Replace lazy_static! with LazyLock (#6189)

* Replace `lazy_static` with `LazyLock`.

* Merge branch 'unstable' into remove-lazy-static

# Conflicts:
#	beacon_node/lighthouse_network/src/peer_manager/mod.rs

* Lint fixes.

* Merge branch 'unstable' into remove-lazy-static

# Conflicts:
#	beacon_node/beacon_chain/src/metrics.rs

* Moar lint fixes.

* Update rust version to 1.80.0.

* Merge branch 'unstable' into remove-lazy-static

beacon_node/beacon_chain/src/beacon_block_streamer.rs

@@ -712,16 +712,16 @@ mod tests {
     use crate::test_utils::{test_spec, BeaconChainHarness, EphemeralHarnessType};
     use execution_layer::test_utils::{Block, DEFAULT_ENGINE_CAPABILITIES};
     use execution_layer::EngineCapabilities;
-    use lazy_static::lazy_static;
+    use std::sync::LazyLock;
     use std::time::Duration;
     use tokio::sync::mpsc;
     use types::{ChainSpec, Epoch, EthSpec, Hash256, Keypair, MinimalEthSpec, Slot};
 
     const VALIDATOR_COUNT: usize = 48;
-    lazy_static! {
-        /// A cached set of keys.
-        static ref KEYPAIRS: Vec<Keypair> = types::test_utils::generate_deterministic_keypairs(VALIDATOR_COUNT);
-    }
+
+    /// A cached set of keys.
+    static KEYPAIRS: LazyLock<Vec<Keypair>> =
+        LazyLock::new(|| types::test_utils::generate_deterministic_keypairs(VALIDATOR_COUNT));
 
     fn get_harness(
         validator_count: usize,

beacon_node/beacon_chain/src/graffiti_calculator.rs

@@ -241,16 +241,15 @@ mod tests {
     use crate::ChainConfig;
     use execution_layer::test_utils::{DEFAULT_CLIENT_VERSION, DEFAULT_ENGINE_CAPABILITIES};
     use execution_layer::EngineCapabilities;
-    use lazy_static::lazy_static;
     use slog::info;
+    use std::sync::LazyLock;
     use std::time::Duration;
     use types::{ChainSpec, Graffiti, Keypair, MinimalEthSpec, GRAFFITI_BYTES_LEN};
 
     const VALIDATOR_COUNT: usize = 48;
-    lazy_static! {
-        /// A cached set of keys.
-        static ref KEYPAIRS: Vec<Keypair> = types::test_utils::generate_deterministic_keypairs(VALIDATOR_COUNT);
-    }
+    /// A cached set of keys.
+    static KEYPAIRS: LazyLock<Vec<Keypair>> =
+        LazyLock::new(|| types::test_utils::generate_deterministic_keypairs(VALIDATOR_COUNT));
 
     fn get_harness(
         validator_count: usize,

beacon_node/beacon_chain/src/test_utils.rs

@@ -31,7 +31,6 @@ use futures::channel::mpsc::Receiver;
 pub use genesis::{interop_genesis_state_with_eth1, DEFAULT_ETH1_BLOCK_HASH};
 use int_to_bytes::int_to_bytes32;
 use kzg::{Kzg, TrustedSetup};
-use lazy_static::lazy_static;
 use merkle_proof::MerkleTree;
 use operation_pool::ReceivedPreCapella;
 use parking_lot::Mutex;
@@ -52,7 +51,7 @@ use std::collections::{HashMap, HashSet};
 use std::fmt;
 use std::str::FromStr;
 use std::sync::atomic::{AtomicUsize, Ordering};
-use std::sync::Arc;
+use std::sync::{Arc, LazyLock};
 use std::time::Duration;
 use store::{config::StoreConfig, HotColdDB, ItemStore, LevelDB, MemoryStore};
 use task_executor::TaskExecutor;
@@ -75,15 +74,13 @@ pub const FORK_NAME_ENV_VAR: &str = "FORK_NAME";
 // a different value.
 pub const DEFAULT_TARGET_AGGREGATORS: u64 = u64::MAX;
 
-lazy_static! {
-    pub static ref KZG: Arc<Kzg> = {
-        let trusted_setup: TrustedSetup = serde_json::from_reader(TRUSTED_SETUP_BYTES)
-            .map_err(|e| format!("Unable to read trusted setup file: {}", e))
-            .expect("should have trusted setup");
-        let kzg = Kzg::new_from_trusted_setup(trusted_setup).expect("should create kzg");
-        Arc::new(kzg)
-    };
-}
+pub static KZG: LazyLock<Arc<Kzg>> = LazyLock::new(|| {
+    let trusted_setup: TrustedSetup = serde_json::from_reader(TRUSTED_SETUP_BYTES)
+        .map_err(|e| format!("Unable to read trusted setup file: {}", e))
+        .expect("should have trusted setup");
+    let kzg = Kzg::new_from_trusted_setup(trusted_setup).expect("should create kzg");
+    Arc::new(kzg)
+});
 
 pub type BaseHarnessType<E, THotStore, TColdStore> =
     Witness<TestingSlotClock, CachingEth1Backend<E>, E, THotStore, TColdStore>;