xmr-btc-swap/swap/tests/happy_path_restart_bob_after_comm.rs

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use crate::testutils::{init_alice, init_bob};
use get_port::get_port;
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use libp2p::Multiaddr;
use rand::rngs::OsRng;
use swap::{
bitcoin,
config::Config,
database::Database,
monero,
protocol::{alice, bob, bob::swap::BobState},
};
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use tempfile::tempdir;
use testcontainers::clients::Cli;
use testutils::init_tracing;
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use uuid::Uuid;
pub mod testutils;
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#[tokio::test]
async fn given_bob_restarts_after_encsig_is_sent_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 = monero::Amount::from_piconero(1_000_000_000_000);
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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)
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.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 alice_peer_id = alice_event_loop.peer_id();
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let (bob_state, bob_event_loop, bob_event_loop_handle, bob_btc_wallet, bob_xmr_wallet, _) =
init_bob(
alice_multiaddr.clone(),
alice_peer_id.clone(),
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&bitcoind,
&monero,
btc_to_swap,
bob_btc_starting_balance,
xmr_to_swap,
config,
)
.await;
// TODO: we are making a clone of Alices's wallets here to keep them in scope
// after Alices's wallets are moved into an async task.
let alice_btc_wallet_clone = alice_btc_wallet.clone();
let alice_xmr_wallet_clone = alice_xmr_wallet.clone();
// 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 alice_swap_handle = tokio::spawn(alice::swap::swap(
alice_state,
alice_event_loop_handle,
alice_btc_wallet.clone(),
alice_xmr_wallet.clone(),
config,
Uuid::new_v4(),
alice_db,
));
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tokio::spawn(async move { alice_event_loop.run().await });
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tokio::spawn(bob_event_loop.run());
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let bob_swap_id = Uuid::new_v4();
let bob_db_datadir = tempdir().unwrap();
let bob_db = Database::open(bob_db_datadir.path()).unwrap();
let bob_state = bob::swap::run_until(
bob_state,
bob::swap::is_encsig_sent,
bob_event_loop_handle,
bob_db,
bob_btc_wallet.clone(),
bob_xmr_wallet.clone(),
OsRng,
bob_swap_id,
)
.await
.unwrap();
assert!(matches!(bob_state, BobState::EncSigSent {..}));
let bob_db = Database::open(bob_db_datadir.path()).unwrap();
let resume_state =
if let swap::database::Swap::Bob(state) = bob_db.get_state(bob_swap_id).unwrap() {
assert!(matches!(state, swap::database::Bob::EncSigSent {..}));
state.into()
} else {
unreachable!()
};
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let (event_loop_after_restart, event_loop_handle_after_restart) =
testutils::init_bob_event_loop(alice_peer_id, alice_multiaddr);
tokio::spawn(event_loop_after_restart.run());
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let bob_state = bob::swap::swap(
resume_state,
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event_loop_handle_after_restart,
bob_db,
bob_btc_wallet,
bob_xmr_wallet,
OsRng,
bob_swap_id,
)
.await
.unwrap();
// Wait for Alice to finish too
alice_swap_handle.await.unwrap().unwrap();
assert!(matches!(bob_state, BobState::XmrRedeemed {..}));
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let btc_alice_final = alice_btc_wallet_clone.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_clone.as_ref().get_balance().await.unwrap();
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bob_xmr_wallet_clone.as_ref().inner.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);
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}