Replace pk,pubkey,PublicKey by id,NodeID,etc

6 files changed, 137 insertions, 167 deletions

diff --git a/src/conn.rs b/src/conn.rs
index e965fc9..a4c4f4e 100644
--- a/src/conn.rs
+++ b/src/conn.rs
@@ -6,7 +6,6 @@ use std::sync::{Arc, Mutex};
 use bytes::Bytes;
 use log::{debug, error, trace};
 
-use sodiumoxide::crypto::sign::ed25519;
 use tokio::io::split;
 use tokio::net::TcpStream;
 use tokio::sync::{mpsc, oneshot, watch};
@@ -26,7 +25,7 @@ use crate::util::*;
 
 pub(crate) struct ServerConn {
 	pub(crate) remote_addr: SocketAddr,
-	pub(crate) peer_pk: ed25519::PublicKey,
+	pub(crate) peer_id: NodeID,
 
 	netapp: Arc<NetApp>,
 
@@ -40,18 +39,18 @@ impl ServerConn {
 		let handshake = handshake_server(
 			&mut asyncstd_socket,
 			netapp.netid.clone(),
-			netapp.pubkey.clone(),
+			netapp.id.clone(),
 			netapp.privkey.clone(),
 		)
 		.await?;
-		let peer_pk = handshake.peer_pk.clone();
+		let peer_id = handshake.peer_pk.clone();
 
 		let tokio_socket = asyncstd_socket.into_inner();
 		let remote_addr = tokio_socket.peer_addr().unwrap();
 
 		debug!(
 			"Handshake complete (server) with {}@{}",
-			hex::encode(&peer_pk),
+			hex::encode(&peer_id),
 			remote_addr
 		);
 
@@ -70,12 +69,12 @@ impl ServerConn {
 		let conn = Arc::new(ServerConn {
 			netapp: netapp.clone(),
 			remote_addr,
-			peer_pk: peer_pk.clone(),
+			peer_id: peer_id.clone(),
 			resp_send,
 			close_send,
 		});
 
-		netapp.connected_as_server(peer_pk.clone(), conn.clone());
+		netapp.connected_as_server(peer_id.clone(), conn.clone());
 
 		let conn2 = conn.clone();
 		let conn3 = conn.clone();
@@ -97,7 +96,7 @@ impl ServerConn {
 		.map(|_| ())
 		.log_err("ServerConn recv_loop/send_loop");
 
-		netapp.disconnected_as_server(&peer_pk, conn);
+		netapp.disconnected_as_server(&peer_id, conn);
 
 		Ok(())
 	}
@@ -124,7 +123,7 @@ impl RecvLoop for ServerConn {
 
 		if let Some(handler) = self.netapp.msg_handlers.load().get(&kind) {
 			let net_handler = &handler.net_handler;
-			let resp = net_handler(self.peer_pk.clone(), bytes.slice(5..)).await;
+			let resp = net_handler(self.peer_id.clone(), bytes.slice(5..)).await;
 			self.resp_send
 				.send(Some((id, prio, resp)))
 				.log_err("ServerConn recv_handler send resp");
@@ -133,7 +132,7 @@ impl RecvLoop for ServerConn {
 }
 pub(crate) struct ClientConn {
 	pub(crate) remote_addr: SocketAddr,
-	pub(crate) peer_pk: ed25519::PublicKey,
+	pub(crate) peer_id: NodeID,
 
 	query_send: mpsc::UnboundedSender<Option<(RequestID, RequestPriority, Vec<u8>)>>,
 
@@ -147,16 +146,16 @@ impl ClientConn {
 	pub(crate) async fn init(
 		netapp: Arc<NetApp>,
 		socket: TcpStream,
-		remote_pk: ed25519::PublicKey,
+		peer_id: NodeID,
 	) -> Result<(), Error> {
 		let mut asyncstd_socket = TokioCompatExt::wrap(socket);
 
 		let handshake = handshake_client(
 			&mut asyncstd_socket,
 			netapp.netid.clone(),
-			netapp.pubkey.clone(),
+			netapp.id.clone(),
 			netapp.privkey.clone(),
-			remote_pk.clone(),
+			peer_id.clone(),
 		)
 		.await?;
 
@@ -165,7 +164,7 @@ impl ClientConn {
 
 		debug!(
 			"Handshake complete (client) with {}@{}",
-			hex::encode(&remote_pk),
+			hex::encode(&peer_id),
 			remote_addr
 		);
 
@@ -183,7 +182,7 @@ impl ClientConn {
 
 		let conn = Arc::new(ClientConn {
 			remote_addr,
-			peer_pk: remote_pk.clone(),
+			peer_id: peer_id.clone(),
 			next_query_number: AtomicU16::from(0u16),
 			query_send,
 			inflight: Mutex::new(HashMap::new()),
@@ -191,7 +190,7 @@ impl ClientConn {
 			stop_recv_loop,
 		});
 
-		netapp.connected_as_client(remote_pk.clone(), conn.clone());
+		netapp.connected_as_client(peer_id.clone(), conn.clone());
 
 		tokio::spawn(async move {
 			let conn2 = conn.clone();
@@ -205,7 +204,7 @@ impl ClientConn {
 			.map(|_| ())
 			.log_err("ClientConn send_loop/recv_loop/dispatch_loop");
 
-			netapp.disconnected_as_client(&remote_pk, conn);
+			netapp.disconnected_as_client(&peer_id, conn);
 		});
 
 		Ok(())
diff --git a/src/lib.rs b/src/lib.rs
index af8fbb8..6987b54 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -27,3 +27,4 @@ pub mod netapp;
 pub mod peering;
 
 pub use netapp::*;
+pub use util::NodeID;
diff --git a/src/netapp.rs b/src/netapp.rs
index a34b0d6..9733fb7 100644
--- a/src/netapp.rs
+++ b/src/netapp.rs
@@ -28,9 +28,7 @@ pub(crate) struct Handler {
 	pub(crate) local_handler:
 		Box<dyn Fn(DynMsg) -> Pin<Box<dyn Future<Output = DynMsg> + Sync + Send>> + Sync + Send>,
 	pub(crate) net_handler: Box<
-		dyn Fn(ed25519::PublicKey, Bytes) -> Pin<Box<dyn Future<Output = Vec<u8>> + Sync + Send>>
-			+ Sync
-			+ Send,
+		dyn Fn(NodeID, Bytes) -> Pin<Box<dyn Future<Output = Vec<u8>> + Sync + Send>> + Sync + Send,
 	>,
 }
 
@@ -49,17 +47,19 @@ pub(crate) struct Handler {
 pub struct NetApp {
 	listen_params: ArcSwapOption<ListenParams>,
 
+	/// Network secret key
 	pub netid: auth::Key,
-	pub pubkey: ed25519::PublicKey,
+	/// Our peer ID
+	pub id: NodeID,
+	/// Private key associated with our peer ID
 	pub privkey: ed25519::SecretKey,
 
-	server_conns: RwLock<HashMap<ed25519::PublicKey, Arc<ServerConn>>>,
-	client_conns: RwLock<HashMap<ed25519::PublicKey, Arc<ClientConn>>>,
+	server_conns: RwLock<HashMap<NodeID, Arc<ServerConn>>>,
+	client_conns: RwLock<HashMap<NodeID, Arc<ClientConn>>>,
 
 	pub(crate) msg_handlers: ArcSwap<HashMap<MessageKind, Arc<Handler>>>,
-	on_connected_handler:
-		ArcSwapOption<Box<dyn Fn(ed25519::PublicKey, SocketAddr, bool) + Send + Sync>>,
-	on_disconnected_handler: ArcSwapOption<Box<dyn Fn(ed25519::PublicKey, bool) + Send + Sync>>,
+	on_connected_handler: ArcSwapOption<Box<dyn Fn(NodeID, SocketAddr, bool) + Send + Sync>>,
+	on_disconnected_handler: ArcSwapOption<Box<dyn Fn(NodeID, bool) + Send + Sync>>,
 }
 
 struct ListenParams {
@@ -67,14 +67,10 @@ struct ListenParams {
 	public_addr: Option<IpAddr>,
 }
 
-async fn net_handler_aux<M, F, R>(
-	handler: Arc<F>,
-	remote: ed25519::PublicKey,
-	bytes: Bytes,
-) -> Vec<u8>
+async fn net_handler_aux<M, F, R>(handler: Arc<F>, remote: NodeID, bytes: Bytes) -> Vec<u8>
 where
 	M: Message + 'static,
-	F: Fn(ed25519::PublicKey, M) -> R + Send + Sync + 'static,
+	F: Fn(NodeID, M) -> R + Send + Sync + 'static,
 	R: Future<Output = <M as Message>::Response> + Send + Sync,
 {
 	debug!(
@@ -97,14 +93,10 @@ where
 	rmp_to_vec_all_named(&res).unwrap_or(vec![])
 }
 
-async fn local_handler_aux<M, F, R>(
-	handler: Arc<F>,
-	remote: ed25519::PublicKey,
-	msg: DynMsg,
-) -> DynMsg
+async fn local_handler_aux<M, F, R>(handler: Arc<F>, remote: NodeID, msg: DynMsg) -> DynMsg
 where
 	M: Message + 'static,
-	F: Fn(ed25519::PublicKey, M) -> R + Send + Sync + 'static,
+	F: Fn(NodeID, M) -> R + Send + Sync + 'static,
 	R: Future<Output = <M as Message>::Response> + Send + Sync,
 {
 	debug!("Handling message of kind {:08x} from ourself", M::KIND);
@@ -117,12 +109,14 @@ impl NetApp {
 	/// Creates a new instance of NetApp, which can serve either as a full p2p node,
 	/// or just as a passive client. To upgrade to a full p2p node, spawn a listener
 	/// using `.listen()`
+	///
+	/// Our Peer ID is the public key associated to the secret key given here.
 	pub fn new(netid: auth::Key, privkey: ed25519::SecretKey) -> Arc<Self> {
-		let pubkey = privkey.public_key();
+		let id = privkey.public_key();
 		let netapp = Arc::new(Self {
 			listen_params: ArcSwapOption::new(None),
 			netid,
-			pubkey,
+			id,
 			privkey,
 			server_conns: RwLock::new(HashMap::new()),
 			client_conns: RwLock::new(HashMap::new()),
@@ -132,12 +126,10 @@ impl NetApp {
 		});
 
 		let netapp2 = netapp.clone();
-		netapp.add_msg_handler::<HelloMessage, _, _>(
-			move |from: ed25519::PublicKey, msg: HelloMessage| {
-				netapp2.handle_hello_message(from, msg);
-				async { () }
-			},
-		);
+		netapp.add_msg_handler::<HelloMessage, _, _>(move |from: NodeID, msg: HelloMessage| {
+			netapp2.handle_hello_message(from, msg);
+			async { () }
+		});
 
 		netapp
 	}
@@ -147,7 +139,7 @@ impl NetApp {
 	/// as the peering strategy will need to set this itself.
 	pub fn on_connected<F>(&self, handler: F)
 	where
-		F: Fn(ed25519::PublicKey, SocketAddr, bool) + Sized + Send + Sync + 'static,
+		F: Fn(NodeID, SocketAddr, bool) + Sized + Send + Sync + 'static,
 	{
 		self.on_connected_handler
 			.store(Some(Arc::new(Box::new(handler))));
@@ -158,7 +150,7 @@ impl NetApp {
 	/// as the peering strategy will need to set this itself.
 	pub fn on_disconnected<F>(&self, handler: F)
 	where
-		F: Fn(ed25519::PublicKey, bool) + Sized + Send + Sync + 'static,
+		F: Fn(NodeID, bool) + Sized + Send + Sync + 'static,
 	{
 		self.on_disconnected_handler
 			.store(Some(Arc::new(Box::new(handler))));
@@ -169,19 +161,19 @@ impl NetApp {
 	pub fn add_msg_handler<M, F, R>(&self, handler: F)
 	where
 		M: Message + 'static,
-		F: Fn(ed25519::PublicKey, M) -> R + Send + Sync + 'static,
+		F: Fn(NodeID, M) -> R + Send + Sync + 'static,
 		R: Future<Output = <M as Message>::Response> + Send + Sync + 'static,
 	{
 		let handler = Arc::new(handler);
 
 		let handler2 = handler.clone();
-		let net_handler = Box::new(move |remote: ed25519::PublicKey, bytes: Bytes| {
+		let net_handler = Box::new(move |remote: NodeID, bytes: Bytes| {
 			let fun: Pin<Box<dyn Future<Output = Vec<u8>> + Sync + Send>> =
 				Box::pin(net_handler_aux(handler2.clone(), remote, bytes));
 			fun
 		});
 
-		let self_id = self.pubkey.clone();
+		let self_id = self.id.clone();
 		let local_handler = Box::new(move |msg: DynMsg| {
 			let fun: Pin<Box<dyn Future<Output = DynMsg> + Sync + Send>> =
 				Box::pin(local_handler_aux(handler.clone(), self_id, msg));
@@ -232,43 +224,39 @@ impl NetApp {
 	/// This function returns once the connection has been established and a
 	/// successfull handshake was made. At this point we can send messages to
 	/// the other node with `Netapp::request`
-	pub async fn try_connect(
-		self: Arc<Self>,
-		ip: SocketAddr,
-		pk: ed25519::PublicKey,
-	) -> Result<(), Error> {
+	pub async fn try_connect(self: Arc<Self>, ip: SocketAddr, id: NodeID) -> Result<(), Error> {
 		// Don't connect to ourself, we don't care
 		// but pretend we did
-		if pk == self.pubkey {
+		if id == self.id {
 			tokio::spawn(async move {
 				if let Some(h) = self.on_connected_handler.load().as_ref() {
-					h(pk, ip, false);
+					h(id, ip, false);
 				}
 			});
 			return Ok(());
 		}
 
 		// Don't connect if already connected
-		if self.client_conns.read().unwrap().contains_key(&pk) {
+		if self.client_conns.read().unwrap().contains_key(&id) {
 			return Ok(());
 		}
 
 		let socket = TcpStream::connect(ip).await?;
 		info!("Connected to {}, negotiating handshake...", ip);
-		ClientConn::init(self, socket, pk.clone()).await?;
+		ClientConn::init(self, socket, id.clone()).await?;
 		Ok(())
 	}
 
 	/// Close the outgoing connection we have to a node specified by its public key,
 	/// if such a connection is currently open.
-	pub fn disconnect(self: &Arc<Self>, pk: &ed25519::PublicKey) {
-		// If pk is ourself, we're not supposed to have a connection open
-		if *pk != self.pubkey {
-			let conn = self.client_conns.write().unwrap().remove(pk);
+	pub fn disconnect(self: &Arc<Self>, id: &NodeID) {
+		// If id is ourself, we're not supposed to have a connection open
+		if *id != self.id {
+			let conn = self.client_conns.write().unwrap().remove(id);
 			if let Some(c) = conn {
 				debug!(
 					"Closing connection to {} ({})",
-					hex::encode(c.peer_pk),
+					hex::encode(c.peer_id),
 					c.remote_addr
 				);
 				c.close();
@@ -279,24 +267,24 @@ impl NetApp {
 
 		// call on_disconnected_handler immediately, since the connection
 		// was removed
-		// (if pk == self.pubkey, we pretend we disconnected)
-		let pk = *pk;
+		// (if id == self.id, we pretend we disconnected)
+		let id = *id;
 		let self2 = self.clone();
 		tokio::spawn(async move {
 			if let Some(h) = self2.on_disconnected_handler.load().as_ref() {
-				h(pk, false);
+				h(id, false);
 			}
 		});
 	}
 
 	/// Close the incoming connection from a certain client to us,
 	/// if such a connection is currently open.
-	pub fn server_disconnect(self: &Arc<Self>, pk: &ed25519::PublicKey) {
-		let conn = self.server_conns.read().unwrap().get(pk).cloned();
+	pub fn server_disconnect(self: &Arc<Self>, id: &NodeID) {
+		let conn = self.server_conns.read().unwrap().get(id).cloned();
 		if let Some(c) = conn {
 			debug!(
 				"Closing incoming connection from {} ({})",
-				hex::encode(c.peer_pk),
+				hex::encode(c.peer_id),
 				c.remote_addr
 			);
 			c.close();
@@ -308,7 +296,7 @@ impl NetApp {
 	// Do not yet call the on_connected handler, because we don't know if the remote
 	// has an actual IP address and port we can call them back on.
 	// We will know this when they send a Hello message, which is handled below.
-	pub(crate) fn connected_as_server(&self, id: ed25519::PublicKey, conn: Arc<ServerConn>) {
+	pub(crate) fn connected_as_server(&self, id: NodeID, conn: Arc<ServerConn>) {
 		info!("Accepted connection from {}", hex::encode(id));
 
 		self.server_conns.write().unwrap().insert(id, conn);
@@ -319,7 +307,7 @@ impl NetApp {
 	// At this point we know they are a full network member, and not just a client,
 	// and we call the on_connected handler so that the peering strategy knows
 	// we have a new potential peer
-	fn handle_hello_message(&self, id: ed25519::PublicKey, msg: HelloMessage) {
+	fn handle_hello_message(&self, id: NodeID, msg: HelloMessage) {
 		if let Some(h) = self.on_connected_handler.load().as_ref() {
 			if let Some(c) = self.server_conns.read().unwrap().get(&id) {
 				let remote_ip = msg.server_addr.unwrap_or(c.remote_addr.ip());
@@ -332,7 +320,7 @@ impl NetApp {
 	// Called from conn.rs when an incoming connection is closed.
 	// We deregister the connection from server_conns and call the
 	// handler registered by on_disconnected
-	pub(crate) fn disconnected_as_server(&self, id: &ed25519::PublicKey, conn: Arc<ServerConn>) {
+	pub(crate) fn disconnected_as_server(&self, id: &NodeID, conn: Arc<ServerConn>) {
 		info!("Connection from {} closed", hex::encode(id));
 
 		let mut conn_list = self.server_conns.write().unwrap();
@@ -342,7 +330,7 @@ impl NetApp {
 				drop(conn_list);
 
 				if let Some(h) = self.on_disconnected_handler.load().as_ref() {
-					h(conn.peer_pk, true);
+					h(conn.peer_id, true);
 				}
 			}
 		}
@@ -355,7 +343,7 @@ impl NetApp {
 	// Since we are ourself listening, we send them a Hello message so that
 	// they know on which port to call us back. (TODO: don't do this if we are
 	// just a simple client and not a full p2p node)
-	pub(crate) fn connected_as_client(&self, id: ed25519::PublicKey, conn: Arc<ClientConn>) {
+	pub(crate) fn connected_as_client(&self, id: NodeID, conn: Arc<ClientConn>) {
 		info!("Connection established to {}", hex::encode(id));
 
 		{
@@ -366,7 +354,7 @@ impl NetApp {
 		}
 
 		if let Some(h) = self.on_connected_handler.load().as_ref() {
-			h(conn.peer_pk, conn.remote_addr, false);
+			h(conn.peer_id, conn.remote_addr, false);
 		}
 
 		if let Some(lp) = self.listen_params.load_full() {
@@ -389,7 +377,7 @@ impl NetApp {
 	// Called from conn.rs when an outgoinc connection is closed.
 	// The connection is removed from conn_list, and the on_disconnected handler
 	// is called.
-	pub(crate) fn disconnected_as_client(&self, id: &ed25519::PublicKey, conn: Arc<ClientConn>) {
+	pub(crate) fn disconnected_as_client(&self, id: &NodeID, conn: Arc<ClientConn>) {
 		info!("Connection to {} closed", hex::encode(id));
 		let mut conn_list = self.client_conns.write().unwrap();
 		if let Some(c) = conn_list.get(id) {
@@ -398,7 +386,7 @@ impl NetApp {
 				drop(conn_list);
 
 				if let Some(h) = self.on_disconnected_handler.load().as_ref() {
-					h(conn.peer_pk, false);
+					h(conn.peer_id, false);
 				}
 			}
 		}
@@ -412,14 +400,14 @@ impl NetApp {
 	/// The priority is an `u8`, with lower numbers meaning highest priority.
 	pub async fn request<T>(
 		&self,
-		target: &ed25519::PublicKey,
+		target: &NodeID,
 		rq: T,
 		prio: RequestPriority,
 	) -> Result<<T as Message>::Response, Error>
 	where
 		T: Message + 'static,
 	{
-		if *target == self.pubkey {
+		if *target == self.id {
 			let handler = self.msg_handlers.load().get(&T::KIND).cloned();
 			match handler {
 				None => Err(Error::Message(format!(
diff --git a/src/peering/basalt.rs b/src/peering/basalt.rs
index 4d56319..3c1fc9e 100644
--- a/src/peering/basalt.rs
+++ b/src/peering/basalt.rs
@@ -9,11 +9,11 @@ use rand::{thread_rng, Rng};
 use serde::{Deserialize, Serialize};
 
 use sodiumoxide::crypto::hash;
-use sodiumoxide::crypto::sign::ed25519;
 
 use crate::message::*;
 use crate::netapp::*;
 use crate::proto::*;
+use crate::NodeID;
 
 // -- Protocol messages --
 
@@ -41,7 +41,7 @@ type Seed = [u8; 32];
 
 #[derive(Hash, Clone, Copy, Debug, PartialOrd, PartialEq, Eq, Serialize, Deserialize)]
 struct Peer {
-	id: ed25519::PublicKey,
+	id: NodeID,
 	addr: SocketAddr,
 }
 
@@ -168,7 +168,7 @@ impl BasaltView {
 		}
 	}
 
-	fn disconnected(&mut self, id: ed25519::PublicKey) {
+	fn disconnected(&mut self, id: NodeID) {
 		let mut cleared_slots = vec![];
 		for i in 0..self.slots.len() {
 			if let Some(p) = self.slots[i].peer {
@@ -248,7 +248,7 @@ pub struct Basalt {
 impl Basalt {
 	pub fn new(
 		netapp: Arc<NetApp>,
-		bootstrap_list: Vec<(ed25519::PublicKey, SocketAddr)>,
+		bootstrap_list: Vec<(NodeID, SocketAddr)>,
 		param: BasaltParams,
 	) -> Arc<Self> {
 		let bootstrap_peers = bootstrap_list
@@ -272,37 +272,31 @@ impl Basalt {
 		});
 
 		let basalt2 = basalt.clone();
-		netapp.on_connected(
-			move |pk: ed25519::PublicKey, addr: SocketAddr, is_incoming: bool| {
-				basalt2.on_connected(pk, addr, is_incoming);
-			},
-		);
+		netapp.on_connected(move |id: NodeID, addr: SocketAddr, is_incoming: bool| {
+			basalt2.on_connected(id, addr, is_incoming);
+		});
 
 		let basalt2 = basalt.clone();
-		netapp.on_disconnected(move |pk: ed25519::PublicKey, is_incoming: bool| {
-			basalt2.on_disconnected(pk, is_incoming);
+		netapp.on_disconnected(move |id: NodeID, is_incoming: bool| {
+			basalt2.on_disconnected(id, is_incoming);
 		});
 
 		let basalt2 = basalt.clone();
-		netapp.add_msg_handler::<PullMessage, _, _>(
-			move |_from: ed25519::PublicKey, _pullmsg: PullMessage| {
-				let push_msg = basalt2.make_push_message();
-				async move { push_msg }
-			},
-		);
+		netapp.add_msg_handler::<PullMessage, _, _>(move |_from: NodeID, _pullmsg: PullMessage| {
+			let push_msg = basalt2.make_push_message();
+			async move { push_msg }
+		});
 
 		let basalt2 = basalt.clone();
-		netapp.add_msg_handler::<PushMessage, _, _>(
-			move |_from: ed25519::PublicKey, push_msg: PushMessage| {
-				basalt2.handle_peer_list(&push_msg.peers[..]);
-				async move { () }
-			},
-		);
+		netapp.add_msg_handler::<PushMessage, _, _>(move |_from: NodeID, push_msg: PushMessage| {
+			basalt2.handle_peer_list(&push_msg.peers[..]);
+			async move { () }
+		});
 
 		basalt
 	}
 
-	pub fn sample(&self, count: usize) -> Vec<ed25519::PublicKey> {
+	pub fn sample(&self, count: usize) -> Vec<NodeID> {
 		self.view
 			.read()
 			.unwrap()
@@ -337,7 +331,7 @@ impl Basalt {
 		}
 	}
 
-	async fn do_pull(self: Arc<Self>, peer: ed25519::PublicKey) {
+	async fn do_pull(self: Arc<Self>, peer: NodeID) {
 		match self
 			.netapp
 			.request(&peer, PullMessage {}, PRIO_NORMAL)
@@ -353,7 +347,7 @@ impl Basalt {
 		};
 	}
 
-	async fn do_push(self: Arc<Self>, peer: ed25519::PublicKey) {
+	async fn do_push(self: Arc<Self>, peer: NodeID) {
 		let push_msg = self.make_push_message();
 		match self.netapp.request(&peer, push_msg, PRIO_NORMAL).await {
 			Ok(_) => {
@@ -434,12 +428,12 @@ impl Basalt {
 		}
 	}
 
-	fn on_connected(self: &Arc<Self>, pk: ed25519::PublicKey, addr: SocketAddr, is_incoming: bool) {
+	fn on_connected(self: &Arc<Self>, id: NodeID, addr: SocketAddr, is_incoming: bool) {
 		if is_incoming {
-			self.handle_peer_list(&[Peer { id: pk, addr }][..]);
+			self.handle_peer_list(&[Peer { id, addr }][..]);
 		} else {
-			info!("KYEV C {} {}", hex::encode(pk), addr);
-			let peer = Peer { id: pk, addr };
+			info!("KYEV C {} {}", hex::encode(id), addr);
+			let peer = Peer { id, addr };
 
 			let mut backlog = self.backlog.write().unwrap();
 			if backlog.get(&peer).is_none() {
@@ -459,10 +453,10 @@ impl Basalt {
 		}
 	}
 
-	fn on_disconnected(&self, pk: ed25519::PublicKey, is_incoming: bool) {
+	fn on_disconnected(&self, id: NodeID, is_incoming: bool) {
 		if !is_incoming {
-			info!("KYEV D {}", hex::encode(pk));
-			self.view.write().unwrap().disconnected(pk);
+			info!("KYEV D {}", hex::encode(id));
+			self.view.write().unwrap().disconnected(id);
 		}
 	}
 
diff --git a/src/peering/fullmesh.rs b/src/peering/fullmesh.rs
index d6ca08a..a4b9248 100644
--- a/src/peering/fullmesh.rs
+++ b/src/peering/fullmesh.rs
@@ -8,11 +8,11 @@ use log::{debug, info, trace, warn};
 use serde::{Deserialize, Serialize};
 
 use sodiumoxide::crypto::hash;
-use sodiumoxide::crypto::sign::ed25519;
 
 use crate::message::*;
 use crate::netapp::*;
 use crate::proto::*;
+use crate::NodeID;
 
 const CONN_RETRY_INTERVAL: Duration = Duration::from_secs(30);
 const CONN_MAX_RETRIES: usize = 10;
@@ -34,7 +34,7 @@ impl Message for PingMessage {
 
 #[derive(Serialize, Deserialize)]
 struct PeerListMessage {
-	pub list: Vec<(ed25519::PublicKey, SocketAddr)>,
+	pub list: Vec<(NodeID, SocketAddr)>,
 }
 
 impl Message for PeerListMessage {
@@ -54,7 +54,7 @@ struct PeerInfo {
 
 #[derive(Copy, Clone, Debug)]
 pub struct PeerInfoPub {
-	pub id: ed25519::PublicKey,
+	pub id: NodeID,
 	pub addr: SocketAddr,
 	pub state: PeerConnState,
 	pub last_seen: Option<Instant>,
@@ -86,7 +86,7 @@ pub enum PeerConnState {
 }
 
 struct KnownHosts {
-	list: HashMap<ed25519::PublicKey, PeerInfo>,
+	list: HashMap<NodeID, PeerInfo>,
 	hash: hash::Digest,
 }
 
@@ -99,9 +99,7 @@ impl KnownHosts {
 	fn update_hash(&mut self) {
 		self.hash = Self::calculate_hash(&self.list);
 	}
-	fn map_into_vec(
-		input: &HashMap<ed25519::PublicKey, PeerInfo>,
-	) -> Vec<(ed25519::PublicKey, SocketAddr)> {
+	fn map_into_vec(input: &HashMap<NodeID, PeerInfo>) -> Vec<(NodeID, SocketAddr)> {
 		let mut list = Vec::with_capacity(input.len());
 		for (id, peer) in input.iter() {
 			if peer.state == PeerConnState::Connected || peer.state == PeerConnState::Ourself {
@@ -110,7 +108,7 @@ impl KnownHosts {
 		}
 		list
 	}
-	fn calculate_hash(input: &HashMap<ed25519::PublicKey, PeerInfo>) -> hash::Digest {
+	fn calculate_hash(input: &HashMap<NodeID, PeerInfo>) -> hash::Digest {
 		let mut list = Self::map_into_vec(input);
 		list.sort();
 		let mut hash_state = hash::State::new();
@@ -129,15 +127,12 @@ pub struct FullMeshPeeringStrategy {
 }
 
 impl FullMeshPeeringStrategy {
-	pub fn new(
-		netapp: Arc<NetApp>,
-		bootstrap_list: Vec<(ed25519::PublicKey, SocketAddr)>,
-	) -> Arc<Self> {
+	pub fn new(netapp: Arc<NetApp>, bootstrap_list: Vec<(NodeID, SocketAddr)>) -> Arc<Self> {
 		let mut known_hosts = KnownHosts::new();
-		for (pk, addr) in bootstrap_list {
-			if pk != netapp.pubkey {
+		for (id, addr) in bootstrap_list {
+			if id != netapp.id {
 				known_hosts.list.insert(
-					pk,
+					id,
 					PeerInfo {
 						addr: addr,
 						state: PeerConnState::Waiting(0, Instant::now()),
@@ -155,20 +150,18 @@ impl FullMeshPeeringStrategy {
 		});
 
 		let strat2 = strat.clone();
-		netapp.add_msg_handler::<PingMessage, _, _>(
-			move |from: ed25519::PublicKey, ping: PingMessage| {
-				let ping_resp = PingMessage {
-					id: ping.id,
-					peer_list_hash: strat2.known_hosts.read().unwrap().hash,
-				};
-				debug!("Ping from {}", hex::encode(&from));
-				async move { ping_resp }
-			},
-		);
+		netapp.add_msg_handler::<PingMessage, _, _>(move |from: NodeID, ping: PingMessage| {
+			let ping_resp = PingMessage {
+				id: ping.id,
+				peer_list_hash: strat2.known_hosts.read().unwrap().hash,
+			};
+			debug!("Ping from {}", hex::encode(&from));
+			async move { ping_resp }
+		});
 
 		let strat2 = strat.clone();
 		netapp.add_msg_handler::<PeerListMessage, _, _>(
-			move |_from: ed25519::PublicKey, peer_list: PeerListMessage| {
+			move |_from: NodeID, peer_list: PeerListMessage| {
 				strat2.handle_peer_list(&peer_list.list[..]);
 				let peer_list = KnownHosts::map_into_vec(&strat2.known_hosts.read().unwrap().list);
 				let resp = PeerListMessage { list: peer_list };
@@ -177,17 +170,15 @@ impl FullMeshPeeringStrategy {
 		);
 
 		let strat2 = strat.clone();
-		netapp.on_connected(
-			move |pk: ed25519::PublicKey, addr: SocketAddr, is_incoming: bool| {
-				let strat2 = strat2.clone();
-				tokio::spawn(strat2.on_connected(pk, addr, is_incoming));
-			},
-		);
+		netapp.on_connected(move |id: NodeID, addr: SocketAddr, is_incoming: bool| {
+			let strat2 = strat2.clone();
+			tokio::spawn(strat2.on_connected(id, addr, is_incoming));
+		});
 
 		let strat2 = strat.clone();
-		netapp.on_disconnected(move |pk: ed25519::PublicKey, is_incoming: bool| {
+		netapp.on_disconnected(move |id: NodeID, is_incoming: bool| {
 			let strat2 = strat2.clone();
-			tokio::spawn(strat2.on_disconnected(pk, is_incoming));
+			tokio::spawn(strat2.on_disconnected(id, is_incoming));
 		});
 
 		strat
@@ -254,7 +245,7 @@ impl FullMeshPeeringStrategy {
 		}
 	}
 
-	async fn ping(self: Arc<Self>, id: ed25519::PublicKey) {
+	async fn ping(self: Arc<Self>, id: NodeID) {
 		let peer_list_hash = self.known_hosts.read().unwrap().hash;
 		let ping_id = self.next_ping_id.fetch_add(1u64, atomic::Ordering::Relaxed);
 		let ping_time = Instant::now();
@@ -295,7 +286,7 @@ impl FullMeshPeeringStrategy {
 		}
 	}
 
-	async fn exchange_peers(self: Arc<Self>, id: &ed25519::PublicKey) {
+	async fn exchange_peers(self: Arc<Self>, id: &NodeID) {
 		let peer_list = KnownHosts::map_into_vec(&self.known_hosts.read().unwrap().list);
 		let pex_message = PeerListMessage { list: peer_list };
 		match self.netapp.request(id, pex_message, PRIO_BACKGROUND).await {
@@ -306,7 +297,7 @@ impl FullMeshPeeringStrategy {
 		}
 	}
 
-	fn handle_peer_list(&self, list: &[(ed25519::PublicKey, SocketAddr)]) {
+	fn handle_peer_list(&self, list: &[(NodeID, SocketAddr)]) {
 		let mut known_hosts = self.known_hosts.write().unwrap();
 		for (id, addr) in list.iter() {
 			if !known_hosts.list.contains_key(id) {
@@ -315,7 +306,7 @@ impl FullMeshPeeringStrategy {
 		}
 	}
 
-	async fn try_connect(self: Arc<Self>, id: ed25519::PublicKey, addr: SocketAddr) {
+	async fn try_connect(self: Arc<Self>, id: NodeID, addr: SocketAddr) {
 		let conn_result = self.netapp.clone().try_connect(addr, id.clone()).await;
 		if let Err(e) = conn_result {
 			warn!("Error connecting to {}: {}", hex::encode(id), e);
@@ -335,35 +326,30 @@ impl FullMeshPeeringStrategy {
 		}
 	}
 
-	async fn on_connected(
-		self: Arc<Self>,
-		pk: ed25519::PublicKey,
-		addr: SocketAddr,
-		is_incoming: bool,
-	) {
+	async fn on_connected(self: Arc<Self>, id: NodeID, addr: SocketAddr, is_incoming: bool) {
 		if is_incoming {
-			if !self.known_hosts.read().unwrap().list.contains_key(&pk) {
+			if !self.known_hosts.read().unwrap().list.contains_key(&id) {
 				self.known_hosts
 					.write()
 					.unwrap()
 					.list
-					.insert(pk, self.new_peer(&pk, addr));
+					.insert(id, self.new_peer(&id, addr));
 			}
 		} else {
-			info!("Successfully connected to {} at {}", hex::encode(&pk), addr);
+			info!("Successfully connected to {} at {}", hex::encode(&id), addr);
 			let mut known_hosts = self.known_hosts.write().unwrap();
-			if let Some(host) = known_hosts.list.get_mut(&pk) {
+			if let Some(host) = known_hosts.list.get_mut(&id) {
 				host.state = PeerConnState::Connected;
 				known_hosts.update_hash();
 			}
 		}
 	}
 
-	async fn on_disconnected(self: Arc<Self>, pk: ed25519::PublicKey, is_incoming: bool) {
+	async fn on_disconnected(self: Arc<Self>, id: NodeID, is_incoming: bool) {
 		if !is_incoming {
-			info!("Connection to {} was closed", hex::encode(pk));
+			info!("Connection to {} was closed", hex::encode(id));
 			let mut known_hosts = self.known_hosts.write().unwrap();
-			if let Some(host) = known_hosts.list.get_mut(&pk) {
+			if let Some(host) = known_hosts.list.get_mut(&id) {
 				host.state = PeerConnState::Waiting(0, Instant::now());
 				known_hosts.update_hash();
 			}
@@ -406,8 +392,8 @@ impl FullMeshPeeringStrategy {
 		ret
 	}
 
-	fn new_peer(&self, id: &ed25519::PublicKey, addr: SocketAddr) -> PeerInfo {
-		let state = if *id == self.netapp.pubkey {
+	fn new_peer(&self, id: &NodeID, addr: SocketAddr) -> PeerInfo {
+		let state = if *id == self.netapp.id {
 			PeerConnState::Ourself
 		} else {
 			PeerConnState::Waiting(0, Instant::now())
diff --git a/src/util.rs b/src/util.rs
index 017ef00..faeea79 100644
--- a/src/util.rs
+++ b/src/util.rs
@@ -2,6 +2,8 @@ use serde::Serialize;
 
 use tokio::sync::watch;
 
+pub type NodeID = sodiumoxide::crypto::sign::ed25519::PublicKey;
+
 /// Utility function: encodes any serializable value in MessagePack binary format
 /// using the RMP library.
 ///