in-general

# Определение основного класса для блокчейна
class Blockchain:
    def __init__(self):
        self.chain = []
        self.transactions = []
        self.create_block(proof=1, previous_hash='0')

    def create_block(self, proof, previous_hash):
        block = {
            'index': len(self.chain) + 1,
            'timestamp': time(),
            'proof': proof,
            'previous_hash': previous_hash,
            'transactions': self.transactions
        }
        self.transactions = []
        self.chain.append(block)
        return block

    def get_previous_block(self):
        return self.chain[-1]

    # Доказательство работы (Proof of Work)
    def proof_of_work(self, previous_proof):
        new_proof = 1
        check_proof = False
        while not check_proof:
            hash_operation = hashlib.sha256(str(new_proof ** 2 - previous_proof ** 2).encode()).hexdigest()
            if hash_operation[:4] == '0000':
                check_proof = True
            else:
                new_proof += 1
        return new_proof

    # Добавление транзакции в пул транзакций
    def add_transaction(self, sender, receiver, amount):
        self.transactions.append({
            'sender': sender,
            'receiver': receiver,
            'amount': amount
        })
        previous_block = self.get_previous_block()
        return previous_block['index'] + 1

# Определение класса для цифрового гражданства
class DigitalCitizenship:
    def __init__(self, citizen_id):
        self.citizen_id = citizen_id
        self.status = 'User'
        self.additional_status = []

    def upgrade_status(self, new_status):
        self.status = new_status

    def add_additional_status(self, status):
        self.additional_status.append(status)

# Определение класса для управления
class Governance:
    def __init__(self):
        self.governors = []

    def add_governor(self, governor):
        self.governors.append(governor)

# Создание экземпляров классов
blockchain = Blockchain()
governance = Governance()
citizen1 = DigitalCitizenship('12345')

# Пример использования
blockchain.add_transaction('user1', 'user2', 10)
blockchain.add_transaction('user2', 'user3', 5)
proof = blockchain.proof_of_work(blockchain.get_previous_block()['proof'])
previous_hash = hashlib.sha256(json.dumps(blockchain.get_previous_block(), sort_keys=True).encode()).hexdigest()
blockchain.create_block(proof, previous_hash)

citizen1.upgrade_status('Citizen')
governance.add_governor(citizen1)

print(blockchain.chain)
print(governance.governors)