Enum ChainStateKey 

pub enum ChainStateKey {
    LastFinalizedBlock,
    LastSafeBlock,
}

Keys for the ChainState table.

Variants

LastFinalizedBlock

Last finalized block key

LastSafeBlock

Last safe block key

Trait Implementations

impl Clone for ChainStateKey

fn clone(&self) -> ChainStateKey

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for ChainStateKey

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

Formats the value using the given formatter.

impl Decode for ChainStateKey

fn decode(value: &[u8]) -> Result<ChainStateKey, DatabaseError>

Decodes data coming from the database.

fn decode_owned(value: Vec<u8>) -> Result<Self, DatabaseError>

Decodes owned data coming from the database.

impl<'de> Deserialize<'de> for ChainStateKey

fn deserialize<__D>( __deserializer: __D, ) -> Result<ChainStateKey, <__D as Deserializer<'de>>::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Encode for ChainStateKey

type Encoded = [u8; 1]

Encoded type.

fn encode(self) -> <ChainStateKey as Encode>::Encoded

Encodes data going into the database.

impl Eq for ChainStateKey

impl Hash for ChainStateKey

fn hash<__H>(&self, state: &mut __H)

where __H: Hasher,

Feeds this value into the given Hasher.

fn hash_slice<H>(data: &[Self], state: &mut H)

where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher.

impl Ord for ChainStateKey

fn cmp(&self, other: &ChainStateKey) -> Ordering

This method returns an Ordering between self and other.

fn max(self, other: Self) -> Self

where Self: Sized,

Compares and returns the maximum of two values.

fn min(self, other: Self) -> Self

where Self: Sized,

Compares and returns the minimum of two values.

fn clamp(self, min: Self, max: Self) -> Self

where Self: Sized,

Restrict a value to a certain interval.

fn clamp_to<R>(self, range: R) -> Self

where Self: Sized, R: ClampBounds<Self>,

🔬This is a nightly-only experimental API. (clamp_to #147781)

Restrict a value to a certain range.

impl PartialEq for ChainStateKey

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

Equality operator ==.

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

Inequality operator !=.

impl PartialOrd for ChainStateKey

fn partial_cmp(&self, other: &ChainStateKey) -> Option<Ordering>

This method returns an ordering between self and other values if one exists.

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

Tests less than (for self and other) and is used by the < operator.

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

Tests less than or equal to (for self and other) and is used by the <= operator.

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

Tests greater than (for self and other) and is used by the > operator.

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

Tests greater than or equal to (for self and other) and is used by the >= operator.

impl Serialize for ChainStateKey

fn serialize<__S>( &self, __serializer: __S, ) -> Result<<__S as Serializer>::Ok, <__S as Serializer>::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.

impl StructuralPartialEq for ChainStateKey

Layout

Note: Most layout information is completely unstable and may even differ between compilations. The only exception is types with certain repr(...) attributes. Please see the Rust Reference's “Type Layout” chapter for details on type layout guarantees.

Size: 1 byte

Size for each variant:

• LastFinalizedBlock: 0 bytes
• LastSafeBlock: 0 bytes