-
-
Notifications
You must be signed in to change notification settings - Fork 67
/
v5_ws_private.go
278 lines (242 loc) · 6.58 KB
/
v5_ws_private.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
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
package bybit
import (
"context"
"encoding/json"
"errors"
"fmt"
"os"
"os/signal"
"sync"
"time"
"github.com/gorilla/websocket"
)
// V5WebsocketPrivateServiceI :
type V5WebsocketPrivateServiceI interface {
Start(context.Context, ErrHandler) error
Subscribe() error
Run() error
Ping() error
Close() error
SubscribeOrder(
func(V5WebsocketPrivateOrderResponse) error,
) (func() error, error)
SubscribePosition(
func(V5WebsocketPrivatePositionResponse) error,
) (func() error, error)
SubscribeExecution(
func(V5WebsocketPrivateExecutionResponse) error,
) (func() error, error)
SubscribeWallet(
func(V5WebsocketPrivateWalletResponse) error,
) (func() error, error)
}
// V5WebsocketPrivateService :
type V5WebsocketPrivateService struct {
client *WebSocketClient
connection *websocket.Conn
mu sync.Mutex
paramOrderMap map[V5WebsocketPrivateParamKey]func(V5WebsocketPrivateOrderResponse) error
paramPositionMap map[V5WebsocketPrivateParamKey]func(V5WebsocketPrivatePositionResponse) error
paramExecutionMap map[V5WebsocketPrivateParamKey]func(V5WebsocketPrivateExecutionResponse) error
paramWalletMap map[V5WebsocketPrivateParamKey]func(V5WebsocketPrivateWalletResponse) error
}
const (
// V5WebsocketPrivatePath :
V5WebsocketPrivatePath = "/v5/private"
)
// V5WebsocketPrivateTopic :
type V5WebsocketPrivateTopic string
const (
// V5WebsocketPrivateTopicPong :
V5WebsocketPrivateTopicPong V5WebsocketPrivateTopic = "pong"
// V5WebsocketPrivateTopicOrder :
V5WebsocketPrivateTopicOrder V5WebsocketPrivateTopic = "order"
// V5WebsocketPrivateTopicPosition :
V5WebsocketPrivateTopicPosition V5WebsocketPrivateTopic = "position"
// V5WebsocketPrivateTopicExecution :
V5WebsocketPrivateTopicExecution V5WebsocketPrivateTopic = "execution"
// V5WebsocketPrivateTopicWallet :
V5WebsocketPrivateTopicWallet V5WebsocketPrivateTopic = "wallet"
)
// V5WebsocketPrivateParamKey :
type V5WebsocketPrivateParamKey struct {
Topic V5WebsocketPrivateTopic
}
// judgeTopic :
func (s *V5WebsocketPrivateService) judgeTopic(respBody []byte) (V5WebsocketPrivateTopic, error) {
parsedData := map[string]interface{}{}
if err := json.Unmarshal(respBody, &parsedData); err != nil {
return "", err
}
if retMsg, ok := parsedData["op"].(string); ok && retMsg == "pong" {
return V5WebsocketPrivateTopicPong, nil
}
if topic, ok := parsedData["topic"].(string); ok {
return V5WebsocketPrivateTopic(topic), nil
}
if authStatus, ok := parsedData["success"].(bool); ok {
if !authStatus {
return "", errors.New("auth failed: " + parsedData["ret_msg"].(string))
}
}
return "", nil
}
// parseResponse :
func (s *V5WebsocketPrivateService) parseResponse(respBody []byte, response interface{}) error {
if err := json.Unmarshal(respBody, &response); err != nil {
return err
}
return nil
}
// Subscribe : Apply for authentication when establishing a connection.
func (s *V5WebsocketPrivateService) Subscribe() error {
param, err := s.client.buildAuthParam()
if err != nil {
return err
}
if err := s.writeMessage(websocket.TextMessage, param); err != nil {
return err
}
return nil
}
// ErrHandler :
type ErrHandler func(isWebsocketClosed bool, err error)
// Start :
func (s *V5WebsocketPrivateService) Start(ctx context.Context, errHandler ErrHandler) error {
done := make(chan struct{})
go func() {
defer close(done)
defer s.connection.Close()
_ = s.connection.SetReadDeadline(time.Now().Add(60 * time.Second))
s.connection.SetPongHandler(func(string) error {
_ = s.connection.SetReadDeadline(time.Now().Add(60 * time.Second))
return nil
})
for {
if err := s.Run(); err != nil {
if errHandler == nil {
return
}
errHandler(IsErrWebsocketClosed(err), err)
return
}
}
}()
ticker := time.NewTicker(20 * time.Second)
defer ticker.Stop()
ctx, stop := signal.NotifyContext(ctx, os.Interrupt)
defer stop()
for {
select {
case <-done:
return nil
case <-ticker.C:
if err := s.Ping(); err != nil {
return err
}
case <-ctx.Done():
s.client.debugf("caught websocket private service interrupt signal")
if err := s.Close(); err != nil {
return err
}
select {
case <-done:
case <-time.After(time.Second):
}
return nil
}
}
}
// Run :
func (s *V5WebsocketPrivateService) Run() error {
_, message, err := s.connection.ReadMessage()
if err != nil {
return err
}
topic, err := s.judgeTopic(message)
if err != nil {
return err
}
switch topic {
case V5WebsocketPrivateTopicPong:
if err := s.connection.PongHandler()("pong"); err != nil {
return fmt.Errorf("pong: %w", err)
}
case V5WebsocketPrivateTopicOrder:
var resp V5WebsocketPrivateOrderResponse
if err := s.parseResponse(message, &resp); err != nil {
return err
}
f, err := s.retrieveOrderFunc(resp.Key())
if err != nil {
return err
}
if err := f(resp); err != nil {
return err
}
case V5WebsocketPrivateTopicPosition:
var resp V5WebsocketPrivatePositionResponse
if err := s.parseResponse(message, &resp); err != nil {
return err
}
f, err := s.retrievePositionFunc(resp.Key())
if err != nil {
return err
}
if err := f(resp); err != nil {
return err
}
case V5WebsocketPrivateTopicExecution:
var resp V5WebsocketPrivateExecutionResponse
if err := s.parseResponse(message, &resp); err != nil {
return err
}
f, err := s.retrieveExecutionFunc(resp.Key())
if err != nil {
return err
}
if err := f(resp); err != nil {
return err
}
case V5WebsocketPrivateTopicWallet:
var resp V5WebsocketPrivateWalletResponse
if err := s.parseResponse(message, &resp); err != nil {
return err
}
f, err := s.retrieveWalletFunc(resp.Key())
if err != nil {
return err
}
if err := f(resp); err != nil {
return err
}
}
return nil
}
// Ping :
func (s *V5WebsocketPrivateService) Ping() error {
// NOTE: It appears that two messages need to be sent.
// REF: https://github.com/hirokisan/bybit/pull/127#issuecomment-1537479346
if err := s.writeMessage(websocket.PingMessage, nil); err != nil {
return err
}
if err := s.writeMessage(websocket.TextMessage, []byte(`{"op":"ping"}`)); err != nil {
return err
}
return nil
}
// Close :
func (s *V5WebsocketPrivateService) Close() error {
if err := s.writeMessage(websocket.CloseMessage, websocket.FormatCloseMessage(websocket.CloseNormalClosure, "")); err != nil && !errors.Is(err, websocket.ErrCloseSent) {
return err
}
return nil
}
func (s *V5WebsocketPrivateService) writeMessage(messageType int, body []byte) error {
s.mu.Lock()
defer s.mu.Unlock()
if err := s.connection.WriteMessage(messageType, body); err != nil {
return err
}
return nil
}