diff --git a/src/thin_client.rs b/src/thin_client.rs
index 3bc78957cf..d8b1e4fb9b 100644
--- a/src/thin_client.rs
+++ b/src/thin_client.rs
@@ -155,29 +155,27 @@ impl ThinClient {
         }
         ok(self.last_id.expect("some last_id"))
     }
-}
 
-#[cfg(test)]
-pub fn poll_get_balance(client: &mut ThinClient, pubkey: &PublicKey) -> io::Result<i64> {
-    use std::time::Instant;
+    pub fn poll_get_balance(&mut self, pubkey: &PublicKey) -> io::Result<i64> {
+        use std::time::Instant;
 
-    let mut balance;
-    let now = Instant::now();
-    loop {
-        balance = client.get_balance(pubkey);
-        if balance.is_ok() || now.elapsed().as_secs() > 1 {
-            break;
+        let mut balance;
+        let now = Instant::now();
+        loop {
+            balance = self.get_balance(pubkey);
+            if balance.is_ok() || now.elapsed().as_secs() > 1 {
+                break;
+            }
         }
-    }
 
-    balance
+        balance
+    }
 }
 
 #[cfg(test)]
 mod tests {
     use super::*;
     use bank::Bank;
-    use crdt::{Crdt, ReplicatedData};
     use futures::Future;
     use logger;
     use mint::Mint;
@@ -185,14 +183,12 @@ mod tests {
     use server::Server;
     use signature::{KeyPair, KeyPairUtil};
     use std::io::sink;
+    use std::sync::Arc;
     use std::sync::atomic::{AtomicBool, Ordering};
-    use std::sync::{Arc, RwLock};
-    use std::thread::JoinHandle;
     use std::thread::sleep;
     use std::time::Duration;
-    use streamer::default_window;
     use transaction::Instruction;
-    use tvu::tests::TestNode;
+    use tvu::TestNode;
 
     #[test]
     fn test_thin_client() {
@@ -232,7 +228,7 @@ mod tests {
         let _sig = client
             .transfer(500, &alice.keypair(), bob_pubkey, &last_id)
             .unwrap();
-        let balance = poll_get_balance(&mut client, &bob_pubkey);
+        let balance = client.poll_get_balance(&bob_pubkey);
         assert_eq!(balance.unwrap(), 500);
         exit.store(true, Ordering::Relaxed);
         for t in server.thread_hdls {
@@ -290,164 +286,11 @@ mod tests {
         }
         let _sig = client.transfer_signed(tr2).unwrap();
 
-        let balance = poll_get_balance(&mut client, &bob_pubkey);
+        let balance = client.poll_get_balance(&bob_pubkey);
         assert_eq!(balance.unwrap(), 500);
         exit.store(true, Ordering::Relaxed);
         for t in server.thread_hdls {
             t.join().unwrap();
         }
     }
-    fn validator(
-        leader: &ReplicatedData,
-        exit: Arc<AtomicBool>,
-        alice: &Mint,
-        threads: &mut Vec<JoinHandle<()>>,
-    ) {
-        let validator = TestNode::new();
-        let replicant_bank = Bank::new(&alice);
-        let mut ts = Server::new_validator(
-            replicant_bank,
-            validator.data.clone(),
-            validator.sockets.requests,
-            validator.sockets.respond,
-            validator.sockets.replicate,
-            validator.sockets.gossip,
-            leader.clone(),
-            exit.clone(),
-        );
-        threads.append(&mut ts.thread_hdls);
-    }
-
-    fn converge(
-        leader: &ReplicatedData,
-        exit: Arc<AtomicBool>,
-        num_nodes: usize,
-        threads: &mut Vec<JoinHandle<()>>,
-    ) -> Vec<ReplicatedData> {
-        //lets spy on the network
-        let mut spy = TestNode::new();
-        let daddr = "0.0.0.0:0".parse().unwrap();
-        let me = spy.data.id.clone();
-        spy.data.replicate_addr = daddr;
-        spy.data.requests_addr = daddr;
-        let mut spy_crdt = Crdt::new(spy.data);
-        spy_crdt.insert(&leader);
-        spy_crdt.set_leader(leader.id);
-
-        let spy_ref = Arc::new(RwLock::new(spy_crdt));
-        let spy_window = default_window();
-        let t_spy_listen = Crdt::listen(
-            spy_ref.clone(),
-            spy_window,
-            spy.sockets.gossip,
-            exit.clone(),
-        );
-        let t_spy_gossip = Crdt::gossip(spy_ref.clone(), exit.clone());
-        //wait for the network to converge
-        let mut converged = false;
-        for _ in 0..30 {
-            let num = spy_ref.read().unwrap().convergence();
-            if num == num_nodes as u64 {
-                converged = true;
-                break;
-            }
-            sleep(Duration::new(1, 0));
-        }
-        assert!(converged);
-        threads.push(t_spy_listen);
-        threads.push(t_spy_gossip);
-        let v: Vec<ReplicatedData> = spy_ref
-            .read()
-            .unwrap()
-            .table
-            .values()
-            .into_iter()
-            .filter(|x| x.id != me)
-            .map(|x| x.clone())
-            .collect();
-        v.clone()
-    }
-    #[test]
-    fn test_multi_node() {
-        logger::setup();
-        const N: usize = 5;
-        trace!("test_multi_accountant_stub");
-        let leader = TestNode::new();
-        let alice = Mint::new(10_000);
-        let bob_pubkey = KeyPair::new().pubkey();
-        let exit = Arc::new(AtomicBool::new(false));
-
-        let leader_bank = Bank::new(&alice);
-        let server = Server::new_leader(
-            leader_bank,
-            alice.last_id(),
-            None,
-            leader.data.clone(),
-            leader.sockets.requests,
-            leader.sockets.transaction,
-            leader.sockets.broadcast,
-            leader.sockets.respond,
-            leader.sockets.gossip,
-            exit.clone(),
-            sink(),
-        );
-
-        let mut threads = server.thread_hdls;
-        for _ in 0..N {
-            validator(&leader.data, exit.clone(), &alice, &mut threads);
-        }
-        let servers = converge(&leader.data, exit.clone(), N + 2, &mut threads);
-        //contains the leader addr as well
-        assert_eq!(servers.len(), N + 1);
-        //verify leader can do transfer
-        let leader_balance = tx_and_retry_get_balance(&leader.data, &alice, &bob_pubkey).unwrap();
-        assert_eq!(leader_balance, 500);
-        //verify validator has the same balance
-        let mut success = 0usize;
-        for server in servers.iter() {
-            let mut client = mk_client(server);
-            if let Ok(bal) = poll_get_balance(&mut client, &bob_pubkey) {
-                trace!("validator balance {}", bal);
-                if bal == leader_balance {
-                    success += 1;
-                }
-            }
-        }
-        assert_eq!(success, servers.len());
-        exit.store(true, Ordering::Relaxed);
-        for t in threads {
-            t.join().unwrap();
-        }
-    }
-
-    fn mk_client(leader: &ReplicatedData) -> ThinClient {
-        let requests_socket = UdpSocket::bind("0.0.0.0:0").unwrap();
-        requests_socket
-            .set_read_timeout(Some(Duration::new(1, 0)))
-            .unwrap();
-        let transactions_socket = UdpSocket::bind("0.0.0.0:0").unwrap();
-
-        ThinClient::new(
-            leader.requests_addr,
-            requests_socket,
-            leader.transactions_addr,
-            transactions_socket,
-        )
-    }
-
-    fn tx_and_retry_get_balance(
-        leader: &ReplicatedData,
-        alice: &Mint,
-        bob_pubkey: &PublicKey,
-    ) -> io::Result<i64> {
-        let mut client = mk_client(leader);
-        trace!("getting leader last_id");
-        let last_id = client.get_last_id().wait().unwrap();
-        info!("executing leader transer");
-        let _sig = client
-            .transfer(500, &alice.keypair(), *bob_pubkey, &last_id)
-            .unwrap();
-        poll_get_balance(&mut client, bob_pubkey)
-    }
-
 }
diff --git a/src/tvu.rs b/src/tvu.rs
index 11211ef0c1..f3ed957d47 100644
--- a/src/tvu.rs
+++ b/src/tvu.rs
@@ -24,6 +24,7 @@ use bank::Bank;
 use crdt::{Crdt, ReplicatedData};
 use packet;
 use replicate_stage::ReplicateStage;
+use signature::{KeyPair, KeyPairUtil};
 use std::net::UdpSocket;
 use std::sync::atomic::AtomicBool;
 use std::sync::mpsc::channel;
@@ -125,12 +126,54 @@ impl Tvu {
     }
 }
 
-#[cfg(test)]
-use std::time::Duration;
+pub struct Sockets {
+    pub gossip: UdpSocket,
+    pub requests: UdpSocket,
+    pub replicate: UdpSocket,
+    pub transaction: UdpSocket,
+    pub respond: UdpSocket,
+    pub broadcast: UdpSocket,
+}
+
+pub struct TestNode {
+    pub data: ReplicatedData,
+    pub sockets: Sockets,
+}
+
+impl TestNode {
+    pub fn new() -> TestNode {
+        let gossip = UdpSocket::bind("0.0.0.0:0").unwrap();
+        let requests = UdpSocket::bind("0.0.0.0:0").unwrap();
+        let transaction = UdpSocket::bind("0.0.0.0:0").unwrap();
+        let replicate = UdpSocket::bind("0.0.0.0:0").unwrap();
+        let respond = UdpSocket::bind("0.0.0.0:0").unwrap();
+        let broadcast = UdpSocket::bind("0.0.0.0:0").unwrap();
+        let pubkey = KeyPair::new().pubkey();
+        let data = ReplicatedData::new(
+            pubkey,
+            gossip.local_addr().unwrap(),
+            replicate.local_addr().unwrap(),
+            requests.local_addr().unwrap(),
+            transaction.local_addr().unwrap(),
+        );
+        TestNode {
+            data: data,
+            sockets: Sockets {
+                gossip,
+                requests,
+                replicate,
+                transaction,
+                respond,
+                broadcast,
+            },
+        }
+    }
+}
 
 #[cfg(test)]
 pub fn test_node() -> (ReplicatedData, UdpSocket, UdpSocket, UdpSocket, UdpSocket) {
     use signature::{KeyPair, KeyPairUtil};
+    use std::time::Duration;
 
     let transactions_socket = UdpSocket::bind("127.0.0.1:0").unwrap();
     let gossip = UdpSocket::bind("127.0.0.1:0").unwrap();
@@ -155,7 +198,6 @@ pub mod tests {
     use bank::Bank;
     use bincode::serialize;
     use crdt::Crdt;
-    use crdt::ReplicatedData;
     use entry::Entry;
     use hash::{hash, Hash};
     use logger;
@@ -163,14 +205,13 @@ pub mod tests {
     use packet::BlobRecycler;
     use signature::{KeyPair, KeyPairUtil};
     use std::collections::VecDeque;
-    use std::net::UdpSocket;
     use std::sync::atomic::{AtomicBool, Ordering};
     use std::sync::mpsc::channel;
     use std::sync::{Arc, RwLock};
     use std::time::Duration;
     use streamer;
     use transaction::Transaction;
-    use tvu::Tvu;
+    use tvu::{TestNode, Tvu};
 
     /// Test that mesasge sent from leader to target1 and repliated to target2
     #[test]
@@ -303,45 +344,4 @@ pub mod tests {
         t_l_gossip.join().expect("join");
         t_l_listen.join().expect("join");
     }
-    pub struct Sockets {
-        pub gossip: UdpSocket,
-        pub requests: UdpSocket,
-        pub replicate: UdpSocket,
-        pub transaction: UdpSocket,
-        pub respond: UdpSocket,
-        pub broadcast: UdpSocket,
-    }
-    pub struct TestNode {
-        pub data: ReplicatedData,
-        pub sockets: Sockets,
-    }
-    impl TestNode {
-        pub fn new() -> TestNode {
-            let gossip = UdpSocket::bind("0.0.0.0:0").unwrap();
-            let requests = UdpSocket::bind("0.0.0.0:0").unwrap();
-            let transaction = UdpSocket::bind("0.0.0.0:0").unwrap();
-            let replicate = UdpSocket::bind("0.0.0.0:0").unwrap();
-            let respond = UdpSocket::bind("0.0.0.0:0").unwrap();
-            let broadcast = UdpSocket::bind("0.0.0.0:0").unwrap();
-            let pubkey = KeyPair::new().pubkey();
-            let data = ReplicatedData::new(
-                pubkey,
-                gossip.local_addr().unwrap(),
-                replicate.local_addr().unwrap(),
-                requests.local_addr().unwrap(),
-                transaction.local_addr().unwrap(),
-            );
-            TestNode {
-                data: data,
-                sockets: Sockets {
-                    gossip,
-                    requests,
-                    replicate,
-                    transaction,
-                    respond,
-                    broadcast,
-                },
-            }
-        }
-    }
 }
diff --git a/tests/multinode.rs b/tests/multinode.rs
new file mode 100644
index 0000000000..d602b8dd56
--- /dev/null
+++ b/tests/multinode.rs
@@ -0,0 +1,178 @@
+#[macro_use]
+extern crate log;
+extern crate bincode;
+extern crate futures;
+extern crate solana;
+
+use futures::Future;
+use solana::bank::Bank;
+use solana::crdt::{Crdt, ReplicatedData};
+use solana::logger;
+use solana::mint::Mint;
+use solana::server::Server;
+use solana::signature::{KeyPair, KeyPairUtil, PublicKey};
+use solana::streamer::default_window;
+use solana::thin_client::ThinClient;
+use solana::tvu::TestNode;
+use std::io;
+use std::io::sink;
+use std::net::UdpSocket;
+use std::sync::atomic::{AtomicBool, Ordering};
+use std::sync::{Arc, RwLock};
+use std::thread::JoinHandle;
+use std::thread::sleep;
+use std::time::Duration;
+
+fn validator(
+    leader: &ReplicatedData,
+    exit: Arc<AtomicBool>,
+    alice: &Mint,
+    threads: &mut Vec<JoinHandle<()>>,
+) {
+    let validator = TestNode::new();
+    let replicant_bank = Bank::new(&alice);
+    let mut ts = Server::new_validator(
+        replicant_bank,
+        validator.data.clone(),
+        validator.sockets.requests,
+        validator.sockets.respond,
+        validator.sockets.replicate,
+        validator.sockets.gossip,
+        leader.clone(),
+        exit.clone(),
+    );
+    threads.append(&mut ts.thread_hdls);
+}
+
+fn converge(
+    leader: &ReplicatedData,
+    exit: Arc<AtomicBool>,
+    num_nodes: usize,
+    threads: &mut Vec<JoinHandle<()>>,
+) -> Vec<ReplicatedData> {
+    //lets spy on the network
+    let mut spy = TestNode::new();
+    let daddr = "0.0.0.0:0".parse().unwrap();
+    let me = spy.data.id.clone();
+    spy.data.replicate_addr = daddr;
+    spy.data.requests_addr = daddr;
+    let mut spy_crdt = Crdt::new(spy.data);
+    spy_crdt.insert(&leader);
+    spy_crdt.set_leader(leader.id);
+
+    let spy_ref = Arc::new(RwLock::new(spy_crdt));
+    let spy_window = default_window();
+    let t_spy_listen = Crdt::listen(
+        spy_ref.clone(),
+        spy_window,
+        spy.sockets.gossip,
+        exit.clone(),
+    );
+    let t_spy_gossip = Crdt::gossip(spy_ref.clone(), exit.clone());
+    //wait for the network to converge
+    let mut converged = false;
+    for _ in 0..30 {
+        let num = spy_ref.read().unwrap().convergence();
+        if num == num_nodes as u64 {
+            converged = true;
+            break;
+        }
+        sleep(Duration::new(1, 0));
+    }
+    assert!(converged);
+    threads.push(t_spy_listen);
+    threads.push(t_spy_gossip);
+    let v: Vec<ReplicatedData> = spy_ref
+        .read()
+        .unwrap()
+        .table
+        .values()
+        .into_iter()
+        .filter(|x| x.id != me)
+        .map(|x| x.clone())
+        .collect();
+    v.clone()
+}
+
+#[test]
+fn test_multi_node() {
+    logger::setup();
+    const N: usize = 5;
+    trace!("test_multi_accountant_stub");
+    let leader = TestNode::new();
+    let alice = Mint::new(10_000);
+    let bob_pubkey = KeyPair::new().pubkey();
+    let exit = Arc::new(AtomicBool::new(false));
+
+    let leader_bank = Bank::new(&alice);
+    let server = Server::new_leader(
+        leader_bank,
+        alice.last_id(),
+        None,
+        leader.data.clone(),
+        leader.sockets.requests,
+        leader.sockets.transaction,
+        leader.sockets.broadcast,
+        leader.sockets.respond,
+        leader.sockets.gossip,
+        exit.clone(),
+        sink(),
+    );
+
+    let mut threads = server.thread_hdls;
+    for _ in 0..N {
+        validator(&leader.data, exit.clone(), &alice, &mut threads);
+    }
+    let servers = converge(&leader.data, exit.clone(), N + 2, &mut threads);
+    //contains the leader addr as well
+    assert_eq!(servers.len(), N + 1);
+    //verify leader can do transfer
+    let leader_balance = tx_and_retry_get_balance(&leader.data, &alice, &bob_pubkey).unwrap();
+    assert_eq!(leader_balance, 500);
+    //verify validator has the same balance
+    let mut success = 0usize;
+    for server in servers.iter() {
+        let mut client = mk_client(server);
+        if let Ok(bal) = client.poll_get_balance(&bob_pubkey) {
+            trace!("validator balance {}", bal);
+            if bal == leader_balance {
+                success += 1;
+            }
+        }
+    }
+    assert_eq!(success, servers.len());
+    exit.store(true, Ordering::Relaxed);
+    for t in threads {
+        t.join().unwrap();
+    }
+}
+
+fn mk_client(leader: &ReplicatedData) -> ThinClient {
+    let requests_socket = UdpSocket::bind("0.0.0.0:0").unwrap();
+    requests_socket
+        .set_read_timeout(Some(Duration::new(1, 0)))
+        .unwrap();
+    let transactions_socket = UdpSocket::bind("0.0.0.0:0").unwrap();
+
+    ThinClient::new(
+        leader.requests_addr,
+        requests_socket,
+        leader.transactions_addr,
+        transactions_socket,
+    )
+}
+
+fn tx_and_retry_get_balance(
+    leader: &ReplicatedData,
+    alice: &Mint,
+    bob_pubkey: &PublicKey,
+) -> io::Result<i64> {
+    let mut client = mk_client(leader);
+    trace!("getting leader last_id");
+    let last_id = client.get_last_id().wait().unwrap();
+    info!("executing leader transer");
+    let _sig = client
+        .transfer(500, &alice.keypair(), *bob_pubkey, &last_id)
+        .unwrap();
+    client.poll_get_balance(bob_pubkey)
+}