erigon-pulse/turbo/snapshotsync/snap/flags.go
2022-06-03 09:38:10 +01:00

44 lines
1.0 KiB
Go

package snap
import (
"github.com/ledgerwatch/erigon-lib/kv"
"github.com/ledgerwatch/erigon/eth/ethconfig"
)
var (
blockSnapshotEnabledKey = []byte("blocksSnapshotEnabled")
)
func Enabled(tx kv.Getter) (bool, error) {
return kv.GetBool(tx, kv.DatabaseInfo, blockSnapshotEnabledKey)
}
func EnsureNotChanged(tx kv.GetPut, cfg ethconfig.Snapshot) (bool, ethconfig.SyncMode, error) {
ok, v, err := kv.EnsureNotChangedBool(tx, kv.DatabaseInfo, blockSnapshotEnabledKey, cfg.Enabled)
if err != nil {
return false, "", err
}
if !ok {
if v {
return false, ethconfig.SnapSync, nil
} else {
return false, ethconfig.FullSync, nil
}
}
return true, "", nil
}
// ForceSetFlags - if you know what you are doing
func ForceSetFlags(tx kv.GetPut, cfg ethconfig.Snapshot) error {
if cfg.Enabled {
if err := tx.Put(kv.DatabaseInfo, blockSnapshotEnabledKey, []byte{1}); err != nil {
return err
}
} else {
if err := tx.Put(kv.DatabaseInfo, blockSnapshotEnabledKey, []byte{0}); err != nil {
return err
}
}
return nil
}