abi.js cleanup && new types.js, utils.js

lib/event.js

@@ -21,8 +21,31 @@
  */
 
 var abi = require('./abi');
+var utils = require('./utils');
+
+var inputWithName = function (inputs, name) {
+    var index = utils.findIndex(inputs, function (input) {
+        return input.name === name; 
+    });
+    if (index === -1) {
+       console.error('indexed param ' + name + ' not found in the abi');
+       return undefined;
+    }
+    return inputs[index];
+};
+
+var indexedParamsToTopics = function (inputs, indexed) {
+    Object.keys(indexed).map(function (key) {
+        var inp = inputWithName(key); 
+        var value = indexed[key];
+        if (value instanceof Array) {
+            
+        }
+    });
+};
+
+var implementationOfEvent = function (address, signature, event) {
 
-var implementationOfEvent = function (address, signature) {
     
     // valid options are 'earliest', 'latest', 'offset' and 'max', as defined for 'eth.watch'
     return function (indexed, options) {