diff --git a/Block/Customer/DataProviders/AdditionalConfig.php b/Block/Customer/DataProviders/AdditionalConfig.php
new file mode 100644
index 0000000..b1b2814
--- /dev/null
+++ b/Block/Customer/DataProviders/AdditionalConfig.php
@@ -0,0 +1,74 @@
+<?php declare(strict_types=1);
+/************************************************************
+ * *
+ *  * Copyright © Boolfly. All rights reserved.
+ *  * See COPYING.txt for license details.
+ *  *
+ *  * @author    info@boolfly.com
+ * *  @project   Giao hang nhanh
+ */
+namespace Boolfly\GiaoHangNhanh\Block\Customer\DataProviders;
+
+use Boolfly\GiaoHangNhanh\Model\Config;
+use Magento\Framework\Serialize\SerializerInterface;
+use Magento\Framework\View\Element\Block\ArgumentInterface;
+
+/**
+ * Class AdditionalConfig
+ *
+ * @package Boolfly\GiaoHangNhanh\Block\Customer\DataProviders
+ */
+class AdditionalConfig implements ArgumentInterface
+{
+    /**
+     * @var SerializerInterface
+     */
+    private $serializer;
+
+    /**
+     * @var Config
+     */
+    private $config;
+
+    /**
+     * Constructor
+     *
+     * @param Config $config
+     * @param SerializerInterface $serializer
+     */
+    public function __construct(
+        Config $config,
+        SerializerInterface $serializer
+    ) {
+        $this->config = $config;
+        $this->serializer = $serializer;
+    }
+
+    /**
+     * Get districts
+     *
+     * @return array
+     */
+    private function getDistricts()
+    {
+        $districts = $this->config->getDistricts();
+        $data = [];
+        foreach ($districts as $district) {
+            $data[$district['region_id']][] = [
+                'districtName' => $district['district_name'],
+                'districtID' => $district['district_id']
+            ];
+        }
+        return $data;
+    }
+
+    /**
+     * @return string
+     */
+    public function getJsonData(): string
+    {
+        return $this->serializer->serialize([
+            'districts' => $this->getDistricts()
+        ]);
+    }
+}
diff --git a/Console/GenerateRegionCommand.php b/Console/GenerateRegionCommand.php
new file mode 100644
index 0000000..2ac587a
--- /dev/null
+++ b/Console/GenerateRegionCommand.php
@@ -0,0 +1,155 @@
+<?php declare(strict_types=1);
+/************************************************************
+ * *
+ *  * Copyright © Boolfly. All rights reserved.
+ *  * See COPYING.txt for license details.
+ *  *
+ *  * @author    info@boolfly.com
+ * *  @project   Giao hang nhanh
+ */
+namespace Boolfly\GiaoHangNhanh\Console;
+
+use Boolfly\GiaoHangNhanh\Model\Service\Helper\SubjectReader;
+use Boolfly\IntegrationBase\Model\Service\Command\CommandPoolInterface;
+use Magento\Directory\Model\RegionFactory;
+use Magento\Framework\App\ResourceConnection;
+use Magento\Framework\Exception\LocalizedException;
+use Symfony\Component\Console\Command\Command;
+use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\Console\Output\OutputInterface;
+
+/**
+ * Class GenerateRegionCommand
+ *
+ * @package Boolfly\GiaoHangNhanh\Console
+ */
+class GenerateRegionCommand extends Command
+{
+    /**
+     * @var ResourceConnection
+     */
+    private $resourceConnection;
+
+    /**
+     * @var RegionFactory
+     */
+    private $regionFactory;
+
+    /**
+     * @var CommandPoolInterface
+     */
+    private $commandPool;
+
+    /**
+     * GeneratingRegionData constructor.
+     * @param ResourceConnection $resourceConnection
+     * @param RegionFactory $regionFactory
+     * @param CommandPoolInterface $commandPool
+     * @param string|null $name
+     */
+    public function __construct(
+        ResourceConnection $resourceConnection,
+        RegionFactory $regionFactory,
+        CommandPoolInterface $commandPool,
+        $name = null
+    ) {
+        $this->resourceConnection = $resourceConnection;
+        $this->regionFactory = $regionFactory;
+        $this->commandPool = $commandPool;
+        parent::__construct($name);
+    }
+
+    protected function configure()
+    {
+        $this->setDescription('Generate region data.');
+        parent::configure();
+    }
+
+    /**
+     * @param InputInterface $input
+     * @param OutputInterface $output
+     * @return int|void|null
+     * @throws LocalizedException
+     */
+    protected function execute(InputInterface $input, OutputInterface $output)
+    {
+        $commandResult = $this->commandPool->get('get_districts')->execute([]);
+        $data = SubjectReader::readDistricts($commandResult->get());
+
+        if ($data) {
+            $output->writeln('<info>Generating data. Please wait...</info>');
+            foreach ($data as $item) {
+                $provinceId = $item['ProvinceID'];
+                $districtId = $item['DistrictID'];
+                $region = $this->regionFactory->create()
+                    ->loadByCode($provinceId, 'VN');
+
+                $this->insertData(
+                    'boolfly_giaohangnhanh_district',
+                    [
+                        'district_id' => $districtId,
+                        'province_id' => $provinceId,
+                        'district_name' => $item['DistrictName']
+                    ],
+                    ['col' => 'district_id', 'val' => $districtId]
+                );
+
+                if (!$region->getId()) {
+                    $this->insertData(
+                        'directory_country_region',
+                        [
+                            'country_id' => 'VN',
+                            'code' => $provinceId,
+                            'default_name' => $item['ProvinceName']
+                        ]
+                    );
+                }
+            }
+            $output->writeln('<info>Generate data successfully.</info>');
+        } else {
+            $output->writeln('<error>Generating data was interrupted. Please try again!</error>');
+        }
+    }
+
+    /**
+     * @param string $tableName
+     * @param array $data
+     * @param array $pairOfColAndVal
+     */
+    private function insertData($tableName, $data, $pairOfColAndVal = [])
+    {
+        if (!$this->checkRecordExist($tableName, $pairOfColAndVal)) {
+            $this->resourceConnection->getConnection()->insert(
+                $this->resourceConnection->getTableName($tableName),
+                $data
+            );
+        }
+    }
+
+
+    /**
+     * @param string $tableName
+     * @param array $pairOfColAndVal
+     * @return bool
+     */
+    private function checkRecordExist($tableName, $pairOfColAndVal = [])
+    {
+        $checkingFlag = false;
+
+        if ($pairOfColAndVal) {
+            $connection = $this->resourceConnection->getConnection();
+            $sql = $connection->select()->from(
+                ['districtTable' => $this->resourceConnection->getTableName($tableName)],
+                $pairOfColAndVal['col']
+            )->where($pairOfColAndVal['col'] . ' = ?', $pairOfColAndVal['val']);
+
+            $rows = $connection->fetchAll($sql);
+
+            if (count($rows)) {
+                $checkingFlag = true;
+            }
+        }
+
+        return $checkingFlag;
+    }
+}
diff --git a/Controller/Customer/Address/FormPost.php b/Controller/Customer/Address/FormPost.php
new file mode 100644
index 0000000..95ddb43
--- /dev/null
+++ b/Controller/Customer/Address/FormPost.php
@@ -0,0 +1,67 @@
+<?php declare(strict_types=1);
+/************************************************************
+ * *
+ *  * Copyright © Boolfly. All rights reserved.
+ *  * See COPYING.txt for license details.
+ *  *
+ *  * @author    info@boolfly.com
+ * *  @project   Giao hang nhanh
+ */
+namespace Boolfly\GiaoHangNhanh\Controller\Customer\Address;
+
+use Magento\Framework\Controller\Result\Redirect;
+use Magento\Framework\Exception\InputException;
+use Magento\Customer\Controller\Address\FormPost as MageFormPostController;
+
+/**
+ * Class FormPost
+ *
+ * @package Boolfly\GiaoHangNhanh\Controller\Customer\Address
+ */
+class FormPost extends MageFormPostController
+{
+    /**
+     * @return Redirect
+     */
+    public function execute()
+    {
+        $redirectUrl = null;
+        if (!$this->_formKeyValidator->validate($this->getRequest())) {
+            return $this->resultRedirectFactory->create()->setPath('*/*/');
+        }
+
+        if (!$this->getRequest()->isPost()) {
+            $this->_getSession()->setAddressFormData($this->getRequest()->getPostValue());
+            return $this->resultRedirectFactory->create()->setUrl(
+                $this->_redirect->error($this->_buildUrl('*/*/edit'))
+            );
+        }
+
+        try {
+            $address = $this->_extractAddress();
+            /*custom code*/
+            $address->setCustomAttribute('district', $this->getRequest()->getParam('district_id'));
+            /*end*/
+            $this->_addressRepository->save($address);
+            $this->messageManager->addSuccessMessage(__('You saved the address.'));
+            $url = $this->_buildUrl('*/*/index', ['_secure' => true]);
+            return $this->resultRedirectFactory->create()->setUrl($this->_redirect->success($url));
+        } catch (InputException $e) {
+            $this->messageManager->addErrorMessage($e->getMessage());
+            foreach ($e->getErrors() as $error) {
+                $this->messageManager->addErrorMessage($error->getMessage());
+            }
+        } catch (\Exception $e) {
+            $redirectUrl = $this->_buildUrl('*/*/index');
+            $this->messageManager->addExceptionMessage($e, __('We can\'t save the address.'));
+        }
+
+        $url = $redirectUrl;
+        if (!$redirectUrl) {
+            $this->_getSession()->setAddressFormData($this->getRequest()->getPostValue());
+            $url = $this->_buildUrl('*/*/edit', ['id' => $this->getRequest()->getParam('id')]);
+        }
+
+        return $this->resultRedirectFactory->create()->setUrl($this->_redirect->error($url));
+    }
+}
diff --git a/Helper/Rate.php b/Helper/Rate.php
new file mode 100644
index 0000000..0d7cf81
--- /dev/null
+++ b/Helper/Rate.php
@@ -0,0 +1,121 @@
+<?php declare(strict_types=1);
+/************************************************************
+ * *
+ *  * Copyright © Boolfly. All rights reserved.
+ *  * See COPYING.txt for license details.
+ *  *
+ *  * @author    info@boolfly.com
+ * *  @project   Giao hang nhanh
+ */
+namespace Boolfly\GiaoHangNhanh\Helper;
+
+use Magento\Directory\Helper\Data;
+use Magento\Framework\Exception\LocalizedException;
+use Magento\Framework\Exception\NoSuchEntityException;
+use Magento\Sales\Model\Order;
+use Magento\Store\Model\StoreManagerInterface;
+
+/**
+ * Class Rate
+ *
+ * @package Boolfly\GiaoHangNhanh\Helper
+ */
+class Rate
+{
+    /**
+     * Vietnam dong currency
+     */
+    const CURRENCY_CODE = 'VND';
+
+    /**
+     * @var StoreManagerInterface
+     */
+    private $storeManager;
+
+    /**
+     * @var Data
+     */
+    private $helperData;
+
+    /**
+     * OrderDetailsDataBuilder constructor.
+     *
+     * @param Data $helperData
+     * @param StoreManagerInterface $storeManager
+     */
+    public function __construct(
+        Data $helperData,
+        StoreManagerInterface $storeManager
+    ) {
+        $this->storeManager = $storeManager;
+        $this->helperData = $helperData;
+    }
+
+    /**
+     * @param float $amount
+     * @return false|float
+     * @throws LocalizedException
+     * @throws NoSuchEntityException
+     */
+    public function getAmountByStoreCurrency($amount)
+    {
+        if ($this->getDefaultCurrencyCode() == self::CURRENCY_CODE) {
+            return $amount;
+        } else {
+            try {
+                return round($this->helperData->currencyConvert(
+                    $amount,
+                    self::CURRENCY_CODE,
+                    $this->getDefaultCurrencyCode()
+                ), 2);
+            } catch (\Exception $e) {
+                throw new LocalizedException(
+                    __('We can\'t convert VND to store default currency. Please setup currency rates.')
+                );
+            }
+        }
+    }
+
+    /**
+     * @param Order $order
+     * @param $amount
+     * @return false|float
+     * @throws LocalizedException
+     */
+    public function getVndOrderAmount(Order $order, $amount)
+    {
+        if ($this->isVietnamDong($order)) {
+            return $amount;
+        } else {
+            try {
+                return round($this->helperData->currencyConvert(
+                    $amount,
+                    $order->getOrderCurrencyCode(),
+                    self::CURRENCY_CODE
+                ));
+            } catch (\Exception $e) {
+                throw new LocalizedException(
+                    __('We can\'t convert base currency to %1. Please setup currency rates.', self::CURRENCY_CODE)
+                );
+            }
+        }
+    }
+
+    /**
+     * @param Order $order
+     * @return boolean
+     */
+    private function isVietnamDong($order)
+    {
+        return $order->getOrderCurrencyCode() === self::CURRENCY_CODE;
+    }
+
+    /**
+     * @return mixed
+     * @throws NoSuchEntityException
+     */
+    private function getDefaultCurrencyCode()
+    {
+        return $this->storeManager->getStore()->getDefaultCurrencyCode();
+    }
+}
diff --git a/Model/Carrier/GHN.php b/Model/Carrier/GHN.php
new file mode 100644
index 0000000..58e7fb5
--- /dev/null
+++ b/Model/Carrier/GHN.php
@@ -0,0 +1,204 @@
+<?php declare(strict_types=1);
+/************************************************************
+ * *
+ *  * Copyright © Boolfly. All rights reserved.
+ *  * See COPYING.txt for license details.
+ *  *
+ *  * @author    info@boolfly.com
+ * *  @project   Giao hang nhanh
+ */
+namespace Boolfly\GiaoHangNhanh\Model\Carrier;
+
+use Boolfly\GiaoHangNhanh\Helper\Rate;
+use Boolfly\GiaoHangNhanh\Model\Service\Helper\SubjectReader;
+use Boolfly\GiaoHangNhanh\Model\Service\Request\AbstractDataBuilder;
+use Boolfly\IntegrationBase\Model\Service\Command\CommandException;
+use Boolfly\IntegrationBase\Model\Service\Command\CommandPoolInterface;
+use Exception;
+use Magento\Framework\Exception\NotFoundException;
+use Magento\Shipping\Model\Carrier\AbstractCarrier;
+use Psr\Log\LoggerInterface;
+use Boolfly\GiaoHangNhanh\Model\Config;
+use Magento\Framework\App\Config\ScopeConfigInterface;
+use Magento\Quote\Model\Quote\Address\RateRequest;
+use Magento\Quote\Model\Quote\Address\RateResult\ErrorFactory;
+use Magento\Quote\Model\Quote\Address\RateResult\Method;
+use Magento\Quote\Model\Quote\Address\RateResult\MethodFactory;
+use Magento\Shipping\Model\Carrier\CarrierInterface;
+use Magento\Shipping\Model\Rate\Result;
+use Magento\Shipping\Model\Rate\ResultFactory;
+
+/**
+ * Class GHN
+ *
+ * @package Boolfly\GiaoHangNhanh\Model\Carrier
+ */
+abstract class GHN extends AbstractCarrier implements CarrierInterface
+{
+    const SERVICE_NAME = 'GHN';
+
+    /**
+     * @var string
+     */
+    protected $_code = 'giaohangnhanh';
+
+    /**
+     * @var bool
+     */
+    protected $_isFixed = true;
+
+    /**
+     * @var ResultFactory
+     */
+    private $rateResultFactory;
+
+    /**
+     * @var MethodFactory
+     */
+    private $rateMethodFactory;
+
+    /**
+     * @var Config
+     */
+    protected $config;
+
+    /**
+     * @var Rate
+     */
+    private $helperRate;
+
+    /**
+     * @var array
+     */
+    protected $availableServices = [];
+
+    /**
+     * @var CommandPoolInterface
+     */
+    private $commandPool;
+
+    /**
+     * GHN constructor.
+     * @param ScopeConfigInterface $scopeConfig
+     * @param ErrorFactory $rateErrorFactory
+     * @param LoggerInterface $logger
+     * @param ResultFactory $rateResultFactory
+     * @param MethodFactory $rateMethodFactory
+     * @param Config $config
+     * @param Rate $helperRate
+     * @param CommandPoolInterface $commandPool
+     * @param array $data
+     */
+    public function __construct(
+        ScopeConfigInterface $scopeConfig,
+        ErrorFactory $rateErrorFactory,
+        LoggerInterface $logger,
+        ResultFactory $rateResultFactory,
+        MethodFactory $rateMethodFactory,
+        Config $config,
+        Rate $helperRate,
+        CommandPoolInterface $commandPool,
+        array $data = []
+    ) {
+        parent::__construct($scopeConfig, $rateErrorFactory, $logger, $data);
+        $this->rateResultFactory = $rateResultFactory;
+        $this->rateMethodFactory = $rateMethodFactory;
+        $this->config = $config;
+        $this->helperRate = $helperRate;
+        $this->commandPool = $commandPool;
+    }
+
+    /**
+     * @inheritDoc
+     */
+    public function collectRates(RateRequest $request)
+    {
+        if (!$this->getConfigFlag(Config::IS_ACTIVE)) {
+            return false;
+        }
+
+        if ($shippingCost = $this->estimateShippingCost($request)) {
+            /** @var Result $result */
+            $result = $this->rateResultFactory->create();
+            /** @var Method $method */
+            $method = $this->rateMethodFactory->create();
+            $method->setCarrier($this->_code);
+            $method->setCarrierTitle($this->getConfigData(Config::TITLE));
+            $method->setMethod($this->_code);
+            $method->setMethodTitle($this->getConfigData(Config::NAME));
+            $method->setPrice($shippingCost);
+            $method->setCost($shippingCost);
+
+            $result->append($method);
+
+            return $result;
+        }
+
+        return false;
+    }
+
+    /**
+     * @inheritDoc
+     */
+    public function getAllowedMethods()
+    {
+        return [$this->_code => $this->getConfigData(Config::NAME)];
+    }
+
+
+    /**
+     * @param RateRequest $request
+     * @return string|null
+     */
+    protected function estimateShippingCost(RateRequest $request)
+    {
+        $shippingAddress = $request->getShippingAddress();
+        $shippingFee = 0;
+
+        try {
+            $this->prepareServices($request);
+            if ($serviceId = $this->getAvailableService()) {
+                $shippingAddress->setData('shipping_service_id', $serviceId);
+                $commandResult = $this->commandPool->get('calculate_rate')->execute(
+                    [
+                        'rate_request' => $request,
+                        'service_id' => $serviceId
+                    ]
+                );
+                $rate = SubjectReader::readRate($commandResult->get());
+                $shippingFee = SubjectReader::readCalculatedFee($rate);
+            }
+            return $this->helperRate->getAmountByStoreCurrency($shippingFee);
+        } catch (Exception $e) {
+            return null;
+        }
+    }
+
+    /**
+     * @param RateRequest $request
+     * @throws CommandException
+     * @throws NotFoundException
+     */
+    protected function prepareServices($request)
+    {
+        $this->availableServices = SubjectReader::readServices(
+            $this->commandPool->get('get_services')->execute(['rate_request' => $request])->get()
+        );
+    }
+
+    /**
+     * @return mixed|null
+     */
+    protected function getAvailableService()
+    {
+        if (count($this->availableServices)) {
+            foreach ($this->availableServices as $serviceItem) {
+                if (is_array($serviceItem) && SubjectReader::readServiceName($serviceItem) == static::SERVICE_NAME) {
+                    return $serviceItem[AbstractDataBuilder::SERVICE_ID];
+                }
+            }
+        }
+
+        return null;
+    }
+}
diff --git a/Model/Carrier/GHN/Express.php b/Model/Carrier/GHN/Express.php
new file mode 100644
index 0000000..d5f6283
--- /dev/null
+++ b/Model/Carrier/GHN/Express.php
@@ -0,0 +1,27 @@
+<?php declare(strict_types=1);
+/************************************************************
+ * *
+ *  * Copyright © Boolfly. All rights reserved.
+ *  * See COPYING.txt for license details.
+ *  *
+ *  * @author    info@boolfly.com
+ * *  @project   Giao hang nhanh
+ */
+namespace Boolfly\GiaoHangNhanh\Model\Carrier\GHN;
+
+use Boolfly\GiaoHangNhanh\Model\Carrier\GHN;
+
+/**
+ * Class Express
+ *
+ * @package Boolfly\GiaoHangNhanh\Model\Carrier\GHN
+ */
+class Express extends GHN
+{
+    const SERVICE_NAME = 'Nhanh';
+
+    /**
+     * @var string
+     */
+    protected $_code = 'giaohangnhanh_express';
+}
diff --git a/Model/Carrier/GHN/Standard.php b/Model/Carrier/GHN/Standard.php
new file mode 100644
index 0000000..d1abec0
--- /dev/null
+++ b/Model/Carrier/GHN/Standard.php
@@ -0,0 +1,27 @@
+<?php declare(strict_types=1);
+/************************************************************
+ * *
+ *  * Copyright © Boolfly. All rights reserved.
+ *  * See COPYING.txt for license details.
+ *  *
+ *  * @author    info@boolfly.com
+ * *  @project   Giao hang nhanh
+ */
+namespace Boolfly\GiaoHangNhanh\Model\Carrier\GHN;
+
+use Boolfly\GiaoHangNhanh\Model\Carrier\GHN;
+
+/**
+ * Class Standard
+ *
+ * @package Boolfly\GiaoHangNhanh\Model\Carrier\GHN
+ */
+class Standard extends GHN
+{
+    const SERVICE_NAME = 'Chuẩn';
+
+    /**
+     * @var string
+     */
+    protected $_code = 'giaohangnhanh_standard';
+}
diff --git a/Model/Config.php b/Model/Config.php
new file mode 100644
index 0000000..64a2f7b
--- /dev/null
+++ b/Model/Config.php
@@ -0,0 +1,147 @@
+<?php declare(strict_types=1);
+/************************************************************
+ * *
+ *  * Copyright © Boolfly. All rights reserved.
+ *  * See COPYING.txt for license details.
+ *  *
+ *  * @author    info@boolfly.com
+ * *  @project   Giao hang nhanh
+ */
+namespace Boolfly\GiaoHangNhanh\Model;
+
+use Magento\Directory\Helper\Data;
+use Magento\Framework\App\Config\ScopeConfigInterface;
+use Magento\Framework\App\ResourceConnection;
+use Magento\Framework\Exception\NoSuchEntityException;
+use Magento\Store\Model\ScopeInterface;
+use Magento\Store\Model\StoreManagerInterface;
+
+/**
+ * Class Config
+ *
+ * @package Boolfly\GiaoHangNhanh\Model
+ */
+class Config
+{
+    const DEFAULT_PATH_PATTERN = 'giaohangnhanh_setting/%s/%s';
+    const INTEGRATION_TYPE = 'general';
+    const GHN_CODE = 'giaohangnhanh';
+    const LBS_G = 453.59237;
+    const KGS_G = 1000;
+    const IS_ACTIVE = 'active';
+    const TITLE = 'title';
+    const NAME = 'name';
+    const CALCULATING_FEE_URL = 'calculate_fee_url';
+    const SYNCHRONIZING_ORDER_URL = 'sync_order_url';
+    const GETTING_DISTRICTS_URL = 'get_districts_url';
+    const GETTING_SERVICES_URL = 'get_services_url';
+    const GETTING_ORDER_INFOR = 'get_order_infor_url';
+    const CANCELING_ORDER_URL = 'cancel_order_url';
+
+    /**
+     * @var int
+     */
+    protected $storeId;
+
+    /**
+     * @var StoreManagerInterface
+     */
+    protected $storeManager;
+
+    /**
+     * @var ScopeConfigInterface
+     */
+    protected $scopeConfig;
+
+    /**
+     * @var ResourceConnection
+     */
+    private $resourceConnection;
+
+    /**
+     * Config constructor.
+     * @param StoreManagerInterface $storeManager
+     * @param ScopeConfigInterface $scopeConfig
+     * @param ResourceConnection $resourceConnection
+     */
+    public function __construct(
+        StoreManagerInterface $storeManager,
+        ScopeConfigInterface $scopeConfig,
+        ResourceConnection $resourceConnection
+    ) {
+        $this->storeManager = $storeManager;
+        $this->scopeConfig = $scopeConfig;
+        $this->resourceConnection = $resourceConnection;
+    }
+
+    /**
+     * @return mixed
+     * @throws NoSuchEntityException
+     */
+    public function getWeightUnit()
+    {
+        return $this->getConfig(Data::XML_PATH_WEIGHT_UNIT);
+    }
+
+    /**
+     * @return array
+     */
+    public function getDistricts()
+    {
+        $connection = $this->resourceConnection->getConnection();
+        $sql = $connection->select()->from(
+            ['districtTable' => $this->resourceConnection->getTableName('boolfly_giaohangnhanh_district')]
+        )->joinLeft(
+            ['regionTable' => $this->resourceConnection->getTableName('directory_country_region')],
+            'regionTable.code = districtTable.province_id',
+            'regionTable.region_id as region_id'
+        );
+
+        return $connection->fetchAll($sql);
+    }
+
+    /**
+     * @return array
+     */
+    public function getDistrictOptions()
+    {
+        $districts = $this->getDistricts();
+        $data = [];
+        foreach ($districts as $district) {
+            $districtName = $district['district_name'];
+            $data[] = [
+                'title' => $districtName,
+                'value' => $district['district_id'],
+                'region_id' => $district['region_id'],
+                'label' => $districtName
+            ];
+        }
+        return $data;
+    }
+
+    /**
+     * @param $path
+     * @return mixed
+     * @throws NoSuchEntityException
+     */
+    public function getConfig($path)
+    {
+        return $this->scopeConfig->getValue(
+            $path,
+            ScopeInterface::SCOPE_STORE,
+            $this->getStoreId()
+        );
+    }
+
+    /**
+     * @return int
+     * @throws NoSuchEntityException
+     */
+    private function getStoreId()
+    {
+        if (!$this->storeId) {
+            $this->storeId = $this->storeManager->getStore()->getStoreId();
+        }
+        return $this->storeId;
+    }
+}
diff --git a/Model/Config/Source/District.php b/Model/Config/Source/District.php
new file mode 100644
index 0000000..ecd864f
--- /dev/null
+++ b/Model/Config/Source/District.php
@@ -0,0 +1,79 @@
+<?php declare(strict_types=1);
+/************************************************************
+ * *
+ *  * Copyright © Boolfly. All rights reserved.
+ *  * See COPYING.txt for license details.
+ *  *
+ *  * @author    info@boolfly.com
+ * *  @project   Giao hang nhanh
+ */
+namespace Boolfly\GiaoHangNhanh\Model\Config\Source;
+
+use Boolfly\GiaoHangNhanh\Model\Config;
+use Magento\Framework\Option\ArrayInterface;
+use Magento\Store\Model\Information;
+use Magento\Store\Model\StoreManagerInterface;
+
+/**
+ * Class District
+ *
+ * @package Boolfly\GiaoHangNhanh\Model\Config\Source
+ */
+class District implements ArrayInterface
+{
+    /**
+     * @var Information
+     */
+    private $storeInformation;
+
+    /**
+     * @var StoreManagerInterface
+     */
+    private $storeManager;
+
+    /**
+     * @var Config
+     */
+    private $config;
+
+    /**
+     * District constructor.
+     * @param Config $config
+     * @param Information $storeInformation
+     * @param StoreManagerInterface $storeManager
+     */
+    public function __construct(
+        Config $config,
+        Information $storeInformation,
+        StoreManagerInterface $storeManager
+    ) {
+        $this->storeInformation = $storeInformation;
+        $this->storeManager = $storeManager;
+        $this->config = $config;
+    }
+
+    /**
+     * @inheritDoc
+     */
+    public function toOptionArray()
+    {
+        $store = $this->storeManager->getStore();
+        $storeInfo = $this->storeInformation->getStoreInformationObject($store);
+        $districts = $this->config->getDistricts();
+        $data = [];
+        foreach ($districts as $district) {
+            if ($district['region_id'] == $storeInfo->getRegionId()) {
+                $data[] = [
+                    'label' => $district['district_name'],
+                    'value' => $district['district_id']
+                ];
+            }
+        }
+
+        if ($data) {
+            return $data;
+        }
+
+        return [['value' => '', 'label' => __('No district to select.')],];
+    }
+}
diff --git a/Model/Config/Source/NoteCode.php b/Model/Config/Source/NoteCode.php
new file mode 100644
index 0000000..b90a4ba
--- /dev/null
+++ b/Model/Config/Source/NoteCode.php
@@ -0,0 +1,36 @@
+<?php declare(strict_types=1);
+/************************************************************
+ * *
+ *  * Copyright © Boolfly. All rights reserved.
+ *  * See COPYING.txt for license details.
+ *  *
+ *  * @author    info@boolfly.com
+ * *  @project   Giao hang nhanh
+ */
+namespace Boolfly\GiaoHangNhanh\Model\Config\Source;
+
+use Magento\Framework\Option\ArrayInterface;
+
+/**
+ * Class NoteCode
+ *
+ * @package Boolfly\GiaoHangNhanh\Model\Config\Source
+ */
+class NoteCode implements ArrayInterface
+{
+    const ALLOW_TRYING = 'CHOTHUHANG';
+    const ALLOW_CHECKING_NOT_TRYING = 'CHOXEMHANGKHONGTHU';
+    const NOT_ALLOW_CHECKING = 'KHONGCHOXEMHANG';
+
+    /**
+     * @inheritDoc
+     */
+    public function toOptionArray()
+    {
+        return [
+            ['value' => self::ALLOW_TRYING, 'label' => __('Allow trying item')],
+            ['value' => self::ALLOW_CHECKING_NOT_TRYING, 'label' => __('Allow checking item, but not trying')],
+            ['value' => self::NOT_ALLOW_CHECKING, 'label' => __('Don\'t allow checking item')]
+        ];
+    }
+}
diff --git a/Model/Config/Source/PaymentType.php b/Model/Config/Source/PaymentType.php
new file mode 100644
index 0000000..e51a534
--- /dev/null
+++ b/Model/Config/Source/PaymentType.php
@@ -0,0 +1,28 @@
+<?php declare(strict_types=1);
+/************************************************************
+ * *
+ *  * Copyright © Boolfly. All rights reserved.
+ *  * See COPYING.txt for license details.
+ *  *
+ *  * @author    info@boolfly.com
+ * *  @project   Giao hang nhanh
+ */
+namespace Boolfly\GiaoHangNhanh\Model\Config\Source;
+
+use Magento\Framework\Option\ArrayInterface;
+
+/**
+ * Class PaymentType
+ *
+ * @package Boolfly\GiaoHangNhanh\Model\Config\Source
+ */
+class PaymentType implements ArrayInterface
+{
+    /**
+     * @inheritDoc
+     */
+    public function toOptionArray()
+    {
+        return [['value' => 1, 'label' => __('Shop/Seller')], ['value' => 2, 'label' => __('Buyer/Consignee')]];
+    }
+}
diff --git a/Model/Logger/Logger.php b/Model/Logger/Logger.php
new file mode 100644
index 0000000..32f3aa4
--- /dev/null
+++ b/Model/Logger/Logger.php
@@ -0,0 +1,37 @@
+<?php declare(strict_types=1);
+/************************************************************
+ * *
+ *  * Copyright © Boolfly. All rights reserved.
+ *  * See COPYING.txt for license details.
+ *  *
+ *  * @author    info@boolfly.com
+ * *  @project   Giao hang nhanh
+ */
+namespace Boolfly\GiaoHangNhanh\Model\Logger;
+
+use Boolfly\IntegrationBase\Model\Logger\Logger as BaseLogger;
+
+/**
+ * Class Logger
+ *
+ * @package Boolfly\GiaoHangNhanh\Model\Logger
+ */
+class Logger extends BaseLogger
+{
+    /**
+     * @param array $debugData
+     * @param array $debugReplacePrivateDataKeys
+     * @return array
+     */
+    protected function filterDebugData(array $debugData, array $debugReplacePrivateDataKeys)
+    {
+        foreach (array_keys($debugData) as $key) {
+            if (in_array($key, $debugReplacePrivateDataKeys)) {
+                $debugData[$key] = self::DEBUG_KEYS_MASK;
+            } elseif (is_array($debugData[$key])) {
+                $debugData[$key] = $this->filterDebugData($debugData[$key], $debugReplacePrivateDataKeys);
+            }
+        }
+        return $debugData;
+    }
+}
diff --git a/Model/Service/Command/ServiceCommand.php b/Model/Service/Command/ServiceCommand.php
new file mode 100644
index 0000000..a5d1bff
--- /dev/null
+++ b/Model/Service/Command/ServiceCommand.php
@@ -0,0 +1,137 @@
+<?php declare(strict_types=1);
+/************************************************************
+ * *
+ *  * Copyright © Boolfly. All rights reserved.
+ *  * See COPYING.txt for license details.
+ *  *
+ *  * @author    info@boolfly.com
+ * *  @project   Giao hang nhanh
+ */
+namespace Boolfly\GiaoHangNhanh\Model\Service\Command;
+
+use Boolfly\IntegrationBase\Model\Service\Command;
+use Boolfly\IntegrationBase\Model\Service\Command\CommandException;
+use Boolfly\IntegrationBase\Model\Service\CommandInterface;
+use Boolfly\IntegrationBase\Model\Service\Http\ClientInterface;
+use Boolfly\IntegrationBase\Model\Service\Http\TransferFactoryInterface;
+use Boolfly\IntegrationBase\Model\Service\Request\BuilderInterface;
+use Boolfly\IntegrationBase\Model\Service\Response\HandlerInterface;
+use Boolfly\IntegrationBase\Model\Service\Validator\ValidatorInterface;
+use Psr\Log\LoggerInterface;
+
+/**
+ * Class ServiceCommand
+ *
+ * @package Boolfly\GiaoHangNhanh\Model\Service\Command
+ */
+class ServiceCommand implements CommandInterface
+{
+    /**
+     * @var BuilderInterface
+     */
+    private $requestBuilder;
+
+    /**
+     * @var TransferFactoryInterface
+     */
+    private $transferFactory;
+
+    /**
+     * @var ClientInterface
+     */
+    private $client;
+
+    /**
+     * @var HandlerInterface
+     */
+    private $handler;
+
+    /**
+     * @var LoggerInterface
+     */
+    private $logger;
+
+    /**
+     * @var ValidatorInterface
+     */
+    private $validator;
+
+    /**
+     * @var Command\Result\ArrayResultFactory
+     */
+    private $resultFactory;
+
+    /**
+     * @var string|null
+     */
+    protected $resultKey;
+
+    /**
+     * ServiceCommand constructor.
+     * @param BuilderInterface $requestBuilder
+     * @param TransferFactoryInterface $transferFactory
+     * @param ClientInterface $client
+     * @param LoggerInterface $logger
+     * @param Command\Result\ArrayResultFactory $resultFactory
+     * @param HandlerInterface|null $handler
+     * @param ValidatorInterface|null $validator
+     * @param null $resultKey
+     */
+    public function __construct(
+        BuilderInterface $requestBuilder,
+        TransferFactoryInterface $transferFactory,
+        ClientInterface $client,
+        LoggerInterface $logger,
+        Command\Result\ArrayResultFactory $resultFactory,
+        HandlerInterface $handler = null,
+        ValidatorInterface $validator = null,
+        $resultKey = null
+    ) {
+        $this->requestBuilder = $requestBuilder;
+        $this->transferFactory = $transferFactory;
+        $this->client = $client;
+        $this->handler = $handler;
+        $this->validator = $validator;
+        $this->logger = $logger;
+        $this->resultFactory = $resultFactory;
+        $this->resultKey = $resultKey;
+    }
+
+    /**
+     * @inheritDoc
+     */
+    public function execute(array $commandSubject)
+    {
+        $transferO = $this->transferFactory->create(
+            $this->requestBuilder->build($commandSubject)
+        );
+        $response = $this->client->request($transferO);
+        if ($this->validator !== null) {
+            $result = $this->validator->validate(
+                array_merge($commandSubject, ['response' => $response])
+            );
+            if (!$result->isValid()) {
+                throw new CommandException(
+                    __(implode("\n", $result->getFailsDescription()))
+                );
+            }
+        }
+
+        if ($this->handler) {
+            $this->handler->handle(
+                $commandSubject,
+                $response
+            );
+        }
+
+        if ($this->resultKey) {
+            return $this->resultFactory->create(
+                [
+                    'array' => [
+                        $this->resultKey => $response['data']
+                    ]
+                ]
+            );
+        }
+    }
+}
diff --git a/Model/Service/Helper/Authorization.php b/Model/Service/Helper/Authorization.php
new file mode 100644
index 0000000..4fab435
--- /dev/null
+++ b/Model/Service/Helper/Authorization.php
@@ -0,0 +1,80 @@
+<?php declare(strict_types=1);
+/************************************************************
+ * *
+ *  * Copyright © Boolfly. All rights reserved.
+ *  * See COPYING.txt for license details.
+ *  *
+ *  * @author    info@boolfly.com
+ * *  @project   Giao hang nhanh
+ */
+namespace Boolfly\GiaoHangNhanh\Model\Service\Helper;
+
+use Magento\Framework\Serialize\SerializerInterface;
+
+/**
+ * Class Authorization
+ *
+ * @package Boolfly\GiaoHangNhanh\Model\Service\Helper
+ */
+class Authorization
+{
+    /**
+     * @var string
+     */
+    protected $params;
+
+    /**
+     * @var SerializerInterface
+     */
+    private $serializer;
+
+    /**
+     * Authorization constructor.
+     * @param SerializerInterface $serializer
+     */
+    public function __construct(
+        SerializerInterface $serializer
+    ) {
+        $this->serializer = $serializer;
+    }
+
+    /**
+     * @return string
+     */
+    public function getParameter()
+    {
+        return $this->params;
+    }
+
+    /**
+     * @param $params
+     * @return $this
+     */
+    public function setParameter($params)
+    {
+        $this->params = $this->serializer->serialize($params);
+        return $this;
+    }
+
+    /**
+     * @param $params
+     * @return bool|string
+     */
+    public function getBody($params)
+    {
+        return $this->serializer->serialize($params);
+    }
+
+    /**
+     * Get Header
+     *
+     * @return array
+     */
+    public function getHeaders()
+    {
+        return [
+            'Content-Type: application/json',
+            'Content-Length: ' . strlen($this->getParameter())
+        ];
+    }
+}
diff --git a/Model/Service/Helper/SubjectReader.php b/Model/Service/Helper/SubjectReader.php
new file mode 100644
index 0000000..aff2bfb
--- /dev/null
+++ b/Model/Service/Helper/SubjectReader.php
@@ -0,0 +1,251 @@
+<?php declare(strict_types=1);
+/************************************************************
+ * *
+ *  * Copyright © Boolfly. All rights reserved.
+ *  * See COPYING.txt for license details.
+ *  *
+ *  * @author    info@boolfly.com
+ * *  @project   Giao hang nhanh
+ */
+namespace Boolfly\GiaoHangNhanh\Model\Service\Helper;
+
+use InvalidArgumentException;
+use Magento\Quote\Model\Quote\Address\RateRequest;
+use Magento\Sales\Api\Data\OrderInterface;
+
+/**
+ * Class SubjectReader
+ *
+ * @package Boolfly\GiaoHangNhanh\Model\Service\Helper
+ */
+class SubjectReader extends \Boolfly\IntegrationBase\Model\Service\SubjectReader
+{
+    /**
+     * Reads rate request from subject
+     *
+     * @param array $subject
+     * @return RateRequest
+     */
+    public static function readRateRequest(array $subject)
+    {
+        if (empty($subject['rate_request'])
+            || !$subject['rate_request'] instanceof RateRequest
+        ) {
+            throw new InvalidArgumentException('Rate request object should be provided');
+        }
+
+        return $subject['rate_request'];
+    }
+
+    /**
+     * Reads services from subject
+     *
+     * @param array $subject
+     * @return array
+     */
+    public static function readServices(array $subject)
+    {
+        if (!isset($subject['services']) || !is_array($subject['services'])) {
+            throw new \InvalidArgumentException('Services do not exist');
+        }
+
+        return $subject['services'];
+    }
+
+    /**
+     * Reads rate from subject
+     *
+     * @param array $subject
+     * @return array
+     */
+    public static function readRate(array $subject)
+    {
+        if (!isset($subject['rate'])) {
+            throw new \InvalidArgumentException('Rate does not exist');
+        }
+
+        return $subject['rate'];
+    }
+
+    /**
+     * Reads calculated fee from subject
+     *
+     * @param array $subject
+     * @return float
+     */
+    public static function readCalculatedFee(array $subject)
+    {
+        if (!isset($subject['CalculatedFee'])) {
+            throw new \InvalidArgumentException('Calculated fee does not exist');
+        }
+
+        return (float)$subject['CalculatedFee'];
+    }
+
+    /**
+     * Reads tracking code from subject
+     *
+     * @param array $subject
+     * @return array
+     */
+    public static function readTrackingCode(array $subject)
+    {
+        if (!isset($subject['tracking_code'])) {
+            throw new \InvalidArgumentException('Tracking code does not exist');
+        }
+
+        return $subject['tracking_code'];
+    }
+
+    /**
+     * Read service ID from transaction subject
+     *
+     * @param array $subject
+     * @return string
+     */
+    public static function readServiceId(array $subject)
+    {
+        if (!empty($subject['service_id'])) {
+            return $subject['service_id'];
+        }
+
+        return '';
+    }
+
+    /**
+     * Reads service name from subject
+     *
+     * @param array $subject
+     * @return array
+     */
+    public static function readServiceName(array $subject)
+    {
+        if (empty($subject['Name'])) {
+            throw new \InvalidArgumentException('Service name does not exist');
+        }
+
+        return $subject['Name'];
+    }
+
+    /**
+     * Reads order from subject
+     *
+     * @param array $subject
+     * @return OrderInterface
+     */
+    public static function readOrder(array $subject)
+    {
+        if (!isset($subject['order'])
+            || !$subject['order'] instanceof OrderInterface
+        ) {
+            throw new \InvalidArgumentException('Order data object should be provided');
+        }
+
+        return $subject['order'];
+    }
+
+    /**
+     * Reads order info from subject
+     *
+     * @param array $subject
+     * @return array
+     */
+    public static function readInfo(array $subject)
+    {
+        if (!isset($subject['order_info']) || !is_array($subject['order_info'])) {
+            throw new \InvalidArgumentException('Order\'s info does not exist');
+        }
+
+        return $subject['order_info'];
+    }
+
+    /**
+     * Reads current order status from subject
+     *
+     * @param array $subject
+     * @return string
+     */
+    public static function readCurrentOrderStatus(array $subject)
+    {
+        if (empty($subject['CurrentStatus'])) {
+            throw new \InvalidArgumentException('Order status does not exist');
+        }
+
+        return $subject['CurrentStatus'];
+    }
+
+    /**
+     * Reads district from subject
+     *
+     * @param array $subject
+     * @return string
+     */
+    public static function readDistrict(array $subject)
+    {
+        if (empty($subject['district'])) {
+            throw new \InvalidArgumentException('District should be provided');
+        }
+
+        return $subject['district'];
+    }
+
+    /**
+     * Reads shipping service id from subject
+     *
+     * @param array $subject
+     * @return string
+     */
+    public static function readShippingServiceId(array $subject)
+    {
+        if (empty($subject['shipping_service_id'])) {
+            throw new \InvalidArgumentException('Shipping service id should be provided');
+        }
+
+        return $subject['shipping_service_id'];
+    }
+
+    /**
+     * Reads order code from subject
+     *
+     * @param array $subject
+     * @return string
+     */
+    public static function readOrderCode(array $subject)
+    {
+        if (empty($subject['OrderCode'])) {
+            throw new \InvalidArgumentException('Order code should be provided');
+        }
+
+        return $subject['OrderCode'];
+    }
+
+    /**
+     * Reads response data from subject
+     *
+     * @param array $subject
+     * @return array
+     */
+    public static function readResponseData(array $subject)
+    {
+        if (empty($subject['data'])) {
+            throw new \InvalidArgumentException('Response data should be provided');
+        }
+
+        return $subject['data'];
+    }
+
+    /**
+     * Reads districts from subject
+     *
+     * @param array $subject
+     * @return array
+     */
+    public static function readDistricts(array $subject)
+    {
+        if (!isset($subject['districts'])) {
+            throw new \InvalidArgumentException('Districts does not exist');
+        }
+
+        return $subject['districts'];
+    }
+}
diff --git a/Model/Service/Http/Client/Zend.php b/Model/Service/Http/Client/Zend.php
new file mode 100644
index 0000000..3433d84
--- /dev/null
+++ b/Model/Service/Http/Client/Zend.php
@@ -0,0 +1,90 @@
+<?php declare(strict_types=1);
+/************************************************************
+ * *
+ *  * Copyright © Boolfly. All rights reserved.
+ *  * See COPYING.txt for license details.
+ *  *
+ *  * @author    info@boolfly.com
+ * *  @project   Giao hang nhanh
+ */
+namespace Boolfly\GiaoHangNhanh\Model\Service\Http\Client;
+
+use Boolfly\IntegrationBase\Model\Logger\Logger;
+use Boolfly\IntegrationBase\Model\Service\Http\ClientException;
+use Boolfly\IntegrationBase\Model\Service\Http\ClientInterface;
+use Boolfly\IntegrationBase\Model\Service\Http\ConverterException;
+use Boolfly\IntegrationBase\Model\Service\Http\ConverterInterface;
+use Boolfly\IntegrationBase\Model\Service\Http\TransferInterface;
+use Magento\Framework\HTTP\ZendClientFactory;
+use Magento\Framework\HTTP\ZendClient;
+
+/**
+ * Class Zend
+ *
+ * @package Boolfly\GiaoHangNhanh\Model\Service\Http\Client
+ */
+class Zend implements ClientInterface
+{
+    /**
+     * @var ZendClientFactory
+     */
+    private $clientFactory;
+
+    /**
+     * @var ConverterInterface | null
+     */
+    private $converter;
+
+    /**
+     * @var Logger
+     */
+    private $logger;
+
+    /**
+     * @param ZendClientFactory         $clientFactory
+     * @param Logger                    $logger
+     * @param ConverterInterface | null $converter
+     */
+    public function __construct(
+        ZendClientFactory $clientFactory,
+        Logger $logger,
+        ConverterInterface $converter = null
+    ) {
+        $this->clientFactory = $clientFactory;
+        $this->converter     = $converter;
+        $this->logger        = $logger;
+    }
+
+    public function request(TransferInterface $transferObject)
+    {
+        $log    = [
+            'request' => $this->converter ? $this->converter->convert($transferObject->getBody()) : $transferObject->getBody(),
+            'request_uri' => $transferObject->getUri()
+        ];
+        $result = [];
+        /** @var ZendClient $client */
+        $client = $this->clientFactory->create();
+        $client->setConfig($transferObject->getClientConfig());
+        $client->setMethod($transferObject->getMethod());
+        $client->setRawData($transferObject->getBody());
+        $client->setHeaders($transferObject->getHeaders());
+        $client->setUrlEncodeBody($transferObject->shouldEncode());
+        $client->setUri($transferObject->getUri());
+
+        try {
+            $response        = $client->request();
+            $result          = $this->converter ? $this->converter->convert($response->getBody()) : [$response->getBody()];
+            $log['response'] = $result;
+        } catch (\Zend_Http_Client_Exception $e) {
+            throw new ClientException(
+                __($e->getMessage())
+            );
+        } catch (ConverterException $e) {
+            throw $e;
+        } finally {
+            $this->logger->debug($log);
+        }
+
+        return $result;
+    }
+}
diff --git a/Model/Service/Http/Converter/JsonToArray.php b/Model/Service/Http/Converter/JsonToArray.php
new file mode 100644
index 0000000..482bc0e
--- /dev/null
+++ b/Model/Service/Http/Converter/JsonToArray.php
@@ -0,0 +1,64 @@
+<?php declare(strict_types=1);
+/************************************************************
+ * *
+ *  * Copyright © Boolfly. All rights reserved.
+ *  * See COPYING.txt for license details.
+ *  *
+ *  * @author    info@boolfly.com
+ * *  @project   Giao hang nhanh
+ */
+namespace Boolfly\GiaoHangNhanh\Model\Service\Http\Converter;
+
+use Boolfly\IntegrationBase\Model\Service\Http\ConverterException;
+use Boolfly\IntegrationBase\Model\Service\Http\ConverterInterface;
+use Magento\Framework\Serialize\Serializer\Json;
+use Psr\Log\LoggerInterface;
+
+/**
+ * Class JsonToArray
+ *
+ * @package Boolfly\GiaoHangNhanh\Model\Service\Http\Converter
+ */
+class JsonToArray implements ConverterInterface
+{
+    /**
+     * @var LoggerInterface
+     */
+    protected $logger;
+
+    /**
+     * @var Json
+     */
+    private $serializer;
+
+    /**
+     * JsonToArray constructor.
+     *
+     * @param Json            $serializer
+     * @param LoggerInterface $logger
+     */
+    public function __construct(
+        Json $serializer,
+        LoggerInterface $logger
+    ) {
+        $this->logger     = $logger;
+        $this->serializer = $serializer;
+    }
+
+    /**
+     * Converts gateway response to array structure
+     *
+     * @param mixed $response
+     * @return array
+     * @throws ConverterException
+     */
+    public function convert($response)
+    {
+        try {
+            return $this->serializer->unserialize($response);
+        } catch (\Exception $e) {
+            $this->logger->critical('Can\'t read response from Giao Hang Nhanh');
+            throw new ConverterException(__('Can\'t read response from Giao Hang Nhanh'));
+        }
+    }
+}
diff --git a/Model/Service/Http/TransferFactory.php b/Model/Service/Http/TransferFactory.php
new file mode 100644
index 0000000..571525b
--- /dev/null
+++ b/Model/Service/Http/TransferFactory.php
@@ -0,0 +1,111 @@
+<?php declare(strict_types=1);
+/************************************************************
+ * *
+ *  * Copyright © Boolfly. All rights reserved.
+ *  * See COPYING.txt for license details.
+ *  *
+ *  * @author    info@boolfly.com
+ * *  @project   Giao hang nhanh
+ */
+namespace Boolfly\GiaoHangNhanh\Model\Service\Http;
+
+use Boolfly\GiaoHangNhanh\Model\Service\Helper\Authorization;
+use Boolfly\IntegrationBase\Model\Service\ConfigInterface;
+use Boolfly\IntegrationBase\Model\Service\Http\TransferBuilder;
+use Boolfly\IntegrationBase\Model\Service\Http\TransferFactoryInterface;
+use Boolfly\IntegrationBase\Model\Service\Http\TransferInterface;
+
+/**
+ * Class TransferFactory
+ *
+ * @package Boolfly\GiaoHangNhanh\Model\Service\Http
+ */
+class TransferFactory implements TransferFactoryInterface
+{
+    /**
+     * @var TransferBuilder
+     */
+    private $transferBuilder;
+
+    /**
+     * @var Authorization
+     */
+    private $authorization;
+
+    /**
+     * @var ConfigInterface
+     */
+    private $config;
+
+    /**
+     * @var null|string
+     */
+    protected $path;
+
+    /**
+     * @param Authorization $authorization
+     * @param TransferBuilder $transferBuilder
+     * @param ConfigInterface $config
+     * @param null $path
+     */
+    public function __construct(
+        Authorization $authorization,
+        TransferBuilder $transferBuilder,
+        ConfigInterface $config,
+        $path = null
+    ) {
+        $this->authorization = $authorization;
+        $this->transferBuilder = $transferBuilder;
+        $this->config = $config;
+        $this->path = $path;
+    }
+
+    /**
+     * Builds service transfer object
+     *
+     * @param array $request
+     * @return TransferInterface
+     */
+    public function create(array $request)
+    {
+        $header = $this->getAuthorization()
+            ->setParameter($request)
+            ->getHeaders();
+        $body = $this->getAuthorization()->getParameter();
+        return $this->transferBuilder
+            ->setMethod('POST')
+            ->setHeaders($header)
+            ->setBody($body)
+            ->setUri($this->getUri())
+            ->build();
+    }
+
+    /**
+     * @return Authorization
+     */
+    protected function getAuthorization()
+    {
+        return $this->authorization;
+    }
+
+    /**
+     * @return mixed|string
+     */
+    protected function getUri()
+    {
+        $baseUrl = $this->isSandboxMode() ? $this->config->getValue('giaohangnhanh_sandbox_url')
+            : $this->config->getValue('giaohangnhanh_url');
+
+        return $baseUrl . '/' . $this->config->getValue($this->path);
+    }
+
+    /**
+     * Whether sandbox mode is enabled in configuration
+     *
+     * @return bool
+     */
+    protected function isSandboxMode()
+    {
+        return $this->config && (bool)$this->config->getValue('sandbox_flag');
+    }
+}
diff --git a/Model/Service/Request/AbstractDataBuilder.php b/Model/Service/Request/AbstractDataBuilder.php
new file mode 100644
index 0000000..4f0a975
--- /dev/null
+++ b/Model/Service/Request/AbstractDataBuilder.php
@@ -0,0 +1,106 @@
+<?php declare(strict_types=1);
+/************************************************************
+ * *
+ *  * Copyright © Boolfly. All rights reserved.
+ *  * See COPYING.txt for license details.
+ *  *
+ *  * @author    info@boolfly.com
+ * *  @project   Giao hang nhanh
+ */
+namespace Boolfly\GiaoHangNhanh\Model\Service\Request;
+
+use Boolfly\GiaoHangNhanh\Helper\Rate;
+use Boolfly\GiaoHangNhanh\Model\Config;
+use Boolfly\IntegrationBase\Model\Service\ConfigInterface;
+use Boolfly\IntegrationBase\Model\Service\Request\BuilderInterface;
+use Magento\Quote\Model\Quote\AddressFactory;
+use Magento\Store\Model\Information;
+use Magento\Store\Model\StoreManagerInterface;
+
+/**
+ * Class AbstractDataBuilder
+ *
+ * @package Boolfly\GiaoHangNhanh\Model\Service\Request
+ */
+abstract class AbstractDataBuilder implements BuilderInterface
+{
+    const DEFAULT_WEIGHT_UNIT = 'kgs';
+    const TOKEN = 'token';
+    const ORDER_CODE = 'OrderCode';
+    const WEIGHT = 'Weight';
+    const FROM_DISTRICT_ID = 'FromDistrictID';
+    const TO_DISTRICT_ID = 'ToDistrictID';
+    const PAYMENT_TYPE_ID = 'PaymentTypeID';
+    const CLIENT_CONTACT_NAME = 'ClientContactName';
+    const CLIENT_CONTACT_PHONE = 'ClientContactPhone';
+    const CLIENT_ADDRESS = 'ClientAddress';
+    const CUSTOMER_NAME = 'CustomerName';
+    const CUSTOMER_PHONE = 'CustomerPhone';
+    const SHIPPING_ADDRESS = 'ShippingAddress';
+    const NOTE_CODE = 'NoteCode';
+    const SERVICE_ID = 'ServiceID';
+    const LENGTH = 'Length';
+    const WIDTH = 'Width';
+    const HEIGHT = 'Height';
+    const CO_D_AMOUNT = 'CoDAmount';
+    const RETURN_CONTACT_NAME = 'ReturnContactName';
+    const RETURN_CONTACT_PHONE = 'ReturnContactPhone';
+    const RETURN_ADDRESS = 'ReturnAddress';
+    const RETURN_DISTRICT_ID = 'ReturnDistrictID';
+    const EXTERNAL_RETURN_CODE = 'ExternalReturnCode';
+
+    /**
+     * @var ConfigInterface
+     */
+    protected $config;
+
+    /**
+     * @var StoreManagerInterface
+     */
+    protected $storeManager;
+
+    /**
+     * @var Information
+     */
+    protected $storeInformation;
+
+    /**
+     * @var AddressFactory
+     */
+    protected $addressFactory;
+
+    /**
+     * @var Config
+     */
+    protected $baseConfig;
+
+    /**
+     * @var Rate
+     */
+    protected $helperRate;
+
+    /**
+     * AbstractDataBuilder constructor.
+     * @param ConfigInterface $config
+     * @param StoreManagerInterface $storeManager
+     * @param Information $storeInformation
+     * @param AddressFactory $addressFactory
+     * @param Config $baseConfig
+     * @param Rate $helperRate
+     */
+    public function __construct(
+        ConfigInterface $config,
+        StoreManagerInterface $storeManager,
+        Information $storeInformation,
+        AddressFactory $addressFactory,
+        Config $baseConfig,
+        Rate $helperRate
+    ) {
+        $this->config = $config;
+        $this->storeManager = $storeManager;
+        $this->storeInformation = $storeInformation;
+        $this->addressFactory = $addressFactory;
+        $this->baseConfig = $baseConfig;
+        $this->helperRate = $helperRate;
+    }
+}
diff --git a/Model/Service/Request/GetDistrictsDataBuilder.php b/Model/Service/Request/GetDistrictsDataBuilder.php
new file mode 100644
index 0000000..847f74a
--- /dev/null
+++ b/Model/Service/Request/GetDistrictsDataBuilder.php
@@ -0,0 +1,23 @@
+<?php declare(strict_types=1);
+/************************************************************
+ * *
+ *  * Copyright © Boolfly. All rights reserved.
+ *  * See COPYING.txt for license details.
+ *  *
+ *  * @author    info@boolfly.com
+ * *  @project   Giao hang nhanh
+ */
+namespace Boolfly\GiaoHangNhanh\Model\Service\Request;
+
+/**
+ * Class GetDistrictsDataBuilder
+ *
+ * @package Boolfly\GiaoHangNhanh\Model\Service\Request
+ */
+class GetDistrictsDataBuilder extends AbstractDataBuilder
+{
+    public function build(array $buildSubject)
+    {
+        return [self::TOKEN => $this->config->getValue('api_token')];
+    }
+}
\ No newline at end of file
diff --git a/Model/Service/Request/OrderInfoDataBuilder.php b/Model/Service/Request/OrderInfoDataBuilder.php
new file mode 100644
index 0000000..b44be53
--- /dev/null
+++ b/Model/Service/Request/OrderInfoDataBuilder.php
@@ -0,0 +1,35 @@
+<?php declare(strict_types=1);
+/************************************************************
+ * *
+ *  * Copyright © Boolfly. All rights reserved.
+ *  * See COPYING.txt for license details.
+ *  *
+ *  * @author    info@boolfly.com
+ * *  @project   Giao hang nhanh
+ */
+namespace Boolfly\GiaoHangNhanh\Model\Service\Request;
+
+use Boolfly\GiaoHangNhanh\Model\Service\Helper\SubjectReader;
+use Magento\Framework\Exception\NoSuchEntityException;
+
+/**
+ * Class OrderInfoDataBuilder
+ *
+ * @package Boolfly\GiaoHangNhanh\Model\Service\Request
+ */
+class OrderInfoDataBuilder extends AbstractDataBuilder
+{
+    /**
+     * @param array $buildSubject
+     * @return array
+     * @throws NoSuchEntityException
+     */
+    public function build(array $buildSubject)
+    {
+        $order = SubjectReader::readOrder($buildSubject);
+        return [
+            self::TOKEN => $this->config->getValue('api_token'),
+            self::ORDER_CODE => $order->getData('tracking_code')
+        ];
+    }
+}
diff --git a/Model/Service/Request/ShippingDetailsDataBuilder.php b/Model/Service/Request/ShippingDetailsDataBuilder.php
new file mode 100644
index 0000000..95f0598
--- /dev/null
+++ b/Model/Service/Request/ShippingDetailsDataBuilder.php
@@ -0,0 +1,44 @@
+<?php declare(strict_types=1);
+/************************************************************
+ * *
+ *  * Copyright © Boolfly. All rights reserved.
+ *  * See COPYING.txt for license details.
+ *  *
+ *  * @author    info@boolfly.com
+ * *  @project   Giao hang nhanh
+ */
+namespace Boolfly\GiaoHangNhanh\Model\Service\Request;
+
+use Boolfly\GiaoHangNhanh\Model\Config;
+use Boolfly\GiaoHangNhanh\Model\Service\Helper\SubjectReader;
+use Magento\Framework\Exception\NoSuchEntityException;
+
+/**
+ * Class ShippingDetailsDataBuilder
+ *
+ * @package Boolfly\GiaoHangNhanh\Model\Service\Request
+ */
+class ShippingDetailsDataBuilder extends AbstractDataBuilder
+{
+    /**
+     * @param array $buildSubject
+     * @return array
+     * @throws NoSuchEntityException
+     */
+    public function build(array $buildSubject)
+    {
+        $rateRequest = SubjectReader::readRateRequest($buildSubject);
+        $rate = $this->baseConfig->getWeightUnit() == self::DEFAULT_WEIGHT_UNIT ? Config::KGS_G : Config::LBS_G;
+        $data = [
+            self::TOKEN => $this->config->getValue('api_token'),
+            self::WEIGHT => $rateRequest->getPackageWeight() * $rate,
+            self::FROM_DISTRICT_ID => (int)$this->config->getValue('district'),
+            self::TO_DISTRICT_ID => (int)$rateRequest->getDistrict()
+        ];
+
+        if ($serviceId = SubjectReader::readServiceId($buildSubject)) {
+            $data[self::SERVICE_ID] = $serviceId;
+        }
+        return $data;
+    }
+}
diff --git a/Model/Service/Request/SynchronizeOrderDataBuilder.php b/Model/Service/Request/SynchronizeOrderDataBuilder.php
new file mode 100644
index 0000000..ef75e00
--- /dev/null
+++ b/Model/Service/Request/SynchronizeOrderDataBuilder.php
@@ -0,0 +1,65 @@
+<?php declare(strict_types=1);
+/************************************************************
+ * *
+ *  * Copyright © Boolfly. All rights reserved.
+ *  * See COPYING.txt for license details.
+ *  *
+ *  * @author    info@boolfly.com
+ * *  @project   Giao hang nhanh
+ */
+
+namespace Boolfly\GiaoHangNhanh\Model\Service\Request;
+
+use Boolfly\GiaoHangNhanh\Model\Config;
+use Boolfly\GiaoHangNhanh\Model\Service\Helper\SubjectReader;
+use Magento\Framework\Exception\LocalizedException;
+use Magento\Framework\Exception\NoSuchEntityException;
+
+/**
+ * Class SynchronizeOrderDataBuilder
+ *
+ * @package Boolfly\GiaoHangNhanh\Model\Service\Request
+ */
+class SynchronizeOrderDataBuilder extends AbstractDataBuilder
+{
+    /**
+     * @param array $buildSubject
+     * @return array
+     * @throws NoSuchEntityException
+     * @throws LocalizedException
+     */
+    public function build(array $buildSubject)
+    {
+        $order = SubjectReader::readOrder($buildSubject);
+        $weightRate = $this->baseConfig->getWeightUnit() == self::DEFAULT_WEIGHT_UNIT ? Config::KGS_G : Config::LBS_G;
+        $store = $this->storeManager->getStore();
+        $storeInfo = $this->storeInformation->getStoreInformationObject($store);
+        $storeFormattedAddress = $this->storeInformation->getFormattedAddress($store);
+        $storeDistrict = (int)$this->config->getValue('district');
+
+        return [
+            self::TOKEN => $this->config->getValue('api_token'),
+            self::PAYMENT_TYPE_ID => (int)$this->config->getValue('payment_type'),
+            self::FROM_DISTRICT_ID => $storeDistrict,
+            self::TO_DISTRICT_ID => (int)SubjectReader::readDistrict($buildSubject),
+            self::CLIENT_CONTACT_NAME => $storeInfo->getName(),
+            self::CLIENT_CONTACT_PHONE => $storeInfo->getPhone(),
+            self::CLIENT_ADDRESS => $storeFormattedAddress,
+            self::CUSTOMER_NAME => $order->getCustomerName(),
+            self::CUSTOMER_PHONE => $order->getShippingAddress()->getTelephone(),
+            self::SHIPPING_ADDRESS => $order->getShippingAddress()->getStreetLine(1),
+            self::NOTE_CODE => $this->config->getValue('note_code'),
+            self::SERVICE_ID => (int)SubjectReader::readShippingServiceId($buildSubject),
+            self::WEIGHT => $order->getWeight() * $weightRate,
+            self::LENGTH => (int)$this->config->getValue('default_length'),
+            self::WIDTH => (int)$this->config->getValue('default_width'),
+            self::HEIGHT => (int)$this->config->getValue('default_height'),
+            self::CO_D_AMOUNT => $this->helperRate->getVndOrderAmount($order, $order->getGrandTotal()),
+            self::RETURN_CONTACT_NAME => $storeInfo->getName(),
+            self::RETURN_CONTACT_PHONE => $storeInfo->getPhone(),
+            self::RETURN_ADDRESS => $storeFormattedAddress,
+            self::RETURN_DISTRICT_ID => $storeDistrict,
+            self::EXTERNAL_RETURN_CODE => $storeInfo->getName()
+        ];
+    }
+}
diff --git a/Model/Service/Response/CancelOrderHandler.php b/Model/Service/Response/CancelOrderHandler.php
new file mode 100644
index 0000000..6761429
--- /dev/null
+++ b/Model/Service/Response/CancelOrderHandler.php
@@ -0,0 +1,35 @@
+<?php declare(strict_types=1);
+/************************************************************
+ * *
+ *  * Copyright © Boolfly. All rights reserved.
+ *  * See COPYING.txt for license details.
+ *  *
+ *  * @author    info@boolfly.com
+ * *  @project   Giao hang nhanh
+ */
+namespace Boolfly\GiaoHangNhanh\Model\Service\Response;
+
+use Boolfly\GiaoHangNhanh\Model\Service\Helper\SubjectReader;
+use Boolfly\IntegrationBase\Model\Service\Response\HandlerInterface;
+use Magento\Sales\Model\Order;
+
+/**
+ * Class CancelOrderHandler
+ *
+ * @package Boolfly\GiaoHangNhanh\Model\Service\Response
+ */
+class CancelOrderHandler implements HandlerInterface
+{
+    const GHN_SUCCESS_CANCELING_STATUS = 1;
+
+    /**
+     * @param array $handlingSubject
+     * @param array $response
+     */
+    public function handle(array $handlingSubject, array $response)
+    {
+        /** @var Order $order */
+        $order = SubjectReader::readOrder($handlingSubject);
+        $order->setData('ghn_canceling_status', self::GHN_SUCCESS_CANCELING_STATUS);
+    }
+}
diff --git a/Model/Service/Response/SynchronizeOrderHandler.php b/Model/Service/Response/SynchronizeOrderHandler.php
new file mode 100644
index 0000000..6c70a96
--- /dev/null
+++ b/Model/Service/Response/SynchronizeOrderHandler.php
@@ -0,0 +1,43 @@
+<?php declare(strict_types=1);
+/************************************************************
+ * *
+ *  * Copyright © Boolfly. All rights reserved.
+ *  * See COPYING.txt for license details.
+ *  *
+ *  * @author    info@boolfly.com
+ * *  @project   Giao hang nhanh
+ */
+namespace Boolfly\GiaoHangNhanh\Model\Service\Response;
+
+use Boolfly\GiaoHangNhanh\Model\Service\Helper\SubjectReader;
+use Boolfly\IntegrationBase\Model\Service\Response\HandlerInterface;
+use Magento\Sales\Model\Order;
+
+/**
+ * Class SynchronizeOrderHandler
+ *
+ * @package Boolfly\GiaoHangNhanh\Model\Service\Response
+ */
+class SynchronizeOrderHandler implements HandlerInterface
+{
+    const GHN_STATUS_FAIL = 0;
+    const GHN_STATUS_SUCCESS = 1;
+
+    /**
+     * @param array $handlingSubject
+     * @param array $response
+     */
+    public function handle(array $handlingSubject, array $response)
+    {
+        /** @var Order $order */
+        $order = SubjectReader::readOrder($handlingSubject);
+        $responseData = SubjectReader::readResponseData($response);
+
+        if ($trackingCode = SubjectReader::readOrderCode($responseData)) {
+            $order->setData('ghn_status', self::GHN_STATUS_SUCCESS);
+            $order->setData('tracking_code', $trackingCode);
+        } else {
+            $order->setData('ghn_status', self::GHN_STATUS_FAIL);
+        }
+    }
+}
diff --git a/Model/Service/Validator/AbstractResponseValidator.php b/Model/Service/Validator/AbstractResponseValidator.php
new file mode 100644
index 0000000..4a9de9e
--- /dev/null
+++ b/Model/Service/Validator/AbstractResponseValidator.php
@@ -0,0 +1,52 @@
+<?php declare(strict_types=1);
+/************************************************************
+ * *
+ *  * Copyright © Boolfly. All rights reserved.
+ *  * See COPYING.txt for license details.
+ *  *
+ *  * @author    info@boolfly.com
+ * *  @project   Giao hang nhanh
+ */
+namespace Boolfly\GiaoHangNhanh\Model\Service\Validator;
+
+use Boolfly\IntegrationBase\Model\Service\ConfigInterface;
+use Boolfly\IntegrationBase\Model\Service\Validator\AbstractValidator;
+use Boolfly\IntegrationBase\Model\Service\Validator\ResultInterfaceFactory;
+
+/**
+ * Class AbstractResponseValidator
+ *
+ * @package Boolfly\GiaoHangNhanh\Model\Service\Validator
+ */
+abstract class AbstractResponseValidator extends AbstractValidator
+{
+    const MSG = 'msg';
+    const SUCCESS_MESSAGE = 'Success';
+
+    /**
+     * @var ConfigInterface
+     */
+    protected $config;
+
+    /**
+     * AbstractResponseValidator constructor.
+     * @param ResultInterfaceFactory $resultFactory
+     * @param ConfigInterface|null $config
+     */
+    public function __construct(
+        ResultInterfaceFactory $resultFactory,
+        ConfigInterface $config = null
+    ) {
+        parent::__construct($resultFactory);
+        $this->config = $config;
+    }
+
+    /**
+     * @param array $response
+     * @return bool
+     */
+    protected function validateResponseMsg(array $response)
+    {
+        return isset($response[self::MSG]) && $response[self::MSG] === self::SUCCESS_MESSAGE;
+    }
+}
diff --git a/Model/Service/Validator/CancelOrderValidator.php b/Model/Service/Validator/CancelOrderValidator.php
new file mode 100644
index 0000000..3784671
--- /dev/null
+++ b/Model/Service/Validator/CancelOrderValidator.php
@@ -0,0 +1,38 @@
+<?php declare(strict_types=1);
+/************************************************************
+ * *
+ *  * Copyright © Boolfly. All rights reserved.
+ *  * See COPYING.txt for license details.
+ *  *
+ *  * @author    info@boolfly.com
+ * *  @project   Giao hang nhanh
+ */
+namespace Boolfly\GiaoHangNhanh\Model\Service\Validator;
+
+use Boolfly\GiaoHangNhanh\Model\Service\Helper\SubjectReader;
+use Boolfly\IntegrationBase\Model\Service\Validator\ResultInterface;
+
+/**
+ * Class CancelOrderValidator
+ *
+ * @package Boolfly\GiaoHangNhanh\Model\Service\Validator
+ */
+class CancelOrderValidator extends AbstractResponseValidator
+{
+    /**
+     * @param array $validationSubject
+     * @return ResultInterface
+     */
+    public function validate(array $validationSubject)
+    {
+        $errorMessages = [];
+        $response = SubjectReader::readResponse($validationSubject);
+        $validationResult = $this->validateResponseMsg($response);
+
+        if (!$validationResult) {
+            $errorMessages = [__('Something went wrong when cancel order.')];
+        }
+
+        return $this->createResult($validationResult, $errorMessages);
+    }
+}
diff --git a/Model/Service/Validator/SynchronizeOrderValidator.php b/Model/Service/Validator/SynchronizeOrderValidator.php
new file mode 100644
index 0000000..65f6985
--- /dev/null
+++ b/Model/Service/Validator/SynchronizeOrderValidator.php
@@ -0,0 +1,50 @@
+<?php declare(strict_types=1);
+/************************************************************
+ * *
+ *  * Copyright © Boolfly. All rights reserved.
+ *  * See COPYING.txt for license details.
+ *  *
+ *  * @author    info@boolfly.com
+ * *  @project   Giao hang nhanh
+ */
+namespace Boolfly\GiaoHangNhanh\Model\Service\Validator;
+
+use Boolfly\GiaoHangNhanh\Model\Service\Helper\SubjectReader;
+use Boolfly\GiaoHangNhanh\Model\Service\Request\AbstractDataBuilder;
+use Boolfly\IntegrationBase\Model\Service\Validator\ResultInterface;
+
+/**
+ * Class SynchronizeOrderValidator
+ *
+ * @package Boolfly\GiaoHangNhanh\Model\Service\Validator
+ */
+class SynchronizeOrderValidator extends AbstractResponseValidator
+{
+    /**
+     * @param array $validationSubject
+     * @return ResultInterface
+     */
+    public function validate(array $validationSubject)
+    {
+        $errorMessages = [];
+        $response = SubjectReader::readResponse($validationSubject);
+        $responseData = SubjectReader::readResponseData($response);
+        $validationResult = $this->validateResponseMsg($response) && $this->validatePaymentTypeId($responseData);
+
+        if (!$validationResult) {
+            $errorMessages = [__('Something went wrong when synchronize order.')];
+        }
+
+        return $this->createResult($validationResult, $errorMessages);
+    }
+
+    /**
+     * @param array $responseData
+     * @return bool
+     */
+    private function validatePaymentTypeId(array $responseData)
+    {
+        return isset($responseData[AbstractDataBuilder::PAYMENT_TYPE_ID])
+            && $responseData[AbstractDataBuilder::PAYMENT_TYPE_ID] == $this->config->getValue('payment_type');
+    }
+}
diff --git a/Observer/SalesOrderCancelAfterObserver.php b/Observer/SalesOrderCancelAfterObserver.php
new file mode 100644
index 0000000..bdf2d59
--- /dev/null
+++ b/Observer/SalesOrderCancelAfterObserver.php
@@ -0,0 +1,65 @@
+<?php declare(strict_types=1);
+/************************************************************
+ * *
+ *  * Copyright © Boolfly. All rights reserved.
+ *  * See COPYING.txt for license details.
+ *  *
+ *  * @author    info@boolfly.com
+ * *  @project   Giao hang nhanh
+ */
+namespace Boolfly\GiaoHangNhanh\Observer;
+
+use Boolfly\IntegrationBase\Model\Service\Command\CommandPoolInterface;
+use Exception;
+use Magento\Framework\Event\Observer;
+use Magento\Framework\Event\ObserverInterface;
+use Magento\Sales\Model\Order;
+use Psr\Log\LoggerInterface;
+
+/**
+ * Class SalesOrderCancelAfterObserver
+ *
+ * @package Boolfly\GiaoHangNhanh\Observer
+ */
+class SalesOrderCancelAfterObserver implements ObserverInterface
+{
+    /**
+     * @var CommandPoolInterface
+     */
+    private $commandPool;
+
+    /**
+     * @var LoggerInterface
+     */
+    private $logger;
+
+    /**
+     * SalesOrderCancelAfterObserver constructor.
+     * @param CommandPoolInterface $commandPool
+     * @param LoggerInterface $logger
+     */
+    public function __construct(
+        CommandPoolInterface $commandPool,
+        LoggerInterface $logger
+    ) {
+        $this->commandPool = $commandPool;
+        $this->logger = $logger;
+    }
+
+    /**
+     * @param Observer $observer
+     */
+    public function execute(Observer $observer)
+    {
+        /** @var Order $order */
+        $order = $observer->getEvent()->getOrder();
+
+        if ($order->getData('ghn_status') && $order->getData('tracking_code')) {
+            try {
+                $this->commandPool->get('cancel_order')->execute(['order' => $order]);
+            } catch (Exception $e) {
+                $this->logger->error($e->getMessage());
+            }
+        }
+    }
+}
diff --git a/Observer/SalesOrderPlaceAfterObserver.php b/Observer/SalesOrderPlaceAfterObserver.php
new file mode 100644
index 0000000..3e1f0ed
--- /dev/null
+++ b/Observer/SalesOrderPlaceAfterObserver.php
@@ -0,0 +1,84 @@
+<?php declare(strict_types=1);
+/************************************************************
+ * *
+ *  * Copyright © Boolfly. All rights reserved.
+ *  * See COPYING.txt for license details.
+ *  *
+ *  * @author    info@boolfly.com
+ * *  @project   Giao hang nhanh
+ */
+namespace Boolfly\GiaoHangNhanh\Observer;
+
+use Boolfly\GiaoHangNhanh\Model\Config;
+use Boolfly\IntegrationBase\Model\Service\Command\CommandPoolInterface;
+use Exception;
+use Magento\Framework\Event\Observer;
+use Magento\Framework\Event\ObserverInterface;
+use Magento\Framework\Exception\NoSuchEntityException;
+use Magento\Quote\Model\QuoteRepository;
+use Psr\Log\LoggerInterface;
+
+/**
+ * Class SalesOrderPlaceAfterObserver
+ *
+ * @package Boolfly\GiaoHangNhanh\Observer
+ */
+class SalesOrderPlaceAfterObserver implements ObserverInterface
+{
+    /**
+     * @var QuoteRepository
+     */
+    private $quoteRepository;
+
+    /**
+     * @var LoggerInterface
+     */
+    private $logger;
+
+    /**
+     * @var CommandPoolInterface
+     */
+    private $commandPool;
+
+    /**
+     * SalesOrderAfterSaveObserver constructor.
+     * @param QuoteRepository $quoteRepository
+     * @param LoggerInterface $logger
+     * @param CommandPoolInterface $commandPool
+     */
+    public function __construct(
+        QuoteRepository $quoteRepository,
+        LoggerInterface $logger,
+        CommandPoolInterface $commandPool
+    ) {
+        $this->logger = $logger;
+        $this->quoteRepository = $quoteRepository;
+        $this->commandPool = $commandPool;
+    }
+
+    /**
+     * @param Observer $observer
+     * @throws NoSuchEntityException
+     * @throws Exception
+     */
+    public function execute(Observer $observer)
+    {
+        /** @var \Magento\Sales\Model\Order $order */
+        $order = $observer->getEvent()->getOrder();
+
+        if (false !== strpos($order->getShippingMethod(), Config::GHN_CODE)) {
+            $quote = $this->quoteRepository->get($order->getQuoteId());
+            $shippingAddress = $quote->getShippingAddress();
+            try {
+                $this->commandPool->get('synchronize_order')->execute([
+                    'order' => $order,
+                    'district' => $shippingAddress->getDistrict(),
+                    'shipping_service_id' => $shippingAddress->getShippingServiceId()
+                ]);
+            } catch (Exception $e) {
+                $this->logger->error($e->getMessage());
+                throw new Exception(__('This shipping method isn\'t valid now. Please select another shipping method.'));
+            }
+        }
+    }
+}
diff --git a/Plugin/Checkout/Block/Checkout/Cart/LayoutProcessor.php b/Plugin/Checkout/Block/Checkout/Cart/LayoutProcessor.php
new file mode 100644
index 0000000..89c12de
--- /dev/null
+++ b/Plugin/Checkout/Block/Checkout/Cart/LayoutProcessor.php
@@ -0,0 +1,66 @@
+<?php declare(strict_types=1);
+/************************************************************
+ * *
+ *  * Copyright © Boolfly. All rights reserved.
+ *  * See COPYING.txt for license details.
+ *  *
+ *  * @author    info@boolfly.com
+ * *  @project   Giao hang nhanh
+ */
+namespace Boolfly\GiaoHangNhanh\Plugin\Checkout\Block\Checkout\Cart;
+
+use Boolfly\GiaoHangNhanh\Model\Config;
+use Boolfly\GiaoHangNhanh\Setup\Patch\Data\AddressAttribute;
+use Magento\Checkout\Block\Cart\LayoutProcessor as MageLayoutProcessor;
+
+/**
+ * Class LayoutProcessor
+ *
+ * @package Boolfly\GiaoHangNhanh\Plugin\Checkout\Block\Checkout\Cart
+ */
+class LayoutProcessor
+{
+    /**
+     * @var Config
+     */
+    private $config;
+
+    /**
+     * LayoutProcessor constructor.
+     * @param Config $config
+     */
+    public function __construct(Config $config)
+    {
+        $this->config = $config;
+    }
+
+    public function afterProcess(MageLayoutProcessor $subject, $jsLayout)
+    {
+        $jsLayout['components']['block-summary']['children']['block-shipping']
+        ['children']['address-fieldsets']['children'][AddressAttribute::DISTRICT] = [
+            'component' => 'Boolfly_GiaoHangNhanh/js/view/cart/shipping/district',
+            'dataScope' => 'shippingAddress.district',
+            'provider' => 'checkoutProvider',
+            'sortOrder' => 152,
+            'config' => [
+                'template' => 'ui/form/field',
+                'elementTmpl' => 'ui/form/element/select'
+            ],
+            'visible' => true,
+            'formElement' => 'select',
+            'label' => __('District'),
+            'options' => [],
+            'value' => null,
+            'filterBy' => [
+                'target' => '${ $.provider }:${ $.parentScope }.region_id',
+                'field' => 'region_id'
+            ],
+            'imports' => [
+                'initialOptions' => 'index = checkoutProvider:dictionaries.district',
+                'setOptions' => 'index = checkoutProvider:dictionaries.district'
+            ]
+        ];
+        $jsLayout['components']['checkoutProvider']['dictionaries'][AddressAttribute::DISTRICT] = $this->config->getDistrictOptions();
+        return $jsLayout;
+    }
+}
diff --git a/Plugin/Checkout/Block/Checkout/DirectoryDataProcessor.php b/Plugin/Checkout/Block/Checkout/DirectoryDataProcessor.php
new file mode 100644
index 0000000..8e02515
--- /dev/null
+++ b/Plugin/Checkout/Block/Checkout/DirectoryDataProcessor.php
@@ -0,0 +1,49 @@
+<?php declare(strict_types=1);
+/************************************************************
+ * *
+ *  * Copyright © Boolfly. All rights reserved.
+ *  * See COPYING.txt for license details.
+ *  *
+ *  * @author    info@boolfly.com
+ * *  @project   Giao hang nhanh
+ */
+namespace Boolfly\GiaoHangNhanh\Plugin\Checkout\Block\Checkout;
+
+use Boolfly\GiaoHangNhanh\Model\Config;
+use Boolfly\GiaoHangNhanh\Setup\Patch\Data\AddressAttribute;
+use Magento\Checkout\Block\Checkout\DirectoryDataProcessor as MageDirectoryDataProcessor;
+
+/**
+ * Class DirectoryDataProcessor
+ *
+ * @package Boolfly\GiaoHangNhanh\Plugin\Checkout\Block\Checkout
+ */
+class DirectoryDataProcessor
+{
+    /**
+     * @var Config
+     */
+    private $config;
+
+    /**
+     * DirectoryDataProcessor constructor.
+     * @param Config $config
+     */
+    public function __construct(
+        Config $config
+    ) {
+        $this->config = $config;
+    }
+
+    /**
+     * @param MageDirectoryDataProcessor $subject
+     * @param $result
+     * @return mixed
+     */
+    public function afterProcess(MageDirectoryDataProcessor $subject, $result)
+    {
+        $result['components']['checkoutProvider']['dictionaries'][AddressAttribute::DISTRICT] = $this->config->getDistrictOptions();
+
+        return $result;
+    }
+}
diff --git a/Plugin/Checkout/Block/Checkout/LayoutProcessor.php b/Plugin/Checkout/Block/Checkout/LayoutProcessor.php
new file mode 100644
index 0000000..93d54ee
--- /dev/null
+++ b/Plugin/Checkout/Block/Checkout/LayoutProcessor.php
@@ -0,0 +1,53 @@
+<?php declare(strict_types=1);
+/************************************************************
+ * *
+ *  * Copyright © Boolfly. All rights reserved.
+ *  * See COPYING.txt for license details.
+ *  *
+ *  * @author    info@boolfly.com
+ * *  @project   Giao hang nhanh
+ */
+namespace Boolfly\GiaoHangNhanh\Plugin\Checkout\Block\Checkout;
+
+use Boolfly\GiaoHangNhanh\Setup\Patch\Data\AddressAttribute;
+use Magento\Checkout\Block\Checkout\LayoutProcessor as MageLayoutProcessor;
+
+/**
+ * Class LayoutProcessor
+ *
+ * @package Boolfly\GiaoHangNhanh\Plugin\Checkout\Block\Checkout
+ */
+class LayoutProcessor
+{
+    public function afterProcess(MageLayoutProcessor $subject, $result)
+    {
+        $result['components']['checkout']['children']['steps']['children']['shipping-step']['children']
+        ['shippingAddress']['children']['shipping-address-fieldset']['children'][AddressAttribute::DISTRICT] = [
+            'component' => 'Boolfly_GiaoHangNhanh/js/view/checkout/shipping/district',
+            'config' => [
+                'customScope' => 'shippingAddress.custom_attributes',
+                'template' => 'ui/form/field',
+                'elementTmpl' => 'ui/form/element/select',
+                'id' => AddressAttribute::DISTRICT,
+            ],
+            'dataScope' => 'shippingAddress.custom_attributes.district',
+            'label' => __('District'),
+            'provider' => 'checkoutProvider',
+            'visible' => true,
+            'validation' => ['required-entry' => false],
+            'sortOrder' => 255,
+            'id' => AddressAttribute::DISTRICT,
+            'imports' => [
+                'initialOptions' => 'index = checkoutProvider:dictionaries.district',
+                'setOptions' => 'index = checkoutProvider:dictionaries.district'
+            ],
+            'filterBy' => [
+                'target' => 'checkoutProvider:shippingAddress.region_id',
+                'field' => 'region_id'
+            ],
+            'deps' => 'checkoutProvider'
+        ];
+
+        return $result;
+    }
+}
diff --git a/Plugin/Checkout/Model/ShippingInformationManagement.php b/Plugin/Checkout/Model/ShippingInformationManagement.php
new file mode 100644
index 0000000..9fbc642
--- /dev/null
+++ b/Plugin/Checkout/Model/ShippingInformationManagement.php
@@ -0,0 +1,78 @@
+<?php declare(strict_types=1);
+/************************************************************
+ * *
+ *  * Copyright © Boolfly. All rights reserved.
+ *  * See COPYING.txt for license details.
+ *  *
+ *  * @author    info@boolfly.com
+ * *  @project   Giao hang nhanh
+ */
+
+namespace Boolfly\GiaoHangNhanh\Plugin\Checkout\Model;
+
+use Magento\Checkout\Api\Data\ShippingInformationInterface;
+use Magento\Customer\Model\AddressFactory;
+use Magento\Framework\Exception\NoSuchEntityException;
+use Magento\Quote\Model\QuoteRepository;
+use Magento\Checkout\Model\ShippingInformationManagement as MageShippingInformationManagement;
+
+/**
+ * Class ShippingInformationManagement
+ *
+ * @package Boolfly\GiaoHangNhanh\Plugin\Checkout\Model
+ */
+class ShippingInformationManagement
+{
+    /**
+     * @var QuoteRepository
+     */
+    private $quoteRepository;
+
+    /**
+     * @var AddressFactory
+     */
+    private $customerAddressFactory;
+
+    /**
+     * ShippingInformationManagement constructor.
+     * @param QuoteRepository $quoteRepository
+     * @param AddressFactory $customerAddressFactory
+     */
+    public function __construct(
+        QuoteRepository $quoteRepository,
+        AddressFactory $customerAddressFactory
+    ) {
+        $this->quoteRepository = $quoteRepository;
+        $this->customerAddressFactory = $customerAddressFactory;
+    }
+
+    /**
+     * @param MageShippingInformationManagement $subject
+     * @param $cartId
+     * @param ShippingInformationInterface $addressInformation
+     * @throws NoSuchEntityException
+     */
+    public function beforeSaveAddressInformation(
+        MageShippingInformationManagement $subject,
+        $cartId,
+        ShippingInformationInterface $addressInformation
+    ) {
+        $quote = $this->quoteRepository->getActive($cartId);
+        $extensionAttributes = $addressInformation->getExtensionAttributes();
+        $shippingAddress = $quote->getShippingAddress();
+
+        if ($shippingAddress->getDistrict()) {
+            return;
+        }
+
+        if (!$extensionAttributes->getDistrict()) {
+            $customerAddressId = $addressInformation->getShippingAddress()->getCustomerAddressId();
+            $address = $this->customerAddressFactory->create()->load($customerAddressId);
+            $district = $address->getDistrict();
+        } else {
+            $district = $extensionAttributes->getDistrict();
+        }
+
+        $shippingAddress->setDistrict($district);
+    }
+}
diff --git a/Plugin/Checkout/Model/TotalsInformationManagement.php b/Plugin/Checkout/Model/TotalsInformationManagement.php
new file mode 100644
index 0000000..793722e
--- /dev/null
+++ b/Plugin/Checkout/Model/TotalsInformationManagement.php
@@ -0,0 +1,55 @@
+<?php declare(strict_types=1);
+/************************************************************
+ * *
+ *  * Copyright © Boolfly. All rights reserved.
+ *  * See COPYING.txt for license details.
+ *  *
+ *  * @author    info@boolfly.com
+ * *  @project   Giao hang nhanh
+ */
+namespace Boolfly\GiaoHangNhanh\Plugin\Checkout\Model;
+
+use Magento\Checkout\Api\Data\TotalsInformationInterface;
+use Magento\Checkout\Model\TotalsInformationManagement as MageTotalsInformationManagement;
+use Magento\Quote\Api\CartRepositoryInterface;
+
+/**
+ * Class TotalsInformationManagement
+ *
+ * @package Boolfly\GiaoHangNhanh\Plugin\Checkout\Model
+ */
+class TotalsInformationManagement
+{
+    /**
+     * Quote repository.
+     *
+     * @var CartRepositoryInterface
+     */
+    private $cartRepository;
+
+    /**
+     * TotalsInformationManagement constructor.
+     * @param CartRepositoryInterface $cartRepository
+     */
+    public function __construct(CartRepositoryInterface $cartRepository)
+    {
+        $this->cartRepository = $cartRepository;
+    }
+
+    public function beforeCalculate(
+        MageTotalsInformationManagement $subject,
+        $cartId,
+        TotalsInformationInterface $addressInformation
+    ) {
+        /** @var \Magento\Quote\Model\Quote $quote */
+        $quote = $this->cartRepository->get($cartId);
+        $shippingAddress = $quote->getShippingAddress();
+
+        if ($shippingAddress->getDistrict()) {
+            return;
+        }
+
+        $district = $addressInformation->getExtensionAttributes()->getDistrict();
+        $shippingAddress->setDistrict($district);
+    }
+}
diff --git a/Plugin/Quote/Model/EstimateByAddressIdBefore.php b/Plugin/Quote/Model/EstimateByAddressIdBefore.php
new file mode 100644
index 0000000..b5ed107
--- /dev/null
+++ b/Plugin/Quote/Model/EstimateByAddressIdBefore.php
@@ -0,0 +1,67 @@
+<?php declare(strict_types=1);
+/************************************************************
+ * *
+ *  * Copyright © Boolfly. All rights reserved.
+ *  * See COPYING.txt for license details.
+ *  *
+ *  * @author    info@boolfly.com
+ * *  @project   Giao hang nhanh
+ */
+namespace Boolfly\GiaoHangNhanh\Plugin\Quote\Model;
+
+use Magento\Customer\Model\AddressFactory;
+use Magento\Quote\Model\ShippingMethodManagement as MageShippingMethodManagement;
+use Magento\Framework\Exception\NoSuchEntityException;
+use Magento\Quote\Model\QuoteRepository;
+
+/**
+ * Class EstimateByAddressIdBefore
+ *
+ * @package Boolfly\GiaoHangNhanh\Plugin\Quote\Model
+ */
+class EstimateByAddressIdBefore
+{
+    /**
+     * @var QuoteRepository
+     */
+    private $quoteRepository;
+
+    /**
+     * @var AddressFactory
+     */
+    private $customerAddressFactory;
+
+    /**
+     * ShippingInformationManagement constructor.
+     * @param QuoteRepository $quoteRepository
+     * @param AddressFactory $customerAddressFactory
+     */
+    public function __construct(
+        QuoteRepository $quoteRepository,
+        AddressFactory $customerAddressFactory
+    ) {
+        $this->quoteRepository = $quoteRepository;
+        $this->customerAddressFactory = $customerAddressFactory;
+    }
+
+    /**
+     * @param MageShippingMethodManagement $subject
+     * @param $cartId
+     * @param $addressId
+     * @throws NoSuchEntityException
+     */
+    public function beforeEstimateByAddressId(
+        MageShippingMethodManagement $subject,
+        $cartId,
+        $addressId
+    ) {
+        /** @var \Magento\Quote\Model\Quote $quote */
+        $quote = $this->quoteRepository->getActive($cartId);
+        $address = $this->customerAddressFactory->create()->load($addressId);
+
+        if ($address->getId()) {
+            $district = $address->getDistrict();
+            $quote->getShippingAddress()->setDistrict($district);
+        }
+    }
+}
diff --git a/Plugin/Quote/Model/EstimateByExtendedAddressBefore.php b/Plugin/Quote/Model/EstimateByExtendedAddressBefore.php
new file mode 100644
index 0000000..c9498c4
--- /dev/null
+++ b/Plugin/Quote/Model/EstimateByExtendedAddressBefore.php
@@ -0,0 +1,55 @@
+<?php declare(strict_types=1);
+/************************************************************
+ * *
+ *  * Copyright © Boolfly. All rights reserved.
+ *  * See COPYING.txt for license details.
+ *  *
+ *  * @author    info@boolfly.com
+ * *  @project   Giao hang nhanh
+ */
+namespace Boolfly\GiaoHangNhanh\Plugin\Quote\Model;
+
+use Magento\Framework\Exception\NoSuchEntityException;
+use Magento\Quote\Api\Data\AddressInterface;
+use Magento\Quote\Model\QuoteRepository;
+use Magento\Quote\Model\ShippingMethodManagement as MageShippingMethodManagement;
+
+/**
+ * Class EstimateByExtendedAddressBefore
+ *
+ * @package Boolfly\GiaoHangNhanh\Plugin\Quote\Model
+ */
+class EstimateByExtendedAddressBefore
+{
+    /**
+     * @var QuoteRepository
+     */
+    private $quoteRepository;
+
+    /**
+     * EstimateByExtendedAddressBefore constructor.
+     * @param QuoteRepository $quoteRepository
+     */
+    public function __construct(QuoteRepository $quoteRepository)
+    {
+        $this->quoteRepository = $quoteRepository;
+    }
+
+
+    /**
+     * @param MageShippingMethodManagement $subject
+     * @param $cartId
+     * @param AddressInterface $address
+     * @throws NoSuchEntityException
+     */
+    public function beforeEstimateByExtendedAddress(
+        MageShippingMethodManagement $subject,
+        $cartId,
+        AddressInterface $address
+    ) {
+        /** @var \Magento\Quote\Model\Quote $quote */
+        $quote = $this->quoteRepository->getActive($cartId);
+        $district = $address->getExtensionAttributes()->getDistrict();
+        $quote->getShippingAddress()->setDistrict($district);
+    }
+}
diff --git a/Plugin/Quote/Model/Quote/Address.php b/Plugin/Quote/Model/Quote/Address.php
new file mode 100644
index 0000000..632ab6a
--- /dev/null
+++ b/Plugin/Quote/Model/Quote/Address.php
@@ -0,0 +1,30 @@
+<?php declare(strict_types=1);
+/************************************************************
+ * *
+ *  * Copyright © Boolfly. All rights reserved.
+ *  * See COPYING.txt for license details.
+ *  *
+ *  * @author    info@boolfly.com
+ * *  @project   Giao hang nhanh
+ */
+namespace Boolfly\GiaoHangNhanh\Plugin\Quote\Model\Quote;
+
+use Boolfly\GiaoHangNhanh\Setup\Patch\Data\AddressAttribute;
+use Magento\Quote\Model\Quote\Address as MageQuoteAddress;
+
+/**
+ * Class Address
+ *
+ * @package Boolfly\GiaoHangNhanh\Plugin\Quote\Model\Quote
+ */
+class Address
+{
+    public function afterExportCustomerAddress(MageQuoteAddress $subject, $result)
+    {
+        if ($district = $subject->getDistrict()) {
+            $result->setCustomAttribute(AddressAttribute::DISTRICT, $district);
+        }
+
+        return $result;
+    }
+}
diff --git a/Plugin/Sales/Block/Adminhtml/Order/Create/Billing/Address.php b/Plugin/Sales/Block/Adminhtml/Order/Create/Billing/Address.php
new file mode 100644
index 0000000..7adf190
--- /dev/null
+++ b/Plugin/Sales/Block/Adminhtml/Order/Create/Billing/Address.php
@@ -0,0 +1,61 @@
+<?php declare(strict_types=1);
+/************************************************************
+ * *
+ *  * Copyright © Boolfly. All rights reserved.
+ *  * See COPYING.txt for license details.
+ *  *
+ *  * @author    info@boolfly.com
+ * *  @project   Giao hang nhanh
+ */
+namespace Boolfly\GiaoHangNhanh\Plugin\Sales\Block\Adminhtml\Order\Create\Billing;
+
+use Boolfly\GiaoHangNhanh\Setup\Patch\Data\AddressAttribute;
+use Magento\Customer\Model\ResourceModel\AddressRepository;
+use Magento\Framework\Exception\LocalizedException;
+use Magento\Sales\Block\Adminhtml\Order\Create\Billing\Address as MageAddress;
+
+/**
+ * Class Address
+ *
+ * @package Boolfly\GiaoHangNhanh\Plugin\Sales\Block\Adminhtml\Order\Create\Billing
+ */
+class Address
+{
+    /**
+     * @var AddressRepository
+     */
+    private $addressRepository;
+
+    /**
+     * Address constructor.
+     * @param AddressRepository $addressRepository
+     */
+    public function __construct(AddressRepository $addressRepository)
+    {
+        $this->addressRepository = $addressRepository;
+    }
+
+    /**
+     * @param MageAddress $subject
+     * @throws LocalizedException
+     */
+    public function beforeGetFormValues(MageAddress $subject)
+    {
+        $customerAddressId = $subject->getAddressId();
+
+        if ($customerAddressId) {
+            try {
+                $customerAddress = $this->addressRepository->getById($customerAddressId);
+                $district = $customerAddress->getCustomAttribute(AddressAttribute::DISTRICT);
+
+                if ($district) {
+                    $subject->getCreateOrderModel()->getBillingAddress()->setDistrict($district->getValue());
+                }
+            } catch (LocalizedException $e) {
+                throw new LocalizedException(
+                    __("No such customer address with ID %1.", $customerAddressId)
+                );
+            }
+        }
+    }
+}
diff --git a/Plugin/Sales/Block/Adminhtml/Order/Create/Shipping/Address.php b/Plugin/Sales/Block/Adminhtml/Order/Create/Shipping/Address.php
new file mode 100644
index 0000000..3c941fc
--- /dev/null
+++ b/Plugin/Sales/Block/Adminhtml/Order/Create/Shipping/Address.php
@@ -0,0 +1,61 @@
+<?php declare(strict_types=1);
+/************************************************************
+ * *
+ *  * Copyright © Boolfly. All rights reserved.
+ *  * See COPYING.txt for license details.
+ *  *
+ *  * @author    info@boolfly.com
+ * *  @project   Giao hang nhanh
+ */
+namespace Boolfly\GiaoHangNhanh\Plugin\Sales\Block\Adminhtml\Order\Create\Shipping;
+
+use Boolfly\GiaoHangNhanh\Setup\Patch\Data\AddressAttribute;
+use Magento\Customer\Model\ResourceModel\AddressRepository;
+use Magento\Framework\Exception\LocalizedException;
+use Magento\Sales\Block\Adminhtml\Order\Create\Shipping\Address as MageAddress;
+
+/**
+ * Class Address
+ *
+ * @package Boolfly\GiaoHangNhanh\Plugin\Sales\Block\Adminhtml\Order\Create\Shipping
+ */
+class Address
+{
+    /**
+     * @var AddressRepository
+     */
+    private $addressRepository;
+
+    /**
+     * Address constructor.
+     * @param AddressRepository $addressRepository
+     */
+    public function __construct(AddressRepository $addressRepository)
+    {
+        $this->addressRepository = $addressRepository;
+    }
+
+    /**
+     * @param MageAddress $subject
+     * @throws LocalizedException
+     */
+    public function beforeGetFormValues(MageAddress $subject)
+    {
+        $customerAddressId = $subject->getAddressId();
+
+        if ($customerAddressId) {
+            try {
+                $customerAddress = $this->addressRepository->getById($customerAddressId);
+                $district = $customerAddress->getCustomAttribute(AddressAttribute::DISTRICT);
+
+                if ($district) {
+                    $subject->getAddress()->setDistrict($district->getValue());
+                }
+            } catch (LocalizedException $e) {
+                throw new LocalizedException(
+                    __("No such customer address with ID %1.", $customerAddressId)
+                );
+            }
+        }
+    }
+}
diff --git a/Plugin/Sales/Model/Order.php b/Plugin/Sales/Model/Order.php
new file mode 100644
index 0000000..dc24efb
--- /dev/null
+++ b/Plugin/Sales/Model/Order.php
@@ -0,0 +1,71 @@
+<?php declare(strict_types=1);
+/************************************************************
+ * *
+ *  * Copyright © Boolfly. All rights reserved.
+ *  * See COPYING.txt for license details.
+ *  *
+ *  * @author    info@boolfly.com
+ * *  @project   Giao hang nhanh
+ */
+namespace Boolfly\GiaoHangNhanh\Plugin\Sales\Model;
+
+use Boolfly\GiaoHangNhanh\Model\Service\Helper\SubjectReader;
+use Boolfly\IntegrationBase\Model\Service\Command\CommandPoolInterface;
+use Exception;
+use Magento\Sales\Model\Order as MageOrder;
+use Psr\Log\LoggerInterface;
+
+/**
+ * Class Order
+ *
+ * @package Boolfly\GiaoHangNhanh\Plugin\Sales\Model
+ */
+class Order
+{
+    const DEFAULT_ORDER_STATUS = 'ReadyToPick';
+
+    /**
+     * @var CommandPoolInterface
+     */
+    private $commandPool;
+
+    /**
+     * @var LoggerInterface
+     */
+    private $logger;
+
+    /**
+     * Order constructor.
+     * @param CommandPoolInterface $commandPool
+     * @param LoggerInterface $logger
+     */
+    public function __construct(
+        CommandPoolInterface $commandPool,
+        LoggerInterface $logger
+    ) {
+        $this->commandPool = $commandPool;
+        $this->logger = $logger;
+    }
+
+    /**
+     * @param MageOrder $subject
+     * @param $result
+     * @return bool
+     */
+    public function afterCanCancel(MageOrder $subject, $result)
+    {
+        if ($subject->getData('ghn_status') && $subject->getData('tracking_code')) {
+            try {
+                $commandResult = $this->commandPool->get('get_order_info')->execute(['order' => $subject]);
+                $orderInfo = SubjectReader::readInfo($commandResult->get());
+                if (SubjectReader::readCurrentOrderStatus($orderInfo) != self::DEFAULT_ORDER_STATUS) {
+                    $result = false;
+                }
+            } catch (Exception $e) {
+                $this->logger->error($e->getMessage());
+            }
+        }
+
+        return $result;
+    }
+}
diff --git a/Plugin/Shipping/Model/Shipping.php b/Plugin/Shipping/Model/Shipping.php
new file mode 100644
index 0000000..9c60091
--- /dev/null
+++ b/Plugin/Shipping/Model/Shipping.php
@@ -0,0 +1,76 @@
+<?php declare(strict_types=1);
+/************************************************************
+ * *
+ *  * Copyright © Boolfly. All rights reserved.
+ *  * See COPYING.txt for license details.
+ *  *
+ *  * @author    info@boolfly.com
+ * *  @project   Giao hang nhanh
+ */
+namespace Boolfly\GiaoHangNhanh\Plugin\Shipping\Model;
+
+use Magento\Framework\Exception\LocalizedException;
+use Magento\Quote\Model\Quote\Address;
+use Magento\Quote\Model\Quote\Address\RateRequest;
+use Magento\Quote\Model\Quote\Item\AbstractItem;
+use Magento\Shipping\Model\Shipping as MageShipping;
+
+/**
+ * Class Shipping
+ *
+ * @package Boolfly\GiaoHangNhanh\Plugin\Shipping\Model
+ */
+class Shipping
+{
+    /**
+     * @param MageShipping $subject
+     * @param RateRequest $rateRequest
+     */
+    public function beforeCollectRates(MageShipping $subject, RateRequest $rateRequest)
+    {
+        try {
+            $shippingAddress = $this->getShippingAddress($rateRequest);
+            $rateRequest->setShippingAddress($shippingAddress);
+
+            if ($district = $shippingAddress->getDistrict()) {
+                $rateRequest->setDistrict($district);
+            }
+        } catch (LocalizedException $exception) {
+            return;
+        }
+    }
+
+    /**
+     * Normalize rate request items. In rare cases they are not set at all.
+     *
+     * @param RateRequest $rateRequest
+     * @return AbstractItem[]
+     */
+    private function getItems(RateRequest $rateRequest)
+    {
+        if (!$rateRequest->getAllItems()) {
+            return [];
+        }
+
+        return $rateRequest->getAllItems();
+    }
+
+    /**
+     * Extract shipping address from rate request.
+     *
+     * @param RateRequest $rateRequest
+     * @return Address
+     * @throws LocalizedException
+     */
+    private function getShippingAddress(RateRequest $rateRequest)
+    {
+        $itemsToShip = $this->getItems($rateRequest);
+        $currentItem = current($itemsToShip);
+
+        if ($currentItem === false) {
+            throw new LocalizedException(__('No items to ship found in rates request.'));
+        }
+
+        return $currentItem->getAddress();
+    }
+}
diff --git a/README.md b/README.md
index 39af52c..a1ee9b9 100644
--- a/README.md
+++ b/README.md
@@ -1,29 +1,90 @@
-# README #
+# GiaoHangNhanh
 
-This README would normally document whatever steps are necessary to get your application up and running.
 
-### What is this repository for? ###
+## Installation
 
-* Quick summary
-* Version
-* [Learn Markdown](https://bitbucket.org/tutorials/markdowndemo)
+##### Using Composer (we recommended)
 
-### How do I get set up? ###
+```
+composer require boolfly/module-giaohangnhanh
+```
 
-* Summary of set up
-* Configuration
-* Dependencies
-* Database configuration
-* How to run tests
-* Deployment instructions
+## Configuration
 
-### Contribution guidelines ###
+First of all, we need to run command-line: bin/magento region:generate
 
-* Writing tests
-* Code review
-* Other guidelines
+This command-line will import region information data into database (required).
 
-### Who do I talk to? ###
+### Setup Currency
+
+We need to make sure our website supporting Vietnamese Dong.
+
+Log in to Admin, **STORES > Configurations > GENERAL > Currency Setup > Currency Options > Allowed Currencies**. Make sure the Vietnamese Dong is selected.
+
+![GiaoHangNhanh currency](https://image.prntscr.com/image/8ED4t6WaQKKz8M52s1Geiw.png)
+
+Go to Currency Rates, **STORES > Currency > Currency Rates**
+
+![GiaoHangNhanh currency](https://image.prntscr.com/image/JTrmMIRsQE2MwJdk4rslsg.png)
+
+### Config Store Information
+GiaoHangNhanh extension supports Vietnam store only.
+
+Log in to Admin, **STORES > Configurations > GENERAL > General > Store Information**
+
+ - Country: Select Vietnam.
+
+### Config API
+Log in to Admin, **STORES > Configurations > SALES > Shipping Methods > Giao Hang Nhanh**
+
+![GiaoHangNhanh Configuration](https://image.prntscr.com/image/6SGprE_CTm2sGHwQI0NBXQ.png)
+
+![GiaoHangNhanh Configuration](https://image.prntscr.com/image/rwRqazVlQYOcF_PwwivkTQ.png)
+
+Read more here:
+
+- https://api.ghn.vn
+- https://api.ghn.vn/home/faq
+
+Create Giao Hang Nhanh account to get the api token.
+
+Configuration info to integrate with GiaoHangNhanh API.
+
+   - Sandbox Mode: when testing, we should enable this mode
+   - Api Token: Use the info above.
+   - Payment type: Choose who will pay the payment fee.
+   - Note Code: Rule for the shipping.
+   - Debug: Enable to allow writing log.
+
+GiaoHangNhanh extension consists of Giao Hang Nhanh Express and Giao Hang Nhanh Standard. We need to fill neccessary information for these solutions (Advanced Settings).
+
+
+## How does it work?
+
+### Checkout
+ After enabling this method, go to the checkout, we can see this method.
+
+ ![GiaoHangNhanh Checkout](https://image.prntscr.com/image/AT57c1bTSMyfSQ5D6ZfGdQ.png)
+
+Contribution
+---
+Want to contribute to this extension? The quickest way is to open a [pull request on GitHub](https://help.github.com/articles/using-pull-requests)
+
+Magento 2 Extensions
+---
+
+- [Ajax Wishlist](https://github.com/boolfly/ajax-wishlist)
+- [Quick View](https://github.com/boolfly/quick-view)
+- [Banner Slider](https://github.com/boolfly/banner-slider)
+- [Product Label](https://github.com/boolfly/product-label)
+- [ZaloPay](https://github.com/boolfly/zalo-pay)
+- [Momo](https://github.com/boolfly/momo-wallet)
+- [Blog](https://github.com/boolfly/blog)
+- [Brand](https://github.com/boolfly/brand)
+- [Product Question](https://github.com/boolfly/product-question)
+- [Sales Sequence](https://github.com/boolfly/sales-sequence)
+
+Support
+---
+Need help settings up or want to customize this extension to meet your business needs? Please email boolfly.inc@gmail.com and if we like your idea we will add this feature for free or at a discounted rate.
 
-* Repo owner or admin
-* Other community or team contact
\ No newline at end of file
diff --git a/Setup/Patch/Data/AddressAttribute.php b/Setup/Patch/Data/AddressAttribute.php
new file mode 100644
index 0000000..b452366
--- /dev/null
+++ b/Setup/Patch/Data/AddressAttribute.php
@@ -0,0 +1,104 @@
+<?php declare(strict_types=1);
+/************************************************************
+ * *
+ *  * Copyright © Boolfly. All rights reserved.
+ *  * See COPYING.txt for license details.
+ *  *
+ *  * @author    info@boolfly.com
+ * *  @project   Giao hang nhanh
+ */
+namespace Boolfly\GiaoHangNhanh\Setup\Patch\Data;
+
+use Magento\Customer\Api\AddressMetadataInterface;
+use Magento\Eav\Model\Config;
+use Magento\Eav\Model\Entity\Attribute\ScopedAttributeInterface;
+use Magento\Eav\Setup\EavSetupFactory;
+use Magento\Framework\Exception\LocalizedException;
+use Magento\Framework\Setup\Patch\DataPatchInterface;
+use Zend_Validate_Exception;
+
+class AddressAttribute implements DataPatchInterface
+{
+    const DISTRICT = 'district';
+
+    /**
+     * @var Config
+     */
+    private $eavConfig;
+
+    /**
+     * @var EavSetupFactory
+     */
+    private $eavSetupFactory;
+
+    /**
+     * AddressAttribute constructor.
+     *
+     * @param Config              $eavConfig
+     * @param EavSetupFactory     $eavSetupFactory
+     */
+    public function __construct(
+        Config $eavConfig,
+        EavSetupFactory $eavSetupFactory
+    ) {
+        $this->eavConfig = $eavConfig;
+        $this->eavSetupFactory = $eavSetupFactory;
+    }
+
+    /**
+     * @return array|string[]
+     */
+    public static function getDependencies()
+    {
+        return [];
+    }
+
+    /**
+     * @return array|string[]
+     */
+    public function getAliases()
+    {
+        return [];
+    }
+
+    /**
+     * @return AddressAttribute|void
+     * @throws LocalizedException|Zend_Validate_Exception
+     */
+    public function apply()
+    {
+        $eavSetup = $this->eavSetupFactory->create();
+
+        $eavSetup->addAttribute(AddressMetadataInterface::ENTITY_TYPE_ADDRESS, self::DISTRICT, [
+            'group' => 'General',
+            'type' => 'varchar',
+            'label' => 'District',
+            'input' => 'text',
+            'required' => false,
+            'sort_order' => 110,
+            'global' => ScopedAttributeInterface::SCOPE_GLOBAL,
+            'is_used_in_grid' => true,
+            'is_visible_in_grid' => true,
+            'is_filterable_in_grid' => false,
+            'visible' => true,
+            'user_defined' => true,
+            'system' =>  0,
+            'is_html_allowed_on_front' => true,
+            'visible_on_front' => true
+        ]);
+
+        $eavSetup->addAttributeToSet(
+            AddressMetadataInterface::ENTITY_TYPE_ADDRESS,
+            AddressMetadataInterface::ATTRIBUTE_SET_ID_ADDRESS,
+            1,
+            self::DISTRICT
+        );
+
+        $district = $this->eavConfig->getAttribute(AddressMetadataInterface::ENTITY_TYPE_ADDRESS, self::DISTRICT);
+        $district->setData(
+            'used_in_forms',
+            ['adminhtml_customer_address','customer_address_edit','customer_register_address']
+        );
+        $district->save();
+    }
+}
\ No newline at end of file
diff --git a/composer.json b/composer.json
new file mode 100644
index 0000000..362d70c
--- /dev/null
+++ b/composer.json
@@ -0,0 +1,21 @@
+{
+    "name": "boolfly/module-giaohangnhanh",
+    "description": "Giao hang nhanh shipping method",
+    "require": {
+        "php": "~7.1.3||~7.2.0||~7.3.0",
+        "boolfly/module-integration-base": "^1.0.0"
+    },
+    "type": "magento2-module",
+    "license": [
+        "OSL-3.0",
+        "AFL-3.0"
+    ],
+    "autoload": {
+        "files": [
+            "registration.php"
+        ],
+        "psr-4": {
+            "Boolfly\\GiaoHangNhanh\\": ""
+        }
+    }
+}
diff --git a/etc/adminhtml/system.xml b/etc/adminhtml/system.xml
new file mode 100644
index 0000000..4030b4c
--- /dev/null
+++ b/etc/adminhtml/system.xml
@@ -0,0 +1,132 @@
+<?xml version="1.0"?>
+<config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:module:Magento_Config:etc/system_file.xsd">
+    <system>
+        <section id="carriers" translate="label" type="text" sortOrder="320" showInDefault="1" showInWebsite="1" showInStore="1">
+            <group id="giaohangnhanh" translate="label" type="text" sortOrder="0" showInDefault="1" showInWebsite="1" showInStore="1">
+                <label>Giao Hang Nhanh</label>
+                <group id="general" translate="label" type="text" sortOrder="0" showInDefault="1" showInWebsite="1" showInStore="1">
+                    <label>General Settings</label>
+                    <attribute type="expanded">1</attribute>
+                    <field id="sandbox_flag" translate="label" type="select" sortOrder="0" showInDefault="1" showInWebsite="1" showInStore="0">
+                        <label>Sandbox Mode</label>
+                        <source_model>Magento\Config\Model\Config\Source\Yesno</source_model>
+                        <config_path>giaohangnhanh_setting/general/sandbox_flag</config_path>
+                    </field>
+                    <field id="api_token" translate="label" type="obscure" sortOrder="1" showInDefault="1" showInWebsite="1" showInStore="1" canRestore="1">
+                        <label>Api Token</label>
+                        <backend_model>Magento\Config\Model\Config\Backend\Encrypted</backend_model>
+                        <comment>Set token to access giaohangnhanh api.</comment>
+                        <config_path>giaohangnhanh_setting/general/api_token</config_path>
+                    </field>
+                    <field id="payment_type" translate="label" type="select" sortOrder="2" showInDefault="1" showInWebsite="1" showInStore="0" canRestore="1">
+                        <label>Payment Type</label>
+                        <source_model>Boolfly\GiaoHangNhanh\Model\Config\Source\PaymentType</source_model>
+                        <config_path>giaohangnhanh_setting/general/payment_type</config_path>
+                    </field>
+                    <field id="note_code" translate="label" type="select" sortOrder="5" showInDefault="1" showInWebsite="1" showInStore="0" canRestore="1">
+                        <label>Note Code</label>
+                        <source_model>Boolfly\GiaoHangNhanh\Model\Config\Source\NoteCode</source_model>
+                        <config_path>giaohangnhanh_setting/general/note_code</config_path>
+                    </field>
+                    <field id="district" translate="label" type="select" sortOrder="6" showInDefault="1" showInWebsite="1" showInStore="0" canRestore="1">
+                        <label>Store District</label>
+                        <source_model>Boolfly\GiaoHangNhanh\Model\Config\Source\District</source_model>
+                        <config_path>giaohangnhanh_setting/general/district</config_path>
+                    </field>
+                    <field id="debug" translate="label" type="select" sortOrder="7" showInDefault="1" showInWebsite="1" showInStore="0">
+                        <label>Debug</label>
+                        <source_model>Magento\Config\Model\Config\Source\Yesno</source_model>
+                        <config_path>giaohangnhanh_setting/general/debug</config_path>
+                    </field>
+                </group>
+                <group id="advanced_settings" translate="label" type="text" sortOrder="0" showInDefault="1" showInWebsite="1" showInStore="1">
+                    <label>Advanced Settings</label>
+                    <group id="giaohangnhanh_express" translate="label" type="text" sortOrder="0" showInDefault="1" showInWebsite="1" showInStore="1">
+                        <label>Express Method</label>
+                        <field id="active" translate="label" type="select" sortOrder="1" showInDefault="1" showInWebsite="1" showInStore="0" canRestore="1">
+                            <label>Enabled</label>
+                            <source_model>Magento\Config\Model\Config\Source\Yesno</source_model>
+                            <config_path>carriers/giaohangnhanh_express/active</config_path>
+                        </field>
+                        <field id="name" translate="label" type="text" sortOrder="3" showInDefault="1" showInWebsite="1" showInStore="1" canRestore="1">
+                            <label>Method Name</label>
+                            <config_path>carriers/giaohangnhanh_express/name</config_path>
+                        </field>
+                        <field id="sort_order" translate="label" type="text" sortOrder="100" showInDefault="1" showInWebsite="1" showInStore="0">
+                            <label>Sort Order</label>
+                            <config_path>carriers/giaohangnhanh_express/sort_order</config_path>
+                        </field>
+                        <field id="title" translate="label" type="text" sortOrder="2" showInDefault="1" showInWebsite="1" showInStore="1" canRestore="1">
+                            <label>Title</label>
+                            <config_path>carriers/giaohangnhanh_express/title</config_path>
+                        </field>
+                        <field id="sallowspecific" translate="label" type="select" sortOrder="90" showInDefault="1" showInWebsite="1" showInStore="0" canRestore="1">
+                            <label>Ship to Applicable Countries</label>
+                            <frontend_class>shipping-applicable-country</frontend_class>
+                            <source_model>Magento\Shipping\Model\Config\Source\Allspecificcountries</source_model>
+                            <config_path>carriers/giaohangnhanh_express/sallowspecific</config_path>
+                        </field>
+                        <field id="specificcountry" translate="label" type="multiselect" sortOrder="91" showInDefault="1" showInWebsite="1" showInStore="0">
+                            <label>Ship to Specific Countries</label>
+                            <source_model>Magento\Directory\Model\Config\Source\Country</source_model>
+                            <can_be_empty>1</can_be_empty>
+                            <config_path>carriers/giaohangnhanh_express/specificcountry</config_path>
+                        </field>
+                        <field id="showmethod" translate="label" type="select" sortOrder="92" showInDefault="1" showInWebsite="1" showInStore="0">
+                            <label>Show Method if Not Applicable</label>
+                            <source_model>Magento\Config\Model\Config\Source\Yesno</source_model>
+                            <frontend_class>shipping-skip-hide</frontend_class>
+                            <config_path>carriers/giaohangnhanh_express/showmethod</config_path>
+                        </field>
+                        <field id="specificerrmsg" translate="label" type="textarea" sortOrder="80" showInDefault="1" showInWebsite="1" showInStore="1" canRestore="1">
+                            <label>Displayed Error Message</label>
+                            <config_path>carriers/giaohangnhanh_express/specificerrmsg</config_path>
+                        </field>
+                    </group>
+                    <group id="giaohangnhanh_standard" translate="label" type="text" sortOrder="0" showInDefault="1" showInWebsite="1" showInStore="1">
+                        <label>Standard Method</label>
+                        <field id="active" translate="label" type="select" sortOrder="1" showInDefault="1" showInWebsite="1" showInStore="0" canRestore="1">
+                            <label>Enabled</label>
+                            <source_model>Magento\Config\Model\Config\Source\Yesno</source_model>
+                            <config_path>carriers/giaohangnhanh_standard/active</config_path>
+                        </field>
+                        <field id="name" translate="label" type="text" sortOrder="3" showInDefault="1" showInWebsite="1" showInStore="1" canRestore="1">
+                            <label>Method Name</label>
+                            <config_path>carriers/giaohangnhanh_standard/name</config_path>
+                        </field>
+                        <field id="sort_order" translate="label" type="text" sortOrder="100" showInDefault="1" showInWebsite="1" showInStore="0">
+                            <label>Sort Order</label>
+                            <config_path>carriers/giaohangnhanh_standard/sort_order</config_path>
+                        </field>
+                        <field id="title" translate="label" type="text" sortOrder="2" showInDefault="1" showInWebsite="1" showInStore="1" canRestore="1">
+                            <label>Title</label>
+                            <config_path>carriers/giaohangnhanh_standard/title</config_path>
+                        </field>
+                        <field id="sallowspecific" translate="label" type="select" sortOrder="90" showInDefault="1" showInWebsite="1" showInStore="0" canRestore="1">
+                            <label>Ship to Applicable Countries</label>
+                            <frontend_class>shipping-applicable-country</frontend_class>
+                            <source_model>Magento\Shipping\Model\Config\Source\Allspecificcountries</source_model>
+                            <config_path>carriers/giaohangnhanh_standard/sallowspecific</config_path>
+                        </field>
+                        <field id="specificcountry" translate="label" type="multiselect" sortOrder="91" showInDefault="1" showInWebsite="1" showInStore="0">
+                            <label>Ship to Specific Countries</label>
+                            <source_model>Magento\Directory\Model\Config\Source\Country</source_model>
+                            <can_be_empty>1</can_be_empty>
+                            <config_path>carriers/giaohangnhanh_standard/specificcountry</config_path>
+                        </field>
+                        <field id="showmethod" translate="label" type="select" sortOrder="92" showInDefault="1" showInWebsite="1" showInStore="0">
+                            <label>Show Method if Not Applicable</label>
+                            <source_model>Magento\Config\Model\Config\Source\Yesno</source_model>
+                            <frontend_class>shipping-skip-hide</frontend_class>
+                            <config_path>carriers/giaohangnhanh_standard/showmethod</config_path>
+                        </field>
+                        <field id="specificerrmsg" translate="label" type="textarea" sortOrder="80" showInDefault="1" showInWebsite="1" showInStore="1" canRestore="1">
+                            <label>Displayed Error Message</label>
+                            <config_path>carriers/giaohangnhanh_standard/specificerrmsg</config_path>
+                        </field>
+                    </group>
+                </group>
+            </group>
+        </section>
+    </system>
+</config>
\ No newline at end of file
diff --git a/etc/config.xml b/etc/config.xml
new file mode 100644
index 0000000..3c221d9
--- /dev/null
+++ b/etc/config.xml
@@ -0,0 +1,46 @@
+<?xml version="1.0"?>
+<config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:module:Magento_Store:etc/config.xsd">
+    <default>
+        <giaohangnhanh_setting>
+            <general>
+                <api_token backend_model="Magento\Config\Model\Config\Backend\Encrypted"/>
+                <payment_type>2</payment_type>
+                <calculate_fee_url>CalculateFee</calculate_fee_url>
+                <sync_order_url>CreateOrder</sync_order_url>
+                <get_districts_url>GetDistricts</get_districts_url>
+                <note_code>CHOXEMHANGKHONGTHU</note_code>
+                <get_services_url>FindAvailableServices</get_services_url>
+                <get_order_infor_url>OrderInfo</get_order_infor_url>
+                <cancel_order_url>CancelOrder</cancel_order_url>
+                <debug>1</debug>
+                <sandbox_flag>1</sandbox_flag>
+                <default_height>10</default_height>
+                <default_width>10</default_width>
+                <default_length>10</default_length>
+                <debugReplaceKeys>token</debugReplaceKeys>
+                <giaohangnhanh_url>https://console.ghn.vn/api/v1/apiv3</giaohangnhanh_url>
+                <giaohangnhanh_sandbox_url>https://dev-online-gateway.ghn.vn/apiv3-api/api/v1/apiv3</giaohangnhanh_sandbox_url>
+            </general>
+        </giaohangnhanh_setting>
+        <carriers>
+            <giaohangnhanh_express>
+                <active>1</active>
+                <sallowspecific>0</sallowspecific>
+                <model>Boolfly\GiaoHangNhanh\Model\Carrier\GHN\Express</model>
+                <name>Giao Hang Nhanh(Express)</name>
+                <title>Giao Hang Nhanh</title>
+                <specificerrmsg>This shipping method is not available. To use this shipping method, please contact us.</specificerrmsg>
+                <handling_type>F</handling_type>
+            </giaohangnhanh_express>
+            <giaohangnhanh_standard>
+                <active>1</active>
+                <sallowspecific>0</sallowspecific>
+                <model>Boolfly\GiaoHangNhanh\Model\Carrier\GHN\Standard</model>
+                <name>Giao Hang Nhanh(Standard)</name>
+                <title>Giao Hang Nhanh</title>
+                <specificerrmsg>This shipping method is not available. To use this shipping method, please contact us.</specificerrmsg>
+                <handling_type>F</handling_type>
+            </giaohangnhanh_standard>
+        </carriers>
+    </default>
+</config>
\ No newline at end of file
diff --git a/etc/db_schema.xml b/etc/db_schema.xml
new file mode 100644
index 0000000..2ad67a7
--- /dev/null
+++ b/etc/db_schema.xml
@@ -0,0 +1,32 @@
+<?xml version="1.0"?>
+<schema xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+        xsi:noNamespaceSchemaLocation="urn:magento:framework:Setup/Declaration/Schema/etc/schema.xsd">
+    <table name="boolfly_giaohangnhanh_district" resource="default" engine="innodb"
+           comment="Boolfly giao hang nhanh district table">
+        <column xsi:type="int" name="entity_id" padding="11" unsigned="false" nullable="false" identity="true" comment="Entity ID"/>
+        <column xsi:type="int" name="district_id" unsigned="true" nullable="false" padding="11" comment="District Id"/>
+        <column xsi:type="varchar" name="province_id" nullable="false" length="32" comment="Province Id"/>
+        <column xsi:type="varchar" name="district_name" nullable="false" length="255" comment="District Name"/>
+        <constraint xsi:type="primary" referenceId="PRIMARY">
+            <column name="entity_id"/>
+        </constraint>
+    </table>
+    <table name="sales_order" resource="sales" engine="innodb">
+        <column xsi:type="smallint" name="ghn_status" nullable="true" default="0" unsigned="false" identity="false"
+                comment="Giaohangnhanh status"/>
+        <column xsi:type="varchar" name="tracking_code" nullable="true" length="255" comment="Tracking Code"/>
+        <column xsi:type="smallint" name="ghn_canceling_status" nullable="true" default="0" unsigned="false" identity="false"
+                comment="Giaohangnhanh canceling status"/>
+    </table>
+    <table name="quote_address" resource="checkout" engine="innodb">
+        <column xsi:type="varchar" name="district" nullable="true" length="11" comment="District"/>
+        <column xsi:type="varchar" name="shipping_service_id" nullable="true" length="11" comment="Shipping Service ID"/>
+    </table>
+    <table name="sales_order_grid" resource="sales" engine="innodb">
+        <column xsi:type="smallint" name="ghn_status" nullable="true" default="0" unsigned="false" identity="false"
+                comment="Giaohangnhanh status"/>
+        <column xsi:type="varchar" name="tracking_code" nullable="true" length="255" comment="Tracking Code"/>
+        <column xsi:type="smallint" name="ghn_canceling_status" nullable="true" default="0" unsigned="false" identity="false"
+                comment="Giaohangnhanh canceling status"/>
+    </table>
+</schema>
\ No newline at end of file
diff --git a/etc/db_schema_whitelist.json b/etc/db_schema_whitelist.json
new file mode 100644
index 0000000..47183c1
--- /dev/null
+++ b/etc/db_schema_whitelist.json
@@ -0,0 +1,29 @@
+{
+    "boolfly_giaohangnhanh_district": {
+        "column": {
+            "entity_id": true,
+            "district_id": true,
+            "province_id": true,
+            "district_name": true
+        },
+        "constraint": {
+            "PRIMARY": true
+        }
+    },
+    "sales_order": {
+        "column": {
+            "ghn_status": true
+        }
+    },
+    "quote_address": {
+        "column": {
+            "district": true,
+            "shipping_service_id": true
+        }
+    },
+    "sales_order_grid": {
+        "column": {
+            "ghn_status": true
+        }
+    }
+}
\ No newline at end of file
diff --git a/etc/di.xml b/etc/di.xml
new file mode 100644
index 0000000..8a24a86
--- /dev/null
+++ b/etc/di.xml
@@ -0,0 +1,226 @@
+<?xml version="1.0"?>
+<config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:framework:ObjectManager/etc/config.xsd">
+    <preference for="Magento\Customer\Controller\Address\FormPost" type="Boolfly\GiaoHangNhanh\Controller\Customer\Address\FormPost"/>
+    <type name="Boolfly\GiaoHangNhanh\Console\GenerateRegionCommand">
+        <arguments>
+            <!-- configure the command name via constructor $name argument -->
+            <argument name="name" xsi:type="string">region:generate</argument>
+            <argument name="commandPool" xsi:type="object">GhnCommandPool</argument>
+        </arguments>
+    </type>
+    <type name="Magento\Framework\Console\CommandListInterface">
+        <arguments>
+            <argument name="commands" xsi:type="array">
+                <item name="generate_region_data" xsi:type="object">
+                    Boolfly\GiaoHangNhanh\Console\GenerateRegionCommand
+                </item>
+            </argument>
+        </arguments>
+    </type>
+    <virtualType name="Magento\Sales\Model\ResourceModel\Order\Grid" type="Magento\Sales\Model\ResourceModel\Grid">
+        <arguments>
+            <argument name="columns" xsi:type="array">
+                <item name="ghn_status" xsi:type="string">sales_order.ghn_status</item>
+                <item name="tracking_code" xsi:type="string">sales_order.tracking_code</item>
+                <item name="ghn_canceling_status" xsi:type="string">sales_order.ghn_canceling_status</item>
+            </argument>
+        </arguments>
+    </virtualType>
+    <type name="Magento\Checkout\Model\ShippingInformationManagement">
+        <plugin name="SaveAddressInformationBefore" type="Boolfly\GiaoHangNhanh\Plugin\Checkout\Model\ShippingInformationManagement" sortOrder="22"/>
+    </type>
+    <type name="Magento\Quote\Model\ShippingMethodManagement">
+        <plugin name="EstimateByAddressIdBefore" type="Boolfly\GiaoHangNhanh\Plugin\Quote\Model\EstimateByAddressIdBefore" sortOrder="23"/>
+        <plugin name="EstimateByExtendedAddressBefore" type="Boolfly\GiaoHangNhanh\Plugin\Quote\Model\EstimateByExtendedAddressBefore" sortOrder="23"/>
+    </type>
+    <type name="Magento\Checkout\Model\TotalsInformationManagement">
+        <plugin name="CalculateBefore" type="Boolfly\GiaoHangNhanh\Plugin\Checkout\Model\TotalsInformationManagement" sortOrder="22"/>
+    </type>
+    <type name="Magento\Checkout\Block\Checkout\DirectoryDataProcessor">
+        <plugin name="DirectoryDataProcessorAfter" type="Boolfly\GiaoHangNhanh\Plugin\Checkout\Block\Checkout\DirectoryDataProcessor" sortOrder="22" />
+    </type>
+    <type name="Magento\Quote\Model\Quote\Address">
+        <plugin name="ExportCustomerAddressAfter" type="Boolfly\GiaoHangNhanh\Plugin\Quote\Model\Quote\Address" sortOrder="42" />
+    </type>
+    <type name="Magento\Shipping\Model\Shipping">
+        <plugin name="CollectRatesBefore" type="Boolfly\GiaoHangNhanh\Plugin\Shipping\Model\Shipping" sortOrder="22" />
+    </type>
+    <type name="Magento\Sales\Model\Order">
+        <plugin name="CanCancelAfter" type="Boolfly\GiaoHangNhanh\Plugin\Sales\Model\Order" sortOrder="12" />
+    </type>
+    <type name="Magento\Sales\Block\Adminhtml\Order\Create\Shipping\Address">
+        <plugin name="ShippingAddress-GetFormValuesBefore" type="Boolfly\GiaoHangNhanh\Plugin\Sales\Block\Adminhtml\Order\Create\Shipping\Address" sortOrder="12" />
+    </type>
+    <type name="Magento\Sales\Block\Adminhtml\Order\Create\Billing\Address">
+        <plugin name="BillingAddress-GetFormValuesBefore" type="Boolfly\GiaoHangNhanh\Plugin\Sales\Block\Adminhtml\Order\Create\Billing\Address" sortOrder="12" />
+    </type>
+    <type name="Magento\Checkout\Block\Cart\LayoutProcessor">
+        <plugin name="ProccessLayoutCartAfter" type="Boolfly\GiaoHangNhanh\Plugin\Checkout\Block\Checkout\Cart\LayoutProcessor" sortOrder="12" />
+    </type>
+    <!--Extensions-->
+    <type name="Boolfly\GiaoHangNhanh\Model\Carrier\GHN">
+        <arguments>
+            <argument name="commandPool" xsi:type="object">GhnCommandPool</argument>
+        </arguments>
+    </type>
+    <type name="Boolfly\GiaoHangNhanh\Observer\SalesOrderCancelAfterObserver">
+        <arguments>
+            <argument name="commandPool" xsi:type="object">GhnCommandPool</argument>
+        </arguments>
+    </type>
+    <type name="Boolfly\GiaoHangNhanh\Observer\SalesOrderPlaceAfterObserver">
+        <arguments>
+            <argument name="commandPool" xsi:type="object">GhnCommandPool</argument>
+        </arguments>
+    </type>
+    <type name="Boolfly\GiaoHangNhanh\Plugin\Sales\Model\Order">
+        <arguments>
+            <argument name="commandPool" xsi:type="object">GhnCommandPool</argument>
+        </arguments>
+    </type>
+    <virtualType name="GhnCommandPool" type="Boolfly\IntegrationBase\Model\Service\Command\CommandPool">
+        <arguments>
+            <argument name="commands" xsi:type="array">
+                <item name="get_services" xsi:type="string">GetServicesCommand</item>
+                <item name="calculate_rate" xsi:type="string">CalculateRateCommand</item>
+                <item name="cancel_order" xsi:type="string">CancelOrderCommand</item>
+                <item name="get_order_info" xsi:type="string">GetOrderInfoCommand</item>
+                <item name="synchronize_order" xsi:type="string">SynchronizeOrderCommand</item>
+                <item name="get_districts" xsi:type="string">GetDistrictsCommand</item>
+            </argument>
+        </arguments>
+    </virtualType>
+    <virtualType name="GetServicesCommand" type="Boolfly\GiaoHangNhanh\Model\Service\Command\ServiceCommand">
+        <arguments>
+            <argument name="requestBuilder" xsi:type="object">Boolfly\GiaoHangNhanh\Model\Service\Request\ShippingDetailsDataBuilder</argument>
+            <argument name="transferFactory" xsi:type="object">GetServicesTransferFactory</argument>
+            <argument name="client" xsi:type="object">GhnZendHttpClient</argument>
+            <argument name="resultKey" xsi:type="string">services</argument>
+        </arguments>
+    </virtualType>
+    <virtualType name="CalculateRateCommand" type="Boolfly\GiaoHangNhanh\Model\Service\Command\ServiceCommand">
+        <arguments>
+            <argument name="requestBuilder" xsi:type="object">Boolfly\GiaoHangNhanh\Model\Service\Request\ShippingDetailsDataBuilder</argument>
+            <argument name="transferFactory" xsi:type="object">CalculateRateTransferFactory</argument>
+            <argument name="client" xsi:type="object">GhnZendHttpClient</argument>
+            <argument name="resultKey" xsi:type="string">rate</argument>
+        </arguments>
+    </virtualType>
+    <virtualType name="CancelOrderCommand" type="Boolfly\GiaoHangNhanh\Model\Service\Command\ServiceCommand">
+        <arguments>
+            <argument name="requestBuilder" xsi:type="object">
+                Boolfly\GiaoHangNhanh\Model\Service\Request\OrderInfoDataBuilder
+            </argument>
+            <argument name="transferFactory" xsi:type="object">CancelOrderTransferFactory</argument>
+            <argument name="client" xsi:type="object">GhnZendHttpClient</argument>
+            <argument name="validator" xsi:type="object">Boolfly\GiaoHangNhanh\Model\Service\Validator\CancelOrderValidator</argument>
+            <argument name="handler" xsi:type="object">Boolfly\GiaoHangNhanh\Model\Service\Response\CancelOrderHandler</argument>
+        </arguments>
+    </virtualType>
+    <virtualType name="GetOrderInfoCommand" type="Boolfly\GiaoHangNhanh\Model\Service\Command\ServiceCommand">
+        <arguments>
+            <argument name="requestBuilder" xsi:type="object">Boolfly\GiaoHangNhanh\Model\Service\Request\OrderInfoDataBuilder</argument>
+            <argument name="transferFactory" xsi:type="object">GetOrderInfoTransferFactory</argument>
+            <argument name="client" xsi:type="object">GhnZendHttpClient</argument>
+            <argument name="resultKey" xsi:type="string">order_info</argument>
+        </arguments>
+    </virtualType>
+    <virtualType name="SynchronizeOrderCommand" type="Boolfly\GiaoHangNhanh\Model\Service\Command\ServiceCommand">
+        <arguments>
+            <argument name="requestBuilder" xsi:type="object">Boolfly\GiaoHangNhanh\Model\Service\Request\SynchronizeOrderDataBuilder</argument>
+            <argument name="transferFactory" xsi:type="object">SynchronizeOrderTransferFactory</argument>
+            <argument name="client" xsi:type="object">GhnZendHttpClient</argument>
+            <argument name="validator" xsi:type="object">Boolfly\GiaoHangNhanh\Model\Service\Validator\SynchronizeOrderValidator</argument>
+            <argument name="handler" xsi:type="object">Boolfly\GiaoHangNhanh\Model\Service\Response\SynchronizeOrderHandler</argument>
+        </arguments>
+    </virtualType>
+    <virtualType name="GetDistrictsCommand" type="Boolfly\GiaoHangNhanh\Model\Service\Command\ServiceCommand">
+        <arguments>
+            <argument name="requestBuilder" xsi:type="object">Boolfly\GiaoHangNhanh\Model\Service\Request\GetDistrictsDataBuilder</argument>
+            <argument name="transferFactory" xsi:type="object">GetDistrictsTransferFactory</argument>
+            <argument name="client" xsi:type="object">GhnZendHttpClient</argument>
+            <argument name="resultKey" xsi:type="string">districts</argument>
+        </arguments>
+    </virtualType>
+    <virtualType name="GetServicesTransferFactory" type="Boolfly\GiaoHangNhanh\Model\Service\Http\TransferFactory">
+        <arguments>
+            <argument name="path" xsi:type="const">Boolfly\GiaoHangNhanh\Model\Config::GETTING_SERVICES_URL</argument>
+        </arguments>
+    </virtualType>
+    <virtualType name="CalculateRateTransferFactory" type="Boolfly\GiaoHangNhanh\Model\Service\Http\TransferFactory">
+        <arguments>
+            <argument name="path" xsi:type="const">Boolfly\GiaoHangNhanh\Model\Config::CALCULATING_FEE_URL</argument>
+        </arguments>
+    </virtualType>
+    <virtualType name="CancelOrderTransferFactory" type="Boolfly\GiaoHangNhanh\Model\Service\Http\TransferFactory">
+        <arguments>
+            <argument name="path" xsi:type="const">Boolfly\GiaoHangNhanh\Model\Config::CANCELING_ORDER_URL</argument>
+        </arguments>
+    </virtualType>
+    <virtualType name="GetOrderInfoTransferFactory" type="Boolfly\GiaoHangNhanh\Model\Service\Http\TransferFactory">
+        <arguments>
+            <argument name="path" xsi:type="const">Boolfly\GiaoHangNhanh\Model\Config::GETTING_ORDER_INFOR</argument>
+        </arguments>
+    </virtualType>
+    <virtualType name="SynchronizeOrderTransferFactory" type="Boolfly\GiaoHangNhanh\Model\Service\Http\TransferFactory">
+        <arguments>
+            <argument name="path" xsi:type="const">Boolfly\GiaoHangNhanh\Model\Config::SYNCHRONIZING_ORDER_URL</argument>
+        </arguments>
+    </virtualType>
+    <virtualType name="GetDistrictsTransferFactory" type="Boolfly\GiaoHangNhanh\Model\Service\Http\TransferFactory">
+        <arguments>
+            <argument name="path" xsi:type="const">Boolfly\GiaoHangNhanh\Model\Config::GETTING_DISTRICTS_URL</argument>
+        </arguments>
+    </virtualType>
+    <!--custom logger-->
+    <virtualType name="GhnLogger" type="Boolfly\GiaoHangNhanh\Model\Logger\Logger">
+        <arguments>
+            <argument name="config" xsi:type="object">GhnConfig</argument>
+        </arguments>
+    </virtualType>
+    <virtualType name="Boolfly\GiaoHangNhanh\Model\Logger\VirtualDebug" type="Magento\Framework\Logger\Handler\Base">
+        <arguments>
+            <argument name="fileName" xsi:type="string">/var/log/bf_giaohangnhanh.log</argument>
+        </arguments>
+    </virtualType>
+    <virtualType name="Boolfly\GiaoHangNhanh\Model\Logger\VirtualLogger" type="Magento\Framework\Logger\Monolog">
+        <arguments>
+            <argument name="handlers" xsi:type="array">
+                <item name="debug" xsi:type="object">Boolfly\GiaoHangNhanh\Model\Logger\VirtualDebug</item>
+            </argument>
+        </arguments>
+    </virtualType>
+    <type name="Boolfly\GiaoHangNhanh\Model\Logger\Logger">
+        <arguments>
+            <argument name="logger" xsi:type="object">Boolfly\GiaoHangNhanh\Model\Logger\VirtualLogger</argument>
+        </arguments>
+    </type>
+    <!--end logger-->
+    <virtualType name="GhnZendHttpClient" type="Boolfly\GiaoHangNhanh\Model\Service\Http\Client\Zend">
+        <arguments>
+            <argument name="logger" xsi:type="object">GhnLogger</argument>
+            <argument name="converter" xsi:type="object">Boolfly\GiaoHangNhanh\Model\Service\Http\Converter\JsonToArray</argument>
+        </arguments>
+    </virtualType>
+    <virtualType name="GhnConfig" type="Boolfly\IntegrationBase\Model\Service\Config\Config">
+        <arguments>
+            <argument name="integrationType" xsi:type="const">Boolfly\GiaoHangNhanh\Model\Config::INTEGRATION_TYPE</argument>
+            <argument name="pathPattern" xsi:type="const">Boolfly\GiaoHangNhanh\Model\Config::DEFAULT_PATH_PATTERN</argument>
+        </arguments>
+    </virtualType>
+    <type name="Boolfly\GiaoHangNhanh\Model\Service\Validator\SynchronizeOrderValidator">
+        <arguments>
+            <argument name="config" xsi:type="object">GhnConfig</argument>
+        </arguments>
+    </type>
+    <type name="Boolfly\GiaoHangNhanh\Model\Service\Request\AbstractDataBuilder">
+        <arguments>
+            <argument name="config" xsi:type="object">GhnConfig</argument>
+        </arguments>
+    </type>
+    <type name="Boolfly\GiaoHangNhanh\Model\Service\Http\TransferFactory">
+        <arguments>
+            <argument name="config" xsi:type="object">GhnConfig</argument>
+        </arguments>
+    </type>
+</config>
diff --git a/etc/events.xml b/etc/events.xml
new file mode 100644
index 0000000..950c17d
--- /dev/null
+++ b/etc/events.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0"?>
+<config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:framework:Event/etc/events.xsd">
+    <event name="sales_order_place_after">
+        <observer name="sync_order_after_placing" instance="Boolfly\GiaoHangNhanh\Observer\SalesOrderPlaceAfterObserver"/>
+    </event>
+    <event name="order_cancel_after">
+        <observer name="cancel_giaohangnhanh_shipment_for_order" instance="Boolfly\GiaoHangNhanh\Observer\SalesOrderCancelAfterObserver"/>
+    </event>
+</config>
\ No newline at end of file
diff --git a/etc/extension_attributes.xml b/etc/extension_attributes.xml
new file mode 100644
index 0000000..a0a0e8c
--- /dev/null
+++ b/etc/extension_attributes.xml
@@ -0,0 +1,16 @@
+<?xml version="1.0"?>
+
+<config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:framework:Api/etc/extension_attributes.xsd">
+    <extension_attributes for="Magento\Checkout\Api\Data\ShippingInformationInterface">
+        <attribute code="district" type="string" />
+    </extension_attributes>
+    <extension_attributes for="Magento\Customer\Api\Data\AddressInterface">
+        <attribute code="district" type="string" />
+    </extension_attributes>
+    <extension_attributes for="Magento\Quote\Api\Data\AddressInterface">
+        <attribute code="district" type="string" />
+    </extension_attributes>
+    <extension_attributes for="Magento\Checkout\Api\Data\TotalsInformationInterface">
+        <attribute code="district" type="string" />
+    </extension_attributes>
+</config>
\ No newline at end of file
diff --git a/etc/frontend/di.xml b/etc/frontend/di.xml
new file mode 100644
index 0000000..c6f3581
--- /dev/null
+++ b/etc/frontend/di.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0"?>
+<config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:framework:ObjectManager/etc/config.xsd">
+    <type name="Magento\Checkout\Block\Checkout\LayoutProcessor">
+        <plugin name="add_district_to_checkout_form" type="Boolfly\GiaoHangNhanh\Plugin\Checkout\Block\Checkout\LayoutProcessor" sortOrder="22"/>
+    </type>
+</config>
diff --git a/etc/module.xml b/etc/module.xml
new file mode 100644
index 0000000..7d05a6b
--- /dev/null
+++ b/etc/module.xml
@@ -0,0 +1,12 @@
+<?xml version="1.0"?>
+<config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:framework:Module/etc/module.xsd">
+	<module name="Boolfly_GiaoHangNhanh" setup_version="1.0.0">
+		<sequence>
+			<module name="Magento_Store"/>
+			<module name="Magento_Sales"/>
+			<module name="Magento_Quote"/>
+			<module name="Magento_SalesRule"/>
+			<module name="Magento_Customer"/>
+		</sequence>
+	</module>
+</config>
\ No newline at end of file
diff --git a/registration.php b/registration.php
new file mode 100644
index 0000000..56d94d7
--- /dev/null
+++ b/registration.php
@@ -0,0 +1,9 @@
+<?php
+
+use Magento\Framework\Component\ComponentRegistrar;
+
+ComponentRegistrar::register(
+    ComponentRegistrar::MODULE,
+    'Boolfly_GiaoHangNhanh',
+    __DIR__
+);
diff --git a/view/adminhtml/layout/sales_order_create_load_block_data.xml b/view/adminhtml/layout/sales_order_create_load_block_data.xml
new file mode 100644
index 0000000..1d59beb
--- /dev/null
+++ b/view/adminhtml/layout/sales_order_create_load_block_data.xml
@@ -0,0 +1,27 @@
+<?xml version="1.0"?>
+<page xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:framework:View/Layout/etc/page_configuration.xsd">
+    <body>
+        <referenceBlock name="shipping_address">
+            <action method="setTemplate">
+                <argument name="template" xsi:type="string">Boolfly_GiaoHangNhanh::order/create/form/address.phtml</argument>
+            </action>
+            <arguments>
+                <!-- Newly added block argument -->
+                <argument name="additional_config" xsi:type="object">
+                    Boolfly\GiaoHangNhanh\Block\Customer\DataProviders\AdditionalConfig
+                </argument>
+            </arguments>
+        </referenceBlock>
+        <referenceBlock name="billing_address">
+            <action method="setTemplate">
+                <argument name="template" xsi:type="string">Boolfly_GiaoHangNhanh::order/create/form/address.phtml</argument>
+            </action>
+            <arguments>
+                <!-- Newly added block argument -->
+                <argument name="additional_config" xsi:type="object">
+                    Boolfly\GiaoHangNhanh\Block\Customer\DataProviders\AdditionalConfig
+                </argument>
+            </arguments>
+        </referenceBlock>
+    </body>
+</page>
\ No newline at end of file
diff --git a/view/adminhtml/layout/sales_order_create_load_block_shipping_address.xml b/view/adminhtml/layout/sales_order_create_load_block_shipping_address.xml
new file mode 100644
index 0000000..f6c54ad
--- /dev/null
+++ b/view/adminhtml/layout/sales_order_create_load_block_shipping_address.xml
@@ -0,0 +1,27 @@
+<?xml version="1.0"?>
+<page xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:framework:View/Layout/etc/page_configuration.xsd">
+    <body>
+        <referenceBlock name="shipping_address">
+            <action method="setTemplate">
+                <argument name="template" xsi:type="string">Boolfly_GiaoHangNhanh::order/create/form/address.phtml</argument>
+            </action>
+            <arguments>
+                <!-- Newly added block argument -->
+                <argument name="additional_config" xsi:type="object">
+                    Boolfly\GiaoHangNhanh\Block\Customer\DataProviders\AdditionalConfig
+                </argument>
+            </arguments>
+        </referenceBlock>
+        <referenceBlock name="billing_address">
+            <action method="setTemplate">
+                <argument name="template" xsi:type="string">Boolfly_GiaoHangNhanh::order/create/form/address.phtml</argument>
+            </action>
+            <arguments>
+                <!-- Newly added block argument -->
+                <argument name="additional_config" xsi:type="object">
+                    Boolfly\GiaoHangNhanh\Block\Customer\DataProviders\AdditionalConfig
+                </argument>
+            </arguments>
+        </referenceBlock>
+    </body>
+</page>
diff --git a/view/adminhtml/templates/order/create/form/address.phtml b/view/adminhtml/templates/order/create/form/address.phtml
new file mode 100644
index 0000000..60934f0
--- /dev/null
+++ b/view/adminhtml/templates/order/create/form/address.phtml
@@ -0,0 +1,146 @@
+<?php
+// @codingStandardsIgnoreFile
+
+/**
+ * @var \Magento\Customer\Model\ResourceModel\Address\Collection $addressCollection
+ */
+$addressCollection = $block->getData('customerAddressCollection');
+
+$addressArray = [];
+if ($block->getCustomerId()) {
+    $addressArray = $addressCollection->setCustomerFilter([$block->getCustomerId()])->toArray();
+}
+
+/**
+ * @var \Magento\Sales\ViewModel\Customer\AddressFormatter $customerAddressFormatter
+ */
+$customerAddressFormatter = $block->getData('customerAddressFormatter');
+
+/**
+ * @var \Magento\Sales\Block\Adminhtml\Order\Create\Billing\Address|\Magento\Sales\Block\Adminhtml\Order\Create\Shipping\Address $block
+ */
+
+$defaultRegion = null;
+$defaultDistrict = null;
+
+if (!empty($block->getFormValues()['region_id'])) {
+    $defaultRegion = $block->getFormValues()['region_id'];
+}
+
+if (!empty($block->getFormValues()['district'])) {
+    $defaultDistrict = $block->getFormValues()['district'];
+}
+
+if ($block->getIsShipping()):
+    $_fieldsContainerId = 'order-shipping_address_fields';
+    $_addressChoiceContainerId = 'order-shipping_address_choice';
+    ?>
+    <script>
+        require(["Magento_Sales/order/create/form"], function(){
+
+            order.shippingAddressContainer = '<?= /* @escapeNotVerified */ $_fieldsContainerId ?>';
+            order.setAddresses(<?= /* @escapeNotVerified */ $customerAddressFormatter->getAddressesJson($addressArray) ?>);
+
+        });
+    </script>
+    <script>
+        require(["Boolfly_GiaoHangNhanh/js/order/create/form/field/district"], function(district){
+            district(
+                {
+                    defaultRegion: "<?= $defaultRegion ?>",
+                    defaultDistrict: "<?= $defaultDistrict ?>",
+                    jsonConfig: <?= $block->getAdditionalConfig()->getJsonData(); ?>
+                }
+            );
+        });
+    </script>
+<?php
+else:
+    $_fieldsContainerId = 'order-billing_address_fields';
+    $_addressChoiceContainerId = 'order-billing_address_choice';
+    ?>
+    <script>
+        require(["Magento_Sales/order/create/form"], function(){
+            order.billingAddressContainer = '<?= /* @escapeNotVerified */ $_fieldsContainerId ?>';
+        });
+    </script>
+    <script>
+        require(["Boolfly_GiaoHangNhanh/js/order/create/form/field/district"], function(district){
+            district(
+                {
+                    defaultRegion: "<?= $defaultRegion ?>",
+                    defaultDistrict: "<?= $defaultDistrict ?>",
+                    jsonConfig: <?= $block->getAdditionalConfig()->getJsonData(); ?>,
+                    districtInput: '#order-billing_address_district',
+                    districtSelector: '#order-billing_address_district_id',
+                    regionSelector: '#order-billing_address_region_id',
+                    addressBox: '#order-billing_address_fields',
+                    districtSelectorID: 'order-billing_address_district_id'
+                }
+            );
+        });
+    </script>
+<?php
+endif; ?>
+
+<fieldset class="admin__fieldset">
+    <legend class="admin__legend <?= /* @escapeNotVerified */ $block->getHeaderCssClass() ?>">
+        <span><?= /* @escapeNotVerified */ $block->getHeaderText() ?></span>
+    </legend><br>
+
+    <fieldset id="<?= /* @escapeNotVerified */ $_addressChoiceContainerId ?>" class="admin__fieldset order-choose-address">
+        <?php if ($block->getIsShipping()): ?>
+            <div class="admin__field admin__field-option admin__field-shipping-same-as-billing">
+                <input type="checkbox" id="order-shipping_same_as_billing" name="shipping_same_as_billing"
+                       onclick="order.setShippingAsBilling(this.checked)" class="admin__control-checkbox"
+                       <?php if ($block->getIsAsBilling()): ?>checked<?php endif; ?> />
+                <label for="order-shipping_same_as_billing" class="admin__field-label">
+                    <?= /* @escapeNotVerified */ __('Same As Billing Address') ?>
+                </label>
+            </div>
+        <?php endif; ?>
+        <div class="admin__field admin__field-select-from-existing-address">
+            <label class="admin__field-label"><?= /* @escapeNotVerified */ __('Select from existing customer addresses:') ?></label>
+            <?php $_id = $block->getForm()->getHtmlIdPrefix() . 'customer_address_id' ?>
+            <div class="admin__field-control">
+                <select id="<?= /* @escapeNotVerified */ $_id ?>"
+                        name="<?= $block->getForm()->getHtmlNamePrefix() ?>[customer_address_id]"
+                        onchange="order.selectAddress(this, '<?= /* @escapeNotVerified */ $_fieldsContainerId ?>')"
+                        class="admin__control-select">
+                    <option value=""><?= /* @escapeNotVerified */ __('Add New Address') ?></option>
+                    <?php foreach ($addressArray as $addressId => $address): ?>
+                        <option
+                            value="<?= /* @escapeNotVerified */ $addressId ?>"<?php if ($addressId == $block->getAddressId()): ?> selected="selected"<?php endif; ?>>
+                            <?= /* @escapeNotVerified */ $block->escapeHtml($customerAddressFormatter->getAddressAsString($address)) ?>
+                        </option>
+                    <?php endforeach; ?>
+                </select>
+            </div>
+        </div>
+    </fieldset>
+
+    <div class="order-address admin__fieldset" id="<?= /* @escapeNotVerified */ $_fieldsContainerId ?>">
+        <?= $block->getForm()->toHtml() ?>
+
+        <div class="admin__field admin__field-option order-save-in-address-book">
+            <input name="<?= $block->getForm()->getHtmlNamePrefix() ?>[save_in_address_book]" type="checkbox" id="<?= $block->getForm()->getHtmlIdPrefix() ?>save_in_address_book" value="1"
+                <?php if (!$block->getDontSaveInAddressBook()): ?> checked="checked"<?php endif; ?> class="admin__control-checkbox"/>
+            <label for="<?= $block->getForm()->getHtmlIdPrefix() ?>save_in_address_book"
+                   class="admin__field-label"><?= /* @escapeNotVerified */ __('Save in address book') ?></label>
+        </div>
+    </div>
+    <?php $hideElement = 'address-' . ($block->getIsShipping() ? 'shipping' : 'billing') . '-overlay'; ?>
+    <div style="display: none;" id="<?= /* @escapeNotVerified */ $hideElement ?>" class="order-methods-overlay">
+        <span><?= /* @escapeNotVerified */ __('You don\'t need to select a shipping address.') ?></span>
+    </div>
+
+    <script>
+        require(["Magento_Sales/order/create/form"], function(){
+            order.bindAddressFields('<?= /* @escapeNotVerified */ $_fieldsContainerId ?>');
+            order.bindAddressFields('<?= /* @escapeNotVerified */ $_addressChoiceContainerId ?>');
+            <?php if ($block->getIsShipping() && $block->getIsAsBilling()): ?>
+            order.disableShippingAddress(true);
+            <?php endif; ?>
+        });
+    </script>
+</fieldset>
diff --git a/view/adminhtml/web/js/order/create/form/field/district.js b/view/adminhtml/web/js/order/create/form/field/district.js
new file mode 100644
index 0000000..1b0e60b
--- /dev/null
+++ b/view/adminhtml/web/js/order/create/form/field/district.js
@@ -0,0 +1,83 @@
+/* global AdminOrder */
+define([
+    'jquery',
+    'mage/translate',
+    'domReady!'
+], function ($, $t) {
+    'use strict';
+
+    $.widget('boolfly.adminDistrictUpdater', {
+        options: {
+            districtList: null,
+            defaultDistrict: null,
+            districtInput: '#order-shipping_address_district',
+            districtSelector: '#order-shipping_address_district_id',
+            regionSelector: '#order-shipping_address_region_id',
+            addressBox: '#order-shipping_address_fields',
+            districtSelectorID: 'order-shipping_address_district_id'
+        },
+
+        /**
+         *
+         * @private
+         */
+        _create: function () {
+            this.prepairAdditionalField();
+            this._bind();
+        },
+
+        _bind: function () {
+            let self = this,
+                districtInput = $(self.options.districtInput);
+
+            $(self.options.regionSelector).on('change', function () {
+                self.updateDistricts($(this).val());
+                $(self.options.districtSelector).trigger("change");
+            });
+
+            $(self.options.districtSelector).on('change', function () {
+                districtInput.val($(this).val());
+                districtInput.trigger("change");
+            });
+        },
+
+        prepairAdditionalField: function () {
+            let self = this,
+                defaultRegion = self.options.defaultRegion,
+                defaultDistrict = self.options.defaultDistrict;
+
+            $(self.options.districtInput).hide();
+
+            $(self.options.addressBox + " > .field-district > .control").append(
+                '<select id="' + self.options.districtSelectorID + '" type="text" class=" input-text admin__control-text" >' +
+                '<option value="" selected>' + $t('Please select district.') + '</option>' +
+                '</select>'
+            );
+
+            if (defaultRegion) {
+                self.updateDistricts(defaultRegion);
+
+                if (defaultDistrict) {
+                    if ($(self.options.districtSelector + " option[value=" + defaultDistrict + "]").length > 0) {
+                        $(self.options.districtSelector).val(defaultDistrict);
+                    }
+                }
+            }
+        },
+
+        updateDistricts: function (regionId) {
+            let self = this;
+            let districtSelector = $(self.options.districtSelector);
+            let districtList = self.options.jsonConfig.districts[parseInt(regionId)];
+
+            districtSelector.children('option:not(:first)').remove();
+
+            $.each(districtList, function (k, v) {
+                districtSelector.append(new Option(v.districtName, v.districtID));
+            });
+        }
+    });
+
+    return $.boolfly.adminDistrictUpdater;
+});
+
diff --git a/view/frontend/layout/checkout_cart_index.xml b/view/frontend/layout/checkout_cart_index.xml
new file mode 100644
index 0000000..c52d2d6
--- /dev/null
+++ b/view/frontend/layout/checkout_cart_index.xml
@@ -0,0 +1,24 @@
+<?xml version="1.0"?>
+<page xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:framework:View/Layout/etc/page_configuration.xsd">
+    <body>
+        <referenceBlock name="checkout.cart.shipping">
+            <arguments>
+                <argument name="jsLayout" xsi:type="array">
+                    <item name="components" xsi:type="array">
+                        <item name="summary-block-config" xsi:type="array">
+                            <item name="children" xsi:type="array">
+                                <item name="shipping-rates-validation" xsi:type="array">
+                                    <item name="children" xsi:type="array">
+                                        <item name="giaohangnhanh_express-rates-validation" xsi:type="array">
+                                            <item name="component" xsi:type="string">Boolfly_GiaoHangNhanh/js/view/shipping-rates-validation</item>
+                                        </item>
+                                    </item>
+                                </item>
+                            </item>
+                        </item>
+                    </item>
+                </argument>
+            </arguments>
+        </referenceBlock>
+    </body>
+</page>
diff --git a/view/frontend/layout/checkout_index_index.xml b/view/frontend/layout/checkout_index_index.xml
new file mode 100644
index 0000000..eb19b8c
--- /dev/null
+++ b/view/frontend/layout/checkout_index_index.xml
@@ -0,0 +1,39 @@
+<?xml version="1.0"?>
+<page xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" layout="1column" xsi:noNamespaceSchemaLocation="urn:magento:framework:View/Layout/etc/page_configuration.xsd">
+    <body>
+        <referenceBlock name="checkout.root">
+            <arguments>
+                <argument name="jsLayout" xsi:type="array">
+                    <item name="components" xsi:type="array">
+                        <item name="checkout" xsi:type="array">
+                            <item name="children" xsi:type="array">
+                                <item name="steps" xsi:type="array">
+                                    <item name="children" xsi:type="array">
+                                        <item name="shipping-step" xsi:type="array">
+                                            <item name="children" xsi:type="array">
+                                                <item name="step-config" xsi:type="array">
+                                                    <item name="children" xsi:type="array">
+                                                        <item name="shipping-rates-validation" xsi:type="array">
+                                                            <item name="children" xsi:type="array">
+                                                                <item name="giaohangnhanh_express-rates-validation" xsi:type="array">
+                                                                    <item name="component" xsi:type="string">Boolfly_GiaoHangNhanh/js/view/shipping-rates-validation-express</item>
+                                                                </item>
+                                                                <item name="giaohangnhanh_standard-rates-validation" xsi:type="array">
+                                                                    <item name="component" xsi:type="string">Boolfly_GiaoHangNhanh/js/view/shipping-rates-validation</item>
+                                                                </item>
+                                                            </item>
+                                                        </item>
+                                                    </item>
+                                                </item>
+                                            </item>
+                                        </item>
+                                    </item>
+                                </item>
+                            </item>
+                        </item>
+                    </item>
+                </argument>
+            </arguments>
+        </referenceBlock>
+    </body>
+</page>
\ No newline at end of file
diff --git a/view/frontend/layout/customer_address_form.xml b/view/frontend/layout/customer_address_form.xml
new file mode 100644
index 0000000..e43c7b0
--- /dev/null
+++ b/view/frontend/layout/customer_address_form.xml
@@ -0,0 +1,16 @@
+<?xml version="1.0"?>
+<page xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:framework:View/Layout/etc/page_configuration.xsd">
+    <body>
+        <referenceBlock name="customer_address_edit">
+            <action method="setTemplate">
+                <argument name="template" xsi:type="string">Boolfly_GiaoHangNhanh::address/edit.phtml</argument>
+            </action>
+            <arguments>
+                <!-- Newly added block argument -->
+                <argument name="additional_config" xsi:type="object">
+                    Boolfly\GiaoHangNhanh\Block\Customer\DataProviders\AdditionalConfig
+                </argument>
+            </arguments>
+        </referenceBlock>
+    </body>
+</page>
diff --git a/view/frontend/requirejs-config.js b/view/frontend/requirejs-config.js
new file mode 100644
index 0000000..65da46b
--- /dev/null
+++ b/view/frontend/requirejs-config.js
@@ -0,0 +1,10 @@
+var config = {
+    map: {
+        "*": {
+            'Magento_Checkout/js/model/shipping-save-processor/default': 'Boolfly_GiaoHangNhanh/js/model/shipping-save-processor/default',
+            'Magento_Checkout/js/model/shipping-rate-processor/new-address': 'Boolfly_GiaoHangNhanh/js/model/shipping-rate-processor/new-address',
+            'Magento_Checkout/js/model/cart/totals-processor/default': 'Boolfly_GiaoHangNhanh/js/model/cart/totals-processor/default',
+            districtUpdater: 'Boolfly_GiaoHangNhanh/js/district-updater'
+        }
+    }
+};
\ No newline at end of file
diff --git a/view/frontend/templates/address/edit.phtml b/view/frontend/templates/address/edit.phtml
new file mode 100644
index 0000000..7292690
--- /dev/null
+++ b/view/frontend/templates/address/edit.phtml
@@ -0,0 +1,228 @@
+<?php
+// @codingStandardsIgnoreFile
+
+/** @var \Magento\Customer\Block\Address\Edit $block */
+?>
+<?php $_company = $block->getLayout()->createBlock('Magento\Customer\Block\Widget\Company') ?>
+<?php $_telephone = $block->getLayout()->createBlock('Magento\Customer\Block\Widget\Telephone') ?>
+<?php $_fax = $block->getLayout()->createBlock('Magento\Customer\Block\Widget\Fax') ?>
+<form class="form-address-edit"
+      action="<?= $block->escapeUrl($block->getSaveUrl()) ?>"
+      method="post"
+      id="form-validate"
+      enctype="multipart/form-data"
+      data-hasrequired="<?= $block->escapeHtmlAttr(__('* Required Fields')) ?>">
+    <fieldset class="fieldset">
+        <legend class="legend"><span><?= $block->escapeHtml(__('Contact Information')) ?></span></legend><br>
+        <?= $block->getBlockHtml('formkey') ?>
+        <input type="hidden" name="success_url" value="<?= $block->escapeUrl($block->getSuccessUrl()) ?>">
+        <input type="hidden" name="error_url" value="<?= $block->escapeUrl($block->getErrorUrl()) ?>">
+        <?= $block->getNameBlockHtml() ?>
+
+        <?php if ($_company->isEnabled()): ?>
+            <?= $_company->setCompany($block->getAddress()->getCompany())->toHtml() ?>
+        <?php endif ?>
+
+        <?php if ($_telephone->isEnabled()): ?>
+            <?= $_telephone->setTelephone($block->getAddress()->getTelephone())->toHtml() ?>
+        <?php endif ?>
+
+        <?php if ($_fax->isEnabled()): ?>
+            <?= $_fax->setFax($block->getAddress()->getFax())->toHtml() ?>
+        <?php endif ?>
+
+    </fieldset>
+    <fieldset class="fieldset">
+        <legend class="legend"><span><?= $block->escapeHtml(__('Address')) ?></span></legend><br>
+        <?php $_streetValidationClass = $this->helper('Magento\Customer\Helper\Address')->getAttributeValidationClass('street'); ?>
+        <div class="field street required">
+            <label for="street_1" class="label">
+                <span><?= /* @noEscape */ $block->getAttributeData()->getFrontendLabel('street') ?></span>
+            </label>
+            <div class="control">
+                <input type="text"
+                       name="street[]"
+                       value="<?= $block->escapeHtmlAttr($block->getStreetLine(1)) ?>"
+                       title="<?= /* @noEscape */ $block->getAttributeData()->getFrontendLabel('street') ?>"
+                       id="street_1"
+                       class="input-text <?= $block->escapeHtmlAttr($_streetValidationClass) ?>"/>
+                <div class="nested">
+                    <?php $_streetValidationClass = trim(str_replace('required-entry', '', $_streetValidationClass)); ?>
+                    <?php for ($_i = 1, $_n = $this->helper('Magento\Customer\Helper\Address')->getStreetLines(); $_i < $_n; $_i++): ?>
+                        <div class="field additional">
+                            <label class="label" for="street_<?= /* @noEscape */ $_i + 1 ?>">
+                                <span><?= $block->escapeHtml(__('Street Address %1', $_i + 1)) ?></span>
+                            </label>
+                            <div class="control">
+                                <input type="text" name="street[]"
+                                       value="<?= $block->escapeHtmlAttr($block->getStreetLine($_i + 1)) ?>"
+                                       title="<?= $block->escapeHtmlAttr(__('Street Address %1', $_i + 1)) ?>"
+                                       id="street_<?= /* @noEscape */ $_i + 1 ?>"
+                                       class="input-text <?= $block->escapeHtmlAttr($_streetValidationClass) ?>">
+                            </div>
+                        </div>
+                    <?php endfor; ?>
+                </div>
+            </div>
+        </div>
+
+        <?php if ($this->helper('Magento\Customer\Helper\Address')->isVatAttributeVisible()) : ?>
+            <div class="field taxvat">
+                <label class="label" for="vat_id">
+                    <span><?= /* @noEscape */ $block->getAttributeData()->getFrontendLabel('vat_id') ?></span>
+                </label>
+                <div class="control">
+                    <input type="text"
+                           name="vat_id"
+                           value="<?= $block->escapeHtmlAttr($block->getAddress()->getVatId()) ?>"
+                           title="<?= /* @noEscape */ $block->getAttributeData()->getFrontendLabel('vat_id') ?>"
+                           class="input-text <?= $block->escapeHtmlAttr($this->helper('Magento\Customer\Helper\Address')->getAttributeValidationClass('vat_id')) ?>"
+                           id="vat_id">
+                </div>
+            </div>
+        <?php endif; ?>
+        <div class="field city required">
+            <label class="label" for="city"><span><?= /* @noEscape */ $block->getAttributeData()->getFrontendLabel('city') ?></span></label>
+            <div class="control">
+                <input type="text"
+                       name="city"
+                       value="<?= $block->escapeHtmlAttr($block->getAddress()->getCity()) ?>"
+                       title="<?= $block->escapeHtmlAttr(__('City')) ?>"
+                       class="input-text <?= $block->escapeHtmlAttr($this->helper('Magento\Customer\Helper\Address')->getAttributeValidationClass('city')) ?>"
+                       id="city">
+            </div>
+        </div>
+        <div class="field region required">
+            <label class="label" for="region_id">
+                <span><?= /* @noEscape */ $block->getAttributeData()->getFrontendLabel('region') ?></span>
+            </label>
+            <div class="control">
+                <select id="region_id" name="region_id"
+                        title="<?= /* @noEscape */ $block->getAttributeData()->getFrontendLabel('region') ?>"
+                        class="validate-select region_id" <?= /* @noEscape */ !$block->getConfig('general/region/display_all') ? ' disabled="disabled"' : '' ?>>
+                    <option value=""><?= $block->escapeHtml(__('Please select a region, state or province.')) ?></option>
+                </select>
+                <input type="text"
+                       id="region"
+                       name="region"
+                       value="<?= $block->escapeHtmlAttr($block->getRegion()) ?>"
+                       title="<?= /* @noEscape */ $block->getAttributeData()->getFrontendLabel('region') ?>"
+                       class="input-text validate-not-number-first <?= $block->escapeHtmlAttr($this->helper('Magento\Customer\Helper\Address')->getAttributeValidationClass('region')) ?>"<?= !$block->getConfig('general/region/display_all') ? ' disabled="disabled"' : '' ?>/>
+            </div>
+        </div>
+        <!--start custom code-->
+        <div class="field district">
+            <label class="label" for="district_id">
+                <span><?= /* @noEscape */ $block->getAttributeData()->getFrontendLabel('district') ?></span>
+            </label>
+            <div class="control">
+                <select id="district_id" name="district_id"
+                        title="<?= /* @noEscape */ $block->getAttributeData()->getFrontendLabel('district') ?>"
+                        class="validate-select district_id">
+                    <option value=""><?= $block->escapeHtml(__('Please select a district.')) ?></option>
+                </select>
+            </div>
+        </div>
+        <!--end custom code-->
+        <div class="field zip required">
+            <label class="label" for="zip">
+                <span><?= /* @noEscape */ $block->getAttributeData()->getFrontendLabel('postcode') ?></span>
+            </label>
+            <div class="control">
+                <input type="text"
+                       name="postcode"
+                       value="<?= $block->escapeHtmlAttr($block->getAddress()->getPostcode()) ?>"
+                       title="<?= /* @noEscape */ $block->getAttributeData()->getFrontendLabel('postcode') ?>"
+                       id="zip"
+                       class="input-text validate-zip-international <?= $block->escapeHtmlAttr($this->helper('Magento\Customer\Helper\Address')->getAttributeValidationClass('postcode')) ?>">
+                <div role="alert" class="message warning" style="display:none">
+                    <span></span>
+                </div>
+            </div>
+        </div>
+        <div class="field country required">
+            <label class="label" for="country"><span><?= /* @noEscape */ $block->getAttributeData()->getFrontendLabel('country_id') ?></span></label>
+            <div class="control">
+                <?= $block->getCountryHtmlSelect() ?>
+            </div>
+        </div>
+
+        <?php if ($block->isDefaultBilling()): ?>
+            <div class="message info">
+                <span><?= $block->escapeHtml(__("It's a default billing address.")) ?></span>
+            </div>
+        <?php elseif ($block->canSetAsDefaultBilling()): ?>
+            <div class="field choice set billing">
+                <input type="checkbox" id="primary_billing" name="default_billing" value="1" class="checkbox">
+                <label class="label" for="primary_billing">
+                    <span><?= $block->escapeHtml(__('Use as my default billing address')) ?></span>
+                </label>
+            </div>
+        <?php else: ?>
+            <input type="hidden" name="default_billing" value="1" />
+        <?php endif; ?>
+
+        <?php if ($block->isDefaultShipping()): ?>
+            <div class="message info">
+                <span><?= $block->escapeHtml(__("It's a default shipping address.")) ?></span>
+            </div>
+        <?php elseif ($block->canSetAsDefaultShipping()): ?>
+            <div class="field choice set shipping">
+                <input type="checkbox" id="primary_shipping" name="default_shipping" value="1" class="checkbox">
+                <label class="label" for="primary_shipping">
+                    <span><?= $block->escapeHtml(__('Use as my default shipping address')) ?></span>
+                </label>
+            </div>
+        <?php else: ?>
+            <input type="hidden" name="default_shipping" value="1">
+        <?php endif; ?>
+    </fieldset>
+    <div class="actions-toolbar">
+        <div class="primary">
+            <button type="submit"
+                    class="action save primary"
+                    data-action="save-address"
+                    title="<?= $block->escapeHtmlAttr(__('Save Address')) ?>">
+                <span><?= $block->escapeHtml(__('Save Address')) ?></span>
+            </button>
+        </div>
+        <div class="secondary">
+            <a class="action back" href="<?= $block->escapeUrl($block->getBackUrl()) ?>">
+                <span><?= $block->escapeHtml(__('Go back')) ?></span>
+            </a>
+        </div>
+    </div>
+</form>
+<?php
+    $defaultDistrict = $block->getAddress()->getCustomAttribute('district');
+?>
+?>
+<script type="text/x-magento-init">
+    {
+        "#form-validate": {
+            "addressValidation": {
+                "postCodes": <?= /* @noEscape */ $block->getPostCodeConfig()->getSerializedPostCodes(); ?>
+            }
+        },
+        "#country": {
+            "regionUpdater": {
+                "optionalRegionAllowed": <?= /* @noEscape */ $block->getConfig('general/region/display_all') ? 'true' : 'false' ?>,
+                "regionListId": "#region_id",
+                "regionInputId": "#region",
+                "postcodeId": "#zip",
+                "form": "#form-validate",
+                "regionJson": <?= /* @noEscape */ $this->helper(\Magento\Directory\Helper\Data::class)->getRegionJson() ?>,
+                "defaultRegion": "<?= (int) $block->getRegionId() ?>",
+                "countriesWithOptionalZip": <?= /* @noEscape */ $this->helper(\Magento\Directory\Helper\Data::class)->getCountriesWithOptionalZip(true) ?>
+            }
+        },
+        "#region_id": {
+            "districtUpdater": {
+                "districtListId": "#district_id",
+                "defaultRegion": "<?= (int) $block->getRegionId() ?>",
+                "defaultDistrict": "<?= $defaultDistrict ? $defaultDistrict->getValue() : '' ?>",
+                "jsonConfig": <?= /* @noEscape */ $block->getAdditionalConfig()->getJsonData(); ?>
+            }
+        }
+    }
+</script>
diff --git a/view/frontend/web/js/district-updater.js b/view/frontend/web/js/district-updater.js
new file mode 100644
index 0000000..ce5938c
--- /dev/null
+++ b/view/frontend/web/js/district-updater.js
@@ -0,0 +1,58 @@
+define([
+    'jquery',
+    'underscore',
+    'jquery/ui',
+    'mage/validation',
+    'domReady!'
+], function ($, _) {
+    'use strict';
+
+    $.widget('boolfly.districtUpdater', {
+        options: {
+            isRegionRequired: true,
+            districtList: null,
+            defaultDistrict: ''
+        },
+
+        /**
+         *
+         * @private
+         */
+        _create: function () {
+            let self = this;
+            let defaultDistrict = self.options.defaultDistrict;
+            let districtSelector = $(self.options.districtListId);
+            let regionId = self.options.defaultRegion;
+
+            self.updateDistricts(regionId);
+
+            if (defaultDistrict) {
+                districtSelector.val(defaultDistrict);
+            }
+
+            self._bind();
+        },
+
+        _bind: function () {
+            let self = this;
+
+            self.element.on('change', function () {
+                self.updateDistricts($(this).val());
+            });
+        },
+
+        updateDistricts: function (regionId) {
+            let self = this;
+            let districtSelector = $(self.options.districtListId);
+            let districtList = self.options.jsonConfig.districts[regionId];
+
+            districtSelector.children('option:not(:first)').remove();
+
+            $.each(districtList, function (k, v) {
+                districtSelector.append(new Option(v.districtName, v.districtID));
+            });
+        }
+    });
+
+    return $.boolfly.districtUpdater;
+});
diff --git a/view/frontend/web/js/model/cart/totals-processor/default.js b/view/frontend/web/js/model/cart/totals-processor/default.js
new file mode 100644
index 0000000..bef23e3
--- /dev/null
+++ b/view/frontend/web/js/model/cart/totals-processor/default.js
@@ -0,0 +1,102 @@
+define([
+    'underscore',
+    'Magento_Checkout/js/model/resource-url-manager',
+    'Magento_Checkout/js/model/quote',
+    'mage/storage',
+    'Magento_Checkout/js/model/totals',
+    'Magento_Checkout/js/model/error-processor',
+    'Magento_Checkout/js/model/cart/cache',
+    'Magento_Customer/js/customer-data'
+], function (_, resourceUrlManager, quote, storage, totalsService, errorProcessor, cartCache, customerData) {
+    'use strict';
+
+    /**
+     * Load data from server.
+     *
+     * @param {Object} address
+     */
+    var loadFromServer = function (address) {
+        var serviceUrl,
+            payload;
+
+        // Start loader for totals block
+        totalsService.isLoading(true);
+        serviceUrl = resourceUrlManager.getUrlForTotalsEstimationForNewAddress(quote);
+        let district = jQuery('[name="district"]').val();
+        payload = {
+            addressInformation: {
+                address: _.pick(address, cartCache.requiredFields),
+                extension_attributes: {
+                    district: district
+                }
+            }
+        };
+
+        if (quote.shippingMethod() && quote.shippingMethod()['method_code']) {
+            payload.addressInformation['shipping_method_code'] = quote.shippingMethod()['method_code'];
+            payload.addressInformation['shipping_carrier_code'] = quote.shippingMethod()['carrier_code'];
+        }
+
+        return storage.post(
+            serviceUrl, JSON.stringify(payload), false
+        ).done(function (result) {
+            var data = {
+                totals: result,
+                address: address,
+                cartVersion: customerData.get('cart')()['data_id'],
+                shippingMethodCode: null,
+                shippingCarrierCode: null
+            };
+
+            if (quote.shippingMethod() && quote.shippingMethod()['method_code']) {
+                data.shippingMethodCode = quote.shippingMethod()['method_code'];
+                data.shippingCarrierCode = quote.shippingMethod()['carrier_code'];
+            }
+
+            quote.setTotals(result);
+            cartCache.set('cart-data', data);
+        }).fail(function (response) {
+            errorProcessor.process(response);
+        }).always(function () {
+            // Stop loader for totals block
+            totalsService.isLoading(false);
+        });
+    };
+
+    return {
+        /**
+         * Array of required address fields.
+         * @property {Array.String} requiredFields
+         * @deprecated Use cart cache.
+         */
+        requiredFields: cartCache.requiredFields,
+
+        /**
+         * Get shipping rates for specified address.
+         * @param {Object} address
+         */
+        estimateTotals: function (address) {
+            var data = {
+                shippingMethodCode: null,
+                shippingCarrierCode: null
+            };
+
+            if (quote.shippingMethod() && quote.shippingMethod()['method_code']) {
+                data.shippingMethodCode = quote.shippingMethod()['method_code'];
+                data.shippingCarrierCode = quote.shippingMethod()['carrier_code'];
+            }
+
+            if (!cartCache.isChanged('cartVersion', customerData.get('cart')()['data_id']) &&
+                !cartCache.isChanged('shippingMethodCode', data.shippingMethodCode) &&
+                !cartCache.isChanged('shippingCarrierCode', data.shippingCarrierCode) &&
+                !cartCache.isChanged('address', address) &&
+                cartCache.get('totals') &&
+                !cartCache.isChanged('subtotal', parseFloat(quote.totals().subtotal))
+            ) {
+                quote.setTotals(cartCache.get('totals'));
+            } else {
+                return loadFromServer(address);
+            }
+        }
+    };
+});
diff --git a/view/frontend/web/js/model/shipping-rate-processor/new-address.js b/view/frontend/web/js/model/shipping-rate-processor/new-address.js
new file mode 100644
index 0000000..9331d5b
--- /dev/null
+++ b/view/frontend/web/js/model/shipping-rate-processor/new-address.js
@@ -0,0 +1,80 @@
+define([
+    'Magento_Checkout/js/model/resource-url-manager',
+    'Magento_Checkout/js/model/quote',
+    'mage/storage',
+    'Magento_Checkout/js/model/shipping-service',
+    'Magento_Checkout/js/model/shipping-rate-registry',
+    'Magento_Checkout/js/model/error-processor'
+], function (resourceUrlManager, quote, storage, shippingService, rateRegistry, errorProcessor) {
+    'use strict';
+
+    return {
+        /**
+         * Get shipping rates for specified address.
+         * @param {Object} address
+         */
+        getRates: function (address) {
+            var cache, serviceUrl, payload;
+            var district = '';
+
+            shippingService.isLoading(true);
+            cache = rateRegistry.get(address.getCacheKey());
+            serviceUrl = resourceUrlManager.getUrlForEstimationShippingMethodsForNewAddress(quote);
+
+            if (typeof address.customAttributes === "undefined") {
+                district = jQuery('[name="district"]').val();
+            } else {
+                jQuery.each(address.customAttributes, function (k, v) {
+                    if (v.attribute_code == 'district') {
+                        district = v.value;
+                    }
+                });
+            }
+
+            payload = JSON.stringify({
+                    address: {
+                        'street': address.street,
+                        'city': address.city,
+                        'region_id': address.regionId,
+                        'region': address.region,
+                        'country_id': address.countryId,
+                        'postcode': address.postcode,
+                        'email': address.email,
+                        'customer_id': address.customerId,
+                        'firstname': address.firstname,
+                        'lastname': address.lastname,
+                        'middlename': address.middlename,
+                        'prefix': address.prefix,
+                        'suffix': address.suffix,
+                        'vat_id': address.vatId,
+                        'company': address.company,
+                        'telephone': address.telephone,
+                        'fax': address.fax,
+                        'custom_attributes': address.customAttributes,
+                        'extension_attributes': {
+                            'district': district
+                        },
+                        'save_in_address_book': address.saveInAddressBook
+                    }
+                }
+            );
+
+            if (cache) {
+                shippingService.setShippingRates(cache);
+                shippingService.isLoading(false);
+            } else {
+                storage.post(
+                    serviceUrl, payload, false
+                ).done(function (result) {
+                    rateRegistry.set(address.getCacheKey(), result);
+                    shippingService.setShippingRates(result);
+                }).fail(function (response) {
+                    shippingService.setShippingRates([]);
+                    errorProcessor.process(response);
+                }).always(function () {
+                    shippingService.isLoading(false);
+                });
+            }
+        }
+    };
+});
diff --git a/view/frontend/web/js/model/shipping-rates-validation-rules.js b/view/frontend/web/js/model/shipping-rates-validation-rules.js
new file mode 100644
index 0000000..6df9e81
--- /dev/null
+++ b/view/frontend/web/js/model/shipping-rates-validation-rules.js
@@ -0,0 +1,23 @@
+define([
+    'Magento_Customer/js/model/customer'
+], function (customer) {
+    'use strict';
+
+    return {
+        /**
+         * @return {Object}
+         */
+        getRules: function () {
+            let rules = {};
+            if (!customer.isLoggedIn()) {
+                rules = {
+                    'district': {
+                        'required': true
+                    }
+                };
+            }
+
+            return rules;
+        }
+    };
+});
diff --git a/view/frontend/web/js/model/shipping-rates-validator.js b/view/frontend/web/js/model/shipping-rates-validator.js
new file mode 100644
index 0000000..06fa5d4
--- /dev/null
+++ b/view/frontend/web/js/model/shipping-rates-validator.js
@@ -0,0 +1,23 @@
+define([
+    'jquery',
+    'mageUtils',
+    'Boolfly_GiaoHangNhanh/js/model/shipping-rates-validation-rules',
+    'mage/translate'
+], function ($, utils, validationRules, $t) {
+    'use strict';
+
+    return {
+        validationErrors: [],
+        validate: function(address) {
+            var self = this;
+            this.validationErrors = [];
+            $.each(validationRules.getRules(), function(field, rule) {
+                if (rule.required && utils.isEmpty(address[field])) {
+                    var message = $t('Field ') + field + $t(' is required.');
+                    self.validationErrors.push(message);
+                }
+            });
+            return !Boolean(this.validationErrors.length);
+        }
+    };
+});
diff --git a/view/frontend/web/js/model/shipping-save-processor/default.js b/view/frontend/web/js/model/shipping-save-processor/default.js
new file mode 100644
index 0000000..23ae7eb
--- /dev/null
+++ b/view/frontend/web/js/model/shipping-save-processor/default.js
@@ -0,0 +1,73 @@
+define(
+    [
+        'jquery',
+        'ko',
+        'Magento_Checkout/js/model/quote',
+        'Magento_Checkout/js/model/resource-url-manager',
+        'mage/storage',
+        'Magento_Checkout/js/model/payment-service',
+        'Magento_Checkout/js/model/payment/method-converter',
+        'Magento_Checkout/js/model/error-processor',
+        'Magento_Checkout/js/model/full-screen-loader',
+        'Magento_Checkout/js/action/select-billing-address'
+    ],
+    function (
+        $,
+        ko,
+        quote,
+        resourceUrlManager,
+        storage,
+        paymentService,
+        methodConverter,
+        errorProcessor,
+        fullScreenLoader,
+        selectBillingAddressAction
+    ) {
+        'use strict';
+
+        return {
+            saveShippingInformation: function () {
+                var payload;
+
+                if (!quote.billingAddress()) {
+                    selectBillingAddressAction(quote.shippingAddress());
+                }
+
+                var district = $('[name="custom_attributes[district]"]').val();
+
+                payload = {
+                    addressInformation: {
+                        shipping_address: quote.shippingAddress(),
+                        billing_address: quote.billingAddress(),
+                        shipping_method_code: quote.shippingMethod().method_code,
+                        shipping_carrier_code: quote.shippingMethod().carrier_code,
+                        extension_attributes:{
+                            district: district
+
+                        }
+                    }
+                };
+
+                fullScreenLoader.startLoader();
+
+                return storage.post(
+                    resourceUrlManager.getUrlForSetShippingInformation(quote),
+                    JSON.stringify(payload)
+                ).done(
+                    function (response) {
+                        quote.setTotals(response.totals);
+                        paymentService.setPaymentMethods(methodConverter(response.payment_methods));
+                        fullScreenLoader.stopLoader();
+                    }
+                ).fail(
+                    function (response) {
+                        errorProcessor.process(response);
+                        fullScreenLoader.stopLoader();
+                    }
+                );
+            }
+        };
+    }
+);
+
+
diff --git a/view/frontend/web/js/view/cart/shipping/district.js b/view/frontend/web/js/view/cart/shipping/district.js
new file mode 100644
index 0000000..03032e6
--- /dev/null
+++ b/view/frontend/web/js/view/cart/shipping/district.js
@@ -0,0 +1,14 @@
+define([
+    'jquery',
+    'Boolfly_GiaoHangNhanh/js/view/checkout/shipping/district'
+], function ($, Component) {
+    'use strict';
+
+    return Component.extend({
+        defaults: {
+            imports: {
+                update: '${ $.parentName }.country_id:value'
+            }
+        }
+    });
+});
\ No newline at end of file
diff --git a/view/frontend/web/js/view/checkout/shipping/district.js b/view/frontend/web/js/view/checkout/shipping/district.js
new file mode 100644
index 0000000..0737fb8
--- /dev/null
+++ b/view/frontend/web/js/view/checkout/shipping/district.js
@@ -0,0 +1,24 @@
+define([
+    'jquery',
+    'Magento_Ui/js/form/element/select'
+], function ($, Select) {
+    'use strict';
+
+    return Select.extend({
+        defaults: {
+            imports: {
+                update: 'checkout.steps.shipping-step.shippingAddress.shipping-address-fieldset.country_id:value'
+            }
+        },
+
+        update: function (value) {
+            if (value === 'VN') {
+                this.validation['required-entry'] = true;
+                this.required(true);
+                this.setVisible(true);
+            } else {
+                this.setVisible(false);
+            }
+        }
+    });
+});
\ No newline at end of file
diff --git a/view/frontend/web/js/view/shipping-rates-validation-express.js b/view/frontend/web/js/view/shipping-rates-validation-express.js
new file mode 100644
index 0000000..5253f8e
--- /dev/null
+++ b/view/frontend/web/js/view/shipping-rates-validation-express.js
@@ -0,0 +1,20 @@
+define([
+    'uiComponent',
+    'Magento_Checkout/js/model/shipping-rates-validator',
+    'Magento_Checkout/js/model/shipping-rates-validation-rules',
+    'Boolfly_GiaoHangNhanh/js/model/shipping-rates-validator',
+    'Boolfly_GiaoHangNhanh/js/model/shipping-rates-validation-rules'
+], function (
+    Component,
+    defaultShippingRatesValidator,
+    defaultShippingRatesValidationRules,
+    ghnShippingRatesValidator,
+    ghnShippingRatesValidationRules
+) {
+    'use strict';
+
+    defaultShippingRatesValidator.registerValidator('giaohangnhanh_express', ghnShippingRatesValidator);
+    defaultShippingRatesValidationRules.registerRules('giaohangnhanh_express', ghnShippingRatesValidationRules);
+
+    return Component;
+});
diff --git a/view/frontend/web/js/view/shipping-rates-validation.js b/view/frontend/web/js/view/shipping-rates-validation.js
new file mode 100644
index 0000000..a114af9
--- /dev/null
+++ b/view/frontend/web/js/view/shipping-rates-validation.js
@@ -0,0 +1,20 @@
+define([
+    'uiComponent',
+    'Magento_Checkout/js/model/shipping-rates-validator',
+    'Magento_Checkout/js/model/shipping-rates-validation-rules',
+    'Boolfly_GiaoHangNhanh/js/model/shipping-rates-validator',
+    'Boolfly_GiaoHangNhanh/js/model/shipping-rates-validation-rules'
+], function (
+    Component,
+    defaultShippingRatesValidator,
+    defaultShippingRatesValidationRules,
+    ghnShippingRatesValidator,
+    ghnShippingRatesValidationRules
+) {
+    'use strict';
+
+    defaultShippingRatesValidator.registerValidator('giaohangnhanh_standard', ghnShippingRatesValidator);
+    defaultShippingRatesValidationRules.registerRules('giaohangnhanh_standard', ghnShippingRatesValidationRules);
+
+    return Component;
+});