fixup! `swap_setup` instead of `spot_price` and `execution_setup`

swap/src/protocol/alice.rs

@@ -1,12 +1,10 @@
 //! Run an XMR/BTC swap in the role of Alice.
 //! Alice holds XMR and wishes receive BTC.
-use std::sync::Arc;
-
-use uuid::Uuid;
-
 use crate::database::Database;
 use crate::env::Config;
 use crate::{bitcoin, monero};
+use std::sync::Arc;
+use uuid::Uuid;
 
 pub use self::behaviour::{Behaviour, OutEvent};
 pub use self::event_loop::{EventLoop, EventLoopHandle};

swap/src/protocol/alice/behaviour.rs

@@ -1,15 +1,14 @@
-use anyhow::{anyhow, Error};
-use libp2p::ping::{Ping, PingEvent};
-use libp2p::request_response::{RequestId, ResponseChannel};
-use libp2p::{NetworkBehaviour, PeerId};
-use uuid::Uuid;
-
 use crate::env;
 use crate::network::quote::BidQuote;
 use crate::network::{encrypted_signature, quote, transfer_proof};
 use crate::protocol::alice::event_loop::LatestRate;
 use crate::protocol::alice::swap_setup::WalletSnapshot;
 use crate::protocol::alice::{swap_setup, State3};
+use anyhow::{anyhow, Error};
+use libp2p::ping::{Ping, PingEvent};
+use libp2p::request_response::{RequestId, ResponseChannel};
+use libp2p::{NetworkBehaviour, PeerId};
+use uuid::Uuid;
 
 #[derive(Debug)]
 pub enum OutEvent {

swap/src/protocol/alice/event_loop.rs

@@ -152,7 +152,13 @@ where
                     match swarm_event {
                         SwarmEvent::Behaviour(OutEvent::SwapSetupInitiated { mut send_wallet_snapshot }) => {
 
-                            let (btc, responder) = send_wallet_snapshot.recv().await.expect("TODO: handle error");
+                            let (btc, responder) = match send_wallet_snapshot.recv().await {
+                                Ok((btc, responder)) => (btc, responder),
+                                Err(error) => {
+                                    tracing::error!("Swap request will be ignored because of a failure when requesting information for the wallet snapshot: {:#}", error);
+                                    continue;
+                                }
+                            };
 
                             let wallet_snapshot = match WalletSnapshot::capture(&self.bitcoin_wallet, &self.monero_wallet, btc).await {
                                 Ok(wallet_snapshot) => wallet_snapshot,