Function mpl_token_metadata::deprecated_processor::process_deprecated_update_metadata_accounts

pub fn process_deprecated_update_metadata_accounts(
    program_id: &Pubkey,
    accounts: &[AccountInfo<'_>],
    optional_data: Option<Data>,
    update_authority: Option<Pubkey>,
    primary_sale_happened: Option<bool>
) -> ProgramResult

Update existing account instruction