diff --git a/README.md b/README.md
index e65ae43..6ad101a 100644
--- a/README.md
+++ b/README.md
@@ -92,4 +92,12 @@ If you want to get an easier command, you can create an alias into Zsh or Bash p
 
 ```
 alias kassakuitti='dart run $HOME/Documents/dart_kassakuitti_cli/bin/dart_kassakuitti_cli.dart'
+```
+
+## Generate `hive_product.g.dart` file
+
+You can generate `hive_product.g.dart` file by running:
+
+```
+dart run build_runner build
 ```
\ No newline at end of file
diff --git a/bin/dart_kassakuitti_cli.dart b/bin/dart_kassakuitti_cli.dart
index bbc2dc5..b4a7a52 100644
--- a/bin/dart_kassakuitti_cli.dart
+++ b/bin/dart_kassakuitti_cli.dart
@@ -38,7 +38,7 @@ void main(List<String> arguments) async {
         var eanProducts = await readEANProducts(
             selectedHtmlFile, ShopSelector.sKaupat, csvFilesPath);
 
-        eanHandler(receiptProducts, eanProducts.toList());
+        await eanHandler(receiptProducts, eanProducts.toList());
 
         receiptProducts2CSV(receiptProducts, csvFilesPath);
         eanProducts2CSV(eanProducts, csvFilesPath, ShopSelector.sKaupat.name);
diff --git a/bin/models/hive_product.dart b/bin/models/hive_product.dart
new file mode 100644
index 0000000..d7a9265
--- /dev/null
+++ b/bin/models/hive_product.dart
@@ -0,0 +1,19 @@
+import 'package:hive/hive.dart';
+
+part 'hive_product.g.dart';
+
+@HiveType(typeId: 0)
+class HiveProduct extends HiveObject {
+  @HiveField(0)
+  String receiptName;
+
+  @HiveField(1)
+  String eanName;
+
+  HiveProduct({required this.receiptName, required this.eanName});
+
+  @override
+  String toString() {
+    return 'ReceiptName: $receiptName, eanName: $eanName';
+  }
+}
diff --git a/bin/models/hive_product.g.dart b/bin/models/hive_product.g.dart
new file mode 100644
index 0000000..432f52c
--- /dev/null
+++ b/bin/models/hive_product.g.dart
@@ -0,0 +1,44 @@
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'hive_product.dart';
+
+// **************************************************************************
+// TypeAdapterGenerator
+// **************************************************************************
+
+class HiveProductAdapter extends TypeAdapter<HiveProduct> {
+  @override
+  final int typeId = 0;
+
+  @override
+  HiveProduct read(BinaryReader reader) {
+    final numOfFields = reader.readByte();
+    final fields = <int, dynamic>{
+      for (int i = 0; i < numOfFields; i++) reader.readByte(): reader.read(),
+    };
+    return HiveProduct(
+      receiptName: fields[0] as String,
+      eanName: fields[1] as String,
+    );
+  }
+
+  @override
+  void write(BinaryWriter writer, HiveProduct obj) {
+    writer
+      ..writeByte(2)
+      ..writeByte(0)
+      ..write(obj.receiptName)
+      ..writeByte(1)
+      ..write(obj.eanName);
+  }
+
+  @override
+  int get hashCode => typeId.hashCode;
+
+  @override
+  bool operator ==(Object other) =>
+      identical(this, other) ||
+      other is HiveProductAdapter &&
+          runtimeType == other.runtimeType &&
+          typeId == other.typeId;
+}
diff --git a/bin/specific/s_kaupat/ean_handler.dart b/bin/specific/s_kaupat/ean_handler.dart
index 001f4e6..232362d 100644
--- a/bin/specific/s_kaupat/ean_handler.dart
+++ b/bin/specific/s_kaupat/ean_handler.dart
@@ -1,22 +1,42 @@
 import 'dart:io';
 
+import 'package:hive/hive.dart';
+
 import '../../models/ean_product.dart';
+import '../../models/hive_product.dart';
 import '../../models/receipt_product.dart';
+import '../../utils/ansipen_helper.dart';
+
+const _kHiveBoxName = 'hiveProducts';
+
+/// Handles the EAN products.
+Future<void> eanHandler(
+    List<ReceiptProduct> receiptProducts, List<EANProduct> eanProducts) async {
+  List<ReceiptProduct> nonFoundReceiptProducts = [];
+  List<ReceiptProduct> nonFoundReceiptProducts2 = [];
+
+  Box<HiveProduct> hiveProducts = await _initializeHiveProducts();
 
-void eanHandler(
-    List<ReceiptProduct> receiptProducts, List<EANProduct> eanProducts) {
   print('\nThe first round begins!');
-  print('Statistics: ${receiptProducts.length} receiptProducts, '
+  print('Statistics:');
+  print(peachPen().write('Amount of hive products: ${hiveProducts.length}'));
+  print('${receiptProducts.length} receiptProducts, '
       '${eanProducts.length} eanProducts\n');
-  List<ReceiptProduct> nonFoundReceiptProducts = [];
 
   for (var receiptProduct in receiptProducts) {
     print(receiptProduct);
 
+    String? eanProductName =
+        _filterHiveProducts(hiveProducts.values, receiptProduct.name);
+    print(peachPen().write('EAN product name: $eanProductName'));
+
     var filteredEanProducts =
-        _filterEANProducts(receiptProduct.name, eanProducts);
+        _filterEANProducts(receiptProduct.name, eanProducts, eanProductName);
+
+    _handleFoundCases(
+        receiptProduct, filteredEanProducts, eanProducts, hiveProducts);
 
-    _handleFoundCases(receiptProduct, filteredEanProducts, eanProducts);
+    print(peachPen().write('Amount of hive products: ${hiveProducts.length}'));
 
     if (filteredEanProducts.isEmpty) {
       print('\tNo product found for the 1st round.');
@@ -39,55 +59,112 @@ void eanHandler(
       continue;
     }
 
-    var filteredEanProducts =
-        _filterEANProducts(splittedReceiptProcuctNames[0], eanProducts);
+    String? eanProductName =
+        _filterHiveProducts(hiveProducts.values, nonFoundReceiptProduct.name);
+    print(peachPen().write('EAN product name: $eanProductName'));
 
-    if (filteredEanProducts.length > 2 &&
-        splittedReceiptProcuctNames.length > 1) {
-      filteredEanProducts =
-          _filterEANProducts(splittedReceiptProcuctNames[1], eanProducts);
-    }
+    var filteredEanProducts = _filterEANProducts(
+        splittedReceiptProcuctNames[0], eanProducts, eanProductName);
 
-    _handleFoundCases(nonFoundReceiptProduct, filteredEanProducts, eanProducts);
+    _handleFoundCases(
+        nonFoundReceiptProduct, filteredEanProducts, eanProducts, hiveProducts);
 
     if (filteredEanProducts.isEmpty) {
       print('\tNo product found for the 2nd round.');
+      nonFoundReceiptProducts2.add(nonFoundReceiptProduct);
     }
   }
 
   print('\nFinished!');
-  print('Only ${eanProducts.length} unknown eanProducts left.');
+  print('${nonFoundReceiptProducts2.length < 10 ? 'Only ' : ''}'
+      '${nonFoundReceiptProducts2.length} unknown receipt '
+      '${nonFoundReceiptProducts2.length == 1 ? 'product' : 'products'} '
+      'left.');
+  print(peachPen().write('Amount of hive products: ${hiveProducts.length}'));
+
+  hiveProducts.close();
 }
 
-List<EANProduct> _filterEANProducts(
-    String receiptProductName, List<EANProduct> eanProducts) {
+String? _filterHiveProducts(
+    Iterable<HiveProduct> hiveProductsValues, String receiptProductName) {
+  String? eanProductName;
+
+  var filteredHiveProducts = hiveProductsValues
+      .where((hiveProduct) => hiveProduct.receiptName == receiptProductName);
+  /*
+  If the receipt product is already in the hive products,
+  get the ean product name from the hive product.
+  */
+  if (filteredHiveProducts.isNotEmpty) {
+    print(greenPen().write(
+        '\tFound ${filteredHiveProducts.length} pcs in the hive products!'));
+    eanProductName = filteredHiveProducts.first.eanName;
+    print('\teanProductName in Hive: $eanProductName');
+  }
+  return eanProductName;
+}
+
+Future<Box<HiveProduct>> _initializeHiveProducts() async {
+  Hive.init(Directory.current.path);
+  Hive.registerAdapter(HiveProductAdapter());
+  return await Hive.openBox<HiveProduct>(_kHiveBoxName);
+}
+
+List<EANProduct> _filterEANProducts(String receiptProductName,
+    List<EANProduct> eanProducts, String? eanProductName) {
+  /*
+  If eanProductName is not null,
+  filter the ean products by the ean product name.
+  */
+  if (eanProductName != null) {
+    return eanProducts
+        .where((eanProduct) =>
+            eanProduct.name.toLowerCase() == eanProductName.toLowerCase())
+        .toList();
+  }
   return eanProducts
-      .where((eanProduct) =>
-          eanProduct.name.toLowerCase().contains(receiptProductName))
+      .where((eanProduct) => eanProduct.name
+          .toLowerCase()
+          .contains(receiptProductName.toLowerCase()))
       .toList();
 }
 
-void _handleFoundCases(ReceiptProduct receiptProduct,
-    List<EANProduct> filteredEanProducts, List<EANProduct> origEanProducts) {
+void _handleFoundCases(
+    ReceiptProduct receiptProduct,
+    List<EANProduct> filteredEanProducts,
+    List<EANProduct> origEanProducts,
+    Box<HiveProduct> hiveProducts) {
   if (filteredEanProducts.length == 1) {
-    print('\tFound one product:');
-    print('\t\t${filteredEanProducts[0]}');
+    print(greenPen().write('\tFound one product:'));
+    print('\t\t${filteredEanProducts.first}');
 
-    receiptProduct.eanCode = filteredEanProducts[0].ean;
-    origEanProducts.remove(filteredEanProducts[0]);
+    receiptProduct.eanCode = filteredEanProducts.first.ean;
   } else if (filteredEanProducts.length > 1) {
-    print(
-        '\tFound multiple products (${filteredEanProducts.length} possible choices):');
-
-    for (var filteredReceiptProduct in filteredEanProducts) {
-      print('\t\t$filteredReceiptProduct');
-      print('\t\tIs this the right product? (y/n)');
-      var answer = stdin.readLineSync();
-      if (answer?.toLowerCase() == 'y') {
-        receiptProduct.eanCode = filteredReceiptProduct.ean;
-        origEanProducts.remove(filteredReceiptProduct);
-        break;
-      }
+    print(redPen()
+        .write('\tFound multiple products (${filteredEanProducts.length}'
+            ' possible choices):'));
+
+    for (var i = 0; i < filteredEanProducts.length; i++) {
+      print('\t\t${i + 1}. ${filteredEanProducts[i]}');
+    }
+    print('\nPlease enter the number of the product you want to select: ');
+    var answer = stdin.readLineSync();
+
+    if (answer!.isNotEmpty &&
+        int.parse(answer) <= filteredEanProducts.length &&
+        int.parse(answer) > 0) {
+      var selectedEanProduct = filteredEanProducts[int.parse(answer) - 1];
+
+      print(greenPen().write('\tYou selected: $selectedEanProduct'));
+
+      receiptProduct.eanCode = selectedEanProduct.ean;
+
+      hiveProducts.add(HiveProduct(
+          receiptName: receiptProduct.name, eanName: selectedEanProduct.name));
+      print(
+          peachPen().write('Amount of hive products: ${hiveProducts.length}'));
+    } else {
+      print('\tNo product selected.');
     }
   }
 }
diff --git a/bin/specific/s_kaupat/strings_to_receipt_products.dart b/bin/specific/s_kaupat/strings_to_receipt_products.dart
index 249f220..f450f5a 100644
--- a/bin/specific/s_kaupat/strings_to_receipt_products.dart
+++ b/bin/specific/s_kaupat/strings_to_receipt_products.dart
@@ -2,12 +2,12 @@ import '../../utils/extensions/double_extension.dart';
 import '../../utils/line_helper.dart';
 import '../../models/receipt_product.dart';
 
-/// Goes through the list of lines and returns a list of products.
-List<ReceiptProduct> strings2ReceiptProducts(List<String> lines) {
+/// Goes through the list of rows and returns a list of products.
+List<ReceiptProduct> strings2ReceiptProducts(List<String> rows) {
   var helper = LineHelper();
   List<ReceiptProduct> products = [];
 
-  for (var item in lines) {
+  for (var item in rows) {
     item = item.trim();
     item = item.toLowerCase();
 
@@ -15,11 +15,11 @@ List<ReceiptProduct> strings2ReceiptProducts(List<String> lines) {
     if (item.contains('----------')) {
       break;
     }
-    // Refund line:
+    // Refund row:
     else if (item.contains('palautus')) {
       helper.previousLine = PreviousLine.refund;
     }
-    // When previous line was a refund line, skip next two lines:
+    // When the previous row was a refund row, skip next two rows:
     else if (helper.previousLine == PreviousLine.refund) {
       if (helper.calcLines != 1) {
         helper.calcLines++;
@@ -28,7 +28,7 @@ List<ReceiptProduct> strings2ReceiptProducts(List<String> lines) {
         helper.previousLine = PreviousLine.notSet;
       }
     }
-    // A discount line:
+    // A discount row:
     else if (item.contains('alennus')) {
       var items = item.split(RegExp(r'\s{12,33}'));
       var discountPrice =
@@ -42,7 +42,7 @@ List<ReceiptProduct> strings2ReceiptProducts(List<String> lines) {
       var discountedPrice =
           (origTotalPriceAsDouble - discountPriceAsDouble).toPrecision(2);
       var discountedPriceAsString =
-          discountedPrice.toStringAsFixed(2).replaceAll(RegExp(r'\.'), ',');
+          discountedPrice.toString().replaceAll(RegExp(r'\.'), ',');
 
       if (lastProduct.quantity > 1) {
         var discountedPricePerUnit = (discountedPrice / lastProduct.quantity)
@@ -55,7 +55,37 @@ List<ReceiptProduct> strings2ReceiptProducts(List<String> lines) {
       lastProduct.totalPrice = discountedPriceAsString;
       lastProduct.discountCounted = 'yes';
     }
-    // If a line starts with a digit, it is a quantity and price per unit row:
+    /*
+    A campaign row
+    (i.e. usually means that there's a mistake in the previous line):
+    */
+    else if (item.contains('kampanja')) {
+      var items = item.split(RegExp(r'\s{12,33}'));
+      var campaignPrice =
+          items[1].replaceAll(RegExp(r'\-'), '').replaceAll(RegExp(r','), '.');
+      var campaignPriceAsDouble = double.parse(campaignPrice);
+
+      var lastProduct = products.last;
+      var origTotalPrice = lastProduct.totalPrice.replaceAll(RegExp(r','), '.');
+      var origTotalPriceAsDouble = double.parse(origTotalPrice);
+
+      var fixedPrice =
+          (origTotalPriceAsDouble - campaignPriceAsDouble).toPrecision(2);
+      var fixedPriceAsString =
+          fixedPrice.toString().replaceAll(RegExp(r'\.'), ',');
+
+      if (lastProduct.quantity > 1) {
+        var fixedPricePerUnit = (fixedPrice / lastProduct.quantity)
+            .toPrecision(2)
+            .toString()
+            .replaceAll(RegExp(r'\.'), ',');
+
+        lastProduct.pricePerUnit = fixedPricePerUnit;
+      }
+
+      lastProduct.totalPrice = fixedPriceAsString;
+    }
+    // If a row starts with a digit, it is a quantity and price per unit row:
     else if (item.contains(RegExp(r'^\d'))) {
       var items = item.split(RegExp(r'\s{6,7}'));
       var quantity =
@@ -68,7 +98,7 @@ List<ReceiptProduct> strings2ReceiptProducts(List<String> lines) {
       lastProduct.pricePerUnit = pricePerUnit;
     }
 
-    // A "normal" line:
+    // A "normal" row:
     else {
       var items = item.split(RegExp(r'\s{11,33}'));
 
diff --git a/bin/utils/ansipen_helper.dart b/bin/utils/ansipen_helper.dart
new file mode 100644
index 0000000..e5b99b6
--- /dev/null
+++ b/bin/utils/ansipen_helper.dart
@@ -0,0 +1,19 @@
+import 'package:ansicolor/ansicolor.dart';
+
+AnsiPen greenPen() {
+  return AnsiPen()
+    ..black(bold: true)
+    ..green(bold: true);
+}
+
+AnsiPen redPen() {
+  return AnsiPen()
+    ..black(bold: true)
+    ..red(bold: true);
+}
+
+AnsiPen peachPen() {
+  return AnsiPen()
+    ..black(bold: true)
+    ..rgb(r: 1.0, g: 0.8, b: 0.2);
+}
diff --git a/pubspec.lock b/pubspec.lock
index 020c116..a61a8d0 100644
--- a/pubspec.lock
+++ b/pubspec.lock
@@ -1,6 +1,27 @@
 # Generated by pub
 # See https://dart.dev/tools/pub/glossary#lockfile
 packages:
+  _fe_analyzer_shared:
+    dependency: transitive
+    description:
+      name: _fe_analyzer_shared
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "38.0.0"
+  analyzer:
+    dependency: transitive
+    description:
+      name: analyzer
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "3.4.1"
+  ansicolor:
+    dependency: "direct main"
+    description:
+      name: ansicolor
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.0.1"
   args:
     dependency: "direct main"
     description:
@@ -8,6 +29,69 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "2.3.0"
+  async:
+    dependency: transitive
+    description:
+      name: async
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.9.0"
+  build:
+    dependency: transitive
+    description:
+      name: build
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.3.0"
+  build_config:
+    dependency: transitive
+    description:
+      name: build_config
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.0.0"
+  build_daemon:
+    dependency: transitive
+    description:
+      name: build_daemon
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "3.1.0"
+  build_resolvers:
+    dependency: transitive
+    description:
+      name: build_resolvers
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.0.8"
+  build_runner:
+    dependency: "direct dev"
+    description:
+      name: build_runner
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.1.10"
+  build_runner_core:
+    dependency: transitive
+    description:
+      name: build_runner_core
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "7.2.3"
+  built_collection:
+    dependency: transitive
+    description:
+      name: built_collection
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "5.1.1"
+  built_value:
+    dependency: transitive
+    description:
+      name: built_value
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "8.2.0"
   charcode:
     dependency: transitive
     description:
@@ -15,6 +99,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.3.1"
+  checked_yaml:
+    dependency: transitive
+    description:
+      name: checked_yaml
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.0.1"
   clock:
     dependency: transitive
     description:
@@ -22,6 +113,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.1.0"
+  code_builder:
+    dependency: transitive
+    description:
+      name: code_builder
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "4.1.0"
   collection:
     dependency: transitive
     description:
@@ -29,6 +127,20 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.15.0"
+  convert:
+    dependency: transitive
+    description:
+      name: convert
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "3.0.1"
+  crypto:
+    dependency: transitive
+    description:
+      name: crypto
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "3.0.1"
   csslib:
     dependency: transitive
     description:
@@ -36,6 +148,62 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "0.17.1"
+  dart_style:
+    dependency: transitive
+    description:
+      name: dart_style
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.2.3"
+  file:
+    dependency: transitive
+    description:
+      name: file
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "6.1.2"
+  fixnum:
+    dependency: transitive
+    description:
+      name: fixnum
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.0.0"
+  frontend_server_client:
+    dependency: transitive
+    description:
+      name: frontend_server_client
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.1.2"
+  glob:
+    dependency: transitive
+    description:
+      name: glob
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.0.2"
+  graphs:
+    dependency: transitive
+    description:
+      name: graphs
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.1.0"
+  hive:
+    dependency: "direct main"
+    description:
+      name: hive
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.1.0"
+  hive_generator:
+    dependency: "direct dev"
+    description:
+      name: hive_generator
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.1.2"
   html:
     dependency: "direct main"
     description:
@@ -43,6 +211,20 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "0.15.0"
+  http_multi_server:
+    dependency: transitive
+    description:
+      name: http_multi_server
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "3.2.0"
+  http_parser:
+    dependency: transitive
+    description:
+      name: http_parser
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "4.0.0"
   intl:
     dependency: "direct main"
     description:
@@ -50,6 +232,27 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "0.17.0"
+  io:
+    dependency: transitive
+    description:
+      name: io
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.0.3"
+  js:
+    dependency: transitive
+    description:
+      name: js
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.6.4"
+  json_annotation:
+    dependency: transitive
+    description:
+      name: json_annotation
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "4.4.0"
   lints:
     dependency: "direct dev"
     description:
@@ -57,6 +260,41 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.0.1"
+  logging:
+    dependency: transitive
+    description:
+      name: logging
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.0.2"
+  matcher:
+    dependency: transitive
+    description:
+      name: matcher
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.12.11"
+  meta:
+    dependency: transitive
+    description:
+      name: meta
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.7.0"
+  mime:
+    dependency: transitive
+    description:
+      name: mime
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.0.1"
+  package_config:
+    dependency: transitive
+    description:
+      name: package_config
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.0.2"
   path:
     dependency: "direct main"
     description:
@@ -64,6 +302,55 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.8.1"
+  pool:
+    dependency: transitive
+    description:
+      name: pool
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.5.0"
+  pub_semver:
+    dependency: transitive
+    description:
+      name: pub_semver
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.1.1"
+  pubspec_parse:
+    dependency: transitive
+    description:
+      name: pubspec_parse
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.2.0"
+  shelf:
+    dependency: transitive
+    description:
+      name: shelf
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.3.0"
+  shelf_web_socket:
+    dependency: transitive
+    description:
+      name: shelf_web_socket
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.0.1"
+  source_gen:
+    dependency: transitive
+    description:
+      name: source_gen
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.2.2"
+  source_helper:
+    dependency: transitive
+    description:
+      name: source_helper
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.3.2"
   source_span:
     dependency: transitive
     description:
@@ -71,6 +358,27 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.8.1"
+  stack_trace:
+    dependency: transitive
+    description:
+      name: stack_trace
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.10.0"
+  stream_channel:
+    dependency: transitive
+    description:
+      name: stream_channel
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.1.0"
+  stream_transform:
+    dependency: transitive
+    description:
+      name: stream_transform
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.0.0"
   string_scanner:
     dependency: transitive
     description:
@@ -85,6 +393,34 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.2.0"
+  timing:
+    dependency: transitive
+    description:
+      name: timing
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.0.0"
+  typed_data:
+    dependency: transitive
+    description:
+      name: typed_data
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.3.0"
+  watcher:
+    dependency: transitive
+    description:
+      name: watcher
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.0.1"
+  web_socket_channel:
+    dependency: transitive
+    description:
+      name: web_socket_channel
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.1.0"
   yaml:
     dependency: "direct main"
     description:
diff --git a/pubspec.yaml b/pubspec.yaml
index 2d3a442..bcc2cf0 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -11,9 +11,13 @@ environment:
 #   path: ^1.8.0
 
 dev_dependencies:
+  build_runner: ^2.1.10
+  hive_generator: ^1.1.2
   lints: ^1.0.1
 dependencies: 
+  ansicolor: ^2.0.1
   args: ^2.3.0
+  hive: ^2.1.0
   html: ^0.15.0
   intl: ^0.17.0
   path: ^1.8.1