fix RNG

common/token/token.go

@@ -5,18 +5,19 @@ import (
 	"time"
 )
 
+var RNG = NewRNG()
+
 // Generate returns an alphanumeric token of specified length
 func Generate(length int) string {
-	rng := RNG()
 	var chars = []rune("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789")
 	b := make([]rune, length)
 	for i := range b {
-		b[i] = chars[rng.Intn(len(chars))]
+		b[i] = chars[RNG.Intn(len(chars))]
 	}
 	return string(b)
 }
 
-// RNG returns a new RNG generator
-func RNG() *rand.Rand {
+// NewRNG returns a new NewRNG generator
+func NewRNG() *rand.Rand {
 	return rand.New(rand.NewSource(time.Now().UnixNano()))
 }