You are very good at what you are doing. Thus it's only a matter of time when someone suggests you take on a much bigger role.

Before jumping at this  great opportunity (with a greater salary) you need to ask yourself two questions:

Do I have what it takes to be successful in this role?

and

Do I really want this?

Too often, unfortunately, managers are promoted because of past performance without evaluating the incumbent's potential to perform on a higher level, and her or his willingness to pay the price for it. The consequences are painful for all: the company, the team, and of course for the manager.

The article below deals with the need for passion—which at times means suffering and hurt. Do you have the passion to lead?

If you want to explore more, also check out 

Trap #4 That Can Sabotage Your New Executive Career — The Skills You Never Knew You Needed

and

Trap #9 That Can Sabotage Your New Executive Career — Losing Yourself in the Rush to Success