diff --git a/core/src/banking_stage.rs b/core/src/banking_stage.rs
index 1a741362e5..73c13fc74e 100644
--- a/core/src/banking_stage.rs
+++ b/core/src/banking_stage.rs
@@ -16,11 +16,11 @@ use crate::service::Service;
 use crate::sigverify_stage::VerifiedPackets;
 use bincode::deserialize;
 use solana_metrics::counter::Counter;
-use solana_runtime::bank::{self, Bank};
+use solana_runtime::bank::Bank;
 use solana_runtime::locked_accounts_results::LockedAccountsResults;
 use solana_sdk::pubkey::Pubkey;
 use solana_sdk::timing::{self, duration_as_us, MAX_RECENT_BLOCKHASHES};
-use solana_sdk::transaction::{Transaction, TransactionError};
+use solana_sdk::transaction::{self, Transaction, TransactionError};
 use std::net::UdpSocket;
 use std::sync::atomic::{AtomicBool, Ordering};
 use std::sync::mpsc::{Receiver, RecvTimeoutError};
@@ -220,7 +220,7 @@ impl BankingStage {
     fn record_transactions(
         bank_slot: u64,
         txs: &[Transaction],
-        results: &[bank::Result<()>],
+        results: &[transaction::Result<()>],
         poh: &Arc<Mutex<PohRecorder>>,
     ) -> Result<()> {
         let processed_transactions: Vec<_> = results
diff --git a/core/src/blocktree_processor.rs b/core/src/blocktree_processor.rs
index 80641489be..8d4543928d 100644
--- a/core/src/blocktree_processor.rs
+++ b/core/src/blocktree_processor.rs
@@ -4,11 +4,12 @@ use crate::entry::{Entry, EntrySlice};
 use crate::leader_schedule_utils;
 use rayon::prelude::*;
 use solana_metrics::counter::Counter;
-use solana_runtime::bank::{Bank, Result};
+use solana_runtime::bank::Bank;
 use solana_runtime::locked_accounts_results::LockedAccountsResults;
 use solana_sdk::genesis_block::GenesisBlock;
 use solana_sdk::timing::duration_as_ms;
 use solana_sdk::timing::MAX_RECENT_BLOCKHASHES;
+use solana_sdk::transaction::Result;
 use std::result;
 use std::sync::Arc;
 use std::time::Instant;
diff --git a/core/src/rpc.rs b/core/src/rpc.rs
index ca1bed17c4..eff8736547 100644
--- a/core/src/rpc.rs
+++ b/core/src/rpc.rs
@@ -10,11 +10,11 @@ use jsonrpc_core::{Error, Metadata, Result};
 use jsonrpc_derive::rpc;
 use solana_client::rpc_signature_status::RpcSignatureStatus;
 use solana_drone::drone::request_airdrop_transaction;
-use solana_runtime::bank;
+use solana_runtime::bank::Bank;
 use solana_sdk::account::Account;
 use solana_sdk::pubkey::Pubkey;
 use solana_sdk::signature::Signature;
-use solana_sdk::transaction::{Transaction, TransactionError};
+use solana_sdk::transaction::{self, Transaction, TransactionError};
 use std::mem;
 use std::net::{SocketAddr, UdpSocket};
 use std::sync::atomic::{AtomicBool, Ordering};
@@ -46,7 +46,7 @@ pub struct JsonRpcRequestProcessor {
 }
 
 impl JsonRpcRequestProcessor {
-    fn bank(&self) -> Arc<bank::Bank> {
+    fn bank(&self) -> Arc<Bank> {
         self.bank_forks.read().unwrap().working_bank()
     }
 
@@ -79,7 +79,7 @@ impl JsonRpcRequestProcessor {
         bs58::encode(id).into_string()
     }
 
-    pub fn get_signature_status(&self, signature: Signature) -> Option<bank::Result<()>> {
+    pub fn get_signature_status(&self, signature: Signature) -> Option<transaction::Result<()>> {
         self.get_signature_confirmation_status(signature)
             .map(|x| x.1)
     }
@@ -92,7 +92,7 @@ impl JsonRpcRequestProcessor {
     pub fn get_signature_confirmation_status(
         &self,
         signature: Signature,
-    ) -> Option<(usize, bank::Result<()>)> {
+    ) -> Option<(usize, transaction::Result<()>)> {
         self.bank().get_signature_confirmation_status(&signature)
     }
 
@@ -731,7 +731,7 @@ mod tests {
 
     fn new_bank_forks() -> (Arc<RwLock<BankForks>>, Keypair) {
         let (genesis_block, alice) = GenesisBlock::new(10_000);
-        let bank = bank::Bank::new(&genesis_block);
+        let bank = Bank::new(&genesis_block);
         (
             Arc::new(RwLock::new(BankForks::new(bank.slot(), bank))),
             alice,
diff --git a/core/src/rpc_pubsub.rs b/core/src/rpc_pubsub.rs
index 84ba7a9c40..73a3939a01 100644
--- a/core/src/rpc_pubsub.rs
+++ b/core/src/rpc_pubsub.rs
@@ -228,12 +228,12 @@ mod tests {
     use jsonrpc_pubsub::{PubSubHandler, Session};
     use solana_budget_api;
     use solana_budget_api::budget_instruction;
-    use solana_runtime::bank::{self, Bank};
+    use solana_runtime::bank::Bank;
     use solana_sdk::genesis_block::GenesisBlock;
     use solana_sdk::pubkey::Pubkey;
     use solana_sdk::signature::{Keypair, KeypairUtil};
     use solana_sdk::system_transaction;
-    use solana_sdk::transaction::Transaction;
+    use solana_sdk::transaction::{self, Transaction};
     use std::thread::sleep;
     use std::time::Duration;
     use tokio::prelude::{Async, Stream};
@@ -242,7 +242,7 @@ mod tests {
         bank: &Arc<Bank>,
         tx: &Transaction,
         subscriptions: &RpcSubscriptions,
-    ) -> bank::Result<Arc<Bank>> {
+    ) -> transaction::Result<Arc<Bank>> {
         bank.process_transaction(tx)?;
         subscriptions.notify_subscribers(&bank);
 
diff --git a/core/src/rpc_subscriptions.rs b/core/src/rpc_subscriptions.rs
index b680c345ea..80d7d3aeab 100644
--- a/core/src/rpc_subscriptions.rs
+++ b/core/src/rpc_subscriptions.rs
@@ -6,11 +6,11 @@ use jsonrpc_core::futures::Future;
 use jsonrpc_pubsub::typed::Sink;
 use jsonrpc_pubsub::SubscriptionId;
 use solana_client::rpc_signature_status::RpcSignatureStatus;
-use solana_runtime::bank::{self, Bank};
+use solana_runtime::bank::Bank;
 use solana_sdk::account::Account;
 use solana_sdk::pubkey::Pubkey;
 use solana_sdk::signature::Signature;
-use solana_sdk::transaction::TransactionError;
+use solana_sdk::transaction::{self, TransactionError};
 use std::collections::HashMap;
 use std::sync::RwLock;
 
@@ -96,7 +96,7 @@ impl RpcSubscriptions {
         }
     }
 
-    pub fn check_signature(&self, signature: &Signature, bank_error: &bank::Result<()>) {
+    pub fn check_signature(&self, signature: &Signature, bank_error: &transaction::Result<()>) {
         let status = match bank_error {
             Ok(_) => RpcSignatureStatus::Confirmed,
             Err(TransactionError::AccountInUse) => RpcSignatureStatus::AccountInUse,
diff --git a/programs/vote_api/src/vote_processor.rs b/programs/vote_api/src/vote_processor.rs
index a72aa3e33e..45c7769884 100644
--- a/programs/vote_api/src/vote_processor.rs
+++ b/programs/vote_api/src/vote_processor.rs
@@ -47,7 +47,7 @@ mod tests {
     use crate::id;
     use crate::vote_instruction::{self, Vote};
     use crate::vote_state::VoteState;
-    use solana_runtime::bank::{Bank, Result};
+    use solana_runtime::bank::Bank;
     use solana_runtime::bank_client::BankClient;
     use solana_sdk::genesis_block::GenesisBlock;
     use solana_sdk::instruction::InstructionError;
@@ -56,7 +56,7 @@ mod tests {
     use solana_sdk::signature::{Keypair, KeypairUtil};
     use solana_sdk::sync_client::SyncClient;
     use solana_sdk::system_instruction;
-    use solana_sdk::transaction::TransactionError;
+    use solana_sdk::transaction::{Result, TransactionError};
 
     fn create_bank(lamports: u64) -> (Bank, Keypair) {
         let (genesis_block, mint_keypair) = GenesisBlock::new(lamports);
diff --git a/runtime/src/accounts.rs b/runtime/src/accounts.rs
index 0820a0dec7..a71becb6af 100644
--- a/runtime/src/accounts.rs
+++ b/runtime/src/accounts.rs
@@ -1,5 +1,4 @@
 use crate::append_vec::AppendVec;
-use crate::bank::Result;
 use crate::message_processor::has_duplicates;
 use bincode::serialize;
 use hashbrown::{HashMap, HashSet};
@@ -12,6 +11,7 @@ use solana_sdk::hash::{hash, Hash};
 use solana_sdk::native_loader;
 use solana_sdk::pubkey::Pubkey;
 use solana_sdk::signature::{Keypair, KeypairUtil};
+use solana_sdk::transaction::Result;
 use solana_sdk::transaction::{Transaction, TransactionError};
 use solana_vote_api;
 use std::collections::BTreeMap;
diff --git a/runtime/src/bank.rs b/runtime/src/bank.rs
index 45c5ad1d70..35483bea0c 100644
--- a/runtime/src/bank.rs
+++ b/runtime/src/bank.rs
@@ -22,10 +22,9 @@ use solana_sdk::pubkey::Pubkey;
 use solana_sdk::signature::{Keypair, Signature};
 use solana_sdk::system_transaction;
 use solana_sdk::timing::{duration_as_ms, duration_as_us, MAX_RECENT_BLOCKHASHES};
-use solana_sdk::transaction::{Transaction, TransactionError};
+use solana_sdk::transaction::{Result, Transaction, TransactionError};
 use solana_vote_api::vote_instruction::Vote;
 use solana_vote_api::vote_state::{Lockout, VoteState};
-use std::result;
 use std::sync::atomic::{AtomicBool, AtomicUsize, Ordering};
 use std::sync::{Arc, RwLock};
 use std::time::Instant;
@@ -106,8 +105,6 @@ impl EpochSchedule {
     }
 }
 
-pub type Result<T> = result::Result<T, TransactionError>;
-
 type BankStatusCache = StatusCache<Result<()>>;
 
 /// Manager for the state of all accounts and programs after processing its entries.
diff --git a/runtime/src/bank_client.rs b/runtime/src/bank_client.rs
index c2452eec31..bd4fd694ad 100644
--- a/runtime/src/bank_client.rs
+++ b/runtime/src/bank_client.rs
@@ -7,7 +7,7 @@ use solana_sdk::signature::Signature;
 use solana_sdk::signature::{Keypair, KeypairUtil};
 use solana_sdk::sync_client::SyncClient;
 use solana_sdk::system_instruction;
-use solana_sdk::transaction::Transaction;
+use solana_sdk::transaction::{self, Transaction};
 use solana_sdk::transport::Result;
 use std::io;
 
@@ -79,6 +79,13 @@ impl<'a> SyncClient for BankClient<'a> {
     fn get_balance(&self, pubkey: &Pubkey) -> Result<u64> {
         Ok(self.bank.get_balance(pubkey))
     }
+
+    fn get_signature_status(
+        &self,
+        signature: &Signature,
+    ) -> Result<Option<transaction::Result<()>>> {
+        Ok(self.bank.get_signature_status(signature))
+    }
 }
 
 impl<'a> BankClient<'a> {
diff --git a/runtime/src/locked_accounts_results.rs b/runtime/src/locked_accounts_results.rs
index 98d8845698..e0e8b2bbce 100644
--- a/runtime/src/locked_accounts_results.rs
+++ b/runtime/src/locked_accounts_results.rs
@@ -1,5 +1,5 @@
-use crate::bank::{Bank, Result};
-use solana_sdk::transaction::Transaction;
+use crate::bank::Bank;
+use solana_sdk::transaction::{Result, Transaction};
 
 // Represents the results of trying to lock a set of accounts
 pub struct LockedAccountsResults<'a, 'b> {
diff --git a/sdk/src/sync_client.rs b/sdk/src/sync_client.rs
index bb42791269..adb2a6226c 100644
--- a/sdk/src/sync_client.rs
+++ b/sdk/src/sync_client.rs
@@ -6,6 +6,7 @@ use crate::instruction::Instruction;
 use crate::message::Message;
 use crate::pubkey::Pubkey;
 use crate::signature::{Keypair, Signature};
+use crate::transaction;
 use crate::transport::Result;
 
 pub trait SyncClient {
@@ -26,4 +27,10 @@ pub trait SyncClient {
 
     /// Get account balance or 0 if not found.
     fn get_balance(&self, pubkey: &Pubkey) -> Result<u64>;
+
+    /// Get signature status.
+    fn get_signature_status(
+        &self,
+        signature: &Signature,
+    ) -> Result<Option<transaction::Result<()>>>;
 }
diff --git a/sdk/src/transaction.rs b/sdk/src/transaction.rs
index a65f517ed3..5b0e249db2 100644
--- a/sdk/src/transaction.rs
+++ b/sdk/src/transaction.rs
@@ -7,6 +7,7 @@ use crate::pubkey::Pubkey;
 use crate::short_vec;
 use crate::signature::{KeypairUtil, Signature};
 use bincode::serialize;
+use std::result;
 
 /// Reasons a transaction might be rejected.
 #[derive(Debug, PartialEq, Eq, Clone)]
@@ -46,6 +47,8 @@ pub enum TransactionError {
     InvalidAccountIndex,
 }
 
+pub type Result<T> = result::Result<T, TransactionError>;
+
 /// An atomic transaction
 #[derive(Debug, PartialEq, Eq, Clone, Serialize, Deserialize)]
 pub struct Transaction {