Move enableHomestead parameter to constructor from runTx

src/universal-dapp.js

@@ -23,7 +23,7 @@ function UniversalDApp (contracts, options) {
 
         this.accounts = {};
 
-        this.vm = new EthJSVM(null, null, { activatePrecompiles: true });
+        this.vm = new EthJSVM(null, null, { activatePrecompiles: true, enableHomestead: true });
 
         this.addAccount('3cd7232cd6f3fc66a57a6bedc1a8ed6c228fff0a327e169c2bcc5e869ed49511');
         this.addAccount('2ac6c190b09897cd8987869cc7b918cfea07ee82038d492abce033c75c1b1d0c');
@@ -649,7 +649,7 @@ UniversalDApp.prototype.runTx = function (data, args, cb) {
                 transactions: [],
                 uncleHeaders: []
             });
-            this.vm.runTx({block: block, tx: tx, skipBalance: true, skipNonce: true, enableHomestead: true}, cb);
+            this.vm.runTx({block: block, tx: tx, skipBalance: true, skipNonce: true}, cb);
         } catch (e) {
             cb(e, null);
         }