43 lines
1.5 KiB
Go
43 lines
1.5 KiB
Go
// Copyright 2015 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 state
|
|
|
|
import (
|
|
"bytes"
|
|
|
|
"github.com/ethereum/go-ethereum/common"
|
|
"github.com/ethereum/go-ethereum/ethdb"
|
|
"github.com/ethereum/go-ethereum/rlp"
|
|
"github.com/ethereum/go-ethereum/trie"
|
|
)
|
|
|
|
// NewStateSync create a new state trie download scheduler.
|
|
func NewStateSync(root common.Hash, database ethdb.KeyValueReader, bloom *trie.SyncBloom) *trie.Sync {
|
|
var syncer *trie.Sync
|
|
callback := func(leaf []byte, parent common.Hash) error {
|
|
var obj Account
|
|
if err := rlp.Decode(bytes.NewReader(leaf), &obj); err != nil {
|
|
return err
|
|
}
|
|
syncer.AddSubTrie(obj.Root, 64, parent, nil)
|
|
syncer.AddRawEntry(common.BytesToHash(obj.CodeHash), 64, parent)
|
|
return nil
|
|
}
|
|
syncer = trie.NewSync(root, database, callback, bloom)
|
|
return syncer
|
|
}
|