feat: implement State trait for Arc<StateRef>

crates/revm/src/blockchain.rs

@@ -27,3 +27,16 @@ where
         BlockHashRef::block_hash(*self, number)
     }
 }
+
+#[cfg(feature = "std")]
+impl<T> BlockHash for std::sync::Arc<T>
+where
+    T: BlockHashRef,
+{
+    type Error = <T as BlockHashRef>::Error;
+
+    fn block_hash(&mut self, number: U256) -> Result<B256, Self::Error> {
+        use std::ops::Deref;
+        self.deref().block_hash(number)
+    }
+}

crates/revm/src/db.rs

@@ -40,8 +40,8 @@ where
 }
 
 pub struct DatabaseComponents<BH: BlockHash, S: State> {
-    block_hash: BH,
-    state: S,
+    pub block_hash: BH,
+    pub state: S,
 }
 
 pub enum ComponentError<BHE, SE> {

crates/revm/src/state.rs

@@ -51,3 +51,26 @@ where
         StateRef::storage(*self, address, index)
     }
 }
+
+#[cfg(feature = "std")]
+impl<T> State for std::sync::Arc<T>
+where
+    T: StateRef,
+{
+    type Error = <T as StateRef>::Error;
+
+    fn basic(&mut self, address: B160) -> Result<Option<AccountInfo>, Self::Error> {
+        use std::ops::Deref;
+        self.deref().basic(address)
+    }
+
+    fn code_by_hash(&mut self, code_hash: B256) -> Result<Bytecode, Self::Error> {
+        use std::ops::Deref;
+        self.deref().code_by_hash(code_hash)
+    }
+
+    fn storage(&mut self, address: B160, index: U256) -> Result<U256, Self::Error> {
+        use std::ops::Deref;
+        self.deref().storage(address, index)
+    }
+}