⛽ Gas Tracker

A Rust CLI tool that fetches real-time Ethereum gas prices from the Etherscan API.

Features

• Fetches Fast, Standard, and Safe gas prices in Gwei
• Displays the latest block number
• Uses Etherscan's Gas Oracle API

Prerequisites

• Rust (stable)
• An Etherscan API Key (free tier works)

Setup

cp .env.example .env
# Edit .env and add your Etherscan API key

Usage

cargo run

Sample Output

Fetching current gas prices from Etherscan...
🚀 Fast Gas Price: 25 gwei
🚶 Propose Gas Price: 20 gwei
🐢 Safe Gas Price: 15 gwei
📦 Last Block: 19432156

Tech Stack

• reqwest — HTTP client
• serde — JSON deserialization
• dotenv — Environment variable management