Fun fact one: Another account can liked comment in draft block, and it will get contribution.
Fun fact two: in one-two hour considred real contribution on comment/post from like.
And i'm conducted an experiment: call different color, and we put like on comment. And now i can tell: Blue get 3 contribution. Purple get 5 contribution. Yellow (2100-2299) get 8 contribution. Red (2400-2599) get 10 contribution. I don't know, this considered from now rating or max rating, and i don't get information for another color.