chest check test

function checkAge()
    isBlock, data = turtle.inspect()
    if (data['state']['age'] == 7)
    then
        isgrown = true
    elseif (data['state']['age'] ~= 7)
    then
        isgrown = false
    end
end

function waitForGrowth()
    checkAge()
    while isgrown == false do
        sleep(5)
        checkAge()
    end
end

function getFuelIndex()
    for slotNum = 1, 16, 1 do
      local Item = turtle.getItemDetail(slotNum)
      if(Item ~=nil) then
        if(Item["name"] == "minecraft:coal_block" or Item["name"] == "actuallyadditions:block_misc" or Item["name"] == "quark:charcoal_block") then
          return slotNum
        end
      end
    end
end

function refuel()
    if(turtle.getFuelLevel() < 400) then
    Index = getFuelIndex()
      if(Index ~= nil) then
      turtle.select(Index)
      turtle.refuel(2)
      end
    end
end

function getCarrotIndex()
    for slotNum = 1, 16, 1 do
        local item = turtle.getItemDetail(slotNum)
        if(item ~=nil) then
            if(item["name"] == "minecraft:carrot") then
                return slotNum
            end
        end
    end
end

function harvest()
    turtle.dig()
    turtle.suck()
    index = getCarrotIndex()
    turtle.select(index)
    turtle.place()
    local carrotNum = turtle.getItemCount() - 1
    turtle.dropDown(carrotNum)
end

function goLeft()
    turtle.turnLeft()
    local isBlock = turtle.detect()
    if isBlock == true then
        state, tags = turtle.inspect()
            if (tags.name == "quark:oak_chest") then
                getFuelIndex()
                local coalBlocks = turtle.getItemCount()
                if coalBlocks <= 4 then
                    turtle.suck(30)
                    turtle.turnLeft()
                    waitForGrowth()
                    harvest()
                end
        elseif (tags.name ~= "quark:oak_chest") == false then
            turtle.forward()
            turtle.turnRight()
            end
    elseif isBlock ~= true then
        turtle.forward()
        turtle.turnRight()
        end
end


while true do
    goLeft()
    harvest()
end