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core, ethdb: fix a flaw in SetHeadWithTimestamp

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This commit is contained in:
Gary Rong 2025-04-30 08:59:41 +08:00
parent 546af1adc1
commit cbd8ffcc3a
2 changed files with 7 additions and 3 deletions
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8
core/headerchain.go
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@ -625,8 +625,12 @@ func (hc *HeaderChain) setHead(headBlock uint64, headTime uint64, updateFn Updat
if delFn != nil { if delFn != nil {
// Ignore the error here since light client won't hit this path // Ignore the error here since light client won't hit this path
frozen, _ := hc.chainDb.Ancients() frozen, _ := hc.chainDb.Ancients()
if headBlock+1 < frozen { header := hc.CurrentHeader()
_, err := hc.chainDb.TruncateHead(headBlock + 1)
// Truncate the excessive chain segment above the current chain head
// in the ancient store.
if header.Number.Uint64()+1 < frozen {
_, err := hc.chainDb.TruncateHead(header.Number.Uint64() + 1)
if err != nil { if err != nil {
log.Crit("Failed to truncate head block", "err", err) log.Crit("Failed to truncate head block", "err", err)
} }

2
ethdb/database.go
View file

@ -57,7 +57,7 @@ type KeyValueStater interface {
Stat() (string, error) Stat() (string, error)
} }
// KeyValueSyncer wraps the Sync method of a backing data store. // KeyValueSyncer wraps the SyncKeyValue method of a backing data store.
type KeyValueSyncer interface { type KeyValueSyncer interface {
// SyncKeyValue ensures that all pending writes are flushed to disk, // SyncKeyValue ensures that all pending writes are flushed to disk,
// guaranteeing data durability up to the point. // guaranteeing data durability up to the point.