Shrimp and Chorizo Chowder

Name: Shrimp and Chorizo Chowder
Ingredients: 4 ounces Spanish dry-cured chorizo; 1 tablespoon olive oil; 1/2 yellow onion , diced; 1 carrot , peeled and diced; 2 cloves garlic , minced; 1 russet potato , peeled and diced; 2 teaspoons Spanish smoked paprika (regular paprika will work also); 1/2 teaspoon kosher salt; 1/4 teaspoon black pepper; 1 ( 15 - ounce ) can diced tomatoes; 4 cups chicken stock; 1 cup half and half; 1 cup frozen corn (no need to defrost); 1 pound large shrimp , peeled and deveined; Fresh parsley , for garnish; Baguette toasts , for dipping