use revm_precompile::u64_to_address

crates/precompile/src/lib.rs

@@ -11,15 +11,3 @@ pub mod secp256r1;
 pub mod bls12_381;
 
 mod addresses;
-
-/// Const function for making an address by concatenating the bytes from two given numbers.
-///
-/// Note that 32 + 128 = 160 = 20 bytes (the length of an address). This function is used
-/// as a convenience for specifying the addresses of the various precompiles.
-#[inline]
-const fn u64_to_address(x: u64) -> Address {
-    let x = x.to_be_bytes();
-    Address::new([
-        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, x[0], x[1], x[2], x[3], x[4], x[5], x[6], x[7],
-    ])
-}

crates/precompile/src/secp256r1.rs

@@ -1,6 +1,6 @@
 use crate::addresses::P256VERIFY_ADDRESS;
 use p256::ecdsa::{signature::hazmat::PrehashVerifier, Signature, VerifyingKey};
-use revm_precompile::{Precompile, PrecompileWithAddress};
+use revm_precompile::{u64_to_address, Precompile, PrecompileWithAddress};
 use revm_primitives::{Bytes, PrecompileError, PrecompileResult, B256};
 
 /// secp256r1 precompiles
@@ -9,10 +9,8 @@ pub fn precompiles() -> impl Iterator<Item = PrecompileWithAddress> {
 }
 
 /// [EIP-7212](https://eips.ethereum.org/EIPS/eip-7212#specification) secp256r1 precompile.
-const P256VERIFY: PrecompileWithAddress = PrecompileWithAddress(
-    crate::u64_to_address(P256VERIFY_ADDRESS),
-    Precompile::Standard(p256_verify),
-);
+const P256VERIFY: PrecompileWithAddress =
+    PrecompileWithAddress(u64_to_address(P256VERIFY_ADDRESS), Precompile::Standard(p256_verify));
 
 /// The input is encoded as follows:
 /// | signed msg hash |  r  |  s  | pk x | pk y |