refactor: feature gate by c-kzg

crates/precompile/src/kzg_point_evaluation.rs

@@ -1,7 +1,7 @@
 use crate::{Address, Error, Precompile, PrecompileResult, PrecompileWithAddress};
-#[cfg(not(feature = "kzg-rs"))]
+#[cfg(feature = "c-kzg")]
 use c_kzg::{Bytes32, Bytes48, KzgProof, KzgSettings};
-#[cfg(feature = "kzg-rs")]
+#[cfg(not(feature = "c-kzg"))]
 use kzg_rs::{Bytes32, Bytes48, KzgProof, KzgSettings};
 use revm_primitives::{hex_literal::hex, Bytes, Env, PrecompileOutput};
 use sha2::{Digest, Sha256};

crates/primitives/src/kzg.rs

@@ -1,10 +1,10 @@
 mod env_settings;
 mod trusted_setup_points;
 
-#[cfg(feature = "kzg-rs")]
-pub use kzg_rs::KzgSettings;
-#[cfg(not(feature = "kzg-rs"))]
+#[cfg(feature = "c-kzg")]
 pub use c_kzg::KzgSettings;
+#[cfg(not(feature = "c-kzg"))]
+pub use kzg_rs::KzgSettings;
 
 pub use env_settings::EnvKzgSettings;
 pub use trusted_setup_points::{

crates/primitives/src/kzg/env_settings.rs

@@ -7,10 +7,10 @@ use std::{boxed::Box, sync::Arc};
 
 /// KZG Settings that allow us to specify a custom trusted setup.
 /// or use hardcoded default settings.
-#[cfg(feature = "kzg-rs")]
+#[cfg(not(feature = "c-kzg"))]
 pub use kzg_rs::EnvKzgSettings;
 
-#[cfg(not(feature = "kzg-rs"))]
+#[cfg(feature = "c-kzg")]
 #[derive(Debug, Clone, Default, PartialEq, Eq, Hash)]
 pub enum EnvKzgSettings {
     /// Default mainnet trusted setup
@@ -20,9 +20,11 @@ pub enum EnvKzgSettings {
     Custom(Arc<c_kzg::KzgSettings>),
 }
 
-#[cfg(not(feature = "kzg-rs"))]
+#[cfg(feature = "c-kzg")]
 impl EnvKzgSettings {
     /// Return set KZG settings.
+    ///
+    /// In will initialize the default settings if it is not already loaded.
     pub fn get(&self) -> &KzgSettings {
         match self {
             Self::Default => {