fix politeness

static/PeerManager.js

@@ -82,9 +82,7 @@ export class PeerManager {
                 if (!peerConnection) {
                     let remotePeerID = message.from;
                     let newPeer = new PeerConnection(this, remotePeerID, this.websocketSendPeerMessage.bind(this));
-                    if (this._isBootstrapPeer) {
-                        newPeer.setPolite(false);
-                    }
+                    newPeer.setPoliteFromID(remotePeerID, true);
                     peerConnection = newPeer;
                     this.peers.set(newPeer.remotePeerID, newPeer);
                     this.onConnectRequest(newPeer);
@@ -417,6 +415,10 @@ class PeerConnection {
     setPolite(polite) {
         this.polite = polite;
     }
+    setPoliteFromID(peerID, remote = false) {
+        let polite = (parseInt(peerID.charAt(peerID.length - 1), 16) % 2 == 0) && !remote;
+        this.setPolite(polite);
+    }
     setupDataChannel() {
         if (!this.dataChannel) {
             throw new Error();
@@ -513,6 +515,7 @@ class PeerConnection {
             }
             try {
                 this.makingOffer = true;
+                this.setPoliteFromID(this.peerManager.peerID);
                 await this.rtcPeer.setLocalDescription();
                 if (!this.rtcPeer.localDescription) {
                     return;