1 files changed, 4 insertions, 2 deletions
diff --git a/lib/abi.js b/lib/abi.js
index 3082b8232..9102454b0 100644
--- a/lib/abi.js
+++ b/lib/abi.js
@@ -9,7 +9,7 @@ var findIndex = function (array, callback) {
 };
 
 var padLeft = function (number, n) {
-    return (new Array(n - number.toString.length + 1)).join("0") + number;
+    return (new Array(n * 2 - number.toString().length + 1)).join("0") + number;
 };
 
 var setupTypes = function () {
@@ -55,7 +55,9 @@ var toBytes = function (json, methodName, params) {
         return;
     }
 
-    bytes = bytes + index + 'x';
+    // it needs to be checked in WebThreeStubServer 
+    // something wrong might be with this additional zero
+    bytes = bytes + index + 'x' + '0';
     var method = json[index];
     
     for (var i = 0; i < method.inputs.length; i++) {