1.10 timbermod commands

only works with diamond axe

without commandblocks:
/scoreboard objectives add chopped dummy
/scoreboard objectives add axe dummy

® = repeating
© = chain


®/scoreboard players set @a axe 1 {SelectedItem:{id:minecraft:diamond_axe}}

©/scoreboard players set @e[type=Item] chopped 1 {Item:{id:"minecraft:log"}}

©/execute @e[score_chopped_min=1] ~ ~ ~ detect ~ ~1 ~ minecraft:log 0 /setblock ~ ~1 ~ air 0 destroy