File 1 of 1: wPAW.sol
pragma solidity ^0.8.4;
abstract contract Context {
function _msgSender() internal view virtual returns (address) {
return payable(msg.sender);
}
function _msgData() internal view virtual returns (bytes memory) {
this;
return msg.data;
}
}
library SafeMath {
function tryAdd(uint256 a, uint256 b) internal pure returns (bool, uint256) {
uint256 c = a + b;
if (c < a) return (false, 0);
return (true, c);
}
function trySub(uint256 a, uint256 b) internal pure returns (bool, uint256) {
if (b > a) return (false, 0);
return (true, a - b);
}
function tryMul(uint256 a, uint256 b) internal pure returns (bool, uint256) {
if (a == 0) return (true, 0);
uint256 c = a * b;
if (c / a != b) return (false, 0);
return (true, c);
}
function tryDiv(uint256 a, uint256 b) internal pure returns (bool, uint256) {
if (b == 0) return (false, 0);
return (true, a / b);
}
function tryMod(uint256 a, uint256 b) internal pure returns (bool, uint256) {
if (b == 0) return (false, 0);
return (true, a % b);
}
function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
require(c >= a, "SafeMath: addition overflow");
return c;
}
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
require(b <= a, "SafeMath: subtraction overflow");
return a - b;
}
function mul(uint256 a, uint256 b) internal pure returns (uint256) {
if (a == 0) return 0;
uint256 c = a * b;
require(c / a == b, "SafeMath: multiplication overflow");
return c;
}
function div(uint256 a, uint256 b) internal pure returns (uint256) {
require(b > 0, "SafeMath: division by zero");
return a / b;
}
function mod(uint256 a, uint256 b) internal pure returns (uint256) {
require(b != 0, "SafeMath: modulo by zero");
return a % b;
}
function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b <= a, errorMessage);
return a - b;
}
function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b > 0, errorMessage);
return a / b;
}
function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b != 0, errorMessage);
return a % b;
}
}
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);
}
contract ERC20 is Context, IERC20 {
using SafeMath for uint256;
mapping (address => uint256) private _balances;
mapping (address => mapping (address => uint256)) private _allowances;
uint256 private _totalSupply;
string private _name;
string private _symbol;
uint8 private _decimals;
constructor (string memory name_, string memory symbol_) {
_name = name_;
_symbol = symbol_;
_decimals = 18;
}
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 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);
_approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
return true;
}
function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue));
return true;
}
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;
}
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");
_beforeTokenTransfer(sender, recipient, amount);
_balances[sender] = _balances[sender].sub(amount, "ERC20: transfer amount exceeds balance");
_balances[recipient] = _balances[recipient].add(amount);
emit Transfer(sender, recipient, amount);
}
function _mint(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: mint to the zero address");
_beforeTokenTransfer(address(0), account, amount);
_totalSupply = _totalSupply.add(amount);
_balances[account] = _balances[account].add(amount);
emit Transfer(address(0), account, amount);
}
function _burn(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: burn from the zero address");
_beforeTokenTransfer(account, address(0), amount);
_balances[account] = _balances[account].sub(amount, "ERC20: burn amount exceeds balance");
_totalSupply = _totalSupply.sub(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 _setupDecimals(uint8 decimals_) internal virtual {
_decimals = decimals_;
}
function _beforeTokenTransfer(address from, address to, uint256 amount) internal virtual { }
}
contract Ownable {
address public _owner;
event onOwnershipTransferred(address indexed previousOwner, address indexed newOwner);
constructor() {
_owner = msg.sender;
}
modifier onlyOwner() {
require(msg.sender == _owner);
_;
}
function owner() public view virtual returns (address) {
return _owner;
}
function transferOwnership(address _newOwner) internal {
require(_newOwner != address(0));
emit onOwnershipTransferred(_owner, _newOwner);
_owner = _newOwner;
}
}
interface IUniswapV2Factory {
event PairCreated(address indexed token0, address indexed token1, address pair, uint);
function feeTo() external view returns (address);
function feeToSetter() external view returns (address);
function getPair(address tokenA, address tokenB) external view returns (address pair);
function allPairs(uint) external view returns (address pair);
function allPairsLength() external view returns (uint);
function createPair(address tokenA, address tokenB) external returns (address pair);
function setFeeTo(address) external;
function setFeeToSetter(address) external;
}
interface IUniswapV2Pair {
event Approval(address indexed owner, address indexed spender, uint value);
event Transfer(address indexed from, address indexed to, uint value);
function name() external pure returns (string memory);
function symbol() external pure returns (string memory);
function decimals() external pure returns (uint8);
function totalSupply() external view returns (uint);
function balanceOf(address owner) external view returns (uint);
function allowance(address owner, address spender) external view returns (uint);
function approve(address spender, uint value) external returns (bool);
function transfer(address to, uint value) external returns (bool);
function transferFrom(address from, address to, uint value) external returns (bool);
function DOMAIN_SEPARATOR() external view returns (bytes32);
function PERMIT_TYPEHASH() external pure returns (bytes32);
function nonces(address owner) external view returns (uint);
function permit(address owner, address spender, uint value, uint deadline, uint8 v, bytes32 r, bytes32 s) external;
event Burn(address indexed sender, uint amount0, uint amount1, address indexed to);
event Swap(
address indexed sender,
uint amount0In,
uint amount1In,
uint amount0Out,
uint amount1Out,
address indexed to
);
event Sync(uint112 reserve0, uint112 reserve1);
function MINIMUM_LIQUIDITY() external pure returns (uint);
function factory() external view returns (address);
function token0() external view returns (address);
function token1() external view returns (address);
function getReserves() external view returns (uint112 reserve0, uint112 reserve1, uint32 blockTimestampLast);
function price0CumulativeLast() external view returns (uint);
function price1CumulativeLast() external view returns (uint);
function kLast() external view returns (uint);
function burn(address to) external returns (uint amount0, uint amount1);
function swap(uint amount0Out, uint amount1Out, address to, bytes calldata data) external;
function skim(address to) external;
function sync() external;
function initialize(address, address) external;
}
interface IUniswapV2Router01 {
function factory() external pure returns (address);
function WETH() external pure returns (address);
function addLiquidity(
address tokenA,
address tokenB,
uint amountADesired,
uint amountBDesired,
uint amountAMin,
uint amountBMin,
address to,
uint deadline
) external returns (uint amountA, uint amountB, uint liquidity);
function addLiquidityETH(
address token,
uint amountTokenDesired,
uint amountTokenMin,
uint amountETHMin,
address to,
uint deadline
) external payable returns (uint amountToken, uint amountETH, uint liquidity);
function removeLiquidity(
address tokenA,
address tokenB,
uint liquidity, uint amountAMin, uint amountBMin, address to, uint deadline
) external returns (uint amountA, uint amountB);
function removeLiquidityETH(
address token, uint liquidity, uint amountTokenMin, uint amountETHMin, address to, uint deadline
) external returns (uint amountToken, uint amountETH);
function removeLiquidityWithPermit(
address tokenA, address tokenB, uint liquidity, uint amountAMin, uint amountBMin, address to, uint deadline,
bool approveMax, uint8 v, bytes32 r, bytes32 s
) external returns (uint amountA, uint amountB);
function removeLiquidityETHWithPermit(
address token, uint liquidity, uint amountTokenMin, uint amountETHMin, address to, uint deadline,
bool approveMax, uint8 v, bytes32 r, bytes32 s
) external returns (uint amountToken, uint amountETH);
function swapExactTokensForTokens(
uint amountIn, uint amountOutMin, address[] calldata path, address to, uint deadline
) external returns (uint[] memory amounts);
function swapTokensForExactTokens(
uint amountOut, uint amountInMax, address[] calldata path, address to, uint deadline
) external returns (uint[] memory amounts);
function swapExactETHForTokens(uint amountOutMin, address[] calldata path, address to, uint deadline)
external payable returns (uint[] memory amounts);
function swapTokensForExactETH(uint amountOut, uint amountInMax, address[] calldata path, address to, uint deadline)
external returns (uint[] memory amounts);
function swapExactTokensForETH(uint amountIn, uint amountOutMin, address[] calldata path, address to, uint deadline)
external returns (uint[] memory amounts);
function swapETHForExactTokens(uint amountOut, address[] calldata path, address to, uint deadline)
external payable returns (uint[] memory amounts);
function quote(uint amountA, uint reserveA, uint reserveB) external pure returns (uint amountB);
function getAmountOut(uint amountIn, uint reserveIn, uint reserveOut) external pure returns (uint amountOut);
function getAmountIn(uint amountOut, uint reserveIn, uint reserveOut) external pure returns (uint amountIn);
function getAmountsOut(uint amountIn, address[] calldata path) external view returns (uint[] memory amounts);
function getAmountsIn(uint amountOut, address[] calldata path) external view returns (uint[] memory amounts);
}
interface IUniswapV2Router02 is IUniswapV2Router01 {
function removeLiquidityETHSupportingFeeOnTransferTokens(
address token, uint liquidity, uint amountTokenMin, uint amountETHMin, address to, uint deadline
) external returns (uint amountETH);
function removeLiquidityETHWithPermitSupportingFeeOnTransferTokens(
address token, uint liquidity, uint amountTokenMin, uint amountETHMin, address to, uint deadline,
bool approveMax, uint8 v, bytes32 r, bytes32 s
) external returns (uint amountETH);
function swapExactTokensForTokensSupportingFeeOnTransferTokens(
uint amountIn, uint amountOutMin, address[] calldata path, address to, uint deadline
) external;
function swapExactETHForTokensSupportingFeeOnTransferTokens(
uint amountOutMin, address[] calldata path, address to, uint deadline
) external payable;
function swapExactTokensForETHSupportingFeeOnTransferTokens(
uint amountIn, uint amountOutMin, address[] calldata path, address to, uint deadline
) external;
}
contract wPAW is ERC20, Ownable {
using SafeMath for uint256;
IUniswapV2Router02 public uniswapV2Router;
address public uniswapV2Pair;
uint256 public buyingTax = 10;
uint256 public sellingTax = 10;
address public TreasuryWallet;
mapping (address => bool) private _isExcludedFromFees;
mapping (address => bool) lpPairs;
uint256 private _totalSupply = 1000000000000000 * (10**18);
string private _name = "Wrapped PAW";
string private _symbol = "wPAW";
uint256 public thresholdAmountToSendTax = _totalSupply / 10000;
constructor () ERC20(_name, _symbol) {
address _routerAddress;
if (block.chainid == 56) {
_routerAddress = 0x10ED43C718714eb63d5aA57B78B54704E256024E;
} else if (block.chainid == 97) {
_routerAddress = 0x9Ac64Cc6e4415144C455BD8E4837Fea55603e5c3;
} else if (block.chainid == 1 || block.chainid == 5) {
_routerAddress = 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D;
} else if (block.chainid == 42161) {
_routerAddress = 0x4752ba5DBc23f44D87826276BF6Fd6b1C372aD24;
} else if (block.chainid == 8453) {
_routerAddress = 0x4752ba5DBc23f44D87826276BF6Fd6b1C372aD24;
} else if (block.chainid == 137) {
_routerAddress = 0xa5E0829CaCEd8fFDD4De3c43696c57F7D7A678ff;
} else if (block.chainid == 11155111) {
_routerAddress = 0xC532a74256D3Db42D0Bf7a0400fEFDbad7694008;
} else if (block.chainid == 81457) {
_routerAddress = 0xBB66Eb1c5e875933D44DAe661dbD80e5D9B03035;
} else {
revert();
}
IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02(_routerAddress);
address _uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory())
.createPair(address(this), _uniswapV2Router.WETH());
uniswapV2Router = _uniswapV2Router;
uniswapV2Pair = _uniswapV2Pair;
lpPairs[uniswapV2Pair] = true;
excludeFromFee(owner());
excludeFromFee(address(this));
TreasuryWallet = owner();
_mint(owner(), _totalSupply);
}
receive() external payable {}
function transferOwner(address newOwner) external onlyOwner() {
require(newOwner != address(0), "Call renounceOwnership to transfer owner to the zero address.");
_isExcludedFromFees[_owner] = false;
_isExcludedFromFees[newOwner] = true;
_owner = newOwner;
emit onOwnershipTransferred(_owner, newOwner);
}
function renounceOwnership() public virtual onlyOwner() {
_isExcludedFromFees[_owner] = false;
_owner = address(0);
emit onOwnershipTransferred(_owner, address(0));
}
function setLpPair(address pair, bool enabled) external onlyOwner {
if (enabled == false) {
lpPairs[pair] = false;
} else {
lpPairs[pair] = true;
}
}
function isExcludedFromFee(address account) public view returns(bool) {
return _isExcludedFromFees[account];
}
function excludeFromFee(address account) public onlyOwner {
_isExcludedFromFees[account] = true;
}
function includeInFee(address account) public onlyOwner {
_isExcludedFromFees[account] = false;
}
function setTaxes(uint256 _buyTax, uint256 _sellTax) public onlyOwner {
require(_buyTax <= 10, "Buy fee shouldn't be higher than 10 (1%)");
require(_sellTax <= 10, "Sell fee shouldn't be higher than 10 (1%)");
buyingTax = _buyTax;
sellingTax = _sellTax;
}
function setThresholdToSendTax(uint256 _newThresholdToSend) public onlyOwner {
thresholdAmountToSendTax = _newThresholdToSend;
}
function setTreasuryWallet(address _newTreasuryWallet) public onlyOwner {
require(_newTreasuryWallet != address(0), "Treasury wallet can't be zero");
TreasuryWallet = _newTreasuryWallet;
}
function _transfer(
address from,
address to,
uint256 amount
) internal override {
require(from != address(0), "ERC20: transfer from the zero address");
require(to != address(0), "ERC20: transfer to the zero address");
require(amount > 0, "Transfer amount must be greater than zero");
uint256 contractTokenBalance = balanceOf(address(this));
if (
contractTokenBalance >= thresholdAmountToSendTax
) {
super._transfer(address(this), TreasuryWallet, contractTokenBalance);
}
bool takeFee = true;
if(_isExcludedFromFees[from] || _isExcludedFromFees[to]) {
takeFee = false;
}
if(takeFee) {
uint256 fees = 0;
if(lpPairs[from]){
fees = amount.mul(buyingTax).div(1000);
}else if(lpPairs[to]){
fees = amount.mul(sellingTax).div(1000);
}
amount = amount.sub(fees);
if(fees > 0)
super._transfer(from, address(this), fees);
}
super._transfer(from, to, amount);
}
}