Trait EventLogReader 

pub trait EventLogReader: Send + Sync {
    // Required methods
    fn read_event_log(&self, prefix: &Prefix) -> Result<Vec<u8>, StorageError>;
    fn read_event_at(
        &self,
        prefix: &Prefix,
        seq: u64,
    ) -> Result<Vec<u8>, StorageError>;
}

Reads serialized key event log (KEL) entries for a KERI prefix.

Implementations provide access to the ordered event history without exposing how or where events are stored.

Usage:

use auths_core::ports::storage::EventLogReader;
use auths_verifier::keri::Prefix;

fn latest_event(reader: &dyn EventLogReader, prefix: &Prefix) -> Vec<u8> {
    let full_log = reader.read_event_log(prefix).unwrap();
    full_log
}

Required Methods

fn read_event_log(&self, prefix: &Prefix) -> Result<Vec<u8>, StorageError>

Returns the complete serialized event log for the given KERI prefix.

Args:

• prefix: The KERI prefix identifying the event log to read.

Usage:

let prefix = Prefix::new_unchecked("EAbcdef...".into());
let log_bytes = reader.read_event_log(&prefix)?;

fn read_event_at( &self, prefix: &Prefix, seq: u64, ) -> Result<Vec<u8>, StorageError>

Returns a single serialized event at the given sequence number.

Args:

• prefix: The KERI prefix identifying the event log.
• seq: The zero-based sequence number of the event to retrieve.

Usage:

let prefix = Prefix::new_unchecked("EAbcdef...".into());
let inception = reader.read_event_at(&prefix, 0)?;

Implementors