def test_one_node(self):
manager1 = self.create_peer(self.network)
simulator = Simulator(self.clock)
miner1 = MinerSimulator(manager1, hashpower=100e6)
miner1.start()
simulator.run(10)
gen_tx1 = RandomTransactionGenerator(manager1,
rate=2 / 60.,
hashpower=1e6,
ignore_no_funds=True)
gen_tx1.start()
simulator.run(60 * 60)
print()
print('Metrics:')
d = {}
for key in [
'transactions', 'blocks', 'hash_rate', 'total_block_weight',
'total_tx_weight'
]:
d[key] = getattr(manager1.metrics, key)
print(' {}: {}'.format(key, getattr(manager1.metrics, key)))
print()
print(d)
def test_new_syncing_peer(self):
nodes = []
miners = []
tx_generators = []
simulator = Simulator(self.clock)
for hashpower in [10e6, 8e6, 5e6, 5e6, 5e6]:
manager = self.create_peer(self.network)
for node in nodes:
conn = FakeConnection(manager, node, latency=0.085)
simulator.add_connection(conn)
nodes.append(manager)
miner = MinerSimulator(manager, hashpower=hashpower)
miner.start()
miners.append(miner)
for i, rate in enumerate([5, 4, 3, 2, 1]):
tx_gen = RandomTransactionGenerator(nodes[i],
rate=rate * 1 / 60.,
hashpower=1e6,
ignore_no_funds=True)
tx_gen.start()
tx_generators.append(tx_gen)
simulator.run(45 * 60)
for node in nodes[1:]:
self.assertTipsEqual(nodes[0], node)
late_manager = self.create_peer(self.network)
for node in nodes:
conn = FakeConnection(late_manager, node, latency=0.300)
simulator.add_connection(conn)
nodes.append(late_manager)
simulator.run(8 * 60)
for tx_gen in tx_generators:
tx_gen.stop()
for miner in miners:
miner.stop()
simulator.run(60)
# dot1 = nodes[0].tx_storage.graphviz(format='pdf')
# dot1.render('dot1tmp')
# dot2 = late_manager.tx_storage.graphviz(format='pdf')
# dot2.render('dot2tmp')
for node in nodes[1:]:
self.assertTipsEqual(nodes[0], node)
def test_20_nodes(self):
nodes = []
miners = []
tx_generators = []
simulator = Simulator(self.clock)
for _ in range(1):
hashpower = 1e6 * random.randint(1, 20)
manager = self.create_peer(self.network)
for node in nodes:
conn = FakeConnection(manager, node, latency=0.085)
simulator.add_connection(conn)
nodes.append(manager)
miner = MinerSimulator(manager, hashpower=hashpower)
miner.start()
miners.append(miner)
rate = random.randint(1, 30)
tx_gen = RandomTransactionGenerator(manager, rate=rate * 1 / 60., hashpower=1e6, ignore_no_funds=True)
tx_gen.start()
tx_generators.append(tx_gen)
simulator.run(5 * 60)
for _ in range(20):
hashpower = 1e6 * random.randint(1, 20)
manager = self.create_peer(self.network)
for node in nodes:
conn = FakeConnection(manager, node, latency=0.085)
simulator.add_connection(conn)
nodes.append(manager)
simulator.run(2 * 60)
for node in nodes[1:]:
self.assertTipsEqual(nodes[0], node)
for manager in nodes:
miner = MinerSimulator(manager, hashpower=hashpower)
miner.start()
miners.append(miner)
rate = random.randint(1, 5)
tx_gen = RandomTransactionGenerator(manager, rate=rate * 1 / 60., hashpower=1e6, ignore_no_funds=True)
# They will randomly send token between them.
tx_gen.send_to = [x.wallet.get_unused_address(mark_as_used=True) for x in nodes]
tx_gen.start()
tx_generators.append(tx_gen)
simulator.run(30 * 60)
print()
print()
print('Manager 1: Connection metrics')
for conn in nodes[0].connections.iter_ready_connections():
conn.metrics.print_stats()
print()
print()
dot1 = nodes[0].tx_storage.graphviz(format='dot')
dot1.render('dot1tmp')
for tx_gen in tx_generators:
tx_gen.stop()
for miner in miners:
miner.stop()
simulator.run(60)
for node in nodes[1:]:
self.assertTipsEqual(nodes[0], node)
def test_two_nodes(self):
# import sys
# from twisted.python import log
# log.startLogging(sys.stdout)
manager1 = self.create_peer(self.network)
manager2 = self.create_peer(self.network)
# manager1.start_log_animation('_debug1')
# manager2.start_log_animation('_debug2')
simulator = Simulator(self.clock)
miner1 = MinerSimulator(manager1, hashpower=10e6)
miner1.start()
simulator.run(10)
gen_tx1 = RandomTransactionGenerator(manager1,
rate=3 / 60.,
hashpower=1e6,
ignore_no_funds=True)
gen_tx1.start()
simulator.run(60)
conn12 = FakeConnection(manager1, manager2, latency=0.150)
simulator.add_connection(conn12)
simulator.run(60)
miner2 = MinerSimulator(manager2, hashpower=100e6)
miner2.start()
simulator.run(120)
gen_tx2 = RandomTransactionGenerator(manager2,
rate=10 / 60.,
hashpower=1e6,
ignore_no_funds=True)
gen_tx2.start()
simulator.run(10 * 60)
miner1.stop()
miner2.stop()
gen_tx1.stop()
gen_tx2.stop()
simulator.run(5 * 60)
print()
print()
print('Manager 1: Connection metrics')
for conn in manager1.connections.get_ready_connections():
conn.metrics.print_stats()
print()
print()
# dot1 = manager1.tx_storage.graphviz(format='pdf')
# dot1.render('test_sync1_v')
# dot1f = manager1.tx_storage.graphviz_funds(format='pdf')
# dot1f.render('test_sync1_f')
self.assertTrue(conn12.is_connected)
self.assertTipsEqual(manager1, manager2)
def test_many_nodes(self):
manager1 = self.create_peer(self.network)
manager2 = self.create_peer(self.network)
nodes = [manager1, manager2]
miners = []
simulator = Simulator(self.clock)
miner1 = MinerSimulator(manager1, hashpower=10e6)
miner1.start()
miners.append(miner1)
simulator.run(10)
gen_tx1 = RandomTransactionGenerator(manager1,
rate=3 / 60.,
hashpower=1e6,
ignore_no_funds=True)
gen_tx1.start()
simulator.run(60)
conn12 = FakeConnection(manager1, manager2, latency=0.150)
simulator.add_connection(conn12)
simulator.run(60)
miner2 = MinerSimulator(manager2, hashpower=100e6)
miner2.start()
miners.append(miner2)
simulator.run(120)
gen_tx2 = RandomTransactionGenerator(manager2,
rate=10 / 60.,
hashpower=1e6,
ignore_no_funds=True)
gen_tx2.start()
simulator.run(10 * 60)
print()
print()
print('Manager 1: Two nodes, timestamp = {}'.format(
self.clock.seconds()))
for conn in manager1.connections.get_ready_connections():
conn.metrics.print_stats()
print()
print()
for _ in range(4):
tmp_manager = self.create_peer(self.network)
for m in nodes:
latency = random.random()
conn = FakeConnection(tmp_manager, m, latency=latency)
simulator.add_connection(conn)
nodes.append(tmp_manager)
simulator.run(10 * 60)
print()
print()
print('Manager 1: {} nodes, timestamp = {}'.format(
len(nodes), self.clock.seconds()))
for conn in manager1.connections.get_ready_connections():
conn.metrics.print_stats()
print()
print()
for miner in miners:
miner.stop()
gen_tx1.stop()
gen_tx2.stop()
simulator.run(5 * 60)
print()
print()
print('Manager 1: Final connection metrics')
for conn in manager1.connections.get_ready_connections():
conn.metrics.print_stats()
print()
print()
for node in nodes[1:]:
self.assertTipsEqual(manager1, node)