shion1118

public class Block {

    private int index;
    private long timeStamp;
    private ArrayList<Transaction> transactions;
    private int proof;
    private String previousHash;

    public Block(int index, long timeStamp, ArrayList<Transaction> transactions, int proof, String previousHash) {
        this.index = index;

shion1118

{
    "index": 2,
    "timeStamp": 1516526517931,
    "transactions":[
        {
            "sender": "0",
            "recipient": "1",
            "amount": 1
        }
    ],