jhjguxin/blockchain

A Simple Blockchain in go

blockchain

Background

got the idea from

Learn Blockchains by Building One

Building

$ cd cmd
$ go build -o goblockchain

Usage

start instances(nodes) as follows

You can start as many nodes as you want with the following command

./goblockchain -port 8001
./goblockchain -port 8002
./goblockchain -port 8003

Json Endpoints

get full blockchain

• curl 127.0.0.1:8001/chain

mine a new block

• curl 127.0.0.1:8001/mine

Adding a new transaction

• POST 127.0.0.1:8001/transactions/new

• Body:

  {
    "sender": "1A1zP1eP5QGefi2DMPTfTL5SLmv7DivfNa",
    "recipient": "1Ez69SnzzmePmZX3WpEzMKTrcBF2gpNQ55",
    "amount": 1000
  }

Register a node in the blockchain network

• POST 127.0.0.1:8001/nodes/register

• Body:

  {
    "nodes": [
        "http://127.0.0.1:8002",
        "http://127.0.0.1:8003"
    ]
}

Resolving Blockchain

• curl 127.0.0.1:8001/nodes/resolve