Coffee Toffee Pie

• 2 eggs
• 1 unsweetened chocolate (square grated)
• 1 unsweetened chocolate melted (square)
• 1 espresso powder
• 1 chocolate curls
• 475 ml whipping cream
• 150 gr sugar
• 100 gr confectioners sugar
• 90 gr walnuts (finely chopped)
• 65 gr butter soft (unsalted)