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66 lines
2.2 KiB
66 lines
2.2 KiB
1 month ago
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// Copyright 2024 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 pathdb
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import (
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"github.com/VictoriaMetrics/fastcache"
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"github.com/ethereum/go-ethereum/common"
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"github.com/ethereum/go-ethereum/core/rawdb"
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"github.com/ethereum/go-ethereum/ethdb"
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"github.com/ethereum/go-ethereum/trie/trienode"
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)
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// nodeCacheKey constructs the unique key of clean cache. The assumption is held
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// that zero address does not have any associated storage slots.
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func nodeCacheKey(owner common.Hash, path []byte) []byte {
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if owner == (common.Hash{}) {
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return path
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}
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return append(owner.Bytes(), path...)
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}
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// writeNodes writes the trie nodes into the provided database batch.
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// Note this function will also inject all the newly written nodes
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// into clean cache.
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func writeNodes(batch ethdb.Batch, nodes map[common.Hash]map[string]*trienode.Node, clean *fastcache.Cache) (total int) {
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for owner, subset := range nodes {
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for path, n := range subset {
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if n.IsDeleted() {
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if owner == (common.Hash{}) {
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rawdb.DeleteAccountTrieNode(batch, []byte(path))
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} else {
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rawdb.DeleteStorageTrieNode(batch, owner, []byte(path))
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}
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if clean != nil {
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clean.Del(nodeCacheKey(owner, []byte(path)))
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}
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} else {
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if owner == (common.Hash{}) {
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rawdb.WriteAccountTrieNode(batch, []byte(path), n.Blob)
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} else {
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rawdb.WriteStorageTrieNode(batch, owner, []byte(path), n.Blob)
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}
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if clean != nil {
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clean.Set(nodeCacheKey(owner, []byte(path)), n.Blob)
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}
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}
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}
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total += len(subset)
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}
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return total
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}
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