diff --git a/frida_client/src/client.rs b/frida_client/src/client.rs
index 4e188af..c305c9a 100644
--- a/frida_client/src/client.rs
+++ b/frida_client/src/client.rs
@@ -124,6 +124,7 @@ pub mod general {
                                 Some(h) => {
                                     match h {
                                         0 => {
+                                            // todo: reduce repeated code blocks count
                                             let handshake = UDPVpnHandshake::deserialize(&(buf1[..l].to_vec()));
                                             let mut k = [0u8; 32];
                                             for (&x, p) in handshake.public_key.iter().zip(k.iter_mut()) {
diff --git a/frida_server/src/server.rs b/frida_server/src/server.rs
index 0dfa186..c5b13fa 100644
--- a/frida_server/src/server.rs
+++ b/frida_server/src/server.rs
@@ -207,6 +207,7 @@ pub async fn server_mode(server_config: ServerConfiguration, s_interface: Option
                                 //info!("Got handshake from {:?}", handshake.request_ip);
                                 let skey = BASE64_STANDARD.encode(&handshake.public_key);
                                 if plp.iter().any(|c| c.ip == handshake.request_ip && c.public_key == skey) {
+                                    // todo: reduce repeated code blocks count
                                     let internal_ip = IpAddr::V4(handshake.request_ip);
                                     info!("Accepted client from {:?}", handshake.request_ip);
                                     let mut k = [0u8; 32];