diff --git a/bench-tps/src/bench.rs b/bench-tps/src/bench.rs
index feff92b8f..ec6fd163a 100644
--- a/bench-tps/src/bench.rs
+++ b/bench-tps/src/bench.rs
@@ -100,7 +100,11 @@ pub fn sample_tx_count(
 }
 
 /// Send loopback payment of 0 tokens and confirm the network processed it
-pub fn send_barrier_transaction(barrier_client: &mut ThinClient, block_hash: &mut Hash, id: &Keypair) {
+pub fn send_barrier_transaction(
+    barrier_client: &mut ThinClient,
+    block_hash: &mut Hash,
+    id: &Keypair,
+) {
     let transfer_start = Instant::now();
 
     let mut poll_count = 0;
diff --git a/core/src/blocktree_processor.rs b/core/src/blocktree_processor.rs
index 813394e73..177f3036b 100644
--- a/core/src/blocktree_processor.rs
+++ b/core/src/blocktree_processor.rs
@@ -464,7 +464,8 @@ mod tests {
         for _ in 0..3 {
             // Transfer one token from the mint to a random account
             let keypair = Keypair::new();
-            let tx = SystemTransaction::new_account(&mint_keypair, keypair.pubkey(), 1, block_hash, 0);
+            let tx =
+                SystemTransaction::new_account(&mint_keypair, keypair.pubkey(), 1, block_hash, 0);
             let entry = Entry::new(&last_entry_hash, 1, vec![tx]);
             last_entry_hash = entry.hash;
             entries.push(entry);
@@ -547,11 +548,21 @@ mod tests {
         let block_hash = bank.last_block_hash();
 
         // ensure bank can process 2 entries that have a common account and no tick is registered
-        let tx =
-            SystemTransaction::new_account(&mint_keypair, keypair1.pubkey(), 2, bank.last_block_hash(), 0);
+        let tx = SystemTransaction::new_account(
+            &mint_keypair,
+            keypair1.pubkey(),
+            2,
+            bank.last_block_hash(),
+            0,
+        );
         let entry_1 = next_entry(&block_hash, 1, vec![tx]);
-        let tx =
-            SystemTransaction::new_account(&mint_keypair, keypair2.pubkey(), 2, bank.last_block_hash(), 0);
+        let tx = SystemTransaction::new_account(
+            &mint_keypair,
+            keypair2.pubkey(),
+            2,
+            bank.last_block_hash(),
+            0,
+        );
         let entry_2 = next_entry(&entry_1.hash, 1, vec![tx]);
         assert_eq!(par_process_entries(&bank, &[entry_1, entry_2]), Ok(()));
         assert_eq!(bank.get_balance(&keypair1.pubkey()), 2);
@@ -594,7 +605,13 @@ mod tests {
             &entry_1_to_mint.hash,
             1,
             vec![
-                SystemTransaction::new_account(&keypair2, keypair3.pubkey(), 2, bank.last_block_hash(), 0), // should be fine
+                SystemTransaction::new_account(
+                    &keypair2,
+                    keypair3.pubkey(),
+                    2,
+                    bank.last_block_hash(),
+                    0,
+                ), // should be fine
                 SystemTransaction::new_account(
                     &keypair1,
                     mint_keypair.pubkey(),
@@ -625,18 +642,40 @@ mod tests {
         let keypair4 = Keypair::new();
 
         //load accounts
-        let tx =
-            SystemTransaction::new_account(&mint_keypair, keypair1.pubkey(), 1, bank.last_block_hash(), 0);
+        let tx = SystemTransaction::new_account(
+            &mint_keypair,
+            keypair1.pubkey(),
+            1,
+            bank.last_block_hash(),
+            0,
+        );
         assert_eq!(bank.process_transaction(&tx), Ok(()));
-        let tx =
-            SystemTransaction::new_account(&mint_keypair, keypair2.pubkey(), 1, bank.last_block_hash(), 0);
+        let tx = SystemTransaction::new_account(
+            &mint_keypair,
+            keypair2.pubkey(),
+            1,
+            bank.last_block_hash(),
+            0,
+        );
         assert_eq!(bank.process_transaction(&tx), Ok(()));
 
         // ensure bank can process 2 entries that do not have a common account and no tick is registered
         let block_hash = bank.last_block_hash();
-        let tx = SystemTransaction::new_account(&keypair1, keypair3.pubkey(), 1, bank.last_block_hash(), 0);
+        let tx = SystemTransaction::new_account(
+            &keypair1,
+            keypair3.pubkey(),
+            1,
+            bank.last_block_hash(),
+            0,
+        );
         let entry_1 = next_entry(&block_hash, 1, vec![tx]);
-        let tx = SystemTransaction::new_account(&keypair2, keypair4.pubkey(), 1, bank.last_block_hash(), 0);
+        let tx = SystemTransaction::new_account(
+            &keypair2,
+            keypair4.pubkey(),
+            1,
+            bank.last_block_hash(),
+            0,
+        );
         let entry_2 = next_entry(&entry_1.hash, 1, vec![tx]);
         assert_eq!(par_process_entries(&bank, &[entry_1, entry_2]), Ok(()));
         assert_eq!(bank.get_balance(&keypair3.pubkey()), 1);
@@ -654,11 +693,21 @@ mod tests {
         let keypair4 = Keypair::new();
 
         //load accounts
-        let tx =
-            SystemTransaction::new_account(&mint_keypair, keypair1.pubkey(), 1, bank.last_block_hash(), 0);
+        let tx = SystemTransaction::new_account(
+            &mint_keypair,
+            keypair1.pubkey(),
+            1,
+            bank.last_block_hash(),
+            0,
+        );
         assert_eq!(bank.process_transaction(&tx), Ok(()));
-        let tx =
-            SystemTransaction::new_account(&mint_keypair, keypair2.pubkey(), 1, bank.last_block_hash(), 0);
+        let tx = SystemTransaction::new_account(
+            &mint_keypair,
+            keypair2.pubkey(),
+            1,
+            bank.last_block_hash(),
+            0,
+        );
         assert_eq!(bank.process_transaction(&tx), Ok(()));
 
         let block_hash = bank.last_block_hash();
@@ -670,7 +719,13 @@ mod tests {
         let tx = SystemTransaction::new_account(&keypair2, keypair3.pubkey(), 1, block_hash, 0);
         let entry_1 = next_entry(&block_hash, 1, vec![tx]);
         let tick = next_entry(&entry_1.hash, 1, vec![]);
-        let tx = SystemTransaction::new_account(&keypair1, keypair4.pubkey(), 1, bank.last_block_hash(), 0);
+        let tx = SystemTransaction::new_account(
+            &keypair1,
+            keypair4.pubkey(),
+            1,
+            bank.last_block_hash(),
+            0,
+        );
         let entry_2 = next_entry(&tick.hash, 1, vec![tx]);
         assert_eq!(
             par_process_entries(&bank, &[entry_1.clone(), tick.clone(), entry_2.clone()]),
@@ -680,7 +735,13 @@ mod tests {
         assert_eq!(bank.get_balance(&keypair4.pubkey()), 1);
 
         // ensure that an error is returned for an empty account (keypair2)
-        let tx = SystemTransaction::new_account(&keypair2, keypair3.pubkey(), 1, bank.last_block_hash(), 0);
+        let tx = SystemTransaction::new_account(
+            &keypair2,
+            keypair3.pubkey(),
+            1,
+            bank.last_block_hash(),
+            0,
+        );
         let entry_3 = next_entry(&entry_2.hash, 1, vec![tx]);
         assert_eq!(
             par_process_entries(&bank, &[entry_3]),
diff --git a/core/src/fullnode.rs b/core/src/fullnode.rs
index 2e41d764d..e7d1816e5 100644
--- a/core/src/fullnode.rs
+++ b/core/src/fullnode.rs
@@ -124,7 +124,11 @@ impl Fullnode {
         let bank_info = &bank_forks_info[0];
         let bank = bank_forks[bank_info.bank_id].clone();
 
-        info!("starting PoH... {} {}", bank.tick_height(), bank.last_block_hash(),);
+        info!(
+            "starting PoH... {} {}",
+            bank.tick_height(),
+            bank.last_block_hash(),
+        );
         let poh_recorder = Arc::new(Mutex::new(PohRecorder::new(
             bank.tick_height(),
             bank.last_block_hash(),
@@ -441,8 +445,13 @@ pub fn make_active_set_entries(
     num_ending_ticks: u64,
 ) -> (Vec<Entry>, VotingKeypair) {
     // 1) Assume the active_keypair node has no tokens staked
-    let transfer_tx =
-        SystemTransaction::new_account(&token_source, active_keypair.pubkey(), stake, *block_hash, 0);
+    let transfer_tx = SystemTransaction::new_account(
+        &token_source,
+        active_keypair.pubkey(),
+        stake,
+        *block_hash,
+        0,
+    );
     let mut last_entry_hash = *block_hash;
     let transfer_entry = next_entry_mut(&mut last_entry_hash, 1, vec![transfer_tx]);
 
@@ -455,7 +464,8 @@ pub fn make_active_set_entries(
     let new_vote_account_entry = next_entry_mut(&mut last_entry_hash, 1, vec![new_vote_account_tx]);
 
     // 3) Create vote entry
-    let vote_tx = VoteTransaction::new_vote(&voting_keypair, slot_height_to_vote_on, *block_hash, 0);
+    let vote_tx =
+        VoteTransaction::new_vote(&voting_keypair, slot_height_to_vote_on, *block_hash, 0);
     let vote_entry = next_entry_mut(&mut last_entry_hash, 1, vec![vote_tx]);
 
     // 4) Create `num_ending_ticks` empty ticks
diff --git a/core/src/replay_stage.rs b/core/src/replay_stage.rs
index 075145c7c..3d73c5713 100644
--- a/core/src/replay_stage.rs
+++ b/core/src/replay_stage.rs
@@ -206,7 +206,9 @@ impl ReplayStage {
         progress: &mut HashMap<u64, (Hash, usize)>,
     ) -> result::Result<(Vec<Entry>, usize)> {
         let bank_id = bank.slot();
-        let bank_progress = &mut progress.entry(bank_id).or_insert((bank.last_block_hash(), 0));
+        let bank_progress = &mut progress
+            .entry(bank_id)
+            .or_insert((bank.last_block_hash(), 0));
         blocktree.get_slot_entries_with_blob_count(bank_id, bank_progress.1 as u64, None)
     }
 
@@ -217,7 +219,9 @@ impl ReplayStage {
         forward_entry_sender: &EntrySender,
         num: usize,
     ) -> result::Result<()> {
-        let bank_progress = &mut progress.entry(bank.slot()).or_insert((bank.last_block_hash(), 0));
+        let bank_progress = &mut progress
+            .entry(bank.slot())
+            .or_insert((bank.last_block_hash(), 0));
         let result = Self::verify_and_process_entries(&bank, &entries, &bank_progress.0);
         bank_progress.1 += num;
         if let Some(last_entry) = entries.last() {
diff --git a/core/src/rpc.rs b/core/src/rpc.rs
index 878c6390c..5b04cdab4 100644
--- a/core/src/rpc.rs
+++ b/core/src/rpc.rs
@@ -211,7 +211,10 @@ impl RpcSol for RpcSolImpl {
 
     fn get_recent_block_hash(&self, meta: Self::Metadata) -> Result<String> {
         info!("get_recent_block_hash rpc request received");
-        meta.request_processor.read().unwrap().get_recent_block_hash()
+        meta.request_processor
+            .read()
+            .unwrap()
+            .get_recent_block_hash()
     }
 
     fn get_signature_status(&self, meta: Self::Metadata, id: String) -> Result<RpcSignatureStatus> {
@@ -255,12 +258,19 @@ impl RpcSol for RpcSolImpl {
         trace!("request_airdrop id={} tokens={}", id, tokens);
         let pubkey = verify_pubkey(id)?;
 
-        let block_hash = meta.request_processor.read().unwrap().bank()?.last_block_hash();
-        let transaction = request_airdrop_transaction(&meta.drone_addr, &pubkey, tokens, block_hash)
-            .map_err(|err| {
-            info!("request_airdrop_transaction failed: {:?}", err);
-            Error::internal_error()
-        })?;;
+        let block_hash = meta
+            .request_processor
+            .read()
+            .unwrap()
+            .bank()?
+            .last_block_hash();
+        let transaction =
+            request_airdrop_transaction(&meta.drone_addr, &pubkey, tokens, block_hash).map_err(
+                |err| {
+                    info!("request_airdrop_transaction failed: {:?}", err);
+                    Error::internal_error()
+                },
+            )?;;
 
         let data = serialize(&transaction).map_err(|err| {
             info!("request_airdrop: serialize error: {:?}", err);
diff --git a/core/src/thin_client.rs b/core/src/thin_client.rs
index 7c5d2eaf4..5540d398b 100644
--- a/core/src/thin_client.rs
+++ b/core/src/thin_client.rs
@@ -220,9 +220,9 @@ impl ThinClient {
     pub fn try_get_recent_block_hash(&mut self, mut num_retries: u64) -> Option<Hash> {
         loop {
             trace!("try_get_recent_block_hash send_to {}", &self.rpc_addr);
-            let response = self
-                .rpc_client
-                .make_rpc_request(1, RpcRequest::GetRecentBlockHash, None);
+            let response =
+                self.rpc_client
+                    .make_rpc_request(1, RpcRequest::GetRecentBlockHash, None);
 
             match response {
                 Ok(value) => {
@@ -514,7 +514,9 @@ mod tests {
         let block_hash = client.get_recent_block_hash();
         info!("test_thin_client block_hash: {:?}", block_hash);
 
-        let signature = client.transfer(500, &alice, bob_pubkey, &block_hash).unwrap();
+        let signature = client
+            .transfer(500, &alice, bob_pubkey, &block_hash)
+            .unwrap();
         info!("test_thin_client signature: {:?}", signature);
         client.poll_for_signature(&signature).unwrap();
 
diff --git a/core/src/tvu.rs b/core/src/tvu.rs
index 23e64d1c6..ea007b02b 100644
--- a/core/src/tvu.rs
+++ b/core/src/tvu.rs
@@ -34,7 +34,7 @@ use std::thread;
 
 pub struct TvuRotationInfo {
     pub tick_height: u64,  // tick height, bank might not exist yet
-    pub block_hash: Hash,     // block_hash that was voted on
+    pub block_hash: Hash,  // block_hash that was voted on
     pub slot: u64,         // slot height to initiate a rotation
     pub leader_id: Pubkey, // leader upon rotation
 }
diff --git a/programs/native/rewards/tests/rewards.rs b/programs/native/rewards/tests/rewards.rs
index 86541ad41..e1859d00c 100644
--- a/programs/native/rewards/tests/rewards.rs
+++ b/programs/native/rewards/tests/rewards.rs
@@ -36,7 +36,8 @@ impl<'a> RewardsBank<'a> {
         lamports: u64,
     ) -> Result<()> {
         let block_hash = self.bank.last_block_hash();
-        let tx = VoteTransaction::fund_staking_account(from_keypair, vote_id, block_hash, lamports, 0);
+        let tx =
+            VoteTransaction::fund_staking_account(from_keypair, vote_id, block_hash, lamports, 0);
         self.bank.process_transaction(&tx)
     }
 
diff --git a/programs/native/storage/tests/storage.rs b/programs/native/storage/tests/storage.rs
index a04c66677..cff221fe2 100644
--- a/programs/native/storage/tests/storage.rs
+++ b/programs/native/storage/tests/storage.rs
@@ -52,10 +52,12 @@ fn test_bank_storage() {
 
     bank.register_tick(&block_hash);
 
-    bank.transfer(10, &alice, jill.pubkey(), block_hash).unwrap();
+    bank.transfer(10, &alice, jill.pubkey(), block_hash)
+        .unwrap();
 
     bank.transfer(10, &alice, bob.pubkey(), block_hash).unwrap();
-    bank.transfer(10, &alice, jack.pubkey(), block_hash).unwrap();
+    bank.transfer(10, &alice, jack.pubkey(), block_hash)
+        .unwrap();
 
     let tx = SystemTransaction::new_program_account(
         &alice,
@@ -94,5 +96,8 @@ fn test_bank_storage() {
         get_storage_entry_height(&bank, bob.pubkey()),
         ENTRIES_PER_SEGMENT
     );
-    assert_eq!(get_storage_block_hash(&bank, bob.pubkey()), storage_block_hash);
+    assert_eq!(
+        get_storage_block_hash(&bank, bob.pubkey()),
+        storage_block_hash
+    );
 }
diff --git a/programs/native/vote/tests/vote.rs b/programs/native/vote/tests/vote.rs
index 0e8ce949c..af8d475a4 100644
--- a/programs/native/vote/tests/vote.rs
+++ b/programs/native/vote/tests/vote.rs
@@ -27,7 +27,8 @@ impl<'a> VoteBank<'a> {
         lamports: u64,
     ) -> Result<()> {
         let block_hash = self.bank.last_block_hash();
-        let tx = VoteTransaction::fund_staking_account(from_keypair, vote_id, block_hash, lamports, 0);
+        let tx =
+            VoteTransaction::fund_staking_account(from_keypair, vote_id, block_hash, lamports, 0);
         self.bank.process_transaction(&tx)
     }
 
diff --git a/programs/tests/programs.rs b/programs/tests/programs.rs
index cd128df88..df5f698c4 100644
--- a/programs/tests/programs.rs
+++ b/programs/tests/programs.rs
@@ -39,7 +39,8 @@ fn load_program(bank: &Bank, from: &Keypair, loader_id: Pubkey, program: Vec<u8>
         offset += chunk_size as u32;
     }
 
-    let tx = LoaderTransaction::new_finalize(&program_account, loader_id, bank.last_block_hash(), 0);
+    let tx =
+        LoaderTransaction::new_finalize(&program_account, loader_id, bank.last_block_hash(), 0);
     bank.process_transaction(&tx).unwrap();
     assert_eq!(bank.get_signature_status(&tx.signatures[0]), Some(Ok(())));
 
@@ -57,7 +58,14 @@ fn test_program_native_noop() {
     let program_id = load_program(&bank, &mint_keypair, native_loader::id(), program);
 
     // Call user program
-    let tx = Transaction::new(&mint_keypair, &[], program_id, &1u8, bank.last_block_hash(), 0);
+    let tx = Transaction::new(
+        &mint_keypair,
+        &[],
+        program_id,
+        &1u8,
+        bank.last_block_hash(),
+        0,
+    );
     bank.process_transaction(&tx).unwrap();
     assert_eq!(bank.get_signature_status(&tx.signatures[0]), Some(Ok(())));
 }
@@ -73,7 +81,14 @@ fn test_program_native_failure() {
     let program_id = load_program(&bank, &mint_keypair, native_loader::id(), program);
 
     // Call user program
-    let tx = Transaction::new(&mint_keypair, &[], program_id, &1u8, bank.last_block_hash(), 0);
+    let tx = Transaction::new(
+        &mint_keypair,
+        &[],
+        program_id,
+        &1u8,
+        bank.last_block_hash(),
+        0,
+    );
     assert_eq!(
         bank.process_transaction(&tx),
         Err(BankError::ProgramError(0, ProgramError::GenericError))
diff --git a/runtime/benches/bank.rs b/runtime/benches/bank.rs
index d8469e5d4..af418232c 100644
--- a/runtime/benches/bank.rs
+++ b/runtime/benches/bank.rs
@@ -32,7 +32,8 @@ fn bench_process_transaction(bencher: &mut Bencher) {
 
             // Seed the 'to' account and a cell for its signature.
             let rando1 = Keypair::new();
-            let tx = SystemTransaction::new_move(&rando0, rando1.pubkey(), 1, bank.last_block_hash(), 0);
+            let tx =
+                SystemTransaction::new_move(&rando0, rando1.pubkey(), 1, bank.last_block_hash(), 0);
             assert_eq!(bank.process_transaction(&tx), Ok(()));
 
             // Finally, return the transaction to the benchmark.
diff --git a/sdk/src/budget_transaction.rs b/sdk/src/budget_transaction.rs
index 2d42f5a4d..aabb4d28f 100644
--- a/sdk/src/budget_transaction.rs
+++ b/sdk/src/budget_transaction.rs
@@ -34,7 +34,12 @@ impl BudgetTransaction {
 
     /// Create and sign a new Transaction. Used for unit-testing.
     #[allow(clippy::new_ret_no_self)]
-    pub fn new(from_keypair: &Keypair, to: Pubkey, tokens: u64, recent_block_hash: Hash) -> Transaction {
+    pub fn new(
+        from_keypair: &Keypair,
+        to: Pubkey,
+        tokens: u64,
+        recent_block_hash: Hash,
+    ) -> Transaction {
         Self::new_payment(from_keypair, to, tokens, recent_block_hash, 0)
     }
 
diff --git a/sdk/src/loader_transaction.rs b/sdk/src/loader_transaction.rs
index 978743375..efaaa3879 100644
--- a/sdk/src/loader_transaction.rs
+++ b/sdk/src/loader_transaction.rs
@@ -18,7 +18,14 @@ impl LoaderTransaction {
         fee: u64,
     ) -> Transaction {
         let instruction = LoaderInstruction::Write { offset, bytes };
-        Transaction::new(from_keypair, &[], loader, &instruction, recent_block_hash, fee)
+        Transaction::new(
+            from_keypair,
+            &[],
+            loader,
+            &instruction,
+            recent_block_hash,
+            fee,
+        )
     }
 
     pub fn new_finalize(
@@ -28,6 +35,13 @@ impl LoaderTransaction {
         fee: u64,
     ) -> Transaction {
         let instruction = LoaderInstruction::Finalize;
-        Transaction::new(from_keypair, &[], loader, &instruction, recent_block_hash, fee)
+        Transaction::new(
+            from_keypair,
+            &[],
+            loader,
+            &instruction,
+            recent_block_hash,
+            fee,
+        )
     }
 }
diff --git a/sdk/src/system_transaction.rs b/sdk/src/system_transaction.rs
index 194a3f1f4..5952ee4f2 100644
--- a/sdk/src/system_transaction.rs
+++ b/sdk/src/system_transaction.rs
@@ -44,7 +44,15 @@ impl SystemTransaction {
         fee: u64,
     ) -> Transaction {
         let program_id = system_program::id();
-        Self::new_program_account(from_keypair, to, recent_block_hash, tokens, 0, program_id, fee)
+        Self::new_program_account(
+            from_keypair,
+            to,
+            recent_block_hash,
+            tokens,
+            0,
+            program_id,
+            fee,
+        )
     }
     /// Create and sign new SystemInstruction::Assign transaction
     pub fn new_assign(
diff --git a/sdk/src/transaction.rs b/sdk/src/transaction.rs
index c2aa28de1..8385d36e6 100644
--- a/sdk/src/transaction.rs
+++ b/sdk/src/transaction.rs
@@ -332,7 +332,8 @@ impl Serialize for Transaction {
             .map_err(Error::custom)?;
         serialize_vec_with(&mut wr, &self.account_keys, Transaction::serialize_pubkey)
             .map_err(Error::custom)?;
-        wr.write_all(self.recent_block_hash.as_ref()).map_err(Error::custom)?;
+        wr.write_all(self.recent_block_hash.as_ref())
+            .map_err(Error::custom)?;
         wr.write_u64::<LittleEndian>(self.fee)
             .map_err(Error::custom)?;
         serialize_vec_with(&mut wr, &self.program_ids, Transaction::serialize_pubkey)
diff --git a/wallet/src/wallet.rs b/wallet/src/wallet.rs
index b067fb0ec..00fdd466e 100644
--- a/wallet/src/wallet.rs
+++ b/wallet/src/wallet.rs
@@ -590,7 +590,8 @@ fn process_pay(
 
 fn process_cancel(rpc_client: &RpcClient, config: &WalletConfig, pubkey: Pubkey) -> ProcessResult {
     let block_hash = get_recent_block_hash(&rpc_client)?;
-    let mut tx = BudgetTransaction::new_signature(&config.id, pubkey, config.id.pubkey(), block_hash);
+    let mut tx =
+        BudgetTransaction::new_signature(&config.id, pubkey, config.id.pubkey(), block_hash);
     let signature_str = send_and_confirm_transaction(&rpc_client, &mut tx, &config.id)?;
     Ok(signature_str.to_string())
 }