xmr-btc-swap/swap/tests/harness/mod.rs
2023-03-15 14:19:57 +02:00

1029 lines
29 KiB
Rust

mod bitcoind;
mod electrs;
use anyhow::{bail, Context, Result};
use async_trait::async_trait;
use bitcoin_harness::{BitcoindRpcApi, Client};
use futures::Future;
use get_port::get_port;
use libp2p::core::Multiaddr;
use libp2p::PeerId;
use monero_harness::{image, Monero};
use std::cmp::Ordering;
use std::fmt;
use std::path::{Path, PathBuf};
use std::sync::Arc;
use std::time::Duration;
use swap::asb::FixedRate;
use swap::bitcoin::{CancelTimelock, PunishTimelock, TxCancel, TxPunish, TxRedeem, TxRefund};
use swap::database::SqliteDatabase;
use swap::env::{Config, GetConfig};
use swap::fs::ensure_directory_exists;
use swap::network::rendezvous::XmrBtcNamespace;
use swap::network::swarm;
use swap::protocol::alice::{AliceState, Swap};
use swap::protocol::bob::BobState;
use swap::protocol::{alice, bob};
use swap::seed::Seed;
use swap::{asb, bitcoin, cli, env, monero};
use tempfile::{tempdir, NamedTempFile};
use testcontainers::clients::Cli;
use testcontainers::{Container, Docker, RunArgs};
use tokio::sync::mpsc;
use tokio::sync::mpsc::Receiver;
use tokio::task::JoinHandle;
use tokio::time::{interval, timeout};
use tracing_subscriber::util::SubscriberInitExt;
use url::Url;
use uuid::Uuid;
pub async fn setup_test<T, F, C>(_config: C, testfn: T)
where
T: Fn(TestContext) -> F,
F: Future<Output = Result<()>>,
C: GetConfig,
{
let cli = Cli::default();
let _guard = tracing_subscriber::fmt()
.with_env_filter("warn,swap=debug,monero_harness=debug,monero_rpc=debug,bitcoin_harness=info,testcontainers=info") // add `reqwest::connect::verbose=trace` if you want to logs of the RPC clients
.with_test_writer()
.set_default();
let env_config = C::get_config();
let (monero, containers) = init_containers(&cli).await;
monero.init_miner().await.unwrap();
let btc_amount = bitcoin::Amount::from_sat(1_000_000);
let xmr_amount = monero::Amount::from_monero(btc_amount.to_btc() / FixedRate::RATE).unwrap();
let alice_starting_balances =
StartingBalances::new(bitcoin::Amount::ZERO, xmr_amount, Some(10));
let electrs_rpc_port = containers
.electrs
.get_host_port(electrs::RPC_PORT)
.expect("Could not map electrs rpc port");
let alice_seed = Seed::random().unwrap();
let (alice_bitcoin_wallet, alice_monero_wallet) = init_test_wallets(
MONERO_WALLET_NAME_ALICE,
containers.bitcoind_url.clone(),
&monero,
alice_starting_balances.clone(),
tempdir().unwrap().path(),
electrs_rpc_port,
&alice_seed,
env_config,
)
.await;
let alice_listen_port = get_port().expect("Failed to find a free port");
let alice_listen_address: Multiaddr = format!("/ip4/127.0.0.1/tcp/{}", alice_listen_port)
.parse()
.expect("failed to parse Alice's address");
let alice_db_path = NamedTempFile::new().unwrap().path().to_path_buf();
let (alice_handle, alice_swap_handle) = start_alice(
&alice_seed,
alice_db_path.clone(),
alice_listen_address.clone(),
env_config,
alice_bitcoin_wallet.clone(),
alice_monero_wallet.clone(),
)
.await;
let bob_seed = Seed::random().unwrap();
let bob_starting_balances = StartingBalances::new(btc_amount * 10, monero::Amount::ZERO, None);
let (bob_bitcoin_wallet, bob_monero_wallet) = init_test_wallets(
MONERO_WALLET_NAME_BOB,
containers.bitcoind_url,
&monero,
bob_starting_balances.clone(),
tempdir().unwrap().path(),
electrs_rpc_port,
&bob_seed,
env_config,
)
.await;
let bob_params = BobParams {
seed: Seed::random().unwrap(),
db_path: NamedTempFile::new().unwrap().path().to_path_buf(),
bitcoin_wallet: bob_bitcoin_wallet.clone(),
monero_wallet: bob_monero_wallet.clone(),
alice_address: alice_listen_address.clone(),
alice_peer_id: alice_handle.peer_id,
env_config,
};
monero.start_miner().await.unwrap();
let test = TestContext {
env_config,
btc_amount,
xmr_amount,
alice_seed,
alice_db_path,
alice_listen_address,
alice_starting_balances,
alice_bitcoin_wallet,
alice_monero_wallet,
alice_swap_handle,
alice_handle,
bob_params,
bob_starting_balances,
bob_bitcoin_wallet,
bob_monero_wallet,
};
testfn(test).await.unwrap()
}
async fn init_containers(cli: &Cli) -> (Monero, Containers<'_>) {
let prefix = random_prefix();
let bitcoind_name = format!("{}_{}", prefix, "bitcoind");
let (bitcoind, bitcoind_url) =
init_bitcoind_container(cli, prefix.clone(), bitcoind_name.clone(), prefix.clone())
.await
.expect("could not init bitcoind");
let electrs = init_electrs_container(cli, prefix.clone(), bitcoind_name, prefix)
.await
.expect("could not init electrs");
let (monero, monerod_container, monero_wallet_rpc_containers) =
Monero::new(cli, vec![MONERO_WALLET_NAME_ALICE, MONERO_WALLET_NAME_BOB])
.await
.unwrap();
(
monero,
Containers {
bitcoind_url,
bitcoind,
monerod_container,
monero_wallet_rpc_containers,
electrs,
},
)
}
async fn init_bitcoind_container(
cli: &Cli,
volume: String,
name: String,
network: String,
) -> Result<(Container<'_, Cli, bitcoind::Bitcoind>, Url)> {
let image = bitcoind::Bitcoind::default().with_volume(volume);
let run_args = RunArgs::default().with_name(name).with_network(network);
let docker = cli.run_with_args(image, run_args);
let a = docker
.get_host_port(bitcoind::RPC_PORT)
.context("Could not map bitcoind rpc port")?;
let bitcoind_url = {
let input = format!(
"http://{}:{}@localhost:{}",
bitcoind::RPC_USER,
bitcoind::RPC_PASSWORD,
a
);
Url::parse(&input).unwrap()
};
init_bitcoind(bitcoind_url.clone(), 5).await?;
Ok((docker, bitcoind_url.clone()))
}
pub async fn init_electrs_container(
cli: &Cli,
volume: String,
bitcoind_container_name: String,
network: String,
) -> Result<Container<'_, Cli, electrs::Electrs>> {
let bitcoind_rpc_addr = format!("{}:{}", bitcoind_container_name, bitcoind::RPC_PORT);
let image = electrs::Electrs::default()
.with_volume(volume)
.with_daemon_rpc_addr(bitcoind_rpc_addr)
.with_tag("latest");
let run_args = RunArgs::default().with_network(network);
let docker = cli.run_with_args(image, run_args);
Ok(docker)
}
async fn start_alice(
seed: &Seed,
db_path: PathBuf,
listen_address: Multiaddr,
env_config: Config,
bitcoin_wallet: Arc<bitcoin::Wallet>,
monero_wallet: Arc<monero::Wallet>,
) -> (AliceApplicationHandle, Receiver<alice::Swap>) {
if let Some(parent_dir) = db_path.parent() {
ensure_directory_exists(parent_dir).unwrap();
}
if !&db_path.exists() {
tokio::fs::File::create(&db_path).await.unwrap();
}
let db = Arc::new(SqliteDatabase::open(db_path.as_path()).await.unwrap());
let min_buy = bitcoin::Amount::from_sat(u64::MIN);
let max_buy = bitcoin::Amount::from_sat(u64::MAX);
let latest_rate = FixedRate::default();
let resume_only = false;
let mut swarm = swarm::asb(
seed,
min_buy,
max_buy,
latest_rate,
resume_only,
env_config,
XmrBtcNamespace::Testnet,
None,
)
.unwrap();
swarm.listen_on(listen_address).unwrap();
let (event_loop, swap_handle) = asb::EventLoop::new(
swarm,
env_config,
bitcoin_wallet,
monero_wallet,
db,
FixedRate::default(),
min_buy,
max_buy,
None,
)
.unwrap();
let peer_id = event_loop.peer_id();
let handle = tokio::spawn(event_loop.run());
(AliceApplicationHandle { handle, peer_id }, swap_handle)
}
#[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,
seed: &Seed,
env_config: Config,
) -> (Arc<bitcoin::Wallet>, Arc<monero::Wallet>) {
monero
.init_wallet(
name,
starting_balances
.xmr_outputs
.into_iter()
.map(|amount| amount.as_piconero())
.collect(),
)
.await
.unwrap();
let xmr_wallet = swap::monero::Wallet::connect(
monero.wallet(name).unwrap().client().clone(),
name.to_string(),
env_config,
)
.await
.unwrap();
let electrum_rpc_url = {
let input = format!("tcp://@localhost:{}", electrum_rpc_port);
Url::parse(&input).unwrap()
};
let btc_wallet = swap::bitcoin::Wallet::new(
electrum_rpc_url,
datadir,
seed.derive_extended_private_key(env_config.bitcoin_network)
.expect("Could not create extended private key from seed"),
env_config,
1,
)
.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");
let mut interval = interval(Duration::from_secs(1u64));
let mut retries = 0u8;
let max_retries = 30u8;
loop {
retries += 1;
btc_wallet.sync().await.unwrap();
let btc_balance = btc_wallet.balance().await.unwrap();
if btc_balance == starting_balances.btc {
break;
} else if retries == max_retries {
panic!(
"Bitcoin wallet initialization failed, reached max retries upon balance sync"
)
}
interval.tick().await;
}
}
(Arc::new(btc_wallet), Arc::new(xmr_wallet))
}
const MONERO_WALLET_NAME_BOB: &str = "bob";
const MONERO_WALLET_NAME_ALICE: &str = "alice";
const BITCOIN_TEST_WALLET_NAME: &str = "testwallet";
#[derive(Debug, Clone)]
pub struct StartingBalances {
pub xmr: monero::Amount,
pub xmr_outputs: Vec<monero::Amount>,
pub btc: bitcoin::Amount,
}
impl StartingBalances {
/// If monero_outputs is specified the monero balance will be:
/// monero_outputs * new_xmr = self_xmr
pub fn new(btc: bitcoin::Amount, xmr: monero::Amount, monero_outputs: Option<u64>) -> Self {
match monero_outputs {
None => {
if xmr == monero::Amount::ZERO {
return Self {
xmr,
xmr_outputs: vec![],
btc,
};
}
Self {
xmr,
xmr_outputs: vec![xmr],
btc,
}
}
Some(outputs) => {
let mut xmr_outputs = Vec::new();
let mut sum_xmr = monero::Amount::ZERO;
for _ in 0..outputs {
xmr_outputs.push(xmr);
sum_xmr = sum_xmr + xmr;
}
Self {
xmr: sum_xmr,
xmr_outputs,
btc,
}
}
}
}
}
struct BobParams {
seed: Seed,
db_path: PathBuf,
bitcoin_wallet: Arc<bitcoin::Wallet>,
monero_wallet: Arc<monero::Wallet>,
alice_address: Multiaddr,
alice_peer_id: PeerId,
env_config: Config,
}
impl BobParams {
pub async fn new_swap_from_db(&self, swap_id: Uuid) -> Result<(bob::Swap, cli::EventLoop)> {
let (event_loop, handle) = self.new_eventloop(swap_id).await?;
if let Some(parent_dir) = self.db_path.parent() {
ensure_directory_exists(parent_dir)?;
}
if !self.db_path.exists() {
tokio::fs::File::create(&self.db_path).await?;
}
let db = Arc::new(SqliteDatabase::open(&self.db_path).await?);
let swap = bob::Swap::from_db(
db,
swap_id,
self.bitcoin_wallet.clone(),
self.monero_wallet.clone(),
self.env_config,
handle,
self.monero_wallet.get_main_address(),
)
.await?;
Ok((swap, event_loop))
}
pub async fn new_swap(
&self,
btc_amount: bitcoin::Amount,
) -> Result<(bob::Swap, cli::EventLoop)> {
let swap_id = Uuid::new_v4();
let (event_loop, handle) = self.new_eventloop(swap_id).await?;
if let Some(parent_dir) = self.db_path.parent() {
ensure_directory_exists(parent_dir)?;
}
if !self.db_path.exists() {
tokio::fs::File::create(&self.db_path).await?;
}
let db = Arc::new(SqliteDatabase::open(&self.db_path).await?);
let swap = bob::Swap::new(
db,
swap_id,
self.bitcoin_wallet.clone(),
self.monero_wallet.clone(),
self.env_config,
handle,
self.monero_wallet.get_main_address(),
self.bitcoin_wallet.new_address().await?,
btc_amount,
);
Ok((swap, event_loop))
}
pub async fn new_eventloop(
&self,
swap_id: Uuid,
) -> Result<(cli::EventLoop, cli::EventLoopHandle)> {
let tor_socks5_port = get_port()
.expect("We don't care about Tor in the tests so we get a free port to disable it.");
let identity = self.seed.derive_libp2p_identity();
let behaviour = cli::Behaviour::new(
self.alice_peer_id,
self.env_config,
self.bitcoin_wallet.clone(),
(identity.clone(), XmrBtcNamespace::Testnet),
);
let mut swarm = swarm::cli(identity.clone(), tor_socks5_port, behaviour).await?;
swarm
.behaviour_mut()
.add_address(self.alice_peer_id, self.alice_address.clone());
cli::EventLoop::new(swap_id, swarm, self.alice_peer_id)
}
}
pub struct BobApplicationHandle(JoinHandle<()>);
impl BobApplicationHandle {
pub fn abort(&self) {
self.0.abort()
}
}
pub struct AliceApplicationHandle {
handle: JoinHandle<()>,
peer_id: PeerId,
}
impl AliceApplicationHandle {
pub fn abort(&self) {
self.handle.abort()
}
}
pub struct TestContext {
env_config: Config,
btc_amount: bitcoin::Amount,
xmr_amount: monero::Amount,
alice_seed: Seed,
alice_db_path: PathBuf,
alice_listen_address: Multiaddr,
alice_starting_balances: StartingBalances,
alice_bitcoin_wallet: Arc<bitcoin::Wallet>,
alice_monero_wallet: Arc<monero::Wallet>,
alice_swap_handle: mpsc::Receiver<Swap>,
alice_handle: AliceApplicationHandle,
bob_params: BobParams,
bob_starting_balances: StartingBalances,
bob_bitcoin_wallet: Arc<bitcoin::Wallet>,
bob_monero_wallet: Arc<monero::Wallet>,
}
impl TestContext {
pub async fn restart_alice(&mut self) {
self.alice_handle.abort();
let (alice_handle, alice_swap_handle) = start_alice(
&self.alice_seed,
self.alice_db_path.clone(),
self.alice_listen_address.clone(),
self.env_config,
self.alice_bitcoin_wallet.clone(),
self.alice_monero_wallet.clone(),
)
.await;
self.alice_handle = alice_handle;
self.alice_swap_handle = alice_swap_handle;
}
pub async fn alice_next_swap(&mut self) -> alice::Swap {
timeout(Duration::from_secs(20), self.alice_swap_handle.recv())
.await
.expect("No Alice swap within 20 seconds, aborting because this test is likely waiting for a swap forever...")
.unwrap()
}
pub async fn bob_swap(&mut self) -> (bob::Swap, BobApplicationHandle) {
let (swap, event_loop) = self.bob_params.new_swap(self.btc_amount).await.unwrap();
// ensure the wallet is up to date for concurrent swap tests
swap.bitcoin_wallet.sync().await.unwrap();
let join_handle = tokio::spawn(event_loop.run());
(swap, BobApplicationHandle(join_handle))
}
pub async fn stop_and_resume_bob_from_db(
&mut self,
join_handle: BobApplicationHandle,
swap_id: Uuid,
) -> (bob::Swap, BobApplicationHandle) {
join_handle.abort();
let (swap, event_loop) = self.bob_params.new_swap_from_db(swap_id).await.unwrap();
let join_handle = tokio::spawn(event_loop.run());
(swap, BobApplicationHandle(join_handle))
}
pub async fn assert_alice_redeemed(&mut self, state: AliceState) {
assert!(matches!(state, AliceState::BtcRedeemed));
assert_eventual_balance(
self.alice_bitcoin_wallet.as_ref(),
Ordering::Equal,
self.alice_redeemed_btc_balance().await,
)
.await
.unwrap();
assert_eventual_balance(
self.alice_monero_wallet.as_ref(),
Ordering::Less,
self.alice_redeemed_xmr_balance(),
)
.await
.unwrap();
}
pub async fn assert_alice_refunded(&mut self, state: AliceState) {
assert!(matches!(state, AliceState::XmrRefunded));
assert_eventual_balance(
self.alice_bitcoin_wallet.as_ref(),
Ordering::Equal,
self.alice_refunded_btc_balance(),
)
.await
.unwrap();
// Alice pays fees - comparison does not take exact lock fee into account
assert_eventual_balance(
self.alice_monero_wallet.as_ref(),
Ordering::Greater,
self.alice_refunded_xmr_balance(),
)
.await
.unwrap();
}
pub async fn assert_alice_punished(&self, state: AliceState) {
assert!(matches!(state, AliceState::BtcPunished));
assert_eventual_balance(
self.alice_bitcoin_wallet.as_ref(),
Ordering::Equal,
self.alice_punished_btc_balance().await,
)
.await
.unwrap();
assert_eventual_balance(
self.alice_monero_wallet.as_ref(),
Ordering::Less,
self.alice_punished_xmr_balance(),
)
.await
.unwrap();
}
pub async fn assert_bob_redeemed(&self, state: BobState) {
assert_eventual_balance(
self.bob_bitcoin_wallet.as_ref(),
Ordering::Equal,
self.bob_redeemed_btc_balance(state).await.unwrap(),
)
.await
.unwrap();
// unload the generated wallet by opening the original wallet
self.bob_monero_wallet.re_open().await.unwrap();
assert_eventual_balance(
self.bob_monero_wallet.as_ref(),
Ordering::Greater,
self.bob_redeemed_xmr_balance(),
)
.await
.unwrap();
}
pub async fn assert_bob_refunded(&self, state: BobState) {
self.bob_bitcoin_wallet.sync().await.unwrap();
let lock_tx_id = if let BobState::BtcRefunded(state4) = state {
state4.tx_lock_id()
} else {
panic!("Bob in not in btc refunded state: {:?}", state);
};
let lock_tx_bitcoin_fee = self
.bob_bitcoin_wallet
.transaction_fee(lock_tx_id)
.await
.unwrap();
let btc_balance_after_swap = self.bob_bitcoin_wallet.balance().await.unwrap();
let cancel_fee = self
.alice_bitcoin_wallet
.estimate_fee(TxCancel::weight(), self.btc_amount)
.await
.expect("To estimate fee correctly");
let refund_fee = self
.alice_bitcoin_wallet
.estimate_fee(TxRefund::weight(), self.btc_amount)
.await
.expect("To estimate fee correctly");
let bob_cancelled_and_refunded = btc_balance_after_swap
== self.bob_starting_balances.btc - lock_tx_bitcoin_fee - cancel_fee - refund_fee;
assert!(bob_cancelled_and_refunded);
assert_eventual_balance(
self.bob_monero_wallet.as_ref(),
Ordering::Equal,
self.bob_refunded_xmr_balance(),
)
.await
.unwrap();
}
pub async fn assert_bob_punished(&self, state: BobState) {
assert_eventual_balance(
self.bob_bitcoin_wallet.as_ref(),
Ordering::Equal,
self.bob_punished_btc_balance(state).await.unwrap(),
)
.await
.unwrap();
assert_eventual_balance(
self.bob_monero_wallet.as_ref(),
Ordering::Equal,
self.bob_punished_xmr_balance(),
)
.await
.unwrap();
}
fn alice_redeemed_xmr_balance(&self) -> monero::Amount {
self.alice_starting_balances.xmr - self.xmr_amount
}
async fn alice_redeemed_btc_balance(&self) -> bitcoin::Amount {
let fee = self
.alice_bitcoin_wallet
.estimate_fee(TxRedeem::weight(), self.btc_amount)
.await
.expect("To estimate fee correctly");
self.alice_starting_balances.btc + self.btc_amount - fee
}
fn bob_redeemed_xmr_balance(&self) -> monero::Amount {
self.bob_starting_balances.xmr
}
async fn bob_redeemed_btc_balance(&self, state: BobState) -> Result<bitcoin::Amount> {
self.bob_bitcoin_wallet.sync().await?;
let lock_tx_id = if let BobState::XmrRedeemed { tx_lock_id } = state {
tx_lock_id
} else {
bail!("Bob in not in xmr redeemed state: {:?}", state);
};
let lock_tx_bitcoin_fee = self.bob_bitcoin_wallet.transaction_fee(lock_tx_id).await?;
Ok(self.bob_starting_balances.btc - self.btc_amount - lock_tx_bitcoin_fee)
}
fn alice_refunded_xmr_balance(&self) -> monero::Amount {
self.alice_starting_balances.xmr - self.xmr_amount
}
fn alice_refunded_btc_balance(&self) -> bitcoin::Amount {
self.alice_starting_balances.btc
}
fn bob_refunded_xmr_balance(&self) -> monero::Amount {
self.bob_starting_balances.xmr
}
fn alice_punished_xmr_balance(&self) -> monero::Amount {
self.alice_starting_balances.xmr - self.xmr_amount
}
async fn alice_punished_btc_balance(&self) -> bitcoin::Amount {
let cancel_fee = self
.alice_bitcoin_wallet
.estimate_fee(TxCancel::weight(), self.btc_amount)
.await
.expect("To estimate fee correctly");
let punish_fee = self
.alice_bitcoin_wallet
.estimate_fee(TxPunish::weight(), self.btc_amount)
.await
.expect("To estimate fee correctly");
self.alice_starting_balances.btc + self.btc_amount - cancel_fee - punish_fee
}
fn bob_punished_xmr_balance(&self) -> monero::Amount {
self.bob_starting_balances.xmr
}
async fn bob_punished_btc_balance(&self, state: BobState) -> Result<bitcoin::Amount> {
self.bob_bitcoin_wallet.sync().await?;
let lock_tx_id = if let BobState::BtcPunished { tx_lock_id } = state {
tx_lock_id
} else {
bail!("Bob in not in btc punished state: {:?}", state);
};
let lock_tx_bitcoin_fee = self.bob_bitcoin_wallet.transaction_fee(lock_tx_id).await?;
Ok(self.bob_starting_balances.btc - self.btc_amount - lock_tx_bitcoin_fee)
}
}
async fn assert_eventual_balance<A: fmt::Display + PartialOrd>(
wallet: &impl Wallet<Amount = A>,
ordering: Ordering,
expected: A,
) -> Result<()> {
let ordering_str = match ordering {
Ordering::Less => "less than",
Ordering::Equal => "equal to",
Ordering::Greater => "greater than",
};
let mut current_balance = wallet.get_balance().await?;
let assertion = async {
while current_balance.partial_cmp(&expected).unwrap() != ordering {
tokio::time::sleep(Duration::from_millis(500)).await;
wallet.refresh().await?;
current_balance = wallet.get_balance().await?;
}
tracing::debug!(
"Assertion successful! Balance {} is {} {}",
current_balance,
ordering_str,
expected
);
Result::<_, anyhow::Error>::Ok(())
};
let timeout = Duration::from_secs(10);
tokio::time::timeout(timeout, assertion)
.await
.with_context(|| {
format!(
"Expected balance to be {} {} after at most {}s but was {}",
ordering_str,
expected,
timeout.as_secs(),
current_balance
)
})??;
Ok(())
}
#[async_trait]
trait Wallet {
type Amount;
async fn refresh(&self) -> Result<()>;
async fn get_balance(&self) -> Result<Self::Amount>;
}
#[async_trait]
impl Wallet for monero::Wallet {
type Amount = monero::Amount;
async fn refresh(&self) -> Result<()> {
self.refresh().await?;
Ok(())
}
async fn get_balance(&self) -> Result<Self::Amount> {
let total = self.get_balance().await?;
let balance = Self::Amount::from_piconero(total.balance);
Ok(balance)
}
}
#[async_trait]
impl Wallet for bitcoin::Wallet {
type Amount = bitcoin::Amount;
async fn refresh(&self) -> Result<()> {
self.sync().await
}
async fn get_balance(&self) -> Result<Self::Amount> {
self.balance().await
}
}
fn random_prefix() -> String {
use rand::distributions::Alphanumeric;
use rand::{thread_rng, Rng};
use std::iter;
const LEN: usize = 8;
let mut rng = thread_rng();
let chars: String = iter::repeat(())
.map(|()| rng.sample(Alphanumeric))
.map(char::from)
.take(LEN)
.collect();
chars
}
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())
.await?;
}
}
async fn init_bitcoind(node_url: Url, spendable_quantity: u32) -> Result<Client> {
let bitcoind_client = Client::new(node_url.clone());
bitcoind_client
.createwallet(BITCOIN_TEST_WALLET_NAME, None, None, None, None)
.await?;
let reward_address = bitcoind_client
.with_wallet(BITCOIN_TEST_WALLET_NAME)?
.getnewaddress(None, None)
.await?;
bitcoind_client
.generatetoaddress(101 + spendable_quantity, reward_address.clone())
.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(BITCOIN_TEST_WALLET_NAME, address.clone(), amount)
.await?;
// Confirm the transaction
let reward_address = bitcoind_client
.with_wallet(BITCOIN_TEST_WALLET_NAME)?
.getnewaddress(None, None)
.await?;
bitcoind_client.generatetoaddress(1, reward_address).await?;
Ok(())
}
// This is just to keep the containers alive
#[allow(dead_code)]
struct Containers<'a> {
bitcoind_url: Url,
bitcoind: Container<'a, Cli, bitcoind::Bitcoind>,
monerod_container: Container<'a, Cli, image::Monerod>,
monero_wallet_rpc_containers: Vec<Container<'a, Cli, image::MoneroWalletRpc>>,
electrs: Container<'a, Cli, electrs::Electrs>,
}
pub mod alice_run_until {
use swap::protocol::alice::AliceState;
pub fn is_xmr_lock_transaction_sent(state: &AliceState) -> bool {
matches!(state, AliceState::XmrLockTransactionSent { .. })
}
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 GetConfig for SlowCancelConfig {
fn get_config() -> Config {
Config {
bitcoin_cancel_timelock: CancelTimelock::new(180),
..env::Regtest::get_config()
}
}
}
pub struct FastCancelConfig;
impl GetConfig for FastCancelConfig {
fn get_config() -> Config {
Config {
bitcoin_cancel_timelock: CancelTimelock::new(10),
..env::Regtest::get_config()
}
}
}
pub struct FastPunishConfig;
impl GetConfig for FastPunishConfig {
fn get_config() -> Config {
Config {
bitcoin_cancel_timelock: CancelTimelock::new(10),
bitcoin_punish_timelock: PunishTimelock::new(10),
..env::Regtest::get_config()
}
}
}