client: Expose close function (#311)

Author: cdamian

client/client.go

@@ -38,6 +38,8 @@ type Client interface {
 		*gethrpc.ClientSubscription, error)
 
 	URL() string
+
+	Close()
 }
 
 type client struct {
@@ -51,6 +53,10 @@ func (c client) URL() string {
 	return c.url
 }
 
+func (c client) Close() {
+	c.Client.Close()
+}
+
 // Connect connects to the provided url
 func Connect(url string) (Client, error) {
 	log.Printf("Connecting to %v...", url)