[#1713] morph: Allow switch interval configuration

Signed-off-by: Pavel Karpy <carpawell@nspcc.ru>

pkg/morph/client/constructor.go

@@ -44,11 +44,14 @@ type cfg struct {
 	singleCli *rpcclient.WSClient // neo-go client for single client mode
 
 	inactiveModeCb Callback
+
+	switchInterval time.Duration
 }
 
 const (
-	defaultDialTimeout  = 5 * time.Second
-	defaultWaitInterval = 500 * time.Millisecond
+	defaultDialTimeout    = 5 * time.Second
+	defaultWaitInterval   = 500 * time.Millisecond
+	defaultSwitchInterval = 2 * time.Minute
 )
 
 func defaultConfig() *cfg {
@@ -60,6 +63,7 @@ func defaultConfig() *cfg {
 		signer: &transaction.Signer{
 			Scopes: transaction.Global,
 		},
+		switchInterval: defaultSwitchInterval,
 	}
 }
 
@@ -289,3 +293,12 @@ func WithConnLostCallback(cb Callback) Option {
 		c.inactiveModeCb = cb
 	}
 }
+
+// WithSwitchInterval returns a client constructor option
+// that specifies a wait interval b/w attempts to reconnect
+// to an RPC node with the highest priority.
+func WithSwitchInterval(i time.Duration) Option {
+	return func(c *cfg) {
+		c.switchInterval = i
+	}
+}

pkg/morph/client/multi.go

@@ -133,9 +133,7 @@ func (c *Client) notificationLoop() {
 }
 
 func (c *Client) switchToMostPrioritized() {
-	const period = 2 * time.Minute
-
-	t := time.NewTicker(period)
+	t := time.NewTicker(c.cfg.switchInterval)
 	defer t.Stop()
 	defer c.switchIsActive.Store(false)