Rust 1.91 lints

beacon_node/beacon_chain/src/attestation_verification.rs

@@ -1344,7 +1344,7 @@ pub fn verify_signed_aggregate_signatures<T: BeaconChainTypes>(
         .spec
         .fork_at_epoch(indexed_attestation.data().target.epoch);
 
-    let signature_sets = vec![
+    let signature_sets = [
         signed_aggregate_selection_proof_signature_set(
             |validator_index| pubkey_cache.get(validator_index).map(Cow::Borrowed),
             signed_aggregate,

beacon_node/beacon_chain/src/sync_committee_verification.rs

@@ -628,7 +628,7 @@ pub fn verify_signed_aggregate_signatures<T: BeaconChainTypes>(
         (signed_aggregate.message.contribution.slot + 1).epoch(T::EthSpec::slots_per_epoch());
     let fork = chain.spec.fork_at_epoch(next_slot_epoch);
 
-    let signature_sets = vec![
+    let signature_sets = [
         signed_sync_aggregate_selection_proof_signature_set(
             |validator_index| pubkey_cache.get(validator_index).map(Cow::Borrowed),
             signed_aggregate,

common/eth2/src/types.rs

@@ -1560,20 +1560,15 @@ pub struct ForkChoiceNode {
     pub execution_block_hash: Option<Hash256>,
 }
 
-#[derive(Copy, Clone, Debug, Serialize, Deserialize, PartialEq, Eq)]
+#[derive(Copy, Clone, Debug, Default, Serialize, Deserialize, PartialEq, Eq)]
 #[serde(rename_all = "snake_case")]
 pub enum BroadcastValidation {
+    #[default]
     Gossip,
     Consensus,
     ConsensusAndEquivocation,
 }
 
-impl Default for BroadcastValidation {
-    fn default() -> Self {
-        Self::Gossip
-    }
-}
-
 impl Display for BroadcastValidation {
     fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
         match self {

validator_client/http_api/src/tests/keystores.rs

@@ -2091,7 +2091,7 @@ async fn import_remotekey_web3signer_disabled() {
         // Import web3signers.
         tester
             .client
-            .post_lighthouse_validators_web3signer(&vec![web3signer_req])
+            .post_lighthouse_validators_web3signer(&[web3signer_req])
             .await
             .unwrap();
 
@@ -2146,7 +2146,7 @@ async fn import_remotekey_web3signer_enabled() {
         // Import web3signers.
         tester
             .client
-            .post_lighthouse_validators_web3signer(&vec![web3signer_req.clone()])
+            .post_lighthouse_validators_web3signer(&[web3signer_req.clone()])
             .await
             .unwrap();
 

validator_client/initialized_validators/src/key_cache.rs

@@ -291,7 +291,7 @@ mod tests {
     #[tokio::test]
     async fn test_encryption() {
         let mut key_cache = KeyCache::new();
-        let keypairs = vec![Keypair::random(), Keypair::random()];
+        let keypairs = [Keypair::random(), Keypair::random()];
         let uuids = vec![Uuid::from_u128(1), Uuid::from_u128(2)];
         let passwords = vec![
             PlainText::from(vec![1, 2, 3, 4, 5, 6]),