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More user-friendly error message if UTXO DB runs ahead of block DB

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This gives LoadChainTip a return value - allowing it to indicate that
the UTXO DB ran ahead of the block DB. This just provides a nicer
error message instead of the previous mysterious
assert(!setBlockIndexCandidates.empty()) error.

This also calls ActivateBestChain in case we just loaded the genesis
block in LoadChainTip, avoiding relying on the ActivateBestChain
in ThreadImport before continuing init process.
This commit is contained in:
Matt Corallo
2017-07-06 20:00:11 -04:00
parent eda888e573
commit b0f32497b8
3 changed files with 24 additions and 5 deletions
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10
src/init.cpp
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@@ -1442,7 +1442,15 @@ bool AppInitMain(boost::thread_group& threadGroup, CScheduler& scheduler)
break;
}
pcoinsTip = new CCoinsViewCache(pcoinscatcher);
LoadChainTip(chainparams);
if (!fReindex && !fReindexChainState) {
// LoadChainTip sets chainActive based on pcoinsTip's best block
if (!LoadChainTip(chainparams)) {
strLoadError = _("Error initializing block database");
break;
}
assert(chainActive.Tip() != NULL);
}
if (!fReindex && chainActive.Tip() != NULL) {
uiInterface.InitMessage(_("Rewinding blocks..."));