Add get_signature_status() to SyncClient

And move bank::Result to transaction module.

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;

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.

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> {

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> {