Как я писал полудецентрализованную криптовалюту на PHP. (Часть 2 — Разработка)

<?php

/**
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 * 
 * @package     Bit Points Network
 * @copyright   2020 Podvirnyy Nikita (Observer KRypt0n_)
 * @license     GNU GPLv3 <https://www.gnu.org/licenses/gpl-3.0.html>
 * @author      Podvirnyy Nikita (Observer KRypt0n_)
 * 
 * Contacts:
 *
 * Email: <suimin.tu.mu.ga.mi@gmail.com>
 * VK:    <https://vk.com/technomindlp>
 *        <https://vk.com/hphp_convertation>
 * 
 */

namespace BPN;

const TRACKER_KEY = 'EFJI#*$&(*#WEF(@Q#)(DFJSAO(@#*$)REFSKE)UJ*#@(&$';

require 'ext/DH-Generator/Generator.php';
require 'php/User.php';
require 'php/Tracker.php';

$tracker = new Tracker;
$tracker->update ();

if (isset ($_GET['r']))
    $tracker->processRequest ($_GET['r']);

<?php

declare (strict_types=1);

require_once __DIR__ . '/vendor/autoload.php'; # Подключение компоузерских пакетов

require_once 'PHP/Structure.php';              # Структура
require_once 'PHP/UserAPI.php';                # Аккаунт

require_once 'NotComposer/vendor/autoload.php';# Подключение не-компоузерных пакетов

require_once 'PHP/App.php';                    # Консолька

<?php

class Account
{
	public $address;
	public $publicKey;
	protected $privateKey;

	public function getPrivateKey ()
	{
		return $this->privateKey;
	}

	public function setPrivateKey ($key)
	{
		$this->privateKey = $key;
	}
}

class AccountChain
{
	public $accounts;
}

<?php

use FurqanSiddiquiBIP39BIP39;
use BIPBIP44;

class User
{
	public $account;

	public function registerNewAccount ($password)
	{
		$mnemonic = BIP39::Generate (18);
		$seed = $mnemonic->generateSeed ($password, 256);

		$HDKey = BIP44::fromMasterSeed ($seed)->derive ("m/44'/0'/0'/0/1");

		$newAccount = new Account;
		$newAccount->address = '1x' . hash ('ripemd160', hash ('sha512', $HDKey->publicKey));
		$newAccount->publicKey = $HDKey->publicKey;
		$newAccount->setPrivateKey ($HDKey->privateKey);

		$accountChain = new AccountChain;
		$accountChain->accounts = [];
		$accountChain->accounts[] = $newAccount;
		
		return ['words' => $mnemonic->words, 'chain' => $accountChain];
	}

	public function registerNewAccountInChain (&$chain, $password, $prevAccountMnemonic)
	{
		$mnemonic = BIP39::Words ($prevAccountMnemonic);
		$seed = $mnemonic->generateSeed ($password, 256);

		$accountsCount = sizeof ($chain->accounts) + 1;

		$HDKey = BIP44::fromMasterSeed ($seed)->derive ("m/44'/0'/0'/0/{$accountsCount}");

		$newAccount = new Account;
		$newAccount->address = '1x' . hash ('ripemd160', hash ('sha512', $HDKey->publicKey));
		$newAccount->publicKey = $HDKey->publicKey;
		$newAccount->setPrivateKey ($HDKey->privateKey);

		$chain->accounts[] = $newAccount;

		return ['chain' => $chain];
	}

	public function restoreAccount ($mnemonic, $password, $accountNo)
	{
		$mnemonic = BIP39::Words ($mnemonic);
		$seed = $mnemonic->generateSeed ($password, 256);

		$HDKey = BIP44::fromMasterSeed ($seed)->derive ("m/44'/0'/0'/0/{$accountNo}");

		$newAccount = new Account;
		$newAccount->address = '1x' . hash ('ripemd160', hash ('sha512', $HDKey->publicKey));
		$newAccount->publicKey = $HDKey->publicKey;
		$newAccount->setPrivateKey ($HDKey->privateKey);

		$accountChain = new AccountChain;
		$accountChain->accounts = [];
		$accountChain->accounts[] = $newAccount;

		return $accountChain;
	}
}