-
Notifications
You must be signed in to change notification settings - Fork 18
/
market.go
115 lines (98 loc) · 4.1 KB
/
market.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
// Copyright (C) 2023 Gobalsky Labs Limited
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as
// published by the Free Software Foundation, either version 3 of the
// License, or (at your option) any later version.
//
// This program 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 Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
package service
import (
"context"
"sync"
"code.vegaprotocol.io/vega/datanode/entities"
"code.vegaprotocol.io/vega/libs/num"
)
type MarketStore interface {
Upsert(ctx context.Context, market *entities.Market) error
GetByID(ctx context.Context, marketID string) (entities.Market, error)
GetByTxHash(ctx context.Context, txHash entities.TxHash) ([]entities.Market, error)
GetAllPaged(ctx context.Context, marketID string, pagination entities.CursorPagination, includeSettled bool) ([]entities.Market, entities.PageInfo, error)
ListSuccessorMarkets(ctx context.Context, marketID string, fullHistory bool, pagination entities.CursorPagination) ([]entities.SuccessorMarket, entities.PageInfo, error)
}
type Markets struct {
store MarketStore
cacheLock sync.RWMutex
sf map[entities.MarketID]num.Decimal
isSpotCache map[entities.MarketID]bool
}
func NewMarkets(store MarketStore) *Markets {
return &Markets{
store: store,
sf: map[entities.MarketID]num.Decimal{},
isSpotCache: map[entities.MarketID]bool{},
}
}
func (m *Markets) Initialise(ctx context.Context) error {
return nil
}
func (m *Markets) Upsert(ctx context.Context, market *entities.Market) error {
if err := m.store.Upsert(ctx, market); err != nil {
return err
}
m.cacheLock.Lock()
if market.State == entities.MarketStateSettled || market.State == entities.MarketStateRejected || market.State == entities.MarketStateCancelled {
// a settled, cancelled, or rejected market can be safely removed from this map.
delete(m.sf, market.ID)
delete(m.isSpotCache, market.ID)
} else {
// just in case this gets updated, or the market is new.
m.sf[market.ID] = num.DecimalFromFloat(10).Pow(num.DecimalFromInt64(int64(market.PositionDecimalPlaces)))
m.isSpotCache[market.ID] = market.TradableInstrument.Instrument.GetSpot() != nil
}
m.cacheLock.Unlock()
return nil
}
func (m *Markets) GetByID(ctx context.Context, marketID string) (entities.Market, error) {
return m.store.GetByID(ctx, marketID)
}
func (m *Markets) GetByTxHash(ctx context.Context, txHash entities.TxHash) ([]entities.Market, error) {
return m.store.GetByTxHash(ctx, txHash)
}
func (m *Markets) GetMarketScalingFactor(ctx context.Context, marketID string) (num.Decimal, bool) {
m.cacheLock.Lock()
defer m.cacheLock.Unlock()
if pf, ok := m.sf[entities.MarketID(marketID)]; ok {
return pf, true
}
market, err := m.store.GetByID(ctx, marketID)
if err != nil {
return num.Decimal{}, false
}
pf := num.DecimalFromFloat(10).Pow(num.DecimalFromInt64(int64(market.PositionDecimalPlaces)))
return pf, true
}
func (m *Markets) IsSpotMarket(ctx context.Context, marketID string) bool {
m.cacheLock.Lock()
defer m.cacheLock.Unlock()
if is, ok := m.isSpotCache[entities.MarketID(marketID)]; ok {
return is
}
market, err := m.store.GetByID(ctx, marketID)
if err != nil {
return false
}
return market.TradableInstrument.Instrument.GetSpot() != nil
}
func (m *Markets) GetAllPaged(ctx context.Context, marketID string, pagination entities.CursorPagination, includeSettled bool) ([]entities.Market, entities.PageInfo, error) {
return m.store.GetAllPaged(ctx, marketID, pagination, includeSettled)
}
func (m *Markets) ListSuccessorMarkets(ctx context.Context, marketID string, childrenOnly bool, pagination entities.CursorPagination) ([]entities.SuccessorMarket, entities.PageInfo, error) {
return m.store.ListSuccessorMarkets(ctx, marketID, childrenOnly, pagination)
}