add case

Cargo.toml

@@ -5,11 +5,11 @@ edition = "2021"
 
 [[bin]]
 name = "revm_hang"
-path = "src/lib.rs"
+path = "src/main.rs"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
 ethers-providers = "2.0.13"
-revm = { version = "3.5.0", features = ["ethersdb"] }
+revm = { version = "6.0.0", features = ["ethersdb"] }
 tokio = "1.36.0"

src/main.rs

@@ -0,0 +1,52 @@
+use std::sync::Arc;
+
+use ethers_providers::{Http, Provider};
+use revm::{
+    db::EthersDB,
+    primitives::{Address, U256},
+    Database,
+};
+
+#[tokio::main]
+async fn main() {
+    let args = std::env::args().collect::<Vec<String>>();
+    if args.len() != 2 {
+        println!("Usage: cargo run <hang|nohang>");
+        return;
+    }
+
+    // setup
+    let url = "http://localhost:8124/eth";
+    let client = Provider::<Http>::try_from(url).unwrap();
+
+    if args[1] == "nohang" {
+        let _ = EthersDB::new(Arc::new(client), None).unwrap();
+        panic!("this panic is expected");
+    } else {
+        let mut ethers_db = EthersDB::new(Arc::new(client), None).unwrap();
+
+        let addr = Address::ZERO;
+        let slot = U256::ZERO;
+        for _ in 0..1000 {
+            ethers_db.storage(addr, slot).unwrap();
+        }
+        panic!("we want to panic but it hangs");
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+    #[tokio::test]
+    async fn test_hang() {
+        let url = "http://localhost:8124/eth";
+        let client = Provider::<Http>::try_from(url).unwrap();
+
+        let block_number = client.get_block_number().await.unwrap();
+        println!("block_number: {:?}", block_number);
+
+        let _ = EthersDB::new(Arc::new(client), None).unwrap();
+
+        panic!("we want to panic but it hangs");
+    }
+}