diff --git a/README.md b/README.md
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diff --git a/paybox_api/__init__.py b/paybox_api/__init__.py
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+++ b/paybox_api/__init__.py
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+import hashlib
+import random
+import string
+
+from functools import wraps
+from urllib.parse import parse_qs
+
+from django.conf import settings
+
+from requests import Request
+
+
+class PayboxAPI:
+    """
+    100 'Некорректная подпись запроса *'
+    101 'Неверный номер магазина''
+    110 'Отсутствует или не действует контракт с магазином'
+    120 'Запрошенное действие отключено в настройках магазина''
+    200 'Не хватает или некорректный параметр запроса'
+    340 'Транзакция не найдена'
+    350 'Транзакция заблокирована'
+    360 'Транзакция просрочена'
+    365 'Срок жизни рекуррентного профиля истек'
+    400 'Платеж отменен покупателем или платежной системой'
+    420 'Платеж отменен по причине превышения лимита'
+    465 'Ошибка связи с платежной системой'
+    466 'Истек SSL сертификат'
+    470 'Ошибка на стороне платежной системы'
+    475 'Общий сбой платежной системы'
+    490 'Отмена платежа невозможна'
+    600 'Общая ошибка'
+    700 'Ошибка в данных введенных покупателем'
+    701 'Некорректный номер телефона'
+    711 'Номер телефона неприемлем для выбранной ПС'
+    850 'Ни одна из платежных систем не готова принять запрос'
+    1000 'Внутренняя ошибка сервиса (может не повториться при повторном обращении)'
+    """
+    def __init__(self, *args, **kwargs):
+        self.PG_URL = kwargs.pop('pg_url', None) or getattr(settings, 'PG_URL', '')
+        self.PG_SECRET = kwargs.pop('pg_secret', None) or getattr(settings, 'PG_SECRET', '')
+        self.PG_MERCHANT_ID = kwargs.pop('pg_merchant_id', None) or getattr(settings, 'PG_MERCHANT_ID', '')
+        self.PG_TESTING_MODE = kwargs.pop('pg_testing', None) or getattr(settings, 'PG_TESTING_MODE', '')
+        self.PG_RESULT_URL = kwargs.pop('pg_result_url', None) or getattr(settings, 'PG_RESULT_URL', '')
+        self.PG_SUCCESS_URL = kwargs.pop('pg_success_url', None) or getattr(settings, 'PG_SUCCESS_URL', '')
+        self.PG_CHECK_URL = kwargs.pop('pg_check_url', None) or getattr(settings, 'PG_CHECK_URL', '')
+        self.PG_REFUND_URL = kwargs.pop('pg_refund_url', None) or getattr(settings, 'PG_REFUND_URL', '')
+        self.PG_CAPTURE_URL = kwargs.pop('pg_capture_url', None) or getattr(settings, 'PG_CAPTURE_URL', '')
+        self.PG_FAILURE_URL = kwargs.pop('pg_failure_url', None) or getattr(settings, 'PG_FAILURE_URL', '')
+
+    @staticmethod
+    def parse_body(body):
+        body = body.decode('utf-8')
+        body = parse_qs(body)
+        for k, v in body.items():
+            body[k] = v[0]
+        return body
+
+    def get_sig(self, mydict, url='payment.php'):
+        new_list = list()
+        for key in sorted(mydict.keys()):
+            new_list.append(str(mydict[key]))
+        res = url + ';' + ';'.join(new_list) + ';' + self.PG_SECRET
+        hashed = hashlib.md5(res.encode('utf-8')).hexdigest()
+        return hashed
+
+    @staticmethod
+    def verify_sig(request, url=''):
+        if request.method == 'GET':
+            sig = request.GET.get('pg_sig')
+            my_dict = request.GET.dict()
+        else:
+            my_dict = PayboxAPI.parse_body(request.body)
+            sig = my_dict.pop('pg_sig', None)
+        if sig != PayboxAPI().get_sig(my_dict, url=url):
+            return False
+        return True
+
+    @staticmethod
+    def verify_paybox():
+        def decorator(func):
+            @wraps(func)
+            def inner(request, *args, **kwargs):
+                if not PayboxAPI.verify_sig(request):
+                    raise Exception(detail='Неправильная подпись')
+                response = func(request, *args, **kwargs)
+                return response
+            return inner
+        return decorator
+
+    @staticmethod
+    def generate_salt(length=8):
+        chars = string.ascii_letters + string.digits
+        rnd = random.SystemRandom()
+        return ''.join(rnd.choice(chars) for _ in range(length))
+
+    def get_url(self, order_id, amount, description, salt, email=None, phone=None):
+        params = {
+            'pg_order_id': order_id,
+            'pg_merchant_id': self.PG_MERCHANT_ID,
+            'pg_amount': amount,
+            'pg_currency': 'KZT',
+            'pg_description': description,
+            'pg_salt': salt,
+            'pg_testing_mode': self.PG_TESTING_MODE,
+            'pg_request_method': 'POST',
+            'pg_success_url_method': 'POST',
+            'pg_failure_url_method': 'POST',
+            'pg_result_url': self.PG_RESULT_URL,
+            'pg_success_url': self.PG_SUCCESS_URL,
+            'pg_check_url': self.PG_CHECK_URL,
+            'pg_refund_url': self.PG_REFUND_URL,
+            'pg_capture_url': self.PG_CAPTURE_URL,
+            'pg_failure_url': self.PG_FAILURE_URL,
+        }
+
+        if email:
+            params['pg_user_contact_email'] = email
+
+        if phone:
+            params['pg_user_phone'] = phone
+
+        params['pg_sig'] = self.get_sig(params)
+
+        return Request('GET', self.PG_URL, params=params).prepare().url
diff --git a/requirements.txt b/requirements.txt
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+++ b/requirements.txt
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+django>=1.11
+requests>=2.14
+coverage
+codecov
+flake8
diff --git a/setup.py b/setup.py
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+++ b/setup.py
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+from setuptools import (
+    find_packages,
+    setup,
+)
+
+setup(
+    name='django-paybox-api',
+    version='0.0.1',
+    author='Aiba',
+    description='Django paybox api',
+    url='https://github.com/aibaq/django-paybox-api',
+    packages=find_packages(exclude=('*tests*',)),
+    install_requires=[
+        'django>=1.11',
+        'requests>=2.14',
+    ],
+)
diff --git a/test_app/__init__.py b/test_app/__init__.py
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diff --git a/test_app/__init__.pyc b/test_app/__init__.pyc
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diff --git a/test_app/settings.py b/test_app/settings.py
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+++ b/test_app/settings.py
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+import os
+
+
+BASE_DIR = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
+SECRET_KEY = '*nrox99_o1^@n!@mb00=#iflh&%n^$^!oxy7c8+=1j1e5r4c%*'
+DEBUG = True
+USE_TZ = True
+
+ROOT_URLCONF = 'test_app.urls'
+STATIC_URL = '/static/'
+
+INSTALLED_APPS = [
+    'django.contrib.admin',
+    'django.contrib.auth',
+    'django.contrib.contenttypes',
+    'django.contrib.sessions',
+    'django.contrib.messages',
+    'django.contrib.staticfiles',
+    'catracking'
+]
+
+DATABASES = {
+    'default': {
+        'ENGINE': 'django.db.backends.sqlite3',
+        'NAME': os.path.join(BASE_DIR, 'db.sqlite3'),
+    }
+}
+
+ALLOWED_HOSTS = ['*']
diff --git a/test_app/settings.pyc b/test_app/settings.pyc
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diff --git a/test_app/tests/__init__.py b/test_app/tests/__init__.py
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diff --git a/test_app/tests/__pycache__/__init__.cpython-37.pyc b/test_app/tests/__pycache__/__init__.cpython-37.pyc
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diff --git a/test_app/tests/__pycache__/test_utils.cpython-37.pyc b/test_app/tests/__pycache__/test_utils.cpython-37.pyc
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diff --git a/test_app/tests/test_utils.py b/test_app/tests/test_utils.py
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+++ b/test_app/tests/test_utils.py
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+
+from django.test import (
+    RequestFactory,
+    TestCase,
+)
+
+from test_app.utils import get_pagetype
+
+
+class GetPagetypeTest(TestCase):
+
+    def test_get_pagetype_home_no(self):
+        request = RequestFactory().get('/')
+        self.assertEqual(get_pagetype(request), 'Home')
+
+    def test_get_pagetype_home_yes(self):
+        request = RequestFactory().get('/abc/')
+        self.assertEqual(get_pagetype(request), 'Not-Home')
diff --git a/test_app/urls.py b/test_app/urls.py
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+++ b/test_app/urls.py
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+from django.conf.urls import url
+from django.contrib import admin
+
+urlpatterns = [
+    url(r'^admin/', admin.site.urls),
+]
diff --git a/test_app/utils.py b/test_app/utils.py
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+++ b/test_app/utils.py
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+
+def get_pagetype(request):
+    return 'Home' if request.path == '/' else 'Not-Home'