diff --git a/rust-toolchain.toml b/rust-toolchain.toml
deleted file mode 100644
index 27ae62c..0000000
--- a/rust-toolchain.toml
+++ /dev/null
@@ -1,2 +0,0 @@
-[toolchain]
-channel = "1.74.1"
diff --git a/src/soeprotocol/ack_packet.rs b/src/soeprotocol/ack_packet.rs
index 8783334..cbcf6cb 100644
--- a/src/soeprotocol/ack_packet.rs
+++ b/src/soeprotocol/ack_packet.rs
@@ -9,12 +9,19 @@ use wasm_bindgen::prelude::*;
 pub struct AckPacket {
     pub opcode: u16,
     pub sequence: u16,
+    pub bufferable: bool,
+    pub length: u16,
 }
 #[wasm_bindgen]
 impl AckPacket {
     #[wasm_bindgen(constructor)]
     pub fn new(opcode: u16, sequence: u16) -> Self {
-        Self { opcode, sequence }
+        Self {
+            opcode,
+            sequence,
+            bufferable: true,
+            length: 4,
+        }
     }
     pub fn get_sequence(&self) -> u16 {
         self.sequence
@@ -34,6 +41,6 @@ impl AckPacket {
     pub fn from(mut _rdr: Cursor<&std::vec::Vec<u8>>, opcode: u16) -> AckPacket {
         let sequence = _rdr.read_u16::<BigEndian>().unwrap_or_default();
 
-        AckPacket { sequence, opcode }
+        AckPacket::new(sequence, opcode)
     }
 }
diff --git a/src/soeprotocol/data_packet.rs b/src/soeprotocol/data_packet.rs
index 809630d..ee0bb11 100644
--- a/src/soeprotocol/data_packet.rs
+++ b/src/soeprotocol/data_packet.rs
@@ -11,15 +11,20 @@ pub struct DataPacket {
     data: Vec<u8>,
     pub opcode: u16,
     pub sequence: u16,
+    pub bufferable: bool,
+    pub length: u16,
 }
 #[wasm_bindgen]
 impl DataPacket {
     #[wasm_bindgen(constructor)]
     pub fn new(data: Vec<u8>, sequence: u16, opcode: u16) -> Self {
+        let length = 4 + data.len() as u16;
         Self {
             data,
             sequence,
             opcode,
+            bufferable: true,
+            length,
         }
     }
     pub fn get_sequence(&self) -> u16 {
diff --git a/src/soeprotocol/session_reply_packet.rs b/src/soeprotocol/session_reply_packet.rs
index c7915da..d000848 100644
--- a/src/soeprotocol/session_reply_packet.rs
+++ b/src/soeprotocol/session_reply_packet.rs
@@ -8,12 +8,15 @@ use crate::soeprotocol::protocol::SoeOpcode;
 #[wasm_bindgen]
 #[derive(Serialize, Deserialize, Debug, Clone)]
 pub struct SessionReplyPacket {
+    pub opcode: u16,
     pub session_id: u32,
     pub crc_seed: u32,
     pub crc_length: u8,
     // TODO: use the EncryptionMethod enum
     pub encrypt_method: u16,
     pub udp_length: u32,
+    pub bufferable: bool,
+    pub length: u16,
 }
 #[wasm_bindgen]
 impl SessionReplyPacket {
@@ -25,12 +28,16 @@ impl SessionReplyPacket {
         encrypt_method: u16,
         udp_length: u32,
     ) -> Self {
+        let length = 15 as u16;
         Self {
+            opcode: SoeOpcode::SessionReply as u16,
             session_id,
             crc_seed,
             crc_length,
             encrypt_method,
             udp_length,
+            bufferable: false,
+            length,
         }
     }
     pub fn get_session_id(&self) -> u32 {
@@ -73,12 +80,6 @@ impl SessionReplyPacket {
         let crc_length = _rdr.read_u8().unwrap_or_default();
         let encrypt_method = _rdr.read_u16::<BigEndian>().unwrap_or_default();
         let udp_length = _rdr.read_u32::<BigEndian>().unwrap_or_default();
-        SessionReplyPacket {
-            session_id,
-            crc_seed,
-            crc_length,
-            encrypt_method,
-            udp_length,
-        }
+        SessionReplyPacket::new(session_id, crc_seed, crc_length, encrypt_method, udp_length)
     }
 }
diff --git a/src/soeprotocol/soeprotocol_packets_structs.rs b/src/soeprotocol/soeprotocol_packets_structs.rs
index 1f10495..c6cb35d 100644
--- a/src/soeprotocol/soeprotocol_packets_structs.rs
+++ b/src/soeprotocol/soeprotocol_packets_structs.rs
@@ -50,9 +50,10 @@ impl SoePacketParsed {
             _ => None,
         }
     }
-    pub fn get_session_reply_packet(&self) -> Option<SessionReplyPacket> {
-        match &self.packet {
-            SoePacket::SessionReplyPacket(packet) => Some(packet.clone()),
+    // TODO: remove all clones like that
+    pub fn get_session_reply_packet(self) -> Option<SessionReplyPacket> {
+        match self.packet {
+            SoePacket::SessionReplyPacket(packet) => Some(packet),
             _ => None,
         }
     }