From 3d2a14e28b6fbffb8df46930cb17224463d58b08 Mon Sep 17 00:00:00 2001
From: Iuri Matias <iuri.matias@gmail.com>
Date: Mon, 31 Aug 2015 21:14:12 -0400
Subject: [PATCH] check if contract exists

---
 lib/deploy.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/deploy.js b/lib/deploy.js
index e65a3625..e1c84709 100644
--- a/lib/deploy.js
+++ b/lib/deploy.js
@@ -82,7 +82,7 @@ Deploy.prototype.deploy_contracts = function(env) {
     else {
       var chainContract = this.chainManager.getContract(className, contract.compiled.code, realArgs);
 
-      if (chainContract != undefined) {
+      if (chainContract != undefined && web3.eth.getCode(chainContract.address) !== "0x") {
         console.log("contract " + className + " is unchanged and already deployed at " + chainContract.address);
         this.deployedContracts[className] = chainContract.address;
         this.execute_cmds(contract.onDeploy);