fix transaction serialization/deserialization

[closes #58]

test/transaction.js

@@ -0,0 +1,26 @@
+var Transaction = require('../src/transaction.js').Transaction
+var convert = require('../src/convert.js')
+var assert = require('assert')
+
+describe('Transaction', function() {
+  describe('deserialize', function() {
+    var tx, serializedTx
+    beforeEach(function() {
+      serializedTx = [
+        '0100000001344630cbff61fbc362f7e1ff2f11a344c29326e4ee96e78',
+        '7dc0d4e5cc02fd069000000004a493046022100ef89701f460e8660c8',
+        '0808a162bbf2d676f40a331a243592c36d6bd1f81d6bdf022100d29c0',
+        '72f1b18e59caba6e1f0b8cadeb373fd33a25feded746832ec179880c2',
+        '3901ffffffff0100f2052a010000001976a914dd40dedd8f7e3746662',
+        '4c4dacc6362d8e7be23dd88ac00000000'
+      ].join('')
+    })
+
+    it('works', function() {
+      var actual = Transaction.deserialize(serializedTx).serialize()
+      var expected = convert.hexToBytes(serializedTx)
+      assert.deepEqual(actual, expected)
+    })
+  })
+
+})