Align clippy lints

Lints in `main.rs` are not used if there is a `lib.rs` file.

swap/src/alice/event_loop.rs

@@ -11,6 +11,7 @@ use libp2p::{
 use tokio::sync::mpsc::{Receiver, Sender};
 use xmr_btc::{alice, bob};
 
+#[allow(missing_debug_implementations)]
 pub struct Channels<T> {
     sender: Sender<T>,
     receiver: Receiver<T>,
@@ -29,6 +30,7 @@ impl<T> Default for Channels<T> {
     }
 }
 
+#[derive(Debug)]
 pub struct EventLoopHandle {
     msg0: Receiver<(bob::Message0, ResponseChannel<AliceToBob>)>,
     msg1: Receiver<(bob::Message1, ResponseChannel<AliceToBob>)>,
@@ -122,6 +124,7 @@ impl EventLoopHandle {
     }
 }
 
+#[allow(missing_debug_implementations)]
 pub struct EventLoop {
     swarm: libp2p::Swarm<Behaviour>,
     msg0: Sender<(bob::Message0, ResponseChannel<AliceToBob>)>,

swap/src/alice/swap.rs

@@ -41,6 +41,7 @@ trait Rng: RngCore + CryptoRng + Send {}
 
 impl<T> Rng for T where T: RngCore + CryptoRng + Send {}
 
+#[derive(Debug)]
 #[allow(clippy::large_enum_variant)]
 pub enum AliceState {
     Started {

swap/src/bob/amounts.rs

@@ -19,7 +19,7 @@ use crate::{
     SwapAmounts,
 };
 
-#[derive(Debug)]
+#[derive(Copy, Clone, Debug)]
 pub enum OutEvent {
     Amounts(SwapAmounts),
 }

swap/src/bob/event_loop.rs

@@ -12,6 +12,7 @@ use tokio::{
 use tracing::{debug, error, info};
 use xmr_btc::{alice, bitcoin::EncryptedSignature, bob};
 
+#[derive(Debug)]
 pub struct Channels<T> {
     sender: Sender<T>,
     receiver: Receiver<T>,
@@ -30,6 +31,7 @@ impl<T> Default for Channels<T> {
     }
 }
 
+#[derive(Debug)]
 pub struct EventLoopHandle {
     msg0: Receiver<alice::Message0>,
     msg1: Receiver<alice::Message1>,
@@ -105,6 +107,7 @@ impl EventLoopHandle {
     }
 }
 
+#[allow(missing_debug_implementations)]
 pub struct EventLoop {
     swarm: libp2p::Swarm<Behaviour>,
     alice_peer_id: PeerId,

swap/src/bob/message3.rs

@@ -16,7 +16,7 @@ use tracing::error;
 use crate::network::request_response::{AliceToBob, BobToAlice, Codec, Message3Protocol, TIMEOUT};
 use xmr_btc::bob;
 
-#[derive(Debug)]
+#[derive(Debug, Copy, Clone)]
 pub enum OutEvent {
     Msg,
 }

swap/src/lib.rs

@@ -1,3 +1,16 @@
+#![warn(
+    unused_extern_crates,
+    missing_debug_implementations,
+    missing_copy_implementations,
+    rust_2018_idioms,
+    clippy::cast_possible_truncation,
+    clippy::cast_sign_loss,
+    clippy::fallible_impl_from,
+    clippy::cast_precision_loss,
+    clippy::cast_possible_wrap,
+    clippy::dbg_macro
+)]
+#![forbid(unsafe_code)]
 #![allow(non_snake_case)]
 
 use ::serde::{Deserialize, Serialize};
@@ -42,7 +55,7 @@ pub struct SwapAmounts {
 
 // TODO: Display in XMR and BTC (not picos and sats).
 impl Display for SwapAmounts {
-    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
         write!(
             f,
             "{} sats for {} piconeros",

swap/src/main.rs

@@ -11,6 +11,7 @@
     clippy::dbg_macro
 )]
 #![forbid(unsafe_code)]
+#![allow(non_snake_case)]
 
 use anyhow::{bail, Context, Result};
 use libp2p::{core::Multiaddr, PeerId};

swap/src/monero.rs

@@ -7,6 +7,7 @@ use url::Url;
 
 pub use xmr_btc::monero::*;
 
+#[derive(Debug)]
 pub struct Wallet(pub wallet::Client);
 
 impl Wallet {

swap/src/network.rs

@@ -7,6 +7,7 @@ pub mod peer_tracker;
 pub mod request_response;
 pub mod transport;
 
+#[allow(missing_debug_implementations)]
 pub struct TokioExecutor {
     pub handle: Handle,
 }

swap/src/state.rs

@@ -35,7 +35,7 @@ pub enum Alice {
     Done(AliceEndState),
 }
 
-#[derive(Clone, strum::Display, Debug, Deserialize, Serialize, PartialEq)]
+#[derive(Copy, Clone, strum::Display, Debug, Deserialize, Serialize, PartialEq)]
 pub enum AliceEndState {
     SafelyAborted,
     BtcRedeemed,

swap/src/storage.rs

@@ -4,6 +4,7 @@ use serde::{de::DeserializeOwned, Serialize};
 use std::path::Path;
 use uuid::Uuid;
 
+#[derive(Debug)]
 pub struct Database(sled::Db);
 
 impl Database {