handle error if no accounts are found

Author: iurimatias

lib/deploy.js

@@ -109,7 +109,9 @@ Deploy.prototype.deployContract = function(contract, params, callback) {
   var contractParams = (params || contract.args).slice();
 
   this.web3.eth.getAccounts(function(err, accounts) {
-    //console.log("using address" + this.web3.eth.accounts[0]);
+    if (err) {
+        return callback(new Error(err));
+    }
 
     // TODO: probably needs to be defaultAccount
     // TODO: it wouldn't necessary be the first address