LUA scripting using ChatGPT for the LogicMachine

Code:
-- Import required libraries

local http = require("socket.http")

local ltn12 = require("ltn12")

local mime = require("mime")

local storage = require("storage")



-- Define your No-IP account details

local username = "your_noip_username"

local password = "your_noip_password"

local hostname = "your_noip_domain"



-- Define the URL for retrieving the external IP address

local ipUrl = "http://api.ipify.org/"



-- Perform the request to retrieve the IP address

local response = {}

local result, status = http.request {

  url = ipUrl,

  method = "GET",

  sink = ltn12.sink.table(response)

}



-- Check the response status

if status == 200 then

  local externalIP = table.concat(response)

  log("External IP address: " .. externalIP)

  

  -- Retrieve the stored IP address from LogicMachine storage

  local storedIP = storage.get("externalip")

  

  -- Compare the retrieved IP with the stored IP

  if storedIP == externalIP then

    log("No change in IP address. No update needed.")

    return

  end

  

  -- Save the updated IP address to LogicMachine storage

  storage.set("externalip", externalIP)

  log("IP address updated and saved to LogicMachine storage.")

  

  -- Continue with No-IP update code

  -- Define the update URL with the retrieved IP address

  local updateUrl = "http://dynupdate.no-ip.com/nic/update?hostname=" .. hostname .. "&myip=" .. externalIP

  

  -- Define the authentication header

  local auth = username .. ":" .. password

  local authHeader = "Basic " .. (mime.b64(auth))



  -- Define the request headers

  local headers = {

    ["Authorization"] = authHeader

  }



  -- Perform the update request

  local updateResponse = {}

  local updateResult, updateStatus = http.request {

    url = updateUrl,

    method = "GET",

    headers = headers,

    sink = ltn12.sink.table(updateResponse)

  }



  -- Check the update response status

  if updateStatus == 200 then

    local responseBody = table.concat(updateResponse)

    log("Update successful. Response from No-IP: " .. responseBody)

  else

    log("Update failed. Status code: " .. updateStatus)

  end

else

  log("Failed to retrieve the external IP address. Status code: " .. status)

end