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Merge pull request #26 from comit-network/more-on-chain-tests

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Test that Alice punishes if Bob is inactive after locking bitcoin
This commit is contained in:
Lucas Soriano 2020-10-27 10:22:12 +11:00 committed by GitHub
commit 4cfc603786
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1 changed files with 154 additions and 20 deletions
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174
xmr-btc/tests/on_chain.rs
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@ -6,8 +6,8 @@ use anyhow::Result;
use async_trait::async_trait;
use futures::{
channel::mpsc::{channel, Receiver, Sender},
future::try_join,
SinkExt, StreamExt,
future::{select, try_join},
pin_mut, SinkExt, StreamExt,
};
use genawaiter::GeneratorState;
use harness::{
@ -18,6 +18,7 @@ use monero_harness::Monero;
use rand::rngs::OsRng;
use testcontainers::clients::Cli;
use tracing::info;
use tracing_subscriber::util::SubscriberInitExt;
use xmr_btc::{
alice::{self, ReceiveBitcoinRedeemEncsig},
bitcoin::{BroadcastSignedTransaction, EncryptedSignature, SignTxLock},
@ -80,12 +81,32 @@ impl Default for AliceBehaviour {
}
}
struct BobBehaviour {
lock_btc: bool,
send_btc_redeem_encsig: bool,
create_monero_wallet_for_output: bool,
cancel_btc: bool,
refund_btc: bool,
}
impl Default for BobBehaviour {
fn default() -> Self {
Self {
lock_btc: true,
send_btc_redeem_encsig: true,
create_monero_wallet_for_output: true,
cancel_btc: true,
refund_btc: true,
}
}
}
async fn swap_as_alice(
network: AliceNetwork,
// FIXME: It would be more intuitive to have a single network/transport struct instead of
// splitting into two, but Rust ownership rules make this tedious
mut sender: Sender<TransferProof>,
monero_wallet: &harness::wallet::monero::Wallet,
monero_wallet: Arc<harness::wallet::monero::Wallet>,
bitcoin_wallet: Arc<harness::wallet::bitcoin::Wallet>,
behaviour: AliceBehaviour,
state: alice::State3,
@ -151,6 +172,7 @@ async fn swap_as_bob(
mut sender: Sender<EncryptedSignature>,
monero_wallet: Arc<harness::wallet::monero::Wallet>,
bitcoin_wallet: Arc<harness::wallet::bitcoin::Wallet>,
behaviour: BobBehaviour,
state: bob::State2,
) -> Result<()> {
let mut action_generator = bob::action_generator(
@ -168,31 +190,41 @@ async fn swap_as_bob(
match state {
GeneratorState::Yielded(bob::Action::LockBtc(tx_lock)) => {
let signed_tx_lock = bitcoin_wallet.sign_tx_lock(tx_lock).await?;
let _ = bitcoin_wallet
.broadcast_signed_transaction(signed_tx_lock)
.await?;
if behaviour.lock_btc {
let signed_tx_lock = bitcoin_wallet.sign_tx_lock(tx_lock).await?;
let _ = bitcoin_wallet
.broadcast_signed_transaction(signed_tx_lock)
.await?;
}
}
GeneratorState::Yielded(bob::Action::SendBtcRedeemEncsig(tx_redeem_encsig)) => {
sender.send(tx_redeem_encsig).await.unwrap();
if behaviour.send_btc_redeem_encsig {
sender.send(tx_redeem_encsig).await.unwrap();
}
}
GeneratorState::Yielded(bob::Action::CreateXmrWalletForOutput {
spend_key,
view_key,
}) => {
monero_wallet
.create_and_load_wallet_for_output(spend_key, view_key)
.await?;
if behaviour.create_monero_wallet_for_output {
monero_wallet
.create_and_load_wallet_for_output(spend_key, view_key)
.await?;
}
}
GeneratorState::Yielded(bob::Action::CancelBtc(tx_cancel)) => {
let _ = bitcoin_wallet
.broadcast_signed_transaction(tx_cancel)
.await?;
if behaviour.cancel_btc {
let _ = bitcoin_wallet
.broadcast_signed_transaction(tx_cancel)
.await?;
}
}
GeneratorState::Yielded(bob::Action::RefundBtc(tx_refund)) => {
let _ = bitcoin_wallet
.broadcast_signed_transaction(tx_refund)
.await?;
if behaviour.refund_btc {
let _ = bitcoin_wallet
.broadcast_signed_transaction(tx_refund)
.await?;
}
}
GeneratorState::Complete(()) => return Ok(()),
}
@ -246,7 +278,7 @@ async fn on_chain_happy_path() {
swap_as_alice(
alice_network,
alice_sender,
&alice_monero_wallet.clone(),
alice_monero_wallet.clone(),
alice_bitcoin_wallet.clone(),
AliceBehaviour::default(),
alice,
@ -256,6 +288,7 @@ async fn on_chain_happy_path() {
bob_sender,
bob_monero_wallet.clone(),
bob_bitcoin_wallet.clone(),
BobBehaviour::default(),
bob,
),
)
@ -287,7 +320,7 @@ async fn on_chain_happy_path() {
// Getting the Monero LockTx fee is tricky in a clean way, I think checking this
// condition is sufficient
assert!(alice_final_xmr_balance <= initial_balances.alice_xmr - swap_amounts.xmr,);
assert!(alice_final_xmr_balance <= initial_balances.alice_xmr - swap_amounts.xmr);
assert_eq!(
bob_final_xmr_balance,
initial_balances.bob_xmr + swap_amounts.xmr
@ -336,7 +369,7 @@ async fn on_chain_both_refund_if_alice_never_redeems() {
swap_as_alice(
alice_network,
alice_sender,
&alice_monero_wallet.clone(),
alice_monero_wallet.clone(),
alice_bitcoin_wallet.clone(),
AliceBehaviour {
redeem_btc: false,
@ -349,6 +382,7 @@ async fn on_chain_both_refund_if_alice_never_redeems() {
bob_sender,
bob_monero_wallet.clone(),
bob_bitcoin_wallet.clone(),
BobBehaviour::default(),
bob,
),
)
@ -382,3 +416,103 @@ async fn on_chain_both_refund_if_alice_never_redeems() {
assert_eq!(alice_final_xmr_balance, swap_amounts.xmr);
assert_eq!(bob_final_xmr_balance, initial_balances.bob_xmr);
}
#[tokio::test]
async fn on_chain_alice_punishes_if_bob_never_acts_after_fund() {
let _guard = tracing_subscriber::fmt()
.with_env_filter("info")
.with_ansi(false)
.set_default();
let cli = Cli::default();
let (monero, _container) = Monero::new(&cli).unwrap();
let bitcoind = init_bitcoind(&cli).await;
let (alice_state0, bob_state0, mut alice_node, mut bob_node, initial_balances, swap_amounts) =
init_test(&monero, &bitcoind, Some(10), Some(10)).await;
// run the handshake as part of the setup
let (alice_state, bob_state) = try_join(
run_alice_until(
&mut alice_node,
alice_state0.into(),
harness::alice::is_state3,
&mut OsRng,
),
run_bob_until(
&mut bob_node,
bob_state0.into(),
harness::bob::is_state2,
&mut OsRng,
),
)
.await
.unwrap();
let alice: alice::State3 = alice_state.try_into().unwrap();
let bob: bob::State2 = bob_state.try_into().unwrap();
let tx_lock_txid = bob.tx_lock.txid();
let alice_bitcoin_wallet = Arc::new(alice_node.bitcoin_wallet);
let bob_bitcoin_wallet = Arc::new(bob_node.bitcoin_wallet);
let alice_monero_wallet = Arc::new(alice_node.monero_wallet);
let bob_monero_wallet = Arc::new(bob_node.monero_wallet);
let (alice_network, bob_sender) = Network::<EncryptedSignature>::new();
let (bob_network, alice_sender) = Network::<TransferProof>::new();
let alice_swap = swap_as_alice(
alice_network,
alice_sender,
alice_monero_wallet.clone(),
alice_bitcoin_wallet.clone(),
AliceBehaviour::default(),
alice,
);
let bob_swap = swap_as_bob(
bob_network,
bob_sender,
bob_monero_wallet.clone(),
bob_bitcoin_wallet.clone(),
BobBehaviour {
send_btc_redeem_encsig: false,
create_monero_wallet_for_output: false,
cancel_btc: false,
refund_btc: false,
..Default::default()
},
bob,
);
pin_mut!(alice_swap);
pin_mut!(bob_swap);
// since we model Bob as inactive after locking bitcoin, his future does not
// resolve, so we wait for one of the two (Alice's) to resolve via select
select(alice_swap, bob_swap).await;
let alice_final_btc_balance = alice_bitcoin_wallet.balance().await.unwrap();
let bob_final_btc_balance = bob_bitcoin_wallet.balance().await.unwrap();
let lock_tx_bitcoin_fee = bob_bitcoin_wallet
.transaction_fee(tx_lock_txid)
.await
.unwrap();
let alice_final_xmr_balance = alice_monero_wallet.get_balance().await.unwrap();
let bob_final_xmr_balance = bob_monero_wallet.get_balance().await.unwrap();
assert_eq!(
alice_final_btc_balance,
initial_balances.alice_btc + swap_amounts.btc
- bitcoin::Amount::from_sat(2 * xmr_btc::bitcoin::TX_FEE)
);
assert_eq!(
bob_final_btc_balance,
initial_balances.bob_btc - swap_amounts.btc - lock_tx_bitcoin_fee
);
// Getting the Monero LockTx fee is tricky in a clean way, I think checking this
// condition is sufficient
assert!(alice_final_xmr_balance <= initial_balances.alice_xmr - swap_amounts.xmr,);
assert_eq!(bob_final_xmr_balance, initial_balances.bob_xmr);
}