From a0a020fa6c0888ffa0b60a845e70b4dfc14d14ec Mon Sep 17 00:00:00 2001
From: Chris Vaas <christianvaas@auspex.eu>
Date: Mon, 5 Jul 2021 14:38:57 +0200
Subject: [PATCH] fix: more precise error message (#420)

* fix: more precise error message

* fix: tests
---
 index.js | 21 +++++++++++++++++----
 1 file changed, 17 insertions(+), 4 deletions(-)

diff --git a/index.js b/index.js
index 0dde5f2..e4c758b 100644
--- a/index.js
+++ b/index.js
@@ -386,14 +386,27 @@ function _onReceive(data) {
         return;
     }
 
-    /* check message address and code
+    /* check message address
      * if we do not expect this message
      * raise an error
      */
-    if (address !== transaction.nextAddress || code !== transaction.nextCode) {
+    if (address !== transaction.nextAddress) {
         error = "Unexpected data error, expected " +
-            transaction.nextAddress + " got " + address;
-        next(new Error(error));
+              "address " + transaction.nextAddress + " got " + address;
+        if (transaction.next)
+            next(new Error(error));
+        return;
+    }
+
+    /* check message code
+     * if we do not expect this message
+     * raise an error
+     */
+    if (code !== transaction.nextCode) {
+        error = "Unexpected data error, expected " +
+            "code " + transaction.nextCode + " got " + code;
+        if (transaction.next)
+            next(new Error(error));
         return;
     }