def consensus_most_common(self):
"""Consensus vote"""
try:
return most_common_dict(self.peer_opinion_dict)
except:
# no consensus yet
return 0
def consensus_add(self, peer_ip, consensus_blockheight, sdef, last_block):
# obviously too old blocks, we have half a day worth of validated blocks after them
# no ban, they can (should) be syncing but they can't possibly be in consensus list.
too_old = last_block - 720
try:
if peer_ip not in self.peer_opinion_dict:
if consensus_blockheight < too_old:
self.app_log.warning(f"{peer_ip} received block too old ({consensus_blockheight}) for consensus")
return
self.app_log.info(f"Updating {peer_ip} in consensus")
self.peer_opinion_dict[peer_ip] = consensus_blockheight
self.consensus = most_common_dict(self.peer_opinion_dict)
self.consensus_percentage = percentage_in(self.peer_opinion_dict[peer_ip],self.peer_opinion_dict.values())
if int(consensus_blockheight) > int(self.consensus) + 30 and self.consensus_percentage > 50 and len(self.peer_opinion_dict) > 10:
if self.warning(sdef, peer_ip, f"Consensus deviation too high, {peer_ip} banned", 10):
return
except Exception as e:
self.app_log.warning(e)
exc_type, exc_obj, exc_tb = sys.exc_info()
fname = os.path.split(exc_tb.tb_frame.f_code.co_filename)[1]
print(exc_type, fname, exc_tb.tb_lineno)
raise