Use define immutable helper

lib/address.js

@@ -74,19 +74,10 @@ function Address(data, network, type) {
   info.network = info.network || Networks.get(network) || Networks.defaultNetwork;
   info.type = info.type || type || Address.PayToPublicKeyHash;
 
-  Object.defineProperty(this, 'hashBuffer', {
+  JSUtil.defineImmutable(this, {
-    configurable: false,
+    hashBuffer: info.hashBuffer,
-    value: info.hashBuffer
+    network: info.network,
-  });
+    type: info.type
-
-  Object.defineProperty(this, 'network', {
-    configurable: false,
-    value: info.network
-  });
-
-  Object.defineProperty(this, 'type', {
-    configurable: false,
-    value: info.type
   });
 
   return this;

lib/blockheader.js

@@ -215,6 +215,7 @@ BlockHeader.prototype._getHash = function hash() {
 var idProperty = {
   configurable: false,
   writeable: false,
+  enumerable: true,
   /**
   * @returns {string} - The big endian hash buffer of the header
   */

lib/hdprivatekey.js

@@ -358,9 +358,9 @@ HDPrivateKey.prototype._buildFromBuffers = function(arg) {
   /* jshint maxstatements: 20 */
 
   HDPrivateKey._validateBufferArguments(arg);
-  Object.defineProperty(this, '_buffers', {
+
-    configurable: false,
+  JSUtil.defineImmutable(this, {
-    value: arg
+    _buffers: arg
   });
 
   var sequence = [

lib/hdpublickey.js

@@ -297,9 +297,8 @@ HDPublicKey.prototype._buildFromBuffers = function (arg) {
 
   HDPublicKey._validateBufferArguments(arg);
 
-  Object.defineProperty(this, '_buffers', {
+  JSUtil.defineImmutable(this, {
-    configurable: false,
+    _buffers: arg
-    value: arg
   });
 
   var sequence = [

lib/opcode.js

@@ -3,6 +3,7 @@
 var _ = require('lodash');
 var $ = require('./util/preconditions');
 var BufferUtil = require('./util/buffer');
+var JSUtil = require('./util/js');
 
 function Opcode(num) {
   if (!(this instanceof Opcode)) {
@@ -19,9 +20,8 @@ function Opcode(num) {
     throw new TypeError('Unrecognized num type: "' + typeof(num) + '" for Opcode');
   }
 
-  Object.defineProperty(this, 'num', {
+  JSUtil.defineImmutable(this, {
-    configurable: false,
+    num: value
-    value: value
   });
 
   return this;

lib/privatekey.js

@@ -57,23 +57,15 @@ var PrivateKey = function PrivateKey(data, network) {
     throw new TypeError('Must specify the network ("livenet" or "testnet")');
   }
 
-  Object.defineProperty(this, 'bn', {
+  JSUtil.defineImmutable(this, {
-    configurable: false,
+    bn: info.bn,
-    value: info.bn
+    compressed: info.compressed,
-  });
+    network: info.network
-
-  Object.defineProperty(this, 'compressed', {
-    configurable: false,
-    value: info.compressed
-  });
-
-  Object.defineProperty(this, 'network', {
-    configurable: false,
-    value: info.network
   });
 
   Object.defineProperty(this, 'publicKey', {
     configurable: false,
+    enumerable: true,
     get: this.toPublicKey.bind(this)
   });
 

lib/publickey.js

@@ -52,23 +52,13 @@ var PublicKey = function PublicKey(data, extra) {
   // validation
   info.point.validate();
 
-  Object.defineProperty(this, 'point', {
+  JSUtil.defineImmutable(this, {
-    configurable: false,
+    point: info.point,
-    value: info.point
+    compressed: info.compressed,
-  });
+    network: info.network || Network.defaultNetwork
-
-  Object.defineProperty(this, 'compressed', {
-    configurable: false,
-    value: info.compressed
-  });
-
-  Object.defineProperty(this, 'network', {
-    configurable: false,
-    value: info.network || Network.defaultNetwork
   });
 
   return this;
-
 };
 
 /**

lib/transaction/input/input.js

@@ -22,6 +22,7 @@ function Input(params) {
 Object.defineProperty(Input.prototype, 'script', {
   configurable: false,
   writeable: false,
+  enumerable: true,
   get: function() {
     if (!this._script) {
       this._script = new Script(this._scriptBuffer);

lib/transaction/output.js

@@ -20,6 +20,7 @@ function Output(params) {
 Object.defineProperty(Output.prototype, 'script', {
   configurable: false,
   writeable: false,
+  enumerable: true,
   get: function() {
     if (!this._script) {
       this._script = new Script(this._scriptBuffer);
@@ -31,6 +32,7 @@ Object.defineProperty(Output.prototype, 'script', {
 Object.defineProperty(Output.prototype, 'satoshis', {
   configurable: false,
   writeable: true,
+  enumerable: true,
   get: function() {
     return this._satoshis.toNumber();
   },

lib/transaction/transaction.js

@@ -81,6 +81,7 @@ Transaction.shallowCopy = function(transaction) {
 var hashProperty = {
   configurable: false,
   writeable: false,
+  enumerable: true,
   get: function() {
     return new BufferReader(this._getHash()).readReverse().toString('hex');
   }