xmr-btc-swap/swap/tests/e2e.rs

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use bitcoin_harness::Bitcoind;
use futures::{channel::mpsc, future::try_join};
use libp2p::Multiaddr;
use monero_harness::Monero;
use std::sync::Arc;
use swap::{alice, bob};
use testcontainers::clients::Cli;
use tracing_subscriber::util::SubscriberInitExt;
#[tokio::test]
async fn swap() {
let _guard = tracing_subscriber::fmt()
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.with_env_filter(
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"swap=debug,xmr_btc=debug,hyper=off,reqwest=off,monero_harness=info,testcontainers=info,libp2p=debug",
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)
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.with_ansi(false)
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.set_default();
let alice_multiaddr: Multiaddr = "/ip4/127.0.0.1/tcp/9876"
.parse()
.expect("failed to parse Alice's address");
let cli = Cli::default();
let bitcoind = Bitcoind::new(&cli, "0.19.1").unwrap();
let _ = bitcoind.init(5).await;
let btc = bitcoin::Amount::from_sat(1_000_000);
let btc_alice = bitcoin::Amount::ZERO;
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let btc_bob = btc * 10;
// this xmr value matches the logic of alice::calculate_amounts i.e. btc *
// 10_000 * 100
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let xmr = 1_000_000_000_000;
let xmr_alice = xmr * 10;
let xmr_bob = 0;
let alice_btc_wallet = Arc::new(
swap::bitcoin::Wallet::new("alice", &bitcoind.node_url)
.await
.unwrap(),
);
let bob_btc_wallet = Arc::new(
swap::bitcoin::Wallet::new("bob", &bitcoind.node_url)
.await
.unwrap(),
);
bitcoind
.mint(bob_btc_wallet.0.new_address().await.unwrap(), btc_bob)
.await
.unwrap();
let (monero, _container) = Monero::new(&cli).unwrap();
monero.init(xmr_alice, xmr_bob).await.unwrap();
let alice_xmr_wallet = Arc::new(swap::monero::Wallet(monero.alice_wallet_rpc_client()));
let bob_xmr_wallet = Arc::new(swap::monero::Wallet(monero.bob_wallet_rpc_client()));
let alice_swap = alice::swap(
alice_btc_wallet.clone(),
alice_xmr_wallet.clone(),
alice_multiaddr.clone(),
None,
);
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let (cmd_tx, mut _cmd_rx) = mpsc::channel(1);
let (mut rsp_tx, rsp_rx) = mpsc::channel(1);
let bob_swap = bob::swap(
bob_btc_wallet.clone(),
bob_xmr_wallet.clone(),
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btc.as_sat(),
alice_multiaddr,
cmd_tx,
rsp_rx,
);
// automate the verification step by accepting any amounts sent over by Alice
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rsp_tx.try_send(swap::Rsp::VerifiedAmounts).unwrap();
try_join(alice_swap, bob_swap).await.unwrap();
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();
monero.wait_for_bob_wallet_block_height().await.unwrap();
let xmr_bob_final = bob_xmr_wallet.as_ref().get_balance().await.unwrap();
assert_eq!(
btc_alice_final,
btc_alice + btc - bitcoin::Amount::from_sat(xmr_btc::bitcoin::TX_FEE)
);
assert!(btc_bob_final <= btc_bob - btc);
assert!(xmr_alice_final.as_piconero() <= xmr_alice - xmr);
assert_eq!(xmr_bob_final.as_piconero(), xmr_bob + xmr);
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}