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

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use crate::testutils::{init_alice, init_bob};
use futures::{
future::{join, select},
FutureExt,
};
use get_port::get_port;
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use libp2p::Multiaddr;
use rand::rngs::OsRng;
use swap::{
bitcoin,
config::Config,
monero,
protocol::{alice, bob},
seed::Seed,
};
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use testcontainers::clients::Cli;
use testutils::init_tracing;
use uuid::Uuid;
pub mod testutils;
/// Run the following tests with RUST_MIN_STACK=10000000
#[tokio::test]
async fn happy_path() {
let _guard = init_tracing();
let cli = Cli::default();
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let (
monero,
testutils::Containers {
bitcoind,
monerods: _monerods,
},
) = testutils::init_containers(&cli).await;
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let btc_to_swap = bitcoin::Amount::from_sat(1_000_000);
let btc_alice = bitcoin::Amount::ZERO;
let btc_bob = btc_to_swap * 10;
// this xmr value matches the logic of alice::calculate_amounts i.e. btc *
// 10_000 * 100
let xmr_to_swap = monero::Amount::from_piconero(1_000_000_000_000);
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let xmr_alice = xmr_to_swap * 10;
let xmr_bob = monero::Amount::ZERO;
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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,
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alice_db,
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) = init_alice(
&bitcoind,
&monero,
btc_to_swap,
xmr_to_swap,
xmr_alice,
alice_multiaddr.clone(),
config,
Seed::random().unwrap(),
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)
.await;
let (bob_state, bob_event_loop, bob_event_loop_handle, bob_btc_wallet, bob_xmr_wallet, bob_db) =
init_bob(
alice_multiaddr.clone(),
alice_event_loop.peer_id(),
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&bitcoind,
&monero,
btc_to_swap,
btc_bob,
xmr_to_swap,
config,
)
.await;
let alice_swap_fut = alice::swap::swap(
alice_state,
alice_event_loop_handle,
alice_btc_wallet.clone(),
alice_xmr_wallet.clone(),
config,
Uuid::new_v4(),
alice_db,
)
.boxed();
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let alice_fut = select(alice_swap_fut, alice_event_loop.run().boxed());
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let bob_swap_fut = bob::swap::swap(
bob_state,
bob_event_loop_handle,
bob_db,
bob_btc_wallet.clone(),
bob_xmr_wallet.clone(),
OsRng,
Uuid::new_v4(),
)
.boxed();
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let bob_fut = select(bob_swap_fut, bob_event_loop.run().boxed());
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join(alice_fut, bob_fut).await;
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let btc_alice_final = alice_btc_wallet.as_ref().balance().await.unwrap();
let btc_bob_final = bob_btc_wallet.as_ref().balance().await.unwrap();
let xmr_alice_final = alice_xmr_wallet.as_ref().get_balance().await.unwrap();
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bob_xmr_wallet.as_ref().inner.refresh().await.unwrap();
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let xmr_bob_final = bob_xmr_wallet.as_ref().get_balance().await.unwrap();
assert_eq!(
btc_alice_final,
btc_alice + btc_to_swap - bitcoin::Amount::from_sat(bitcoin::TX_FEE)
);
assert!(btc_bob_final <= btc_bob - btc_to_swap);
assert!(xmr_alice_final <= xmr_alice - xmr_to_swap);
assert_eq!(xmr_bob_final, xmr_bob + xmr_to_swap);
}