Franck Royer
4 years ago
parent
e366d3a73b
commit
1e4b115556
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use crate::testutils::{init_alice, init_bob};
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use get_port::get_port;
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use libp2p::Multiaddr;
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use rand::rngs::OsRng;
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use swap::{alice, alice::swap::AliceState, bitcoin, bob, bob::swap::BobState, storage::Database};
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use tempfile::tempdir;
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use testcontainers::clients::Cli;
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use testutils::init_tracing;
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use tokio::select;
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use uuid::Uuid;
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use xmr_btc::config::Config;
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pub mod testutils;
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#[tokio::test]
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async fn given_bob_restarts_after_xmr_is_locked_resume_swap() {
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let _guard = init_tracing();
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let cli = Cli::default();
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let (
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monero,
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testutils::Containers {
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bitcoind,
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monerods: _monerods,
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},
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) = testutils::init_containers(&cli).await;
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let btc_to_swap = bitcoin::Amount::from_sat(1_000_000);
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let xmr_to_swap = xmr_btc::monero::Amount::from_piconero(1_000_000_000_000);
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let bob_btc_starting_balance = btc_to_swap * 10;
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let bob_xmr_starting_balance = xmr_btc::monero::Amount::from_piconero(0);
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let alice_btc_starting_balance = bitcoin::Amount::ZERO;
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let alice_xmr_starting_balance = xmr_to_swap * 10;
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let port = get_port().expect("Failed to find a free port");
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let alice_multiaddr: Multiaddr = format!("/ip4/127.0.0.1/tcp/{}", port)
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.parse()
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.expect("failed to parse Alice's address");
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let (
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alice_state,
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mut alice_event_loop,
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alice_event_loop_handle,
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alice_btc_wallet,
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alice_xmr_wallet,
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alice_db,
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) = init_alice(
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&bitcoind,
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&monero,
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btc_to_swap,
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xmr_to_swap,
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alice_xmr_starting_balance,
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alice_multiaddr.clone(),
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Config::regtest(),
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)
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.await;
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let alice_peer_id = alice_event_loop.peer_id();
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let (bob_state, bob_event_loop_1, bob_event_loop_handle_1, bob_btc_wallet, bob_xmr_wallet, _) =
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init_bob(
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alice_multiaddr.clone(),
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alice_peer_id.clone(),
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&bitcoind,
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&monero,
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btc_to_swap,
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bob_btc_starting_balance,
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xmr_to_swap,
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Config::regtest(),
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)
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.await;
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let alice_fut = alice::swap::swap(
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alice_state,
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alice_event_loop_handle,
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alice_btc_wallet.clone(),
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alice_xmr_wallet.clone(),
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Config::regtest(),
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Uuid::new_v4(),
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alice_db,
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);
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let bob_swap_id = Uuid::new_v4();
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let bob_db_datadir = tempdir().unwrap();
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let bob_xmr_locked_fut = {
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let bob_db = Database::open(bob_db_datadir.path()).unwrap();
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bob::swap::run_until(
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bob_state,
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bob::swap::is_xmr_locked,
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bob_event_loop_handle_1,
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bob_db,
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bob_btc_wallet.clone(),
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bob_xmr_wallet.clone(),
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OsRng,
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bob_swap_id,
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)
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};
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tokio::spawn(async move { alice_event_loop.run().await });
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let alice_fut_handle = tokio::spawn(alice_fut);
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// We are selecting with bob_event_loop_1 so that we stop polling on it once
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// bob reaches `xmr locked` state.
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let bob_restart_state = select! {
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res = bob_xmr_locked_fut => res.unwrap(),
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_ = bob_event_loop_1.run() => panic!("The event loop should never finish")
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};
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let (bob_event_loop_2, bob_event_loop_handle_2) = testutils::init_bob_event_loop();
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let bob_fut = bob::swap::swap(
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bob_restart_state,
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bob_event_loop_handle_2,
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Database::open(bob_db_datadir.path()).unwrap(),
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bob_btc_wallet.clone(),
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bob_xmr_wallet.clone(),
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OsRng,
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bob_swap_id,
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alice_peer_id,
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alice_multiaddr,
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);
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let bob_final_state = select! {
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bob_final_state = bob_fut => bob_final_state.unwrap(),
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_ = bob_event_loop_2.run() => panic!("Event loop is not expected to stop")
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};
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assert!(matches!(bob_final_state, BobState::XmrRedeemed));
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// Wait for Alice to finish too.
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let alice_final_state = alice_fut_handle.await.unwrap().unwrap();
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assert!(matches!(alice_final_state, AliceState::BtcRedeemed));
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let btc_alice_final = alice_btc_wallet.as_ref().balance().await.unwrap();
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let btc_bob_final = bob_btc_wallet.as_ref().balance().await.unwrap();
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let xmr_alice_final = alice_xmr_wallet.as_ref().get_balance().await.unwrap();
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bob_xmr_wallet.as_ref().0.refresh().await.unwrap();
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let xmr_bob_final = bob_xmr_wallet.as_ref().get_balance().await.unwrap();
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assert_eq!(
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btc_alice_final,
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alice_btc_starting_balance + btc_to_swap - bitcoin::Amount::from_sat(bitcoin::TX_FEE)
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);
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assert!(btc_bob_final <= bob_btc_starting_balance - btc_to_swap);
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assert!(xmr_alice_final <= alice_xmr_starting_balance - xmr_to_swap);
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assert_eq!(xmr_bob_final, bob_xmr_starting_balance + xmr_to_swap);
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}
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