mine aura and instant mine with performance fixes

local localPlayer = game:GetService("Players").LocalPlayer
local cd = 0
local minerate = 0.05
local range = 20
local mineaura = false
local nocd = false

local library = loadstring(game:HttpGet(('https://raw.githubusercontent.com/dementiaenjoyer/UI-LIBRARIES/refs/heads/main/wally-modified/source.lua')))()
local window = library:CreateWindow('Credit: Neutral')
window:Section('Blatant')
window:Toggle("Mining Aura",{},function(value)
mineaura = value
end)
window:Slider("Mining Rate",{default=0.05,min=0,max=1,precise=true},function(value)
minerate = value
end)
window:Slider("Aura Range",{default=20,min=0,max=100,precise=false},function(value)
range = value
end)
window:Section('Legit')
window:Toggle("No Cooldown",{},function(value)
nocd = value
end)

game:GetService("RunService").RenderStepped:Connect(function(delta)
    cd += delta
    local character = localPlayer.Character
    local tool = character:FindFirstChildWhichIsA("Tool")
    local pickaxe 
    local remote

    if tool and string.find(string.lower(tool.Name),"pickaxe") then
        pickaxe = tool
        if nocd then
            pickaxe:SetAttribute("DelayTime",0)
        end
        local script = getsenv(pickaxe.Handler)
        for key,rem in script._G.Client.CachedRemotes do
            if key == "0	-" then
                remote = rem
            end
        end
    end

    if mineaura and pickaxe and remote and cd > minerate then
        cd = 0
        local blocks = {}
        for _,v in workspace.Places.World.Cubes:GetDescendants() do
            if v.ClassName == "Part" then
                if v:GetAttribute("CubeName") then
                    blocks[v.Name] = v.CFrame
                elseif v.Name == "Main" then
                    blocks[v.Parent.Name] = v.CFrame
                end
            end
        end
        for i,v in blocks do
            if (character.HumanoidRootPart.CFrame.Position - v.Position).Magnitude < range then
                game:GetService("ReplicatedStorage").REM[remote]:FireServer({Position = i})
            end
        end
    end
end)