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Go Proof of Work Blockchain

This project implements a simple proof-of-work blockchain in Go. It allows users to create and retrieve blocks in a blockchain through a web server.

Features

  • Blockchain Structure: Each block contains an index, timestamp, data, hash, previous hash, difficulty, and nonce.
  • Proof of Work: The blockchain uses a proof-of-work mechanism to validate new blocks.
  • HTTP API: The application exposes an HTTP API to interact with the blockchain.

Getting Started

Prerequisites

  • Go 1.22 or later
  • Go modules enabled

Installation

  1. Clone the repository:

    git clone https://github.com/pri-3x/Go-POW
cd go-pow

  2. Install dependencies:

    go mod tidy

  3. Create a .env file in the root directory and specify the port:

    PORT=8080

Running the Application

To start the server, run the following command:

go run .

The server will start on the specified port (default is 8080).

Add a new block

To add a new block to the blockchain, send a POST request to the / endpoint with the desired data in JSON format:

curl -X POST http://localhost:8080 -H "Content-Type: application/json" -d '{"data": 75}'