Struct BlockIdentifier 

pub struct BlockIdentifier {
    pub chain_id: u32,
    pub number: u64,
    pub hash: Hash256,
}

Type used to identify blocks.

In principle a block is uniquely defined by its hash, however it may be useful to know where to find the block. A BlockIdentifier adds the chain-id and block-number to the hash, so we can easily lookup a block based on its identifier.

Fields

chain_id: u32

Chain-ID of the block.

number: u64

Number of the block.

hash: Hash256

Hash of the block.

Note: The hash of a block is not the hash over the serialized data. It is the sum of three hashes: Hash(Header) + MerkleRoot(Txs) + MerkleRoot(SignatureWithKeys)

Implementations

impl BlockIdentifier

pub fn new(chain_id: u32, number: u64, hash: Hash256) -> BlockIdentifier

Constructs a new BlockIdentifier from its raw parts

pub fn genesis(chain_id: u32) -> BlockIdentifier

pub fn from_bytes( bytes: Vec<u8>, ) -> Result<BlockIdentifier, InvalidBlockIdentifier>

Decodes a BlockIdentifier from bytes

pub fn to_bytes(&self) -> Vec<u8>

Encodes a BlockIdentifier to bytes

Trait Implementations

impl Clone for BlockIdentifier

fn clone(&self) -> BlockIdentifier

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for BlockIdentifier

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

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for BlockIdentifier

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

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Display for BlockIdentifier

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

Formats the value using the given formatter.

impl Hash for BlockIdentifier

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 BlockIdentifier

fn cmp(&self, other: &BlockIdentifier) -> 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.

impl PartialEq for BlockIdentifier

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

Tests for self and other values to be equal, and is used by ==.

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

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl PartialOrd for BlockIdentifier

fn partial_cmp(&self, other: &BlockIdentifier) -> 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 BlockIdentifier

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 Eq for BlockIdentifier

impl StructuralPartialEq for BlockIdentifier