mirror of
https://github.com/comit-network/xmr-btc-swap.git
synced 2024-08-21 09:45:37 +00:00
747 lines
22 KiB
Rust
747 lines
22 KiB
Rust
mod bitcoind;
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mod electrs;
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use crate::testutils;
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use anyhow::{Context, Result};
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use bitcoin_harness::{BitcoindRpcApi, Client};
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use futures::{future::RemoteHandle, 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 std::{
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path::{Path, PathBuf},
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sync::Arc,
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time::Duration,
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};
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use swap::{
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bitcoin,
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bitcoin::{CancelTimelock, PunishTimelock},
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database::Database,
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execution_params,
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execution_params::{ExecutionParams, GetExecutionParams},
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monero,
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protocol::{
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alice,
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alice::{event_loop::RATE, AliceState},
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bob,
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bob::BobState,
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},
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seed::Seed,
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};
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use tempfile::tempdir;
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use testcontainers::{clients::Cli, Container, Docker, RunArgs};
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use tokio::{sync::mpsc, task::JoinHandle, time::sleep};
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use tracing_core::dispatcher::DefaultGuard;
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use tracing_log::LogTracer;
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use url::Url;
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use uuid::Uuid;
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const TEST_WALLET_NAME: &str = "testwallet";
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#[derive(Debug, Clone)]
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pub 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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#[derive(Clone)]
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struct BobParams {
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seed: Seed,
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db_path: PathBuf,
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swap_id: Uuid,
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bitcoin_wallet: Arc<bitcoin::Wallet>,
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monero_wallet: Arc<monero::Wallet>,
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alice_address: Multiaddr,
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alice_peer_id: PeerId,
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execution_params: ExecutionParams,
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}
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impl BobParams {
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pub fn builder(&self) -> bob::Builder {
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bob::Builder::new(
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self.seed,
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Database::open(&self.db_path.clone().as_path()).unwrap(),
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self.swap_id,
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self.bitcoin_wallet.clone(),
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self.monero_wallet.clone(),
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self.alice_address.clone(),
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self.alice_peer_id,
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self.execution_params,
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)
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}
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}
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pub struct BobEventLoopJoinHandle(JoinHandle<()>);
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impl BobEventLoopJoinHandle {
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pub fn abort(&self) {
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self.0.abort()
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}
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}
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pub struct AliceEventLoopJoinHandle(JoinHandle<()>);
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pub struct TestContext {
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btc_amount: bitcoin::Amount,
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xmr_amount: monero::Amount,
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alice_starting_balances: StartingBalances,
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alice_bitcoin_wallet: Arc<bitcoin::Wallet>,
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alice_monero_wallet: Arc<monero::Wallet>,
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alice_swap_handle: mpsc::Receiver<RemoteHandle<anyhow::Result<AliceState>>>,
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bob_params: BobParams,
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bob_starting_balances: StartingBalances,
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bob_bitcoin_wallet: Arc<bitcoin::Wallet>,
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bob_monero_wallet: Arc<monero::Wallet>,
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}
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impl TestContext {
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pub async fn new_swap_as_bob(&mut self) -> (bob::Swap, BobEventLoopJoinHandle) {
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let (swap, event_loop) = self
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.bob_params
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.builder()
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.with_init_params(self.btc_amount)
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.build()
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.await
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.unwrap();
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let join_handle = tokio::spawn(async move { event_loop.run().await });
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(swap, BobEventLoopJoinHandle(join_handle))
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}
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pub async fn stop_and_resume_bob_from_db(
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&mut self,
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join_handle: BobEventLoopJoinHandle,
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) -> (bob::Swap, BobEventLoopJoinHandle) {
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join_handle.abort();
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let (swap, event_loop) = self.bob_params.builder().build().await.unwrap();
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let join_handle = tokio::spawn(async move { event_loop.run().await });
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(swap, BobEventLoopJoinHandle(join_handle))
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}
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pub async fn assert_alice_redeemed(&mut self) {
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let swap_handle = self.alice_swap_handle.recv().await.unwrap();
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let state = swap_handle.await.unwrap();
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assert!(matches!(state, AliceState::BtcRedeemed));
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self.alice_bitcoin_wallet
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.sync_wallet()
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.await
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.expect("Could not sync wallet");
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let btc_balance_after_swap = self.alice_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.alice_starting_balances.btc + self.btc_amount
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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
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.alice_monero_wallet
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.as_ref()
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.get_balance()
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.await
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.unwrap();
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assert!(xmr_balance_after_swap <= self.alice_starting_balances.xmr - self.xmr_amount);
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}
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pub async fn assert_alice_refunded(&mut self) {
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let swap_handle = self.alice_swap_handle.recv().await.unwrap();
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let state = swap_handle.await.unwrap();
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assert!(matches!(state, AliceState::XmrRefunded));
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self.alice_bitcoin_wallet
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.sync_wallet()
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.await
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.expect("Could not sync wallet");
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let btc_balance_after_swap = self.alice_bitcoin_wallet.as_ref().balance().await.unwrap();
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assert_eq!(btc_balance_after_swap, self.alice_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.alice_monero_wallet
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.as_ref()
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.inner
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.refresh()
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.await
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.unwrap();
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let xmr_balance_after_swap = self
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.alice_monero_wallet
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.as_ref()
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.get_balance()
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.await
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.unwrap();
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assert_eq!(xmr_balance_after_swap, self.xmr_amount);
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}
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pub async fn assert_alice_punished(&self, state: AliceState) {
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assert!(matches!(state, AliceState::BtcPunished));
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self.alice_bitcoin_wallet
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.sync_wallet()
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.await
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.expect("Could not sync wallet");
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let btc_balance_after_swap = self.alice_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.alice_starting_balances.btc + self.btc_amount
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- bitcoin::Amount::from_sat(2 * bitcoin::TX_FEE)
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);
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let xmr_balance_after_swap = self
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.alice_monero_wallet
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.as_ref()
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.get_balance()
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.await
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.unwrap();
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assert!(xmr_balance_after_swap <= self.alice_starting_balances.xmr - self.xmr_amount);
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}
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pub async fn assert_bob_redeemed(&self, state: BobState) {
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self.bob_bitcoin_wallet
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.sync_wallet()
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.await
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.expect("Could not sync wallet");
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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 not in xmr redeemed state: {:?}", state);
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};
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let lock_tx_bitcoin_fee = self
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.bob_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.bob_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.bob_starting_balances.btc - self.btc_amount - 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.bob_monero_wallet
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.as_ref()
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.inner
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.refresh()
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.await
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.unwrap();
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let xmr_balance_after_swap = self.bob_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.bob_starting_balances.xmr + self.xmr_amount
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);
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}
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pub async fn assert_bob_refunded(&self, state: BobState) {
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self.bob_bitcoin_wallet
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.sync_wallet()
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.await
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.expect("Could not sync wallet");
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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 not in btc refunded state: {:?}", state);
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};
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let lock_tx_bitcoin_fee = self
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.bob_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.bob_bitcoin_wallet.as_ref().balance().await.unwrap();
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let alice_submitted_cancel = btc_balance_after_swap
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== self.bob_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.bob_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.bob_monero_wallet.as_ref().get_balance().await.unwrap();
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assert_eq!(xmr_balance_after_swap, self.bob_starting_balances.xmr);
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}
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pub async fn assert_bob_punished(&self, state: BobState) {
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self.bob_bitcoin_wallet
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.sync_wallet()
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.await
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.expect("Could not sync wallet");
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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 not in btc punished state: {:?}", state);
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};
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let lock_tx_bitcoin_fee = self
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.bob_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.bob_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.bob_starting_balances.btc - self.btc_amount - lock_tx_bitcoin_fee
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);
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let xmr_balance_after_swap = self.bob_monero_wallet.as_ref().get_balance().await.unwrap();
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assert_eq!(xmr_balance_after_swap, self.bob_starting_balances.xmr);
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}
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}
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pub async fn setup_test<T, F, C>(_config: C, testfn: T)
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where
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T: Fn(TestContext) -> F,
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F: Future<Output = ()>,
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C: GetExecutionParams,
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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 execution_params = C::get_execution_params();
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let (monero, containers) = testutils::init_containers(&cli).await;
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let btc_amount = bitcoin::Amount::from_sat(1_000_000);
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let xmr_amount = monero::Amount::from_monero(btc_amount.as_btc() * RATE as f64).unwrap();
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let alice_starting_balances = StartingBalances {
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xmr: xmr_amount * 10,
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btc: bitcoin::Amount::ZERO,
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};
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let port = get_port().expect("Failed to find a free port");
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let alice_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 electrs_rpc_port = containers
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.electrs
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.get_host_port(testutils::electrs::RPC_PORT)
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.expect("Could not map electrs rpc port");
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let electrs_http_port = containers
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.electrs
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.get_host_port(testutils::electrs::HTTP_PORT)
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.expect("Could not map electrs http port");
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let alice_seed = Seed::random().unwrap();
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let bob_seed = Seed::random().unwrap();
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let (alice_bitcoin_wallet, alice_monero_wallet) = init_test_wallets(
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"alice",
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containers.bitcoind_url.clone(),
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&monero,
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alice_starting_balances.clone(),
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tempdir().unwrap().path(),
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electrs_rpc_port,
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electrs_http_port,
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alice_seed,
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)
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.await;
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let db_path = tempdir().unwrap();
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let alice_db = Arc::new(Database::open(db_path.path()).unwrap());
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let alice_seed = Seed::random().unwrap();
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let bob_starting_balances = StartingBalances {
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xmr: monero::Amount::ZERO,
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btc: btc_amount * 10,
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};
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let (bob_bitcoin_wallet, bob_monero_wallet) = init_test_wallets(
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"bob",
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containers.bitcoind_url,
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&monero,
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bob_starting_balances.clone(),
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tempdir().unwrap().path(),
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electrs_rpc_port,
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electrs_http_port,
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bob_seed,
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)
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.await;
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let (mut alice_event_loop, alice_swap_handle) = alice::EventLoop::new(
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alice_listen_address.clone(),
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alice_seed,
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execution_params,
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alice_bitcoin_wallet.clone(),
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alice_monero_wallet.clone(),
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alice_db,
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)
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.unwrap();
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let alice_peer_id = alice_event_loop.peer_id();
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tokio::spawn(async move {
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alice_event_loop.run().await;
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});
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let bob_params = BobParams {
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seed: Seed::random().unwrap(),
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db_path: tempdir().unwrap().path().to_path_buf(),
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swap_id: Uuid::new_v4(),
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bitcoin_wallet: bob_bitcoin_wallet.clone(),
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monero_wallet: bob_monero_wallet.clone(),
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alice_address: alice_listen_address,
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alice_peer_id,
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execution_params,
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};
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let test = TestContext {
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btc_amount,
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xmr_amount,
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alice_starting_balances,
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alice_bitcoin_wallet,
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alice_monero_wallet,
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alice_swap_handle,
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bob_params,
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bob_starting_balances,
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bob_bitcoin_wallet,
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bob_monero_wallet,
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};
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testfn(test).await;
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}
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|
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fn random_prefix() -> String {
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use rand::{distributions::Alphanumeric, thread_rng, Rng};
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use std::iter;
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const LEN: usize = 8;
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let mut rng = thread_rng();
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let chars: String = iter::repeat(())
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.map(|()| rng.sample(Alphanumeric))
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.map(char::from)
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.take(LEN)
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.collect();
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chars
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}
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|
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async fn init_containers(cli: &Cli) -> (Monero, Containers<'_>) {
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let prefix = random_prefix();
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let bitcoind_name = format!("{}_{}", prefix, "bitcoind");
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let (bitcoind, bitcoind_url) =
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init_bitcoind_container(&cli, prefix.clone(), bitcoind_name.clone(), prefix.clone())
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.await
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.expect("could not init bitcoind");
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let electrs = init_electrs_container(&cli, prefix.clone(), bitcoind_name, prefix)
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.await
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.expect("could not init electrs");
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let (monero, monerods) = init_monero_container(&cli).await;
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(monero, Containers {
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bitcoind_url,
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bitcoind,
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monerods,
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electrs,
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})
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}
|
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|
|
async fn init_bitcoind_container(
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cli: &Cli,
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volume: String,
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name: String,
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network: String,
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) -> Result<(Container<'_, Cli, bitcoind::Bitcoind>, Url)> {
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let image = bitcoind::Bitcoind::default()
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.with_volume(volume)
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.with_tag("0.19.1");
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let run_args = RunArgs::default().with_name(name).with_network(network);
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let docker = cli.run_with_args(image, run_args);
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let a = docker
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.get_host_port(testutils::bitcoind::RPC_PORT)
|
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.context("Could not map bitcoind rpc port")?;
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|
|
let bitcoind_url = {
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let input = format!(
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"http://{}:{}@localhost:{}",
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bitcoind::RPC_USER,
|
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bitcoind::RPC_PASSWORD,
|
|
a
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);
|
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Url::parse(&input).unwrap()
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};
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|
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init_bitcoind(bitcoind_url.clone(), 5).await?;
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|
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Ok((docker, bitcoind_url.clone()))
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}
|
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|
|
pub async fn init_electrs_container(
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cli: &Cli,
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volume: String,
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bitcoind_container_name: String,
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network: String,
|
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) -> Result<Container<'_, Cli, electrs::Electrs>> {
|
|
let bitcoind_rpc_addr = format!(
|
|
"{}:{}",
|
|
bitcoind_container_name,
|
|
testutils::bitcoind::RPC_PORT
|
|
);
|
|
let image = electrs::Electrs::default()
|
|
.with_volume(volume)
|
|
.with_daemon_rpc_addr(bitcoind_rpc_addr)
|
|
.with_tag("latest");
|
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|
|
let run_args = RunArgs::default().with_network(network);
|
|
|
|
let docker = cli.run_with_args(image, run_args);
|
|
|
|
Ok(docker)
|
|
}
|
|
|
|
async fn mine(bitcoind_client: Client, reward_address: bitcoin::Address) -> Result<()> {
|
|
loop {
|
|
tokio::time::sleep(Duration::from_secs(1)).await;
|
|
bitcoind_client
|
|
.generatetoaddress(1, reward_address.clone(), None)
|
|
.await?;
|
|
}
|
|
}
|
|
|
|
async fn init_bitcoind(node_url: Url, spendable_quantity: u32) -> Result<Client> {
|
|
let bitcoind_client = Client::new(node_url.clone());
|
|
|
|
bitcoind_client
|
|
.createwallet(TEST_WALLET_NAME, None, None, None, None)
|
|
.await?;
|
|
|
|
let reward_address = bitcoind_client
|
|
.with_wallet(TEST_WALLET_NAME)?
|
|
.getnewaddress(None, None)
|
|
.await?;
|
|
|
|
bitcoind_client
|
|
.generatetoaddress(101 + spendable_quantity, reward_address.clone(), None)
|
|
.await?;
|
|
let _ = tokio::spawn(mine(bitcoind_client.clone(), reward_address));
|
|
Ok(bitcoind_client)
|
|
}
|
|
|
|
/// Send Bitcoin to the specified address, limited to the spendable bitcoin
|
|
/// quantity.
|
|
pub async fn mint(node_url: Url, address: bitcoin::Address, amount: bitcoin::Amount) -> Result<()> {
|
|
let bitcoind_client = Client::new(node_url.clone());
|
|
|
|
bitcoind_client
|
|
.send_to_address(TEST_WALLET_NAME, address.clone(), amount)
|
|
.await?;
|
|
|
|
// Confirm the transaction
|
|
let reward_address = bitcoind_client
|
|
.with_wallet(TEST_WALLET_NAME)?
|
|
.getnewaddress(None, None)
|
|
.await?;
|
|
bitcoind_client
|
|
.generatetoaddress(1, reward_address, None)
|
|
.await?;
|
|
|
|
Ok(())
|
|
}
|
|
|
|
async fn init_monero_container(
|
|
cli: &Cli,
|
|
) -> (
|
|
Monero,
|
|
Vec<Container<'_, Cli, monero_harness::image::Monero>>,
|
|
) {
|
|
let (monero, monerods) = Monero::new(&cli, None, vec!["alice".to_string(), "bob".to_string()])
|
|
.await
|
|
.unwrap();
|
|
|
|
(monero, monerods)
|
|
}
|
|
|
|
#[allow(clippy::too_many_arguments)]
|
|
async fn init_test_wallets(
|
|
name: &str,
|
|
bitcoind_url: Url,
|
|
monero: &Monero,
|
|
starting_balances: StartingBalances,
|
|
datadir: &Path,
|
|
electrum_rpc_port: u16,
|
|
electrum_http_port: u16,
|
|
seed: Seed,
|
|
) -> (Arc<bitcoin::Wallet>, Arc<monero::Wallet>) {
|
|
monero
|
|
.init(vec![(name, starting_balances.xmr.as_piconero())])
|
|
.await
|
|
.unwrap();
|
|
|
|
let xmr_wallet = swap::monero::Wallet {
|
|
inner: monero.wallet(name).unwrap().client(),
|
|
network: monero::Network::default(),
|
|
};
|
|
|
|
let electrum_rpc_url = {
|
|
let input = format!("tcp://@localhost:{}", electrum_rpc_port);
|
|
Url::parse(&input).unwrap()
|
|
};
|
|
let electrum_http_url = {
|
|
let input = format!("http://@localhost:{}", electrum_http_port);
|
|
Url::parse(&input).unwrap()
|
|
};
|
|
|
|
let btc_wallet = swap::bitcoin::Wallet::new(
|
|
electrum_rpc_url,
|
|
electrum_http_url,
|
|
bitcoin::Network::Regtest,
|
|
datadir,
|
|
seed.extended_private_key(bitcoin::Network::Regtest)
|
|
.expect("Could not create extended private key from seed")
|
|
.private_key,
|
|
)
|
|
.await
|
|
.expect("could not init btc wallet");
|
|
|
|
if starting_balances.btc != bitcoin::Amount::ZERO {
|
|
mint(
|
|
bitcoind_url,
|
|
btc_wallet.new_address().await.unwrap(),
|
|
starting_balances.btc,
|
|
)
|
|
.await
|
|
.expect("could not mint btc starting balance");
|
|
}
|
|
|
|
sleep(Duration::from_secs(5)).await;
|
|
|
|
btc_wallet
|
|
.sync_wallet()
|
|
.await
|
|
.expect("Could not sync btc wallet");
|
|
|
|
(Arc::new(btc_wallet), Arc::new(xmr_wallet))
|
|
}
|
|
|
|
// This is just to keep the containers alive
|
|
#[allow(dead_code)]
|
|
struct Containers<'a> {
|
|
bitcoind_url: Url,
|
|
bitcoind: Container<'a, Cli, bitcoind::Bitcoind>,
|
|
monerods: Vec<Container<'a, Cli, image::Monero>>,
|
|
electrs: Container<'a, Cli, electrs::Electrs>,
|
|
}
|
|
|
|
/// 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();
|
|
/// ```
|
|
pub 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;
|
|
let testcontainers_filter = tracing::Level::DEBUG;
|
|
|
|
use tracing_subscriber::util::SubscriberInitExt as _;
|
|
tracing_subscriber::fmt()
|
|
.with_env_filter(format!(
|
|
"{},swap={},xmr_btc={},monero_harness={},bitcoin_harness={},testcontainers={}",
|
|
global_filter,
|
|
swap_filter,
|
|
xmr_btc_filter,
|
|
monero_harness_filter,
|
|
bitcoin_harness_filter,
|
|
testcontainers_filter
|
|
))
|
|
.set_default()
|
|
}
|
|
|
|
pub mod alice_run_until {
|
|
use swap::protocol::alice::AliceState;
|
|
|
|
pub fn is_xmr_locked(state: &AliceState) -> bool {
|
|
matches!(state, AliceState::XmrLocked { .. })
|
|
}
|
|
|
|
pub fn is_encsig_learned(state: &AliceState) -> bool {
|
|
matches!(state, AliceState::EncSigLearned { .. })
|
|
}
|
|
}
|
|
|
|
pub mod bob_run_until {
|
|
use swap::protocol::bob::BobState;
|
|
|
|
pub fn is_btc_locked(state: &BobState) -> bool {
|
|
matches!(state, BobState::BtcLocked(..))
|
|
}
|
|
|
|
pub fn is_lock_proof_received(state: &BobState) -> bool {
|
|
matches!(state, BobState::XmrLockProofReceived { .. })
|
|
}
|
|
|
|
pub fn is_xmr_locked(state: &BobState) -> bool {
|
|
matches!(state, BobState::XmrLocked(..))
|
|
}
|
|
|
|
pub fn is_encsig_sent(state: &BobState) -> bool {
|
|
matches!(state, BobState::EncSigSent(..))
|
|
}
|
|
}
|
|
|
|
pub struct SlowCancelConfig;
|
|
|
|
impl GetExecutionParams for SlowCancelConfig {
|
|
fn get_execution_params() -> ExecutionParams {
|
|
ExecutionParams {
|
|
bitcoin_cancel_timelock: CancelTimelock::new(180),
|
|
..execution_params::Regtest::get_execution_params()
|
|
}
|
|
}
|
|
}
|
|
|
|
pub struct FastCancelConfig;
|
|
|
|
impl GetExecutionParams for FastCancelConfig {
|
|
fn get_execution_params() -> ExecutionParams {
|
|
ExecutionParams {
|
|
bitcoin_cancel_timelock: CancelTimelock::new(1),
|
|
..execution_params::Regtest::get_execution_params()
|
|
}
|
|
}
|
|
}
|
|
|
|
pub struct FastPunishConfig;
|
|
|
|
impl GetExecutionParams for FastPunishConfig {
|
|
fn get_execution_params() -> ExecutionParams {
|
|
ExecutionParams {
|
|
bitcoin_cancel_timelock: CancelTimelock::new(1),
|
|
bitcoin_punish_timelock: PunishTimelock::new(1),
|
|
..execution_params::Regtest::get_execution_params()
|
|
}
|
|
}
|
|
}
|