Upgrade toolchain

Needed to use libp2p-async-await

monero-harness/rustfmt.toml

@@ -1,7 +1,7 @@
 edition = "2018"
 condense_wildcard_suffixes = true
 format_macro_matchers = true
-merge_imports = true
+imports_granularity = "Crate"
 use_field_init_shorthand = true
 format_code_in_doc_comments = true
 normalize_comments = true

monero-harness/src/image.rs

@@ -303,14 +303,11 @@ impl IntoIterator for Args {
     type IntoIter = ::std::vec::IntoIter<String>;
 
     fn into_iter(self) -> <Self as IntoIterator>::IntoIter {
-        let mut args = Vec::new();
-
-        args.push("/bin/bash".into());
-        args.push("-c".into());
-
-        let cmd = format!("{} ", self.image_args.args());
-        args.push(cmd);
-
-        args.into_iter()
+        vec![
+            "/bin/bash".to_string(),
+            "-c".to_string(),
+            format!("{} ", self.image_args.args()),
+        ]
+        .into_iter()
     }
 }

rust-toolchain

@@ -1 +1 @@
-nightly-2020-08-13
+nightly-2021-01-31

rustfmt.toml

@@ -1,7 +1,7 @@
 edition = "2018"
 condense_wildcard_suffixes = true
 format_macro_matchers = true
-merge_imports = true
+imports_granularity = "Crate"
 use_field_init_shorthand = true
 format_code_in_doc_comments = true
 normalize_comments = true

swap/src/bitcoin/wallet.rs

@@ -157,8 +157,7 @@ impl TransactionBlockHeight for Wallet {
                 .await
                 .map_err(|_| backoff::Error::Transient(Error::Io))?;
 
-            let block_height =
-                block_height.ok_or_else(|| backoff::Error::Transient(Error::NotYetMined))?;
+            let block_height = block_height.ok_or(backoff::Error::Transient(Error::NotYetMined))?;
 
             Result::<_, backoff::Error<Error>>::Ok(block_height)
         })

swap/src/config/seed.rs

@@ -17,7 +17,7 @@ impl Seed {
         Ok(Seed(seed::Seed::random()?))
     }
 
-    pub fn from_file_or_generate(data_dir: &PathBuf) -> Result<Self, Error> {
+    pub fn from_file_or_generate(data_dir: &Path) -> Result<Self, Error> {
         let file_path_buf = data_dir.join("seed.pem");
         let file_path = Path::new(&file_path_buf);
 

swap/src/protocol/alice/swap.rs

@@ -247,9 +247,7 @@ async fn run_until_internal(
                                             .await;
 
                                         match publishded_redeem_tx {
-                                            Ok(_) => {
-                                                AliceState::BtcRedeemed
-                                            }
+                                            Ok(_) => AliceState::BtcRedeemed,
                                             Err(e) => {
                                                 bail!("Waiting for Bitcoin transaction finality failed with {}! The redeem transaction was published, but it is not ensured that the transaction was included! You're screwed.", e)
                                             }

swap/tests/happy_path_restart_bob_after_lock_proof_received.rs

@@ -19,8 +19,10 @@ async fn given_bob_restarts_after_lock_proof_received_resume_swap() {
         assert!(matches!(bob_state, BobState::XmrLockProofReceived { .. }));
 
         let bob_swap = ctx.stop_and_resume_bob_from_db(bob_join_handle).await;
-        assert!(matches!(bob_swap.state, BobState::XmrLockProofReceived
-        {..}));
+        assert!(matches!(
+            bob_swap.state,
+            BobState::XmrLockProofReceived { .. }
+        ));
 
         let bob_state = bob::run(bob_swap).await.unwrap();
 

swap/tests/refund_restart_alice.rs

@@ -15,8 +15,7 @@ async fn given_alice_restarts_after_xmr_is_locked_refund_swap() {
         let bob_handle = tokio::spawn(bob);
 
         let alice_state = alice::run_until(alice_swap, is_xmr_locked).await.unwrap();
-        assert!(matches!(alice_state,
-        AliceState::XmrLocked {..}));
+        assert!(matches!(alice_state, AliceState::XmrLocked { .. }));
 
         // Alice does not act, Bob refunds
         let bob_state = bob_handle.await.unwrap();

swap/tests/refund_restart_alice_cancelled.rs

@@ -34,8 +34,7 @@ async fn given_alice_restarts_after_enc_sig_learned_and_bob_already_cancelled_re
         // Once bob has finished Alice is restarted and refunds as well
         let alice_swap = ctx.stop_and_resume_alice_from_db(alice_join_handle).await;
         assert!(
-            matches!(alice_swap.state, AliceState::EncSigLearned
-        {..}),
+            matches!(alice_swap.state, AliceState::EncSigLearned { .. }),
             "Alice state is not EncSigLearned: {:?}",
             alice_state
         );

swap/tests/testutils/mod.rs

@@ -478,17 +478,11 @@ pub mod alice_run_until {
     use swap::protocol::alice::AliceState;
 
     pub fn is_xmr_locked(state: &AliceState) -> bool {
-        matches!(
-            state,
-            AliceState::XmrLocked{..}
-        )
+        matches!(state, AliceState::XmrLocked { .. })
     }
 
     pub fn is_encsig_learned(state: &AliceState) -> bool {
-        matches!(
-            state,
-            AliceState::EncSigLearned{..}
-        )
+        matches!(state, AliceState::EncSigLearned { .. })
     }
 }