Differential D8465 Diff 25873 test/functional/p2p_blockfilters.py

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test/functional/p2p_blockfilters.py

#!/usr/bin/env python3		#!/usr/bin/env python3
# Copyright (c) 2019 The Bitcoin Core developers		# Copyright (c) 2019 The Bitcoin Core developers
# Distributed under the MIT software license, see the accompanying		# Distributed under the MIT software license, see the accompanying
# file COPYING or http://www.opensource.org/licenses/mit-license.php.		# file COPYING or http://www.opensource.org/licenses/mit-license.php.
"""Tests NODE_COMPACT_FILTERS (BIP 157/158).		"""Tests NODE_COMPACT_FILTERS (BIP 157/158).

Tests that a node configured with -blockfilterindex and -peerblockfilters can serve		Tests that a node configured with -blockfilterindex and -peerblockfilters can serve
cfcheckpts.		cfheaders and cfcheckpts.
"""		"""

from test_framework.messages import (		from test_framework.messages import (
FILTER_TYPE_BASIC,		FILTER_TYPE_BASIC,
		hash256,
msg_getcfcheckpt,		msg_getcfcheckpt,
		msg_getcfheaders,
		ser_uint256,
		uint256_from_str,
)		)
from test_framework.mininode import P2PInterface		from test_framework.mininode import P2PInterface
from test_framework.test_framework import BitcoinTestFramework		from test_framework.test_framework import BitcoinTestFramework
from test_framework.util import (		from test_framework.util import (
assert_equal,		assert_equal,
connect_nodes,		connect_nodes,
disconnect_nodes,		disconnect_nodes,
wait_until,		wait_until,
▲ Show 20 Lines • Show All 77 Lines • ▼ Show 20 Lines	def run_test(self):

stale_cfcheckpt = self.nodes[0].getblockfilter(		stale_cfcheckpt = self.nodes[0].getblockfilter(
stale_block_hash, 'basic')['header']		stale_block_hash, 'basic')['header']
assert_equal(		assert_equal(
response.headers,		response.headers,
[int(header, 16) for header in (stale_cfcheckpt,)]		[int(header, 16) for header in (stale_cfcheckpt,)]
)		)

		self.log.info("Check that peers can fetch cfheaders on active chain.")
		request = msg_getcfheaders(
		filter_type=FILTER_TYPE_BASIC,
		start_height=1,
		stop_hash=int(main_block_hash, 16)
		)
		node0.send_and_ping(request)
		response = node0.last_message['cfheaders']
		assert_equal(len(response.hashes), 1000)
		assert_equal(
		compute_last_header(response.prev_header, response.hashes),
		int(main_cfcheckpt, 16)
		)

		self.log.info("Check that peers can fetch cfheaders on stale chain.")
		request = msg_getcfheaders(
		filter_type=FILTER_TYPE_BASIC,
		start_height=1,
		stop_hash=int(stale_block_hash, 16)
		)
		node0.send_and_ping(request)
		response = node0.last_message['cfheaders']
		assert_equal(len(response.hashes), 1000)
		assert_equal(
		compute_last_header(response.prev_header, response.hashes),
		int(stale_cfcheckpt, 16)
		)

self.log.info(		self.log.info(
"Requests to node 1 without NODE_COMPACT_FILTERS results in disconnection.")		"Requests to node 1 without NODE_COMPACT_FILTERS results in disconnection.")
requests = [		requests = [
msg_getcfcheckpt(		msg_getcfcheckpt(
filter_type=FILTER_TYPE_BASIC,		filter_type=FILTER_TYPE_BASIC,
stop_hash=int(main_block_hash, 16)		stop_hash=int(main_block_hash, 16)
),		),
		msg_getcfheaders(
		filter_type=FILTER_TYPE_BASIC,
		start_height=1000,
		stop_hash=int(main_block_hash, 16)
		),
]		]
for request in requests:		for request in requests:
node1 = self.nodes[1].add_p2p_connection(P2PInterface())		node1 = self.nodes[1].add_p2p_connection(P2PInterface())
node1.send_message(request)		node1.send_message(request)
node1.wait_for_disconnect()		node1.wait_for_disconnect()

self.log.info("Check that invalid requests result in disconnection.")		self.log.info("Check that invalid requests result in disconnection.")
requests = [		requests = [
		# Requesting too many filter headers results in disconnection.
		msg_getcfheaders(
		filter_type=FILTER_TYPE_BASIC,
		start_height=0,
		stop_hash=int(tip_hash, 16)
		),
# Requesting unknown filter type results in disconnection.		# Requesting unknown filter type results in disconnection.
msg_getcfcheckpt(		msg_getcfcheckpt(
filter_type=255,		filter_type=255,
stop_hash=int(main_block_hash, 16)		stop_hash=int(main_block_hash, 16)
),		),
# Requesting unknown hash results in disconnection.		# Requesting unknown hash results in disconnection.
msg_getcfcheckpt(		msg_getcfcheckpt(
filter_type=FILTER_TYPE_BASIC,		filter_type=FILTER_TYPE_BASIC,
stop_hash=123456789,		stop_hash=123456789,
),		),
]		]
for request in requests:		for request in requests:
node0 = self.nodes[0].add_p2p_connection(P2PInterface())		node0 = self.nodes[0].add_p2p_connection(P2PInterface())
node0.send_message(request)		node0.send_message(request)
node0.wait_for_disconnect()		node0.wait_for_disconnect()


		def compute_last_header(prev_header, hashes):
		"""Compute the last filter header from a starting header and a sequence of filter hashes."""
		header = ser_uint256(prev_header)
		for filter_hash in hashes:
		header = hash256(ser_uint256(filter_hash) + header)
		return uint256_from_str(header)


if __name__ == '__main__':		if __name__ == '__main__':
CompactFiltersTest().main()		CompactFiltersTest().main()