commit 9cd9873e207b5efbe021e5d413ef54da0ed5cc7a
Author: Serge Bazanski <serge@bazanski.pl>
Date:   Sat Apr 13 17:09:11 2019 +0200

    code dump from kkc19

diff --git a/client.py b/client.py
new file mode 100644
index 0000000..aecb3b5
--- /dev/null
+++ b/client.py
@@ -0,0 +1,23 @@
+import asyncio
+import socketio
+
+
+sio = socketio.AsyncClient()
+
+@sio.on('state')
+def sio_state(state):
+    print(state)
+
+@sio.on('identified')
+def sio_identified(msg):
+    if msg.get('identified') != True:
+        print('COULD NOT IDENTIFY')
+        return
+    print('Identified.')
+
+async def main():
+    cl = await sio.connect('http://127.0.0.1:5000')
+    await sio.emit('admin', {'password': 'changeme', 'set_role': {'who': '716a784c', 'what': 'HOST'}})
+    await asyncio.sleep(2)
+
+asyncio.run(main())
diff --git a/default.nix b/default.nix
new file mode 100644
index 0000000..6c7a762
--- /dev/null
+++ b/default.nix
@@ -0,0 +1,20 @@
+with import <nixpkgs> {};
+
+
+stdenv.mkDerivation rec {
+  name = "venv";
+  env = buildEnv { name = name; paths = buildInputs; };
+  buildInputs = [
+    python37
+  ] ++ (with python37Packages; [
+    virtualenv
+    pip
+    flask
+    redis
+    flask-socketio
+    eventlet
+    ecdsa
+    python-jose
+    aiohttp
+  ]);
+}
diff --git a/example-round.js b/example-round.js
new file mode 100644
index 0000000..cf0738a
--- /dev/null
+++ b/example-round.js
@@ -0,0 +1,55 @@
+{
+    "type": "simple",
+    "categories": [
+        {
+            "name": "foo",
+            "questions": [
+                {"clue": "foo1", "answer": "foo1!"},
+                {"clue": "foo2", "answer": "foo2!"},
+                {"clue": "foo3", "answer": "foo3!"},
+                {"clue": "foo4", "answer": "foo4!"},
+                {"clue": "foo5", "answer": "foo5!"}
+            ]
+        },
+        {
+            "name": "bar",
+            "questions": [
+                {"clue": "bar1", "answer": "bar1!"},
+                {"clue": "bar2", "answer": "bar2!"},
+                {"clue": "bar3", "answer": "bar3!"},
+                {"clue": "bar4", "answer": "bar4!"},
+                {"clue": "bar5", "answer": "bar5!"}
+            ]
+        },
+        {
+            "name": "baz",
+            "questions": [
+                {"clue": "baz1", "answer": "baz1!"},
+                {"clue": "baz2", "answer": "baz2!"},
+                {"clue": "baz3", "answer": "baz3!"},
+                {"clue": "baz4", "answer": "baz4!"},
+                {"clue": "baz5", "answer": "baz5!"}
+            ]
+        },
+        {
+            "name": "barfoo",
+            "questions": [
+                {"clue": "barfoo1", "answer": "barfoo1!"},
+                {"clue": "barfoo2", "answer": "barfoo2!"},
+                {"clue": "barfoo3", "answer": "barfoo3!"},
+                {"clue": "barfoo4", "answer": "barfoo4!"},
+                {"clue": "barfoo5", "answer": "barfoo5!"}
+            ]
+        },
+        {
+            "name": "barbaz",
+            "questions": [
+                {"clue": "barbaz1", "answer": "barbaz1!"},
+                {"clue": "barbaz2", "answer": "barbaz2!"},
+                {"clue": "barbaz3", "answer": "barbaz3!"},
+                {"clue": "barbaz4", "answer": "barbaz4!"},
+                {"clue": "barbaz5", "answer": "barbaz5!"}
+            ]
+        }
+    ]
+}
diff --git a/jeopardy.py b/jeopardy.py
new file mode 100644
index 0000000..85dfba1
--- /dev/null
+++ b/jeopardy.py
@@ -0,0 +1,468 @@
+import secrets
+import os
+import logging
+import json
+import ecdsa
+import binascii
+
+from jose.jwk import ECKey
+from flask import Flask, render_template, g, session
+from flask_socketio import SocketIO, emit
+
+
+app = Flask(__name__)
+app.config['SECRET_KEY'] = 'secret!'
+app.config['ADMIN_PASSWORD'] = 'changeme'
+socketio = SocketIO(app)
+log = logging.getLogger()
+log.setLevel(logging.DEBUG)
+log.addHandler(logging.StreamHandler())
+
+log.info("starting up...")
+
+
+class Board:
+    def __init__(self, type):
+        self.type = type
+        self.categories = []
+
+    def add_category(self, c):
+        self.categories.append(c)
+
+    def serialize(self):
+        res = {'categories': [c.serialize() for c in self.categories]}
+        return res
+
+    def copy(self):
+        r = Board(self.type)
+        for c in self.categories:
+            r.add_category(c.copy())
+        return r
+
+    @classmethod
+    def unserialize(cls, j):
+        r = cls(j)
+        print('UNSERIALIZING ROUND', j)
+
+        if 'categories' not in j:
+            log.error("No categories")
+            return
+
+        for cid, c in enumerate(j['categories']):
+            if 'name' not in c:
+                log.error("No category name")
+            if 'questions' not in c or len(c['questions']) != 5:
+                log.error("Invalid question count")
+
+            cat = Category(c['name'])
+            r.add_category(cat)
+            
+            questions = c['questions']
+            for qid, q in enumerate(questions):
+                if 'clue' not in q:
+                    log.error("No clue in question")
+                if 'answer' not in q:
+                    log.error("No answer in question")
+
+                value = (qid+1)*100
+                ques = Question(value, q['clue'], q['answer'], c['name'], qid, cid)
+                cat.add_question(ques)
+
+        return r
+
+class Category:
+    def __init__(self, name):
+        self.name = name
+        self.questions = []
+
+    def add_question(self, q):
+        self.questions.append(q)
+
+    def serialize(self):
+        return {'name': self.name, 'questions': [q.serialize() for q in self.questions]}
+
+    def copy(self):
+        c = Category(self.name)
+        for q in self.questions:
+            c.add_question(q.copy())
+        return c
+
+class Question:
+    def __init__(self, value, clue, answer, category, qid, cid, answered=False):
+        self.value = value
+        self.clue = clue
+        self.answer = answer
+        self.category = category
+        self.answered = answered
+        self.qid = qid
+        self.cid = cid
+
+    def serialize(self):
+        return {
+            'value': self.value,
+            'clue': self.clue,
+            'answer': self.answer,
+            'category': self.category,
+            'answered': self.answered,
+        }
+
+    def copy(self):
+        return Question(self.value, self.clue, self.answer, self.category, self.qid, self.cid, self.answered)
+
+class Compaction:
+    def __init__(self):
+        self.ct = 0
+        self.board = None
+        self.roles = {}
+        self.identity = {}
+        self.contestants = {}
+        self.question = None
+
+    @property
+    def buzzing(self):
+        for _, c in self.contestants.items():
+            if c.buzzing:
+                return c.identity
+        return None
+
+    def feed(self, entry):
+        log.info("Compacting {}".format(entry))
+        if entry['event'] == 'new round':
+            self.board = entry['round'].copy()
+            log.info("LOG ENTRY, new round")
+        elif entry['event'] == 'role set':
+            who, what = entry['identity'], entry['what']
+            self.roles[who] = what
+            if what == 'CONTESTANT' and who not in self.contestants:
+                self.contestants[who] = Contestant(who, who[:8])
+            elif who in self.contestants:
+                del self.contestants[who]
+            log.info("LOG ENTRY, role set, {} is {}".format(who, what))
+        elif entry['event'] == 'pretty set':
+            self.identity[entry['pretty']] = entry['identity']
+            log.info("LOG ENTRY, pretty set, {} is {}".format(entry['pretty'], entry['identity']))
+        elif entry['event'] == 'question':
+            cid = entry['cid']
+            qid = entry['qid']
+            log.info("LOG ENTRY, question activated, {}/{}".format(cid, qid))
+            self.question = self.board.categories[cid].questions[qid].copy()
+            self.question.losers = set()
+            for _, c in self.contestants.items():
+                c.buzzing = False
+        elif entry['event'] == 'buzz':
+            if not self.question:
+                self.ct += 1
+                return
+            log.info("LOG ENTRY, buzz")
+            who = entry['identity']
+            if not self.buzzing and who not in self.question.losers:
+                self.contestants[who].buzzing = True
+        elif entry['event'] == 'answered':
+            if not self.question:
+                self.ct += 1
+                return
+            log.info("LOG ENTRY, answer")
+            ok = entry['ok']
+            value = self.question.value
+            who = self.buzzing
+            if not who:
+                self.ct += 1
+                return
+            self.contestants[who].buzzing = False  
+
+            if who in self.question.losers:
+                self.ct += 1
+                return
+            if ok :
+                self.contestants[who].points += value
+                self.board.categories[self.question.cid].questions[self.question.qid].answered = True
+                self.question = None
+                self.ct += 1
+                return
+
+            self.contestants[who].points -= value
+            self.question.losers.add(who)
+        elif entry['event'] == 'give up':
+            if not self.question:
+                self.ct += 1
+                return
+            self.board.categories[self.question.cid].questions[self.question.qid].answered = True
+            self.question = None
+        elif entry['event'] == 'set name':
+            who = entry['identity']
+            name = entry['name']
+            self.contestants[who].name = name
+        else:
+            log.error("Invalid log entry type {}".format(entry['event']))
+        self.ct += 1
+
+    def serialize(self):
+        return {
+            'board': self.board.serialize() if self.board else None,
+            'roles': dict(self.roles),
+            'identity': dict(self.identity),
+            'contestants': [c.serialize() for (_, c) in self.contestants.items()],
+            'question': self.question.serialize() if self.question else None,
+            'losers': list(self.question.losers) if self.question else [],
+        }
+
+
+class Contestant:
+    def __init__(self, identity, name):
+        self.identity = identity
+        self.name = name
+        self.points = 0
+        self.buzzing = False
+
+    def serialize(self):
+        return {
+            'name': self.name,
+            'points': self.points,
+            'buzzing': self.buzzing,
+            'identity': self.identity,
+        }
+
+
+class Game:
+    def __init__(self):
+        self.state = 'IDLE'
+        self.log = []
+        self._compaction = None
+
+    def start_round(self, path):
+        with open(path) as f:
+            j = json.load(f)
+        r = Board.unserialize(j)
+        self.log.append({'event': 'new round', 'round': r})
+        self.save()
+
+    def activate_question(self, qid, cid):
+        if self.compacted.board.categories[cid].questions[qid].answered:
+            return
+        self.log.append({'event': 'question', 'qid': qid, 'cid': cid})
+        self.save()
+
+    def set_role(self, pretty, what):
+        self.log.append({'event': 'role set', 'identity': self.identity[pretty], 'what': what})
+        self.save()
+
+    def set_pretty(self, pretty, identity):
+        self.log.append({'event': 'pretty set', 'pretty': pretty, 'identity': identity})
+        self.save()
+
+    def answer(self, ok):
+        self.log.append({'event': 'answered', 'ok': ok})
+        self.save()
+
+    def give_up(self):
+        self.log.append({'event': 'give up'})
+        self.save()
+        
+    def set_name(self, who, name):
+        self.log.append({'event': 'set name', 'identity': who, 'name': name})
+
+    @property
+    def roles(self):
+        return self.compacted.roles
+
+    @property
+    def identity(self):
+        return self.compacted.identity
+
+    @property
+    def compacted(self):
+        if self._compaction is None:
+            self._compaction = Compaction()
+
+        if self._compaction.ct == len(self.log):
+            return self._compaction
+
+        missing = self.log[self._compaction.ct:]
+        for m in missing:
+            self._compaction.feed(m)
+
+        return self._compaction
+
+    def save(self):
+        with open('jeopardy.dat.new', 'wb') as f:
+            for l in self.log:
+                if l['event'] == 'new round':
+                    l = dict(l)
+                    l['round'] = l['round'].serialize()
+                f.write(binascii.hexlify(json.dumps(l).encode()))
+                f.write(b'\n')
+        os.rename('jeopardy.dat.new', 'jeopardy.dat')
+
+    def load(self):
+        if not os.path.exists('jeopardy.dat'):
+            log.info("New game...")
+            return
+        log.info("Loading game...")
+        with open('jeopardy.dat', 'r') as f:
+            for line in f:
+                line = line.strip()
+                entry = json.loads(binascii.unhexlify(line))
+                print('RESTORING', entry)
+                if entry['event'] == 'new round':
+                    entry['round'] = Board.unserialize(entry['round'])
+                self.log.append(entry)
+
+        self._compaction = None
+
+    def client_state(self, identity, admin):
+        role = self.roles.get(identity, 'SPECTATOR')
+        return {
+            'role': role,
+            'admin': admin,
+            'state': self.state,
+            'compacted': self.compacted_filter(self.compacted.serialize(), role, admin),
+            'ct': self.compacted.ct,
+        }
+
+    def compacted_filter(self, d, role, admin):
+        if admin:
+            return d
+        if role in ('SPECTATOR', 'CONTESTANT'):
+            del d['roles']
+            del d['identity']
+            if d['question']:
+                del d['question']['answer']
+            # filter out answers
+            if d['board'] is not None:
+                for i, c in enumerate(d['board']['categories']):
+                    for j, q in enumerate(c['questions']):
+                        del d['board']['categories'][i]['questions'][j]['answer']
+
+        return d
+
+    def buzz(self, identity):
+        if self.compacted.question is None:
+            return
+        for _, c in self.compacted.contestants.items():
+            if c.buzzing:
+                return
+        self.log.append({'event': 'buzz', 'identity': identity})
+
+
+app.game = Game()
+app.game.load()
+#app.game.start_round('questions/final.js')
+#app.game.save()
+
+
+def emit_state():
+    identity = session['identity']
+    admin = session['admin']
+    emit('state', app.game.client_state(identity, admin))
+
+@app.route('/')
+def view_index():
+    return render_template("index.html")
+
+
+@socketio.on('connect')
+def sio_connect():
+    log.info("Client connected")
+    session['identity'] = None
+    session['admin'] = False
+    session['nonce'] = secrets.token_hex(64)
+    emit_state()
+    emit('nonce', session['nonce'])
+
+@socketio.on('ping')
+def sio_ping():
+    emit_state()
+
+@socketio.on('proof')
+def sio_proof(data):
+    log.info("Client attempting identity proof")
+    if data.get('nonce', '') != session['nonce']:
+        emit('identified', {'identified': False})
+        return
+
+    # ,___,
+    #jwk = data.get('jwk', {})
+    #k = ECKey(jwk, 'ES384')
+    #proof = binascii.unhexlify(data.get('proof'))
+    #if not k.verify(session['nonce'], proof):
+    #    emit('identified', {'identified': False})
+    #    return
+
+    identity = data.get('identity')
+    session['identity'] = identity
+    app.game.set_pretty(identity[:8], identity)
+    emit('identified', {'identified': True})
+
+    emit_state()
+
+@socketio.on('admin')
+def sio_admin(data):
+    log.info("Admin connecting...")
+    if data.get('password') != app.config['ADMIN_PASSWORD']:
+        emit('identified', {'identifier': True})
+        return
+
+    emit('identified', {'identified': True})
+    session['admin'] = True
+
+    if data.get('set_role') != None:
+        who = data['set_role'].get('who')
+        what = data['set_role'].get('what')
+        app.game.set_role(who, what)
+
+    emit_state()
+
+@socketio.on('host-question')
+def sio_host_question(data):
+    if app.game.roles[session['identity']] != 'HOST':
+        return
+
+    cid = data.get('category')
+    qid = data.get('question')
+    if cid not in (0, 1, 2, 3, 4):
+        return
+    if qid not in (0, 1, 2, 3, 4):
+        return
+    app.game.activate_question(qid, cid)
+
+@socketio.on('host-set-role')
+def sio_host_contestant(data):
+    if app.game.roles[session['identity']] != 'HOST':
+        return
+    if not data.get('who'):
+        log.info("Who?")
+        return
+    if data.get('what') not in ('SPECTATOR', 'CONTESTANT'):
+        log.info("What?")
+        return
+    app.game.set_role(data['who'], data['what'])
+
+@socketio.on('buzz')
+def sio_buz():
+    role = app.game.roles.get(session['identity'])
+    if role != 'CONTESTANT':
+        return
+    app.game.buzz(session['identity'])
+
+@socketio.on('answer')
+def sio_answer(data):
+    if app.game.roles[session['identity']] != 'HOST':
+        return
+
+    ok = data.get('ok', False)
+    app.game.answer(ok)
+
+@socketio.on('give up')
+def sio_give_up():
+    if app.game.roles[session['identity']] != 'HOST':
+        return
+    app.game.give_up()
+
+@socketio.on('set name')
+def sio_set_name(msg):
+    if app.game.roles[session['identity']] != 'HOST':
+        return
+    app.game.set_name(msg['identity'], msg['name'])
+
+if __name__ == '__main__':
+    socketio.run(app, debug=True, host='0.0.0.0')
diff --git a/static/favicon.png b/static/favicon.png
new file mode 100644
index 0000000..ee2af6c
Binary files /dev/null and b/static/favicon.png differ
diff --git a/static/main.css b/static/main.css
new file mode 100644
index 0000000..91be12f
--- /dev/null
+++ b/static/main.css
@@ -0,0 +1,189 @@
+body {
+    background-color: black;
+    color: white;
+    font-size: 100%;
+    font-family: sans-serif;
+    overflow: hidden;
+}
+
+div#error {
+    position: absolute;
+    top: 50%;
+    left: 50%;
+    width: 40rem;
+    margin-left: -20rem;
+    margin-top: -1.5rem;
+    background-color: red;
+    font-size: 1.5rem;
+    text-align: center;
+    z-index: 100;
+    padding: 0.8rem;
+    border-radius: 1rem;
+
+    display: none;
+}
+
+div#status {
+    height: 1.2rem;
+    font-size: 0.7rem;
+    position: absolute;
+    top: 100%;
+    left: 0;
+    margin-top: -1.2rem;
+    width: 100%;
+    z-index: 50;
+    text-align: right;
+}
+
+div#status p {
+    padding: 0;
+    padding-right: 0.8rem;
+    margin: 0;
+    display: inline;
+}
+
+div#board {
+    display: flex;
+    flex-direction: row;
+    justify-content: center;
+}
+
+div#board div.category {
+    margin: 0.25rem;
+}
+
+div#board div.panel, div#board div.header {
+    background-color: #0d0b70;
+    width: 15rem;
+    height: 4rem;
+    margin-bottom: 0.5rem;
+    text-align: center;
+    border-radius: 0.25rem;
+
+    display: flex;
+    flex-direction: column;
+    justify-content: center;
+}
+
+div#board div.header {
+    font-size: 1.5rem;
+    margin-bottom: 1.5rem;
+    height: 8rem;
+}
+
+div#board div.panel {
+    font-size: 2rem;
+}
+
+div#board div.solved {
+    background-color: #000010;
+    color: #202020;
+}
+
+div#board div.narrow {
+    width: 10rem;
+    height: 5rem;
+}
+
+div#host {
+    width: 30rem;
+    background-color: red;
+    padding: 0.5rem;
+    margin-left: 1rem;
+}
+
+div#contestants {
+    width: 100%;
+    display: flex;
+    flex-direction: row;
+    justify-content: center;
+}
+
+div.contestant {
+    width: 18rem;
+    height: 8rem;
+    background-color: #1d1b90;
+    border-radius: 0.5rem;
+    margin-left: 1.5rem;
+    margin-right: 1.5rem;
+    text-align: center;
+    display: flex;
+    flex-direction: column;
+    justify-content: center;
+}
+
+div.contestant h1 {
+    margin: 0;
+    padding: 0;
+}
+
+div.contestant h2 {
+    margin: 0;
+    padding: 0;
+}
+
+div.contestant h3 {
+    font-size: 1rem;
+    margin: 0;
+    padding: 0;
+}
+
+div.buzz {
+    border: 4px solid red;
+}
+
+div#question {
+    position: absolute;
+    top: 50%;
+    left: 50%;
+    width: 80rem;
+    height: 40rem;
+    margin-left: -40rem;
+    margin-top: -20rem;
+    background-color: #1d1b90;
+    border: 4px solid black;
+    font-size: 1.5rem;
+    text-align: center;
+    z-index: 90;
+    border-radius: 1rem;
+    display: none;
+
+    flex-direction: column;
+    justify-content: space-between;
+}
+
+div#question div.header {
+    font-size: 3rem;
+    margin-top: 1rem;
+}
+
+div#question div.inner {
+}
+
+div#question div.inner img {
+    width: auto;
+    height: 30rem;
+}
+
+div.buzz {
+    background-color: #901d1b;
+    height: 5rem;
+}
+
+div.choice {
+    display: flex;
+    flex-direction: row;
+    justify-content: center;
+}
+
+div.ack {
+    background-color: green;
+    width: 10rem;
+    height: 2em;
+}
+
+div.nack {
+    background-color: red;
+    width: 10rem;
+    height: 2em;
+}
diff --git a/static/main.js b/static/main.js
new file mode 100644
index 0000000..f2711a1
--- /dev/null
+++ b/static/main.js
@@ -0,0 +1,442 @@
+"use strict";
+
+let Identity = function() {
+    this.key = null;
+    this.pretty = null;
+};
+
+Identity.prototype.start = async function() {
+    const lskey = "hacker-jeopardy-key-6";
+    const algo = {
+        name: "ECDSA",
+        namedCurve: "P-384",
+    };
+    const uses = ["sign", "verify"];
+
+    let existing = localStorage.getItem(lskey);
+    if (existing == null) {
+        console.log("Generating identity...");
+        const pair = await crypto.subtle.generateKey(algo, true, uses);
+        this.pubkey = pair.publicKey;
+        this.privkey = pair.privateKey;
+        this.identity = (await this.hexsign("hacker-jeopardy-whoami"));
+        const ls = {
+            "pubkey": await crypto.subtle.exportKey("jwk", this.pubkey),
+            "privkey": await crypto.subtle.exportKey("jwk", this.privkey),
+            "identity": this.identity,
+        };
+        this.jwk_pubkey = ls.pubkey;
+        localStorage.setItem(lskey, JSON.stringify(ls));
+    } else {
+        console.log("Loading identity...");
+        const ls = JSON.parse(existing);
+        this.privkey = await crypto.subtle.importKey("jwk", ls.privkey, algo, false, ["sign"]);
+        this.pubkey = await crypto.subtle.importKey("jwk", ls.pubkey, algo, false, ["verify"]);
+        this.jwk_pubkey = ls.pubkey;
+        this.identity = ls.identity;
+    }
+
+    this.pretty = this.identity.substr(0, 8);
+    console.log("Pretty identity: %s", this.pretty);
+};
+
+Identity.prototype.hexsign = async function(nonce) {
+    const ugh = (new TextEncoder()).encode(nonce);
+    const ugnh = await crypto.subtle.sign({
+        name: "ECDSA",
+        hash: {name: "SHA-384"},
+    }, this.privkey, ugh);
+    const ungh = Array.from(new Uint8Array(ugnh));
+    const argh = ungh.map((b) => { return b.toString(16).padStart(2, "0"); }).join("");
+    console.log("signed encoded", argh);
+    return argh;
+};
+
+const ClientState = Object.freeze({
+    CONNECTING: Symbol("CONNECTING"),
+    SYNCING: Symbol("SYNCING"),
+    SYNCED: Symbol("SYNCED"),
+    BACKOFF: Symbol("BACKOFF"),
+});
+
+let Game = function() {
+    this.clientState = ClientState.CONNECTING;
+    this.role = 'SPECTATOR';
+    this.error = null;
+    this.interval = null;
+    this.serverState = null;
+    this.identified = false;
+    this.ct = null;
+    this.rct = null;
+};
+
+Game.prototype.run = async function() {
+    let self = this;
+
+    this.identity = new Identity();
+    await this.identity.start();
+
+    console.log("Opening socket...");
+    this.socket = io.connect('https://jeopardy.rhw.q3k.org');
+    this.socket.on('connect', function() { self.socketConnected(); });
+    this.socket.on('disconnect', function() { self.socketDisconnected(); });
+    this.socket.on('state', function(msg) { self.socketState(msg); });
+    this.socket.on('nonce', function(nonce) { self.socketNonce(nonce); });
+    this.socket.on('identified', function(msg) { self.socketIdentified(msg); });
+
+    if (this.timeout == null) {
+        this.interval = setInterval(function() { self.tick(); }, 1000);
+    }
+
+    this.lastStateUpdate = null;
+    this.serverState = null;
+};
+
+Game.prototype.mutate = function(newState) {
+    if (this.clientState != newState) {
+        console.log("Client %s -> %s", this.clientState, newState);
+    }
+    this.clientState = newState;
+    this.render();
+};
+
+Game.prototype.fatal = function(msg) {
+    console.error("FATAL in %s: %s", this.clientState, msg);
+    this.error = msg;
+    this.mutate(ClientState.BACKOFF);
+    //setTimeout(() => this.backoffDone(), 3000);
+};
+
+Game.prototype.backoffDone = function() {
+    this.socket.close();
+}
+
+Game.prototype.socketConnected = function() {
+    console.log("Socket connected");
+    if (this.clientState != ClientState.CONNECTING) {
+        this.fatal("Unexpected 'connect'");
+    }
+    this.error = null;
+    this.mutate(ClientState.SYNCING);
+};
+
+Game.prototype.socketDisconnected = function() {
+    console.log("Socket disconnected");
+    this.identified = false;
+    this.mutate(ClientState.CONNECTING);
+    this.socket.open();
+    this.error = "Disconnected";
+};
+
+Game.prototype.socketState = function(msg) {
+    this.serverState = msg.compacted;
+    this.ct = msg.ct;
+    this.role = msg.role;
+    this.lastStateUpdate = Date.now();
+    this.mutate(ClientState.SYNCED);
+
+    if (this.role == 'HOST') {
+        for (let [pretty, identity] of Object.entries(msg.compacted.identity)) {
+           let role = msg.compacted.roles[identity];
+           if (role == undefined || role == null) {
+               continue;
+           }
+        }
+    }
+};
+
+Game.prototype.socketNonce = async function(nonce) {
+    console.log("Received nonce, sending identity proof.");
+    const proof = await this.identity.hexsign(nonce);
+    this.socket.emit('proof', {'identity': this.identity.identity, 'nonce': nonce, 'jwk': this.identity.jwk_pubkey, 'proof': proof});
+};
+
+Game.prototype.socketIdentified = async function(msg) {
+    console.log("Identification result: ", msg);
+    if (msg.identified != true) {
+        this.fatal("Identification failed!")
+        return;
+    }
+
+    this.identified = true;
+    this.render();
+};
+
+Game.prototype.tick = function() {
+    let self = this;
+    this.socket.emit('ping')
+
+    //this.render();
+
+    if (this.clientState == ClientState.CONNECTING) {
+        if (this.socket.disconnected) {
+            console.log("Reconnecting...");
+            this.socket.open();
+        }
+    }
+
+    if (this.clientState != ClientState.SYNCED) {
+        return;
+    }
+};
+
+Game.prototype.render = function() {
+    if (this.rct == this.ct) {
+        return
+    }
+    this.rct = this.ct;
+    if (this.error != null) {
+        let err = document.querySelector("#error");
+        err.style.display = "block";
+        err.textContent = "Error: " + this.error;
+    } else {
+        let err = document.querySelector("#error");
+        err.style.display = "none";
+    }
+
+    let status = document.querySelector("#status p");
+    status.textContent = "State: " + this.clientState.description;
+    status.textContent += ", identity: " + this.identity.pretty;
+    status.textContent += ", role: " + this.role;
+    status.textContent += ".";
+
+    this.renderGame();
+};
+
+Game.prototype.renderGame = function() {
+    if (this.serverState == null) {
+        return;
+    }
+
+    this.renderBoard();
+    this.renderContestants();
+    this.renderQuestion();
+};
+
+Game.prototype.renderBoard = function() {
+    let host = (this.role == 'HOST');
+
+    let b = document.createElement("div");
+    b.id = "board";
+
+
+    if (this.serverState.board == null) {
+        document.querySelector("#board").replaceWith(b);
+        return;
+    }
+
+    let desc = this.serverState.board;
+
+    desc.categories.forEach((category, cid) => {
+        let c = document.createElement("div");
+        c.className = "category";
+        b.appendChild(c);
+
+        let h = document.createElement("div");
+        h.className = "header";
+        if (host) {
+            h.className += " narrow";
+        };
+        h.textContent = category.name;
+        c.appendChild(h);
+
+        category.questions.forEach((question, qid) => {
+            let p = document.createElement("div");
+            p.className = "panel";
+            if (question.answered) {
+                p.className += " solved";
+            }
+            if (host) {
+                p.className += " narrow";
+            };
+
+            if (this.role == "HOST") {
+                p.onclick = (() => { 
+                    this.socket.emit("host-question", {"category": cid, "question": qid})
+                });
+            }
+
+            let t = document.createElement("div");
+            t.className = "text";
+            t.textContent = "" + question.value + " SOG";
+            p.appendChild(t);
+            c.appendChild(p);
+        });
+    });
+
+    if (host) {
+        let h = document.createElement("div");
+        h.id = "host";
+        h.textContent = "Host menu";
+        b.appendChild(h);
+
+        let u = document.createElement("ul");
+        h.appendChild(u);
+
+        for (let [pretty, identifier] of Object.entries(this.serverState.identity)) {
+            let role = this.serverState.roles[identifier];
+            if (role == undefined) {
+                role = "SPECTATOR";
+            }
+            let li = document.createElement("li");
+            li.textContent = pretty + " " + role + " ";
+            u.appendChild(li);
+            let setRole = (who, what) => {
+                this.socket.emit('host-set-role', {'who': pretty, 'what': what});
+            };
+            if (role == "SPECTATOR") {
+                let a = document.createElement("a");
+                a.textContent = "contestant";
+                a.href = "#";
+                a.onclick = () => { setRole(pretty, 'CONTESTANT'); };
+                li.appendChild(a);
+            }
+            if (role == "CONTESTANT") {
+                let a = document.createElement("a");
+                a.textContent = "spectator";
+                a.href = "#";
+                a.onclick = () => { setRole(pretty, 'SPECTATOR'); };
+                li.appendChild(a);
+
+                let b = document.createElement("a");
+                b.textContent = "set name";
+                b.href = "#";
+                b.onclick = () => { this.socket.emit('set name', {'identity': identifier, 'name': prompt("name?")}); };
+                li.appendChild(b);
+            }
+        }
+    }
+
+    document.querySelector("#board").replaceWith(b);
+}
+
+Game.prototype.renderContestants = function() {
+    let contestants = document.createElement("div");
+    contestants.id = "contestants";
+    this.serverState.contestants.forEach((c) => {
+        let name = c.name;
+        let cont = document.createElement("div");
+        cont.className = "contestant";
+        if (c.buzz) {
+            cont.className += " buzz";
+        }
+        let h1 = document.createElement("h1");
+        h1.textContent = name;
+        let h2 = document.createElement("h2");
+        h2.textContent = c.points + " SOG";
+        cont.appendChild(h1);
+        if (c.identity == this.identity.identity) {
+            let h3 = document.createElement("h3");
+            h3.textContent = "(that's you!)";
+            cont.appendChild(h3);
+        }
+        cont.appendChild(h2);
+        contestants.appendChild(cont);
+    });
+
+    document.querySelector("#contestants").replaceWith(contestants);
+};
+
+Game.prototype.renderQuestion = function() {
+    let question = document.createElement("div");
+    question.id = "question";
+    let q = this.serverState.question;
+    if (q == undefined || q == null) {
+        document.querySelector("#question").replaceWith(question);
+        return;
+    }
+
+    let contestant = (this.role == "CONTESTANT");
+    let host = (this.role == "HOST");
+    let buzzed = false;
+    let buzzing = null;
+    this.serverState.contestants.forEach((c) => {
+        if (c.buzzing) {
+            buzzed = true;
+            buzzing = c;
+        }
+    });
+    let loser = false;
+    this.serverState.losers.forEach((c) => {
+        if (c == this.identity.identity) {
+            loser = true;
+        };
+    });
+
+    question.style = "display: flex;";
+    let header = document.createElement("div");
+    header.className = "header";
+    header.textContent = q.category + " - " + q.value;
+    question.appendChild(header);
+
+    let inner = document.createElement("div");
+    inner.className = "inner";
+    inner.innerHTML = q.clue;
+    question.appendChild(inner);
+
+    if (!buzzed && !loser && contestant) {
+        let b = document.createElement("div");
+        b.className = "buzz";
+        b.textContent = "BUZZ!";
+        b.onclick = () => {
+            this.socket.emit("buzz");
+        };
+        question.append(b);
+    } else if (buzzed && host) {
+        let choice = document.createElement("div");
+        choice.className = "choice";
+        choice.textContent = "buzzing: " + buzzing.name;
+        question.append(choice);
+
+        let ack = document.createElement("div");
+        ack.className = "ack";
+        ack.textContent = "OK";
+        ack.onclick = () => {
+            this.socket.emit("answer", {'ok': true});
+        };
+
+        let nack = document.createElement("div");
+        nack.className = "nack";
+        nack.textContent = "WRONG";
+        nack.onclick = () => {
+            this.socket.emit("answer", {'ok': false});
+        };
+
+
+        choice.appendChild(ack);
+        choice.appendChild(nack);
+    } else if (host) {
+        let choice = document.createElement("div");
+        choice.className = "choice";
+        choice.textContent = "losers: " + this.serverState.losers.map((e) => { return e.substr(0, 8); }).join(", ") + ", answer: " + this.serverState.question.answer;
+        question.append(choice);
+
+        let giveup = document.createElement("div");
+        giveup.className = "nack";
+        giveup.textContent = "CANCEL QUESTION";
+        giveup.onclick = () => {
+            this.socket.emit("give up");
+        };
+        choice.appendChild(giveup);
+    } else {
+        question.appendChild(document.createElement("div"));
+    };
+    document.querySelector("#question").replaceWith(question);
+};
+
+window.onload = function() {
+    let nojs = document.querySelector("div.nojs");
+    nojs.parentNode.removeChild(nojs);
+
+    let run = async () => {
+        let g = new Game();
+        await g.run();
+        g.render();
+    }
+    run().catch((e) => {
+        console.log(e);
+        console.log(e.stack);
+        console.log(e.message);
+        console.log(e.name);
+    });
+};
diff --git a/static/socket.io.min.js b/static/socket.io.min.js
new file mode 100644
index 0000000..b622e1b
--- /dev/null
+++ b/static/socket.io.min.js
@@ -0,0 +1,3 @@
+!function(t){if("object"==typeof exports&&"undefined"!=typeof module)module.exports=t();else if("function"==typeof define&&define.amd)define([],t);else{var e;"undefined"!=typeof window?e=window:"undefined"!=typeof global?e=global:"undefined"!=typeof self&&(e=self),e.io=t()}}(function(){var t;return function e(t,n,r){function o(s,a){if(!n[s]){if(!t[s]){var c="function"==typeof require&&require;if(!a&&c)return c(s,!0);if(i)return i(s,!0);throw new Error("Cannot find module '"+s+"'")}var p=n[s]={exports:{}};t[s][0].call(p.exports,function(e){var n=t[s][1][e];return o(n?n:e)},p,p.exports,e,t,n,r)}return n[s].exports}for(var i="function"==typeof require&&require,s=0;s<r.length;s++)o(r[s]);return o}({1:[function(t,e){e.exports=t("./lib/")},{"./lib/":2}],2:[function(t,e,n){function r(t,e){"object"==typeof t&&(e=t,t=void 0),e=e||{};var n,r=o(t),i=r.source,p=r.id;return e.forceNew||e["force new connection"]||!1===e.multiplex?(a("ignoring socket cache for %s",i),n=s(i,e)):(c[p]||(a("new io instance for %s",i),c[p]=s(i,e)),n=c[p]),n.socket(r.path)}var o=t("./url"),i=t("socket.io-parser"),s=t("./manager"),a=t("debug")("socket.io-client");e.exports=n=r;var c=n.managers={};n.protocol=i.protocol,n.connect=r,n.Manager=t("./manager"),n.Socket=t("./socket")},{"./manager":3,"./socket":5,"./url":6,debug:10,"socket.io-parser":46}],3:[function(t,e){function n(t,e){return this instanceof n?(t&&"object"==typeof t&&(e=t,t=void 0),e=e||{},e.path=e.path||"/socket.io",this.nsps={},this.subs=[],this.opts=e,this.reconnection(e.reconnection!==!1),this.reconnectionAttempts(e.reconnectionAttempts||1/0),this.reconnectionDelay(e.reconnectionDelay||1e3),this.reconnectionDelayMax(e.reconnectionDelayMax||5e3),this.randomizationFactor(e.randomizationFactor||.5),this.backoff=new f({min:this.reconnectionDelay(),max:this.reconnectionDelayMax(),jitter:this.randomizationFactor()}),this.timeout(null==e.timeout?2e4:e.timeout),this.readyState="closed",this.uri=t,this.connected=[],this.encoding=!1,this.packetBuffer=[],this.encoder=new s.Encoder,this.decoder=new s.Decoder,this.autoConnect=e.autoConnect!==!1,void(this.autoConnect&&this.open())):new n(t,e)}var r=(t("./url"),t("engine.io-client")),o=t("./socket"),i=t("component-emitter"),s=t("socket.io-parser"),a=t("./on"),c=t("component-bind"),p=(t("object-component"),t("debug")("socket.io-client:manager")),u=t("indexof"),f=t("backo2");e.exports=n,n.prototype.emitAll=function(){this.emit.apply(this,arguments);for(var t in this.nsps)this.nsps[t].emit.apply(this.nsps[t],arguments)},n.prototype.updateSocketIds=function(){for(var t in this.nsps)this.nsps[t].id=this.engine.id},i(n.prototype),n.prototype.reconnection=function(t){return arguments.length?(this._reconnection=!!t,this):this._reconnection},n.prototype.reconnectionAttempts=function(t){return arguments.length?(this._reconnectionAttempts=t,this):this._reconnectionAttempts},n.prototype.reconnectionDelay=function(t){return arguments.length?(this._reconnectionDelay=t,this.backoff&&this.backoff.setMin(t),this):this._reconnectionDelay},n.prototype.randomizationFactor=function(t){return arguments.length?(this._randomizationFactor=t,this.backoff&&this.backoff.setJitter(t),this):this._randomizationFactor},n.prototype.reconnectionDelayMax=function(t){return arguments.length?(this._reconnectionDelayMax=t,this.backoff&&this.backoff.setMax(t),this):this._reconnectionDelayMax},n.prototype.timeout=function(t){return arguments.length?(this._timeout=t,this):this._timeout},n.prototype.maybeReconnectOnOpen=function(){!this.reconnecting&&this._reconnection&&0===this.backoff.attempts&&this.reconnect()},n.prototype.open=n.prototype.connect=function(t){if(p("readyState %s",this.readyState),~this.readyState.indexOf("open"))return this;p("opening %s",this.uri),this.engine=r(this.uri,this.opts);var e=this.engine,n=this;this.readyState="opening",this.skipReconnect=!1;var o=a(e,"open",function(){n.onopen(),t&&t()}),i=a(e,"error",function(e){if(p("connect_error"),n.cleanup(),n.readyState="closed",n.emitAll("connect_error",e),t){var r=new Error("Connection error");r.data=e,t(r)}else n.maybeReconnectOnOpen()});if(!1!==this._timeout){var s=this._timeout;p("connect attempt will timeout after %d",s);var c=setTimeout(function(){p("connect attempt timed out after %d",s),o.destroy(),e.close(),e.emit("error","timeout"),n.emitAll("connect_timeout",s)},s);this.subs.push({destroy:function(){clearTimeout(c)}})}return this.subs.push(o),this.subs.push(i),this},n.prototype.onopen=function(){p("open"),this.cleanup(),this.readyState="open",this.emit("open");var t=this.engine;this.subs.push(a(t,"data",c(this,"ondata"))),this.subs.push(a(this.decoder,"decoded",c(this,"ondecoded"))),this.subs.push(a(t,"error",c(this,"onerror"))),this.subs.push(a(t,"close",c(this,"onclose")))},n.prototype.ondata=function(t){this.decoder.add(t)},n.prototype.ondecoded=function(t){this.emit("packet",t)},n.prototype.onerror=function(t){p("error",t),this.emitAll("error",t)},n.prototype.socket=function(t){var e=this.nsps[t];if(!e){e=new o(this,t),this.nsps[t]=e;var n=this;e.on("connect",function(){e.id=n.engine.id,~u(n.connected,e)||n.connected.push(e)})}return e},n.prototype.destroy=function(t){var e=u(this.connected,t);~e&&this.connected.splice(e,1),this.connected.length||this.close()},n.prototype.packet=function(t){p("writing packet %j",t);var e=this;e.encoding?e.packetBuffer.push(t):(e.encoding=!0,this.encoder.encode(t,function(t){for(var n=0;n<t.length;n++)e.engine.write(t[n]);e.encoding=!1,e.processPacketQueue()}))},n.prototype.processPacketQueue=function(){if(this.packetBuffer.length>0&&!this.encoding){var t=this.packetBuffer.shift();this.packet(t)}},n.prototype.cleanup=function(){for(var t;t=this.subs.shift();)t.destroy();this.packetBuffer=[],this.encoding=!1,this.decoder.destroy()},n.prototype.close=n.prototype.disconnect=function(){this.skipReconnect=!0,this.backoff.reset(),this.readyState="closed",this.engine&&this.engine.close()},n.prototype.onclose=function(t){p("close"),this.cleanup(),this.backoff.reset(),this.readyState="closed",this.emit("close",t),this._reconnection&&!this.skipReconnect&&this.reconnect()},n.prototype.reconnect=function(){if(this.reconnecting||this.skipReconnect)return this;var t=this;if(this.backoff.attempts>=this._reconnectionAttempts)p("reconnect failed"),this.backoff.reset(),this.emitAll("reconnect_failed"),this.reconnecting=!1;else{var e=this.backoff.duration();p("will wait %dms before reconnect attempt",e),this.reconnecting=!0;var n=setTimeout(function(){t.skipReconnect||(p("attempting reconnect"),t.emitAll("reconnect_attempt",t.backoff.attempts),t.emitAll("reconnecting",t.backoff.attempts),t.skipReconnect||t.open(function(e){e?(p("reconnect attempt error"),t.reconnecting=!1,t.reconnect(),t.emitAll("reconnect_error",e.data)):(p("reconnect success"),t.onreconnect())}))},e);this.subs.push({destroy:function(){clearTimeout(n)}})}},n.prototype.onreconnect=function(){var t=this.backoff.attempts;this.reconnecting=!1,this.backoff.reset(),this.updateSocketIds(),this.emitAll("reconnect",t)}},{"./on":4,"./socket":5,"./url":6,backo2:7,"component-bind":8,"component-emitter":9,debug:10,"engine.io-client":11,indexof:42,"object-component":43,"socket.io-parser":46}],4:[function(t,e){function n(t,e,n){return t.on(e,n),{destroy:function(){t.removeListener(e,n)}}}e.exports=n},{}],5:[function(t,e,n){function r(t,e){this.io=t,this.nsp=e,this.json=this,this.ids=0,this.acks={},this.io.autoConnect&&this.open(),this.receiveBuffer=[],this.sendBuffer=[],this.connected=!1,this.disconnected=!0}var o=t("socket.io-parser"),i=t("component-emitter"),s=t("to-array"),a=t("./on"),c=t("component-bind"),p=t("debug")("socket.io-client:socket"),u=t("has-binary");e.exports=n=r;var f={connect:1,connect_error:1,connect_timeout:1,disconnect:1,error:1,reconnect:1,reconnect_attempt:1,reconnect_failed:1,reconnect_error:1,reconnecting:1},h=i.prototype.emit;i(r.prototype),r.prototype.subEvents=function(){if(!this.subs){var t=this.io;this.subs=[a(t,"open",c(this,"onopen")),a(t,"packet",c(this,"onpacket")),a(t,"close",c(this,"onclose"))]}},r.prototype.open=r.prototype.connect=function(){return this.connected?this:(this.subEvents(),this.io.open(),"open"==this.io.readyState&&this.onopen(),this)},r.prototype.send=function(){var t=s(arguments);return t.unshift("message"),this.emit.apply(this,t),this},r.prototype.emit=function(t){if(f.hasOwnProperty(t))return h.apply(this,arguments),this;var e=s(arguments),n=o.EVENT;u(e)&&(n=o.BINARY_EVENT);var r={type:n,data:e};return"function"==typeof e[e.length-1]&&(p("emitting packet with ack id %d",this.ids),this.acks[this.ids]=e.pop(),r.id=this.ids++),this.connected?this.packet(r):this.sendBuffer.push(r),this},r.prototype.packet=function(t){t.nsp=this.nsp,this.io.packet(t)},r.prototype.onopen=function(){p("transport is open - connecting"),"/"!=this.nsp&&this.packet({type:o.CONNECT})},r.prototype.onclose=function(t){p("close (%s)",t),this.connected=!1,this.disconnected=!0,delete this.id,this.emit("disconnect",t)},r.prototype.onpacket=function(t){if(t.nsp==this.nsp)switch(t.type){case o.CONNECT:this.onconnect();break;case o.EVENT:this.onevent(t);break;case o.BINARY_EVENT:this.onevent(t);break;case o.ACK:this.onack(t);break;case o.BINARY_ACK:this.onack(t);break;case o.DISCONNECT:this.ondisconnect();break;case o.ERROR:this.emit("error",t.data)}},r.prototype.onevent=function(t){var e=t.data||[];p("emitting event %j",e),null!=t.id&&(p("attaching ack callback to event"),e.push(this.ack(t.id))),this.connected?h.apply(this,e):this.receiveBuffer.push(e)},r.prototype.ack=function(t){var e=this,n=!1;return function(){if(!n){n=!0;var r=s(arguments);p("sending ack %j",r);var i=u(r)?o.BINARY_ACK:o.ACK;e.packet({type:i,id:t,data:r})}}},r.prototype.onack=function(t){p("calling ack %s with %j",t.id,t.data);var e=this.acks[t.id];e.apply(this,t.data),delete this.acks[t.id]},r.prototype.onconnect=function(){this.connected=!0,this.disconnected=!1,this.emit("connect"),this.emitBuffered()},r.prototype.emitBuffered=function(){var t;for(t=0;t<this.receiveBuffer.length;t++)h.apply(this,this.receiveBuffer[t]);for(this.receiveBuffer=[],t=0;t<this.sendBuffer.length;t++)this.packet(this.sendBuffer[t]);this.sendBuffer=[]},r.prototype.ondisconnect=function(){p("server disconnect (%s)",this.nsp),this.destroy(),this.onclose("io server disconnect")},r.prototype.destroy=function(){if(this.subs){for(var t=0;t<this.subs.length;t++)this.subs[t].destroy();this.subs=null}this.io.destroy(this)},r.prototype.close=r.prototype.disconnect=function(){return this.connected&&(p("performing disconnect (%s)",this.nsp),this.packet({type:o.DISCONNECT})),this.destroy(),this.connected&&this.onclose("io client disconnect"),this}},{"./on":4,"component-bind":8,"component-emitter":9,debug:10,"has-binary":38,"socket.io-parser":46,"to-array":50}],6:[function(t,e){(function(n){function r(t,e){var r=t,e=e||n.location;return null==t&&(t=e.protocol+"//"+e.host),"string"==typeof t&&("/"==t.charAt(0)&&(t="/"==t.charAt(1)?e.protocol+t:e.hostname+t),/^(https?|wss?):\/\//.test(t)||(i("protocol-less url %s",t),t="undefined"!=typeof e?e.protocol+"//"+t:"https://"+t),i("parse %s",t),r=o(t)),r.port||(/^(http|ws)$/.test(r.protocol)?r.port="80":/^(http|ws)s$/.test(r.protocol)&&(r.port="443")),r.path=r.path||"/",r.id=r.protocol+"://"+r.host+":"+r.port,r.href=r.protocol+"://"+r.host+(e&&e.port==r.port?"":":"+r.port),r}var o=t("parseuri"),i=t("debug")("socket.io-client:url");e.exports=r}).call(this,"undefined"!=typeof self?self:"undefined"!=typeof window?window:{})},{debug:10,parseuri:44}],7:[function(t,e){function n(t){t=t||{},this.ms=t.min||100,this.max=t.max||1e4,this.factor=t.factor||2,this.jitter=t.jitter>0&&t.jitter<=1?t.jitter:0,this.attempts=0}e.exports=n,n.prototype.duration=function(){var t=this.ms*Math.pow(this.factor,this.attempts++);if(this.jitter){var e=Math.random(),n=Math.floor(e*this.jitter*t);t=0==(1&Math.floor(10*e))?t-n:t+n}return 0|Math.min(t,this.max)},n.prototype.reset=function(){this.attempts=0},n.prototype.setMin=function(t){this.ms=t},n.prototype.setMax=function(t){this.max=t},n.prototype.setJitter=function(t){this.jitter=t}},{}],8:[function(t,e){var n=[].slice;e.exports=function(t,e){if("string"==typeof e&&(e=t[e]),"function"!=typeof e)throw new Error("bind() requires a function");var r=n.call(arguments,2);return function(){return e.apply(t,r.concat(n.call(arguments)))}}},{}],9:[function(t,e){function n(t){return t?r(t):void 0}function r(t){for(var e in n.prototype)t[e]=n.prototype[e];return t}e.exports=n,n.prototype.on=n.prototype.addEventListener=function(t,e){return this._callbacks=this._callbacks||{},(this._callbacks[t]=this._callbacks[t]||[]).push(e),this},n.prototype.once=function(t,e){function n(){r.off(t,n),e.apply(this,arguments)}var r=this;return this._callbacks=this._callbacks||{},n.fn=e,this.on(t,n),this},n.prototype.off=n.prototype.removeListener=n.prototype.removeAllListeners=n.prototype.removeEventListener=function(t,e){if(this._callbacks=this._callbacks||{},0==arguments.length)return this._callbacks={},this;var n=this._callbacks[t];if(!n)return this;if(1==arguments.length)return delete this._callbacks[t],this;for(var r,o=0;o<n.length;o++)if(r=n[o],r===e||r.fn===e){n.splice(o,1);break}return this},n.prototype.emit=function(t){this._callbacks=this._callbacks||{};var e=[].slice.call(arguments,1),n=this._callbacks[t];if(n){n=n.slice(0);for(var r=0,o=n.length;o>r;++r)n[r].apply(this,e)}return this},n.prototype.listeners=function(t){return this._callbacks=this._callbacks||{},this._callbacks[t]||[]},n.prototype.hasListeners=function(t){return!!this.listeners(t).length}},{}],10:[function(t,e){function n(t){return n.enabled(t)?function(e){e=r(e);var o=new Date,i=o-(n[t]||o);n[t]=o,e=t+" "+e+" +"+n.humanize(i),window.console&&console.log&&Function.prototype.apply.call(console.log,console,arguments)}:function(){}}function r(t){return t instanceof Error?t.stack||t.message:t}e.exports=n,n.names=[],n.skips=[],n.enable=function(t){try{localStorage.debug=t}catch(e){}for(var r=(t||"").split(/[\s,]+/),o=r.length,i=0;o>i;i++)t=r[i].replace("*",".*?"),"-"===t[0]?n.skips.push(new RegExp("^"+t.substr(1)+"$")):n.names.push(new RegExp("^"+t+"$"))},n.disable=function(){n.enable("")},n.humanize=function(t){var e=1e3,n=6e4,r=60*n;return t>=r?(t/r).toFixed(1)+"h":t>=n?(t/n).toFixed(1)+"m":t>=e?(t/e|0)+"s":t+"ms"},n.enabled=function(t){for(var e=0,r=n.skips.length;r>e;e++)if(n.skips[e].test(t))return!1;for(var e=0,r=n.names.length;r>e;e++)if(n.names[e].test(t))return!0;return!1};try{window.localStorage&&n.enable(localStorage.debug)}catch(o){}},{}],11:[function(t,e){e.exports=t("./lib/")},{"./lib/":12}],12:[function(t,e){e.exports=t("./socket"),e.exports.parser=t("engine.io-parser")},{"./socket":13,"engine.io-parser":25}],13:[function(t,e){(function(n){function r(t,e){if(!(this instanceof r))return new r(t,e);if(e=e||{},t&&"object"==typeof t&&(e=t,t=null),t&&(t=u(t),e.host=t.host,e.secure="https"==t.protocol||"wss"==t.protocol,e.port=t.port,t.query&&(e.query=t.query)),this.secure=null!=e.secure?e.secure:n.location&&"https:"==location.protocol,e.host){var o=e.host.split(":");e.hostname=o.shift(),o.length?e.port=o.pop():e.port||(e.port=this.secure?"443":"80")}this.agent=e.agent||!1,this.hostname=e.hostname||(n.location?location.hostname:"localhost"),this.port=e.port||(n.location&&location.port?location.port:this.secure?443:80),this.query=e.query||{},"string"==typeof this.query&&(this.query=h.decode(this.query)),this.upgrade=!1!==e.upgrade,this.path=(e.path||"/engine.io").replace(/\/$/,"")+"/",this.forceJSONP=!!e.forceJSONP,this.jsonp=!1!==e.jsonp,this.forceBase64=!!e.forceBase64,this.enablesXDR=!!e.enablesXDR,this.timestampParam=e.timestampParam||"t",this.timestampRequests=e.timestampRequests,this.transports=e.transports||["polling","websocket"],this.readyState="",this.writeBuffer=[],this.callbackBuffer=[],this.policyPort=e.policyPort||843,this.rememberUpgrade=e.rememberUpgrade||!1,this.binaryType=null,this.onlyBinaryUpgrades=e.onlyBinaryUpgrades,this.pfx=e.pfx||null,this.key=e.key||null,this.passphrase=e.passphrase||null,this.cert=e.cert||null,this.ca=e.ca||null,this.ciphers=e.ciphers||null,this.rejectUnauthorized=e.rejectUnauthorized||null,this.open()}function o(t){var e={};for(var n in t)t.hasOwnProperty(n)&&(e[n]=t[n]);return e}var i=t("./transports"),s=t("component-emitter"),a=t("debug")("engine.io-client:socket"),c=t("indexof"),p=t("engine.io-parser"),u=t("parseuri"),f=t("parsejson"),h=t("parseqs");e.exports=r,r.priorWebsocketSuccess=!1,s(r.prototype),r.protocol=p.protocol,r.Socket=r,r.Transport=t("./transport"),r.transports=t("./transports"),r.parser=t("engine.io-parser"),r.prototype.createTransport=function(t){a('creating transport "%s"',t);var e=o(this.query);e.EIO=p.protocol,e.transport=t,this.id&&(e.sid=this.id);var n=new i[t]({agent:this.agent,hostname:this.hostname,port:this.port,secure:this.secure,path:this.path,query:e,forceJSONP:this.forceJSONP,jsonp:this.jsonp,forceBase64:this.forceBase64,enablesXDR:this.enablesXDR,timestampRequests:this.timestampRequests,timestampParam:this.timestampParam,policyPort:this.policyPort,socket:this,pfx:this.pfx,key:this.key,passphrase:this.passphrase,cert:this.cert,ca:this.ca,ciphers:this.ciphers,rejectUnauthorized:this.rejectUnauthorized});return n},r.prototype.open=function(){var t;if(this.rememberUpgrade&&r.priorWebsocketSuccess&&-1!=this.transports.indexOf("websocket"))t="websocket";else{if(0==this.transports.length){var e=this;return void setTimeout(function(){e.emit("error","No transports available")},0)}t=this.transports[0]}this.readyState="opening";var t;try{t=this.createTransport(t)}catch(n){return this.transports.shift(),void this.open()}t.open(),this.setTransport(t)},r.prototype.setTransport=function(t){a("setting transport %s",t.name);var e=this;this.transport&&(a("clearing existing transport %s",this.transport.name),this.transport.removeAllListeners()),this.transport=t,t.on("drain",function(){e.onDrain()}).on("packet",function(t){e.onPacket(t)}).on("error",function(t){e.onError(t)}).on("close",function(){e.onClose("transport close")})},r.prototype.probe=function(t){function e(){if(h.onlyBinaryUpgrades){var e=!this.supportsBinary&&h.transport.supportsBinary;f=f||e}f||(a('probe transport "%s" opened',t),u.send([{type:"ping",data:"probe"}]),u.once("packet",function(e){if(!f)if("pong"==e.type&&"probe"==e.data){if(a('probe transport "%s" pong',t),h.upgrading=!0,h.emit("upgrading",u),!u)return;r.priorWebsocketSuccess="websocket"==u.name,a('pausing current transport "%s"',h.transport.name),h.transport.pause(function(){f||"closed"!=h.readyState&&(a("changing transport and sending upgrade packet"),p(),h.setTransport(u),u.send([{type:"upgrade"}]),h.emit("upgrade",u),u=null,h.upgrading=!1,h.flush())})}else{a('probe transport "%s" failed',t);var n=new Error("probe error");n.transport=u.name,h.emit("upgradeError",n)}}))}function n(){f||(f=!0,p(),u.close(),u=null)}function o(e){var r=new Error("probe error: "+e);r.transport=u.name,n(),a('probe transport "%s" failed because of error: %s',t,e),h.emit("upgradeError",r)}function i(){o("transport closed")}function s(){o("socket closed")}function c(t){u&&t.name!=u.name&&(a('"%s" works - aborting "%s"',t.name,u.name),n())}function p(){u.removeListener("open",e),u.removeListener("error",o),u.removeListener("close",i),h.removeListener("close",s),h.removeListener("upgrading",c)}a('probing transport "%s"',t);var u=this.createTransport(t,{probe:1}),f=!1,h=this;r.priorWebsocketSuccess=!1,u.once("open",e),u.once("error",o),u.once("close",i),this.once("close",s),this.once("upgrading",c),u.open()},r.prototype.onOpen=function(){if(a("socket open"),this.readyState="open",r.priorWebsocketSuccess="websocket"==this.transport.name,this.emit("open"),this.flush(),"open"==this.readyState&&this.upgrade&&this.transport.pause){a("starting upgrade probes");for(var t=0,e=this.upgrades.length;e>t;t++)this.probe(this.upgrades[t])}},r.prototype.onPacket=function(t){if("opening"==this.readyState||"open"==this.readyState)switch(a('socket receive: type "%s", data "%s"',t.type,t.data),this.emit("packet",t),this.emit("heartbeat"),t.type){case"open":this.onHandshake(f(t.data));break;case"pong":this.setPing();break;case"error":var e=new Error("server error");e.code=t.data,this.emit("error",e);break;case"message":this.emit("data",t.data),this.emit("message",t.data)}else a('packet received with socket readyState "%s"',this.readyState)},r.prototype.onHandshake=function(t){this.emit("handshake",t),this.id=t.sid,this.transport.query.sid=t.sid,this.upgrades=this.filterUpgrades(t.upgrades),this.pingInterval=t.pingInterval,this.pingTimeout=t.pingTimeout,this.onOpen(),"closed"!=this.readyState&&(this.setPing(),this.removeListener("heartbeat",this.onHeartbeat),this.on("heartbeat",this.onHeartbeat))},r.prototype.onHeartbeat=function(t){clearTimeout(this.pingTimeoutTimer);var e=this;e.pingTimeoutTimer=setTimeout(function(){"closed"!=e.readyState&&e.onClose("ping timeout")},t||e.pingInterval+e.pingTimeout)},r.prototype.setPing=function(){var t=this;clearTimeout(t.pingIntervalTimer),t.pingIntervalTimer=setTimeout(function(){a("writing ping packet - expecting pong within %sms",t.pingTimeout),t.ping(),t.onHeartbeat(t.pingTimeout)},t.pingInterval)},r.prototype.ping=function(){this.sendPacket("ping")},r.prototype.onDrain=function(){for(var t=0;t<this.prevBufferLen;t++)this.callbackBuffer[t]&&this.callbackBuffer[t]();this.writeBuffer.splice(0,this.prevBufferLen),this.callbackBuffer.splice(0,this.prevBufferLen),this.prevBufferLen=0,0==this.writeBuffer.length?this.emit("drain"):this.flush()},r.prototype.flush=function(){"closed"!=this.readyState&&this.transport.writable&&!this.upgrading&&this.writeBuffer.length&&(a("flushing %d packets in socket",this.writeBuffer.length),this.transport.send(this.writeBuffer),this.prevBufferLen=this.writeBuffer.length,this.emit("flush"))},r.prototype.write=r.prototype.send=function(t,e){return this.sendPacket("message",t,e),this},r.prototype.sendPacket=function(t,e,n){if("closing"!=this.readyState&&"closed"!=this.readyState){var r={type:t,data:e};this.emit("packetCreate",r),this.writeBuffer.push(r),this.callbackBuffer.push(n),this.flush()}},r.prototype.close=function(){function t(){r.onClose("forced close"),a("socket closing - telling transport to close"),r.transport.close()}function e(){r.removeListener("upgrade",e),r.removeListener("upgradeError",e),t()}function n(){r.once("upgrade",e),r.once("upgradeError",e)}if("opening"==this.readyState||"open"==this.readyState){this.readyState="closing";var r=this;this.writeBuffer.length?this.once("drain",function(){this.upgrading?n():t()}):this.upgrading?n():t()}return this},r.prototype.onError=function(t){a("socket error %j",t),r.priorWebsocketSuccess=!1,this.emit("error",t),this.onClose("transport error",t)},r.prototype.onClose=function(t,e){if("opening"==this.readyState||"open"==this.readyState||"closing"==this.readyState){a('socket close with reason: "%s"',t);var n=this;clearTimeout(this.pingIntervalTimer),clearTimeout(this.pingTimeoutTimer),setTimeout(function(){n.writeBuffer=[],n.callbackBuffer=[],n.prevBufferLen=0},0),this.transport.removeAllListeners("close"),this.transport.close(),this.transport.removeAllListeners(),this.readyState="closed",this.id=null,this.emit("close",t,e)}},r.prototype.filterUpgrades=function(t){for(var e=[],n=0,r=t.length;r>n;n++)~c(this.transports,t[n])&&e.push(t[n]);return e}}).call(this,"undefined"!=typeof self?self:"undefined"!=typeof window?window:{})},{"./transport":14,"./transports":15,"component-emitter":9,debug:22,"engine.io-parser":25,indexof:42,parsejson:34,parseqs:35,parseuri:36}],14:[function(t,e){function n(t){this.path=t.path,this.hostname=t.hostname,this.port=t.port,this.secure=t.secure,this.query=t.query,this.timestampParam=t.timestampParam,this.timestampRequests=t.timestampRequests,this.readyState="",this.agent=t.agent||!1,this.socket=t.socket,this.enablesXDR=t.enablesXDR,this.pfx=t.pfx,this.key=t.key,this.passphrase=t.passphrase,this.cert=t.cert,this.ca=t.ca,this.ciphers=t.ciphers,this.rejectUnauthorized=t.rejectUnauthorized}var r=t("engine.io-parser"),o=t("component-emitter");e.exports=n,o(n.prototype),n.timestamps=0,n.prototype.onError=function(t,e){var n=new Error(t);return n.type="TransportError",n.description=e,this.emit("error",n),this},n.prototype.open=function(){return("closed"==this.readyState||""==this.readyState)&&(this.readyState="opening",this.doOpen()),this},n.prototype.close=function(){return("opening"==this.readyState||"open"==this.readyState)&&(this.doClose(),this.onClose()),this},n.prototype.send=function(t){if("open"!=this.readyState)throw new Error("Transport not open");this.write(t)},n.prototype.onOpen=function(){this.readyState="open",this.writable=!0,this.emit("open")},n.prototype.onData=function(t){var e=r.decodePacket(t,this.socket.binaryType);this.onPacket(e)},n.prototype.onPacket=function(t){this.emit("packet",t)},n.prototype.onClose=function(){this.readyState="closed",this.emit("close")}},{"component-emitter":9,"engine.io-parser":25}],15:[function(t,e,n){(function(e){function r(t){var n,r=!1,a=!1,c=!1!==t.jsonp;if(e.location){var p="https:"==location.protocol,u=location.port;u||(u=p?443:80),r=t.hostname!=location.hostname||u!=t.port,a=t.secure!=p}if(t.xdomain=r,t.xscheme=a,n=new o(t),"open"in n&&!t.forceJSONP)return new i(t);if(!c)throw new Error("JSONP disabled");return new s(t)}var o=t("xmlhttprequest"),i=t("./polling-xhr"),s=t("./polling-jsonp"),a=t("./websocket");n.polling=r,n.websocket=a}).call(this,"undefined"!=typeof self?self:"undefined"!=typeof window?window:{})},{"./polling-jsonp":16,"./polling-xhr":17,"./websocket":19,xmlhttprequest:20}],16:[function(t,e){(function(n){function r(){}function o(t){i.call(this,t),this.query=this.query||{},a||(n.___eio||(n.___eio=[]),a=n.___eio),this.index=a.length;var e=this;a.push(function(t){e.onData(t)}),this.query.j=this.index,n.document&&n.addEventListener&&n.addEventListener("beforeunload",function(){e.script&&(e.script.onerror=r)},!1)}var i=t("./polling"),s=t("component-inherit");e.exports=o;var a,c=/\n/g,p=/\\n/g;s(o,i),o.prototype.supportsBinary=!1,o.prototype.doClose=function(){this.script&&(this.script.parentNode.removeChild(this.script),this.script=null),this.form&&(this.form.parentNode.removeChild(this.form),this.form=null,this.iframe=null),i.prototype.doClose.call(this)},o.prototype.doPoll=function(){var t=this,e=document.createElement("script");this.script&&(this.script.parentNode.removeChild(this.script),this.script=null),e.async=!0,e.src=this.uri(),e.onerror=function(e){t.onError("jsonp poll error",e)};var n=document.getElementsByTagName("script")[0];n.parentNode.insertBefore(e,n),this.script=e;var r="undefined"!=typeof navigator&&/gecko/i.test(navigator.userAgent);r&&setTimeout(function(){var t=document.createElement("iframe");document.body.appendChild(t),document.body.removeChild(t)},100)},o.prototype.doWrite=function(t,e){function n(){r(),e()}function r(){if(o.iframe)try{o.form.removeChild(o.iframe)}catch(t){o.onError("jsonp polling iframe removal error",t)}try{var e='<iframe src="javascript:0" name="'+o.iframeId+'">';i=document.createElement(e)}catch(t){i=document.createElement("iframe"),i.name=o.iframeId,i.src="javascript:0"}i.id=o.iframeId,o.form.appendChild(i),o.iframe=i}var o=this;if(!this.form){var i,s=document.createElement("form"),a=document.createElement("textarea"),u=this.iframeId="eio_iframe_"+this.index;s.className="socketio",s.style.position="absolute",s.style.top="-1000px",s.style.left="-1000px",s.target=u,s.method="POST",s.setAttribute("accept-charset","utf-8"),a.name="d",s.appendChild(a),document.body.appendChild(s),this.form=s,this.area=a}this.form.action=this.uri(),r(),t=t.replace(p,"\\\n"),this.area.value=t.replace(c,"\\n");try{this.form.submit()}catch(f){}this.iframe.attachEvent?this.iframe.onreadystatechange=function(){"complete"==o.iframe.readyState&&n()}:this.iframe.onload=n}}).call(this,"undefined"!=typeof self?self:"undefined"!=typeof window?window:{})},{"./polling":18,"component-inherit":21}],17:[function(t,e){(function(n){function r(){}function o(t){if(c.call(this,t),n.location){var e="https:"==location.protocol,r=location.port;r||(r=e?443:80),this.xd=t.hostname!=n.location.hostname||r!=t.port,this.xs=t.secure!=e}}function i(t){this.method=t.method||"GET",this.uri=t.uri,this.xd=!!t.xd,this.xs=!!t.xs,this.async=!1!==t.async,this.data=void 0!=t.data?t.data:null,this.agent=t.agent,this.isBinary=t.isBinary,this.supportsBinary=t.supportsBinary,this.enablesXDR=t.enablesXDR,this.pfx=t.pfx,this.key=t.key,this.passphrase=t.passphrase,this.cert=t.cert,this.ca=t.ca,this.ciphers=t.ciphers,this.rejectUnauthorized=t.rejectUnauthorized,this.create()}function s(){for(var t in i.requests)i.requests.hasOwnProperty(t)&&i.requests[t].abort()}var a=t("xmlhttprequest"),c=t("./polling"),p=t("component-emitter"),u=t("component-inherit"),f=t("debug")("engine.io-client:polling-xhr");e.exports=o,e.exports.Request=i,u(o,c),o.prototype.supportsBinary=!0,o.prototype.request=function(t){return t=t||{},t.uri=this.uri(),t.xd=this.xd,t.xs=this.xs,t.agent=this.agent||!1,t.supportsBinary=this.supportsBinary,t.enablesXDR=this.enablesXDR,t.pfx=this.pfx,t.key=this.key,t.passphrase=this.passphrase,t.cert=this.cert,t.ca=this.ca,t.ciphers=this.ciphers,t.rejectUnauthorized=this.rejectUnauthorized,new i(t)},o.prototype.doWrite=function(t,e){var n="string"!=typeof t&&void 0!==t,r=this.request({method:"POST",data:t,isBinary:n}),o=this;r.on("success",e),r.on("error",function(t){o.onError("xhr post error",t)}),this.sendXhr=r},o.prototype.doPoll=function(){f("xhr poll");var t=this.request(),e=this;t.on("data",function(t){e.onData(t)}),t.on("error",function(t){e.onError("xhr poll error",t)}),this.pollXhr=t},p(i.prototype),i.prototype.create=function(){var t={agent:this.agent,xdomain:this.xd,xscheme:this.xs,enablesXDR:this.enablesXDR};t.pfx=this.pfx,t.key=this.key,t.passphrase=this.passphrase,t.cert=this.cert,t.ca=this.ca,t.ciphers=this.ciphers,t.rejectUnauthorized=this.rejectUnauthorized;var e=this.xhr=new a(t),r=this;try{if(f("xhr open %s: %s",this.method,this.uri),e.open(this.method,this.uri,this.async),this.supportsBinary&&(e.responseType="arraybuffer"),"POST"==this.method)try{this.isBinary?e.setRequestHeader("Content-type","application/octet-stream"):e.setRequestHeader("Content-type","text/plain;charset=UTF-8")}catch(o){}"withCredentials"in e&&(e.withCredentials=!0),this.hasXDR()?(e.onload=function(){r.onLoad()},e.onerror=function(){r.onError(e.responseText)}):e.onreadystatechange=function(){4==e.readyState&&(200==e.status||1223==e.status?r.onLoad():setTimeout(function(){r.onError(e.status)},0))},f("xhr data %s",this.data),e.send(this.data)}catch(o){return void 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n=function(t){return"opening"==e.readyState&&e.onOpen(),"close"==t.type?(e.onClose(),!1):void e.onPacket(t)};i.decodePayload(t,this.socket.binaryType,n),"closed"!=this.readyState&&(this.polling=!1,this.emit("pollComplete"),"open"==this.readyState?this.poll():a('ignoring poll - transport state "%s"',this.readyState))},n.prototype.doClose=function(){function t(){a("writing close packet"),e.write([{type:"close"}])}var e=this;"open"==this.readyState?(a("transport open - closing"),t()):(a("transport not open - deferring close"),this.once("open",t))},n.prototype.write=function(t){var e=this;this.writable=!1;var n=function(){e.writable=!0,e.emit("drain")},e=this;i.encodePayload(t,this.supportsBinary,function(t){e.doWrite(t,n)})},n.prototype.uri=function(){var t=this.query||{},e=this.secure?"https":"http",n="";return!1!==this.timestampRequests&&(t[this.timestampParam]=+new Date+"-"+r.timestamps++),this.supportsBinary||t.sid||(t.b64=1),t=o.encode(t),this.port&&("https"==e&&443!=this.port||"http"==e&&80!=this.port)&&(n=":"+this.port),t.length&&(t="?"+t),e+"://"+this.hostname+n+this.path+t}},{"../transport":14,"component-inherit":21,debug:22,"engine.io-parser":25,parseqs:35,xmlhttprequest:20}],19:[function(t,e){function n(t){var e=t&&t.forceBase64;e&&(this.supportsBinary=!1),r.call(this,t)}var r=t("../transport"),o=t("engine.io-parser"),i=t("parseqs"),s=t("component-inherit"),a=t("debug")("engine.io-client:websocket"),c=t("ws");e.exports=n,s(n,r),n.prototype.name="websocket",n.prototype.supportsBinary=!0,n.prototype.doOpen=function(){if(this.check()){var t=this.uri(),e=void 0,n={agent:this.agent};n.pfx=this.pfx,n.key=this.key,n.passphrase=this.passphrase,n.cert=this.cert,n.ca=this.ca,n.ciphers=this.ciphers,n.rejectUnauthorized=this.rejectUnauthorized,this.ws=new c(t,e,n),void 0===this.ws.binaryType&&(this.supportsBinary=!1),this.ws.binaryType="arraybuffer",this.addEventListeners()}},n.prototype.addEventListeners=function(){var t=this;this.ws.onopen=function(){t.onOpen()},this.ws.onclose=function(){t.onClose()},this.ws.onmessage=function(e){t.onData(e.data)},this.ws.onerror=function(e){t.onError("websocket error",e)}},"undefined"!=typeof navigator&&/iPad|iPhone|iPod/i.test(navigator.userAgent)&&(n.prototype.onData=function(t){var e=this;setTimeout(function(){r.prototype.onData.call(e,t)},0)}),n.prototype.write=function(t){function e(){n.writable=!0,n.emit("drain")}var n=this;this.writable=!1;for(var r=0,i=t.length;i>r;r++)o.encodePacket(t[r],this.supportsBinary,function(t){try{n.ws.send(t)}catch(e){a("websocket closed before onclose event")}});setTimeout(e,0)},n.prototype.onClose=function(){r.prototype.onClose.call(this)},n.prototype.doClose=function(){"undefined"!=typeof this.ws&&this.ws.close()},n.prototype.uri=function(){var t=this.query||{},e=this.secure?"wss":"ws",n="";return this.port&&("wss"==e&&443!=this.port||"ws"==e&&80!=this.port)&&(n=":"+this.port),this.timestampRequests&&(t[this.timestampParam]=+new Date),this.supportsBinary||(t.b64=1),t=i.encode(t),t.length&&(t="?"+t),e+"://"+this.hostname+n+this.path+t},n.prototype.check=function(){return!(!c||"__initialize"in c&&this.name===n.prototype.name)}},{"../transport":14,"component-inherit":21,debug:22,"engine.io-parser":25,parseqs:35,ws:37}],20:[function(t,e){var n=t("has-cors");e.exports=function(t){var e=t.xdomain,r=t.xscheme,o=t.enablesXDR;try{if("undefined"!=typeof XMLHttpRequest&&(!e||n))return new XMLHttpRequest}catch(i){}try{if("undefined"!=typeof XDomainRequest&&!r&&o)return new XDomainRequest}catch(i){}if(!e)try{return new ActiveXObject("Microsoft.XMLHTTP")}catch(i){}}},{"has-cors":40}],21:[function(t,e){e.exports=function(t,e){var n=function(){};n.prototype=e.prototype,t.prototype=new n,t.prototype.constructor=t}},{}],22:[function(t,e,n){function r(){return"WebkitAppearance"in document.documentElement.style||window.console&&(console.firebug||console.exception&&console.table)||navigator.userAgent.toLowerCase().match(/firefox\/(\d+)/)&&parseInt(RegExp.$1,10)>=31}function o(){var t=arguments,e=this.useColors;if(t[0]=(e?"%c":"")+this.namespace+(e?" %c":" ")+t[0]+(e?"%c ":" ")+"+"+n.humanize(this.diff),!e)return t;var r="color: "+this.color;t=[t[0],r,"color: inherit"].concat(Array.prototype.slice.call(t,1));var o=0,i=0;return t[0].replace(/%[a-z%]/g,function(t){"%"!==t&&(o++,"%c"===t&&(i=o))}),t.splice(i,0,r),t}function i(){return"object"==typeof console&&"function"==typeof console.log&&Function.prototype.apply.call(console.log,console,arguments)}function s(t){try{null==t?localStorage.removeItem("debug"):localStorage.debug=t}catch(e){}}function a(){var t;try{t=localStorage.debug}catch(e){}return t}n=e.exports=t("./debug"),n.log=i,n.formatArgs=o,n.save=s,n.load=a,n.useColors=r,n.colors=["lightseagreen","forestgreen","goldenrod","dodgerblue","darkorchid","crimson"],n.formatters.j=function(t){return JSON.stringify(t)},n.enable(a())},{"./debug":23}],23:[function(t,e,n){function r(){return n.colors[u++%n.colors.length]}function o(t){function e(){}function o(){var t=o,e=+new Date,i=e-(p||e);t.diff=i,t.prev=p,t.curr=e,p=e,null==t.useColors&&(t.useColors=n.useColors()),null==t.color&&t.useColors&&(t.color=r());var s=Array.prototype.slice.call(arguments);s[0]=n.coerce(s[0]),"string"!=typeof s[0]&&(s=["%o"].concat(s));var a=0;s[0]=s[0].replace(/%([a-z%])/g,function(e,r){if("%"===e)return e;a++;var o=n.formatters[r];if("function"==typeof o){var i=s[a];e=o.call(t,i),s.splice(a,1),a--}return e}),"function"==typeof n.formatArgs&&(s=n.formatArgs.apply(t,s));var c=o.log||n.log||console.log.bind(console);c.apply(t,s)}e.enabled=!1,o.enabled=!0;var i=n.enabled(t)?o:e;return i.namespace=t,i}function i(t){n.save(t);for(var e=(t||"").split(/[\s,]+/),r=e.length,o=0;r>o;o++)e[o]&&(t=e[o].replace(/\*/g,".*?"),"-"===t[0]?n.skips.push(new RegExp("^"+t.substr(1)+"$")):n.names.push(new RegExp("^"+t+"$")))}function s(){n.enable("")}function a(t){var e,r;for(e=0,r=n.skips.length;r>e;e++)if(n.skips[e].test(t))return!1;for(e=0,r=n.names.length;r>e;e++)if(n.names[e].test(t))return!0;return!1}function c(t){return t instanceof Error?t.stack||t.message:t}n=e.exports=o,n.coerce=c,n.disable=s,n.enable=i,n.enabled=a,n.humanize=t("ms"),n.names=[],n.skips=[],n.formatters={};var p,u=0},{ms:24}],24:[function(t,e){function n(t){var e=/^((?:\d+)?\.?\d+) *(ms|seconds?|s|minutes?|m|hours?|h|days?|d|years?|y)?$/i.exec(t);if(e){var n=parseFloat(e[1]),r=(e[2]||"ms").toLowerCase();switch(r){case"years":case"year":case"y":return n*u;case"days":case"day":case"d":return n*p;case"hours":case"hour":case"h":return n*c;case"minutes":case"minute":case"m":return 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\ No newline at end of file
diff --git a/templates/index.html b/templates/index.html
new file mode 100644
index 0000000..d983564
--- /dev/null
+++ b/templates/index.html
@@ -0,0 +1,21 @@
+<!DOCTYPE html>
+<html>
+    <head>
+        <meta charset="utf-8" />
+        <title>Hacker Jeopardy!</title>
+        <link href="/static/main.css" rel="stylesheet" />
+        <link href="/static/favicon.png" rel="icon" />
+        <script src="/static/socket.io.min.js"></script>
+        <script src="/static/main.js"></script>
+    </head>
+    <body>
+        <div class="nojs">
+            <p>You'll have to enable JavaScript, sorry.</p>
+        </div>
+        <div id="error"></div>
+        <div id="status"><p>Client state: No JS?</p></div>
+        <div id="board"></div>
+        <div id="contestants"></div>
+        <div id="question"></div>
+    </body>
+</html>