From d98e929028d2b05c88a41fe37652737912bead79 Mon Sep 17 00:00:00 2001
From: Dan Janosik <dan@47.io>
Date: Sat, 11 Jul 2020 22:17:53 -0400
Subject: [PATCH] configurable ping period with sensible default (2m instead of
 5s)

---
 index.js     | 12 +++++++++---
 package.json |  2 +-
 2 files changed, 10 insertions(+), 4 deletions(-)

diff --git a/index.js b/index.js
index 9a9b93a..056cd73 100644
--- a/index.js
+++ b/index.js
@@ -15,7 +15,7 @@ class ElectrumClient extends Client {
 		this.timeLastCall = 0;
 	}
 
-	initElectrum(electrumConfig, persistencePolicy = { retryPeriod: 10000, maxRetry: 1000, callback: null }) {
+	initElectrum(electrumConfig, persistencePolicy = { retryPeriod: 10000, maxRetry: 1000, pingPeriod: 120000, callback: null }) {
 		this.persistencePolicy = persistencePolicy;
 		this.electrumConfig = electrumConfig;
 		this.timeLastCall = 0;
@@ -110,13 +110,19 @@ class ElectrumClient extends Client {
 		if (this.timeout != null) {
 			clearTimeout(this.timeout);
 		}
+
+		var pingPeriod = 120000;
+		if (this.persistencePolicy != null && this.persistencePolicy.pingPeriod > 0) {
+			pingPeriod = this.persistencePolicy.pingPeriod;
+		}
+
 		this.timeout = setTimeout(() => {
-			if (this.timeLastCall !== 0 && new Date().getTime() > this.timeLastCall + 5000) {
+			if (this.timeLastCall !== 0 && new Date().getTime() > this.timeLastCall + pingPeriod) {
 				this.server_ping().catch((reason) => {
 					this.log('Keep-Alive ping failed: ', reason);
 				});
 			}
-		}, 5000);
+		}, pingPeriod);
 	}
 
 	close() {
diff --git a/package.json b/package.json
index 73be3cb..d6bf75e 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
 	"name": "electrum-client",
-	"version": "1.1.6",
+	"version": "1.1.7",
 	"description": "Electrum protocol client for React Native & Node.js",
 	"main": "index.js",
 	"scripts": {