diff --git a/binding.gyp b/binding.gyp
index 9b416ecf..22b905fb 100644
--- a/binding.gyp
+++ b/binding.gyp
@@ -56,6 +56,10 @@
 
       # bitcoind:
       '<(BITCOIN_DIR)/src/libbitcoind.so',
+
+      # '<(BITCOIN_DIR)/src/libbitcoin_server.a',
+      # '<(BITCOIN_DIR)/src/libbitcoin_common.a',
+      # '<(BITCOIN_DIR)/src/libbitcoin_wallet.a',
     ]
   }]
 }
diff --git a/lib/bitcoind.js b/lib/bitcoind.js
index f869c032..3f1fc431 100644
--- a/lib/bitcoind.js
+++ b/lib/bitcoind.js
@@ -9,6 +9,7 @@ var EventEmitter = require('events').EventEmitter;
 var bitcoindjs = require('../build/Release/bitcoindjs.node');
 var util = require('util');
 var net = require('net');
+var bn = require('bn.js');
 
 /**
  * Bitcoin
@@ -279,6 +280,86 @@ Bitcoin.prototype.close = function(callback) {
   });
 };
 
+/**
+ * Block
+ */
+
+function Block(data) {
+  if (!(this instanceof Block)) {
+    return new Block(data);
+  }
+}
+
+/**
+ * Transaction
+ */
+
+function Transaction(data) {
+  if (!(this instanceof Transaction)) {
+    return new Transaction(data);
+  }
+
+  this.nMinTxFee = data.nMinTxFee || new bn(0);
+  this.nMinRelayTxFee = data.nMinRelayTxFee || new bn(0);
+  this.CURRENT_VERSION = 1;
+  this.nVersion = data.nVersion || -1;
+  this.vin = data.vin || [];
+  this.vout = data.vout || [];
+  this.nLockTime = data.nLockTime || null;
+}
+
+Transaction.prototype.getSerializeSize = function() {
+  ;
+};
+
+Transaction.prototype.serialize = function() {
+  ;
+};
+
+Transaction.prototype.unserialize = function() {
+  ;
+};
+
+Transaction.prototype.setNull = function() {
+  ;
+};
+
+Transaction.prototype.isNull = function() {
+  ;
+};
+
+Transaction.prototype.getHash = function() {
+  ;
+};
+
+Transaction.prototype.getValueOut = function() {
+  ;
+};
+
+Transaction.prototype.computePriority = function() {
+  ;
+};
+
+Transaction.prototype.isCoinbase = function() {
+  ;
+};
+
+Transaction.prototype.equal = function() {
+  ;
+};
+
+Transaction.prototype.notEqual = function() {
+  ;
+};
+
+Transaction.prototype.toString = function() {
+  ;
+};
+
+Transaction.prototype.print = function() {
+  ;
+};
+
 /**
  * Utils
  */
diff --git a/package.json b/package.json
index 54b127d9..ef6ef535 100644
--- a/package.json
+++ b/package.json
@@ -17,7 +17,8 @@
     "bitcoind"
   ],
   "dependencies": {
-    "nan": "1.3.0"
+    "nan": "1.3.0",
+    "bn.js": "^0.10.0"
   },
   "devDependencies": {
     "mocha": "~1.16.2"