Blockchain

Blockchain implemented in Go which replicates the Bitcoin Blockchain. It is an open, distributed ledger that can record transactions efficiently by undergoing proof of work and consensus algorithm.

Instructions to run

1. Clone this repo

   git clone https://github.com/Sadham-Hussian/Blockchain.git
   

2. Set environment variable

   • In windows

     $ set NODE_ID:3000
     

   • In Linux

     $ export NODE_ID:3000
     

3. Create a wallet

   $ go run main.go createwallet
   

4. Create Blockchain and Genesis Block

   $ go run main.go CreateBlockchain -address ADDRESS
   

   Replace the address created by createwallet for ADDRESS in the above command

5. Start other nodes within a localnetwork

If you have trouble setting up, please feel free to open an issue at GitHub

Interactive Commands

1. $ go run main.go CreateBlockchain -address ADDRESS
2. $ go run main.go getBalance -address ADDRESS
3. $ go run main.go send -from FROM -to TO -amount AMOUNT -mine
4. $ go run main.go print
5. $ go run main.go createwallet
6. $ go run main.go listaddresses
7. $ go run main.go startnode 

To start a miner node enter the following command

$ go run main.go startnode -miner ADDRESS