Merge #567

567: Improve naming of noise protocol parameters r=klochowicz a=klochowicz



Co-authored-by: Mariusz Klochowicz <mariusz@klochowicz.com>

daemon/src/connection.rs

@@ -20,7 +20,7 @@ pub struct Actor {
     status_sender: watch::Sender<ConnectionStatus>,
     send_to_maker: Box<dyn MessageChannel<wire::TakerToMaker>>,
     send_to_maker_ctx: xtra::Context<send_to_socket::Actor<wire::TakerToMaker>>,
-    noise_static_sk: x25519_dalek::StaticSecret,
+    identity_sk: x25519_dalek::StaticSecret,
     maker_to_taker: Box<dyn MessageChannel<wire::MakerToTaker>>,
     /// Max duration since the last heartbeat until we die.
     timeout: Duration,
@@ -28,7 +28,7 @@ pub struct Actor {
 }
 
 pub struct Connect {
-    pub maker_noise_static_pk: x25519_dalek::PublicKey,
+    pub maker_identity_pk: x25519_dalek::PublicKey,
     pub maker_addr: SocketAddr,
 }
 
@@ -49,7 +49,7 @@ impl Actor {
     pub fn new(
         status_sender: watch::Sender<ConnectionStatus>,
         maker_to_taker: Box<dyn MessageChannel<wire::MakerToTaker>>,
-        noise_static_sk: x25519_dalek::StaticSecret,
+        identity_sk: x25519_dalek::StaticSecret,
         timeout: Duration,
     ) -> Self {
         let (send_to_maker_addr, send_to_maker_ctx) = xtra::Context::new(None);
@@ -58,7 +58,7 @@ impl Actor {
             status_sender,
             send_to_maker: Box::new(send_to_maker_addr),
             send_to_maker_ctx,
-            noise_static_sk,
+            identity_sk,
             maker_to_taker,
             timeout,
             connected_state: None,
@@ -79,19 +79,16 @@ impl Actor {
         &mut self,
         Connect {
             maker_addr,
-            maker_noise_static_pk,
+            maker_identity_pk,
         }: Connect,
         ctx: &mut xtra::Context<Self>,
     ) -> Result<()> {
         let (read, write, noise) = {
             let socket = tokio::net::TcpSocket::new_v4().expect("Be able to create a socket");
             let mut connection = socket.connect(maker_addr).await?;
-            let noise = noise::initiator_handshake(
-                &mut connection,
-                &self.noise_static_sk,
-                &maker_noise_static_pk,
-            )
-            .await?;
+            let noise =
+                noise::initiator_handshake(&mut connection, &self.identity_sk, &maker_identity_pk)
+                    .await?;
             let (read, write) = connection.into_split();
             (read, write, Arc::new(Mutex::new(noise)))
         };

daemon/src/lib.rs

@@ -186,7 +186,7 @@ where
         db: SqlitePool,
         wallet_addr: Address<W>,
         oracle_pk: schnorrsig::PublicKey,
-        noise_static_sk: x25519_dalek::StaticSecret,
+        identity_sk: x25519_dalek::StaticSecret,
         oracle_constructor: impl FnOnce(Vec<Cfd>, Box<dyn StrongMessageChannel<Attestation>>) -> O,
         monitor_constructor: impl FnOnce(Box<dyn StrongMessageChannel<monitor::Event>>, Vec<Cfd>) -> F,
         n_payouts: usize,
@@ -228,7 +228,7 @@ where
         tokio::spawn(connection_actor_ctx.run(connection::Actor::new(
             maker_online_status_feed_sender,
             Box::new(cfd_actor_addr.clone()),
-            noise_static_sk,
+            identity_sk,
             HEARTBEAT_INTERVAL * 2,
         )));
 

daemon/src/maker.rs

@@ -192,14 +192,13 @@ async fn main() -> Result<()> {
 
     let auth_password = seed.derive_auth_password::<auth::Password>();
 
-    let noise_static_sk = seed.derive_noise_static_secret();
-    let noise_static_pk = x25519_dalek::PublicKey::from(&noise_static_sk);
+    let (identity_pk, identity_sk) = seed.derive_identity();
 
     tracing::info!(
         "Authentication details: username='{}' password='{}', noise_public_key='{}'",
         MAKER_USERNAME,
         auth_password,
-        hex::encode(noise_static_pk.to_bytes())
+        hex::encode(identity_pk.to_bytes())
     );
 
     // TODO: Actually fetch it from Olivia
@@ -262,7 +261,7 @@ async fn main() -> Result<()> {
                 monitor::Actor::new(electrum, channel, cfds)
             }
         },
-        |channel0, channel1| maker_inc_connections::Actor::new(channel0, channel1, noise_static_sk),
+        |channel0, channel1| maker_inc_connections::Actor::new(channel0, channel1, identity_sk),
         time::Duration::hours(opts.settlement_time_interval_hours as i64),
         N_PAYOUTS,
     )

daemon/src/seed.rs

@@ -66,14 +66,15 @@ impl Seed {
         P::from(password)
     }
 
-    pub fn derive_noise_static_secret(&self) -> x25519_dalek::StaticSecret {
+    pub fn derive_identity(&self) -> (x25519_dalek::PublicKey, x25519_dalek::StaticSecret) {
         let mut secret = [0u8; 32];
 
         Hkdf::<Sha256>::new(None, &self.0)
             .expand(b"NOISE_STATIC_SECRET", &mut secret)
             .expect("okm array is of correct length");
 
-        x25519_dalek::StaticSecret::from(secret)
+        let identity_sk = x25519_dalek::StaticSecret::from(secret);
+        (x25519_dalek::PublicKey::from(&identity_sk), identity_sk)
     }
 }
 

daemon/src/taker.rs

@@ -166,7 +166,7 @@ async fn main() -> Result<()> {
 
     let bitcoin_network = opts.network.bitcoin_network();
     let ext_priv_key = seed.derive_extended_priv_key(bitcoin_network)?;
-    let noise_static_sk = seed.derive_noise_static_secret();
+    let (_, identity_sk) = seed.derive_identity();
 
     let wallet = wallet::Actor::new(
         opts.network.electrum(),
@@ -241,7 +241,7 @@ async fn main() -> Result<()> {
         db.clone(),
         wallet.clone(),
         oracle,
-        noise_static_sk,
+        identity_sk,
         |cfds, channel| oracle::Actor::new(cfds, channel, ANNOUNCEMENT_LOOKAHEAD),
         {
             |channel, cfds| {
@@ -255,7 +255,7 @@ async fn main() -> Result<()> {
 
     while connection_actor_addr
         .send(connection::Connect {
-            maker_noise_static_pk: opts.maker_id,
+            maker_identity_pk: opts.maker_id,
             maker_addr: opts.maker,
         })
         .await?

daemon/tests/harness/mod.rs

@@ -33,7 +33,7 @@ pub async fn start_both() -> (Maker, Taker) {
     .unwrap();
 
     let maker = Maker::start(oracle_pk).await;
-    let taker = Taker::start(oracle_pk, maker.listen_addr, maker.noise_static_pk).await;
+    let taker = Taker::start(oracle_pk, maker.listen_addr, maker.identity_pk).await;
     (maker, taker)
 }
 
@@ -51,7 +51,7 @@ pub struct Maker {
     pub inc_conn_actor_addr: xtra::Address<maker_inc_connections::Actor>,
     pub listen_addr: SocketAddr,
     pub mocks: mocks::Mocks,
-    pub noise_static_pk: x25519_dalek::PublicKey,
+    pub identity_pk: x25519_dalek::PublicKey,
 }
 
 impl Maker {
@@ -67,9 +67,7 @@ impl Maker {
         let settlement_time_interval_hours = time::Duration::hours(24);
 
         let seed = Seed::default();
-
-        let noise_static_sk = seed.derive_noise_static_secret();
-        let noise_static_pk = x25519_dalek::PublicKey::from(&noise_static_sk);
+        let (identity_pk, identity_sk) = seed.derive_identity();
 
         let maker = daemon::MakerActorSystem::new(
             db,
@@ -77,9 +75,7 @@ impl Maker {
             oracle_pk,
             |_, _| oracle,
             |_, _| async { Ok(monitor) },
-            |channel0, channel1| {
-                maker_inc_connections::Actor::new(channel0, channel1, noise_static_sk)
-            },
+            |channel0, channel1| maker_inc_connections::Actor::new(channel0, channel1, identity_sk),
             settlement_time_interval_hours,
             N_PAYOUTS_FOR_TEST,
         )
@@ -110,7 +106,7 @@ impl Maker {
             cfd_feed: maker.cfd_feed_receiver,
             inc_conn_actor_addr: maker.inc_conn_addr,
             listen_addr: address,
-            noise_static_pk,
+            identity_pk,
             mocks,
         }
     }
@@ -158,7 +154,7 @@ impl Taker {
     ) -> Self {
         let seed = Seed::default();
 
-        let noise_static_sk = seed.derive_noise_static_secret();
+        let (_, identity_sk) = seed.derive_identity();
 
         let db = in_memory_db().await;
 
@@ -172,7 +168,7 @@ impl Taker {
             db,
             wallet_addr,
             oracle_pk,
-            noise_static_sk,
+            identity_sk,
             |_, _| oracle,
             |_, _| async { Ok(monitor) },
             N_PAYOUTS_FOR_TEST,
@@ -183,7 +179,7 @@ impl Taker {
         taker
             .connection_actor_addr
             .send(Connect {
-                maker_noise_static_pk: maker_noise_pub_key,
+                maker_identity_pk: maker_noise_pub_key,
                 maker_addr: maker_address,
             })
             .await