diff --git a/processor/src/lib.rs b/processor/src/lib.rs
index fe427dfe..ee7ad1fa 100644
--- a/processor/src/lib.rs
+++ b/processor/src/lib.rs
@@ -1,4 +1,4 @@
-use std::{marker::Send, collections::HashMap};
+use std::{marker::Send, io::Cursor, collections::HashMap};
 
 use async_trait::async_trait;
 use thiserror::Error;
@@ -17,7 +17,7 @@ pub enum NetworkError {}
 
 #[async_trait]
 pub trait Network: Send {
-  async fn round(&mut self, data: Vec<u8>) -> Result<HashMap<u16, Vec<u8>>, NetworkError>;
+  async fn round(&mut self, data: Vec<u8>) -> Result<HashMap<u16, Cursor<Vec<u8>>>, NetworkError>;
 }
 
 #[derive(Clone, Error, Debug)]
diff --git a/processor/src/tests/mod.rs b/processor/src/tests/mod.rs
index 051ecad6..89bf069f 100644
--- a/processor/src/tests/mod.rs
+++ b/processor/src/tests/mod.rs
@@ -1,4 +1,4 @@
-use std::{sync::{Arc, RwLock}, collections::HashMap};
+use std::{io::Cursor, sync::{Arc, RwLock}, collections::HashMap};
 
 use async_trait::async_trait;
 
@@ -11,7 +11,7 @@ struct LocalNetwork {
   i: u16,
   size: u16,
   round: usize,
-  rounds: Arc<RwLock<Vec<HashMap<u16, Vec<u8>>>>>
+  rounds: Arc<RwLock<Vec<HashMap<u16, Cursor<Vec<u8>>>>>>
 }
 
 impl LocalNetwork {
@@ -27,13 +27,13 @@ impl LocalNetwork {
 
 #[async_trait]
 impl Network for LocalNetwork {
-  async fn round(&mut self, data: Vec<u8>) -> Result<HashMap<u16, Vec<u8>>, NetworkError> {
+  async fn round(&mut self, data: Vec<u8>) -> Result<HashMap<u16, Cursor<Vec<u8>>>, NetworkError> {
     {
       let mut rounds = self.rounds.write().unwrap();
       if rounds.len() == self.round {
         rounds.push(HashMap::new());
       }
-      rounds[self.round].insert(self.i, data);
+      rounds[self.round].insert(self.i, Cursor::new(data));
     }
 
     while {
@@ -43,7 +43,8 @@ impl Network for LocalNetwork {
       tokio::task::yield_now().await;
     }
 
-    let res = self.rounds.try_read().unwrap()[self.round].clone();
+    let mut res = self.rounds.try_read().unwrap()[self.round].clone();
+    res.remove(&self.i);
     self.round += 1;
     Ok(res)
   }