forked from cerc-io/plugeth
59f7b289c3
The clean trie cache is persisted periodically, therefore Geth can quickly warmup the cache in next restart. However it will reduce the robustness of system. The assumption is held in Geth that if the parent trie node is present, then the entire sub-trie associated with the parent are all prensent. Imagine the scenario that Geth rewinds itself to a past block and restart, but Geth finds the root node of "future state" in clean cache then regard this state is present in disk, while is not in fact. Another example is offline pruning tool. Whenever an offline pruning is performed, the clean cache file has to be removed to aviod hitting the root node of "deleted states" in clean cache. All in all, compare with the minor performance gain, system robustness is something we care more.
72 lines
2.3 KiB
Go
72 lines
2.3 KiB
Go
// Copyright 2020 The go-ethereum Authors
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// This file is part of go-ethereum.
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//
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// go-ethereum is free software: you can redistribute it and/or modify
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// it under the terms of the GNU 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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// go-ethereum 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 General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
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package utils
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import (
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"fmt"
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"github.com/ethereum/go-ethereum/internal/flags"
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"github.com/urfave/cli/v2"
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)
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var ShowDeprecated = &cli.Command{
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Action: showDeprecated,
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Name: "show-deprecated-flags",
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Usage: "Show flags that have been deprecated",
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ArgsUsage: " ",
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Description: "Show flags that have been deprecated and will soon be removed",
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}
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var DeprecatedFlags = []cli.Flag{
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NoUSBFlag,
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CacheTrieJournalFlag,
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CacheTrieRejournalFlag,
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}
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var (
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// (Deprecated May 2020, shown in aliased flags section)
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NoUSBFlag = &cli.BoolFlag{
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Name: "nousb",
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Usage: "Disables monitoring for and managing USB hardware wallets (deprecated)",
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Category: flags.DeprecatedCategory,
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}
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// (Deprecated June 2023, shown in aliased flags section)
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CacheTrieJournalFlag = &cli.StringFlag{
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Name: "cache.trie.journal",
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Usage: "Disk journal directory for trie cache to survive node restarts",
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Category: flags.PerfCategory,
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}
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CacheTrieRejournalFlag = &cli.DurationFlag{
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Name: "cache.trie.rejournal",
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Usage: "Time interval to regenerate the trie cache journal",
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Category: flags.PerfCategory,
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}
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)
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// showDeprecated displays deprecated flags that will be soon removed from the codebase.
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func showDeprecated(*cli.Context) error {
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fmt.Println("--------------------------------------------------------------------")
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fmt.Println("The following flags are deprecated and will be removed in the future!")
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fmt.Println("--------------------------------------------------------------------")
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fmt.Println()
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for _, flag := range DeprecatedFlags {
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fmt.Println(flag.String())
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}
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fmt.Println()
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return nil
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}
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