355 lines
14 KiB
Go
355 lines
14 KiB
Go
// Copyright 2018 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 rawdb
|
|
|
|
import (
|
|
"bytes"
|
|
"errors"
|
|
"fmt"
|
|
"os"
|
|
"time"
|
|
|
|
"github.com/ethereum/go-ethereum/common"
|
|
"github.com/ethereum/go-ethereum/ethdb"
|
|
"github.com/ethereum/go-ethereum/ethdb/leveldb"
|
|
"github.com/ethereum/go-ethereum/ethdb/memorydb"
|
|
"github.com/ethereum/go-ethereum/log"
|
|
"github.com/olekukonko/tablewriter"
|
|
)
|
|
|
|
// freezerdb is a database wrapper that enabled freezer data retrievals.
|
|
type freezerdb struct {
|
|
ethdb.KeyValueStore
|
|
ethdb.AncientStore
|
|
}
|
|
|
|
// Close implements io.Closer, closing both the fast key-value store as well as
|
|
// the slow ancient tables.
|
|
func (frdb *freezerdb) Close() error {
|
|
var errs []error
|
|
if err := frdb.KeyValueStore.Close(); err != nil {
|
|
errs = append(errs, err)
|
|
}
|
|
if err := frdb.AncientStore.Close(); err != nil {
|
|
errs = append(errs, err)
|
|
}
|
|
if len(errs) != 0 {
|
|
return fmt.Errorf("%v", errs)
|
|
}
|
|
return nil
|
|
}
|
|
|
|
// nofreezedb is a database wrapper that disables freezer data retrievals.
|
|
type nofreezedb struct {
|
|
ethdb.KeyValueStore
|
|
}
|
|
|
|
// HasAncient returns an error as we don't have a backing chain freezer.
|
|
func (db *nofreezedb) HasAncient(kind string, number uint64) (bool, error) {
|
|
return false, errNotSupported
|
|
}
|
|
|
|
// Ancient returns an error as we don't have a backing chain freezer.
|
|
func (db *nofreezedb) Ancient(kind string, number uint64) ([]byte, error) {
|
|
return nil, errNotSupported
|
|
}
|
|
|
|
// Ancients returns an error as we don't have a backing chain freezer.
|
|
func (db *nofreezedb) Ancients() (uint64, error) {
|
|
return 0, errNotSupported
|
|
}
|
|
|
|
// AncientSize returns an error as we don't have a backing chain freezer.
|
|
func (db *nofreezedb) AncientSize(kind string) (uint64, error) {
|
|
return 0, errNotSupported
|
|
}
|
|
|
|
// AppendAncient returns an error as we don't have a backing chain freezer.
|
|
func (db *nofreezedb) AppendAncient(number uint64, hash, header, body, receipts, td []byte) error {
|
|
return errNotSupported
|
|
}
|
|
|
|
// TruncateAncients returns an error as we don't have a backing chain freezer.
|
|
func (db *nofreezedb) TruncateAncients(items uint64) error {
|
|
return errNotSupported
|
|
}
|
|
|
|
// Sync returns an error as we don't have a backing chain freezer.
|
|
func (db *nofreezedb) Sync() error {
|
|
return errNotSupported
|
|
}
|
|
|
|
// NewDatabase creates a high level database on top of a given key-value data
|
|
// store without a freezer moving immutable chain segments into cold storage.
|
|
func NewDatabase(db ethdb.KeyValueStore) ethdb.Database {
|
|
return &nofreezedb{
|
|
KeyValueStore: db,
|
|
}
|
|
}
|
|
|
|
// NewDatabaseWithFreezer creates a high level database on top of a given key-
|
|
// value data store with a freezer moving immutable chain segments into cold
|
|
// storage.
|
|
func NewDatabaseWithFreezer(db ethdb.KeyValueStore, freezer string, namespace string) (ethdb.Database, error) {
|
|
// Create the idle freezer instance
|
|
frdb, err := newFreezer(freezer, namespace)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
// Since the freezer can be stored separately from the user's key-value database,
|
|
// there's a fairly high probability that the user requests invalid combinations
|
|
// of the freezer and database. Ensure that we don't shoot ourselves in the foot
|
|
// by serving up conflicting data, leading to both datastores getting corrupted.
|
|
//
|
|
// - If both the freezer and key-value store is empty (no genesis), we just
|
|
// initialized a new empty freezer, so everything's fine.
|
|
// - If the key-value store is empty, but the freezer is not, we need to make
|
|
// sure the user's genesis matches the freezer. That will be checked in the
|
|
// blockchain, since we don't have the genesis block here (nor should we at
|
|
// this point care, the key-value/freezer combo is valid).
|
|
// - If neither the key-value store nor the freezer is empty, cross validate
|
|
// the genesis hashes to make sure they are compatible. If they are, also
|
|
// ensure that there's no gap between the freezer and sunsequently leveldb.
|
|
// - If the key-value store is not empty, but the freezer is we might just be
|
|
// upgrading to the freezer release, or we might have had a small chain and
|
|
// not frozen anything yet. Ensure that no blocks are missing yet from the
|
|
// key-value store, since that would mean we already had an old freezer.
|
|
|
|
// If the genesis hash is empty, we have a new key-value store, so nothing to
|
|
// validate in this method. If, however, the genesis hash is not nil, compare
|
|
// it to the freezer content.
|
|
if kvgenesis, _ := db.Get(headerHashKey(0)); len(kvgenesis) > 0 {
|
|
if frozen, _ := frdb.Ancients(); frozen > 0 {
|
|
// If the freezer already contains something, ensure that the genesis blocks
|
|
// match, otherwise we might mix up freezers across chains and destroy both
|
|
// the freezer and the key-value store.
|
|
if frgenesis, _ := frdb.Ancient(freezerHashTable, 0); !bytes.Equal(kvgenesis, frgenesis) {
|
|
return nil, fmt.Errorf("genesis mismatch: %#x (leveldb) != %#x (ancients)", kvgenesis, frgenesis)
|
|
}
|
|
// Key-value store and freezer belong to the same network. Ensure that they
|
|
// are contiguous, otherwise we might end up with a non-functional freezer.
|
|
if kvhash, _ := db.Get(headerHashKey(frozen)); len(kvhash) == 0 {
|
|
// Subsequent header after the freezer limit is missing from the database.
|
|
// Reject startup is the database has a more recent head.
|
|
if *ReadHeaderNumber(db, ReadHeadHeaderHash(db)) > frozen-1 {
|
|
return nil, fmt.Errorf("gap (#%d) in the chain between ancients and leveldb", frozen)
|
|
}
|
|
// Database contains only older data than the freezer, this happens if the
|
|
// state was wiped and reinited from an existing freezer.
|
|
}
|
|
// Otherwise, key-value store continues where the freezer left off, all is fine.
|
|
// We might have duplicate blocks (crash after freezer write but before key-value
|
|
// store deletion, but that's fine).
|
|
} else {
|
|
// If the freezer is empty, ensure nothing was moved yet from the key-value
|
|
// store, otherwise we'll end up missing data. We check block #1 to decide
|
|
// if we froze anything previously or not, but do take care of databases with
|
|
// only the genesis block.
|
|
if ReadHeadHeaderHash(db) != common.BytesToHash(kvgenesis) {
|
|
// Key-value store contains more data than the genesis block, make sure we
|
|
// didn't freeze anything yet.
|
|
if kvblob, _ := db.Get(headerHashKey(1)); len(kvblob) == 0 {
|
|
return nil, errors.New("ancient chain segments already extracted, please set --datadir.ancient to the correct path")
|
|
}
|
|
// Block #1 is still in the database, we're allowed to init a new feezer
|
|
}
|
|
// Otherwise, the head header is still the genesis, we're allowed to init a new
|
|
// feezer.
|
|
}
|
|
}
|
|
// Freezer is consistent with the key-value database, permit combining the two
|
|
go frdb.freeze(db)
|
|
|
|
return &freezerdb{
|
|
KeyValueStore: db,
|
|
AncientStore: frdb,
|
|
}, nil
|
|
}
|
|
|
|
// NewMemoryDatabase creates an ephemeral in-memory key-value database without a
|
|
// freezer moving immutable chain segments into cold storage.
|
|
func NewMemoryDatabase() ethdb.Database {
|
|
return NewDatabase(memorydb.New())
|
|
}
|
|
|
|
// NewMemoryDatabaseWithCap creates an ephemeral in-memory key-value database
|
|
// with an initial starting capacity, but without a freezer moving immutable
|
|
// chain segments into cold storage.
|
|
func NewMemoryDatabaseWithCap(size int) ethdb.Database {
|
|
return NewDatabase(memorydb.NewWithCap(size))
|
|
}
|
|
|
|
// NewLevelDBDatabase creates a persistent key-value database without a freezer
|
|
// moving immutable chain segments into cold storage.
|
|
func NewLevelDBDatabase(file string, cache int, handles int, namespace string) (ethdb.Database, error) {
|
|
db, err := leveldb.New(file, cache, handles, namespace)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
return NewDatabase(db), nil
|
|
}
|
|
|
|
// NewLevelDBDatabaseWithFreezer creates a persistent key-value database with a
|
|
// freezer moving immutable chain segments into cold storage.
|
|
func NewLevelDBDatabaseWithFreezer(file string, cache int, handles int, freezer string, namespace string) (ethdb.Database, error) {
|
|
kvdb, err := leveldb.New(file, cache, handles, namespace)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
frdb, err := NewDatabaseWithFreezer(kvdb, freezer, namespace)
|
|
if err != nil {
|
|
kvdb.Close()
|
|
return nil, err
|
|
}
|
|
return frdb, nil
|
|
}
|
|
|
|
// InspectDatabase traverses the entire database and checks the size
|
|
// of all different categories of data.
|
|
func InspectDatabase(db ethdb.Database) error {
|
|
it := db.NewIterator()
|
|
defer it.Release()
|
|
|
|
var (
|
|
count int64
|
|
start = time.Now()
|
|
logged = time.Now()
|
|
|
|
// Key-value store statistics
|
|
total common.StorageSize
|
|
headerSize common.StorageSize
|
|
bodySize common.StorageSize
|
|
receiptSize common.StorageSize
|
|
tdSize common.StorageSize
|
|
numHashPairing common.StorageSize
|
|
hashNumPairing common.StorageSize
|
|
trieSize common.StorageSize
|
|
txlookupSize common.StorageSize
|
|
preimageSize common.StorageSize
|
|
bloomBitsSize common.StorageSize
|
|
cliqueSnapsSize common.StorageSize
|
|
|
|
// Ancient store statistics
|
|
ancientHeaders common.StorageSize
|
|
ancientBodies common.StorageSize
|
|
ancientReceipts common.StorageSize
|
|
ancientHashes common.StorageSize
|
|
ancientTds common.StorageSize
|
|
|
|
// Les statistic
|
|
chtTrieNodes common.StorageSize
|
|
bloomTrieNodes common.StorageSize
|
|
|
|
// Meta- and unaccounted data
|
|
metadata common.StorageSize
|
|
unaccounted common.StorageSize
|
|
)
|
|
// Inspect key-value database first.
|
|
for it.Next() {
|
|
var (
|
|
key = it.Key()
|
|
size = common.StorageSize(len(key) + len(it.Value()))
|
|
)
|
|
total += size
|
|
switch {
|
|
case bytes.HasPrefix(key, headerPrefix) && bytes.HasSuffix(key, headerTDSuffix):
|
|
tdSize += size
|
|
case bytes.HasPrefix(key, headerPrefix) && bytes.HasSuffix(key, headerHashSuffix):
|
|
numHashPairing += size
|
|
case bytes.HasPrefix(key, headerPrefix) && len(key) == (len(headerPrefix)+8+common.HashLength):
|
|
headerSize += size
|
|
case bytes.HasPrefix(key, headerNumberPrefix) && len(key) == (len(headerNumberPrefix)+common.HashLength):
|
|
hashNumPairing += size
|
|
case bytes.HasPrefix(key, blockBodyPrefix) && len(key) == (len(blockBodyPrefix)+8+common.HashLength):
|
|
bodySize += size
|
|
case bytes.HasPrefix(key, blockReceiptsPrefix) && len(key) == (len(blockReceiptsPrefix)+8+common.HashLength):
|
|
receiptSize += size
|
|
case bytes.HasPrefix(key, txLookupPrefix) && len(key) == (len(txLookupPrefix)+common.HashLength):
|
|
txlookupSize += size
|
|
case bytes.HasPrefix(key, preimagePrefix) && len(key) == (len(preimagePrefix)+common.HashLength):
|
|
preimageSize += size
|
|
case bytes.HasPrefix(key, bloomBitsPrefix) && len(key) == (len(bloomBitsPrefix)+10+common.HashLength):
|
|
bloomBitsSize += size
|
|
case bytes.HasPrefix(key, []byte("clique-")) && len(key) == 7+common.HashLength:
|
|
cliqueSnapsSize += size
|
|
case bytes.HasPrefix(key, []byte("cht-")) && len(key) == 4+common.HashLength:
|
|
chtTrieNodes += size
|
|
case bytes.HasPrefix(key, []byte("blt-")) && len(key) == 4+common.HashLength:
|
|
bloomTrieNodes += size
|
|
case len(key) == common.HashLength:
|
|
trieSize += size
|
|
default:
|
|
var accounted bool
|
|
for _, meta := range [][]byte{databaseVerisionKey, headHeaderKey, headBlockKey, headFastBlockKey, fastTrieProgressKey} {
|
|
if bytes.Equal(key, meta) {
|
|
metadata += size
|
|
accounted = true
|
|
break
|
|
}
|
|
}
|
|
if !accounted {
|
|
unaccounted += size
|
|
}
|
|
}
|
|
count += 1
|
|
if count%1000 == 0 && time.Since(logged) > 8*time.Second {
|
|
log.Info("Inspecting database", "count", count, "elapsed", common.PrettyDuration(time.Since(start)))
|
|
logged = time.Now()
|
|
}
|
|
}
|
|
// Inspect append-only file store then.
|
|
ancients := []*common.StorageSize{&ancientHeaders, &ancientBodies, &ancientReceipts, &ancientHashes, &ancientTds}
|
|
for i, category := range []string{freezerHeaderTable, freezerBodiesTable, freezerReceiptTable, freezerHashTable, freezerDifficultyTable} {
|
|
if size, err := db.AncientSize(category); err == nil {
|
|
*ancients[i] += common.StorageSize(size)
|
|
total += common.StorageSize(size)
|
|
}
|
|
}
|
|
// Display the database statistic.
|
|
stats := [][]string{
|
|
{"Key-Value store", "Headers", headerSize.String()},
|
|
{"Key-Value store", "Bodies", bodySize.String()},
|
|
{"Key-Value store", "Receipts", receiptSize.String()},
|
|
{"Key-Value store", "Difficulties", tdSize.String()},
|
|
{"Key-Value store", "Block number->hash", numHashPairing.String()},
|
|
{"Key-Value store", "Block hash->number", hashNumPairing.String()},
|
|
{"Key-Value store", "Transaction index", txlookupSize.String()},
|
|
{"Key-Value store", "Bloombit index", bloomBitsSize.String()},
|
|
{"Key-Value store", "Trie nodes", trieSize.String()},
|
|
{"Key-Value store", "Trie preimages", preimageSize.String()},
|
|
{"Key-Value store", "Clique snapshots", cliqueSnapsSize.String()},
|
|
{"Key-Value store", "Singleton metadata", metadata.String()},
|
|
{"Ancient store", "Headers", ancientHeaders.String()},
|
|
{"Ancient store", "Bodies", ancientBodies.String()},
|
|
{"Ancient store", "Receipts", ancientReceipts.String()},
|
|
{"Ancient store", "Difficulties", ancientTds.String()},
|
|
{"Ancient store", "Block number->hash", ancientHashes.String()},
|
|
{"Light client", "CHT trie nodes", chtTrieNodes.String()},
|
|
{"Light client", "Bloom trie nodes", bloomTrieNodes.String()},
|
|
}
|
|
table := tablewriter.NewWriter(os.Stdout)
|
|
table.SetHeader([]string{"Database", "Category", "Size"})
|
|
table.SetFooter([]string{"", "Total", total.String()})
|
|
table.AppendBulk(stats)
|
|
table.Render()
|
|
|
|
if unaccounted > 0 {
|
|
log.Error("Database contains unaccounted data", "size", unaccounted)
|
|
}
|
|
return nil
|
|
}
|