PVF: Add Secure Validator Mode (#2486)

Co-authored-by: Javier Viola <javier@parity.io>

polkadot/node/core/candidate-validation/src/lib.rs

@@ -88,6 +88,8 @@ pub struct Config {
 	pub artifacts_cache_path: PathBuf,
 	/// The version of the node. `None` can be passed to skip the version check (only for tests).
 	pub node_version: Option<String>,
+	/// Whether the node is attempting to run as a secure validator.
+	pub secure_validator_mode: bool,
 	/// Path to the preparation worker binary
 	pub prep_worker_path: PathBuf,
 	/// Path to the execution worker binary
@@ -133,12 +135,19 @@ async fn run<Context>(
 	mut ctx: Context,
 	metrics: Metrics,
 	pvf_metrics: polkadot_node_core_pvf::Metrics,
-	Config { artifacts_cache_path, node_version, prep_worker_path, exec_worker_path }: Config,
+	Config {
+		artifacts_cache_path,
+		node_version,
+		secure_validator_mode,
+		prep_worker_path,
+		exec_worker_path,
+	}: Config,
 ) -> SubsystemResult<()> {
 	let (validation_host, task) = polkadot_node_core_pvf::start(
 		polkadot_node_core_pvf::Config::new(
 			artifacts_cache_path,
 			node_version,
+			secure_validator_mode,
 			prep_worker_path,
 			exec_worker_path,
 		),