migration: migrate NodeJS code base to Golang

server/common/utils.go

@@ -0,0 +1,19 @@
+package common
+
+import (
+	"math/rand"
+)
+
+var Letters = []rune("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789")
+
+func RandomString(n int) string {
+	b := make([]rune, n)
+	for i := range b {
+		b[i] = Letters[rand.Intn(len(Letters))]
+	}
+	return string(b)
+}
+
+func NewBool(t bool) *bool {
+	return &t
+}