TesingRep/Sol.txt

// 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;
    }
}