feat(rpc-testing) : add raw transaction tracing to traceApiExt (#5221)

crates/rpc/rpc-testing-util/src/trace.rs

@@ -1,14 +1,18 @@
 //! Helpers for testing trace calls.
 use futures::{Stream, StreamExt};
 use jsonrpsee::core::Error as RpcError;
-use reth_primitives::{BlockId, TxHash};
+
+use reth_primitives::{BlockId, Bytes, TxHash};
 use reth_rpc_api::clients::TraceApiClient;
 use reth_rpc_types::trace::parity::{LocalizedTransactionTrace, TraceResults, TraceType};
 use std::{
     collections::HashSet,
     pin::Pin,
     task::{Context, Poll},
 };
+/// A type alias that represents the result of a raw transaction trace stream.
+type RawTransactionTraceResult<'a> =
+    Pin<Box<dyn Stream<Item = Result<(TraceResults, Bytes), (RpcError, Bytes)>> + 'a>>;
 /// A result type for the `trace_block` method that also captures the requested block.
 pub type TraceBlockResult = Result<(Vec<LocalizedTransactionTrace>, BlockId), (RpcError, BlockId)>;
 /// Type alias representing the result of replaying a transaction.
@@ -47,6 +51,34 @@ pub trait TraceApiExt {
     ) -> ReplayTransactionStream<'_>
     where
         I: IntoIterator<Item = TxHash>;
+
+    /// Returns a new stream that traces the provided raw transaction data.
+    fn trace_raw_transaction_stream(
+        &self,
+        data: Bytes,
+        trace_types: HashSet<TraceType>,
+        block_id: Option<BlockId>,
+    ) -> RawTransactionTraceStream<'_>;
+}
+/// A stream that traces the provided raw transaction data.
+
+#[must_use = "streams do nothing unless polled"]
+pub struct RawTransactionTraceStream<'a> {
+    stream: RawTransactionTraceResult<'a>,
+}
+
+impl<'a> Stream for RawTransactionTraceStream<'a> {
+    type Item = Result<(TraceResults, Bytes), (RpcError, Bytes)>;
+
+    fn poll_next(mut self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Option<Self::Item>> {
+        self.stream.as_mut().poll_next(cx)
+    }
+}
+
+impl<'a> std::fmt::Debug for RawTransactionTraceStream<'a> {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        f.debug_struct("RawTransactionTraceStream").finish()
+    }
 }
 
 /// A stream that replays the transactions for the requested hashes.
@@ -125,6 +157,20 @@ impl<T: TraceApiClient + Sync> TraceApiExt for T {
         .buffered(10);
         ReplayTransactionStream { stream: Box::pin(stream) }
     }
+    fn trace_raw_transaction_stream(
+        &self,
+        data: Bytes,
+        trace_types: HashSet<TraceType>,
+        block_id: Option<BlockId>,
+    ) -> RawTransactionTraceStream<'_> {
+        let stream = futures::stream::once(async move {
+            match self.trace_raw_transaction(data.clone(), trace_types, block_id).await {
+                Ok(result) => Ok((result, data)),
+                Err(err) => Err((err, data)),
+            }
+        });
+        RawTransactionTraceStream { stream: Box::pin(stream) }
+    }
 }
 
 /// A stream that yields the traces for the requested blocks.