Improve initialization of a simple node

api/controllers/transactions.js

@@ -25,7 +25,7 @@ Transactions.setNode = function(aNode) {
  * Finds a transaction by its hash
  */
 Transactions.txHashParam = function(req, res, next, txHash) {
-  node.getTransaction(txHash)
+  node.transactionService.getTransaction(txHash)
     .then(function(tx) {
       req.tx = tx;
     })

lib/node.js

@@ -4,22 +4,31 @@ var util = require('util');
 var EventEmitter = require('eventemitter2').EventEmitter2;
 
 var bitcore = require('bitcore');
+var config = require('config');
 var p2p = require('bitcore-p2p');
 var messages = new p2p.Messages();
 var $ = bitcore.util.preconditions;
+var Promise = require('bluebird');
+var RPC = require('bitcoind-rpc');
 
 var NetworkMonitor = require('./networkmonitor');
 var EventBus = require('./eventbus');
-var BlockService = require('./services/block.js');
 
-var BitcoreNode = function(bus, networkMonitor) {
+var LevelUp = require('levelup');
+var BlockService = require('./services/block');
+var TransactionService = require('./services/transaction');
+var AddressService = require('./services/address');
+
+var BitcoreNode = function(bus, networkMonitor, blockService, transactionService, addressService) {
   $.checkArgument(bus);
   $.checkArgument(networkMonitor);
   var self = this;
   this.bus = bus;
   this.networkMonitor = networkMonitor;
 
-  this.blockService = new BlockService();
+  this.addressService = addressService;
+  this.transactionService = transactionService;
+  this.blockService = blockService;
 
   this.bus.register(bitcore.Block, this.blockService.onBlock.bind(this.blockService));
 
@@ -38,9 +47,30 @@ util.inherits(BitcoreNode, EventEmitter);
 
 BitcoreNode.create = function(opts) {
   opts = opts || {};
+
   var bus = new EventBus();
+
   var networkMonitor = NetworkMonitor.create(bus, opts.NetworkMonitor);
-  return new BitcoreNode(bus, networkMonitor);
+
+  var database = new LevelUp(opts.LevelUp || config.get('LevelUp'));
+  var rpc = Promise.promisifyAll(new RPC(config.get('RPC')));
+
+  var transactionService = new TransactionService({
+    rpc: rpc,
+    database: database
+  });
+  var blockService = new BlockService({
+    rpc: rpc,
+    database: database,
+    transactionService: transactionService
+  });
+  var addressService = new AddressService({
+    rpc: rpc,
+    database: database,
+    transactionService: transactionService,
+    blockService: blockService
+  });
+  return new BitcoreNode(bus, networkMonitor, blockService, transactionService, addressService);
 };
 
 BitcoreNode.prototype.start = function() {

lib/services/address.js

@@ -3,6 +3,7 @@
 var Promise = require('bluebird');
 var bitcore = require('bitcore');
 var TransactionService = require('./transaction');
+var RPC = require('bitcoind-rpc');
 var _ = bitcore.deps._;
 
 var NULLTXHASH = bitcore.util.buffer.emptyBuffer(32).toString('hex');