/
getters_checkpoint.go
160 lines (132 loc) · 3.95 KB
/
getters_checkpoint.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
package v2
import (
"bytes"
types "github.com/prysmaticlabs/eth2-types"
"github.com/prysmaticlabs/go-bitfield"
ethpb "github.com/prysmaticlabs/prysm/proto/prysm/v1alpha1"
)
// JustificationBits marking which epochs have been justified in the beacon chain.
func (b *BeaconState) JustificationBits() bitfield.Bitvector4 {
if !b.hasInnerState() {
return nil
}
if b.state.JustificationBits == nil {
return nil
}
b.lock.RLock()
defer b.lock.RUnlock()
return b.justificationBits()
}
// justificationBits marking which epochs have been justified in the beacon chain.
// This assumes that a lock is already held on BeaconState.
func (b *BeaconState) justificationBits() bitfield.Bitvector4 {
if !b.hasInnerState() {
return nil
}
if b.state.JustificationBits == nil {
return nil
}
res := make([]byte, len(b.state.JustificationBits.Bytes()))
copy(res, b.state.JustificationBits.Bytes())
return res
}
// PreviousJustifiedCheckpoint denoting an epoch and block root.
func (b *BeaconState) PreviousJustifiedCheckpoint() *ethpb.Checkpoint {
if !b.hasInnerState() {
return nil
}
if b.state.PreviousJustifiedCheckpoint == nil {
return nil
}
b.lock.RLock()
defer b.lock.RUnlock()
return b.previousJustifiedCheckpoint()
}
// previousJustifiedCheckpoint denoting an epoch and block root.
// This assumes that a lock is already held on BeaconState.
func (b *BeaconState) previousJustifiedCheckpoint() *ethpb.Checkpoint {
if !b.hasInnerState() {
return nil
}
return ethpb.CopyCheckpoint(b.state.PreviousJustifiedCheckpoint)
}
// CurrentJustifiedCheckpoint denoting an epoch and block root.
func (b *BeaconState) CurrentJustifiedCheckpoint() *ethpb.Checkpoint {
if !b.hasInnerState() {
return nil
}
if b.state.CurrentJustifiedCheckpoint == nil {
return nil
}
b.lock.RLock()
defer b.lock.RUnlock()
return b.currentJustifiedCheckpoint()
}
// currentJustifiedCheckpoint denoting an epoch and block root.
// This assumes that a lock is already held on BeaconState.
func (b *BeaconState) currentJustifiedCheckpoint() *ethpb.Checkpoint {
if !b.hasInnerState() {
return nil
}
return ethpb.CopyCheckpoint(b.state.CurrentJustifiedCheckpoint)
}
// MatchCurrentJustifiedCheckpoint returns true if input justified checkpoint matches
// the current justified checkpoint in state.
func (b *BeaconState) MatchCurrentJustifiedCheckpoint(c *ethpb.Checkpoint) bool {
if !b.hasInnerState() {
return false
}
if b.state.CurrentJustifiedCheckpoint == nil {
return false
}
if c.Epoch != b.state.CurrentJustifiedCheckpoint.Epoch {
return false
}
return bytes.Equal(c.Root, b.state.CurrentJustifiedCheckpoint.Root)
}
// MatchPreviousJustifiedCheckpoint returns true if the input justified checkpoint matches
// the previous justified checkpoint in state.
func (b *BeaconState) MatchPreviousJustifiedCheckpoint(c *ethpb.Checkpoint) bool {
if !b.hasInnerState() {
return false
}
if b.state.PreviousJustifiedCheckpoint == nil {
return false
}
if c.Epoch != b.state.PreviousJustifiedCheckpoint.Epoch {
return false
}
return bytes.Equal(c.Root, b.state.PreviousJustifiedCheckpoint.Root)
}
// FinalizedCheckpoint denoting an epoch and block root.
func (b *BeaconState) FinalizedCheckpoint() *ethpb.Checkpoint {
if !b.hasInnerState() {
return nil
}
if b.state.FinalizedCheckpoint == nil {
return nil
}
b.lock.RLock()
defer b.lock.RUnlock()
return b.finalizedCheckpoint()
}
// finalizedCheckpoint denoting an epoch and block root.
// This assumes that a lock is already held on BeaconState.
func (b *BeaconState) finalizedCheckpoint() *ethpb.Checkpoint {
if !b.hasInnerState() {
return nil
}
return ethpb.CopyCheckpoint(b.state.FinalizedCheckpoint)
}
// FinalizedCheckpointEpoch returns the epoch value of the finalized checkpoint.
func (b *BeaconState) FinalizedCheckpointEpoch() types.Epoch {
if !b.hasInnerState() {
return 0
}
if b.state.FinalizedCheckpoint == nil {
return 0
}
b.lock.RLock()
defer b.lock.RUnlock()
return b.state.FinalizedCheckpoint.Epoch
}