Merge branch 'master' into feature/get_async_transactions

.gitignore

@@ -8,7 +8,7 @@ lib-cov
 *.pid
 *.gz
 *.swp
-
+tags
 pids
 logs
 results
@@ -23,7 +23,6 @@ node_modules
 peerdb.json
 
 npm-debug.log
-node_modules
 .nodemonignore
 
 .DS_Store

app/models/Address.js

@@ -24,25 +24,39 @@ function spec() {
       this.addrStr        = addrStr;
     } catch(e){
     }
+
+
+    Object.defineProperty(this, "totalSent", {
+      get: function() {
+        return parseFloat(this.totalSentSat) / parseFloat(BitcoreUtil.COIN);
+      },
+      set:  function(i) {
+        totalSentSat =  i * BitcoreUtil.COIN;
+      },
+      enumerable: 1,
+    });
+
+    Object.defineProperty(this, "balance", {
+      get: function() {
+        return parseFloat(this.balanceSat) / parseFloat(BitcoreUtil.COIN);
+      },
+      set:  function(i) {
+        balance =   i * BitcoreUtil.COIN;
+      },
+      enumerable: 1,
+    });
+
+    Object.defineProperty(this, "totalReceived", {
+      get: function() {
+        return parseFloat(this.totalReceivedSat) / parseFloat(BitcoreUtil.COIN);
+      },
+      set:  function(i) {
+        totalReceived =  i * BitcoreUtil.COIN;
+      },
+      enumerable: 1,
+    });
   }
 
-
-  Address.prototype.__defineGetter__('balance', function(){
-    return parseFloat(this.balanceSat) / parseFloat(BitcoreUtil.COIN);
-  });
-
-
-  Address.prototype.__defineGetter__('totalReceived', function(){
-    return parseFloat(this.totalReceivedSat) / parseFloat(BitcoreUtil.COIN);
-  });
-
-
-  Address.prototype.__defineGetter__('totalSent', function(){
-    return parseFloat(this.totalSentSat) / parseFloat(BitcoreUtil.COIN);
-  });
-
-
-
   Address.prototype.update = function(next) {
 
     if (! this.addrStr) {

app/models/Block.js

@@ -5,7 +5,10 @@
  */
 var mongoose    = require('mongoose'),
     Schema      = mongoose.Schema,
+    bignum      = require('bignum'),
     RpcClient   = require('bitcore/RpcClient').class(),
+    util        = require('bitcore/util/util'),
+    BitcoreBlock= require('bitcore/Block').class(),
     config      = require('../../config/config')
     ;
 
@@ -26,7 +29,6 @@ var BlockSchema = new Schema({
   fromP2P: Boolean,
 });
 
-
 /**
  * Validations
  */
@@ -82,6 +84,8 @@ BlockSchema.methods.getInfo = function (next) {
 
     that.info = blockInfo.result;
 
+    that.info.reward =  BitcoreBlock.getBlockValue(that.info.height) / util.COIN ;
+
     //console.log("THAT", that);
     return next(null, that.info);
   });

app/models/Transaction.js

@@ -10,12 +10,14 @@ var mongoose    = require('mongoose'),
     RpcClient   = require('bitcore/RpcClient').class(),
     Transaction = require('bitcore/Transaction').class(),
     Address     = require('bitcore/Address').class(),
+    BitcoreBlock= require('bitcore/Block').class(),
     networks    = require('bitcore/networks'),
     util        = require('bitcore/util/util'),
     bignum      = require('bignum'),
     config      = require('../../config/config'),
     TransactionItem = require('./TransactionItem');
 
+var CONCURRENCY = 5;
 
 /**
  */
@@ -90,18 +92,22 @@ TransactionSchema.statics.fromIdWithInfo = function(txid, cb) {
 TransactionSchema.statics.createFromArray = function(txs, next) {
   var that = this;
   if (!txs) return next();
-
+  var mongo_txs = [];
   async.forEach( txs,
-    function(tx, callback) {
-      that.create({ txid: tx }, function(err) {
-        if (err && ! err.toString().match(/E11000/)) {
-          return callback(err);
+    function(tx, cb) {
+      that.create({ txid: tx }, function(err, new_tx) {
+        if (err) {
+          if (err.toString().match(/E11000/)) {
+            return cb();
+          }
+          return cb(err);
         }
-        return callback();
+        mongo_txs.push(new_tx);
+        return cb();
       });
     },
     function(err) {
-      return next(err);
+      return next(err, mongo_txs);
     }
   );
 };
@@ -117,7 +123,7 @@ TransactionSchema.statics.explodeTransactionItems = function(txid,  cb) {
       i.n = index++;
     });
 
-    async.each(t.info.vin, function(i, next_in) {
+    async.forEachLimit(t.info.vin, CONCURRENCY, function(i, next_in) {
       if (i.addr && i.value) {
 
 //console.log("Creating IN %s %d", i.addr, i.valueSat);
@@ -138,7 +144,7 @@ TransactionSchema.statics.explodeTransactionItems = function(txid,  cb) {
     },
     function (err) {
       if (err) console.log (err);
-      async.each(t.info.vout, function(o, next_out) {
+      async.forEachLimit(t.info.vout, CONCURRENCY, function(o, next_out) {
 
         /*
          * TODO Support multisigs
@@ -175,7 +181,7 @@ TransactionSchema.methods.fillInputValues = function (tx, next) {
   var network   = ( config.network === 'testnet') ? networks.testnet : networks.livenet ;
 
   var that = this;
-  async.each(tx.ins, function(i, cb) {
+  async.forEachLimit(tx.ins, CONCURRENCY, function(i, cb) {
 
       var outHash       = i.getOutpointHash();
       var outIndex      = i.getOutpointIndex();
@@ -296,9 +302,17 @@ TransactionSchema.methods.queryInfo = function (next) {
         that.info.valueIn  = valueIn / util.COIN;
         that.info.feeds    = (valueIn - valueOut) / util.COIN;
       }
+      else  {
+        var reward =  BitcoreBlock.getBlockValue(that.info.height) / util.COIN;
+        that.info.vin[0].reward = reward;
+        that.info.valueIn = reward;
+      }
+
 
       that.info.size     = b.length;
 
+
+
       return next(err, that.info);
     });
   });

app/views/includes/foot.jade

@@ -12,6 +12,7 @@ script(type='text/javascript', src='/lib/angular-resource/angular-resource.js')
 script(type='text/javascript', src='/lib/angular-route/angular-route.js')
 script(type='text/javascript', src='/lib/qrcode-generator/js/qrcode.js')
 script(type='text/javascript', src='/lib/angular-qrcode/qrcode.js')
+script(type='text/javascript', src='/lib/angular-animate/angular-animate.js')
 
 //Angular UI
 script(type='text/javascript', src='/lib/angular-bootstrap/ui-bootstrap.js')
@@ -37,4 +38,5 @@ script(type='text/javascript', src='/js/controllers/header.js')
 script(type='text/javascript', src='/js/controllers/blocks.js')
 script(type='text/javascript', src='/js/controllers/transactions.js')
 script(type='text/javascript', src='/js/controllers/address.js')
+script(type='text/javascript', src='/js/controllers/search.js')
 script(type='text/javascript', src='/js/init.js')

app/views/includes/head.jade

@@ -14,5 +14,4 @@ head
   link(rel='stylesheet', href='/css/common.css')
 
   script(src='/socket.io/socket.io.js')
-  script(src='/lib/jquery/jquery.js')
 

app/views/sockets/main.js

@@ -2,12 +2,24 @@
 
 var Transaction = require('../../models/Transaction');
 
-module.exports = function(app, io) {
+// server-side socket behaviour
+
+var io = null;
+
+module.exports.init = function(app, io_ext) {
+  io = io_ext;
   io.set('log level', 1); // reduce logging
   io.sockets.on('connection', function(socket) {
-    Transaction.findOne(function(err, tx) {
-      socket.emit('tx', tx);
-    });
+    
   });
 };
 
+
+module.exports.broadcast_tx = function(tx) {
+  io.sockets.emit('tx', tx);
+};
+
+
+module.exports.broadcast_block = function(block) {
+  io.sockets.emit('block', block);
+};

bower.json

@@ -10,6 +10,8 @@
       "bootstrap": "3.0.3",
       "angular-bootstrap": "0.9.0",
       "angular-ui-utils": "0.1.0",
-      "angular-qrcode": "latest"
+      "angular-qrcode": "latest",
+      "angular-animate": "latest"
+
     }
 }

lib/Sync.js

@@ -13,6 +13,8 @@ function spec() {
   var Block           = require('../app/models/Block');
   var Transaction     = require('../app/models/Transaction');
   var TransactionItem = require('../app/models/TransactionItem');
+  var sockets         = require('../app/views/sockets/main.js');
+  var CONCURRENCY     = 1;
 
   function Sync(config) {
     this.tx_count   =0;
@@ -56,15 +58,25 @@ function spec() {
   };
 
   Sync.prototype.storeBlock = function(block, cb) {
-    Block.create(block, cb);
+    var that = this;
+    Block.create(block, function(err, b){
+      if (b && that.opts.broadcast_blocks) {
+        sockets.broadcast_block(b);
+      }
+    });
   };
 
   Sync.prototype.storeTxs = function(txids, cb) {
     var that=this;
-    Transaction.createFromArray(txids, function(err) {
+    Transaction.createFromArray(txids, function(err, inserted_txs) {
       if (err) return cb(err);
+      async.forEachLimit(inserted_txs, CONCURRENCY, function(new_tx, next) {
+        var txid = new_tx.txid;
+
+        if (that.opts.broadcast_txs) {
+          sockets.broadcast_tx(new_tx);
+        }
 
-      async.each(txids, function(txid, next) {
 
         // This will trigger an RPC call
         Transaction.explodeTransactionItems( txid, function(err) {
@@ -180,7 +192,8 @@ function spec() {
 
       if (!total) return cb();
 
-      async.each(txs, function(tx, next) {
+
+      async.forEachLimit(txs, CONCURRENCY, function(tx, next) {
           if (read++ % 1000 === 0) progress_bar('read', read, total);
 
           if (!tx.txid) {
@@ -199,19 +212,35 @@ function spec() {
   };
 
   Sync.prototype.init = function(opts) {
-    if (!(opts && opts.skip_db_connection)) {
-      mongoose.connect(config.db);
-    }
-    this.db = mongoose.connection;
     this.rpc = new RpcClient(config.bitcoind);
 
-    this.db.on('error', console.error.bind(console, 'connection error:'));
+
+    if (!(opts && opts.skip_db_connection)) {
+      mongoose.connect(config.db, {server: {auto_reconnect: true}} );
+    }
+    this.opts = opts;
+    this.db = mongoose.connection;
+
+    this.db.on('error', function(err) {
+        console.log('connection error:' + err);
+        moogose.disconnect();
+    });
+
+    this.db.on('disconnect', function(err) {
+        console.log('disconnect:' + err);
+        mongoose.connect(config.db, {server: {auto_reconnect: true}} );
+    });
+
 
   };
 
   Sync.prototype.import_history = function(opts, next) {
 
     var that = this;
+
+    var retry_attemps = 100;
+    var retry_secs    = 2;
+
     this.db.once('open', function() {
       async.series([
       function(cb) {
@@ -240,10 +269,23 @@ function spec() {
       },
  
       function(cb) {
+        function sync() {
+          that.syncBlocks( function(err) {
+
+
+            if (err && err.message.match(/ECONNREFUSED/) && retry_attemps--){
+              setTimeout(function() {
+                console.log("Retrying in %d secs ", retry_secs);
+                sync();
+              }, retry_secs * 1000);
+            }
+            else  
+              return next(err); 
+          });
+        }
+
         if (!opts.skip_blocks) {
-          that.syncBlocks( cb);
-        } else {
-          cb();
+          sync();
         }
       },
 /* Exploding happens on block insertion
@@ -267,7 +309,7 @@ function spec() {
       }
 */
       ], function(err) {
-        return next(err);
+          return next(err);
       });
     });
   };

p2p.js

@@ -1,131 +0,0 @@
-#!/usr/bin/env node
-<<<<<<< HEAD
-=======
-
->>>>>>> 71e1c718ac8f5eb89acedb4f91f2207ec463808b
-'use strict';
-
-process.env.NODE_ENV = process.env.NODE_ENV || 'development';
-
-var fs = require('fs');
-var HeaderDB = require('./HeaderDB').class();
-var Block = require('bitcore/Block').class();
-var CoinConst = require('bitcore/const');
-var coinUtil = require('bitcore/util/util');
-var networks = require('bitcore/networks');
-var Parser = require('bitcore/util/BinaryParser').class();
-var Sync = require('./lib/Sync').class();
-var Peer = require('bitcore/Peer').class();
-
-var peerdb_fn = 'peerdb.json';
-var peerdb = undefined;
-
-var PROGRAM_VERSION = '0.1';
-var program = require('commander');
-
-program
-  .version(PROGRAM_VERSION)
-  .option('-N --network [testnet]', 'Set bitcoin network [testnet]', 'testnet')
-  .parse(process.argv);
-
-var sync = new Sync({
-  networkName: program.network
-});
-sync.init();
-
-var PeerManager = require('bitcore/PeerManager').createClass({
-  config: {
-    network: program.network
-  }
-});
-
-function peerdb_load() {
-  try {
-    peerdb = JSON.parse(fs.readFileSync(peerdb_fn));
-  } catch(d) {
-    console.warn('Unable to read peer db', peerdb_fn, 'creating new one.');
-    peerdb = [{
-      ipv4: '127.0.0.1',
-      port: 18333
-    },
-    ];
-
-    fs.writeFileSync(peerdb_fn, JSON.stringify(peerdb));
-  }
-}
-
-function handle_inv(info) {
-  // TODO: should limit the invs to objects we haven't seen yet
-  var invs = info.message.invs;
-  invs.forEach(function(inv) {
-    console.log('Handle inv for a ' + CoinConst.MSG.to_str(inv.type));
-  });
-  // this is not needed right now, but it's left in case
-  // we need to store more info in the future
-  info.conn.sendGetData(invs);
-}
-
-function handle_tx(info) {
-  var tx = info.message.tx.getStandardizedObject();
-  console.log('Handle tx: ' + tx.hash);
-  sync.storeTxs([tx.hash], function(err) {
-    if (err) {
-      console.log('Error in handle TX: ' + err);
-    }
-  });
-}
-
-function handle_block(info) {
-  var block = info.message.block;
-  var now = Math.round(new Date().getTime() / 1000);
-  var blockHash = coinUtil.formatHashFull(block.calcHash());
-  console.log('Handle block: ' + blockHash);
-  sync.storeBlock({
-    'hash': blockHash,
-    'time': now
-  },
-  function(err) {
-    if (err) {
-      console.log('Error in handle Block: ' + err);
-    } else {
-      // if no errors importing block, import the transactions
-      var hashes = block.txs.map(function(tx) {
-        return coinUtil.formatHashFull(tx.hash);
-      });
-      sync.storeTxs(hashes, function() {});
-    }
-  });
-
-}
-
-function handle_connected(data) {
-  var peerman = data.pm;
-  var peers_n = peerman.peers.length;
-  console.log('p2psync: Connected to ' + peers_n + ' peer' + (peers_n !== 1 ? 's': ''));
-}
-
-function p2psync() {
-  var peerman = new PeerManager();
-
-  peerdb.forEach(function(datum) {
-    var peer = new Peer(datum.ipv4, datum.port);
-    peerman.addPeer(peer);
-  });
-
-  peerman.on('connection', function(conn) {
-    conn.on('inv', handle_inv);
-    conn.on('block', handle_block);
-    conn.on('tx', handle_tx);
-  });
-  peerman.on('connect', handle_connected);
-
-  peerman.start();
-}
-
-function main() {
-  peerdb_load();
-  p2psync();
-}
-
-main();
-

public/css/common.css

@@ -48,3 +48,16 @@ body {
   font-size: 10px;
 }
 
+#search { width: 400px; }
+
+
+
+/*Animations*/
+.fader.ng-enter {
+  transition: opacity 1s;
+  opacity: 0;
+}
+
+.fader.ng-enter-active {
+  opacity: 1;
+}

public/js/app.js

@@ -1,9 +1,24 @@
 'use strict';
 
-angular.module('mystery', ['ngCookies', 'ngResource', 'ngRoute', 'ui.bootstrap', 'ui.route', 'mystery.system', 'mystery.index', 'mystery.blocks', 'mystery.transactions', 'monospaced.qrcode', 'mystery.address']);
+var app = angular.module('mystery',
+    ['ngAnimate',
+    'ngCookies',
+    'ngResource',
+    'ngRoute',
+    'ui.bootstrap',
+    'ui.route',
+    'mystery.system',
+    'mystery.index',
+    'mystery.blocks',
+    'mystery.transactions',
+    'monospaced.qrcode',
+    'mystery.address',
+    'mystery.search'
+]);
 
 angular.module('mystery.system', []);
 angular.module('mystery.index', []);
 angular.module('mystery.blocks', []);
 angular.module('mystery.transactions', []);
 angular.module('mystery.address', []);
+angular.module('mystery.search', []);

public/js/controllers/index.js

@@ -1,16 +1,29 @@
 'use strict';
 
-angular.module('mystery.system').controller('IndexController', ['$scope', 'Global', 'Index', function($scope, Global, Index) {
+var TRANSACTION_DISPLAYED = 5;
+var BLOCKS_DISPLAYED = 5;
+angular.module('mystery.system').controller('IndexController', ['$scope', 'Global', 'socket', function($scope, Global, socket) {
   $scope.global = Global;
-  $scope.index = Index;
-}]);
-
-$(document).ready(function() {
-  var socket = io.connect('http://localhost');
   socket.on('tx', function(data) {
     var tx = data;
-    console.log('Transaction received! '+tx.txid);
+    console.log('Transaction received! ' + tx);
+    if ($scope.txs.length === TRANSACTION_DISPLAYED) {
+      $scope.txs.pop();
+    }
+    $scope.txs.unshift(tx);
   });
 
-});
+  socket.on('block', function(data) {
+    var block = data;
+    console.log('Block received! ' + block);
+    if ($scope.blocks.length === BLOCKS_DISPLAYED) {
+      $scope.blocks.pop();
+    }
+    $scope.blocks.unshift(block);
+  });
+
+  $scope.txs = [];
+  $scope.blocks = [];
+
+}]);
 

public/js/controllers/search.js

@@ -0,0 +1,35 @@
+'use strict';
+
+angular.module('mystery.search').controller('SearchController', ['$scope', '$routeParams', '$location', 'Global', 'Block', 'Transaction', 'Address', function ($scope, $routeParams, $location, Global, Block, Transaction, Address) {
+  $scope.global = Global;
+
+  $scope.search = function() {
+    var q = $scope.q;
+    var path;
+
+    $scope.badQuery = false;
+    $scope.q = '';
+
+    Block.get({
+      blockHash: q
+    }, function() {
+      $location.path('block/' + q);
+    }, function () { //block not found, search on TX
+      Transaction.get({
+        txId: q
+      }, function() {
+        $location.path('tx/' + q);
+      }, function () { //tx not found, search on Address
+        Address.get({
+          addrStr: q
+        }, function() {
+          $location.path('address/' + q);
+        }, function () { //address not found, fail :(
+          $scope.badQuery = true;
+          $scope.q = q;
+        });
+      });
+    });
+  };
+
+}]);

public/js/services/address.js

@@ -3,6 +3,20 @@
 angular.module('mystery.address').factory('Address', ['$resource', function($resource) {
   return $resource('/api/addr/:addrStr', {
     addrStr: '@addStr'
+  }, {
+    get: {
+      method: 'GET',
+      interceptor: {
+        response: function (res) {
+          return res.data;
+        },
+        responseError: function (res) {
+          if (res.status === 404) {
+            return res;
+          }
+        }
+      }
+    }
   });
 }]);
 

public/js/services/blocks.js

@@ -3,6 +3,20 @@
 angular.module('mystery.blocks').factory('Block', ['$resource', function($resource) {
   return $resource('/api/block/:blockHash', {
     blockHash: '@blockHash'
+  }, {
+    get: {
+      method: 'GET',
+      interceptor: {
+        response: function (res) {
+          return res.data;
+        },
+        responseError: function (res) {
+          if (res.status === 404) {
+            return res;
+          }
+        }
+      }
+    }
   });
 }]);
 

public/js/services/index.js

@@ -1,5 +1,26 @@
 'use strict';
 
-angular.module('mystery.index').factory('Index', ['$resource', function($resource) {
-  return $resource;
-}]);
+app.factory('socket', function($rootScope) {
+  var socket = io.connect();
+  return {
+    on: function(eventName, callback) {
+      socket.on(eventName, function() {
+        var args = arguments;
+        $rootScope.$apply(function() {
+          callback.apply(socket, args);
+        });
+      });
+    },
+    emit: function(eventName, data, callback) {
+      socket.emit(eventName, data, function() {
+        var args = arguments;
+        $rootScope.$apply(function() {
+          if (callback) {
+            callback.apply(socket, args);
+          }
+        });
+      });
+    }
+  };
+});
+

public/js/services/transactions.js

@@ -3,6 +3,20 @@
 angular.module('mystery.transactions').factory('Transaction', ['$resource', function($resource) {
   return $resource('/api/tx/:txId', {
     txId: '@txId'
+  }, {
+    get: {
+      method: 'GET',
+      interceptor: {
+        response: function (res) {
+          return res.data;
+        },
+        responseError: function (res) {
+          if (res.status === 404) {
+            return res;
+          }
+        }
+      }
+    }
   });
 }]);
 

public/views/blocks/list.html

@@ -11,7 +11,7 @@
       <li><a href="#!/blocks-date/{{pagination.next}}">{{pagination.next}} &raquo;</a></li>
     </ul>
   </div>
-  <table class="table table-striped">
+  <table class="table table-striped" ng-show="blocks || blocks.length">
     <thead>
       <th>Hash</th>
       <th>Solved at</th>
@@ -23,4 +23,5 @@
       </tr>
     </tbody>
   </table>
+  <h1 class="text-center text-muted" ng-hide="!blocks || blocks.length">No blocks yet.</h1>
 </section>

public/views/header.html

@@ -14,5 +14,13 @@
         <a href="#!/{{item.link}}">{{item.title}}</a>
       </li>
     </ul>
+    <div ng-controller="SearchController">
+      <form class="navbar-form navbar-left" role="search" ng-submit="search()">
+        <div class="form-group" ng-class="{'has-error': badQuery}">
+          <input id="search" type="text" class="form-control" ng-model="q" placeholder="Search for block, transaction or address">
+        </div>
+        <span class="text-danger" ng-show="badQuery">No matching records found!</span>
+      </form>
+    </div>
   </div>
 </div>

public/views/index.html

@@ -1,8 +1,19 @@
-<section data-ng-controller="IndexController" data-ng-init="last_blocks()">
-  <div class="jumbotron">
-    <h1>Hello, BitPay!</h1>
-    <p>Start here for blocks information</p>
-    <p><a href="/#!/blocks" class="btn btn-primary btn-lg">List all blocks</a></p>
+<section data-ng-controller="IndexController" data-ng-init="">
+  <div class="container">
+    <div class="row">
+      <div class="col-md-6">
+        <h3> New transactions </h3>
+        <div class="alert alert-info fader" ng-repeat='tx in txs'>
+          <a href="#!/tx/{{tx.txid}}">{{tx.txid}}</a>
+        </div>
+      </div>
+      <div class="col-md-6">
+        <h3> New blocks </h3>
+        <div class="alert alert-success fader" ng-repeat='b in blocks'>
+          <a href="#!/block/{{b.hash}}">{{b.hash}}</a>
+        </div>
+      </div>
+    </div>
   </div>
 </section>
 

server.js

@@ -43,7 +43,9 @@ walk(models_path);
 // p2p_sync process
 var ps = new PeerSync();
 ps.init({
-  skip_db_connection: true
+  skip_db_connection: true,
+  broadcast_txs: true,
+  broadcast_blocks: true
 });
 ps.run();
 
@@ -59,12 +61,13 @@ require('./config/routes')(app);
 // socket.io
 var server = require('http').createServer(app);
 var io = require('socket.io').listen(server);
-require('./app/views/sockets/main.js')(app,io);
+require('./app/views/sockets/main.js').init(app,io);
 
 //Start the app by listening on <port>
 var port = process.env.PORT || config.port;
-server.listen(port);
-console.log('Express app started on port ' + port);
+server.listen(port, function(){
+    console.log('Express server listening on port %d in %s mode', server.address().port, process.env.NODE_ENV);
+});
 
 //expose app
 exports = module.exports = app;

test/model/addr.js

@@ -40,6 +40,8 @@ describe('Address balances', function(){
           if (v.balance) assert.equal(v.balance, a.balance);
           if (v.totalReceived) assert.equal(v.totalReceived, a.totalReceived);
           if (v.totalSent) assert.equal(v.totalSent, a.totalSent);
+
+
           if (v.transactions) {
 
             v.transactions.forEach( function(tx) {