fn fragment_log_timestamp_to_blockdate(
timestamp: SecondsSinceUnixEpoch,
timeframe: &TimeFrame,
era: &TimeEra
) -> Option<BlockDate>
fn fragment_log_timestamp_to_blockdate(
timestamp: SecondsSinceUnixEpoch,
timeframe: &TimeFrame,
era: &TimeEra
) -> Option<BlockDate>