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cmd/geth, eth/downloader: remove copydb command (#22501)

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* cmd/geth: remove copydb command

* eth/downloader: remove fakepeer
This commit is contained in:
Martin Holst Swende 2021-03-15 15:25:45 +01:00 committed by GitHub
parent c6d45009f1
commit faacc8e0fa
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GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 0 additions and 243 deletions
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81
cmd/geth/chaincmd.go
View File

@ -28,14 +28,10 @@ import (
"github.com/ethereum/go-ethereum/cmd/utils"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/core"
"github.com/ethereum/go-ethereum/core/rawdb"
"github.com/ethereum/go-ethereum/core/state"
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/eth/downloader"
"github.com/ethereum/go-ethereum/event"
"github.com/ethereum/go-ethereum/log"
"github.com/ethereum/go-ethereum/metrics"
"github.com/ethereum/go-ethereum/trie"
"gopkg.in/urfave/cli.v1"
)
@ -150,27 +146,6 @@ be gzipped.`,
Category: "BLOCKCHAIN COMMANDS",
Description: `
The export-preimages command export hash preimages to an RLP encoded stream`,
}
copydbCommand = cli.Command{
Action: utils.MigrateFlags(copyDb),
Name: "copydb",
Usage: "Create a local chain from a target chaindata folder",
ArgsUsage: "<sourceChaindataDir>",
Flags: []cli.Flag{
utils.DataDirFlag,
utils.CacheFlag,
utils.SyncModeFlag,
utils.FakePoWFlag,
utils.MainnetFlag,
utils.RopstenFlag,
utils.RinkebyFlag,
utils.TxLookupLimitFlag,
utils.GoerliFlag,
utils.YoloV3Flag,
},
Category: "BLOCKCHAIN COMMANDS",
Description: `
The first argument must be the directory containing the blockchain to download from`,
}
dumpCommand = cli.Command{
Action: utils.MigrateFlags(dump),
@ -394,62 +369,6 @@ func exportPreimages(ctx *cli.Context) error {
return nil
}
func copyDb(ctx *cli.Context) error {
// Ensure we have a source chain directory to copy
if len(ctx.Args()) < 1 {
utils.Fatalf("Source chaindata directory path argument missing")
}
if len(ctx.Args()) < 2 {
utils.Fatalf("Source ancient chain directory path argument missing")
}
// Initialize a new chain for the running node to sync into
stack, _ := makeConfigNode(ctx)
defer stack.Close()
chain, chainDb := utils.MakeChain(ctx, stack, false)
syncMode := *utils.GlobalTextMarshaler(ctx, utils.SyncModeFlag.Name).(*downloader.SyncMode)
var syncBloom *trie.SyncBloom
if syncMode == downloader.FastSync {
syncBloom = trie.NewSyncBloom(uint64(ctx.GlobalInt(utils.CacheFlag.Name)/2), chainDb)
}
dl := downloader.New(0, chainDb, syncBloom, new(event.TypeMux), chain, nil, nil)
// Create a source peer to satisfy downloader requests from
db, err := rawdb.NewLevelDBDatabaseWithFreezer(ctx.Args().First(), ctx.GlobalInt(utils.CacheFlag.Name)/2, 256, ctx.Args().Get(1), "")
if err != nil {
return err
}
hc, err := core.NewHeaderChain(db, chain.Config(), chain.Engine(), func() bool { return false })
if err != nil {
return err
}
peer := downloader.NewFakePeer("local", db, hc, dl)
if err = dl.RegisterPeer("local", 63, peer); err != nil {
return err
}
// Synchronise with the simulated peer
start := time.Now()
currentHeader := hc.CurrentHeader()
if err = dl.Synchronise("local", currentHeader.Hash(), hc.GetTd(currentHeader.Hash(), currentHeader.Number.Uint64()), syncMode); err != nil {
return err
}
for dl.Synchronising() {
time.Sleep(10 * time.Millisecond)
}
fmt.Printf("Database copy done in %v\n", time.Since(start))
// Compact the entire database to remove any sync overhead
start = time.Now()
fmt.Println("Compacting entire database...")
if err = db.Compact(nil, nil); err != nil {
utils.Fatalf("Compaction failed: %v", err)
}
fmt.Printf("Compaction done in %v.\n\n", time.Since(start))
return nil
}
func dump(ctx *cli.Context) error {
stack, _ := makeConfigNode(ctx)
defer stack.Close()

1
cmd/geth/main.go
View File

@ -212,7 +212,6 @@ func init() {
exportCommand,
importPreimagesCommand,
exportPreimagesCommand,
copydbCommand,
removedbCommand,
dumpCommand,
dumpGenesisCommand,

161
eth/downloader/fakepeer.go
View File

@ -1,161 +0,0 @@
// Copyright 2017 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 downloader
import (
"math/big"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/core"
"github.com/ethereum/go-ethereum/core/rawdb"
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/ethdb"
)
// FakePeer is a mock downloader peer that operates on a local database instance
// instead of being an actual live node. It's useful for testing and to implement
// sync commands from an existing local database.
type FakePeer struct {
id string
db ethdb.Database
hc *core.HeaderChain
dl *Downloader
}
// NewFakePeer creates a new mock downloader peer with the given data sources.
func NewFakePeer(id string, db ethdb.Database, hc *core.HeaderChain, dl *Downloader) *FakePeer {
return &FakePeer{id: id, db: db, hc: hc, dl: dl}
}
// Head implements downloader.Peer, returning the current head hash and number
// of the best known header.
func (p *FakePeer) Head() (common.Hash, *big.Int) {
header := p.hc.CurrentHeader()
return header.Hash(), header.Number
}
// RequestHeadersByHash implements downloader.Peer, returning a batch of headers
// defined by the origin hash and the associated query parameters.
func (p *FakePeer) RequestHeadersByHash(hash common.Hash, amount int, skip int, reverse bool) error {
var (
headers []*types.Header
unknown bool
)
for !unknown && len(headers) < amount {
origin := p.hc.GetHeaderByHash(hash)
if origin == nil {
break
}
number := origin.Number.Uint64()
headers = append(headers, origin)
if reverse {
for i := 0; i <= skip; i++ {
if header := p.hc.GetHeader(hash, number); header != nil {
hash = header.ParentHash
number--
} else {
unknown = true
break
}
}
} else {
var (
current = origin.Number.Uint64()
next = current + uint64(skip) + 1
)
if header := p.hc.GetHeaderByNumber(next); header != nil {
if p.hc.GetBlockHashesFromHash(header.Hash(), uint64(skip+1))[skip] == hash {
hash = header.Hash()
} else {
unknown = true
}
} else {
unknown = true
}
}
}
p.dl.DeliverHeaders(p.id, headers)
return nil
}
// RequestHeadersByNumber implements downloader.Peer, returning a batch of headers
// defined by the origin number and the associated query parameters.
func (p *FakePeer) RequestHeadersByNumber(number uint64, amount int, skip int, reverse bool) error {
var (
headers []*types.Header
unknown bool
)
for !unknown && len(headers) < amount {
origin := p.hc.GetHeaderByNumber(number)
if origin == nil {
break
}
if reverse {
if number >= uint64(skip+1) {
number -= uint64(skip + 1)
} else {
unknown = true
}
} else {
number += uint64(skip + 1)
}
headers = append(headers, origin)
}
p.dl.DeliverHeaders(p.id, headers)
return nil
}
// RequestBodies implements downloader.Peer, returning a batch of block bodies
// corresponding to the specified block hashes.
func (p *FakePeer) RequestBodies(hashes []common.Hash) error {
var (
txs [][]*types.Transaction
uncles [][]*types.Header
)
for _, hash := range hashes {
block := rawdb.ReadBlock(p.db, hash, *p.hc.GetBlockNumber(hash))
txs = append(txs, block.Transactions())
uncles = append(uncles, block.Uncles())
}
p.dl.DeliverBodies(p.id, txs, uncles)
return nil
}
// RequestReceipts implements downloader.Peer, returning a batch of transaction
// receipts corresponding to the specified block hashes.
func (p *FakePeer) RequestReceipts(hashes []common.Hash) error {
var receipts [][]*types.Receipt
for _, hash := range hashes {
receipts = append(receipts, rawdb.ReadRawReceipts(p.db, hash, *p.hc.GetBlockNumber(hash)))
}
p.dl.DeliverReceipts(p.id, receipts)
return nil
}
// RequestNodeData implements downloader.Peer, returning a batch of state trie
// nodes corresponding to the specified trie hashes.
func (p *FakePeer) RequestNodeData(hashes []common.Hash) error {
var data [][]byte
for _, hash := range hashes {
if entry, err := p.db.Get(hash.Bytes()); err == nil {
data = append(data, entry)
}
}
p.dl.DeliverNodeData(p.id, data)
return nil
}