fix: increase MSRV

The minimum supported Rust version is now 1.63, due to the tempfile
dependency.

Also fix/silence newly introduced Clippy warnings.

.github/workflows/ci.yml

@@ -6,7 +6,7 @@ on:
     branches: master
 
 env:
-  MSRV: 1.59.0
+  MSRV: 1.63.0
   RUSTFLAGS: "-Dwarnings"
   CARGO_INCREMENTAL: 0
   RUST_BACKTRACE: 1

Cargo.toml

@@ -5,7 +5,7 @@ authors = ["dignifiedquire <[email protected]>"]
 license = "MIT OR Apache-2.0"
 edition = "2018"
 resolver = "2"
-rust-version = "1.59.0"
+rust-version = "1.63.0"
 
 description = "Aggregate BLS Signatures"
 documentation = "https://docs.rs/bls-signatures"

bls-signatures-ffi/src/lib.rs

@@ -1,3 +1,5 @@
+#![allow(clippy::missing_safety_doc)]
+
 use std::slice::from_raw_parts;
 
 #[cfg(feature = "pairing")]
@@ -86,7 +88,7 @@ pub unsafe extern "C" fn aggregate(
 
     let signatures = try_ffi!(
         parts
-            .map(|item| Signature::from_bytes(item))
+            .map(Signature::from_bytes)
             .collect::<Result<Vec<_>, _>>(),
         std::ptr::null_mut()
     );

rust-toolchain

@@ -1 +1 @@
-1.59.0
+1.63.0

src/key.rs

@@ -23,10 +23,10 @@ use crate::signature::*;
 
 pub(crate) const G1_COMPRESSED_SIZE: usize = 48;
 
-#[derive(Debug, Copy, Clone, PartialEq)]
+#[derive(Debug, Copy, Clone, Eq, PartialEq)]
 pub struct PublicKey(pub(crate) G1Projective);
 
-#[derive(Debug, Copy, Clone, PartialEq)]
+#[derive(Debug, Copy, Clone, Eq, PartialEq)]
 pub struct PrivateKey(pub(crate) Scalar);
 
 impl From<G1Projective> for PublicKey {

src/signature.rs

@@ -24,7 +24,7 @@ use crate::key::*;
 const CSUITE: &[u8] = b"BLS_SIG_BLS12381G2_XMD:SHA-256_SSWU_RO_NUL_";
 const G2_COMPRESSED_SIZE: usize = 96;
 
-#[derive(Debug, Copy, Clone, PartialEq)]
+#[derive(Debug, Copy, Clone, Eq, PartialEq)]
 pub struct Signature(G2Affine);
 
 impl From<G2Projective> for Signature {