def mine_block(self):
if self.public_key == None:
return None
hashed_last_block = hash_block(self.get_last_blockchain_value())
proof = self.proof_of_work()
block = Block(len(self.__chain), hashed_last_block,
self.__date_de_introdus, proof)
for rez in block.rezultate:
if not Carnet.verify_rezultat(rez):
return None
self.__chain.append(block)
self.__date_de_introdus = []
self.save_data()
for node in self.__peer_nodes:
url = 'http://{}/broadcast_block'.format(node)
block_convertit = block.__dict__.copy()
block_convertit['rezultate'] = [
rez.to_ordered_dict() for rez in block_convertit['rezultate']
]
try:
response = requests.post(url, json={'block': block_convertit})
if response.status_code == 400 or response.status_code == 500:
print('bloc aiurea')
if response.status_code == 409:
self.resolve_conflicts = True
except requests.exceptions.ConnectionError:
continue
return block
def add_nota(self,
emitator,
receptor,
info_didactic,
semnatura,
is_receiving=False):
rezultat = Rezultat(emitator, receptor, info_didactic, semnatura)
print(rezultat)
if not Carnet.verify_rezultat(rezultat):
return False
self.__date_de_introdus.append(rezultat)
self.save_data()
if not is_receiving:
for node in self.__peer_nodes:
url = 'http://{}/broadcast_note'.format(node)
try:
response = requests.post(
url,
json={
'emitator': emitator,
'receptor': receptor,
'info_didactic': info_didactic.to_ordered_dict(),
'semnatura': semnatura
})
if response.status_code == 400 or response.status_code == 500:
print('nota aiurea')
return False
except requests.exceptions.ConnectionError:
continue
return True
