Derive Clone for EvmEnv

steel/src/host/db/alloy.rs

@@ -33,6 +33,7 @@ use tokio::runtime::Handle;
 /// must *not* be executed inside an async runtime, or it will panic when trying to block. If the
 /// immediate context is only synchronous, but a transitive caller is async, use
 /// [tokio::task::spawn_blocking] around the calls that need to be blocked.
+#[derive(Clone)]
 pub struct AlloyDb<T: Transport + Clone, N: Network, P: Provider<T, N>> {
     /// Provider to fetch the data from.
     provider: P,

steel/src/host/db/trace.rs

@@ -19,6 +19,7 @@ use revm::{
 };
 
 /// A simple revm [Database] wrapper that records all DB queries.
+#[derive(Clone)]
 pub struct TraceDb<D> {
     accounts: HashMap<Address, HashSet<U256>>,
     contracts: HashMap<B256, Bytes>,

steel/src/lib.rs

@@ -63,6 +63,7 @@ impl<H: EvmBlockHeader> EvmInput<H> {
 pub(crate) type GuestEvmEnv<H> = EvmEnv<StateDb, H>;
 
 /// The environment to execute the contract calls in.
+#[derive(Clone)]
 pub struct EvmEnv<D, H> {
     db: Option<D>,
     cfg_env: CfgEnvWithHandlerCfg,