referrerpolicy=no-referrer-when-downgrade

Enum polkadot_primitives::v8::UpgradeGoAhead

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pub enum UpgradeGoAhead {
    Abort,
    GoAhead,
}
Expand description

A struct that the relay-chain communicates to a parachain indicating what course of action the parachain should take in the coordinated parachain validation code upgrade process.

This data type appears in the last step of the upgrade process. After the parachain observes it and reacts to it the upgrade process concludes.

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Abort

Abort the upgrade process. There is something wrong with the validation code previously submitted by the parachain. This variant can also be used to prevent upgrades by the governance should an emergency emerge.

The expected reaction on this variant is that the parachain will admit this message and remove all the data about the pending upgrade. Depending on the nature of the problem (to be examined offchain for now), it can try to send another validation code or just retry later.

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GoAhead

Apply the pending code change. The parablock that is built on a relay-parent that is descendant of the relay-parent where the parachain observed this signal must use the upgraded validation code.

Trait Implementations§

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impl Clone for UpgradeGoAhead

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fn clone(&self) -> UpgradeGoAhead

Returns a copy of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for UpgradeGoAhead

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

Formats the value using the given formatter. Read more
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impl Decode for UpgradeGoAhead

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

Attempt to deserialise the value from input.
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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. Read more
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fn skip<I>(input: &mut I) -> Result<(), Error>
where I: Input,

Attempt to skip the encoded value from input. Read more
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fn encoded_fixed_size() -> Option<usize>

Returns the fixed encoded size of the type. Read more
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impl Encode for UpgradeGoAhead

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fn size_hint(&self) -> usize

If possible give a hint of expected size of the encoding. Read more
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fn encode_to<__CodecOutputEdqy: Output + ?Sized>( &self, __codec_dest_edqy: &mut __CodecOutputEdqy, )

Convert self to a slice and append it to the destination.
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fn encode(&self) -> Vec<u8>

Convert self to an owned vector.
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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.
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fn encoded_size(&self) -> usize

Calculates the encoded size. Read more
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impl PartialEq for UpgradeGoAhead

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

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

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type Identity = UpgradeGoAhead

The type identifying for which type info is provided. Read more
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fn type_info() -> Type

Returns the static type identifier for Self.
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impl Copy for UpgradeGoAhead

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impl EncodeLike for UpgradeGoAhead

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impl StructuralPartialEq for UpgradeGoAhead

Auto Trait Implementations§

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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fn borrow_mut(&mut self) -> &mut T

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fn checked_from<T>(t: T) -> Option<Self>
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unsafe fn clone_to_uninit(&self, dst: *mut T)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dst. Read more
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impl<T> CloneToUninit for T
where T: Clone,

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default unsafe fn clone_to_uninit(&self, dst: *mut T)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dst. Read more
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Decode Self and consume all of the given input data. Read more
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Decode Self and consume all of the given input data. Read more
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where I: Input,

Decode Self with the given maximum recursion depth and advance input by the number of bytes consumed. Read more
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fn __clone_box(&self, _: Private) -> *mut ()

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Convert Self into T, then encode T. Read more
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Causes self to use its Binary implementation when Debug-formatted.
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where Self: Octal,

Causes self to use its Octal implementation when Debug-formatted.
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where Self: Pointer,

Causes self to use its Pointer implementation when Debug-formatted.
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where Self: UpperExp,

Causes self to use its UpperExp implementation when Debug-formatted.
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where Self: UpperHex,

Causes self to use its UpperHex implementation when Debug-formatted.
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where &'a Self: for<'a> IntoIterator,

Formats each item in a sequence. Read more
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