79 lines
		
	
	
		
			2.8 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			79 lines
		
	
	
		
			2.8 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
// 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)
 | 
						|
	}
 | 
						|
}
 |