Sign Resource

models/resources/resource.go

@@ -1,6 +1,7 @@
 package resources
 
 import (
+	"crypto/sha256"
 	"encoding/json"
 	"errors"
 	"slices"
@@ -27,7 +28,21 @@ type AbstractResource struct {
 	Owners               []utils.Owner                                     `json:"owners,omitempty" bson:"owners,omitempty"`                                           // Owners is the list of owners of the resource
 	UsageRestrictions    string                                            `bson:"usage_restrictions,omitempty" json:"usage_restrictions,omitempty"`
 	AllowedBookingModes  map[booking.BookingMode]*pricing.PricingVariation `bson:"allowed_booking_modes" json:"allowed_booking_modes"`
-	Signature            []byte                                            `bson:"signature" json:"signature"`
+	Signature            []byte                                            `bson:"signature,omitempty" json:"signature,omitempty"`
+}
+
+func (r *AbstractResource) Unsign() {
+	r.Signature = nil
+}
+
+func (r *AbstractResource) Sign() {
+	priv, err := tools.LoadKeyFromFilePrivate() // your node private key
+	if err != nil {
+		return
+	}
+	b, _ := json.Marshal(r)
+	hash := sha256.Sum256(b)
+	r.Signature, err = priv.Sign(hash[:])
 }
 
 func (abs *AbstractResource) GetSignature() []byte {