feat: add to_*_env to filler for easy instantiation (#133)

Author: prestwich

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "trevm"
-version = "0.31.0"
+version = "0.31.1"
 rust-version = "1.83.0"
 edition = "2021"
 authors = ["init4"]

src/fill/traits.rs

@@ -27,6 +27,13 @@ pub trait Tx: Send + Sync {
     {
         evm.ctx.modify_tx(|tx_env| self.fill_tx_env(tx_env));
     }
+
+    /// Create a new [`TxEnv`] filled by this filler.
+    fn to_tx_env(&self) -> TxEnv {
+        let mut tx_env = TxEnv::default();
+        self.fill_tx_env(&mut tx_env);
+        tx_env
+    }
 }
 
 impl Tx for TxEnv {
@@ -83,6 +90,13 @@ pub trait Block: Send + Sync {
     fn tx_count_hint(&self) -> Option<usize> {
         None
     }
+
+    /// Create a new [`BlockEnv`] filled by this filler.
+    fn to_block_env(&self) -> BlockEnv {
+        let mut block_env = BlockEnv::default();
+        self.fill_block_env(&mut block_env);
+        block_env
+    }
 }
 
 impl<T> Block for T
@@ -142,6 +156,13 @@ pub trait Cfg: Send + Sync {
     {
         evm.ctx.modify_cfg(|cfg_env| self.fill_cfg_env(cfg_env));
     }
+
+    /// Create a new [`CfgEnv`] filled by this filler.
+    fn to_cfg_env(&self) -> CfgEnv {
+        let mut cfg_env = CfgEnv::default();
+        self.fill_cfg_env(&mut cfg_env);
+        cfg_env
+    }
 }
 
 impl Cfg for Arc<dyn Cfg> {