Add the telemetry feature to the op-rbuilder

Author: therustmonk

Cargo.lock

@@ -88,6 +88,13 @@ tokio-tungstenite = "0.26.2"
 rand = "0.9.0"
 tracing-subscriber = { version = "0.3.18", features = ["env-filter", "json"] }
 
+# OpenTelemetry dependencies
+opentelemetry = { version = "0.29.1", optional = true }
+opentelemetry_sdk = { version = "0.29", optional = true }
+opentelemetry-otlp = { version = "0.29.0", optional = true, features = ["grpc-tonic"] }
+opentelemetry-semantic-conventions = { version = "0.29.0", optional = true }
+tracing-opentelemetry = { version = "0.30.0", optional = true }
+
 # `flashblocks` branch
 rollup-boost = { git = "http://github.com/flashbots/rollup-boost", rev = "60885346d4cf7f241de82790478195747433d472" }
 
@@ -118,6 +125,14 @@ min-trace-logs = ["tracing/release_max_level_trace"]
 integration = []
 flashblocks = []
 
+telemetry = [
+	"opentelemetry",
+	"opentelemetry_sdk",
+	"opentelemetry-otlp",
+	"opentelemetry-semantic-conventions",
+	"tracing-opentelemetry",
+]
+
 [[bin]]
 name = "op-rbuilder"
 path = "src/main.rs"

crates/op-rbuilder/Cargo.toml

@@ -41,4 +41,16 @@ pub struct OpRbuilderArgs {
     /// Signals whether to log pool transaction events
     #[arg(long = "builder.log-pool-transactions", default_value = "false")]
     pub log_pool_transactions: bool,
+    /// OpenTelemetry endpoint for metrics
+    #[cfg(feature = "telemetry")]
+    #[arg(long, value_name = "TRACING")]
+    pub tracing: bool,
+    /// OpenTelemetry endpoint for metrics
+    #[cfg(feature = "telemetry")]
+    #[arg(
+        long,
+        value_name = "TRACING_ENDPOINT",
+        default_value = "http://localhost:4317"
+    )]
+    pub tracing_endpoint: String,
 }