on script load:
    register new shaped recipe for planks:4 named "&1Obsydianiarka" using redstone, redstone, redstone, water bucket, dispenser, lava bucket, stone, stone, stone
    register new shaped recipe for planks:4 named "&1Obsydianiarka" using redstone, redstone, redstone, lava bucket, dispenser, water bucket, stone, stone, stone

On place planks:4:
        name of player's tool is "&1Obsydianiarka"
        add location of target block to {hardcoreobs::*}

on break planks:4:
        cancel event
        set block to air
        drop planks:4 named "&1Obsydianiarka"
        loop {hardcoreobs::*}:
                if loop-value is location of target block:
                        remove location of target block from {hardcoreobs::*}
on explode :
    loop blocks in radius 3 of event-location:
        loop {hardcoreobs::*}:
            loop-value is location of loop-block
            remove loop-value from {hardcoreobs::*}
every 1 real second:
        loop {hardcoreobs::*}:
                if block above loop-value is air:
                        loop blocks in radius 1:
                                loop-block is chest:
                                        loop items of redstone:
                                            loop-block contains loop-item
                                            remove loop-item from loop-block
                                            set block above loop-value to obsidian