fix Trackerservice

Change-Id: Id041d972cab72183d2677f98f95d72d9d7d83793
diff --git a/src/main/java/com/example/g8backend/entity/Peer.java b/src/main/java/com/example/g8backend/entity/Peer.java
index d7d6af5..43302ce 100644
--- a/src/main/java/com/example/g8backend/entity/Peer.java
+++ b/src/main/java/com/example/g8backend/entity/Peer.java
@@ -8,26 +8,12 @@
 @Data
 @TableName("peers")
 public class Peer {
-    @TableId(type = IdType.AUTO)
     private Long peerId;
-
-    private Long userId;
-    private Long torrentId;
+    private String info_hash;
+    private Long userId; // passkey from announce
     private String ipAddress;
     private Integer port;
     private Double uploaded;
     private Double downloaded;
 
-    @Override
-    public String toString() {
-        return "Peer{" +
-                "peerId=" + peerId +
-                ", userId=" + userId +
-                ", torrentId=" + torrentId +
-                ", ipAddress='" + ipAddress + '\'' +
-                ", port=" + port +
-                ", uploaded=" + uploaded +
-                ", downloaded=" + downloaded +
-                '}';
-    }
 }