feat: precompile (#58)

* feat: precompile

* lint: clippy

Author: prestwich

crates/evm/Cargo.toml

@@ -12,7 +12,7 @@ repository.workspace = true
 signet-extract.workspace = true
 signet-types.workspace = true
 
-trevm.workspace = true
+trevm = { workspace = true, features = ["secp256r1"] }
 signet-zenith.workspace = true
 
 alloy.workspace = true

crates/evm/src/lib.rs

@@ -28,6 +28,9 @@ pub use journal::HostJournal;
 mod orders;
 pub use orders::{Framed, FramedFilleds, FramedOrders, OrderDetector, SignetInspector};
 
+mod precompiles;
+pub use precompiles::signet_precompiles;
+
 mod result;
 pub use result::BlockResult;
 
@@ -51,6 +54,7 @@ pub fn signet_evm<Db: Database + DatabaseCommit>(
     TrevmBuilder::new()
         .with_db(db)
         .with_insp(Layered::new(NoOpInspector, OrderDetector::new(constants)))
+        .with_precompiles(signet_precompiles())
         .build_trevm()
         .expect("db set")
 }
@@ -67,7 +71,12 @@ where
 {
     let inspector = SignetLayered::new(inner, OrderDetector::new(constants));
 
-    TrevmBuilder::new().with_db(db).with_insp(inspector).build_trevm().expect("db set")
+    TrevmBuilder::new()
+        .with_db(db)
+        .with_insp(inspector)
+        .with_precompiles(signet_precompiles())
+        .build_trevm()
+        .expect("db set")
 }
 
 /// Test utilities for the Signet EVM impl.

crates/evm/src/precompiles.rs

@@ -0,0 +1,15 @@
+use reth::revm::precompile::{secp256r1, Precompiles};
+use std::sync::OnceLock;
+
+static PRECOMPILES: OnceLock<Precompiles> = OnceLock::new();
+
+/// Create a set of precompiles for the Signet EVM.
+pub fn signet_precompiles() -> &'static Precompiles {
+    PRECOMPILES.get_or_init(|| {
+        let mut precompiles = Precompiles::prague().clone();
+
+        precompiles.extend([secp256r1::P256VERIFY]);
+
+        precompiles
+    })
+}