test: fix intermittent failure in wallet_reorgrestore.py #29425

1. 
   mzumsande commented at 8:45 pm on February 12, 2024: contributor

   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 #29392 (comment) for a more detailed analysis of the failed run.

   Can be reproduced by adding a sleep to this spot in ChainstateManager::ProcessNewBlock():

   0if (util::ThreadGetInternalName() == "msghand") {
   1    std::this_thread::sleep_for(0.2s);
   2}
   

   which fails for me on master and succeeds with the fix.

   Fixes #29392

2. test: fix intermittent failure in wallet_reorgrestore.py

   ...by adding a missing sync_blocks call.
   There was a race at node2 between connecting the block
   produced by node 0, and using -generate to create new blocks
   itself. In the failed run, the latter happened first,
   resulting in a final block height that was smaller by 1 than
   expected.

   44d11532f8
3. 
   DrahtBot commented at 8:45 pm on February 12, 2024: contributor

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4. DrahtBot added the label Tests on Feb 12, 2024
5. 
   maflcko commented at 8:59 am on February 13, 2024: member

   Thanks!

   lgtm ACK 44d11532f80705b790bc6e28df9a96ac54b25f9b

6. maflcko added this to the milestone 27.0 on Feb 13, 2024
7. fanquake merged this on Feb 13, 2024
8. fanquake closed this on Feb 13, 2024

   ---

9. mzumsande deleted the branch on Feb 29, 2024

Contributors
mzumsande DrahtBot maflcko

Labels
Tests

Milestone
27.0