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Enum polkadot_node_subsystem::messages::CandidateValidationMessage

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pub enum CandidateValidationMessage {
    ValidateFromExhaustive {
        validation_data: PersistedValidationData,
        validation_code: ValidationCode,
        candidate_receipt: CandidateReceiptV2,
        pov: Arc<PoV>,
        executor_params: ExecutorParams,
        exec_kind: PvfExecKind,
        response_sender: Sender<Result<ValidationResult, ValidationFailed>>,
    },
    PreCheck {
        relay_parent: H256,
        validation_code_hash: ValidationCodeHash,
        response_sender: Sender<PreCheckOutcome>,
    },
}
Expand description

Messages received by the Validation subsystem.

§Validation Requests

Validation requests made to the subsystem should return an error only on internal error. Otherwise, they should return either Ok(ValidationResult::Valid(_)) or Ok(ValidationResult::Invalid).

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ValidateFromExhaustive

Validate a candidate with provided, exhaustive parameters for validation.

Explicitly provide the PersistedValidationData and ValidationCode so this can do full validation without needing to access the state of the relay-chain.

This request doesn’t involve acceptance criteria checking, therefore only useful for the cases where the validity of the candidate is established. This is the case for the typical use-case: secondary checkers would use this request relying on the full prior checks performed by the relay-chain.

Fields

§validation_data: PersistedValidationData

Persisted validation data

§validation_code: ValidationCode

Validation code

§candidate_receipt: CandidateReceiptV2

The candidate receipt

§pov: Arc<PoV>

The proof-of-validity

§executor_params: ExecutorParams

Session’s executor parameters

§exec_kind: PvfExecKind

Execution kind, used for timeouts and retries (backing/approvals)

§response_sender: Sender<Result<ValidationResult, ValidationFailed>>

The sending side of the response channel

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PreCheck

Try to compile the given validation code and send back the outcome.

The validation code is specified by the hash and will be queried from the runtime API at the given relay-parent.

Fields

§relay_parent: H256

Relay-parent

§validation_code_hash: ValidationCodeHash

Validation code hash

§response_sender: Sender<PreCheckOutcome>

The sending side of the response channel

Trait Implementations§

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impl AssociateOutgoing for CandidateValidationMessage

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type OutgoingMessages = CandidateValidationOutgoingMessages

The associated outgoing messages for a subsystem that consumes the message Self.
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impl Debug for CandidateValidationMessage

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fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>

Formats the value using the given formatter. Read more
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impl From<CandidateValidationMessage> for AllMessages

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fn from(message: CandidateValidationMessage) -> AllMessages

Converts to this type from the input type.
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impl From<CandidateValidationMessage> for ApprovalVotingOutgoingMessages

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fn from(message: CandidateValidationMessage) -> ApprovalVotingOutgoingMessages

Converts to this type from the input type.
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impl From<CandidateValidationMessage> for ApprovalVotingParallelOutgoingMessages

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fn from( message: CandidateValidationMessage, ) -> ApprovalVotingParallelOutgoingMessages

Converts to this type from the input type.
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impl From<CandidateValidationMessage> for CandidateBackingOutgoingMessages

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fn from(message: CandidateValidationMessage) -> CandidateBackingOutgoingMessages

Converts to this type from the input type.
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impl From<CandidateValidationMessage> for DisputeCoordinatorOutgoingMessages

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fn from( message: CandidateValidationMessage, ) -> DisputeCoordinatorOutgoingMessages

Converts to this type from the input type.
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impl From<CandidateValidationMessage> for PvfCheckerOutgoingMessages

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fn from(message: CandidateValidationMessage) -> PvfCheckerOutgoingMessages

Converts to this type from the input type.
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impl TryFrom<AllMessages> for CandidateValidationMessage

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type Error = ()

The type returned in the event of a conversion error.
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fn try_from( message: AllMessages, ) -> Result<CandidateValidationMessage, <CandidateValidationMessage as TryFrom<AllMessages>>::Error>

Performs the conversion.

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