[BugFix] fix "not updating GUI balance" race condition. #2379
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furszy
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The problem arises when we trigger the balance update worker task and the chain tip changes (due a reorg) before one of the threadpool's threads start executing the update task. As the tip in this situation has the same height that the one cached inside the model, the `processBalanceChangeInternal` returns true without setting the processing flag to false again. Blocking every future balance update.
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Jun 18, 2021
The problem arises when we trigger the balance update worker task and the chain tip changes (due a reorg) before one of the threadpool's threads start executing the update task. As the tip in this situation has the same height that the one cached inside the model, the `processBalanceChangeInternal` returns true without setting the processing flag to false again. Blocking every future balance update. Github-Pull: bitcoin#2379 Rebased-From: fbda4d2
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3344fb3 [CI] Remove Ubuntu 16.04 from GA workflow, has been deprecated by GA and will be removed on September 20, 2021. (furszy) b5a8638 [GUI] Cleanup compiler warnings in qtutils.h/cpp (furszy) 73b56e9 [GUI] Fix invisible text due an invalid transparent selection color. (furszy) df5d820 budget: fixing a possible race condition that could cause a good peer being banned. (furszy) a5fd073 Fix minimize and close bugs (furszy) b516e36 depends: update Qt 5.9 source url (Kittywhiskers Van Gogh) 18f4b4a BugFix: fix not updating GUI balance race condition. (furszy) 2c923ed scripted-diff: Replace 'NULL' with 'nullptr' in guiutil.cpp (random-zebra) 7b8b23a Fix memory leaks in qt/guiutil.cpp (Dan Raviv) cbd5c78 Add search option to My Addresses list in receive widget (Volodia) 0dcbea2 [build] depends macOS: point --sysroot to SDK (Sjors Provoost) 3b542fc [Doc] remove old gitian keys. (furszy) 0f099e8 [GUI] Generate FAQ answer content programmatically (Fuzzbawls) 8483861 qt:Show the entire Window when double clicking on taskbar (ken2812221) 998c7e8 [GUI] fix QT 5.15 `currentIndexChanged(QString)` deprecated method call. (furszy) Pull request description: List of straightforward PRs back ported from v6.0 into the v5.2 branch (ordered by merge date). * #2259. * #2260. * #2348 * #2350 * #2353 * #2305 * #2374 * #2379 * #2384 * #2377 * #2395 * #2401 * #2413 ACKs for top commit: random-zebra: utACK 3344fb3 Fuzzbawls: utACK 3344fb3 Tree-SHA512: 4317e83d4c1228b8ae20dc1bc5c8e43ac87598d4d9d9244fdd032f2a0c5eccd1a7ed27bc29094c7411dd653b187c728ab31d732ea686abda15228920a390e4e1
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The problem arises when the model triggers the balance update task and the chain tip changes (due a reorg) before one of the threadpool's threads starts executing the job. As the tip, in this situation, has the same height that the one cached inside the model, the
processBalanceChangeInternalreturns true even when the balance update wasn't executed, which never sets the processing flag to false again, blocking every future balance update.Solves #2371.