From 7f0e32dd0978fc2b01f31a1f200343eb413083bd Mon Sep 17 00:00:00 2001
From: Matthias Seitz <matthias.seitz@outlook.de>
Date: Wed, 15 Mar 2023 15:04:49 +0100
Subject: [PATCH] chore(rpc): impl with_state_at closure (#1767)

---
 crates/rpc/rpc/src/eth/api/transactions.rs | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/crates/rpc/rpc/src/eth/api/transactions.rs b/crates/rpc/rpc/src/eth/api/transactions.rs
index ef92e75b63..e97d15adb0 100644
--- a/crates/rpc/rpc/src/eth/api/transactions.rs
+++ b/crates/rpc/rpc/src/eth/api/transactions.rs
@@ -49,11 +49,12 @@ where
     Client: BlockProvider + StateProviderFactory + EvmEnvProvider + 'static,
     Network: Send + Sync + 'static,
 {
-    fn with_state_at<F, T>(&self, _at: BlockId, _f: F) -> EthResult<T>
+    fn with_state_at<F, T>(&self, at: BlockId, f: F) -> EthResult<T>
     where
         F: FnOnce(ChainState<'_>) -> EthResult<T>,
     {
-        unimplemented!()
+        let state = self.state_at_block_id(at)?.ok_or(EthApiError::UnknownBlockNumber)?;
+        f(state)
     }
 
     async fn evm_env_at(&self, at: BlockId) -> EthResult<(CfgEnv, BlockEnv, BlockId)> {