==============================================
Open Cydia and tap on upgrade essential to get the cydia store 
Although it is hard to say, but the cydia store first app has been cracked. I Would recommend to try this and if you do to buy it because jay freeman gave us cydia, he is BOSS
Get the cracked files here ***** CYNTACTS *****
put the downloaded fies in root/library/mobilsubstrate/dynamiclibraries/ and set the file permissions to 777