Merge pull request #3 from Ayushdubey86/Split-Precompile-Constants-ou…

…t-of-Individual-Modules-#2081

Update bls12_381.rs

crates/precompile/src/bls12_381.rs

@@ -1,18 +1,27 @@
 use crate::PrecompileWithAddress;
 
 mod g1;
+#[cfg(feature = "blst")]
 pub mod g1_add;
+#[cfg(feature = "blst")]
 pub mod g1_msm;
 mod g2;
+#[cfg(feature = "blst")]
 pub mod g2_add;
+#[cfg(feature = "blst")]
 pub mod g2_msm;
+#[cfg(feature = "blst")]
 pub mod map_fp2_to_g2;
+#[cfg(feature = "blst")]
 pub mod map_fp_to_g1;
-pub mod msm;
+#[cfg(feature = "blst")]
 pub mod pairing;
 mod utils;
+pub mod reuse_const;
+pub mod msm;
 
 /// Returns the BLS12-381 precompiles with their addresses.
+#[cfg(feature = "blst")]
 pub fn precompiles() -> impl Iterator<Item = PrecompileWithAddress> {
     [
         g1_add::PRECOMPILE,