From d76cd8ec5a894b8fd3846075353be1ed98a7c38a Mon Sep 17 00:00:00 2001
From: Ivan Socolsky <jungans@gmail.com>
Date: Mon, 29 Jun 2015 12:20:24 -0300
Subject: [PATCH 1/2] add client-version to expressapp

---
 lib/expressapp.js          | 14 +++++++++++---
 lib/server.js              | 13 +++++++++++--
 test/integration/server.js |  8 ++++++++
 3 files changed, 30 insertions(+), 5 deletions(-)

diff --git a/lib/expressapp.js b/lib/expressapp.js
index cc6bcc2..eddfc8f 100644
--- a/lib/expressapp.js
+++ b/lib/expressapp.js
@@ -33,7 +33,7 @@ ExpressApp.prototype.start = function(opts, cb) {
   this.app.use(function(req, res, next) {
     res.setHeader('Access-Control-Allow-Origin', '*');
     res.setHeader('Access-Control-Allow-Methods', 'GET, POST, OPTIONS, PUT, DELETE');
-    res.setHeader('Access-Control-Allow-Headers', 'x-signature,x-identity,X-Requested-With,Content-Type,Authorization');
+    res.setHeader('Access-Control-Allow-Headers', 'x-signature,x-identity,x-client-version,X-Requested-With,Content-Type,Authorization');
     next();
   });
   var allowCORS = function(req, res, next) {
@@ -104,6 +104,13 @@ ExpressApp.prototype.start = function(opts, cb) {
     };
   };
 
+  function getServer(req, res, cb) {
+    var opts = {
+      clientVersion: req.header('x-client-version'),
+    };
+    return WalletService.getInstance(opts);
+  };
+
   function getServerWithAuth(req, res, cb) {
     var credentials = getCredentials(req);
     if (!credentials)
@@ -115,6 +122,7 @@ ExpressApp.prototype.start = function(opts, cb) {
       copayerId: credentials.copayerId,
       message: req.method.toLowerCase() + '|' + req.url + '|' + JSON.stringify(req.body),
       signature: credentials.signature,
+      clientVersion: req.header('x-client-version'),
     };
     WalletService.getInstanceWithAuth(auth, function(err, server) {
       if (err) return returnError(err, res, req);
@@ -123,7 +131,7 @@ ExpressApp.prototype.start = function(opts, cb) {
   };
 
   router.post('/v1/wallets/', function(req, res) {
-    var server = WalletService.getInstance();
+    var server = getServer(req, res);
     server.createWallet(req.body, function(err, walletId) {
       if (err) return returnError(err, res, req);
       res.json({
@@ -134,7 +142,7 @@ ExpressApp.prototype.start = function(opts, cb) {
 
   router.post('/v1/wallets/:id/copayers/', function(req, res) {
     req.body.walletId = req.params['id'];
-    var server = WalletService.getInstance();
+    var server = getServer(req, res);
     server.joinWallet(req.body, function(err, result) {
       if (err) return returnError(err, res, req);
 
diff --git a/lib/server.js b/lib/server.js
index b1e6c40..4d5f296 100644
--- a/lib/server.js
+++ b/lib/server.js
@@ -131,8 +131,16 @@ WalletService.shutDown = function(cb) {
   });
 };
 
-WalletService.getInstance = function() {
-  return new WalletService();
+/**
+ * Gets an instance of the server without authentication.
+ * @param {Object} opts
+ * @param {string} opts.clientVersion - A string that identifies the client issuing the request
+ */
+WalletService.getInstance = function(opts) {
+  opts = opts || {};
+  var server = new WalletService();
+  server.clientVersion = opts.clientVersion;
+  return server;
 };
 
 /**
@@ -141,6 +149,7 @@ WalletService.getInstance = function() {
  * @param {string} opts.copayerId - The copayer id making the request.
  * @param {string} opts.message - The contents of the request to be signed.
  * @param {string} opts.signature - Signature of message to be verified using the copayer's requestPubKey
+ * @param {string} opts.clientVersion - A string that identifies the client issuing the request
  */
 WalletService.getInstanceWithAuth = function(opts, cb) {
 
diff --git a/test/integration/server.js b/test/integration/server.js
index 0197b37..08c54a0 100644
--- a/test/integration/server.js
+++ b/test/integration/server.js
@@ -574,6 +574,14 @@ describe('Wallet service', function() {
     });
   });
 
+  describe('#getInstance', function() {
+    it('should get server instance', function() {
+      var server = WalletService.getInstance({
+        clientVersion: 'bwc-0.0.1',
+      });
+      server.clientVersion.should.equal('bwc-0.0.1');
+    });
+  });
 
   describe('#getInstanceWithAuth', function() {
     it('should get server instance for existing copayer', function(done) {

From 7ff9ceceb7576ce47bbb52da3f9517f06597acbf Mon Sep 17 00:00:00 2001
From: Ivan Socolsky <jungans@gmail.com>
Date: Mon, 29 Jun 2015 12:20:39 -0300
Subject: [PATCH 2/2] v0.0.38

---
 package.json | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/package.json b/package.json
index 777f859..bbbc00f 100644
--- a/package.json
+++ b/package.json
@@ -2,7 +2,7 @@
   "name": "bitcore-wallet-service",
   "description": "A service for Mutisig HD Bitcoin Wallets",
   "author": "BitPay Inc",
-  "version": "0.0.37",
+  "version": "0.0.38",
   "keywords": [
     "bitcoin",
     "copay",