Charles Phans Hoi An Wontons with Spicy Tomato Sauce

Name: Charles Phan's Hoi An Wontons with Spicy Tomato Sauce
Ingredients: Tomato Sauce; 2 tablespoons canola oil; 3/4 cup thinly sliced shallots; 2 teaspoons minced garlic; 4 Thai chiles, stemmed and minced; 2 tablespoons rice wine; 2 pounds ripe tomatoes (such as Roma or Early Girl), cored and diced; 3/4 cups chicken stock; 1 tablespoon fish sauce; Pork and Shrimp Wonton Filling; 8 ounces shrimp, peeled, deveined, and finely chopped; 4 ounces ground pork; 1/3 cup fried shallots; 3 tablespoons shallot oil; 1 1/3 cups finely chopped fresh water chestnuts or jicama; 1/3 cup black trumpet mushrooms; 2 tablespoons finely chopped fresh cilantro; 2 tablespoons finely chopped scallion, white and light green parts only; 1 tablespoon plus 1 teaspoon oyster sauce; 1 tabelspoon sesame seeds, toasted and ground to a coarse powder; 1 tablespoon finely minced shallot; 2 teaspoons toasted sesame oil; Pinch ground black pepper; 50 square wonton wrappers (1-pound package); Cornstarch, for dusting; Canola oil, for deep-frying