diff --git a/.rubocop.yml b/.rubocop.yml
index 6e6a7b45..0aba40a8 100644
--- a/.rubocop.yml
+++ b/.rubocop.yml
@@ -233,3 +233,6 @@ Metrics/ParameterLists:
 
 Metrics/PerceivedComplexity:
   Enabled: false
+
+Bundler/OrderedGems:
+  Enabled: false
diff --git a/.travis.yml b/.travis.yml
index 65a25925..370ae330 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,5 +1,6 @@
 sudo: false
 language: ruby
+dist: trusty
 cache:
   directories:
     - "travis_phantomjs"
diff --git a/Gemfile b/Gemfile
index 94bbb9f8..41065c13 100644
--- a/Gemfile
+++ b/Gemfile
@@ -13,9 +13,9 @@ end
 gem 'solidus_auth_devise', '~> 1.0'
 
 group :development, :test do
-  gem "chromedriver-helper"
   gem "pry-rails"
-  gem "selenium-webdriver"
+  gem 'selenium-webdriver', require: false
+  gem 'chromedriver-helper', require: false
 end
 
 gemspec
diff --git a/app/assets/javascripts/spree/backend/solidus_paypal_braintree.js b/app/assets/javascripts/spree/backend/solidus_paypal_braintree.js
index 8aa3b014..1f3a4ef9 100644
--- a/app/assets/javascripts/spree/backend/solidus_paypal_braintree.js
+++ b/app/assets/javascripts/spree/backend/solidus_paypal_braintree.js
@@ -1,2 +1,42 @@
-// Placeholder manifest file.
-// the installer will append this file to the app vendored assets here: vendor/assets/javascripts/spree/backend/all.js'
\ No newline at end of file
+//= require spree/braintree_hosted_form.js
+
+$(function() {
+  var $paymentForm = $("#new_payment"),
+      $hostedFields = $("[data-braintree-hosted-fields]");
+
+  function onError (err) {
+    var msg = err.name + ": " + err.message;
+    show_flash("error", msg);
+    console.error(err);
+  }
+
+  // exit early if we're not looking at the New Payment form, or if no
+  // SolidusPaypalBraintree payment methods have been configured.
+  if (!$paymentForm.length || !$hostedFields.length) { return; }
+
+  $hostedFields.each(function() {
+    var $this = $(this),
+        $new = $("[name=card]", $this);
+
+    var id = $this.data("id");
+
+    var hostedFieldsInstance;
+
+    $new.on("change", function() {
+      var isNew = $(this).val() === "new";
+
+      function setHostedFieldsInstance(instance) {
+        hostedFieldsInstance = instance;
+        return instance;
+      }
+
+      if (isNew && hostedFieldsInstance == null) {
+        braintreeForm = new BraintreeHostedForm($paymentForm, $this, id);
+        braintreeForm.initializeHostedFields().
+          then(setHostedFieldsInstance).
+          then(braintreeForm.addFormHook(onError)).
+          fail(onError)
+      }
+    });
+  });
+});
diff --git a/app/assets/javascripts/spree/braintree_hosted_form.js b/app/assets/javascripts/spree/braintree_hosted_form.js
new file mode 100644
index 00000000..30e68835
--- /dev/null
+++ b/app/assets/javascripts/spree/braintree_hosted_form.js
@@ -0,0 +1,101 @@
+//= require vendor/braintree/client.js
+//= require vendor/braintree/hosted_fields.js
+
+function BraintreeHostedForm($paymentForm, $hostedFields, paymentMethodId) {
+  this.paymentForm = $paymentForm;
+  this.hostedFields = $hostedFields;
+  this.paymentMethodId = paymentMethodId;
+}
+
+BraintreeHostedForm.prototype.initializeHostedFields = function() {
+  return this.getToken().
+    then(this.createClient.bind(this)).
+    then(this.createHostedFields())
+}
+
+BraintreeHostedForm.prototype.promisify = function (fn, args, self) {
+  var d = $.Deferred();
+
+  fn.apply(self || this, (args || []).concat(function (err, data) {
+    err && d.reject(err);
+    d.resolve(data);
+  }));
+
+  return d.promise();
+}
+
+BraintreeHostedForm.prototype.getToken = function () {
+  var opts = {
+    url: "/solidus_paypal_braintree/client_token",
+    method: "POST",
+    data: {
+      payment_method_id: this.paymentMethodId
+    },
+  };
+
+  function onSuccess(data) {
+    return data.client_token;
+  }
+
+  return Spree.ajax(opts).then(onSuccess);
+}
+
+BraintreeHostedForm.prototype.createClient = function (token) {
+  var opts = { authorization: token };
+  return this.promisify(braintree.client.create, [opts]);
+}
+
+BraintreeHostedForm.prototype.createHostedFields = function () {
+  var self = this;
+  var id = this.paymentMethodId;
+
+  return function(client) {
+    var opts = {
+      client: client,
+
+      fields: {
+        number: {
+          selector: "#card_number" + id
+        },
+
+        cvv: {
+          selector: "#card_code" + id
+        },
+
+        expirationDate: {
+          selector: "#card_expiry" + id
+        }
+      }
+    };
+
+    return self.promisify(braintree.hostedFields.create, [opts]);
+  }
+}
+
+BraintreeHostedForm.prototype.addFormHook = function (errorCallback) {
+  var self = this;
+  var shouldSubmit = false;
+
+  function submit(payload) {
+    shouldSubmit = true;
+
+    $("#payment_method_nonce", self.hostedFields).val(payload.nonce);
+    self.paymentForm.submit();
+  }
+
+  return function(hostedFields) {
+    self.paymentForm.on("submit", function(e) {
+      if (self.hostedFields.is(":visible") && !shouldSubmit) {
+        e.preventDefault()
+
+        hostedFields.tokenize(function(err, payload) {
+          if (err) {
+            errorCallback(err);
+          } else {
+            submit(payload);
+          }
+        })
+      }
+    });
+  }
+}
diff --git a/app/assets/javascripts/spree/checkout/braintree.js b/app/assets/javascripts/spree/checkout/braintree.js
new file mode 100644
index 00000000..f0f1d6eb
--- /dev/null
+++ b/app/assets/javascripts/spree/checkout/braintree.js
@@ -0,0 +1,35 @@
+$(function() {
+  /* This provides a default error handler for Braintree. Since we prevent
+   * submission if tokenization fails, we need to manually re-enable the
+   * submit button. */
+  function braintreeError (err) {
+    alert(err.name + ": " + err.message);
+
+    $submitButton = $("input[type='submit']", $paymentForm);
+    /* If we're using jquery-ujs on the frontend, it will automatically disable
+     * the submit button, but do so in a setTimeout here:
+     * https://github.com/rails/jquery-rails/blob/master/vendor/assets/javascripts/jquery_ujs.js#L517
+     * The only way we can re-enable it is by delaying longer than that timeout
+     * or stopping propagation so their submit handler doesn't run. */
+    if ($.rails) {
+      setTimeout(function () {
+        $.rails.enableFormElement($submitButton);
+      }, 100);
+    }
+    /* This reverses Spree.disableSaveOnClick() */
+    $submitButton.attr("disabled", false).addClass("primary").removeClass("disabled");
+  }
+
+  var $paymentForm = $("#checkout_form_payment"),
+  $hostedFields = $("[data-braintree-hosted-fields]");
+
+  $hostedFields.each(function() {
+    var $this = $(this);
+    var id = $this.data("id");
+
+    var braintreeForm = new BraintreeHostedForm($paymentForm, $this, id);
+    braintreeForm.initializeHostedFields().
+      then(braintreeForm.addFormHook(braintreeError)).
+      fail(braintreeError);
+  });
+});
diff --git a/app/assets/javascripts/spree/frontend/paypal_button.js b/app/assets/javascripts/spree/frontend/paypal_button.js
index df8a1586..cb29ca4e 100644
--- a/app/assets/javascripts/spree/frontend/paypal_button.js
+++ b/app/assets/javascripts/spree/frontend/paypal_button.js
@@ -1,3 +1,5 @@
+//= require braintree/3.5.0/paypal
+
 /**
  * Constructor for PayPal button object
  * @constructor
diff --git a/app/assets/javascripts/spree/frontend/solidus_paypal_braintree.js b/app/assets/javascripts/spree/frontend/solidus_paypal_braintree.js
index 7a3708c6..e2dfe355 100644
--- a/app/assets/javascripts/spree/frontend/solidus_paypal_braintree.js
+++ b/app/assets/javascripts/spree/frontend/solidus_paypal_braintree.js
@@ -1,5 +1,6 @@
-// Placeholder manifest file.
-// the installer will append this file to the app vendored assets here: vendor/assets/javascripts/spree/frontend/all.js'
+//= require braintree/3.5.0/client
+//= require braintree/3.5.0/data-collector
+//= require spree/braintree_hosted_form.js
 
 window.SolidusPaypalBraintree = {
   APPLE_PAY_API_VERSION: 1,
diff --git a/app/assets/javascripts/vendor/braintree/client.js b/app/assets/javascripts/vendor/braintree/client.js
new file mode 100644
index 00000000..fc93b90b
--- /dev/null
+++ b/app/assets/javascripts/vendor/braintree/client.js
@@ -0,0 +1 @@
+!function(e){if("object"==typeof exports&&"undefined"!=typeof module)module.exports=e();else if("function"==typeof define&&define.amd)define([],e);else{var t;t="undefined"!=typeof window?window:"undefined"!=typeof global?global:"undefined"!=typeof self?self:this,(t.braintree||(t.braintree={})).client=e()}}(function(){return function e(t,n,r){function o(a,s){if(!n[a]){if(!t[a]){var u="function"==typeof require&&require;if(!s&&u)return u(a,!0);if(i)return i(a,!0);var c=new Error("Cannot find module '"+a+"'");throw c.code="MODULE_NOT_FOUND",c}var l=n[a]={exports:{}};t[a][0].call(l.exports,function(e){var n=t[a][1][e];return o(n?n:e)},l,l.exports,e,t,n,r)}return n[a].exports}for(var i="function"==typeof require&&require,a=0;a<r.length;a++)o(r[a]);return o}({1:[function(e,t,n){"use strict";function r(e){var t,n;if(e=e||{},t=JSON.stringify(e),n=e.gatewayConfiguration,!n)throw new a(c.CLIENT_MISSING_GATEWAY_CONFIGURATION);["assetsUrl","clientApiUrl","configUrl"].forEach(function(e){if(e in n&&!i(n[e]))throw new a({type:c.CLIENT_GATEWAY_CONFIGURATION_INVALID_DOMAIN.type,code:c.CLIENT_GATEWAY_CONFIGURATION_INVALID_DOMAIN.code,message:e+" property is on an invalid domain."})}),this.getConfiguration=function(){return JSON.parse(t)},this._request=o,this._baseUrl=e.gatewayConfiguration.clientApiUrl+"/v1/",this._configuration=this.getConfiguration(),this.toJSON=this.getConfiguration}var o=e("./request"),i=e("../lib/is-whitelisted-domain"),a=e("../lib/error"),s=e("../lib/add-metadata"),u=e("../lib/deferred"),c=e("./errors");r.prototype.request=function(e,t){var n;return e.method?e.endpoint||(n="options.endpoint"):n="options.method",n?(t=u(t),void t(new a({type:c.CLIENT_OPTION_REQUIRED.type,code:c.CLIENT_OPTION_REQUIRED.code,message:n+" is required when making a request."}))):void this._request({url:this._baseUrl+e.endpoint,method:e.method,data:s(this._configuration,e.data),headers:e._headers,timeout:e.timeout},this._bindRequestCallback(t))},r.prototype._bindRequestCallback=function(e){return function(t,n,r){-1===r?e(new a(c.CLIENT_REQUEST_TIMEOUT),null,r):403===r?e(new a(c.CLIENT_AUTHORIZATION_INSUFFICIENT),null,r):429===r?e(new a(c.CLIENT_RATE_LIMITED),null,r):r>=500?e(new a(c.CLIENT_GATEWAY_NETWORK),null,r):200>r||r>=400?e(new a({type:c.CLIENT_REQUEST_ERROR.type,code:c.CLIENT_REQUEST_ERROR.code,message:c.CLIENT_REQUEST_ERROR.message,details:{originalError:t}}),null,r):e(null,n,r)}},t.exports=r},{"../lib/add-metadata":13,"../lib/deferred":16,"../lib/error":18,"../lib/is-whitelisted-domain":19,"./errors":2,"./request":7}],2:[function(e,t,n){"use strict";var r=e("../lib/error");t.exports={CLIENT_GATEWAY_CONFIGURATION_INVALID_DOMAIN:{type:r.types.MERCHANT,code:"CLIENT_GATEWAY_CONFIGURATION_INVALID_DOMAIN"},CLIENT_OPTION_REQUIRED:{type:r.types.MERCHANT,code:"CLIENT_OPTION_REQUIRED"},CLIENT_MISSING_GATEWAY_CONFIGURATION:{type:r.types.INTERNAL,code:"CLIENT_MISSING_GATEWAY_CONFIGURATION",message:"Missing gatewayConfiguration."},CLIENT_INVALID_AUTHORIZATION:{type:r.types.MERCHANT,code:"CLIENT_INVALID_AUTHORIZATION",message:"Authorization is invalid. Make sure your client token or tokenization key is valid."},CLIENT_GATEWAY_NETWORK:{type:r.types.NETWORK,code:"CLIENT_GATEWAY_NETWORK",message:"Cannot contact the gateway at this time."},CLIENT_REQUEST_TIMEOUT:{type:r.types.NETWORK,code:"CLIENT_REQUEST_TIMEOUT",message:"Request timed out waiting for a reply."},CLIENT_REQUEST_ERROR:{type:r.types.NETWORK,code:"CLIENT_REQUEST_ERROR",message:"There was a problem with your request."},CLIENT_RATE_LIMITED:{type:r.types.MERCHANT,code:"CLIENT_RATE_LIMITED",message:"You are being rate-limited; please try again in a few minutes."},CLIENT_AUTHORIZATION_INSUFFICIENT:{type:r.types.MERCHANT,code:"CLIENT_AUTHORIZATION_INSUFFICIENT",message:"The authorization used has insufficient privileges."}}},{"../lib/error":18}],3:[function(e,t,n){(function(n){"use strict";function r(e,t){var r,l,f,d,p=a(),E={merchantAppId:n.location.host,platform:s.PLATFORM,sdkVersion:s.VERSION,source:s.SOURCE,integration:s.INTEGRATION,integrationType:s.INTEGRATION,sessionId:p};try{l=u(e.authorization)}catch(I){return void t(new o(c.CLIENT_INVALID_AUTHORIZATION))}f=l.attrs,d=l.configUrl,f._meta=E,f.braintreeLibraryVersion=s.BRAINTREE_LIBRARY_VERSION,f.configVersion="3",i({url:d,method:"GET",data:f},function(n,i,a){var s;return n?(s=403===a?c.CLIENT_AUTHORIZATION_INSUFFICIENT:c.CLIENT_GATEWAY_NETWORK,void t(new o({type:s.type,code:s.code,message:s.message,details:{originalError:n}}))):(r={authorization:e.authorization,authorizationType:f.tokenizationKey?"TOKENIZATION_KEY":"CLIENT_TOKEN",analyticsMetadata:E,gatewayConfiguration:i},void t(null,r))})}var o=e("../lib/error"),i=e("./request"),a=e("../lib/uuid"),s=e("../lib/constants"),u=e("../lib/create-authorization-data"),c=e("./errors");t.exports={getConfiguration:r}}).call(this,"undefined"!=typeof global?global:"undefined"!=typeof self?self:"undefined"!=typeof window?window:{})},{"../lib/constants":14,"../lib/create-authorization-data":15,"../lib/error":18,"../lib/uuid":25,"./errors":2,"./request":7}],4:[function(e,t,n){"use strict";function r(e,t){return s(t,"create"),t=c(t),e.authorization?void a(e,function(e,n){var r;if(e)return void t(e);try{r=new i(n)}catch(o){return void t(o)}t(null,r)}):void t(new o({type:l.INSTANTIATION_OPTION_REQUIRED.type,code:l.INSTANTIATION_OPTION_REQUIRED.code,message:"options.authorization is required when instantiating a client."}))}var o=e("../lib/error"),i=e("./client"),a=e("./get-configuration").getConfiguration,s=e("../lib/throw-if-no-callback"),u="3.5.0",c=e("../lib/deferred"),l=e("../errors");t.exports={create:r,VERSION:u}},{"../errors":12,"../lib/deferred":16,"../lib/error":18,"../lib/throw-if-no-callback":24,"./client":1,"./get-configuration":3}],5:[function(e,t,n){(function(n){"use strict";function r(){return u?new XMLHttpRequest:new XDomainRequest}function o(e,t){var n,o,c=e.method,l=e.url,f=e.data,d=e.timeout,p=e.headers||{},E=r(),I=t;"GET"===c&&(l=i.queryify(l,f),f=null),u?E.onreadystatechange=function(){4===E.readyState&&(n=E.status,o=s(E.responseText),n>=400||200>n?I(o||"error",null,n||500):I(null,o,n))}:(E.onload=function(){I(null,s(E.responseText),E.status)},E.onerror=function(){I("error",null,500)},E.onprogress=function(){},E.ontimeout=function(){I("timeout",null,-1)}),E.open(c,l,!0),E.timeout=d,u&&"POST"===c&&(E.setRequestHeader("Content-Type","application/json"),Object.keys(p).forEach(function(e){E.setRequestHeader(e,p[e])}));try{E.send(a(c,f))}catch(T){}}var i=e("../../lib/querystring"),a=e("./prep-body"),s=e("./parse-body"),u=n.XMLHttpRequest&&"withCredentials"in new n.XMLHttpRequest;t.exports={request:o}}).call(this,"undefined"!=typeof global?global:"undefined"!=typeof self?self:"undefined"!=typeof window?window:{})},{"../../lib/querystring":23,"./parse-body":10,"./prep-body":11}],6:[function(e,t,n){(function(e){"use strict";t.exports=function(){return e.navigator.userAgent}}).call(this,"undefined"!=typeof global?global:"undefined"!=typeof self?self:"undefined"!=typeof window?window:{})},{}],7:[function(e,t,n){"use strict";function r(){return null==o&&(o=!(c()&&/MSIE\s(8|9)/.test(u()))),o}var o,i=e("../../lib/once"),a=e("./jsonp-driver"),s=e("./ajax-driver"),u=e("./get-user-agent"),c=e("./is-http");t.exports=function(e,t){t=i(t||Function.prototype),e.method=(e.method||"GET").toUpperCase(),e.timeout=null==e.timeout?6e4:e.timeout,e.data=e.data||{},r()?s.request(e,t):a.request(e,t)}},{"../../lib/once":21,"./ajax-driver":5,"./get-user-agent":6,"./is-http":8,"./jsonp-driver":9}],8:[function(e,t,n){(function(e){"use strict";t.exports=function(){return"http:"===e.location.protocol}}).call(this,"undefined"!=typeof global?global:"undefined"!=typeof self?self:"undefined"!=typeof window?window:{})},{}],9:[function(e,t,n){(function(n){"use strict";function r(e){e&&e.parentNode&&e.parentNode.removeChild(e)}function o(e,t){var r=document.createElement("script"),o=!1;return r.src=e,r.async=!0,r.onerror=function(){n[t]({message:"error",status:500})},r.onload=r.onreadystatechange=function(){o||this.readyState&&"loaded"!==this.readyState&&"complete"!==this.readyState||(o=!0,r.onload=r.onreadystatechange=null)},r}function i(e){try{delete n[e]}catch(t){n[e]=null}}function a(e,t){d[t]=setTimeout(function(){d[t]=null,n[t]({error:"timeout",status:-1}),n[t]=function(){i(t)}},e)}function s(e,t,o){n[o]=function(n){var a=n.status||500,s=null,u=null;delete n.status,a>=400||200>a?s=n:u=n,i(o),r(e),clearTimeout(d[o]),t(s,u,a)}}function u(e,t){var n,r="callback_json_"+l().replace(/-/g,""),i=e.url,u=e.data,d=e.method,p=e.timeout;i=f.queryify(i,u),i=f.queryify(i,{_method:d,callback:r}),n=o(i,r),s(n,t,r),a(p,r),c||(c=document.getElementsByTagName("head")[0]),c.appendChild(n)}var c,l=e("../../lib/uuid"),f=e("../../lib/querystring"),d={};t.exports={request:u}}).call(this,"undefined"!=typeof global?global:"undefined"!=typeof self?self:"undefined"!=typeof window?window:{})},{"../../lib/querystring":23,"../../lib/uuid":25}],10:[function(e,t,n){"use strict";t.exports=function(e){try{e=JSON.parse(e)}catch(t){}return e}},{}],11:[function(e,t,n){"use strict";t.exports=function(e,t){if("string"!=typeof e)throw new Error("Method must be a string");return"get"!==e.toLowerCase()&&null!=t&&(t="string"==typeof t?t:JSON.stringify(t)),t}},{}],12:[function(e,t,n){"use strict";var r=e("./lib/error");t.exports={CALLBACK_REQUIRED:{type:r.types.MERCHANT,code:"CALLBACK_REQUIRED"},INSTANTIATION_OPTION_REQUIRED:{type:r.types.MERCHANT,code:"INSTANTIATION_OPTION_REQUIRED"},INCOMPATIBLE_VERSIONS:{type:r.types.MERCHANT,code:"INCOMPATIBLE_VERSIONS"},METHOD_CALLED_AFTER_TEARDOWN:{type:r.types.MERCHANT,code:"METHOD_CALLED_AFTER_TEARDOWN"},BRAINTREE_API_ACCESS_RESTRICTED:{type:r.types.MERCHANT,code:"BRAINTREE_API_ACCESS_RESTRICTED",message:"Your access is restricted and cannot use this part of the Braintree API."}}},{"./lib/error":18}],13:[function(e,t,n){"use strict";function r(e,t){var n,r=t?i(t):{},s=o(e.authorization).attrs,u=i(e.analyticsMetadata);r.braintreeLibraryVersion=a.BRAINTREE_LIBRARY_VERSION;for(n in r._meta)r._meta.hasOwnProperty(n)&&(u[n]=r._meta[n]);return r._meta=u,s.tokenizationKey?r.tokenizationKey=s.tokenizationKey:r.authorizationFingerprint=s.authorizationFingerprint,r}var o=e("./create-authorization-data"),i=e("./json-clone"),a=e("./constants");t.exports=r},{"./constants":14,"./create-authorization-data":15,"./json-clone":20}],14:[function(e,t,n){"use strict";var r="3.5.0",o="web";t.exports={ANALYTICS_REQUEST_TIMEOUT_MS:2e3,INTEGRATION_TIMEOUT_MS:6e4,VERSION:r,INTEGRATION:"custom",SOURCE:"client",PLATFORM:o,BRAINTREE_LIBRARY_VERSION:"braintree/"+o+"/"+r}},{}],15:[function(e,t,n){"use strict";function r(e){return/^[a-zA-Z0-9]+_[a-zA-Z0-9]+_[a-zA-Z0-9_]+$/.test(e)}function o(e){var t=e.split("_"),n=t[0],r=t.slice(2).join("_");return{merchantId:r,environment:n}}function i(e){var t,n,i={attrs:{},configUrl:""};return r(e)?(n=o(e),i.attrs.tokenizationKey=e,i.configUrl=s[n.environment]+"/merchants/"+n.merchantId+"/client_api/v1/configuration"):(t=JSON.parse(a(e)),i.attrs.authorizationFingerprint=t.authorizationFingerprint,i.configUrl=t.configUrl),i}var a=e("../lib/polyfill").atob,s={production:"https://api.braintreegateway.com:443",sandbox:"https://api.sandbox.braintreegateway.com:443"};t.exports=i},{"../lib/polyfill":22}],16:[function(e,t,n){"use strict";t.exports=function(e){return function(){var t=arguments;setTimeout(function(){e.apply(null,t)},1)}}},{}],17:[function(e,t,n){"use strict";function r(e,t){return t=null==t?"":t,e.reduce(function(e,n){return e[n]=t+n,e},{})}t.exports=r},{}],18:[function(e,t,n){"use strict";function r(e){if(!r.types.hasOwnProperty(e.type))throw new Error(e.type+" is not a valid type.");if(!e.code)throw new Error("Error code required.");if(!e.message)throw new Error("Error message required.");this.name="BraintreeError",this.code=e.code,this.message=e.message,this.type=e.type,this.details=e.details}var o=e("./enumerate");r.prototype=Object.create(Error.prototype),r.prototype.constructor=r,r.types=o(["CUSTOMER","MERCHANT","NETWORK","INTERNAL","UNKNOWN"]),t.exports=r},{"./enumerate":17}],19:[function(e,t,n){"use strict";function r(e){return e.split(".").slice(-2).join(".")}function o(e){var t;return e=e.toLowerCase(),/^https:/.test(e)?(i=i||document.createElement("a"),i.href=e,t=r(i.hostname),a.hasOwnProperty(t)):!1}var i,a={"paypal.com":1,"braintreepayments.com":1,"braintreegateway.com":1};t.exports=o},{}],20:[function(e,t,n){"use strict";t.exports=function(e){return JSON.parse(JSON.stringify(e))}},{}],21:[function(e,t,n){"use strict";function r(e){var t=!1;return function(){t||(t=!0,e.apply(null,arguments))}}t.exports=r},{}],22:[function(e,t,n){(function(e){"use strict";function n(e){var t,n,r,o,i,a,s,u,c=new RegExp("^(?:[A-Za-z0-9+/]{4})*(?:[A-Za-z0-9+/]{2}==|[A-Za-z0-9+/]{3}=|[A-Za-z0-9+/]{4})([=]{1,2})?$"),l="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=",f="";if(!c.test(e))throw new Error("Non base64 encoded input passed to window.atob polyfill");u=0;do o=l.indexOf(e.charAt(u++)),i=l.indexOf(e.charAt(u++)),a=l.indexOf(e.charAt(u++)),s=l.indexOf(e.charAt(u++)),t=(63&o)<<2|i>>4&3,n=(15&i)<<4|a>>2&15,r=(3&a)<<6|63&s,f+=String.fromCharCode(t)+(n?String.fromCharCode(n):"")+(r?String.fromCharCode(r):"");while(u<e.length);return f}var r="function"==typeof e.atob?e.atob:n;t.exports={atob:r,_atob:n}}).call(this,"undefined"!=typeof global?global:"undefined"!=typeof self?self:"undefined"!=typeof window?window:{})},{}],23:[function(e,t,n){(function(e){"use strict";function n(e){var t;for(t in e)if(e.hasOwnProperty(t))return!0;return!1}function r(e){return e&&"object"==typeof e&&"number"==typeof e.length&&"[object Array]"===Object.prototype.toString.call(e)||!1}function o(t){var 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diff --git a/app/assets/javascripts/vendor/braintree/hosted_fields.js b/app/assets/javascripts/vendor/braintree/hosted_fields.js
new file mode 100644
index 00000000..37172df1
--- /dev/null
+++ b/app/assets/javascripts/vendor/braintree/hosted_fields.js
@@ -0,0 +1 @@
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l({type:d.HOSTED_FIELDS_FIELD_DUPLICATE_IFRAME.type,code:d.HOSTED_FIELDS_FIELD_DUPLICATE_IFRAME.code,message:d.HOSTED_FIELDS_FIELD_DUPLICATE_IFRAME.message,details:{fieldSelector:n.selector,fieldKey:t}});i=a({type:t,name:"braintree-hosted-field-"+t,style:f.defaultIFrameStyle}),this._injectedNodes=this._injectedNodes.concat(D(i,r)),this._setupLabelFocus(t,r),h[t]={frameElement:i,containerElement:r},y++,this._state.fields[t]={isEmpty:!0,isValid:!1,isPotentiallyValid:!0,isFocused:!1,container:r},setTimeout(function(){i.src=u(_._client.getConfiguration().gatewayConfiguration.assetsUrl,g)},0)}.bind(this)),t=setTimeout(function(){T.sendEvent(_._client,"web.custom.hosted-fields.load.timed-out")},p),this._bus.on(I.FRAME_READY,function(n){y--,0===y&&(clearTimeout(t),n(e),_._emit("ready"))}),this._bus.on(I.INPUT_EVENT,r(h).bind(this)),this._destructor.registerFunctionForTeardown(function(){var e,t,n;for(e=0;e<_._injectedNodes.length;e++)t=_._injectedNodes[e],n=t.parentNode,n.removeChild(t),s.remove(n,f.externalClasses.FOCUSED,f.externalClasses.INVALID,f.externalClasses.VALID)}),this._destructor.registerFunctionForTeardown(function(){var e=O(i.prototype).concat(O(m.prototype));N(_,e)})}var o=e("../../lib/destructor"),s=e("../../lib/classlist"),a=e("iframer"),c=e("../../lib/bus"),l=e("../../lib/error"),u=e("./compose-url"),f=e("../shared/constants"),d=e("../shared/errors"),p=e("../../lib/constants").INTEGRATION_TIMEOUT_MS,E=e("../../lib/uuid"),_=e("../shared/find-parent-tags"),h=e("../../lib/throw-if-no-callback"),y=e("../../lib/is-ios"),I=f.events,m=e("../../lib/event-emitter"),D=e("./inject-frame"),T=e("../../lib/analytics"),g=f.whitelistedFields,S="3.5.0",O=e("../../lib/methods"),N=e("../../lib/convert-methods-to-error"),L=e("../../lib/deferred"),A=e("../../errors"),v=e("credit-card-type");i.prototype=Object.create(m.prototype,{constructor:i}),i.prototype._setupLabelFocus=function(e,t){function n(){s.emit(I.TRIGGER_INPUT_FOCUS,e)}var 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l({type:d.HOSTED_FIELDS_FIELD_INVALID.type,code:d.HOSTED_FIELDS_FIELD_INVALID.code,message:'"'+e+'" is not a valid field. 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You must use a valid field option when removing a class.'}),"function"==typeof n&&(n=L(n))(r)},i.prototype.setPlaceholder=function(e,t,n){var r;g.hasOwnProperty(e)?this._fields.hasOwnProperty(e)?this._bus.emit(I.SET_PLACEHOLDER,e,t):r=new l({type:d.HOSTED_FIELDS_FIELD_NOT_PRESENT.type,code:d.HOSTED_FIELDS_FIELD_NOT_PRESENT.code,message:'Cannot set placeholder for "'+e+'" field because it is not part of the current Hosted Fields options.'}):r=new l({type:d.HOSTED_FIELDS_FIELD_INVALID.type,code:d.HOSTED_FIELDS_FIELD_INVALID.code,message:'"'+e+'" is not a valid field. You must use a valid field option when setting a placeholder.'}),"function"==typeof n&&(n=L(n))(r)},i.prototype.clear=function(e,t){var n;g.hasOwnProperty(e)?this._fields.hasOwnProperty(e)?this._bus.emit(I.CLEAR_FIELD,e):n=new l({type:d.HOSTED_FIELDS_FIELD_NOT_PRESENT.type,code:d.HOSTED_FIELDS_FIELD_NOT_PRESENT.code,message:'Cannot clear "'+e+'" field because it is not part of the current Hosted Fields options.'}):n=new l({type:d.HOSTED_FIELDS_FIELD_INVALID.type,code:d.HOSTED_FIELDS_FIELD_INVALID.code,message:'"'+e+'" is not a valid field. You must use a valid field option when clearing a field.'}),"function"==typeof t&&(t=L(t))(n)},i.prototype.getState=function(){return this._state},t.exports=i},{"../../errors":7,"../../lib/analytics":16,"../../lib/bus":20,"../../lib/classlist":21,"../../lib/constants":22,"../../lib/convert-methods-to-error":23,"../../lib/deferred":25,"../../lib/destructor":26,"../../lib/error":28,"../../lib/event-emitter":29,"../../lib/is-ios":30,"../../lib/methods":33,"../../lib/throw-if-no-callback":36,"../../lib/uuid":37,"../shared/constants":12,"../shared/errors":13,"../shared/find-parent-tags":14,"./compose-url":8,"./inject-frame":10,"credit-card-type":1,iframer:3}],10:[function(e,t,n){"use strict";t.exports=function(e,t){var n=document.createElement("div"),r=document.createDocumentFragment();return n.style.clear="both",r.appendChild(e),r.appendChild(n),t.appendChild(r),[e,n]}},{}],11:[function(e,t,n){"use strict";function r(e,t){var n;s(t,"create");try{n=new i(e)}catch(r){return t=o(t),void t(r)}n.on("ready",function(){t(null,n)})}var i=e("./external/hosted-fields"),o=e("../lib/deferred"),s=e("../lib/throw-if-no-callback"),a="3.5.0";t.exports={create:r,VERSION:a}},{"../lib/deferred":25,"../lib/throw-if-no-callback":36,"./external/hosted-fields":9}],12:[function(e,t,n){"use strict";var r=e("../../lib/enumerate"),i="3.5.0",o={VERSION:i,maxExpirationYearAge:19,externalEvents:{FOCUS:"focus",BLUR:"blur",EMPTY:"empty",NOT_EMPTY:"notEmpty",VALIDITY_CHANGE:"validityChange",CARD_TYPE_CHANGE:"cardTypeChange"},defaultMaxLengths:{number:19,postalCode:8,expirationDate:7,expirationMonth:2,expirationYear:4,cvv:3},externalClasses:{FOCUSED:"braintree-hosted-fields-focused",INVALID:"braintree-hosted-fields-invalid",VALID:"braintree-hosted-fields-valid"},defaultIFrameStyle:{border:"none",width:"100%",height:"100%","float":"left"},whitelistedStyles:["-moz-osx-font-smoothing","-moz-tap-highlight-color","-moz-transition","-webkit-font-smoothing","-webkit-tap-highlight-color","-webkit-transition","color","font","font-family","font-size","font-size-adjust","font-stretch","font-style","font-variant","font-variant-alternates","font-variant-caps","font-variant-east-asian","font-variant-ligatures","font-variant-numeric","font-weight","line-height","opacity","outline","text-shadow","transition"],whitelistedFields:{number:{name:"credit-card-number",label:"Credit Card Number"},cvv:{name:"cvv",label:"CVV"},expirationDate:{name:"expiration",label:"Expiration Date"},expirationMonth:{name:"expiration-month",label:"Expiration Month"},expirationYear:{name:"expiration-year",label:"Expiration Year"},postalCode:{name:"postal-code",label:"Postal Code"}}};o.events=r(["FRAME_READY","VALIDATE_STRICT","CONFIGURATION","TOKENIZATION_REQUEST","INPUT_EVENT","TRIGGER_INPUT_FOCUS","ADD_CLASS","REMOVE_CLASS","SET_PLACEHOLDER","CLEAR_FIELD"],"hosted-fields:"),t.exports=o},{"../../lib/enumerate":27}],13:[function(e,t,n){"use strict";var r=e("../../lib/error");t.exports={HOSTED_FIELDS_INVALID_FIELD_KEY:{type:r.types.MERCHANT,code:"HOSTED_FIELDS_INVALID_FIELD_KEY"},HOSTED_FIELDS_INVALID_FIELD_SELECTOR:{type:r.types.MERCHANT,code:"HOSTED_FIELDS_INVALID_FIELD_SELECTOR",message:"Selector does not reference a valid DOM node."},HOSTED_FIELDS_FIELD_DUPLICATE_IFRAME:{type:r.types.MERCHANT,code:"HOSTED_FIELDS_FIELD_DUPLICATE_IFRAME",message:"Element already contains a Braintree iframe."},HOSTED_FIELDS_FIELD_INVALID:{type:r.types.MERCHANT,code:"HOSTED_FIELDS_FIELD_INVALID"},HOSTED_FIELDS_FIELD_NOT_PRESENT:{type:r.types.MERCHANT,code:"HOSTED_FIELDS_FIELD_NOT_PRESENT"},HOSTED_FIELDS_TOKENIZATION_NETWORK_ERROR:{type:r.types.NETWORK,code:"HOSTED_FIELDS_TOKENIZATION_NETWORK_ERROR",message:"A tokenization network error occurred."},HOSTED_FIELDS_FAILED_TOKENIZATION:{type:r.types.CUSTOMER,code:"HOSTED_FIELDS_FAILED_TOKENIZATION",message:"The supplied card data failed tokenization."},HOSTED_FIELDS_FIELDS_EMPTY:{type:r.types.CUSTOMER,code:"HOSTED_FIELDS_FIELDS_EMPTY",message:"All fields are empty. Cannot tokenize empty card fields."},HOSTED_FIELDS_FIELDS_INVALID:{type:r.types.CUSTOMER,code:"HOSTED_FIELDS_FIELDS_INVALID",message:"Some payment input fields are invalid. Cannot tokenize invalid card fields."}}},{"../../lib/error":28}],14:[function(e,t,n){"use strict";function r(e,t){for(var n=e.parentNode,r=[];null!=n;)null!=n.tagName&&n.tagName.toLowerCase()===t&&r.push(n),n=n.parentNode;return r}t.exports=r},{}],15:[function(e,t,n){"use strict";function r(e,t){var n,r=t?o(t):{},a=i(e.authorization).attrs,c=o(e.analyticsMetadata);r.braintreeLibraryVersion=s.BRAINTREE_LIBRARY_VERSION;for(n in r._meta)r._meta.hasOwnProperty(n)&&(c[n]=r._meta[n]);return r._meta=c,a.tokenizationKey?r.tokenizationKey=a.tokenizationKey:r.authorizationFingerprint=a.authorizationFingerprint,r}var i=e("./create-authorization-data"),o=e("./json-clone"),s=e("./constants");t.exports=r},{"./constants":22,"./create-authorization-data":24,"./json-clone":32}],16:[function(e,t,n){"use strict";function r(e){return Math.floor(e/1e3)}function i(e,t,n){var i=e.getConfiguration(),a=e._request,c=r(Date.now()),l=i.gatewayConfiguration.analytics.url,u={analytics:[{kind:t,timestamp:c}]};a({url:l,method:"post",data:s(i,u),timeout:o.ANALYTICS_REQUEST_TIMEOUT_MS},n)}var o=e("./constants"),s=e("./add-metadata");t.exports={sendEvent:i}},{"./add-metadata":15,"./constants":22}],17:[function(e,t,n){"use strict";function r(e,t){var n=0===e.length;n?(e(),t(null)):e(t)}var i=e("./once");t.exports=function(e,t){function n(e){return e?void c(e):(a-=1,void(0===a&&c(null)))}var o,s=e.length,a=s,c=i(t);if(0===s)return void c(null);for(o=0;s>o;o++)r(e[o],n)}},{"./once":34}],18:[function(e,t,n){"use strict";function r(e,t){var n,r,o=document.createElement("a");return o.href=t,r="https:"===o.protocol?o.host.replace(/:443$/,""):"http:"===o.protocol?o.host.replace(/:80$/,""):o.host,n=o.protocol+"//"+r,n===e?!0:(o.href=e,i(e))}var i=e("../is-whitelisted-domain");t.exports={checkOrigin:r}},{"../is-whitelisted-domain":31}],19:[function(e,t,n){"use strict";var r=e("../enumerate");t.exports=r(["CONFIGURATION_REQUEST"],"bus:")},{"../enumerate":27}],20:[function(e,t,n){"use strict";function r(e){if(e=e||{},this.channel=e.channel,!this.channel)throw new a({type:a.types.INTERNAL,code:"MISSING_CHANNEL_ID",message:"Channel ID must be specified."});this.merchantUrl=e.merchantUrl,this._isDestroyed=!1,this._isVerbose=!1,this._listeners=[],this._log("new bus on channel "+this.channel,[location.href])}var i=e("framebus"),o=e("./events"),s=e("./check-origin").checkOrigin,a=e("../error");r.prototype.on=function(e,t){var n,r,o=t,a=this;this._isDestroyed||(this.merchantUrl&&(o=function(){s(this.origin,a.merchantUrl)&&t.apply(this,arguments)}),n=this._namespaceEvent(e),r=Array.prototype.slice.call(arguments),r[0]=n,r[1]=o,this._log("on",r),i.on.apply(i,r),this._listeners.push({eventName:e,handler:o,originalHandler:t}))},r.prototype.emit=function(e){var t;this._isDestroyed||(t=Array.prototype.slice.call(arguments),t[0]=this._namespaceEvent(e),this._log("emit",t),i.emit.apply(i,t))},r.prototype._offDirect=function(e){var t=Array.prototype.slice.call(arguments);this._isDestroyed||(t[0]=this._namespaceEvent(e),this._log("off",t),i.off.apply(i,t))},r.prototype.off=function(e,t){var n,r,i=t;if(!this._isDestroyed){if(this.merchantUrl)for(n=0;n<this._listeners.length;n++)r=this._listeners[n],r.originalHandler===t&&(i=r.handler);this._offDirect(e,i)}},r.prototype._namespaceEvent=function(e){return["braintree",this.channel,e].join(":")},r.prototype.teardown=function(){var e,t;for(t=0;t<this._listeners.length;t++)e=this._listeners[t],this._offDirect(e.eventName,e.handler);this._listeners.length=0,this._isDestroyed=!0},r.prototype._log=function(e,t){this._isVerbose&&console.log(e,t)},r.events=o,t.exports=r},{"../error":28,"./check-origin":18,"./events":19,framebus:2}],21:[function(e,t,n){"use strict";function r(e){return e.className.trim().split(/\s+/)}function i(e){var t=Array.prototype.slice.call(arguments,1),n=r(e).filter(function(e){return-1===t.indexOf(e)}).concat(t).join(" ");e.className=n}function o(e){var t=Array.prototype.slice.call(arguments,1),n=r(e).filter(function(e){return-1===t.indexOf(e)}).join(" ");e.className=n}function s(e,t,n){n?i(e,t):o(e,t)}t.exports={add:i,remove:o,toggle:s}},{}],22:[function(e,t,n){"use strict";var r="3.5.0",i="web";t.exports={ANALYTICS_REQUEST_TIMEOUT_MS:2e3,INTEGRATION_TIMEOUT_MS:6e4,VERSION:r,INTEGRATION:"custom",SOURCE:"client",PLATFORM:i,BRAINTREE_LIBRARY_VERSION:"braintree/"+i+"/"+r}},{}],23:[function(e,t,n){"use strict";var r=e("./error"),i=e("../errors");t.exports=function(e,t){t.forEach(function(t){e[t]=function(){throw new r({type:i.METHOD_CALLED_AFTER_TEARDOWN.type,code:i.METHOD_CALLED_AFTER_TEARDOWN.code,message:t+" cannot be called after teardown."})}})}},{"../errors":7,"./error":28}],24:[function(e,t,n){"use strict";function r(e){return/^[a-zA-Z0-9]+_[a-zA-Z0-9]+_[a-zA-Z0-9_]+$/.test(e)}function i(e){var t=e.split("_"),n=t[0],r=t.slice(2).join("_");return{merchantId:r,environment:n}}function o(e){var t,n,o={attrs:{},configUrl:""};return r(e)?(n=i(e),o.attrs.tokenizationKey=e,o.configUrl=a[n.environment]+"/merchants/"+n.merchantId+"/client_api/v1/configuration"):(t=JSON.parse(s(e)),o.attrs.authorizationFingerprint=t.authorizationFingerprint,o.configUrl=t.configUrl),o}var s=e("../lib/polyfill").atob,a={production:"https://api.braintreegateway.com:443",sandbox:"https://api.sandbox.braintreegateway.com:443"};t.exports=o},{"../lib/polyfill":35}],25:[function(e,t,n){"use strict";t.exports=function(e){return function(){var t=arguments;setTimeout(function(){e.apply(null,t)},1)}}},{}],26:[function(e,t,n){"use strict";function r(){this._teardownRegistry=[],this._isTearingDown=!1}var i=e("./batch-execute-functions");r.prototype.registerFunctionForTeardown=function(e){"function"==typeof e&&this._teardownRegistry.push(e)},r.prototype.teardown=function(e){return this._isTearingDown?void e(new Error("Destructor is already tearing down")):(this._isTearingDown=!0,void i(this._teardownRegistry,function(t){this._teardownRegistry=[],this._isTearingDown=!1,"function"==typeof e&&e(t)}.bind(this)))},t.exports=r},{"./batch-execute-functions":17}],27:[function(e,t,n){"use strict";function r(e,t){return t=null==t?"":t,e.reduce(function(e,n){return e[n]=t+n,e},{})}t.exports=r},{}],28:[function(e,t,n){"use strict";function r(e){if(!r.types.hasOwnProperty(e.type))throw new Error(e.type+" is not a valid type.");if(!e.code)throw new Error("Error code required.");if(!e.message)throw new Error("Error message required.");this.name="BraintreeError",this.code=e.code,this.message=e.message,this.type=e.type,this.details=e.details}var i=e("./enumerate");r.prototype=Object.create(Error.prototype),r.prototype.constructor=r,r.types=i(["CUSTOMER","MERCHANT","NETWORK","INTERNAL","UNKNOWN"]),t.exports=r},{"./enumerate":27}],29:[function(e,t,n){"use strict";function r(){this._events={}}r.prototype.on=function(e,t){this._events[e]?this._events[e].push(t):this._events[e]=[t]},r.prototype._emit=function(e){var t,n,r=this._events[e];if(r)for(n=Array.prototype.slice.call(arguments,1),t=0;t<r.length;t++)r[t].apply(null,n)},t.exports=r},{}],30:[function(e,t,n){"use strict";t.exports=function(e){return e=e||navigator.userAgent,/(iPad|iPhone|iPod)/i.test(e)}},{}],31:[function(e,t,n){"use strict";function r(e){return e.split(".").slice(-2).join(".")}function i(e){var t;return e=e.toLowerCase(),/^https:/.test(e)?(o=o||document.createElement("a"),o.href=e,t=r(o.hostname),s.hasOwnProperty(t)):!1}var o,s={"paypal.com":1,"braintreepayments.com":1,"braintreegateway.com":1};t.exports=i},{}],32:[function(e,t,n){"use strict";t.exports=function(e){return JSON.parse(JSON.stringify(e))}},{}],33:[function(e,t,n){"use strict";t.exports=function(e){return Object.keys(e).filter(function(t){return"function"==typeof e[t]})}},{}],34:[function(e,t,n){"use strict";function r(e){var t=!1;return function(){t||(t=!0,e.apply(null,arguments))}}t.exports=r},{}],35:[function(e,t,n){(function(e){"use strict";function n(e){var t,n,r,i,o,s,a,c,l=new RegExp("^(?:[A-Za-z0-9+/]{4})*(?:[A-Za-z0-9+/]{2}==|[A-Za-z0-9+/]{3}=|[A-Za-z0-9+/]{4})([=]{1,2})?$"),u="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=",f="";if(!l.test(e))throw new Error("Non base64 encoded input passed to window.atob polyfill");c=0;do i=u.indexOf(e.charAt(c++)),o=u.indexOf(e.charAt(c++)),s=u.indexOf(e.charAt(c++)),a=u.indexOf(e.charAt(c++)),t=(63&i)<<2|o>>4&3,n=(15&o)<<4|s>>2&15,r=(3&s)<<6|63&a,f+=String.fromCharCode(t)+(n?String.fromCharCode(n):"")+(r?String.fromCharCode(r):"");while(c<e.length);return f}var r="function"==typeof e.atob?e.atob:n;t.exports={atob:r,_atob:n}}).call(this,"undefined"!=typeof global?global:"undefined"!=typeof self?self:"undefined"!=typeof window?window:{})},{}],36:[function(e,t,n){"use strict";var r=e("./error"),i=e("../errors");t.exports=function(e,t){if("function"!=typeof e)throw new r({type:i.CALLBACK_REQUIRED.type,code:i.CALLBACK_REQUIRED.code,message:t+" must include a callback function."})}},{"../errors":7,"./error":28}],37:[function(e,t,n){"use strict";function r(){return"xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx".replace(/[xy]/g,function(e){var t=16*Math.random()|0,n="x"===e?t:3&t|8;return n.toString(16)})}t.exports=r},{}]},{},[11])(11)});
diff --git a/app/assets/stylesheets/spree/backend/solidus_paypal_braintree.css b/app/assets/stylesheets/spree/backend/solidus_paypal_braintree.css
index e3c23662..50b5a998 100644
--- a/app/assets/stylesheets/spree/backend/solidus_paypal_braintree.css
+++ b/app/assets/stylesheets/spree/backend/solidus_paypal_braintree.css
@@ -2,3 +2,11 @@
 Placeholder manifest file.
 the installer will append this file to the app vendored assets here: 'vendor/assets/stylesheets/spree/backend/all.css'
 */
+
+.braintree-hosted-fields .input {
+  border: 1px solid #cee1f4;
+  border-radius: 3px;
+  color: #5498DA;
+  height: 30px;
+  padding: 7px 10px;
+}
diff --git a/app/assets/stylesheets/spree/frontend/solidus_paypal_braintree.css b/app/assets/stylesheets/spree/frontend/solidus_paypal_braintree.css
index da236237..99c26c19 100644
--- a/app/assets/stylesheets/spree/frontend/solidus_paypal_braintree.css
+++ b/app/assets/stylesheets/spree/frontend/solidus_paypal_braintree.css
@@ -2,3 +2,11 @@
 Placeholder manifest file.
 the installer will append this file to the app vendored assets here: 'vendor/assets/stylesheets/spree/frontend/all.css'
 */
+
+.braintree-hosted-fields .input {
+  border: 1px solid #d9d9db;
+  border-radius: 3px;
+  color: #5498DA;
+  height: 30px;
+  padding: 5px 10px;
+}
diff --git a/app/models/solidus_paypal_braintree/gateway.rb b/app/models/solidus_paypal_braintree/gateway.rb
index 097daf38..752ce2be 100644
--- a/app/models/solidus_paypal_braintree/gateway.rb
+++ b/app/models/solidus_paypal_braintree/gateway.rb
@@ -194,6 +194,24 @@ def payment_profiles_supported?
       true
     end
 
+    def sources_by_order(order)
+      source_ids = order.payments.where(payment_method_id: id).pluck(:source_id).uniq
+      payment_source_class.where(id: source_ids).with_payment_profile
+    end
+
+    def reusable_sources(order)
+      if order.completed?
+        sources_by_order(order)
+      elsif order.user_id
+        payment_source_class.where(
+          payment_method_id: id,
+          user_id: order.user_id
+        ).with_payment_profile
+      else
+        []
+      end
+    end
+
     private
 
     def dollars(cents)
diff --git a/app/models/solidus_paypal_braintree/source.rb b/app/models/solidus_paypal_braintree/source.rb
index f4629482..022be219 100644
--- a/app/models/solidus_paypal_braintree/source.rb
+++ b/app/models/solidus_paypal_braintree/source.rb
@@ -8,6 +8,8 @@ class SolidusPaypalBraintree::Source < ApplicationRecord
 
   belongs_to :customer, class_name: "SolidusPaypalBraintree::Customer"
 
+  scope :with_payment_profile, -> { joins(:customer) }
+
   # we are not currenctly supporting an "imported" flag
   def imported
     false
diff --git a/app/views/spree/admin/payments/source_forms/_paypal_braintree.html.erb b/app/views/spree/admin/payments/source_forms/_paypal_braintree.html.erb
new file mode 100644
index 00000000..b7d23648
--- /dev/null
+++ b/app/views/spree/admin/payments/source_forms/_paypal_braintree.html.erb
@@ -0,0 +1,16 @@
+<% id = payment_method.id %>
+
+<fieldset class="no-border-bottom braintree-hosted-fields" data-braintree-hosted-fields data-id="<%= id %>">
+  <div class="field" data-hook="previous_cards">
+    <% if previous_cards.any? %>
+      <% previous_cards.each do |card| %>
+        <label><%= radio_button_tag :card, card.id, card == previous_cards.first %> Token: <%= card.token %><br /></label>
+      <% end %>
+      <label><%= radio_button_tag :card, "new", false, { id: "card_new#{id}" } %> <%= Spree.t(:use_new_cc) %></label>
+    <% end %>
+  </div>
+
+  <div id="card_form<%= id %>" data-hook style="display: none;">
+    <%= render partial: "spree/shared/braintree_hosted_fields", locals: { id: id } %>
+  </div>
+</fieldset>
diff --git a/app/views/spree/shared/_braintree_hosted_fields.html.erb b/app/views/spree/shared/_braintree_hosted_fields.html.erb
new file mode 100644
index 00000000..c7d24e56
--- /dev/null
+++ b/app/views/spree/shared/_braintree_hosted_fields.html.erb
@@ -0,0 +1,25 @@
+<% prefix = "payment_source[#{id}]" %>
+
+<div class="hosted-fields">
+  <div class="field" data-hook="card_number">
+    <%= label_tag "card_number#{id}", Spree::CreditCard.human_attribute_name(:number), class: "required" %>
+    <div class="input" id="card_number<%= id %>"></div>
+  </div>
+
+  <div class="field" data-hook="card_expiration">
+    <%= label_tag "card_expiry#{id}", Spree::CreditCard.human_attribute_name(:expiration), class: "required" %>
+    <div class="input" id="card_expiry<%= id %>"></div>
+  </div>
+
+  <div class="field" data-hook="card_code">
+    <%= label_tag "card_code#{id}", Spree::CreditCard.human_attribute_name(:card_code), class: "required" %>
+    <div class="input" id="card_code<%= id %>"></div>
+
+    <a href="/content/cvv" class="info cvvLink" target="_blank">
+      (<%= Spree.t(:what_is_this) %>)
+    </a>
+  </div>
+
+  <div class="clear"></div>
+  <input type="hidden" id="payment_method_nonce" name="<%= prefix %>[nonce]">
+</div>
diff --git a/db/migrate/20170203191030_add_credit_card_to_braintree_configuration.rb b/db/migrate/20170203191030_add_credit_card_to_braintree_configuration.rb
new file mode 100644
index 00000000..7dd34476
--- /dev/null
+++ b/db/migrate/20170203191030_add_credit_card_to_braintree_configuration.rb
@@ -0,0 +1,6 @@
+class AddCreditCardToBraintreeConfiguration < ActiveRecord::Migration
+  def change
+    add_column :solidus_paypal_braintree_configurations, :credit_card,
+      :boolean, null: false, default: false
+  end
+end
diff --git a/lib/controllers/backend/solidus_paypal_braintree/configurations_controller.rb b/lib/controllers/backend/solidus_paypal_braintree/configurations_controller.rb
index 410f0908..9e86361b 100644
--- a/lib/controllers/backend/solidus_paypal_braintree/configurations_controller.rb
+++ b/lib/controllers/backend/solidus_paypal_braintree/configurations_controller.rb
@@ -24,7 +24,7 @@ def update
 
     def configurations_params
       params.require(:configurations).
-        permit(configuration_fields: [:paypal, :apple_pay])
+        permit(configuration_fields: [:paypal, :apple_pay, :credit_card])
     end
   end
 end
diff --git a/lib/solidus_paypal_braintree/engine.rb b/lib/solidus_paypal_braintree/engine.rb
index 5a2c9b2e..b912b780 100644
--- a/lib/solidus_paypal_braintree/engine.rb
+++ b/lib/solidus_paypal_braintree/engine.rb
@@ -10,6 +10,7 @@ class Engine < Rails::Engine
 
     initializer "register_solidus_paypal_braintree_gateway", after: "spree.register.payment_methods" do |app|
       app.config.spree.payment_methods << SolidusPaypalBraintree::Gateway
+      Spree::PermittedAttributes.source_attributes << :nonce
     end
 
     def self.activate
@@ -18,6 +19,8 @@ def self.activate
       end
     end
 
+    config.assets.precompile += ["spree/backend/solidus_paypal_braintree"]
+
     config.to_prepare(&method(:activate).to_proc)
 
     def self.frontend_available?
@@ -31,7 +34,8 @@ def self.backend_available?
     if frontend_available?
       config.assets.precompile += [
         'spree/frontend/solidus_paypal_braintree',
-        'spree/frontend/paypal_button'
+        'spree/frontend/paypal_button',
+        'spree/checkout/braintree'
       ]
       paths["app/controllers"] << "lib/controllers/frontend"
       paths["app/views"] << "lib/views/frontend"
diff --git a/lib/views/backend/solidus_paypal_braintree/configurations/list.html.erb b/lib/views/backend/solidus_paypal_braintree/configurations/list.html.erb
index 12128af2..bf6c6cd7 100644
--- a/lib/views/backend/solidus_paypal_braintree/configurations/list.html.erb
+++ b/lib/views/backend/solidus_paypal_braintree/configurations/list.html.erb
@@ -17,6 +17,10 @@
             <%= c.label :apple_pay %>
             <%= c.check_box :apple_pay %>
           </div>
+          <div class="field">
+            <%= c.label :credit_card %>
+            <%= c.check_box :credit_card %>
+          </div>
         <% end %>
       </fieldset>
     </div>
diff --git a/lib/views/frontend/spree/checkout/payment/_paypal_braintree.html.erb b/lib/views/frontend/spree/checkout/payment/_paypal_braintree.html.erb
index eb97dc0c..f5f667e0 100644
--- a/lib/views/frontend/spree/checkout/payment/_paypal_braintree.html.erb
+++ b/lib/views/frontend/spree/checkout/payment/_paypal_braintree.html.erb
@@ -1,38 +1,46 @@
 <% address = current_order.ship_address %>
+<% id = payment_method.id %>
 
-<!-- Load the client component. -->
-<script src="https://js.braintreegateway.com/web/3.4.0/js/client.min.js"></script>
-<!-- Load the PayPal component. -->
-<script src="https://js.braintreegateway.com/web/3.4.0/js/paypal.min.js"></script>
-<!-- Load the data-collector component. -->
-<script src="https://js.braintreegateway.com/web/3.4.0/js/data-collector.min.js"></script>
-<script src="https://www.paypalobjects.com/api/button.js?"
-        data-merchant="braintree"
-        data-id="paypal-button"
-        data-button="checkout"
-        data-color="blue"
-        data-size="medium"
-        data-shape="pill"
-        data-button_type="button"
-        data-button_disabled="true"
-        ></script>
-<script>
-  var address = {
-    line1: '<%= address.address1 %>',
-    line2: '<%= address.address2 %>',
-    city: '<%= address.city %>',
-    state: '<%= address.state.name %>',
-    postalCode: '<%= address.zipcode %>',
-    countryCode: '<%= address.country.iso %>',
-    phone: '<%= address.phone %>',
-    recipientName: '<%= "#{address.firstname} #{address.lastname}" %>'
-  }
-  var button = new PaypalButton(document.querySelector("#paypal-button"));
+<% content_for :head do %>
+  <%= javascript_include_tag "spree/checkout/braintree" %>
+<% end %>
 
-  button.initialize({
-    flow: 'vault',
-    enableShippingAddress: true,
-    shippingAddressOverride: address,
-    shippingAddressEditable: false
-  });
-</script>
+<% if current_store.braintree_configuration.paypal? %>
+  <script src="https://www.paypalobjects.com/api/button.js?"
+          data-merchant="braintree"
+          data-id="paypal-button"
+          data-button="checkout"
+          data-color="blue"
+          data-size="medium"
+          data-shape="pill"
+          data-button_type="button"
+          data-button_disabled="true"
+          ></script>
+
+  <script>
+    var address = {
+      line1: '<%= address.address1 %>',
+      line2: '<%= address.address2 %>',
+      city: '<%= address.city %>',
+      state: '<%= address.state.name %>',
+      postalCode: '<%= address.zipcode %>',
+      countryCode: '<%= address.country.iso %>',
+      phone: '<%= address.phone %>',
+      recipientName: '<%= "#{address.firstname} #{address.lastname}" %>'
+    }
+    var button = new PaypalButton(document.querySelector("#paypal-button"));
+
+    button.initialize({
+      flow: 'vault',
+      enableShippingAddress: true,
+      shippingAddressOverride: address,
+      shippingAddressEditable: false
+    });
+  </script>
+<% end %>
+
+<% if current_store.braintree_configuration.credit_card? %>
+  <fieldset class="braintree-hosted-fields" data-braintree-hosted-fields data-id="<%= id %>">
+    <%= render "spree/shared/braintree_hosted_fields", id: id %>
+  </fieldset>
+<% end %>
diff --git a/spec/features/braintree_credit_card_checkout_spec.rb b/spec/features/braintree_credit_card_checkout_spec.rb
new file mode 100644
index 00000000..760ed868
--- /dev/null
+++ b/spec/features/braintree_credit_card_checkout_spec.rb
@@ -0,0 +1,97 @@
+require 'spec_helper'
+require 'spree/testing_support/order_walkthrough'
+
+shared_context "checkout setup" do
+  let(:braintree) { new_gateway(active: true) }
+  let!(:gateway) { create :payment_method }
+
+  before(:each) do
+    braintree.save!
+    create(:store, payment_methods: [gateway, braintree]).tap do |store|
+      store.braintree_configuration.update!(credit_card: true)
+    end
+    order = OrderWalkthrough.up_to(:delivery)
+
+    user = create(:user)
+    order.user = user
+    order.number = "R9999999"
+    order.update!
+
+    allow_any_instance_of(Spree::CheckoutController).to receive_messages(current_order: order)
+    allow_any_instance_of(Spree::CheckoutController).to receive_messages(try_spree_current_user: user)
+    allow_any_instance_of(Spree::Payment).to receive(:number) { "123ABC" }
+    allow_any_instance_of(SolidusPaypalBraintree::Source).to receive(:nonce) { "fake-valid-nonce" }
+
+    visit spree.checkout_state_path(:delivery)
+    click_button "Save and Continue"
+    choose("Braintree")
+    expect(page).to have_selector("#payment_method_#{braintree.id}", visible: true)
+    expect(page).to have_selector("iframe#braintree-hosted-field-number")
+  end
+
+  around(:each) do |example|
+    Capybara.using_wait_time(20) { example.run }
+  end
+end
+
+describe 'entering credit card details', type: :feature, js: true do
+  context "with valid credit card data", vcr: { cassette_name: 'checkout/valid_credit_card' } do
+    include_context "checkout setup"
+
+    it "checks out successfully" do
+      within_frame("braintree-hosted-field-number") do
+        fill_in("credit-card-number", with: "4111111111111111")
+      end
+      within_frame("braintree-hosted-field-expirationDate") do
+        fill_in("expiration", with: "02/2020")
+      end
+      within_frame("braintree-hosted-field-cvv") do
+        fill_in("cvv", with: "123")
+      end
+      click_button("Save and Continue")
+      click_button("Place Order")
+      expect(page).to have_content("Your order has been processed successfully")
+    end
+  end
+
+  context "with invalid credit card data" do
+    include_context "checkout setup"
+
+    # Attempt to submit an empty form once
+    before(:each) do
+      message = accept_prompt do
+        click_button "Save and Continue"
+      end
+      expect(message).to eq "BraintreeError: All fields are empty. Cannot tokenize empty card fields."
+      expect(page).to have_selector("input[type='submit']:enabled")
+    end
+
+    # Same error should be produced when submitting an empty form again
+    context "user tries to resubmit an empty form", vcr: { cassette_name: "checkout/invalid_credit_card" } do
+      it "displays an alert with a meaningful error message" do
+        message = accept_prompt do
+          click_button "Save and Continue"
+        end
+        expect(message).to eq "BraintreeError: All fields are empty. Cannot tokenize empty card fields."
+      end
+    end
+
+    # User should be able to checkout after submit fails once
+    context "user enters valid data", vcr: { cassette_name: "checkout/resubmit_credit_card" } do
+      it "allows them to resubmit and complete the purchase" do
+        within_frame("braintree-hosted-field-number") do
+          fill_in("credit-card-number", with: "4111111111111111")
+        end
+        within_frame("braintree-hosted-field-expirationDate") do
+          fill_in("expiration", with: "02/2020")
+        end
+        within_frame("braintree-hosted-field-cvv") do
+          fill_in("cvv", with: "123")
+        end
+        click_button("Save and Continue")
+        click_button("Place Order")
+        expect(page).to have_content("Your order has been processed successfully")
+      end
+    end
+  end
+end
diff --git a/spec/features/paypal_checkout_spec.rb b/spec/features/paypal_checkout_spec.rb
index ba97d0a9..e99bcc10 100644
--- a/spec/features/paypal_checkout_spec.rb
+++ b/spec/features/paypal_checkout_spec.rb
@@ -2,7 +2,11 @@
 
 describe "Checkout", type: :feature, js: true do
   Capybara.default_max_wait_time = 30
-  let!(:store) { create(:store, payment_methods: [payment_method]) }
+  let!(:store) do
+    create(:store, payment_methods: [payment_method]).tap do |s|
+      s.braintree_configuration.update!(paypal: true)
+    end
+  end
   let!(:country) { create(:country, states_required: true) }
   let!(:state) { create(:state, country: country, abbr: "CA", name: "California") }
   let!(:shipping_method) { create(:shipping_method) }
diff --git a/spec/fixtures/cassettes/braintree/create_profile.yml b/spec/fixtures/cassettes/braintree/create_profile.yml
index e0fdd23e..275b09ba 100644
--- a/spec/fixtures/cassettes/braintree/create_profile.yml
+++ b/spec/fixtures/cassettes/braintree/create_profile.yml
@@ -16,7 +16,7 @@ http_interactions:
       Accept:
       - application/xml
       User-Agent:
-      - Braintree Ruby Gem 2.68.1
+      - Braintree Ruby Gem 2.72.0
       X-Apiversion:
       - '4'
       Authorization:
@@ -29,7 +29,7 @@ http_interactions:
       message: Created
     headers:
       Date:
-      - Mon, 24 Oct 2016 23:13:28 GMT
+      - Thu, 02 Feb 2017 00:47:41 GMT
       Content-Type:
       - application/xml; charset=utf-8
       Transfer-Encoding:
@@ -50,38 +50,38 @@ http_interactions:
       Content-Encoding:
       - gzip
       Etag:
-      - W/"b45f821c71f9ade9b8b6a9a1dd3b4f1d"
+      - W/"8f41b1a022dfdbf117b0b81bb196cea5"
       Cache-Control:
       - max-age=0, private, must-revalidate
       X-Request-Id:
-      - 5d0d9ff4-c932-4346-8942-de6d81a21bf0
+      - b9517a0d-1e73-4c49-8fba-74f6e9614a6b
       X-Runtime:
-      - '0.420233'
+      - '0.413956'
       Strict-Transport-Security:
       - max-age=31536000; includeSubDomains
     body:
       encoding: ASCII-8BIT
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     http_version: 
-  recorded_at: Mon, 24 Oct 2016 23:13:27 GMT
+  recorded_at: Thu, 02 Feb 2017 00:47:41 GMT
 recorded_with: VCR 3.0.3
diff --git a/spec/fixtures/cassettes/braintree/generate_token.yml b/spec/fixtures/cassettes/braintree/generate_token.yml
index 537d95e5..22926713 100644
--- a/spec/fixtures/cassettes/braintree/generate_token.yml
+++ b/spec/fixtures/cassettes/braintree/generate_token.yml
@@ -16,7 +16,7 @@ http_interactions:
       Accept:
       - application/xml
       User-Agent:
-      - Braintree Ruby Gem 2.68.1
+      - Braintree Ruby Gem 2.72.0
       X-Apiversion:
       - '4'
       Authorization:
@@ -29,7 +29,7 @@ http_interactions:
       message: Created
     headers:
       Date:
-      - Mon, 24 Oct 2016 23:13:29 GMT
+      - Thu, 02 Feb 2017 00:47:41 GMT
       Content-Type:
       - application/xml; charset=utf-8
       Transfer-Encoding:
@@ -50,46 +50,46 @@ http_interactions:
       Content-Encoding:
       - gzip
       Etag:
-      - W/"a2dc5b5d7bc007535148d688a8787278"
+      - W/"42e3c4ccc36002ca1b4eaa2422bc5bd3"
       Cache-Control:
       - max-age=0, private, must-revalidate
       X-Request-Id:
-      - 4a0f0cf1-0c17-4107-94fa-f773d70db558
+      - 5fd60577-bb66-44cd-8a69-de41f7f84ed7
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+      - '0.104856'
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 recorded_with: VCR 3.0.3
diff --git a/spec/fixtures/cassettes/braintree/token.yml b/spec/fixtures/cassettes/braintree/token.yml
index eabb9af0..d04c7ef3 100644
--- a/spec/fixtures/cassettes/braintree/token.yml
+++ b/spec/fixtures/cassettes/braintree/token.yml
@@ -16,7 +16,7 @@ http_interactions:
       Accept:
       - application/xml
       User-Agent:
-      - Braintree Ruby Gem 2.66.0
+      - Braintree Ruby Gem 2.72.0
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@@ -29,7 +29,7 @@ http_interactions:
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     headers:
       Date:
-      - Wed, 19 Oct 2016 21:55:23 GMT
+      - Thu, 02 Feb 2017 00:45:49 GMT
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diff --git a/spec/fixtures/cassettes/checkout/invalid_credit_card.yml b/spec/fixtures/cassettes/checkout/invalid_credit_card.yml
new file mode 100644
index 00000000..6ad2a22e
--- /dev/null
+++ b/spec/fixtures/cassettes/checkout/invalid_credit_card.yml
@@ -0,0 +1,95 @@
+---
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+    uri: https://api.sandbox.braintreegateway.com/merchants/7rdg92j7bm7fk5h3/client_token
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diff --git a/spec/fixtures/cassettes/checkout/resubmit_credit_card.yml b/spec/fixtures/cassettes/checkout/resubmit_credit_card.yml
new file mode 100644
index 00000000..1646de55
--- /dev/null
+++ b/spec/fixtures/cassettes/checkout/resubmit_credit_card.yml
@@ -0,0 +1,282 @@
+---
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+- request:
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+    uri: https://api.sandbox.braintreegateway.com/merchants/7rdg92j7bm7fk5h3/client_token
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diff --git a/spec/fixtures/cassettes/checkout/update.yml b/spec/fixtures/cassettes/checkout/update.yml
index 4de51885..30b4d294 100644
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new file mode 100644
index 00000000..394d2ef3
--- /dev/null
+++ b/spec/fixtures/cassettes/checkout/valid_credit_card.yml
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diff --git a/spec/fixtures/cassettes/gateway/authorize.yml b/spec/fixtures/cassettes/gateway/authorize.yml
index a92fb028..3ecbbd25 100644
--- a/spec/fixtures/cassettes/gateway/authorize.yml
+++ b/spec/fixtures/cassettes/gateway/authorize.yml
@@ -22,7 +22,7 @@ http_interactions:
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+      - Braintree Ruby Gem 2.72.0
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@@ -35,7 +35,7 @@ http_interactions:
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+      - Thu, 02 Feb 2017 00:47:29 GMT
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+  recorded_at: Thu, 02 Feb 2017 00:47:29 GMT
 recorded_with: VCR 3.0.3
diff --git a/spec/fixtures/cassettes/gateway/authorize/EUR.yml b/spec/fixtures/cassettes/gateway/authorize/EUR.yml
deleted file mode 100644
index 02aa1232..00000000
--- a/spec/fixtures/cassettes/gateway/authorize/EUR.yml
+++ /dev/null
@@ -1,193 +0,0 @@
----
-http_interactions:
-- request:
-    method: post
-    uri: https://api.sandbox.braintreegateway.com/merchants/7rdg92j7bm7fk5h3/transactions
-    body:
-      encoding: UTF-8
-      string: |
-        <?xml version="1.0" encoding="UTF-8"?>
-        <transaction>
-          <amount>10.00</amount>
-          <options>
-            <store-in-vault-on-success type="boolean">true</store-in-vault-on-success>
-          </options>
-          <merchant-account-id>stembolt_EUR</merchant-account-id>
-          <payment-method-nonce>fake-valid-nonce</payment-method-nonce>
-          <type>sale</type>
-        </transaction>
-    headers:
-      Accept-Encoding:
-      - gzip
-      Accept:
-      - application/xml
-      User-Agent:
-      - Braintree Ruby Gem 2.68.1
-      X-Apiversion:
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-      Authorization:
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-      Content-Type:
-      - application/xml
-  response:
-    status:
-      code: 201
-      message: Created
-    headers:
-      Date:
-      - Mon, 24 Oct 2016 23:13:15 GMT
-      Content-Type:
-      - application/xml; charset=utf-8
-      Transfer-Encoding:
-      - chunked
-      X-Frame-Options:
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-      - SAMEORIGIN
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-      Etag:
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-      Cache-Control:
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-    http_version: 
-  recorded_at: Mon, 24 Oct 2016 23:13:14 GMT
-- request:
-    method: get
-    uri: https://api.sandbox.braintreegateway.com/merchants/7rdg92j7bm7fk5h3/transactions/39yfetfy
-    body:
-      encoding: US-ASCII
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-      Accept:
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-      User-Agent:
-      - Braintree Ruby Gem 2.68.1
-      X-Apiversion:
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-      Authorization:
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-  response:
-    status:
-      code: 200
-      message: OK
-    headers:
-      Date:
-      - Mon, 24 Oct 2016 23:13:16 GMT
-      Content-Type:
-      - application/xml; charset=utf-8
-      Transfer-Encoding:
-      - chunked
-      X-Frame-Options:
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-      - 3v249hqtptsg744y
-      Vary:
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-      Content-Encoding:
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-      Etag:
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-      Cache-Control:
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-  recorded_at: Mon, 24 Oct 2016 23:13:15 GMT
-recorded_with: VCR 3.0.3
diff --git a/spec/fixtures/cassettes/gateway/authorize/merchant_account/EUR.yml b/spec/fixtures/cassettes/gateway/authorize/merchant_account/EUR.yml
index 2e0d71e0..f8d7035d 100644
--- a/spec/fixtures/cassettes/gateway/authorize/merchant_account/EUR.yml
+++ b/spec/fixtures/cassettes/gateway/authorize/merchant_account/EUR.yml
@@ -26,7 +26,7 @@ http_interactions:
       Accept:
       - application/xml
       User-Agent:
-      - Braintree Ruby Gem 2.69.1
+      - Braintree Ruby Gem 2.72.0
       X-Apiversion:
       - '4'
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@@ -39,7 +39,7 @@ http_interactions:
       message: Created
     headers:
       Date:
-      - Tue, 10 Jan 2017 17:34:38 GMT
+      - Thu, 02 Feb 2017 00:47:30 GMT
       Content-Type:
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@@ -60,54 +60,54 @@ http_interactions:
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+      - W/"b9a973fa5da11e6c069afbf6dec3456a"
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+  recorded_at: Thu, 02 Feb 2017 00:47:30 GMT
 - request:
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-    uri: https://api.sandbox.braintreegateway.com/merchants/7rdg92j7bm7fk5h3/transactions/grdwps0e
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-      - Braintree Ruby Gem 2.69.1
+      - Braintree Ruby Gem 2.72.0
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     headers:
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+      - Thu, 02 Feb 2017 00:47:30 GMT
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diff --git a/spec/fixtures/cassettes/gateway/authorize/paypal/EUR.yml b/spec/fixtures/cassettes/gateway/authorize/paypal/EUR.yml
index 601d5eed..bd8a81c2 100644
--- a/spec/fixtures/cassettes/gateway/authorize/paypal/EUR.yml
+++ b/spec/fixtures/cassettes/gateway/authorize/paypal/EUR.yml
@@ -26,7 +26,7 @@ http_interactions:
       Accept:
       - application/xml
       User-Agent:
-      - Braintree Ruby Gem 2.69.1
+      - Braintree Ruby Gem 2.72.0
       X-Apiversion:
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       Authorization:
@@ -39,7 +39,7 @@ http_interactions:
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     headers:
       Date:
-      - Tue, 10 Jan 2017 17:34:39 GMT
+      - Thu, 02 Feb 2017 00:47:31 GMT
       Content-Type:
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diff --git a/spec/fixtures/cassettes/gateway/cancel/missing.yml b/spec/fixtures/cassettes/gateway/cancel/missing.yml
index 09abdd9f..9f63b102 100644
--- a/spec/fixtures/cassettes/gateway/cancel/missing.yml
+++ b/spec/fixtures/cassettes/gateway/cancel/missing.yml
@@ -12,7 +12,7 @@ http_interactions:
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-      - Braintree Ruby Gem 2.68.1
+      - Braintree Ruby Gem 2.72.0
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     headers:
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-      - Mon, 24 Oct 2016 23:13:28 GMT
+      - Thu, 02 Feb 2017 00:47:40 GMT
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+      - afb03281-7a66-4c91-8ba9-0a4f78fb7d11
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+      - '0.202375'
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     http_version: 
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+  recorded_at: Thu, 02 Feb 2017 00:47:40 GMT
 recorded_with: VCR 3.0.3
diff --git a/spec/fixtures/cassettes/gateway/cancel/refunds.yml b/spec/fixtures/cassettes/gateway/cancel/refunds.yml
index 9c0a7682..4bece62e 100644
--- a/spec/fixtures/cassettes/gateway/cancel/refunds.yml
+++ b/spec/fixtures/cassettes/gateway/cancel/refunds.yml
@@ -21,7 +21,7 @@ http_interactions:
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-      - Braintree Ruby Gem 2.68.1
+      - Braintree Ruby Gem 2.72.0
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@@ -34,7 +34,7 @@ http_interactions:
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+      - Thu, 02 Feb 2017 00:47:37 GMT
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diff --git a/spec/fixtures/cassettes/gateway/capture.yml b/spec/fixtures/cassettes/gateway/capture.yml
index 00000025..f29e03ca 100644
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diff --git a/spec/fixtures/cassettes/gateway/complete.yml b/spec/fixtures/cassettes/gateway/complete.yml
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diff --git a/spec/fixtures/cassettes/gateway/purchase.yml b/spec/fixtures/cassettes/gateway/purchase.yml
index 4b7304a8..ea427837 100644
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diff --git a/spec/fixtures/cassettes/gateway/void.yml b/spec/fixtures/cassettes/gateway/void.yml
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 recorded_with: VCR 3.0.3
diff --git a/spec/fixtures/cassettes/paypal/checkout.yml b/spec/fixtures/cassettes/paypal/checkout.yml
index 2da24ffb..c8798087 100644
--- a/spec/fixtures/cassettes/paypal/checkout.yml
+++ b/spec/fixtures/cassettes/paypal/checkout.yml
@@ -16,7 +16,7 @@ http_interactions:
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+      - Braintree Ruby Gem 2.72.0
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     headers:
       Date:
-      - Fri, 28 Oct 2016 18:12:32 GMT
+      - Fri, 03 Feb 2017 21:18:10 GMT
       Content-Type:
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-      - W/"66427b04cf5c730187abd03b1b88c689"
+      - W/"56306efdce4a4cadb02357e216f7a481"
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+      - 3945d6fb-1bd4-4a6f-9817-719175f5be57
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+  recorded_at: Fri, 03 Feb 2017 21:18:10 GMT
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+      - Braintree Ruby Gem 2.72.0
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diff --git a/spec/fixtures/cassettes/paypal/one_touch_checkout.yml b/spec/fixtures/cassettes/paypal/one_touch_checkout.yml
index 3f1e9375..85bac116 100644
--- a/spec/fixtures/cassettes/paypal/one_touch_checkout.yml
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diff --git a/spec/fixtures/cassettes/paypal_checkout.yml b/spec/fixtures/cassettes/paypal_checkout.yml
deleted file mode 100644
index b028bdbb..00000000
--- a/spec/fixtures/cassettes/paypal_checkout.yml
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+        swJfrAKK+F4WnNUaS7oVONaq9nbCZQBzs8nuLZ+JS+lEi7FIaqUd8WVg8GWn
+        u7Y1UvkTNGDN/u3HmMk/Bd4Jh4N1Gtu18h/DviCwXJHr+QzWaeohxZiWGd+t
+        51VtwFcf7ZwhXCB3q90rxM5W12cebZ+JgjnQmP0MHB2TpCEBmgW9bauhTG/Z
+        6nmVybGvELxjtvgAj57JccRGHST+8DcAAAD//wMAGzhcs3USAAA=
     http_version: 
-  recorded_at: Tue, 10 Jan 2017 17:56:05 GMT
+  recorded_at: Thu, 02 Feb 2017 00:47:43 GMT
 - request:
     method: put
-    uri: https://api.sandbox.braintreegateway.com/merchants/7rdg92j7bm7fk5h3/transactions/1jzd23yd/submit_for_settlement
+    uri: https://api.sandbox.braintreegateway.com/merchants/7rdg92j7bm7fk5h3/transactions/55ps1cza/submit_for_settlement
     body:
       encoding: UTF-8
       string: |
@@ -203,7 +203,7 @@ http_interactions:
       Accept:
       - application/xml
       User-Agent:
-      - Braintree Ruby Gem 2.69.1
+      - Braintree Ruby Gem 2.72.0
       X-Apiversion:
       - '4'
       Authorization:
@@ -216,7 +216,7 @@ http_interactions:
       message: OK
     headers:
       Date:
-      - Tue, 10 Jan 2017 17:56:07 GMT
+      - Thu, 02 Feb 2017 00:47:44 GMT
       Content-Type:
       - application/xml; charset=utf-8
       Transfer-Encoding:
@@ -237,50 +237,50 @@ http_interactions:
       Content-Encoding:
       - gzip
       Etag:
-      - W/"05018ec8a9afe4cab6d613847487fe90"
+      - W/"aa50ea2fb1cc6d766950bdc820816e69"
       Cache-Control:
       - max-age=0, private, must-revalidate
       X-Request-Id:
-      - 90d56313-fa0b-4092-9c4f-5abda7fdd95d
+      - 5ae949b6-96df-4e29-9e27-b6ef2a2f6c43
       X-Runtime:
-      - '0.291889'
+      - '0.347408'
       Strict-Transport-Security:
       - max-age=31536000; includeSubDomains
     body:
       encoding: ASCII-8BIT
       string: !binary |-
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     http_version: 
-  recorded_at: Tue, 10 Jan 2017 17:56:07 GMT
+  recorded_at: Thu, 02 Feb 2017 00:47:44 GMT
 recorded_with: VCR 3.0.3
diff --git a/spec/spec_helper.rb b/spec/spec_helper.rb
index e28194ee..d5c76500 100644
--- a/spec/spec_helper.rb
+++ b/spec/spec_helper.rb
@@ -41,7 +41,7 @@
   # Paypal requires TLS v1.2 for ssl connections
   Capybara::Poltergeist::Driver.new(app, {
     phantomjs_logger: Rails.logger,
-    phantomjs_options: ['--ssl-protocol=tlsv1.2'],
+    phantomjs_options: ['--ssl-protocol=any'],
     timeout: 1.minute
   })
 end
diff --git a/vendor/assets/javascripts/braintree/3.5.0/client.js b/vendor/assets/javascripts/braintree/3.5.0/client.js
new file mode 100644
index 00000000..116b7ad2
--- /dev/null
+++ b/vendor/assets/javascripts/braintree/3.5.0/client.js
@@ -0,0 +1,1098 @@
+(function(f){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}(g.braintree || (g.braintree = {})).client = f()}})(function(){var define,module,exports;return (function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(_dereq_,module,exports){
+'use strict';
+
+var request = _dereq_('./request');
+var isWhitelistedDomain = _dereq_('../lib/is-whitelisted-domain');
+var BraintreeError = _dereq_('../lib/error');
+var addMetadata = _dereq_('../lib/add-metadata');
+var deferred = _dereq_('../lib/deferred');
+var errors = _dereq_('./errors');
+
+/**
+ * This object is returned by {@link Client#getConfiguration|getConfiguration}. This information is used extensively by other Braintree modules to properly configure themselves.
+ * @typedef {object} Client~configuration
+ * @property {object} client The braintree-web/client parameters.
+ * @property {string} client.authorization A tokenizationKey or clientToken.
+ * @property {object} gatewayConfiguration Gateway-supplied configuration.
+ * @property {object} analyticsMetadata Analytics-specific data.
+ * @property {string} analyticsMetadata.sessionId Uniquely identifies a browsing session.
+ * @property {string} analyticsMetadata.sdkVersion The braintree.js version.
+ * @property {string} analyticsMetadata.merchantAppId Identifies the merchant's web app.
+ */
+
+/**
+ * @class
+ * @param {Client~configuration} configuration Options
+ * @description <strong>Do not use this constructor directly. Use {@link module:braintree-web/client.create|braintree.client.create} instead.</strong>
+ * @classdesc This class is required by many other Braintree components. It serves as the base API layer that communicates with our servers. It is also capable of being used to formulate direct calls to our servers, such as direct credit card tokenization. See {@link Client#request}.
+ */
+function Client(configuration) {
+  var configurationJSON, gatewayConfiguration;
+
+  configuration = configuration || {};
+
+  configurationJSON = JSON.stringify(configuration);
+  gatewayConfiguration = configuration.gatewayConfiguration;
+
+  if (!gatewayConfiguration) {
+    throw new BraintreeError(errors.CLIENT_MISSING_GATEWAY_CONFIGURATION);
+  }
+
+  [
+    'assetsUrl',
+    'clientApiUrl',
+    'configUrl'
+  ].forEach(function (property) {
+    if (property in gatewayConfiguration && !isWhitelistedDomain(gatewayConfiguration[property])) {
+      throw new BraintreeError({
+        type: errors.CLIENT_GATEWAY_CONFIGURATION_INVALID_DOMAIN.type,
+        code: errors.CLIENT_GATEWAY_CONFIGURATION_INVALID_DOMAIN.code,
+        message: property + ' property is on an invalid domain.'
+      });
+    }
+  });
+
+  /**
+   * Returns a copy of the configuration values.
+   * @public
+   * @returns {Client~configuration} configuration
+   */
+  this.getConfiguration = function () {
+    return JSON.parse(configurationJSON);
+  };
+
+  this._request = request;
+  this._baseUrl = configuration.gatewayConfiguration.clientApiUrl + '/v1/';
+  this._configuration = this.getConfiguration();
+
+  this.toJSON = this.getConfiguration;
+}
+
+/**
+ * Used by other modules to formulate all network requests to the Braintree gateway. It is also capable of being used directly from your own form to tokenize credit card information. However, be sure to satisfy PCI compliance if you use direct card tokenization.
+ * @public
+ * @param {object} options Request options:
+ * @param {string} options.method HTTP method. i.e. "get" or "post"
+ * @param {string} options.endpoint Enpoint path. i.e. "payment_methods"
+ * @param {object} options.data Data to send with the request
+ * @param {string} [options.timeout=60000] Timeout limit
+ * @param {callback} callback The second argument, <code>data</code>, is the returned server data.
+ * @example
+ * <caption>Direct Credit Card Tokenization</caption>
+ * var createClient = require('braintree-web/client').create;
+ *
+ * createClient({
+ *   authorization: CLIENT_AUTHORIZATION
+ * }, function (createErr, clientInstance) {
+ *   var form = document.getElementById('my-form-id');
+ *   var data = {
+ *     creditCard: {
+ *       number: form['cc-number'].value,
+ *       cvv: form['cc-cvv'].value,
+ *       expirationDate: form['cc-date'].value,
+ *       billingAddress: {
+ *         postalCode: form['cc-postal'].value
+ *       }
+ *     }
+ *   };
+ *
+ *   // Warning: For a merchant to be eligible for the easiest level of PCI compliance (SAQ A),
+ *   // payment fields cannot be hosted on your checkout page.
+ *   // For an alternative to the following, use Hosted Fields.
+ *   clientInstance.request({
+ *     endpoint: 'payment_methods/credit_cards',
+ *     method: 'post',
+ *     data: data
+ *   }, function (requestErr, response) {
+ *     if (requestErr) { throw new Error(requestErr); }
+ *
+ *     console.log('Got nonce:', response.creditCards[0].nonce);
+ *   });
+ * });
+ * @returns {void}
+ */
+Client.prototype.request = function (options, callback) {
+  var optionName;
+
+  if (!options.method) {
+    optionName = 'options.method';
+  } else if (!options.endpoint) {
+    optionName = 'options.endpoint';
+  }
+
+  if (optionName) {
+    callback = deferred(callback);
+    callback(new BraintreeError({
+      type: errors.CLIENT_OPTION_REQUIRED.type,
+      code: errors.CLIENT_OPTION_REQUIRED.code,
+      message: optionName + ' is required when making a request.'
+    }));
+    return;
+  }
+
+  this._request({
+    url: this._baseUrl + options.endpoint,
+    method: options.method,
+    data: addMetadata(this._configuration, options.data),
+    // TODO: change this to options.headers and document it
+    // when features that require headers are out of beta
+    headers: options._headers,
+    timeout: options.timeout
+  }, this._bindRequestCallback(callback));
+};
+
+Client.prototype._bindRequestCallback = function (callback) {
+  return function (err, data, status) {
+    if (status === -1) {
+      callback(new BraintreeError(errors.CLIENT_REQUEST_TIMEOUT), null, status);
+    } else if (status === 403) {
+      callback(new BraintreeError(errors.CLIENT_AUTHORIZATION_INSUFFICIENT), null, status);
+    } else if (status === 429) {
+      callback(new BraintreeError(errors.CLIENT_RATE_LIMITED), null, status);
+    } else if (status >= 500) {
+      callback(new BraintreeError(errors.CLIENT_GATEWAY_NETWORK), null, status);
+    } else if (status < 200 || status >= 400) {
+      callback(new BraintreeError({
+        type: errors.CLIENT_REQUEST_ERROR.type,
+        code: errors.CLIENT_REQUEST_ERROR.code,
+        message: errors.CLIENT_REQUEST_ERROR.message,
+        details: {originalError: err}
+      }), null, status);
+    } else {
+      callback(null, data, status);
+    }
+  };
+};
+
+module.exports = Client;
+
+},{"../lib/add-metadata":13,"../lib/deferred":16,"../lib/error":18,"../lib/is-whitelisted-domain":19,"./errors":2,"./request":7}],2:[function(_dereq_,module,exports){
+'use strict';
+
+var BraintreeError = _dereq_('../lib/error');
+
+module.exports = {
+  CLIENT_GATEWAY_CONFIGURATION_INVALID_DOMAIN: {
+    type: BraintreeError.types.MERCHANT,
+    code: 'CLIENT_GATEWAY_CONFIGURATION_INVALID_DOMAIN'
+  },
+  CLIENT_OPTION_REQUIRED: {
+    type: BraintreeError.types.MERCHANT,
+    code: 'CLIENT_OPTION_REQUIRED'
+  },
+  CLIENT_MISSING_GATEWAY_CONFIGURATION: {
+    type: BraintreeError.types.INTERNAL,
+    code: 'CLIENT_MISSING_GATEWAY_CONFIGURATION',
+    message: 'Missing gatewayConfiguration.'
+  },
+  CLIENT_INVALID_AUTHORIZATION: {
+    type: BraintreeError.types.MERCHANT,
+    code: 'CLIENT_INVALID_AUTHORIZATION',
+    message: 'Authorization is invalid. Make sure your client token or tokenization key is valid.'
+  },
+  CLIENT_GATEWAY_NETWORK: {
+    type: BraintreeError.types.NETWORK,
+    code: 'CLIENT_GATEWAY_NETWORK',
+    message: 'Cannot contact the gateway at this time.'
+  },
+  CLIENT_REQUEST_TIMEOUT: {
+    type: BraintreeError.types.NETWORK,
+    code: 'CLIENT_REQUEST_TIMEOUT',
+    message: 'Request timed out waiting for a reply.'
+  },
+  CLIENT_REQUEST_ERROR: {
+    type: BraintreeError.types.NETWORK,
+    code: 'CLIENT_REQUEST_ERROR',
+    message: 'There was a problem with your request.'
+  },
+  CLIENT_RATE_LIMITED: {
+    type: BraintreeError.types.MERCHANT,
+    code: 'CLIENT_RATE_LIMITED',
+    message: 'You are being rate-limited; please try again in a few minutes.'
+  },
+  CLIENT_AUTHORIZATION_INSUFFICIENT: {
+    type: BraintreeError.types.MERCHANT,
+    code: 'CLIENT_AUTHORIZATION_INSUFFICIENT',
+    message: 'The authorization used has insufficient privileges.'
+  }
+};
+
+},{"../lib/error":18}],3:[function(_dereq_,module,exports){
+(function (global){
+'use strict';
+
+var BraintreeError = _dereq_('../lib/error');
+var request = _dereq_('./request');
+var uuid = _dereq_('../lib/uuid');
+var constants = _dereq_('../lib/constants');
+var createAuthorizationData = _dereq_('../lib/create-authorization-data');
+var errors = _dereq_('./errors');
+
+function getConfiguration(options, callback) {
+  var configuration, authData, attrs, configUrl;
+  var sessionId = uuid();
+  var analyticsMetadata = {
+    merchantAppId: global.location.host,
+    platform: constants.PLATFORM,
+    sdkVersion: constants.VERSION,
+    source: constants.SOURCE,
+    integration: constants.INTEGRATION,
+    integrationType: constants.INTEGRATION,
+    sessionId: sessionId
+  };
+
+  try {
+    authData = createAuthorizationData(options.authorization);
+  } catch (err) {
+    callback(new BraintreeError(errors.CLIENT_INVALID_AUTHORIZATION));
+    return;
+  }
+  attrs = authData.attrs;
+  configUrl = authData.configUrl;
+
+  attrs._meta = analyticsMetadata;
+  attrs.braintreeLibraryVersion = constants.BRAINTREE_LIBRARY_VERSION;
+  attrs.configVersion = '3';
+
+  request({
+    url: configUrl,
+    method: 'GET',
+    data: attrs
+  }, function (err, response, status) {
+    var errorTemplate;
+
+    if (err) {
+      if (status === 403) {
+        errorTemplate = errors.CLIENT_AUTHORIZATION_INSUFFICIENT;
+      } else {
+        errorTemplate = errors.CLIENT_GATEWAY_NETWORK;
+      }
+
+      callback(new BraintreeError({
+        type: errorTemplate.type,
+        code: errorTemplate.code,
+        message: errorTemplate.message,
+        details: {
+          originalError: err
+        }
+      }));
+      return;
+    }
+
+    configuration = {
+      authorization: options.authorization,
+      authorizationType: attrs.tokenizationKey ? 'TOKENIZATION_KEY' : 'CLIENT_TOKEN',
+      analyticsMetadata: analyticsMetadata,
+      gatewayConfiguration: response
+    };
+
+    callback(null, configuration);
+  });
+}
+
+module.exports = {
+  getConfiguration: getConfiguration
+};
+
+}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
+},{"../lib/constants":14,"../lib/create-authorization-data":15,"../lib/error":18,"../lib/uuid":25,"./errors":2,"./request":7}],4:[function(_dereq_,module,exports){
+'use strict';
+
+var BraintreeError = _dereq_('../lib/error');
+var Client = _dereq_('./client');
+var getConfiguration = _dereq_('./get-configuration').getConfiguration;
+var throwIfNoCallback = _dereq_('../lib/throw-if-no-callback');
+var packageVersion = "3.5.0";
+var deferred = _dereq_('../lib/deferred');
+var sharedErrors = _dereq_('../errors');
+
+/** @module braintree-web/client */
+
+/**
+ * @function
+ * @description This function is the entry point for the <code>braintree.client</code> module. It is used for creating {@link Client} instances that service communication to Braintree servers.
+ * @param {object} options Object containing all {@link Client} options:
+ * @param {string} options.authorization A tokenizationKey or clientToken.
+ * @param {callback} callback The second argument, <code>data</code>, is the {@link Client} instance.
+ * @returns {void}
+ * @example
+ * var createClient = require('braintree-web/client').create;
+ *
+ * createClient({
+ *   authorization: CLIENT_AUTHORIZATION
+ * }, function (createErr, clientInstance) {
+ *   ...
+ * });
+ * @static
+ */
+function create(options, callback) {
+  throwIfNoCallback(callback, 'create');
+
+  callback = deferred(callback);
+
+  if (!options.authorization) {
+    callback(new BraintreeError({
+      type: sharedErrors.INSTANTIATION_OPTION_REQUIRED.type,
+      code: sharedErrors.INSTANTIATION_OPTION_REQUIRED.code,
+      message: 'options.authorization is required when instantiating a client.'
+    }));
+    return;
+  }
+
+  getConfiguration(options, function (err, configuration) {
+    var client;
+
+    if (err) {
+      callback(err);
+      return;
+    }
+
+    try {
+      client = new Client(configuration);
+    } catch (clientCreationError) {
+      callback(clientCreationError);
+      return;
+    }
+
+    callback(null, client);
+  });
+}
+
+module.exports = {
+  create: create,
+  /**
+   * @description The current version of the SDK, i.e. `{@pkg version}`.
+   * @type {string}
+   */
+  VERSION: packageVersion
+};
+
+},{"../errors":12,"../lib/deferred":16,"../lib/error":18,"../lib/throw-if-no-callback":24,"./client":1,"./get-configuration":3}],5:[function(_dereq_,module,exports){
+(function (global){
+'use strict';
+
+var querystring = _dereq_('../../lib/querystring');
+var prepBody = _dereq_('./prep-body');
+var parseBody = _dereq_('./parse-body');
+var isXHRAvailable = global.XMLHttpRequest && 'withCredentials' in new global.XMLHttpRequest();
+
+function getRequestObject() {
+  return isXHRAvailable ? new XMLHttpRequest() : new XDomainRequest();
+}
+
+function request(options, cb) {
+  var status, resBody;
+  var method = options.method;
+  var url = options.url;
+  var body = options.data;
+  var timeout = options.timeout;
+  var headers = options.headers || {};
+  var req = getRequestObject();
+  var callback = cb;
+
+  if (method === 'GET') {
+    url = querystring.queryify(url, body);
+    body = null;
+  }
+
+  if (isXHRAvailable) {
+    req.onreadystatechange = function () {
+      if (req.readyState !== 4) { return; }
+
+      status = req.status;
+      resBody = parseBody(req.responseText);
+
+      if (status >= 400 || status < 200) {
+        callback(resBody || 'error', null, status || 500);
+      } else {
+        callback(null, resBody, status);
+      }
+    };
+  } else {
+    req.onload = function () {
+      callback(null, parseBody(req.responseText), req.status);
+    };
+
+    req.onerror = function () {
+      // XDomainRequest does not report a body or status for errors, so
+      // hardcode to 'error' and 500, respectively
+      callback('error', null, 500);
+    };
+
+    // This must remain for IE9 to work
+    req.onprogress = function () {};
+
+    req.ontimeout = function () {
+      callback('timeout', null, -1);
+    };
+  }
+
+  req.open(method, url, true);
+  req.timeout = timeout;
+
+  if (isXHRAvailable && method === 'POST') {
+    req.setRequestHeader('Content-Type', 'application/json');
+
+    // TODO: Make this work in IE9.
+    //
+    // To do this, we'll change these URL and headers...
+    // /my/endpoint
+    // Content-Type: text/plain
+    // Authorization: Bearer abc123
+    //
+    // ...to this URL:
+    // /my/endpoint?content_type=text%2Fplain&authorization:Bearer+abc123
+    Object.keys(headers).forEach(function (headerKey) {
+      req.setRequestHeader(headerKey, headers[headerKey]);
+    });
+  }
+
+  try {
+    req.send(prepBody(method, body));
+  } catch (e) { /* ignored */ }
+}
+
+module.exports = {
+  request: request
+};
+
+}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
+},{"../../lib/querystring":23,"./parse-body":10,"./prep-body":11}],6:[function(_dereq_,module,exports){
+(function (global){
+'use strict';
+
+module.exports = function getUserAgent() {
+  return global.navigator.userAgent;
+};
+
+}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
+},{}],7:[function(_dereq_,module,exports){
+'use strict';
+
+var ajaxIsAvaliable;
+var once = _dereq_('../../lib/once');
+var JSONPDriver = _dereq_('./jsonp-driver');
+var AJAXDriver = _dereq_('./ajax-driver');
+var getUserAgent = _dereq_('./get-user-agent');
+var isHTTP = _dereq_('./is-http');
+
+function isAjaxAvailable() {
+  if (ajaxIsAvaliable == null) {
+    ajaxIsAvaliable = !(isHTTP() && /MSIE\s(8|9)/.test(getUserAgent()));
+  }
+
+  return ajaxIsAvaliable;
+}
+
+module.exports = function (options, cb) {
+  cb = once(cb || Function.prototype);
+  options.method = (options.method || 'GET').toUpperCase();
+  options.timeout = options.timeout == null ? 60000 : options.timeout;
+  options.data = options.data || {};
+
+  if (isAjaxAvailable()) {
+    AJAXDriver.request(options, cb);
+  } else {
+    JSONPDriver.request(options, cb);
+  }
+};
+
+},{"../../lib/once":21,"./ajax-driver":5,"./get-user-agent":6,"./is-http":8,"./jsonp-driver":9}],8:[function(_dereq_,module,exports){
+(function (global){
+'use strict';
+
+module.exports = function () {
+  return global.location.protocol === 'http:';
+};
+
+}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
+},{}],9:[function(_dereq_,module,exports){
+(function (global){
+'use strict';
+
+var head;
+var uuid = _dereq_('../../lib/uuid');
+var querystring = _dereq_('../../lib/querystring');
+var timeouts = {};
+
+function _removeScript(script) {
+  if (script && script.parentNode) {
+    script.parentNode.removeChild(script);
+  }
+}
+
+function _createScriptTag(url, callbackName) {
+  var script = document.createElement('script');
+  var done = false;
+
+  script.src = url;
+  script.async = true;
+  script.onerror = function () {
+    global[callbackName]({message: 'error', status: 500});
+  };
+
+  script.onload = script.onreadystatechange = function () {
+    if (done) { return; }
+
+    if (!this.readyState || this.readyState === 'loaded' || this.readyState === 'complete') {
+      done = true;
+      script.onload = script.onreadystatechange = null;
+    }
+  };
+
+  return script;
+}
+
+function _cleanupGlobal(callbackName) {
+  try {
+    delete global[callbackName];
+  } catch (_) {
+    global[callbackName] = null;
+  }
+}
+
+function _setupTimeout(timeout, callbackName) {
+  timeouts[callbackName] = setTimeout(function () {
+    timeouts[callbackName] = null;
+
+    global[callbackName]({
+      error: 'timeout',
+      status: -1
+    });
+
+    global[callbackName] = function () {
+      _cleanupGlobal(callbackName);
+    };
+  }, timeout);
+}
+
+function _setupGlobalCallback(script, callback, callbackName) {
+  global[callbackName] = function (response) {
+    var status = response.status || 500;
+    var err = null;
+    var data = null;
+
+    delete response.status;
+
+    if (status >= 400 || status < 200) {
+      err = response;
+    } else {
+      data = response;
+    }
+
+    _cleanupGlobal(callbackName);
+    _removeScript(script);
+
+    clearTimeout(timeouts[callbackName]);
+    callback(err, data, status);
+  };
+}
+
+function request(options, callback) {
+  var script;
+  var callbackName = 'callback_json_' + uuid().replace(/-/g, '');
+  var url = options.url;
+  var attrs = options.data;
+  var method = options.method;
+  var timeout = options.timeout;
+
+  url = querystring.queryify(url, attrs);
+  url = querystring.queryify(url, {
+    _method: method,
+    callback: callbackName
+  });
+
+  script = _createScriptTag(url, callbackName);
+  _setupGlobalCallback(script, callback, callbackName);
+  _setupTimeout(timeout, callbackName);
+
+  if (!head) {
+    head = document.getElementsByTagName('head')[0];
+  }
+
+  head.appendChild(script);
+}
+
+module.exports = {
+  request: request
+};
+
+}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
+},{"../../lib/querystring":23,"../../lib/uuid":25}],10:[function(_dereq_,module,exports){
+'use strict';
+
+module.exports = function (body) {
+  try {
+    body = JSON.parse(body);
+  } catch (e) { /* ignored */ }
+
+  return body;
+};
+
+},{}],11:[function(_dereq_,module,exports){
+'use strict';
+
+module.exports = function (method, body) {
+  if (typeof method !== 'string') {
+    throw new Error('Method must be a string');
+  }
+
+  if (method.toLowerCase() !== 'get' && body != null) {
+    body = typeof body === 'string' ? body : JSON.stringify(body);
+  }
+
+  return body;
+};
+
+},{}],12:[function(_dereq_,module,exports){
+'use strict';
+
+var BraintreeError = _dereq_('./lib/error');
+
+module.exports = {
+  CALLBACK_REQUIRED: {
+    type: BraintreeError.types.MERCHANT,
+    code: 'CALLBACK_REQUIRED'
+  },
+  INSTANTIATION_OPTION_REQUIRED: {
+    type: BraintreeError.types.MERCHANT,
+    code: 'INSTANTIATION_OPTION_REQUIRED'
+  },
+  INCOMPATIBLE_VERSIONS: {
+    type: BraintreeError.types.MERCHANT,
+    code: 'INCOMPATIBLE_VERSIONS'
+  },
+  METHOD_CALLED_AFTER_TEARDOWN: {
+    type: BraintreeError.types.MERCHANT,
+    code: 'METHOD_CALLED_AFTER_TEARDOWN'
+  },
+  BRAINTREE_API_ACCESS_RESTRICTED: {
+    type: BraintreeError.types.MERCHANT,
+    code: 'BRAINTREE_API_ACCESS_RESTRICTED',
+    message: 'Your access is restricted and cannot use this part of the Braintree API.'
+  }
+};
+
+},{"./lib/error":18}],13:[function(_dereq_,module,exports){
+'use strict';
+
+var createAuthorizationData = _dereq_('./create-authorization-data');
+var jsonClone = _dereq_('./json-clone');
+var constants = _dereq_('./constants');
+
+function addMetadata(configuration, data) {
+  var key;
+  var attrs = data ? jsonClone(data) : {};
+  var authAttrs = createAuthorizationData(configuration.authorization).attrs;
+  var _meta = jsonClone(configuration.analyticsMetadata);
+
+  attrs.braintreeLibraryVersion = constants.BRAINTREE_LIBRARY_VERSION;
+
+  for (key in attrs._meta) {
+    if (attrs._meta.hasOwnProperty(key)) {
+      _meta[key] = attrs._meta[key];
+    }
+  }
+
+  attrs._meta = _meta;
+
+  if (authAttrs.tokenizationKey) {
+    attrs.tokenizationKey = authAttrs.tokenizationKey;
+  } else {
+    attrs.authorizationFingerprint = authAttrs.authorizationFingerprint;
+  }
+
+  return attrs;
+}
+
+module.exports = addMetadata;
+
+},{"./constants":14,"./create-authorization-data":15,"./json-clone":20}],14:[function(_dereq_,module,exports){
+'use strict';
+
+var VERSION = "3.5.0";
+var PLATFORM = 'web';
+
+module.exports = {
+  ANALYTICS_REQUEST_TIMEOUT_MS: 2000,
+  INTEGRATION_TIMEOUT_MS: 60000,
+  VERSION: VERSION,
+  INTEGRATION: 'custom',
+  SOURCE: 'client',
+  PLATFORM: PLATFORM,
+  BRAINTREE_LIBRARY_VERSION: 'braintree/' + PLATFORM + '/' + VERSION
+};
+
+},{}],15:[function(_dereq_,module,exports){
+'use strict';
+
+var atob = _dereq_('../lib/polyfill').atob;
+
+var apiUrls = {
+  production: 'https://api.braintreegateway.com:443',
+  sandbox: 'https://api.sandbox.braintreegateway.com:443'
+};
+
+/* eslint-enable no-undef,block-scoped-var */
+
+function _isTokenizationKey(str) {
+  return /^[a-zA-Z0-9]+_[a-zA-Z0-9]+_[a-zA-Z0-9_]+$/.test(str);
+}
+
+function _parseTokenizationKey(tokenizationKey) {
+  var tokens = tokenizationKey.split('_');
+  var environment = tokens[0];
+  var merchantId = tokens.slice(2).join('_');
+
+  return {
+    merchantId: merchantId,
+    environment: environment
+  };
+}
+
+function createAuthorizationData(authorization) {
+  var parsedClientToken, parsedTokenizationKey;
+  var data = {
+    attrs: {},
+    configUrl: ''
+  };
+
+  if (_isTokenizationKey(authorization)) {
+    parsedTokenizationKey = _parseTokenizationKey(authorization);
+    data.attrs.tokenizationKey = authorization;
+    data.configUrl = apiUrls[parsedTokenizationKey.environment] + '/merchants/' + parsedTokenizationKey.merchantId + '/client_api/v1/configuration';
+  } else {
+    parsedClientToken = JSON.parse(atob(authorization));
+    data.attrs.authorizationFingerprint = parsedClientToken.authorizationFingerprint;
+    data.configUrl = parsedClientToken.configUrl;
+  }
+
+  return data;
+}
+
+module.exports = createAuthorizationData;
+
+},{"../lib/polyfill":22}],16:[function(_dereq_,module,exports){
+'use strict';
+
+module.exports = function (fn) {
+  return function () {
+    // IE9 doesn't support passing arguments to setTimeout so we have to emulate it.
+    var args = arguments;
+
+    setTimeout(function () {
+      fn.apply(null, args);
+    }, 1);
+  };
+};
+
+},{}],17:[function(_dereq_,module,exports){
+'use strict';
+
+function enumerate(values, prefix) {
+  prefix = prefix == null ? '' : prefix;
+
+  return values.reduce(function (enumeration, value) {
+    enumeration[value] = prefix + value;
+    return enumeration;
+  }, {});
+}
+
+module.exports = enumerate;
+
+},{}],18:[function(_dereq_,module,exports){
+'use strict';
+
+var enumerate = _dereq_('./enumerate');
+
+/**
+ * @class
+ * @global
+ * @param {object} options Construction options
+ * @classdesc This class is used to report error conditions, frequently as the first parameter to callbacks throughout the Braintree SDK.
+ * @description <strong>You cannot use this constructor directly. Interact with instances of this class through {@link callback callbacks}.</strong>
+ */
+function BraintreeError(options) {
+  if (!BraintreeError.types.hasOwnProperty(options.type)) {
+    throw new Error(options.type + ' is not a valid type.');
+  }
+
+  if (!options.code) {
+    throw new Error('Error code required.');
+  }
+
+  if (!options.message) {
+    throw new Error('Error message required.');
+  }
+
+  this.name = 'BraintreeError';
+
+  /**
+   * @type {string}
+   * @description A code that corresponds to specific errors.
+   */
+  this.code = options.code;
+
+  /**
+   * @type {string}
+   * @description A short description of the error.
+   */
+  this.message = options.message;
+
+  /**
+   * @type {BraintreeError.types}
+   * @description The type of error.
+   */
+  this.type = options.type;
+
+  /**
+   * @type {object=}
+   * @description Additional information about the error, such as an underlying network error response.
+   */
+  this.details = options.details;
+}
+
+BraintreeError.prototype = Object.create(Error.prototype);
+BraintreeError.prototype.constructor = BraintreeError;
+
+/**
+ * Enum for {@link BraintreeError} types.
+ * @name BraintreeError.types
+ * @enum
+ * @readonly
+ * @memberof BraintreeError
+ * @property {string} CUSTOMER An error caused by the customer.
+ * @property {string} MERCHANT An error that is actionable by the merchant.
+ * @property {string} NETWORK An error due to a network problem.
+ * @property {string} INTERNAL An error caused by Braintree code.
+ * @property {string} UNKNOWN An error where the origin is unknown.
+ */
+BraintreeError.types = enumerate([
+  'CUSTOMER',
+  'MERCHANT',
+  'NETWORK',
+  'INTERNAL',
+  'UNKNOWN'
+]);
+
+module.exports = BraintreeError;
+
+},{"./enumerate":17}],19:[function(_dereq_,module,exports){
+'use strict';
+
+var parser;
+var legalHosts = {
+  'paypal.com': 1,
+  'braintreepayments.com': 1,
+  'braintreegateway.com': 1
+};
+
+/* eslint-enable no-undef,block-scoped-var */
+
+function stripSubdomains(domain) {
+  return domain.split('.').slice(-2).join('.');
+}
+
+function isWhitelistedDomain(url) {
+  var mainDomain;
+
+  url = url.toLowerCase();
+
+  if (!/^https:/.test(url)) {
+    return false;
+  }
+
+  parser = parser || document.createElement('a');
+  parser.href = url;
+  mainDomain = stripSubdomains(parser.hostname);
+
+  return legalHosts.hasOwnProperty(mainDomain);
+}
+
+module.exports = isWhitelistedDomain;
+
+},{}],20:[function(_dereq_,module,exports){
+'use strict';
+
+module.exports = function (value) {
+  return JSON.parse(JSON.stringify(value));
+};
+
+},{}],21:[function(_dereq_,module,exports){
+'use strict';
+
+function once(fn) {
+  var called = false;
+
+  return function () {
+    if (!called) {
+      called = true;
+      fn.apply(null, arguments);
+    }
+  };
+}
+
+module.exports = once;
+
+},{}],22:[function(_dereq_,module,exports){
+(function (global){
+'use strict';
+
+var atobNormalized = typeof global.atob === 'function' ? global.atob : atob;
+
+function atob(base64String) {
+  var a, b, c, b1, b2, b3, b4, i;
+  var base64Matcher = new RegExp('^(?:[A-Za-z0-9+/]{4})*(?:[A-Za-z0-9+/]{2}==|[A-Za-z0-9+/]{3}=|[A-Za-z0-9+/]{4})([=]{1,2})?$');
+  var characters = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=';
+  var result = '';
+
+  if (!base64Matcher.test(base64String)) {
+    throw new Error('Non base64 encoded input passed to window.atob polyfill');
+  }
+
+  i = 0;
+  do {
+    b1 = characters.indexOf(base64String.charAt(i++));
+    b2 = characters.indexOf(base64String.charAt(i++));
+    b3 = characters.indexOf(base64String.charAt(i++));
+    b4 = characters.indexOf(base64String.charAt(i++));
+
+    a = (b1 & 0x3F) << 2 | b2 >> 4 & 0x3;
+    b = (b2 & 0xF) << 4 | b3 >> 2 & 0xF;
+    c = (b3 & 0x3) << 6 | b4 & 0x3F;
+
+    result += String.fromCharCode(a) + (b ? String.fromCharCode(b) : '') + (c ? String.fromCharCode(c) : '');
+  } while (i < base64String.length);
+
+  return result;
+}
+
+module.exports = {
+  atob: atobNormalized,
+  _atob: atob
+};
+
+}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
+},{}],23:[function(_dereq_,module,exports){
+(function (global){
+'use strict';
+
+function _notEmpty(obj) {
+  var key;
+
+  for (key in obj) {
+    if (obj.hasOwnProperty(key)) { return true; }
+  }
+
+  return false;
+}
+
+function _isArray(value) {
+  return value && typeof value === 'object' && typeof value.length === 'number' &&
+    Object.prototype.toString.call(value) === '[object Array]' || false;
+}
+
+function parse(url) {
+  var query, params;
+
+  url = url || global.location.href;
+
+  if (!/\?/.test(url)) {
+    return {};
+  }
+
+  query = url.replace(/#.*$/, '').replace(/^.*\?/, '').split('&');
+
+  params = query.reduce(function (toReturn, keyValue) {
+    var parts = keyValue.split('=');
+    var key = decodeURIComponent(parts[0]);
+    var value = decodeURIComponent(parts[1]);
+
+    toReturn[key] = value;
+    return toReturn;
+  }, {});
+
+  return params;
+}
+
+function stringify(params, namespace) {
+  var k, v, p;
+  var query = [];
+
+  for (p in params) {
+    if (!params.hasOwnProperty(p)) {
+      continue;
+    }
+
+    v = params[p];
+
+    if (namespace) {
+      if (_isArray(params)) {
+        k = namespace + '[]';
+      } else {
+        k = namespace + '[' + p + ']';
+      }
+    } else {
+      k = p;
+    }
+    if (typeof v === 'object') {
+      query.push(stringify(v, k));
+    } else {
+      query.push(encodeURIComponent(k) + '=' + encodeURIComponent(v));
+    }
+  }
+
+  return query.join('&');
+}
+
+function queryify(url, params) {
+  url = url || '';
+
+  if (params != null && typeof params === 'object' && _notEmpty(params)) {
+    url += url.indexOf('?') === -1 ? '?' : '';
+    url += url.indexOf('=') !== -1 ? '&' : '';
+    url += stringify(params);
+  }
+
+  return url;
+}
+
+module.exports = {
+  parse: parse,
+  stringify: stringify,
+  queryify: queryify
+};
+
+}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
+},{}],24:[function(_dereq_,module,exports){
+'use strict';
+
+var BraintreeError = _dereq_('./error');
+var sharedErrors = _dereq_('../errors');
+
+module.exports = function (callback, functionName) {
+  if (typeof callback !== 'function') {
+    throw new BraintreeError({
+      type: sharedErrors.CALLBACK_REQUIRED.type,
+      code: sharedErrors.CALLBACK_REQUIRED.code,
+      message: functionName + ' must include a callback function.'
+    });
+  }
+};
+
+},{"../errors":12,"./error":18}],25:[function(_dereq_,module,exports){
+'use strict';
+
+function uuid() {
+  return 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, function (c) {
+    var r = Math.random() * 16 | 0;
+    var v = c === 'x' ? r : r & 0x3 | 0x8;
+
+    return v.toString(16);
+  });
+}
+
+module.exports = uuid;
+
+},{}]},{},[4])(4)
+});
diff --git a/vendor/assets/javascripts/braintree/3.5.0/data-collector.js b/vendor/assets/javascripts/braintree/3.5.0/data-collector.js
new file mode 100644
index 00000000..7952056b
--- /dev/null
+++ b/vendor/assets/javascripts/braintree/3.5.0/data-collector.js
@@ -0,0 +1,599 @@
+(function(f){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}(g.braintree || (g.braintree = {})).dataCollector = f()}})(function(){var define,module,exports;return (function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(_dereq_,module,exports){
+'use strict';
+
+var BraintreeError = _dereq_('../lib/error');
+
+module.exports = {
+  DATA_COLLECTOR_KOUNT_NOT_ENABLED: {
+    type: BraintreeError.types.MERCHANT,
+    code: 'DATA_COLLECTOR_KOUNT_NOT_ENABLED',
+    message: 'Kount is not enabled for this merchant.'
+  },
+  DATA_COLLECTOR_KOUNT_ERROR: {
+    type: BraintreeError.types.MERCHANT,
+    code: 'DATA_COLLECTOR_KOUNT_ERROR'
+  },
+  DATA_COLLECTOR_PAYPAL_NOT_ENABLED: {
+    type: BraintreeError.types.MERCHANT,
+    code: 'DATA_COLLECTOR_PAYPAL_NOT_ENABLED',
+    message: 'PayPal is not enabled for this merchant.'
+  },
+  DATA_COLLECTOR_REQUIRES_CREATE_OPTIONS: {
+    type: BraintreeError.types.MERCHANT,
+    code: 'DATA_COLLECTOR_REQUIRES_CREATE_OPTIONS',
+    message: 'Data Collector must be created with Kount and/or PayPal.'
+  }
+};
+
+},{"../lib/error":10}],2:[function(_dereq_,module,exports){
+'use strict';
+
+function setup() {
+  return new Fraudnet();
+}
+
+function Fraudnet() {
+  this.sessionId = _generateSessionId();
+  this._beaconId = _generateBeaconId(this.sessionId);
+
+  this._parameterBlock = _createParameterBlock(this.sessionId, this._beaconId);
+  this._thirdPartyBlock = _createThirdPartyBlock();
+}
+
+Fraudnet.prototype.teardown = function () {
+  this._thirdPartyBlock.parentNode.removeChild(this._thirdPartyBlock);
+};
+
+function _generateSessionId() {
+  var i;
+  var id = '';
+
+  for (i = 0; i < 32; i++) {
+    id += Math.floor(Math.random() * 16).toString(16);
+  }
+
+  return id;
+}
+
+function _generateBeaconId(sessionId) {
+  var timestamp = new Date().getTime() / 1000;
+
+  return 'https://b.stats.paypal.com/counter.cgi' +
+    '?i=127.0.0.1' +
+    '&p=' + sessionId +
+    '&t=' + timestamp +
+    '&a=14';
+}
+
+function _createParameterBlock(sessionId, beaconId) {
+  var el = document.body.appendChild(document.createElement('script'));
+
+  el.type = 'application/json';
+  el.setAttribute('fncls', 'fnparams-dede7cc5-15fd-4c75-a9f4-36c430ee3a99');
+  el.text = JSON.stringify({
+    f: sessionId,
+    s: 'BRAINTREE_SIGNIN',
+    b: beaconId
+  });
+
+  return el;
+}
+
+function _createThirdPartyBlock() {
+  var dom, doc;
+  var scriptBaseURL = 'https://www.paypalobjects.com/webstatic/r/fb/';
+  var iframe = document.createElement('iframe');
+
+  iframe.src = 'about:blank';
+  iframe.title = '';
+  iframe.role = 'presentation'; // a11y
+  (iframe.frameElement || iframe).style.cssText = 'width: 0; height: 0; border: 0';
+  document.body.appendChild(iframe);
+
+  try {
+    doc = iframe.contentWindow.document;
+  } catch (e) {
+    dom = document.domain;
+    iframe.src = 'javascript:var d=document.open();d.domain="' + dom + '";void(0);'; // eslint-disable-line
+    doc = iframe.contentWindow.document;
+  }
+
+  doc.open()._l = function () {
+    var js = this.createElement('script');
+
+    if (dom) {
+      this.domain = dom;
+    }
+    js.id = 'js-iframe-async';
+    js.src = scriptBaseURL + 'fb-all-prod.pp.min.js';
+    this.body.appendChild(js);
+  };
+
+  function listener() { doc._l(); }
+
+  if (iframe.addEventListener) {
+    iframe.addEventListener('load', listener, false);
+  } else if (iframe.attachEvent) {
+    iframe.attachEvent('onload', listener);
+  } else {
+    doc.write('<body onload="document._l();">');
+  }
+
+  doc.close();
+
+  return iframe;
+}
+
+module.exports = {
+  setup: setup
+};
+
+},{}],3:[function(_dereq_,module,exports){
+'use strict';
+/* eslint-disable camelcase */
+/** @module braintree-web/data-collector */
+
+var kount = _dereq_('./kount');
+var fraudnet = _dereq_('./fraudnet');
+var BraintreeError = _dereq_('../lib/error');
+var methods = _dereq_('../lib/methods');
+var throwIfNoCallback = _dereq_('../lib/throw-if-no-callback');
+var convertMethodsToError = _dereq_('../lib/convert-methods-to-error');
+var deferred = _dereq_('../lib/deferred');
+var VERSION = "3.5.0";
+var sharedErrors = _dereq_('../errors');
+var errors = _dereq_('./errors');
+
+/**
+ * @class
+ * @global
+ * @name DataCollector
+ * @description <strong>Do not use this constructor directly. Use {@link module:braintree-web/data-collector.create|braintree-web.data-collector.create} instead.</strong>
+ * @classdesc This class is used for advanced fraud integration with PayPal and Kount. Instances of this class have {@link DataCollector#deviceData|deviceData} which is used to correlate user sessions with server transactions.
+ */
+
+/**
+ * @memberof DataCollector
+ * @name deviceData
+ * @type string
+ * @description JSON string to pass with server transactions.
+ * @instance
+ */
+
+/**
+ * @memberof DataCollector
+ * @name teardown
+ * @function
+ * @description Cleanly remove all event handlers and DOM nodes that were added.
+ * @param {callback} [callback] Called once teardown is complete. No data is returned if teardown completes successfully.
+ * @instance
+ * @returns {void}
+ */
+
+/**
+ * @static
+ * @function create
+ * @param {object} options Creation options:
+ * @param {Client} options.client A {@link Client} instance.
+ * @param {boolean} [options.kount] If true, Kount fraud data collection is enabled.
+ * @param {boolean} [options.paypal] If true, PayPal fraud data collection is enabled.
+ * @param {callback} callback The second argument, `data`, is the {@link DataCollector} instance.
+ * @returns {void}
+ */
+function create(options, callback) {
+  var data, kountInstance, fraudnetInstance, result, config, clientVersion;
+  var instances = [];
+
+  throwIfNoCallback(callback, 'create');
+
+  callback = deferred(callback);
+
+  function teardown(cb) {
+    var i;
+
+    for (i = 0; i < instances.length; i++) {
+      instances[i].teardown();
+    }
+
+    convertMethodsToError(result, methods(result));
+
+    if (cb) {
+      cb = deferred(cb);
+      cb();
+    }
+  }
+
+  if (options.client == null) {
+    callback(new BraintreeError({
+      type: sharedErrors.INSTANTIATION_OPTION_REQUIRED.type,
+      code: sharedErrors.INSTANTIATION_OPTION_REQUIRED.code,
+      message: 'options.client is required when instantiating Data Collector.'
+    }));
+    return;
+  }
+
+  config = options.client.getConfiguration();
+  clientVersion = config.analyticsMetadata.sdkVersion;
+
+  if (clientVersion !== VERSION) {
+    callback(new BraintreeError({
+      type: sharedErrors.INCOMPATIBLE_VERSIONS.type,
+      code: sharedErrors.INCOMPATIBLE_VERSIONS.code,
+      message: 'Client (version ' + clientVersion + ') and Data Collector (version ' + VERSION + ') components must be from the same SDK version.'
+    }));
+    return;
+  }
+
+  if (options.kount === true) {
+    if (!config.gatewayConfiguration.kount) {
+      callback(new BraintreeError(errors.DATA_COLLECTOR_KOUNT_NOT_ENABLED));
+      return;
+    }
+
+    try {
+      kountInstance = kount.setup({
+        environment: config.gatewayConfiguration.environment,
+        merchantId: config.gatewayConfiguration.kount.kountMerchantId
+      });
+    } catch (err) {
+      callback(new BraintreeError({
+        type: errors.DATA_COLLECTOR_KOUNT_ERROR.type,
+        code: errors.DATA_COLLECTOR_KOUNT_ERROR.code,
+        message: err.message
+      }));
+      return;
+    }
+
+    data = kountInstance.deviceData;
+    instances.push(kountInstance);
+  } else {
+    data = {};
+  }
+
+  if (options.paypal === true) {
+    if (config.gatewayConfiguration.paypalEnabled !== true) {
+      callback(new BraintreeError(errors.DATA_COLLECTOR_PAYPAL_NOT_ENABLED));
+      return;
+    }
+
+    fraudnetInstance = fraudnet.setup();
+    data.correlation_id = fraudnetInstance.sessionId;
+    instances.push(fraudnetInstance);
+  }
+
+  if (instances.length === 0) {
+    callback(new BraintreeError(errors.DATA_COLLECTOR_REQUIRES_CREATE_OPTIONS));
+    return;
+  }
+
+  result = {
+    deviceData: JSON.stringify(data),
+    teardown: teardown
+  };
+
+  callback(null, result);
+}
+
+module.exports = {
+  create: create,
+  /**
+   * @description The current version of the SDK, i.e. `{@pkg version}`.
+   * @type {string}
+   */
+  VERSION: VERSION
+};
+
+},{"../errors":6,"../lib/convert-methods-to-error":7,"../lib/deferred":8,"../lib/error":10,"../lib/methods":11,"../lib/throw-if-no-callback":12,"./errors":1,"./fraudnet":2,"./kount":4}],4:[function(_dereq_,module,exports){
+'use strict';
+/* eslint-disable camelcase */
+
+var sjcl = _dereq_('./vendor/sjcl');
+
+var QA_URL = 'https://assets.qa.braintreepayments.com/data';
+var IFRAME_ID = 'braintreeDataFrame';
+var environmentUrls = {
+  development: QA_URL,
+  qa: QA_URL,
+  sandbox: 'https://assets.braintreegateway.com/sandbox/data',
+  production: 'https://assets.braintreegateway.com/data'
+};
+
+function setup(o) {
+  var options = o != null ? o : {};
+
+  return new Kount(options);
+}
+
+function Kount(options) {
+  sjcl.random.startCollectors();
+
+  this._currentEnvironment = this._initializeEnvironment(options);
+  this._deviceSessionId = this._generateDeviceSessionId();
+  this.deviceData = this._getDeviceData();
+
+  this._iframe = this._setupIFrame();
+}
+
+Kount.prototype.teardown = function () {
+  sjcl.random.stopCollectors();
+  this._removeIframe();
+};
+
+Kount.prototype._removeIframe = function () {
+  this._iframe.parentNode.removeChild(this._iframe);
+};
+
+Kount.prototype._getDeviceData = function () {
+  return {
+    device_session_id: this._deviceSessionId,
+    fraud_merchant_id: this._currentEnvironment.id
+  };
+};
+
+Kount.prototype._generateDeviceSessionId = function () {
+  var bits, hexString;
+
+  bits = sjcl.random.randomWords(4, 0);
+  hexString = sjcl.codec.hex.fromBits(bits);
+
+  return hexString;
+};
+
+Kount.prototype._setupIFrame = function () {
+  var params;
+  var self = this;
+  var iframe = document.getElementById(IFRAME_ID);
+
+  if (iframe != null) {
+    return iframe;
+  }
+
+  params = '?m=' + this._currentEnvironment.id + '&s=' + this._deviceSessionId;
+
+  iframe = document.createElement('iframe');
+  iframe.width = 1;
+  iframe.id = IFRAME_ID;
+  iframe.height = 1;
+  iframe.frameBorder = 0;
+  iframe.scrolling = 'no';
+
+  document.body.appendChild(iframe);
+  setTimeout(function () {
+    iframe.src = self._currentEnvironment.url + '/logo.htm' + params;
+    iframe.innerHTML = '<img src="' + self._currentEnvironment.url + '/logo.gif' + params + '" />';
+  }, 10);
+
+  return iframe;
+};
+
+Kount.prototype._initializeEnvironment = function (options) {
+  var url = environmentUrls[options.environment];
+
+  if (url == null) {
+    throw new Error(options.environment + ' is not a valid environment for kount.environment');
+  }
+
+  return {
+    url: url,
+    name: options.environment,
+    id: options.merchantId
+  };
+};
+
+module.exports = {
+  setup: setup,
+  Kount: Kount,
+  environmentUrls: environmentUrls
+};
+
+},{"./vendor/sjcl":5}],5:[function(_dereq_,module,exports){
+"use strict";var sjcl={cipher:{},hash:{},keyexchange:{},mode:{},misc:{},codec:{},exception:{corrupt:function(a){this.toString=function(){return"CORRUPT: "+this.message};this.message=a},invalid:function(a){this.toString=function(){return"INVALID: "+this.message};this.message=a},bug:function(a){this.toString=function(){return"BUG: "+this.message};this.message=a},notReady:function(a){this.toString=function(){return"NOT READY: "+this.message};this.message=a}}};
+sjcl.cipher.aes=function(a){this.l[0][0][0]||this.G();var b,c,d,e,f=this.l[0][4],g=this.l[1];b=a.length;var k=1;if(4!==b&&6!==b&&8!==b)throw new sjcl.exception.invalid("invalid aes key size");this.b=[d=a.slice(0),e=[]];for(a=b;a<4*b+28;a++){c=d[a-1];if(0===a%b||8===b&&4===a%b)c=f[c>>>24]<<24^f[c>>16&255]<<16^f[c>>8&255]<<8^f[c&255],0===a%b&&(c=c<<8^c>>>24^k<<24,k=k<<1^283*(k>>7));d[a]=d[a-b]^c}for(b=0;a;b++,a--)c=d[b&3?a:a-4],e[b]=4>=a||4>b?c:g[0][f[c>>>24]]^g[1][f[c>>16&255]]^g[2][f[c>>8&255]]^g[3][f[c&
+255]]};
+sjcl.cipher.aes.prototype={encrypt:function(a){return t(this,a,0)},decrypt:function(a){return t(this,a,1)},l:[[[],[],[],[],[]],[[],[],[],[],[]]],G:function(){var a=this.l[0],b=this.l[1],c=a[4],d=b[4],e,f,g,k=[],l=[],p,n,h,m;for(e=0;0x100>e;e++)l[(k[e]=e<<1^283*(e>>7))^e]=e;for(f=g=0;!c[f];f^=p||1,g=l[g]||1)for(h=g^g<<1^g<<2^g<<3^g<<4,h=h>>8^h&255^99,c[f]=h,d[h]=f,n=k[e=k[p=k[f]]],m=0x1010101*n^0x10001*e^0x101*p^0x1010100*f,n=0x101*k[h]^0x1010100*h,e=0;4>e;e++)a[e][f]=n=n<<24^n>>>8,b[e][h]=m=m<<24^m>>>8;for(e=
+0;5>e;e++)a[e]=a[e].slice(0),b[e]=b[e].slice(0)}};
+function t(a,b,c){if(4!==b.length)throw new sjcl.exception.invalid("invalid aes block size");var d=a.b[c],e=b[0]^d[0],f=b[c?3:1]^d[1],g=b[2]^d[2];b=b[c?1:3]^d[3];var k,l,p,n=d.length/4-2,h,m=4,q=[0,0,0,0];k=a.l[c];a=k[0];var r=k[1],v=k[2],w=k[3],x=k[4];for(h=0;h<n;h++)k=a[e>>>24]^r[f>>16&255]^v[g>>8&255]^w[b&255]^d[m],l=a[f>>>24]^r[g>>16&255]^v[b>>8&255]^w[e&255]^d[m+1],p=a[g>>>24]^r[b>>16&255]^v[e>>8&255]^w[f&255]^d[m+2],b=a[b>>>24]^r[e>>16&255]^v[f>>8&255]^w[g&255]^d[m+3],m+=4,e=k,f=l,g=p;for(h=
+0;4>h;h++)q[c?3&-h:h]=x[e>>>24]<<24^x[f>>16&255]<<16^x[g>>8&255]<<8^x[b&255]^d[m++],k=e,e=f,f=g,g=b,b=k;return q}
+sjcl.bitArray={bitSlice:function(a,b,c){a=sjcl.bitArray.M(a.slice(b/32),32-(b&31)).slice(1);return void 0===c?a:sjcl.bitArray.clamp(a,c-b)},extract:function(a,b,c){var d=Math.floor(-b-c&31);return((b+c-1^b)&-32?a[b/32|0]<<32-d^a[b/32+1|0]>>>d:a[b/32|0]>>>d)&(1<<c)-1},concat:function(a,b){if(0===a.length||0===b.length)return a.concat(b);var c=a[a.length-1],d=sjcl.bitArray.getPartial(c);return 32===d?a.concat(b):sjcl.bitArray.M(b,d,c|0,a.slice(0,a.length-1))},bitLength:function(a){var b=a.length;return 0===
+b?0:32*(b-1)+sjcl.bitArray.getPartial(a[b-1])},clamp:function(a,b){if(32*a.length<b)return a;a=a.slice(0,Math.ceil(b/32));var c=a.length;b=b&31;0<c&&b&&(a[c-1]=sjcl.bitArray.partial(b,a[c-1]&2147483648>>b-1,1));return a},partial:function(a,b,c){return 32===a?b:(c?b|0:b<<32-a)+0x10000000000*a},getPartial:function(a){return Math.round(a/0x10000000000)||32},equal:function(a,b){if(sjcl.bitArray.bitLength(a)!==sjcl.bitArray.bitLength(b))return!1;var c=0,d;for(d=0;d<a.length;d++)c|=a[d]^b[d];return 0===
+c},M:function(a,b,c,d){var e;e=0;for(void 0===d&&(d=[]);32<=b;b-=32)d.push(c),c=0;if(0===b)return d.concat(a);for(e=0;e<a.length;e++)d.push(c|a[e]>>>b),c=a[e]<<32-b;e=a.length?a[a.length-1]:0;a=sjcl.bitArray.getPartial(e);d.push(sjcl.bitArray.partial(b+a&31,32<b+a?c:d.pop(),1));return d},Y:function(a,b){return[a[0]^b[0],a[1]^b[1],a[2]^b[2],a[3]^b[3]]},byteswapM:function(a){var b,c;for(b=0;b<a.length;++b)c=a[b],a[b]=c>>>24|c>>>8&0xff00|(c&0xff00)<<8|c<<24;return a}};
+sjcl.codec.utf8String={fromBits:function(a){var b="",c=sjcl.bitArray.bitLength(a),d,e;for(d=0;d<c/8;d++)0===(d&3)&&(e=a[d/4]),b+=String.fromCharCode(e>>>24),e<<=8;return decodeURIComponent(escape(b))},toBits:function(a){a=unescape(encodeURIComponent(a));var b=[],c,d=0;for(c=0;c<a.length;c++)d=d<<8|a.charCodeAt(c),3===(c&3)&&(b.push(d),d=0);c&3&&b.push(sjcl.bitArray.partial(8*(c&3),d));return b}};
+sjcl.codec.hex={fromBits:function(a){var b="",c;for(c=0;c<a.length;c++)b+=((a[c]|0)+0xf00000000000).toString(16).substr(4);return b.substr(0,sjcl.bitArray.bitLength(a)/4)},toBits:function(a){var b,c=[],d;a=a.replace(/\s|0x/g,"");d=a.length;a=a+"00000000";for(b=0;b<a.length;b+=8)c.push(parseInt(a.substr(b,8),16)^0);return sjcl.bitArray.clamp(c,4*d)}};sjcl.hash.sha256=function(a){this.b[0]||this.G();a?(this.u=a.u.slice(0),this.o=a.o.slice(0),this.h=a.h):this.reset()};sjcl.hash.sha256.hash=function(a){return(new sjcl.hash.sha256).update(a).finalize()};
+sjcl.hash.sha256.prototype={blockSize:512,reset:function(){this.u=this.K.slice(0);this.o=[];this.h=0;return this},update:function(a){"string"===typeof a&&(a=sjcl.codec.utf8String.toBits(a));var b,c=this.o=sjcl.bitArray.concat(this.o,a);b=this.h;a=this.h=b+sjcl.bitArray.bitLength(a);if(0x1fffffffffffff<a)throw new sjcl.exception.invalid("Cannot hash more than 2^53 - 1 bits");if("undefined"!==typeof Uint32Array){var d=new Uint32Array(c),e=0;for(b=512+b-(512+b&0x1ff);b<=a;b+=512)u(this,d.subarray(16*e,
+16*(e+1))),e+=1;c.splice(0,16*e)}else for(b=512+b-(512+b&0x1ff);b<=a;b+=512)u(this,c.splice(0,16));return this},finalize:function(){var a,b=this.o,c=this.u,b=sjcl.bitArray.concat(b,[sjcl.bitArray.partial(1,1)]);for(a=b.length+2;a&15;a++)b.push(0);b.push(Math.floor(this.h/0x100000000));for(b.push(this.h|0);b.length;)u(this,b.splice(0,16));this.reset();return c},K:[],b:[],G:function(){function a(a){return 0x100000000*(a-Math.floor(a))|0}for(var b=0,c=2,d,e;64>b;c++){e=!0;for(d=2;d*d<=c;d++)if(0===c%d){e=
+!1;break}e&&(8>b&&(this.K[b]=a(Math.pow(c,.5))),this.b[b]=a(Math.pow(c,1/3)),b++)}}};
+function u(a,b){var c,d,e,f=a.u,g=a.b,k=f[0],l=f[1],p=f[2],n=f[3],h=f[4],m=f[5],q=f[6],r=f[7];for(c=0;64>c;c++)16>c?d=b[c]:(d=b[c+1&15],e=b[c+14&15],d=b[c&15]=(d>>>7^d>>>18^d>>>3^d<<25^d<<14)+(e>>>17^e>>>19^e>>>10^e<<15^e<<13)+b[c&15]+b[c+9&15]|0),d=d+r+(h>>>6^h>>>11^h>>>25^h<<26^h<<21^h<<7)+(q^h&(m^q))+g[c],r=q,q=m,m=h,h=n+d|0,n=p,p=l,l=k,k=d+(l&p^n&(l^p))+(l>>>2^l>>>13^l>>>22^l<<30^l<<19^l<<10)|0;f[0]=f[0]+k|0;f[1]=f[1]+l|0;f[2]=f[2]+p|0;f[3]=f[3]+n|0;f[4]=f[4]+h|0;f[5]=f[5]+m|0;f[6]=f[6]+q|0;f[7]=
+f[7]+r|0}sjcl.prng=function(a){this.c=[new sjcl.hash.sha256];this.i=[0];this.H=0;this.v={};this.F=0;this.J={};this.L=this.f=this.j=this.T=0;this.b=[0,0,0,0,0,0,0,0];this.g=[0,0,0,0];this.C=void 0;this.D=a;this.s=!1;this.B={progress:{},seeded:{}};this.m=this.S=0;this.w=1;this.A=2;this.O=0x10000;this.I=[0,48,64,96,128,192,0x100,384,512,768,1024];this.P=3E4;this.N=80};
+sjcl.prng.prototype={randomWords:function(a,b){var c=[],d;d=this.isReady(b);var e;if(d===this.m)throw new sjcl.exception.notReady("generator isn't seeded");if(d&this.A){d=!(d&this.w);e=[];var f=0,g;this.L=e[0]=(new Date).valueOf()+this.P;for(g=0;16>g;g++)e.push(0x100000000*Math.random()|0);for(g=0;g<this.c.length&&(e=e.concat(this.c[g].finalize()),f+=this.i[g],this.i[g]=0,d||!(this.H&1<<g));g++);this.H>=1<<this.c.length&&(this.c.push(new sjcl.hash.sha256),this.i.push(0));this.f-=f;f>this.j&&(this.j=
+f);this.H++;this.b=sjcl.hash.sha256.hash(this.b.concat(e));this.C=new sjcl.cipher.aes(this.b);for(d=0;4>d&&(this.g[d]=this.g[d]+1|0,!this.g[d]);d++);}for(d=0;d<a;d+=4)0===(d+1)%this.O&&y(this),e=z(this),c.push(e[0],e[1],e[2],e[3]);y(this);return c.slice(0,a)},setDefaultParanoia:function(a,b){if(0===a&&"Setting paranoia=0 will ruin your security; use it only for testing"!==b)throw new sjcl.exception.invalid("Setting paranoia=0 will ruin your security; use it only for testing");this.D=a},addEntropy:function(a,
+b,c){c=c||"user";var d,e,f=(new Date).valueOf(),g=this.v[c],k=this.isReady(),l=0;d=this.J[c];void 0===d&&(d=this.J[c]=this.T++);void 0===g&&(g=this.v[c]=0);this.v[c]=(this.v[c]+1)%this.c.length;switch(typeof a){case "number":void 0===b&&(b=1);this.c[g].update([d,this.F++,1,b,f,1,a|0]);break;case "object":c=Object.prototype.toString.call(a);if("[object Uint32Array]"===c){e=[];for(c=0;c<a.length;c++)e.push(a[c]);a=e}else for("[object Array]"!==c&&(l=1),c=0;c<a.length&&!l;c++)"number"!==typeof a[c]&&
+(l=1);if(!l){if(void 0===b)for(c=b=0;c<a.length;c++)for(e=a[c];0<e;)b++,e=e>>>1;this.c[g].update([d,this.F++,2,b,f,a.length].concat(a))}break;case "string":void 0===b&&(b=a.length);this.c[g].update([d,this.F++,3,b,f,a.length]);this.c[g].update(a);break;default:l=1}if(l)throw new sjcl.exception.bug("random: addEntropy only supports number, array of numbers or string");this.i[g]+=b;this.f+=b;k===this.m&&(this.isReady()!==this.m&&A("seeded",Math.max(this.j,this.f)),A("progress",this.getProgress()))},
+isReady:function(a){a=this.I[void 0!==a?a:this.D];return this.j&&this.j>=a?this.i[0]>this.N&&(new Date).valueOf()>this.L?this.A|this.w:this.w:this.f>=a?this.A|this.m:this.m},getProgress:function(a){a=this.I[a?a:this.D];return this.j>=a?1:this.f>a?1:this.f/a},startCollectors:function(){if(!this.s){this.a={loadTimeCollector:B(this,this.V),mouseCollector:B(this,this.W),keyboardCollector:B(this,this.U),accelerometerCollector:B(this,this.R),touchCollector:B(this,this.X)};if(window.addEventListener)window.addEventListener("load",
+this.a.loadTimeCollector,!1),window.addEventListener("mousemove",this.a.mouseCollector,!1),window.addEventListener("keypress",this.a.keyboardCollector,!1),window.addEventListener("devicemotion",this.a.accelerometerCollector,!1),window.addEventListener("touchmove",this.a.touchCollector,!1);else if(document.attachEvent)document.attachEvent("onload",this.a.loadTimeCollector),document.attachEvent("onmousemove",this.a.mouseCollector),document.attachEvent("keypress",this.a.keyboardCollector);else throw new sjcl.exception.bug("can't attach event");
+this.s=!0}},stopCollectors:function(){this.s&&(window.removeEventListener?(window.removeEventListener("load",this.a.loadTimeCollector,!1),window.removeEventListener("mousemove",this.a.mouseCollector,!1),window.removeEventListener("keypress",this.a.keyboardCollector,!1),window.removeEventListener("devicemotion",this.a.accelerometerCollector,!1),window.removeEventListener("touchmove",this.a.touchCollector,!1)):document.detachEvent&&(document.detachEvent("onload",this.a.loadTimeCollector),document.detachEvent("onmousemove",
+this.a.mouseCollector),document.detachEvent("keypress",this.a.keyboardCollector)),this.s=!1)},addEventListener:function(a,b){this.B[a][this.S++]=b},removeEventListener:function(a,b){var c,d,e=this.B[a],f=[];for(d in e)e.hasOwnProperty(d)&&e[d]===b&&f.push(d);for(c=0;c<f.length;c++)d=f[c],delete e[d]},U:function(){C(this,1)},W:function(a){var b,c;try{b=a.x||a.clientX||a.offsetX||0,c=a.y||a.clientY||a.offsetY||0}catch(d){c=b=0}0!=b&&0!=c&&this.addEntropy([b,c],2,"mouse");C(this,0)},X:function(a){a=
+a.touches[0]||a.changedTouches[0];this.addEntropy([a.pageX||a.clientX,a.pageY||a.clientY],1,"touch");C(this,0)},V:function(){C(this,2)},R:function(a){a=a.accelerationIncludingGravity.x||a.accelerationIncludingGravity.y||a.accelerationIncludingGravity.z;if(window.orientation){var b=window.orientation;"number"===typeof b&&this.addEntropy(b,1,"accelerometer")}a&&this.addEntropy(a,2,"accelerometer");C(this,0)}};
+function A(a,b){var c,d=sjcl.random.B[a],e=[];for(c in d)d.hasOwnProperty(c)&&e.push(d[c]);for(c=0;c<e.length;c++)e[c](b)}function C(a,b){"undefined"!==typeof window&&window.performance&&"function"===typeof window.performance.now?a.addEntropy(window.performance.now(),b,"loadtime"):a.addEntropy((new Date).valueOf(),b,"loadtime")}function y(a){a.b=z(a).concat(z(a));a.C=new sjcl.cipher.aes(a.b)}function z(a){for(var b=0;4>b&&(a.g[b]=a.g[b]+1|0,!a.g[b]);b++);return a.C.encrypt(a.g)}
+function B(a,b){return function(){b.apply(a,arguments)}}sjcl.random=new sjcl.prng(6);
+a:try{var D,E,F,G;if(G="undefined"!==typeof module&&module.exports){var H;try{H=_dereq_("crypto")}catch(a){H=null}G=E=H}if(G&&E.randomBytes)D=E.randomBytes(128),D=new Uint32Array((new Uint8Array(D)).buffer),sjcl.random.addEntropy(D,1024,"crypto['randomBytes']");else if("undefined"!==typeof window&&"undefined"!==typeof Uint32Array){F=new Uint32Array(32);if(window.crypto&&window.crypto.getRandomValues)window.crypto.getRandomValues(F);else if(window.msCrypto&&window.msCrypto.getRandomValues)window.msCrypto.getRandomValues(F);
+else break a;sjcl.random.addEntropy(F,1024,"crypto['getRandomValues']")}}catch(a){"undefined"!==typeof window&&window.console&&(console.log("There was an error collecting entropy from the browser:"),console.log(a))}"undefined"!==typeof module&&module.exports&&(module.exports=sjcl);"function"===typeof define&&define([],function(){return sjcl});
+
+},{"crypto":undefined}],6:[function(_dereq_,module,exports){
+'use strict';
+
+var BraintreeError = _dereq_('./lib/error');
+
+module.exports = {
+  CALLBACK_REQUIRED: {
+    type: BraintreeError.types.MERCHANT,
+    code: 'CALLBACK_REQUIRED'
+  },
+  INSTANTIATION_OPTION_REQUIRED: {
+    type: BraintreeError.types.MERCHANT,
+    code: 'INSTANTIATION_OPTION_REQUIRED'
+  },
+  INCOMPATIBLE_VERSIONS: {
+    type: BraintreeError.types.MERCHANT,
+    code: 'INCOMPATIBLE_VERSIONS'
+  },
+  METHOD_CALLED_AFTER_TEARDOWN: {
+    type: BraintreeError.types.MERCHANT,
+    code: 'METHOD_CALLED_AFTER_TEARDOWN'
+  },
+  BRAINTREE_API_ACCESS_RESTRICTED: {
+    type: BraintreeError.types.MERCHANT,
+    code: 'BRAINTREE_API_ACCESS_RESTRICTED',
+    message: 'Your access is restricted and cannot use this part of the Braintree API.'
+  }
+};
+
+},{"./lib/error":10}],7:[function(_dereq_,module,exports){
+'use strict';
+
+var BraintreeError = _dereq_('./error');
+var sharedErrors = _dereq_('../errors');
+
+module.exports = function (instance, methodNames) {
+  methodNames.forEach(function (methodName) {
+    instance[methodName] = function () {
+      throw new BraintreeError({
+        type: sharedErrors.METHOD_CALLED_AFTER_TEARDOWN.type,
+        code: sharedErrors.METHOD_CALLED_AFTER_TEARDOWN.code,
+        message: methodName + ' cannot be called after teardown.'
+      });
+    };
+  });
+};
+
+},{"../errors":6,"./error":10}],8:[function(_dereq_,module,exports){
+'use strict';
+
+module.exports = function (fn) {
+  return function () {
+    // IE9 doesn't support passing arguments to setTimeout so we have to emulate it.
+    var args = arguments;
+
+    setTimeout(function () {
+      fn.apply(null, args);
+    }, 1);
+  };
+};
+
+},{}],9:[function(_dereq_,module,exports){
+'use strict';
+
+function enumerate(values, prefix) {
+  prefix = prefix == null ? '' : prefix;
+
+  return values.reduce(function (enumeration, value) {
+    enumeration[value] = prefix + value;
+    return enumeration;
+  }, {});
+}
+
+module.exports = enumerate;
+
+},{}],10:[function(_dereq_,module,exports){
+'use strict';
+
+var enumerate = _dereq_('./enumerate');
+
+/**
+ * @class
+ * @global
+ * @param {object} options Construction options
+ * @classdesc This class is used to report error conditions, frequently as the first parameter to callbacks throughout the Braintree SDK.
+ * @description <strong>You cannot use this constructor directly. Interact with instances of this class through {@link callback callbacks}.</strong>
+ */
+function BraintreeError(options) {
+  if (!BraintreeError.types.hasOwnProperty(options.type)) {
+    throw new Error(options.type + ' is not a valid type.');
+  }
+
+  if (!options.code) {
+    throw new Error('Error code required.');
+  }
+
+  if (!options.message) {
+    throw new Error('Error message required.');
+  }
+
+  this.name = 'BraintreeError';
+
+  /**
+   * @type {string}
+   * @description A code that corresponds to specific errors.
+   */
+  this.code = options.code;
+
+  /**
+   * @type {string}
+   * @description A short description of the error.
+   */
+  this.message = options.message;
+
+  /**
+   * @type {BraintreeError.types}
+   * @description The type of error.
+   */
+  this.type = options.type;
+
+  /**
+   * @type {object=}
+   * @description Additional information about the error, such as an underlying network error response.
+   */
+  this.details = options.details;
+}
+
+BraintreeError.prototype = Object.create(Error.prototype);
+BraintreeError.prototype.constructor = BraintreeError;
+
+/**
+ * Enum for {@link BraintreeError} types.
+ * @name BraintreeError.types
+ * @enum
+ * @readonly
+ * @memberof BraintreeError
+ * @property {string} CUSTOMER An error caused by the customer.
+ * @property {string} MERCHANT An error that is actionable by the merchant.
+ * @property {string} NETWORK An error due to a network problem.
+ * @property {string} INTERNAL An error caused by Braintree code.
+ * @property {string} UNKNOWN An error where the origin is unknown.
+ */
+BraintreeError.types = enumerate([
+  'CUSTOMER',
+  'MERCHANT',
+  'NETWORK',
+  'INTERNAL',
+  'UNKNOWN'
+]);
+
+module.exports = BraintreeError;
+
+},{"./enumerate":9}],11:[function(_dereq_,module,exports){
+'use strict';
+
+module.exports = function (obj) {
+  return Object.keys(obj).filter(function (key) {
+    return typeof obj[key] === 'function';
+  });
+};
+
+},{}],12:[function(_dereq_,module,exports){
+'use strict';
+
+var BraintreeError = _dereq_('./error');
+var sharedErrors = _dereq_('../errors');
+
+module.exports = function (callback, functionName) {
+  if (typeof callback !== 'function') {
+    throw new BraintreeError({
+      type: sharedErrors.CALLBACK_REQUIRED.type,
+      code: sharedErrors.CALLBACK_REQUIRED.code,
+      message: functionName + ' must include a callback function.'
+    });
+  }
+};
+
+},{"../errors":6,"./error":10}]},{},[3])(3)
+});
diff --git a/vendor/assets/javascripts/braintree/3.5.0/paypal.js b/vendor/assets/javascripts/braintree/3.5.0/paypal.js
new file mode 100644
index 00000000..72411df9
--- /dev/null
+++ b/vendor/assets/javascripts/braintree/3.5.0/paypal.js
@@ -0,0 +1,1932 @@
+(function(f){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}(g.braintree || (g.braintree = {})).paypal = f()}})(function(){var define,module,exports;return (function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(_dereq_,module,exports){
+(function (global){
+'use strict';
+(function (root, factory) {
+  if (typeof exports === 'object' && typeof module !== 'undefined') {
+    module.exports = factory(typeof global === 'undefined' ? root : global);
+  } else if (typeof define === 'function' && define.amd) {
+    define([], function () { return factory(root); });
+  } else {
+    root.framebus = factory(root);
+  }
+})(this, function (root) { // eslint-disable-line no-invalid-this
+  var win, framebus;
+  var popups = [];
+  var subscribers = {};
+  var prefix = '/*framebus*/';
+
+  function include(popup) {
+    if (popup == null) { return false; }
+    if (popup.Window == null) { return false; }
+    if (popup.constructor !== popup.Window) { return false; }
+
+    popups.push(popup);
+    return true;
+  }
+
+  function target(origin) {
+    var key;
+    var targetedFramebus = {};
+
+    for (key in framebus) {
+      if (!framebus.hasOwnProperty(key)) { continue; }
+
+      targetedFramebus[key] = framebus[key];
+    }
+
+    targetedFramebus._origin = origin || '*';
+
+    return targetedFramebus;
+  }
+
+  function publish(event) {
+    var payload, args;
+    var origin = _getOrigin(this); // eslint-disable-line no-invalid-this
+
+    if (_isntString(event)) { return false; }
+    if (_isntString(origin)) { return false; }
+
+    args = Array.prototype.slice.call(arguments, 1);
+
+    payload = _packagePayload(event, args, origin);
+    if (payload === false) { return false; }
+
+    _broadcast(win.top, payload, origin);
+
+    return true;
+  }
+
+  function subscribe(event, fn) {
+    var origin = _getOrigin(this); // eslint-disable-line no-invalid-this
+
+    if (_subscriptionArgsInvalid(event, fn, origin)) { return false; }
+
+    subscribers[origin] = subscribers[origin] || {};
+    subscribers[origin][event] = subscribers[origin][event] || [];
+    subscribers[origin][event].push(fn);
+
+    return true;
+  }
+
+  function unsubscribe(event, fn) {
+    var i, subscriberList;
+    var origin = _getOrigin(this); // eslint-disable-line no-invalid-this
+
+    if (_subscriptionArgsInvalid(event, fn, origin)) { return false; }
+
+    subscriberList = subscribers[origin] && subscribers[origin][event];
+    if (!subscriberList) { return false; }
+
+    for (i = 0; i < subscriberList.length; i++) {
+      if (subscriberList[i] === fn) {
+        subscriberList.splice(i, 1);
+        return true;
+      }
+    }
+
+    return false;
+  }
+
+  function _getOrigin(scope) {
+    return scope && scope._origin || '*';
+  }
+
+  function _isntString(string) {
+    return typeof string !== 'string';
+  }
+
+  function _packagePayload(event, args, origin) {
+    var packaged = false;
+    var payload = {
+      event: event,
+      origin: origin
+    };
+    var reply = args[args.length - 1];
+
+    if (typeof reply === 'function') {
+      payload.reply = _subscribeReplier(reply, origin);
+      args = args.slice(0, -1);
+    }
+
+    payload.args = args;
+
+    try {
+      packaged = prefix + JSON.stringify(payload);
+    } catch (e) {
+      throw new Error('Could not stringify event: ' + e.message);
+    }
+    return packaged;
+  }
+
+  function _unpackPayload(e) {
+    var payload, replyOrigin, replySource, replyEvent;
+
+    if (e.data.slice(0, prefix.length) !== prefix) { return false; }
+
+    try {
+      payload = JSON.parse(e.data.slice(prefix.length));
+    } catch (err) {
+      return false;
+    }
+
+    if (payload.reply != null) {
+      replyOrigin = e.origin;
+      replySource = e.source;
+      replyEvent = payload.reply;
+
+      payload.reply = function reply(data) { // eslint-disable-line consistent-return
+        var replyPayload = _packagePayload(replyEvent, [data], replyOrigin);
+
+        if (replyPayload === false) { return false; }
+
+        replySource.postMessage(replyPayload, replyOrigin);
+      };
+
+      payload.args.push(payload.reply);
+    }
+
+    return payload;
+  }
+
+  function _attach(w) {
+    if (win) { return; }
+    win = w || root;
+
+    if (win.addEventListener) {
+      win.addEventListener('message', _onmessage, false);
+    } else if (win.attachEvent) {
+      win.attachEvent('onmessage', _onmessage);
+    } else if (win.onmessage === null) {
+      win.onmessage = _onmessage;
+    } else {
+      win = null;
+    }
+  }
+
+  function _uuid() {
+    return 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, function (c) {
+      var r = Math.random() * 16 | 0;
+      var v = c === 'x' ? r : r & 0x3 | 0x8;
+
+      return v.toString(16);
+    });
+  }
+
+  function _onmessage(e) {
+    var payload;
+
+    if (_isntString(e.data)) { return; }
+
+    payload = _unpackPayload(e);
+    if (!payload) { return; }
+
+    _dispatch('*', payload.event, payload.args, e);
+    _dispatch(e.origin, payload.event, payload.args, e);
+    _broadcastPopups(e.data, payload.origin, e.source);
+  }
+
+  function _dispatch(origin, event, args, e) {
+    var i;
+
+    if (!subscribers[origin]) { return; }
+    if (!subscribers[origin][event]) { return; }
+
+    for (i = 0; i < subscribers[origin][event].length; i++) {
+      subscribers[origin][event][i].apply(e, args);
+    }
+  }
+
+  function _hasOpener(frame) {
+    if (frame.top !== frame) { return false; }
+    if (frame.opener == null) { return false; }
+    if (frame.opener === frame) { return false; }
+    if (frame.opener.closed === true) { return false; }
+
+    return true;
+  }
+
+  function _broadcast(frame, payload, origin) {
+    var i;
+
+    try {
+      frame.postMessage(payload, origin);
+
+      if (_hasOpener(frame)) {
+        _broadcast(frame.opener.top, payload, origin);
+      }
+
+      for (i = 0; i < frame.frames.length; i++) {
+        _broadcast(frame.frames[i], payload, origin);
+      }
+    } catch (_) { /* ignored */ }
+  }
+
+  function _broadcastPopups(payload, origin, source) {
+    var i, popup;
+
+    for (i = popups.length - 1; i >= 0; i--) {
+      popup = popups[i];
+
+      if (popup.closed === true) {
+        popups = popups.slice(i, 1);
+      } else if (source !== popup) {
+        _broadcast(popup.top, payload, origin);
+      }
+    }
+  }
+
+  function _subscribeReplier(fn, origin) {
+    var uuid = _uuid();
+
+    function replier(d, o) {
+      fn(d, o);
+      framebus.target(origin).unsubscribe(uuid, replier);
+    }
+
+    framebus.target(origin).subscribe(uuid, replier);
+    return uuid;
+  }
+
+  function _subscriptionArgsInvalid(event, fn, origin) {
+    if (_isntString(event)) { return true; }
+    if (typeof fn !== 'function') { return true; }
+    if (_isntString(origin)) { return true; }
+
+    return false;
+  }
+
+  _attach();
+
+  framebus = {
+    target: target,
+    include: include,
+    publish: publish,
+    pub: publish,
+    trigger: publish,
+    emit: publish,
+    subscribe: subscribe,
+    sub: subscribe,
+    on: subscribe,
+    unsubscribe: unsubscribe,
+    unsub: unsubscribe,
+    off: unsubscribe
+  };
+
+  return framebus;
+});
+
+}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
+},{}],2:[function(_dereq_,module,exports){
+'use strict';
+
+var setAttributes = _dereq_('./lib/set-attributes');
+var defaultAttributes = _dereq_('./lib/default-attributes');
+var assign = _dereq_('./lib/assign');
+
+module.exports = function createFrame(options) {
+  var iframe = document.createElement('iframe');
+  var config = assign({}, defaultAttributes, options);
+
+  if (config.style && typeof config.style !== 'string') {
+    assign(iframe.style, config.style);
+    delete config.style;
+  }
+
+  setAttributes(iframe, config);
+
+  if (!iframe.getAttribute('id')) {
+    iframe.id = iframe.name;
+  }
+
+  return iframe;
+};
+
+},{"./lib/assign":3,"./lib/default-attributes":4,"./lib/set-attributes":5}],3:[function(_dereq_,module,exports){
+'use strict';
+
+module.exports = function assign(target) {
+  var objs = Array.prototype.slice.call(arguments, 1);
+
+  objs.forEach(function (obj) {
+    if (typeof obj !== 'object') { return; }
+
+    Object.keys(obj).forEach(function (key) {
+      target[key] = obj[key];
+    });
+  });
+
+  return target;
+}
+
+},{}],4:[function(_dereq_,module,exports){
+module.exports={
+  "src": "about:blank",
+  "frameBorder": 0,
+  "allowtransparency": true,
+  "scrolling": "no"
+}
+
+},{}],5:[function(_dereq_,module,exports){
+'use strict';
+
+module.exports = function setAttributes(element, attributes) {
+  var value;
+
+  for (var key in attributes) {
+    if (attributes.hasOwnProperty(key)) {
+      value = attributes[key];
+
+      if (value == null) {
+        element.removeAttribute(key);
+      } else {
+        element.setAttribute(key, value);
+      }
+    }
+  }
+};
+
+},{}],6:[function(_dereq_,module,exports){
+'use strict';
+
+var BraintreeError = _dereq_('./lib/error');
+
+module.exports = {
+  CALLBACK_REQUIRED: {
+    type: BraintreeError.types.MERCHANT,
+    code: 'CALLBACK_REQUIRED'
+  },
+  INSTANTIATION_OPTION_REQUIRED: {
+    type: BraintreeError.types.MERCHANT,
+    code: 'INSTANTIATION_OPTION_REQUIRED'
+  },
+  INCOMPATIBLE_VERSIONS: {
+    type: BraintreeError.types.MERCHANT,
+    code: 'INCOMPATIBLE_VERSIONS'
+  },
+  METHOD_CALLED_AFTER_TEARDOWN: {
+    type: BraintreeError.types.MERCHANT,
+    code: 'METHOD_CALLED_AFTER_TEARDOWN'
+  },
+  BRAINTREE_API_ACCESS_RESTRICTED: {
+    type: BraintreeError.types.MERCHANT,
+    code: 'BRAINTREE_API_ACCESS_RESTRICTED',
+    message: 'Your access is restricted and cannot use this part of the Braintree API.'
+  }
+};
+
+},{"./lib/error":18}],7:[function(_dereq_,module,exports){
+'use strict';
+
+var createAuthorizationData = _dereq_('./create-authorization-data');
+var jsonClone = _dereq_('./json-clone');
+var constants = _dereq_('./constants');
+
+function addMetadata(configuration, data) {
+  var key;
+  var attrs = data ? jsonClone(data) : {};
+  var authAttrs = createAuthorizationData(configuration.authorization).attrs;
+  var _meta = jsonClone(configuration.analyticsMetadata);
+
+  attrs.braintreeLibraryVersion = constants.BRAINTREE_LIBRARY_VERSION;
+
+  for (key in attrs._meta) {
+    if (attrs._meta.hasOwnProperty(key)) {
+      _meta[key] = attrs._meta[key];
+    }
+  }
+
+  attrs._meta = _meta;
+
+  if (authAttrs.tokenizationKey) {
+    attrs.tokenizationKey = authAttrs.tokenizationKey;
+  } else {
+    attrs.authorizationFingerprint = authAttrs.authorizationFingerprint;
+  }
+
+  return attrs;
+}
+
+module.exports = addMetadata;
+
+},{"./constants":13,"./create-authorization-data":15,"./json-clone":29}],8:[function(_dereq_,module,exports){
+'use strict';
+
+var constants = _dereq_('./constants');
+var addMetadata = _dereq_('./add-metadata');
+
+function _millisToSeconds(millis) {
+  return Math.floor(millis / 1000);
+}
+
+function sendAnalyticsEvent(client, kind, callback) {
+  var configuration = client.getConfiguration();
+  var request = client._request;
+  var timestamp = _millisToSeconds(Date.now());
+  var url = configuration.gatewayConfiguration.analytics.url;
+  var data = {
+    analytics: [{kind: kind, timestamp: timestamp}]
+  };
+
+  request({
+    url: url,
+    method: 'post',
+    data: addMetadata(configuration, data),
+    timeout: constants.ANALYTICS_REQUEST_TIMEOUT_MS
+  }, callback);
+}
+
+module.exports = {
+  sendEvent: sendAnalyticsEvent
+};
+
+},{"./add-metadata":7,"./constants":13}],9:[function(_dereq_,module,exports){
+(function (global){
+'use strict';
+
+function isOperaMini(ua) {
+  ua = ua || global.navigator.userAgent;
+  return ua.indexOf('Opera Mini') > -1;
+}
+
+function isAndroidFirefox(ua) {
+  ua = ua || global.navigator.userAgent;
+  return isAndroid(ua) && ua.indexOf('Firefox') > -1;
+}
+
+function getIEVersion(ua) {
+  ua = ua || global.navigator.userAgent;
+
+  if (ua.indexOf('MSIE') !== -1) {
+    return parseInt(ua.replace(/.*MSIE ([0-9]+)\..*/, '$1'), 10);
+  } else if (/Trident.*rv:11/.test(ua)) {
+    return 11;
+  }
+
+  return null;
+}
+
+function isHTTPS(protocol) {
+  protocol = protocol || global.location.protocol;
+  return protocol === 'https:';
+}
+
+function isIos(ua) {
+  ua = ua || global.navigator.userAgent;
+  return /iPhone|iPod|iPad/.test(ua);
+}
+
+function isAndroid(ua) {
+  ua = ua || global.navigator.userAgent;
+  return /Android/.test(ua);
+}
+
+function supportsPopups(ua) {
+  ua = ua || global.navigator.userAgent;
+  return !(isIosWebview(ua) || isAndroidWebview(ua) || isOperaMini(ua));
+}
+
+// The Google Search iOS app is technically a webview and doesn't support popups.
+function isGoogleSearchApp(ua) {
+  return /\bGSA\b/.test(ua);
+}
+
+function isIosWebview(ua) {
+  ua = ua || global.navigator.userAgent;
+  if (isIos(ua)) {
+    if (isGoogleSearchApp(ua)) {
+      return true;
+    }
+    return /.+AppleWebKit(?!.*Safari)/.test(ua);
+  }
+  return false;
+}
+
+function isAndroidWebview(ua) {
+  var androidWebviewRegExp = /Version\/[\d\.]+/;
+
+  ua = ua || global.navigator.userAgent;
+  if (isAndroid(ua)) {
+    return androidWebviewRegExp.test(ua) && !isOperaMini(ua);
+  }
+  return false;
+}
+
+module.exports = {
+  isOperaMini: isOperaMini,
+  isAndroidFirefox: isAndroidFirefox,
+  getIEVersion: getIEVersion,
+  isHTTPS: isHTTPS,
+  isIos: isIos,
+  isAndroid: isAndroid,
+  supportsPopups: supportsPopups
+};
+
+}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
+},{}],10:[function(_dereq_,module,exports){
+'use strict';
+
+var isWhitelistedDomain = _dereq_('../is-whitelisted-domain');
+
+function checkOrigin(postMessageOrigin, merchantUrl) {
+  var merchantOrigin, merchantHost;
+  var a = document.createElement('a');
+
+  a.href = merchantUrl;
+
+  if (a.protocol === 'https:') {
+    merchantHost = a.host.replace(/:443$/, '');
+  } else if (a.protocol === 'http:') {
+    merchantHost = a.host.replace(/:80$/, '');
+  } else {
+    merchantHost = a.host;
+  }
+
+  merchantOrigin = a.protocol + '//' + merchantHost;
+
+  if (merchantOrigin === postMessageOrigin) { return true; }
+
+  a.href = postMessageOrigin;
+
+  return isWhitelistedDomain(postMessageOrigin);
+}
+
+module.exports = {
+  checkOrigin: checkOrigin
+};
+
+},{"../is-whitelisted-domain":28}],11:[function(_dereq_,module,exports){
+'use strict';
+
+var enumerate = _dereq_('../enumerate');
+
+module.exports = enumerate([
+  'CONFIGURATION_REQUEST'
+], 'bus:');
+
+},{"../enumerate":17}],12:[function(_dereq_,module,exports){
+'use strict';
+
+var bus = _dereq_('framebus');
+var events = _dereq_('./events');
+var checkOrigin = _dereq_('./check-origin').checkOrigin;
+var BraintreeError = _dereq_('../error');
+
+function BraintreeBus(options) {
+  options = options || {};
+
+  this.channel = options.channel;
+  if (!this.channel) {
+    throw new BraintreeError({
+      type: BraintreeError.types.INTERNAL,
+      code: 'MISSING_CHANNEL_ID',
+      message: 'Channel ID must be specified.'
+    });
+  }
+
+  this.merchantUrl = options.merchantUrl;
+
+  this._isDestroyed = false;
+  this._isVerbose = false;
+
+  this._listeners = [];
+
+  this._log('new bus on channel ' + this.channel, [location.href]);
+}
+
+BraintreeBus.prototype.on = function (eventName, originalHandler) {
+  var namespacedEvent, args;
+  var handler = originalHandler;
+  var self = this;
+
+  if (this._isDestroyed) { return; }
+
+  if (this.merchantUrl) {
+    handler = function () {
+      /* eslint-disable no-invalid-this */
+      if (checkOrigin(this.origin, self.merchantUrl)) {
+        originalHandler.apply(this, arguments);
+      }
+      /* eslint-enable no-invalid-this */
+    };
+  }
+
+  namespacedEvent = this._namespaceEvent(eventName);
+  args = Array.prototype.slice.call(arguments);
+  args[0] = namespacedEvent;
+  args[1] = handler;
+
+  this._log('on', args);
+  bus.on.apply(bus, args);
+
+  this._listeners.push({
+    eventName: eventName,
+    handler: handler,
+    originalHandler: originalHandler
+  });
+};
+
+BraintreeBus.prototype.emit = function (eventName) {
+  var args;
+
+  if (this._isDestroyed) { return; }
+
+  args = Array.prototype.slice.call(arguments);
+  args[0] = this._namespaceEvent(eventName);
+
+  this._log('emit', args);
+  bus.emit.apply(bus, args);
+};
+
+BraintreeBus.prototype._offDirect = function (eventName) {
+  var args = Array.prototype.slice.call(arguments);
+
+  if (this._isDestroyed) { return; }
+
+  args[0] = this._namespaceEvent(eventName);
+
+  this._log('off', args);
+  bus.off.apply(bus, args);
+};
+
+BraintreeBus.prototype.off = function (eventName, originalHandler) {
+  var i, listener;
+  var handler = originalHandler;
+
+  if (this._isDestroyed) { return; }
+
+  if (this.merchantUrl) {
+    for (i = 0; i < this._listeners.length; i++) {
+      listener = this._listeners[i];
+
+      if (listener.originalHandler === originalHandler) {
+        handler = listener.handler;
+      }
+    }
+  }
+
+  this._offDirect(eventName, handler);
+};
+
+BraintreeBus.prototype._namespaceEvent = function (eventName) {
+  return ['braintree', this.channel, eventName].join(':');
+};
+
+BraintreeBus.prototype.teardown = function () {
+  var listener, i;
+
+  for (i = 0; i < this._listeners.length; i++) {
+    listener = this._listeners[i];
+    this._offDirect(listener.eventName, listener.handler);
+  }
+
+  this._listeners.length = 0;
+
+  this._isDestroyed = true;
+};
+
+BraintreeBus.prototype._log = function (functionName, args) {
+  if (this._isVerbose) {
+    console.log(functionName, args); // eslint-disable-line no-console
+  }
+};
+
+BraintreeBus.events = events;
+
+module.exports = BraintreeBus;
+
+},{"../error":18,"./check-origin":10,"./events":11,"framebus":1}],13:[function(_dereq_,module,exports){
+'use strict';
+
+var VERSION = "3.5.0";
+var PLATFORM = 'web';
+
+module.exports = {
+  ANALYTICS_REQUEST_TIMEOUT_MS: 2000,
+  INTEGRATION_TIMEOUT_MS: 60000,
+  VERSION: VERSION,
+  INTEGRATION: 'custom',
+  SOURCE: 'client',
+  PLATFORM: PLATFORM,
+  BRAINTREE_LIBRARY_VERSION: 'braintree/' + PLATFORM + '/' + VERSION
+};
+
+},{}],14:[function(_dereq_,module,exports){
+'use strict';
+
+var BraintreeError = _dereq_('./error');
+var sharedErrors = _dereq_('../errors');
+
+module.exports = function (instance, methodNames) {
+  methodNames.forEach(function (methodName) {
+    instance[methodName] = function () {
+      throw new BraintreeError({
+        type: sharedErrors.METHOD_CALLED_AFTER_TEARDOWN.type,
+        code: sharedErrors.METHOD_CALLED_AFTER_TEARDOWN.code,
+        message: methodName + ' cannot be called after teardown.'
+      });
+    };
+  });
+};
+
+},{"../errors":6,"./error":18}],15:[function(_dereq_,module,exports){
+'use strict';
+
+var atob = _dereq_('../lib/polyfill').atob;
+
+var apiUrls = {
+  production: 'https://api.braintreegateway.com:443',
+  sandbox: 'https://api.sandbox.braintreegateway.com:443'
+};
+
+/* eslint-enable no-undef,block-scoped-var */
+
+function _isTokenizationKey(str) {
+  return /^[a-zA-Z0-9]+_[a-zA-Z0-9]+_[a-zA-Z0-9_]+$/.test(str);
+}
+
+function _parseTokenizationKey(tokenizationKey) {
+  var tokens = tokenizationKey.split('_');
+  var environment = tokens[0];
+  var merchantId = tokens.slice(2).join('_');
+
+  return {
+    merchantId: merchantId,
+    environment: environment
+  };
+}
+
+function createAuthorizationData(authorization) {
+  var parsedClientToken, parsedTokenizationKey;
+  var data = {
+    attrs: {},
+    configUrl: ''
+  };
+
+  if (_isTokenizationKey(authorization)) {
+    parsedTokenizationKey = _parseTokenizationKey(authorization);
+    data.attrs.tokenizationKey = authorization;
+    data.configUrl = apiUrls[parsedTokenizationKey.environment] + '/merchants/' + parsedTokenizationKey.merchantId + '/client_api/v1/configuration';
+  } else {
+    parsedClientToken = JSON.parse(atob(authorization));
+    data.attrs.authorizationFingerprint = parsedClientToken.authorizationFingerprint;
+    data.configUrl = parsedClientToken.configUrl;
+  }
+
+  return data;
+}
+
+module.exports = createAuthorizationData;
+
+},{"../lib/polyfill":32}],16:[function(_dereq_,module,exports){
+'use strict';
+
+module.exports = function (fn) {
+  return function () {
+    // IE9 doesn't support passing arguments to setTimeout so we have to emulate it.
+    var args = arguments;
+
+    setTimeout(function () {
+      fn.apply(null, args);
+    }, 1);
+  };
+};
+
+},{}],17:[function(_dereq_,module,exports){
+'use strict';
+
+function enumerate(values, prefix) {
+  prefix = prefix == null ? '' : prefix;
+
+  return values.reduce(function (enumeration, value) {
+    enumeration[value] = prefix + value;
+    return enumeration;
+  }, {});
+}
+
+module.exports = enumerate;
+
+},{}],18:[function(_dereq_,module,exports){
+'use strict';
+
+var enumerate = _dereq_('./enumerate');
+
+/**
+ * @class
+ * @global
+ * @param {object} options Construction options
+ * @classdesc This class is used to report error conditions, frequently as the first parameter to callbacks throughout the Braintree SDK.
+ * @description <strong>You cannot use this constructor directly. Interact with instances of this class through {@link callback callbacks}.</strong>
+ */
+function BraintreeError(options) {
+  if (!BraintreeError.types.hasOwnProperty(options.type)) {
+    throw new Error(options.type + ' is not a valid type.');
+  }
+
+  if (!options.code) {
+    throw new Error('Error code required.');
+  }
+
+  if (!options.message) {
+    throw new Error('Error message required.');
+  }
+
+  this.name = 'BraintreeError';
+
+  /**
+   * @type {string}
+   * @description A code that corresponds to specific errors.
+   */
+  this.code = options.code;
+
+  /**
+   * @type {string}
+   * @description A short description of the error.
+   */
+  this.message = options.message;
+
+  /**
+   * @type {BraintreeError.types}
+   * @description The type of error.
+   */
+  this.type = options.type;
+
+  /**
+   * @type {object=}
+   * @description Additional information about the error, such as an underlying network error response.
+   */
+  this.details = options.details;
+}
+
+BraintreeError.prototype = Object.create(Error.prototype);
+BraintreeError.prototype.constructor = BraintreeError;
+
+/**
+ * Enum for {@link BraintreeError} types.
+ * @name BraintreeError.types
+ * @enum
+ * @readonly
+ * @memberof BraintreeError
+ * @property {string} CUSTOMER An error caused by the customer.
+ * @property {string} MERCHANT An error that is actionable by the merchant.
+ * @property {string} NETWORK An error due to a network problem.
+ * @property {string} INTERNAL An error caused by Braintree code.
+ * @property {string} UNKNOWN An error where the origin is unknown.
+ */
+BraintreeError.types = enumerate([
+  'CUSTOMER',
+  'MERCHANT',
+  'NETWORK',
+  'INTERNAL',
+  'UNKNOWN'
+]);
+
+module.exports = BraintreeError;
+
+},{"./enumerate":17}],19:[function(_dereq_,module,exports){
+'use strict';
+
+var popup = _dereq_('./popup');
+var Bus = _dereq_('../../bus');
+var events = _dereq_('../shared/events');
+var errors = _dereq_('../shared/errors');
+var constants = _dereq_('../shared/constants');
+var uuid = _dereq_('../../uuid');
+var iFramer = _dereq_('iframer');
+var BraintreeError = _dereq_('../../error');
+
+var REQUIRED_CONFIG_KEYS = [
+  'name',
+  'dispatchFrameUrl',
+  'openFrameUrl'
+];
+
+function _validateFrameConfiguration(options) {
+  if (!options) {
+    throw new Error('Valid configuration is required');
+  }
+
+  REQUIRED_CONFIG_KEYS.forEach(function (key) {
+    if (!options.hasOwnProperty(key)) {
+      throw new Error('A valid frame ' + key + ' must be provided');
+    }
+  });
+
+  if (!(/^[\w_]+$/.test(options.name))) { // eslint-disable-line
+    throw new Error('A valid frame name must be provided');
+  }
+}
+
+function FrameService(options) {
+  _validateFrameConfiguration(options);
+
+  this._serviceId = uuid().replace(/-/g, '');
+
+  this._options = {
+    name: options.name + '_' + this._serviceId,
+    dispatchFrameUrl: options.dispatchFrameUrl,
+    openFrameUrl: options.openFrameUrl
+  };
+  this._state = options.state;
+
+  this._bus = new Bus({channel: this._serviceId});
+  this._setBusEvents();
+}
+
+FrameService.prototype.initialize = function (callback) {
+  var dispatchFrameReadyHandler = function () {
+    callback();
+    this._bus.off(events.DISPATCH_FRAME_READY, dispatchFrameReadyHandler);
+  }.bind(this);
+
+  this._bus.on(events.DISPATCH_FRAME_READY, dispatchFrameReadyHandler);
+  this._writeDispatchFrame();
+};
+
+FrameService.prototype._writeDispatchFrame = function () {
+  var frameName = constants.DISPATCH_FRAME_NAME + '_' + this._serviceId;
+  var frameSrc = this._options.dispatchFrameUrl;
+
+  this._dispatchFrame = iFramer({
+    name: frameName,
+    src: frameSrc,
+    'class': constants.DISPATCH_FRAME_CLASS,
+    height: 0,
+    width: 0,
+    style: {
+      position: 'absolute',
+      left: '-9999px'
+    }
+  });
+
+  document.body.appendChild(this._dispatchFrame);
+};
+
+FrameService.prototype._setBusEvents = function () {
+  this._bus.on(events.DISPATCH_FRAME_REPORT, function (res) {
+    this.close();
+
+    if (this._onCompleteCallback) {
+      this._onCompleteCallback.call(null, res.err, res.payload);
+    }
+
+    this._onCompleteCallback = null;
+  }.bind(this));
+
+  this._bus.on(Bus.events.CONFIGURATION_REQUEST, function (reply) {
+    reply(this._state);
+  }.bind(this));
+};
+
+FrameService.prototype.open = function (callback) {
+  this._onCompleteCallback = callback;
+
+  this._frame = popup.open(this._options);
+  this._pollForPopupClose();
+};
+
+FrameService.prototype.redirect = function (url) {
+  if (this._frame && !this.isFrameClosed()) {
+    this._frame.location.href = url;
+  }
+};
+
+FrameService.prototype.close = function () {
+  if (!this.isFrameClosed()) {
+    this._frame.close();
+  }
+};
+
+FrameService.prototype.focus = function () {
+  if (!this.isFrameClosed()) {
+    this._frame.focus();
+  }
+};
+
+FrameService.prototype.teardown = function () {
+  this.close();
+  this._dispatchFrame.parentNode.removeChild(this._dispatchFrame);
+  this._dispatchFrame = null;
+  this._cleanupFrame();
+};
+
+FrameService.prototype.isFrameClosed = function () {
+  return this._frame == null || this._frame.closed;
+};
+
+FrameService.prototype._cleanupFrame = function () {
+  this._frame = null;
+  clearInterval(this._popupInterval);
+  this._popupInterval = null;
+};
+
+FrameService.prototype._pollForPopupClose = function () {
+  this._popupInterval = setInterval(function () {
+    if (this.isFrameClosed()) {
+      this._cleanupFrame();
+      if (this._onCompleteCallback) {
+        this._onCompleteCallback(new BraintreeError(errors.FRAME_SERVICE_FRAME_CLOSED));
+      }
+    }
+  }.bind(this), constants.POPUP_POLL_INTERVAL);
+
+  return this._popupInterval;
+};
+
+module.exports = FrameService;
+
+},{"../../bus":12,"../../error":18,"../../uuid":35,"../shared/constants":25,"../shared/errors":26,"../shared/events":27,"./popup":22,"iframer":2}],20:[function(_dereq_,module,exports){
+'use strict';
+
+var FrameService = _dereq_('./frame-service');
+
+module.exports = {
+  create: function createFrameService(options, callback) {
+    var frameService = new FrameService(options);
+
+    frameService.initialize(function () {
+      callback(frameService);
+    });
+  }
+};
+
+},{"./frame-service":19}],21:[function(_dereq_,module,exports){
+'use strict';
+
+var constants = _dereq_('../../shared/constants');
+var position = _dereq_('./position');
+
+module.exports = function composePopupOptions() {
+  return [
+    constants.POPUP_BASE_OPTIONS,
+    'top=' + position.top(),
+    'left=' + position.left()
+  ].join(',');
+};
+
+},{"../../shared/constants":25,"./position":24}],22:[function(_dereq_,module,exports){
+'use strict';
+
+module.exports = {
+  open: _dereq_('./open')
+};
+
+},{"./open":23}],23:[function(_dereq_,module,exports){
+(function (global){
+'use strict';
+
+var composeOptions = _dereq_('./compose-options');
+
+module.exports = function openPopup(options) {
+  return global.open(
+    options.openFrameUrl,
+    options.name,
+    composeOptions()
+  );
+};
+
+}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
+},{"./compose-options":21}],24:[function(_dereq_,module,exports){
+(function (global){
+'use strict';
+
+var constants = _dereq_('../../shared/constants');
+
+function top() {
+  var windowHeight = global.outerHeight || document.documentElement.clientHeight;
+  var windowTop = global.screenY == null ? global.screenTop : global.screenY;
+
+  return center(windowHeight, constants.POPUP_HEIGHT, windowTop);
+}
+
+function left() {
+  var windowWidth = global.outerWidth || document.documentElement.clientWidth;
+  var windowLeft = global.screenX == null ? global.screenLeft : global.screenX;
+
+  return center(windowWidth, constants.POPUP_WIDTH, windowLeft);
+}
+
+function center(windowMetric, popupMetric, offset) {
+  return (windowMetric - popupMetric) / 2 + offset;
+}
+
+module.exports = {
+  top: top,
+  left: left,
+  center: center
+};
+
+}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
+},{"../../shared/constants":25}],25:[function(_dereq_,module,exports){
+'use strict';
+
+var POPUP_HEIGHT = 535;
+var POPUP_WIDTH = 450;
+
+module.exports = {
+  DISPATCH_FRAME_NAME: 'dispatch',
+  DISPATCH_FRAME_CLASS: 'braintree-dispatch-frame',
+  POPUP_BASE_OPTIONS: 'resizable,scrollbars,height=' + POPUP_HEIGHT + ',width=' + POPUP_WIDTH,
+  POPUP_WIDTH: POPUP_WIDTH,
+  POPUP_HEIGHT: POPUP_HEIGHT,
+  POPUP_POLL_INTERVAL: 100,
+  POPUP_CLOSE_TIMEOUT: 100
+};
+
+},{}],26:[function(_dereq_,module,exports){
+'use strict';
+
+var BraintreeError = _dereq_('../../error');
+
+module.exports = {
+  FRAME_SERVICE_FRAME_CLOSED: {
+    type: BraintreeError.types.INTERNAL,
+    code: 'FRAME_SERVICE_FRAME_CLOSED',
+    message: 'Frame closed before tokenization could occur.'
+  }
+};
+
+},{"../../error":18}],27:[function(_dereq_,module,exports){
+'use strict';
+
+var enumerate = _dereq_('../../enumerate');
+
+module.exports = enumerate([
+  'DISPATCH_FRAME_READY',
+  'DISPATCH_FRAME_REPORT'
+], 'frameService:');
+
+},{"../../enumerate":17}],28:[function(_dereq_,module,exports){
+'use strict';
+
+var parser;
+var legalHosts = {
+  'paypal.com': 1,
+  'braintreepayments.com': 1,
+  'braintreegateway.com': 1
+};
+
+/* eslint-enable no-undef,block-scoped-var */
+
+function stripSubdomains(domain) {
+  return domain.split('.').slice(-2).join('.');
+}
+
+function isWhitelistedDomain(url) {
+  var mainDomain;
+
+  url = url.toLowerCase();
+
+  if (!/^https:/.test(url)) {
+    return false;
+  }
+
+  parser = parser || document.createElement('a');
+  parser.href = url;
+  mainDomain = stripSubdomains(parser.hostname);
+
+  return legalHosts.hasOwnProperty(mainDomain);
+}
+
+module.exports = isWhitelistedDomain;
+
+},{}],29:[function(_dereq_,module,exports){
+'use strict';
+
+module.exports = function (value) {
+  return JSON.parse(JSON.stringify(value));
+};
+
+},{}],30:[function(_dereq_,module,exports){
+'use strict';
+
+module.exports = function (obj) {
+  return Object.keys(obj).filter(function (key) {
+    return typeof obj[key] === 'function';
+  });
+};
+
+},{}],31:[function(_dereq_,module,exports){
+'use strict';
+
+function once(fn) {
+  var called = false;
+
+  return function () {
+    if (!called) {
+      called = true;
+      fn.apply(null, arguments);
+    }
+  };
+}
+
+module.exports = once;
+
+},{}],32:[function(_dereq_,module,exports){
+(function (global){
+'use strict';
+
+var atobNormalized = typeof global.atob === 'function' ? global.atob : atob;
+
+function atob(base64String) {
+  var a, b, c, b1, b2, b3, b4, i;
+  var base64Matcher = new RegExp('^(?:[A-Za-z0-9+/]{4})*(?:[A-Za-z0-9+/]{2}==|[A-Za-z0-9+/]{3}=|[A-Za-z0-9+/]{4})([=]{1,2})?$');
+  var characters = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=';
+  var result = '';
+
+  if (!base64Matcher.test(base64String)) {
+    throw new Error('Non base64 encoded input passed to window.atob polyfill');
+  }
+
+  i = 0;
+  do {
+    b1 = characters.indexOf(base64String.charAt(i++));
+    b2 = characters.indexOf(base64String.charAt(i++));
+    b3 = characters.indexOf(base64String.charAt(i++));
+    b4 = characters.indexOf(base64String.charAt(i++));
+
+    a = (b1 & 0x3F) << 2 | b2 >> 4 & 0x3;
+    b = (b2 & 0xF) << 4 | b3 >> 2 & 0xF;
+    c = (b3 & 0x3) << 6 | b4 & 0x3F;
+
+    result += String.fromCharCode(a) + (b ? String.fromCharCode(b) : '') + (c ? String.fromCharCode(c) : '');
+  } while (i < base64String.length);
+
+  return result;
+}
+
+module.exports = {
+  atob: atobNormalized,
+  _atob: atob
+};
+
+}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
+},{}],33:[function(_dereq_,module,exports){
+(function (global){
+'use strict';
+
+function _notEmpty(obj) {
+  var key;
+
+  for (key in obj) {
+    if (obj.hasOwnProperty(key)) { return true; }
+  }
+
+  return false;
+}
+
+function _isArray(value) {
+  return value && typeof value === 'object' && typeof value.length === 'number' &&
+    Object.prototype.toString.call(value) === '[object Array]' || false;
+}
+
+function parse(url) {
+  var query, params;
+
+  url = url || global.location.href;
+
+  if (!/\?/.test(url)) {
+    return {};
+  }
+
+  query = url.replace(/#.*$/, '').replace(/^.*\?/, '').split('&');
+
+  params = query.reduce(function (toReturn, keyValue) {
+    var parts = keyValue.split('=');
+    var key = decodeURIComponent(parts[0]);
+    var value = decodeURIComponent(parts[1]);
+
+    toReturn[key] = value;
+    return toReturn;
+  }, {});
+
+  return params;
+}
+
+function stringify(params, namespace) {
+  var k, v, p;
+  var query = [];
+
+  for (p in params) {
+    if (!params.hasOwnProperty(p)) {
+      continue;
+    }
+
+    v = params[p];
+
+    if (namespace) {
+      if (_isArray(params)) {
+        k = namespace + '[]';
+      } else {
+        k = namespace + '[' + p + ']';
+      }
+    } else {
+      k = p;
+    }
+    if (typeof v === 'object') {
+      query.push(stringify(v, k));
+    } else {
+      query.push(encodeURIComponent(k) + '=' + encodeURIComponent(v));
+    }
+  }
+
+  return query.join('&');
+}
+
+function queryify(url, params) {
+  url = url || '';
+
+  if (params != null && typeof params === 'object' && _notEmpty(params)) {
+    url += url.indexOf('?') === -1 ? '?' : '';
+    url += url.indexOf('=') !== -1 ? '&' : '';
+    url += stringify(params);
+  }
+
+  return url;
+}
+
+module.exports = {
+  parse: parse,
+  stringify: stringify,
+  queryify: queryify
+};
+
+}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
+},{}],34:[function(_dereq_,module,exports){
+'use strict';
+
+var BraintreeError = _dereq_('./error');
+var sharedErrors = _dereq_('../errors');
+
+module.exports = function (callback, functionName) {
+  if (typeof callback !== 'function') {
+    throw new BraintreeError({
+      type: sharedErrors.CALLBACK_REQUIRED.type,
+      code: sharedErrors.CALLBACK_REQUIRED.code,
+      message: functionName + ' must include a callback function.'
+    });
+  }
+};
+
+},{"../errors":6,"./error":18}],35:[function(_dereq_,module,exports){
+'use strict';
+
+function uuid() {
+  return 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, function (c) {
+    var r = Math.random() * 16 | 0;
+    var v = c === 'x' ? r : r & 0x3 | 0x8;
+
+    return v.toString(16);
+  });
+}
+
+module.exports = uuid;
+
+},{}],36:[function(_dereq_,module,exports){
+'use strict';
+
+var frameService = _dereq_('../../lib/frame-service/external');
+var BraintreeError = _dereq_('../../lib/error');
+var once = _dereq_('../../lib/once');
+var VERSION = "3.5.0";
+var constants = _dereq_('../shared/constants');
+var INTEGRATION_TIMEOUT_MS = _dereq_('../../lib/constants').INTEGRATION_TIMEOUT_MS;
+var analytics = _dereq_('../../lib/analytics');
+var throwIfNoCallback = _dereq_('../../lib/throw-if-no-callback');
+var methods = _dereq_('../../lib/methods');
+var deferred = _dereq_('../../lib/deferred');
+var errors = _dereq_('../shared/errors');
+var convertMethodsToError = _dereq_('../../lib/convert-methods-to-error');
+var querystring = _dereq_('../../lib/querystring');
+
+/**
+ * @typedef {object} PayPal~tokenizePayload
+ * @property {string} nonce The payment method nonce.
+ * @property {string} type The payment method type, always `PayPalAccount`.
+ * @property {object} details Additional PayPal account details.
+ * @property {string} details.email User's email address.
+ * @property {string} details.payerId User's payer ID, the unique identifier for each PayPal account.
+ * @property {string} details.firstName User's given name.
+ * @property {string} details.lastName User's surname.
+ * @property {?string} details.countryCode User's 2 character country code.
+ * @property {?string} details.phone User's phone number (e.g. 555-867-5309).
+ * @property {?object} details.shippingAddress User's shipping address details, only available if shipping address is enabled.
+ * @property {string} details.shippingAddress.recipientName Recipient of postage.
+ * @property {string} details.shippingAddress.line1 Street number and name.
+ * @property {string} details.shippingAddress.line2 Extended address.
+ * @property {string} details.shippingAddress.city City or locality.
+ * @property {string} details.shippingAddress.state State or region.
+ * @property {string} details.shippingAddress.postalCode Postal code.
+ * @property {string} details.shippingAddress.countryCode 2 character country code (e.g. US).
+ * @property {?object} details.billingAddress User's billing address details.
+ * You will also need to enable the PayPal Billing Address Request feature in your PayPal account.
+ * To enable this feature, [contact PayPal](https://developers.braintreepayments.com/support/guides/paypal/setup-guide#contacting-paypal-support).
+ * @property {string} details.billingAddress.line1 Street number and name.
+ * @property {string} details.billingAddress.line2 Extended address.
+ * @property {string} details.billingAddress.city City or locality.
+ * @property {string} details.billingAddress.state State or region.
+ * @property {string} details.billingAddress.postalCode Postal code.
+ * @property {string} details.billingAddress.countryCode 2 character country code (e.g. US).
+ */
+
+/**
+ * @typedef {object} PayPal~tokenizeReturn
+ * @property {Function} close A handle to close the PayPal checkout flow.
+ * @property {Function} focus A handle to focus the PayPal checkout flow. Note that some browsers (notably iOS Safari) do not support focusing popups. Firefox requires the focus call to occur as the result of a user interaction, such as a button click.
+ */
+
+/**
+ * @class
+ * @param {object} options see {@link module:braintree-web/paypal.create|paypal.create}
+ * @classdesc This class represents a PayPal component. Instances of this class have methods for launching auth dialogs and other programmatic interactions with the PayPal component.
+ */
+function PayPal(options) {
+  this._client = options.client;
+  this._assetsUrl = options.client.getConfiguration().gatewayConfiguration.paypal.assetsUrl + '/web/' + VERSION;
+  this._authorizationInProgress = false;
+}
+
+PayPal.prototype._initialize = function (callback) {
+  var client = this._client;
+  var failureTimeout = setTimeout(function () {
+    analytics.sendEvent(client, 'web.paypal.load.timed-out');
+  }, INTEGRATION_TIMEOUT_MS);
+
+  frameService.create({
+    name: constants.LANDING_FRAME_NAME,
+    dispatchFrameUrl: this._assetsUrl + '/html/dispatch-frame.html',
+    openFrameUrl: this._assetsUrl + '/html/paypal-landing-frame.html'
+  }, function (service) {
+    this._frameService = service;
+    clearTimeout(failureTimeout);
+    analytics.sendEvent(client, 'web.paypal.load.succeeded');
+    callback();
+  }.bind(this));
+};
+
+/**
+ * Launches the PayPal login flow and returns a nonce payload. Only one PayPal login flow should be active at a time. One way to achieve this is to disable your PayPal button while the flow is open.
+ * @public
+ * @param {object} options All tokenization options for the PayPal component.
+ * @param {string} options.flow Set to 'checkout' for one-time payment flow, or 'vault' for Vault flow. If 'vault' is used with a client token generated with a customer id, the PayPal account will be added to that customer as a saved payment method.
+ * @param {string} [options.intent=authorize]
+ * Checkout flows only.
+ * * `authorize` - Submits the transaction for authorization but not settlement.
+ * * `sale` - Payment will be immediately submitted for settlement upon creating a transaction.
+ * @param {boolean} [options.offerCredit=false] Offers the customer PayPal Credit if they qualify. Checkout flows only.
+ * @param {string} [options.useraction]
+ * This option only applies to the "checkout" flow and will have no effect on the "vault" flow.
+ *
+ * Changes the call-to-action in the PayPal flow. By default the final button will show the localized
+ * word for "Continue" and implies that the final amount billed is not yet known.
+ *
+ * Setting this option to `commit` changes the button text to "Pay Now" and page text will convey to
+ * the user that billing will take place immediately.
+ * @param {string|number} [options.amount] The amount of the transaction. Required when using the Checkout flow.
+ * @param {string} [options.currency] The currency code of the amount, such as 'USD'. Required when using the Checkout flow.
+ * @param {string} [options.displayName] The merchant name displayed inside of the PayPal lightbox; defaults to the company name on your Braintree account
+ * @param {string} [options.locale=en_US] Use this option to change the language, links, and terminology used in the PayPal flow to suit the country and language of your customer.
+ * @param {boolean} [options.enableShippingAddress=false] Returns a shipping address object in {@link PayPal#tokenize}.
+ * @param {object} [options.shippingAddressOverride] Allows you to pass a shipping address you have already collected into the PayPal payment flow.
+ * @param {string} options.shippingAddressOverride.line1 Street address.
+ * @param {string} [options.shippingAddressOverride.line2] Street address (extended).
+ * @param {string} options.shippingAddressOverride.city City.
+ * @param {string} options.shippingAddressOverride.state State.
+ * @param {string} options.shippingAddressOverride.postalCode Postal code.
+ * @param {string} options.shippingAddressOverride.countryCode Country.
+ * @param {string} [options.shippingAddressOverride.phone] Phone number.
+ * @param {string} [options.shippingAddressOverride.recipientName] Recipient's name.
+ * @param {boolean} [options.shippingAddressEditable=true] Set to false to disable user editing of the shipping address.
+ * @param {string} [options.billingAgreementDescription] Use this option to set the description of the preapproved payment agreement visible to customers in their PayPal profile during Vault flows. Max 255 characters.
+ * @param {callback} callback The second argument, <code>data</code>, is a {@link PayPal~tokenizePayload|tokenizePayload}.
+ * @example
+ * button.addEventListener('click', function () {
+ *   // Disable the button so that we don't attempt to open multiple popups.
+ *   button.setAttribute('disabled', 'disabled');
+ *
+ *   // Because PayPal tokenization opens a popup, this must be called
+ *   // as a result of a user action, such as a button click.
+ *   paypalInstance.tokenize({
+ *     flow: 'vault' // Required
+ *     // Any other tokenization options
+ *   }, function (tokenizeErr, payload) {
+ *     button.removeAttribute('disabled');
+ *
+ *     if (tokenizeErr) {
+ *       // Handle tokenization errors or premature flow closure
+ *
+ *       switch (tokenizeErr.code) {
+ *         case 'PAYPAL_POPUP_CLOSED':
+ *           console.error('Customer closed PayPal popup.');
+ *           break;
+ *         case 'PAYPAL_ACCOUNT_TOKENIZATION_FAILED':
+ *           console.error('PayPal tokenization failed. See details:', tokenizeErr.details);
+ *           break;
+ *         case 'PAYPAL_FLOW_FAILED':
+ *           console.error('Unable to initialize PayPal flow. Are your options correct?', tokenizeErr.details);
+ *           break;
+ *         default:
+ *           console.error('Error!', tokenizeErr);
+ *       }
+ *     } else {
+ *       // Submit payload.nonce to your server
+ *     }
+ *   });
+ * });
+ * @returns {PayPal~tokenizeReturn} A handle to manage the PayPal checkout frame.
+ */
+PayPal.prototype.tokenize = function (options, callback) {
+  var client = this._client;
+
+  throwIfNoCallback(callback, 'tokenize');
+
+  callback = once(deferred(callback));
+
+  if (this._authorizationInProgress) {
+    analytics.sendEvent(client, 'web.paypal.tokenization.error.already-opened');
+
+    callback(new BraintreeError(errors.PAYPAL_TOKENIZATION_REQUEST_ACTIVE));
+  } else {
+    this._authorizationInProgress = true;
+
+    analytics.sendEvent(client, 'web.paypal.tokenization.opened');
+    this._navigateFrameToAuth(options, callback);
+    // This MUST happen after _navigateFrameToAuth for Metro browsers to work.
+    this._frameService.open(this._createFrameServiceCallback(options, callback));
+  }
+
+  return {
+    close: function () {
+      analytics.sendEvent(client, 'web.paypal.tokenization.closed.by-merchant');
+      this._frameService.close();
+    }.bind(this),
+    focus: function () {
+      this._frameService.focus();
+    }.bind(this)
+  };
+};
+
+PayPal.prototype._createFrameServiceCallback = function (options, callback) {
+  var client = this._client;
+
+  return function (err, params) {
+    this._authorizationInProgress = false;
+
+    if (err) {
+      if (err.code === 'FRAME_SERVICE_FRAME_CLOSED') {
+        analytics.sendEvent(client, 'web.paypal.tokenization.closed.by-user');
+      }
+
+      callback(new BraintreeError(errors.PAYPAL_POPUP_CLOSED));
+    } else {
+      this._tokenizePayPal(options, params, callback);
+    }
+  }.bind(this);
+};
+
+PayPal.prototype._tokenizePayPal = function (options, params, callback) {
+  var client = this._client;
+
+  client.request({
+    endpoint: 'payment_methods/paypal_accounts',
+    method: 'post',
+    data: this._formatTokenizeData(options, params)
+  }, function (err, response) {
+    if (err) {
+      analytics.sendEvent(client, 'web.paypal.tokenization.failed');
+      callback(err instanceof BraintreeError ? err : new BraintreeError({
+        type: errors.PAYPAL_ACCOUNT_TOKENIZATION_FAILED.type,
+        code: errors.PAYPAL_ACCOUNT_TOKENIZATION_FAILED.code,
+        message: errors.PAYPAL_ACCOUNT_TOKENIZATION_FAILED.message,
+        details: {
+          originalError: err
+        }
+      }));
+    } else {
+      analytics.sendEvent(client, 'web.paypal.tokenization.success');
+      callback(null, this._formatTokenizePayload(response));
+    }
+  }.bind(this));
+};
+
+PayPal.prototype._formatTokenizePayload = function (response) {
+  var payload;
+  var account = {};
+
+  if (response.paypalAccounts) {
+    account = response.paypalAccounts[0];
+  }
+
+  payload = {
+    nonce: account.nonce,
+    details: {},
+    type: account.type
+  };
+
+  if (account.details && account.details.payerInfo) {
+    payload.details = account.details.payerInfo;
+  }
+
+  return payload;
+};
+
+PayPal.prototype._formatTokenizeData = function (options, params) {
+  var clientConfiguration = this._client.getConfiguration();
+  var gatewayConfiguration = clientConfiguration.gatewayConfiguration;
+  var isTokenizationKey = clientConfiguration.authorizationType === 'TOKENIZATION_KEY';
+  var data = {
+    paypalAccount: {
+      correlationId: this._frameService._serviceId,
+      options: {
+        validate: options.flow === 'vault' && !isTokenizationKey
+      }
+    }
+  };
+
+  if (params.ba_token) {
+    data.paypalAccount.billingAgreementToken = params.ba_token;
+  } else {
+    data.paypalAccount.paymentToken = params.paymentId;
+    data.paypalAccount.payerId = params.PayerID;
+    data.paypalAccount.unilateral = gatewayConfiguration.paypal.unvettedMerchant;
+
+    if (options.hasOwnProperty('intent')) {
+      data.paypalAccount.intent = options.intent;
+    }
+  }
+
+  return data;
+};
+
+PayPal.prototype._navigateFrameToAuth = function (options, callback) {
+  var client = this._client;
+  var endpoint = 'paypal_hermes/';
+
+  if (options.flow === 'checkout') {
+    endpoint += 'create_payment_resource';
+  } else if (options.flow === 'vault') {
+    endpoint += 'setup_billing_agreement';
+  } else {
+    callback(new BraintreeError(errors.PAYPAL_FLOW_OPTION_REQUIRED));
+    return;
+  }
+
+  client.request({
+    endpoint: endpoint,
+    method: 'post',
+    data: this._formatPaymentResourceData(options)
+  }, function (err, response, status) {
+    var redirectUrl;
+
+    if (err) {
+      if (status === 422) {
+        callback(new BraintreeError({
+          type: errors.PAYPAL_INVALID_PAYMENT_OPTION.type,
+          code: errors.PAYPAL_INVALID_PAYMENT_OPTION.code,
+          message: errors.PAYPAL_INVALID_PAYMENT_OPTION.message,
+          details: {
+            originalError: err
+          }
+        }));
+      } else {
+        callback(err instanceof BraintreeError ? err : new BraintreeError({
+          type: errors.PAYPAL_FLOW_FAILED.type,
+          code: errors.PAYPAL_FLOW_FAILED.code,
+          message: errors.PAYPAL_FLOW_FAILED.message,
+          details: {
+            originalError: err
+          }
+        }));
+      }
+      this._frameService.close();
+    } else {
+      if (options.flow === 'checkout') {
+        redirectUrl = response.paymentResource.redirectUrl;
+      } else {
+        redirectUrl = response.agreementSetup.approvalUrl;
+      }
+
+      if (options.useraction === 'commit') {
+        redirectUrl = querystring.queryify(redirectUrl, {useraction: 'commit'});
+      }
+
+      this._frameService.redirect(redirectUrl);
+    }
+  }.bind(this));
+};
+
+PayPal.prototype._formatPaymentResourceData = function (options) {
+  var key;
+  var gatewayConfiguration = this._client.getConfiguration().gatewayConfiguration;
+  var serviceId = this._frameService._serviceId;
+  var paymentResource = {
+    returnUrl: gatewayConfiguration.paypal.assetsUrl + '/web/' + VERSION + '/html/paypal-redirect-frame.html?channel=' + serviceId,
+    cancelUrl: gatewayConfiguration.paypal.assetsUrl + '/web/' + VERSION + '/html/paypal-cancel-frame.html?channel=' + serviceId,
+    correlationId: serviceId,
+    experienceProfile: {
+      brandName: options.displayName || gatewayConfiguration.paypal.displayName,
+      localeCode: options.locale,
+      noShipping: (!options.enableShippingAddress).toString(),
+      addressOverride: options.shippingAddressEditable === false
+    }
+  };
+
+  if (options.flow === 'checkout') {
+    paymentResource.amount = options.amount;
+    paymentResource.currencyIsoCode = options.currency;
+    paymentResource.offerPaypalCredit = options.offerCredit === true;
+
+    if (options.hasOwnProperty('intent')) {
+      paymentResource.intent = options.intent;
+    }
+
+    for (key in options.shippingAddressOverride) {
+      if (options.shippingAddressOverride.hasOwnProperty(key)) {
+        paymentResource[key] = options.shippingAddressOverride[key];
+      }
+    }
+  } else {
+    paymentResource.shippingAddress = options.shippingAddressOverride;
+
+    if (options.billingAgreementDescription) {
+      paymentResource.description = options.billingAgreementDescription;
+    }
+  }
+
+  return paymentResource;
+};
+
+/**
+ * Cleanly tear down anything set up by {@link module:braintree-web/paypal.create|create}.
+ * @public
+ * @param {callback} [callback] Called once teardown is complete. No data is returned if teardown completes successfully.
+ * @returns {void}
+ */
+PayPal.prototype.teardown = function (callback) {
+  this._frameService.teardown();
+
+  convertMethodsToError(this, methods(PayPal.prototype));
+
+  analytics.sendEvent(this._client, 'web.paypal.teardown-completed');
+
+  if (typeof callback === 'function') {
+    callback = deferred(callback);
+    callback();
+  }
+};
+
+module.exports = PayPal;
+
+},{"../../lib/analytics":8,"../../lib/constants":13,"../../lib/convert-methods-to-error":14,"../../lib/deferred":16,"../../lib/error":18,"../../lib/frame-service/external":20,"../../lib/methods":30,"../../lib/once":31,"../../lib/querystring":33,"../../lib/throw-if-no-callback":34,"../shared/constants":38,"../shared/errors":39}],37:[function(_dereq_,module,exports){
+'use strict';
+/** @module braintree-web/paypal */
+
+var analytics = _dereq_('../lib/analytics');
+var BraintreeError = _dereq_('../lib/error');
+var browserDetection = _dereq_('../lib/browser-detection');
+var deferred = _dereq_('../lib/deferred');
+var errors = _dereq_('./shared/errors');
+var throwIfNoCallback = _dereq_('../lib/throw-if-no-callback');
+var PayPal = _dereq_('./external/paypal');
+var sharedErrors = _dereq_('../errors');
+var VERSION = "3.5.0";
+
+/**
+ * @static
+ * @function create
+ * @param {object} options Creation options:
+ * @param {Client} options.client A {@link Client} instance.
+ * @param {callback} callback The second argument, `data`, is the {@link PayPal} instance.
+ * @example
+ * braintree.paypal.create(
+ *   client: clientInstance
+ * }, function (createErr, paypalInstance) {
+ *   if (createErr) {
+ *     if (createErr.code === 'PAYPAL_BROWSER_NOT_SUPPORTED') {
+ *       console.error('This browser is not supported.');
+ *     } else {
+ *       console.error('Error!', createErr);
+ *     }
+ *   }
+ * }
+ * @returns {void}
+ */
+function create(options, callback) {
+  var config, pp, clientVersion;
+
+  throwIfNoCallback(callback, 'create');
+
+  callback = deferred(callback);
+
+  if (options.client == null) {
+    callback(new BraintreeError({
+      type: sharedErrors.INSTANTIATION_OPTION_REQUIRED.type,
+      code: sharedErrors.INSTANTIATION_OPTION_REQUIRED.code,
+      message: 'options.client is required when instantiating PayPal.'
+    }));
+    return;
+  }
+
+  config = options.client.getConfiguration();
+  clientVersion = config.analyticsMetadata.sdkVersion;
+
+  if (clientVersion !== VERSION) {
+    callback(new BraintreeError({
+      type: sharedErrors.INCOMPATIBLE_VERSIONS.type,
+      code: sharedErrors.INCOMPATIBLE_VERSIONS.code,
+      message: 'Client (version ' + clientVersion + ') and PayPal (version ' + VERSION + ') components must be from the same SDK version.'
+    }));
+    return;
+  }
+
+  if (config.gatewayConfiguration.paypalEnabled !== true) {
+    callback(new BraintreeError(errors.PAYPAL_NOT_ENABLED));
+    return;
+  }
+
+  if (!browserDetection.supportsPopups()) {
+    callback(new BraintreeError(errors.PAYPAL_BROWSER_NOT_SUPPORTED));
+    return;
+  }
+
+  analytics.sendEvent(options.client, 'web.paypal.initialized');
+
+  pp = new PayPal(options);
+  pp._initialize(function () {
+    callback(null, pp);
+  });
+}
+
+module.exports = {
+  create: create,
+  /**
+   * @description The current version of the SDK, i.e. `{@pkg version}`.
+   * @type {string}
+   */
+  VERSION: VERSION
+};
+
+},{"../errors":6,"../lib/analytics":8,"../lib/browser-detection":9,"../lib/deferred":16,"../lib/error":18,"../lib/throw-if-no-callback":34,"./external/paypal":36,"./shared/errors":39}],38:[function(_dereq_,module,exports){
+'use strict';
+
+var POPUP_HEIGHT = 535;
+var POPUP_WIDTH = 450;
+
+module.exports = {
+  AUTH_INIT_ERROR_MESSAGE: 'Could not initialize PayPal flow.',
+  LANDING_FRAME_NAME: 'braintreepaypallanding',
+  POPUP_BASE_OPTIONS: 'resizable,scrollbars,height=' + POPUP_HEIGHT + ',width=' + POPUP_WIDTH,
+  POPUP_WIDTH: POPUP_WIDTH,
+  POPUP_HEIGHT: POPUP_HEIGHT,
+  POPUP_POLL_INTERVAL: 100
+};
+
+},{}],39:[function(_dereq_,module,exports){
+'use strict';
+
+var BraintreeError = _dereq_('../../lib/error');
+
+module.exports = {
+  PAYPAL_NOT_ENABLED: {
+    type: BraintreeError.types.MERCHANT,
+    code: 'PAYPAL_NOT_ENABLED',
+    message: 'PayPal is not enabled for this merchant.'
+  },
+  PAYPAL_TOKENIZATION_REQUEST_ACTIVE: {
+    type: BraintreeError.types.MERCHANT,
+    code: 'PAYPAL_TOKENIZATION_REQUEST_ACTIVE',
+    message: 'Another tokenization request is active.'
+  },
+  PAYPAL_ACCOUNT_TOKENIZATION_FAILED: {
+    type: BraintreeError.types.NETWORK,
+    code: 'PAYPAL_ACCOUNT_TOKENIZATION_FAILED',
+    message: 'Could not tokenize user\'s PayPal account.'
+  },
+  PAYPAL_FLOW_FAILED: {
+    type: BraintreeError.types.NETWORK,
+    code: 'PAYPAL_FLOW_FAILED',
+    message: 'Could not initialize PayPal flow.'
+  },
+  PAYPAL_FLOW_OPTION_REQUIRED: {
+    type: BraintreeError.types.MERCHANT,
+    code: 'PAYPAL_FLOW_OPTION_REQUIRED',
+    message: 'PayPal flow property is invalid or missing.'
+  },
+  PAYPAL_BROWSER_NOT_SUPPORTED: {
+    type: BraintreeError.types.CUSTOMER,
+    code: 'PAYPAL_BROWSER_NOT_SUPPORTED',
+    message: 'Browser is not supported.'
+  },
+  PAYPAL_POPUP_CLOSED: {
+    type: BraintreeError.types.CUSTOMER,
+    code: 'PAYPAL_POPUP_CLOSED',
+    message: 'Customer closed PayPal popup before authorizing.'
+  },
+  PAYPAL_INVALID_PAYMENT_OPTION: {
+    type: BraintreeError.types.MERCHANT,
+    code: 'PAYPAL_INVALID_PAYMENT_OPTION',
+    message: 'PayPal payment options are invalid.'
+  }
+};
+
+},{"../../lib/error":18}]},{},[37])(37)
+});