Fixed code execution issues in examples

Author: Rollp0x

CHANGELOG.md

@@ -5,6 +5,10 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [2.0.3] - 2025-2-13
+### Fixed
+- Fixed code execution issues in examples
+- Added option to keep state after lastest transaction in batch simulation for easier querying
 
 ## [2.0.2] - 2024-12-25
 

README.md

@@ -58,7 +58,7 @@ Perfect for:
 
 Add this to your `Cargo.toml`:
 ```toml
-revm-trace = "2.0.2"
+revm-trace = "2.0.3"
 ```
 
 ## Quick Start
@@ -83,16 +83,16 @@ async fn main() -> anyhow::Result<()> {
 
     // Create simulation transaction
     let tx = SimulationTx {
-        caller: address!("dead00000000000000000000000000000000beef"),
-        transact_to: TxKind::Call(address!("dac17f958d2ee523a2206206994597c13d831ec7")),
-        value: U256::from(1000000000000000000u64), // 1 ETH
+        caller: address!("C255fC198eEdAC7AF8aF0f6e0ca781794B094A61"),
+        transact_to: TxKind::Call(address!("d878229c9c3575F224784DE610911B5607a3ad15")),
+        value: U256::from(120000000000000000u64), // 0.12 ETH
         data: vec![].into(),
     };
 
     // Create batch with single transaction
     let batch = SimulationBatch {
         block_env: BlockEnv {
-            number: 18000000,
+            number: 21784863,
             timestamp: 1700000000,
         },
         transactions: vec![tx],

src/evm/execution.rs

@@ -166,12 +166,13 @@ where
         self.reset_db();
 
         // 2. Execution
-        for input in transactions {
+        let len = transactions.len();
+        for (index,input) in transactions.into_iter().enumerate() {
             let result = self.process_transaction_internal(input)
                 .map_err(EvmError::Runtime);
             results.push(result);
 
-            if !is_stateful {
+            if index !=len -1 &&  !is_stateful {
                 self.reset_db();
             }
         }

src/lib.rs

@@ -41,16 +41,16 @@
 //!
 //! // Create simulation transaction
 //! let tx = SimulationTx {
-//!     caller: address!("dead00000000000000000000000000000000beef"),
-//!     transact_to: TxKind::Call(address!("dac17f958d2ee523a2206206994597c13d831ec7")),
-//!     value: U256::from(1000000000000000000u64), // 1 ETH
+//!     caller: address!("C255fC198eEdAC7AF8aF0f6e0ca781794B094A61"),
+//!     transact_to: TxKind::Call(address!("d878229c9c3575F224784DE610911B5607a3ad15")),
+//!     value: U256::from(120000000000000000u64), // 0.12 ETH
 //!     data: vec![].into(),
 //! };
 //!
 //! // Create batch with single transaction
 //! let batch = SimulationBatch {
 //!     block_env: BlockEnv {
-//!         number: 18000000,
+//!         number: 21784863,
 //!         timestamp: 1700000000,
 //!     },
 //!     transactions: vec![tx],

tests/readme_example.rs

@@ -17,16 +17,16 @@ async fn test_basic_usage() -> anyhow::Result<()> {
 
     // Create simulation transaction
     let tx = SimulationTx {
-        caller: address!("dead00000000000000000000000000000000beef"),
-        transact_to: TxKind::Call(address!("dac17f958d2ee523a2206206994597c13d831ec7")),
-        value: U256::from(1000000000000000000u64), // 1 ETH
+        caller: address!("C255fC198eEdAC7AF8aF0f6e0ca781794B094A61"),
+        transact_to: TxKind::Call(address!("d878229c9c3575F224784DE610911B5607a3ad15")),
+        value: U256::from(120000000000000000u64), //  0.12 ETH
         data: vec![].into(),
     };
 
     // Create batch with single transaction
     let batch = SimulationBatch {
         block_env: BlockEnv {
-            number: 18000000,
+            number: 21784863,
             timestamp: 1700000000,
         },
         transactions: vec![tx],

tests/trace_tests.rs

@@ -132,7 +132,7 @@ const REVERT_DEMO_BYTECODE:&str = "0x608060405234801561001057600080fd5b506101098
 #[tokio::test(flavor = "multi_thread")]
 async fn test_nested_revert_with_try_catch() {
     let inspector = TxInspector::new();
-    let mut evm = create_evm_with_inspector(ETH_RPC_URL,inspector).await.unwrap();
+    let mut evm: revm_trace::evm::TraceEvm<'_, alloy::transports::http::Http<alloy::transports::http::Client>, alloy::providers::RootProvider<alloy::transports::http::Http<alloy::transports::http::Client>>, TxInspector> = create_evm_with_inspector(ETH_RPC_URL,inspector).await.unwrap();
     let block_env = get_block_env(ETH_RPC_URL, None).await;
 
     // get current nonce to calculate contract address
@@ -141,7 +141,7 @@ async fn test_nested_revert_with_try_catch() {
     let revert_demo_address = SENDER.create(nonce);
     let owner_demo_address = SENDER.create(nonce + 1);
 
-    // 1. deploy ReverDemo contract
+    // 1. deploy RevertDemo contract
     let tx0 = SimulationTx {
         caller: SENDER,
         transact_to: TxKind::Create,
@@ -240,6 +240,7 @@ async fn test_nested_revert_with_multicall() {
 
     // get current nonce to calculate contract address
     let current_account = evm.db_mut().basic(SENDER).unwrap().unwrap();
+
     let nonce = current_account.nonce;
     let revert_demo_address = SENDER.create(nonce);
     let owner_demo_address = SENDER.create(nonce + 1);