mirror of
https://gitlab.com/pulsechaincom/erigon-pulse.git
synced 2024-12-26 21:47:18 +00:00
468bd65109
* extract functions to different files * post-rebase fixups * stage v0 * add a log * better log entries * fixes in log messages * fix some stuff * review fixes * fix linters * pw as a variable * fix a test * add Byzantium check * batch save progress too
45 lines
1.2 KiB
Go
45 lines
1.2 KiB
Go
package state
|
|
|
|
import (
|
|
"github.com/ledgerwatch/turbo-geth/common"
|
|
"github.com/ledgerwatch/turbo-geth/common/dbutils"
|
|
"github.com/ledgerwatch/turbo-geth/ethdb"
|
|
)
|
|
|
|
type PreimageWriter struct {
|
|
db ethdb.GetterPutter
|
|
savePreimages bool
|
|
}
|
|
|
|
func (pw *PreimageWriter) SetSavePreimages(save bool) {
|
|
pw.savePreimages = save
|
|
}
|
|
|
|
func (pw *PreimageWriter) HashAddress(address common.Address, save bool) (common.Hash, error) {
|
|
addrHash, err := common.HashData(address[:])
|
|
if err != nil {
|
|
return common.Hash{}, err
|
|
}
|
|
return addrHash, pw.savePreimage(save, addrHash[:], address[:])
|
|
}
|
|
|
|
func (pw *PreimageWriter) HashKey(key *common.Hash, save bool) (common.Hash, error) {
|
|
keyHash, err := common.HashData(key[:])
|
|
if err != nil {
|
|
return common.Hash{}, err
|
|
}
|
|
return keyHash, pw.savePreimage(save, keyHash[:], key[:])
|
|
}
|
|
|
|
func (pw *PreimageWriter) savePreimage(save bool, hash []byte, preimage []byte) error {
|
|
if !save || !pw.savePreimages {
|
|
return nil
|
|
}
|
|
// Following check is to minimise the overwriting the same value of preimage
|
|
// in the database, which would cause extra write churn
|
|
if p, _ := pw.db.Get(dbutils.PreimagePrefix, hash); p != nil {
|
|
return nil
|
|
}
|
|
return pw.db.Put(dbutils.PreimagePrefix, hash, preimage)
|
|
}
|