enable eip7939 CLZ Opcode

crates/context/Cargo.toml

@@ -1,7 +1,7 @@
 [package]
 name = "revm-context"
 description = "Revm context crates"
-version = "9.1.0"
+version = "9.1.1"
 authors.workspace = true
 edition.workspace = true
 keywords.workspace = true
@@ -79,3 +79,4 @@ optional_priority_fee_check = []
 optional_fee_charge = []
 enable_eip7702 = []
 enable_eip7623 = []
+enable_eip7939 = []

crates/context/interface/src/cfg.rs

@@ -67,6 +67,9 @@ pub trait Cfg {
 
     /// Returns whether the EIP-7623 is enabled.
     fn is_eip7623_enabled(&self) -> bool;
+
+    /// Returns whether the EIP-7939 is enabled.
+    fn is_eip7939_enabled(&self) -> bool;
 }
 
 /// What bytecode analysis to perform

crates/context/src/cfg.rs

@@ -120,6 +120,12 @@ pub struct CfgEnv<SPEC = SpecId> {
     /// By default, it is set to `false`.
     #[cfg(feature = "enable_eip7623")]
     pub enable_eip7623: bool,
+
+    /// Enables EIP-7939, regardless of the current spec.
+    ///
+    /// By default, it is set to `false`.
+    #[cfg(feature = "enable_eip7939")]
+    pub enable_eip7939: bool,
 }
 
 impl CfgEnv {
@@ -181,6 +187,8 @@ impl<SPEC> CfgEnv<SPEC> {
             enable_eip7702: false,
             #[cfg(feature = "enable_eip7623")]
             enable_eip7623: false,
+            #[cfg(feature = "enable_eip7939")]
+            enable_eip7939: false,
         }
     }
 
@@ -234,6 +242,8 @@ impl<SPEC> CfgEnv<SPEC> {
             enable_eip7702: self.enable_eip7702,
             #[cfg(feature = "enable_eip7623")]
             enable_eip7623: self.enable_eip7623,
+            #[cfg(feature = "enable_eip7939")]
+            enable_eip7939: self.enable_eip7939,
         }
     }
 
@@ -280,6 +290,13 @@ impl<SPEC> CfgEnv<SPEC> {
         self.enable_eip7623 = true;
         self
     }
+
+    /// Enables EIP-7939.
+    #[cfg(feature = "enable_eip7939")]
+    pub fn enable_eip_7939(mut self) -> CfgEnv<SPEC> {
+        self.enable_eip7939 = true;
+        self
+    }
 }
 
 impl<SPEC: Into<SpecId> + Copy> Cfg for CfgEnv<SPEC> {
@@ -423,6 +440,16 @@ impl<SPEC: Into<SpecId> + Copy> Cfg for CfgEnv<SPEC> {
             }
         }
     }
+
+    fn is_eip7939_enabled(&self) -> bool {
+        cfg_if::cfg_if! {
+            if #[cfg(feature = "enable_eip7939")] {
+                self.enable_eip7623 || (self.spec.into() >= SpecId::OSAKA)
+            } else {
+                self.spec.into() >= SpecId::OSAKA
+            }
+        }
+    }
 }
 
 impl<SPEC: Default> Default for CfgEnv<SPEC> {

crates/revm/Cargo.toml

@@ -94,6 +94,7 @@ optional_eip3607 = ["context/optional_eip3607"]
 optional_no_base_fee = ["context/optional_no_base_fee"]
 enable_eip7702 = ["context/enable_eip7702"]
 enable_eip7623 = ["context/enable_eip7623"]
+enable_eip7939 = ["context/enable_eip7939"]
 
 # Precompiles features: Please look at the comments in `precompile` crate for more information.