Include left, key params in http announce

Author: trym

lib/client/http-tracker.js

@@ -41,15 +41,20 @@ HTTPTracker.prototype.announce = function (opts) {
   if (self.destroyed) return
 
   var params = {
-    numwant: opts.numwant,
+    info_hash: self.client._infoHashBinary,
+    peer_id: self.client._peerIdBinary,
+    port: self.client._port,
     uploaded: opts.uploaded,
     downloaded: opts.downloaded,
-    event: opts.event,
+    left: opts.left,
+    numwant: opts.numwant,
+    key: opts.key,
     compact: (opts.compact == null) ? 1 : opts.compact,
-    info_hash: self.client._infoHashBinary,
-    peer_id: self.client._peerIdBinary,
-    port: self.client._port
+    event: opts.event
   }
+
+  if (!params.key) { delete params.key }
+
   if (self._trackerId) params.trackerid = self._trackerId
 
   self._request(self.announceUrl, params, self._onAnnounceResponse.bind(self))