Function spl_governance::tools::bpf_loader_upgradeable::assert_program_upgrade_authority_is_signer

pub fn assert_program_upgrade_authority_is_signer(
    program_address: &Pubkey, 
    program_data_info: &AccountInfo<'_>, 
    program_upgrade_authority_info: &AccountInfo<'_>
) -> Result<(), ProgramError>

Asserts the program is upgradable and its upgrade authority is a signer of the transaction