Configure the owner's token account for confidential transfers, in one transaction: create the
associated token account if needed, make room for the extension, set the owner's ElGamal key
and an encrypted zero balance, and verify the pubkey-validity proof.
Configure the owner's token account for confidential transfers, in one transaction: create the associated token account if needed, make room for the extension, set the owner's ElGamal key and an encrypted zero balance, and verify the pubkey-validity proof.