mirror of
https://github.com/comit-network/xmr-btc-swap.git
synced 2024-10-01 01:45:40 -04:00
520 lines
15 KiB
Rust
520 lines
15 KiB
Rust
use bitcoin_harness::Bitcoind;
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use futures::future::try_join;
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use libp2p::{Multiaddr, PeerId};
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use monero_harness::Monero;
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use rand::rngs::OsRng;
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use std::sync::Arc;
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use swap::{
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alice, alice::swap::AliceState, bob, bob::swap::BobState, network::transport::build,
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storage::Database, SwapAmounts,
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};
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use tempfile::tempdir;
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use testcontainers::clients::Cli;
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use tracing_core::dispatcher::DefaultGuard;
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use tracing_log::LogTracer;
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use uuid::Uuid;
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use xmr_btc::{alice::State0, bitcoin, config::Config, cross_curve_dleq};
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/// Run the following tests with RUST_MIN_STACK=10000000
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#[tokio::test]
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async fn happy_path() {
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let _guard = init_tracing();
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let cli = Cli::default();
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let bitcoind = Bitcoind::new(&cli, "0.19.1").unwrap();
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let _ = bitcoind.init(5).await;
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let (monero, _container) =
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Monero::new(&cli, None, vec!["alice".to_string(), "bob".to_string()])
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.await
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.unwrap();
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let btc_to_swap = bitcoin::Amount::from_sat(1_000_000);
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let btc_alice = bitcoin::Amount::ZERO;
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let btc_bob = btc_to_swap * 10;
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// this xmr value matches the logic of alice::calculate_amounts i.e. btc *
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// 10_000 * 100
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let xmr_to_swap = xmr_btc::monero::Amount::from_piconero(1_000_000_000_000);
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let xmr_alice = xmr_to_swap * 10;
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let xmr_bob = xmr_btc::monero::Amount::from_piconero(0);
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let alice_multiaddr: Multiaddr = "/ip4/127.0.0.1/tcp/9876"
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.parse()
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.expect("failed to parse Alice's address");
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let config = Config::regtest();
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let (
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alice_state,
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mut alice_swarm_driver,
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alice_swarm_handle,
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alice_btc_wallet,
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alice_xmr_wallet,
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alice_peer_id,
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) = init_alice(
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&bitcoind,
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&monero,
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btc_to_swap,
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btc_alice,
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xmr_to_swap,
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xmr_alice,
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alice_multiaddr.clone(),
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config,
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)
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.await;
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let (bob_state, bob_swarm_driver, bob_swarm_handle, bob_btc_wallet, bob_xmr_wallet, bob_db) =
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init_bob(
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alice_multiaddr,
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alice_peer_id,
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&bitcoind,
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&monero,
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btc_to_swap,
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btc_bob,
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xmr_to_swap,
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xmr_bob,
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config,
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)
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.await;
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let alice_swap_fut = alice::swap::swap(
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alice_state,
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alice_swarm_handle,
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alice_btc_wallet.clone(),
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alice_xmr_wallet.clone(),
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config,
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);
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let _alice_swarm_fut = tokio::spawn(async move { alice_swarm_driver.run().await });
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let bob_swap_fut = bob::swap::swap(
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bob_state,
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bob_swarm_handle,
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bob_db,
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bob_btc_wallet.clone(),
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bob_xmr_wallet.clone(),
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OsRng,
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Uuid::new_v4(),
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);
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let _bob_swarm_fut = tokio::spawn(async move { bob_swarm_driver.run().await });
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try_join(alice_swap_fut, bob_swap_fut).await.unwrap();
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let btc_alice_final = alice_btc_wallet.as_ref().balance().await.unwrap();
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let btc_bob_final = bob_btc_wallet.as_ref().balance().await.unwrap();
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let xmr_alice_final = alice_xmr_wallet.as_ref().get_balance().await.unwrap();
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bob_xmr_wallet.as_ref().0.refresh().await.unwrap();
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let xmr_bob_final = bob_xmr_wallet.as_ref().get_balance().await.unwrap();
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assert_eq!(
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btc_alice_final,
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btc_alice + btc_to_swap - bitcoin::Amount::from_sat(bitcoin::TX_FEE)
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);
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assert!(btc_bob_final <= btc_bob - btc_to_swap);
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assert!(xmr_alice_final <= xmr_alice - xmr_to_swap);
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assert_eq!(xmr_bob_final, xmr_bob + xmr_to_swap);
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}
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/// Bob locks Btc and Alice locks Xmr. Bob does not act; he fails to send Alice
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/// the encsig and fail to refund or redeem. Alice punishes.
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#[tokio::test]
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async fn alice_punishes_if_bob_never_acts_after_fund() {
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let _guard = init_tracing();
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let cli = Cli::default();
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let bitcoind = Bitcoind::new(&cli, "0.19.1").unwrap();
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let _ = bitcoind.init(5).await;
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let (monero, _container) =
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Monero::new(&cli, None, vec!["alice".to_string(), "bob".to_string()])
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.await
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.unwrap();
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let btc_to_swap = bitcoin::Amount::from_sat(1_000_000);
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let xmr_to_swap = xmr_btc::monero::Amount::from_piconero(1_000_000_000_000);
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let bob_btc_starting_balance = btc_to_swap * 10;
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let bob_xmr_starting_balance = xmr_btc::monero::Amount::from_piconero(0);
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let alice_btc_starting_balance = bitcoin::Amount::ZERO;
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let alice_xmr_starting_balance = xmr_to_swap * 10;
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let alice_multiaddr: Multiaddr = "/ip4/127.0.0.1/tcp/9877"
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.parse()
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.expect("failed to parse Alice's address");
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let config = Config::regtest();
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let (
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alice_state,
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mut alice_swarm,
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alice_swarm_handle,
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alice_btc_wallet,
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alice_xmr_wallet,
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alice_peer_id,
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) = init_alice(
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&bitcoind,
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&monero,
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btc_to_swap,
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alice_btc_starting_balance,
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xmr_to_swap,
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alice_xmr_starting_balance,
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alice_multiaddr.clone(),
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config,
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)
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.await;
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let (bob_state, bob_swarm_driver, bob_swarm_handle, bob_btc_wallet, bob_xmr_wallet, bob_db) =
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init_bob(
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alice_multiaddr,
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alice_peer_id,
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&bitcoind,
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&monero,
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btc_to_swap,
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bob_btc_starting_balance,
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xmr_to_swap,
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bob_xmr_starting_balance,
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config,
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)
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.await;
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let bob_btc_locked_fut = bob::swap::run_until(
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bob_state,
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bob::swap::is_btc_locked,
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bob_swarm_handle,
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bob_db,
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bob_btc_wallet.clone(),
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bob_xmr_wallet.clone(),
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OsRng,
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Uuid::new_v4(),
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);
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let _bob_swarm_fut = tokio::spawn(async move { bob_swarm_driver.run().await });
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let alice_fut = alice::swap::swap(
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alice_state,
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alice_swarm_handle,
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alice_btc_wallet.clone(),
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alice_xmr_wallet.clone(),
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Config::regtest(),
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);
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let _alice_swarm_fut = tokio::spawn(async move { alice_swarm.run().await });
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// Wait until alice has locked xmr and bob has locked btc
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let ((alice_state, _), bob_state) = try_join(alice_fut, bob_btc_locked_fut).await.unwrap();
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assert!(matches!(alice_state, AliceState::Punished));
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let bob_state3 = if let BobState::BtcLocked(state3, ..) = bob_state {
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state3
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} else {
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panic!("Bob in unexpected state");
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};
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let btc_alice_final = alice_btc_wallet.as_ref().balance().await.unwrap();
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let btc_bob_final = bob_btc_wallet.as_ref().balance().await.unwrap();
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// lock_tx_bitcoin_fee is determined by the wallet, it is not necessarily equal
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// to TX_FEE
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let lock_tx_bitcoin_fee = bob_btc_wallet
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.transaction_fee(bob_state3.tx_lock_id())
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.await
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.unwrap();
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assert_eq!(
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btc_alice_final,
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alice_btc_starting_balance + btc_to_swap - bitcoin::Amount::from_sat(2 * bitcoin::TX_FEE)
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);
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assert_eq!(
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btc_bob_final,
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bob_btc_starting_balance - btc_to_swap - lock_tx_bitcoin_fee
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);
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}
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// Bob locks btc and Alice locks xmr. Alice fails to act so Bob refunds. Alice
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// then also refunds.
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#[tokio::test]
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async fn both_refund() {
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use tracing_subscriber::util::SubscriberInitExt as _;
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let _guard = tracing_subscriber::fmt()
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.with_env_filter("swap=info,xmr_btc=info")
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.with_ansi(false)
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.set_default();
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let cli = Cli::default();
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let bitcoind = Bitcoind::new(&cli, "0.19.1").unwrap();
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let _ = bitcoind.init(5).await;
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let (monero, _container) =
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Monero::new(&cli, None, vec!["alice".to_string(), "bob".to_string()])
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.await
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.unwrap();
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let btc_to_swap = bitcoin::Amount::from_sat(1_000_000);
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let xmr_to_swap = xmr_btc::monero::Amount::from_piconero(1_000_000_000_000);
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let bob_btc_starting_balance = btc_to_swap * 10;
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let bob_xmr_starting_balance = xmr_btc::monero::Amount::from_piconero(0);
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let alice_btc_starting_balance = bitcoin::Amount::ZERO;
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let alice_xmr_starting_balance = xmr_to_swap * 10;
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let alice_multiaddr: Multiaddr = "/ip4/127.0.0.1/tcp/9877"
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.parse()
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.expect("failed to parse Alice's address");
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let (
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alice_state,
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mut alice_swarm,
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alice_swarm_handle,
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alice_btc_wallet,
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alice_xmr_wallet,
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alice_peer_id,
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) = init_alice(
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&bitcoind,
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&monero,
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btc_to_swap,
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alice_btc_starting_balance,
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xmr_to_swap,
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alice_xmr_starting_balance,
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alice_multiaddr.clone(),
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)
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.await;
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let (bob_state, bob_swarm_driver, bob_swarm_handle, bob_btc_wallet, bob_xmr_wallet, bob_db) =
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init_bob(
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alice_multiaddr,
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alice_peer_id,
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&bitcoind,
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&monero,
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btc_to_swap,
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bob_btc_starting_balance,
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xmr_to_swap,
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bob_xmr_starting_balance,
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)
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.await;
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let bob_fut = bob::swap::swap(
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bob_state,
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bob_swarm_handle,
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bob_db,
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bob_btc_wallet.clone(),
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bob_xmr_wallet.clone(),
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OsRng,
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Uuid::new_v4(),
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);
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tokio::spawn(async move { bob_swarm_driver.run().await });
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let alice_fut = alice::swap::run_until(
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alice_state,
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alice::swap::is_xmr_locked,
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alice_swarm_handle,
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alice_btc_wallet.clone(),
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alice_xmr_wallet.clone(),
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Config::regtest(),
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);
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tokio::spawn(async move { alice_swarm.run().await });
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let ((_alice_state, _), bob_state) = try_join(alice_fut, bob_fut).await.unwrap();
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assert!(matches!(bob_state, BobState::BtcRefunded));
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}
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#[allow(clippy::too_many_arguments)]
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async fn init_alice(
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bitcoind: &Bitcoind<'_>,
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monero: &Monero,
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btc_to_swap: bitcoin::Amount,
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_btc_starting_balance: bitcoin::Amount,
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xmr_to_swap: xmr_btc::monero::Amount,
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xmr_starting_balance: xmr_btc::monero::Amount,
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listen: Multiaddr,
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config: Config,
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) -> (
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AliceState,
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alice::event_loop::EventLoop,
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alice::event_loop::EventLoopHandle,
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Arc<swap::bitcoin::Wallet>,
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Arc<swap::monero::Wallet>,
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PeerId,
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) {
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monero
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.init(vec![("alice", xmr_starting_balance.as_piconero())])
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.await
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.unwrap();
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let alice_xmr_wallet = Arc::new(swap::monero::Wallet(
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monero.wallet("alice").unwrap().client(),
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));
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let alice_btc_wallet = Arc::new(
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swap::bitcoin::Wallet::new("alice", bitcoind.node_url.clone(), config.bitcoin_network)
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.await
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.unwrap(),
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);
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let amounts = SwapAmounts {
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btc: btc_to_swap,
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xmr: xmr_to_swap,
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};
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let (alice_state, alice_behaviour) = {
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let rng = &mut OsRng;
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let a = bitcoin::SecretKey::new_random(rng);
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let s_a = cross_curve_dleq::Scalar::random(rng);
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let v_a = xmr_btc::monero::PrivateViewKey::new_random(rng);
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let redeem_address = alice_btc_wallet.as_ref().new_address().await.unwrap();
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let punish_address = redeem_address.clone();
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let state0 = State0::new(
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a,
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s_a,
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v_a,
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amounts.btc,
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amounts.xmr,
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config.bitcoin_refund_timelock,
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config.bitcoin_punish_timelock,
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redeem_address,
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punish_address,
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);
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// let msg0 = AliceToBob::Message0(self.state.next_message(&mut OsRng));
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(
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AliceState::Started {
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amounts,
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state0: state0.clone(),
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},
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alice::Behaviour::new(state0),
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)
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};
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let alice_peer_id = alice_behaviour.peer_id();
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let alice_transport = build(alice_behaviour.identity()).unwrap();
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let (swarm_driver, handle) =
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alice::event_loop::EventLoop::new(alice_transport, alice_behaviour, listen).unwrap();
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(
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alice_state,
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swarm_driver,
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handle,
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alice_btc_wallet,
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alice_xmr_wallet,
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alice_peer_id,
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)
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}
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#[allow(clippy::too_many_arguments)]
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async fn init_bob(
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alice_multiaddr: Multiaddr,
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alice_peer_id: PeerId,
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bitcoind: &Bitcoind<'_>,
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monero: &Monero,
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btc_to_swap: bitcoin::Amount,
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btc_starting_balance: bitcoin::Amount,
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xmr_to_swap: xmr_btc::monero::Amount,
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xmr_stating_balance: xmr_btc::monero::Amount,
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config: Config,
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) -> (
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BobState,
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bob::event_loop::EventLoop,
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bob::event_loop::EventLoopHandle,
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Arc<swap::bitcoin::Wallet>,
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Arc<swap::monero::Wallet>,
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Database,
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) {
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let bob_btc_wallet = Arc::new(
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swap::bitcoin::Wallet::new("bob", bitcoind.node_url.clone(), config.bitcoin_network)
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.await
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.unwrap(),
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);
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bitcoind
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.mint(
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bob_btc_wallet.inner.new_address().await.unwrap(),
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btc_starting_balance,
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)
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.await
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.unwrap();
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monero
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.init(vec![("bob", xmr_stating_balance.as_piconero())])
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.await
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.unwrap();
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let bob_xmr_wallet = Arc::new(swap::monero::Wallet(monero.wallet("bob").unwrap().client()));
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let amounts = SwapAmounts {
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btc: btc_to_swap,
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xmr: xmr_to_swap,
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};
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let bob_db_dir = tempdir().unwrap();
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let bob_db = Database::open(bob_db_dir.path()).unwrap();
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let bob_behaviour = bob::Behaviour::default();
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let bob_transport = build(bob_behaviour.identity()).unwrap();
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let refund_address = bob_btc_wallet.new_address().await.unwrap();
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let state0 = xmr_btc::bob::State0::new(
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&mut OsRng,
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btc_to_swap,
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xmr_to_swap,
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config.bitcoin_refund_timelock,
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config.bitcoin_punish_timelock,
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refund_address,
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);
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let bob_state = BobState::Started {
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state0,
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amounts,
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peer_id: alice_peer_id,
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addr: alice_multiaddr,
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};
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let (swarm_driver, swarm_handle) =
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bob::event_loop::EventLoop::new(bob_transport, bob_behaviour).unwrap();
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(
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bob_state,
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swarm_driver,
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swarm_handle,
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bob_btc_wallet,
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bob_xmr_wallet,
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bob_db,
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)
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}
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/// Utility function to initialize logging in the test environment.
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/// Note that you have to keep the `_guard` in scope after calling in test:
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///
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/// ```rust
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/// let _guard = init_tracing();
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/// ```
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fn init_tracing() -> DefaultGuard {
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// converts all log records into tracing events
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// Note: Make sure to initialize without unwrapping, otherwise this causes
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// trouble when running multiple tests.
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let _ = LogTracer::init();
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let global_filter = tracing::Level::WARN;
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let swap_filter = tracing::Level::DEBUG;
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let xmr_btc_filter = tracing::Level::DEBUG;
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let monero_harness_filter = tracing::Level::INFO;
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let bitcoin_harness_filter = tracing::Level::INFO;
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use tracing_subscriber::util::SubscriberInitExt as _;
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tracing_subscriber::fmt()
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.with_env_filter(format!(
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"{},swap={},xmr-btc={},monero_harness={},bitcoin_harness={}",
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global_filter,
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swap_filter,
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xmr_btc_filter,
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monero_harness_filter,
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bitcoin_harness_filter,
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))
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.set_default()
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}
|