Trait polkadot_service::ProvideRuntimeApi

pub trait ProvideRuntimeApi<Block>
where
    Block: Block,
{
    type Api: ApiExt<Block>;

    // Required method
    fn runtime_api(&self) -> ApiRef<'_, Self::Api>;
}

Something that provides a runtime api.

Required Associated Types

type Api: ApiExt<Block>

The concrete type that provides the api.

Required Methods

fn runtime_api(&self) -> ApiRef<'_, Self::Api>

Returns the runtime api. The returned instance will keep track of modifications to the storage. Any successful call to an api function, will commit its changes to an internal buffer. Otherwise, the modifications will be discarded. The modifications will not be applied to the storage, even on a commit.

Implementations on Foreign Types

impl<B, E, Block, RA> ProvideRuntimeApi<Block> for Client<B, E, Block, RA>

where B: Backend<Block>, E: CallExecutor<Block, Backend = B> + Send + Sync, Block: Block, RA: ConstructRuntimeApi<Block, Client<B, E, Block, RA>> + Send + Sync,

type Api = <RA as ConstructRuntimeApi<Block, Client<B, E, Block, RA>>>::RuntimeApi

fn runtime_api( &self ) -> ApiRef<'_, <Client<B, E, Block, RA> as ProvideRuntimeApi<Block>>::Api>

Implementors