From cb22e2bf29187ee04e06fa13d9e711496870ab1d Mon Sep 17 00:00:00 2001
From: Leonard Lyubich <leonard@nspcc.ru>
Date: Mon, 20 Sep 2021 19:01:11 +0300
Subject: [PATCH] [#833] morph/client: Implement MsPerBlock method

Add `Client.MsPerBlock` method which reads MillisecondsPerBlock network
parameter.

Signed-off-by: Leonard Lyubich <leonard@nspcc.ru>
---
 pkg/morph/client/client.go | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/pkg/morph/client/client.go b/pkg/morph/client/client.go
index d9978b54d..41742d7a0 100644
--- a/pkg/morph/client/client.go
+++ b/pkg/morph/client/client.go
@@ -457,3 +457,20 @@ func (c *Client) BlockCount() (res uint32, err error) {
 
 	return c.client.GetBlockCount()
 }
+
+// MsPerBlock returns MillisecondsPerBlock network parameter.
+func (c *Client) MsPerBlock() (res int64, err error) {
+	if c.multiClient != nil {
+		return res, c.multiClient.iterateClients(func(c *Client) error {
+			res, err = c.MsPerBlock()
+			return err
+		})
+	}
+
+	v, err := c.client.GetVersion()
+	if err != nil {
+		return 0, fmt.Errorf("getVersion: %w", err)
+	}
+
+	return int64(v.Protocol.MillisecondsPerBlock), nil
+}