Error handling for undefined arguments in contract.js

Author: akashdeepsinghal

lib/contract.js

@@ -68,9 +68,7 @@ var checkParams = function(args, contract){
       }catch(e){
         console.log(e, args)
       }
-      if (!args[i]) {
-        fulfilled = true;
-      } else {
+      if (args[i]) {
         type = typeOf(args[i]);
         fulfilled = false;
         for(j=0; j<types.length; j++){
@@ -79,9 +77,9 @@ var checkParams = function(args, contract){
             break;
           }
         }
-        if(fulfilled===false){
-          return false;
-        }
+      }
+      if(fulfilled===false){
+        return false;
       }
     }
     return true;