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This commit changes the individual test scripts to call the start_node(s) and stop_node(s) methods in BitcoinTestFramework.
91 lines
3.8 KiB
Python
Executable File
91 lines
3.8 KiB
Python
Executable File
#!/usr/bin/env python3
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# Copyright (c) 2014-2017 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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"""Test mempool persistence.
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By default, bitcoind will dump mempool on shutdown and
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then reload it on startup. This can be overridden with
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the -persistmempool=0 command line option.
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Test is as follows:
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- start node0, node1 and node2. node1 has -persistmempool=0
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- create 5 transactions on node2 to its own address. Note that these
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are not sent to node0 or node1 addresses because we don't want
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them to be saved in the wallet.
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- check that node0 and node1 have 5 transactions in their mempools
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- shutdown all nodes.
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- startup node0. Verify that it still has 5 transactions
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in its mempool. Shutdown node0. This tests that by default the
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mempool is persistent.
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- startup node1. Verify that its mempool is empty. Shutdown node1.
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This tests that with -persistmempool=0, the mempool is not
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dumped to disk when the node is shut down.
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- Restart node0 with -persistmempool=0. Verify that its mempool is
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empty. Shutdown node0. This tests that with -persistmempool=0,
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the mempool is not loaded from disk on start up.
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- Restart node0 with -persistmempool. Verify that it has 5
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transactions in its mempool. This tests that -persistmempool=0
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does not overwrite a previously valid mempool stored on disk.
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"""
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import time
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from test_framework.mininode import wait_until
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from test_framework.test_framework import BitcoinTestFramework
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from test_framework.util import *
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class MempoolPersistTest(BitcoinTestFramework):
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def __init__(self):
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super().__init__()
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# We need 3 nodes for this test. Node1 does not have a persistent mempool.
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self.num_nodes = 3
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self.setup_clean_chain = False
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self.extra_args = [[], ["-persistmempool=0"], []]
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def run_test(self):
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chain_height = self.nodes[0].getblockcount()
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assert_equal(chain_height, 200)
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self.log.debug("Mine a single block to get out of IBD")
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self.nodes[0].generate(1)
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self.sync_all()
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self.log.debug("Send 5 transactions from node2 (to its own address)")
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for i in range(5):
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self.nodes[2].sendtoaddress(self.nodes[2].getnewaddress(), Decimal("10"))
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self.sync_all()
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self.log.debug("Verify that node0 and node1 have 5 transactions in their mempools")
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assert_equal(len(self.nodes[0].getrawmempool()), 5)
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assert_equal(len(self.nodes[1].getrawmempool()), 5)
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self.log.debug("Stop-start node0 and node1. Verify that node0 has the transactions in its mempool and node1 does not.")
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self.stop_nodes()
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self.nodes = []
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self.nodes.append(self.start_node(0, self.options.tmpdir))
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self.nodes.append(self.start_node(1, self.options.tmpdir))
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# Give bitcoind a second to reload the mempool
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time.sleep(1)
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assert wait_until(lambda: len(self.nodes[0].getrawmempool()) == 5)
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assert_equal(len(self.nodes[1].getrawmempool()), 0)
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self.log.debug("Stop-start node0 with -persistmempool=0. Verify that it doesn't load its mempool.dat file.")
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self.stop_nodes()
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self.nodes = []
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self.nodes.append(self.start_node(0, self.options.tmpdir, ["-persistmempool=0"]))
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# Give bitcoind a second to reload the mempool
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time.sleep(1)
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assert_equal(len(self.nodes[0].getrawmempool()), 0)
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self.log.debug("Stop-start node0. Verify that it has the transactions in its mempool.")
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self.stop_nodes()
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self.nodes = []
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self.nodes.append(self.start_node(0, self.options.tmpdir))
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assert wait_until(lambda: len(self.nodes[0].getrawmempool()) == 5)
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if __name__ == '__main__':
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MempoolPersistTest().main()
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