goldtouch = {}
goldtouch.players = {}

minetest.register_chatcommand("goldtouch", {
    params = "singleplayer",
    func = function (name, param)
        if not goldtouch.players[name] then
            goldtouch.players[name] = true
        else
            goldtouch.players[name] = not goldtouch.players[name]
        end
    end
})