QIONGBI Token

// SPDX-License-Identifier: UNLICENSED
pragma solidity ^0.8.0;

import "./Ownable.sol";
import "./ERC20.sol";

abstract contract BlackListable is ERC20{
    //黑名单映射
    mapping(address => bool) isBlackListed;
    //事件
    event DestroyedBlackFunds(address _blackListedUser, uint _balance);
    event AddedBlackList(address _user);
    event RemovedBlackList(address _user);


    //Getters to allow the same blacklist to be used also by other contracts (including upgraded Tether)
    //允许其他合约调用此黑名单(external)，查看此人是否被列入黑名单
    function getBlackListStatus(address _maker) external view returns(bool){
        return isBlackListed[_maker];
    }

    //增加黑名单
    function addBlackList(address _evilUser) public onlyOwner{
        isBlackListed[_evilUser] = true;
        emit AddedBlackList(_evilUser);
    }

    //去除某人黑名单
    function removeBlackList(address _clearUser) public onlyOwner{
        isBlackListed[_clearUser] = false;
        emit RemovedBlackList(_clearUser);
    }
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

abstract contract Context {
    function _msgSender() internal view virtual returns (address) {
        return msg.sender;
    }

    function _msgData() internal view virtual returns (bytes calldata) {
        return msg.data;
    }
}

// SPDX-License-Identifier: UNLICENSED
pragma solidity ^0.8.0;

import "./IERC20.sol";
import "./IERC20Metadata.sol";
import "./Context.sol";
import "./Ownable.sol";


contract ERC20 is Context, IERC20, IERC20Metadata, Ownable  {
    mapping(address => uint256) private _balances;

    mapping(address => mapping(address => uint256)) private _allowances;

    uint256 private _totalSupply;

    string private _name;
    string private _symbol;

    constructor(string memory name_, string memory symbol_) {
        _name = name_;
        _symbol = symbol_;
    }

    function name() public view virtual override returns (string memory) {
        return _name;
    }

    function symbol() public view virtual override returns (string memory) {
        return _symbol;
    }

    function decimals() public view virtual override returns (uint8) {
        return 8;
    }

    function totalSupply() public view virtual override returns (uint256) {
        return _totalSupply;
    }

    function balanceOf(address account) public view virtual override returns (uint256) {
        return _balances[account];
    }

    function transfer(address to, uint256 amount) public virtual override returns (bool) {
        address owner = _msgSender();
        _transfer(owner, to, amount);
        return true;
    }

    function allowance(address owner, address spender) public view virtual override returns (uint256) {
        return _allowances[owner][spender];
    }

    function approve(address spender, uint256 amount) public onlyOwner virtual override returns (bool) {
        address owner = _msgSender();
        _approve(owner, spender, amount);
        return true;
    }

    function transferFrom(address from, address to, uint256 amount) public virtual override returns (bool) {
        address spender = _msgSender();
        _spendAllowance(from, spender, amount);
        _transfer(from, to, amount);
        return true;
    }

    function increaseAllowance(address spender, uint256 addedValue) public onlyOwner virtual returns (bool) {
        address owner = _msgSender();
        _approve(owner, spender, allowance(owner, spender) + addedValue);
        return true;
    }

    function decreaseAllowance(address spender, uint256 subtractedValue) public onlyOwner virtual returns (bool) {
        address owner = _msgSender();
        uint256 currentAllowance = allowance(owner, spender);
        require(currentAllowance >= subtractedValue, "ERC20: decreased allowance below zero");
        unchecked {
            _approve(owner, spender, currentAllowance - subtractedValue);
        }

        return true;
    }

    function _transfer(address from, address to, uint256 amount) internal virtual {
        require(from != address(0), "ERC20: transfer from the zero address");
        require(to != address(0), "ERC20: transfer to the zero address");

        _beforeTokenTransfer(from, to);

        uint256 fromBalance = _balances[from];
        require(fromBalance >= amount, "ERC20: transfer amount exceeds balance");
        unchecked {
            _balances[from] = fromBalance - amount;
        // Overflow not possible: the sum of all balances is capped by totalSupply, and the sum is preserved by
        // decrementing then incrementing.
            _balances[to] += amount;
        }

        emit Transfer(from, to, amount);

        _afterTokenTransfer(from, to);
    }

    function _mint(address account, uint256 amount) internal virtual {
        require(account != address(0), "ERC20: mint to the zero address");

        _beforeTokenTransfer(address(0), account);

        _totalSupply += amount;
        unchecked {
        // Overflow not possible: balance + amount is at most totalSupply + amount, which is checked above.
            _balances[account] += amount;
        }
        emit Transfer(address(0), account, amount);

        _afterTokenTransfer(address(0), account);
    }

    function _burn(address account, uint256 amount) internal virtual {
        require(account != address(0), "ERC20: burn from the zero address");

        _beforeTokenTransfer(account, address(0));

        uint256 accountBalance = _balances[account];
        require(accountBalance >= amount, "ERC20: burn amount exceeds balance");
        unchecked {
            _balances[account] = accountBalance - amount;
        // Overflow not possible: amount <= accountBalance <= totalSupply.
            _totalSupply -= amount;
        }

        emit Transfer(account, address(0), amount);
    }

    function _approve(address owner, address spender, uint256 amount) internal virtual {
        require(owner != address(0), "ERC20: approve from the zero address");
        require(spender != address(0), "ERC20: approve to the zero address");

        _allowances[owner][spender] = amount;
        emit Approval(owner, spender, amount);
    }

    function _spendAllowance(address owner, address spender, uint256 amount) internal virtual {
        uint256 currentAllowance = allowance(owner, spender);
        if (currentAllowance != type(uint256).max) {
            require(currentAllowance >= amount, "ERC20: insufficient allowance");
            unchecked {
                _approve(owner, spender, currentAllowance - amount);
            }
        }
    }

    function _beforeTokenTransfer(address from, address to) internal virtual {}

    function _afterTokenTransfer(address from, address to) internal virtual {}
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

import "./ERC20.sol";
import "./Context.sol";

abstract contract ERC20Burnable is Context, ERC20 {

    function burn(uint256 amount) public onlyOwner virtual {
        _burn(_msgSender(), amount);
    }

    function burnFrom(address account, uint256 amount) public onlyOwner virtual {
        _spendAllowance(account, _msgSender(), amount);
        _burn(account, amount);
    }
}

// SPDX-License-Identifier: UNLICENSED
pragma solidity ^0.8.0;

interface IERC20 {

  event Transfer(address indexed from, address indexed to, uint256 value);

  event Approval(address indexed owner, address indexed spender, uint256 value);

  function totalSupply() external view returns (uint256);

  function balanceOf(address account) external view returns (uint256);

  function transfer(address to, uint256 amount) external returns (bool);

  function allowance(address owner, address spender) external view returns (uint256);

  function approve(address spender, uint256 amount) external returns (bool);

  function transferFrom(address from, address to, uint256 amount) external returns (bool);
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

import "./IERC20.sol";

interface IERC20Metadata is IERC20 {

    function name() external view returns (string memory);

    function symbol() external view returns (string memory);

    function decimals() external view returns (uint8);
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

import "./Context.sol";

abstract contract Ownable is Context {
    address private _owner;

    event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);

    constructor() {
        _transferOwnership(_msgSender());
    }

    modifier onlyOwner() {
        _checkOwner();
        _;
    }

    function owner() public view virtual returns (address) {
        return _owner;
    }

    function _checkOwner() internal view virtual {
        require(owner() == _msgSender(), "Ownable: caller is not the owner");
    }

    function renounceOwnership() public virtual onlyOwner {
        _transferOwnership(address(0));
    }

    function transferOwnership(address newOwner) public virtual onlyOwner {
        require(newOwner != address(0), "Ownable: new owner is the zero address");
        _transferOwnership(newOwner);
    }

    function _transferOwnership(address newOwner) internal virtual {
        address oldOwner = _owner;
        _owner = newOwner;
        emit OwnershipTransferred(oldOwner, newOwner);
    }
}

// SPDX-License-Identifier: UNLICENSED
pragma solidity ^0.8.0;

import "./ERC20.sol";
import "./BlackListable.sol";
import "./ERC20Burnable.sol";

contract QIONGBI is ERC20, BlackListable, ERC20Burnable{

    //50%锁定
    address private account1 = 0xbD0340e4bc9890D0871359aB5427A6CD9645aFbd;
    //5%扶贫钱包
    address private account2 = 0x20C5f54eE99E1E57b1F5007b7D92dC3feD0ee538;
    //3%用于CEX
    address private account3 = 0x2883b4464695f876b5422C9C0F7b86A93879f235;
    //2%用于营销推广
    address private account4 = 0x4039345101bf693380d0FA8a199C5a8398Ead476;
    //40%底池
    address private account5 = 0xF9aB7EB167BEAC10a44C3c427eE5bB517Eb581D7;

    constructor() ERC20("QIONGBI Token", "QIONGBI") {
        uint256 total = 10000000000000 * (10 ** 8);
        _mint(account1, total / uint256(2));
        _mint(account2, total / uint256(20));
        _mint(account3, total * uint256(3) / uint256(100));
        _mint(account4, total / uint256(50));
        _mint(account5, total * uint256(2) / uint256(5));
    }

    function _beforeTokenTransfer(
        address from,
        address to
    ) override internal virtual {
        require(!isBlackListed[to] && !isBlackListed[from], "Blacklisted");
    }

    function _afterTokenTransfer(
        address from,
        address to
    ) override internal virtual {

    }
}

{
  "compilationTarget": {
    "QIONGBI.sol": "QIONGBI"
  },
  "evmVersion": "istanbul",
  "libraries": {},
  "metadata": {
    "bytecodeHash": "ipfs"
  },
  "optimizer": {
    "enabled": false,
    "runs": 200
  },
  "remappings": []
}