change names to HD and fix HD* tests

js/models/core/HDPath.js

@@ -0,0 +1,75 @@
+'use strict';
+
+var preconditions = require('preconditions').singleton();
+
+function HDPath() {}
+
+/*
+ * Based on https://github.com/maraoz/bips/blob/master/bip-NNNN.mediawiki
+ * m / purpose' / copayerIndex / change / addressIndex
+ */
+var PURPOSE = 45;
+var MAX_NON_HARDENED = 0x80000000 - 1;
+
+var SHARED_INDEX = MAX_NON_HARDENED - 0;
+var ID_INDEX = MAX_NON_HARDENED - 1;
+
+var BIP45_PUBLIC_PREFIX = 'm/' + PURPOSE + '\'';
+HDPath.BIP45_PUBLIC_PREFIX = BIP45_PUBLIC_PREFIX;
+
+HDPath.Branch = function(addressIndex, isChange, copayerIndex) {
+  preconditions.shouldBeNumber(addressIndex);
+  preconditions.shouldBeBoolean(isChange);
+  var ret = 'm/' +
+    (typeof copayerIndex !== 'undefined' ? copayerIndex : SHARED_INDEX) + '/' +
+    (isChange ? 1 : 0) + '/' +
+    addressIndex;
+  return ret;
+};
+
+HDPath.FullBranch = function(addressIndex, isChange, copayerIndex) {
+  var sub = HDPath.Branch(addressIndex, isChange, copayerIndex);
+  sub = sub.substring(2);
+  return BIP45_PUBLIC_PREFIX + '/' + sub;
+};
+
+HDPath.indicesForPath = function(path) {
+  preconditions.shouldBeString(path);
+  var s = path.split('/');
+  return {
+    isChange: s[3] === '1',
+    index: parseInt(s[4]),
+    cosigner: parseInt(s[2])
+  };
+};
+
+HDPath.IdFullBranch = HDPath.FullBranch(0, false, ID_INDEX);
+HDPath.IdBranch = HDPath.Branch(0, false, ID_INDEX);
+HDPath.PURPOSE = PURPOSE;
+HDPath.MAX_NON_HARDENED = MAX_NON_HARDENED;
+HDPath.SHARED_INDEX = SHARED_INDEX;
+HDPath.ID_INDEX = ID_INDEX;
+
+HDPath.parseBitcoinURI = function(uri) {
+  var ret = {};
+  var data = decodeURIComponent(uri);
+  var splitDots = data.split(':');
+  ret.protocol = splitDots[0];
+  data = splitDots[1];
+  var splitQuestion = data.split('?');
+  ret.address = splitQuestion[0];
+
+  if (splitQuestion.length > 1) {
+    var search = splitQuestion[1];
+    data = JSON.parse('{"' + search.replace(/&/g, '","').replace(/=/g, '":"') + '"}',
+                      function(key, value) {
+                        return key === "" ? value : decodeURIComponent(value);
+                      });
+                      ret.amount = parseFloat(data.amount);
+                      ret.message = data.message;
+  }
+
+  return ret;
+};
+
+module.exports = HDPath;