Bugfix and make jshint happy

iotaledger · Oct 24, 2017 · 3e3adf6 · 3e3adf6
1 parent 5311af9
commit 3e3adf6
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Showing 2 changed files with 19 additions and 0 deletions.
diff --git a/.jshintrc b/.jshintrc
@@ -0,0 +1,5 @@
+{
+  "esnext": false,
+  "esversion": 5,
+  "asi": true
+}
diff --git a/lib/crypto/bundle/bundle.js b/lib/crypto/bundle/bundle.js
@@ -1,6 +1,7 @@
 var Curl = require("../curl/curl");
 var Kerl = require("../kerl/kerl");
 var Converter = require("../converter/converter");
+var tritAdd = require("../helpers/adder");
 
 /**
 *
@@ -74,6 +75,9 @@ Bundle.prototype.addTrytes = function(signatureFragments) {
 *
 **/
 Bundle.prototype.finalize = function() {
+    var validBundle = false;
+
+  while(!validBundle) {
 
     var kerl = new Kerl();
     kerl.initialize();
@@ -112,6 +116,16 @@ Bundle.prototype.finalize = function() {
 
         this.bundle[i].bundle = hash;
     }
+
+    var normalizedHash = this.normalizedBundle(hash);
+    if(normalizedHash.indexOf(13 /* = M */) != -1) {
+      // Insecure bundle. Increment Tag and recompute bundle hash.
+      var increasedTag = tritAdd(Converter.trits(this.bundle[0].obsoleteTag), [1]);
+      this.bundle[0].obsoleteTag = Converter.trytes(increasedTag);
+    } else {
+      validBundle = true;
+    }
+  }
 }
 
 /**