New mdid

index.js

@@ -2,9 +2,7 @@
 
 require('isomorphic-fetch');
 require('es6-promise').polyfill();
-
 global.Symbol = require('core-js/es6/symbol');
-
 var Buffer = require('buffer').Buffer;
 
 // This fixes a bug with Safari < 8 and the Browserify Buffer shim used in Crypto-browserify/randombytes
@@ -46,5 +44,9 @@ module.exports = {
   BigInteger: require('bigi/lib'),
   BIP39: require('bip39'),
   Networks: require('bitcoinjs-lib/src/networks'),
-  ECDSA: require('bitcoinjs-lib/src/ecdsa')
+  ECDSA: require('bitcoinjs-lib/src/ecdsa'),
+  SharedMetadata: require('./src/sharedMetadata'),
+  Contacts: require('./src/contacts'),
+  SharedMetadataAPI: require('./src/sharedMetadataAPI'),
+  R: require('ramda')
 };

karma.conf.js

@@ -74,6 +74,9 @@ module.exports = function (config) {
       'tests/account_info_spec.js',
       'tests/metadata_spec.js',
       'tests/exchange_delegate_spec.js',
+      'tests/contact_spec.js',
+      'tests/facilitatedTx_spec.js',
+      'tests/contacts_spec.js',
       'tests/labels_spec.js',
       'tests/address_hd_spec.js'
     ]

package.json

@@ -44,14 +44,16 @@
     "bs58": "2.0.*",
     "es6-promise": "^3.0.2",
     "isomorphic-fetch": "^2.2.0",
+    "jwt-decode": "^2.1.0",
     "pbkdf2": "3.0.4",
     "ramda": "^0.22.1",
     "randombytes": "^2.0.1",
     "sjcl": "1.0.3",
     "unorm": "^1.4.1",
     "ws": "2.0.*",
-    "bitcoin-coinify-client": "^0.3.2",
-    "bitcoin-sfox-client": "0.1.*"
+    "bitcoin-coinify-client": "0.3.2*",
+    "bitcoin-sfox-client": "0.1.*",
+    "uuid": "^3.0.1"
   },
   "devDependencies": {
     "babel-plugin-transform-object-assign": "~6.22.0",

src/blockchain-wallet.js

@@ -21,6 +21,8 @@ var AccountInfo = require('./account-info');
 var Metadata = require('./metadata');
 var constants = require('./constants');
 var Payment = require('./payment');
+var SharedMetadata = require('./sharedMetadata');
+var Contacts = require('./contacts');
 var Labels = require('./labels');
 var Bitcoin = require('bitcoinjs-lib');
 
@@ -89,6 +91,7 @@ function Wallet (object) {
   this._latestBlock = null;
   this._accountInfo = null;
   this._external = null;
+  this._contacts = null;
 }
 
 Object.defineProperties(Wallet.prototype, {
@@ -239,6 +242,10 @@ Object.defineProperties(Wallet.prototype, {
     configurable: false,
     get: function () { return this._external; }
   },
+  'contacts': {
+    configurable: false,
+    get: function () { return this._contacts; }
+  },
   'isEncryptionConsistent': {
     configurable: false,
     get: function () {
@@ -828,6 +835,18 @@ Wallet.prototype.fetchAccountInfo = function () {
   });
 };
 
+Wallet.prototype.loadContacts = function () {
+  if (this.isDoubleEncrypted === true || !this.isUpgradedToHD) {
+    return Promise.resolve();
+  } else {
+    var masterhdnode = this.hdwallet.getMasterHDNode();
+    this._contacts = new Contacts(masterhdnode);
+    const signature = this._contacts._sharedMetadata.signWithMDID(this._guid);
+    this.MDIDregistration('register-mdid', signature.toString('base64'));
+    return this._contacts.fetch();
+  }
+};
+
 Wallet.prototype.metadata = function (typeId) {
   var masterhdnode = this.hdwallet.getMasterHDNode();
   return Metadata.fromMasterHDNode(masterhdnode, typeId);
@@ -916,6 +935,18 @@ Wallet.prototype.createPayment = function (initialState) {
   return new Payment(this, initialState);
 };
 
+Wallet.prototype.MDIDregistration = function (method, signedMDID) {
+  // method: register-mdid / unregister-mdid
+  var data = {
+    guid: this._guid,
+    sharedKey: this._sharedKey,
+    method: method,
+    payload: signedMDID,
+    length: signedMDID.length
+  };
+  return API.request('POST', 'wallet', data);
+};
+
 Wallet.prototype.cacheMetadataKey = function (secondPassword) {
   if (!secondPassword) { return Promise.reject('second password needed'); }
   if (!this.validateSecondPassword(secondPassword)) { return Promise.reject('wrong second password'); }

src/contact.js

@@ -0,0 +1,90 @@
+'use strict';
+
+const Bitcoin = require('bitcoinjs-lib');
+const Metadata = require('./metadata');
+// individual imports to reduce bundle size
+const assoc = require('ramda/src/assoc');
+const prop = require('ramda/src/prop');
+const map = require('ramda/src/map');
+const uuid = require('uuid');
+const FacilitatedTx = require('./facilitatedTx');
+
+class Contact {
+  constructor (o) {
+    this.id = o.id;
+    this.mdid = o.mdid;
+    this.name = o.name;
+    this.xpub = o.xpub;
+    this.trusted = o.trusted;
+    this.invitationSent = o.invitationSent;  // I invited somebody
+    this.invitationReceived = o.invitationReceived; // Somebody invited me
+    this.facilitatedTxList = o.facilitatedTxList ? map(FacilitatedTx.factory, o.facilitatedTxList) : {};
+  }
+  get pubKey () {
+    return this.xpub ? Bitcoin.HDNode.fromBase58(this.xpub).keyPair : null;
+  }
+}
+
+Contact.factory = function (o) {
+  return new Contact(o);
+};
+
+Contact.new = function (o) {
+  const id = uuid();
+  const namedContact = assoc('id', id, o);
+  return new Contact(namedContact);
+};
+
+Contact.prototype.fetchXPUB = function () {
+  return this.mdid
+    ? Metadata.read(this.mdid).then((r) => { this.xpub = r.xpub; return r.xpub; })
+    : Promise.reject('UNKNOWN_MDID');
+};
+
+// create and add a request payment request to that contact facilitated tx list
+Contact.prototype.RPR = function (intendedAmount, id, role, note) {
+  const rpr = FacilitatedTx.RPR(intendedAmount, id, role, note);
+  this.facilitatedTxList = assoc(id, rpr, this.facilitatedTxList);
+  return rpr;
+};
+
+// create and/or add a payment request to that contact facilitated tx list
+Contact.prototype.PR = function (intendedAmount, id, role, address, note) {
+  var existingTx = prop(id, this.facilitatedTxList);
+  if (existingTx) {
+    existingTx.address = address;
+    existingTx.state = FacilitatedTx.WAITING_PAYMENT;
+    existingTx.last_updated = Date.now();
+    return existingTx;
+  } else {
+    const pr = FacilitatedTx.PR(intendedAmount, id, role, address, note);
+    this.facilitatedTxList = assoc(id, pr, this.facilitatedTxList);
+    return pr;
+  }
+};
+
+// modify the state of facilitated tx to broadcasted
+Contact.prototype.PRR = function (txHash, id) {
+  var existingTx = prop(id, this.facilitatedTxList);
+  existingTx.tx_hash = txHash;
+  existingTx.state = FacilitatedTx.PAYMENT_BROADCASTED;
+  existingTx.last_updated = Date.now();
+  return existingTx;
+};
+
+// modify the state of facilitated tx to declined
+Contact.prototype.Decline = function (id) {
+  var existingTx = prop(id, this.facilitatedTxList);
+  existingTx.state = FacilitatedTx.DECLINED;
+  existingTx.last_updated = Date.now();
+  return existingTx;
+};
+
+// modify the state of facilitated tx to Cancelled
+Contact.prototype.Cancel = function (id) {
+  var existingTx = prop(id, this.facilitatedTxList);
+  existingTx.state = FacilitatedTx.CANCELLED;
+  existingTx.last_updated = Date.now();
+  return existingTx;
+};
+module.exports = Contact;