Man, this is sad. But calm down, you will download your assignment. Send an email to
who2contact@sun.com, explain the situation and they will solve your problem.
But, you said that you made a money transaction? That's weird. When I started the SCJD program, I bought a regular voucher, called Sun (from Sao Paulo, Brazil), and asked them how I should proceed. They sent me an email, asking some information and the voucher #. I replied. Then, they sent me an email back, with an URL, username, password and instructions to download the project. I logged in, and downloaded the project.
I don't know what is the procedure in your coutry, but how was this money transaction, exactly?