Release v2.2.0

vendor/github.com/fiatjaf/go-lnurl/channel.go

@@ -0,0 +1,39 @@
+package lnurl
+
+import (
+	"errors"
+	"net/url"
+
+	"github.com/tidwall/gjson"
+)
+
+type LNURLChannelResponse struct {
+	LNURLResponse
+	Tag         string   `json:"tag"`
+	K1          string   `json:"k1"`
+	Callback    string   `json:"callback"`
+	CallbackURL *url.URL `json:"-"`
+	URI         string   `json:"uri"`
+}
+
+func (_ LNURLChannelResponse) LNURLKind() string { return "lnurl-channel" }
+
+func HandleChannel(j gjson.Result) (LNURLParams, error) {
+	k1 := j.Get("k1").String()
+	if k1 == "" {
+		return nil, errors.New("k1 is blank")
+	}
+	callback := j.Get("callback").String()
+	callbackURL, err := url.Parse(callback)
+	if err != nil {
+		return nil, errors.New("callback is not a valid URL")
+	}
+
+	return LNURLChannelResponse{
+		Tag:         "channelRequest",
+		K1:          k1,
+		Callback:    callback,
+		CallbackURL: callbackURL,
+		URI:         j.Get("uri").String(),
+	}, nil
+}