Companion PR to splitting Roles

cli/src/command.rs

@@ -151,8 +151,8 @@ where
 		TLightClient<R, D>
 	>,
 {
-	match config.roles {
-		service::Roles::LIGHT =>
+	match config.role {
+		service::Role::Light =>
 			sc_cli::run_service_until_exit(
 				config,
 				|config| service::new_light::<R, D, E>(config),

collator/src/lib.rs

@@ -64,7 +64,7 @@ use polkadot_primitives::{
 };
 use polkadot_cli::{
 	ProvideRuntimeApi, AbstractService, ParachainHost, IsKusama,
-	service::{self, Roles}
+	service::{self, Role}
 };
 pub use polkadot_cli::{VersionInfo, load_spec, service::Configuration};
 pub use polkadot_validation::SignedStatement;
@@ -344,8 +344,8 @@ where
 	<P::ParachainContext as ParachainContext>::ProduceCandidate: Send,
 {
 	let is_kusama = config.expect_chain_spec().is_kusama();
-	match (is_kusama, config.roles) {
-		(_, Roles::LIGHT) => return Err(
+	match (is_kusama, &config.role) {
+		(_, Role::Light) => return Err(
 			polkadot_service::Error::Other("light nodes are unsupported as collator".into())
 		).into(),
 		(true, _) =>
@@ -389,8 +389,8 @@ pub fn run_collator<P>(
 	P::ParachainContext: Send + 'static,
 	<P::ParachainContext as ParachainContext>::ProduceCandidate: Send,
 {
-	match (config.expect_chain_spec().is_kusama(), config.roles) {
-		(_, Roles::LIGHT) => return Err(
+	match (config.expect_chain_spec().is_kusama(), &config.role) {
+		(_, Role::Light) => return Err(
 			polkadot_cli::Error::Input("light nodes are unsupported as collator".into())
 		).into(),
 		(true, _) =>

network/src/legacy/gossip/mod.rs

@@ -51,7 +51,7 @@
 
 use sp_runtime::traits::{BlakeTwo256, Hash as HashT};
 use sp_blockchain::Error as ClientError;
-use sc_network::{config::Roles, PeerId, ReputationChange};
+use sc_network::{ObservedRole, PeerId, ReputationChange};
 use sc_network::NetworkService;
 use sc_network_gossip::{
 	ValidationResult as GossipValidationResult,
@@ -635,7 +635,7 @@ impl<C: ChainContext + ?Sized> MessageValidator<C> {
 }
 
 impl<C: ChainContext + ?Sized> sc_network_gossip::Validator<Block> for MessageValidator<C> {
-	fn new_peer(&self, _context: &mut dyn ValidatorContext<Block>, who: &PeerId, _roles: Roles) {
+	fn new_peer(&self, _context: &mut dyn ValidatorContext<Block>, who: &PeerId, _roles: ObservedRole) {
 		let mut inner = self.inner.write();
 		inner.peers.insert(who.clone(), PeerData::default());
 	}
@@ -833,7 +833,7 @@ mod tests {
 		let peer_a = PeerId::random();
 
 		let mut validator_context = MockValidatorContext::default();
-		validator.new_peer(&mut validator_context, &peer_a, Roles::FULL);
+		validator.new_peer(&mut validator_context, &peer_a, ObservedRole::Full);
 		assert!(validator_context.events.is_empty());
 		validator_context.clear();
 
@@ -911,7 +911,7 @@ mod tests {
 		let peer_a = PeerId::random();
 
 		let mut validator_context = MockValidatorContext::default();
-		validator.new_peer(&mut validator_context, &peer_a, Roles::FULL);
+		validator.new_peer(&mut validator_context, &peer_a, ObservedRole::Full);
 		assert!(validator_context.events.is_empty());
 		validator_context.clear();
 
@@ -953,7 +953,7 @@ mod tests {
 		let peer_a = PeerId::random();
 
 		let mut validator_context = MockValidatorContext::default();
-		validator.new_peer(&mut validator_context, &peer_a, Roles::FULL);
+		validator.new_peer(&mut validator_context, &peer_a, ObservedRole::Full);
 		assert!(validator_context.events.is_empty());
 		validator_context.clear();
 
@@ -1007,7 +1007,7 @@ mod tests {
 		let peer_a = PeerId::random();
 
 		let mut validator_context = MockValidatorContext::default();
-		validator.new_peer(&mut validator_context, &peer_a, Roles::FULL);
+		validator.new_peer(&mut validator_context, &peer_a, ObservedRole::Full);
 		assert!(validator_context.events.is_empty());
 		validator_context.clear();
 
@@ -1099,7 +1099,7 @@ mod tests {
 		let peer_a = PeerId::random();
 
 		let mut validator_context = MockValidatorContext::default();
-		validator.new_peer(&mut validator_context, &peer_a, Roles::FULL);
+		validator.new_peer(&mut validator_context, &peer_a, ObservedRole::Full);
 		assert!(validator_context.events.is_empty());
 		validator_context.clear();
 

network/src/protocol/mod.rs

@@ -41,7 +41,7 @@ use polkadot_validation::{
 	SharedTable, TableRouter, Network as ParachainNetwork, Validated, GenericStatement, Collators,
 	SignedStatement,
 };
-use sc_network::{config::Roles, Event, PeerId};
+use sc_network::{ObservedRole, Event, PeerId};
 use sp_api::ProvideRuntimeApi;
 use sp_runtime::ConsensusEngineId;
 
@@ -72,7 +72,7 @@ mod tests;
 // Messages from the service API or network adapter.
 enum ServiceToWorkerMsg {
 	// basic peer messages.
-	PeerConnected(PeerId, Roles),
+	PeerConnected(PeerId, ObservedRole),
 	PeerMessage(PeerId, Vec<bytes::Bytes>),
 	PeerDisconnected(PeerId),
 
@@ -255,11 +255,11 @@ pub fn start<C, Api, SP>(
 				Event::NotificationStreamOpened {
 					remote,
 					engine_id,
-					roles,
+					role,
 				} => {
 					if engine_id != POLKADOT_ENGINE_ID { continue }
 
-					worker_sender.send(ServiceToWorkerMsg::PeerConnected(remote, roles)).await
+					worker_sender.send(ServiceToWorkerMsg::PeerConnected(remote, role)).await
 				},
 				Event::NotificationStreamClosed {
 					remote,
@@ -496,8 +496,8 @@ impl ProtocolHandler {
 		}
 	}
 
-	fn on_connect(&mut self, peer: PeerId, roles: Roles) {
-		let claimed_validator = roles.contains(Roles::AUTHORITY);
+	fn on_connect(&mut self, peer: PeerId, role: ObservedRole) {
+		let claimed_validator = matches!(role, ObservedRole::OurSentry | ObservedRole::OurGuardedAuthority | ObservedRole::Authority);
 
 		self.peers.insert(peer.clone(), PeerData {
 			claimed_validator,

network/src/protocol/tests.rs

@@ -189,7 +189,7 @@ sp_api::mock_impl_runtime_apis! {
 }
 
 impl super::Service<MockNetworkOps> {
-	async fn connect_peer(&mut self, peer: PeerId, roles: Roles) {
+	async fn connect_peer(&mut self, peer: PeerId, roles: ObservedRole) {
 		self.sender.send(ServiceToWorkerMsg::PeerConnected(peer, roles)).await.unwrap();
 	}
 
@@ -373,7 +373,7 @@ fn validator_peer_cleaned_up() {
 
 	pool.spawner().spawn_local(worker_task).unwrap();
 	pool.run_until(async move {
-		service.connect_peer(peer.clone(), Roles::AUTHORITY).await;
+		service.connect_peer(peer.clone(), ObservedRole::Authority).await;
 		service.peer_message(peer.clone(), Message::Status(Status {
 			version: VERSION,
 			collating_for: None,
@@ -433,7 +433,7 @@ fn validator_key_spillover_cleaned() {
 
 	pool.spawner().spawn_local(worker_task).unwrap();
 	pool.run_until(async move {
-		service.connect_peer(peer.clone(), Roles::AUTHORITY).await;
+		service.connect_peer(peer.clone(), ObservedRole::Authority).await;
 		service.peer_message(peer.clone(), Message::Status(Status {
 			version: VERSION,
 			collating_for: None,

network/test/src/lib.rs

@@ -22,7 +22,7 @@ mod block_import;
 use std::{collections::HashMap, pin::Pin, sync::Arc, marker::PhantomData, task::{Poll, Context as FutureContext}};
 
 use log::trace;
-use sc_network::config::{build_multiaddr, FinalityProofProvider};
+use sc_network::config::{build_multiaddr, FinalityProofProvider, Role};
 use sp_blockchain::{
 	Result as ClientResult, well_known_cache_keys::{self, Id as CacheKeyId}, Info as BlockchainInfo,
 };
@@ -35,7 +35,6 @@ use sc_client_api::{
 };
 use sc_block_builder::{BlockBuilder, BlockBuilderProvider};
 use sc_client::LongestChain;
-use sc_network::config::Roles;
 use sp_consensus::block_validation::DefaultBlockAnnounceValidator;
 use sp_consensus::import_queue::{
 	BasicQueue, BoxJustificationImport, Verifier, BoxFinalityProofImport,
@@ -524,22 +523,21 @@ pub trait TestNetFactory: Sized {
 	/// Create new test network with this many peers.
 	fn new(n: usize) -> Self {
 		trace!(target: "test_network", "Creating test network");
-		let config = Self::default_config();
-		let mut net = Self::from_config(&config);
+		let mut net = Self::from_config(&Default::default());
 
 		for i in 0..n {
 			trace!(target: "test_network", "Adding peer {}", i);
-			net.add_full_peer(&config);
+			net.add_full_peer();
 		}
 		net
 	}
 
-	fn add_full_peer(&mut self, config: &ProtocolConfig) {
-		self.add_full_peer_with_states(config, None)
+	fn add_full_peer(&mut self,) {
+		self.add_full_peer_with_states(None)
 	}
 
 	/// Add a full peer.
-	fn add_full_peer_with_states(&mut self, config: &ProtocolConfig, keep_blocks: Option<u32>) {
+	fn add_full_peer_with_states(&mut self, keep_blocks: Option<u32>) {
 		let test_client_builder = match keep_blocks {
 			Some(keep_blocks) => TestClientBuilder::with_pruning_window(keep_blocks),
 			None => TestClientBuilder::with_default_backend(),
@@ -558,7 +556,7 @@ pub trait TestNetFactory: Sized {
 
 		let verifier = self.make_verifier(
 			PeersClient::Full(client.clone(), backend.clone()),
-			config,
+			&Default::default(),
 			&data,
 		);
 		let verifier = VerifierAdapter::new(Arc::new(Mutex::new(Box::new(verifier) as Box<_>)));
@@ -573,7 +571,7 @@ pub trait TestNetFactory: Sized {
 		let listen_addr = build_multiaddr![Memory(rand::random::<u64>())];
 
 		let network = NetworkWorker::new(sc_network::config::Params {
-			roles: config.roles,
+			role: Role::Full,
 			executor: None,
 			network_config: NetworkConfiguration {
 				listen_addresses: vec![listen_addr.clone()],
@@ -616,10 +614,7 @@ pub trait TestNetFactory: Sized {
 	}
 
 	/// Add a light peer.
-	fn add_light_peer(&mut self, config: &ProtocolConfig) {
-		let mut config = config.clone();
-		config.roles = Roles::LIGHT;
-
+	fn add_light_peer(&mut self) {
 		let (c, backend) = polkadot_test_runtime_client::new_light();
 		let client = Arc::new(c);
 		let (
@@ -632,7 +627,7 @@ pub trait TestNetFactory: Sized {
 
 		let verifier = self.make_verifier(
 			PeersClient::Light(client.clone(), backend.clone()),
-			&config,
+			&Default::default(),
 			&data,
 		);
 		let verifier = VerifierAdapter::new(Arc::new(Mutex::new(Box::new(verifier) as Box<_>)));
@@ -647,7 +642,7 @@ pub trait TestNetFactory: Sized {
 		let listen_addr = build_multiaddr![Memory(rand::random::<u64>())];
 
 		let network = NetworkWorker::new(sc_network::config::Params {
-			roles: config.roles,
+			role: Role::Full,
 			executor: None,
 			network_config: NetworkConfiguration {
 				listen_addresses: vec![listen_addr.clone()],

service/src/lib.rs

@@ -31,7 +31,7 @@ use inherents::InherentDataProviders;
 use sc_executor::native_executor_instance;
 use log::info;
 pub use service::{
-	AbstractService, Roles, PruningMode, TransactionPoolOptions, Error, RuntimeGenesis, ServiceBuilderCommand,
+	AbstractService, Role, PruningMode, TransactionPoolOptions, Error, RuntimeGenesis, ServiceBuilderCommand,
 	TFullClient, TLightClient, TFullBackend, TLightBackend, TFullCallExecutor, TLightCallExecutor,
 	Configuration, ChainSpec,
 };
@@ -314,7 +314,8 @@ pub fn new_full<Runtime, Dispatch, Extrinsic>(
 	use futures::stream::StreamExt;
 
 	let is_collator = collating_for.is_some();
-	let is_authority = config.roles.is_authority() && !is_collator;
+	let role = config.role.clone();
+	let is_authority = role.is_authority() && !is_collator;
 	let force_authoring = config.force_authoring;
 	let max_block_data_size = max_block_data_size;
 	let db_path = if let DatabaseConfig::Path { ref path, .. } = config.expect_database() {
@@ -325,14 +326,8 @@ pub fn new_full<Runtime, Dispatch, Extrinsic>(
 	let disable_grandpa = config.disable_grandpa;
 	let name = config.name.clone();
 	let authority_discovery_enabled = authority_discovery_enabled;
-	let sentry_nodes = config.network.sentry_nodes.clone();
 	let slot_duration = slot_duration;
 
-	// sentry nodes announce themselves as authorities to the network
-	// and should run the same protocols authorities do, but it should
-	// never actively participate in any consensus process.
-	let participates_in_consensus = is_authority && !config.sentry_mode;
-
 	let (builder, mut import_setup, inherent_data_providers) = new_full_start!(config, Runtime, Dispatch);
 
 	let backend = builder.backend().clone();
@@ -388,7 +383,7 @@ pub fn new_full<Runtime, Dispatch, Extrinsic>(
 		service.spawn_task_handle(),
 	).map_err(|e| format!("Could not spawn network worker: {:?}", e))?;
 
-	if participates_in_consensus {
+	if let Role::Authority { sentry_nodes } = &role {
 		let availability_store = {
 			use std::path::PathBuf;
 
@@ -470,7 +465,7 @@ pub fn new_full<Runtime, Dispatch, Extrinsic>(
 			let authority_discovery = authority_discovery::AuthorityDiscovery::new(
 				service.client(),
 				network,
-				sentry_nodes,
+				sentry_nodes.clone(),
 				service.keystore(),
 				dht_event_stream,
 				service.prometheus_registry(),
@@ -481,7 +476,7 @@ pub fn new_full<Runtime, Dispatch, Extrinsic>(
 
 	// if the node isn't actively participating in consensus then it doesn't
 	// need a keystore, regardless of which protocol we use below.
-	let keystore = if participates_in_consensus {
+	let keystore = if is_authority {
 		Some(service.keystore())
 	} else {
 		None
@@ -494,7 +489,7 @@ pub fn new_full<Runtime, Dispatch, Extrinsic>(
 		name: Some(name),
 		observer_enabled: false,
 		keystore,
-		is_authority,
+		is_authority: role.is_network_authority(),
 	};
 
 	let enable_grandpa = !disable_grandpa;