Blockchain Explorer

A simple blockchain explorer built with vanilla JavaScript that allows users to interact with Ethereum-based networks (Ganache or testnet). The application implements Object-Oriented Programming principles and follows best practices for code organization and testing.

Features

• Real-time block information display
• Account balance checking in ETH
• Transaction creation and submission
• Detailed block information with modal view
• Transaction history tracking

Technical Implementation

Architecture

• Implements Object-Oriented Programming with inheritance
• Uses ES6 modules for code organization
• Follows Separation of Concerns (SOC) principle
• Base class architecture with BlockchainService

Services

• BlockService: Handles block retrieval and display
• BalanceService: Manages account balance checks
• TransactionService: Handles transaction creation and history

Testing

• Unit tests implemented with Vitest
• Mock implementations for blockchain interactions
• Test coverage for success and error scenarios

Prerequisites

• Node.js installed on your machine
• Ganache for local blockchain testing
• A modern web browser

Installation

1. Clone the repository:

git clone https://github.com/manu-cadena/blockchain-explorer.git