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46 lines
1.7 KiB
46 lines
1.7 KiB
#!/usr/bin/env python3
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# Copyright (c) 2019-2021 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 bitcoind aborts if can't disconnect a block.
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- Start a single node and generate 3 blocks.
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- Delete the undo data.
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- Mine a fork that requires disconnecting the tip.
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- Verify that bitcoind AbortNode's.
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"""
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from test_framework.test_framework import BitcoinTestFramework
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class AbortNodeTest(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 = 2
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def setup_network(self):
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self.setup_nodes()
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# We'll connect the nodes later
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def run_test(self):
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self.generate(self.nodes[0], 3, sync_fun=self.no_op)
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# Deleting the undo file will result in reorg failure
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(self.nodes[0].blocks_path / "rev00000.dat").unlink()
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# Connecting to a node with a more work chain will trigger a reorg
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# attempt.
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self.generate(self.nodes[1], 3, sync_fun=self.no_op)
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with self.nodes[0].assert_debug_log(["Failed to disconnect block"]):
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self.connect_nodes(0, 1)
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self.generate(self.nodes[1], 1, sync_fun=self.no_op)
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# Check that node0 aborted
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self.log.info("Waiting for crash")
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self.nodes[0].wait_until_stopped(timeout=5, expect_error=True, expected_stderr="Error: A fatal internal error occurred, see debug.log for details: Failed to disconnect block.")
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self.log.info("Node crashed - now verifying restart fails")
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self.nodes[0].assert_start_raises_init_error()
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if __name__ == '__main__':
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AbortNodeTest(__file__).main()
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