add real-world tx to transaction test

test/transaction.js

@@ -28,6 +28,10 @@ describe('Transaction', function() {
   var txhex = '000000000100000000000000000000000000000000000000000000000000000000000000000000000001ae0000000001050000000000000001ae00000000';
   var txbuf = new Buffer(txhex, 'hex');
 
+  var tx2idhex = '8c9aa966d35bfeaf031409e0001b90ccdafd8d859799eb945a3c515b8260bcf2';
+  var tx2hex = '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';
+  var tx2buf = new Buffer(tx2hex, 'hex');
+
   describe('#set', function() {
 
     it('should set all the basic parameters', function() {
@@ -55,6 +59,10 @@ describe('Transaction', function() {
       Transaction().fromBuffer(txbuf).toBuffer().toString('hex').should.equal(txhex);
     });
 
+    it('should recover from this known tx from the blockchain', function() {
+      Transaction().fromBuffer(tx2buf).toBuffer().toString('hex').should.equal(tx2hex);
+    });
+
   });
 
   describe('#fromBufferReader', function() {