chore: better uuid using

common/utils/uuid.go

@@ -13,11 +13,39 @@ func (r fastRandReader) Read(p []byte) (int, error) {
 
 var UnsafeUUIDGenerator = uuid.NewGenWithOptions(uuid.WithRandomReader(fastRandReader{}))
 
+func NewUUIDV1() uuid.UUID {
+	u, _ := UnsafeUUIDGenerator.NewV1() // fastrand.Read wouldn't cause error, so ignore err is safe
+	return u
+}
+
+func NewUUIDV3(ns uuid.UUID, name string) uuid.UUID {
+	return UnsafeUUIDGenerator.NewV3(ns, name)
+}
+
+func NewUUIDV4() uuid.UUID {
+	u, _ := UnsafeUUIDGenerator.NewV4() // fastrand.Read wouldn't cause error, so ignore err is safe
+	return u
+}
+
+func NewUUIDV5(ns uuid.UUID, name string) uuid.UUID {
+	return UnsafeUUIDGenerator.NewV5(ns, name)
+}
+
+func NewUUIDV6() uuid.UUID {
+	u, _ := UnsafeUUIDGenerator.NewV6() // fastrand.Read wouldn't cause error, so ignore err is safe
+	return u
+}
+
+func NewUUIDV7() uuid.UUID {
+	u, _ := UnsafeUUIDGenerator.NewV7() // fastrand.Read wouldn't cause error, so ignore err is safe
+	return u
+}
+
 // UUIDMap https://github.com/XTLS/Xray-core/issues/158#issue-783294090
 func UUIDMap(str string) (uuid.UUID, error) {
 	u, err := uuid.FromString(str)
 	if err != nil {
-		return UnsafeUUIDGenerator.NewV5(uuid.Nil, str), nil
+		return NewUUIDV5(uuid.Nil, str), nil
 	}
 	return u, nil
 }