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3f44f9aef7
A pruned stale-fork block whose parent doesn't have any transactions shouldn't be added to m_blocks_unlinked when starting up a node.
40 lines
1.7 KiB
Python
Executable File
40 lines
1.7 KiB
Python
Executable File
#!/usr/bin/env python3
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# Copyright (c) 2026-present 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 node restart with a pruned stale-fork block whose parent has no transactions."""
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from test_framework.blocktools import create_empty_fork
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from test_framework.test_framework import BitcoinTestFramework
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from test_framework.util import assert_equal, assert_raises_rpc_error
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class FeaturePruneStaleForkTest(BitcoinTestFramework):
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def set_test_params(self):
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self.num_nodes = 1
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self.extra_args = [["-prune=1", "-fastprune"]]
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def run_test(self):
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node = self.nodes[0]
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self.log.info("Create a 2-block stale fork: parent has no transactions, child has transactions")
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[side_parent, side_child] = create_empty_fork(node, 2)
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node.submitheader(side_parent.serialize().hex())
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node.submitblock(side_child.serialize().hex())
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assert_equal(node.getblockheader(side_parent.hash_hex)["nTx"], 0)
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assert_equal(node.getblockheader(side_child.hash_hex)["nTx"], 1)
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self.log.info("Advance and prune so the stale-fork child's block data is removed from disk")
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self.generate(node, 500)
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node.pruneblockchain(node.getblockcount() - 100)
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assert_raises_rpc_error(-1, "Block not available (pruned data)", node.getblock, side_child.hash_hex)
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self.log.info("Restart and mine; node must reload cleanly after the stale-fork child was pruned")
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self.restart_node(0)
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self.generate(node, 1)
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if __name__ == '__main__':
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FeaturePruneStaleForkTest(__file__).main()
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