Struct frame_system::LastRuntimeUpgradeInfo

pub struct LastRuntimeUpgradeInfo {
    pub spec_version: Compact<u32>,
    pub spec_name: RuntimeString,
}

Stores the spec_version and spec_name of when the last runtime upgrade happened.

Fields

spec_version: Compact<u32>

spec_name: RuntimeString

Implementations

impl LastRuntimeUpgradeInfo

pub fn was_upgraded(&self, current: &RuntimeVersion) -> bool

Returns if the runtime was upgraded in comparison of self and current.

Checks if either the spec_version increased or the spec_name changed.

Trait Implementations

impl Debug for LastRuntimeUpgradeInfo

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

Formats the value using the given formatter.

impl Decode for LastRuntimeUpgradeInfo

fn decode<DecIn: Input>(input: &mut DecIn) -> Result<Self, Error>

Attempt to deserialise the value from input.

impl Encode for LastRuntimeUpgradeInfo

fn encode_to<EncOut: Output>(&self, dest: &mut EncOut)

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

fn size_hint(&self) -> usize

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

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.

impl EncodeLike<LastRuntimeUpgradeInfo> for LastRuntimeUpgradeInfo

impl From<RuntimeVersion> for LastRuntimeUpgradeInfo

fn from(version: RuntimeVersion) -> Self

Performs the conversion.

impl PartialEq<LastRuntimeUpgradeInfo> for LastRuntimeUpgradeInfo

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

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

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

This method tests for !=.

impl StorageValue<LastRuntimeUpgradeInfo> for LastRuntimeUpgrade

type Query = Option<LastRuntimeUpgradeInfo>

The type that get/take returns.

fn module_prefix() -> &'static [u8]

Module prefix. Used for generating final key.

fn storage_prefix() -> &'static [u8]

Storage prefix. Used for generating final key.

fn from_optional_value_to_query(
    v: Option<LastRuntimeUpgradeInfo>
) -> Self::Query

Convert an optional value retrieved from storage to the type queried.

fn from_query_to_optional_value(
    v: Self::Query
) -> Option<LastRuntimeUpgradeInfo>

Convert a query to an optional value into storage.

fn storage_value_final_key() -> [u8; 32]

Generate the full key used in top storage.

impl StructuralPartialEq for LastRuntimeUpgradeInfo