-
Notifications
You must be signed in to change notification settings - Fork 19
/
snapshot.go
113 lines (94 loc) · 3.39 KB
/
snapshot.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
// Copyright (c) 2022 Gobalsky Labs Limited
//
// Use of this software is governed by the Business Source License included
// in the LICENSE.VEGA file and at https://www.mariadb.com/bsl11.
//
// Change Date: 18 months from the later of the date of the first publicly
// available Distribution of this version of the repository, and 25 June 2022.
//
// On the date above, in accordance with the Business Source License, use
// of this software will be governed by version 3 or later of the GNU General
// Public License.
package protocolupgrade
import (
"context"
"sort"
"code.vegaprotocol.io/vega/core/types"
eventspb "code.vegaprotocol.io/vega/protos/vega/events/v1"
snappb "code.vegaprotocol.io/vega/protos/vega/snapshot/v1"
"github.com/golang/protobuf/proto"
)
func (e *Engine) Namespace() types.SnapshotNamespace {
return types.ProtocolUpgradeSnapshot
}
func (e *Engine) Keys() []string {
return e.hashKeys
}
func (e *Engine) Stopped() bool {
return false
}
// get the serialised form and hash of the given key.
func (e *Engine) serialise() ([]byte, error) {
events := make([]*eventspb.ProtocolUpgradeEvent, 0, len(e.activeProposals))
for _, evt := range e.events {
events = append(events, evt)
}
sort.SliceStable(events, func(i, j int) bool {
if events[i].VegaReleaseTag == events[j].VegaReleaseTag {
return events[i].UpgradeBlockHeight < events[j].UpgradeBlockHeight
}
return events[i].VegaReleaseTag < events[j].VegaReleaseTag
})
payloadProtocolUpgradeProposals := &types.PayloadProtocolUpgradeProposals{
Proposals: &snappb.ProtocolUpgradeProposals{
ActiveProposals: events,
},
}
if e.upgradeStatus.AcceptedReleaseInfo != nil {
payloadProtocolUpgradeProposals.Proposals.AcceptedProposal = &snappb.AcceptedProtocolUpgradeProposal{
UpgradeBlockHeight: e.upgradeStatus.AcceptedReleaseInfo.UpgradeBlockHeight,
VegaReleaseTag: e.upgradeStatus.AcceptedReleaseInfo.VegaReleaseTag,
}
}
payload := types.Payload{
Data: payloadProtocolUpgradeProposals,
}
data, err := proto.Marshal(payload.IntoProto())
if err != nil {
return nil, err
}
return data, nil
}
func (e *Engine) GetState(k string) ([]byte, []types.StateProvider, error) {
state, err := e.serialise()
return state, nil, err
}
func (e *Engine) LoadState(ctx context.Context, p *types.Payload) ([]types.StateProvider, error) {
if e.Namespace() != p.Data.Namespace() {
return nil, types.ErrInvalidSnapshotNamespace
}
pl := p.Data.(*types.PayloadProtocolUpgradeProposals)
e.activeProposals = make(map[string]*protocolUpgradeProposal, len(pl.Proposals.ActiveProposals))
e.events = make(map[string]*eventspb.ProtocolUpgradeEvent, len(pl.Proposals.ActiveProposals))
for _, pue := range pl.Proposals.ActiveProposals {
ID := protocolUpgradeProposalID(pue.UpgradeBlockHeight, pue.VegaReleaseTag)
e.events[ID] = pue
}
for ID, evt := range e.events {
e.activeProposals[ID] = &protocolUpgradeProposal{
vegaReleaseTag: evt.VegaReleaseTag,
blockHeight: evt.UpgradeBlockHeight,
accepted: make(map[string]struct{}, len(evt.Approvers)),
}
for _, approver := range evt.Approvers {
e.activeProposals[ID].accepted[approver] = struct{}{}
}
}
if pl.Proposals.AcceptedProposal != nil {
e.upgradeStatus.AcceptedReleaseInfo = &types.ReleaseInfo{
UpgradeBlockHeight: pl.Proposals.AcceptedProposal.UpgradeBlockHeight,
VegaReleaseTag: pl.Proposals.AcceptedProposal.VegaReleaseTag,
}
}
return nil, nil
}