info: Error: Transaction was not mined within 50 blocks, please make sure your transaction was properly send. Be aware that it might still be mined!
at /opt/bkzcoin_project/bkzcoin-backend/node_modules/web3-core-method/src/index.js:375:45
at tryCatcher (/opt/bkzcoin_project/bkzcoin-backend/
我已经使用arraylist容器对象(块类)在java中实现了一个简单的区块链。
public static ArrayList<Block> blockchain = new ArrayList<Block>();
..。和block类,包含我需要存储到区块链中的事务。
public Block(transaction data,String previousHash ) {
this.data = data;
this.previousHash = previousHash;
this.timeStamp = new Dat