Chocolate/blueberry Wine Sponge Cake

• 4 eggs
• 2 expresso powder
• 400 gr cofectionerssugar
• 160 gr cake flour
• 150 gr semi-sweet chocolate chips
• 120 ml milk
• 120 ml blueberry wine
• 110 gr semi-sweet chocolate
• 60 ml blueberry wine
• 12 gr baking powder