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da20785685
Former-commit-id: 23f542f43b4b493e38f5aa4c29788ed93a63b43b [formerly 71b23a6a28eb045fcfeab6329de69f1e5455486b] Former-commit-id: d12b3a6decc876f010a71f98e11df7387c1aaf2a
42 lines
1.4 KiB
Go
42 lines
1.4 KiB
Go
// Copyright 2015 The go-ethereum Authors
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// This file is part of the go-ethereum library.
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//
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// The go-ethereum library is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// The go-ethereum library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
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package state
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import (
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"bytes"
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"github.com/ethereum/go-ethereum/common"
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"github.com/ethereum/go-ethereum/rlp"
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"github.com/ethereum/go-ethereum/trie"
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)
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// NewStateSync create a new state trie download scheduler.
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func NewStateSync(root common.Hash, database trie.DatabaseReader) *trie.TrieSync {
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var syncer *trie.TrieSync
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callback := func(leaf []byte, parent common.Hash) error {
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var obj Account
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if err := rlp.Decode(bytes.NewReader(leaf), &obj); err != nil {
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return err
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}
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syncer.AddSubTrie(obj.Root, 64, parent, nil)
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syncer.AddRawEntry(common.BytesToHash(obj.CodeHash), 64, parent)
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return nil
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}
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syncer = trie.NewTrieSync(root, database, callback)
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return syncer
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}
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