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test/functional/feature_prune_stale_fork.py
39 строк
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marcofleon
test: Add coverage for m_blocks_unlinked invariant in LoadBlockIndex
12 май 2026, 14:56
12 май 2026, 14:56
3f44f9a
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#!/usr/bin/env python3 # Copyright (c) 2026-present The Bitcoin Core developers # Distributed under the MIT software license, see the accompanying # file COPYING or http://www.opensource.org/licenses/mit-license.php. """Test node restart with a pruned stale-fork block whose parent has no transactions.""" from test_framework.blocktools import create_empty_fork from test_framework.test_framework import BitcoinTestFramework from test_framework.util import assert_equal, assert_raises_rpc_error class FeaturePruneStaleForkTest(BitcoinTestFramework): def set_test_params(self): self.num_nodes = 1 self.extra_args = [["-prune=1", "-fastprune"]] def run_test(self): node = self.nodes[0] self.log.info("Create a 2-block stale fork: parent has no transactions, child has transactions") [side_parent, side_child] = create_empty_fork(node, 2) node.submitheader(side_parent.serialize().hex()) node.submitblock(side_child.serialize().hex()) assert_equal(node.getblockheader(side_parent.hash_hex)["nTx"], 0) assert_equal(node.getblockheader(side_child.hash_hex)["nTx"], 1) self.log.info("Advance and prune so the stale-fork child's block data is removed from disk") self.generate(node, 500) node.pruneblockchain(node.getblockcount() - 100) assert_raises_rpc_error(-1, "Block not available (pruned data)", node.getblock, side_child.hash_hex) self.log.info("Restart and mine; node must reload cleanly after the stale-fork child was pruned") self.restart_node(0) self.generate(node, 1) if __name__ == '__main__': FeaturePruneStaleForkTest(__file__).main()