mirror of
https://github.com/comit-network/xmr-btc-swap.git
synced 2024-08-24 11:15:53 +00:00
163 lines
5.0 KiB
Rust
163 lines
5.0 KiB
Rust
use crate::testutils::{init_alice, init_bob};
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use futures::future::try_join;
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use libp2p::Multiaddr;
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use rand::rngs::OsRng;
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use swap::{alice, alice::swap::AliceState, bob, bob::swap::BobState, storage::Database};
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use tempfile::tempdir;
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use testcontainers::clients::Cli;
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use testutils::init_tracing;
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use uuid::Uuid;
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use xmr_btc::{bitcoin, config::Config};
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pub mod testutils;
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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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let _guard = init_tracing();
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let cli = Cli::default();
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let (
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monero,
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testutils::Containers {
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bitcoind,
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monerods: _monerods,
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},
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) = testutils::init_containers(&cli).await;
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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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// todo: This should not be hardcoded
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let alice_multiaddr: Multiaddr = "/ip4/127.0.0.1/tcp/9879"
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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_event_loop,
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alice_event_loop_handle,
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alice_btc_wallet,
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alice_xmr_wallet,
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_,
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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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xmr_to_swap,
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alice_xmr_starting_balance,
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alice_multiaddr.clone(),
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Config::regtest(),
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)
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.await;
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let (bob_state, bob_event_loop, bob_event_loop_handle, bob_btc_wallet, bob_xmr_wallet, bob_db) =
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init_bob(
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alice_multiaddr.clone(),
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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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Config::regtest(),
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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_event_loop_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_event_loop.run().await });
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let alice_swap_id = Uuid::new_v4();
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let alice_db_datadir = tempdir().unwrap();
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let alice_db = Database::open(alice_db_datadir.path()).unwrap();
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let alice_xmr_locked_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_event_loop_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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alice_swap_id,
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alice_db,
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);
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tokio::spawn(async move { alice_event_loop.run().await });
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// Wait until alice has locked xmr and bob has locked btc
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let (bob_state, alice_state) = try_join(bob_fut, alice_xmr_locked_fut).await.unwrap();
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let bob_state4 = if let BobState::BtcRefunded(state4) = bob_state {
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state4
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} else {
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panic!("Bob in unexpected state");
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};
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let alice_db = Database::open(alice_db_datadir.path()).unwrap();
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let (mut alice_event_loop, alice_event_loop_handle) =
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testutils::init_alice_event_loop(alice_multiaddr);
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let alice_state = alice::swap::swap(
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alice_state,
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alice_event_loop_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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alice_swap_id,
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alice_db,
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)
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.await
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.unwrap();
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tokio::spawn(async move { alice_event_loop.run().await });
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assert!(matches!(alice_state, AliceState::XmrRefunded));
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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_state4.tx_lock_id())
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.await
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.unwrap();
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assert_eq!(btc_alice_final, alice_btc_starting_balance);
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// Alice or Bob could publish TxCancel. This means Bob could pay tx fees for
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// TxCancel and TxRefund or only TxRefund
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let btc_bob_final_alice_submitted_cancel = btc_bob_final
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== bob_btc_starting_balance
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- lock_tx_bitcoin_fee
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- bitcoin::Amount::from_sat(bitcoin::TX_FEE);
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let btc_bob_final_bob_submitted_cancel = btc_bob_final
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== bob_btc_starting_balance
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- lock_tx_bitcoin_fee
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- bitcoin::Amount::from_sat(2 * bitcoin::TX_FEE);
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assert!(btc_bob_final_alice_submitted_cancel || btc_bob_final_bob_submitted_cancel);
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alice_xmr_wallet.as_ref().0.refresh().await.unwrap();
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let xmr_alice_final = alice_xmr_wallet.as_ref().get_balance().await.unwrap();
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assert_eq!(xmr_alice_final, xmr_to_swap);
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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!(xmr_bob_final, bob_xmr_starting_balance);
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}
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