Utilizing the open E string, the 5th and 7th frets of the A string and the 5th fret of the D string you should be able to play 99% of the bass parts performed in that track.
The main riff sounds like
------------
----------5-
777--5777-7
----0-------
He alternates between the 7th fret and the 5th fret of the A string for the first note of the phrase, so feel alternate as your heart sees fit.
BTW, their guitarist Isaiah's dad is a member of this forum. Met him at the SD get together a while ago, real nice guy.