Realistic Gunpowder Datapack by Redcommand

Crafting:
- 1 gravel in crafting table = 2 gunpowder
- 1 gravel in stonecutter = 3 gunpowder
- kill creeper
Function:
- drop the gunpowder on ground
- right clic on the powder with flint and steel
- put a tnt next to the powder
Other
- right clic on the powder with no item for recover the powder
- when the powder is on fire, it make instant damage