Wallet.java

package fr.miage;

import java.nio.charset.StandardCharsets;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import java.util.ArrayList;
import java.util.List;

public class Wallet {
    private String publicKey;
    private String privateKey; // pour la signature
    private double solde;
    private List<UTxO> utxos;

    public Wallet(String publicKey, String privateKey) {
        this.publicKey = publicKey;
        this.privateKey = privateKey;
        this.utxos = new ArrayList<>();
    }

    public void initWallet(byte[] data) throws NoSuchAlgorithmException {

    }

    private String hashSha256(String privateKey) throws NoSuchAlgorithmException {
        MessageDigest md = MessageDigest.getInstance("SHA-256");
        byte[] hash = md.digest(privateKey.getBytes(StandardCharsets.UTF_8));
        return new String(hash, StandardCharsets.UTF_8);
    }

    public String getPublicKey() {
        return this.publicKey;
    }

    public String getPrivateKey() {
        return this.privateKey;
    }

    public List<UTxO> getUtxos() {
        return this.utxos;
    }

    public void addUTxO(UTxO utxo) {
        this.utxos.add(utxo);
    }
    
    @Override
    public String toString() {
        return "{" +
            " publicKey='" + getPublicKey() + "'" +
            ", privateKey='" + getPrivateKey() + "'" +
            ", utxos='" + getUtxos() + "'" +
            "}";
    }
}