mirror of
https://gitlab.com/pulsechaincom/erigon-pulse.git
synced 2024-12-25 04:57:17 +00:00
307 lines
8.2 KiB
Go
307 lines
8.2 KiB
Go
// Copyright 2014 The go-ethereum Authors
|
|
// This file is part of go-ethereum.
|
|
//
|
|
// go-ethereum is free software: you can redistribute it and/or modify
|
|
// it under the terms of the GNU General Public License as published by
|
|
// the Free Software Foundation, either version 3 of the License, or
|
|
// (at your option) any later version.
|
|
//
|
|
// go-ethereum 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 General Public License for more details.
|
|
//
|
|
// You should have received a copy of the GNU General Public License
|
|
// along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
// Package utils contains internal helper functions for go-ethereum commands.
|
|
package utils
|
|
|
|
import (
|
|
"compress/gzip"
|
|
"fmt"
|
|
"io"
|
|
"os"
|
|
"os/signal"
|
|
"runtime"
|
|
"strings"
|
|
"syscall"
|
|
|
|
"github.com/ledgerwatch/turbo-geth/common"
|
|
"github.com/ledgerwatch/turbo-geth/core"
|
|
"github.com/ledgerwatch/turbo-geth/core/rawdb"
|
|
"github.com/ledgerwatch/turbo-geth/core/types"
|
|
"github.com/ledgerwatch/turbo-geth/crypto"
|
|
"github.com/ledgerwatch/turbo-geth/ethdb"
|
|
"github.com/ledgerwatch/turbo-geth/internal/debug"
|
|
"github.com/ledgerwatch/turbo-geth/log"
|
|
"github.com/ledgerwatch/turbo-geth/node"
|
|
"github.com/ledgerwatch/turbo-geth/rlp"
|
|
)
|
|
|
|
const (
|
|
importBatchSize = 2500
|
|
)
|
|
|
|
// Fatalf formats a message to standard error and exits the program.
|
|
// The message is also printed to standard output if standard error
|
|
// is redirected to a different file.
|
|
func Fatalf(format string, args ...interface{}) {
|
|
w := io.MultiWriter(os.Stdout, os.Stderr)
|
|
if runtime.GOOS == "windows" {
|
|
// The SameFile check below doesn't work on Windows.
|
|
// stdout is unlikely to get redirected though, so just print there.
|
|
w = os.Stdout
|
|
} else {
|
|
outf, _ := os.Stdout.Stat()
|
|
errf, _ := os.Stderr.Stat()
|
|
if outf != nil && errf != nil && os.SameFile(outf, errf) {
|
|
w = os.Stderr
|
|
}
|
|
}
|
|
fmt.Fprintf(w, "Fatal: "+format+"\n", args...)
|
|
os.Exit(1)
|
|
}
|
|
|
|
func StartNode(stack *node.Node) {
|
|
if err := stack.Start(); err != nil {
|
|
Fatalf("Error starting protocol stack: %v", err)
|
|
}
|
|
go func() {
|
|
sigc := make(chan os.Signal, 1)
|
|
signal.Notify(sigc, syscall.SIGINT, syscall.SIGTERM)
|
|
defer signal.Stop(sigc)
|
|
<-sigc
|
|
log.Info("Got interrupt, shutting down...")
|
|
go stack.Stop()
|
|
for i := 10; i > 0; i-- {
|
|
<-sigc
|
|
if i > 1 {
|
|
log.Warn("Already shutting down, interrupt more to panic.", "times", i-1)
|
|
}
|
|
}
|
|
debug.Exit() // ensure trace and CPU profile data is flushed.
|
|
debug.LoudPanic("boom")
|
|
}()
|
|
}
|
|
|
|
func ImportChain(chain *core.BlockChain, fn string) error {
|
|
// Watch for Ctrl-C while the import is running.
|
|
// If a signal is received, the import will stop at the next batch.
|
|
interrupt := make(chan os.Signal, 1)
|
|
stop := make(chan struct{})
|
|
signal.Notify(interrupt, syscall.SIGINT, syscall.SIGTERM)
|
|
defer signal.Stop(interrupt)
|
|
defer close(interrupt)
|
|
go func() {
|
|
if _, ok := <-interrupt; ok {
|
|
log.Info("Interrupted during import, stopping at next batch")
|
|
}
|
|
close(stop)
|
|
}()
|
|
checkInterrupt := func() bool {
|
|
select {
|
|
case <-stop:
|
|
return true
|
|
default:
|
|
return false
|
|
}
|
|
}
|
|
|
|
log.Info("Importing blockchain", "file", fn)
|
|
|
|
// Open the file handle and potentially unwrap the gzip stream
|
|
fh, err := os.Open(fn)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
defer fh.Close()
|
|
|
|
var reader io.Reader = fh
|
|
if strings.HasSuffix(fn, ".gz") {
|
|
if reader, err = gzip.NewReader(reader); err != nil {
|
|
return err
|
|
}
|
|
}
|
|
stream := rlp.NewStream(reader, 0)
|
|
|
|
// Run actual the import.
|
|
blocks := make(types.Blocks, importBatchSize)
|
|
n := 0
|
|
for batch := 0; ; batch++ {
|
|
// Load a batch of RLP blocks.
|
|
if checkInterrupt() {
|
|
return fmt.Errorf("interrupted")
|
|
}
|
|
i := 0
|
|
for ; i < importBatchSize; i++ {
|
|
var b types.Block
|
|
if err := stream.Decode(&b); err == io.EOF {
|
|
break
|
|
} else if err != nil {
|
|
return fmt.Errorf("at block %d: %v", n, err)
|
|
}
|
|
// don't import first block
|
|
if b.NumberU64() == 0 {
|
|
i--
|
|
continue
|
|
}
|
|
blocks[i] = &b
|
|
n++
|
|
}
|
|
if i == 0 {
|
|
break
|
|
}
|
|
// Import the batch.
|
|
if checkInterrupt() {
|
|
return fmt.Errorf("interrupted")
|
|
}
|
|
missing := missingBlocks(chain, blocks[:i])
|
|
if len(missing) == 0 {
|
|
log.Info("Skipping batch as all blocks present", "batch", batch, "first", blocks[0].Hash(), "last", blocks[i-1].Hash())
|
|
continue
|
|
}
|
|
if _, err := chain.InsertChain(missing); err != nil {
|
|
return fmt.Errorf("invalid block %d: %v", n, err)
|
|
}
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func missingBlocks(chain *core.BlockChain, blocks []*types.Block) []*types.Block {
|
|
head := chain.CurrentBlock()
|
|
for i, block := range blocks {
|
|
// If we're behind the chain head, only check block, state is available at head
|
|
if head.NumberU64() > block.NumberU64() {
|
|
if !chain.HasBlock(block.Hash(), block.NumberU64()) {
|
|
return blocks[i:]
|
|
}
|
|
continue
|
|
}
|
|
// If we're above the chain head, state availability is a must
|
|
if !chain.HasBlockAndState(block.Hash(), block.NumberU64()) {
|
|
return blocks[i:]
|
|
}
|
|
}
|
|
return nil
|
|
}
|
|
|
|
// ExportChain exports a blockchain into the specified file, truncating any data
|
|
// already present in the file.
|
|
func ExportChain(blockchain *core.BlockChain, fn string) error {
|
|
log.Info("Exporting blockchain", "file", fn)
|
|
|
|
// Open the file handle and potentially wrap with a gzip stream
|
|
fh, err := os.OpenFile(fn, os.O_CREATE|os.O_WRONLY|os.O_TRUNC, os.ModePerm)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
defer fh.Close()
|
|
|
|
var writer io.Writer = fh
|
|
if strings.HasSuffix(fn, ".gz") {
|
|
writer = gzip.NewWriter(writer)
|
|
defer writer.(*gzip.Writer).Close()
|
|
}
|
|
// Iterate over the blocks and export them
|
|
if err := blockchain.Export(writer); err != nil {
|
|
return err
|
|
}
|
|
log.Info("Exported blockchain", "file", fn)
|
|
|
|
return nil
|
|
}
|
|
|
|
// ExportAppendChain exports a blockchain into the specified file, appending to
|
|
// the file if data already exists in it.
|
|
func ExportAppendChain(blockchain *core.BlockChain, fn string, first uint64, last uint64) error {
|
|
log.Info("Exporting blockchain", "file", fn)
|
|
|
|
// Open the file handle and potentially wrap with a gzip stream
|
|
fh, err := os.OpenFile(fn, os.O_CREATE|os.O_APPEND|os.O_WRONLY, os.ModePerm)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
defer fh.Close()
|
|
|
|
var writer io.Writer = fh
|
|
if strings.HasSuffix(fn, ".gz") {
|
|
writer = gzip.NewWriter(writer)
|
|
defer writer.(*gzip.Writer).Close()
|
|
}
|
|
// Iterate over the blocks and export them
|
|
if err := blockchain.ExportN(writer, first, last); err != nil {
|
|
return err
|
|
}
|
|
log.Info("Exported blockchain to", "file", fn)
|
|
return nil
|
|
}
|
|
|
|
// ImportPreimages imports a batch of exported hash preimages into the database.
|
|
func ImportPreimages(db rawdb.DatabaseWriter, fn string) error {
|
|
log.Info("Importing preimages", "file", fn)
|
|
|
|
// Open the file handle and potentially unwrap the gzip stream
|
|
fh, err := os.Open(fn)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
defer fh.Close()
|
|
|
|
var reader io.Reader = fh
|
|
if strings.HasSuffix(fn, ".gz") {
|
|
if reader, err = gzip.NewReader(reader); err != nil {
|
|
return err
|
|
}
|
|
}
|
|
stream := rlp.NewStream(reader, 0)
|
|
|
|
// Import the preimages in batches to prevent disk trashing
|
|
preimages := make(map[common.Hash][]byte)
|
|
|
|
for {
|
|
// Read the next entry and ensure it's not junk
|
|
var blob []byte
|
|
|
|
if err := stream.Decode(&blob); err != nil {
|
|
if err == io.EOF {
|
|
break
|
|
}
|
|
return err
|
|
}
|
|
// Accumulate the preimages and flush when enough ws gathered
|
|
preimages[crypto.Keccak256Hash(blob)] = common.CopyBytes(blob)
|
|
if len(preimages) > 1024 {
|
|
rawdb.WritePreimages(db, preimages)
|
|
preimages = make(map[common.Hash][]byte)
|
|
}
|
|
}
|
|
// Flush the last batch preimage data
|
|
if len(preimages) > 0 {
|
|
rawdb.WritePreimages(db, preimages)
|
|
}
|
|
return nil
|
|
}
|
|
|
|
// ExportPreimages exports all known hash preimages into the specified file,
|
|
// truncating any data already present in the file.
|
|
func ExportPreimages(db ethdb.Database, fn string) error {
|
|
log.Info("Exporting preimages", "file", fn)
|
|
|
|
// Open the file handle and potentially wrap with a gzip stream
|
|
fh, err := os.OpenFile(fn, os.O_CREATE|os.O_WRONLY|os.O_TRUNC, os.ModePerm)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
defer fh.Close()
|
|
|
|
var writer io.Writer = fh
|
|
if strings.HasSuffix(fn, ".gz") {
|
|
writer = gzip.NewWriter(writer)
|
|
defer writer.(*gzip.Writer).Close()
|
|
}
|
|
|
|
log.Info("Exported preimages", "file", fn)
|
|
return nil
|
|
}
|