bsc/core/rawdb/schema.go
zjubfd 1ded097733
[R4R]implement diff sync (#376)
* implement block process part of light sync

* add difflayer protocol

* handle difflayer and refine light processor

* add testcase for diff protocol

* make it faster

* allow validator to light sync

* change into diff sync

* ligth sync: download difflayer (#2)

* ligth sync: download difflayer

Signed-off-by: kyrie-yl <lei.y@binance.com>

* download diff layer: fix according to the comments

Signed-off-by: kyrie-yl <lei.y@binance.com>

* download diff layer: update

Signed-off-by: kyrie-yl <lei.y@binance.com>

* download diff layer: fix accroding comments

Signed-off-by: kyrie-yl <lei.y@binance.com>

Co-authored-by: kyrie-yl <lei.y@binance.com>

* update light sync to diff sync

* raise the max diff limit

* add switcher of snap protocol

* fix test case

* make commit concurrently

* remove peer for diff cache when peer closed

* consensus tuning

* add test code

* remove extra message

* fix testcase and lint

make diff block configable

wait code write

fix testcase

resolve comments

resolve comment

* resolve comments

* resolve comments

* resolve comment

* fix mistake

Co-authored-by: kyrie-yl <83150977+kyrie-yl@users.noreply.github.com>
Co-authored-by: kyrie-yl <lei.y@binance.com>
2021-09-28 16:03:38 +08:00

241 lines
9.2 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 contains a collection of low level database accessors.
package rawdb
import (
"bytes"
"encoding/binary"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/metrics"
)
// The fields below define the low level database schema prefixing.
var (
// databaseVersionKey tracks the current database version.
databaseVersionKey = []byte("DatabaseVersion")
// headHeaderKey tracks the latest known header's hash.
headHeaderKey = []byte("LastHeader")
// headBlockKey tracks the latest known full block's hash.
headBlockKey = []byte("LastBlock")
// headFastBlockKey tracks the latest known incomplete block's hash during fast sync.
headFastBlockKey = []byte("LastFast")
// lastPivotKey tracks the last pivot block used by fast sync (to reenable on sethead).
lastPivotKey = []byte("LastPivot")
// fastTrieProgressKey tracks the number of trie entries imported during fast sync.
fastTrieProgressKey = []byte("TrieSync")
// snapshotDisabledKey flags that the snapshot should not be maintained due to initial sync.
snapshotDisabledKey = []byte("SnapshotDisabled")
// snapshotRootKey tracks the hash of the last snapshot.
snapshotRootKey = []byte("SnapshotRoot")
// snapshotJournalKey tracks the in-memory diff layers across restarts.
snapshotJournalKey = []byte("SnapshotJournal")
// snapshotGeneratorKey tracks the snapshot generation marker across restarts.
snapshotGeneratorKey = []byte("SnapshotGenerator")
// snapshotRecoveryKey tracks the snapshot recovery marker across restarts.
snapshotRecoveryKey = []byte("SnapshotRecovery")
// snapshotSyncStatusKey tracks the snapshot sync status across restarts.
snapshotSyncStatusKey = []byte("SnapshotSyncStatus")
// txIndexTailKey tracks the oldest block whose transactions have been indexed.
txIndexTailKey = []byte("TransactionIndexTail")
// fastTxLookupLimitKey tracks the transaction lookup limit during fast sync.
fastTxLookupLimitKey = []byte("FastTransactionLookupLimit")
// badBlockKey tracks the list of bad blocks seen by local
badBlockKey = []byte("InvalidBlock")
// uncleanShutdownKey tracks the list of local crashes
uncleanShutdownKey = []byte("unclean-shutdown") // config prefix for the db
// Data item prefixes (use single byte to avoid mixing data types, avoid `i`, used for indexes).
headerPrefix = []byte("h") // headerPrefix + num (uint64 big endian) + hash -> header
headerTDSuffix = []byte("t") // headerPrefix + num (uint64 big endian) + hash + headerTDSuffix -> td
headerHashSuffix = []byte("n") // headerPrefix + num (uint64 big endian) + headerHashSuffix -> hash
headerNumberPrefix = []byte("H") // headerNumberPrefix + hash -> num (uint64 big endian)
blockBodyPrefix = []byte("b") // blockBodyPrefix + num (uint64 big endian) + hash -> block body
blockReceiptsPrefix = []byte("r") // blockReceiptsPrefix + num (uint64 big endian) + hash -> block receipts
txLookupPrefix = []byte("l") // txLookupPrefix + hash -> transaction/receipt lookup metadata
bloomBitsPrefix = []byte("B") // bloomBitsPrefix + bit (uint16 big endian) + section (uint64 big endian) + hash -> bloom bits
SnapshotAccountPrefix = []byte("a") // SnapshotAccountPrefix + account hash -> account trie value
SnapshotStoragePrefix = []byte("o") // SnapshotStoragePrefix + account hash + storage hash -> storage trie value
CodePrefix = []byte("c") // CodePrefix + code hash -> account code
// difflayer database
diffLayerPrefix = []byte("d") // diffLayerPrefix + hash -> diffLayer
preimagePrefix = []byte("secure-key-") // preimagePrefix + hash -> preimage
configPrefix = []byte("ethereum-config-") // config prefix for the db
// Chain index prefixes (use `i` + single byte to avoid mixing data types).
BloomBitsIndexPrefix = []byte("iB") // BloomBitsIndexPrefix is the data table of a chain indexer to track its progress
preimageCounter = metrics.NewRegisteredCounter("db/preimage/total", nil)
preimageHitCounter = metrics.NewRegisteredCounter("db/preimage/hits", nil)
)
const (
// freezerHeaderTable indicates the name of the freezer header table.
freezerHeaderTable = "headers"
// freezerHashTable indicates the name of the freezer canonical hash table.
freezerHashTable = "hashes"
// freezerBodiesTable indicates the name of the freezer block body table.
freezerBodiesTable = "bodies"
// freezerReceiptTable indicates the name of the freezer receipts table.
freezerReceiptTable = "receipts"
// freezerDifficultyTable indicates the name of the freezer total difficulty table.
freezerDifficultyTable = "diffs"
)
// FreezerNoSnappy configures whether compression is disabled for the ancient-tables.
// Hashes and difficulties don't compress well.
var FreezerNoSnappy = map[string]bool{
freezerHeaderTable: false,
freezerHashTable: true,
freezerBodiesTable: false,
freezerReceiptTable: false,
freezerDifficultyTable: true,
}
// LegacyTxLookupEntry is the legacy TxLookupEntry definition with some unnecessary
// fields.
type LegacyTxLookupEntry struct {
BlockHash common.Hash
BlockIndex uint64
Index uint64
}
// encodeBlockNumber encodes a block number as big endian uint64
func encodeBlockNumber(number uint64) []byte {
enc := make([]byte, 8)
binary.BigEndian.PutUint64(enc, number)
return enc
}
// headerKeyPrefix = headerPrefix + num (uint64 big endian)
func headerKeyPrefix(number uint64) []byte {
return append(headerPrefix, encodeBlockNumber(number)...)
}
// headerKey = headerPrefix + num (uint64 big endian) + hash
func headerKey(number uint64, hash common.Hash) []byte {
return append(append(headerPrefix, encodeBlockNumber(number)...), hash.Bytes()...)
}
// headerTDKey = headerPrefix + num (uint64 big endian) + hash + headerTDSuffix
func headerTDKey(number uint64, hash common.Hash) []byte {
return append(headerKey(number, hash), headerTDSuffix...)
}
// headerHashKey = headerPrefix + num (uint64 big endian) + headerHashSuffix
func headerHashKey(number uint64) []byte {
return append(append(headerPrefix, encodeBlockNumber(number)...), headerHashSuffix...)
}
// headerNumberKey = headerNumberPrefix + hash
func headerNumberKey(hash common.Hash) []byte {
return append(headerNumberPrefix, hash.Bytes()...)
}
// blockBodyKey = blockBodyPrefix + num (uint64 big endian) + hash
func blockBodyKey(number uint64, hash common.Hash) []byte {
return append(append(blockBodyPrefix, encodeBlockNumber(number)...), hash.Bytes()...)
}
// blockReceiptsKey = blockReceiptsPrefix + num (uint64 big endian) + hash
func blockReceiptsKey(number uint64, hash common.Hash) []byte {
return append(append(blockReceiptsPrefix, encodeBlockNumber(number)...), hash.Bytes()...)
}
// diffLayerKey = diffLayerKeyPrefix + hash
func diffLayerKey(hash common.Hash) []byte {
return append(append(diffLayerPrefix, hash.Bytes()...))
}
// txLookupKey = txLookupPrefix + hash
func txLookupKey(hash common.Hash) []byte {
return append(txLookupPrefix, hash.Bytes()...)
}
// accountSnapshotKey = SnapshotAccountPrefix + hash
func accountSnapshotKey(hash common.Hash) []byte {
return append(SnapshotAccountPrefix, hash.Bytes()...)
}
// storageSnapshotKey = SnapshotStoragePrefix + account hash + storage hash
func storageSnapshotKey(accountHash, storageHash common.Hash) []byte {
return append(append(SnapshotStoragePrefix, accountHash.Bytes()...), storageHash.Bytes()...)
}
// storageSnapshotsKey = SnapshotStoragePrefix + account hash + storage hash
func storageSnapshotsKey(accountHash common.Hash) []byte {
return append(SnapshotStoragePrefix, accountHash.Bytes()...)
}
// bloomBitsKey = bloomBitsPrefix + bit (uint16 big endian) + section (uint64 big endian) + hash
func bloomBitsKey(bit uint, section uint64, hash common.Hash) []byte {
key := append(append(bloomBitsPrefix, make([]byte, 10)...), hash.Bytes()...)
binary.BigEndian.PutUint16(key[1:], uint16(bit))
binary.BigEndian.PutUint64(key[3:], section)
return key
}
// preimageKey = preimagePrefix + hash
func preimageKey(hash common.Hash) []byte {
return append(preimagePrefix, hash.Bytes()...)
}
// codeKey = CodePrefix + hash
func codeKey(hash common.Hash) []byte {
return append(CodePrefix, hash.Bytes()...)
}
// IsCodeKey reports whether the given byte slice is the key of contract code,
// if so return the raw code hash as well.
func IsCodeKey(key []byte) (bool, []byte) {
if bytes.HasPrefix(key, CodePrefix) && len(key) == common.HashLength+len(CodePrefix) {
return true, key[len(CodePrefix):]
}
return false, nil
}
// configKey = configPrefix + hash
func configKey(hash common.Hash) []byte {
return append(configPrefix, hash.Bytes()...)
}