def run_test(self):
start_p2p_connection(self.nodes)
n_generate_batch = 1000
n_attack_blocks = 15000
self.log.info(f"Attacker start to prepare {n_attack_blocks} blocks")
attack_blocks = create_chain_of_blocks(
parent_hash=self.nodes[0].p2p.genesis.hash,
parent_height=0,
count=n_attack_blocks)
self.log.info("Honest node generate")
for _ in range(int(20000 / n_generate_batch)):
batch_generate(self.nodes[0], n_generate_batch, self.log)
cnt = self.nodes[0].getblockcount()
self.log.info("Honest node block count: " + str(cnt))
for b in attack_blocks:
self.nodes[0].p2p.send_protocol_msg(NewBlock(b))
honest_cnt = 20000 + 1
for _ in range(1000):
batch_generate(self.nodes[0], n_generate_batch, self.log)
honest_cnt += n_generate_batch
cnt = self.nodes[0].getblockcount()
self.log.info("Honest node block count: " + str(cnt) + " " +
str(honest_cnt))
if honest_cnt + n_attack_blocks == cnt:
self.log.info("All attack blocks are processed!")
break
def generate_block(self):
# if not hasattr(self, "parent_hash"):
# self.parent_hash = make_genesis().hash_hex()
# self.parent_hash = self.node.generate_block_with_parent(self.parent_hash)
block = create_block(parent_hash=self.parent_hash, height=self.height)
self.node.p2p.send_protocol_msg(NewBlock(block=block))
self.parent_hash = block.hash
self.height += 1