From f1c9e8a788a47f26d217c43be7ab8a380da47184 Mon Sep 17 00:00:00 2001
From: gstaff <grant.d.stafford@gmail.com>
Date: Sun, 4 Dec 2016 09:35:54 -0600
Subject: [PATCH 1/3] Add newline to communicate over TCP socket.

---
 src/connection.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/connection.js b/src/connection.js
index 73110ec..1cf49fb 100644
--- a/src/connection.js
+++ b/src/connection.js
@@ -40,7 +40,7 @@ module.exports = function (classes){
           params : params,
           id     : id
         });
-        this.write(data);
+        this.write(data + '\n');
       },
 
       /**
@@ -128,4 +128,4 @@ module.exports = function (classes){
     });
 
   return Connection;
-};
\ No newline at end of file
+};

From 07bfd84a528a6d161b9507a6e3e2f347171e1f3e Mon Sep 17 00:00:00 2001
From: Evgeny Copisoff <SmileGobo@gmail.com>
Date: Wed, 12 Jul 2017 10:08:30 +0300
Subject: [PATCH 2/3] Success answer without error field. Error answer without
 result field.

---
 src/connection.js | 19 ++++++++++---------
 1 file changed, 10 insertions(+), 9 deletions(-)

diff --git a/src/connection.js b/src/connection.js
index 1cf49fb..201dc2f 100644
--- a/src/connection.js
+++ b/src/connection.js
@@ -115,15 +115,16 @@ module.exports = function (classes){
         }
       },
 
-      sendReply: function (err, result, id){
-        var data = JSON.stringify({
-          jsonrpc: '2.0',
-          result : result,
-          error  : err,
-          id     : id
-        });
-
-        this.write(data);
+      sendReply: function (error, result, id){
+        const jsonrpc = '2.0'
+        let data = { result, error, id, jsonrpc };
+        for (let key of Object.keys(data)){
+          if (_.isNull(data[key])){
+            delete data[key];
+          }
+        }
+        let send = JSON.stringify(data);
+        this.write(send);
       }
     });
 

From 6c488478d325304e6376ff3e8de8688cae0b0347 Mon Sep 17 00:00:00 2001
From: Evgeny Copisoff <SmileGobo@gmail.com>
Date: Wed, 12 Jul 2017 10:48:35 +0300
Subject: [PATCH 3/3] On websocket connection create correct error object by
 specification.

---
 src/connection.js | 4 +++-
 src/error.js      | 4 ++++
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/connection.js b/src/connection.js
index 201dc2f..1829615 100644
--- a/src/connection.js
+++ b/src/connection.js
@@ -101,7 +101,9 @@ module.exports = function (classes){
               }
 
               if (err) {
-                err = err.toString();
+                //err = err.toString();
+                //by specification need object with fields 'message' and code
+                err = err.getObject();
                 result = null;
               } else {
                 EventEmitter.trace('-->', 'Response (id ' + msg.id + '): ' +
diff --git a/src/error.js b/src/error.js
index 9b92d5e..216a6d3 100644
--- a/src/error.js
+++ b/src/error.js
@@ -16,6 +16,10 @@ module.exports = function (classes){
     },
     toString: function(){
       return this.message;
+    },
+    getObject: function(){
+      let {code = 0, message = ''} = this;
+      return {code, message};
     }
   }).$inherit(Error, []);