Struct casper_node::types::BlockHeader

pub struct BlockHeader { /* private fields */ }

The header portion of a Block.

Implementations

impl BlockHeader

pub fn parent_hash(&self) -> &BlockHash

The parent block’s hash.

pub fn state_root_hash(&self) -> &Digest

The root hash of the resulting global state.

pub fn body_hash(&self) -> &Digest

The hash of the block’s body.

pub fn random_bit(&self) -> bool

A random bit needed for initializing a future era.

pub fn accumulated_seed(&self) -> Digest

A seed needed for initializing a future era.

pub fn era_end(&self) -> Option<&EraEnd>

Returns the EraEnd of a block if it is a switch block.

pub fn timestamp(&self) -> Timestamp

The timestamp from when the block was proposed.

pub fn era_id(&self) -> EraId

Era ID in which this block was created.

pub fn next_block_era_id(&self) -> EraId

Returns the era ID in which the next block would be created (that is, this block’s era ID, or its successor if this is a switch block).

pub fn height(&self) -> u64

Returns the height of this block, i.e. the number of ancestors.

pub fn protocol_version(&self) -> ProtocolVersion

Returns the protocol version of the network from when this block was created.

pub fn is_switch_block(&self) -> bool

Returns true if this block is the last one in the current era.

pub fn next_era_validator_weights(&self) -> Option<&BTreeMap<PublicKey, U512>>

The validators for the upcoming era and their respective weights (if this is a switch block).

pub fn maybe_take_next_era_validator_weights( self ) -> Option<BTreeMap<PublicKey, U512>>

Takes the validators for the upcoming era and their respective weights (if this is a switch block).

pub fn block_hash(&self) -> BlockHash

Hash of the block header.

Trait Implementations

impl Clone for BlockHeader

fn clone(&self) -> BlockHeader

Returns a copy of the value.

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

Performs copy-assignment from source.

impl DataSize for BlockHeader

const IS_DYNAMIC: bool = true

If true, the type has a heap size that can vary at runtime, depending on the actual value.

const STATIC_HEAP_SIZE: usize = 0usize

The amount of space a value of the type always occupies. If IS_DYNAMIC is false, this is the total amount of heap memory occupied by the value. Otherwise this is a lower bound.

fn estimate_heap_size(&self) -> usize

Estimates the size of heap memory taken up by this value.

fn estimate_detailed_heap_size(&self) -> MemUsageNode

Create a tree of memory estimations.

impl Debug for BlockHeader

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

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for BlockHeader

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

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Display for BlockHeader

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

Formats the value using the given formatter.

impl From<BlockHeader> for JsonBlockHeader

fn from(block_header: BlockHeader) -> Self

Converts to this type from the input type.

impl From<JsonBlockHeader> for BlockHeader

fn from(block_header: JsonBlockHeader) -> Self

Converts to this type from the input type.

impl FromBytes for BlockHeader

fn from_bytes(bytes: &[u8]) -> Result<(Self, &[u8]), Error>

Deserializes the slice into Self.

fn from_vec(bytes: Vec<u8>) -> Result<(Self, Vec<u8>), Error>

Deserializes the Vec<u8> into Self.

impl PartialEq for BlockHeader

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

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

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

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

impl Serialize for BlockHeader

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

where __S: Serializer,

Serialize this value into the given Serde serializer.

impl ToBytes for BlockHeader

fn to_bytes(&self) -> Result<Vec<u8>, Error>

Serializes &self to a Vec<u8>.

fn serialized_length(&self) -> usize

Returns the length of the Vec<u8> which would be returned from a successful call to to_bytes() or into_bytes(). The data is not actually serialized, so this call is relatively cheap.

fn into_bytes(self) -> Result<Vec<u8>, Error>

where Self: Sized,

Consumes self and serializes to a Vec<u8>.

fn write_bytes(&self, writer: &mut Vec<u8>) -> Result<(), Error>

Writes &self into a mutable writer.

impl Eq for BlockHeader