This is an accurate fiddle tune style arrangement on guitar. To reproduce the melody as played on fiddle we need to dive into some serious cross-picking. It's definitely a challenge, but if you start learning this tune at a low setting on the difficulty slider, it will be very manageable and you'll be able to add just the right amount of difficulty as you move a long.
Don't forget to use the Tunefox Tutor for your practice sessions. It will guide and automatically move the difficulty settings after play throughs and give you helpful playing tips from time to time. If you are practicing on the web, the tutor is in the lower right hand corner. On iOS or Android, it is the graduate cap icon in the top right.