Re-introduce punish test

.github/workflows/ci.yml

@@ -118,6 +118,7 @@ jobs:
             bob_refunds_using_cancel_and_refund_command,
             bob_refunds_using_cancel_and_refund_command_timelock_not_expired,
             bob_refunds_using_cancel_and_refund_command_timelock_not_expired_force,
+            punish
         ]
     runs-on: ubuntu-latest
     steps:

bors.toml

@@ -10,5 +10,6 @@ status = [
     "docker_tests (happy_path_restart_bob_before_comm)",
     "docker_tests (bob_refunds_using_cancel_and_refund_command)",
     "docker_tests (bob_refunds_using_cancel_and_refund_command_timelock_not_expired_force)",
-    "docker_tests (bob_refunds_using_cancel_and_refund_command_timelock_not_expired)"
+    "docker_tests (bob_refunds_using_cancel_and_refund_command_timelock_not_expired)",
+    "docker_tests (punish)"
 ]

swap/tests/punish.rs

@@ -0,0 +1,37 @@
+pub mod testutils;
+
+use swap::protocol::bob::BobState;
+use swap::protocol::{alice, bob};
+use testutils::bob_run_until::is_btc_locked;
+use testutils::FastPunishConfig;
+
+/// Bob locks Btc and Alice locks Xmr. Bob does not act; he fails to send Alice
+/// the encsig and fail to refund or redeem. Alice punishes.
+#[tokio::test]
+async fn alice_punishes_if_bob_never_acts_after_fund() {
+    testutils::setup_test(FastPunishConfig, |mut ctx| async move {
+        let (bob_swap, bob_join_handle) = ctx.bob_swap().await;
+        let bob_swap = tokio::spawn(bob::run_until(bob_swap, is_btc_locked));
+
+        let alice_swap = ctx.alice_next_swap().await;
+        let alice_swap = tokio::spawn(alice::run(alice_swap));
+
+        let bob_state = bob_swap.await??;
+        assert!(matches!(bob_state, BobState::BtcLocked { .. }));
+
+        let alice_state = alice_swap.await??;
+        ctx.assert_alice_punished(alice_state).await;
+
+        // Restart Bob after Alice punished to ensure Bob transitions to
+        // punished and does not run indefinitely
+        let (bob_swap, _) = ctx.stop_and_resume_bob_from_db(bob_join_handle).await;
+        assert!(matches!(bob_swap.state, BobState::BtcLocked { .. }));
+
+        let bob_state = bob::run(bob_swap).await?;
+
+        ctx.assert_bob_punished(bob_state).await;
+
+        Ok(())
+    })
+    .await;
+}