Use Alice swap factory in production

swap/src/lib.rs

@@ -56,6 +56,12 @@ pub struct SwapAmounts {
     pub xmr: monero::Amount,
 }
 
+#[derive(Debug, Clone)]
+pub struct StartingBalances {
+    pub xmr: monero::Amount,
+    pub btc: bitcoin::Amount,
+}
+
 // TODO: Display in XMR and BTC (not picos and sats).
 impl Display for SwapAmounts {
     fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {

swap/src/main.rs

@@ -26,10 +26,10 @@ use swap::{
     database::{Database, Swap},
     monero, network,
     network::transport::build,
-    protocol::{alice, alice::AliceState, bob, bob::BobState},
+    protocol::{alice, bob, bob::BobState},
     seed::Seed,
     trace::init_tracing,
-    SwapAmounts,
+    StartingBalances, SwapAmounts,
 };
 use tracing::{info, log::LevelFilter};
 use uuid::Uuid;
@@ -51,8 +51,9 @@ async fn main() -> Result<()> {
         opt.data_dir
     );
     let data_dir = std::path::Path::new(opt.data_dir.as_str()).to_path_buf();
-    let db =
+    let db_path = data_dir.join("database");
-        Database::open(data_dir.join("database").as_path()).context("Could not open database")?;
+
+    let db = Database::open(db_path.as_path()).context("Could not open database")?;
 
     let seed = swap::config::seed::Seed::from_file_or_generate(&data_dir)
         .expect("Could not retrieve/initialize seed")
@@ -67,7 +68,12 @@ async fn main() -> Result<()> {
             send_monero,
             receive_bitcoin,
         } => {
-            let (bitcoin_wallet, monero_wallet) = setup_wallets(
+            let swap_amounts = SwapAmounts {
+                xmr: send_monero,
+                btc: receive_bitcoin,
+            };
+
+            let (bitcoin_wallet, monero_wallet, starting_balances) = setup_wallets(
                 bitcoind_url,
                 bitcoin_wallet_name.as_str(),
                 monero_wallet_rpc_url,
@@ -75,50 +81,23 @@ async fn main() -> Result<()> {
             )
             .await?;
 
-            let amounts = SwapAmounts {
-                btc: receive_bitcoin,
-                xmr: send_monero,
-            };
-
-            let alice_state = {
-                let rng = &mut OsRng;
-                let a = bitcoin::SecretKey::new_random(rng);
-                let s_a = cross_curve_dleq::Scalar::random(rng);
-                let v_a = monero::PrivateViewKey::new_random(rng);
-                let redeem_address = bitcoin_wallet.as_ref().new_address().await?;
-                let punish_address = redeem_address.clone();
-                let state0 = alice::state::State0::new(
-                    a,
-                    s_a,
-                    v_a,
-                    amounts.btc,
-                    amounts.xmr,
-                    config.bitcoin_cancel_timelock,
-                    config.bitcoin_punish_timelock,
-                    redeem_address,
-                    punish_address,
-                );
-
-                AliceState::Started { amounts, state0 }
-            };
-
             let swap_id = Uuid::new_v4();
-            info!(
-                "Swap sending {} and receiving {} started with ID {}",
-                send_monero, receive_bitcoin, swap_id
-            );
 
-            alice_swap(
+            let alice_factory = alice::AliceSwapFactory::new(
+                seed,
+                config,
                 swap_id,
-                alice_state,
-                listen_addr,
                 bitcoin_wallet,
                 monero_wallet,
-                config,
+                starting_balances,
-                db,
+                db_path,
-                seed,
+                listen_addr,
             )
-            .await?;
+            .await;
+            let (swap, mut event_loop) = alice_factory.new_swap_as_alice(swap_amounts).await?;
+
+            tokio::spawn(async move { event_loop.run().await });
+            alice::run(swap).await?;
         }
         Command::BuyXmr {
             alice_peer_id,
@@ -129,7 +108,7 @@ async fn main() -> Result<()> {
             send_bitcoin,
             receive_monero,
         } => {
-            let (bitcoin_wallet, monero_wallet) = setup_wallets(
+            let (bitcoin_wallet, monero_wallet, _) = setup_wallets(
                 bitcoind_url,
                 bitcoin_wallet_name.as_str(),
                 monero_wallet_rpc_url,
@@ -192,30 +171,29 @@ async fn main() -> Result<()> {
             monero_wallet_rpc_url,
             listen_addr,
         }) => {
-            let db_state = if let Swap::Alice(db_state) = db.get_state(swap_id)? {
+            let (bitcoin_wallet, monero_wallet, starting_balances) = setup_wallets(
-                db_state
-            } else {
-                bail!("Swap {} is not sell xmr.", swap_id)
-            };
-
-            let (bitcoin_wallet, monero_wallet) = setup_wallets(
                 bitcoind_url,
                 bitcoin_wallet_name.as_str(),
                 monero_wallet_rpc_url,
                 config,
             )
             .await?;
-            alice_swap(
+
+            let alice_factory = alice::AliceSwapFactory::new(
+                seed,
+                config,
                 swap_id,
-                db_state.into(),
-                listen_addr,
                 bitcoin_wallet,
                 monero_wallet,
-                config,
+                starting_balances,
-                db,
+                db_path,
-                seed,
+                listen_addr,
             )
-            .await?;
+            .await;
+            let (swap, mut event_loop) = alice_factory.recover_alice_from_db().await?;
+
+            tokio::spawn(async move { event_loop.run().await });
+            alice::run(swap).await?;
         }
         Command::Resume(Resume::BuyXmr {
             swap_id,
@@ -231,7 +209,7 @@ async fn main() -> Result<()> {
                 bail!("Swap {} is not buy xmr.", swap_id)
             };
 
-            let (bitcoin_wallet, monero_wallet) = setup_wallets(
+            let (bitcoin_wallet, monero_wallet, _) = setup_wallets(
                 bitcoind_url,
                 bitcoin_wallet_name.as_str(),
                 monero_wallet_rpc_url,
@@ -260,7 +238,11 @@ async fn setup_wallets(
     bitcoin_wallet_name: &str,
     monero_wallet_rpc_url: url::Url,
     config: Config,
-) -> Result<(Arc<swap::bitcoin::Wallet>, Arc<swap::monero::Wallet>)> {
+) -> Result<(
+    Arc<swap::bitcoin::Wallet>,
+    Arc<swap::monero::Wallet>,
+    StartingBalances,
+)> {
     let bitcoin_wallet =
         swap::bitcoin::Wallet::new(bitcoin_wallet_name, bitcoind_url, config.bitcoin_network)
             .await?;
@@ -279,44 +261,12 @@ async fn setup_wallets(
     );
     let monero_wallet = Arc::new(monero_wallet);
 
-    Ok((bitcoin_wallet, monero_wallet))
+    let starting_balances = StartingBalances {
-}
+        btc: bitcoin_balance,
-#[allow(clippy::too_many_arguments)]
+        xmr: monero_balance,
-async fn alice_swap(
-    swap_id: Uuid,
-    state: AliceState,
-    listen_addr: Multiaddr,
-    bitcoin_wallet: Arc<swap::bitcoin::Wallet>,
-    monero_wallet: Arc<swap::monero::Wallet>,
-    config: Config,
-    db: Database,
-    seed: Seed,
-) -> Result<AliceState> {
-    let identity = network::Seed::new(seed).derive_libp2p_identity();
-
-    let peer_id = identity.public().into_peer_id();
-
-    let alice_behaviour = alice::Behaviour::default();
-    info!("Own Peer-ID: {}", peer_id);
-    let alice_transport = build(identity)?;
-
-    let (mut event_loop, handle) =
-        alice::event_loop::EventLoop::new(alice_transport, alice_behaviour, listen_addr, peer_id)?;
-
-    let swap = alice::Swap {
-        state,
-        event_loop_handle: handle,
-        bitcoin_wallet,
-        monero_wallet,
-        config,
-        swap_id,
-        db,
     };
 
-    let swap = alice::swap::run(swap);
+    Ok((bitcoin_wallet, monero_wallet, starting_balances))
-
-    tokio::spawn(async move { event_loop.run().await });
-    swap.await
 }
 
 #[allow(clippy::too_many_arguments)]

swap/src/protocol/alice.rs

@@ -1,16 +1,18 @@
 //! Run an XMR/BTC swap in the role of Alice.
 //! Alice holds XMR and wishes receive BTC.
+use anyhow::Result;
 use libp2p::{request_response::ResponseChannel, NetworkBehaviour, PeerId};
 use tracing::{debug, info};
 
 use crate::{
-    bitcoin, monero,
+    bitcoin, database, monero,
     network::{
         peer_tracker::{self, PeerTracker},
         request_response::AliceToBob,
+        Seed as NetworkSeed,
     },
     protocol::bob,
-    SwapAmounts,
+    StartingBalances, SwapAmounts,
 };
 
 pub use self::{
@@ -22,8 +24,10 @@ pub use self::{
     state::*,
     swap::{run, run_until},
 };
-use crate::{config::Config, database::Database};
+use crate::{config::Config, database::Database, network::transport::build, seed::Seed};
-use std::sync::Arc;
+use libp2p::{core::Multiaddr, identity::Keypair};
+use rand::rngs::OsRng;
+use std::{path::PathBuf, sync::Arc};
 use uuid::Uuid;
 
 mod amounts;
@@ -46,6 +50,162 @@ pub struct Swap {
     pub db: Database,
 }
 
+pub struct AliceSwapFactory {
+    listen_address: Multiaddr,
+    identity: Keypair,
+    peer_id: PeerId,
+
+    db_path: PathBuf,
+    swap_id: Uuid,
+
+    pub bitcoin_wallet: Arc<bitcoin::Wallet>,
+    pub monero_wallet: Arc<monero::Wallet>,
+    config: Config,
+    pub starting_balances: StartingBalances,
+}
+
+impl AliceSwapFactory {
+    #[allow(clippy::too_many_arguments)]
+    pub async fn new(
+        seed: Seed,
+        config: Config,
+        swap_id: Uuid,
+        bitcoin_wallet: Arc<bitcoin::Wallet>,
+        monero_wallet: Arc<monero::Wallet>,
+        starting_balances: StartingBalances,
+        db_path: PathBuf,
+        listen_address: Multiaddr,
+    ) -> Self {
+        let network_seed = NetworkSeed::new(seed);
+        let identity = network_seed.derive_libp2p_identity();
+        let peer_id = PeerId::from(identity.public());
+
+        Self {
+            listen_address,
+            identity,
+            peer_id,
+            db_path,
+            swap_id,
+            bitcoin_wallet,
+            monero_wallet,
+            config,
+            starting_balances,
+        }
+    }
+
+    pub async fn new_swap_as_alice(&self, swap_amounts: SwapAmounts) -> Result<(Swap, EventLoop)> {
+        let initial_state = init_alice_state(
+            swap_amounts.btc,
+            swap_amounts.xmr,
+            self.bitcoin_wallet.clone(),
+            self.config,
+        )
+        .await?;
+
+        let (event_loop, event_loop_handle) = init_alice_event_loop(
+            self.listen_address.clone(),
+            self.identity.clone(),
+            self.peer_id.clone(),
+        )?;
+
+        let db = Database::open(self.db_path.as_path())?;
+
+        Ok((
+            Swap {
+                event_loop_handle,
+                bitcoin_wallet: self.bitcoin_wallet.clone(),
+                monero_wallet: self.monero_wallet.clone(),
+                config: self.config,
+                db,
+                state: initial_state,
+                swap_id: self.swap_id,
+            },
+            event_loop,
+        ))
+    }
+
+    pub async fn recover_alice_from_db(&self) -> Result<(Swap, EventLoop)> {
+        // reopen the existing database
+        let db = Database::open(self.db_path.clone().as_path())?;
+
+        let resume_state = if let database::Swap::Alice(state) = db.get_state(self.swap_id)? {
+            state.into()
+        } else {
+            unreachable!()
+        };
+
+        let (event_loop, event_loop_handle) = init_alice_event_loop(
+            self.listen_address.clone(),
+            self.identity.clone(),
+            self.peer_id.clone(),
+        )?;
+
+        Ok((
+            Swap {
+                state: resume_state,
+                event_loop_handle,
+                bitcoin_wallet: self.bitcoin_wallet.clone(),
+                monero_wallet: self.monero_wallet.clone(),
+                config: self.config,
+                swap_id: self.swap_id,
+                db,
+            },
+            event_loop,
+        ))
+    }
+
+    pub fn peer_id(&self) -> PeerId {
+        self.peer_id.clone()
+    }
+
+    pub fn listen_address(&self) -> Multiaddr {
+        self.listen_address.clone()
+    }
+}
+
+async fn init_alice_state(
+    btc_to_swap: bitcoin::Amount,
+    xmr_to_swap: monero::Amount,
+    alice_btc_wallet: Arc<bitcoin::Wallet>,
+    config: Config,
+) -> Result<AliceState> {
+    let rng = &mut OsRng;
+
+    let amounts = SwapAmounts {
+        btc: btc_to_swap,
+        xmr: xmr_to_swap,
+    };
+
+    let a = bitcoin::SecretKey::new_random(rng);
+    let s_a = cross_curve_dleq::Scalar::random(rng);
+    let v_a = monero::PrivateViewKey::new_random(rng);
+    let redeem_address = alice_btc_wallet.as_ref().new_address().await?;
+    let punish_address = redeem_address.clone();
+    let state0 = State0::new(
+        a,
+        s_a,
+        v_a,
+        amounts.btc,
+        amounts.xmr,
+        config.bitcoin_cancel_timelock,
+        config.bitcoin_punish_timelock,
+        redeem_address,
+        punish_address,
+    );
+
+    Ok(AliceState::Started { amounts, state0 })
+}
+
+fn init_alice_event_loop(
+    listen: Multiaddr,
+    identity: Keypair,
+    peer_id: PeerId,
+) -> Result<(EventLoop, EventLoopHandle)> {
+    let alice_behaviour = Behaviour::default();
+    let alice_transport = build(identity)?;
+    EventLoop::new(alice_transport, alice_behaviour, listen, peer_id)
+}
+
 pub type Swarm = libp2p::Swarm<Behaviour>;
 
 #[derive(Debug)]

swap/tests/happy_path.rs

@@ -7,7 +7,7 @@ pub mod testutils;
 
 #[tokio::test]
 async fn happy_path() {
-    testutils::init(|test| async move {
+    testutils::setup_test(|test| async move {
         let alice_swap = test.new_swap_as_alice().await;
         let bob_swap = test.new_swap_as_bob().await;
 

swap/tests/happy_path_restart_alice.rs

@@ -4,7 +4,7 @@ pub mod testutils;
 
 #[tokio::test]
 async fn given_alice_restarts_after_encsig_is_learned_resume_swap() {
-    testutils::init(|test| async move {
+    testutils::setup_test(|test| async move {
         let alice_swap = test.new_swap_as_alice().await;
         let bob_swap = test.new_swap_as_bob().await;
 

swap/tests/happy_path_restart_bob_after_comm.rs

@@ -4,7 +4,7 @@ pub mod testutils;
 
 #[tokio::test]
 async fn given_bob_restarts_after_encsig_is_sent_resume_swap() {
-    testutils::init(|test| async move {
+    testutils::setup_test(|test| async move {
         let alice_swap = test.new_swap_as_alice().await;
         let bob_swap = test.new_swap_as_bob().await;
 

swap/tests/happy_path_restart_bob_before_comm.rs

@@ -7,7 +7,7 @@ pub mod testutils;
 
 #[tokio::test]
 async fn given_bob_restarts_after_xmr_is_locked_resume_swap() {
-    testutils::init(|test| async move {
+    testutils::setup_test(|test| async move {
         let alice_swap = test.new_swap_as_alice().await;
         let bob_swap = test.new_swap_as_bob().await;
 

swap/tests/punish.rs

@@ -9,7 +9,7 @@ pub mod testutils;
 /// the encsig and fail to refund or redeem. Alice punishes.
 #[tokio::test]
 async fn alice_punishes_if_bob_never_acts_after_fund() {
-    testutils::init(|test| async move {
+    testutils::setup_test(|test| async move {
         let alice_swap = test.new_swap_as_alice().await;
         let bob_swap = test.new_swap_as_bob().await;
 

swap/tests/refund_restart_alice.rs

@@ -6,7 +6,7 @@ pub mod testutils;
 /// then also refunds.
 #[tokio::test]
 async fn given_alice_restarts_after_xmr_is_locked_abort_swap() {
-    testutils::init(|test| async move {
+    testutils::setup_test(|test| async move {
         let alice_swap = test.new_swap_as_alice().await;
         let bob_swap = test.new_swap_as_bob().await;
 

swap/tests/testutils/mod.rs

@@ -12,9 +12,14 @@ use swap::{
     database::Database,
     monero, network,
     network::transport::build,
-    protocol::{alice, alice::AliceState, bob, bob::BobState},
+    protocol::{
+        alice,
+        alice::{AliceState, AliceSwapFactory},
+        bob,
+        bob::BobState,
+    },
     seed::Seed,
-    SwapAmounts,
+    StartingBalances, SwapAmounts,
 };
 use tempfile::tempdir;
 use testcontainers::{clients::Cli, Container};
@@ -34,7 +39,8 @@ impl Test {
         let (swap, mut event_loop) = self
             .alice_swap_factory
             .new_swap_as_alice(self.swap_amounts)
-            .await;
+            .await
+            .unwrap();
 
         tokio::spawn(async move { event_loop.run().await });
 
@@ -53,7 +59,11 @@ impl Test {
     }
 
     pub async fn recover_alice_from_db(&self) -> alice::Swap {
-        let (swap, mut event_loop) = self.alice_swap_factory.recover_alice_from_db().await;
+        let (swap, mut event_loop) = self
+            .alice_swap_factory
+            .recover_alice_from_db()
+            .await
+            .unwrap();
 
         tokio::spawn(async move { event_loop.run().await });
 
@@ -298,7 +308,7 @@ impl Test {
     }
 }
 
-pub async fn init<T, F>(testfn: T)
+pub async fn setup_test<T, F>(testfn: T)
 where
     T: Fn(Test) -> F,
     F: Future<Output = ()>,
@@ -320,12 +330,31 @@ where
         xmr: swap_amounts.xmr * 10,
         btc: bitcoin::Amount::ZERO,
     };
+
+    let port = get_port().expect("Failed to find a free port");
+
+    let listen_address: Multiaddr = format!("/ip4/127.0.0.1/tcp/{}", port)
+        .parse()
+        .expect("failed to parse Alice's address");
+
+    let (alice_bitcoin_wallet, alice_monero_wallet) = init_wallets(
+        "alice",
+        &containers.bitcoind,
+        &monero,
+        alice_starting_balances.clone(),
+        config,
+    )
+    .await;
+
     let alice_swap_factory = AliceSwapFactory::new(
+        Seed::random().unwrap(),
         config,
         Uuid::new_v4(),
-        &monero,
+        alice_bitcoin_wallet,
-        &containers.bitcoind,
+        alice_monero_wallet,
         alice_starting_balances,
+        tempdir().unwrap().path().to_path_buf(),
+        listen_address,
     )
     .await;
 
@@ -334,10 +363,8 @@ where
         btc: swap_amounts.btc * 10,
     };
 
-    let bob_seed = Seed::random().unwrap();
-
     let bob_swap_factory = BobSwapFactory::new(
-        bob_seed,
+        Seed::random().unwrap(),
         config,
         Uuid::new_v4(),
         &monero,
@@ -357,126 +384,6 @@ where
     testfn(test).await
 }
 
-pub struct AliceSwapFactory {
-    listen_address: Multiaddr,
-    peer_id: PeerId,
-
-    seed: Seed,
-    db_path: PathBuf,
-    swap_id: Uuid,
-
-    bitcoin_wallet: Arc<bitcoin::Wallet>,
-    monero_wallet: Arc<monero::Wallet>,
-    config: Config,
-    starting_balances: StartingBalances,
-}
-
-impl AliceSwapFactory {
-    async fn new(
-        config: Config,
-        swap_id: Uuid,
-        monero: &Monero,
-        bitcoind: &Bitcoind<'_>,
-        starting_balances: StartingBalances,
-    ) -> Self {
-        let port = get_port().expect("Failed to find a free port");
-
-        let listen_address: Multiaddr = format!("/ip4/127.0.0.1/tcp/{}", port)
-            .parse()
-            .expect("failed to parse Alice's address");
-
-        let seed = Seed::random().unwrap();
-
-        let db_path = tempdir().unwrap().path().to_path_buf();
-
-        let (bitcoin_wallet, monero_wallet) =
-            init_wallets("alice", bitcoind, monero, starting_balances.clone(), config).await;
-
-        // TODO: This should be done by changing the production code
-        let network_seed = network::Seed::new(seed);
-        let identity = network_seed.derive_libp2p_identity();
-        let peer_id = PeerId::from(identity.public());
-
-        Self {
-            seed,
-            db_path,
-            listen_address,
-            peer_id,
-            swap_id,
-            bitcoin_wallet,
-            monero_wallet,
-            config,
-            starting_balances,
-        }
-    }
-
-    pub async fn new_swap_as_alice(
-        &self,
-        swap_amounts: SwapAmounts,
-    ) -> (alice::Swap, alice::EventLoop) {
-        let initial_state = init_alice_state(
-            swap_amounts.btc,
-            swap_amounts.xmr,
-            self.bitcoin_wallet.clone(),
-            self.config,
-        )
-        .await;
-
-        let (event_loop, event_loop_handle) =
-            init_alice_event_loop(self.listen_address.clone(), self.seed);
-
-        let db = Database::open(self.db_path.as_path()).unwrap();
-        (
-            alice::Swap {
-                event_loop_handle,
-                bitcoin_wallet: self.bitcoin_wallet.clone(),
-                monero_wallet: self.monero_wallet.clone(),
-                config: self.config,
-                db,
-                state: initial_state,
-                swap_id: self.swap_id,
-            },
-            event_loop,
-        )
-    }
-
-    pub async fn recover_alice_from_db(&self) -> (alice::Swap, alice::EventLoop) {
-        // reopen the existing database
-        let db = Database::open(self.db_path.clone().as_path()).unwrap();
-
-        let resume_state =
-            if let swap::database::Swap::Alice(state) = db.get_state(self.swap_id).unwrap() {
-                state.into()
-            } else {
-                unreachable!()
-            };
-
-        let (event_loop, event_loop_handle) =
-            init_alice_event_loop(self.listen_address.clone(), self.seed);
-
-        (
-            alice::Swap {
-                state: resume_state,
-                event_loop_handle,
-                bitcoin_wallet: self.bitcoin_wallet.clone(),
-                monero_wallet: self.monero_wallet.clone(),
-                config: self.config,
-                swap_id: self.swap_id,
-                db,
-            },
-            event_loop,
-        )
-    }
-
-    pub fn peer_id(&self) -> PeerId {
-        self.peer_id.clone()
-    }
-
-    pub fn listen_address(&self) -> Multiaddr {
-        self.listen_address.clone()
-    }
-}
-
 pub struct BobSwapFactory {
     seed: Seed,
 
@@ -583,12 +490,6 @@ impl BobSwapFactory {
     }
 }
 
-#[derive(Debug, Clone)]
-struct StartingBalances {
-    pub xmr: monero::Amount,
-    pub btc: bitcoin::Amount,
-}
-
 async fn init_containers(cli: &Cli) -> (Monero, Containers<'_>) {
     let bitcoind = Bitcoind::new(&cli, "0.19.1").unwrap();
     let _ = bitcoind.init(5).await;
@@ -635,55 +536,6 @@ async fn init_wallets(
     (btc_wallet, xmr_wallet)
 }
 
-async fn init_alice_state(
-    btc_to_swap: bitcoin::Amount,
-    xmr_to_swap: monero::Amount,
-    alice_btc_wallet: Arc<bitcoin::Wallet>,
-    config: Config,
-) -> AliceState {
-    let rng = &mut OsRng;
-
-    let amounts = SwapAmounts {
-        btc: btc_to_swap,
-        xmr: xmr_to_swap,
-    };
-
-    let a = bitcoin::SecretKey::new_random(rng);
-    let s_a = cross_curve_dleq::Scalar::random(rng);
-    let v_a = monero::PrivateViewKey::new_random(rng);
-    let redeem_address = alice_btc_wallet.as_ref().new_address().await.unwrap();
-    let punish_address = redeem_address.clone();
-    let state0 = alice::State0::new(
-        a,
-        s_a,
-        v_a,
-        amounts.btc,
-        amounts.xmr,
-        config.bitcoin_cancel_timelock,
-        config.bitcoin_punish_timelock,
-        redeem_address,
-        punish_address,
-    );
-
-    AliceState::Started { amounts, state0 }
-}
-
-fn init_alice_event_loop(
-    listen: Multiaddr,
-    seed: Seed,
-) -> (
-    alice::event_loop::EventLoop,
-    alice::event_loop::EventLoopHandle,
-) {
-    let identity = network::Seed::new(seed).derive_libp2p_identity();
-
-    let peer_id = identity.public().into_peer_id();
-
-    let alice_behaviour = alice::Behaviour::default();
-    let alice_transport = build(identity).unwrap();
-    alice::event_loop::EventLoop::new(alice_transport, alice_behaviour, listen, peer_id).unwrap()
-}
-
 async fn init_bob_state(
     btc_to_swap: bitcoin::Amount,
     xmr_to_swap: monero::Amount,