From bbc8d81dbe2a6a4d184e32fa540e1c4e248a65c9 Mon Sep 17 00:00:00 2001
From: Dan Cline <6798349+Rjected@users.noreply.github.com>
Date: Mon, 4 Nov 2024 04:56:23 -0500
Subject: [PATCH] perf(precompile): use secp256k1 global context for ecrecover
 (#1843)

* perf(precompile): use secp256k1 global context for ecrecover

* remove secp var
---
 crates/precompile/src/secp256k1.rs | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/crates/precompile/src/secp256k1.rs b/crates/precompile/src/secp256k1.rs
index 72b5c602de..864b43eaf3 100644
--- a/crates/precompile/src/secp256k1.rs
+++ b/crates/precompile/src/secp256k1.rs
@@ -49,7 +49,7 @@ mod secp256k1 {
     use primitives::{alloy_primitives::B512, keccak256, B256};
     use secp256k1::{
         ecdsa::{RecoverableSignature, RecoveryId},
-        Message, Secp256k1,
+        Message, SECP256K1,
     };
 
     // Silence the unused crate dependency warning.
@@ -59,9 +59,8 @@ mod secp256k1 {
         let recid = RecoveryId::from_i32(recid as i32).expect("recovery ID is valid");
         let sig = RecoverableSignature::from_compact(sig.as_slice(), recid)?;
 
-        let secp = Secp256k1::new();
         let msg = Message::from_digest(msg.0);
-        let public = secp.recover_ecdsa(&msg, &sig)?;
+        let public = SECP256K1.recover_ecdsa(&msg, &sig)?;
 
         let mut hash = keccak256(&public.serialize_uncompressed()[1..]);
         hash[..12].fill(0);