diff --git a/Cargo.lock b/Cargo.lock
index 1ff7dc36cb93d3..8aea0bc5014d71 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1096,6 +1096,21 @@ version = "0.1.29"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1b980f2816d6ee8673b6517b52cb0e808a180efc92e5c19d02cdda79066703ef"
 
+[[package]]
+name = "futures"
+version = "0.3.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1e05b85ec287aac0dc34db7d4a569323df697f9c55b99b15d6b4ef8cde49f613"
+dependencies = [
+ "futures-channel",
+ "futures-core",
+ "futures-executor",
+ "futures-io",
+ "futures-sink",
+ "futures-task",
+ "futures-util",
+]
+
 [[package]]
 name = "futures-channel"
 version = "0.3.5"
@@ -1103,6 +1118,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f366ad74c28cca6ba456d95e6422883cfb4b252a83bed929c83abfdbbf2967d5"
 dependencies = [
  "futures-core",
+ "futures-sink",
 ]
 
 [[package]]
@@ -1117,10 +1133,21 @@ version = "0.1.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ab90cde24b3319636588d0c35fe03b1333857621051837ed769faefb4c2162e4"
 dependencies = [
- "futures",
+ "futures 0.1.29",
  "num_cpus",
 ]
 
+[[package]]
+name = "futures-executor"
+version = "0.3.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "10d6bb888be1153d3abeb9006b11b02cf5e9b209fda28693c31ae1e4e012e314"
+dependencies = [
+ "futures-core",
+ "futures-task",
+ "futures-util",
+]
+
 [[package]]
 name = "futures-io"
 version = "0.3.5"
@@ -1160,9 +1187,11 @@ version = "0.3.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8764574ff08b701a084482c3c7031349104b07ac897393010494beaa18ce32c6"
 dependencies = [
+ "futures-channel",
  "futures-core",
  "futures-io",
  "futures-macro",
+ "futures-sink",
  "futures-task",
  "memchr 2.3.3",
  "pin-project",
@@ -1285,7 +1314,7 @@ dependencies = [
  "byteorder",
  "bytes 0.4.12",
  "fnv",
- "futures",
+ "futures 0.1.29",
  "http 0.1.21",
  "indexmap",
  "log 0.4.8",
@@ -1310,7 +1339,7 @@ dependencies = [
  "log 0.4.8",
  "slab",
  "tokio 0.2.21",
- "tokio-util",
+ "tokio-util 0.3.1",
 ]
 
 [[package]]
@@ -1420,7 +1449,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6741c859c1b2463a423a1dbce98d418e6c3c3fc720fb0d45528657320920292d"
 dependencies = [
  "bytes 0.4.12",
- "futures",
+ "futures 0.1.29",
  "http 0.1.21",
  "tokio-buf",
 ]
@@ -1482,7 +1511,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9dbe6ed1438e1f8ad955a4701e9a944938e9519f6888d12d8558b645e247d5f6"
 dependencies = [
  "bytes 0.4.12",
- "futures",
+ "futures 0.1.29",
  "futures-cpupool",
  "h2 0.1.26",
  "http 0.1.21",
@@ -1699,7 +1728,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ecbdaacc17243168d9d1fa6b2bd7556a27e1e60a621d8a2a6e590ae2b145d158"
 dependencies = [
  "failure",
- "futures",
+ "futures 0.1.29",
  "jsonrpc-core",
  "jsonrpc-pubsub",
  "log 0.4.8",
@@ -1716,7 +1745,7 @@ version = "14.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a0747307121ffb9703afd93afbd0fb4f854c38fb873f2c8b90e0e902f27c7b62"
 dependencies = [
- "futures",
+ "futures 0.1.29",
  "log 0.4.8",
  "serde",
  "serde_derive",
@@ -2815,6 +2844,12 @@ dependencies = [
  "nibble_vec",
 ]
 
+[[package]]
+name = "raii-counter"
+version = "0.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ca2cc9eb8fd5c1faa55b5ec00c3088edcef008fc388647bd34bf3677c2f9d3e4"
+
 [[package]]
 name = "rand"
 version = "0.4.6"
@@ -4497,6 +4532,7 @@ dependencies = [
  "flate2",
  "fnv",
  "fs_extra",
+ "futures 0.3.5",
  "itertools 0.9.0",
  "lazy_static",
  "libc",
@@ -4522,8 +4558,10 @@ dependencies = [
  "solana-vote-program",
  "symlink",
  "tar",
+ "tarpc",
  "tempfile",
  "thiserror",
+ "tokio 0.2.21",
  "zstd",
 ]
 
@@ -5068,7 +5106,7 @@ version = "0.0.1-sol5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "94edebdee2305eabf8ccd7571eecaaa4328d4aba493c3a3e988db67230a8a8c4"
 dependencies = [
- "futures",
+ "futures 0.1.29",
  "hyper 0.12.35",
  "lazy_static",
  "prometheus",
@@ -5459,6 +5497,37 @@ dependencies = [
  "xattr",
 ]
 
+[[package]]
+name = "tarpc"
+version = "0.20.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "43966b393fd4c09e6c34df314d9e6184e87a9c191da6afb400276bb384d81ece"
+dependencies = [
+ "fnv",
+ "futures 0.3.5",
+ "humantime 1.3.0",
+ "log 0.4.8",
+ "pin-project",
+ "raii-counter",
+ "rand 0.7.3",
+ "serde",
+ "tarpc-plugins",
+ "tokio 0.2.21",
+ "tokio-serde",
+ "tokio-util 0.2.0",
+]
+
+[[package]]
+name = "tarpc-plugins"
+version = "0.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "137af8d98d0fbb502b06e0ab113c5ed4dc6432e272f4be2e261c3b94f43296a0"
+dependencies = [
+ "proc-macro2 1.0.17",
+ "quote 1.0.6",
+ "syn 1.0.27",
+]
+
 [[package]]
 name = "tempdir"
 version = "0.3.7"
@@ -5649,7 +5718,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5a09c0b5bb588872ab2f09afa13ee6e9dac11e10a0ec9e8e3ba39a5a5d530af6"
 dependencies = [
  "bytes 0.4.12",
- "futures",
+ "futures 0.1.29",
  "mio",
  "num_cpus",
  "tokio-codec",
@@ -5677,11 +5746,14 @@ dependencies = [
  "futures-core",
  "iovec",
  "lazy_static",
+ "libc",
  "memchr 2.3.3",
  "mio",
+ "mio-uds",
  "num_cpus",
  "pin-project-lite",
  "slab",
+ "tokio-macros",
 ]
 
 [[package]]
@@ -5692,7 +5764,7 @@ checksum = "8fb220f46c53859a4b7ec083e41dec9778ff0b1851c0942b211edb89e0ccdc46"
 dependencies = [
  "bytes 0.4.12",
  "either",
- "futures",
+ "futures 0.1.29",
 ]
 
 [[package]]
@@ -5702,7 +5774,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "25b2998660ba0e70d18684de5d06b70b70a3a747469af9dea7618cc59e75976b"
 dependencies = [
  "bytes 0.4.12",
- "futures",
+ "futures 0.1.29",
  "tokio-io",
 ]
 
@@ -5712,7 +5784,7 @@ version = "0.1.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b1de0e32a83f131e002238d7ccde18211c0a5397f60cbfffcb112868c2e0e20e"
 dependencies = [
- "futures",
+ "futures 0.1.29",
  "tokio-executor",
 ]
 
@@ -5723,7 +5795,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "fb2d1b8f4548dbf5e1f7818512e9c406860678f29c300cdf0ebac72d1a3a1671"
 dependencies = [
  "crossbeam-utils",
- "futures",
+ "futures 0.1.29",
 ]
 
 [[package]]
@@ -5732,7 +5804,7 @@ version = "0.1.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "297a1206e0ca6302a0eed35b700d292b275256f596e2f3fea7729d5e629b6ff4"
 dependencies = [
- "futures",
+ "futures 0.1.29",
  "tokio-io",
  "tokio-threadpool",
 ]
@@ -5744,10 +5816,21 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "57fc868aae093479e3131e3d165c93b1c7474109d13c90ec0dda2a1bbfff0674"
 dependencies = [
  "bytes 0.4.12",
- "futures",
+ "futures 0.1.29",
  "log 0.4.8",
 ]
 
+[[package]]
+name = "tokio-macros"
+version = "0.2.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f0c3acc6aa564495a0f2e1d59fab677cd7f81a19994cfc7f3ad0e64301560389"
+dependencies = [
+ "proc-macro2 1.0.17",
+ "quote 1.0.6",
+ "syn 1.0.27",
+]
+
 [[package]]
 name = "tokio-reactor"
 version = "0.1.12"
@@ -5755,7 +5838,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "09bc590ec4ba8ba87652da2068d150dcada2cfa2e07faae270a5e0409aa51351"
 dependencies = [
  "crossbeam-utils",
- "futures",
+ "futures 0.1.29",
  "lazy_static",
  "log 0.4.8",
  "mio",
@@ -5779,6 +5862,17 @@ dependencies = [
  "webpki",
 ]
 
+[[package]]
+name = "tokio-serde"
+version = "0.6.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ebdd897b01021779294eb09bb3b52b6e11b0747f9f7e333a84bef532b656de99"
+dependencies = [
+ "bytes 0.5.4",
+ "futures 0.3.5",
+ "pin-project",
+]
+
 [[package]]
 name = "tokio-sync"
 version = "0.1.8"
@@ -5786,7 +5880,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "edfe50152bc8164fcc456dab7891fa9bf8beaf01c5ee7e1dd43a397c3cf87dee"
 dependencies = [
  "fnv",
- "futures",
+ "futures 0.1.29",
 ]
 
 [[package]]
@@ -5796,7 +5890,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "98df18ed66e3b72e742f185882a9e201892407957e45fbff8da17ae7a7c51f72"
 dependencies = [
  "bytes 0.4.12",
- "futures",
+ "futures 0.1.29",
  "iovec",
  "mio",
  "tokio-io",
@@ -5812,7 +5906,7 @@ dependencies = [
  "crossbeam-deque",
  "crossbeam-queue",
  "crossbeam-utils",
- "futures",
+ "futures 0.1.29",
  "lazy_static",
  "log 0.4.8",
  "num_cpus",
@@ -5827,7 +5921,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "93044f2d313c95ff1cb7809ce9a7a05735b012288a888b62d4434fd58c94f296"
 dependencies = [
  "crossbeam-utils",
- "futures",
+ "futures 0.1.29",
  "slab",
  "tokio-executor",
 ]
@@ -5838,7 +5932,7 @@ version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "354b8cd83825b3c20217a9dc174d6a0c67441a2fae5c41bcb1ea6679f6ae0f7c"
 dependencies = [
- "futures",
+ "futures 0.1.29",
  "native-tls",
  "tokio-io",
 ]
@@ -5850,7 +5944,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e2a0b10e610b39c38b031a2fcab08e4b82f16ece36504988dcbd81dbba650d82"
 dependencies = [
  "bytes 0.4.12",
- "futures",
+ "futures 0.1.29",
  "log 0.4.8",
  "mio",
  "tokio-codec",
@@ -5865,7 +5959,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5076db410d6fdc6523df7595447629099a1fdc47b3d9f896220780fa48faf798"
 dependencies = [
  "bytes 0.4.12",
- "futures",
+ "futures 0.1.29",
  "iovec",
  "libc",
  "log 0.4.8",
@@ -5876,6 +5970,20 @@ dependencies = [
  "tokio-reactor",
 ]
 
+[[package]]
+name = "tokio-util"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "571da51182ec208780505a32528fc5512a8fe1443ab960b3f2f3ef093cd16930"
+dependencies = [
+ "bytes 0.5.4",
+ "futures-core",
+ "futures-sink",
+ "log 0.4.8",
+ "pin-project-lite",
+ "tokio 0.2.21",
+]
+
 [[package]]
 name = "tokio-util"
 version = "0.3.1"
@@ -6145,7 +6253,7 @@ version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b6395efa4784b027708f7451087e647ec73cc74f5d9bc2e418404248d679a230"
 dependencies = [
- "futures",
+ "futures 0.1.29",
  "log 0.4.8",
  "try-lock",
 ]
@@ -6270,7 +6378,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "413b37840b9e27b340ce91b319ede10731de8c72f5bc4cb0206ec1ca4ce581d0"
 dependencies = [
  "bytes 0.4.12",
- "futures",
+ "futures 0.1.29",
  "hyper 0.10.16",
  "native-tls",
  "rand 0.6.5",
@@ -6294,7 +6402,7 @@ dependencies = [
  "bitflags",
  "byteorder",
  "bytes 0.4.12",
- "futures",
+ "futures 0.1.29",
  "native-tls",
  "rand 0.6.5",
  "sha1",
diff --git a/runtime/Cargo.toml b/runtime/Cargo.toml
index 22e4e31763e260..a85fddac5dbb4a 100644
--- a/runtime/Cargo.toml
+++ b/runtime/Cargo.toml
@@ -17,6 +17,7 @@ dir-diff = "0.3.2"
 flate2 = "1.0.14"
 fnv = "1.0.7"
 fs_extra = "1.1.0"
+futures = "0.3"
 itertools = "0.9.0"
 lazy_static = "1.4.0"
 libc = "0.2.71"
@@ -41,6 +42,7 @@ solana-stake-program = { path = "../programs/stake", version = "1.3.0" }
 solana-vote-program = { path = "../programs/vote", version = "1.3.0" }
 symlink = "0.1.0"
 tar = "0.4.28"
+tarpc = { version = "0.20.0", features = ["full"] }
 tempfile = "3.1.0"
 thiserror = "1.0"
 zstd = "0.5.1"
@@ -52,6 +54,7 @@ name = "solana_runtime"
 [dev-dependencies]
 assert_matches = "1.3.0"
 solana-noop-program = { path = "../programs/noop", version = "1.3.0" }
+tokio = { version = "0.2", features = ["macros"] }
 
 [package.metadata.docs.rs]
 targets = ["x86_64-unknown-linux-gnu"]
diff --git a/runtime/src/bank_forks_client.rs b/runtime/src/bank_forks_client.rs
new file mode 100644
index 00000000000000..a42df4e12b835b
--- /dev/null
+++ b/runtime/src/bank_forks_client.rs
@@ -0,0 +1,156 @@
+use crate::{bank::Bank, bank_forks::BankForks};
+use futures::future::{self, Ready};
+use solana_sdk::{
+    clock::Slot,
+    fee_calculator::FeeCalculator,
+    hash::Hash,
+    signature::Signature,
+    transaction::{self, Transaction},
+};
+use std::{
+    sync::{
+        mpsc::{channel, Receiver, Sender},
+        Arc,
+    },
+    thread::Builder,
+};
+use tarpc::context::Context;
+
+#[tarpc::service]
+trait BankForksRpc {
+    async fn get_recent_blockhash() -> (Hash, FeeCalculator, Slot);
+    async fn send_transaction(transaction: Transaction) -> Signature;
+    async fn get_signature_status(signature: Signature) -> Option<transaction::Result<()>>;
+    async fn get_root_slot() -> Slot;
+}
+
+#[derive(Clone)]
+pub struct BankForksServer {
+    bank_forks: Arc<BankForks>,
+    transaction_sender: Sender<Transaction>,
+}
+
+impl BankForksServer {
+    /// Return a BankForksServer that forwards transactions to the
+    /// given sender. If unit-testing, those transactions can go to
+    /// a bank in the given BankForks. Otherwise, the receiver should
+    /// forward them to a validator in the leader schedule.
+    pub fn new_with_sender(
+        bank_forks: Arc<BankForks>,
+        transaction_sender: Sender<Transaction>,
+    ) -> Self {
+        Self {
+            bank_forks,
+            transaction_sender,
+        }
+    }
+
+    fn run(bank: &Bank, transaction_receiver: Receiver<Transaction>) {
+        while let Ok(tx) = transaction_receiver.recv() {
+            let mut transactions = vec![tx];
+            while let Ok(tx) = transaction_receiver.try_recv() {
+                transactions.push(tx);
+            }
+            let _ = bank.process_transactions(&transactions);
+        }
+    }
+
+    /// Useful for unit-testing
+    pub fn new(bank_forks: Arc<BankForks>) -> Self {
+        let (transaction_sender, transaction_receiver) = channel();
+        let bank = bank_forks.working_bank();
+        Builder::new()
+            .name("solana-bank-forks-client".to_string())
+            .spawn(move || Self::run(&bank, transaction_receiver))
+            .unwrap();
+        Self::new_with_sender(bank_forks, transaction_sender)
+    }
+}
+
+impl BankForksRpc for BankForksServer {
+    type GetRecentBlockhashFut = Ready<(Hash, FeeCalculator, Slot)>;
+    fn get_recent_blockhash(self, _: Context) -> Self::GetRecentBlockhashFut {
+        let bank = self.bank_forks.root_bank();
+        let (blockhash, fee_calculator) = bank.last_blockhash_with_fee_calculator();
+        let last_valid_slot = bank.get_blockhash_last_valid_slot(&blockhash).unwrap();
+        future::ready((blockhash, fee_calculator, last_valid_slot))
+    }
+
+    type SendTransactionFut = Ready<Signature>;
+    fn send_transaction(self, _: Context, transaction: Transaction) -> Self::SendTransactionFut {
+        let signature = transaction.signatures.get(0).cloned().unwrap_or_default();
+        self.transaction_sender.send(transaction).unwrap();
+        future::ready(signature)
+    }
+
+    type GetSignatureStatusFut = Ready<Option<transaction::Result<()>>>;
+    fn get_signature_status(self, _: Context, signature: Signature) -> Self::GetSignatureStatusFut {
+        let bank = self.bank_forks.root_bank();
+        future::ready(bank.get_signature_status(&signature))
+    }
+
+    type GetRootSlotFut = Ready<Slot>;
+    fn get_root_slot(self, _: Context) -> Self::GetRootSlotFut {
+        future::ready(self.bank_forks.root())
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+    use crate::genesis_utils::create_genesis_config;
+    use futures::prelude::*;
+    use solana_sdk::{message::Message, pubkey::Pubkey, signature::Signer, system_instruction};
+    use std::{io, time::Duration};
+    use tarpc::{
+        client, context,
+        server::{self, Handler},
+    };
+
+    #[tokio::test]
+    async fn test_bank_forks_rpc_client_transfer() -> io::Result<()> {
+        let (client_transport, server_transport) = tarpc::transport::channel::unbounded();
+
+        let genesis = create_genesis_config(10);
+        let bank = Bank::new(&genesis.genesis_config);
+        let bank_forks = Arc::new(BankForks::new(bank));
+        let bank_forks_server = BankForksServer::new(bank_forks);
+        let server = server::new(server::Config::default())
+            .incoming(stream::once(future::ready(server_transport)))
+            .respond_with(bank_forks_server.serve());
+        tokio::spawn(server);
+
+        let mut client =
+            BankForksRpcClient::new(client::Config::default(), client_transport).spawn()?;
+
+        let (recent_blockhash, _fee_calculator, last_valid_slot) =
+            client.get_recent_blockhash(context::current()).await?;
+
+        let mint_pubkey = &genesis.mint_keypair.pubkey();
+        let bob_pubkey = Pubkey::new_rand();
+        let instruction = system_instruction::transfer(&mint_pubkey, &bob_pubkey, 1);
+        let message = Message::new_with_payer(&[instruction], Some(&mint_pubkey));
+        let transaction = Transaction::new(&[&genesis.mint_keypair], message, recent_blockhash);
+        let signature = client
+            .send_transaction(context::current(), transaction)
+            .await?;
+
+        let mut status = client
+            .get_signature_status(context::current(), signature)
+            .await?;
+        while status.is_none() {
+            let root_slot = client.get_root_slot(context::current()).await?;
+            if root_slot > last_valid_slot {
+                break;
+            }
+            tokio::time::delay_for(Duration::from_millis(100u64)).await;
+            status = client
+                .get_signature_status(context::current(), signature)
+                .await?;
+        }
+
+        assert_eq!(status, Some(Ok(())));
+
+        Ok(())
+    }
+}
diff --git a/runtime/src/lib.rs b/runtime/src/lib.rs
index 49b33d2572b737..28eb499ee46722 100644
--- a/runtime/src/lib.rs
+++ b/runtime/src/lib.rs
@@ -5,6 +5,7 @@ pub mod append_vec;
 pub mod bank;
 pub mod bank_client;
 pub mod bank_forks;
+pub mod bank_forks_client;
 mod blockhash_queue;
 pub mod bloom;
 pub mod builtin_programs;