Add an ability to change circuits

backend/src/tasks/pools-updater.ts

@@ -143,6 +143,9 @@ class PoolsUpdater {
           if (config.SOCKS5PROXY.USERNAME && config.SOCKS5PROXY.PASSWORD) {
             socksOptions.username = config.SOCKS5PROXY.USERNAME;
             socksOptions.password = config.SOCKS5PROXY.PASSWORD;
+          } else {
+            // Retry with different tor circuits https://stackoverflow.com/a/64960234
+            socksOptions.username = `circuit${retry}`;
           }
 
           axiosOptions.httpsAgent = new SocksProxyAgent(socksOptions);