Trait sc_client_api::light::FetchChecker[−][src]

pub trait FetchChecker<Block: BlockT>: Send + Sync {
    fn check_header_proof(
        &self, 
        request: &RemoteHeaderRequest<Block::Header>, 
        header: Option<Block::Header>, 
        remote_proof: StorageProof
    ) -> ClientResult<Block::Header>;

    fn check_read_proof(
        &self, 
        request: &RemoteReadRequest<Block::Header>, 
        remote_proof: StorageProof
    ) -> ClientResult<HashMap<Vec<u8>, Option<Vec<u8>>>>;

    fn check_read_child_proof(
        &self, 
        request: &RemoteReadChildRequest<Block::Header>, 
        remote_proof: StorageProof
    ) -> ClientResult<HashMap<Vec<u8>, Option<Vec<u8>>>>;

    fn check_execution_proof(
        &self, 
        request: &RemoteCallRequest<Block::Header>, 
        remote_proof: StorageProof
    ) -> ClientResult<Vec<u8>>;

    fn check_changes_proof(
        &self, 
        request: &RemoteChangesRequest<Block::Header>, 
        proof: ChangesProof<Block::Header>
    ) -> ClientResult<Vec<(NumberFor<Block>, u32)>>;

    fn check_body_proof(
        &self, 
        request: &RemoteBodyRequest<Block::Header>, 
        body: Vec<Block::Extrinsic>
    ) -> ClientResult<Vec<Block::Extrinsic>>;
}

Light client remote data checker.

Implementations of this trait should not use any prunable blockchain data except that is passed to its methods.

Required methods

fn check_header_proof(
    &self,
    request: &RemoteHeaderRequest<Block::Header>,
    header: Option<Block::Header>,
    remote_proof: StorageProof
) -> ClientResult<Block::Header>[src]

Check remote header proof.

fn check_read_proof(
    &self,
    request: &RemoteReadRequest<Block::Header>,
    remote_proof: StorageProof
) -> ClientResult<HashMap<Vec<u8>, Option<Vec<u8>>>>[src]

Check remote storage read proof.

fn check_read_child_proof(
    &self,
    request: &RemoteReadChildRequest<Block::Header>,
    remote_proof: StorageProof
) -> ClientResult<HashMap<Vec<u8>, Option<Vec<u8>>>>[src]

Check remote storage read proof.

fn check_execution_proof(
    &self,
    request: &RemoteCallRequest<Block::Header>,
    remote_proof: StorageProof
) -> ClientResult<Vec<u8>>[src]

Check remote method execution proof.

fn check_changes_proof(
    &self,
    request: &RemoteChangesRequest<Block::Header>,
    proof: ChangesProof<Block::Header>
) -> ClientResult<Vec<(NumberFor<Block>, u32)>>[src]

Check remote changes query proof.

fn check_body_proof(
    &self,
    request: &RemoteBodyRequest<Block::Header>,
    body: Vec<Block::Extrinsic>
) -> ClientResult<Vec<Block::Extrinsic>>[src]

Check remote body proof.

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Implementors

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