feat(anvil): Include CREATE2 deployer by default on new instances (foundry-rs#5391)

* chore: install create_2_deployer

* chore: docs

* chore: comment codes

* fix: set proper runtime code

* fmt

Author: Evalir

crates/anvil/src/config.rs

@@ -32,7 +32,10 @@ use foundry_common::{
 };
 use foundry_config::Config;
 use foundry_evm::{
-    executor::fork::{BlockchainDb, BlockchainDbMeta, SharedBackend},
+    executor::{
+        fork::{BlockchainDb, BlockchainDbMeta, SharedBackend},
+        inspector::DEFAULT_CREATE2_DEPLOYER,
+    },
     revm,
     revm::primitives::{BlockEnv, CfgEnv, SpecId, TxEnv, U256 as rU256},
     utils::{apply_chain_and_block_specific_env_changes, h256_to_b256, u256_to_ru256},
@@ -163,6 +166,8 @@ pub struct NodeConfig {
     pub init_state: Option<SerializableState>,
     /// max number of blocks with transactions in memory
     pub transaction_block_keeper: Option<usize>,
+    /// Disable the default CREATE2 deployer
+    pub disable_default_create2_deployer: bool,
 }
 
 impl NodeConfig {
@@ -398,6 +403,7 @@ impl Default for NodeConfig {
             prune_history: Default::default(),
             init_state: None,
             transaction_block_keeper: None,
+            disable_default_create2_deployer: false,
         }
     }
 }
@@ -1005,6 +1011,15 @@ latest block number: {latest_block}"
         )
         .await;
 
+        // Writes the default create2 deployer to the backend,
+        // if the option is not disabled and we are not forking.
+        if !self.disable_default_create2_deployer && self.eth_rpc_url.is_none() {
+            backend
+                .set_create2_deployer(DEFAULT_CREATE2_DEPLOYER)
+                .await
+                .expect("Failed to create default create2 deployer");
+        }
+
         if let Some(ref state) = self.init_state {
             backend
                 .get_db()

crates/anvil/src/eth/backend/mem/mod.rs

@@ -60,6 +60,7 @@ use foundry_evm::{
     executor::{
         backend::{DatabaseError, DatabaseResult},
         inspector::AccessListTracer,
+        DEFAULT_CREATE2_DEPLOYER_RUNTIME_CODE,
     },
     revm::{
         self,
@@ -235,6 +236,13 @@ impl Backend {
         backend
     }
 
+    /// Writes the CREATE2 deployer code directly to the database at the address provided.
+    pub async fn set_create2_deployer(&self, address: Address) -> DatabaseResult<()> {
+        self.set_code(address, Bytes::from_static(DEFAULT_CREATE2_DEPLOYER_RUNTIME_CODE)).await?;
+
+        Ok(())
+    }
+
     /// Updates memory limits that should be more strict when auto-mine is enabled
     pub(crate) fn update_interval_mine_block_time(&self, block_time: Duration) {
         self.states.write().update_interval_mine_block_time(block_time)

crates/evm/src/executor/mod.rs

@@ -64,7 +64,10 @@ pub use builder::ExecutorBuilder;
 /// A mapping of addresses to their changed state.
 pub type StateChangeset = HashMap<B160, Account>;
 
+/// The initcode of the default create2 deployer.
 pub const DEFAULT_CREATE2_DEPLOYER_CODE: &[u8] = &hex!("604580600e600039806000f350fe7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffe03601600081602082378035828234f58015156039578182fd5b8082525050506014600cf3");
+/// The runtime code of the default create2 deployer.
+pub const DEFAULT_CREATE2_DEPLOYER_RUNTIME_CODE: &[u8] = &hex!("7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffe03601600081602082378035828234f58015156039578182fd5b8082525050506014600cf3");
 
 /// A type that can execute calls
 ///