Enum polkadot_runtime_parachains::paras::UpgradeStrategy

pub enum UpgradeStrategy {
    SetGoAheadSignal,
    ApplyAtExpectedBlock,
}

The strategy on how to handle a validation code upgrade.

When scheduling a parachain code upgrade the upgrade first is checked by all validators. The validators ensure that the new validation code can be compiled and instantiated. After the majority of the validators have reported their checking result the upgrade is either scheduled or aborted. This strategy then comes into play around the relay chain block this upgrade was scheduled in.

Variants

SetGoAheadSignal

Set the GoAhead signal to inform the parachain that it is time to upgrade.

The upgrade will then be applied after the first parachain block was enacted that must have observed the GoAhead signal.

ApplyAtExpectedBlock

Apply the upgrade directly at the expected relay chain block.

This doesn’t wait for the parachain to make any kind of progress.

Trait Implementations

impl Clone for UpgradeStrategy

fn clone(&self) -> UpgradeStrategy

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for UpgradeStrategy

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

Formats the value using the given formatter.

impl Decode for UpgradeStrategy

fn decode<__CodecInputEdqy: Input>( __codec_input_edqy: &mut __CodecInputEdqy, ) -> Result<Self, Error>

Attempt to deserialise the value from input.

fn decode_into<I>( input: &mut I, dst: &mut MaybeUninit<Self>, ) -> Result<DecodeFinished, Error>

where I: Input,

Attempt to deserialize the value from input into a pre-allocated piece of memory.

fn skip<I>(input: &mut I) -> Result<(), Error>

where I: Input,

Attempt to skip the encoded value from input.

fn encoded_fixed_size() -> Option<usize>

Returns the fixed encoded size of the type.

impl Encode for UpgradeStrategy

fn size_hint(&self) -> usize

If possible give a hint of expected size of the encoding.

fn encode_to<__CodecOutputEdqy: Output + ?Sized>( &self, __codec_dest_edqy: &mut __CodecOutputEdqy, )

Convert self to a slice and append it to the destination.

fn encode(&self) -> Vec<u8>

Convert self to an owned vector.

fn using_encoded<R, F>(&self, f: F) -> R

where F: FnOnce(&[u8]) -> R,

Convert self to a slice and then invoke the given closure with it.

fn encoded_size(&self) -> usize

Calculates the encoded size.

impl PartialEq for UpgradeStrategy

fn eq(&self, other: &UpgradeStrategy) -> bool

This method tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

This method tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl TypeInfo for UpgradeStrategy

type Identity = UpgradeStrategy

The type identifying for which type info is provided.

fn type_info() -> Type

Returns the static type identifier for Self.

impl Copy for UpgradeStrategy

impl EncodeLike for UpgradeStrategy

impl StructuralPartialEq for UpgradeStrategy