pub fn new_full(mut config: Configuration) -> Result<TaskManager, ServiceError> {
    let sc_service::PartialComponents {
        client,
        backend,
        mut task_manager,
        keystore_container,
        select_chain,
        import_queue,
        transaction_pool,
        inherent_data_providers,
        other: (rpc_extensions_builder, import_setup, rpc_setup)
    } = new_partial(&config)?;

    let role = config.role.clone();
    let force_authoring = config.force_authoring;
    let disable_grandpa = config.disable_grandpa;
    let name = config.network.node_name.clone();
    let backoff_authoring_blocks =
        Some(sc_consensus_slots::BackoffAuthoringOnFinalizedHeadLagging::default());
    let prometheus_registry = config.prometheus_registry().cloned();

    let shared_voter_state = rpc_setup;

    config.network.extra_sets.push(sc_finality_grandpa::grandpa_peers_set_config());

    let (network, network_status_sinks, system_rpc_tx, network_starter) =
        sc_service::build_network(sc_service::BuildNetworkParams {
            config: &config,
            client: client.clone(),
            transaction_pool: transaction_pool.clone(),
            spawn_handle: task_manager.spawn_handle(),
            import_queue,
            on_demand: None,
            block_announce_validator_builder: None,
        })?;

    if config.offchain_worker.enabled {
        sc_service::build_offchain_workers(
            &config, backend.clone(), task_manager.spawn_handle(), client.clone(), network.clone(),
        );
    }

    let (_rpc_handlers, telemetry_connection_notifier) = sc_service::spawn_tasks(sc_service::SpawnTasksParams {
        config,
        backend: backend.clone(),
        client: client.clone(),
        keystore: keystore_container.sync_keystore(),
        network: network.clone(),
        rpc_extensions_builder: Box::new(rpc_extensions_builder),
        transaction_pool: transaction_pool.clone(),
        task_manager: &mut task_manager,
        on_demand: None,
        remote_blockchain: None,
        network_status_sinks,
        system_rpc_tx,
    })?;

    let (babe_block_import, grandpa_link, babe_link) = import_setup;

    if role.is_authority() {
        let proposer =
            sc_basic_authorship::ProposerFactory::new(
                task_manager.spawn_handle(),
                client.clone(),
                transaction_pool,
                prometheus_registry.as_ref(),
            );

        let can_author_with =
            sp_consensus::CanAuthorWithNativeVersion::new(client.executor().clone());

        let babe_config = sc_consensus_babe::BabeParams {
            keystore: keystore_container.sync_keystore(),
            client: client.clone(),
            select_chain,
            env: proposer,
            block_import: babe_block_import,
            sync_oracle: network.clone(),
            inherent_data_providers: inherent_data_providers.clone(),
            force_authoring,
            backoff_authoring_blocks,
            babe_link,
            can_author_with,
        };

        let babe = sc_consensus_babe::start_babe(babe_config)?;

        // the BABE authoring task is considered essential, i.e. if it
        // fails we take down the service with it.
        task_manager.spawn_essential_handle().spawn_blocking("babe", babe);

        // Authority discovery: this module runs to promise authorities' connection
        use sc_network::Event;
        use futures::StreamExt;

        let authority_discovery_role = if role.is_authority() {
            sc_authority_discovery::Role::PublishAndDiscover(
                keystore_container.keystore(),
            )
        } else {
            // don't publish our addresses when we're only a collator
            sc_authority_discovery::Role::Discover
        };
        let dht_event_stream = network.event_stream("authority-discovery")
            .filter_map(|e| async move {
                match e {
                    Event::Dht(e) => Some(e),
                    _ => None,
                }
            });
        let (worker, _service) = sc_authority_discovery::new_worker_and_service(
            client.clone(),
            network.clone(),
            Box::pin(dht_event_stream),
            authority_discovery_role,
            prometheus_registry.clone(),
        );

        task_manager.spawn_handle().spawn("authority-discovery-worker", worker.run());
    }

    // 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 role.is_authority() {
        Some(keystore_container.sync_keystore())
    } else {
        None
    };

    let grandpa_config = sc_finality_grandpa::Config {
        // FIXME: [Substrate]substrate/issues#1578 make this available through chain spec
        gossip_duration: Duration::from_millis(1000),
        justification_period: 512,
        name: Some(name),
        observer_enabled: false,
        keystore,
        is_authority: role.is_network_authority(),
    };

    if !disable_grandpa {
        // start the full GRANDPA voter
        // NOTE: unlike in substrate we are currently running the full
        // GRANDPA voter protocol for all full nodes (regardless of whether
        // they're validators or not). at this point the full voter should
        // provide better guarantees of block and vote data availability than
        // the observer.

        // add a custom voting rule to temporarily stop voting for new blocks
        // after the given pause block is finalized and restarting after the
        // given delay.
        let grandpa_config = sc_finality_grandpa::GrandpaParams {
            config: grandpa_config,
            link: grandpa_link,
            network: network.clone(),
            telemetry_on_connect: telemetry_connection_notifier.map(|x| x.on_connect_stream()),
            voting_rule: sc_finality_grandpa::VotingRulesBuilder::default().build(),
            prometheus_registry,
            shared_voter_state,
        };

        // the GRANDPA voter task is considered infallible, i.e.
        // if it fails we take down the service with it.
        task_manager.spawn_essential_handle().spawn_blocking(
            "grandpa-voter",
            sc_finality_grandpa::run_grandpa_voter(grandpa_config)?,
        );
    }

    network_starter.start_network();

    Ok(task_manager)
}
/// Builds a new service for a full client.
Builds a new service for a full client.
Builds a new service for a full client .
pub fn new_full(mut config: Configuration) -> Result<TaskManager, ServiceError> {
    let sc_service::PartialComponents {
        client,
        backend,
        mut task_manager,
        keystore_container,
        select_chain,
        import_queue,
        transaction_pool,
        inherent_data_providers,
        other: (rpc_extensions_builder, import_setup, rpc_setup)
    } = new_partial(&config)?;
    let role = config.role.clone();
    let force_authoring = config.force_authoring;
    let disable_grandpa = config.disable_grandpa;
    let name = config.network.node_name.clone();
    let backoff_authoring_blocks =
        Some(sc_consensus_slots::BackoffAuthoringOnFinalizedHeadLagging::default());
    let prometheus_registry = config.prometheus_registry().cloned();
    let shared_voter_state = rpc_setup;
    config.network.extra_sets.push(sc_finality_grandpa::grandpa_peers_set_config());
    let (network, network_status_sinks, system_rpc_tx, network_starter) =
        sc_service::build_network(sc_service::BuildNetworkParams {
            config: &config,
            client: client.clone(),
            transaction_pool: transaction_pool.clone(),
            spawn_handle: task_manager.spawn_handle(),
            import_queue,
            on_demand: None,
            block_announce_validator_builder: None,
        })?;
    if config.offchain_worker.enabled {
        sc_service::build_offchain_workers(
            &config, backend.clone(), task_manager.spawn_handle(), client.clone(), network.clone(),
        );
    }
    let (_rpc_handlers, telemetry_connection_notifier) = sc_service::spawn_tasks(sc_service::SpawnTasksParams {
        config,
        backend: backend.clone(),
        client: client.clone(),
        keystore: keystore_container.sync_keystore(),
        network: network.clone(),
        rpc_extensions_builder: Box::new(rpc_extensions_builder),
        transaction_pool: transaction_pool.clone(),
        task_manager: &mut task_manager,
        on_demand: None,
        remote_blockchain: None,
        network_status_sinks,
        system_rpc_tx,
    })?;
    let (babe_block_import, grandpa_link, babe_link) = import_setup;
    if role.is_authority() {
        let proposer =
            sc_basic_authorship::ProposerFactory::new(
                task_manager.spawn_handle(),
                client.clone(),
                transaction_pool,
                prometheus_registry.as_ref(),
            );
        let can_author_with =
            sp_consensus::CanAuthorWithNativeVersion::new(client.executor().clone());
        let babe_config = sc_consensus_babe::BabeParams {
            keystore: keystore_container.sync_keystore(),
            client: client.clone(),
            select_chain,
            env: proposer,
            block_import: babe_block_import,
            sync_oracle: network.clone(),
            inherent_data_providers: inherent_data_providers.clone(),
            force_authoring,
            backoff_authoring_blocks,
            babe_link,
            can_author_with,
        };
        let babe = sc_consensus_babe::start_babe(babe_config)?;
        // the BABE authoring task is considered essential, i.e. if it
        // fails we take down the service with it.
        task_manager.spawn_essential_handle().spawn_blocking("babe", babe);
        // Authority discovery: this module runs to promise authorities' connection
        use sc_network::Event;
        use futures::StreamExt;
        let authority_discovery_role = if role.is_authority() {
            sc_authority_discovery::Role::PublishAndDiscover(
                keystore_container.keystore(),
            )
        } else {
            // don't publish our addresses when we're only a collator
            sc_authority_discovery::Role::Discover
        };
        let dht_event_stream = network.event_stream("authority-discovery")
            .filter_map(|e| async move {
                match e {
                    Event::Dht(e) => Some(e),
                    _ => None,
                }
            });
        let (worker, _service) = sc_authority_discovery::new_worker_and_service(
            client.clone(),
            network.clone(),
            Box::pin(dht_event_stream),
            authority_discovery_role,
            prometheus_registry.clone(),
        );
        task_manager.spawn_handle().spawn("authority-discovery-worker", worker.run());
    }
    // 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 role.is_authority() {
        Some(keystore_container.sync_keystore())
    } else {
        None
    };
    let grandpa_config = sc_finality_grandpa::Config {
        // FIXME: [Substrate]substrate/issues#1578 make this available through chain spec
        gossip_duration: Duration::from_millis(1000),
        justification_period: 512,
        name: Some(name),
        observer_enabled: false,
        keystore,
        is_authority: role.is_network_authority(),
    };
    if !disable_grandpa {
        // start the full GRANDPA voter
        // NOTE: unlike in substrate we are currently running the full
        // GRANDPA voter protocol for all full nodes (regardless of whether
        // they're validators or not). at this point the full voter should
        // provide better guarantees of block and vote data availability than
        // the observer.
        // add a custom voting rule to temporarily stop voting for new blocks
        // after the given pause block is finalized and restarting after the
        // given delay.
        let grandpa_config = sc_finality_grandpa::GrandpaParams {
            config: grandpa_config,
            link: grandpa_link,
            network: network.clone(),
            telemetry_on_connect: telemetry_connection_notifier.map(|x| x.on_connect_stream()),
            voting_rule: sc_finality_grandpa::VotingRulesBuilder::default().build(),
            prometheus_registry,
            shared_voter_state,
        };
        // the GRANDPA voter task is considered infallible, i.e.
        // if it fails we take down the service with it.
        task_manager.spawn_essential_handle().spawn_blocking(
            "grandpa-voter",
            sc_finality_grandpa::run_grandpa_voter(grandpa_config)?,
        );
    }
    network_starter.start_network();
    Ok(task_manager)
}
pub fn new_full ( mut config : Configuration ) -> Result < TaskManager , ServiceError > { let sc_service :: PartialComponents { client , backend , mut task_manager , keystore_container , select_chain , import_queue , transaction_pool , inherent_data_providers , other : ( rpc_extensions_builder , import_setup , rpc_setup ) } = new_partial ( & config ) ? ; let role = config . role . clone ( ) ; let force_authoring = config . force_authoring ; let disable_grandpa = config . disable_grandpa ; let name = config . network . node_name . clone ( ) ; let backoff_authoring_blocks = Some ( sc_consensus_slots :: BackoffAuthoringOnFinalizedHeadLagging :: default ( ) ) ; let prometheus_registry = config . prometheus_registry ( ) . cloned ( ) ; let shared_voter_state = rpc_setup ; config . network . extra_sets . push ( sc_finality_grandpa :: grandpa_peers_set_config ( ) ) ; let ( network , network_status_sinks , system_rpc_tx , network_starter ) = sc_service :: build_network ( sc_service :: BuildNetworkParams { config : & config , client : client . clone ( ) , transaction_pool : transaction_pool . clone ( ) , spawn_handle : task_manager . spawn_handle ( ) , import_queue , on_demand : None , block_announce_validator_builder : None , } ) ? ; if config . offchain_worker . enabled { sc_service :: build_offchain_workers ( & config , backend . clone ( ) , task_manager . spawn_handle ( ) , client . clone ( ) , network . clone ( ) , ) ; } let ( _rpc_handlers , telemetry_connection_notifier ) = sc_service :: spawn_tasks ( sc_service :: SpawnTasksParams { config , backend : backend . clone ( ) , client : client . clone ( ) , keystore : keystore_container . sync_keystore ( ) , network : network . clone ( ) , rpc_extensions_builder : Box :: new ( rpc_extensions_builder ) , transaction_pool : transaction_pool . clone ( ) , task_manager : & mut task_manager , on_demand : None , remote_blockchain : None , network_status_sinks , system_rpc_tx , } ) ? ; let ( babe_block_import , grandpa_link , babe_link ) = import_setup ; if role . is_authority ( ) { let proposer = sc_basic_authorship :: ProposerFactory :: new ( task_manager . spawn_handle ( ) , client . clone ( ) , transaction_pool , prometheus_registry . as_ref ( ) , ) ; let can_author_with = sp_consensus :: CanAuthorWithNativeVersion :: new ( client . executor ( ) . clone ( ) ) ; let babe_config = sc_consensus_babe :: BabeParams { keystore : keystore_container . sync_keystore ( ) , client : client . clone ( ) , select_chain , env : proposer , block_import : babe_block_import , sync_oracle : network . clone ( ) , inherent_data_providers : inherent_data_providers . clone ( ) , force_authoring , backoff_authoring_blocks , babe_link , can_author_with , } ; let babe = sc_consensus_babe :: start_babe ( babe_config ) ? ; // the BABE authoring task is considered essential, i.e. if it // fails we take down the service with it. task_manager . spawn_essential_handle ( ) . spawn_blocking ( " " , babe ) ; // Authority discovery: this module runs to promise authorities' connection use sc_network :: Event ; use futures :: StreamExt ; let authority_discovery_role = if role . is_authority ( ) { sc_authority_discovery :: Role :: PublishAndDiscover ( keystore_container . keystore ( ) , ) } else { // don't publish our addresses when we're only a collator sc_authority_discovery :: Role :: Discover } ; let dht_event_stream = network . event_stream ( " " ) . filter_map ( | e | async move { match e { Event :: Dht ( e ) => Some ( e ) , _ => None , } } ) ; let ( worker , _service ) = sc_authority_discovery :: new_worker_and_service ( client . clone ( ) , network . clone ( ) , Box :: pin ( dht_event_stream ) , authority_discovery_role , prometheus_registry . clone ( ) , ) ; task_manager . spawn_handle ( ) . spawn ( " " , worker . run ( ) ) ; } // 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 role . is_authority ( ) { Some ( keystore_container . sync_keystore ( ) ) } else { None } ; let grandpa_config = sc_finality_grandpa :: Config { // FIXME: [Substrate]substrate/issues#1578 make this available through chain spec gossip_duration : Duration :: from_millis ( 1000 ) , justification_period : 512 , name : Some ( name ) , observer_enabled : false , keystore , is_authority : role . is_network_authority ( ) , } ; if ! disable_grandpa { // start the full GRANDPA voter // NOTE: unlike in substrate we are currently running the full // GRANDPA voter protocol for all full nodes (regardless of whether // they're validators or not). at this point the full voter should // provide better guarantees of block and vote data availability than // the observer. // add a custom voting rule to temporarily stop voting for new blocks // after the given pause block is finalized and restarting after the // given delay. let grandpa_config = sc_finality_grandpa :: GrandpaParams { config : grandpa_config , link : grandpa_link , network : network . clone ( ) , telemetry_on_connect : telemetry_connection_notifier . map ( | x | x . on_connect_stream ( ) ) , voting_rule : sc_finality_grandpa :: VotingRulesBuilder :: default ( ) . build ( ) , prometheus_registry , shared_voter_state , } ; // the GRANDPA voter task is considered infallible, i.e. // if it fails we take down the service with it. task_manager . spawn_essential_handle ( ) . spawn_blocking ( " " , sc_finality_grandpa :: run_grandpa_voter ( grandpa_config ) ? , ) ; } network_starter . start_network ( ) ; Ok ( task_manager ) }
Builds a new service for a full client.
Builds a new service for a full client .
config
Configuration
config
Configuration