ci(speculos): set version to 0.8.3, fix clippy

.github/workflows/main.yml

@@ -59,17 +59,8 @@ jobs:
             ~/.cargo/git
             target
           key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.toml','**/Cargo.lock') }}
-      - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v2
-      - name: Build and push
-        uses: docker/build-push-action@v3
-        with:
-          context: ci/
-          file: ci/Dockerfile.${{ matrix.emulator.name }}
-          tags: hwi/${{ matrix.emulator.name }}_emulator:latest
-          load: true
-          cache-from: type=gha
-          cache-to: type=gha
+      - name: Build simulator image
+        run: docker build -t hwi/${{ matrix.emulator.name }}_emulator:latest ./ci -f ci/Dockerfile.${{ matrix.emulator.name }}
       - name: Run simulator image
         run: docker run --name simulator --network=host hwi/${{ matrix.emulator.name }}_emulator &
       - name: Install Python

ci/Dockerfile.ledger

@@ -1,4 +1,4 @@
-FROM ghcr.io/ledgerhq/speculos
+FROM ghcr.io/ledgerhq/speculos:0.8.3
 
 RUN apt-get update
 RUN apt-get install wget -y

clippy.toml

@@ -1 +1 @@
-msrv="1.48.0"
+msrv="1.63.0"

src/lib.rs

@@ -29,6 +29,7 @@
 #[cfg(test)]
 #[macro_use]
 extern crate serial_test;
+extern crate core;
 
 pub use interface::HWIClient;
 
@@ -58,7 +59,7 @@ mod tests {
     #[serial]
     fn test_enumerate() {
         let devices = HWIClient::enumerate().unwrap();
-        assert!(devices.len() > 0);
+        assert!(!devices.is_empty());
     }
 
     #[test]
@@ -82,7 +83,7 @@ mod tests {
             .expect("No devices found. Either plug in a hardware wallet, or start a simulator.")
             .as_ref()
             .expect("Error when opening the first device");
-        HWIClient::get_client(&device, true, TESTNET).unwrap()
+        HWIClient::get_client(device, true, TESTNET).unwrap()
     }
 
     #[test]
@@ -118,8 +119,8 @@ mod tests {
         let client = get_first_device();
         let account = Some(10);
         let descriptor = client.get_descriptors::<String>(account).unwrap();
-        assert!(descriptor.internal.len() > 0);
-        assert!(descriptor.receive.len() > 0);
+        assert!(!descriptor.internal.is_empty());
+        assert!(!descriptor.receive.is_empty());
     }
 
     #[test]
@@ -140,8 +141,8 @@ mod tests {
         let descriptor = client
             .get_descriptors::<Descriptor<DescriptorPublicKey>>(account)
             .unwrap();
-        assert!(descriptor.internal.len() > 0);
-        assert!(descriptor.receive.len() > 0);
+        assert!(!descriptor.internal.is_empty());
+        assert!(!descriptor.receive.is_empty());
     }
 
     #[test]
@@ -198,7 +199,7 @@ mod tests {
     fn test_sign_tx() {
         let devices = HWIClient::enumerate().unwrap();
         let device = devices.first().unwrap().as_ref().unwrap();
-        let client = HWIClient::get_client(&device, true, TESTNET).unwrap();
+        let client = HWIClient::get_client(device, true, TESTNET).unwrap();
         let derivation_path = DerivationPath::from_str("m/44'/1'/0'/0/0").unwrap();
 
         let address = client
@@ -236,7 +237,7 @@ mod tests {
                 input: vec![previous_txin],
                 output: vec![TxOut {
                     value: Amount::from_sat(50),
-                    script_pubkey: script_pubkey,
+                    script_pubkey,
                 }],
             },
             xpub: Default::default(),

src/types.rs

@@ -1,4 +1,6 @@
+use core::fmt;
 use std::convert::TryFrom;
+use std::fmt::{Display, Formatter};
 use std::ops::Deref;
 use std::str::FromStr;
 
@@ -260,9 +262,9 @@ where
     }
 }
 
-impl ToString for HWIDeviceType {
-    fn to_string(&self) -> String {
-        match self {
+impl Display for HWIDeviceType {
+    fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
+        let name = match self {
             Self::Ledger => String::from("ledger"),
             Self::Trezor => String::from("trezor"),
             Self::BitBox01 => String::from("digitalbitbox"),
@@ -271,7 +273,8 @@ impl ToString for HWIDeviceType {
             Self::Coldcard => String::from("coldcard"),
             Self::Jade => String::from("jade"),
             Self::Other(name) => name.to_string(),
-        }
+        };
+        fmt::Display::fmt(&name, f)
     }
 }