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cc06ef5514
159fe88 Remove SingleNodeConnCB (John Newbery)
Tree-SHA512: 2fc3d060f4ac9445e657134919a871c46987d53eb98d23a858ee9515fc997be7a81923f08f2a37d07d123b55b912ae82ffa0f820d16297b044ab24dcf0788a8a
94 lines
3.6 KiB
Python
Executable File
94 lines
3.6 KiB
Python
Executable File
#!/usr/bin/env python3
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# Copyright (c) 2015-2016 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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"""Test nodes responses to having many blocks in flight.
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In this test we connect to one node over p2p, send it numerous inv's, and
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compare the resulting number of getdata requests to a max allowed value. We
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test for exceeding 128 blocks in flight, which was the limit an 0.9 client will
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reach. [0.10 clients shouldn't request more than 16 from a single peer.]
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"""
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from test_framework.mininode import *
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from test_framework.test_framework import BitcoinTestFramework
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from test_framework.util import *
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MAX_REQUESTS = 128
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class TestManager(NodeConnCB):
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def on_getdata(self, conn, message):
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self.log.debug("got getdata %s" % repr(message))
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# Log the requests
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for inv in message.inv:
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if inv.hash not in self.blockReqCounts:
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self.blockReqCounts[inv.hash] = 0
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self.blockReqCounts[inv.hash] += 1
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def on_close(self, conn):
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if not self.disconnectOkay:
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raise EarlyDisconnectError(0)
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def add_new_connection(self, connection):
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super().add_connection(connection)
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self.blockReqCounts = {}
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self.disconnectOkay = False
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def run(self):
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self.connection.rpc.generate(1) # Leave IBD
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numBlocksToGenerate = [8, 16, 128, 1024]
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for count in range(len(numBlocksToGenerate)):
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current_invs = []
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for i in range(numBlocksToGenerate[count]):
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current_invs.append(CInv(2, random.randrange(0, 1 << 256)))
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if len(current_invs) >= 50000:
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self.connection.send_message(msg_inv(current_invs))
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current_invs = []
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if len(current_invs) > 0:
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self.connection.send_message(msg_inv(current_invs))
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# Wait and see how many blocks were requested
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time.sleep(2)
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total_requests = 0
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with mininode_lock:
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for key in self.blockReqCounts:
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total_requests += self.blockReqCounts[key]
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if self.blockReqCounts[key] > 1:
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raise AssertionError("Error, test failed: block %064x requested more than once" % key)
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if total_requests > MAX_REQUESTS:
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raise AssertionError("Error, too many blocks (%d) requested" % total_requests)
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self.log.info("Round %d: success (total requests: %d)" % (count, total_requests))
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self.disconnectOkay = True
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self.connection.disconnect_node()
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class MaxBlocksInFlightTest(BitcoinTestFramework):
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def add_options(self, parser):
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parser.add_option("--testbinary", dest="testbinary",
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default=os.getenv("BITCOIND", "dashd"),
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help="Binary to test max block requests behavior")
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def __init__(self):
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super().__init__()
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self.setup_clean_chain = True
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self.num_nodes = 1
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def setup_network(self):
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self.nodes = start_nodes(self.num_nodes, self.options.tmpdir,
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extra_args=[['-whitelist=127.0.0.1']],
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binary=[self.options.testbinary])
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def run_test(self):
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test = TestManager()
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# pass log handler through to the test manager object
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test.log = self.log
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test.add_new_connection(NodeConn('127.0.0.1', p2p_port(0), self.nodes[0], test))
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NetworkThread().start() # Start up network handling in another thread
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test.run()
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if __name__ == '__main__':
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MaxBlocksInFlightTest().main()
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