pub mod harness; use harness::bob_run_until::is_xmr_locked; use harness::SlowCancelConfig; use swap::asb::FixedRate; use swap::protocol::alice::AliceState; use swap::protocol::bob::BobState; use swap::protocol::{alice, bob}; #[tokio::test] async fn concurrent_bobs_after_xmr_lock_proof_sent() { harness::setup_test(SlowCancelConfig, |mut ctx| async move { let (bob_swap_1, bob_join_handle_1) = ctx.bob_swap().await; let swap_id = bob_swap_1.id; let bob_swap_1 = tokio::spawn(bob::run_until(bob_swap_1, is_xmr_locked)); let alice_swap_1 = ctx.alice_next_swap().await; let alice_swap_1 = tokio::spawn(alice::run(alice_swap_1, FixedRate::default())); let bob_state_1 = bob_swap_1.await??; assert!(matches!(bob_state_1, BobState::XmrLocked { .. })); // make sure bob_swap_1's event loop is gone bob_join_handle_1.abort(); let (bob_swap_2, bob_join_handle_2) = ctx.bob_swap().await; let bob_swap_2 = tokio::spawn(bob::run(bob_swap_2)); let alice_swap_2 = ctx.alice_next_swap().await; let alice_swap_2 = tokio::spawn(alice::run(alice_swap_2, FixedRate::default())); // The 2nd swap should ALWAYS finish successfully in this // scenario let bob_state_2 = bob_swap_2.await??; assert!(matches!(bob_state_2, BobState::XmrRedeemed { .. })); let alice_state_2 = alice_swap_2.await??; assert!(matches!(alice_state_2, AliceState::BtcRedeemed { .. })); let (bob_swap_1, _) = ctx .stop_and_resume_bob_from_db(bob_join_handle_2, swap_id) .await; assert!(matches!(bob_swap_1.state, BobState::XmrLocked { .. })); // The 1st (paused) swap ALWAYS finishes successfully in this // scenario, because it is ensured that Bob already received the // transfer proof. let bob_state_1 = bob::run(bob_swap_1).await?; assert!(matches!(bob_state_1, BobState::XmrRedeemed { .. })); let alice_state_1 = alice_swap_1.await??; assert!(matches!(alice_state_1, AliceState::BtcRedeemed { .. })); Ok(()) }) .await; }