-
Notifications
You must be signed in to change notification settings - Fork 19
/
market_activity_tracker_snapshot.go
189 lines (164 loc) · 5.46 KB
/
market_activity_tracker_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
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
// 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 execution
import (
"context"
"errors"
"sort"
checkpoint "code.vegaprotocol.io/vega/protos/vega/checkpoint/v1"
snapshot "code.vegaprotocol.io/vega/protos/vega/snapshot/v1"
"code.vegaprotocol.io/vega/core/types"
"code.vegaprotocol.io/vega/libs/num"
"code.vegaprotocol.io/vega/libs/proto"
)
var (
key = (&types.PayloadMarketActivityTracker{}).Key()
ErrSnapshotKeyDoesNotExist = errors.New("unknown key for market activity tracker snapshot")
hashKeys = []string{key}
)
type snapshotState struct {
changed bool
serialised []byte
}
func (mat *MarketActivityTracker) Namespace() types.SnapshotNamespace {
return types.MarketActivityTrackerSnapshot
}
func (mat *MarketActivityTracker) Keys() []string {
return hashKeys
}
func (mat *MarketActivityTracker) Stopped() bool {
return false
}
func marketFeesToProto(partyFees map[string]*num.Uint) []*checkpoint.PartyFees {
parties := make([]string, 0, len(partyFees))
for k := range partyFees {
parties = append(parties, k)
}
sort.Strings(parties)
pf := make([]*checkpoint.PartyFees, 0, len(parties))
for _, party := range parties {
pf = append(pf, &checkpoint.PartyFees{Party: party, Fee: partyFees[party].String()})
}
return pf
}
func (mt *marketTracker) IntoProto(market string) *checkpoint.MarketActivityTracker {
return &checkpoint.MarketActivityTracker{
Asset: mt.asset,
Market: market,
MakerFees: marketFeesToProto(mt.makerFees),
TakerFees: marketFeesToProto(mt.takerFees),
LpFees: marketFeesToProto(mt.lpFees),
ValueTraded: mt.valueTraded.String(),
Proposer: mt.proposer,
BonusPaid: mt.proposersPaid,
ReadyToDelete: mt.readyToDelete,
}
}
func (mat *MarketActivityTracker) serialiseFeesTracker() *snapshot.MarketTracker {
markets := make([]string, 0, len(mat.marketToTracker))
for k := range mat.marketToTracker {
markets = append(markets, k)
}
sort.Strings(markets)
marketActivity := make([]*checkpoint.MarketActivityTracker, 0, len(markets))
for _, market := range markets {
marketActivity = append(marketActivity, mat.marketToTracker[market].IntoProto(market))
}
return &snapshot.MarketTracker{
MarketActivity: marketActivity,
}
}
// get the serialised form and hash of the given key.
func (mat *MarketActivityTracker) serialise(k string) ([]byte, error) {
if k != key {
return nil, ErrSnapshotKeyDoesNotExist
}
if !mat.HasChanged(k) {
return mat.ss.serialised, nil
}
payload := types.Payload{
Data: &types.PayloadMarketActivityTracker{
MarketActivityData: mat.serialiseFeesTracker(),
},
}
x := payload.IntoProto()
data, err := proto.Marshal(x)
if err != nil {
return nil, err
}
mat.ss.serialised = data
mat.ss.changed = false
return data, nil
}
func (mat *MarketActivityTracker) HasChanged(k string) bool {
// return mat.ss.changed
return true
}
func (mat *MarketActivityTracker) GetState(k string) ([]byte, []types.StateProvider, error) {
state, err := mat.serialise(k)
return state, nil, err
}
func (mat *MarketActivityTracker) LoadState(ctx context.Context, p *types.Payload) ([]types.StateProvider, error) {
if mat.Namespace() != p.Data.Namespace() {
return nil, types.ErrInvalidSnapshotNamespace
}
// see what we're reloading
switch pl := p.Data.(type) {
case *types.PayloadMarketActivityTracker:
mat.restore(ctx, pl.MarketActivityData)
var err error
mat.ss.changed = false
mat.ss.serialised, err = proto.Marshal(p.IntoProto())
return nil, err
default:
return nil, types.ErrUnknownSnapshotType
}
}
func marketTrackerFromProto(data *checkpoint.MarketActivityTracker) *marketTracker {
valueTrades, _ := num.UintFromString(data.ValueTraded, 10)
mft := &marketTracker{
makerFees: map[string]*num.Uint{},
takerFees: map[string]*num.Uint{},
lpFees: map[string]*num.Uint{},
totalMakerFees: num.UintZero(),
totalTakerFees: num.UintZero(),
totalLPFees: num.UintZero(),
valueTraded: valueTrades,
proposer: data.Proposer,
proposersPaid: data.BonusPaid,
asset: data.Asset,
readyToDelete: data.ReadyToDelete,
}
for _, mf := range data.MakerFees {
mft.makerFees[mf.Party], _ = num.UintFromString(mf.Fee, 10)
mft.totalMakerFees.AddSum(mft.makerFees[mf.Party])
}
for _, tf := range data.TakerFees {
mft.takerFees[tf.Party], _ = num.UintFromString(tf.Fee, 10)
mft.totalTakerFees.AddSum(mft.takerFees[tf.Party])
}
for _, lp := range data.LpFees {
mft.lpFees[lp.Party], _ = num.UintFromString(lp.Fee, 10)
mft.totalLPFees.AddSum(mft.lpFees[lp.Party])
}
mft.asset = data.Asset
return mft
}
func (mat *MarketActivityTracker) restore(ctx context.Context, data *snapshot.MarketTracker) {
for _, data := range data.MarketActivity {
mat.marketToTracker[data.Market] = marketTrackerFromProto(data)
}
}
// onEpochRestore is called when the state of the epoch changes, we only care about new epochs starting.
func (mat *MarketActivityTracker) onEpochRestore(_ context.Context, epoch types.Epoch) {
mat.currentEpoch = epoch.Seq
}