v2.0: Check poh_recorder.start_slot() hasn't been dumped previously before checking it in ProgressMap. (backport of #2676) #2691
+146
−5
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Problem
It's possible that poh_recorder.start_slot() has been dumped because of duplicate proof, in that case we would currently panic inside ProgressMap::get_propagated_stats_must_exist()
Summary of Changes
Check that start_slot still exists in ProgressMap before proceeding.
This is an automatic backport of pull request #2676 done by Mergify.