use crate::testutils::{init_alice, init_bob}; use get_port::get_port; use libp2p::Multiaddr; use rand::rngs::OsRng; use std::convert::TryFrom; use swap::{alice, alice::swap::AliceState, bitcoin, bob, storage::Database}; use tempfile::tempdir; use testcontainers::clients::Cli; use testutils::init_tracing; use uuid::Uuid; use xmr_btc::config::Config; pub mod testutils; #[tokio::test] async fn given_alice_restarts_after_encsig_is_learned_resume_swap() { let _guard = init_tracing(); let cli = Cli::default(); let ( monero, testutils::Containers { bitcoind, monerods: _monerods, }, ) = testutils::init_containers(&cli).await; let btc_to_swap = bitcoin::Amount::from_sat(1_000_000); let xmr_to_swap = xmr_btc::monero::Amount::from_piconero(1_000_000_000_000); let bob_btc_starting_balance = btc_to_swap * 10; let alice_xmr_starting_balance = xmr_to_swap * 10; let port = get_port().expect("Failed to find a free port"); let alice_multiaddr: Multiaddr = format!("/ip4/127.0.0.1/tcp/{}", port) .parse() .expect("failed to parse Alice's address"); let config = Config::regtest(); let ( start_state, mut alice_event_loop, alice_event_loop_handle, alice_btc_wallet, alice_xmr_wallet, _, ) = init_alice( &bitcoind, &monero, btc_to_swap, xmr_to_swap, alice_xmr_starting_balance, alice_multiaddr.clone(), config, ) .await; let alice_peer_id = alice_event_loop.peer_id(); let (bob_state, bob_event_loop, bob_event_loop_handle, bob_btc_wallet, bob_xmr_wallet, bob_db) = init_bob( alice_multiaddr.clone(), alice_peer_id.clone(), &bitcoind, &monero, btc_to_swap, bob_btc_starting_balance, xmr_to_swap, config, ) .await; // TODO: we are making a clone of Bob's wallets here to keep them in scope after // Bob's wallets are moved into an async task. let bob_btc_wallet_clone = bob_btc_wallet.clone(); let bob_xmr_wallet_clone = bob_xmr_wallet.clone(); let bob_fut = bob::swap::swap( bob_state, bob_event_loop_handle, bob_db, bob_btc_wallet.clone(), bob_xmr_wallet.clone(), OsRng, Uuid::new_v4(), ); let alice_db_datadir = tempdir().unwrap(); let alice_db = Database::open(alice_db_datadir.path()).unwrap(); tokio::spawn(async move { alice_event_loop.run().await }); let bob_swap_handle = tokio::spawn(bob_fut); tokio::spawn(bob_event_loop.run()); let alice_swap_id = Uuid::new_v4(); let alice_state = alice::swap::run_until( start_state, alice::swap::is_encsig_learned, alice_event_loop_handle, alice_btc_wallet.clone(), alice_xmr_wallet.clone(), config, alice_swap_id, alice_db, ) .await .unwrap(); assert!(matches!(alice_state, AliceState::EncSigLearned {..})); let alice_db = Database::open(alice_db_datadir.path()).unwrap(); let state_before_restart = alice_db.get_state(alice_swap_id).unwrap(); if let swap::state::Swap::Alice(state) = state_before_restart.clone() { assert!(matches!(state, swap::state::Alice::EncSigLearned {..})); } let (mut event_loop_after_restart, event_loop_handle_after_restart) = testutils::init_alice_event_loop(alice_multiaddr); tokio::spawn(async move { event_loop_after_restart.run().await }); let db_swap = alice_db.get_state(alice_swap_id).unwrap(); let resume_state = AliceState::try_from(db_swap).unwrap(); let alice_state = alice::swap::swap( resume_state, event_loop_handle_after_restart, alice_btc_wallet.clone(), alice_xmr_wallet.clone(), config, alice_swap_id, alice_db, ) .await .unwrap(); // Wait for Bob to finish bob_swap_handle.await.unwrap().unwrap(); assert!(matches!(alice_state, AliceState::BtcRedeemed {..})); let btc_alice_final = alice_btc_wallet.as_ref().balance().await.unwrap(); let btc_bob_final = bob_btc_wallet_clone.as_ref().balance().await.unwrap(); assert_eq!( btc_alice_final, btc_to_swap - bitcoin::Amount::from_sat(bitcoin::TX_FEE) ); assert!(btc_bob_final <= bob_btc_starting_balance - btc_to_swap); let xmr_alice_final = alice_xmr_wallet.as_ref().get_balance().await.unwrap(); bob_xmr_wallet_clone.as_ref().0.refresh().await.unwrap(); let xmr_bob_final = bob_xmr_wallet_clone.as_ref().get_balance().await.unwrap(); assert!(xmr_alice_final <= alice_xmr_starting_balance - xmr_to_swap); assert_eq!(xmr_bob_final, xmr_to_swap); }