112 lines
4.5 KiB
Python
112 lines
4.5 KiB
Python
#!/usr/bin/env python3
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# Copyright (c) 2017-2021 The Moneyrocket Core developers
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# Distributed under the MIT software license, see the accompanying
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# file COPYING or http://www.opensource.org/licenses/mit-license.php.
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"""Tests NODE_NETWORK_LIMITED.
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Tests that a node configured with -prune=550 signals NODE_NETWORK_LIMITED correctly
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and that it responds to getdata requests for blocks correctly:
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- send a block within 288 + 2 of the tip
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- disconnect peers who request blocks older than that."""
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from test_framework.messages import CInv, MSG_BLOCK, msg_getdata, msg_verack, NODE_NETWORK_LIMITED, NODE_WITNESS
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from test_framework.p2p import P2PInterface
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from test_framework.test_framework import MoneyrocketTestFramework
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from test_framework.util import (
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assert_equal,
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)
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class P2PIgnoreInv(P2PInterface):
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firstAddrnServices = 0
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def on_inv(self, message):
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# The node will send us invs for other blocks. Ignore them.
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pass
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def on_addr(self, message):
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self.firstAddrnServices = message.addrs[0].nServices
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def wait_for_addr(self, timeout=5):
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test_function = lambda: self.last_message.get("addr")
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self.wait_until(test_function, timeout=timeout)
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def send_getdata_for_block(self, blockhash):
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getdata_request = msg_getdata()
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getdata_request.inv.append(CInv(MSG_BLOCK, int(blockhash, 16)))
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self.send_message(getdata_request)
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class NodeNetworkLimitedTest(MoneyrocketTestFramework):
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def set_test_params(self):
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self.setup_clean_chain = True
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self.num_nodes = 3
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self.extra_args = [['-prune=550', '-addrmantest'], [], []]
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def disconnect_all(self):
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self.disconnect_nodes(0, 1)
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self.disconnect_nodes(0, 2)
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self.disconnect_nodes(1, 2)
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def setup_network(self):
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self.add_nodes(self.num_nodes, self.extra_args)
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self.start_nodes()
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def run_test(self):
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node = self.nodes[0].add_p2p_connection(P2PIgnoreInv())
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expected_services = NODE_WITNESS | NODE_NETWORK_LIMITED
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self.log.info("Check that node has signalled expected services.")
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assert_equal(node.nServices, expected_services)
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self.log.info("Check that the localservices is as expected.")
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assert_equal(int(self.nodes[0].getnetworkinfo()['localservices'], 16), expected_services)
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self.log.info("Mine enough blocks to reach the NODE_NETWORK_LIMITED range.")
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self.connect_nodes(0, 1)
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blocks = self.generate(self.nodes[1], 292, sync_fun=lambda: self.sync_blocks([self.nodes[0], self.nodes[1]]))
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self.log.info("Make sure we can max retrieve block at tip-288.")
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node.send_getdata_for_block(blocks[1]) # last block in valid range
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node.wait_for_block(int(blocks[1], 16), timeout=3)
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self.log.info("Requesting block at height 2 (tip-289) must fail (ignored).")
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node.send_getdata_for_block(blocks[0]) # first block outside of the 288+2 limit
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node.wait_for_disconnect(5)
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self.log.info("Check local address relay, do a fresh connection.")
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self.nodes[0].disconnect_p2ps()
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node1 = self.nodes[0].add_p2p_connection(P2PIgnoreInv())
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node1.send_message(msg_verack())
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node1.wait_for_addr()
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#must relay address with NODE_NETWORK_LIMITED
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assert_equal(node1.firstAddrnServices, expected_services)
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self.nodes[0].disconnect_p2ps()
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# connect unsynced node 2 with pruned NODE_NETWORK_LIMITED peer
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# because node 2 is in IBD and node 0 is a NODE_NETWORK_LIMITED peer, sync must not be possible
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self.connect_nodes(0, 2)
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try:
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self.sync_blocks([self.nodes[0], self.nodes[2]], timeout=5)
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except Exception:
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pass
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# node2 must remain at height 0
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assert_equal(self.nodes[2].getblockheader(self.nodes[2].getbestblockhash())['height'], 0)
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# now connect also to node 1 (non pruned)
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self.connect_nodes(1, 2)
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# sync must be possible
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self.sync_blocks()
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# disconnect all peers
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self.disconnect_all()
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# mine 10 blocks on node 0 (pruned node)
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self.generate(self.nodes[0], 10, sync_fun=self.no_op)
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# connect node1 (non pruned) with node0 (pruned) and check if the can sync
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self.connect_nodes(0, 1)
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# sync must be possible, node 1 is no longer in IBD and should therefore connect to node 0 (NODE_NETWORK_LIMITED)
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self.sync_blocks([self.nodes[0], self.nodes[1]])
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if __name__ == '__main__':
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NodeNetworkLimitedTest().main()
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