/
schema.go
149 lines (115 loc) · 5.44 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
// Package rawdb contains a collection of low level database accessors.
package rawdb
import (
"encoding/binary"
"github.com/PhoenixGlobal/Phoenix-Chain-SDK/libs/common"
"github.com/PhoenixGlobal/Phoenix-Chain-SDK/libs/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 known header's hash.
headHeaderKey = []byte("LastHeader")
// chain address hrp key
AddressHRPKey = []byte("address-hrp-key-")
// 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")
// 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
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
economicModelPrefix = []byte("economicModel-key-") // economicModel 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"
)
// 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,
}
// 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()...)
}
// 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()...)
}
// 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()...)
}
// configKey = configPrefix + hash
func configKey(hash common.Hash) []byte {
return append(configPrefix, hash.Bytes()...)
}
// economicModelKey = economicModelPrefix + hash
func economicModelKey(hash common.Hash) []byte {
return append(economicModelPrefix, hash.Bytes()...)
}