区块链的原理与应用? -2
接着上一篇.上一篇还没有输出,其实加入了index在实体类中. package com.sha256.sha256.bean; import com.sha256.sha256.utils.SHA256Util; import lombok.AllArgsConstructor; import lombok.Data; import lombok.NoArgsConstructor; import java.util.Date; @Data @NoArgsConstructor @AllArgsConstructor public class Block { private long index; private String hash; // our signature private String previousHash; // the hash of previous block private String data; //our data will be a simple message. private long timeStamp; //as number of mil...
