Struct HistorySize 

pub struct HistorySize(/* private fields */);

Size of blockchain history in segments

Implementations

impl HistorySize

pub const ONE: Self

History size of one

pub const fn new(value: NonZeroU64) -> Self

Create a new instance

pub const fn as_segment_index(&self) -> SegmentIndex

Get internal representation

pub const fn as_non_zero_u64(&self) -> NonZeroU64

Get internal representation

pub const fn in_pieces(&self) -> NonZeroU64

Size of blockchain history in pieces

pub fn segment_index(&self) -> SegmentIndex

Segment index that corresponds to this history size

pub fn sector_expiration_check(&self, min_sector_lifetime: Self) -> Option<Self>

History size at which expiration check for a sector happens.

Returns None on overflow.

Methods from Deref<Target = SegmentIndex>

pub fn first_piece_index(&self) -> PieceIndex

Get the first piece index in this segment

pub fn last_piece_index(&self) -> PieceIndex

Get the last piece index in this segment

pub fn segment_piece_indexes(&self) -> [PieceIndex; 256]

List of piece indexes that belong to this segment

pub fn checked_sub(self, rhs: Self) -> Option<Self>

Checked integer subtraction. Computes self - rhs, returning None if underflow occurred

pub fn saturating_sub(self, rhs: Self) -> Self

Saturating integer subtraction. Computes self - rhs, returning zero if underflow occurred

Trait Implementations

impl AnyBitPatternMarker for HistorySize

where for<'__ab_io_type> SegmentIndex: AnyBitPatternMarker,

impl Clone for HistorySize

fn clone(&self) -> Self

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Copy for HistorySize

impl Debug for HistorySize

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

Formats the value using the given formatter.

impl Decode for HistorySize

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 Deref for HistorySize

type Target = SegmentIndex

The resulting type after dereferencing.

fn deref(&self) -> &Self::Target

Dereferences the value.

impl DerefMut for HistorySize

fn deref_mut(&mut self) -> &mut Self::Target

Mutably dereferences the value.

impl<'de> Deserialize<'de> for HistorySize

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Display for HistorySize

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

Formats the value using the given formatter.

impl Encode for HistorySize

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<__CodecOutputReturn, __CodecUsingEncodedCallback: FnOnce(&[u8]) -> __CodecOutputReturn>( &self, f: __CodecUsingEncodedCallback, ) -> __CodecOutputReturn

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

fn encoded_size(&self) -> usize

Calculates the encoded size.

impl EncodeLike for HistorySize

impl Eq for HistorySize

impl From<HistorySize> for SegmentIndex

fn from(value: HistorySize) -> Self

Converts to this type from the input type.

impl From<SegmentIndex> for HistorySize

fn from(value: SegmentIndex) -> Self

Converts to this type from the input type.

impl Hash for HistorySize

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

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 MaxEncodedLen for HistorySize

fn max_encoded_len() -> usize

Upper bound, in bytes, of the maximum encoded size of this item.

impl Ord for HistorySize

fn cmp(&self, other: &Self) -> 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)

Restrict a value to a certain range.

impl PartialEq for HistorySize

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

Equality operator ==.

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

Inequality operator !=.

impl PartialOrd for HistorySize

fn partial_cmp(&self, other: &Self) -> 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 HistorySize

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

where __S: Serializer,

Serialize this value into the given Serde serializer.

impl StructuralPartialEq for HistorySize

impl TrivialType for HistorySize

where SegmentIndex: TrivialType,

const ALIGNMENT: Alignment

Alignment of the type in metadata.

const METADATA: &[u8]

Data structure metadata in binary form, describing shape and types of the contents, see IoTypeMetadataKind for encoding details.

const SIZE: u32

final fn try_from_bytes(bytes: &[u8]) -> Option<(&Self, &[u8])>

Parse the beginning of aligned bytes, returns the value and the remaining bytes.

final fn try_from_bytes_exact(bytes: &[u8]) -> Option<&Self>

Like Self::try_from_bytes(), but returns None if there are more bytes than the value

final fn try_from_bytes_mut(bytes: &mut [u8]) -> Option<(&mut Self, &mut [u8])>

Like Self::try_from_bytes(), but returns an exclusive reference.

final fn try_from_bytes_mut_exact(bytes: &mut [u8]) -> Option<&mut Self>

Like Self::try_from_bytes_mut(), but returns None if there are more bytes than the value

final fn from_bytes(bytes: &[u8]) -> Option<(&Self, &[u8])>

where Self: AnyBitPattern,

Create a reference to a value at the beginning of aligned bytes, returns the value and the remaining bytes.

final fn from_bytes_exact(bytes: &[u8]) -> Option<&Self>

where Self: AnyBitPattern,

Like Self::from_bytes(), but returns None if there are more bytes than the value

final unsafe fn from_bytes_unchecked(bytes: &[u8]) -> &Self

Similar to Self::from_bytes(), but for any type and without any checks

final fn from_bytes_mut(bytes: &mut [u8]) -> Option<(&mut Self, &mut [u8])>

where Self: AnyBitPattern,

Like Self::from_bytes(), but returns an exclusive reference

final fn from_bytes_mut_exact(bytes: &mut [u8]) -> Option<&mut Self>

where Self: AnyBitPattern,

Like Self::from_bytes_mut(), but returns None if there are more bytes than the value

final unsafe fn from_bytes_mut_unchecked(bytes: &mut [u8]) -> &mut Self

Similar to Self::from_bytes_mut(), but for any type and without any checks

final fn slice_from_bytes( bytes: &[u8], count: usize, ) -> Option<(&[Self], &[u8])>

where Self: AnyBitPattern,

Create a slice of count values at the beginning of aligned bytes, returns the values and the remaining bytes.

final fn slice_from_bytes_mut( bytes: &mut [u8], count: usize, ) -> Option<(&mut [Self], &mut [u8])>

where Self: AnyBitPattern,

Like Self::slice_from_bytes(), but returns an exclusive reference

final fn as_bytes(&self) -> &[u8; ab_io_type::trivial_type::SIZE_OF::<Self>]

Access the underlying byte representation of a data structure

final fn slice_as_bytes(values: &[Self]) -> &[u8]

Access the underlying byte representation of a slice of values

final fn as_bytes_mut( &mut self, ) -> &mut [u8; ab_io_type::trivial_type::SIZE_OF::<Self>]

where Self: AnyBitPattern,

Access the underlying mutable byte representation of a data structure

final unsafe fn as_bytes_mut_unchecked( &mut self, ) -> &mut [u8; ab_io_type::trivial_type::SIZE_OF::<Self>]

Similar to Self::as_bytes_mut(), but for any type.