Merge pull request #511 from chjj/fix_paypro_example

paypro: fix example server for no-tx argument.

examples/PayPro/server.js

@@ -299,6 +299,7 @@ app.post('/-/pay', function(req, res, next) {
     return ptx;
   });
 
+  if (!argv['no-tx']) {
     (function retry() {
       var timeout = setTimeout(function() {
         if (conn) {
@@ -308,20 +309,18 @@ app.post('/-/pay', function(req, res, next) {
             print('Sending transaction with txid: %s', id);
             print(tx.getStandardizedObject());
 
+            print('Broadcasting transaction...');
+
             var pending = 1;
             peerman.on('ack', function listener() {
               if (!--pending) {
                 peerman.removeListener('ack', listener);
                 clearTimeout(timeout);
                 print('Transaction sent to peer successfully.');
+                res.send(ack);
               }
             });
-
-          print('Broadcasting transaction...');
-
-          if (!argv['no-tx']) {
             conn.sendTx(tx);
-          }
           });
         } else {
           print('No BTC network connection. Retrying...');
@@ -330,8 +329,10 @@ app.post('/-/pay', function(req, res, next) {
         }
       }, 1000);
     })();
-
+  } else {
+    print('Broadcasting transaction...');
     res.send(ack);
+  }
 });
 
 /**