[][src]Trait sp_api::ProvideRuntimeApi

pub trait ProvideRuntimeApi<Block: BlockT> {
    type Api: ApiExt<Block>;
    fn runtime_api<'a>(&'a self) -> ApiRef<'a, Self::Api>;

Something that provides a runtime api.

Associated Types

type Api: ApiExt<Block>

The concrete type that provides the api.

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Required methods

fn runtime_api<'a>(&'a self) -> ApiRef<'a, 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.

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