ClientSide for ParkourCraft Server

-- ClientSide for ParkourCraft Server - Remade by Miguel Rodriguez --
-- Original script by AquaJD(pastebin.com/u/AquaJD) --

side = "top"
doorSide = "bottom"
serverID = 4
rednet.open(side)
os.pullEvent = os.pullEventRaw
while true do
 event, p1 = os.pullEvent()
 if event == "player" then
            rednet.send(serverID,p1)
            local senderID,message,distance = rednet.receive(5)
            if senderID == serverID then
                if message == "CODE_ACCEPT" then
                    term.setCursorPos(6,13)
                    print("Server responded!")
                    term.setCursorPos(6,14)
                    print("Password accepted!")
                    sleep(1)
                    rs.setOutput(doorSide,true)
                    sleep(3)
                    os.shutdown()
                elseif message == "CODE_DECLINE" then
                    term.setCursorPos(6,13)
                    print("Server responded!")
                    term.setCursorPos(6,14)
                    print("Password declined!")
                    sleep(3)
                    os.shutdown()
                end
            else
                term.setCursorPos(6,13))
                print("Server did not respond.")
                term.setCursorPos(6,14)
                print("Please notify your Server Admin.")
                sleep(3)
                os.shutdown()
            end
        end
    end
end