mirror of
https://gitlab.com/pulsechaincom/erigon-pulse.git
synced 2024-12-24 20:47:16 +00:00
357 lines
10 KiB
Go
357 lines
10 KiB
Go
// Copyright 2016 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 eth implements the Ethereum protocol.
|
|
package eth
|
|
|
|
import (
|
|
"bytes"
|
|
"encoding/binary"
|
|
"fmt"
|
|
"math/big"
|
|
"time"
|
|
|
|
"github.com/ethereum/go-ethereum/common"
|
|
"github.com/ethereum/go-ethereum/core"
|
|
"github.com/ethereum/go-ethereum/core/types"
|
|
"github.com/ethereum/go-ethereum/ethdb"
|
|
"github.com/ethereum/go-ethereum/logger"
|
|
"github.com/ethereum/go-ethereum/logger/glog"
|
|
"github.com/ethereum/go-ethereum/rlp"
|
|
)
|
|
|
|
var useSequentialKeys = []byte("dbUpgrade_20160530sequentialKeys")
|
|
|
|
// upgradeSequentialKeys checks the chain database version and
|
|
// starts a background process to make upgrades if necessary.
|
|
// Returns a stop function that blocks until the process has
|
|
// been safely stopped.
|
|
func upgradeSequentialKeys(db ethdb.Database) (stopFn func()) {
|
|
data, _ := db.Get(useSequentialKeys)
|
|
if len(data) > 0 && data[0] == 42 {
|
|
return nil // already converted
|
|
}
|
|
|
|
if data, _ := db.Get([]byte("LastHeader")); len(data) == 0 {
|
|
db.Put(useSequentialKeys, []byte{42})
|
|
return nil // empty database, nothing to do
|
|
}
|
|
|
|
glog.V(logger.Info).Infof("Upgrading chain database to use sequential keys")
|
|
|
|
stopChn := make(chan struct{})
|
|
stoppedChn := make(chan struct{})
|
|
|
|
go func() {
|
|
stopFn := func() bool {
|
|
select {
|
|
case <-time.After(time.Microsecond * 100): // make sure other processes don't get starved
|
|
case <-stopChn:
|
|
return true
|
|
}
|
|
return false
|
|
}
|
|
|
|
err, stopped := upgradeSequentialCanonicalNumbers(db, stopFn)
|
|
if err == nil && !stopped {
|
|
err, stopped = upgradeSequentialBlocks(db, stopFn)
|
|
}
|
|
if err == nil && !stopped {
|
|
err, stopped = upgradeSequentialOrphanedReceipts(db, stopFn)
|
|
}
|
|
if err == nil && !stopped {
|
|
glog.V(logger.Info).Infof("Database conversion successful")
|
|
db.Put(useSequentialKeys, []byte{42})
|
|
}
|
|
if err != nil {
|
|
glog.V(logger.Error).Infof("Database conversion failed: %v", err)
|
|
}
|
|
close(stoppedChn)
|
|
}()
|
|
|
|
return func() {
|
|
close(stopChn)
|
|
<-stoppedChn
|
|
}
|
|
}
|
|
|
|
// upgradeSequentialCanonicalNumbers reads all old format canonical numbers from
|
|
// the database, writes them in new format and deletes the old ones if successful.
|
|
func upgradeSequentialCanonicalNumbers(db ethdb.Database, stopFn func() bool) (error, bool) {
|
|
prefix := []byte("block-num-")
|
|
it := db.(*ethdb.LDBDatabase).NewIterator()
|
|
defer func() {
|
|
it.Release()
|
|
}()
|
|
it.Seek(prefix)
|
|
cnt := 0
|
|
for bytes.HasPrefix(it.Key(), prefix) {
|
|
keyPtr := it.Key()
|
|
if len(keyPtr) < 20 {
|
|
cnt++
|
|
if cnt%100000 == 0 {
|
|
it.Release()
|
|
it = db.(*ethdb.LDBDatabase).NewIterator()
|
|
it.Seek(keyPtr)
|
|
glog.V(logger.Info).Infof("converting %d canonical numbers...", cnt)
|
|
}
|
|
number := big.NewInt(0).SetBytes(keyPtr[10:]).Uint64()
|
|
newKey := []byte("h12345678n")
|
|
binary.BigEndian.PutUint64(newKey[1:9], number)
|
|
if err := db.Put(newKey, it.Value()); err != nil {
|
|
return err, false
|
|
}
|
|
if err := db.Delete(keyPtr); err != nil {
|
|
return err, false
|
|
}
|
|
}
|
|
|
|
if stopFn() {
|
|
return nil, true
|
|
}
|
|
it.Next()
|
|
}
|
|
if cnt > 0 {
|
|
glog.V(logger.Info).Infof("converted %d canonical numbers...", cnt)
|
|
}
|
|
return nil, false
|
|
}
|
|
|
|
// upgradeSequentialBlocks reads all old format block headers, bodies, TDs and block
|
|
// receipts from the database, writes them in new format and deletes the old ones
|
|
// if successful.
|
|
func upgradeSequentialBlocks(db ethdb.Database, stopFn func() bool) (error, bool) {
|
|
prefix := []byte("block-")
|
|
it := db.(*ethdb.LDBDatabase).NewIterator()
|
|
defer func() {
|
|
it.Release()
|
|
}()
|
|
it.Seek(prefix)
|
|
cnt := 0
|
|
for bytes.HasPrefix(it.Key(), prefix) {
|
|
keyPtr := it.Key()
|
|
if len(keyPtr) >= 38 {
|
|
cnt++
|
|
if cnt%10000 == 0 {
|
|
it.Release()
|
|
it = db.(*ethdb.LDBDatabase).NewIterator()
|
|
it.Seek(keyPtr)
|
|
glog.V(logger.Info).Infof("converting %d blocks...", cnt)
|
|
}
|
|
// convert header, body, td and block receipts
|
|
var keyPrefix [38]byte
|
|
copy(keyPrefix[:], keyPtr[0:38])
|
|
hash := keyPrefix[6:38]
|
|
if err := upgradeSequentialBlockData(db, hash); err != nil {
|
|
return err, false
|
|
}
|
|
// delete old db entries belonging to this hash
|
|
for bytes.HasPrefix(it.Key(), keyPrefix[:]) {
|
|
if err := db.Delete(it.Key()); err != nil {
|
|
return err, false
|
|
}
|
|
it.Next()
|
|
}
|
|
if err := db.Delete(append([]byte("receipts-block-"), hash...)); err != nil {
|
|
return err, false
|
|
}
|
|
} else {
|
|
it.Next()
|
|
}
|
|
|
|
if stopFn() {
|
|
return nil, true
|
|
}
|
|
}
|
|
if cnt > 0 {
|
|
glog.V(logger.Info).Infof("converted %d blocks...", cnt)
|
|
}
|
|
return nil, false
|
|
}
|
|
|
|
// upgradeSequentialOrphanedReceipts removes any old format block receipts from the
|
|
// database that did not have a corresponding block
|
|
func upgradeSequentialOrphanedReceipts(db ethdb.Database, stopFn func() bool) (error, bool) {
|
|
prefix := []byte("receipts-block-")
|
|
it := db.(*ethdb.LDBDatabase).NewIterator()
|
|
defer it.Release()
|
|
it.Seek(prefix)
|
|
cnt := 0
|
|
for bytes.HasPrefix(it.Key(), prefix) {
|
|
// phase 2 already converted receipts belonging to existing
|
|
// blocks, just remove if there's anything left
|
|
cnt++
|
|
if err := db.Delete(it.Key()); err != nil {
|
|
return err, false
|
|
}
|
|
|
|
if stopFn() {
|
|
return nil, true
|
|
}
|
|
it.Next()
|
|
}
|
|
if cnt > 0 {
|
|
glog.V(logger.Info).Infof("removed %d orphaned block receipts...", cnt)
|
|
}
|
|
return nil, false
|
|
}
|
|
|
|
// upgradeSequentialBlockData upgrades the header, body, td and block receipts
|
|
// database entries belonging to a single hash (doesn't delete old data).
|
|
func upgradeSequentialBlockData(db ethdb.Database, hash []byte) error {
|
|
// get old chain data and block number
|
|
headerRLP, _ := db.Get(append(append([]byte("block-"), hash...), []byte("-header")...))
|
|
if len(headerRLP) == 0 {
|
|
return nil
|
|
}
|
|
header := new(types.Header)
|
|
if err := rlp.Decode(bytes.NewReader(headerRLP), header); err != nil {
|
|
return err
|
|
}
|
|
number := header.Number.Uint64()
|
|
bodyRLP, _ := db.Get(append(append([]byte("block-"), hash...), []byte("-body")...))
|
|
tdRLP, _ := db.Get(append(append([]byte("block-"), hash...), []byte("-td")...))
|
|
receiptsRLP, _ := db.Get(append([]byte("receipts-block-"), hash...))
|
|
// store new hash -> number association
|
|
encNum := make([]byte, 8)
|
|
binary.BigEndian.PutUint64(encNum, number)
|
|
if err := db.Put(append([]byte("H"), hash...), encNum); err != nil {
|
|
return err
|
|
}
|
|
// store new chain data
|
|
if err := db.Put(append(append([]byte("h"), encNum...), hash...), headerRLP); err != nil {
|
|
return err
|
|
}
|
|
if len(tdRLP) != 0 {
|
|
if err := db.Put(append(append(append([]byte("h"), encNum...), hash...), []byte("t")...), tdRLP); err != nil {
|
|
return err
|
|
}
|
|
}
|
|
if len(bodyRLP) != 0 {
|
|
if err := db.Put(append(append([]byte("b"), encNum...), hash...), bodyRLP); err != nil {
|
|
return err
|
|
}
|
|
}
|
|
if len(receiptsRLP) != 0 {
|
|
if err := db.Put(append(append([]byte("r"), encNum...), hash...), receiptsRLP); err != nil {
|
|
return err
|
|
}
|
|
}
|
|
return nil
|
|
}
|
|
|
|
// upgradeChainDatabase ensures that the chain database stores block split into
|
|
// separate header and body entries.
|
|
func upgradeChainDatabase(db ethdb.Database) error {
|
|
// Short circuit if the head block is stored already as separate header and body
|
|
data, err := db.Get([]byte("LastBlock"))
|
|
if err != nil {
|
|
return nil
|
|
}
|
|
head := common.BytesToHash(data)
|
|
|
|
if block := core.GetBlockByHashOld(db, head); block == nil {
|
|
return nil
|
|
}
|
|
// At least some of the database is still the old format, upgrade (skip the head block!)
|
|
glog.V(logger.Info).Info("Old database detected, upgrading...")
|
|
|
|
if db, ok := db.(*ethdb.LDBDatabase); ok {
|
|
blockPrefix := []byte("block-hash-")
|
|
for it := db.NewIterator(); it.Next(); {
|
|
// Skip anything other than a combined block
|
|
if !bytes.HasPrefix(it.Key(), blockPrefix) {
|
|
continue
|
|
}
|
|
// Skip the head block (merge last to signal upgrade completion)
|
|
if bytes.HasSuffix(it.Key(), head.Bytes()) {
|
|
continue
|
|
}
|
|
// Load the block, split and serialize (order!)
|
|
block := core.GetBlockByHashOld(db, common.BytesToHash(bytes.TrimPrefix(it.Key(), blockPrefix)))
|
|
|
|
if err := core.WriteTd(db, block.Hash(), block.NumberU64(), block.DeprecatedTd()); err != nil {
|
|
return err
|
|
}
|
|
if err := core.WriteBody(db, block.Hash(), block.NumberU64(), block.Body()); err != nil {
|
|
return err
|
|
}
|
|
if err := core.WriteHeader(db, block.Header()); err != nil {
|
|
return err
|
|
}
|
|
if err := db.Delete(it.Key()); err != nil {
|
|
return err
|
|
}
|
|
}
|
|
// Lastly, upgrade the head block, disabling the upgrade mechanism
|
|
current := core.GetBlockByHashOld(db, head)
|
|
|
|
if err := core.WriteTd(db, current.Hash(), current.NumberU64(), current.DeprecatedTd()); err != nil {
|
|
return err
|
|
}
|
|
if err := core.WriteBody(db, current.Hash(), current.NumberU64(), current.Body()); err != nil {
|
|
return err
|
|
}
|
|
if err := core.WriteHeader(db, current.Header()); err != nil {
|
|
return err
|
|
}
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func addMipmapBloomBins(db ethdb.Database) (err error) {
|
|
const mipmapVersion uint = 2
|
|
|
|
// check if the version is set. We ignore data for now since there's
|
|
// only one version so we can easily ignore it for now
|
|
var data []byte
|
|
data, _ = db.Get([]byte("setting-mipmap-version"))
|
|
if len(data) > 0 {
|
|
var version uint
|
|
if err := rlp.DecodeBytes(data, &version); err == nil && version == mipmapVersion {
|
|
return nil
|
|
}
|
|
}
|
|
|
|
defer func() {
|
|
if err == nil {
|
|
var val []byte
|
|
val, err = rlp.EncodeToBytes(mipmapVersion)
|
|
if err == nil {
|
|
err = db.Put([]byte("setting-mipmap-version"), val)
|
|
}
|
|
return
|
|
}
|
|
}()
|
|
latestHash := core.GetHeadBlockHash(db)
|
|
latestBlock := core.GetBlock(db, latestHash, core.GetBlockNumber(db, latestHash))
|
|
if latestBlock == nil { // clean database
|
|
return
|
|
}
|
|
|
|
tstart := time.Now()
|
|
glog.V(logger.Info).Infoln("upgrading db log bloom bins")
|
|
for i := uint64(0); i <= latestBlock.NumberU64(); i++ {
|
|
hash := core.GetCanonicalHash(db, i)
|
|
if (hash == common.Hash{}) {
|
|
return fmt.Errorf("chain db corrupted. Could not find block %d.", i)
|
|
}
|
|
core.WriteMipmapBloom(db, i, core.GetBlockReceipts(db, hash, i))
|
|
}
|
|
glog.V(logger.Info).Infoln("upgrade completed in", time.Since(tstart))
|
|
return nil
|
|
}
|