mirror of
https://github.com/comit-network/xmr-btc-swap.git
synced 2024-10-31 15:20:15 +00:00
619 lines
18 KiB
Rust
619 lines
18 KiB
Rust
use crate::testutils;
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use bitcoin_harness::Bitcoind;
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use futures::Future;
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use get_port::get_port;
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use libp2p::{core::Multiaddr, PeerId};
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use monero_harness::{image, Monero};
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use rand::rngs::OsRng;
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use std::{path::PathBuf, sync::Arc};
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use swap::{
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bitcoin,
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config::Config,
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database::Database,
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monero, network,
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network::transport::build,
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protocol::{alice, alice::AliceState, bob, bob::BobState},
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seed::Seed,
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SwapAmounts,
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};
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use tempfile::tempdir;
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use testcontainers::{clients::Cli, Container};
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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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pub async fn test<T, F>(testfn: T)
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where
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T: Fn(AliceHarness, BobHarness) -> F,
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F: Future<Output = ()>,
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{
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let cli = Cli::default();
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let _guard = init_tracing();
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let (monero, containers) = testutils::init_containers(&cli).await;
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let swap_amounts = SwapAmounts {
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btc: bitcoin::Amount::from_sat(1_000_000),
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xmr: monero::Amount::from_piconero(1_000_000_000_000),
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};
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let config = Config::regtest();
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let alice_starting_balances = StartingBalances {
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xmr: swap_amounts.xmr * 10,
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btc: bitcoin::Amount::ZERO,
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};
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let alice_harness = AliceHarness::new(
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config,
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swap_amounts,
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Uuid::new_v4(),
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&monero,
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&containers.bitcoind,
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alice_starting_balances,
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)
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.await;
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let bob_starting_balances = StartingBalances {
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xmr: monero::Amount::ZERO,
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btc: swap_amounts.btc * 10,
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};
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let bob_harness = BobHarness::new(
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config,
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swap_amounts,
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Uuid::new_v4(),
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&monero,
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&containers.bitcoind,
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bob_starting_balances,
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alice_harness.listen_address(),
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alice_harness.peer_id(),
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)
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.await;
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testfn(alice_harness, bob_harness).await
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}
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pub struct Alice {
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pub state: AliceState,
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pub event_loop_handle: alice::EventLoopHandle,
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pub bitcoin_wallet: Arc<bitcoin::Wallet>,
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pub monero_wallet: Arc<monero::Wallet>,
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pub config: Config,
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pub swap_id: Uuid,
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pub db: Database,
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}
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pub struct AliceHarness {
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listen_address: Multiaddr,
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peer_id: PeerId,
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seed: Seed,
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db_path: PathBuf,
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swap_id: Uuid,
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swap_amounts: SwapAmounts,
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bitcoin_wallet: Arc<bitcoin::Wallet>,
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monero_wallet: Arc<monero::Wallet>,
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config: Config,
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starting_balances: StartingBalances,
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}
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impl AliceHarness {
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async fn new(
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config: Config,
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swap_amounts: SwapAmounts,
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swap_id: Uuid,
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monero: &Monero,
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bitcoind: &Bitcoind<'_>,
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starting_balances: StartingBalances,
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) -> Self {
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let port = get_port().expect("Failed to find a free port");
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let listen_address: Multiaddr = format!("/ip4/127.0.0.1/tcp/{}", port)
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.parse()
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.expect("failed to parse Alice's address");
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let seed = Seed::random().unwrap();
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let db_path = tempdir().unwrap().path().to_path_buf();
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let (bitcoin_wallet, monero_wallet) =
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init_wallets("alice", bitcoind, monero, starting_balances.clone(), config).await;
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// TODO: This should be done by changing the production code
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let network_seed = network::Seed::new(seed);
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let identity = network_seed.derive_libp2p_identity();
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let peer_id = PeerId::from(identity.public());
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Self {
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seed,
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db_path,
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listen_address,
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peer_id,
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swap_id,
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swap_amounts,
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bitcoin_wallet,
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monero_wallet,
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config,
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starting_balances,
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}
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}
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pub async fn new_alice(&self) -> Alice {
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let initial_state = init_alice_state(
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self.swap_amounts.btc,
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self.swap_amounts.xmr,
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self.bitcoin_wallet.clone(),
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self.config,
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)
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.await;
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let (mut event_loop, event_loop_handle) =
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init_alice_event_loop(self.listen_address.clone(), self.seed);
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tokio::spawn(async move { event_loop.run().await });
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let db = Database::open(self.db_path.as_path()).unwrap();
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Alice {
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event_loop_handle,
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bitcoin_wallet: self.bitcoin_wallet.clone(),
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monero_wallet: self.monero_wallet.clone(),
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config: self.config,
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db,
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state: initial_state,
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swap_id: self.swap_id,
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}
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}
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pub async fn recover_alice_from_db(&self) -> Alice {
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// TODO: "simulated restart" issues:
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// - create new wallets instead of reusing (hard because of container
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// lifetimes)
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// - consider aborting the old event loop (currently just keeps running)
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// reopen the existing database
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let db = Database::open(self.db_path.clone().as_path()).unwrap();
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let resume_state =
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if let swap::database::Swap::Alice(state) = db.get_state(self.swap_id).unwrap() {
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state.into()
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} else {
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unreachable!()
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};
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let (mut event_loop, event_loop_handle) =
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init_alice_event_loop(self.listen_address.clone(), self.seed);
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tokio::spawn(async move { event_loop.run().await });
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Alice {
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state: resume_state,
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event_loop_handle,
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bitcoin_wallet: self.bitcoin_wallet.clone(),
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monero_wallet: self.monero_wallet.clone(),
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config: self.config,
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swap_id: self.swap_id,
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db,
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}
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}
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pub async fn assert_redeemed(&self, state: AliceState) {
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assert!(matches!(state, AliceState::BtcRedeemed));
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let btc_balance_after_swap = self.bitcoin_wallet.as_ref().balance().await.unwrap();
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assert_eq!(
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btc_balance_after_swap,
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self.starting_balances.btc + self.swap_amounts.btc
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- bitcoin::Amount::from_sat(bitcoin::TX_FEE)
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);
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let xmr_balance_after_swap = self.monero_wallet.as_ref().get_balance().await.unwrap();
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assert!(xmr_balance_after_swap <= self.starting_balances.xmr - self.swap_amounts.xmr);
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}
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pub async fn assert_refunded(&self, state: AliceState) {
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assert!(matches!(state, AliceState::XmrRefunded));
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let btc_balance_after_swap = self.bitcoin_wallet.as_ref().balance().await.unwrap();
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assert_eq!(btc_balance_after_swap, self.starting_balances.btc);
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// Ensure that Alice's balance is refreshed as we use a newly created wallet
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self.monero_wallet.as_ref().inner.refresh().await.unwrap();
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let xmr_balance_after_swap = self.monero_wallet.as_ref().get_balance().await.unwrap();
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assert_eq!(xmr_balance_after_swap, self.swap_amounts.xmr);
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}
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pub async fn assert_punished(&self, state: AliceState) {
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assert!(matches!(state, AliceState::BtcPunished));
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let btc_balance_after_swap = self.bitcoin_wallet.as_ref().balance().await.unwrap();
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assert_eq!(
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btc_balance_after_swap,
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self.starting_balances.btc + self.swap_amounts.btc
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- bitcoin::Amount::from_sat(2 * bitcoin::TX_FEE)
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);
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let xnr_balance_after_swap = self.monero_wallet.as_ref().get_balance().await.unwrap();
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assert!(xnr_balance_after_swap <= self.starting_balances.xmr - self.swap_amounts.xmr);
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}
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pub fn peer_id(&self) -> PeerId {
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self.peer_id.clone()
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}
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pub fn listen_address(&self) -> Multiaddr {
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self.listen_address.clone()
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}
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}
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pub struct Bob {
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pub state: BobState,
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pub event_loop_handle: bob::EventLoopHandle,
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pub db: Database,
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pub bitcoin_wallet: Arc<bitcoin::Wallet>,
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pub monero_wallet: Arc<monero::Wallet>,
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pub swap_id: Uuid,
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}
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pub struct BobHarness {
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db_path: PathBuf,
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swap_id: Uuid,
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swap_amounts: SwapAmounts,
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bitcoin_wallet: Arc<bitcoin::Wallet>,
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monero_wallet: Arc<monero::Wallet>,
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config: Config,
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starting_balances: StartingBalances,
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alice_connect_address: Multiaddr,
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alice_connect_peer_id: PeerId,
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}
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impl BobHarness {
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#[allow(clippy::too_many_arguments)]
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async fn new(
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config: Config,
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swap_amounts: SwapAmounts,
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swap_id: Uuid,
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monero: &Monero,
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bitcoind: &Bitcoind<'_>,
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starting_balances: StartingBalances,
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alice_connect_address: Multiaddr,
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alice_connect_peer_id: PeerId,
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) -> Self {
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let db_path = tempdir().unwrap().path().to_path_buf();
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let (bitcoin_wallet, monero_wallet) =
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init_wallets("bob", bitcoind, monero, starting_balances.clone(), config).await;
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Self {
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db_path,
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swap_id,
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swap_amounts,
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bitcoin_wallet,
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monero_wallet,
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config,
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starting_balances,
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alice_connect_address,
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alice_connect_peer_id,
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}
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}
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pub async fn new_bob(&self) -> Bob {
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let initial_state = init_bob_state(
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self.swap_amounts.btc,
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self.swap_amounts.xmr,
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self.bitcoin_wallet.clone(),
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self.config,
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)
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.await;
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let (event_loop, event_loop_handle) = init_bob_event_loop(
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self.alice_connect_peer_id.clone(),
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self.alice_connect_address.clone(),
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);
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tokio::spawn(async move { event_loop.run().await });
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let db = Database::open(self.db_path.as_path()).unwrap();
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Bob {
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state: initial_state,
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event_loop_handle,
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db,
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bitcoin_wallet: self.bitcoin_wallet.clone(),
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monero_wallet: self.monero_wallet.clone(),
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swap_id: self.swap_id,
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}
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}
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pub async fn recover_bob_from_db(&self) -> Bob {
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// TODO: "simulated restart" issues:
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// - create new wallets instead of reusing (hard because of container
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// lifetimes)
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// - consider aborting the old event loop (currently just keeps running)
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// reopen the existing database
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let db = Database::open(self.db_path.clone().as_path()).unwrap();
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let resume_state =
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if let swap::database::Swap::Bob(state) = db.get_state(self.swap_id).unwrap() {
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state.into()
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} else {
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unreachable!()
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};
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let (event_loop, event_loop_handle) = init_bob_event_loop(
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self.alice_connect_peer_id.clone(),
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self.alice_connect_address.clone(),
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);
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tokio::spawn(async move { event_loop.run().await });
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Bob {
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state: resume_state,
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event_loop_handle,
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db,
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bitcoin_wallet: self.bitcoin_wallet.clone(),
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monero_wallet: self.monero_wallet.clone(),
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swap_id: self.swap_id,
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}
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}
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pub async fn assert_redeemed(&self, state: BobState) {
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let lock_tx_id = if let BobState::XmrRedeemed { tx_lock_id } = state {
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tx_lock_id
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} else {
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panic!("Bob in unexpected state");
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};
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let lock_tx_bitcoin_fee = self
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.bitcoin_wallet
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.transaction_fee(lock_tx_id)
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.await
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.unwrap();
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let btc_balance_after_swap = self.bitcoin_wallet.as_ref().balance().await.unwrap();
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assert_eq!(
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btc_balance_after_swap,
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self.starting_balances.btc - self.swap_amounts.btc - lock_tx_bitcoin_fee
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);
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// Ensure that Bob's balance is refreshed as we use a newly created wallet
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self.monero_wallet.as_ref().inner.refresh().await.unwrap();
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let xmr_balance_after_swap = self.monero_wallet.as_ref().get_balance().await.unwrap();
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assert_eq!(
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xmr_balance_after_swap,
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self.starting_balances.xmr + self.swap_amounts.xmr
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);
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}
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pub async fn assert_refunded(&self, state: BobState) {
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let lock_tx_id = if let BobState::BtcRefunded(state4) = state {
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state4.tx_lock_id()
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} else {
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panic!("Bob in unexpected state");
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};
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let lock_tx_bitcoin_fee = self
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.bitcoin_wallet
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.transaction_fee(lock_tx_id)
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.await
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.unwrap();
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let btc_balance_after_swap = self.bitcoin_wallet.as_ref().balance().await.unwrap();
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let alice_submitted_cancel = btc_balance_after_swap
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== self.starting_balances.btc
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- lock_tx_bitcoin_fee
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- bitcoin::Amount::from_sat(bitcoin::TX_FEE);
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let bob_submitted_cancel = btc_balance_after_swap
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== self.starting_balances.btc
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- lock_tx_bitcoin_fee
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- bitcoin::Amount::from_sat(2 * bitcoin::TX_FEE);
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// The cancel tx can be submitted by both Alice and Bob.
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// Since we cannot be sure who submitted it we have to assert accordingly
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assert!(alice_submitted_cancel || bob_submitted_cancel);
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let xmr_balance_after_swap = self.monero_wallet.as_ref().get_balance().await.unwrap();
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assert_eq!(xmr_balance_after_swap, self.starting_balances.xmr);
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}
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pub async fn assert_punished(&self, state: BobState) {
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let lock_tx_id = if let BobState::BtcPunished { tx_lock_id } = state {
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tx_lock_id
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} else {
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panic!("Bob in unexpected state");
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};
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let lock_tx_bitcoin_fee = self
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.bitcoin_wallet
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.transaction_fee(lock_tx_id)
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.await
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.unwrap();
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let btc_balance_after_swap = self.bitcoin_wallet.as_ref().balance().await.unwrap();
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assert_eq!(
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btc_balance_after_swap,
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self.starting_balances.btc - self.swap_amounts.btc - lock_tx_bitcoin_fee
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);
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let xmr_balance_after_swap = self.monero_wallet.as_ref().get_balance().await.unwrap();
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assert_eq!(xmr_balance_after_swap, self.starting_balances.xmr);
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}
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}
|
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|
|
#[derive(Debug, Clone)]
|
|
struct StartingBalances {
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pub xmr: monero::Amount,
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pub btc: bitcoin::Amount,
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}
|
|
|
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async fn init_containers(cli: &Cli) -> (Monero, Containers<'_>) {
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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, monerods) = 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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(monero, Containers { bitcoind, monerods })
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}
|
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|
|
async fn init_wallets(
|
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name: &str,
|
|
bitcoind: &Bitcoind<'_>,
|
|
monero: &Monero,
|
|
starting_balances: StartingBalances,
|
|
config: Config,
|
|
) -> (Arc<bitcoin::Wallet>, Arc<monero::Wallet>) {
|
|
monero
|
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.init(vec![(name, starting_balances.xmr.as_piconero())])
|
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.await
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.unwrap();
|
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let xmr_wallet = Arc::new(swap::monero::Wallet {
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inner: monero.wallet(name).unwrap().client(),
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network: config.monero_network,
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});
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let btc_wallet = Arc::new(
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swap::bitcoin::Wallet::new(name, 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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|
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if starting_balances.btc != bitcoin::Amount::ZERO {
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bitcoind
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.mint(
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btc_wallet.inner.new_address().await.unwrap(),
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starting_balances.btc,
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)
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.await
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.unwrap();
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}
|
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|
|
(btc_wallet, xmr_wallet)
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}
|
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|
|
async fn init_alice_state(
|
|
btc_to_swap: bitcoin::Amount,
|
|
xmr_to_swap: monero::Amount,
|
|
alice_btc_wallet: Arc<bitcoin::Wallet>,
|
|
config: Config,
|
|
) -> AliceState {
|
|
let rng = &mut OsRng;
|
|
|
|
let amounts = SwapAmounts {
|
|
btc: btc_to_swap,
|
|
xmr: xmr_to_swap,
|
|
};
|
|
|
|
let a = bitcoin::SecretKey::new_random(rng);
|
|
let s_a = cross_curve_dleq::Scalar::random(rng);
|
|
let v_a = monero::PrivateViewKey::new_random(rng);
|
|
let redeem_address = alice_btc_wallet.as_ref().new_address().await.unwrap();
|
|
let punish_address = redeem_address.clone();
|
|
let state0 = alice::State0::new(
|
|
a,
|
|
s_a,
|
|
v_a,
|
|
amounts.btc,
|
|
amounts.xmr,
|
|
config.bitcoin_cancel_timelock,
|
|
config.bitcoin_punish_timelock,
|
|
redeem_address,
|
|
punish_address,
|
|
);
|
|
|
|
AliceState::Started { amounts, state0 }
|
|
}
|
|
|
|
fn init_alice_event_loop(
|
|
listen: Multiaddr,
|
|
seed: Seed,
|
|
) -> (
|
|
alice::event_loop::EventLoop,
|
|
alice::event_loop::EventLoopHandle,
|
|
) {
|
|
let alice_behaviour = alice::Behaviour::new(network::Seed::new(seed));
|
|
let alice_transport = build(alice_behaviour.identity()).unwrap();
|
|
alice::event_loop::EventLoop::new(alice_transport, alice_behaviour, listen).unwrap()
|
|
}
|
|
|
|
async fn init_bob_state(
|
|
btc_to_swap: bitcoin::Amount,
|
|
xmr_to_swap: monero::Amount,
|
|
bob_btc_wallet: Arc<bitcoin::Wallet>,
|
|
config: Config,
|
|
) -> BobState {
|
|
let amounts = SwapAmounts {
|
|
btc: btc_to_swap,
|
|
xmr: xmr_to_swap,
|
|
};
|
|
|
|
let refund_address = bob_btc_wallet.new_address().await.unwrap();
|
|
let state0 = bob::State0::new(
|
|
&mut OsRng,
|
|
btc_to_swap,
|
|
xmr_to_swap,
|
|
config.bitcoin_cancel_timelock,
|
|
config.bitcoin_punish_timelock,
|
|
refund_address,
|
|
config.monero_finality_confirmations,
|
|
);
|
|
|
|
BobState::Started { state0, amounts }
|
|
}
|
|
|
|
fn init_bob_event_loop(
|
|
alice_peer_id: PeerId,
|
|
alice_addr: Multiaddr,
|
|
) -> (bob::event_loop::EventLoop, bob::event_loop::EventLoopHandle) {
|
|
let seed = Seed::random().unwrap();
|
|
let bob_behaviour = bob::Behaviour::new(network::Seed::new(seed));
|
|
let bob_transport = build(bob_behaviour.identity()).unwrap();
|
|
bob::event_loop::EventLoop::new(bob_transport, bob_behaviour, alice_peer_id, alice_addr)
|
|
.unwrap()
|
|
}
|
|
|
|
// This is just to keep the containers alive
|
|
#[allow(dead_code)]
|
|
struct Containers<'a> {
|
|
bitcoind: Bitcoind<'a>,
|
|
monerods: Vec<Container<'a, Cli, image::Monero>>,
|
|
}
|
|
|
|
/// Utility function to initialize logging in the test environment.
|
|
/// Note that you have to keep the `_guard` in scope after calling in test:
|
|
///
|
|
/// ```rust
|
|
/// let _guard = init_tracing();
|
|
/// ```
|
|
fn init_tracing() -> DefaultGuard {
|
|
// converts all log records into tracing events
|
|
// Note: Make sure to initialize without unwrapping, otherwise this causes
|
|
// trouble when running multiple tests.
|
|
let _ = LogTracer::init();
|
|
|
|
let global_filter = tracing::Level::WARN;
|
|
let swap_filter = tracing::Level::DEBUG;
|
|
let xmr_btc_filter = tracing::Level::DEBUG;
|
|
let monero_harness_filter = tracing::Level::INFO;
|
|
let bitcoin_harness_filter = tracing::Level::INFO;
|
|
|
|
use tracing_subscriber::util::SubscriberInitExt as _;
|
|
tracing_subscriber::fmt()
|
|
.with_env_filter(format!(
|
|
"{},swap={},xmr_btc={},monero_harness={},bitcoin_harness={}",
|
|
global_filter,
|
|
swap_filter,
|
|
xmr_btc_filter,
|
|
monero_harness_filter,
|
|
bitcoin_harness_filter,
|
|
))
|
|
.set_default()
|
|
}
|