69,32 +69,32 @@ impl UiAccount {
     ) -> Self {
         let data = match encoding {
             UiAccountEncoding::Binary => UiAccountData::LegacyBinary(
-                bs58::encode(slice_data(&account.data(), data_slice_config)).into_string(),
+                bs58::encode(slice_data(account.data(), data_slice_config)).into_string(),
             ),
             UiAccountEncoding::Base58 => UiAccountData::Binary(
-                bs58::encode(slice_data(&account.data(), data_slice_config)).into_string(),
+                bs58::encode(slice_data(account.data(), data_slice_config)).into_string(),
                 encoding,
             ),
             UiAccountEncoding::Base64 => UiAccountData::Binary(
-                base64::encode(slice_data(&account.data(), data_slice_config)),
+                base64::encode(slice_data(account.data(), data_slice_config)),
                 encoding,
             ),
             UiAccountEncoding::Base64Zstd => {
                 let mut encoder = zstd::stream::write::Encoder::new(Vec::new(), 0).unwrap();
                 match encoder
-                    .write_all(slice_data(&account.data(), data_slice_config))
+                    .write_all(slice_data(account.data(), data_slice_config))
                     .and_then(|()| encoder.finish())
                 {
                     Ok(zstd_data) => UiAccountData::Binary(base64::encode(zstd_data), encoding),
                     Err(_) => UiAccountData::Binary(
-                        base64::encode(slice_data(&account.data(), data_slice_config)),
+                        base64::encode(slice_data(account.data(), data_slice_config)),
                         UiAccountEncoding::Base64,
                     ),
                 }
             }
             UiAccountEncoding::JsonParsed => {
                 if let Ok(parsed_data) =
-                    parse_account_data(pubkey, &account.owner(), &account.data(), additional_data)
+                    parse_account_data(pubkey, account.owner(), account.data(), additional_data)
                 {
                     UiAccountData::Json(parsed_data)
                 } else {

diff --git a/account-decoder/src/parse_config.rs b/account-decoder/src/parse_config.rs
@@ -37,7 +37,7 @@ fn parse_config_data<T>(data: &[u8], keys: Vec<(Pubkey, bool)>) -> Option<UiConf
 where
     T: serde::de::DeserializeOwned,
 {
-    let config_data: T = deserialize(&get_config_data(data).ok()?).ok()?;
+    let config_data: T = deserialize(get_config_data(data).ok()?).ok()?;
     let keys = keys
         .iter()
         .map(|key| UiConfigKey {
@@ -101,7 +101,7 @@ mod test {
         };
         let stake_config_account = create_config_account(vec![], &stake_config, 10);
         assert_eq!(
-            parse_config(&stake_config_account.data(), &stake_config::id()).unwrap(),
+            parse_config(stake_config_account.data(), &stake_config::id()).unwrap(),
             ConfigAccountType::StakeConfig(UiStakeConfig {
                 warmup_cooldown_rate: 0.25,
                 slash_penalty: 50,
@@ -121,7 +121,7 @@ mod test {
             10,
         );
         assert_eq!(
-            parse_config(&validator_info_config_account.data(), &info_pubkey).unwrap(),
+            parse_config(validator_info_config_account.data(), &info_pubkey).unwrap(),
             ConfigAccountType::ValidatorInfo(UiConfig {
                 keys: vec![
                     UiConfigKey {

diff --git a/accounts-cluster-bench/src/main.rs b/accounts-cluster-bench/src/main.rs
@@ -55,7 +55,7 @@ pub fn airdrop_lamports(
         );
 
         let (blockhash, _fee_calculator) = client.get_recent_blockhash().unwrap();
-        match request_airdrop_transaction(&faucet_addr, &id.pubkey(), airdrop_amount, blockhash) {
+        match request_airdrop_transaction(faucet_addr, &id.pubkey(), airdrop_amount, blockhash) {
             Ok(transaction) => {
                 let mut tries = 0;
                 loop {
@@ -431,7 +431,7 @@ fn run_accounts_bench(
                     if !airdrop_lamports(
                         &client,
                         &faucet_addr,
-                        &payer_keypairs[i],
+                        payer_keypairs[i],
                         lamports * 100_000,
                     ) {
                         warn!("failed airdrop, exiting");
@@ -487,14 +487,14 @@ fn run_accounts_bench(
                         .into_par_iter()
                         .map(|_| {
                             let message = make_close_message(
-                                &payer_keypairs[0],
+                                payer_keypairs[0],
                                 &base_keypair,
                                 seed_tracker.max_closed.clone(),
                                 1,
                                 min_balance,
                                 mint.is_some(),
                             );
-                            let signers: Vec<&Keypair> = vec![&payer_keypairs[0], &base_keypair];
+                            let signers: Vec<&Keypair> = vec![payer_keypairs[0], &base_keypair];
                             Transaction::new(&signers, message, recent_blockhash.0)
                         })
                         .collect();

diff --git a/banking-bench/src/main.rs b/banking-bench/src/main.rs
@@ -195,7 +195,7 @@ fn main() {
     if !skip_sanity {
         //sanity check, make sure all the transactions can execute sequentially
         transactions.iter().for_each(|tx| {
-            let res = bank.process_transaction(&tx);
+            let res = bank.process_transaction(tx);
             assert!(res.is_ok(), "sanity test transactions error: {:?}", res);
         });
         bank.clear_signatures();

diff --git a/banks-client/src/lib.rs b/banks-client/src/lib.rs
@@ -377,8 +377,8 @@ mod tests {
 
         let mint_pubkey = &genesis.mint_keypair.pubkey();
         let bob_pubkey = solana_sdk::pubkey::new_rand();
-        let instruction = system_instruction::transfer(&mint_pubkey, &bob_pubkey, 1);
-        let message = Message::new(&[instruction], Some(&mint_pubkey));
+        let instruction = system_instruction::transfer(mint_pubkey, &bob_pubkey, 1);
+        let message = Message::new(&[instruction], Some(mint_pubkey));
 
         Runtime::new()?.block_on(async {
             let client_transport = start_local_server(bank_forks, block_commitment_cache).await;

diff --git a/banks-server/src/banks_server.rs b/banks-server/src/banks_server.rs
@@ -150,7 +150,7 @@ impl Banks for BanksServer {
             .read()
             .unwrap()
             .root_bank()
-            .get_blockhash_last_valid_slot(&blockhash)
+            .get_blockhash_last_valid_slot(blockhash)
             .unwrap();
         let signature = transaction.signatures.get(0).cloned().unwrap_or_default();
         let info =

diff --git a/banks-server/src/send_transaction_service.rs b/banks-server/src/send_transaction_service.rs
@@ -138,8 +138,8 @@ impl SendTransactionService {
                         result.retried += 1;
                         inc_new_counter_info!("send_transaction_service-retry", 1);
                         Self::send_transaction(
-                            &send_socket,
-                            &tpu_address,
+                            send_socket,
+                            tpu_address,
                             &transaction_info.wire_transaction,
                         );
                         true

diff --git a/bench-exchange/src/bench.rs b/bench-exchange/src/bench.rs
@@ -451,13 +451,13 @@ fn swapper<T>(
             let to_swap_txs: Vec<_> = to_swap
                 .par_iter()
                 .map(|(signer, swap, profit)| {
-                    let s: &Keypair = &signer;
+                    let s: &Keypair = signer;
                     let owner = &signer.pubkey();
                     let instruction = exchange_instruction::swap_request(
                         owner,
                         &swap.0.pubkey,
                         &swap.1.pubkey,
-                        &profit,
+                        profit,
                     );
                     let message = Message::new(&[instruction], Some(&s.pubkey()));
                     Transaction::new(&[s], message, blockhash)
@@ -600,7 +600,7 @@ fn trader<T>(
                             src,
                         ),
                     ];
-                    let message = Message::new(&instructions, Some(&owner_pubkey));
+                    let message = Message::new(&instructions, Some(owner_pubkey));
                     Transaction::new(&[owner.as_ref(), trade], message, blockhash)
                 })
                 .collect();
@@ -739,7 +739,7 @@ pub fn fund_keys<T: Client>(client: &T, source: &Keypair, dests: &[Arc<Keypair>]
             let mut to_fund_txs: Vec<_> = chunk
                 .par_iter()
                 .map(|(k, m)| {
-                    let instructions = system_instruction::transfer_many(&k.pubkey(), &m);
+                    let instructions = system_instruction::transfer_many(&k.pubkey(), m);
                     let message = Message::new(&instructions, Some(&k.pubkey()));
                     (k.clone(), Transaction::new_unsigned(message))
                 })
@@ -777,7 +777,7 @@ pub fn fund_keys<T: Client>(client: &T, source: &Keypair, dests: &[Arc<Keypair>]
                 let mut waits = 0;
                 loop {
                     sleep(Duration::from_millis(200));
-                    to_fund_txs.retain(|(_, tx)| !verify_funding_transfer(client, &tx, amount));
+                    to_fund_txs.retain(|(_, tx)| !verify_funding_transfer(client, tx, amount));
                     if to_fund_txs.is_empty() {
                         break;
                     }
@@ -836,7 +836,7 @@ pub fn create_token_accounts<T: Client>(
                     );
                     let request_ix =
                         exchange_instruction::account_request(owner_pubkey, &new_keypair.pubkey());
-                    let message = Message::new(&[create_ix, request_ix], Some(&owner_pubkey));
+                    let message = Message::new(&[create_ix, request_ix], Some(owner_pubkey));
                     (
                         (from_keypair, new_keypair),
                         Transaction::new_unsigned(message),
@@ -872,7 +872,7 @@ pub fn create_token_accounts<T: Client>(
                 let mut waits = 0;
                 while !to_create_txs.is_empty() {
                     sleep(Duration::from_millis(200));
-                    to_create_txs.retain(|(_, tx)| !verify_transaction(client, &tx));
+                    to_create_txs.retain(|(_, tx)| !verify_transaction(client, tx));
                     if to_create_txs.is_empty() {
                         break;
                     }
@@ -958,7 +958,7 @@ fn compute_and_report_stats(maxes: &Arc<RwLock<Vec<(String, SampleStats)>>>, tot
 
 fn generate_keypairs(num: u64) -> Vec<Keypair> {
     let mut seed = [0_u8; 32];
-    seed.copy_from_slice(&Keypair::new().pubkey().as_ref());
+    seed.copy_from_slice(Keypair::new().pubkey().as_ref());
     let mut rnd = GenKeys::new(seed);
     rnd.gen_n_keypairs(num)
 }
@@ -989,7 +989,7 @@ pub fn airdrop_lamports<T: Client>(
         let (blockhash, _fee_calculator, _last_valid_slot) = client
             .get_recent_blockhash_with_commitment(CommitmentConfig::processed())
             .expect("Failed to get blockhash");
-        match request_airdrop_transaction(&faucet_addr, &id.pubkey(), amount_to_drop, blockhash) {
+        match request_airdrop_transaction(faucet_addr, &id.pubkey(), amount_to_drop, blockhash) {
             Ok(transaction) => {
                 let signature = client.async_send_transaction(transaction).unwrap();
 

diff --git a/bench-streamer/src/main.rs b/bench-streamer/src/main.rs
@@ -18,7 +18,7 @@ fn producer(addr: &SocketAddr, exit: Arc<AtomicBool>) -> JoinHandle<()> {
     msgs.packets.resize(10, Packet::default());
     for w in msgs.packets.iter_mut() {
         w.meta.size = PACKET_DATA_SIZE;
-        w.meta.set_addr(&addr);
+        w.meta.set_addr(addr);
     }
     let msgs = Arc::new(msgs);
     spawn(move || loop {

diff --git a/bench-tps/src/bench.rs b/bench-tps/src/bench.rs
@@ -544,12 +544,12 @@ impl<'a> FundingTransactions<'a> for Vec<(&'a Keypair, Transaction)> {
 
             // re-sign retained to_fund_txes with updated blockhash
             self.sign(blockhash);
-            self.send(&client);
+            self.send(client);
 
             // Sleep a few slots to allow transactions to process
             sleep(Duration::from_secs(1));
 
-            self.verify(&client, to_lamports);
+            self.verify(client, to_lamports);
 
             // retry anything that seems to have dropped through cracks
             //  again since these txs are all or nothing, they're fine to
@@ -564,7 +564,7 @@ impl<'a> FundingTransactions<'a> for Vec<(&'a Keypair, Transaction)> {
         let to_fund_txs: Vec<(&Keypair, Transaction)> = to_fund
             .par_iter()
             .map(|(k, t)| {
-                let instructions = system_instruction::transfer_many(&k.pubkey(), &t);
+                let instructions = system_instruction::transfer_many(&k.pubkey(), t);
                 let message = Message::new(&instructions, Some(&k.pubkey()));
                 (*k, Transaction::new_unsigned(message))
             })
@@ -617,7 +617,7 @@ impl<'a> FundingTransactions<'a> for Vec<(&'a Keypair, Transaction)> {
                         return None;
                     }
 
-                    let verified = if verify_funding_transfer(&client, &tx, to_lamports) {
+                    let verified = if verify_funding_transfer(&client, tx, to_lamports) {
                         verified_txs.fetch_add(1, Ordering::Relaxed);
                         Some(k.pubkey())
                     } else {
@@ -733,7 +733,7 @@ pub fn airdrop_lamports<T: Client>(
         );
 
         let (blockhash, _fee_calculator) = get_recent_blockhash(client);
-        match request_airdrop_transaction(&faucet_addr, &id.pubkey(), airdrop_amount, blockhash) {
+        match request_airdrop_transaction(faucet_addr, &id.pubkey(), airdrop_amount, blockhash) {
             Ok(transaction) => {
                 let mut tries = 0;
                 loop {

diff --git a/bench-tps/src/main.rs b/bench-tps/src/main.rs
@@ -39,7 +39,7 @@ fn main() {
     let keypair_count = *tx_count * keypair_multiplier;
     if *write_to_client_file {
         info!("Generating {} keypairs", keypair_count);
-        let (keypairs, _) = generate_keypairs(&id, keypair_count as u64);
+        let (keypairs, _) = generate_keypairs(id, keypair_count as u64);
         let num_accounts = keypairs.len() as u64;
         let max_fee =
             FeeRateGovernor::new(*target_lamports_per_signature, 0).max_lamports_per_signature;
@@ -68,7 +68,7 @@ fn main() {
     }
 
     info!("Connecting to the cluster");
-    let nodes = discover_cluster(&entrypoint_addr, *num_nodes).unwrap_or_else(|err| {
+    let nodes = discover_cluster(entrypoint_addr, *num_nodes).unwrap_or_else(|err| {
         eprintln!("Failed to discover {} nodes: {:?}", num_nodes, err);
         exit(1);
     });
@@ -135,7 +135,7 @@ fn main() {
         generate_and_fund_keypairs(
             client.clone(),
             Some(*faucet_addr),
-            &id,
+            id,
             keypair_count,
             *num_lamports_per_account,
         )

diff --git a/clap-utils/src/keypair.rs b/clap-utils/src/keypair.rs
@@ -506,7 +506,7 @@ pub const SKIP_SEED_PHRASE_VALIDATION_ARG: ArgConstant<'static> = ArgConstant {
 
 /// Prompts user for a passphrase and then asks for confirmirmation to check for mistakes
 pub fn prompt_passphrase(prompt: &str) -> Result<String, Box<dyn error::Error>> {
-    let passphrase = prompt_password_stderr(&prompt)?;
+    let passphrase = prompt_password_stderr(prompt)?;
     if !passphrase.is_empty() {
         let confirmed = rpassword::prompt_password_stderr("Enter same passphrase again: ")?;
         if confirmed != passphrase {
@@ -586,9 +586,9 @@ pub fn keypair_from_seed_phrase(
     let keypair = if skip_validation {
         let passphrase = prompt_passphrase(&passphrase_prompt)?;
         if legacy {
-            keypair_from_seed_phrase_and_passphrase(&seed_phrase, &passphrase)?
+            keypair_from_seed_phrase_and_passphrase(seed_phrase, &passphrase)?
         } else {
-            let seed = generate_seed_from_seed_phrase_and_passphrase(&seed_phrase, &passphrase);
+            let seed = generate_seed_from_seed_phrase_and_passphrase(seed_phrase, &passphrase);
             keypair_from_seed_and_derivation_path(&seed, derivation_path)?
         }
     } else {
@@ -616,7 +616,7 @@ pub fn keypair_from_seed_phrase(
         if legacy {
             keypair_from_seed(seed.as_bytes())?
         } else {
-            keypair_from_seed_and_derivation_path(&seed.as_bytes(), derivation_path)?
+            keypair_from_seed_and_derivation_path(seed.as_bytes(), derivation_path)?
         }
     };
 

diff --git a/cli-config/src/config.rs b/cli-config/src/config.rs
@@ -107,24 +107,24 @@ mod test {
     #[test]
     fn compute_websocket_url() {
         assert_eq!(
-            Config::compute_websocket_url(&"http://api.devnet.solana.com"),
+            Config::compute_websocket_url("http://api.devnet.solana.com"),
             "ws://api.devnet.solana.com/".to_string()
         );
 
         assert_eq!(
-            Config::compute_websocket_url(&"https://api.devnet.solana.com"),
+            Config::compute_websocket_url("https://api.devnet.solana.com"),
             "wss://api.devnet.solana.com/".to_string()
         );
 
         assert_eq!(
-            Config::compute_websocket_url(&"http://example.com:8899"),
+            Config::compute_websocket_url("http://example.com:8899"),
             "ws://example.com:8900/".to_string()
         );
         assert_eq!(
-            Config::compute_websocket_url(&"https://example.com:1234"),
+            Config::compute_websocket_url("https://example.com:1234"),
             "wss://example.com:1235/".to_string()
         );
 
-        assert_eq!(Config::compute_websocket_url(&"garbage"), String::new());
+        assert_eq!(Config::compute_websocket_url("garbage"), String::new());
     }
 }
diff --git a/cli-output/src/cli_output.rs b/cli-output/src/cli_output.rs
@@ -1287,7 +1287,7 @@ impl fmt::Display for CliValidatorInfo {
             writeln_name_value(
                 f,
                 &format!("  {}:", to_title_case(key)),
-                &value.as_str().unwrap_or("?"),
+                value.as_str().unwrap_or("?"),
             )?;
         }
         Ok(())
@@ -1768,7 +1768,7 @@ impl fmt::Display for CliTokenAccount {
         writeln_name_value(
             f,
             "Close authority:",
-            &account.close_authority.as_ref().unwrap_or(&String::new()),
+            account.close_authority.as_ref().unwrap_or(&String::new()),
         )?;
         Ok(())
     }
@@ -2006,7 +2006,7 @@ pub fn return_signers_with_config(
 }
 
 pub fn parse_sign_only_reply_string(reply: &str) -> SignOnly {
-    let object: Value = serde_json::from_str(&reply).unwrap();
+    let object: Value = serde_json::from_str(reply).unwrap();
     let blockhash_str = object.get("blockhash").unwrap().as_str().unwrap();
     let blockhash = blockhash_str.parse::<Hash>().unwrap();
     let mut present_signers: Vec<(Pubkey, Signature)> = Vec::new();