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68400d8b96 tests: Use explicit imports (practicalswift) Pull request description: Enable automatic detection of undefined names in Python tests scripts. Remove wildcard imports. Wildcard imports make it unclear which names are present in the namespace, confusing both readers and many automated tools. An additional benefit of not using wildcard imports in tests scripts is that readers of a test script then can infer the rough testing scope just by looking at the imports. Before this commit: ``` $ contrib/devtools/lint-python.sh | head -10 ./test/functional/feature_rbf.py:8:1: F403 'from test_framework.util import *' used; unable to detect undefined names ./test/functional/feature_rbf.py:9:1: F403 'from test_framework.script import *' used; unable to detect undefined names ./test/functional/feature_rbf.py:10:1: F403 'from test_framework.mininode import *' used; unable to detect undefined names ./test/functional/feature_rbf.py:15:12: F405 bytes_to_hex_str may be undefined, or defined from star imports: test_framework.mininode, test_framework.script, test_framework.util ./test/functional/feature_rbf.py:17:58: F405 CScript may be undefined, or defined from star imports: test_framework.mininode, test_framework.script, test_framework.util ./test/functional/feature_rbf.py:25:13: F405 COIN may be undefined, or defined from star imports: test_framework.mininode, test_framework.script, test_framework.util ./test/functional/feature_rbf.py:26:31: F405 satoshi_round may be undefined, or defined from star imports: test_framework.mininode, test_framework.script, test_framework.util ./test/functional/feature_rbf.py:26:60: F405 COIN may be undefined, or defined from star imports: test_framework.mininode, test_framework.script, test_framework.util ./test/functional/feature_rbf.py:30:41: F405 satoshi_round may be undefined, or defined from star imports: test_framework.mininode, test_framework.script, test_framework.util ./test/functional/feature_rbf.py:30:68: F405 COIN may be undefined, or defined from star imports: test_framework.mininode, test_framework.script, test_framework.util $ ``` After this commit: ``` $ contrib/devtools/lint-python.sh | head -10 $ ``` Tree-SHA512: 3f826d39cffb6438388e5efcb20a9622ff8238247e882d68f7b38609877421b2a8e10e9229575f8eb6a8fa42dec4256986692e92922c86171f750a0e887438d9
117 lines
4.9 KiB
Python
Executable File
117 lines
4.9 KiB
Python
Executable File
#!/usr/bin/env python3
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# Copyright (c) 2017 The Bitcoin 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_getdata, NODE_BLOOM, NODE_NETWORK_LIMITED, msg_verack
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from test_framework.mininode import P2PInterface, mininode_lock
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from test_framework.test_framework import BitcoinTestFramework
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from test_framework.util import assert_equal, disconnect_nodes, connect_nodes_bi, sync_blocks, wait_until
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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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wait_until(test_function, timeout=timeout, lock=mininode_lock)
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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(2, int(blockhash, 16)))
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self.send_message(getdata_request)
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class NodeNetworkLimitedTest(BitcoinTestFramework):
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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', '-txindex=0', '-addrmantest'], [], []]
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def disconnect_all(self):
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disconnect_nodes(self.nodes[0], 1)
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disconnect_nodes(self.nodes[1], 0)
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disconnect_nodes(self.nodes[2], 1)
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disconnect_nodes(self.nodes[2], 0)
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disconnect_nodes(self.nodes[0], 2)
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disconnect_nodes(self.nodes[1], 2)
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def setup_network(self):
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super(NodeNetworkLimitedTest, self).setup_network()
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self.disconnect_all()
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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_BLOOM | 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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connect_nodes_bi(self.nodes, 0, 1)
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blocks = self.nodes[1].generate(292)
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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, 1028) # Not 1036 like bitcoin, because NODE_WITNESS = 1 << 3 = 8
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self.nodes[0].disconnect_p2ps()
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node1.wait_for_disconnect()
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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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connect_nodes_bi(self.nodes, 0, 2)
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try:
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sync_blocks([self.nodes[0], self.nodes[2]], timeout=5)
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except:
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pass
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# node2 must remain at heigh 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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connect_nodes_bi(self.nodes, 1, 2)
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# sync must be possible
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sync_blocks(self.nodes)
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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.nodes[0].generate(10)
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# connect node1 (non pruned) with node0 (pruned) and check if the can sync
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connect_nodes_bi(self.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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sync_blocks([self.nodes[0], self.nodes[1]])
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self.stop_node(0, expected_stderr='Warning: You are starting with governance validation disabled. This is expected because you are running a pruned node.')
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if __name__ == '__main__':
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NodeNetworkLimitedTest().main()
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