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

145 lines
4.1 KiB
Rust

use crate::testutils::{init_alice, init_bob};
use futures::{
future::{join, select, Either},
FutureExt,
};
use get_port::get_port;
use libp2p::Multiaddr;
use rand::rngs::OsRng;
use swap::{alice, alice::swap::AliceState, bob, bob::swap::BobState};
use testcontainers::clients::Cli;
use testutils::init_tracing;
use uuid::Uuid;
use xmr_btc::{bitcoin, config::Config};
pub mod testutils;
/// Bob locks Btc and Alice locks Xmr. Bob does not act; he fails to send Alice
/// the encsig and fail to refund or redeem. Alice punishes.
#[tokio::test]
async fn alice_punishes_if_bob_never_acts_after_fund() {
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_btc_starting_balance = bitcoin::Amount::ZERO;
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 (
alice_state,
mut alice_event_loop,
alice_event_loop_handle,
alice_btc_wallet,
alice_xmr_wallet,
alice_db,
) = init_alice(
&bitcoind,
&monero,
btc_to_swap,
xmr_to_swap,
alice_xmr_starting_balance,
alice_multiaddr.clone(),
config,
)
.await;
let (bob_state, bob_event_loop, bob_event_loop_handle, bob_btc_wallet, bob_xmr_wallet, bob_db) =
init_bob(
alice_multiaddr,
alice_event_loop.peer_id(),
&bitcoind,
&monero,
btc_to_swap,
bob_btc_starting_balance,
xmr_to_swap,
config,
)
.await;
let bob_btc_locked_fut = bob::swap::run_until(
bob_state,
bob::swap::is_btc_locked,
bob_event_loop_handle,
bob_db,
bob_btc_wallet.clone(),
bob_xmr_wallet.clone(),
OsRng,
Uuid::new_v4(),
)
.boxed();
let bob_fut = select(bob_btc_locked_fut, bob_event_loop.run().boxed());
let alice_fut = alice::swap::swap(
alice_state,
alice_event_loop_handle,
alice_btc_wallet.clone(),
alice_xmr_wallet.clone(),
Config::regtest(),
Uuid::new_v4(),
alice_db,
)
.boxed();
let alice_fut = select(alice_fut, alice_event_loop.run().boxed());
// Wait until alice has locked xmr and bob has locked btc
let (alice_state, bob_state) = join(alice_fut, bob_fut).await;
let alice_state = match alice_state {
Either::Left((state, _)) => state.unwrap(),
Either::Right(_) => panic!("Alice event loop should not terminate."),
};
let bob_state = match bob_state {
Either::Left((state, _)) => state.unwrap(),
Either::Right(_) => panic!("Bob event loop should not terminate."),
};
assert!(matches!(alice_state, AliceState::Punished));
let bob_state3 = if let BobState::BtcLocked(state3, ..) = bob_state {
state3
} else {
panic!("Bob in unexpected state");
};
let btc_alice_final = alice_btc_wallet.as_ref().balance().await.unwrap();
let btc_bob_final = bob_btc_wallet.as_ref().balance().await.unwrap();
// lock_tx_bitcoin_fee is determined by the wallet, it is not necessarily equal
// to TX_FEE
let lock_tx_bitcoin_fee = bob_btc_wallet
.transaction_fee(bob_state3.tx_lock_id())
.await
.unwrap();
assert_eq!(
btc_alice_final,
alice_btc_starting_balance + btc_to_swap - bitcoin::Amount::from_sat(2 * bitcoin::TX_FEE)
);
assert_eq!(
btc_bob_final,
bob_btc_starting_balance - btc_to_swap - lock_tx_bitcoin_fee
);
}