fix all tests

lib/transaction/sighash.js

@@ -73,7 +73,7 @@ var sighash = function sighash(transaction, sighashType, inputNumber, subscript)
 
     for (i = 0; i < inputNumber; i++) {
       txcopy.outputs[i] = new Output({
-        satoshis: BN().fromBuffer(new buffer.Buffer(BITS_64_ON, 'hex')),
+        satoshis: BN.fromBuffer(new buffer.Buffer(BITS_64_ON, 'hex')),
         script: Script.empty()
       });
     }
@@ -83,7 +83,7 @@ var sighash = function sighash(transaction, sighashType, inputNumber, subscript)
     txcopy.inputs = [txcopy.inputs[inputNumber]];
   }
 
-  var buf = BufferWriter()
+  var buf = new BufferWriter()
     .write(txcopy.toBuffer())
     .writeInt32LE(sighashType)
     .toBuffer();

test/script/interpreter.js

@@ -251,7 +251,7 @@ describe('Interpreter', function() {
     testAllFixtures(script_invalid, false);
 
   });
-  describe.only('bitcoind transaction evaluation fixtures', function() {
+  describe('bitcoind transaction evaluation fixtures', function() {
     var test_txs = function(set, expected) {
       var c = 0;
       set.forEach(function(vector) {