The Bass part in the song made of 3 parts:

Riff 1:

G|------------|------------|----------|-----|
D|----------1-|----------1-|----------|-----|
A|----2--4----|----2--4----|----------|-----|
E|-4----------|-4----------|-2--(2)\--|-----|


Riff 2:

G|-----------------|-----------------|
D|-----------------|-----------------|
A|-6-6-6-6---------|-6-6-6-6---------|
E|---------7-7-7-7-|---------7-7-7-7-|

Riff 3:
G|-----------------|-----------------|
D|-----------------|-----------------|
A|-6---4---2---2---|-6---4---2---2---|
E|-----------------|-----------------|


enjoy...