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Refactor punish test and punish assertions

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This commit is contained in:
Daniel Karzel 2021-01-18 10:57:52 +11:00
parent 73a2841ec5
commit 55024572ae
2 changed files with 99 additions and 143 deletions
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170
swap/tests/punish.rs
View File

@ -1,21 +1,5 @@
use crate::testutils::{init_alice, init_bob};
use futures::{
future::{join, select, Either},
FutureExt,
};
use get_port::get_port;
use libp2p::Multiaddr;
use rand::rngs::OsRng;
use swap::{
bitcoin,
config::Config,
monero,
protocol::{alice, alice::AliceState, bob, bob::BobState},
seed::Seed,
};
use testcontainers::clients::Cli;
use testutils::init_tracing;
use uuid::Uuid;
use swap::protocol::{alice, bob, bob::BobState};
pub mod testutils;
@ -23,128 +7,64 @@ pub mod testutils;
/// the encsig and fail to refund or redeem. Alice punishes.
#[tokio::test]
async fn alice_punishes_if_bob_never_acts_after_fund() {
let _guard = init_tracing();
testutils::test(|alice_harness, bob_harness| async move {
let alice = alice_harness.new_alice().await;
let bob = bob_harness.new_bob().await;
let cli = Cli::default();
let (
monero,
testutils::Containers {
bitcoind,
monerods: _monerods,
},
) = testutils::init_containers(&cli).await;
let alice_swap = alice::swap(
alice.state,
alice.event_loop_handle,
alice.bitcoin_wallet.clone(),
alice.monero_wallet.clone(),
alice.config,
alice.swap_id,
alice.db,
);
let alice_swap_handle = tokio::spawn(alice_swap);
let btc_to_swap = bitcoin::Amount::from_sat(1_000_000);
let xmr_to_swap = monero::Amount::from_piconero(1_000_000_000_000);
let bob_btc_starting_balance = btc_to_swap * 10;
let alice_btc_starting_balance = bitcoin::Amount::ZERO;
let alice_xmr_starting_balance = xmr_to_swap * 10;
let port = get_port().expect("Failed to find a free port");
let alice_multiaddr: Multiaddr = format!("/ip4/127.0.0.1/tcp/{}", port)
.parse()
.expect("failed to parse Alice's address");
let config = Config::regtest();
let (
alice_state,
mut alice_event_loop,
alice_event_loop_handle,
alice_btc_wallet,
alice_xmr_wallet,
alice_db,
) = init_alice(
&bitcoind,
&monero,
btc_to_swap,
xmr_to_swap,
alice_xmr_starting_balance,
alice_multiaddr.clone(),
config,
Seed::random().unwrap(),
)
.await;
let (bob_state, bob_event_loop, bob_event_loop_handle, bob_btc_wallet, bob_xmr_wallet, bob_db) =
init_bob(
alice_multiaddr,
alice_event_loop.peer_id(),
&bitcoind,
&monero,
btc_to_swap,
bob_btc_starting_balance,
xmr_to_swap,
config,
)
.await;
let bob_btc_locked_fut = bob::swap::run_until(
bob_state,
let bob_state = bob::run_until(
bob.state,
bob::swap::is_btc_locked,
bob_event_loop_handle,
bob_db,
bob_btc_wallet.clone(),
bob_xmr_wallet.clone(),
bob.event_loop_handle,
bob.db,
bob.bitcoin_wallet.clone(),
bob.monero_wallet.clone(),
OsRng,
Uuid::new_v4(),
bob.swap_id,
)
.boxed();
.await
.unwrap();
let bob_fut = select(bob_btc_locked_fut, bob_event_loop.run().boxed());
assert!(matches!(bob_state, BobState::BtcLocked {..}));
let alice_fut = alice::swap::swap(
alice_state,
alice_event_loop_handle,
alice_btc_wallet.clone(),
alice_xmr_wallet.clone(),
Config::regtest(),
Uuid::new_v4(),
alice_db,
)
.boxed();
let alice_state = alice_swap_handle.await.unwrap();
alice_harness.assert_punished(alice_state.unwrap()).await;
let alice_fut = select(alice_fut, alice_event_loop.run().boxed());
// Restart Bob after Alice punished to ensure Bob transitions to
// punished and does not run indefinitely
let bob = bob_harness.recover_bob_from_db().await;
assert!(matches!(bob.state, BobState::BtcLocked {..}));
// Wait until alice has locked xmr and bob has locked btc
let (alice_state, bob_state) = join(alice_fut, bob_fut).await;
let alice_state = match alice_state {
Either::Left((state, _)) => state.unwrap(),
Either::Right(_) => panic!("Alice event loop should not terminate."),
};
let bob_state = match bob_state {
Either::Left((state, _)) => state.unwrap(),
Either::Right(_) => panic!("Bob event loop should not terminate."),
};
assert!(matches!(alice_state, AliceState::BtcPunished));
let bob_state3 = if let BobState::BtcLocked(state3, ..) = bob_state {
state3
// TODO: make lock-tx-id available in final states
let lock_tx_id = if let BobState::BtcLocked(state3) = bob_state {
state3.tx_lock_id()
} else {
panic!("Bob in unexpected state");
};
let btc_alice_final = alice_btc_wallet.as_ref().balance().await.unwrap();
let btc_bob_final = bob_btc_wallet.as_ref().balance().await.unwrap();
// lock_tx_bitcoin_fee is determined by the wallet, it is not necessarily equal
// to TX_FEE
let lock_tx_bitcoin_fee = bob_btc_wallet
.transaction_fee(bob_state3.tx_lock_id())
let bob_state = bob::swap(
bob.state,
bob.event_loop_handle,
bob.db,
bob.bitcoin_wallet.clone(),
bob.monero_wallet.clone(),
OsRng,
bob.swap_id,
)
.await
.unwrap();
assert_eq!(
btc_alice_final,
alice_btc_starting_balance + btc_to_swap - bitcoin::Amount::from_sat(2 * bitcoin::TX_FEE)
);
assert_eq!(
btc_bob_final,
bob_btc_starting_balance - btc_to_swap - lock_tx_bitcoin_fee
);
bob_harness.assert_punished(bob_state, lock_tx_id).await;
})
.await;
}

54
swap/tests/testutils/mod.rs
View File

@ -65,16 +65,29 @@ impl AliceHarness {
pub async fn assert_redeemed(&self, state: AliceState) {
assert!(matches!(state, AliceState::BtcRedeemed));
let btc_alice_final = self.bitcoin_wallet.as_ref().balance().await.unwrap();
let btc_balance_after_swap = self.bitcoin_wallet.as_ref().balance().await.unwrap();
assert_eq!(
btc_alice_final,
btc_balance_after_swap,
self.starting_balances.btc + self.swap_amounts.btc
- bitcoin::Amount::from_sat(bitcoin::TX_FEE)
);
let xmr_alice_final = self.monero_wallet.as_ref().get_balance().await.unwrap();
assert!(xmr_alice_final <= self.starting_balances.xmr - self.swap_amounts.xmr);
let xmr_balance_after_swap = self.monero_wallet.as_ref().get_balance().await.unwrap();
assert!(xmr_balance_after_swap <= self.starting_balances.xmr - self.swap_amounts.xmr);
}
pub async fn assert_punished(&self, state: AliceState) {
assert!(matches!(state, AliceState::BtcPunished));
let btc_balance_after_swap = self.bitcoin_wallet.as_ref().balance().await.unwrap();
assert_eq!(
btc_balance_after_swap,
self.starting_balances.btc + self.swap_amounts.btc
- bitcoin::Amount::from_sat(2 * bitcoin::TX_FEE)
);
let xnr_balance_after_swap = self.monero_wallet.as_ref().get_balance().await.unwrap();
assert!(xnr_balance_after_swap <= self.starting_balances.xmr - self.swap_amounts.xmr);
}
pub async fn new(
@ -294,15 +307,38 @@ impl BobHarness {
pub async fn assert_redeemed(&self, state: BobState) {
assert!(matches!(state, BobState::XmrRedeemed));
let btc_bob_final = self.bitcoin_wallet.as_ref().balance().await.unwrap();
let btc_balance_after_swap = self.bitcoin_wallet.as_ref().balance().await.unwrap();
assert!(btc_balance_after_swap <= self.starting_balances.btc - self.swap_amounts.btc);
// Ensure that Bob's balance is refreshed as we use a newly created wallet
self.monero_wallet.as_ref().inner.refresh().await.unwrap();
let xmr_bob_final = self.monero_wallet.as_ref().get_balance().await.unwrap();
assert!(btc_bob_final <= self.starting_balances.btc - self.swap_amounts.btc);
let xmr_balance_after_swap = self.monero_wallet.as_ref().get_balance().await.unwrap();
assert_eq!(
xmr_bob_final,
xmr_balance_after_swap,
self.starting_balances.xmr + self.swap_amounts.xmr
);
}
pub async fn assert_punished(&self, state: BobState, lock_tx_id: ::bitcoin::Txid) {
assert!(matches!(state, BobState::BtcPunished));
// lock_tx_bitcoin_fee is determined by the wallet, it is not necessarily equal
// to TX_FEE
let lock_tx_bitcoin_fee = self
.bitcoin_wallet
.transaction_fee(lock_tx_id)
.await
.unwrap();
let btc_balance_after_swap = self.bitcoin_wallet.as_ref().balance().await.unwrap();
assert_eq!(
btc_balance_after_swap,
self.starting_balances.btc - self.swap_amounts.btc - lock_tx_bitcoin_fee
);
let xmr_balance_after_swap = self.monero_wallet.as_ref().get_balance().await.unwrap();
assert_eq!(xmr_balance_after_swap, self.starting_balances.xmr);
}
}
pub async fn test<T, F>(testfn: T)