Struct BlockUndo 

pub struct BlockUndo {
    pub n_tx_undo: usize,
    /* private fields */
}

The undo data of a block is used internally during re-orgs. It holds the previous transaction outputs of a block’s transactions. This data may be useful for building indexes.

Fields

n_tx_undo: usize

Implementations

impl BlockUndo

pub fn get_transaction_undo_size(&self, transaction_index: u64) -> u64

Gets the number of previous outputs associated with a transaction in a Block by its index.

pub fn get_prevout_height_by_index( &self, transaction_index: u64, prevout_index: u64, ) -> Result<u32, KernelError>

Gets the previous output creation height by its index.

pub fn get_prevout_by_index( &self, transaction_index: u64, prevout_index: u64, ) -> Result<TxOut, KernelError>

Gets the previous output of a transaction by its index.

Trait Implementations

impl Drop for BlockUndo

fn drop(&mut self)

Executes the destructor for this type.

impl Send for BlockUndo

impl Sync for BlockUndo