singnet#546

In case your license usage is consumed before expiry and you just want to have some additional discounted calls, one could buy these add-ons

blockchain/serviceMetadata.go

@@ -40,6 +40,13 @@ import (
             "group_id": "EoFmN3nvaXpf6ew8jJbIPVghE5NXfYupFF7PkRmVyGQ=",
 {
   "licenses": {
+    "addOns":[
+       { "discountInPercentage": 4,
+         "addOnCostInAGIX":70,
+         "creditsInAGIX":100
+         "name": "Get Additional Calls worth 100 AGIX for 70 AGIX"
+       }
+    ],
     "tiers": [{
       "type": "Tier",
       "planName": "Tier AAA",

license_server/license_storage.go

@@ -121,6 +121,7 @@ const (
 const (
 	SUBSCRIPTION = "SUBSCRIPTION"
 	TIER         = "TIER"
+	ADD_ON       = "ADD_ON"
 	AMOUNT       = "AMOUNT"
 	CALLS        = "CALLS"
 )
@@ -183,11 +184,19 @@ func (u ValidityPeriod) String() string {
 		u.StartTimeUTC, u.EndTimeUTC, u.UpdateTimeUTC)
 }
 
+type AddOn struct {
+	ChannelId *big.Int
+	Discount  Discount
+	//Expiry of AddOn will be tied to the license Type associated with it .
+	AssociatedLicense License
+	Details           *PricingDetails
+}
+
 type Subscription struct {
 	ChannelId           *big.Int
 	ServiceId           string
 	Validity            *ValidityPeriod
-	Details             *SubscriptionPricingDetails
+	Details             *PricingDetails
 	Discount            Discount
 	AuthorizedAddresses []string
 }
@@ -232,7 +241,7 @@ type TierPricingDetails struct {
 	ActualAmountSigned *big.Int
 }
 
-type SubscriptionPricingDetails struct {
+type PricingDetails struct {
 	CreditsInCogs        *big.Int // 100
 	FeeInCogs            *big.Int //20AGI ,
 	PlanName             string
@@ -241,7 +250,7 @@ type SubscriptionPricingDetails struct {
 	ServiceMethodDetails *ServiceMethodDetails //If this is null , implies it applies to all methods of the Service or just the one defined here
 }
 
-func (s SubscriptionPricingDetails) String() string {
+func (s PricingDetails) String() string {
 	return fmt.Sprintf("{CreditsInCogs:%v,FeeInCogs:%v,PlanName:%v"+
 		",ValidityInDays:%v,ActualAmountSigned:%v,ServiceMethodDetails:%v}",
 		s.CreditsInCogs, s.FeeInCogs, s.PlanName, s.ValidityInDays, s.ActualAmountSigned,
@@ -325,7 +334,7 @@ func serializeLicenseDetailsData(value interface{}) (slice string, err error) {
 	e := gob.NewEncoder(&b)
 	gob.Register(&Subscription{})
 	gob.Register(&ValidityPeriod{})
-	gob.Register(&SubscriptionPricingDetails{})
+	gob.Register(&PricingDetails{})
 	gob.Register(&TierPricingDetails{})
 	gob.Register(&DiscountPercentage{})
 	gob.Register(&ServiceMethodDetails{})
@@ -343,7 +352,7 @@ func deserializeLicenseDetailsData(slice string, value interface{}) (err error)
 	b := bytes.NewBuffer([]byte(slice))
 	gob.Register(&Subscription{})
 	gob.Register(&ValidityPeriod{})
-	gob.Register(&SubscriptionPricingDetails{})
+	gob.Register(&PricingDetails{})
 	gob.Register(&TierPricingDetails{})
 	gob.Register(&DiscountPercentage{})
 	gob.Register(&ServiceMethodDetails{})

license_server/license_storage_test.go

@@ -43,7 +43,7 @@ func Test_serializeLicenseDetailsData(t *testing.T) {
 			ValidityPeriod: validityPeriod,
 		},
 
-		Details: &SubscriptionPricingDetails{
+		Details: &PricingDetails{
 			PlanName:             "MyTestPlan",
 			ActualAmountSigned:   big.NewInt(340),
 			ValidityInDays:       120,