This module implements the session auth validator.
use 0x1::option;
use 0x1::vector;
use 0x2::hash;
use 0x2::tx_context;
use 0x3::auth_validator;
use 0x3::ed25519;
use 0x3::session_key;
struct SessionValidator has drop, store
there defines auth validator id for each auth validator
const SESSION_VALIDATOR_ID: u64 = 0;
const SIGNATURE_SCHEME_ED25519: u8 = 0;
public fun auth_validator_id(): u64