From 516845542805038334d510a348cc607bfc5eb84f Mon Sep 17 00:00:00 2001
From: Alex Beregszaszi <alex@rtfs.hu>
Date: Tue, 26 Apr 2016 16:49:37 +0100
Subject: [PATCH] Use ethereumjs-abi for encoding requests

---
 src/universal-dapp.js | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/src/universal-dapp.js b/src/universal-dapp.js
index f3104aa9b9..abe758379c 100644
--- a/src/universal-dapp.js
+++ b/src/universal-dapp.js
@@ -274,8 +274,12 @@ UniversalDApp.prototype.getInstanceInterface = function (contract, address, $tar
             $instance.append(self.getCallButton({
                 abi: funABI,
                 encode: function (args) {
-                    var obj = web3contract.at('0x00')[funABI.name];
-                    return obj.getData.apply(obj, args);
+                    var types = [];
+                    for (var i = 0; i < funABI.inputs.length; i++) {
+                        types.push(funABI.inputs[i].type);
+                    }
+
+                    return Buffer.concat([ ethJSABI.methodID(funABI.name, types), ethJSABI.rawEncode(types, args) ]).toString('hex');
                 },
                 address: address
             }));