debug_backtraceAt (paradigmxyz#4232)

Co-authored-by: Matthias Seitz <matthias.seitz@outlook.de>

crates/rpc/rpc-api/src/debug.rs

@@ -123,4 +123,10 @@ pub trait DebugApi {
         opts: Option<GethDebugTracingOptions>,
         state_override: Option<StateOverride>,
     ) -> RpcResult<Vec<GethTrace>>;
+
+    /// Sets the logging backtrace location. When a backtrace location is set and a log message is
+    /// emitted at that location,  the stack of the goroutine executing the log statement will
+    /// be printed to stderr.
+    #[method(name = "backtraceAt")]
+    async fn debug_backtrace_at(&self, location: &str) -> RpcResult<()>;
 }

crates/rpc/rpc/Cargo.toml

@@ -25,6 +25,7 @@ reth-tasks.workspace = true
 reth-metrics.workspace = true
 reth-consensus-common = { path = "../../consensus/common" }
 reth-rpc-types-compat.workspace = true
+lazy_static = "*"
 
 # eth
 revm = { workspace = true, features = [

crates/rpc/rpc/src/debug.rs

@@ -643,6 +643,10 @@ where
         Ok(res.into())
     }
 
+    async fn debug_backtrace_at(&self, _location: &str) -> RpcResult<()> {
+        Ok(())
+    }
+
     /// Handler for `debug_getRawBlock`
     async fn raw_block(&self, block_id: BlockId) -> RpcResult<Bytes> {
         let block = self.inner.provider.block_by_id(block_id).to_rpc_result()?;