Trait sn_dbc::SpendBook

pub trait SpendBook: Debug + Clone {
    type Error: Error;
    fn lookup(
        &self, 
        spend_key: &SpendKey
    ) -> Result<Option<&DbcTransaction>, Self::Error>;
    fn log(
        &mut self, 
        spend_key: SpendKey, 
        transaction: DbcTransaction
    ) -> Result<(), Self::Error>;
}

The SpendBook logs all spent DBC’s.

Associated Types

type Error: Error

Required methods

fn lookup(
    &self,
    spend_key: &SpendKey
) -> Result<Option<&DbcTransaction>, Self::Error>

fn log(
    &mut self,
    spend_key: SpendKey,
    transaction: DbcTransaction
) -> Result<(), Self::Error>

Implementors

impl SpendBook for SimpleSpendBook

type Error = Infallible