mirror of
https://gitlab.com/pulsechaincom/go-pulse.git
synced 2024-12-25 21:07:17 +00:00
6402c42b67
* core/state/snapshot: start fixing disk iterator seek * ethdb, rawdb, leveldb, memorydb: implement iterators with prefix and start * les, core/state/snapshot: iterator fixes * all: remove two iterator methods * all: rename Iteratee.NewIteratorWith -> NewIterator * ethdb: fix review concerns
616 lines
21 KiB
Go
616 lines
21 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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"encoding/binary"
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"math/big"
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"github.com/ethereum/go-ethereum/common"
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"github.com/ethereum/go-ethereum/core/types"
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"github.com/ethereum/go-ethereum/crypto"
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"github.com/ethereum/go-ethereum/ethdb"
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"github.com/ethereum/go-ethereum/log"
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"github.com/ethereum/go-ethereum/params"
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"github.com/ethereum/go-ethereum/rlp"
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)
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// ReadCanonicalHash retrieves the hash assigned to a canonical block number.
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func ReadCanonicalHash(db ethdb.Reader, number uint64) common.Hash {
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data, _ := db.Ancient(freezerHashTable, number)
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if len(data) == 0 {
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data, _ = db.Get(headerHashKey(number))
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// In the background freezer is moving data from leveldb to flatten files.
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// So during the first check for ancient db, the data is not yet in there,
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// but when we reach into leveldb, the data was already moved. That would
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// result in a not found error.
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if len(data) == 0 {
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data, _ = db.Ancient(freezerHashTable, number)
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}
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}
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if len(data) == 0 {
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return common.Hash{}
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}
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return common.BytesToHash(data)
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}
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// WriteCanonicalHash stores the hash assigned to a canonical block number.
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func WriteCanonicalHash(db ethdb.KeyValueWriter, hash common.Hash, number uint64) {
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if err := db.Put(headerHashKey(number), hash.Bytes()); err != nil {
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log.Crit("Failed to store number to hash mapping", "err", err)
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}
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}
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// DeleteCanonicalHash removes the number to hash canonical mapping.
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func DeleteCanonicalHash(db ethdb.KeyValueWriter, number uint64) {
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if err := db.Delete(headerHashKey(number)); err != nil {
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log.Crit("Failed to delete number to hash mapping", "err", err)
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}
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}
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// ReadAllHashes retrieves all the hashes assigned to blocks at a certain heights,
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// both canonical and reorged forks included.
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func ReadAllHashes(db ethdb.Iteratee, number uint64) []common.Hash {
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prefix := headerKeyPrefix(number)
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hashes := make([]common.Hash, 0, 1)
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it := db.NewIterator(prefix, nil)
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defer it.Release()
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for it.Next() {
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if key := it.Key(); len(key) == len(prefix)+32 {
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hashes = append(hashes, common.BytesToHash(key[len(key)-32:]))
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}
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}
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return hashes
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}
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// ReadHeaderNumber returns the header number assigned to a hash.
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func ReadHeaderNumber(db ethdb.KeyValueReader, hash common.Hash) *uint64 {
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data, _ := db.Get(headerNumberKey(hash))
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if len(data) != 8 {
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return nil
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}
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number := binary.BigEndian.Uint64(data)
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return &number
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}
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// WriteHeaderNumber stores the hash->number mapping.
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func WriteHeaderNumber(db ethdb.KeyValueWriter, hash common.Hash, number uint64) {
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key := headerNumberKey(hash)
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enc := encodeBlockNumber(number)
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if err := db.Put(key, enc); err != nil {
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log.Crit("Failed to store hash to number mapping", "err", err)
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}
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}
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// DeleteHeaderNumber removes hash->number mapping.
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func DeleteHeaderNumber(db ethdb.KeyValueWriter, hash common.Hash) {
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if err := db.Delete(headerNumberKey(hash)); err != nil {
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log.Crit("Failed to delete hash to number mapping", "err", err)
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}
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}
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// ReadHeadHeaderHash retrieves the hash of the current canonical head header.
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func ReadHeadHeaderHash(db ethdb.KeyValueReader) common.Hash {
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data, _ := db.Get(headHeaderKey)
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if len(data) == 0 {
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return common.Hash{}
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}
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return common.BytesToHash(data)
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}
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// WriteHeadHeaderHash stores the hash of the current canonical head header.
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func WriteHeadHeaderHash(db ethdb.KeyValueWriter, hash common.Hash) {
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if err := db.Put(headHeaderKey, hash.Bytes()); err != nil {
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log.Crit("Failed to store last header's hash", "err", err)
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}
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}
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// ReadHeadBlockHash retrieves the hash of the current canonical head block.
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func ReadHeadBlockHash(db ethdb.KeyValueReader) common.Hash {
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data, _ := db.Get(headBlockKey)
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if len(data) == 0 {
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return common.Hash{}
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}
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return common.BytesToHash(data)
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}
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// WriteHeadBlockHash stores the head block's hash.
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func WriteHeadBlockHash(db ethdb.KeyValueWriter, hash common.Hash) {
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if err := db.Put(headBlockKey, hash.Bytes()); err != nil {
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log.Crit("Failed to store last block's hash", "err", err)
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}
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}
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// ReadHeadFastBlockHash retrieves the hash of the current fast-sync head block.
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func ReadHeadFastBlockHash(db ethdb.KeyValueReader) common.Hash {
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data, _ := db.Get(headFastBlockKey)
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if len(data) == 0 {
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return common.Hash{}
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}
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return common.BytesToHash(data)
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}
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// WriteHeadFastBlockHash stores the hash of the current fast-sync head block.
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func WriteHeadFastBlockHash(db ethdb.KeyValueWriter, hash common.Hash) {
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if err := db.Put(headFastBlockKey, hash.Bytes()); err != nil {
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log.Crit("Failed to store last fast block's hash", "err", err)
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}
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}
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// ReadFastTrieProgress retrieves the number of tries nodes fast synced to allow
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// reporting correct numbers across restarts.
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func ReadFastTrieProgress(db ethdb.KeyValueReader) uint64 {
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data, _ := db.Get(fastTrieProgressKey)
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if len(data) == 0 {
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return 0
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}
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return new(big.Int).SetBytes(data).Uint64()
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}
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// WriteFastTrieProgress stores the fast sync trie process counter to support
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// retrieving it across restarts.
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func WriteFastTrieProgress(db ethdb.KeyValueWriter, count uint64) {
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if err := db.Put(fastTrieProgressKey, new(big.Int).SetUint64(count).Bytes()); err != nil {
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log.Crit("Failed to store fast sync trie progress", "err", err)
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}
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}
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// ReadHeaderRLP retrieves a block header in its raw RLP database encoding.
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func ReadHeaderRLP(db ethdb.Reader, hash common.Hash, number uint64) rlp.RawValue {
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// First try to look up the data in ancient database. Extra hash
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// comparison is necessary since ancient database only maintains
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// the canonical data.
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data, _ := db.Ancient(freezerHeaderTable, number)
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if len(data) > 0 && crypto.Keccak256Hash(data) == hash {
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return data
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}
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// Then try to look up the data in leveldb.
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data, _ = db.Get(headerKey(number, hash))
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if len(data) > 0 {
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return data
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}
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// In the background freezer is moving data from leveldb to flatten files.
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// So during the first check for ancient db, the data is not yet in there,
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// but when we reach into leveldb, the data was already moved. That would
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// result in a not found error.
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data, _ = db.Ancient(freezerHeaderTable, number)
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if len(data) > 0 && crypto.Keccak256Hash(data) == hash {
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return data
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}
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return nil // Can't find the data anywhere.
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}
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// HasHeader verifies the existence of a block header corresponding to the hash.
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func HasHeader(db ethdb.Reader, hash common.Hash, number uint64) bool {
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if has, err := db.Ancient(freezerHashTable, number); err == nil && common.BytesToHash(has) == hash {
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return true
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}
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if has, err := db.Has(headerKey(number, hash)); !has || err != nil {
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return false
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}
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return true
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}
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// ReadHeader retrieves the block header corresponding to the hash.
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func ReadHeader(db ethdb.Reader, hash common.Hash, number uint64) *types.Header {
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data := ReadHeaderRLP(db, hash, number)
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if len(data) == 0 {
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return nil
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}
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header := new(types.Header)
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if err := rlp.Decode(bytes.NewReader(data), header); err != nil {
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log.Error("Invalid block header RLP", "hash", hash, "err", err)
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return nil
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}
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return header
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}
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// WriteHeader stores a block header into the database and also stores the hash-
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// to-number mapping.
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func WriteHeader(db ethdb.KeyValueWriter, header *types.Header) {
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var (
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hash = header.Hash()
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number = header.Number.Uint64()
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)
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// Write the hash -> number mapping
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WriteHeaderNumber(db, hash, number)
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// Write the encoded header
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data, err := rlp.EncodeToBytes(header)
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if err != nil {
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log.Crit("Failed to RLP encode header", "err", err)
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}
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key := headerKey(number, hash)
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if err := db.Put(key, data); err != nil {
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log.Crit("Failed to store header", "err", err)
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}
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}
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// DeleteHeader removes all block header data associated with a hash.
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func DeleteHeader(db ethdb.KeyValueWriter, hash common.Hash, number uint64) {
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deleteHeaderWithoutNumber(db, hash, number)
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if err := db.Delete(headerNumberKey(hash)); err != nil {
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log.Crit("Failed to delete hash to number mapping", "err", err)
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}
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}
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// deleteHeaderWithoutNumber removes only the block header but does not remove
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// the hash to number mapping.
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func deleteHeaderWithoutNumber(db ethdb.KeyValueWriter, hash common.Hash, number uint64) {
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if err := db.Delete(headerKey(number, hash)); err != nil {
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log.Crit("Failed to delete header", "err", err)
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}
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}
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// ReadBodyRLP retrieves the block body (transactions and uncles) in RLP encoding.
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func ReadBodyRLP(db ethdb.Reader, hash common.Hash, number uint64) rlp.RawValue {
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// First try to look up the data in ancient database. Extra hash
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// comparison is necessary since ancient database only maintains
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// the canonical data.
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data, _ := db.Ancient(freezerBodiesTable, number)
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if len(data) > 0 {
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h, _ := db.Ancient(freezerHashTable, number)
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if common.BytesToHash(h) == hash {
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return data
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}
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}
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// Then try to look up the data in leveldb.
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data, _ = db.Get(blockBodyKey(number, hash))
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if len(data) > 0 {
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return data
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}
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// In the background freezer is moving data from leveldb to flatten files.
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// So during the first check for ancient db, the data is not yet in there,
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// but when we reach into leveldb, the data was already moved. That would
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// result in a not found error.
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data, _ = db.Ancient(freezerBodiesTable, number)
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if len(data) > 0 {
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h, _ := db.Ancient(freezerHashTable, number)
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if common.BytesToHash(h) == hash {
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return data
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}
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}
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return nil // Can't find the data anywhere.
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}
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// WriteBodyRLP stores an RLP encoded block body into the database.
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func WriteBodyRLP(db ethdb.KeyValueWriter, hash common.Hash, number uint64, rlp rlp.RawValue) {
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if err := db.Put(blockBodyKey(number, hash), rlp); err != nil {
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log.Crit("Failed to store block body", "err", err)
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}
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}
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// HasBody verifies the existence of a block body corresponding to the hash.
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func HasBody(db ethdb.Reader, hash common.Hash, number uint64) bool {
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if has, err := db.Ancient(freezerHashTable, number); err == nil && common.BytesToHash(has) == hash {
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return true
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}
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if has, err := db.Has(blockBodyKey(number, hash)); !has || err != nil {
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return false
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}
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return true
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}
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// ReadBody retrieves the block body corresponding to the hash.
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func ReadBody(db ethdb.Reader, hash common.Hash, number uint64) *types.Body {
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data := ReadBodyRLP(db, hash, number)
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if len(data) == 0 {
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return nil
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}
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body := new(types.Body)
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if err := rlp.Decode(bytes.NewReader(data), body); err != nil {
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log.Error("Invalid block body RLP", "hash", hash, "err", err)
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return nil
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}
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return body
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}
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// WriteBody stores a block body into the database.
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func WriteBody(db ethdb.KeyValueWriter, hash common.Hash, number uint64, body *types.Body) {
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data, err := rlp.EncodeToBytes(body)
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if err != nil {
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log.Crit("Failed to RLP encode body", "err", err)
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}
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WriteBodyRLP(db, hash, number, data)
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}
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// DeleteBody removes all block body data associated with a hash.
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func DeleteBody(db ethdb.KeyValueWriter, hash common.Hash, number uint64) {
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if err := db.Delete(blockBodyKey(number, hash)); err != nil {
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log.Crit("Failed to delete block body", "err", err)
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}
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}
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// ReadTdRLP retrieves a block's total difficulty corresponding to the hash in RLP encoding.
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func ReadTdRLP(db ethdb.Reader, hash common.Hash, number uint64) rlp.RawValue {
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// First try to look up the data in ancient database. Extra hash
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// comparison is necessary since ancient database only maintains
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// the canonical data.
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data, _ := db.Ancient(freezerDifficultyTable, number)
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if len(data) > 0 {
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h, _ := db.Ancient(freezerHashTable, number)
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if common.BytesToHash(h) == hash {
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return data
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}
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}
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// Then try to look up the data in leveldb.
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data, _ = db.Get(headerTDKey(number, hash))
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if len(data) > 0 {
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return data
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}
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// In the background freezer is moving data from leveldb to flatten files.
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// So during the first check for ancient db, the data is not yet in there,
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// but when we reach into leveldb, the data was already moved. That would
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// result in a not found error.
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data, _ = db.Ancient(freezerDifficultyTable, number)
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if len(data) > 0 {
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h, _ := db.Ancient(freezerHashTable, number)
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if common.BytesToHash(h) == hash {
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return data
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}
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}
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return nil // Can't find the data anywhere.
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}
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// ReadTd retrieves a block's total difficulty corresponding to the hash.
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func ReadTd(db ethdb.Reader, hash common.Hash, number uint64) *big.Int {
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data := ReadTdRLP(db, hash, number)
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if len(data) == 0 {
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return nil
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}
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td := new(big.Int)
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if err := rlp.Decode(bytes.NewReader(data), td); err != nil {
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log.Error("Invalid block total difficulty RLP", "hash", hash, "err", err)
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return nil
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}
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return td
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}
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// WriteTd stores the total difficulty of a block into the database.
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func WriteTd(db ethdb.KeyValueWriter, hash common.Hash, number uint64, td *big.Int) {
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data, err := rlp.EncodeToBytes(td)
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if err != nil {
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log.Crit("Failed to RLP encode block total difficulty", "err", err)
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}
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if err := db.Put(headerTDKey(number, hash), data); err != nil {
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log.Crit("Failed to store block total difficulty", "err", err)
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}
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}
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// DeleteTd removes all block total difficulty data associated with a hash.
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func DeleteTd(db ethdb.KeyValueWriter, hash common.Hash, number uint64) {
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if err := db.Delete(headerTDKey(number, hash)); err != nil {
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log.Crit("Failed to delete block total difficulty", "err", err)
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}
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}
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// HasReceipts verifies the existence of all the transaction receipts belonging
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// to a block.
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func HasReceipts(db ethdb.Reader, hash common.Hash, number uint64) bool {
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if has, err := db.Ancient(freezerHashTable, number); err == nil && common.BytesToHash(has) == hash {
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return true
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}
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if has, err := db.Has(blockReceiptsKey(number, hash)); !has || err != nil {
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return false
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}
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return true
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}
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// ReadReceiptsRLP retrieves all the transaction receipts belonging to a block in RLP encoding.
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func ReadReceiptsRLP(db ethdb.Reader, hash common.Hash, number uint64) rlp.RawValue {
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// First try to look up the data in ancient database. Extra hash
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// comparison is necessary since ancient database only maintains
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// the canonical data.
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data, _ := db.Ancient(freezerReceiptTable, number)
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if len(data) > 0 {
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h, _ := db.Ancient(freezerHashTable, number)
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if common.BytesToHash(h) == hash {
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return data
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}
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}
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// Then try to look up the data in leveldb.
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data, _ = db.Get(blockReceiptsKey(number, hash))
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if len(data) > 0 {
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return data
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}
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// In the background freezer is moving data from leveldb to flatten files.
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// So during the first check for ancient db, the data is not yet in there,
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// but when we reach into leveldb, the data was already moved. That would
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// result in a not found error.
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data, _ = db.Ancient(freezerReceiptTable, number)
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if len(data) > 0 {
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h, _ := db.Ancient(freezerHashTable, number)
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if common.BytesToHash(h) == hash {
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return data
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}
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}
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return nil // Can't find the data anywhere.
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}
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// ReadRawReceipts retrieves all the transaction receipts belonging to a block.
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// The receipt metadata fields are not guaranteed to be populated, so they
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// should not be used. Use ReadReceipts instead if the metadata is needed.
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func ReadRawReceipts(db ethdb.Reader, hash common.Hash, number uint64) types.Receipts {
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// Retrieve the flattened receipt slice
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data := ReadReceiptsRLP(db, hash, number)
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if len(data) == 0 {
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return nil
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}
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// Convert the receipts from their storage form to their internal representation
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storageReceipts := []*types.ReceiptForStorage{}
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if err := rlp.DecodeBytes(data, &storageReceipts); err != nil {
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log.Error("Invalid receipt array RLP", "hash", hash, "err", err)
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return nil
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}
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receipts := make(types.Receipts, len(storageReceipts))
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|
for i, storageReceipt := range storageReceipts {
|
|
receipts[i] = (*types.Receipt)(storageReceipt)
|
|
}
|
|
return receipts
|
|
}
|
|
|
|
// ReadReceipts retrieves all the transaction receipts belonging to a block, including
|
|
// its correspoinding metadata fields. If it is unable to populate these metadata
|
|
// fields then nil is returned.
|
|
//
|
|
// The current implementation populates these metadata fields by reading the receipts'
|
|
// corresponding block body, so if the block body is not found it will return nil even
|
|
// if the receipt itself is stored.
|
|
func ReadReceipts(db ethdb.Reader, hash common.Hash, number uint64, config *params.ChainConfig) types.Receipts {
|
|
// We're deriving many fields from the block body, retrieve beside the receipt
|
|
receipts := ReadRawReceipts(db, hash, number)
|
|
if receipts == nil {
|
|
return nil
|
|
}
|
|
body := ReadBody(db, hash, number)
|
|
if body == nil {
|
|
log.Error("Missing body but have receipt", "hash", hash, "number", number)
|
|
return nil
|
|
}
|
|
if err := receipts.DeriveFields(config, hash, number, body.Transactions); err != nil {
|
|
log.Error("Failed to derive block receipts fields", "hash", hash, "number", number, "err", err)
|
|
return nil
|
|
}
|
|
return receipts
|
|
}
|
|
|
|
// WriteReceipts stores all the transaction receipts belonging to a block.
|
|
func WriteReceipts(db ethdb.KeyValueWriter, hash common.Hash, number uint64, receipts types.Receipts) {
|
|
// Convert the receipts into their storage form and serialize them
|
|
storageReceipts := make([]*types.ReceiptForStorage, len(receipts))
|
|
for i, receipt := range receipts {
|
|
storageReceipts[i] = (*types.ReceiptForStorage)(receipt)
|
|
}
|
|
bytes, err := rlp.EncodeToBytes(storageReceipts)
|
|
if err != nil {
|
|
log.Crit("Failed to encode block receipts", "err", err)
|
|
}
|
|
// Store the flattened receipt slice
|
|
if err := db.Put(blockReceiptsKey(number, hash), bytes); err != nil {
|
|
log.Crit("Failed to store block receipts", "err", err)
|
|
}
|
|
}
|
|
|
|
// DeleteReceipts removes all receipt data associated with a block hash.
|
|
func DeleteReceipts(db ethdb.KeyValueWriter, hash common.Hash, number uint64) {
|
|
if err := db.Delete(blockReceiptsKey(number, hash)); err != nil {
|
|
log.Crit("Failed to delete block receipts", "err", err)
|
|
}
|
|
}
|
|
|
|
// ReadBlock retrieves an entire block corresponding to the hash, assembling it
|
|
// back from the stored header and body. If either the header or body could not
|
|
// be retrieved nil is returned.
|
|
//
|
|
// Note, due to concurrent download of header and block body the header and thus
|
|
// canonical hash can be stored in the database but the body data not (yet).
|
|
func ReadBlock(db ethdb.Reader, hash common.Hash, number uint64) *types.Block {
|
|
header := ReadHeader(db, hash, number)
|
|
if header == nil {
|
|
return nil
|
|
}
|
|
body := ReadBody(db, hash, number)
|
|
if body == nil {
|
|
return nil
|
|
}
|
|
return types.NewBlockWithHeader(header).WithBody(body.Transactions, body.Uncles)
|
|
}
|
|
|
|
// WriteBlock serializes a block into the database, header and body separately.
|
|
func WriteBlock(db ethdb.KeyValueWriter, block *types.Block) {
|
|
WriteBody(db, block.Hash(), block.NumberU64(), block.Body())
|
|
WriteHeader(db, block.Header())
|
|
}
|
|
|
|
// WriteAncientBlock writes entire block data into ancient store and returns the total written size.
|
|
func WriteAncientBlock(db ethdb.AncientWriter, block *types.Block, receipts types.Receipts, td *big.Int) int {
|
|
// Encode all block components to RLP format.
|
|
headerBlob, err := rlp.EncodeToBytes(block.Header())
|
|
if err != nil {
|
|
log.Crit("Failed to RLP encode block header", "err", err)
|
|
}
|
|
bodyBlob, err := rlp.EncodeToBytes(block.Body())
|
|
if err != nil {
|
|
log.Crit("Failed to RLP encode body", "err", err)
|
|
}
|
|
storageReceipts := make([]*types.ReceiptForStorage, len(receipts))
|
|
for i, receipt := range receipts {
|
|
storageReceipts[i] = (*types.ReceiptForStorage)(receipt)
|
|
}
|
|
receiptBlob, err := rlp.EncodeToBytes(storageReceipts)
|
|
if err != nil {
|
|
log.Crit("Failed to RLP encode block receipts", "err", err)
|
|
}
|
|
tdBlob, err := rlp.EncodeToBytes(td)
|
|
if err != nil {
|
|
log.Crit("Failed to RLP encode block total difficulty", "err", err)
|
|
}
|
|
// Write all blob to flatten files.
|
|
err = db.AppendAncient(block.NumberU64(), block.Hash().Bytes(), headerBlob, bodyBlob, receiptBlob, tdBlob)
|
|
if err != nil {
|
|
log.Crit("Failed to write block data to ancient store", "err", err)
|
|
}
|
|
return len(headerBlob) + len(bodyBlob) + len(receiptBlob) + len(tdBlob) + common.HashLength
|
|
}
|
|
|
|
// DeleteBlock removes all block data associated with a hash.
|
|
func DeleteBlock(db ethdb.KeyValueWriter, hash common.Hash, number uint64) {
|
|
DeleteReceipts(db, hash, number)
|
|
DeleteHeader(db, hash, number)
|
|
DeleteBody(db, hash, number)
|
|
DeleteTd(db, hash, number)
|
|
}
|
|
|
|
// DeleteBlockWithoutNumber removes all block data associated with a hash, except
|
|
// the hash to number mapping.
|
|
func DeleteBlockWithoutNumber(db ethdb.KeyValueWriter, hash common.Hash, number uint64) {
|
|
DeleteReceipts(db, hash, number)
|
|
deleteHeaderWithoutNumber(db, hash, number)
|
|
DeleteBody(db, hash, number)
|
|
DeleteTd(db, hash, number)
|
|
}
|
|
|
|
// FindCommonAncestor returns the last common ancestor of two block headers
|
|
func FindCommonAncestor(db ethdb.Reader, a, b *types.Header) *types.Header {
|
|
for bn := b.Number.Uint64(); a.Number.Uint64() > bn; {
|
|
a = ReadHeader(db, a.ParentHash, a.Number.Uint64()-1)
|
|
if a == nil {
|
|
return nil
|
|
}
|
|
}
|
|
for an := a.Number.Uint64(); an < b.Number.Uint64(); {
|
|
b = ReadHeader(db, b.ParentHash, b.Number.Uint64()-1)
|
|
if b == nil {
|
|
return nil
|
|
}
|
|
}
|
|
for a.Hash() != b.Hash() {
|
|
a = ReadHeader(db, a.ParentHash, a.Number.Uint64()-1)
|
|
if a == nil {
|
|
return nil
|
|
}
|
|
b = ReadHeader(db, b.ParentHash, b.Number.Uint64()-1)
|
|
if b == nil {
|
|
return nil
|
|
}
|
|
}
|
|
return a
|
|
}
|