Block Chain Foundation: Wallet Design __ Block chain

1, wallet design

Package Com.blockchain.model;
Import Java.util.Map;
Import Com.blockchain.security.CryptoUtil;

Import Com.blockchain.security.RSACoder;
    /** * Wallet: Public key, private key, wallet address * * Public class Wallet {/** * key/private String PublicKey;
    /** * Private Key * */private String Privatekey;

    /** * Wallet Address */private String address=null; 
     /** * Hidden parameterless constructor/private Wallet () {}/** * contains only the public key wallet, used for other nodes, other nodes need to use * @param when transferring PublicKey
        * * Public Wallet (String publickey) {this.publickey = PublicKey;
    This.address= cryptoutil.md5 (Hashpubkey (PublicKey)); /** * This constructor is only for static method Createwallet () using * @param publickey * @param privatekey * * Private Wallet (St
        Ring PublicKey, String privatekey) {this.publickey = PublicKey;
        This.privatekey = Privatekey;
    This.address= cryptoutil.md5 (Hashpubkey (PublicKey)); /** * Generate a new wallet, which is to generate a new key pair * @return/PubLic static Wallet Createwallet () {map<string, object> initkey;
            try {//local generate public private key to Initkey = Rsacoder.initkey ();
            String PublicKey = Rsacoder.getpublickey (Initkey);
            String Privatekey = Rsacoder.getprivatekey (Initkey);
        return new Wallet (PublicKey, Privatekey);
        catch (Exception e) {e.printstacktrace ();
    return null;
    public void setaddress (String address) {this.address = address;
        /** * Get wallet Address: Generate wallet address by public key * @return * * * getaddress ().
            if (null==address) {String Publickeyhash = Hashpubkey (PublicKey);
        Return Cryptoutil.md5 (Publickeyhash);
        }else{return address; }/** * Static method: Generates wallet Address * @param publickey * @return/public static String according to the specified wallet key getaddr ESS (String publickey) {string Publickeyhash= Hashpubkey (PublicKey);
    Return Cryptoutil.md5 (Publickeyhash);
    Public String Getpublickey () {return publickey;
    } public void Setpublickey (String publickey) {this.publickey = PublicKey;
    Public String Getprivatekey () {return privatekey;
    } public void Setprivatekey (String privatekey) {this.privatekey = Privatekey; /** * Get wallet public key Hash * * @return * * * Gethashpubkey () {return cryptoutil.
    SHA256 (PublicKey); /** * Generate wallet Public key hash * * @param publickey * @return * * (* * * () (* * * * hashpubkey) (St
    Ring PublicKey) {return cryptoutil.sha256 (PublicKey);
 }

}

2. Test Code

Package Com.blockchian.model;

Import Org.junit.Before;
Import Org.junit.Test;
Import Com.blockchain.model.Wallet;

public class Wallettest {
    @Before public
    void SetUp () throws Exception {
    }

    @Test public
    Void Testwallet () throws Exception {
        Wallet wallet=wallet.createwallet ();
        SYSTEM.OUT.PRINTLN ("Wallet address: \ n" +wallet.getaddress ());
        SYSTEM.OUT.PRINTLN ("wallet public key: \ n" +wallet.getpublickey ());
        SYSTEM.OUT.PRINTLN ("Wallet private key: \ n" +wallet.getprivatekey ());
    }

Test results

Wallet Address: A2E2B8849C1D874D14884E914A8A0C20 Wallet Public key:
Migfma0gcsqgsib3dqebaquaa4gnadcbiqkbgqca0ojspupzte4rzvzcyjynljyr5xhvkwxdawey Byszqaejdlvddgcas0lcfvacbvswfhikm8xbml0umvtcaof6ghtoaqrnziouazjp3quu25id13er wOgoxT7DTNF99GZaFo2dgOS+ Iyfwqlyz6yw9qkbaum1a3pygi6zqxfjedwidaqab Wallet private key: miicdwibadanbgkqhkig9w0baqefaascamewggjdageaaogbaidsinklsno0thho/
NXGLICUNHHL cdwtdf0bz5htixmpoqkmtummzxplqsj9uaju+zb8eksbxcewvs6zvmich/qadogcqs3oi64dom/d C67BMIPXD6VA6CJFPSNM0X30ZLOWJZ2A5L4HGXCQXJNRJB1APSBSBVRC/IYJPMREWN53AGMBAAEC gYBB1dbQ+ gjduxdyijuxt1dlgytk6alokjf38qdt+j/pjk7e5ja4pl0gxhg/pbwnglrm47/wob/p hk4ay4g6gnqligx8l4gglxtogtoiuhc8tm+jaff2/ PUXZL7AGGBJGGS2Z7WIUJCKOTXXJ86YOUC9 ur7p8dh4b7hu/ramqms96qjbanta9sv/ps/ Seubfdy6uysbwuxvh3ff7dooiumeuycmy9lm4xfas mxbr+okoa/ Fepwvmvh55wwfp1stigzbrnlscqqca7x34vgjf5e3te14nhl1mwru1okrb8rr7f3my fkipzqli+2xhwllbje2ydn+3yyfl1scrgdum4xk/ QJBGG391AKEA0YKPJFY+QBJ7BLBXJHUAP1SQ rmmnvd+ukqltasc/kvwwb3p06qfnkiiwxili8dqdzgbf4yticrmgj58xhpaqxwjann/ Yhhrqjwkz NV9DTKNSBYHFYQCPLUOBIIIE0FYUGKH6YNJDRUEQQRKJMYSZXCEZBC7YFTYSFWXDWT3P6AA4MQJB ak+av4qfuhkgu/cojpmkgpsn8opex9uknxxnhv0pusq+ SEC971P0CAV4ZLW3NF07OPAJANGY7FGE ivbgq2iblbq=