forked from ethereum/go-ethereum
-
Notifications
You must be signed in to change notification settings - Fork 20
/
schema.go
232 lines (181 loc) · 8.99 KB
/
schema.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
// 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/ubiq/go-ubiq/v6/common"
"github.com/ubiq/go-ubiq/v6/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
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()...)
}
// 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()...)
}