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Merge bitcoin/bitcoin#29425: test: fix intermittent failure in wallet_reorgrestore.py

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44d11532f80705b790bc6e28df9a96ac54b25f9b test: fix intermittent failure in wallet_reorgrestore.py (Martin Zumsande)

Pull request description:

  By adding a missing `sync_blocks` call.
  There was a race at `node2` between connecting the block produced by `node0`, and using `-generate` to create new blocks itself. In the failed run, block generation started before connecting the block, resulting in a final block height that was smaller by 1 than expected.
  See https://github.com/bitcoin/bitcoin/issues/29392#issuecomment-1939541603 for a more detailed analysis of the failed run.

  Can be reproduced by adding a sleep to [this spot](6ff0aa089c/src/validation.cpp (L4217))  in `ChainstateManager::ProcessNewBlock()`:
  ```
  if (util::ThreadGetInternalName() == "msghand") {
      std::this_thread::sleep_for(0.2s);
  }
  ```
  which fails for me on master and succeeds with the fix.

  Fixes #29392

ACKs for top commit:
  maflcko:
    lgtm ACK 44d11532f80705b790bc6e28df9a96ac54b25f9b

Tree-SHA512: c08699e5ae348d4c0626022b519449d052f511d3f44601bcd8dac836a130a3f67fca149532e1e3690367ebfdcbcdd32e527170d039209c1f599ce861136ae29f
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fanquake 2024-02-13 09:40:22 -03:00 committed by pasta
parent b719883081
commit 3914745a10
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test/functional/wallet_reorgsrestore.py
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@ -44,6 +44,7 @@ class ReorgsRestoreTest(BitcoinTestFramework):
txid = self.nodes[0].sendtoaddress(self.nodes[0].getnewaddress(), Decimal("10"))
tx = self.nodes[0].gettransaction(txid)
self.generate(self.nodes[0], 4, sync_fun=self.no_op)
self.sync_blocks([self.nodes[0], self.nodes[2]])
tx_before_reorg = self.nodes[0].gettransaction(txid)
assert_equal(tx_before_reorg["confirmations"], 4)