Function indy_sys::payments::indy_get_request_info

#[no_mangle]
pub unsafe extern "C" fn indy_get_request_info(
    command_handle: CommandHandle, 
    get_auth_rule_resp_json: CString, 
    requester_info_json: CString, 
    fees_json: CString, 
    cb: Option<ResponseStringCB>
) -> Error