304 lines
11 KiB
Go
304 lines
11 KiB
Go
// Copyright 2018 The go-ethereum Authors
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// This file is part of the go-ethereum library.
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//
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// The go-ethereum library is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser 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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// The go-ethereum library 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 Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
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package rawdb
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import (
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"bytes"
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"fmt"
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"os"
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"time"
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"github.com/ethereum/go-ethereum/common"
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"github.com/ethereum/go-ethereum/ethdb"
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"github.com/ethereum/go-ethereum/ethdb/leveldb"
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"github.com/ethereum/go-ethereum/ethdb/memorydb"
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"github.com/ethereum/go-ethereum/log"
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"github.com/olekukonko/tablewriter"
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)
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// freezerdb is a database wrapper that enabled freezer data retrievals.
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type freezerdb struct {
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ethdb.KeyValueStore
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ethdb.AncientStore
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}
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// Close implements io.Closer, closing both the fast key-value store as well as
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// the slow ancient tables.
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func (frdb *freezerdb) Close() error {
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var errs []error
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if err := frdb.KeyValueStore.Close(); err != nil {
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errs = append(errs, err)
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}
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if err := frdb.AncientStore.Close(); err != nil {
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errs = append(errs, err)
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}
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if len(errs) != 0 {
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return fmt.Errorf("%v", errs)
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}
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return nil
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}
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// nofreezedb is a database wrapper that disables freezer data retrievals.
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type nofreezedb struct {
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ethdb.KeyValueStore
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}
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// HasAncient returns an error as we don't have a backing chain freezer.
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func (db *nofreezedb) HasAncient(kind string, number uint64) (bool, error) {
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return false, errNotSupported
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}
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// Ancient returns an error as we don't have a backing chain freezer.
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func (db *nofreezedb) Ancient(kind string, number uint64) ([]byte, error) {
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return nil, errNotSupported
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}
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// Ancients returns an error as we don't have a backing chain freezer.
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func (db *nofreezedb) Ancients() (uint64, error) {
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return 0, errNotSupported
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}
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// AncientSize returns an error as we don't have a backing chain freezer.
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func (db *nofreezedb) AncientSize(kind string) (uint64, error) {
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return 0, errNotSupported
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}
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// AppendAncient returns an error as we don't have a backing chain freezer.
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func (db *nofreezedb) AppendAncient(number uint64, hash, header, body, receipts, td []byte) error {
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return errNotSupported
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}
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// TruncateAncients returns an error as we don't have a backing chain freezer.
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func (db *nofreezedb) TruncateAncients(items uint64) error {
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return errNotSupported
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}
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// Sync returns an error as we don't have a backing chain freezer.
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func (db *nofreezedb) Sync() error {
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return errNotSupported
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}
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// NewDatabase creates a high level database on top of a given key-value data
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// store without a freezer moving immutable chain segments into cold storage.
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func NewDatabase(db ethdb.KeyValueStore) ethdb.Database {
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return &nofreezedb{
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KeyValueStore: db,
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}
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}
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// NewDatabaseWithFreezer creates a high level database on top of a given key-
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// value data store with a freezer moving immutable chain segments into cold
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// storage.
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func NewDatabaseWithFreezer(db ethdb.KeyValueStore, freezer string, namespace string) (ethdb.Database, error) {
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frdb, err := newFreezer(freezer, namespace)
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if err != nil {
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return nil, err
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}
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go frdb.freeze(db)
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return &freezerdb{
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KeyValueStore: db,
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AncientStore: frdb,
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}, nil
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}
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// NewMemoryDatabase creates an ephemeral in-memory key-value database without a
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// freezer moving immutable chain segments into cold storage.
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func NewMemoryDatabase() ethdb.Database {
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return NewDatabase(memorydb.New())
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}
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// NewMemoryDatabaseWithCap creates an ephemeral in-memory key-value database
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// with an initial starting capacity, but without a freezer moving immutable
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// chain segments into cold storage.
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func NewMemoryDatabaseWithCap(size int) ethdb.Database {
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return NewDatabase(memorydb.NewWithCap(size))
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}
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// NewLevelDBDatabase creates a persistent key-value database without a freezer
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// moving immutable chain segments into cold storage.
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func NewLevelDBDatabase(file string, cache int, handles int, namespace string) (ethdb.Database, error) {
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db, err := leveldb.New(file, cache, handles, namespace)
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if err != nil {
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return nil, err
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}
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return NewDatabase(db), nil
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}
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// NewLevelDBDatabaseWithFreezer creates a persistent key-value database with a
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// freezer moving immutable chain segments into cold storage.
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func NewLevelDBDatabaseWithFreezer(file string, cache int, handles int, freezer string, namespace string) (ethdb.Database, error) {
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kvdb, err := leveldb.New(file, cache, handles, namespace)
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if err != nil {
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return nil, err
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}
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frdb, err := NewDatabaseWithFreezer(kvdb, freezer, namespace)
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if err != nil {
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kvdb.Close()
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return nil, err
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}
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// Make sure we always use the same ancient store.
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//
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// | stored == nil | stored != nil
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// ----------------+------------------+----------------------
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// freezer == nil | non-freezer mode | ancient store missing
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// freezer != nil | initialize | ensure consistency
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stored := ReadAncientPath(kvdb)
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if stored == "" && freezer != "" {
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WriteAncientPath(kvdb, freezer)
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} else if stored != freezer {
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log.Warn("Ancient path mismatch", "stored", stored, "given", freezer)
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log.Crit("Please use a consistent ancient path or migrate it via the command line tool `geth migrate-ancient`")
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}
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return frdb, nil
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}
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// InspectDatabase traverses the entire database and checks the size
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// of all different categories of data.
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func InspectDatabase(db ethdb.Database) error {
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it := db.NewIterator()
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defer it.Release()
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var (
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count int64
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start = time.Now()
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logged = time.Now()
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// Key-value store statistics
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total common.StorageSize
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headerSize common.StorageSize
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bodySize common.StorageSize
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receiptSize common.StorageSize
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tdSize common.StorageSize
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numHashPairing common.StorageSize
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hashNumPairing common.StorageSize
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trieSize common.StorageSize
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txlookupSize common.StorageSize
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preimageSize common.StorageSize
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bloomBitsSize common.StorageSize
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cliqueSnapsSize common.StorageSize
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// Ancient store statistics
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ancientHeaders common.StorageSize
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ancientBodies common.StorageSize
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ancientReceipts common.StorageSize
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ancientHashes common.StorageSize
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ancientTds common.StorageSize
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// Les statistic
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chtTrieNodes common.StorageSize
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bloomTrieNodes common.StorageSize
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// Meta- and unaccounted data
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metadata common.StorageSize
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unaccounted common.StorageSize
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)
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// Inspect key-value database first.
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for it.Next() {
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var (
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key = it.Key()
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size = common.StorageSize(len(key) + len(it.Value()))
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)
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total += size
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switch {
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case bytes.HasPrefix(key, headerPrefix) && bytes.HasSuffix(key, headerTDSuffix):
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tdSize += size
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case bytes.HasPrefix(key, headerPrefix) && bytes.HasSuffix(key, headerHashSuffix):
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numHashPairing += size
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case bytes.HasPrefix(key, headerPrefix) && len(key) == (len(headerPrefix)+8+common.HashLength):
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headerSize += size
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case bytes.HasPrefix(key, headerNumberPrefix) && len(key) == (len(headerNumberPrefix)+common.HashLength):
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hashNumPairing += size
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case bytes.HasPrefix(key, blockBodyPrefix) && len(key) == (len(blockBodyPrefix)+8+common.HashLength):
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bodySize += size
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case bytes.HasPrefix(key, blockReceiptsPrefix) && len(key) == (len(blockReceiptsPrefix)+8+common.HashLength):
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receiptSize += size
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case bytes.HasPrefix(key, txLookupPrefix) && len(key) == (len(txLookupPrefix)+common.HashLength):
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txlookupSize += size
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case bytes.HasPrefix(key, preimagePrefix) && len(key) == (len(preimagePrefix)+common.HashLength):
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preimageSize += size
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case bytes.HasPrefix(key, bloomBitsPrefix) && len(key) == (len(bloomBitsPrefix)+10+common.HashLength):
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bloomBitsSize += size
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case bytes.HasPrefix(key, []byte("clique-")) && len(key) == 7+common.HashLength:
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cliqueSnapsSize += size
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case bytes.HasPrefix(key, []byte("cht-")) && len(key) == 4+common.HashLength:
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chtTrieNodes += size
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case bytes.HasPrefix(key, []byte("blt-")) && len(key) == 4+common.HashLength:
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bloomTrieNodes += size
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case len(key) == common.HashLength:
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trieSize += size
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default:
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var accounted bool
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for _, meta := range [][]byte{databaseVerisionKey, headHeaderKey, headBlockKey, headFastBlockKey, fastTrieProgressKey, ancientKey} {
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if bytes.Equal(key, meta) {
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metadata += size
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accounted = true
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break
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}
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}
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if !accounted {
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unaccounted += size
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}
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}
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count += 1
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if count%1000 == 0 && time.Since(logged) > 8*time.Second {
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log.Info("Inspecting database", "count", count, "elapsed", common.PrettyDuration(time.Since(start)))
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logged = time.Now()
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}
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}
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// Inspect append-only file store then.
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ancients := []*common.StorageSize{&ancientHeaders, &ancientBodies, &ancientReceipts, &ancientHashes, &ancientTds}
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for i, category := range []string{freezerHeaderTable, freezerBodiesTable, freezerReceiptTable, freezerHashTable, freezerDifficultyTable} {
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if size, err := db.AncientSize(category); err == nil {
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*ancients[i] += common.StorageSize(size)
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total += common.StorageSize(size)
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}
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}
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// Display the database statistic.
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stats := [][]string{
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{"Key-Value store", "Headers", headerSize.String()},
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{"Key-Value store", "Bodies", bodySize.String()},
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{"Key-Value store", "Receipts", receiptSize.String()},
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{"Key-Value store", "Difficulties", tdSize.String()},
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{"Key-Value store", "Block number->hash", numHashPairing.String()},
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{"Key-Value store", "Block hash->number", hashNumPairing.String()},
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{"Key-Value store", "Transaction index", txlookupSize.String()},
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{"Key-Value store", "Bloombit index", bloomBitsSize.String()},
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{"Key-Value store", "Trie nodes", trieSize.String()},
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{"Key-Value store", "Trie preimages", preimageSize.String()},
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{"Key-Value store", "Clique snapshots", cliqueSnapsSize.String()},
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{"Key-Value store", "Singleton metadata", metadata.String()},
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{"Ancient store", "Headers", ancientHeaders.String()},
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{"Ancient store", "Bodies", ancientBodies.String()},
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{"Ancient store", "Receipts", ancientReceipts.String()},
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{"Ancient store", "Difficulties", ancientTds.String()},
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{"Ancient store", "Block number->hash", ancientHashes.String()},
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{"Light client", "CHT trie nodes", chtTrieNodes.String()},
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{"Light client", "Bloom trie nodes", bloomTrieNodes.String()},
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}
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table := tablewriter.NewWriter(os.Stdout)
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table.SetHeader([]string{"Database", "Category", "Size"})
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table.SetFooter([]string{"", "Total", total.String()})
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table.AppendBulk(stats)
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table.Render()
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if unaccounted > 0 {
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log.Error("Database contains unaccounted data", "size", unaccounted)
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}
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return nil
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}
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