fn key_from_full_binary()

in akd/src/storage/types.rs [108:120]

• 11 lines of code
• 3 McCabe index (conditional complexity)

    fn key_from_full_binary(bin: &[u8]) -> Result<ValueStateKey, String> {
        if bin.len() < 10 {
            return Err("Not enough bytes to form a proper key".to_string());
        }

        if bin[0] != StorageType::ValueState as u8 {
            return Err("Not a value state key".to_string());
        }

        let epoch_bytes: [u8; 8] = bin[1..=8].try_into().expect("Slice with incorrect length");
        let epoch = u64::from_le_bytes(epoch_bytes);
        Ok(ValueStateKey(bin[9..].to_vec(), epoch))
    }