Struct tendermint::abci::types::Snapshot

pub struct Snapshot {
    pub height: Height,
    pub format: u32,
    pub chunks: u32,
    pub hash: Bytes,
    pub metadata: Bytes,
}

Used for state sync snapshots.

When sent across the network, a Snapshot can be at most 4 MB.

ABCI documentation

Fields

height: Height

The height at which the snapshot was taken

format: u32

The application-specific snapshot format identifier.

This allows applications to version their snapshot data format and make backwards-incompatible changes. Tendermint does not interpret this field.

chunks: u32

The number of chunks in the snapshot. Must be at least 1.

hash: Bytes

An arbitrary snapshot hash.

This hash must be equal only for identical snapshots across nodes. Tendermint does not interpret the hash, only compares it with other hashes.

metadata: Bytes

Arbitrary application metadata, e.g., chunk hashes or other verification data.

Trait Implementations

impl Clone for Snapshot

fn clone(&self) -> Snapshot

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for Snapshot

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

Formats the value using the given formatter.

impl From<Snapshot> for Snapshot

fn from(snapshot: Snapshot) -> Self

Performs the conversion.

impl PartialEq<Snapshot> for Snapshot

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

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

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

This method tests for !=.

impl Protobuf<Snapshot> for Snapshot

fn encode<B>(&self, buf: &mut B) -> Result<(), Error> where
    B: BufMut, 

Encode into a buffer in Protobuf format.

fn encode_length_delimited<B>(&self, buf: &mut B) -> Result<(), Error> where
    B: BufMut, 

Encode with a length-delimiter to a buffer in Protobuf format.

fn decode<B>(buf: B) -> Result<Self, Error> where
    B: Buf, 

Constructor that attempts to decode an instance from a buffer.

fn decode_length_delimited<B>(buf: B) -> Result<Self, Error> where
    B: Buf, 

Constructor that attempts to decode a length-delimited instance from the buffer.

fn encoded_len(&self) -> usize

Returns the encoded length of the message without a length delimiter.

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

Encodes into a Protobuf-encoded Vec<u8>.

fn decode_vec(v: &[u8]) -> Result<Self, Error>

Constructor that attempts to decode a Protobuf-encoded instance from a Vec<u8> (or equivalent).

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

Encode with a length-delimiter to a Vec<u8> Protobuf-encoded message.

fn decode_length_delimited_vec(v: &[u8]) -> Result<Self, Error>

Constructor that attempts to decode a Protobuf-encoded instance with a length-delimiter from a Vec<u8> or equivalent.

impl TryFrom<Snapshot> for Snapshot

type Error = Error

The type returned in the event of a conversion error.

fn try_from(snapshot: Snapshot) -> Result<Self, Self::Error>

Performs the conversion.

impl Eq for Snapshot

impl StructuralEq for Snapshot

impl StructuralPartialEq for Snapshot