forks/go-ethereum
1
0
Fork 1
mirror of https://github.com/ethereum/go-ethereum.git synced 2026-08-20 10:52:25 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

eth/downloader: disable trie database whenever state sync is launched

Browse source
This commit is contained in:
Gary Rong 2023-09-15 11:30:47 +08:00
parent 423a1e99f8
commit c57c3f2573
1 changed files with 8 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

9
eth/downloader/downloader.go
View file

@ -398,7 +398,14 @@ func (d *Downloader) synchronise(id string, hash common.Hash, td, ttd *big.Int,
log.Info("Block synchronisation started") log.Info("Block synchronisation started")
} }
if mode == SnapSync { if mode == SnapSync {
// Snap sync uses the snapshot namespace to store potentially flakey data until // Snap sync will directly modify the persistent state, making the entire
// trie database unusable until the state is fully synced. To prevent any
// subsequent state reads, explicitly disable the trie database and state
// syncer is responsible to address and correct any state missing.
if d.blockchain.TrieDB().Scheme() == rawdb.PathScheme {
d.blockchain.TrieDB().Reset(types.EmptyRootHash)
}
// Snap sync uses the snapshot namespace to store potentially flaky data until
// sync completely heals and finishes. Pause snapshot maintenance in the mean- // sync completely heals and finishes. Pause snapshot maintenance in the mean-
// time to prevent access. // time to prevent access.
if snapshots := d.blockchain.Snapshots(); snapshots != nil { // Only nil in tests if snapshots := d.blockchain.Snapshots(); snapshots != nil { // Only nil in tests