Trait polkadot_service::BlockImport

pub trait BlockImport<B> where
    B: Block, {
    type Error: 'static + Error + Send;
    type Transaction: 'static + Send;
    fn check_block<'life0, 'async_trait>(
        &'life0 mut self, 
        block: BlockCheckParams<B>
    ) -> Pin<Box<dyn Future<Output = Result<ImportResult, Self::Error>> + Send + 'async_trait, Global>>
    where
        'life0: 'async_trait,
        Self: 'async_trait;
    fn import_block<'life0, 'async_trait>(
        &'life0 mut self, 
        block: BlockImportParams<B, Self::Transaction>, 
        cache: HashMap<[u8; 4], Vec<u8, Global>, RandomState>
    ) -> Pin<Box<dyn Future<Output = Result<ImportResult, Self::Error>> + Send + 'async_trait, Global>>
    where
        'life0: 'async_trait,
        Self: 'async_trait;
}

Block import trait.

Associated Types

type Error: 'static + Error + Send

The error type.

type Transaction: 'static + Send

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, Global>> where
    'life0: 'async_trait,
    Self: 'async_trait, 

Check block preconditions.

fn import_block<'life0, 'async_trait>(
    &'life0 mut self,
    block: BlockImportParams<B, Self::Transaction>,
    cache: HashMap<[u8; 4], Vec<u8, Global>, RandomState>
) -> Pin<Box<dyn Future<Output = Result<ImportResult, Self::Error>> + Send + 'async_trait, Global>> where
    'life0: 'async_trait,
    Self: 'async_trait, 

Import a block.

Cached data can be accessed through the blockchain cache.

Implementations on Foreign Types

impl<BE, Block, Client, SC> BlockImport<Block> for GrandpaBlockImport<BE, Block, Client, SC> where
    Block: Block,
    BE: Backend<Block>,
    Client: ClientForGrandpa<Block, BE>,
    SC: Send,
    <<Block as Block>::Header as Header>::Number: BlockNumberOps,
    <Client as ProvideRuntimeApi<Block>>::Api: GrandpaApi<Block>,
    &'a Client: for<'a> BlockImport<Block>,
    <<<Client as ProvideRuntimeApi<Block>>::Api as ApiExt<Block>>::StateBackend as Backend<<<Block as Block>::Header as Header>::Hashing>>::Transaction: 'static,
    <&'a Client as BlockImport<Block>>::Error == Error,
    <&'a Client as BlockImport<Block>>::Transaction == <<<Client as ProvideRuntimeApi<Block>>::Api as ApiExt<Block>>::StateBackend as Backend<<<Block as Block>::Header as Header>::Hashing>>::Transaction, 

type Error = Error

type Transaction = <<<Client as ProvideRuntimeApi<Block>>::Api as ApiExt<Block>>::StateBackend as Backend<<<Block as Block>::Header as Header>::Hashing>>::Transaction

pub fn import_block<'life0, 'async_trait>(
    &'life0 mut self,
    block: BlockImportParams<Block, <GrandpaBlockImport<BE, Block, Client, SC> as BlockImport<Block>>::Transaction>,
    new_cache: HashMap<[u8; 4], Vec<u8, Global>, RandomState>
) -> Pin<Box<dyn Future<Output = Result<ImportResult, <GrandpaBlockImport<BE, Block, Client, SC> as BlockImport<Block>>::Error>> + Send + 'async_trait, Global>> where
    'life0: 'async_trait,
    GrandpaBlockImport<BE, Block, Client, SC>: 'async_trait, 

pub fn check_block<'life0, 'async_trait>(
    &'life0 mut self,
    block: BlockCheckParams<Block>
) -> Pin<Box<dyn Future<Output = Result<ImportResult, <GrandpaBlockImport<BE, Block, Client, SC> as BlockImport<Block>>::Error>> + Send + 'async_trait, Global>> where
    'life0: 'async_trait,
    GrandpaBlockImport<BE, Block, Client, SC>: 'async_trait, 

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

type Error = E

type Transaction = Transaction

pub fn check_block<'life0, 'async_trait>(
    &'life0 mut self,
    block: BlockCheckParams<B>
) -> Pin<Box<dyn Future<Output = Result<ImportResult, <Arc<T> as BlockImport<B>>::Error>> + Send + 'async_trait, Global>> where
    'life0: 'async_trait,
    Arc<T>: 'async_trait, 

pub fn import_block<'life0, 'async_trait>(
    &'life0 mut self,
    block: BlockImportParams<B, Transaction>,
    cache: HashMap<[u8; 4], Vec<u8, Global>, RandomState>
) -> Pin<Box<dyn Future<Output = Result<ImportResult, <Arc<T> as BlockImport<B>>::Error>> + Send + 'async_trait, Global>> where
    'life0: 'async_trait,
    Arc<T>: 'async_trait, 

impl<B, Transaction> BlockImport<B> for Box<dyn BlockImport<B, Error = Error, Transaction = Transaction> + Sync + Send + 'static, Global> where
    B: Block,
    Transaction: 'static + Send, 

pub fn check_block<'life0, 'async_trait>(
    &'life0 mut self,
    block: BlockCheckParams<B>
) -> Pin<Box<dyn Future<Output = Result<ImportResult, <Box<dyn BlockImport<B, Error = Error, Transaction = Transaction> + Sync + Send + 'static, Global> as BlockImport<B>>::Error>> + Send + 'async_trait, Global>> where
    'life0: 'async_trait,
    Box<dyn BlockImport<B, Error = Error, Transaction = Transaction> + Sync + Send + 'static, Global>: 'async_trait, 

Check block preconditions.

pub fn import_block<'life0, 'async_trait>(
    &'life0 mut self,
    block: BlockImportParams<B, Transaction>,
    cache: HashMap<[u8; 4], Vec<u8, Global>, RandomState>
) -> Pin<Box<dyn Future<Output = Result<ImportResult, <Box<dyn BlockImport<B, Error = Error, Transaction = Transaction> + Sync + Send + 'static, Global> as BlockImport<B>>::Error>> + Send + 'async_trait, Global>> where
    'life0: 'async_trait,
    Box<dyn BlockImport<B, Error = Error, Transaction = Transaction> + Sync + Send + 'static, Global>: 'async_trait, 

Import a block.

Cached data can be accessed through the blockchain cache.

type Error = Error

type Transaction = Transaction

impl<Block, Client, Inner> BlockImport<Block> for BabeBlockImport<Block, Client, Inner> where
    Block: Block,
    Inner: BlockImport<Block, Transaction = <<<Client as ProvideRuntimeApi<Block>>::Api as ApiExt<Block>>::StateBackend as Backend<<<Block as Block>::Header as Header>::Hashing>>::Transaction> + Send + Sync,
    Client: HeaderBackend<Block> + HeaderMetadata<Block, Error = Error> + AuxStore + ProvideRuntimeApi<Block> + Send + Sync,
    <Inner as BlockImport<Block>>::Error: Into<Error>,
    <Client as ProvideRuntimeApi<Block>>::Api: BabeApi<Block>,
    <Client as ProvideRuntimeApi<Block>>::Api: ApiExt<Block>, 

type Error = Error

type Transaction = <<<Client as ProvideRuntimeApi<Block>>::Api as ApiExt<Block>>::StateBackend as Backend<<<Block as Block>::Header as Header>::Hashing>>::Transaction

pub fn import_block<'life0, 'async_trait>(
    &'life0 mut self,
    block: BlockImportParams<Block, <BabeBlockImport<Block, Client, Inner> as BlockImport<Block>>::Transaction>,
    new_cache: HashMap<[u8; 4], Vec<u8, Global>, RandomState>
) -> Pin<Box<dyn Future<Output = Result<ImportResult, <BabeBlockImport<Block, Client, Inner> as BlockImport<Block>>::Error>> + Send + 'async_trait, Global>> where
    'life0: 'async_trait,
    BabeBlockImport<Block, Client, Inner>: 'async_trait, 

pub fn check_block<'life0, 'async_trait>(
    &'life0 mut self,
    block: BlockCheckParams<Block>
) -> Pin<Box<dyn Future<Output = Result<ImportResult, <BabeBlockImport<Block, Client, Inner> as BlockImport<Block>>::Error>> + Send + 'async_trait, Global>> where
    'life0: 'async_trait,
    BabeBlockImport<Block, Client, Inner>: 'async_trait, 

Implementors