[WAHA] Force ipv4

Author: devlikepro

client.go

@@ -221,8 +221,10 @@ func NewClient(deviceStore *store.Device, log waLog.Logger) *Client {
 		log = waLog.Noop
 	}
 	uniqueIDPrefix := random.Bytes(2)
+	transport := http.DefaultTransport.(*http.Transport).Clone()
+	transport.DialContext = DialContextIPv4
 	baseHTTPClient := &http.Client{
-		Transport: (http.DefaultTransport.(*http.Transport)).Clone(),
+		Transport: transport,
 	}
 	cli := &Client{
 		mediaHTTP:          ptr.Clone(baseHTTPClient),
@@ -336,6 +338,7 @@ func (cli *Client) SetProxy(proxy Proxy, opts ...SetProxyOptions) {
 	}
 	transport := (http.DefaultTransport.(*http.Transport)).Clone()
 	transport.Proxy = proxy
+	transport.DialContext = DialContextIPv4
 	cli.setTransport(transport, opt)
 }
 

ipv4.go

@@ -0,0 +1,14 @@
+package whatsmeow
+
+import (
+	"context"
+	"net"
+	"time"
+)
+
+func DialContextIPv4(ctx context.Context, network, addr string) (net.Conn, error) {
+	return (&net.Dialer{
+		Timeout:   90 * time.Second,
+		KeepAlive: 30 * time.Second,
+	}).DialContext(ctx, "tcp4", addr)
+}