plugeth/core/rawdb/accessors_sync.go

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// Copyright 2022 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
package rawdb
import (
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/ethdb"
"github.com/ethereum/go-ethereum/log"
"github.com/ethereum/go-ethereum/rlp"
)
// ReadSkeletonSyncStatus retrieves the serialized sync status saved at shutdown.
func ReadSkeletonSyncStatus(db ethdb.KeyValueReader) []byte {
data, _ := db.Get(skeletonSyncStatusKey)
return data
}
// WriteSkeletonSyncStatus stores the serialized sync status to save at shutdown.
func WriteSkeletonSyncStatus(db ethdb.KeyValueWriter, status []byte) {
if err := db.Put(skeletonSyncStatusKey, status); err != nil {
log.Crit("Failed to store skeleton sync status", "err", err)
}
}
// DeleteSkeletonSyncStatus deletes the serialized sync status saved at the last
// shutdown
func DeleteSkeletonSyncStatus(db ethdb.KeyValueWriter) {
if err := db.Delete(skeletonSyncStatusKey); err != nil {
log.Crit("Failed to remove skeleton sync status", "err", err)
}
}
// ReadSkeletonHeader retrieves a block header from the skeleton sync store,
func ReadSkeletonHeader(db ethdb.KeyValueReader, number uint64) *types.Header {
data, _ := db.Get(skeletonHeaderKey(number))
if len(data) == 0 {
return nil
}
header := new(types.Header)
if err := rlp.DecodeBytes(data, header); err != nil {
log.Error("Invalid skeleton header RLP", "number", number, "err", err)
return nil
}
return header
}
// WriteSkeletonHeader stores a block header into the skeleton sync store.
func WriteSkeletonHeader(db ethdb.KeyValueWriter, header *types.Header) {
data, err := rlp.EncodeToBytes(header)
if err != nil {
log.Crit("Failed to RLP encode header", "err", err)
}
key := skeletonHeaderKey(header.Number.Uint64())
if err := db.Put(key, data); err != nil {
log.Crit("Failed to store skeleton header", "err", err)
}
}
// DeleteSkeletonHeader removes all block header data associated with a hash.
func DeleteSkeletonHeader(db ethdb.KeyValueWriter, number uint64) {
if err := db.Delete(skeletonHeaderKey(number)); err != nil {
log.Crit("Failed to delete skeleton header", "err", err)
}
}
const (
StateSyncUnknown = uint8(0) // flags the state snap sync is unknown
StateSyncRunning = uint8(1) // flags the state snap sync is not completed yet
StateSyncFinished = uint8(2) // flags the state snap sync is completed
)
// ReadSnapSyncStatusFlag retrieves the state snap sync status flag.
func ReadSnapSyncStatusFlag(db ethdb.KeyValueReader) uint8 {
blob, err := db.Get(snapSyncStatusFlagKey)
if err != nil || len(blob) != 1 {
return StateSyncUnknown
}
return blob[0]
}
// WriteSnapSyncStatusFlag stores the state snap sync status flag into database.
func WriteSnapSyncStatusFlag(db ethdb.KeyValueWriter, flag uint8) {
if err := db.Put(snapSyncStatusFlagKey, []byte{flag}); err != nil {
log.Crit("Failed to store sync status flag", "err", err)
}
}