Работа над api reader, worker

server/core/utils.js

@@ -1,7 +1,14 @@
+const crypto = require('crypto');
+
 function sleep(ms) {
     return new Promise(resolve => setTimeout(resolve, ms));
 }
 
+function randomHexString(len) {
+    return crypto.randomBytes(len).toString('hex')
+}
+
 module.exports = {
-    sleep
+    sleep,
+    randomHexString
 };