git.delta.rocks / unique-network / refs/commits / d9a94fdfefd5

difftreelog

refactor merge with new node template

Yaroslav Bolyukin2021-03-31parent: #de5a81f.patch.diff
in: master

6 files changed

modifiednode/src/chain_spec.rsdiffbeforeafterboth
--- a/node/src/chain_spec.rs
+++ b/node/src/chain_spec.rs
@@ -3,19 +3,18 @@
 // file 'LICENSE', which is part of this source code package.
 //
 
-// use nft_runtime::{
-//     AccountId, AuraConfig, BalancesConfig, GenesisConfig, GrandpaConfig, Signature, SudoConfig,
-//     SystemConfig, WASM_BINARY,
-// };
-// use nft_runtime::{ContractsConfig, ContractsSchedule, NftConfig, CollectionType};
 use nft_runtime::*;
-use sc_service::ChainType;
+use sp_core::{Pair, Public, sr25519};
+use nft_runtime::{
+	AccountId, AuraConfig, BalancesConfig, EVMConfig, EthereumConfig, GenesisConfig, GrandpaConfig,
+	SudoConfig, SystemConfig, WASM_BINARY, Signature
+};
 use sp_consensus_aura::sr25519::AuthorityId as AuraId;
-use sp_core::{sr25519, Pair, Public};
 use sp_finality_grandpa::AuthorityId as GrandpaId;
-use sp_runtime::traits::{IdentifyAccount, Verify};
+use sp_runtime::traits::{Verify, IdentifyAccount};
+use sc_service::ChainType;
 use serde_json::map::Map;
-// use crate::chain_spec::api::chain_extension::*;
+use std::collections::BTreeMap;
 
 // Note this is the URL for the telemetry server
 //const STAGING_TELEMETRY_URL: &str = "wss://telemetry.polkadot.io/submit/";
@@ -25,9 +24,9 @@
 
 /// Helper function to generate a crypto pair from seed
 pub fn get_from_seed<TPublic: Public>(seed: &str) -> <TPublic::Pair as Pair>::Public {
-    TPublic::Pair::from_string(&format!("//{}", seed), None)
-        .expect("static values are valid; qed")
-        .public()
+	TPublic::Pair::from_string(&format!("//{}", seed), None)
+		.expect("static values are valid; qed")
+		.public()
 }
 
 type AccountPublic = <Signature as Verify>::Signer;
@@ -35,14 +34,14 @@
 /// Helper function to generate an account ID from seed
 pub fn get_account_id_from_seed<TPublic: Public>(seed: &str) -> AccountId
 where
-    AccountPublic: From<<TPublic::Pair as Pair>::Public>,
+	AccountPublic: From<<TPublic::Pair as Pair>::Public>,
 {
-    AccountPublic::from(get_from_seed::<TPublic>(seed)).into_account()
+	AccountPublic::from(get_from_seed::<TPublic>(seed)).into_account()
 }
 
 /// Helper function to generate an authority key for Aura
 pub fn authority_keys_from_seed(s: &str) -> (AuraId, GrandpaId) {
-    (get_from_seed::<AuraId>(s), get_from_seed::<GrandpaId>(s))
+	(get_from_seed::<AuraId>(s), get_from_seed::<GrandpaId>(s))
 }
 
 pub fn development_config() -> Result<ChainSpec, String> {
@@ -138,88 +137,92 @@
 }
 
 fn testnet_genesis(
-    wasm_binary: &[u8],
-    initial_authorities: Vec<(AuraId, GrandpaId)>,
-    root_key: AccountId,
-    endowed_accounts: Vec<AccountId>,
-    enable_println: bool,
+	wasm_binary: &[u8],
+	initial_authorities: Vec<(AuraId, GrandpaId)>,
+	root_key: AccountId,
+	endowed_accounts: Vec<AccountId>,
+	enable_println: bool,
 ) -> GenesisConfig {
 
 	let vested_accounts = vec![
 		get_account_id_from_seed::<sr25519::Public>("Bob"),
 	];
 
-    GenesisConfig {
-        system: Some(SystemConfig {
-            code: wasm_binary.to_vec(),
-            changes_trie_config: Default::default(),
-        }),
-        pallet_balances: Some(BalancesConfig {
-            balances: endowed_accounts
-                .iter()
-                .cloned()
-                .map(|k| (k, 1 << 100))
-                .collect(),
-        }),
-        pallet_aura: Some(AuraConfig {
-            authorities: initial_authorities.iter().map(|x| (x.0.clone())).collect(),
-        }),
-		pallet_grandpa: Some(GrandpaConfig {
-            authorities: initial_authorities
-                .iter()
-                .map(|x| (x.1.clone(), 1))
-                .collect(),
-		}),
-		pallet_treasury: Some(Default::default()),
-		pallet_sudo: Some(SudoConfig { key: root_key }),
-		pallet_vesting: Some(VestingConfig {
-            vesting: vested_accounts
-                .iter()
-                .cloned()
-                .map(|k| (k, 1000, 100, 1 << 98))
-                .collect(),
-        }),
-        pallet_nft: Some(NftConfig {
-            collection_id: vec![(
-                1,
-                Collection {
-                    owner: get_account_id_from_seed::<sr25519::Public>("Alice"),
-                    mode: CollectionMode::NFT,
-                    access: AccessMode::Normal,
-                    decimal_points: 0,
-                    name: vec![],
-                    description: vec![],
-                    token_prefix: vec![],
-                    mint_mode: false,
+	GenesisConfig {
+		system: SystemConfig {
+			code: wasm_binary.to_vec(),
+			changes_trie_config: Default::default(),
+		},
+		pallet_balances: BalancesConfig {
+			balances: endowed_accounts
+				.iter()
+				.cloned()
+				.map(|k| (k, 1 << 100))
+				.collect(),
+		},
+		pallet_aura: AuraConfig {
+			authorities: initial_authorities.iter().map(|x| (x.0.clone())).collect(),
+		},
+		pallet_grandpa: GrandpaConfig {
+			authorities: initial_authorities
+				.iter()
+				.map(|x| (x.1.clone(), 1))
+				.collect(),
+		},
+		pallet_treasury: Default::default(),
+		pallet_sudo: SudoConfig { key: root_key },
+		pallet_vesting: VestingConfig {
+			vesting: vested_accounts
+				.iter()
+				.cloned()
+				.map(|k| (k, 1000, 100, 1 << 98))
+				.collect(),
+		},
+		pallet_nft: NftConfig {
+			collection_id: vec![(
+				1,
+				Collection {
+					owner: get_account_id_from_seed::<sr25519::Public>("Alice"),
+					mode: CollectionMode::NFT,
+					access: AccessMode::Normal,
+					decimal_points: 0,
+					name: vec![],
+					description: vec![],
+					token_prefix: vec![],
+					mint_mode: false,
 					offchain_schema: vec![],
 					schema_version: SchemaVersion::default(),
-                    sponsorship: SponsorshipState::Confirmed(get_account_id_from_seed::<sr25519::Public>("Alice")),
-                    const_on_chain_schema: vec![],
+					sponsorship: SponsorshipState::Confirmed(get_account_id_from_seed::<sr25519::Public>("Alice")),
+					const_on_chain_schema: vec![],
 					variable_on_chain_schema: vec![],
 					limits: CollectionLimits::default()
-                },
-            )],
-            nft_item_id: vec![],
-            fungible_item_id: vec![],
-            refungible_item_id: vec![],
-            chain_limit: ChainLimits {
-                collection_numbers_limit: 100000,
-                account_token_ownership_limit: 1000000,
-                collections_admins_limit: 5,
-                custom_data_limit: 2048,
-                nft_sponsor_transfer_timeout: 15,
-                fungible_sponsor_transfer_timeout: 15,
+				},
+			)],
+			nft_item_id: vec![],
+			fungible_item_id: vec![],
+			refungible_item_id: vec![],
+			chain_limit: ChainLimits {
+				collection_numbers_limit: 100000,
+				account_token_ownership_limit: 1000000,
+				collections_admins_limit: 5,
+				custom_data_limit: 2048,
+				nft_sponsor_transfer_timeout: 15,
+				fungible_sponsor_transfer_timeout: 15,
 				refungible_sponsor_transfer_timeout: 15,
 				offchain_schema_limit: 1024,
 				variable_on_chain_schema_limit: 1024,
 				const_on_chain_schema_limit: 1024,
-            },
-        }),
-        pallet_contracts: Some(ContractsConfig {
-            current_schedule: ContractsSchedule {
-                enable_println,
-                ..Default::default()
-            },
-        }),
-    }
+			},
+		},
+		pallet_contracts: ContractsConfig {
+			current_schedule: ContractsSchedule {
+				enable_println,
+				..Default::default()
+			},
+		},
+		pallet_evm: EVMConfig {
+			accounts: BTreeMap::new(),
+		},
+		pallet_ethereum: EthereumConfig {},
+	}
 }
modifiednode/src/command.rsdiffbeforeafterboth
--- a/node/src/command.rs
+++ b/node/src/command.rs
@@ -75,7 +75,7 @@
 			let runner = cli.create_runner(cmd)?;
 			runner.async_run(|config| {
 				let PartialComponents { client, task_manager, import_queue, ..}
-					= service::new_partial(&config)?;
+					= service::new_partial(&config, &cli)?;
 				Ok((cmd.run(client, import_queue), task_manager))
 			})
 		},
@@ -83,7 +83,7 @@
 			let runner = cli.create_runner(cmd)?;
 			runner.async_run(|config| {
 				let PartialComponents { client, task_manager, ..}
-					= service::new_partial(&config)?;
+					= service::new_partial(&config, &cli)?;
 				Ok((cmd.run(client, config.database), task_manager))
 			})
 		},
@@ -91,7 +91,7 @@
 			let runner = cli.create_runner(cmd)?;
 			runner.async_run(|config| {
 				let PartialComponents { client, task_manager, ..}
-					= service::new_partial(&config)?;
+					= service::new_partial(&config, &cli)?;
 				Ok((cmd.run(client, config.chain_spec), task_manager))
 			})
 		},
@@ -99,7 +99,7 @@
 			let runner = cli.create_runner(cmd)?;
 			runner.async_run(|config| {
 				let PartialComponents { client, task_manager, import_queue, ..}
-					= service::new_partial(&config)?;
+					= service::new_partial(&config, &cli)?;
 				Ok((cmd.run(client, import_queue), task_manager))
 			})
 		},
@@ -111,7 +111,7 @@
 			let runner = cli.create_runner(cmd)?;
 			runner.async_run(|config| {
 				let PartialComponents { client, task_manager, backend, ..}
-					= service::new_partial(&config)?;
+					= service::new_partial(&config, &cli)?;
 				Ok((cmd.run(client, backend), task_manager))
 			})
 		},
@@ -130,7 +130,7 @@
 			runner.run_node_until_exit(|config| async move {
 				match config.role {
 					Role::Light => service::new_light(config),
-					_ => service::new_full(config),
+					_ => service::new_full(config, &cli),
 				}.map_err(sc_cli::Error::Service)
 			})
 		}
deletednode/src/lib.rsdiffbeforeafterboth
--- a/node/src/lib.rs
+++ /dev/null
@@ -1,3 +0,0 @@
-pub mod chain_spec;
-pub mod service;
-pub mod rpc;
modifiednode/src/main.rsdiffbeforeafterboth
--- a/node/src/main.rs
+++ b/node/src/main.rs
@@ -14,5 +14,5 @@
 mod rpc;
 
 fn main() -> sc_cli::Result<()> {
-    command::run()
+	command::run()
 }
modifiednode/src/rpc.rsdiffbeforeafterboth
--- a/node/src/rpc.rs
+++ b/node/src/rpc.rs
@@ -3,17 +3,38 @@
 //! used by Substrate nodes. This file extends those RPC definitions with
 //! capabilities that are specific to this project's runtime configuration.
 
-#![warn(missing_docs)]
-
 use std::sync::Arc;
 
-use nft_runtime::{opaque::Block, AccountId, Balance, Index, BlockNumber};
+use std::collections::BTreeMap;
+use fc_rpc_core::types::{PendingTransactions, FilterPool};
+use nft_runtime::{Hash, AccountId, Index, opaque::Block, Balance};
 use sp_api::ProvideRuntimeApi;
 use sp_blockchain::{Error as BlockChainError, HeaderMetadata, HeaderBackend};
+use sc_client_api::{
+	backend::{StorageProvider, Backend, StateBackend, AuxStore},
+	client::BlockchainEvents
+};
+use sc_rpc::SubscriptionTaskExecutor;
+use sp_runtime::traits::BlakeTwo256;
 use sp_block_builder::BlockBuilder;
-pub use sc_rpc_api::DenyUnsafe;
+use sc_rpc_api::DenyUnsafe;
 use sp_transaction_pool::TransactionPool;
-use pallet_contracts_rpc::{Contracts, ContractsApi};
+use sc_network::NetworkService;
+use jsonrpc_pubsub::manager::SubscriptionManager;
+use pallet_ethereum::EthereumStorageSchema;
+use fc_rpc::{StorageOverride, SchemaV1Override};
+
+/// Light client extra dependencies.
+pub struct LightDeps<C, F, P> {
+	/// The client instance to use.
+	pub client: Arc<C>,
+	/// Transaction pool instance.
+	pub pool: Arc<P>,
+	/// Remote access to the blockchain (async).
+	pub remote_blockchain: Arc<dyn sc_client_api::light::RemoteBlockchain<Block>>,
+	/// Fetcher instance.
+	pub fetcher: Arc<F>,
+}
 
 /// Full client dependencies.
 pub struct FullDeps<C, P> {
@@ -23,47 +44,155 @@
 	pub pool: Arc<P>,
 	/// Whether to deny unsafe calls
 	pub deny_unsafe: DenyUnsafe,
+	/// The Node authority flag
+	pub is_authority: bool,
+	/// Whether to enable dev signer
+	pub enable_dev_signer: bool,
+	/// Network service
+	pub network: Arc<NetworkService<Block, Hash>>,
+	/// Ethereum pending transactions.
+	pub pending_transactions: PendingTransactions,
+	/// EthFilterApi pool.
+	pub filter_pool: Option<FilterPool>,
+	/// Backend.
+	pub backend: Arc<fc_db::Backend<Block>>,
 }
 
 /// Instantiate all full RPC extensions.
-pub fn create_full<C, P>(
+pub fn create_full<C, P, BE>(
 	deps: FullDeps<C, P>,
+	subscription_task_executor: SubscriptionTaskExecutor
 ) -> jsonrpc_core::IoHandler<sc_rpc::Metadata> where
-	C: ProvideRuntimeApi<Block>,
-	C: HeaderBackend<Block> + HeaderMetadata<Block, Error=BlockChainError> + 'static,
+	BE: Backend<Block> + 'static,
+	BE::State: StateBackend<BlakeTwo256>,
+	C: ProvideRuntimeApi<Block> + StorageProvider<Block, BE> + AuxStore,
+	C: BlockchainEvents<Block>,
+	C: HeaderBackend<Block> + HeaderMetadata<Block, Error=BlockChainError>,
 	C: Send + Sync + 'static,
 	C::Api: substrate_frame_rpc_system::AccountNonceApi<Block, AccountId, Index>,
-	C::Api: pallet_transaction_payment_rpc::TransactionPaymentRuntimeApi<Block, Balance>,
 	C::Api: BlockBuilder<Block>,
-	C::Api: pallet_contracts_rpc::ContractsRuntimeApi<Block, AccountId, Balance, BlockNumber>,
-	P: TransactionPool + 'static,
+	C::Api: pallet_transaction_payment_rpc::TransactionPaymentRuntimeApi<Block, Balance>,
+	C::Api: fp_rpc::EthereumRuntimeRPCApi<Block>,
+	P: TransactionPool<Block=Block> + 'static,
 {
 	use substrate_frame_rpc_system::{FullSystem, SystemApi};
 	use pallet_transaction_payment_rpc::{TransactionPayment, TransactionPaymentApi};
+	use fc_rpc::{
+		EthApi, EthApiServer, EthFilterApi, EthFilterApiServer, NetApi, NetApiServer,
+		EthPubSubApi, EthPubSubApiServer, Web3Api, Web3ApiServer, EthDevSigner, EthSigner,
+		HexEncodedIdProvider,
+	};
 
 	let mut io = jsonrpc_core::IoHandler::default();
 	let FullDeps {
 		client,
 		pool,
 		deny_unsafe,
+		is_authority,
+		network,
+		pending_transactions,
+		filter_pool,
+		backend,
+		enable_dev_signer,
 	} = deps;
 
 	io.extend_with(
-		SystemApi::to_delegate(FullSystem::new(client.clone(), pool, deny_unsafe))
+		SystemApi::to_delegate(FullSystem::new(client.clone(), pool.clone(), deny_unsafe))
 	);
 
 	io.extend_with(
 		TransactionPaymentApi::to_delegate(TransactionPayment::new(client.clone()))
 	);
 
-    io.extend_with(
-        ContractsApi::to_delegate(Contracts::new(client.clone()))
+	// io.extend_with(
+	// 	ContractsApi::to_delegate(Contracts::new(client.clone()))
+	// );
+
+	let mut signers = Vec::new();
+	if enable_dev_signer {
+		signers.push(Box::new(EthDevSigner::new()) as Box<dyn EthSigner>);
+	}
+	let mut overrides = BTreeMap::new();
+	overrides.insert(
+		EthereumStorageSchema::V1,
+		Box::new(SchemaV1Override::new(client.clone())) as Box<dyn StorageOverride<_> + Send + Sync>
+	);
+	io.extend_with(
+		EthApiServer::to_delegate(EthApi::new(
+			client.clone(),
+			pool.clone(),
+			nft_runtime::TransactionConverter,
+			network.clone(),
+			pending_transactions.clone(),
+			signers,
+			overrides,
+			backend,
+			is_authority,
+		))
+	);
+
+	if let Some(filter_pool) = filter_pool {
+		io.extend_with(
+			EthFilterApiServer::to_delegate(EthFilterApi::new(
+				client.clone(),
+				filter_pool.clone(),
+				500 as usize, // max stored filters
+			))
+		);
+	}
+
+	io.extend_with(
+		NetApiServer::to_delegate(NetApi::new(
+			client.clone(),
+			network.clone(),
+		))
 	);
-		
-	// Extend this RPC with a custom API by using the following syntax.
-	// `YourRpcStruct` should have a reference to a client, which is needed
-	// to call into the runtime.
-	// `io.extend_with(YourRpcTrait::to_delegate(YourRpcStruct::new(ReferenceToClient, ...)));`
 
+	io.extend_with(
+		Web3ApiServer::to_delegate(Web3Api::new(
+			client.clone(),
+		))
+	);
+
+	io.extend_with(
+		EthPubSubApiServer::to_delegate(EthPubSubApi::new(
+			pool.clone(),
+			client.clone(),
+			network.clone(),
+			SubscriptionManager::<HexEncodedIdProvider>::with_id_provider(
+				HexEncodedIdProvider::default(),
+				Arc::new(subscription_task_executor)
+			),
+		))
+	);
+
+	io
+}
+
+/// Instantiate all Light RPC extensions.
+pub fn create_light<C, P, M, F>(
+	deps: LightDeps<C, F, P>,
+) -> jsonrpc_core::IoHandler<M> where
+	C: sp_blockchain::HeaderBackend<Block>,
+	C: Send + Sync + 'static,
+	F: sc_client_api::light::Fetcher<Block> + 'static,
+	P: TransactionPool + 'static,
+	M: jsonrpc_core::Metadata + Default,
+{
+	use substrate_frame_rpc_system::{LightSystem, SystemApi};
+
+	let LightDeps {
+		client,
+		pool,
+		remote_blockchain,
+		fetcher
+	} = deps;
+	let mut io = jsonrpc_core::IoHandler::default();
+	io.extend_with(
+		SystemApi::<Hash, AccountId, Index>::to_delegate(
+			LightSystem::new(client, remote_blockchain, fetcher, pool)
+		)
+	);
+
 	io
 }
modifiednode/src/service.rsdiffbeforeafterboth
before · node/src/service.rs
1//! Service and ServiceFactory implementation. Specialized wrapper over substrate service.23//4// This file is subject to the terms and conditions defined in5// file 'LICENSE', which is part of this source code package.6//78use std::sync::Arc;9use std::time::Duration;10use sc_client_api::{ExecutorProvider, RemoteBackend};11use nft_runtime::{self, opaque::Block, RuntimeApi};12use sc_service::{error::Error as ServiceError, Configuration, TaskManager};13use sp_inherents::InherentDataProviders;14use sc_executor::native_executor_instance;15pub use sc_executor::NativeExecutor;16use sp_consensus_aura::sr25519::{AuthorityPair as AuraPair};17use sc_finality_grandpa::SharedVoterState;18use sc_keystore::LocalKeystore;1920// Our native executor instance.21native_executor_instance!(22	pub Executor,23	nft_runtime::api::dispatch,24	nft_runtime::native_version,25	frame_benchmarking::benchmarking::HostFunctions,26);2728type FullClient = sc_service::TFullClient<Block, RuntimeApi, Executor>;29type FullBackend = sc_service::TFullBackend<Block>;30type FullSelectChain = sc_consensus::LongestChain<FullBackend, Block>;3132pub fn new_partial(config: &Configuration) -> Result<sc_service::PartialComponents<33	FullClient, FullBackend, FullSelectChain,34	sp_consensus::DefaultImportQueue<Block, FullClient>,35	sc_transaction_pool::FullPool<Block, FullClient>,36	(37		sc_consensus_aura::AuraBlockImport<38			Block,39			FullClient,40			sc_finality_grandpa::GrandpaBlockImport<FullBackend, Block, FullClient, FullSelectChain>,41			AuraPair42		>,43		sc_finality_grandpa::LinkHalf<Block, FullClient, FullSelectChain>,44	)45>, ServiceError> {46	if config.keystore_remote.is_some() {47		return Err(ServiceError::Other(48			format!("Remote Keystores are not supported.")))49	}50	let inherent_data_providers = sp_inherents::InherentDataProviders::new();5152	let (client, backend, keystore_container, task_manager) =53		sc_service::new_full_parts::<Block, RuntimeApi, Executor>(&config)?;54	let client = Arc::new(client);5556	let select_chain = sc_consensus::LongestChain::new(backend.clone());5758	let transaction_pool = sc_transaction_pool::BasicPool::new_full(59		config.transaction_pool.clone(),60		config.role.is_authority().into(),61		config.prometheus_registry(),62		task_manager.spawn_handle(),63		client.clone(),64	);6566	let (grandpa_block_import, grandpa_link) = sc_finality_grandpa::block_import(67		client.clone(), &(client.clone() as Arc<_>), select_chain.clone(),68	)?;6970	let aura_block_import = sc_consensus_aura::AuraBlockImport::<_, _, _, AuraPair>::new(71		grandpa_block_import.clone(), client.clone(),72	);7374	let import_queue = sc_consensus_aura::import_queue::<_, _, _, AuraPair, _, _>(75		sc_consensus_aura::slot_duration(&*client)?,76		aura_block_import.clone(),77		Some(Box::new(grandpa_block_import.clone())),78		client.clone(),79		inherent_data_providers.clone(),80		&task_manager.spawn_handle(),81		config.prometheus_registry(),82		sp_consensus::CanAuthorWithNativeVersion::new(client.executor().clone()),83	)?;8485	Ok(sc_service::PartialComponents {86		client, backend, task_manager, import_queue, keystore_container, select_chain, transaction_pool,87		inherent_data_providers,88		other: (aura_block_import, grandpa_link),89	})90}9192fn remote_keystore(_url: &String) -> Result<Arc<LocalKeystore>, &'static str> {93	// FIXME: here would the concrete keystore be built,94	//        must return a concrete type (NOT `LocalKeystore`) that95	//        implements `CryptoStore` and `SyncCryptoStore`96	Err("Remote Keystore not supported.")97}9899/// Builds a new service for a full client.100pub fn new_full(mut config: Configuration) -> Result<TaskManager, ServiceError> {101	let sc_service::PartialComponents {102		client, backend, mut task_manager, import_queue, mut keystore_container, select_chain, transaction_pool,103		inherent_data_providers,104		other: (block_import, grandpa_link),105	} = new_partial(&config)?;106107	if let Some(url) = &config.keystore_remote {108		match remote_keystore(url) {109			Ok(k) => keystore_container.set_remote_keystore(k),110			Err(e) => {111				return Err(ServiceError::Other(112					format!("Error hooking up remote keystore for {}: {}", url, e)))113			}114		};115	}116117	config.network.extra_sets.push(sc_finality_grandpa::grandpa_peers_set_config());118119	let (network, network_status_sinks, system_rpc_tx, network_starter) =120		sc_service::build_network(sc_service::BuildNetworkParams {121			config: &config,122			client: client.clone(),123			transaction_pool: transaction_pool.clone(),124			spawn_handle: task_manager.spawn_handle(),125			import_queue,126			on_demand: None,127			block_announce_validator_builder: None,128		})?;129130	if config.offchain_worker.enabled {131		sc_service::build_offchain_workers(132			&config, backend.clone(), task_manager.spawn_handle(), client.clone(), network.clone(),133		);134	}135136	let role = config.role.clone();137	let force_authoring = config.force_authoring;138	let backoff_authoring_blocks: Option<()> = None;139	let name = config.network.node_name.clone();140	let enable_grandpa = !config.disable_grandpa;141	let prometheus_registry = config.prometheus_registry().cloned();142143	let rpc_extensions_builder = {144		let client = client.clone();145		let pool = transaction_pool.clone();146147		Box::new(move |deny_unsafe, _| {148			let deps = crate::rpc::FullDeps {149				client: client.clone(),150				pool: pool.clone(),151				deny_unsafe,152			};153154			crate::rpc::create_full(deps)155		})156	};157158	let (_rpc_handlers, telemetry_connection_notifier) = sc_service::spawn_tasks(159		sc_service::SpawnTasksParams {160			network: network.clone(),161			client: client.clone(),162			keystore: keystore_container.sync_keystore(),163			task_manager: &mut task_manager,164			transaction_pool: transaction_pool.clone(),165			rpc_extensions_builder,166			on_demand: None,167			remote_blockchain: None,168			backend,169			network_status_sinks,170			system_rpc_tx,171			config,172		},173	)?;174175	if role.is_authority() {176		let proposer = sc_basic_authorship::ProposerFactory::new(177			task_manager.spawn_handle(),178			client.clone(),179			transaction_pool,180			prometheus_registry.as_ref(),181		);182183		let can_author_with =184			sp_consensus::CanAuthorWithNativeVersion::new(client.executor().clone());185186		let aura = sc_consensus_aura::start_aura::<_, _, _, _, _, AuraPair, _, _, _, _>(187			sc_consensus_aura::slot_duration(&*client)?,188			client.clone(),189			select_chain,190			block_import,191			proposer,192			network.clone(),193			inherent_data_providers.clone(),194			force_authoring,195			backoff_authoring_blocks,196			keystore_container.sync_keystore(),197			can_author_with,198		)?;199200		// the AURA authoring task is considered essential, i.e. if it201		// fails we take down the service with it.202		task_manager.spawn_essential_handle().spawn_blocking("aura", aura);203	}204205	// if the node isn't actively participating in consensus then it doesn't206	// need a keystore, regardless of which protocol we use below.207	let keystore = if role.is_authority() {208		Some(keystore_container.sync_keystore())209	} else {210		None211	};212213	let grandpa_config = sc_finality_grandpa::Config {214		// FIXME #1578 make this available through chainspec215		gossip_duration: Duration::from_millis(333),216		justification_period: 512,217		name: Some(name),218		observer_enabled: false,219		keystore,220		is_authority: role.is_network_authority(),221	};222223	if enable_grandpa {224		// start the full GRANDPA voter225		// NOTE: non-authorities could run the GRANDPA observer protocol, but at226		// this point the full voter should provide better guarantees of block227		// and vote data availability than the observer. The observer has not228		// been tested extensively yet and having most nodes in a network run it229		// could lead to finality stalls.230		let grandpa_config = sc_finality_grandpa::GrandpaParams {231			config: grandpa_config,232			link: grandpa_link,233			network,234			telemetry_on_connect: telemetry_connection_notifier.map(|x| x.on_connect_stream()),235			voting_rule: sc_finality_grandpa::VotingRulesBuilder::default().build(),236			prometheus_registry,237			shared_voter_state: SharedVoterState::empty(),238		};239240		// the GRANDPA voter task is considered infallible, i.e.241		// if it fails we take down the service with it.242		task_manager.spawn_essential_handle().spawn_blocking(243			"grandpa-voter",244			sc_finality_grandpa::run_grandpa_voter(grandpa_config)?245		);246	}247248	network_starter.start_network();249	Ok(task_manager)250}251/// Builds a new service for a light client.252pub fn new_light(mut config: Configuration) -> Result<TaskManager, ServiceError> {253	let (client, backend, keystore_container, mut task_manager, on_demand) =254		sc_service::new_light_parts::<Block, RuntimeApi, Executor>(&config)?;255256	config.network.extra_sets.push(sc_finality_grandpa::grandpa_peers_set_config());257258	let select_chain = sc_consensus::LongestChain::new(backend.clone());259260	let transaction_pool = Arc::new(sc_transaction_pool::BasicPool::new_light(261		config.transaction_pool.clone(),262		config.prometheus_registry(),263		task_manager.spawn_handle(),264		client.clone(),265		on_demand.clone(),266	));267268	let (grandpa_block_import, _) = sc_finality_grandpa::block_import(269		client.clone(),270		&(client.clone() as Arc<_>),271		select_chain.clone(),272	)?;273274	let aura_block_import = sc_consensus_aura::AuraBlockImport::<_, _, _, AuraPair>::new(275		grandpa_block_import.clone(),276		client.clone(),277	);278279	let import_queue = sc_consensus_aura::import_queue::<_, _, _, AuraPair, _, _>(280		sc_consensus_aura::slot_duration(&*client)?,281		aura_block_import,282		Some(Box::new(grandpa_block_import)),283		client.clone(),284		InherentDataProviders::new(),285		&task_manager.spawn_handle(),286		config.prometheus_registry(),287		sp_consensus::NeverCanAuthor,288	)?;289290	let (network, network_status_sinks, system_rpc_tx, network_starter) =291		sc_service::build_network(sc_service::BuildNetworkParams {292			config: &config,293			client: client.clone(),294			transaction_pool: transaction_pool.clone(),295			spawn_handle: task_manager.spawn_handle(),296			import_queue,297			on_demand: Some(on_demand.clone()),298			block_announce_validator_builder: None,299		})?;300301	if config.offchain_worker.enabled {302		sc_service::build_offchain_workers(303			&config, backend.clone(), task_manager.spawn_handle(), client.clone(), network.clone(),304		);305	}306307	sc_service::spawn_tasks(sc_service::SpawnTasksParams {308		remote_blockchain: Some(backend.remote_blockchain()),309		transaction_pool,310		task_manager: &mut task_manager,311		on_demand: Some(on_demand),312		rpc_extensions_builder: Box::new(|_, _| ()),313		config,314		client,315		keystore: keystore_container.sync_keystore(),316		backend,317		network,318		network_status_sinks,319		system_rpc_tx,320	})?;321322	network_starter.start_network();323324	Ok(task_manager)325}