Jerry

[Moises88g]

class Blockchain:
def init(self):
self.current_transactions = []
self.chain = []

    # Crear bloque genesis
    self.new_block(previous_hash=1, proof=100)

def new_block(self, proof, previous_hash=None):
    block = {
        'index': len(self.chain) + 1,
        'timestamp': time(),
        'transactions': self.current_transactions,
        'proof': proof,
        'previous_hash': previous_hash or self.hash(self.chain[-1])
    }

    # Resetear la lista de transacciones actuales
    self.current_transactions = []

    self.chain.append(block)
    return block

def new_transaction(self, sender, recipient, amount):
    self.current_transactions.append({
        'sender': sender,
        'recipient': recipient,
        'amount': amount,
    })
    return self.last_block['index'] + 1

@staticmethod
def hash(block):
    return hashlib.sha256(json.dumps(block, sort_keys=True).encode()).hexdigest()

@property
def last_block(self):
    return self.chain[-1]