get Authorization Hash
open fun getAuthorizationHash(chainId: Array<Byte>, contractAddress: String, nonce: Array<Byte>): Array<Byte>
Computes an Authorization hash in [EIP-7702 format](https://eips.ethereum.org/EIPS/eip-7702) `keccak256('0x05' || rlp([chain_id, address, nonce]))`.
Return
The authorization hash.
Parameters
chain_id
The chain ID of the user.
contract_address
The address of the smart contract wallet.
nonce
The nonce of the user.