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python-teos/test/pisa/unit/test_builder.py
2020-01-31 12:46:12 +01:00

223 lines
8.1 KiB
Python

import pytest
from uuid import uuid4
from queue import Queue
from pisa.builder import Builder
from pisa.watcher import Watcher
from test.pisa.unit.conftest import (
get_random_value_hex,
generate_dummy_appointment,
generate_dummy_tracker,
generate_block,
bitcoin_cli,
get_config,
)
def test_build_appointments():
appointments_data = {}
# Create some appointment data
for i in range(10):
appointment, _ = generate_dummy_appointment(real_height=False)
uuid = uuid4().hex
appointments_data[uuid] = appointment.to_dict()
# Add some additional appointments that share the same locator to test all the builder's cases
if i % 2 == 0:
locator = appointment.locator
appointment, _ = generate_dummy_appointment(real_height=False)
uuid = uuid4().hex
appointment.locator = locator
appointments_data[uuid] = appointment.to_dict()
# Use the builder to create the data structures
appointments, locator_uuid_map = Builder.build_appointments(appointments_data)
# Check that the created appointments match the data
for uuid, appointment in appointments.items():
assert uuid in appointments_data.keys()
assert appointments_data[uuid].get("locator") == appointment.get("locator")
assert appointments_data[uuid].get("end_time") == appointment.get("end_time")
assert uuid in locator_uuid_map[appointment.get("locator")]
def test_build_trackers():
trackers_data = {}
# Create some trackers data
for i in range(10):
tracker = generate_dummy_tracker()
trackers_data[uuid4().hex] = tracker.to_dict()
# Add some additional trackers that share the same locator to test all the builder's cases
if i % 2 == 0:
penalty_txid = tracker.penalty_txid
tracker = generate_dummy_tracker()
tracker.penalty_txid = penalty_txid
trackers_data[uuid4().hex] = tracker.to_dict()
trackers, tx_tracker_map = Builder.build_trackers(trackers_data)
# Check that the built trackers match the data
for uuid, tracker in trackers.items():
assert uuid in trackers_data.keys()
assert tracker.get("penalty_txid") == trackers_data[uuid].get("penalty_txid")
assert tracker.get("locator") == trackers_data[uuid].get("locator")
assert tracker.get("appointment_end") == trackers_data[uuid].get("appointment_end")
assert uuid in tx_tracker_map[tracker.get("penalty_txid")]
def test_populate_block_queue():
# Create some random block hashes and construct the queue with them
blocks = [get_random_value_hex(32) for _ in range(10)]
queue = Queue()
Builder.populate_block_queue(queue, blocks)
# Make sure every block is in the queue and that there are not additional ones
while not queue.empty():
block = queue.get()
assert block in blocks
blocks.remove(block)
assert len(blocks) == 0
def test_update_states_empty_list(db_manager):
w = Watcher(db_manager=db_manager, chain_monitor=None, sk_der=None, config=None)
missed_blocks_watcher = []
missed_blocks_responder = [get_random_value_hex(32)]
# Any combination of empty list must raise a ValueError
with pytest.raises(ValueError):
Builder.update_states(w, missed_blocks_watcher, missed_blocks_responder)
with pytest.raises(ValueError):
Builder.update_states(w, missed_blocks_responder, missed_blocks_watcher)
def test_update_states_different_sizes(run_bitcoind, db_manager, chain_monitor):
w = Watcher(db_manager=db_manager, chain_monitor=chain_monitor, sk_der=None, config=get_config())
chain_monitor.attach_watcher(w.responder, True)
chain_monitor.attach_responder(w.responder, True)
# For the states to be updated data needs to be present in the actors (either appointments or trackers).
# Let's start from the Watcher. We add one appointment and mine some blocks that both are gonna miss.
w.appointments[uuid4().hex] = {"locator": get_random_value_hex(16), "end_time": 200}
blocks = []
for _ in range(5):
generate_block()
blocks.append(bitcoin_cli().getbestblockhash())
# Updating the states should bring both to the same last known block. The Watcher's is stored in the db since it has
# gone over do_watch, whereas the Responders in only updated by update state.
Builder.update_states(w, blocks, blocks[1:])
assert db_manager.load_last_block_hash_watcher() == blocks[-1]
assert w.responder.last_known_block == blocks[-1]
# If both have work, both last known blocks are updated
w.sleep()
w.responder.sleep()
w.responder.trackers[uuid4().hex] = {
"penalty_txid": get_random_value_hex(32),
"locator": get_random_value_hex(16),
"appointment_end": 200,
}
blocks = []
for _ in range(5):
generate_block()
blocks.append(bitcoin_cli().getbestblockhash())
Builder.update_states(w, blocks[1:], blocks)
assert db_manager.load_last_block_hash_watcher() == blocks[-1]
assert db_manager.load_last_block_hash_responder() == blocks[-1]
# Let's try the opposite of the first test (Responder with data, Watcher without)
w.sleep()
w.responder.sleep()
w.appointments = {}
last_block_prev = blocks[-1]
blocks = []
for _ in range(5):
generate_block()
blocks.append(bitcoin_cli().getbestblockhash())
# The Responder should have been brought up to date via do_watch, whereas the Watcher's last known block hash't
# change. The Watcher does not keep track of reorgs, so if he has no work to do he does not even update the last
# known block.
Builder.update_states(w, blocks[1:], blocks)
assert db_manager.load_last_block_hash_watcher() == last_block_prev
assert db_manager.load_last_block_hash_responder() == blocks[-1]
def test_update_states_same_sizes(db_manager, chain_monitor):
# The exact same behaviour of the last test is expected here, since different sizes are even using
# populate_block_queue and then run with the same list size.
w = Watcher(db_manager=db_manager, chain_monitor=chain_monitor, sk_der=None, config=get_config())
chain_monitor.attach_watcher(w.responder, True)
chain_monitor.attach_responder(w.responder, True)
# For the states to be updated data needs to be present in the actors (either appointments or trackers).
# Let's start from the Watcher. We add one appointment and mine some blocks that both are gonna miss.
w.appointments[uuid4().hex] = {"locator": get_random_value_hex(16), "end_time": 200}
blocks = []
for _ in range(5):
generate_block()
blocks.append(bitcoin_cli().getbestblockhash())
Builder.update_states(w, blocks, blocks)
assert db_manager.load_last_block_hash_watcher() == blocks[-1]
assert w.responder.last_known_block == blocks[-1]
# If both have work, both last known blocks are updated
w.sleep()
w.responder.sleep()
w.responder.trackers[uuid4().hex] = {
"penalty_txid": get_random_value_hex(32),
"locator": get_random_value_hex(16),
"appointment_end": 200,
}
blocks = []
for _ in range(5):
generate_block()
blocks.append(bitcoin_cli().getbestblockhash())
Builder.update_states(w, blocks, blocks)
assert db_manager.load_last_block_hash_watcher() == blocks[-1]
assert db_manager.load_last_block_hash_responder() == blocks[-1]
# Let's try the opposite of the first test (Responder with data, Watcher without)
w.sleep()
w.responder.sleep()
w.appointments = {}
last_block_prev = blocks[-1]
blocks = []
for _ in range(5):
generate_block()
blocks.append(bitcoin_cli().getbestblockhash())
# The Responder should have been brought up to date via do_watch, whereas the Watcher's last known block hash't
# change. The Watcher does not keep track of reorgs, so if he has no work to do he does not even update the last
# known block.
Builder.update_states(w, blocks, blocks)
assert db_manager.load_last_block_hash_watcher() == last_block_prev
assert db_manager.load_last_block_hash_responder() == blocks[-1]