07751c3d26
* database: added counters * Improved stats for ancient db * Small improvement * Better message and added percentage while counting receipts * Fast counting for receipts * added info message * Show both receips itemscount from ancient db and counted receipts * Fixed default case * Removed counter for receipts in ancient store * Removed counting of receipts present in leveldb
425 lines
16 KiB
Go
425 lines
16 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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"errors"
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"fmt"
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"os"
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"sync/atomic"
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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.AncientStore.Close(); err != nil {
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errs = append(errs, err)
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}
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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 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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// Freeze is a helper method used for external testing to trigger and block until
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// a freeze cycle completes, without having to sleep for a minute to trigger the
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// automatic background run.
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func (frdb *freezerdb) Freeze(threshold uint64) {
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// Set the freezer threshold to a temporary value
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defer func(old uint64) {
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atomic.StoreUint64(&frdb.AncientStore.(*freezer).threshold, old)
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}(atomic.LoadUint64(&frdb.AncientStore.(*freezer).threshold))
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atomic.StoreUint64(&frdb.AncientStore.(*freezer).threshold, threshold)
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// Trigger a freeze cycle and block until it's done
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trigger := make(chan struct{}, 1)
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frdb.AncientStore.(*freezer).trigger <- trigger
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<-trigger
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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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// Create the idle freezer instance
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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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// Since the freezer can be stored separately from the user's key-value database,
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// there's a fairly high probability that the user requests invalid combinations
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// of the freezer and database. Ensure that we don't shoot ourselves in the foot
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// by serving up conflicting data, leading to both datastores getting corrupted.
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//
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// - If both the freezer and key-value store is empty (no genesis), we just
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// initialized a new empty freezer, so everything's fine.
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// - If the key-value store is empty, but the freezer is not, we need to make
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// sure the user's genesis matches the freezer. That will be checked in the
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// blockchain, since we don't have the genesis block here (nor should we at
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// this point care, the key-value/freezer combo is valid).
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// - If neither the key-value store nor the freezer is empty, cross validate
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// the genesis hashes to make sure they are compatible. If they are, also
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// ensure that there's no gap between the freezer and sunsequently leveldb.
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// - If the key-value store is not empty, but the freezer is we might just be
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// upgrading to the freezer release, or we might have had a small chain and
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// not frozen anything yet. Ensure that no blocks are missing yet from the
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// key-value store, since that would mean we already had an old freezer.
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// If the genesis hash is empty, we have a new key-value store, so nothing to
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// validate in this method. If, however, the genesis hash is not nil, compare
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// it to the freezer content.
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if kvgenesis, _ := db.Get(headerHashKey(0)); len(kvgenesis) > 0 {
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if frozen, _ := frdb.Ancients(); frozen > 0 {
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// If the freezer already contains something, ensure that the genesis blocks
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// match, otherwise we might mix up freezers across chains and destroy both
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// the freezer and the key-value store.
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frgenesis, err := frdb.Ancient(freezerHashTable, 0)
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if err != nil {
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return nil, fmt.Errorf("failed to retrieve genesis from ancient %v", err)
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} else if !bytes.Equal(kvgenesis, frgenesis) {
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return nil, fmt.Errorf("genesis mismatch: %#x (leveldb) != %#x (ancients)", kvgenesis, frgenesis)
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}
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// Key-value store and freezer belong to the same network. Ensure that they
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// are contiguous, otherwise we might end up with a non-functional freezer.
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if kvhash, _ := db.Get(headerHashKey(frozen)); len(kvhash) == 0 {
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// Subsequent header after the freezer limit is missing from the database.
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// Reject startup is the database has a more recent head.
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if *ReadHeaderNumber(db, ReadHeadHeaderHash(db)) > frozen-1 {
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return nil, fmt.Errorf("gap (#%d) in the chain between ancients and leveldb", frozen)
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}
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// Database contains only older data than the freezer, this happens if the
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// state was wiped and reinited from an existing freezer.
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}
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// Otherwise, key-value store continues where the freezer left off, all is fine.
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// We might have duplicate blocks (crash after freezer write but before key-value
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// store deletion, but that's fine).
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} else {
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// If the freezer is empty, ensure nothing was moved yet from the key-value
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// store, otherwise we'll end up missing data. We check block #1 to decide
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// if we froze anything previously or not, but do take care of databases with
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// only the genesis block.
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if ReadHeadHeaderHash(db) != common.BytesToHash(kvgenesis) {
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// Key-value store contains more data than the genesis block, make sure we
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// didn't freeze anything yet.
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if kvblob, _ := db.Get(headerHashKey(1)); len(kvblob) == 0 {
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return nil, errors.New("ancient chain segments already extracted, please set --datadir.ancient to the correct path")
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}
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// Block #1 is still in the database, we're allowed to init a new feezer
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}
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// Otherwise, the head header is still the genesis, we're allowed to init a new
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// feezer.
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}
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}
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// Freezer is consistent with the key-value database, permit combining the two
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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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return frdb, nil
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}
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type counter uint64
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func (c counter) String() string {
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return fmt.Sprintf("%d", c)
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}
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func (c counter) Percentage(current uint64) string {
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return fmt.Sprintf("%d", current*100/uint64(c))
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}
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// stat stores sizes and count for a parameter
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type stat struct {
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size common.StorageSize
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count counter
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}
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// Add size to the stat and increase the counter by 1
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func (s *stat) Add(size common.StorageSize) {
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s.size += size
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s.count++
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}
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func (s *stat) Size() string {
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return s.size.String()
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}
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func (s *stat) Count() string {
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return s.count.String()
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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(nil, nil)
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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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headers stat
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bodies stat
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receipts stat
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tds stat
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numHashPairings stat
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hashNumPairings stat
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tries stat
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codes stat
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txLookups stat
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accountSnaps stat
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storageSnaps stat
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preimages stat
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bloomBits stat
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cliqueSnaps stat
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// Ancient store statistics
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ancientHeadersSize common.StorageSize
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ancientBodiesSize common.StorageSize
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ancientReceiptsSize common.StorageSize
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ancientTdsSize common.StorageSize
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ancientHashesSize common.StorageSize
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// Les statistic
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chtTrieNodes stat
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bloomTrieNodes stat
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// Meta- and unaccounted data
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metadata stat
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unaccounted stat
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// Totals
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total 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) && len(key) == (len(headerPrefix)+8+common.HashLength):
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headers.Add(size)
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case bytes.HasPrefix(key, blockBodyPrefix) && len(key) == (len(blockBodyPrefix)+8+common.HashLength):
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bodies.Add(size)
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case bytes.HasPrefix(key, blockReceiptsPrefix) && len(key) == (len(blockReceiptsPrefix)+8+common.HashLength):
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receipts.Add(size)
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case bytes.HasPrefix(key, headerPrefix) && bytes.HasSuffix(key, headerTDSuffix):
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tds.Add(size)
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case bytes.HasPrefix(key, headerPrefix) && bytes.HasSuffix(key, headerHashSuffix):
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numHashPairings.Add(size)
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case bytes.HasPrefix(key, headerNumberPrefix) && len(key) == (len(headerNumberPrefix)+common.HashLength):
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hashNumPairings.Add(size)
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case len(key) == common.HashLength:
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tries.Add(size)
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case bytes.HasPrefix(key, codePrefix) && len(key) == len(codePrefix)+common.HashLength:
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codes.Add(size)
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case bytes.HasPrefix(key, txLookupPrefix) && len(key) == (len(txLookupPrefix)+common.HashLength):
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txLookups.Add(size)
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case bytes.HasPrefix(key, SnapshotAccountPrefix) && len(key) == (len(SnapshotAccountPrefix)+common.HashLength):
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accountSnaps.Add(size)
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case bytes.HasPrefix(key, SnapshotStoragePrefix) && len(key) == (len(SnapshotStoragePrefix)+2*common.HashLength):
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storageSnaps.Add(size)
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case bytes.HasPrefix(key, preimagePrefix) && len(key) == (len(preimagePrefix)+common.HashLength):
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preimages.Add(size)
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case bytes.HasPrefix(key, bloomBitsPrefix) && len(key) == (len(bloomBitsPrefix)+10+common.HashLength):
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bloomBits.Add(size)
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case bytes.HasPrefix(key, []byte("clique-")) && len(key) == 7+common.HashLength:
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cliqueSnaps.Add(size)
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case bytes.HasPrefix(key, []byte("cht-")) && len(key) == 4+common.HashLength:
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chtTrieNodes.Add(size)
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case bytes.HasPrefix(key, []byte("blt-")) && len(key) == 4+common.HashLength:
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bloomTrieNodes.Add(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} {
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if bytes.Equal(key, meta) {
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metadata.Add(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.Add(size)
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}
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}
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count++
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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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ancientSizes := []*common.StorageSize{&ancientHeadersSize, &ancientBodiesSize, &ancientReceiptsSize, &ancientHashesSize, &ancientTdsSize}
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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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*ancientSizes[i] += common.StorageSize(size)
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total += common.StorageSize(size)
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}
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}
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// Get number of ancient rows inside the freezer
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ancients := counter(0)
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if count, err := db.Ancients(); err == nil {
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ancients = counter(count)
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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", headers.Size(), headers.Count()},
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{"Key-Value store", "Bodies", bodies.Size(), bodies.Count()},
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{"Key-Value store", "Receipt lists", receipts.Size(), receipts.Count()},
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{"Key-Value store", "Difficulties", tds.Size(), tds.Count()},
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{"Key-Value store", "Block number->hash", numHashPairings.Size(), numHashPairings.Count()},
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{"Key-Value store", "Block hash->number", hashNumPairings.Size(), hashNumPairings.Count()},
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{"Key-Value store", "Transaction index", txLookups.Size(), txLookups.Count()},
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{"Key-Value store", "Bloombit index", bloomBits.Size(), bloomBits.Count()},
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{"Key-Value store", "Contract codes", codes.Size(), codes.Count()},
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{"Key-Value store", "Trie nodes", tries.Size(), tries.Count()},
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{"Key-Value store", "Trie preimages", preimages.Size(), preimages.Count()},
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{"Key-Value store", "Account snapshot", accountSnaps.Size(), accountSnaps.Count()},
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{"Key-Value store", "Storage snapshot", storageSnaps.Size(), storageSnaps.Count()},
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{"Key-Value store", "Clique snapshots", cliqueSnaps.Size(), cliqueSnaps.Count()},
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{"Key-Value store", "Singleton metadata", metadata.Size(), metadata.Count()},
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{"Ancient store", "Headers", ancientHeadersSize.String(), ancients.String()},
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{"Ancient store", "Bodies", ancientBodiesSize.String(), ancients.String()},
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{"Ancient store", "Receipt lists", ancientReceiptsSize.String(), ancients.String()},
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{"Ancient store", "Difficulties", ancientTdsSize.String(), ancients.String()},
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{"Ancient store", "Block number->hash", ancientHashesSize.String(), ancients.String()},
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{"Light client", "CHT trie nodes", chtTrieNodes.Size(), chtTrieNodes.Count()},
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{"Light client", "Bloom trie nodes", bloomTrieNodes.Size(), bloomTrieNodes.Count()},
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}
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table := tablewriter.NewWriter(os.Stdout)
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table.SetHeader([]string{"Database", "Category", "Size", "Items"})
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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.size > 0 {
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log.Error("Database contains unaccounted data", "size", unaccounted.size, "count", unaccounted.count)
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}
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return nil
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}
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