remove method getFingerprint(), add property fingerprint

CHANGELOG.md

@@ -8,6 +8,7 @@ x.y.z / 2014-06-dd
 - changed constructor from `new HDKey(masterSeed, [versions])` to `new HDKey([versions])`
 - added properties: `privateKey` and `publicKey`
 - removed method `getIdentifier()`, added property `identifier`
+- removed method `getFingerprint()`, added property `fingerprint`
 
 0.0.1 / 2014-05-29
 ------------------

lib/hdkey.js

@@ -27,11 +27,8 @@ function HDKey(versions) {
   this.chainCode = null
 }
 
-Object.defineProperty(HDKey.prototype, 'identifier', {
-  get: function() {
-    return this._identifier
-  }
-})
+Object.defineProperty(HDKey.prototype, 'fingerprint', {get: function() { return this.identifier.slice(0, 4) } })
+Object.defineProperty(HDKey.prototype, 'identifier', {get: function() { return this._identifier } })
 
 Object.defineProperty(HDKey.prototype, 'privateKey', {
   get: function() {
@@ -71,10 +68,6 @@ Object.defineProperty(HDKey.prototype, 'publicOld', {
   }
 })
 
-HDKey.prototype.getFingerprint = function() {
-  return this.identifier.slice(0, 4)
-}
-
 
 HDKey.prototype.derive = function(path) {
   var e = path.split('/')
@@ -170,7 +163,7 @@ HDKey.prototype.deriveChild = function(index) {
 
   hd.chainCode = IR
   hd.depth = this.depth + 1
-  hd.parentFingerprint = this.getFingerprint().readUInt32BE(0)
+  hd.parentFingerprint = this.fingerprint.readUInt32BE(0)
   hd.index = index
 
   return hd