Display exception in tx loop (was 'Cannot read property length of undefined')

Author: barrystyle

lib/database.js

@@ -639,6 +639,7 @@ module.exports = {
         if (blockhash) {
           lib.get_block(blockhash, function(block) {
             if (block) {
+              try {
               lib.syncLoop(block.tx.length, function (subloop) {
                 var i = subloop.iteration();
                 Tx.findOne({txid: block.tx[i]}, function(err, tx) {
@@ -664,6 +665,9 @@ module.exports = {
                 block = null;
                 loop.next();
               });
+            } catch (e) {
+              console.log('hit an exception: %s', e);
+            }
             } else {
               console.log('block not found: %s', blockhash);
               loop.next();