Struct ethcore::header::ExtendedHeader

pub struct ExtendedHeader {
    pub header: Header,
    pub is_finalized: bool,
    pub parent_total_difficulty: U256,
    pub metadata: Option<Vec<u8>>,
}

Extended block header, wrapping Header with finalized and total difficulty information.

Fields

header: Header

The actual header.

is_finalized: bool

Whether the block underlying this header is considered finalized.

parent_total_difficulty: U256

The parent block difficulty.

metadata: Option<Vec<u8>>

The block metadata information.

Trait Implementations

impl Debug for ExtendedHeader

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

Formats the value using the given formatter.

impl Clone for ExtendedHeader

fn clone(&self) -> ExtendedHeader

Returns a copy of the value.

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

Performs copy-assignment from source.

impl PartialEq for ExtendedHeader

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

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

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

This method tests for !=.

impl Eq for ExtendedHeader

impl Header for ExtendedHeader

fn bare_hash(&self) -> H256

Cryptographic hash of the header, excluding the seal.

fn hash(&self) -> H256

Cryptographic hash of the header, including the seal.

Important traits for &'a [u8]

impl<'a> Read for &'a [u8]impl<'a> Write for &'a mut [u8]

fn seal(&self) -> &[Vec<u8>]

Get a reference to the seal fields.

fn author(&self) -> &Address

The author of the header.

fn number(&self) -> BlockNumber

The number of the header.

impl ScoredHeader for ExtendedHeader

type Value = U256

fn score(&self) -> &U256

Get the score of this header.

fn set_score(&mut self, score: U256)

Set the score of this header.

impl TotalScoredHeader for ExtendedHeader

type Value = U256

fn total_score(&self) -> U256

Get the total score of this header.

impl FinalizableHeader for ExtendedHeader

fn is_finalized(&self) -> bool

Get whether this header is considered finalized, so that it will never be replaced in reorganization.

impl WithMetadataHeader for ExtendedHeader

fn metadata(&self) -> Option<&[u8]>

Get the current header metadata.