on script load:
        register new shaped recipe for Obsidian named "&a&lBoyFarmer" using Obsidian, Obsidian, Obsidian, Obsidian, golden apple, Obsidian, Obsidian, Obsidian, Obsidian
on place:      
        if player's tool is Obsidian named "&a&lBoyFarmer":
                loop blocks under event-block:
                        loop-block is bedrock:
                                stop loop
                        else:
                                set loop-block to Obsidian