120 lines
4.8 KiB
Python
Executable file
120 lines
4.8 KiB
Python
Executable file
#!/usr/bin/env python3
|
|
# Copyright (c) 2017-2019 The Bitcoin Core developers
|
|
# Distributed under the MIT software license, see the accompanying
|
|
# file COPYING or http://www.opensource.org/licenses/mit-license.php.
|
|
"""Tests NODE_NETWORK_LIMITED.
|
|
|
|
Tests that a node configured with -prune=550 signals NODE_NETWORK_LIMITED correctly
|
|
and that it responds to getdata requests for blocks correctly:
|
|
- send a block within 288 + 2 of the tip
|
|
- disconnect peers who request blocks older than that."""
|
|
from test_framework.messages import CInv, MSG_BLOCK, msg_getdata, msg_verack, NODE_NETWORK_LIMITED, NODE_WITNESS
|
|
from test_framework.mininode import P2PInterface, mininode_lock
|
|
from test_framework.test_framework import BitcoinTestFramework
|
|
from test_framework.util import (
|
|
assert_equal,
|
|
disconnect_nodes,
|
|
connect_nodes,
|
|
wait_until,
|
|
)
|
|
|
|
|
|
class P2PIgnoreInv(P2PInterface):
|
|
firstAddrnServices = 0
|
|
def on_inv(self, message):
|
|
# The node will send us invs for other blocks. Ignore them.
|
|
pass
|
|
def on_addr(self, message):
|
|
self.firstAddrnServices = message.addrs[0].nServices
|
|
def wait_for_addr(self, timeout=5):
|
|
test_function = lambda: self.last_message.get("addr")
|
|
wait_until(test_function, timeout=timeout, lock=mininode_lock)
|
|
def send_getdata_for_block(self, blockhash):
|
|
getdata_request = msg_getdata()
|
|
getdata_request.inv.append(CInv(MSG_BLOCK, int(blockhash, 16)))
|
|
self.send_message(getdata_request)
|
|
|
|
class NodeNetworkLimitedTest(BitcoinTestFramework):
|
|
def set_test_params(self):
|
|
self.setup_clean_chain = True
|
|
self.num_nodes = 3
|
|
self.extra_args = [['-prune=550', '-addrmantest'], [], []]
|
|
|
|
def disconnect_all(self):
|
|
disconnect_nodes(self.nodes[0], 1)
|
|
disconnect_nodes(self.nodes[1], 0)
|
|
disconnect_nodes(self.nodes[2], 1)
|
|
disconnect_nodes(self.nodes[2], 0)
|
|
disconnect_nodes(self.nodes[0], 2)
|
|
disconnect_nodes(self.nodes[1], 2)
|
|
|
|
def setup_network(self):
|
|
self.add_nodes(self.num_nodes, self.extra_args)
|
|
self.start_nodes()
|
|
|
|
def run_test(self):
|
|
node = self.nodes[0].add_p2p_connection(P2PIgnoreInv())
|
|
|
|
expected_services = NODE_WITNESS | NODE_NETWORK_LIMITED
|
|
|
|
self.log.info("Check that node has signalled expected services.")
|
|
assert_equal(node.nServices, expected_services)
|
|
|
|
self.log.info("Check that the localservices is as expected.")
|
|
assert_equal(int(self.nodes[0].getnetworkinfo()['localservices'], 16), expected_services)
|
|
|
|
self.log.info("Mine enough blocks to reach the NODE_NETWORK_LIMITED range.")
|
|
connect_nodes(self.nodes[0], 1)
|
|
blocks = self.nodes[1].generatetoaddress(292, self.nodes[1].get_deterministic_priv_key().address)
|
|
self.sync_blocks([self.nodes[0], self.nodes[1]])
|
|
|
|
self.log.info("Make sure we can max retrieve block at tip-288.")
|
|
node.send_getdata_for_block(blocks[1]) # last block in valid range
|
|
node.wait_for_block(int(blocks[1], 16), timeout=3)
|
|
|
|
self.log.info("Requesting block at height 2 (tip-289) must fail (ignored).")
|
|
node.send_getdata_for_block(blocks[0]) # first block outside of the 288+2 limit
|
|
node.wait_for_disconnect(5)
|
|
|
|
self.log.info("Check local address relay, do a fresh connection.")
|
|
self.nodes[0].disconnect_p2ps()
|
|
node1 = self.nodes[0].add_p2p_connection(P2PIgnoreInv())
|
|
node1.send_message(msg_verack())
|
|
|
|
node1.wait_for_addr()
|
|
#must relay address with NODE_NETWORK_LIMITED
|
|
assert_equal(node1.firstAddrnServices, expected_services)
|
|
|
|
self.nodes[0].disconnect_p2ps()
|
|
node1.wait_for_disconnect()
|
|
|
|
# connect unsynced node 2 with pruned NODE_NETWORK_LIMITED peer
|
|
# because node 2 is in IBD and node 0 is a NODE_NETWORK_LIMITED peer, sync must not be possible
|
|
connect_nodes(self.nodes[0], 2)
|
|
try:
|
|
self.sync_blocks([self.nodes[0], self.nodes[2]], timeout=5)
|
|
except:
|
|
pass
|
|
# node2 must remain at height 0
|
|
assert_equal(self.nodes[2].getblockheader(self.nodes[2].getbestblockhash())['height'], 0)
|
|
|
|
# now connect also to node 1 (non pruned)
|
|
connect_nodes(self.nodes[1], 2)
|
|
|
|
# sync must be possible
|
|
self.sync_blocks()
|
|
|
|
# disconnect all peers
|
|
self.disconnect_all()
|
|
|
|
# mine 10 blocks on node 0 (pruned node)
|
|
self.nodes[0].generatetoaddress(10, self.nodes[0].get_deterministic_priv_key().address)
|
|
|
|
# connect node1 (non pruned) with node0 (pruned) and check if the can sync
|
|
connect_nodes(self.nodes[0], 1)
|
|
|
|
# sync must be possible, node 1 is no longer in IBD and should therefore connect to node 0 (NODE_NETWORK_LIMITED)
|
|
self.sync_blocks([self.nodes[0], self.nodes[1]])
|
|
|
|
if __name__ == '__main__':
|
|
NodeNetworkLimitedTest().main()
|