mirror of https://github.com/status-im/op-geth.git
80 lines
3.4 KiB
Go
80 lines
3.4 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 (
|
|
"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 (
|
|
// databaseVerisionKey tracks the current database version.
|
|
databaseVerisionKey = []byte("DatabaseVersion")
|
|
|
|
// headHeaderKey tracks the latest know header's hash.
|
|
headHeaderKey = []byte("LastHeader")
|
|
|
|
// headBlockKey tracks the latest know full block's hash.
|
|
headBlockKey = []byte("LastBlock")
|
|
|
|
// headFastBlockKey tracks the latest known incomplete block's hash duirng fast sync.
|
|
headFastBlockKey = []byte("LastFast")
|
|
|
|
// fastTrieProgressKey tracks the number of trie entries imported during fast sync.
|
|
fastTrieProgressKey = []byte("TrieSync")
|
|
|
|
// 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
|
|
|
|
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)
|
|
)
|
|
|
|
// TxLookupEntry is a positional metadata to help looking up the data content of
|
|
// a transaction or receipt given only its hash.
|
|
type TxLookupEntry 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
|
|
}
|