Trait sp_api::Metadata[−][src]

pub trait Metadata<Block: BlockT>: Core<Block> {
    fn metadata(
        &self, 
        __runtime_api_at_param__: &BlockId<Block>
    ) -> Result<OpaqueMetadata, ApiError> { ... }
    fn metadata_with_context(
        &self, 
        __runtime_api_at_param__: &BlockId<Block>, 
        context: ExecutionContext
    ) -> Result<OpaqueMetadata, ApiError> { ... }
}

Expand description

The Metadata api trait that returns metadata for the runtime.

Provided methods

[src]

fn metadata(
    &self, 
    __runtime_api_at_param__: &BlockId<Block>
) -> Result<OpaqueMetadata, ApiError>

Returns the metadata of a runtime.

[src]

fn metadata_with_context(
    &self, 
    __runtime_api_at_param__: &BlockId<Block>, 
    context: ExecutionContext
) -> Result<OpaqueMetadata, ApiError>

Returns the metadata of a runtime.

Trait Implementations

[src]

impl<Block: BlockT> RuntimeApiInfo for dyn Metadata<Block>

[src]

const ID: [u8; 8]

The identifier of the runtime api.

[src]

const VERSION: u32

The version of the runtime api.

Implementors

`impl<__SR_API_BLOCK: BlockT + UnwindSafe + RefUnwindSafe, RuntimeApiImplCall: CallApiAt<SR_API_BLOCK> + 'static> Metadata<SR_API_BLOCK> for RuntimeApiImpl<SR_API_BLOCK, RuntimeApiImplCall> where RuntimeApiImplCall::StateBackend: StateBackend<HashFor<SR_API_BLOCK>>, OpaqueMetadata: UnwindSafe + RefUnwindSafe, SR_API_BLOCK__::Header: UnwindSafe + RefUnwindSafe,`