Bot based on Binance API (decrecated due to delisting)

.env.example

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+BOT_TOKEN=
+TELEGRAM_CHANNEL_NAME=@torn_prices

.gitignore

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+.idea
+.env

README.md

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+## Startup on your own server
+
+1. Create telegram bot using [@BotFather](https://t.me/BotFather) and get token;
+2. Create telegram public channel, add a bot to it and give him admin rights (At least, `Post messages` permission);
+3. Copy `.env.example` file content to `.env`;
+4. Fill in `.env` file `BOT_TOKEN` value with a string containing your telegram bot token;
+5. Replace in `.env` file `TELEGRAM_CHANNEL_NAME` value with a string containing inner telegram link to your public channel (for example, `@torn_prices`);
+6. Start script in the background: `python3 main.py &`

main.py

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+from urllib.error import HTTPError
+from urllib.request import urlopen as get
+from threading import Timer
+import json
+import os
+from dotenv import load_dotenv
+
+load_dotenv()
+
+BINANCE_API_GET_ETH_PRICE_LINK = "https://api.binance.com/api/v3/ticker/price?symbol=TORNBUSD"
+BOT_TOKEN = os.getenv("BOT_TOKEN")
+TELEGRAM_CHANNEL_NAME = os.getenv("TELEGRAM_CHANNEL_NAME")
+TELEGRAM_API_SEND_MESSAGE_LINK = f"https://api.telegram.org/bot{BOT_TOKEN}/sendMessage?chat_id={TELEGRAM_CHANNEL_NAME}&text="
+CHECK_PRICE_INTERVAL_IN_SECONDS = 10
+
+
+def send_price_to_channel(price: float):
+    fixed_price = "{:10.2f}".format(price).strip()
+    full_request_link = f'{TELEGRAM_API_SEND_MESSAGE_LINK}{fixed_price}$'
+    try:
+        get(full_request_link)
+    except HTTPError:
+        pass
+
+
+def get_eth_price_from_binance() -> float:
+    try:
+        data = json.load(get(BINANCE_API_GET_ETH_PRICE_LINK))
+        return float(data["price"])
+    except HTTPError:
+        return -1
+
+
+def main():
+    Timer(CHECK_PRICE_INTERVAL_IN_SECONDS, main).start()
+    current_eth_price = get_eth_price_from_binance()
+    if current_eth_price == -1:
+        return
+    send_price_to_channel(current_eth_price)
+
+
+main()