This is it! I think this is a cool bass line.
The song mainly consists of 2 riffs( and a bridge but that one sucks don't u think?)
(+ = beat)

Riff #1:
G|---------3------|----------------|
D|------345-55----|----3-4-5-------|
A|3----5---------3|-33---------1===|
E|----------------|----------------|
  +   +   +   +    +   +   +   +   

G|---------3------|----------------|
D|------345-55----|----------------|
A|3----5--------05|-55---------1===|
E|----------------|----1-2-3-------|
  +   +   +   +    +   +   +   +   

Riff #2:
G|----------------|----------------|
D|-------010------|----------------|
A|3-----3---31----|------1-0---1==-|
E|------------3---|--3-------------|
  +   +   +   +    +   +   +   +   

G|----------------|----------------|
D|-------010------|------------0===|
A|3-----3---31----|------1-0-------|
E|------------3---|--3-------------|
  +   +   +   +    +   +   +   +   

The song is like this:

*Intro  #1 - #1
*Verse  #1 - #1 - #2
*Chorus #1 - #1 - #1
*Verse  #1 - #1 - #2
*Chorus #1 - #1 - #1
*Bridge ....... - #2
*Fade out repeating #1