random comment

Sol.txt

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+// SPDX-License-Identifier: GPL-3.0
+pragma solidity >=0.7.0 <0.9.0;
+pragma experimental ABIEncoderV2;
+
+contract UserDemo
+{
+    struct User
+    {
+        bytes32 Password;
+        uint Balance;
+        bool isExsist;
+        uint Role;
+    }
+    
+    struct Zapros
+    {
+        address Login;
+        uint NowRole;
+        uint NextRole;
+        bool Status;
+    }
+
+    Zapros[] zapros;
+
+    struct Product
+    {
+        string Title;
+        uint Price;
+    }
+
+    Product[] shop;
+
+    struct ZaprosShop
+    {
+        address Login;
+        uint IndexProduct;
+        uint Count;
+        uint Type; //0 - Покупка   1 - Возврат   2 - Брак
+        bool Status;
+    }
+
+    ZaprosShop[] zaproshop;
+
+    constructor()
+    {  
+        string memory _password = "111";
+        user[msg.sender].Password = keccak256(abi.encodePacked(_password));
+        user[msg.sender].isExsist = true;
+        user[msg.sender].Role = 0;
+        user[msg.sender].Balance = 100000;
+
+        user[0xAb8483F64d9C6d1EcF9b849Ae677dD3315835cb2].Password = keccak256(abi.encodePacked(_password));
+        user[0xAb8483F64d9C6d1EcF9b849Ae677dD3315835cb2].isExsist = true;
+        user[0xAb8483F64d9C6d1EcF9b849Ae677dD3315835cb2].Role = 0;
+        user[0xAb8483F64d9C6d1EcF9b849Ae677dD3315835cb2].Balance = 100000;
+
+        user[0x4B20993Bc481177ec7E8f571ceCaE8A9e22C02db].Password = keccak256(abi.encodePacked("12345"));
+        user[0x4B20993Bc481177ec7E8f571ceCaE8A9e22C02db].isExsist = true;
+        user[0x4B20993Bc481177ec7E8f571ceCaE8A9e22C02db].Role = 2;
+        user[0x4B20993Bc481177ec7E8f571ceCaE8A9e22C02db].Balance = 100000;
+
+        user[0x78731D3Ca6b7E34aC0F824c42a7cC18A495cabaB].Password = keccak256(abi.encodePacked("12345"));
+        user[0x78731D3Ca6b7E34aC0F824c42a7cC18A495cabaB].isExsist = true;
+        user[0x78731D3Ca6b7E34aC0F824c42a7cC18A495cabaB].Role = 2;
+        user[0x78731D3Ca6b7E34aC0F824c42a7cC18A495cabaB].Balance = 100000;
+
+        shop.push(Product("Tomat",100));
+        shop.push(Product("Perec",200));
+        shop.push(Product("Vodka",300));
+    }
+
+    string[] roles = ["Admin","Seller","Buyer"];
+    mapping(address=> User) user;
+    address[] userAddress;
+
+    //Администратор системы
+
+    //Повышает обычного покупателя до роли продавец
+    function UpBuyerToSeller(address _Adr) public
+    {
+        require(user[msg.sender].isExsist == true, "User not registr");
+        require(user[msg.sender].Role == 0, "You not admin");
+        require(user[_Adr].Role == 2, "This not buyer");
+        user[_Adr].Role = 1;
+    }
+    
+    //Понижает продавца до роли покупатель
+    function DownSellerToBuyer(address _Adr) public
+    {
+        require(user[msg.sender].isExsist == true, "User not registr");
+        require(user[msg.sender].Role == 0, "You not admin");
+        require(user[_Adr].Role == 1, "This not seller");
+        user[_Adr].Role = 2;
+    }
+
+    //Может переключиться к роли покупатель
+    function toAdmintoBuyer() public
+    {
+        require(user[msg.sender].isExsist == true, "User not registr");
+        require(user[msg.sender].Role == 0, "You not admin");
+        user[msg.sender].Role = 2;
+    }
+
+    //Может ввести в систему новых администраторов
+    function registrNewAdmin(address _adr,string memory _password,uint _balance) public
+    {
+        require(user[msg.sender].isExsist == true, "User not registr");
+        require(user[msg.sender].Role == 0, "You not admin");
+        require(user[_adr].isExsist == false, "Users already exist");
+        //require(_role > roles.length, "Role not exsist");
+        user[_adr].Password = keccak256(abi.encodePacked(_password));
+        user[_adr].isExsist = true;
+        user[_adr].Role = 0;
+        user[_adr].Balance = _balance; 
+        userAddress.push(msg.sender);
+    }
+
+    //Меняет роль по запросу
+    function updateZapros(uint _index) public returns (string memory _login)
+    {
+        require(user[msg.sender].isExsist == true, "User not registr");
+        require(user[msg.sender].Role == 0, "You not admin");
+        require(zapros[_index].Status == false, "Zapros done!");
+        zapros[_index].Status = true;
+        user[zapros[_index].Login].Role = zapros[_index].NextRole;
+        string memory newrole = roles[user[zapros[_index].Login].Role];
+        return newrole;
+    }
+
+
+    //Продавец
+
+    //Может переключиться к роли покупатель
+    function sellerToBuyer() public
+    {
+        require(user[msg.sender].isExsist == true, "User not registr");
+        require(user[msg.sender].Role == 1, "You not seller");
+        user[msg.sender].Role = 2;
+    }
+
+    //Может отправить запрос на понижение до роли покупатель
+    function zaprosToBuyer() public
+    {
+        require(user[msg.sender].isExsist == true, "User not registr");
+        require(user[msg.sender].Role == 1, "You not seller");
+        zapros.push(Zapros(msg.sender,user[msg.sender].Role,2,false));
+    }
+
+    //Подтверждение покупки товара
+    function updateZaprosShopBuy(uint _index) public
+    {
+        require(user[msg.sender].isExsist == true, "User not registr");
+        require(user[msg.sender].Role == 1, "You not seller");
+        require(zaproshop[_index].Type == 0, "This is not a buy!");
+        require(zaproshop[_index].Status == false, "Zapros done!");
+        zaproshop[_index].Status = true;
+        uint summ = zaproshop[_index].Count * shop[zaproshop[_index].IndexProduct].Price;
+        user[msg.sender].Balance += summ;
+        user[zaproshop[_index].Login].Balance -= summ;
+    }
+
+    //Подтверждение возврата товара
+    function updateZaproshShopBack(uint _index) public
+    {
+         require(user[msg.sender].isExsist == true, "User not registr");
+        require(user[msg.sender].Role == 1, "You not seller");
+        require(zaproshop[_index].Type == 1, "This is not a payment!");
+        require(zaproshop[_index].Status == false, "Zapros done!");
+        zaproshop[_index].Status = true;
+        uint summ = zaproshop[_index].Count * shop[zaproshop[_index].IndexProduct].Price;
+        user[msg.sender].Balance -= summ;
+        user[zaproshop[_index].Login].Balance += summ;
+    }
+
+    //Покупатель
+    
+    //Может подать запрос на повышение до роли продавец.    
+    function zaprosToSeller() public
+    {
+        require(user[msg.sender].isExsist == true, "User not registr");
+        require(user[msg.sender].Role == 2, "You not buyer");
+        zapros.push(Zapros(msg.sender,user[msg.sender].Role,1,false));
+    }
+
+    //Может купить товар в магазине
+    function zaprosToBuyProduct(uint _index,uint count) public
+    {
+        require(user[msg.sender].isExsist == true, "User not registr");
+        require(user[msg.sender].Role == 2, "You not buyer");
+        require(shop.length > _index, "Does not exist product");
+        zaproshop.push(ZaprosShop(msg.sender,_index,count,0,false));
+    }
+    
+    //Может вернуть товар в магазине
+    function zaprosToBackProduct(uint _index) public
+    {
+        require(user[msg.sender].isExsist == true, "User not registr");
+        require(user[msg.sender].Role == 2, "You not buyer");
+        require(zaproshop[_index].Status == true, "Unpaid");
+        require(zaproshop[_index].Type == 0, "this is not a payment");
+        require(zaproshop.length > _index, "Does not exist product");
+        zaproshop[_index].Status = false;
+        zaproshop[_index].Type = 1;
+    }
+
+
+    //Прочие функции
+
+    //Регистрация пользователей - Роль покупатель
+    function RegistrNewUser(string memory _Password) public
+    {
+        require(user[msg.sender].isExsist == false, "Users already exist");
+        user[msg.sender].Password = keccak256(abi.encodePacked(_Password));
+        user[msg.sender].isExsist = true;
+        user[msg.sender].Role = 2;
+        user[msg.sender].Balance = 50000;
+    }
+
+    //Авторизация пользователя
+    function AuthorizationUser(string memory _Password) public view returns(bool)
+    {
+        require(user[msg.sender].isExsist == true, "User not registr");
+        require(user[msg.sender].Password == keccak256(abi.encodePacked(_Password)), "Wrong password");
+        return user[msg.sender].isExsist;
+    }
+
+    //Просмотр всех пользователей
+    function retrunAllUser() external view returns(address[] memory)
+    {
+        return userAddress;
+    }
+
+    //Просмотр всех пользователей
+    function retrunAllZapros() external view returns(Zapros[] memory)
+    {
+        return zapros;
+    }
+
+    //Просмотр своего баланса
+    function returnBalance() external view returns(uint)
+    {
+        return user[msg.sender].Balance;
+    }
+
+    //Просмотри личной информации
+    function returnMyInfo() external view returns(bytes32,string memory,uint)
+    {
+        require(user[msg.sender].isExsist == true, "User not registr");
+        return (user[msg.sender].Password,roles[user[msg.sender].Role],user[msg.sender].Balance);
+    }
+
+    //Просмотр товара в магазине
+    function returnProduct() public view returns(Product[] memory)
+    {
+        return shop;
+    }
+}