feat: use tracing pool for tracing calls

crates/rpc/rpc-builder/Cargo.toml

@@ -34,9 +34,6 @@ strum = { workspace = true, features = ["derive"] }
 serde = { workspace = true, features = ["derive"] }
 thiserror.workspace = true
 tracing.workspace = true
-rayon.workspace = true
-pin-project.workspace = true
-tokio = { workspace = true, features = ["sync"] }
 
 [dev-dependencies]
 reth-tracing = { path = "../../tracing" }

crates/rpc/rpc-builder/src/auth.rs

@@ -17,7 +17,7 @@ use reth_provider::{
 use reth_rpc::{
     eth::{cache::EthStateCache, gas_oracle::GasPriceOracle},
     AuthLayer, Claims, EngineEthApi, EthApi, EthFilter, EthSubscriptionIdProvider,
-    JwtAuthValidator, JwtSecret,
+    JwtAuthValidator, JwtSecret, TracingCallPool,
 };
 use reth_rpc_api::{servers::*, EngineApiServer};
 use reth_tasks::TaskSpawner;
@@ -64,6 +64,7 @@ where
         gas_oracle,
         EthConfig::default().rpc_gas_cap,
         Box::new(executor.clone()),
+        TracingCallPool::build().expect("failed to build tracing pool"),
     );
     let eth_filter = EthFilter::new(
         provider,

crates/rpc/rpc-builder/src/eth.rs

@@ -4,7 +4,7 @@ use reth_rpc::{
         gas_oracle::GasPriceOracleConfig,
         RPC_DEFAULT_GAS_CAP,
     },
-    EthApi, EthFilter, EthPubSub,
+    EthApi, EthFilter, EthPubSub, TracingCallPool,
 };
 use serde::{Deserialize, Serialize};
 
@@ -25,6 +25,8 @@ pub struct EthHandlers<Provider, Pool, Network, Events> {
     pub filter: EthFilter<Provider, Pool>,
     /// Handler for subscriptions only available for transports that support it (ws, ipc)
     pub pubsub: EthPubSub<Provider, Pool, Events, Network>,
+    /// The configured tracing call pool
+    pub tracing_call_pool: TracingCallPool,
 }
 
 /// Additional config values for the eth namespace

crates/rpc/rpc-builder/src/lib.rs

@@ -122,7 +122,8 @@ use reth_rpc::{
         gas_oracle::GasPriceOracle,
     },
     AdminApi, DebugApi, EngineEthApi, EthApi, EthFilter, EthPubSub, EthSubscriptionIdProvider,
-    NetApi, OtterscanApi, RPCApi, RethApi, TraceApi, TracingCallGuard, TxPoolApi, Web3Api,
+    NetApi, OtterscanApi, RPCApi, RethApi, TraceApi, TracingCallGuard, TracingCallPool, TxPoolApi,
+    Web3Api,
 };
 use reth_rpc_api::{servers::*, EngineApiServer};
 use reth_tasks::{TaskSpawner, TokioTaskExecutor};
@@ -154,9 +155,6 @@ mod eth;
 /// Common RPC constants.
 pub mod constants;
 
-/// Additional support for tracing related rpc calls
-pub mod tracing_pool;
-
 // Rpc server metrics
 mod metrics;
 
@@ -816,15 +814,9 @@ where
         let eth = self.eth_handlers();
         self.modules.insert(
             RethRpcModule::Trace,
-            TraceApi::new(
-                self.provider.clone(),
-                eth.api.clone(),
-                eth.cache,
-                Box::new(self.executor.clone()),
-                self.tracing_call_guard.clone(),
-            )
-            .into_rpc()
-            .into(),
+            TraceApi::new(self.provider.clone(), eth.api.clone(), self.tracing_call_guard.clone())
+                .into_rpc()
+                .into(),
         );
         self
     }
@@ -895,8 +887,13 @@ where
         &mut self,
         namespaces: impl Iterator<Item = RethRpcModule>,
     ) -> Vec<Methods> {
-        let EthHandlers { api: eth_api, cache: eth_cache, filter: eth_filter, pubsub: eth_pubsub } =
-            self.with_eth(|eth| eth.clone());
+        let EthHandlers {
+            api: eth_api,
+            filter: eth_filter,
+            pubsub: eth_pubsub,
+            cache: _,
+            tracing_call_pool: _,
+        } = self.with_eth(|eth| eth.clone());
 
         // Create a copy, so we can list out all the methods for rpc_ api
         let namespaces: Vec<_> = namespaces.collect();
@@ -933,8 +930,6 @@ where
                         RethRpcModule::Trace => TraceApi::new(
                             self.provider.clone(),
                             eth_api.clone(),
-                            eth_cache.clone(),
-                            Box::new(self.executor.clone()),
                             self.tracing_call_guard.clone(),
                         )
                         .into_rpc()
@@ -997,6 +992,7 @@ where
             );
 
             let executor = Box::new(self.executor.clone());
+            let tracing_call_pool = TracingCallPool::build().expect("failed to build tracing pool");
             let api = EthApi::with_spawner(
                 self.provider.clone(),
                 self.pool.clone(),
@@ -1005,6 +1001,7 @@ where
                 gas_oracle,
                 self.config.eth.rpc_gas_cap,
                 executor.clone(),
+                tracing_call_pool.clone(),
             );
             let filter = EthFilter::new(
                 self.provider.clone(),
@@ -1022,7 +1019,7 @@ where
                 executor,
             );
 
-            let eth = EthHandlers { api, cache, filter, pubsub };
+            let eth = EthHandlers { api, cache, filter, pubsub, tracing_call_pool };
             self.eth = Some(eth);
         }
         f(self.eth.as_ref().expect("exists; qed"))

crates/rpc/rpc/Cargo.toml

@@ -48,6 +48,7 @@ tower = "0.4"
 tokio-stream = { workspace = true, features = ["sync"] }
 tokio-util = "0.7"
 pin-project.workspace = true
+rayon.workspace = true
 
 bytes.workspace = true
 secp256k1 = { workspace = true, features = ["global-context", "rand-std", "recovery"] }