Wave Gadget that allows voting by participants

This is my first attempt at making an extension, or using an API of any kind. The project is to create a gadget for wave with an attractive UI that will allow participants of a wave to vote on an issue. I am aware that a gadget like this probably already exists, so the purpose of this project is more for me to get experience. The voter should be able to accept votes blindly (never record voter id), openly (record and show voter id while voting is still opened), or blindly until voting is closed. The gadget initiator should be able to decide whether the voting will close after all participants of the wave have voted, or at a set time.