feat: add latest block number to chain provider for op-rs

op-rs · Sep 9, 2024 · f5021a4 · f5021a4
1 parent b6d6db6
commit f5021a4
Showing 1 changed file with 13 additions and 0 deletions.
diff --git a/crates/derive/src/online/alloy_providers.rs b/crates/derive/src/online/alloy_providers.rs
@@ -59,6 +59,19 @@ impl AlloyChainProvider {
         Self::new(inner)
     }
 
+    /// Returns the latest L2 block number.
+    pub async fn latest_block_number(&mut self) -> Result<u64> {
+        let b: TransportResult<alloc::string::String> =
+            self.inner.raw_request("eth_blockNumber".into(), ()).await;
+        match b {
+            Ok(s) => {
+                let s = alloc::string::String::from(s.trim_start_matches("0x"));
+                u64::from_str_radix(&s, 16).map_err(|e| anyhow!(e))
+            }
+            Err(e) => Err(anyhow!(e)),
+        }
+    }
+
     /// Returns the chain ID.
     pub async fn chain_id(&mut self) -> Result<u64> {
         let chain_id: TransportResult<alloc::string::String> =