Struct polkadot_node_subsystem_types::DefaultSubsystemClient

pub struct DefaultSubsystemClient<Client> { /* private fields */ }

Default implementation of RuntimeApiSubsystemClient using the client.

Implementations

impl<Client> DefaultSubsystemClient<Client>

pub fn new( client: Arc<Client>, offchain_transaction_pool_factory: OffchainTransactionPoolFactory<Block> ) -> Self

Create new instance.

Trait Implementations

impl<Client> RuntimeApiSubsystemClient for DefaultSubsystemClient<Client>where Client: ProvideRuntimeApi<Block> + Send + Sync, Client::Api: ParachainHost<Block> + BabeApi<Block> + AuthorityDiscoveryApi<Block>,

fn staging_async_backing_params<'life0, 'async_trait>( &'life0 self, at: Hash ) -> Pin<Box<dyn Future<Output = Result<AsyncBackingParams, ApiError>> + Send + 'async_trait>>where Self: 'async_trait, 'life0: 'async_trait,

Returns candidate’s acceptance limitations for asynchronous backing for a relay parent.

fn validators<'life0, 'async_trait>( &'life0 self, at: Hash ) -> Pin<Box<dyn Future<Output = Result<Vec<ValidatorId>, ApiError>> + Send + 'async_trait>>where Self: 'async_trait, 'life0: 'async_trait,

Get the current validators.

fn validator_groups<'life0, 'async_trait>( &'life0 self, at: Hash ) -> Pin<Box<dyn Future<Output = Result<(Vec<Vec<ValidatorIndex>>, GroupRotationInfo<BlockNumber>), ApiError>> + Send + 'async_trait>>where Self: 'async_trait, 'life0: 'async_trait,

Returns the validator groups and rotation info localized based on the hypothetical child of a block whose state this is invoked on. Note that now in the GroupRotationInfo should be the successor of the number of the block.

fn availability_cores<'life0, 'async_trait>( &'life0 self, at: Hash ) -> Pin<Box<dyn Future<Output = Result<Vec<CoreState<Hash, BlockNumber>>, ApiError>> + Send + 'async_trait>>where Self: 'async_trait, 'life0: 'async_trait,

Yields information on all availability cores as relevant to the child block. Cores are either free or occupied. Free cores can have paras assigned to them.

fn persisted_validation_data<'life0, 'async_trait>( &'life0 self, at: Hash, para_id: Id, assumption: OccupiedCoreAssumption ) -> Pin<Box<dyn Future<Output = Result<Option<PersistedValidationData<Hash, BlockNumber>>, ApiError>> + Send + 'async_trait>>where Self: 'async_trait, 'life0: 'async_trait,

Yields the persisted validation data for the given ParaId along with an assumption that should be used if the para currently occupies a core.

fn assumed_validation_data<'life0, 'async_trait>( &'life0 self, at: Hash, para_id: Id, expected_persisted_validation_data_hash: Hash ) -> Pin<Box<dyn Future<Output = Result<Option<(PersistedValidationData<Hash, BlockNumber>, ValidationCodeHash)>, ApiError>> + Send + 'async_trait>>where Self: 'async_trait, 'life0: 'async_trait,

Returns the persisted validation data for the given ParaId along with the corresponding validation code hash. Instead of accepting assumption about the para, matches the validation data hash against an expected one and yields None if they’re not equal.

fn check_validation_outputs<'life0, 'async_trait>( &'life0 self, at: Hash, para_id: Id, outputs: CandidateCommitments ) -> Pin<Box<dyn Future<Output = Result<bool, ApiError>> + Send + 'async_trait>>where Self: 'async_trait, 'life0: 'async_trait,

Checks if the given validation outputs pass the acceptance criteria.

fn session_index_for_child<'life0, 'async_trait>( &'life0 self, at: Hash ) -> Pin<Box<dyn Future<Output = Result<SessionIndex, ApiError>> + Send + 'async_trait>>where Self: 'async_trait, 'life0: 'async_trait,

Returns the session index expected at a child of the block.

fn validation_code<'life0, 'async_trait>( &'life0 self, at: Hash, para_id: Id, assumption: OccupiedCoreAssumption ) -> Pin<Box<dyn Future<Output = Result<Option<ValidationCode>, ApiError>> + Send + 'async_trait>>where Self: 'async_trait, 'life0: 'async_trait,

Fetch the validation code used by a para, making the given OccupiedCoreAssumption.

fn candidate_pending_availability<'life0, 'async_trait>( &'life0 self, at: Hash, para_id: Id ) -> Pin<Box<dyn Future<Output = Result<Option<CommittedCandidateReceipt<Hash>>, ApiError>> + Send + 'async_trait>>where Self: 'async_trait, 'life0: 'async_trait,

Get the receipt of a candidate pending availability. This returns Some for any paras assigned to occupied cores in availability_cores and None otherwise.

fn candidate_events<'life0, 'async_trait>( &'life0 self, at: Hash ) -> Pin<Box<dyn Future<Output = Result<Vec<CandidateEvent<Hash>>, ApiError>> + Send + 'async_trait>>where Self: 'async_trait, 'life0: 'async_trait,

Get a vector of events concerning candidates that occurred within a block.

fn dmq_contents<'life0, 'async_trait>( &'life0 self, at: Hash, recipient: Id ) -> Pin<Box<dyn Future<Output = Result<Vec<InboundDownwardMessage<BlockNumber>>, ApiError>> + Send + 'async_trait>>where Self: 'async_trait, 'life0: 'async_trait,

Get all the pending inbound messages in the downward message queue for a para.

fn inbound_hrmp_channels_contents<'life0, 'async_trait>( &'life0 self, at: Hash, recipient: Id ) -> Pin<Box<dyn Future<Output = Result<BTreeMap<Id, Vec<InboundHrmpMessage<BlockNumber>>>, ApiError>> + Send + 'async_trait>>where Self: 'async_trait, 'life0: 'async_trait,

Get the contents of all channels addressed to the given recipient. Channels that have no messages in them are also included.

fn validation_code_by_hash<'life0, 'async_trait>( &'life0 self, at: Hash, hash: ValidationCodeHash ) -> Pin<Box<dyn Future<Output = Result<Option<ValidationCode>, ApiError>> + Send + 'async_trait>>where Self: 'async_trait, 'life0: 'async_trait,

Get the validation code from its hash.

fn on_chain_votes<'life0, 'async_trait>( &'life0 self, at: Hash ) -> Pin<Box<dyn Future<Output = Result<Option<ScrapedOnChainVotes<Hash>>, ApiError>> + Send + 'async_trait>>where Self: 'async_trait, 'life0: 'async_trait,

Scrape dispute relevant from on-chain, backing votes and resolved disputes.

fn session_executor_params<'life0, 'async_trait>( &'life0 self, at: Hash, session_index: SessionIndex ) -> Pin<Box<dyn Future<Output = Result<Option<ExecutorParams>, ApiError>> + Send + 'async_trait>>where Self: 'async_trait, 'life0: 'async_trait,

Get the execution environment parameter set by parent hash, if stored

fn session_info<'life0, 'async_trait>( &'life0 self, at: Hash, index: SessionIndex ) -> Pin<Box<dyn Future<Output = Result<Option<SessionInfo>, ApiError>> + Send + 'async_trait>>where Self: 'async_trait, 'life0: 'async_trait,

Get the session info for the given session, if stored.

fn submit_pvf_check_statement<'life0, 'async_trait>( &'life0 self, at: Hash, stmt: PvfCheckStatement, signature: ValidatorSignature ) -> Pin<Box<dyn Future<Output = Result<(), ApiError>> + Send + 'async_trait>>where Self: 'async_trait, 'life0: 'async_trait,

Submits a PVF pre-checking statement into the transaction pool.

fn pvfs_require_precheck<'life0, 'async_trait>( &'life0 self, at: Hash ) -> Pin<Box<dyn Future<Output = Result<Vec<ValidationCodeHash>, ApiError>> + Send + 'async_trait>>where Self: 'async_trait, 'life0: 'async_trait,

Returns code hashes of PVFs that require pre-checking by validators in the active set.

fn validation_code_hash<'life0, 'async_trait>( &'life0 self, at: Hash, para_id: Id, assumption: OccupiedCoreAssumption ) -> Pin<Box<dyn Future<Output = Result<Option<ValidationCodeHash>, ApiError>> + Send + 'async_trait>>where Self: 'async_trait, 'life0: 'async_trait,

Fetch the hash of the validation code used by a para, making the given OccupiedCoreAssumption.

fn current_epoch<'life0, 'async_trait>( &'life0 self, at: Hash ) -> Pin<Box<dyn Future<Output = Result<Epoch, ApiError>> + Send + 'async_trait>>where Self: 'async_trait, 'life0: 'async_trait,

Returns information regarding the current epoch.

fn authorities<'life0, 'async_trait>( &'life0 self, at: Hash ) -> Pin<Box<dyn Future<Output = Result<Vec<AuthorityId>, ApiError>> + Send + 'async_trait>>where Self: 'async_trait, 'life0: 'async_trait,

Retrieve authority identifiers of the current and next authority set.

fn api_version_parachain_host<'life0, 'async_trait>( &'life0 self, at: Hash ) -> Pin<Box<dyn Future<Output = Result<Option<u32>, ApiError>> + Send + 'async_trait>>where Self: 'async_trait, 'life0: 'async_trait,

Parachain host API version

fn disputes<'life0, 'async_trait>( &'life0 self, at: Hash ) -> Pin<Box<dyn Future<Output = Result<Vec<(SessionIndex, CandidateHash, DisputeState<BlockNumber>)>, ApiError>> + Send + 'async_trait>>where Self: 'async_trait, 'life0: 'async_trait,

Returns all onchain disputes. This is a staging method! Do not use on production runtimes!

fn unapplied_slashes<'life0, 'async_trait>( &'life0 self, at: Hash ) -> Pin<Box<dyn Future<Output = Result<Vec<(SessionIndex, CandidateHash, PendingSlashes)>, ApiError>> + Send + 'async_trait>>where Self: 'async_trait, 'life0: 'async_trait,

Returns a list of validators that lost a past session dispute and need to be slashed.

fn key_ownership_proof<'life0, 'async_trait>( &'life0 self, at: Hash, validator_id: ValidatorId ) -> Pin<Box<dyn Future<Output = Result<Option<OpaqueKeyOwnershipProof>, ApiError>> + Send + 'async_trait>>where Self: 'async_trait, 'life0: 'async_trait,

Returns a merkle proof of a validator session key in a past session.

fn submit_report_dispute_lost<'life0, 'async_trait>( &'life0 self, at: Hash, dispute_proof: DisputeProof, key_ownership_proof: OpaqueKeyOwnershipProof ) -> Pin<Box<dyn Future<Output = Result<Option<()>, ApiError>> + Send + 'async_trait>>where Self: 'async_trait, 'life0: 'async_trait,

Submits an unsigned extrinsic to slash validators who lost a dispute about a candidate of a past session.

fn minimum_backing_votes<'life0, 'async_trait>( &'life0 self, at: Hash, _session_index: SessionIndex ) -> Pin<Box<dyn Future<Output = Result<u32, ApiError>> + Send + 'async_trait>>where Self: 'async_trait, 'life0: 'async_trait,

Get the minimum number of backing votes.

fn staging_para_backing_state<'life0, 'async_trait>( &'life0 self, at: Hash, para_id: Id ) -> Pin<Box<dyn Future<Output = Result<Option<BackingState>, ApiError>> + Send + 'async_trait>>where Self: 'async_trait, 'life0: 'async_trait,

Returns the state of parachain backing for a given para. This is a staging method! Do not use on production runtimes!