xmr-btc-swap/swap/tests/alice_safe_restart.rs
2020-12-15 10:10:42 +11:00

231 lines
7.1 KiB
Rust

use bitcoin_harness::Bitcoind;
use futures::future::try_join;
use libp2p::Multiaddr;
use monero_harness::{image, Monero};
use rand::rngs::OsRng;
use std::sync::Arc;
use swap::{
alice, alice::swap::AliceState, bitcoin, bob, bob::swap::BobState, monero,
network::transport::build, storage::Database, SwapAmounts, PUNISH_TIMELOCK, REFUND_TIMELOCK,
};
use tempfile::{tempdir, TempDir};
use testcontainers::{clients::Cli, Container};
use uuid::Uuid;
use xmr_btc::cross_curve_dleq;
fn setup_tracing() {
use tracing_subscriber::util::SubscriberInitExt as _;
let _guard = tracing_subscriber::fmt()
.with_env_filter("swap=info,xmr_btc=info")
.with_ansi(false)
.set_default();
}
// This is just to keep the containers alive
#[allow(dead_code)]
struct Containers<'a> {
bitcoind: Bitcoind<'a>,
monerods: Vec<Container<'a, Cli, image::Monero>>,
}
/// Returns Alice's and Bob's wallets, in this order
async fn setup_wallets(
cli: &Cli,
_init_btc_alice: bitcoin::Amount,
init_xmr_alice: monero::Amount,
init_btc_bob: bitcoin::Amount,
init_xmr_bob: monero::Amount,
) -> (
bitcoin::Wallet,
monero::Wallet,
bitcoin::Wallet,
monero::Wallet,
Containers<'_>,
) {
let bitcoind = Bitcoind::new(&cli, "0.19.1").unwrap();
let _ = bitcoind.init(5).await;
let alice_btc_wallet = swap::bitcoin::Wallet::new("alice", bitcoind.node_url.clone())
.await
.unwrap();
let bob_btc_wallet = swap::bitcoin::Wallet::new("bob", bitcoind.node_url.clone())
.await
.unwrap();
bitcoind
.mint(bob_btc_wallet.0.new_address().await.unwrap(), init_btc_bob)
.await
.unwrap();
let (monero, monerods) = Monero::new(&cli, None, vec!["alice".to_string(), "bob".to_string()])
.await
.unwrap();
monero
.init(vec![
("alice", init_xmr_alice.as_piconero()),
("bob", init_xmr_bob.as_piconero()),
])
.await
.unwrap();
let alice_xmr_wallet = swap::monero::Wallet(monero.wallet("alice").unwrap().client());
let bob_xmr_wallet = swap::monero::Wallet(monero.wallet("bob").unwrap().client());
(
alice_btc_wallet,
alice_xmr_wallet,
bob_btc_wallet,
bob_xmr_wallet,
Containers { bitcoind, monerods },
)
}
#[tokio::test]
async fn alice_safe_restart_after_btc_is_locked() {
setup_tracing();
let alice_multiaddr: Multiaddr = "/ip4/127.0.0.1/tcp/9876"
.parse()
.expect("failed to parse Alice's address");
let btc_to_swap = bitcoin::Amount::from_sat(1_000_000);
let init_btc_alice = bitcoin::Amount::ZERO;
let init_btc_bob = btc_to_swap * 10;
let xmr_to_swap = monero::Amount::from_piconero(1_000_000_000_000);
let init_xmr_alice = xmr_to_swap * 10;
let init_xmr_bob = monero::Amount::ZERO;
let cli = Cli::default();
let (alice_btc_wallet, alice_xmr_wallet, bob_btc_wallet, bob_xmr_wallet, _containers) =
setup_wallets(
&cli,
init_btc_alice,
init_xmr_alice,
init_btc_bob,
init_xmr_bob,
)
.await;
let alice_btc_wallet = Arc::new(alice_btc_wallet);
let alice_xmr_wallet = Arc::new(alice_xmr_wallet);
let bob_btc_wallet = Arc::new(bob_btc_wallet);
let bob_xmr_wallet = Arc::new(bob_xmr_wallet);
let amounts = SwapAmounts {
btc: btc_to_swap,
xmr: xmr_to_swap,
};
let alice_swap = {
let rng = &mut OsRng;
let (alice_state, alice_behaviour) = {
let a = bitcoin::SecretKey::new_random(rng);
let s_a = cross_curve_dleq::Scalar::random(rng);
let v_a = xmr_btc::monero::PrivateViewKey::new_random(rng);
let redeem_address = alice_btc_wallet.as_ref().new_address().await.unwrap();
let punish_address = redeem_address.clone();
let state0 = xmr_btc::alice::State0::new(
a,
s_a,
v_a,
amounts.btc,
amounts.xmr,
REFUND_TIMELOCK,
PUNISH_TIMELOCK,
redeem_address,
punish_address,
);
(
AliceState::Started {
amounts,
state0: state0.clone(),
},
alice::Behaviour::new(state0),
)
};
let alice_transport = build(alice_behaviour.identity()).unwrap();
let (mut alice_event_loop, alice_event_loop_handle) = alice::event_loop::EventLoop::new(
alice_transport,
alice_behaviour,
alice_multiaddr.clone(),
)
.unwrap();
let _alice_swarm_fut = tokio::spawn(async move { alice_event_loop.run().await });
let config = xmr_btc::config::Config::regtest();
let swap_id = Uuid::new_v4();
let tmp_dir = TempDir::new().unwrap();
let db = Database::open(tmp_dir.path()).unwrap();
alice::swap::swap(
alice_state,
alice_event_loop_handle,
alice_btc_wallet.clone(),
alice_xmr_wallet.clone(),
config,
swap_id,
db,
)
};
let (bob_swap, bob_event_loop) = {
let rng = &mut OsRng;
let bob_db_dir = tempdir().unwrap();
let bob_db = Database::open(bob_db_dir.path()).unwrap();
let bob_behaviour = bob::Behaviour::default();
let bob_transport = build(bob_behaviour.identity()).unwrap();
let refund_address = bob_btc_wallet.new_address().await.unwrap();
let state0 = xmr_btc::bob::State0::new(
rng,
btc_to_swap,
xmr_to_swap,
REFUND_TIMELOCK,
PUNISH_TIMELOCK,
refund_address,
);
let bob_state = BobState::Started {
state0,
amounts,
addr: alice_multiaddr,
};
let (bob_event_loop, bob_event_loop_handle) =
bob::event_loop::EventLoop::new(bob_transport, bob_behaviour).unwrap();
(
bob::swap::swap(
bob_state,
bob_event_loop_handle,
bob_db,
bob_btc_wallet.clone(),
bob_xmr_wallet.clone(),
OsRng,
Uuid::new_v4(),
),
bob_event_loop,
)
};
let _bob_event_loop = tokio::spawn(async move { bob_event_loop.run().await });
try_join(alice_swap, bob_swap).await.unwrap();
let btc_alice_final = alice_btc_wallet.balance().await.unwrap();
let xmr_alice_final = alice_xmr_wallet.get_balance().await.unwrap();
let btc_bob_final = bob_btc_wallet.balance().await.unwrap();
bob_xmr_wallet.0.refresh().await.unwrap();
let xmr_bob_final = bob_xmr_wallet.get_balance().await.unwrap();
assert_eq!(
btc_alice_final,
init_btc_alice + btc_to_swap - bitcoin::Amount::from_sat(bitcoin::TX_FEE)
);
assert!(btc_bob_final <= init_btc_bob - btc_to_swap);
assert!(xmr_alice_final <= init_xmr_alice - xmr_to_swap);
assert_eq!(xmr_bob_final, init_xmr_bob + xmr_to_swap);
}