forked from block-vision/sui-go-sdk
/
wsconn.go
91 lines (75 loc) · 1.67 KB
/
wsconn.go
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package wsconn
import (
"context"
"encoding/json"
"fmt"
"github.com/fluidity-money/sui-go-sdk/models"
"github.com/gorilla/websocket"
"github.com/tidwall/gjson"
"log"
"time"
)
type WsConn struct {
Conn *websocket.Conn
wsUrl string
}
type CallOp struct {
Method string
Params []interface{}
}
func NewWsConn(wsUrl string) *WsConn {
dialer := websocket.Dialer{}
conn, _, err := dialer.Dial(wsUrl, nil)
if err != nil {
log.Fatal("Error connecting to Websocket Server:", err, wsUrl)
}
return &WsConn{
Conn: conn,
wsUrl: wsUrl,
}
}
func (w *WsConn) Call(ctx context.Context, op CallOp, receiveMsgCh chan []byte) error {
jsonRPCCall := models.JsonRPCRequest{
JsonRPC: "2.0",
ID: time.Now().UnixMilli(),
Method: op.Method,
Params: op.Params,
}
callBytes, err := json.Marshal(jsonRPCCall)
if err != nil {
return err
}
err = w.Conn.WriteMessage(websocket.TextMessage, callBytes)
if nil != err {
return err
}
_, messageData, err := w.Conn.ReadMessage()
if nil != err {
return err
}
var rsp SubscriptionResp
if gjson.ParseBytes(messageData).Get("error").Exists() {
return fmt.Errorf(gjson.ParseBytes(messageData).Get("error").String())
}
err = json.Unmarshal([]byte(gjson.ParseBytes(messageData).String()), &rsp)
if err != nil {
return err
}
fmt.Printf("establish successfully, subscriptionID: %d, Waiting to accept data...\n", rsp.Result)
go func(conn *websocket.Conn) {
for {
messageType, messageData, err := conn.ReadMessage()
if nil != err {
log.Println(err)
break
}
switch messageType {
case websocket.TextMessage:
receiveMsgCh <- messageData
default:
continue
}
}
}(w.Conn)
return nil
}