Struct Block 

pub struct Block {
    pub hash: BlockHash,
    pub prev_hash: BlockHash,
    pub sequence: u64,
    pub timestamp: DateTime<Utc>,
    pub block_type: BlockType,
    pub content: BlockContent,
    pub size_bytes: u32,
}

A content-addressed, immutable block. Once written, never modified. Never deleted.

Fields

hash: BlockHash

BLAKE3 hash of content (also serves as ID)

prev_hash: BlockHash

Hash of previous block (integrity chain)

sequence: u64

Sequence number (monotonic, gap-free)

timestamp: DateTime<Utc>

When this block was created

block_type: BlockType

Block type

content: BlockContent

The actual content

size_bytes: u32

Size in bytes (for budgeting)

Implementations

impl Block

pub fn new( prev_hash: BlockHash, sequence: u64, block_type: BlockType, content: BlockContent, ) -> Self

Create a new block

pub fn verify(&self) -> bool

Verify block integrity

pub fn content_summary(&self) -> String

Get a short summary of block content (for display).

pub fn extract_text(&self) -> Option<String>

Extract text from block content (for indexing)

Trait Implementations

impl Clone for Block

fn clone(&self) -> Block

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for Block

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

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for Block

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

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Serialize for Block

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

where __S: Serializer,

Serialize this value into the given Serde serializer.