Trait Ledger 

pub trait Ledger {
    // Required methods
    fn store_block(
        &mut self,
        header: &Header,
        txs: &[SpentTransaction],
        faults: &[Fault],
        label: Label,
    ) -> Result<usize>;
    fn delete_block(&mut self, b: &Block) -> Result<()>;
    fn block_header(&self, hash: &[u8]) -> Result<Option<Header>>;
    fn light_block(&self, hash: &[u8]) -> Result<Option<LightBlock>>;
    fn block(&self, hash: &[u8]) -> Result<Option<Block>>;
    fn block_hash_by_height(&self, height: u64) -> Result<Option<[u8; 32]>>;
    fn block_by_height(&self, height: u64) -> Result<Option<Block>>;
    fn block_exists(&self, hash: &[u8]) -> Result<bool>;
    fn ledger_tx(&self, tx_id: &[u8]) -> Result<Option<SpentTransaction>>;
    fn ledger_txs(
        &self,
        tx_ids: Vec<&[u8; 32]>,
    ) -> Result<Vec<SpentTransaction>>;
    fn ledger_tx_exists(&self, tx_id: &[u8]) -> Result<bool>;
    fn block_label_by_height(
        &self,
        height: u64,
    ) -> Result<Option<([u8; 32], Label)>>;
    fn store_block_label(
        &mut self,
        height: u64,
        hash: &[u8; 32],
        label: Label,
    ) -> Result<()>;
    fn faults_by_block(&self, start_height: u64) -> Result<Vec<Fault>>;
    fn faults(&self, faults_ids: &[[u8; 32]]) -> Result<Vec<Fault>>;
}

Implements both read-write and read-only transactions to DB.

Required Methods

fn store_block( &mut self, header: &Header, txs: &[SpentTransaction], faults: &[Fault], label: Label, ) -> Result<usize>

Read-write transactions Returns disk footprint of the committed transaction

fn delete_block(&mut self, b: &Block) -> Result<()>

fn block_header(&self, hash: &[u8]) -> Result<Option<Header>>

fn light_block(&self, hash: &[u8]) -> Result<Option<LightBlock>>

fn block(&self, hash: &[u8]) -> Result<Option<Block>>

fn block_hash_by_height(&self, height: u64) -> Result<Option<[u8; 32]>>

fn block_by_height(&self, height: u64) -> Result<Option<Block>>

fn block_exists(&self, hash: &[u8]) -> Result<bool>

fn ledger_tx(&self, tx_id: &[u8]) -> Result<Option<SpentTransaction>>

fn ledger_txs(&self, tx_ids: Vec<&[u8; 32]>) -> Result<Vec<SpentTransaction>>

fn ledger_tx_exists(&self, tx_id: &[u8]) -> Result<bool>

fn block_label_by_height( &self, height: u64, ) -> Result<Option<([u8; 32], Label)>>

fn store_block_label( &mut self, height: u64, hash: &[u8; 32], label: Label, ) -> Result<()>

fn faults_by_block(&self, start_height: u64) -> Result<Vec<Fault>>

fn faults(&self, faults_ids: &[[u8; 32]]) -> Result<Vec<Fault>>

Implementors

impl<'db, DB: DBAccess> Ledger for DBTransaction<'db, DB>