Trait sc_consensus::block_import::BlockImport

pub trait BlockImport<B: BlockT> {
    type Error: Error + Send + 'static;
    type Transaction: Send + 'static;

    fn check_block<'life0, 'async_trait>(
        &'life0 mut self,
        block: BlockCheckParams<B>
    ) -> Pin<Box<dyn Future<Output = Result<ImportResult, Self::Error>> + Send + 'async_trait>>
    where
        Self: 'async_trait,
        'life0: 'async_trait;
    fn import_block<'life0, 'async_trait>(
        &'life0 mut self,
        block: BlockImportParams<B, Self::Transaction>,
        cache: HashMap<CacheKeyId, Vec<u8>>
    ) -> Pin<Box<dyn Future<Output = Result<ImportResult, Self::Error>> + Send + 'async_trait>>
    where
        Self: 'async_trait,
        'life0: 'async_trait;
}

Block import trait.

Required Associated Types

type Error: Error + Send + 'static

The error type.

type Transaction: Send + 'static

The transaction type used by the backend.

Required Methods

fn check_block<'life0, 'async_trait>(
    &'life0 mut self,
    block: BlockCheckParams<B>
) -> Pin<Box<dyn Future<Output = Result<ImportResult, Self::Error>> + Send + 'async_trait>>where
    Self: 'async_trait,
    'life0: 'async_trait,

Check block preconditions.

fn import_block<'life0, 'async_trait>(
    &'life0 mut self,
    block: BlockImportParams<B, Self::Transaction>,
    cache: HashMap<CacheKeyId, Vec<u8>>
) -> Pin<Box<dyn Future<Output = Result<ImportResult, Self::Error>> + Send + 'async_trait>>where
    Self: 'async_trait,
    'life0: 'async_trait,

Import a block.

Cached data can be accessed through the blockchain cache.

Implementations on Foreign Types

impl<B: BlockT, T, E: Error + Send + 'static, Transaction> BlockImport<B> for Arc<T>where
    for<'r> &'r T: BlockImport<B, Error = E, Transaction = Transaction>,
    T: Send + Sync,
    Transaction: Send + 'static,

type Error = E

type Transaction = Transaction

fn check_block<'life0, 'async_trait>(
    &'life0 mut self,
    block: BlockCheckParams<B>
) -> Pin<Box<dyn Future<Output = Result<ImportResult, Self::Error>> + Send + 'async_trait>>where
    Self: 'async_trait,
    'life0: 'async_trait,

fn import_block<'life0, 'async_trait>(
    &'life0 mut self,
    block: BlockImportParams<B, Transaction>,
    cache: HashMap<CacheKeyId, Vec<u8>>
) -> Pin<Box<dyn Future<Output = Result<ImportResult, Self::Error>> + Send + 'async_trait>>where
    Self: 'async_trait,
    'life0: 'async_trait,

Implementors

impl<B: BlockT, Transaction> BlockImport<B> for BoxBlockImport<B, Transaction>where
    Transaction: Send + 'static,

type Error = Error

type Transaction = Transaction

impl<Block, BE, Runtime, I> BlockImport<Block> for BeefyBlockImport<Block, BE, Runtime, I>where
    Block: BlockT,
    BE: Backend<Block>,
    I: BlockImport<Block, Error = ConsensusError, Transaction = TransactionFor<Runtime, Block>> + Send + Sync,
    Runtime: ProvideRuntimeApi<Block> + Send + Sync,
    Runtime::Api: BeefyApi<Block>,

impl<Block, I> BlockImport<Block> for ParachainBlockImport<I>where
    Block: BlockT,
    I: BlockImport<Block> + Send,

impl<Block, Client, Inner> BlockImport<Block> for BabeBlockImport<Block, Client, Inner>where
    Block: BlockT,
    Inner: BlockImport<Block, Transaction = TransactionFor<Client, Block>> + Send + Sync,
    Inner::Error: Into<ConsensusError>,
    Client: HeaderBackend<Block> + HeaderMetadata<Block, Error = Error> + AuxStore + ProvideRuntimeApi<Block> + Send + Sync,
    Client::Api: BabeApi<Block> + ApiExt<Block>,

impl<BE, Block: BlockT, Client, SC> BlockImport<Block> for GrandpaBlockImport<BE, Block, Client, SC>where
    NumberFor<Block>: BlockNumberOps,
    BE: Backend<Block>,
    Client: ClientForGrandpa<Block, BE>,
    Client::Api: GrandpaApi<Block>,
    for<'a> &'a Client: BlockImport<Block, Error = ConsensusError, Transaction = TransactionFor<Client, Block>>,
    TransactionFor<Client, Block>: 'static,
    SC: Send,