添加费率接口

supply/setting/rate.go

@@ -20,3 +20,14 @@ func (r *rate) All(ctx context.Context) (result []RateItem, err error) {
 	err = client.GetClient(r).Call(ctx, "All", 0, &result)
 	return
 }
+
+type ArgsRateChannel struct {
+	ChannelId uint // 渠道id
+	RateId    uint // 费率id
+}
+
+// Channel @Title 设置渠道利率
+func (r *rate) Channel(ctx context.Context, args ArgsRateChannel) error {
+	reply := 0
+	return client.GetClient(r).Call(ctx, "Channel", args, &reply)
+}