use "debug" for logging instead of console

index.js

@@ -2,6 +2,9 @@
 
 const Client = require('./lib/client');
 
+const debug = require("debug");
+const debugLog = debug("electrumClient");
+
 class ElectrumClient extends Client {
   constructor(port, host, protocol, options) {
     super(port, host, protocol, options);
@@ -63,7 +66,7 @@ class ElectrumClient extends Client {
     this.timeout = setTimeout(() => {
       if (this.timeLastCall !== 0 && new Date().getTime() > this.timeLastCall + 5000) {
         this.server_ping().catch((reason) => {
-          console.log('keepalive ping failed because of', reason);
+          debugLog('keepalive ping failed because of', reason);
         });
       }
     }, 5000);
@@ -78,7 +81,7 @@ class ElectrumClient extends Client {
   }
 
   reconnect() {
-    console.log('electrum reconnect');
+    debugLog("Electrum reconnect");
     this.initSocket();
     return this.initElectrum(this.electrumConfig);
   }

lib/TlsSocketWrapper.js

@@ -1,3 +1,6 @@
+const debug = require("debug");
+const debugLog = debug("electrumClient");
+
 /**
  * Simple wrapper to mimick Socket class from NET package, since TLS package has slightly different API.
  * We implement several methods that TCP sockets are expected to have. We will proxy call them as soon as
@@ -69,7 +72,7 @@ class TlsSocketWrapper {
   connect(port, host, callback) {
     // resulting TLSSocket extends <net.Socket>
     this._socket = this._tls.connect({ port: port, host: host, rejectUnauthorized: false }, () => {
-      console.log('TLS Connected to ', host, port);
+      debugLog('TLS Connected to ', host, port);
       return callback();
     });
 

lib/client.js

@@ -17,6 +17,9 @@ const TlsSocketWrapper = require('./TlsSocketWrapper.js');
 const EventEmitter = require('events').EventEmitter;
 const util = require('./util');
 
+const debug = require("debug");
+const debugLog = debug("electrumClient");
+
 class Client {
   constructor(port, host, protocol, options) {
     this.id = 0;
@@ -156,7 +159,7 @@ class Client {
         callback(null, msg.result || msg);
       }
     } else {
-      console.log("Can't get callback");
+      debugLog("Can't get callback");
     }
   }
 
@@ -188,7 +191,7 @@ class Client {
   }
 
   onError(e) {
-    console.log('OnError:' + e);
+    debugLog('OnError:' + e);
   }
 }
 

package.json

@@ -6,7 +6,9 @@
   "scripts": {
     "test": "echo \"Error: no test specified\" && exit 1"
   },
-  "dependencies": {},
+  "dependencies": {
+    "debug": "~4.1.1",
+  },
   "devDependencies": {},
   "repository": {
     "type": "git",