def start_block_building(self):
if (int(level_param.get_block_num(PARAM_P) + len(self.bm.chain)) <
(SAVE_BORDER - 5)) and SKIP_INTERVAL:
CHECK_INTERVAL = 0
else:
if RAND_INTERVAL:
CHECK_INTERVAL = randint(39, 60)
else:
CHECK_INTERVAL = INTERVAL
self.bb_timer = threading.Timer(CHECK_INTERVAL,
self.__generate_block_with_tp)
self.bb_timer.start()
def add_db(ldb_p, param_p, zip_p, vals: list):
p = Path(ldb_p)
db_list = list(p.glob("block*.ldb"))
file_count = len(db_list)
file_num = str(file_count + 1).zfill(6)
make_ldb_path = ldb_p + "block{}.ldb".format(str(file_num))
for val in vals:
lated_bl_num = level_param.get_block_num(param_p=param_p)
level_param.update_key(param_p=param_p, block_num=lated_bl_num + 1)
str_val = json.dumps(val)
db = plyvel.DB(make_ldb_path, create_if_missing=True)
db.put(str(lated_bl_num + 1).zfill(6).encode(), str_val.encode())
db.close()
shutil.make_archive(zip_p + "block{}".format(str(file_num)), "zip", root_dir=make_ldb_path)
def __init__(self,
my_port=50082,
core_node_host=None,
core_node_port=None):
self.server_state = STATE_INIT
print('Initializing server...')
self.my_ip = self.__get_myip()
print('Server IP address is set to ... ', self.my_ip)
self.my_port = my_port
self.cm = ConnectionManager(self.my_ip, self.my_port,
self.__handle_message, self)
self.mpmh = MyProtocolMessageHandler()
self.core_node_host = core_node_host
self.core_node_port = core_node_port
self.bb = BlockBuilder()
self.flag_stop_block_build = True
self.is_bb_running = False
if main_level.get_genesis(LDB_P):
self.bm = BlockchainManager()
latest_dbd_block = main_level.get_latest_block(LDB_P)
self.prev_block_hash = self.bm.get_hash(latest_dbd_block)
block_num = level_param.get_block_num(PARAM_P) + len(self.bm.chain)
new_block = self.bb.generate_new_block({}, self.prev_block_hash,
str(block_num), ADDRESS, {},
self)
self.bm.set_reconnect_block(new_block.to_dict())
self.prev_block_hash = self.bm.get_hash(new_block.to_dict())
else:
my_genesis_block = self.bb.generate_genesis_block()
self.bm = BlockchainManager(my_genesis_block.to_dict())
self.prev_block_hash = self.bm.get_hash(my_genesis_block.to_dict())
self.tp = TransactionPool()
if core_node_host and core_node_port:
self.plz_share_db()
else:
self.flag_stop_block_build = False
def __generate_block_with_tp(self):
if DEBUG:
print('Thread for generate_block_with_tp started!')
try:
if RAND_INTERVAL:
CHECK_INTERVAL = randint(39, 60)
else:
CHECK_INTERVAL = INTERVAL
print(
"■■■■■■■■■■■■■■■■■■■ Current BC ■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■"
)
print(self.bm.chain)
# self.save_block_2_db()
saved_bcs = self.bm.save_block_2_db()
print("txs_hash len:", self.tp.get_txs_hash_len())
print("txs_hash:", self.tp.get_txs_hash())
# txs_hash = self.tp.get_txs_hash().values()
# for t in txs_hash:
# print(f"addrs:{t} / len:{len(t)}")
if saved_bcs:
prev_ts = 0.0
ts_list = []
for saved_bc in saved_bcs:
# genesis_blockはトランザクションがハッシュ値なのでloadsできない
try:
self.tp.clear_my_hash_txs(
json.loads(saved_bc["transactions"]))
except json.decoder.JSONDecodeError:
pass
if prev_ts == 0.0:
prev_ts = saved_bc["timestamp"]
else:
ts_list.append(saved_bc["timestamp"] - prev_ts)
prev_ts = saved_bc["timestamp"]
print("■■■■■■■■■■■■■■■■■■■")
print("平均ブロック生成時間")
print(sum(ts_list) / len(saved_bcs))
print("■■■■■■■■■■■■■■■■■■■")
print("txs_hash len:", self.tp.get_txs_hash_len())
# print("txs_hash:", self.tp.get_txs_hash())
# while self.flag_stop_block_build is not True:
if self.flag_stop_block_build is not True:
# new_tp = self.tp.get_stored_transactions2()
# new_tp = deepcopy(self.tp.transactions)
new_tp = self.tp.get_stored_transactions3()
if DEBUG:
print("■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■")
print("transactions", new_tp)
print("■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■")
# if not result:
# print('Transaction Pool is empty ...')
# new_block = self.bb.generate_new_block("", self.prev_block_hash)
# self.bm.set_new_block(new_block.to_dict())
# self.prev_block_hash = self.bm.get_hash(new_block.to_dict())
# # message_new_block = self.cm.get_message_text(MSG_NEW_BLOCK,
# # json.dumps(new_block.to_dict(), sort_keys=True,
# # ensure_ascii=False))
# message_new_block = self.cm.get_message_text(MSG_NEW_BLOCK, json.dumps(new_block.to_dict()))
# self.cm.send_msg_to_all_peer(message_new_block)
# index = len(result)
# self.tp.clear_my_transactions(index)
# new_tp = self.bm.remove_useless_transaction(result)
# self.tp.renew_my_transactions(new_tp)
# if len(new_tp) == 0: # TODO TPが0のとき、終わるように。コメントアウトで切り替え
# break
# TODO ここでiteration errorでる。値変わってるせい。
txs_hash = self.tp.get_txs_hash()
block_num = level_param.get_block_num(PARAM_P) + len(
self.bm.chain)
new_block = self.bb.generate_new_block(new_tp,
self.prev_block_hash,
str(block_num), ADDRESS,
txs_hash, self)
new_block_dic = new_block.to_dict()
if not new_block_dic:
print("■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■")
print("■■■■■■■■■■■■■■ 負け！w ■■■■■■■■■■■■■■■")
print("■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■")
self.flag_stop_block_build = False
self.is_bb_running = False
self.bb_timer = threading.Timer(
CHECK_INTERVAL, self.__generate_block_with_tp)
self.bb_timer.start()
return
elif int(new_block_dic["block_number"]) < int(
self.bm.chain[-1]["block_number"]):
print("■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■")
print("■■■■■■■■■■■■■■ YOU LOSE ■■■■■■■■■■■■■■■")
print("■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■")
self.flag_stop_block_build = False
self.is_bb_running = False
self.bb_timer = threading.Timer(
CHECK_INTERVAL, self.__generate_block_with_tp)
self.bb_timer.start()
return
# elif (int(new_block_dic["block_number"]) == int(self.bm.chain[-1]["block_number"])) and (
# new_block_dic["total_majority"] <= self.bm.chain[-1]["total_majority"]):
# print("■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■")
# print("■■■■■■■■■■■■■■ u r 少数派 ■■■■■■■■■■■■■■")
# print("■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■")
# self.flag_stop_block_build = False
# self.is_bb_running = False
# self.bb_timer = threading.Timer(CHECK_INTERVAL, self.__generate_block_with_tp)
# self.bb_timer.start()
# return
print("ブロック生成")
print(new_block_dic)
if len(self.bm.chain) >= 2:
print("ブロック生成時間")
print(
self.__calculate_gene_time(self.bm.chain[-2],
self.bm.chain[-1]))
if self.bm.set_new_block(new_block.to_dict(),
self.prev_block_hash):
self.prev_block_hash = self.bm.get_hash(
new_block.to_dict())
# self.save_block_2_db()
message_new_block = self.cm.get_message_text(
MSG_NEW_BLOCK, json.dumps(new_block.to_dict()))
self.cm.send_msg_to_all_peer(message_new_block)
# index = len(result)
# self.tp.clear_my_transactions(index)
# 排除対象になったtxを取り込み済みtxから除く
exclusion_txs = new_block.get_exclusion_tx()
for ex_tx in exclusion_txs:
try:
del new_tp[ex_tx]
except KeyError:
pass
self.tp.add_through_count(exclusion_txs)
self.tp.clear_my_transactions2(new_tp)
with open(f'logs/{ADDRESS}_generate_block.csv', 'a') as f:
writer = csv.writer(f)
writer.writerow([
datetime.now(),
new_block_dic["block_number"],
# new_block_dic["total_majority"],
new_block_dic["nTx"],
# new_block_dic["over_half"],
])
# break
# print('Current prev_block_hash is ... ', self.prev_block_hash)
self.flag_stop_block_build = False
self.is_bb_running = False
self.bb_timer = threading.Timer(CHECK_INTERVAL,
self.__generate_block_with_tp)
self.bb_timer.start()
except:
with open(f"logs/{ADDRESS}_error.log", "a") as f:
print(traceback.print_exc(file=f))