Bitcoin and Ethereum blockchain explorer Telegram bot (Node.js, PostgreSQL)

Live demo: @coin_view_bot

Features:

• Blockchain explorer search by BTC/ETH address, BTC/ETH transaction hash, BTC block hash or ETH block height.
• Address Watch List to get notification for every new transaction of entered addresses.
• Price Watch List to get notification when price leaves entered range.
• Shows actual BTC/ETH price and option to subscribe and get it every 1, 8 or 24 hours.

Deployment

Enviroment variables

BOT_TOKEN

You can create it with Bot Father

BOT_WEBHOOK_URL

Url of your server (https only). e.g. https://mydomain.com

DB_URL

PostgreSQL DB url: postgres://[user[:password]@][netloc][:port][/dbname]

ETHERSCAN_TOKEN

Register on etherscan.io and create Api key

INFURA_TOKEN

Register on infura.io, create project, and enter here PROJECT ID

ADMIN_CHATID

Administrator chat id to get a message every 24h with simple stats of Bot (daily active users and recieved messages). You will see it in the first column in your database, if you set any Watch List item or subcribe to price

PORT

Optional (3000 by default). You shouldn't set PORT, if you want to deploy it to Heroku

Run

npm install

npm run build

npm start

License

This project is licensed under the MIT License - see the LICENSE file for details

Contact author

Telegram