Struct darkfi::blockchain::tx_store::TxStoreOverlay
source · pub struct TxStoreOverlay(SledDbOverlayPtr);
Expand description
Overlay structure over a TxStore
instance.
Tuple Fields§
§0: SledDbOverlayPtr
Implementations§
source§impl TxStoreOverlay
impl TxStoreOverlay
pub fn new(overlay: &SledDbOverlayPtr) -> Result<Self>
sourcepub fn insert(
&self,
transactions: &[Transaction],
) -> Result<Vec<TransactionHash>>
pub fn insert( &self, transactions: &[Transaction], ) -> Result<Vec<TransactionHash>>
Insert a slice of Transaction
into the overlay’s main tree.
The transactions are hashed with BLAKE3 and this hash is used as
the key, while the value is the serialized Transaction
itself.
On success, the function returns the transaction hashes in the same
order as the input transactions.
sourcepub fn insert_location(
&self,
txs_hashes: &[TransactionHash],
block_height: u32,
) -> Result<()>
pub fn insert_location( &self, txs_hashes: &[TransactionHash], block_height: u32, ) -> Result<()>
Insert a slice of TransactionHash
into the overlay’s location tree.
The location tuple is built using the index of each transaction hash
in the slice, along with the provided block height
sourcepub fn get(
&self,
tx_hashes: &[TransactionHash],
strict: bool,
) -> Result<Vec<Option<Transaction>>>
pub fn get( &self, tx_hashes: &[TransactionHash], strict: bool, ) -> Result<Vec<Option<Transaction>>>
Fetch given tx hashes from the overlay’s main tree.
The resulting vector contains Option
, which is Some
if the tx
was found in the overlay, and otherwise it is None
, if it has not.
The second parameter is a boolean which tells the function to fail in
case at least one tx was not found.
sourcepub fn get_raw(&self, tx_hash: &[u8; 32]) -> Result<Option<Vec<u8>>>
pub fn get_raw(&self, tx_hash: &[u8; 32]) -> Result<Option<Vec<u8>>>
Fetch given tx hash from the overlay’s main tree. This function uses
raw bytes as input and doesn’t deserialize the retrieved value.
The resulting vector contains Option
, which is Some
if the tx
was found in the overlay, and otherwise it is None
, if it has not.
sourcepub fn get_location_raw(&self, tx_hash: &[u8; 32]) -> Result<Option<Vec<u8>>>
pub fn get_location_raw(&self, tx_hash: &[u8; 32]) -> Result<Option<Vec<u8>>>
Fetch given tx hash location from the overlay’s location tree.
This function uses raw bytes as input and doesn’t deserialize the
retrieved value. The resulting vector contains Option
, which is
Some
if the location was found in the overlay, and otherwise it
is None
, if it has not.
Auto Trait Implementations§
impl Freeze for TxStoreOverlay
impl RefUnwindSafe for TxStoreOverlay
impl Send for TxStoreOverlay
impl Sync for TxStoreOverlay
impl Unpin for TxStoreOverlay
impl UnwindSafe for TxStoreOverlay
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