Description:
Decentralized Finance (DeFi) protocol contract providing Swap, Liquidity, Factory functionality.
Blockchain: Ethereum
Source Code: View Code On The Blockchain
Solidity Source Code:
{{
"language": "Solidity",
"sources": {
"contracts/Token.sol": {
"content": "/*\r
\r
Website: https://www.hofcoin.fun/\r
Telegram: https://t.me/haironfireeth\r
X: https://x.com/haironfireeth\r
\r
*/\r
\r
// SPDX-License-Identifier: MIT\r
\r
pragma solidity ^0.8.25;\r
\r
abstract contract Context {\r
function _msgSender() internal view virtual returns (address) {\r
return msg.sender;\r
}\r
}\r
\r
interface IERC20 {\r
function totalSupply() external view returns (uint256);\r
function balanceOf(address account) external view returns (uint256);\r
function transfer(address recipient, uint256 amount) external returns (bool);\r
function allowance(address owner, address spender) external view returns (uint256);\r
function approve(address spender, uint256 amount) external returns (bool);\r
function transferFrom(address sender, address recipient, uint256 amount) external returns (bool);\r
event Transfer(address indexed from, address indexed to, uint256 value);\r
event Approval(address indexed owner, address indexed spender, uint256 value);\r
}\r
\r
library SafeMath {\r
function add(uint256 a, uint256 b) internal pure returns (uint256) {\r
uint256 c = a + b;\r
require(c >= a, "SafeMath: addition overflow");\r
return c;\r
}\r
\r
function sub(uint256 a, uint256 b) internal pure returns (uint256) {\r
return sub(a, b, "SafeMath: subtraction overflow");\r
}\r
\r
function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {\r
require(b <= a, errorMessage);\r
uint256 c = a - b;\r
return c;\r
}\r
\r
function mul(uint256 a, uint256 b) internal pure returns (uint256) {\r
if (a == 0) {\r
return 0;\r
}\r
uint256 c = a * b;\r
require(c / a == b, "SafeMath: multiplication overflow");\r
return c;\r
}\r
\r
function div(uint256 a, uint256 b) internal pure returns (uint256) {\r
return div(a, b, "SafeMath: division by zero");\r
}\r
\r
function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {\r
require(b > 0, errorMessage);\r
uint256 c = a / b;\r
return c;\r
}\r
\r
}\r
\r
contract Ownable is Context {\r
address private _owner;\r
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);\r
\r
constructor () {\r
address msgSender = _msgSender();\r
_owner = msgSender;\r
emit OwnershipTransferred(address(0), msgSender);\r
}\r
\r
function owner() public view returns (address) {\r
return _owner;\r
}\r
\r
modifier onlyOwner() {\r
require(_owner == _msgSender(), "Ownable: caller is not the owner");\r
_;\r
}\r
\r
function renounceOwnership() public virtual onlyOwner {\r
emit OwnershipTransferred(_owner, address(0));\r
_owner = address(0);\r
}\r
\r
}\r
\r
interface IUniswapV2Factory {\r
function getPair(address tokenA, address tokenB) external view returns (address pair);\r
function createPair(address tokenA, address tokenB) external returns (address pair);\r
}\r
\r
interface IUniswapV2Router02 {\r
function addLiquidityETH(\r
address token,\r
uint amountTokenDesired,\r
uint amountTokenMin,\r
uint amountETHMin,\r
address to,\r
uint deadline\r
) external payable returns (uint amountToken, uint amountETH, uint liquidity);\r
function swapExactTokensForETHSupportingFeeOnTransferTokens(\r
uint amountIn,\r
uint amountOutMin,\r
address[] calldata path,\r
address to,\r
uint deadline\r
) external;\r
function WETH() external pure returns (address);\r
function factory() external pure returns (address);\r
}\r
\r
contract Token is Context, IERC20, Ownable {\r
using SafeMath for uint256;\r
mapping (address => uint256) private _balances;\r
mapping (address => mapping (address => uint256)) private _allowances;\r
bool private inSwaps;\r
address payable private _taxWallet;\r
\r
uint256 private _initialBuyTax=0;\r
uint256 private _initialSellTax=0;\r
uint256 private _finalBuyTax=0;\r
uint256 private _finalSellTax=0;\r
uint256 private _reduceBuyTaxAt=0;\r
uint256 private _reduceSellTaxAt=0;\r
uint256 private _preventSwapBefore=1;\r
uint256 private _buyCount=0;\r
\r
uint8 private constant _decimals = 9;\r
uint256 private constant _tTotal = 1_000_000_000 * 10**_decimals;\r
string private constant _name = unicode"Hair on Fire";\r
string private constant _symbol = unicode"HOF";\r
uint256 public _taxSwapThreshold= (_tTotal * 5) / 10000;\r
uint256 public _maxTaxSwap= _taxSwapThreshold * 30;\r
uint256 public _maxTxAmount = _tTotal * 2 / 100;\r
uint256 public _maxWalletSize = _tTotal * 2 / 100;\r
\r
IUniswapV2Router02 private uniswapV2Router;\r
address private uniswapV2Pair;\r
bool private inSwap = false;\r
bool private swapEnabled = false;\r
uint256 private sellCount = 0;\r
uint256 private lastSellBlock = 0;\r
event MaxTxAmountUpdated(uint _maxTxAmount);\r
\r
modifier lockTheSwaps {\r
inSwap=true;\r
_;\r
inSwap = false;\r
}\r
\r
constructor () payable {\r
_taxWallet = payable(_msgSender());\r
_balances[address(this)] = _tTotal * 98 / 100;\r
_balances[_msgSender()] = _tTotal * 2 / 100;\r
\r
emit Transfer(address(0), address(this), _tTotal * 98 / 100);\r
emit Transfer(address(0), _msgSender(), _tTotal * 2 / 100);\r
}\r
\r
function name() public pure returns (string memory) {\r
return _name;\r
}\r
\r
function symbol() public pure returns (string memory) {\r
return _symbol;\r
}\r
\r
function decimals() public pure returns (uint8) {\r
return _decimals;\r
}\r
\r
function totalSupply() public pure override returns (uint256) {\r
return _tTotal;\r
}\r
\r
function balanceOf(address account) public view override returns (uint256) {\r
return _balances[account];\r
}\r
\r
function transfer(address recipient, uint256 amount) public override returns (bool) {\r
_transfer(_msgSender(), recipient, amount);\r
return true;\r
}\r
\r
function allowance(address owner, address spender) public view override returns (uint256) {\r
return _allowances[owner][spender];\r
}\r
\r
function approve(address spender, uint256 amount) public override returns (bool) {\r
_approve(_msgSender(), spender, amount);\r
return true;\r
}\r
\r
function transferFrom(address sender, address recipient, uint256 amount) public override returns (bool) {\r
_transfer(sender, recipient, amount);\r
_approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));\r
return true;\r
}\r
\r
function _approve(address owner, address spender, uint256 amount) private {\r
require(owner != address(0), "ERC20: approve from the zero address");\r
require(spender != address(0), "ERC20: approve to the zero address");\r
_allowances[owner][spender] = amount;\r
emit Approval(owner, spender, amount);\r
}\r
\r
function _transfer(address from, address to, uint256 amount) private {\r
require(from != address(0), "ERC20: transfer from the zero address");\r
require(to != address(0), "ERC20: transfer to the zero address");\r
require(amount > 0, "Transfer amount must be greater than zero");\r
uint256 taxAmount=0;\r
if (from != owner() && to != owner()) {\r
if(_buyCount==0){\r
require(to == uniswapV2Pair || swapEnabled);\r
taxAmount = amount.mul((_buyCount>=_reduceBuyTaxAt)?_finalBuyTax:_initialBuyTax).div(100);\r
}\r
if (from == uniswapV2Pair && to != address(uniswapV2Router)) {\r
require(amount <= _maxTxAmount, "Exceeds the _maxTxAmount.");\r
require(balanceOf(to) + amount <= _maxWalletSize, "Exceeds the maxWalletSize.");\r
taxAmount = amount.mul((_buyCount>=_reduceBuyTaxAt)?_finalBuyTax:_initialBuyTax).div(100);\r
_buyCount++;\r
}\r
\r
if(to == uniswapV2Pair && from!= address(this) ){\r
taxAmount = amount.mul((_buyCount>=_reduceSellTaxAt)?_finalSellTax:_initialSellTax).div(100);\r
}\r
\r
uint256 contractTokenBalance = balanceOf(address(this));\r
if (!inSwap && to == uniswapV2Pair && swapEnabled && contractTokenBalance > _taxSwapThreshold && _buyCount >= _preventSwapBefore) {\r
if (block.number > lastSellBlock) {\r
sellCount = 0;\r
}\r
require(sellCount < 3, "Only 3 sells per block!");\r
swapTokensForEth(min(amount, min(contractTokenBalance, _maxTaxSwap)));\r
sellCount++;\r
lastSellBlock = block.number;\r
}\r
if(to == uniswapV2Pair && swapEnabled) {\r
sendETHToFee(address(this).balance);\r
}\r
}\r
\r
if(taxAmount > 0){\r
_balances[address(this)]=_balances[address(this)].add(taxAmount);\r
emit Transfer(from, address(this),taxAmount);\r
}\r
_balances[from]=_balances[from].sub(amount);\r
_balances[to]=_balances[to].add(amount.sub(taxAmount));\r
emit Transfer(from, to, amount.sub(taxAmount));\r
}\r
\r
\r
function min(uint256 a, uint256 b) private pure returns (uint256){\r
return (a>b)?b:a;\r
}\r
\r
function sendETHToFee(uint256 amount) private {\r
_taxWallet.transfer(amount);\r
}\r
\r
function swapTokensForEth(uint256 tokenAmount) private lockTheSwaps {\r
address[] memory path = new address[](2);\r
path[0] = address(this);\r
path[1] = uniswapV2Router.WETH();\r
_approve(address(this), address(uniswapV2Router), tokenAmount);\r
uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(\r
tokenAmount,\r
0,\r
path,\r
address(this),\r
block.timestamp\r
);\r
}\r
\r
function removeLimits() public onlyOwner{\r
_maxTxAmount = _tTotal;\r
_maxWalletSize=_tTotal;\r
emit MaxTxAmountUpdated(_tTotal);\r
}\r
\r
function manualSwap() external {\r
require(_msgSender()==_taxWallet);\r
uint256 tokenBalances=balanceOf(address(this));\r
if(swapEnabled && tokenBalances>0){\r
swapTokensForEth(tokenBalances);\r
}\r
uint256 ethBalance=address(this).balance;\r
if(ethBalance>0){\r
sendETHToFee(ethBalance);\r
}\r
}\r
\r
function createPair() external onlyOwner() {\r
uniswapV2Router = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);\r
uniswapV2Pair = IUniswapV2Factory(uniswapV2Router.factory()).createPair(uniswapV2Router.WETH(), address(this));\r
IERC20(uniswapV2Pair).approve(address(uniswapV2Router), type(uint).max);\r
_approve(address(this), address(uniswapV2Router), _tTotal);\r
uniswapV2Router.addLiquidityETH{value: address(this).balance}(address(this),balanceOf(address(this)),0,0,owner(),block.timestamp);\r
}\r
\r
function enableTrading() external onlyOwner() {\r
require(!swapEnabled,"trading is already open");\r
swapEnabled = true;\r
}\r
\r
receive() external payable {}\r
}"
}
},
"settings": {
"optimizer": {
"enabled": true,
"runs": 200
},
"outputSelection": {
"*": {
"*": [
"evm.bytecode",
"evm.deployedBytecode",
"devdoc",
"userdoc",
"metadata",
"abi"
]
}
},
"remappings": []
}
}}
Submitted on: 2025-09-18 11:58:50
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