attack turtle

local run=true
local attack = false
peripheral.wrap("left")
rednet.open("left")
while run==true do
    while attack == false do
        local senderId, message, protocol = rednet.receive("start")
        attack==true
    end
    while attack == true do
        turtle.attack()
        local senderId, message, protocol = rednet.receive("stop",1)
        if message=="stop" then
            attack==false
        end

    end
end