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core/state/snapshot: fix BAD BLOCK error when snapshot is generating #23635

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Merged
merged 3 commits into from
Oct 20, 2021
Merged

core/state/snapshot: fix BAD BLOCK error when snapshot is generating #23635

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d8a0093
core/state/snapshot: fix BAD BLOCK error when snapshot is generating
zzyalbert Sep 23, 2021
3f98d0e
core/state/snapshot: alternative fix for the snapshot generator
holiman Oct 19, 2021
7432f66
add comments and minor update
zzyalbert Oct 20, 2021
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9 changes: 9 additions & 0 deletions core/state/snapshot/generate.go
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Original file line number Diff line number Diff line change
Expand Up @@ -560,6 +560,15 @@ func (dl *diskLayer) generate(stats *generatorStats) {
default:
}
if batch.ValueSize() > ethdb.IdealBatchSize || abort != nil {
// currentLocation may lost its `storageHash` part, when currentLocation
// and dl.genMarker has the same `accountHash` part and abort generation
// before this function is firstly called in onAccount function,
// which will result in ignoring updating the storage snapshot of
// that `accountHash`, thus the value in the cache of diskLayer will be an old one.
if bytes.Compare(currentLocation, dl.genMarker) < 0 {
currentLocation = dl.genMarker
}

// Flush out the batch anyway no matter it's empty or not.
// It's possible that all the states are recovered and the
// generation indeed makes progress.
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