Rename swarm driver to event loop

swap/src/alice.rs

@@ -37,13 +37,13 @@ use xmr_btc::{
 };
 
 mod amounts;
+pub mod event_loop;
 mod execution;
 mod message0;
 mod message1;
 mod message2;
 mod message3;
 pub mod swap;
-pub mod swarm_driver;
 
 pub async fn swap(
     bitcoin_wallet: Arc<bitcoin::Wallet>,

swap/src/alice/event_loop.rs

@@ -29,7 +29,7 @@ impl<T> Default for Channels<T> {
     }
 }
 
-pub struct SwarmDriverHandle {
+pub struct EventLoopHandle {
     pub msg0: Receiver<bob::Message0>,
     pub msg1: Receiver<(bob::Message1, ResponseChannel<AliceToBob>)>,
     pub msg2: Receiver<(bob::Message2, ResponseChannel<AliceToBob>)>,
@@ -41,7 +41,7 @@ pub struct SwarmDriverHandle {
     pub send_msg2: Sender<(ResponseChannel<AliceToBob>, alice::Message2)>,
 }
 
-impl SwarmDriverHandle {
+impl EventLoopHandle {
     pub async fn recv_conn_established(&mut self) -> Result<PeerId> {
         self.conn_established
             .recv()
@@ -111,7 +111,7 @@ impl SwarmDriverHandle {
     }
 }
 
-pub struct SwarmDriver {
+pub struct EventLoop {
     pub swarm: libp2p::Swarm<Behaviour>,
     pub msg0: Sender<bob::Message0>,
     pub msg1: Sender<(bob::Message1, ResponseChannel<AliceToBob>)>,
@@ -124,12 +124,12 @@ pub struct SwarmDriver {
     pub send_msg2: Receiver<(ResponseChannel<AliceToBob>, alice::Message2)>,
 }
 
-impl SwarmDriver {
+impl EventLoop {
     pub fn new(
         transport: SwapTransport,
         behaviour: Behaviour,
         listen: Multiaddr,
-    ) -> Result<(Self, SwarmDriverHandle)> {
+    ) -> Result<(Self, EventLoopHandle)> {
         let local_peer_id = behaviour.peer_id();
 
         let mut swarm = libp2p::swarm::SwarmBuilder::new(transport, behaviour, local_peer_id)
@@ -151,7 +151,7 @@ impl SwarmDriver {
         let send_msg1 = Channels::new();
         let send_msg2 = Channels::new();
 
-        let driver = SwarmDriver {
+        let driver = EventLoop {
             swarm,
             msg0: msg0.sender,
             msg1: msg1.sender,
@@ -164,7 +164,7 @@ impl SwarmDriver {
             send_msg2: send_msg2.receiver,
         };
 
-        let handle = SwarmDriverHandle {
+        let handle = EventLoopHandle {
             msg0: msg0.receiver,
             msg1: msg1.receiver,
             msg2: msg2.receiver,

swap/src/alice/execution.rs

@@ -1,5 +1,5 @@
 use crate::{
-    alice::swarm_driver::SwarmDriverHandle, bitcoin, monero, network::request_response::AliceToBob,
+    alice::event_loop::EventLoopHandle, bitcoin, monero, network::request_response::AliceToBob,
     SwapAmounts,
 };
 use anyhow::{bail, Context, Result};
@@ -33,7 +33,7 @@ pub async fn negotiate(
     // a: bitcoin::SecretKey,
     // s_a: cross_curve_dleq::Scalar,
     // v_a: monero::PrivateViewKey,
-    swarm_handle: &mut SwarmDriverHandle,
+    swarm_handle: &mut EventLoopHandle,
     // bitcoin_wallet: Arc<bitcoin::Wallet>,
     config: Config,
 ) -> Result<(ResponseChannel<AliceToBob>, State3)> {
@@ -107,7 +107,7 @@ pub async fn lock_xmr<W>(
     channel: ResponseChannel<AliceToBob>,
     amounts: SwapAmounts,
     state3: State3,
-    swarm: &mut SwarmDriverHandle,
+    swarm: &mut EventLoopHandle,
     monero_wallet: Arc<W>,
 ) -> Result<()>
 where
@@ -136,7 +136,7 @@ where
 }
 
 pub async fn wait_for_bitcoin_encrypted_signature(
-    swarm: &mut SwarmDriverHandle,
+    swarm: &mut EventLoopHandle,
     timeout_duration: Duration,
 ) -> Result<EncryptedSignature> {
     let msg3 = timeout(timeout_duration, swarm.recv_message3())

swap/src/alice/swap.rs

@@ -2,13 +2,13 @@
 //! Alice holds XMR and wishes receive BTC.
 use crate::{
     alice::{
+        event_loop::EventLoopHandle,
         execution::{
             build_bitcoin_punish_transaction, build_bitcoin_redeem_transaction,
             extract_monero_private_key, lock_xmr, negotiate, publish_bitcoin_punish_transaction,
             publish_bitcoin_redeem_transaction, publish_cancel_transaction,
             wait_for_bitcoin_encrypted_signature, wait_for_bitcoin_refund, wait_for_locked_bitcoin,
         },
-        swarm_driver::SwarmDriverHandle,
     },
     bitcoin::EncryptedSignature,
     network::request_response::AliceToBob,
@@ -104,11 +104,11 @@ impl fmt::Display for AliceState {
 
 pub async fn swap(
     state: AliceState,
-    swarm: SwarmDriverHandle,
+    swarm: EventLoopHandle,
     bitcoin_wallet: Arc<crate::bitcoin::Wallet>,
     monero_wallet: Arc<crate::monero::Wallet>,
     config: Config,
-) -> Result<(AliceState, SwarmDriverHandle)> {
+) -> Result<(AliceState, EventLoopHandle)> {
     run_until(
         state,
         is_complete,
@@ -142,11 +142,11 @@ pub fn is_xmr_locked(state: &AliceState) -> bool {
 pub async fn run_until(
     state: AliceState,
     is_target_state: fn(&AliceState) -> bool,
-    mut swarm: SwarmDriverHandle,
+    mut swarm: EventLoopHandle,
     bitcoin_wallet: Arc<crate::bitcoin::Wallet>,
     monero_wallet: Arc<crate::monero::Wallet>,
     config: Config,
-) -> Result<(AliceState, SwarmDriverHandle)> {
+) -> Result<(AliceState, EventLoopHandle)> {
     info!("Current state:{}", state);
     if is_target_state(&state) {
         Ok((state, swarm))

swap/src/bob.rs

@@ -17,13 +17,13 @@ use tracing::{debug, info, warn};
 use uuid::Uuid;
 
 mod amounts;
+pub mod event_loop;
 mod execution;
 mod message0;
 mod message1;
 mod message2;
 mod message3;
 pub mod swap;
-pub mod swarm_driver;
 
 use self::{amounts::*, message0::*, message1::*, message2::*, message3::*};
 use crate::{

swap/src/bob/event_loop.rs

@@ -30,7 +30,7 @@ impl<T> Default for Channels<T> {
     }
 }
 
-pub struct SwarmDriverHandle {
+pub struct EventLoopHandle {
     pub msg0: Receiver<alice::Message0>,
     pub msg1: Receiver<alice::Message1>,
     pub msg2: Receiver<alice::Message2>,
@@ -43,7 +43,7 @@ pub struct SwarmDriverHandle {
     pub send_msg3: Sender<(PeerId, EncryptedSignature)>,
 }
 
-impl SwarmDriverHandle {
+impl EventLoopHandle {
     pub async fn recv_conn_established(&mut self) -> Result<PeerId> {
         self.conn_established
             .recv()
@@ -112,7 +112,7 @@ impl SwarmDriverHandle {
     }
 }
 
-pub struct SwarmDriver {
+pub struct EventLoop {
     pub swarm: libp2p::Swarm<Behaviour>,
     pub msg0: Sender<alice::Message0>,
     pub msg1: Sender<alice::Message1>,
@@ -126,11 +126,8 @@ pub struct SwarmDriver {
     pub send_msg3: Receiver<(PeerId, EncryptedSignature)>,
 }
 
-impl SwarmDriver {
-    pub fn new(
-        transport: SwapTransport,
-        behaviour: Behaviour,
-    ) -> Result<(Self, SwarmDriverHandle)> {
+impl EventLoop {
+    pub fn new(transport: SwapTransport, behaviour: Behaviour) -> Result<(Self, EventLoopHandle)> {
         let local_peer_id = behaviour.peer_id();
 
         let swarm = libp2p::swarm::SwarmBuilder::new(transport, behaviour, local_peer_id)
@@ -150,7 +147,7 @@ impl SwarmDriver {
         let send_msg2 = Channels::new();
         let send_msg3 = Channels::new();
 
-        let driver = SwarmDriver {
+        let driver = EventLoop {
             swarm,
             request_amounts: amounts.receiver,
             msg0: msg0.sender,
@@ -164,7 +161,7 @@ impl SwarmDriver {
             send_msg3: send_msg3.receiver,
         };
 
-        let handle = SwarmDriverHandle {
+        let handle = EventLoopHandle {
             request_amounts: amounts.sender,
             msg0: msg0.receiver,
             msg1: msg1.receiver,

swap/src/bob/execution.rs

@@ -1,4 +1,4 @@
-use crate::{bob::swarm_driver::SwarmDriverHandle, SwapAmounts};
+use crate::{bob::event_loop::EventLoopHandle, SwapAmounts};
 use anyhow::Result;
 use libp2p::core::Multiaddr;
 use rand::{CryptoRng, RngCore};
@@ -8,7 +8,7 @@ use xmr_btc::bob::State2;
 pub async fn negotiate<R>(
     state0: xmr_btc::bob::State0,
     amounts: SwapAmounts,
-    swarm: &mut SwarmDriverHandle,
+    swarm: &mut EventLoopHandle,
     addr: Multiaddr,
     mut rng: R,
     bitcoin_wallet: Arc<crate::bitcoin::Wallet>,

swap/src/bob/swap.rs

@@ -1,5 +1,5 @@
 use crate::{
-    bob::{execution::negotiate, swarm_driver::SwarmDriverHandle},
+    bob::{event_loop::EventLoopHandle, execution::negotiate},
     storage::Database,
     SwapAmounts,
 };
@@ -53,7 +53,7 @@ impl fmt::Display for BobState {
 
 pub async fn swap<R>(
     state: BobState,
-    swarm: SwarmDriverHandle,
+    swarm: EventLoopHandle,
     db: Database,
     bitcoin_wallet: Arc<crate::bitcoin::Wallet>,
     monero_wallet: Arc<crate::monero::Wallet>,
@@ -100,7 +100,7 @@ pub fn is_xmr_locked(state: &BobState) -> bool {
 pub async fn run_until<R>(
     state: BobState,
     is_target_state: fn(&BobState) -> bool,
-    mut swarm: SwarmDriverHandle,
+    mut swarm: EventLoopHandle,
     db: Database,
     bitcoin_wallet: Arc<crate::bitcoin::Wallet>,
     monero_wallet: Arc<crate::monero::Wallet>,

swap/tests/e2e.rs

@@ -222,8 +222,8 @@ async fn init_alice(
     listen: Multiaddr,
 ) -> (
     AliceState,
-    alice::swarm_driver::SwarmDriver,
-    alice::swarm_driver::SwarmDriverHandle,
+    alice::event_loop::EventLoop,
+    alice::event_loop::EventLoopHandle,
     Arc<swap::bitcoin::Wallet>,
     Arc<swap::monero::Wallet>,
     PeerId,
@@ -281,7 +281,7 @@ async fn init_alice(
     let alice_transport = build(alice_behaviour.identity()).unwrap();
 
     let (swarm_driver, handle) =
-        alice::swarm_driver::SwarmDriver::new(alice_transport, alice_behaviour, listen).unwrap();
+        alice::event_loop::EventLoop::new(alice_transport, alice_behaviour, listen).unwrap();
 
     (
         alice_state,
@@ -305,8 +305,8 @@ async fn init_bob(
     xmr_stating_balance: xmr_btc::monero::Amount,
 ) -> (
     BobState,
-    bob::swarm_driver::SwarmDriver,
-    bob::swarm_driver::SwarmDriverHandle,
+    bob::event_loop::EventLoop,
+    bob::event_loop::EventLoopHandle,
     Arc<swap::bitcoin::Wallet>,
     Arc<swap::monero::Wallet>,
     Database,
@@ -358,7 +358,7 @@ async fn init_bob(
     };
 
     let (swarm_driver, swarm_handle) =
-        bob::swarm_driver::SwarmDriver::new(bob_transport, bob_behaviour).unwrap();
+        bob::event_loop::EventLoop::new(bob_transport, bob_behaviour).unwrap();
 
     (
         bob_state,