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core/rawdb: update comment

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This commit is contained in:
Felix Lange 2025-03-14 12:58:35 +01:00
parent 7824a0c56f
commit d9e3ce8aed
1 changed files with 8 additions and 7 deletions
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15
core/rawdb/freezer.go
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@ -301,9 +301,10 @@ func (f *Freezer) TruncateHead(items uint64) (uint64, error) {
return oitems, nil
}
// TruncateTailBlocks discards any recent data below the provided threshold number.
// Only truncates blocks and receipts.
func (f *Freezer) TruncateTailBlocks(tail uint64) (uint64, error) {
// TruncateTailBlocks discards all data below the provided threshold block number.
// This is intended to be used with the chain freezer. Unlike TruncateTail, it
// only truncates blocks and receipts, leaving the header table where it is.
func (f *Freezer) TruncateTailBlocks(tailBlock uint64) (uint64, error) {
if f.readonly {
return 0, errReadOnly
}
@ -311,21 +312,21 @@ func (f *Freezer) TruncateTailBlocks(tail uint64) (uint64, error) {
defer f.writeLock.Unlock()
old := f.tail.Load()
if old >= tail {
if old >= tailBlock {
return old, nil
}
for kind, table := range f.tables {
if kind == ChainFreezerBodiesTable || kind == ChainFreezerReceiptTable {
if err := table.truncateTail(tail); err != nil {
if err := table.truncateTail(tailBlock); err != nil {
return 0, err
}
}
}
f.tail.Store(tail)
f.tail.Store(tailBlock)
return old, nil
}
// TruncateTail discards any recent data below the provided threshold number.
// TruncateTail discards all data below the provided threshold number.
func (f *Freezer) TruncateTail(tail uint64) (uint64, error) {
if f.readonly {
return 0, errReadOnly