Go Blockchain Monitoring Application

This is a Go application that monitors the block height difference between a node and a set of RPC endpoints. Alerts are sent to a Telegram bot when certain thresholds are exceeded.

Prerequisites

• Docker
• Docker Compose

Setup

1. Clone the repository:

   git clone https://github.com/your-repo/go-blockchain-monitoring.git
   cd go-blockchain-monitoring

2. Create a .env file in the project root directory and add the necessary environment variables:

   RPC_URLS=http://rpc1,http://rpc2
   NODE_URL=http://node
   LEVEL_1=5
   LEVEL_2=10
   LEVEL_3=15
   BOT_TOKEN=your_telegram_bot_token
   CHAT_ID=your_telegram_chat_id

   Replace your_telegram_bot_token and your_telegram_chat_id with your actual Telegram bot token and chat ID. Adjust the other environment variables as needed.

3. Create an empty previous_state.yml file in the project root directory:

   touch previous_state.yml

Docker Setup

1. Build the Docker image:

   docker build -t go-blockchain-monitoring .

2. Run the Docker container:

   docker run --env-file .env -v $(pwd)/previous_state.yml:/root/previous_state.yml go-blockchain-monitoring

Docker Compose Setup

1. Ensure you have the docker-compose.yml file in the project root directory.

2. Build and start the application using Docker Compose:

   docker-compose up --build

   This command will build the Docker image and start the container.

3. To stop the application:

   docker-compose down

Application Structure

• main.go: Main application file.
• Dockerfile: Dockerfile for building the application image.
• docker-compose.yml: Docker Compose configuration file.
• .env: Environment variables file (you need to create this).
• previous_state.yml: File to persist the previous state (you need to create this).

Contributing

If you find any issues or have suggestions for improvements, feel free to open an issue or submit a pull request.