initial commit

pricing/pricing.go

@@ -0,0 +1,19 @@
+package pricing
+
+import "fmt"
+
+type PricingService interface {
+	Prices(vars map[string]any) (map[string]Price, error)
+}
+
+func NewPricingService(implementation string) (PricingService, error) {
+	switch implementation {
+	case "mms43":
+		return NewMMS43PricingService()
+	case "pfm63":
+		return NewPFM63PricingService()
+	default:
+		return nil, fmt.Errorf("pricing implementation %v is not supported", implementation)
+
+	}
+}