-
Notifications
You must be signed in to change notification settings - Fork 19.6k
/
history_inspect.go
151 lines (139 loc) · 4.72 KB
/
history_inspect.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
// Copyright 2024 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 pathdb
import (
"fmt"
"time"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/ethdb"
"github.com/ethereum/go-ethereum/log"
)
// HistoryStats wraps the history inspection statistics.
type HistoryStats struct {
Start uint64 // Block number of the first queried history
End uint64 // Block number of the last queried history
Blocks []uint64 // Blocks refers to the list of block numbers in which the state is mutated
Origins [][]byte // Origins refers to the original value of the state before its mutation
}
// sanitizeRange limits the given range to fit within the local history store.
func sanitizeRange(start, end uint64, freezer ethdb.AncientReader) (uint64, uint64, error) {
// Load the id of the first history object in local store.
tail, err := freezer.Tail()
if err != nil {
return 0, 0, err
}
first := tail + 1
if start != 0 && start > first {
first = start
}
// Load the id of the last history object in local store.
head, err := freezer.Ancients()
if err != nil {
return 0, 0, err
}
last := head - 1
if end != 0 && end < last {
last = end
}
// Make sure the range is valid
if first >= last {
return 0, 0, fmt.Errorf("range is invalid, first: %d, last: %d", first, last)
}
return first, last, nil
}
func inspectHistory(freezer ethdb.AncientReader, start, end uint64, onHistory func(*history, *HistoryStats)) (*HistoryStats, error) {
var (
stats = &HistoryStats{}
init = time.Now()
logged = time.Now()
)
start, end, err := sanitizeRange(start, end, freezer)
if err != nil {
return nil, err
}
for id := start; id <= end; id += 1 {
// The entire history object is decoded, although it's unnecessary for
// account inspection. TODO(rjl493456442) optimization is worthwhile.
h, err := readHistory(freezer, id)
if err != nil {
return nil, err
}
if id == start {
stats.Start = h.meta.block
}
if id == end {
stats.End = h.meta.block
}
onHistory(h, stats)
if time.Since(logged) > time.Second*8 {
logged = time.Now()
eta := float64(time.Since(init)) / float64(id-start+1) * float64(end-id)
log.Info("Inspecting state history", "checked", id-start+1, "left", end-id, "elapsed", common.PrettyDuration(time.Since(init)), "eta", common.PrettyDuration(eta))
}
}
log.Info("Inspected state history", "total", end-start+1, "elapsed", common.PrettyDuration(time.Since(init)))
return stats, nil
}
// accountHistory inspects the account history within the range.
func accountHistory(freezer ethdb.AncientReader, address common.Address, start, end uint64) (*HistoryStats, error) {
return inspectHistory(freezer, start, end, func(h *history, stats *HistoryStats) {
blob, exists := h.accounts[address]
if !exists {
return
}
stats.Blocks = append(stats.Blocks, h.meta.block)
stats.Origins = append(stats.Origins, blob)
})
}
// storageHistory inspects the storage history within the range.
func storageHistory(freezer ethdb.AncientReader, address common.Address, slot common.Hash, start uint64, end uint64) (*HistoryStats, error) {
return inspectHistory(freezer, start, end, func(h *history, stats *HistoryStats) {
slots, exists := h.storages[address]
if !exists {
return
}
blob, exists := slots[slot]
if !exists {
return
}
stats.Blocks = append(stats.Blocks, h.meta.block)
stats.Origins = append(stats.Origins, blob)
})
}
// historyRange returns the block number range of local state histories.
func historyRange(freezer ethdb.AncientReader) (uint64, uint64, error) {
// Load the id of the first history object in local store.
tail, err := freezer.Tail()
if err != nil {
return 0, 0, err
}
first := tail + 1
// Load the id of the last history object in local store.
head, err := freezer.Ancients()
if err != nil {
return 0, 0, err
}
last := head - 1
fh, err := readHistory(freezer, first)
if err != nil {
return 0, 0, err
}
lh, err := readHistory(freezer, last)
if err != nil {
return 0, 0, err
}
return fh.meta.block, lh.meta.block, nil
}