def test_tx_propagation_nat_peers(self):
""" manager1 <- manager2 <- manager3
"""
self._add_new_blocks(25)
manager2 = self.create_peer(self.network)
conn1 = FakeConnection(self.manager1, manager2)
for _ in range(1000):
if conn1.is_empty():
break
conn1.run_one_step()
self.clock.advance(0.1)
self.assertTipsEqual(self.manager1, manager2)
self._add_new_blocks(1)
for _ in range(1000):
if conn1.is_empty():
break
conn1.run_one_step()
self.clock.advance(0.1)
self.assertTipsEqual(self.manager1, manager2)
manager3 = self.create_peer(self.network)
conn2 = FakeConnection(manager2, manager3)
for _ in range(1000):
if conn1.is_empty() and conn2.is_empty():
break
conn1.run_one_step()
conn2.run_one_step()
self.clock.advance(0.1)
self.assertTipsEqual(self.manager1, manager2)
self.assertTipsEqual(self.manager1, manager3)
self._add_new_transactions(1)
for _ in range(1000):
if conn1.is_empty() and conn2.is_empty():
break
conn1.run_one_step()
conn2.run_one_step()
self.clock.advance(0.1)
self.assertTipsEqual(self.manager1, manager2)
self.assertTipsEqual(self.manager1, manager3)
self.assertConsensusEqual(self.manager1, manager2)
self.assertConsensusEqual(self.manager1, manager3)
self.assertConsensusValid(self.manager1)
self.assertConsensusValid(manager2)
self.assertConsensusValid(manager3)
def test_block_sync_many_new_blocks(self):
self._add_new_blocks(150)
manager2 = self.create_peer(self.network)
self.assertEqual(manager2.state, manager2.NodeState.READY)
conn = FakeConnection(self.manager1, manager2)
while not conn.is_empty():
conn.run_one_step(debug=True)
self.clock.advance(0.1)
node_sync = conn.proto1.state.get_sync_plugin()
self.assertEqual(node_sync.synced_timestamp, node_sync.peer_timestamp)
self.assertTipsEqual(self.manager1, manager2)
self.assertConsensusEqual(self.manager1, manager2)
self.assertConsensusValid(self.manager1)
self.assertConsensusValid(manager2)
def test_split_brain(self):
debug_pdf = False
manager1 = self.create_peer(self.network, unlock_wallet=True)
manager1.avg_time_between_blocks = 3
manager2 = self.create_peer(self.network, unlock_wallet=True)
manager2.avg_time_between_blocks = 3
for _ in range(10):
add_new_block(manager1, advance_clock=1)
add_blocks_unlock_reward(manager1)
add_new_block(manager2, advance_clock=1)
add_blocks_unlock_reward(manager2)
self.clock.advance(10)
for _ in range(random.randint(3, 10)):
add_new_transactions(manager1, random.randint(2, 4))
add_new_transactions(manager2, random.randint(3, 7))
add_new_double_spending(manager1)
add_new_double_spending(manager2)
self.clock.advance(10)
self.clock.advance(20)
self.assertTipsNotEqual(manager1, manager2)
self.assertConsensusValid(manager1)
self.assertConsensusValid(manager2)
if debug_pdf:
dot1 = GraphvizVisualizer(manager1.tx_storage,
include_verifications=True).dot()
dot1.render('dot1-pre')
conn = FakeConnection(manager1, manager2)
conn.run_one_step() # HELLO
conn.run_one_step() # PEER-ID
empty_counter = 0
for i in range(1000):
if conn.is_empty():
empty_counter += 1
if empty_counter > 10:
break
else:
empty_counter = 0
conn.run_one_step()
self.clock.advance(0.2)
if debug_pdf:
dot1 = GraphvizVisualizer(manager1.tx_storage,
include_verifications=True).dot()
dot1.render('dot1-post')
dot2 = GraphvizVisualizer(manager2.tx_storage,
include_verifications=True).dot()
dot2.render('dot2-post')
node_sync = conn.proto1.state.get_sync_plugin()
self.assertEqual(node_sync.synced_timestamp, node_sync.peer_timestamp)
self.assertTipsEqual(manager1, manager2)
self.assertConsensusEqual(manager1, manager2)
# self.assertConsensusValid(manager1)
self.assertConsensusValid(manager2)
