Add 'crypto' bot: streams CoinGecko prices to a channel

New crypto bot type: creates a broadcast channel and posts a price snapshot of the
selected coins/currencies (CoinGecko simple/price JSON) every interval — same
channel-streaming model as RSS. Create form has checkbox grids for popular coins
and currencies plus a poll interval. Generalize the channel helper and feed-poll
state (channel_gid/poll_next) shared by rss + crypto. Adds crypto_test.py (mock
CoinGecko) — passes; rss_test updated for the renamed field.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

manager/crypto_test.py

@@ -0,0 +1,116 @@
+"""End-to-end test of the crypto price bot (Pattern 3, in-process FFI).
+
+Serves a mock CoinGecko simple/price endpoint, starts a crypto bot, and checks it
+creates a channel and posts a price snapshot of the selected coins/currencies.
+
+Run:  .venv/bin/python crypto_test.py
+"""
+
+import asyncio
+import json
+import sys
+import threading
+import time
+import urllib.request
+from http.server import BaseHTTPRequestHandler, HTTPServer
+from pathlib import Path
+
+sys.path.insert(0, str(Path(__file__).resolve().parent))
+import profiles as pm  # noqa: E402
+
+DATA = Path("data")
+BOT_PREFIX = str(DATA / "cryptotest_bot")
+BOT_PID = 99005
+
+PRICES = {"bitcoin": {"usd": 65000, "gbp": 51000}, "ethereum": {"usd": 3200, "gbp": 2500}}
+
+
+class CGHandler(BaseHTTPRequestHandler):
+    def do_GET(self):
+        body = json.dumps(PRICES).encode()
+        self.send_response(200)
+        self.send_header("Content-Type", "application/json")
+        self.end_headers()
+        self.wfile.write(body)
+
+    def log_message(self, *a):
+        pass
+
+
+def cleanup():
+    for p in DATA.glob("cryptotest_bot_*"):
+        p.unlink()
+
+
+async def wait_until(fn, timeout=120, every=1):
+    start = time.time()
+    while time.time() - start < timeout:
+        v = await fn()
+        if v:
+            return v
+        await asyncio.sleep(every)
+    return None
+
+
+async def channel_texts(chat, gid):
+    c = await chat.api_get_chat("group", gid, 50)
+    return [ci.get("content", {}).get("msgContent", {}).get("text", "") for ci in c.get("chatItems", [])]
+
+
+async def main() -> int:
+    cleanup()
+    srv = HTTPServer(("127.0.0.1", 0), CGHandler)
+    port = srv.server_address[1]
+    threading.Thread(target=srv.serve_forever, daemon=True).start()
+
+    # point the bot's fetcher at the mock server
+    base = f"http://127.0.0.1:{port}/"
+    orig_fetch = pm._fetch_crypto
+
+    def mock_fetch(ids, vs):
+        with urllib.request.urlopen(base, timeout=10) as r:
+            return json.loads(r.read())
+    pm._fetch_crypto = mock_fetch
+    print("mock CoinGecko on", base)
+
+    profile = {
+        "id": BOT_PID, "name": "cryptotestbot", "bot_type": "crypto",
+        "db_prefix": BOT_PREFIX,
+        "config": json.dumps({"coins": ["bitcoin", "ethereum"],
+                              "currencies": ["usd", "gbp"], "poll_seconds": 60}),
+    }
+    ok = True
+    try:
+        await pm.start_bot(profile, lambda pid, addr: asyncio.sleep(0))
+        b = pm.get_running(BOT_PID)
+        gid = await wait_until(lambda: asyncio.sleep(0, b.channel_gid), timeout=90)
+        print("channel created:", bool(gid), "gid", gid)
+        assert gid, "crypto bot did not create a channel"
+
+        got = await wait_until(
+            lambda: _has_price(channel_texts(b.chat, gid)), timeout=30, every=2
+        )
+        print("price snapshot posted:", got)
+        assert got and "Bitcoin" in got and "$" in got, "no valid price snapshot posted"
+    except AssertionError as e:
+        ok = False
+        print("ASSERT FAIL:", e)
+    finally:
+        pm._fetch_crypto = orig_fetch
+        await pm.stop_bot(BOT_PID)
+        srv.shutdown()
+        cleanup()
+
+    print("\nRESULT:", "PASS — crypto bot posts price snapshots" if ok else "FAIL")
+    return 0 if ok else 1
+
+
+async def _has_price(coro):
+    for t in await coro:
+        if "Crypto prices" in (t or ""):
+            return t
+    return None
+
+
+if __name__ == "__main__":
+    raise SystemExit(asyncio.run(main()))

manager/profiles.py

@@ -4,6 +4,7 @@ import asyncio
 import json
 import logging
 import time
+import urllib.parse
 import urllib.request
 import xml.etree.ElementTree as ET
 from dataclasses import dataclass, field
@@ -138,7 +139,7 @@ def group_member_count(g: dict) -> int:
     return g.get("groupSummary", {}).get("currentMembers", 0)
 
 
-BOT_TYPES      = ["echo", "llm", "rss", "broadcast", "support", "directory", "deadmans"]
+BOT_TYPES      = ["echo", "llm", "rss", "crypto", "broadcast", "support", "directory", "deadmans"]
 USER_TYPES     = ["user"]
 BUSINESS_TYPES = ["business"]  # cli accounts with a business address (per-customer group chats)
 ALL_TYPES      = BOT_TYPES + USER_TYPES + BUSINESS_TYPES
@@ -157,10 +158,10 @@ class RunningBot:
     chat: Any = None  # simplex_chat ChatApi instance
     # Per-contact LLM conversation history (contactId → [{role, content}, ...])
     histories: dict[int, list[dict]] = field(default_factory=dict)
-    # RSS bot state
+    # Feed-style bot state (rss / crypto)
-    rss_seen: set = field(default_factory=set)   # entry ids already posted
+    rss_seen: set = field(default_factory=set)   # rss: entry ids already posted
-    rss_next_poll: float = 0.0
+    poll_next: float = 0.0                        # next scheduled poll (epoch seconds)
-    rss_gid: int | None = None                   # broadcast channel group id
+    channel_gid: int | None = None               # broadcast channel group id
 
 
 # profile_id → RunningBot
@@ -464,9 +465,9 @@ def _rss_format(e: dict) -> str:
     return f"{title}\n{e['link']}" if e.get("link") else title
 
 
-async def _rss_ensure_channel(profile_id: int, b: "RunningBot", chat: Any, user_id: int,
+async def _ensure_channel(profile_id: int, b: "RunningBot", chat: Any, user_id: int,
-                              name: str, config: dict) -> int | None:
+                          channel_name: str, config: dict) -> int | None:
-    """Find or create the broadcast channel (observer group) for this feed; persist its id."""
+    """Find or create the broadcast channel (observer group) for a feed/ticker bot; persist its id."""
     import db as _db
     gid = config.get("channel_gid")
     if gid:
@@ -478,17 +479,17 @@ async def _rss_ensure_channel(profile_id: int, b: "RunningBot", chat: Any, user_
             return gid  # assume still valid if the lookup failed
     try:
         info = await chat.api_new_group(user_id, {
-            "displayName": f"{name} Feed", "fullName": "",
+            "displayName": channel_name, "fullName": "",
             "groupPreferences": {"history": {"enable": "on"}},  # new subscribers see recent posts
         })
         gid = info["groupId"]
         await chat.api_create_group_link(gid, "observer")  # channel = observer link
         config["channel_gid"] = gid
         _db.update_config(profile_id, config)
-        _append_log(b, f"RSS channel created (group {gid})")
+        _append_log(b, f"Channel created (group {gid})")
         return gid
     except Exception:
-        log.exception("rss: failed to create channel")
+        log.exception("failed to create channel")
         return None
 
 
@@ -525,6 +526,74 @@ async def _rss_poll(b: "RunningBot", chat: Any, gid: int | None, config: dict,
     _append_log(b, f"RSS posted {len(to_post)} item(s)")
 
 
+# ── Crypto price bot helpers (CoinGecko) ─────────────────────────────────────────
+# Popular coins offered in the UI: CoinGecko id → display name.
+CRYPTO_COINS = {
+    "bitcoin": "Bitcoin", "ethereum": "Ethereum", "tether": "Tether", "binancecoin": "BNB",
+    "solana": "Solana", "ripple": "XRP", "cardano": "Cardano", "dogecoin": "Dogecoin",
+    "polkadot": "Polkadot", "litecoin": "Litecoin", "tron": "TRON", "chainlink": "Chainlink",
+}
+# vs_currency → display symbol.
+CRYPTO_CURRENCIES = {"usd": "$", "eur": "€", "gbp": "£", "jpy": "¥", "aud": "A$", "cad": "C$"}
+
+
+def _fetch_crypto(ids: list, vs: list) -> dict:
+    """Fetch current prices from CoinGecko's simple/price endpoint (JSON)."""
+    q = urllib.parse.urlencode({"ids": ",".join(ids), "vs_currencies": ",".join(vs)})
+    url = f"https://api.coingecko.com/api/v3/simple/price?{q}"
+    req = urllib.request.Request(url, headers={"User-Agent": "simplex-crypto-bot/1.0"})
+    with urllib.request.urlopen(req, timeout=20) as r:  # noqa: S310 - fixed CoinGecko host
+        return json.loads(r.read())
+
+
+def _fmt_price(v) -> str:
+    try:
+        v = float(v)
+    except (TypeError, ValueError):
+        return str(v)
+    if v >= 1000:
+        return f"{v:,.0f}"
+    if v >= 1:
+        return f"{v:,.2f}"
+    return f"{v:.8f}".rstrip("0").rstrip(".")
+
+
+def _crypto_format(prices: dict, coins: list, currencies: list) -> str | None:
+    lines = []
+    for cid in coins:
+        d = prices.get(cid)
+        if not d:
+            continue
+        nm = CRYPTO_COINS.get(cid, cid.title())
+        parts = [f"{CRYPTO_CURRENCIES.get(cur, '')}{_fmt_price(d[cur])}"
+                 for cur in currencies if d.get(cur) is not None]
+        if parts:
+            lines.append(f"{nm}: " + " · ".join(parts))
+    if not lines:
+        return None
+    return f"Crypto prices @ {datetime.now().strftime('%H:%M')}\n" + "\n".join(lines)
+
+
+async def _crypto_poll(b: "RunningBot", chat: Any, gid: int | None, config: dict) -> None:
+    """Fetch selected prices and post a snapshot to the channel (the 'stream')."""
+    coins = config.get("coins") or ["bitcoin", "ethereum"]
+    currencies = config.get("currencies") or ["usd"]
+    try:
+        prices = await asyncio.to_thread(_fetch_crypto, coins, currencies)
+    except Exception as e:
+        log.error("crypto fetch error: %s", e)
+        _append_log(b, f"Crypto fetch error: {e}")
+        return
+    msg = _crypto_format(prices, coins, currencies)
+    if not gid or not msg:
+        return
+    try:
+        await chat.api_send_text_message({"chatType": "group", "chatId": gid}, msg)
+        _append_log(b, "Crypto prices posted")
+    except Exception:
+        log.exception("crypto: failed to post to channel")
+
+
 async def _run_bot(
     profile_id: int,
     name: str,
@@ -589,6 +658,9 @@ async def _run_bot(
         elif bot_type == "rss":
             welcome = config.get("welcome_message") or f"You're subscribed to {name}."
             settings["autoReply"] = {"type": "text", "text": welcome}
+        elif bot_type == "crypto":
+            welcome = config.get("welcome_message") or f"You're subscribed to {name} crypto prices."
+            settings["autoReply"] = {"type": "text", "text": welcome}
         elif bot_type in ("echo", "llm", "directory", "deadmans"):
             welcome = config.get("welcome_message", f"Connected to {name}.")
             settings["autoReply"] = {"type": "text", "text": welcome}
@@ -620,20 +692,24 @@ async def _run_bot(
 
         # RSS bot: ensure a broadcast channel and seed seen-items so we don't replay the
         # whole feed on startup; then poll on an interval.
-        rss_poll_s = float(config.get("poll_seconds", 300))
+        poll_s = float(config.get("poll_seconds", 300))
+        if bot_type in ("rss", "crypto"):
+            cname = f"{name} Feed" if bot_type == "rss" else f"{name} Prices"
+            b.channel_gid = await _ensure_channel(profile_id, b, chat, user_id, cname, config)
             if bot_type == "rss":
-            b.rss_gid = await _rss_ensure_channel(profile_id, b, chat, user_id, name, config)
+                if b.channel_gid and not config.get("rss_populated"):
-            if b.rss_gid and not config.get("rss_populated"):
                     # first run for this feed: fill the channel with the latest items so new
                     # subscribers see content (recent history). Done once, then flagged.
-                await _rss_poll(b, chat, b.rss_gid, config, seed=False, max_post=5)
+                    await _rss_poll(b, chat, b.channel_gid, config, seed=False, max_post=5)
                     config["rss_populated"] = True
                     import db as _db
                     _db.update_config(profile_id, config)
                 else:
                     # already populated on a previous run — just record current ids, don't replay
-                await _rss_poll(b, chat, b.rss_gid, config, seed=True)
+                    await _rss_poll(b, chat, b.channel_gid, config, seed=True)
-            b.rss_next_poll = time.time() + rss_poll_s
+            else:  # crypto: post an immediate price snapshot so the channel isn't empty
+                await _crypto_poll(b, chat, b.channel_gid, config)
+            b.poll_next = time.time() + poll_s
             await refresh()
 
         # Event loop
@@ -641,9 +717,14 @@ async def _run_bot(
             evt = await chat.recv_chat_event(500_000)
 
             # RSS bot: poll the feed on its interval and broadcast new items to the channel
-            if bot_type == "rss" and time.time() >= b.rss_next_poll:
+            if bot_type == "rss" and time.time() >= b.poll_next:
-                await _rss_poll(b, chat, b.rss_gid, config, seed=False)
+                await _rss_poll(b, chat, b.channel_gid, config, seed=False)
-                b.rss_next_poll = time.time() + rss_poll_s
+                b.poll_next = time.time() + poll_s
+
+            # Crypto bot: post a fresh price snapshot to the channel on its interval
+            if bot_type == "crypto" and time.time() >= b.poll_next:
+                await _crypto_poll(b, chat, b.channel_gid, config)
+                b.poll_next = time.time() + poll_s
 
             # Directory bot: ~every 30s, refresh groups and register/auto-join new ones
             if bot_type == "directory":

manager/rss_test.py

@@ -96,7 +96,7 @@ async def main() -> int:
         b = pm.get_running(BOT_PID)
 
         # 1) channel created
-        gid = await wait_until(lambda: asyncio.sleep(0, b.rss_gid), timeout=90)
+        gid = await wait_until(lambda: asyncio.sleep(0, b.channel_gid), timeout=90)
         print("channel created:", bool(gid), "gid", gid)
         assert gid, "rss bot did not create a channel"
 

manager/templates/list.html

@@ -19,6 +19,11 @@
 
   .bot-types-card table td { vertical-align: top; }
   .bot-types-card .tag { white-space: nowrap; }
+
+  .chk-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(120px, 1fr)); gap: 6px 12px; }
+  .chk { display: flex; align-items: center; gap: 7px; font-size: 13px; font-weight: 500;
+         color: var(--text); cursor: pointer; }
+  .chk input { width: auto; }
 </style>
 {% endblock %}
 
@@ -50,6 +55,7 @@
     <tr><td><span class="tag">echo</span></td><td class="muted">Repeats every message back to the sender — handy for testing a connection end to end.</td></tr>
     <tr><td><span class="tag">llm</span></td><td class="muted">Chat with a local or remote LLM (OpenAI-compatible, e.g. Ollama). Give it context, it replies to your messages.</td></tr>
     <tr><td><span class="tag">rss</span></td><td class="muted">Watches an RSS/Atom feed and broadcasts new posts to a channel it creates. Subscribers join the channel to receive them.</td></tr>
+    <tr><td><span class="tag">crypto</span></td><td class="muted">Streams selected crypto prices (CoinGecko) to a channel on an interval. Pick coins &amp; currencies below.</td></tr>
     <tr><td><span class="tag">broadcast</span></td><td class="muted">Relays messages from authorized publishers out to all of the bot's contacts.</td></tr>
     <tr><td><span class="tag">support</span></td><td class="muted">Business inbox — auto-replies with a welcome message and collects incoming inquiries.</td></tr>
     <tr><td><span class="tag">directory</span></td><td class="muted">Directory service for discovering and listing groups or contacts.</td></tr>
@@ -242,6 +248,45 @@
         <input type="number" name="poll_seconds" min="30" value="300">
       </div>
     </div>
+    <div id="crypto-fields" style="display:none;">
+      <div style="border-top:1px solid var(--border);margin:4px 0 14px;padding-top:14px;">
+        <p class="muted" style="margin-bottom:12px;">
+          Posts a price snapshot of the selected coins to a channel every interval (via CoinGecko).
+        </p>
+      </div>
+      <div class="field">
+        <label>Coins</label>
+        <div class="chk-grid">
+          <label class="chk"><input type="checkbox" name="coin" value="bitcoin" checked> Bitcoin</label>
+          <label class="chk"><input type="checkbox" name="coin" value="ethereum" checked> Ethereum</label>
+          <label class="chk"><input type="checkbox" name="coin" value="solana"> Solana</label>
+          <label class="chk"><input type="checkbox" name="coin" value="ripple"> XRP</label>
+          <label class="chk"><input type="checkbox" name="coin" value="cardano"> Cardano</label>
+          <label class="chk"><input type="checkbox" name="coin" value="dogecoin"> Dogecoin</label>
+          <label class="chk"><input type="checkbox" name="coin" value="binancecoin"> BNB</label>
+          <label class="chk"><input type="checkbox" name="coin" value="polkadot"> Polkadot</label>
+          <label class="chk"><input type="checkbox" name="coin" value="litecoin"> Litecoin</label>
+          <label class="chk"><input type="checkbox" name="coin" value="tron"> TRON</label>
+          <label class="chk"><input type="checkbox" name="coin" value="chainlink"> Chainlink</label>
+          <label class="chk"><input type="checkbox" name="coin" value="tether"> Tether</label>
+        </div>
+      </div>
+      <div class="field">
+        <label>Currencies</label>
+        <div class="chk-grid">
+          <label class="chk"><input type="checkbox" name="cur" value="usd" checked> USD</label>
+          <label class="chk"><input type="checkbox" name="cur" value="gbp" checked> GBP</label>
+          <label class="chk"><input type="checkbox" name="cur" value="eur"> EUR</label>
+          <label class="chk"><input type="checkbox" name="cur" value="jpy"> JPY</label>
+          <label class="chk"><input type="checkbox" name="cur" value="aud"> AUD</label>
+          <label class="chk"><input type="checkbox" name="cur" value="cad"> CAD</label>
+        </div>
+      </div>
+      <div class="field">
+        <label>Poll interval <span class="muted" style="font-weight:400;">(seconds)</span></label>
+        <input type="number" name="crypto_poll_seconds" min="60" value="300">
+      </div>
+    </div>
     {% endif %}
     <div class="flex gap-8 mt-16" style="justify-content:flex-end;">
       <button type="button" class="btn btn-ghost"
@@ -330,6 +375,7 @@ function onTypeChange() {
   document.getElementById('directory-fields').style.display = (val === 'directory') ? 'block' : 'none';
   document.getElementById('broadcast-fields').style.display = (val === 'broadcast') ? 'block' : 'none';
   document.getElementById('rss-fields').style.display = (val === 'rss') ? 'block' : 'none';
+  document.getElementById('crypto-fields').style.display = (val === 'crypto') ? 'block' : 'none';
 }
 {% endif %}
 
@@ -381,6 +427,16 @@ document.getElementById('create-form').addEventListener('submit', async (e) => {
     const ps = parseInt(fd.get('poll_seconds'), 10);
     if (!isNaN(ps) && ps >= 30) config.poll_seconds = ps;
   }
+  if (botType === 'crypto') {
+    const coins = Array.from(document.querySelectorAll('#crypto-fields input[name=coin]:checked')).map(c => c.value);
+    const curs  = Array.from(document.querySelectorAll('#crypto-fields input[name=cur]:checked')).map(c => c.value);
+    if (!coins.length) { alert('Pick at least one coin'); return; }
+    if (!curs.length)  { alert('Pick at least one currency'); return; }
+    config.coins = coins;
+    config.currencies = curs;
+    const ps = parseInt(fd.get('crypto_poll_seconds'), 10);
+    if (!isNaN(ps) && ps >= 60) config.poll_seconds = ps;
+  }
   {% endif %}
   // Shared profile fields (users and bots)
   const bio = (fd.get('bio') || '').trim();