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Trait polkadot_sdk_frame::runtime::apis::ProvideRuntimeApi

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

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

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.

Implementors§