xmr-btc-swap/swap/tests/happy_path_restart_alice.rs
2020-12-21 12:17:40 +11:00

159 lines
4.7 KiB
Rust

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(),
alice_peer_id,
alice_multiaddr.clone(),
);
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 });
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::EncSignLearned {..}));
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::EncSignLearned {..}));
}
let (mut event_loop_after_restart, event_loop_handle_after_restart) =
testutils::init_alice_event_loop(alice_multiaddr);
let _alice_swarm_fut = 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();
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);
}