diff --git a/README.md b/README.md
index a5dc5b5..da8a1d5 100644
--- a/README.md
+++ b/README.md
@@ -23,21 +23,22 @@ This package uses [auto-discovery](https://laravel.com/docs/5.5/packages#package
 
 ## Config
 
-The base path of the assets will be the `public` directory. You can change it within the config file `subresource-integrity`.
-
-You can also customize the hashing algorithm. Possible algorithms are `sha256`, `sha384` and `sha512`.
-
-You can publish the config file using
+If you want ot make changes in the configuration you can publish the config file using
 
 ```sh
 $ php artisan vendor:publish --provider="Elhebert\SubresourceIntegrity\SriServiceProvider"
 ```
 
-## Usage
+### Content of the configuration
 
-To avoid having to re-hash the file on every reload, you can use the [laravel-mix-sri](https://github.com/Elhebert/laravel-mix-sri) mix extension. It'll generate new hashes on build and store them in a `mix-sri.json` file.
+| key | default value | possible values |
+| - | - | - |
+| base_path | `base_path('/public')` | |
+| algorithm | sha256 | sha256, sha384 and sha512 |
+| hashes | `[]` | (see "[How to get a hash](#how-to-get-a-hash)) |
+| mix_sri_path | `public_path('mix-sri.json')` | (see "[How to get a hash](#how-to-get-a-hash)) |
 
-The `hash` method will first try to read this file and extract the correspond hash for a given asset file. If it exist, it'll return that value. Otherwise it'll read the content of the asset file and hash it accordingly.
+## Usage
 
 To only get a hash, use `Sri::hash`:
 
@@ -62,6 +63,7 @@ To generate the HTML for the `integrity` and the `crossorigin` attributes, use `
 >
 ```
 
+
 ### Blade directive
 
 Two blade directive are available to make your views cleaner:
@@ -76,6 +78,45 @@ Use `@assetSri` to generate the `<link>` or `<script>` tag with the proper attri
 @assetSri(string $path, bool $useCredentials = 'false')
 ```
 
+## How to get a hash
+
+### Store hashes in the configuration
+
+You can references the assets in the configuration like this:
+
+```php
+[
+    // ...
+
+    'hashes' => [
+        'css/app.css' => 'my_super_hash'
+        'https://code.jquery.com/jquery-3.3.1.min.js' => 'sha256-FgpCb/KJQlLNfOu91ta32o/NMZxltwRo8QtmkMRdAu8='
+    ]
+]
+```
+
+This means, you have to calculate the hashes yourself. To do this, you can use [report-uri.io](https://report-uri.com/home/sri_hash), [mozilla hash generator](https://www.srihash.org/) or any other resource available.
+
+### Using a webpack (or Mix) plugin to generate hashes on build
+
+It expect a `mix-sri.json` file with a similar structure to the `mix-manifest.json`:
+```json
+{
+    "/css/app.css": "my_super_hash",
+    "/js/app.js": "my_super_hash",
+}
+```
+
+The filename and path can be changed in the configuration at any time.
+
+> Self promotion: I made a Laravel Mix extension [laravel-mix-sri](https://github.com/Elhebert/laravel-mix-sri) for this purpose.
+
+### Generate them on the fly
+
+If it can't find the asset hash in the config file nor in the mix-sri.json file, it'll generate the hash on each reload of the page.
+
+This method is the least recommended, because it reduce performance and make your page load slower.
+
 ## Remote resources
 
 This package also work for remote resources. Be careful that resources like Google Fonts [won't work](https://github.com/google/fonts/issues/473).
@@ -88,15 +129,6 @@ This package also work for remote resources. Be careful that resources like Goog
 ></script>
 ```
 
-You can also use the blade directives for remotes resources. Both are similar for external assets. It'll simply load the asset without the laravel helper.
-
-```php
-@mixSri(http://code.jquery.com/jquery-3.3.1.min.js)
-@assetSri(http://code.jquery.com/jquery-3.3.1.min.js)
-```
-
-will both generate the equivalent of the`<script>` tag just above.
-
 ## Contributing
 
 Please see [CONTRIBUTING](CONTRIBUTING.md) for more details.
diff --git a/composer.json b/composer.json
index 8c37969..892ac6d 100644
--- a/composer.json
+++ b/composer.json
@@ -18,6 +18,7 @@
         "illuminate/support": "5.5.* || 5.6.*"
     },
     "require-dev": {
+        "orchestra/testbench": "~3.0",
         "phpunit/phpunit": "^6.5"
     },
     "autoload": {
@@ -25,6 +26,11 @@
             "Elhebert\\SubresourceIntegrity\\": "src"
         }
     },
+    "autoload-dev": {
+        "psr-4": {
+            "Elhebert\\SubresourceIntegrity\\Tests\\": "tests"
+        }
+    },
     "config": {
         "sort-packages": true
     },
diff --git a/composer.lock b/composer.lock
index effca16..e654078 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#composer-lock-the-lock-file",
         "This file is @generated automatically"
     ],
-    "content-hash": "ee631cd34037bd227d19e0d456d3341d",
+    "content-hash": "6dde2e0c5a85062ff5216f8c2e11a33c",
     "packages": [
         {
             "name": "doctrine/inflector",
@@ -74,33 +74,31 @@
             "time": "2018-01-09T20:05:19+00:00"
         },
         {
-            "name": "illuminate/contracts",
-            "version": "v5.5.34",
+            "name": "doctrine/lexer",
+            "version": "v1.0.1",
             "source": {
                 "type": "git",
-                "url": "https://github.com/illuminate/contracts.git",
-                "reference": "eb9a0171866fca0669c9acab6c7441e19b4694ca"
+                "url": "https://github.com/doctrine/lexer.git",
+                "reference": "83893c552fd2045dd78aef794c31e694c37c0b8c"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/illuminate/contracts/zipball/eb9a0171866fca0669c9acab6c7441e19b4694ca",
-                "reference": "eb9a0171866fca0669c9acab6c7441e19b4694ca",
+                "url": "https://api.github.com/repos/doctrine/lexer/zipball/83893c552fd2045dd78aef794c31e694c37c0b8c",
+                "reference": "83893c552fd2045dd78aef794c31e694c37c0b8c",
                 "shasum": ""
             },
             "require": {
-                "php": ">=7.0",
-                "psr/container": "~1.0",
-                "psr/simple-cache": "~1.0"
+                "php": ">=5.3.2"
             },
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "5.5-dev"
+                    "dev-master": "1.0.x-dev"
                 }
             },
             "autoload": {
-                "psr-4": {
-                    "Illuminate\\Contracts\\": ""
+                "psr-0": {
+                    "Doctrine\\Common\\Lexer\\": "lib/"
                 }
             },
             "notification-url": "https://packagist.org/downloads/",
@@ -109,56 +107,62 @@
             ],
             "authors": [
                 {
-                    "name": "Taylor Otwell",
-                    "email": "taylor@laravel.com"
+                    "name": "Roman Borschel",
+                    "email": "roman@code-factory.org"
+                },
+                {
+                    "name": "Guilherme Blanco",
+                    "email": "guilhermeblanco@gmail.com"
+                },
+                {
+                    "name": "Johannes Schmitt",
+                    "email": "schmittjoh@gmail.com"
                 }
             ],
-            "description": "The Illuminate Contracts package.",
-            "homepage": "https://laravel.com",
-            "time": "2018-01-19T17:59:58+00:00"
+            "description": "Base library for a lexer that can be used in Top-Down, Recursive Descent Parsers.",
+            "homepage": "http://www.doctrine-project.org",
+            "keywords": [
+                "lexer",
+                "parser"
+            ],
+            "time": "2014-09-09T13:34:57+00:00"
         },
         {
-            "name": "illuminate/support",
-            "version": "v5.5.34",
+            "name": "egulias/email-validator",
+            "version": "2.1.3",
             "source": {
                 "type": "git",
-                "url": "https://github.com/illuminate/support.git",
-                "reference": "139eb279bc18a1229c6c49a618d122c613edb2c7"
+                "url": "https://github.com/egulias/EmailValidator.git",
+                "reference": "1bec00a10039b823cc94eef4eddd47dcd3b2ca04"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/illuminate/support/zipball/139eb279bc18a1229c6c49a618d122c613edb2c7",
-                "reference": "139eb279bc18a1229c6c49a618d122c613edb2c7",
+                "url": "https://api.github.com/repos/egulias/EmailValidator/zipball/1bec00a10039b823cc94eef4eddd47dcd3b2ca04",
+                "reference": "1bec00a10039b823cc94eef4eddd47dcd3b2ca04",
                 "shasum": ""
             },
             "require": {
-                "doctrine/inflector": "~1.1",
-                "ext-mbstring": "*",
-                "illuminate/contracts": "5.5.*",
-                "nesbot/carbon": "^1.20",
-                "php": ">=7.0"
+                "doctrine/lexer": "^1.0.1",
+                "php": ">= 5.5"
             },
-            "replace": {
-                "tightenco/collect": "self.version"
+            "require-dev": {
+                "dominicsayers/isemail": "dev-master",
+                "phpunit/phpunit": "^4.8.35",
+                "satooshi/php-coveralls": "^1.0.1"
             },
             "suggest": {
-                "illuminate/filesystem": "Required to use the composer class (5.2.*).",
-                "symfony/process": "Required to use the composer class (~3.3).",
-                "symfony/var-dumper": "Required to use the dd function (~3.3)."
+                "ext-intl": "PHP Internationalization Libraries are required to use the SpoofChecking validation"
             },
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "5.5-dev"
+                    "dev-master": "2.0.x-dev"
                 }
             },
             "autoload": {
                 "psr-4": {
-                    "Illuminate\\Support\\": ""
-                },
-                "files": [
-                    "helpers.php"
-                ]
+                    "Egulias\\EmailValidator\\": "EmailValidator"
+                }
             },
             "notification-url": "https://packagist.org/downloads/",
             "license": [
@@ -166,45 +170,45 @@
             ],
             "authors": [
                 {
-                    "name": "Taylor Otwell",
-                    "email": "taylor@laravel.com"
+                    "name": "Eduardo Gulias Davis"
                 }
             ],
-            "description": "The Illuminate Support package.",
-            "homepage": "https://laravel.com",
-            "time": "2018-02-04T20:29:16+00:00"
+            "description": "A library for validating emails against several RFCs",
+            "homepage": "https://github.com/egulias/EmailValidator",
+            "keywords": [
+                "email",
+                "emailvalidation",
+                "emailvalidator",
+                "validation",
+                "validator"
+            ],
+            "time": "2017-11-15T23:40:40+00:00"
         },
         {
-            "name": "nesbot/carbon",
-            "version": "1.22.1",
+            "name": "erusev/parsedown",
+            "version": "1.7.1",
             "source": {
                 "type": "git",
-                "url": "https://github.com/briannesbitt/Carbon.git",
-                "reference": "7cdf42c0b1cc763ab7e4c33c47a24e27c66bfccc"
+                "url": "https://github.com/erusev/parsedown.git",
+                "reference": "92e9c27ba0e74b8b028b111d1b6f956a15c01fc1"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/briannesbitt/Carbon/zipball/7cdf42c0b1cc763ab7e4c33c47a24e27c66bfccc",
-                "reference": "7cdf42c0b1cc763ab7e4c33c47a24e27c66bfccc",
+                "url": "https://api.github.com/repos/erusev/parsedown/zipball/92e9c27ba0e74b8b028b111d1b6f956a15c01fc1",
+                "reference": "92e9c27ba0e74b8b028b111d1b6f956a15c01fc1",
                 "shasum": ""
             },
             "require": {
-                "php": ">=5.3.0",
-                "symfony/translation": "~2.6 || ~3.0"
+                "ext-mbstring": "*",
+                "php": ">=5.3.0"
             },
             "require-dev": {
-                "friendsofphp/php-cs-fixer": "~2",
-                "phpunit/phpunit": "~4.0 || ~5.0"
+                "phpunit/phpunit": "^4.8.35"
             },
             "type": "library",
-            "extra": {
-                "branch-alias": {
-                    "dev-master": "1.23-dev"
-                }
-            },
             "autoload": {
-                "psr-4": {
-                    "Carbon\\": "src/Carbon/"
+                "psr-0": {
+                    "Parsedown": ""
                 }
             },
             "notification-url": "https://packagist.org/downloads/",
@@ -213,46 +217,133 @@
             ],
             "authors": [
                 {
-                    "name": "Brian Nesbitt",
-                    "email": "brian@nesbot.com",
-                    "homepage": "http://nesbot.com"
+                    "name": "Emanuil Rusev",
+                    "email": "hello@erusev.com",
+                    "homepage": "http://erusev.com"
                 }
             ],
-            "description": "A simple API extension for DateTime.",
-            "homepage": "http://carbon.nesbot.com",
+            "description": "Parser for Markdown.",
+            "homepage": "http://parsedown.org",
             "keywords": [
-                "date",
-                "datetime",
-                "time"
+                "markdown",
+                "parser"
             ],
-            "time": "2017-01-16T07:55:07+00:00"
+            "time": "2018-03-08T01:11:30+00:00"
         },
         {
-            "name": "psr/container",
-            "version": "1.0.0",
+            "name": "laravel/framework",
+            "version": "v5.5.34",
             "source": {
                 "type": "git",
-                "url": "https://github.com/php-fig/container.git",
-                "reference": "b7ce3b176482dbbc1245ebf52b181af44c2cf55f"
+                "url": "https://github.com/laravel/framework.git",
+                "reference": "1de7c0aec13eadbdddc2d1ba4019b064b2c6b966"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/php-fig/container/zipball/b7ce3b176482dbbc1245ebf52b181af44c2cf55f",
-                "reference": "b7ce3b176482dbbc1245ebf52b181af44c2cf55f",
+                "url": "https://api.github.com/repos/laravel/framework/zipball/1de7c0aec13eadbdddc2d1ba4019b064b2c6b966",
+                "reference": "1de7c0aec13eadbdddc2d1ba4019b064b2c6b966",
                 "shasum": ""
             },
             "require": {
-                "php": ">=5.3.0"
+                "doctrine/inflector": "~1.1",
+                "erusev/parsedown": "~1.6",
+                "ext-mbstring": "*",
+                "ext-openssl": "*",
+                "league/flysystem": "~1.0",
+                "monolog/monolog": "~1.12",
+                "mtdowling/cron-expression": "~1.0",
+                "nesbot/carbon": "~1.20",
+                "php": ">=7.0",
+                "psr/container": "~1.0",
+                "psr/simple-cache": "^1.0",
+                "ramsey/uuid": "~3.0",
+                "swiftmailer/swiftmailer": "~6.0",
+                "symfony/console": "~3.3",
+                "symfony/debug": "~3.3",
+                "symfony/finder": "~3.3",
+                "symfony/http-foundation": "~3.3",
+                "symfony/http-kernel": "~3.3",
+                "symfony/process": "~3.3",
+                "symfony/routing": "~3.3",
+                "symfony/var-dumper": "~3.3",
+                "tijsverkoyen/css-to-inline-styles": "~2.2",
+                "vlucas/phpdotenv": "~2.2"
+            },
+            "replace": {
+                "illuminate/auth": "self.version",
+                "illuminate/broadcasting": "self.version",
+                "illuminate/bus": "self.version",
+                "illuminate/cache": "self.version",
+                "illuminate/config": "self.version",
+                "illuminate/console": "self.version",
+                "illuminate/container": "self.version",
+                "illuminate/contracts": "self.version",
+                "illuminate/cookie": "self.version",
+                "illuminate/database": "self.version",
+                "illuminate/encryption": "self.version",
+                "illuminate/events": "self.version",
+                "illuminate/filesystem": "self.version",
+                "illuminate/hashing": "self.version",
+                "illuminate/http": "self.version",
+                "illuminate/log": "self.version",
+                "illuminate/mail": "self.version",
+                "illuminate/notifications": "self.version",
+                "illuminate/pagination": "self.version",
+                "illuminate/pipeline": "self.version",
+                "illuminate/queue": "self.version",
+                "illuminate/redis": "self.version",
+                "illuminate/routing": "self.version",
+                "illuminate/session": "self.version",
+                "illuminate/support": "self.version",
+                "illuminate/translation": "self.version",
+                "illuminate/validation": "self.version",
+                "illuminate/view": "self.version",
+                "tightenco/collect": "self.version"
+            },
+            "require-dev": {
+                "aws/aws-sdk-php": "~3.0",
+                "doctrine/dbal": "~2.5",
+                "filp/whoops": "^2.1.4",
+                "mockery/mockery": "~1.0",
+                "orchestra/testbench-core": "3.5.*",
+                "pda/pheanstalk": "~3.0",
+                "phpunit/phpunit": "~6.0",
+                "predis/predis": "^1.1.1",
+                "symfony/css-selector": "~3.3",
+                "symfony/dom-crawler": "~3.3"
+            },
+            "suggest": {
+                "aws/aws-sdk-php": "Required to use the SQS queue driver and SES mail driver (~3.0).",
+                "doctrine/dbal": "Required to rename columns and drop SQLite columns (~2.5).",
+                "ext-pcntl": "Required to use all features of the queue worker.",
+                "ext-posix": "Required to use all features of the queue worker.",
+                "fzaninotto/faker": "Required to use the eloquent factory builder (~1.4).",
+                "guzzlehttp/guzzle": "Required to use the Mailgun and Mandrill mail drivers and the ping methods on schedules (~6.0).",
+                "laravel/tinker": "Required to use the tinker console command (~1.0).",
+                "league/flysystem-aws-s3-v3": "Required to use the Flysystem S3 driver (~1.0).",
+                "league/flysystem-cached-adapter": "Required to use Flysystem caching (~1.0).",
+                "league/flysystem-rackspace": "Required to use the Flysystem Rackspace driver (~1.0).",
+                "nexmo/client": "Required to use the Nexmo transport (~1.0).",
+                "pda/pheanstalk": "Required to use the beanstalk queue driver (~3.0).",
+                "predis/predis": "Required to use the redis cache and queue drivers (~1.0).",
+                "pusher/pusher-php-server": "Required to use the Pusher broadcast driver (~3.0).",
+                "symfony/css-selector": "Required to use some of the crawler integration testing tools (~3.3).",
+                "symfony/dom-crawler": "Required to use most of the crawler integration testing tools (~3.3).",
+                "symfony/psr-http-message-bridge": "Required to psr7 bridging features (~1.0)."
             },
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "1.0.x-dev"
+                    "dev-master": "5.5-dev"
                 }
             },
             "autoload": {
+                "files": [
+                    "src/Illuminate/Foundation/helpers.php",
+                    "src/Illuminate/Support/helpers.php"
+                ],
                 "psr-4": {
-                    "Psr\\Container\\": "src/"
+                    "Illuminate\\": "src/Illuminate/"
                 }
             },
             "notification-url": "https://packagist.org/downloads/",
@@ -261,47 +352,68 @@
             ],
             "authors": [
                 {
-                    "name": "PHP-FIG",
-                    "homepage": "http://www.php-fig.org/"
+                    "name": "Taylor Otwell",
+                    "email": "taylor@laravel.com"
                 }
             ],
-            "description": "Common Container Interface (PHP FIG PSR-11)",
-            "homepage": "https://github.com/php-fig/container",
+            "description": "The Laravel Framework.",
+            "homepage": "https://laravel.com",
             "keywords": [
-                "PSR-11",
-                "container",
-                "container-interface",
-                "container-interop",
-                "psr"
+                "framework",
+                "laravel"
             ],
-            "time": "2017-02-14T16:28:37+00:00"
+            "time": "2018-02-06T15:36:55+00:00"
         },
         {
-            "name": "psr/simple-cache",
-            "version": "1.0.0",
+            "name": "league/flysystem",
+            "version": "1.0.43",
             "source": {
                 "type": "git",
-                "url": "https://github.com/php-fig/simple-cache.git",
-                "reference": "753fa598e8f3b9966c886fe13f370baa45ef0e24"
+                "url": "https://github.com/thephpleague/flysystem.git",
+                "reference": "1ce7cc142d906ba58dc54c82915d355a9191c8a8"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/php-fig/simple-cache/zipball/753fa598e8f3b9966c886fe13f370baa45ef0e24",
-                "reference": "753fa598e8f3b9966c886fe13f370baa45ef0e24",
+                "url": "https://api.github.com/repos/thephpleague/flysystem/zipball/1ce7cc142d906ba58dc54c82915d355a9191c8a8",
+                "reference": "1ce7cc142d906ba58dc54c82915d355a9191c8a8",
                 "shasum": ""
             },
             "require": {
-                "php": ">=5.3.0"
+                "php": ">=5.5.9"
+            },
+            "conflict": {
+                "league/flysystem-sftp": "<1.0.6"
+            },
+            "require-dev": {
+                "ext-fileinfo": "*",
+                "phpspec/phpspec": "^3.4",
+                "phpunit/phpunit": "^5.7"
+            },
+            "suggest": {
+                "ext-fileinfo": "Required for MimeType",
+                "ext-ftp": "Allows you to use FTP server storage",
+                "ext-openssl": "Allows you to use FTPS server storage",
+                "league/flysystem-aws-s3-v2": "Allows you to use S3 storage with AWS SDK v2",
+                "league/flysystem-aws-s3-v3": "Allows you to use S3 storage with AWS SDK v3",
+                "league/flysystem-azure": "Allows you to use Windows Azure Blob storage",
+                "league/flysystem-cached-adapter": "Flysystem adapter decorator for metadata caching",
+                "league/flysystem-eventable-filesystem": "Allows you to use EventableFilesystem",
+                "league/flysystem-rackspace": "Allows you to use Rackspace Cloud Files",
+                "league/flysystem-sftp": "Allows you to use SFTP server storage via phpseclib",
+                "league/flysystem-webdav": "Allows you to use WebDAV storage",
+                "league/flysystem-ziparchive": "Allows you to use ZipArchive adapter",
+                "spatie/flysystem-dropbox": "Allows you to use Dropbox storage",
+                "srmklive/flysystem-dropbox-v2": "Allows you to use Dropbox storage for PHP 5 applications"
             },
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "1.0.x-dev"
+                    "dev-master": "1.1-dev"
                 }
             },
             "autoload": {
                 "psr-4": {
-                    "Psr\\SimpleCache\\": "src/"
+                    "League\\Flysystem\\": "src/"
                 }
             },
             "notification-url": "https://packagist.org/downloads/",
@@ -310,53 +422,89 @@
             ],
             "authors": [
                 {
-                    "name": "PHP-FIG",
-                    "homepage": "http://www.php-fig.org/"
+                    "name": "Frank de Jonge",
+                    "email": "info@frenky.net"
                 }
             ],
-            "description": "Common interfaces for simple caching",
+            "description": "Filesystem abstraction: Many filesystems, one API.",
             "keywords": [
-                "cache",
-                "caching",
-                "psr",
-                "psr-16",
-                "simple-cache"
-            ],
-            "time": "2017-01-02T13:31:39+00:00"
+                "Cloud Files",
+                "WebDAV",
+                "abstraction",
+                "aws",
+                "cloud",
+                "copy.com",
+                "dropbox",
+                "file systems",
+                "files",
+                "filesystem",
+                "filesystems",
+                "ftp",
+                "rackspace",
+                "remote",
+                "s3",
+                "sftp",
+                "storage"
+            ],
+            "time": "2018-03-01T10:27:04+00:00"
         },
         {
-            "name": "symfony/polyfill-mbstring",
-            "version": "v1.7.0",
+            "name": "monolog/monolog",
+            "version": "1.23.0",
             "source": {
                 "type": "git",
-                "url": "https://github.com/symfony/polyfill-mbstring.git",
-                "reference": "78be803ce01e55d3491c1397cf1c64beb9c1b63b"
+                "url": "https://github.com/Seldaek/monolog.git",
+                "reference": "fd8c787753b3a2ad11bc60c063cff1358a32a3b4"
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-                "reference": "78be803ce01e55d3491c1397cf1c64beb9c1b63b",
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             "require": {
-                "php": ">=5.3.3"
+                "php": ">=5.3.0",
+                "psr/log": "~1.0"
+            },
+            "provide": {
+                "psr/log-implementation": "1.0.0"
+            },
+            "require-dev": {
+                "aws/aws-sdk-php": "^2.4.9 || ^3.0",
+                "doctrine/couchdb": "~1.0@dev",
+                "graylog2/gelf-php": "~1.0",
+                "jakub-onderka/php-parallel-lint": "0.9",
+                "php-amqplib/php-amqplib": "~2.4",
+                "php-console/php-console": "^3.1.3",
+                "phpunit/phpunit": "~4.5",
+                "phpunit/phpunit-mock-objects": "2.3.0",
+                "ruflin/elastica": ">=0.90 <3.0",
+                "sentry/sentry": "^0.13",
+                "swiftmailer/swiftmailer": "^5.3|^6.0"
             },
             "suggest": {
-                "ext-mbstring": "For best performance"
+                "aws/aws-sdk-php": "Allow sending log messages to AWS services like DynamoDB",
+                "doctrine/couchdb": "Allow sending log messages to a CouchDB server",
+                "ext-amqp": "Allow sending log messages to an AMQP server (1.0+ required)",
+                "ext-mongo": "Allow sending log messages to a MongoDB server",
+                "graylog2/gelf-php": "Allow sending log messages to a GrayLog2 server",
+                "mongodb/mongodb": "Allow sending log messages to a MongoDB server via PHP Driver",
+                "php-amqplib/php-amqplib": "Allow sending log messages to an AMQP server using php-amqplib",
+                "php-console/php-console": "Allow sending log messages to Google Chrome",
+                "rollbar/rollbar": "Allow sending log messages to Rollbar",
+                "ruflin/elastica": "Allow sending log messages to an Elastic Search server",
+                "sentry/sentry": "Allow sending log messages to a Sentry server"
             },
             "type": "library",
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-                    "dev-master": "1.7-dev"
+                    "dev-master": "2.0.x-dev"
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             "autoload": {
                 "psr-4": {
-                    "Symfony\\Polyfill\\Mbstring\\": ""
-                },
-                "files": [
-                    "bootstrap.php"
-                ]
+                    "Monolog\\": "src/Monolog"
+                }
             },
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@@ -364,74 +512,45 @@
             ],
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-                    "email": "p@tchwork.com"
-                },
-                {
-                    "name": "Symfony Community",
-                    "homepage": "https://symfony.com/contributors"
+                    "name": "Jordi Boggiano",
+                    "email": "j.boggiano@seld.be",
+                    "homepage": "http://seld.be"
                 }
             ],
-            "description": "Symfony polyfill for the Mbstring extension",
-            "homepage": "https://symfony.com",
+            "description": "Sends your logs to files, sockets, inboxes, databases and various web services",
+            "homepage": "http://github.com/Seldaek/monolog",
             "keywords": [
-                "compatibility",
-                "mbstring",
-                "polyfill",
-                "portable",
-                "shim"
+                "log",
+                "logging",
+                "psr-3"
             ],
-            "time": "2018-01-30T19:27:44+00:00"
+            "time": "2017-06-19T01:22:40+00:00"
         },
         {
-            "name": "symfony/translation",
-            "version": "v3.4.4",
+            "name": "mtdowling/cron-expression",
+            "version": "v1.2.1",
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-                "url": "https://github.com/symfony/translation.git",
-                "reference": "10b32cf0eae28b9b39fe26c456c42b19854c4b84"
+                "url": "https://github.com/mtdowling/cron-expression.git",
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-            },
-            "conflict": {
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-                "symfony/dependency-injection": "<3.4",
-                "symfony/yaml": "<3.4"
+                "php": ">=5.3.2"
             },
             "require-dev": {
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-                "symfony/config": "~2.8|~3.0|~4.0",
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-                "symfony/finder": "~2.8|~3.0|~4.0",
-                "symfony/intl": "^2.8.18|^3.2.5|~4.0",
-                "symfony/yaml": "~3.4|~4.0"
-            },
-            "suggest": {
-                "psr/log": "To use logging capability in translator",
-                "symfony/config": "",
-                "symfony/yaml": ""
+                "phpunit/phpunit": "~4.0|~5.0"
             },
             "type": "library",
-            "extra": {
-                "branch-alias": {
-                    "dev-master": "3.4-dev"
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             "autoload": {
                 "psr-4": {
-                    "Symfony\\Component\\Translation\\": ""
-                },
-                "exclude-from-classmap": [
-                    "/Tests/"
-                ]
+                    "Cron\\": "src/Cron/"
+                }
             },
             "notification-url": "https://packagist.org/downloads/",
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@@ -439,53 +558,49 @@
             ],
             "authors": [
                 {
-                    "name": "Fabien Potencier",
-                    "email": "fabien@symfony.com"
-                },
-                {
-                    "name": "Symfony Community",
-                    "homepage": "https://symfony.com/contributors"
+                    "name": "Michael Dowling",
+                    "email": "mtdowling@gmail.com",
+                    "homepage": "https://github.com/mtdowling"
                 }
             ],
-            "description": "Symfony Translation Component",
-            "homepage": "https://symfony.com",
-            "time": "2018-01-18T22:16:57+00:00"
-        }
-    ],
-    "packages-dev": [
+            "description": "CRON for PHP: Calculate the next or previous run date and determine if a CRON expression is due",
+            "keywords": [
+                "cron",
+                "schedule"
+            ],
+            "time": "2017-01-23T04:29:33+00:00"
+        },
         {
-            "name": "doctrine/instantiator",
-            "version": "1.1.0",
+            "name": "nesbot/carbon",
+            "version": "1.22.1",
             "source": {
                 "type": "git",
-                "url": "https://github.com/doctrine/instantiator.git",
-                "reference": "185b8868aa9bf7159f5f953ed5afb2d7fcdc3bda"
+                "url": "https://github.com/briannesbitt/Carbon.git",
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-                "php": "^7.1"
+                "php": ">=5.3.0",
+                "symfony/translation": "~2.6 || ~3.0"
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-                "ext-pdo": "*",
-                "ext-phar": "*",
-                "phpunit/phpunit": "^6.2.3",
-                "squizlabs/php_codesniffer": "^3.0.2"
+                "friendsofphp/php-cs-fixer": "~2",
+                "phpunit/phpunit": "~4.0 || ~5.0"
             },
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "1.2.x-dev"
+                    "dev-master": "1.23-dev"
                 }
             },
             "autoload": {
                 "psr-4": {
-                    "Doctrine\\Instantiator\\": "src/Doctrine/Instantiator/"
+                    "Carbon\\": "src/Carbon/"
                 }
             },
             "notification-url": "https://packagist.org/downloads/",
@@ -494,19 +609,1364 @@
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             "authors": [
                 {
-                    "name": "Marco Pivetta",
-                    "email": "ocramius@gmail.com",
-                    "homepage": "http://ocramius.github.com/"
+                    "name": "Brian Nesbitt",
+                    "email": "brian@nesbot.com",
+                    "homepage": "http://nesbot.com"
                 }
             ],
-            "description": "A small, lightweight utility to instantiate objects in PHP without invoking their constructors",
-            "homepage": "https://github.com/doctrine/instantiator",
+            "description": "A simple API extension for DateTime.",
+            "homepage": "http://carbon.nesbot.com",
             "keywords": [
-                "constructor",
-                "instantiate"
+                "date",
+                "datetime",
+                "time"
+            ],
+            "time": "2017-01-16T07:55:07+00:00"
+        },
+        {
+            "name": "paragonie/random_compat",
+            "version": "v2.0.11",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/paragonie/random_compat.git",
+                "reference": "5da4d3c796c275c55f057af5a643ae297d96b4d8"
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+                "phpunit/phpunit": "4.*|5.*"
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+            "suggest": {
+                "ext-libsodium": "Provides a modern crypto API that can be used to generate random bytes."
+            },
+            "type": "library",
+            "autoload": {
+                "files": [
+                    "lib/random.php"
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+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
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+            "authors": [
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+                    "name": "Paragon Initiative Enterprises",
+                    "email": "security@paragonie.com",
+                    "homepage": "https://paragonie.com"
+                }
+            ],
+            "description": "PHP 5.x polyfill for random_bytes() and random_int() from PHP 7",
+            "keywords": [
+                "csprng",
+                "pseudorandom",
+                "random"
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+            "time": "2017-09-27T21:40:39+00:00"
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+            "version": "1.0.0",
+            "source": {
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+                "url": "https://github.com/php-fig/container.git",
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+                "reference": "8773a9d52715f1a579576ce0e60213de34f5ef3e",
+                "shasum": ""
+            },
+            "require": {
+                "php": "^5.5.9|>=7.0.8"
+            },
+            "conflict": {
+                "symfony/config": "<2.8",
+                "symfony/dependency-injection": "<3.3",
+                "symfony/yaml": "<3.4"
+            },
+            "require-dev": {
+                "doctrine/annotations": "~1.0",
+                "doctrine/common": "~2.2",
+                "psr/log": "~1.0",
+                "symfony/config": "~2.8|~3.0|~4.0",
+                "symfony/dependency-injection": "~3.3|~4.0",
+                "symfony/expression-language": "~2.8|~3.0|~4.0",
+                "symfony/http-foundation": "~2.8|~3.0|~4.0",
+                "symfony/yaml": "~3.4|~4.0"
+            },
+            "suggest": {
+                "doctrine/annotations": "For using the annotation loader",
+                "symfony/config": "For using the all-in-one router or any loader",
+                "symfony/dependency-injection": "For loading routes from a service",
+                "symfony/expression-language": "For using expression matching",
+                "symfony/http-foundation": "For using a Symfony Request object",
+                "symfony/yaml": "For using the YAML loader"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "3.4-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "Symfony\\Component\\Routing\\": ""
+                },
+                "exclude-from-classmap": [
+                    "/Tests/"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Fabien Potencier",
+                    "email": "fabien@symfony.com"
+                },
+                {
+                    "name": "Symfony Community",
+                    "homepage": "https://symfony.com/contributors"
+                }
+            ],
+            "description": "Symfony Routing Component",
+            "homepage": "https://symfony.com",
+            "keywords": [
+                "router",
+                "routing",
+                "uri",
+                "url"
+            ],
+            "time": "2018-02-28T21:49:22+00:00"
+        },
+        {
+            "name": "symfony/translation",
+            "version": "v3.4.4",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/symfony/translation.git",
+                "reference": "10b32cf0eae28b9b39fe26c456c42b19854c4b84"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/symfony/translation/zipball/10b32cf0eae28b9b39fe26c456c42b19854c4b84",
+                "reference": "10b32cf0eae28b9b39fe26c456c42b19854c4b84",
+                "shasum": ""
+            },
+            "require": {
+                "php": "^5.5.9|>=7.0.8",
+                "symfony/polyfill-mbstring": "~1.0"
+            },
+            "conflict": {
+                "symfony/config": "<2.8",
+                "symfony/dependency-injection": "<3.4",
+                "symfony/yaml": "<3.4"
+            },
+            "require-dev": {
+                "psr/log": "~1.0",
+                "symfony/config": "~2.8|~3.0|~4.0",
+                "symfony/dependency-injection": "~3.4|~4.0",
+                "symfony/finder": "~2.8|~3.0|~4.0",
+                "symfony/intl": "^2.8.18|^3.2.5|~4.0",
+                "symfony/yaml": "~3.4|~4.0"
+            },
+            "suggest": {
+                "psr/log": "To use logging capability in translator",
+                "symfony/config": "",
+                "symfony/yaml": ""
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "3.4-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "Symfony\\Component\\Translation\\": ""
+                },
+                "exclude-from-classmap": [
+                    "/Tests/"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Fabien Potencier",
+                    "email": "fabien@symfony.com"
+                },
+                {
+                    "name": "Symfony Community",
+                    "homepage": "https://symfony.com/contributors"
+                }
+            ],
+            "description": "Symfony Translation Component",
+            "homepage": "https://symfony.com",
+            "time": "2018-01-18T22:16:57+00:00"
+        },
+        {
+            "name": "symfony/var-dumper",
+            "version": "v3.4.6",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/symfony/var-dumper.git",
+                "reference": "80964679d81da3d5618519e0e4be488c3d7ecd7d"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/symfony/var-dumper/zipball/80964679d81da3d5618519e0e4be488c3d7ecd7d",
+                "reference": "80964679d81da3d5618519e0e4be488c3d7ecd7d",
+                "shasum": ""
+            },
+            "require": {
+                "php": "^5.5.9|>=7.0.8",
+                "symfony/polyfill-mbstring": "~1.0"
+            },
+            "conflict": {
+                "phpunit/phpunit": "<4.8.35|<5.4.3,>=5.0"
+            },
+            "require-dev": {
+                "ext-iconv": "*",
+                "twig/twig": "~1.34|~2.4"
+            },
+            "suggest": {
+                "ext-iconv": "To convert non-UTF-8 strings to UTF-8 (or symfony/polyfill-iconv in case ext-iconv cannot be used).",
+                "ext-intl": "To show region name in time zone dump",
+                "ext-symfony_debug": ""
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "3.4-dev"
+                }
+            },
+            "autoload": {
+                "files": [
+                    "Resources/functions/dump.php"
+                ],
+                "psr-4": {
+                    "Symfony\\Component\\VarDumper\\": ""
+                },
+                "exclude-from-classmap": [
+                    "/Tests/"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Nicolas Grekas",
+                    "email": "p@tchwork.com"
+                },
+                {
+                    "name": "Symfony Community",
+                    "homepage": "https://symfony.com/contributors"
+                }
+            ],
+            "description": "Symfony mechanism for exploring and dumping PHP variables",
+            "homepage": "https://symfony.com",
+            "keywords": [
+                "debug",
+                "dump"
+            ],
+            "time": "2018-02-22T17:29:24+00:00"
+        },
+        {
+            "name": "tijsverkoyen/css-to-inline-styles",
+            "version": "2.2.1",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/tijsverkoyen/CssToInlineStyles.git",
+                "reference": "0ed4a2ea4e0902dac0489e6436ebcd5bbcae9757"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/tijsverkoyen/CssToInlineStyles/zipball/0ed4a2ea4e0902dac0489e6436ebcd5bbcae9757",
+                "reference": "0ed4a2ea4e0902dac0489e6436ebcd5bbcae9757",
+                "shasum": ""
+            },
+            "require": {
+                "php": "^5.5 || ^7.0",
+                "symfony/css-selector": "^2.7 || ^3.0 || ^4.0"
+            },
+            "require-dev": {
+                "phpunit/phpunit": "^4.8.35 || ^5.7 || ^6.0"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "2.2.x-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "TijsVerkoyen\\CssToInlineStyles\\": "src"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "BSD-3-Clause"
+            ],
+            "authors": [
+                {
+                    "name": "Tijs Verkoyen",
+                    "email": "css_to_inline_styles@verkoyen.eu",
+                    "role": "Developer"
+                }
+            ],
+            "description": "CssToInlineStyles is a class that enables you to convert HTML-pages/files into HTML-pages/files with inline styles. This is very useful when you're sending emails.",
+            "homepage": "https://github.com/tijsverkoyen/CssToInlineStyles",
+            "time": "2017-11-27T11:13:29+00:00"
+        },
+        {
+            "name": "vlucas/phpdotenv",
+            "version": "v2.4.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/vlucas/phpdotenv.git",
+                "reference": "3cc116adbe4b11be5ec557bf1d24dc5e3a21d18c"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/vlucas/phpdotenv/zipball/3cc116adbe4b11be5ec557bf1d24dc5e3a21d18c",
+                "reference": "3cc116adbe4b11be5ec557bf1d24dc5e3a21d18c",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=5.3.9"
+            },
+            "require-dev": {
+                "phpunit/phpunit": "^4.8 || ^5.0"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "2.4-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "Dotenv\\": "src/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "BSD-3-Clause-Attribution"
+            ],
+            "authors": [
+                {
+                    "name": "Vance Lucas",
+                    "email": "vance@vancelucas.com",
+                    "homepage": "http://www.vancelucas.com"
+                }
+            ],
+            "description": "Loads environment variables from `.env` to `getenv()`, `$_ENV` and `$_SERVER` automagically.",
+            "keywords": [
+                "dotenv",
+                "env",
+                "environment"
+            ],
+            "time": "2016-09-01T10:05:43+00:00"
+        }
+    ],
+    "packages-dev": [
+        {
+            "name": "doctrine/instantiator",
+            "version": "1.1.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/doctrine/instantiator.git",
+                "reference": "185b8868aa9bf7159f5f953ed5afb2d7fcdc3bda"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/doctrine/instantiator/zipball/185b8868aa9bf7159f5f953ed5afb2d7fcdc3bda",
+                "reference": "185b8868aa9bf7159f5f953ed5afb2d7fcdc3bda",
+                "shasum": ""
+            },
+            "require": {
+                "php": "^7.1"
+            },
+            "require-dev": {
+                "athletic/athletic": "~0.1.8",
+                "ext-pdo": "*",
+                "ext-phar": "*",
+                "phpunit/phpunit": "^6.2.3",
+                "squizlabs/php_codesniffer": "^3.0.2"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "1.2.x-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "Doctrine\\Instantiator\\": "src/Doctrine/Instantiator/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Marco Pivetta",
+                    "email": "ocramius@gmail.com",
+                    "homepage": "http://ocramius.github.com/"
+                }
+            ],
+            "description": "A small, lightweight utility to instantiate objects in PHP without invoking their constructors",
+            "homepage": "https://github.com/doctrine/instantiator",
+            "keywords": [
+                "constructor",
+                "instantiate"
             ],
             "time": "2017-07-22T11:58:36+00:00"
         },
+        {
+            "name": "fzaninotto/faker",
+            "version": "v1.7.1",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/fzaninotto/Faker.git",
+                "reference": "d3ed4cc37051c1ca52d22d76b437d14809fc7e0d"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/fzaninotto/Faker/zipball/d3ed4cc37051c1ca52d22d76b437d14809fc7e0d",
+                "reference": "d3ed4cc37051c1ca52d22d76b437d14809fc7e0d",
+                "shasum": ""
+            },
+            "require": {
+                "php": "^5.3.3 || ^7.0"
+            },
+            "require-dev": {
+                "ext-intl": "*",
+                "phpunit/phpunit": "^4.0 || ^5.0",
+                "squizlabs/php_codesniffer": "^1.5"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "1.8-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "Faker\\": "src/Faker/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "François Zaninotto"
+                }
+            ],
+            "description": "Faker is a PHP library that generates fake data for you.",
+            "keywords": [
+                "data",
+                "faker",
+                "fixtures"
+            ],
+            "time": "2017-08-15T16:48:10+00:00"
+        },
         {
             "name": "myclabs/deep-copy",
             "version": "1.7.0",
@@ -552,6 +2012,128 @@
             ],
             "time": "2017-10-19T19:58:43+00:00"
         },
+        {
+            "name": "orchestra/testbench",
+            "version": "v3.5.5",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/orchestral/testbench.git",
+                "reference": "fd032489df469d611a264083e62db96677c9061e"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/orchestral/testbench/zipball/fd032489df469d611a264083e62db96677c9061e",
+                "reference": "fd032489df469d611a264083e62db96677c9061e",
+                "shasum": ""
+            },
+            "require": {
+                "laravel/framework": "~5.5.34",
+                "orchestra/testbench-core": "~3.5.9",
+                "php": ">=7.0",
+                "phpunit/phpunit": "~6.0"
+            },
+            "require-dev": {
+                "mockery/mockery": "~1.0",
+                "orchestra/database": "~3.5.0"
+            },
+            "suggest": {
+                "orchestra/testbench-browser-kit": "Allow to use legacy BrowserKit for testing (~3.5)."
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "3.5-dev"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Mior Muhammad Zaki",
+                    "email": "crynobone@gmail.com",
+                    "homepage": "https://github.com/crynobone"
+                }
+            ],
+            "description": "Laravel Testing Helper for Packages Development",
+            "homepage": "http://orchestraplatform.com/docs/latest/components/testbench/",
+            "keywords": [
+                "BDD",
+                "TDD",
+                "laravel",
+                "orchestra-platform",
+                "orchestral",
+                "testing"
+            ],
+            "time": "2018-02-20T05:30:39+00:00"
+        },
+        {
+            "name": "orchestra/testbench-core",
+            "version": "v3.5.10",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/orchestral/testbench-core.git",
+                "reference": "09a57dc446a24fd19a75ff57b679b86094251f8e"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/orchestral/testbench-core/zipball/09a57dc446a24fd19a75ff57b679b86094251f8e",
+                "reference": "09a57dc446a24fd19a75ff57b679b86094251f8e",
+                "shasum": ""
+            },
+            "require": {
+                "fzaninotto/faker": "~1.4",
+                "php": ">=7.0"
+            },
+            "require-dev": {
+                "laravel/framework": "~5.5.0",
+                "mockery/mockery": "~1.0",
+                "orchestra/database": "~3.5.0",
+                "phpunit/phpunit": "~6.0"
+            },
+            "suggest": {
+                "laravel/framework": "Required for testing (~5.5.0).",
+                "mockery/mockery": "Allow to use Mockery for testing (~1.0).",
+                "orchestra/database": "Allow to use --realpath migration for testing (~3.5).",
+                "orchestra/testbench-browser-kit": "Allow to use legacy BrowserKit for testing (~3.5).",
+                "orchestra/testbench-dusk": "Allow to use Laravel Dusk for testing (~3.5).",
+                "phpunit/phpunit": "Allow to use PHPUnit for testing (~6.0)."
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "3.5-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "Orchestra\\Testbench\\": "src/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Mior Muhammad Zaki",
+                    "email": "crynobone@gmail.com",
+                    "homepage": "https://github.com/crynobone"
+                }
+            ],
+            "description": "Testing Helper for Laravel Development",
+            "homepage": "http://orchestraplatform.com/docs/latest/components/testbench/",
+            "keywords": [
+                "BDD",
+                "TDD",
+                "laravel",
+                "orchestra-platform",
+                "orchestral",
+                "testing"
+            ],
+            "time": "2018-03-13T02:35:58+00:00"
+        },
         {
             "name": "phar-io/manifest",
             "version": "1.0.1",
diff --git a/config/subresource-integrity.php b/config/subresource-integrity.php
index c27d4be..e9d55db 100644
--- a/config/subresource-integrity.php
+++ b/config/subresource-integrity.php
@@ -4,4 +4,10 @@
     'base_path' => base_path('public'),
 
     'algorithm' => env('SRI_ALGORITHM', 'sha256'),
+
+    'mix_sri_path' => public_path('mix_sri.json'),
+
+    'hashes' => [
+        //
+    ]
 ];
diff --git a/src/Sri.php b/src/Sri.php
index 5b75966..201cdfd 100644
--- a/src/Sri.php
+++ b/src/Sri.php
@@ -31,29 +31,52 @@ public function html(string $path, bool $useCredentials = false): string
 
     public function hash(string $path): string
     {
-        if (file_exists(public_path('mix-sri.json'))) {
-            $json = json_decode(file_get_contents(public_path('mix-sri.json')));
+        if ($this->existsInConfigFile($path)) {
+            return config('subresource-integrity.hashes')[$path];
+        }
 
-            $tmpPath = starts_with($path, '/') ? $path : "/{$path}";
+        if ($this->mixFileExists()) {
+            $json = json_decode(file_get_contents($this->jsonFilePath()));
+            $prefixedPath = starts_with($path, '/') ? $path : "/{$path}";
 
-            if (array_key_exists($tmpPath, $json)) {
-                return $json->$tmpPath;
+            if (array_key_exists($prefixedPath, $json)) {
+                return $json->$prefixedPath;
             }
         }
 
+        $hash = hash($this->algorithm, $this->getFileContent($path), true);
+        $base64Hash = base64_encode($hash);
+
+        return "{$this->algorithm}-{$base64Hash}";
+    }
+
+    private function existsInConfigFile(string $path): bool
+    {
+        return array_key_exists($path, config('subresource-integrity.hashes'));
+    }
+
+    private function mixFileExists(): bool
+    {
+        return file_exists($this->jsonFilePath());
+    }
+
+    private function getFileContent(string $path): string
+    {
         if (starts_with($path, ['http', 'https', '//'])) {
             $fileContent = file_get_contents($path);
         } else {
-            $fileContent = file_get_contents(config('subresource-integrity.base_path')."/{$path}");
+            $fileContent = file_get_contents(config('subresource-integrity.base_path') . "/{$path}");
         }
 
-        if (! $fileContent) {
+        if (!$fileContent) {
             throw new \Exception('file not found');
         }
 
-        $hash = hash($this->algorithm, $fileContent, true);
-        $base64Hash = base64_encode($hash);
+        return $fileContent;
+    }
 
-        return "{$this->algorithm}-{$base64Hash}";
+    private function jsonFilePath(): string
+    {
+        return config('subresource-integrity.mix_sri_path');
     }
 }
diff --git a/src/SriServiceProvider.php b/src/SriServiceProvider.php
index 42a88c9..1694f10 100644
--- a/src/SriServiceProvider.php
+++ b/src/SriServiceProvider.php
@@ -10,7 +10,7 @@ class SriServiceProvider extends ServiceProvider
     public function register()
     {
         $this->app->singleton(Sri::class, function () {
-            return new Sri(config('sri.algorithm'));
+            return new Sri(config('subresource-integrity.algorithm'));
         });
 
         $this->app->alias(Sri::class, 'sri');
diff --git a/tests/GenerateSriHashTest.php b/tests/GenerateSriHashTest.php
new file mode 100644
index 0000000..d037712
--- /dev/null
+++ b/tests/GenerateSriHashTest.php
@@ -0,0 +1,70 @@
+<?php
+
+namespace Elhebert\SubresourceIntegrity\Tests;
+
+use Elhebert\SubresourceIntegrity\SriFacade as Sri;
+
+class GenerateSriHashTest extends TestCase
+{
+    /** @test */
+    public function it_throws_an_exception_if_has_no_content()
+    {
+        $this->expectExceptionMessage('file not found');
+        Sri::hash('');
+    }
+
+    /** @test */
+    public function it_correctly_hash_the_content_of_a_file()
+    {
+        config([
+            'subresource-integrity.base_path' => './tests/'
+        ]);
+
+        $hash = hash('sha256', file_get_contents('./tests/files/app.css'), true);
+        $base64Hash = base64_encode($hash);
+
+        $this->assertEquals("sha256-{$base64Hash}", Sri::hash('files/app.css'));
+    }
+
+    /** @test */
+    public function it_fallback_to_sha256_when_incorrect_algorithm_is_given()
+    {
+        config([
+            'subresource-integrity.base_path' => './tests/',
+            'subresource-integrity.algorithm' => 'invalid-algorithm'
+        ]);
+
+        $hash = hash('sha256', file_get_contents('./tests/files/app.css'), true);
+        $base64Hash = base64_encode($hash);
+
+        $this->assertContains("sha256", Sri::hash('files/app.css', true));
+    }
+
+    /** @test */
+    public function it_can_hash_using_sha384()
+    {
+        config([
+            'subresource-integrity.base_path' => './tests/',
+            'subresource-integrity.algorithm' => 'sha384'
+        ]);
+
+        $hash = hash('sha384', file_get_contents('./tests/files/app.css'), true);
+        $base64Hash = base64_encode($hash);
+
+        $this->assertEquals("sha384-{$base64Hash}", Sri::hash('files/app.css'));
+    }
+
+    /** @test */
+    public function it_can_hash_using_sha512()
+    {
+        config([
+            'subresource-integrity.base_path' => './tests/',
+            'subresource-integrity.algorithm' => 'sha512'
+        ]);
+
+        $hash = hash('sha512', file_get_contents('./tests/files/app.css'), true);
+        $base64Hash = base64_encode($hash);
+
+        $this->assertEquals("sha512-{$base64Hash}", Sri::hash('files/app.css'));
+    }
+}
diff --git a/tests/GenerateSriHtmlTest.php b/tests/GenerateSriHtmlTest.php
new file mode 100644
index 0000000..839e1bc
--- /dev/null
+++ b/tests/GenerateSriHtmlTest.php
@@ -0,0 +1,42 @@
+<?php
+
+namespace Elhebert\SubresourceIntegrity\Tests;
+
+use Elhebert\SubresourceIntegrity\SriFacade as Sri;
+
+
+class GenerateSriHtmlTest extends TestCase
+{
+    /** @test */
+    public function it_returns_an_empty_string_when_the_hash_fails()
+    {
+        $this->assertEquals('', Sri::html(''));
+    }
+
+    /** @test */
+    public function it_generates_html_code_with_integrity()
+    {
+        config([
+            'subresource-integrity.base_path' => './tests/'
+        ]);
+
+        $hash = hash('sha256', file_get_contents('./tests/files/app.css'), true);
+        $base64Hash = base64_encode($hash);
+
+        $this->assertContains("integrity=sha256-{$base64Hash}", Sri::html('files/app.css'));
+    }
+
+    /** @test */
+    public function it_generate_html_code_with_credentials_and_integrity()
+    {
+        config([
+            'subresource-integrity.base_path' => './tests/'
+        ]);
+
+        $hash = hash('sha256', file_get_contents('./tests/files/app.css'), true);
+        $base64Hash = base64_encode($hash);
+
+        $this->assertContains("integrity=sha256-{$base64Hash}", Sri::html('files/app.css', true));
+        $this->assertContains("crossorigin=use-credentials", Sri::html('files/app.css', true));
+    }
+}
diff --git a/tests/ReadHashFromConfigTest.php b/tests/ReadHashFromConfigTest.php
new file mode 100644
index 0000000..6662c0b
--- /dev/null
+++ b/tests/ReadHashFromConfigTest.php
@@ -0,0 +1,36 @@
+<?php
+
+namespace Elhebert\SubresourceIntegrity\Tests;
+
+use Elhebert\SubresourceIntegrity\SriFacade as Sri;
+
+class ReadHashFromConfig extends TestCase
+{
+    /** @test */
+    public function it_correctly_read_a_hash_from_the_config()
+    {
+        config([
+            'subresource-integrity.hashes' => [
+                'css/app.css' => 'this-hash-is-valid',
+            ]
+        ]);
+
+        $this->assertEquals('this-hash-is-valid', Sri::hash('css/app.css'));
+    }
+
+    /** @test */
+    public function it_fallback_to_generating_to_hash_if_not_present_in_the_config()
+    {
+        config([
+            'subresource-integrity.base_path' => './tests/',
+            'subresource-integrity.hashes' => [
+                'css/app.css' => 'this-hash-is-valid',
+            ]
+        ]);
+
+        $hash = hash('sha256', file_get_contents('./tests/files/app.css'), true);
+        $base64Hash = base64_encode($hash);
+
+        $this->assertEquals("sha256-{$base64Hash}", Sri::hash('files/app.css', true));
+    }
+}
diff --git a/tests/ReadHashFromMixSriTest.php b/tests/ReadHashFromMixSriTest.php
new file mode 100644
index 0000000..5bb66da
--- /dev/null
+++ b/tests/ReadHashFromMixSriTest.php
@@ -0,0 +1,46 @@
+<?php
+
+namespace Elhebert\SubresourceIntegrity\Tests;
+
+use Elhebert\SubresourceIntegrity\SriFacade as Sri;
+
+class ReadHashFromMixSri extends TestCase
+{
+    /** @test */
+    public function it_correctly_read_a_hash_from_the_mix_sri_file()
+    {
+        config([
+            'subresource-integrity.mix_sri_path' => './tests/files/mix-sri.json',
+        ]);
+
+        $this->assertEquals('this-hash-is-valid', Sri::hash('css/app.css'));
+    }
+
+    /** @test */
+    public function it_fallback_to_generating_to_hash_if_mix_sri_file_does_not_exists()
+    {
+        config([
+            'subresource-integrity.base_path' => './tests/',
+            'subresource-integrity.mix_sri_path' => './tests/files/mix.json'
+        ]);
+
+        $hash = hash('sha256', file_get_contents('./tests/files/app.css'), true);
+        $base64Hash = base64_encode($hash);
+
+        $this->assertEquals("sha256-{$base64Hash}", Sri::hash('files/app.css', true));
+    }
+
+    /** @test */
+    public function it_fallback_to_generating_to_hash_if_not_present_in_the_mix_sri_file()
+    {
+        config([
+            'subresource-integrity.base_path' => './tests/',
+            'subresource-integrity.mix_sri_path' => './tests/files/mix-sri.json'
+        ]);
+
+        $hash = hash('sha256', file_get_contents('./tests/files/app.css'), true);
+        $base64Hash = base64_encode($hash);
+
+        $this->assertEquals("sha256-{$base64Hash}", Sri::hash('files/app.css', true));
+    }
+}
diff --git a/tests/SriTest.php b/tests/SriTest.php
deleted file mode 100644
index ebce5e5..0000000
--- a/tests/SriTest.php
+++ /dev/null
@@ -1,74 +0,0 @@
-<?php
-
-namespace Elhebert\SubresourceIntegrity;
-
-use PHPUnit\Framework\TestCase;
-
-function file_get_contents(string $path): ?string
-{
-    if ($path === '' || $path === 'path/') {
-        return null;
-    }
-
-    if ($path === './tests/mix-sri.json') {
-        return '{"/css/app.css": "my-hash"}';
-    }
-
-    return $path;
-}
-
-function config(string $key): string
-{
-    return 'path';
-}
-
-function public_path(string $path) : string
-{
-    return "./tests/{$path}";
-}
-
-class SriTest extends TestCase
-{
-    /**
-     * @test
-     */
-    public function it_throws_an_exception_if_has_no_content()
-    {
-        $sri = new Sri('sha256');
-
-        $this->expectExceptionMessage('file not found');
-        $sri->hash('');
-    }
-
-    /**
-     * @test
-     */
-    public function it_returns_an_empty_string_when_the_hash_fails()
-    {
-        $sri = new Sri('sha256');
-
-        $this->assertEquals('', $sri->html(''));
-    }
-
-    /**
-     * @test
-     */
-    public function it_generates_html_code_with_integrity()
-    {
-        $sri = new Sri('sha256');
-
-        $hash = hash('sha256', 'http://test.css', true);
-        $base64Hash = base64_encode($hash);
-
-        $this->assertContains($base64Hash, $sri->html('http://test.css'));
-    }
-
-    /**
-     * @test
-     */
-    public function it_read_the_hash_from_mix_sri_file_if_the_file_exists()
-    {
-        $sri = new Sri('sha256');
-        $this->assertContains('my-hash', $sri->hash('css/app.css'));
-    }
-}
diff --git a/tests/TestCase.php b/tests/TestCase.php
new file mode 100644
index 0000000..c1f2f9c
--- /dev/null
+++ b/tests/TestCase.php
@@ -0,0 +1,16 @@
+<?php
+
+namespace Elhebert\SubresourceIntegrity\Tests;
+
+use Orchestra\Testbench\TestCase as Orchestra;
+use Elhebert\SubresourceIntegrity\SriServiceProvider;
+
+abstract class TestCase extends Orchestra
+{
+    protected function getPackageProviders($app)
+    {
+        return [
+            SriServiceProvider::class,
+        ];
+    }
+}
diff --git a/tests/files/app.css b/tests/files/app.css
new file mode 100644
index 0000000..de25b29
--- /dev/null
+++ b/tests/files/app.css
@@ -0,0 +1,3 @@
+body {
+  background-color: #fff;
+}
diff --git a/tests/files/mix-sri.json b/tests/files/mix-sri.json
new file mode 100644
index 0000000..5aa600c
--- /dev/null
+++ b/tests/files/mix-sri.json
@@ -0,0 +1,3 @@
+{
+    "/css/app.css" : "this-hash-is-valid"
+}
diff --git a/tests/mix-sri.json b/tests/mix-sri.json
deleted file mode 100644
index e69de29..0000000