add client

Makefile

@@ -10,12 +10,16 @@ trades:
 	go run ./examples/trades/main.go		
 account:
 	go run ./examples/account/main.go
+
+time:
+	go run ./examples/time/main.go	
 build:
 	go build -o ./bin/candles ./examples/candles/main.go
 	go build -o ./bin/book ./examples/book/main.go
 	go build -o ./bin/ticker ./examples/ticker/main.go
 	go build -o ./bin/ticker24h ./examples/ticker24h/main.go
 	go build -o ./bin/trades ./examples/trades/main.go
 	go build -o ./bin/account ./examples/account/main.go
+	go build -o ./bin/time ./examples/time/main.go
 test:
 	go test -v ./.../ --race

examples/time/main.go

@@ -0,0 +1,13 @@
+package main
+
+import (
+	"log"
+
+	"github.com/larscom/go-bitvavo/v2"
+)
+
+func main() {
+	client := bitvavo.NewHttpClient()
+	v, _ := client.GetTime()
+	log.Println("Time", v)
+}

httpclient.go

@@ -0,0 +1,60 @@
+package bitvavo
+
+import (
+	"fmt"
+	"io"
+	"net/http"
+
+	"github.com/goccy/go-json"
+)
+
+const (
+	httpUrl      = "https://api.bitvavo.com/v2"
+	maxRateLimit = 1000
+)
+
+type HttpClient interface {
+	GetTime() (int64, error)
+}
+
+type httpClient struct {
+	rateLimit int64
+}
+
+func NewHttpClient() HttpClient {
+	return &httpClient{}
+}
+
+func (h *httpClient) GetTime() (int64, error) {
+	r, err := httpGet[map[string]float64](fmt.Sprintf("%s/time", httpUrl))
+	if err != nil {
+		return 0, err
+	}
+
+	return int64(r["time"]), nil
+}
+
+func httpGet[T any](url string) (T, error) {
+	var data T
+
+	response, err := http.Get(url)
+	if err != nil {
+		return data, err
+	}
+
+	if response.StatusCode != http.StatusOK {
+		return data, fmt.Errorf("did not get successfull response, code=%d", response.StatusCode)
+	}
+
+	defer response.Body.Close()
+	bytes, err := io.ReadAll(response.Body)
+	if err != nil {
+		return data, err
+	}
+
+	if err := json.Unmarshal(bytes, &data); err != nil {
+		return data, err
+	}
+
+	return data, nil
+}

websocket.go

@@ -198,6 +198,7 @@ func (ws *webSocket) readLoop() {
 		_, bytes, err := ws.conn.ReadMessage()
 		if err != nil {
 			defer ws.reconnect()
+			log.Logger().Error("Read failed", "error", err.Error())
 			return
 		}
 		ws.handleMessage(bytes)