class BlockchainService:
def __init__(self):
# Make data dir
if not os.path.isdir(".blockchain"):
os.makedirs(".blockchain")
self.logger = self.init_logger()
self.logger.log(20, "Start Blockchain Service")
self.tx = Transaction(self.logger)
self.bc = Blockchain(self.logger, self.tx)
self.msg = Messaging(self.logger, self.bc, self.tx)
def init_logger(self):
# logging
logger = logging.getLogger("blcokchainlog")
logger.setLevel(10)
fh = logging.FileHandler('.blockchain/logger.log')
logger.addHandler(fh)
formatter = logging.Formatter(
'%(asctime)s | %(levelname)s | %(message)s')
fh.setFormatter(formatter)
return logger
def make_block(self, score):
# take score is for debug
block = self.bc.generate_block(score)
res, code = self.bc.add_new_block(block)
if not res:
print("Block is not generated")
else:
print("Block is generated")
# send generated block
blkmsg = {"type": "block", "body": block}
for peer in self.msg.peers:
self.msg.send(blkmsg, peer)
def make_tx(self):
transaction = self.tx.generate_tx()
if not self.tx.add_tx_pool(transaction):
print("Transaction is not generated")
else:
print("Transaction is generated")
# send generated block
txmsg = {"type": "tx", "body": transaction}
for peer in self.msg.peers:
self.msg.send(txmsg, peer)
from blockchain import Blockchain
if __name__ == '__main__':
blockchain = Blockchain()
blockchain.add_new_block('Primeiro bloco')
blockchain.add_new_block('Blockchain e top')
blockchain.add_new_block('Mais uma vez')
print(blockchain.get_all())
from blockchain import Blockchain
if __name__ == '__main__':
blockchain = Blockchain()
blockchain.add_new_block('Primeiro Bloco!')
blockchain.add_new_block('Segundo Bloco!')
blockchain.add_new_block('terceiro Bloco!')
print(blockchain.get_all())
from blockchain import Blockchain
blockchain = Blockchain()
blockchain.add_new_block("First block")
blockchain.add_new_block("Second block")
blockchain.add_new_block("Third block")
blockchain.add_new_block("Fourth block")
blockchain.add_new_block("Fifth block")
blockchain.add_new_block("Sixth block")
blockchain.add_new_block("Seventh block")
blockchain.add_new_block("Eight block")
blockchain.add_new_block("Ninth block")
blockchain.add_new_block("Tenth block")
for block in blockchain.get_blocks():
print()
print('\t' + block.to_string())
print()
from blockchain import Blockchain
if __name__ == '__main__':
blockchain = Blockchain()
blockchain.add_new_block('Primeiro bloco!')
blockchain.add_new_block('Blockchain é top!')
blockchain.add_new_block('Mais uma vez!')
print(blockchain.get_all())
from blockchain import Blockchain
if __name__ == '__main__':
blockchain = Blockchain()
blockchain.add_new_block('SpaceApps 2020 - Primeiro block')
blockchain.add_new_block('Blockchain é muito massa')
blockchain.add_new_block('Temos mais chances que juízo!')
print(blockchain.get_all())
from blockchain import Blockchain
if __name__ == '__main__':
blockchain = Blockchain()
new = input('Qual a menssagem do primeiro bloco: ')
blockchain.add_new_block(new)
new2 = input('Qual a menssagem do segundo bloco: ')
blockchain.add_new_block(new2)
new3 = input('Qual a menssagem do terceiro bloco: ')
blockchain.add_new_block(new3)
ask = input('Gostaria de ver todos os blocos? ')
if ask == 'sim' or 'Sim':
print(blockchain.get_all())
print('\nFim.')
else:
print('FIm.')
from blockchain import Blockchain
if __name__ == '__main__':
blockchain = Blockchain()
blockchain.add_new_block('Primeiro bloco!')
print(blockchain.get_all())
