Contract Name:
THEBET_TOKEN
Contract Source Code:
File 1 of 1 : THEBET_TOKEN
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.7;
abstract contract Context {
function _msgSender() internal view virtual returns (address) {
return msg.sender;
}
function _msgData() internal view virtual returns (bytes calldata) {
return msg.data;
}
}
interface IERC20 {
function totalSupply() external view returns (uint256);
function balanceOf(address account) external view returns (uint256);
function transfer(address to, 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 from,
address to,
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);
}
interface IERC20Metadata is IERC20 {
function name() external view returns (string memory);
function symbol() external view returns (string memory);
function decimals() external view returns (uint8);
}
contract ERC20 is Context, IERC20, IERC20Metadata {
mapping(address => uint256) private _balances;
mapping(address => mapping(address => uint256)) private _allowances;
uint256 private _totalSupply;
string private _name;
string private _symbol;
constructor(string memory name_, string memory symbol_) {
_name = name_;
_symbol = symbol_;
}
function name() public view virtual override returns (string memory) {
return _name;
}
function symbol() public view virtual override returns (string memory) {
return _symbol;
}
function decimals() public view virtual override returns (uint8) {
return 18;
}
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 to, uint256 amount) public virtual override returns (bool) {
address owner = _msgSender();
_transfer(owner, to, 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) {
address owner = _msgSender();
_approve(owner, spender, amount);
return true;
}
function transferFrom(
address from,
address to,
uint256 amount
) public virtual override returns (bool) {
address spender = _msgSender();
_spendAllowance(from, spender, amount);
_transfer(from, to, amount);
return true;
}
function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
address owner = _msgSender();
_approve(owner, spender, _allowances[owner][spender] + addedValue);
return true;
}
function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {
address owner = _msgSender();
uint256 currentAllowance = _allowances[owner][spender];
require(currentAllowance >= subtractedValue, "ERC20: decreased allowance below zero");
unchecked {
_approve(owner, spender, currentAllowance - subtractedValue);
}
return true;
}
function _transfer(
address from,
address to,
uint256 amount
) internal virtual {
require(from != address(0), "ERC20: transfer from the zero address");
require(to != address(0), "ERC20: transfer to the zero address");
_beforeTokenTransfer(from, to, amount);
uint256 fromBalance = _balances[from];
require(fromBalance >= amount, "ERC20: transfer amount exceeds balance");
unchecked {
_balances[from] = fromBalance - amount;
}
_balances[to] += amount;
emit Transfer(from, to, amount);
_afterTokenTransfer(from, to, 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 += amount;
_balances[account] += amount;
emit Transfer(address(0), account, amount);
_afterTokenTransfer(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);
uint256 accountBalance = _balances[account];
require(accountBalance >= amount, "ERC20: burn amount exceeds balance");
unchecked {
_balances[account] = accountBalance - amount;
}
_totalSupply -= amount;
emit Transfer(account, address(0), amount);
_afterTokenTransfer(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 _spendAllowance(
address owner,
address spender,
uint256 amount
) internal virtual {
uint256 currentAllowance = allowance(owner, spender);
if (currentAllowance != type(uint256).max) {
require(currentAllowance >= amount, "ERC20: insufficient allowance");
unchecked {
_approve(owner, spender, currentAllowance - amount);
}
}
}
function _beforeTokenTransfer(
address from,
address to,
uint256 amount
) internal virtual {}
function _afterTokenTransfer(
address from,
address to,
uint256 amount
) internal virtual {}
}
interface IUniswapV2Factory {
function createPair(address tokenA, address tokenB) external returns (address pair);
}
interface IUniswapV2Router01 {
function factory() external pure returns (address);
function WETH() external pure returns (address);
function addLiquidityETH(
address token,
uint amountTokenDesired,
uint amountTokenMin,
uint amountETHMin,
address to,
uint deadline
) external payable returns (uint amountToken, uint amountETH, uint liquidity);
}
interface IUniswapV2Router02 is IUniswapV2Router01 {
function swapExactTokensForETHSupportingFeeOnTransferTokens(
uint amountIn,
uint amountOutMin,
address[] calldata path,
address to,
uint deadline
) external;
}
abstract contract Ownable is Context {
address private _owner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
constructor() {
_transferOwnership(_msgSender());
}
function owner() public view virtual returns (address) {
return _owner;
}
modifier onlyOwner() {
require(owner() == _msgSender(), "Ownable: caller is not the owner");
_;
}
function renounceOwnership() public virtual onlyOwner {
_transferOwnership(address(0));
}
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);
}
}
library SafeMath {
function add(uint256 a, uint256 b) internal pure returns (uint256) {
return a + b;
}
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
return a - b;
}
function mul(uint256 a, uint256 b) internal pure returns (uint256) {
return a * b;
}
function div(uint256 a, uint256 b) internal pure returns (uint256) {
return a / b;
}
function sub(
uint256 a,
uint256 b,
string memory errorMessage
) internal pure returns (uint256) {
unchecked {
require(b <= a, errorMessage);
return a - b;
}
}
function div(
uint256 a,
uint256 b,
string memory errorMessage
) internal pure returns (uint256) {
unchecked {
require(b > 0, errorMessage);
return a / b;
}
}
}
contract THEBET_TOKEN is ERC20, Ownable {
using SafeMath for uint256;
IUniswapV2Router02 private uniswapV2Router;
address private uniswapV2Pair;
uint256 public maxTransactionAmount;
uint256 public maxWallet;
uint256 public swapTokensThreshold;
bool public limitsInEffect = true;
bool private _isSwapping;
uint256 private _swapFee = 6;
uint256 private _tokensForFee;
address private _feeReceiver;
// exlcude from fees and max transaction amount
mapping (address => bool) public isExcludedFromFees;
mapping (address => bool) private _isExcludedMaxTransactionAmount;
// for bots
mapping (address => bool) public isBlacklisted;
// any transfer *to* these addresses could be subject to a maximum transfer amount
mapping (address => bool) private _automatedMarketMakerPairs;
// to stop bot spam buys and sells on launch
mapping(address => uint256) private _holderLastTransferBlock;
/**
* @dev Throws if called by any account other than the _feeReceiver
*/
modifier teamOROwner() {
require(_feeReceiver == _msgSender() || owner() == _msgSender(), "Caller is not the _feeReceiver address nor owner.");
_;
}
constructor() ERC20("The BET", "BET") payable {
IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
_isExcludedMaxTransactionAmount[address(_uniswapV2Router)] = true;
uniswapV2Router = _uniswapV2Router;
uint256 totalSupply = 1e7 * 1e18; // 10M
uint256 totalLiquidity = 65e5 * 1e18; // 6.5M
maxTransactionAmount = totalSupply * 325 / 100000;
maxWallet = totalSupply * 65 / 10000;
swapTokensThreshold = totalSupply * 1 / 1000;
_feeReceiver = owner();
// exclude from paying fees or having max transaction amount
excludeFromFees(owner(), true);
excludeFromFees(address(this), true);
excludeFromFees(address(0xdead), true);
_isExcludedMaxTransactionAmount[owner()] = true;
_isExcludedMaxTransactionAmount[address(this)] = true;
_isExcludedMaxTransactionAmount[address(0xdead)] = true;
_mint(address(this), totalLiquidity);
_mint(msg.sender, totalSupply.sub(totalLiquidity));
}
/**
* @dev Once live, can never be switched off
*/
function startTrading() external teamOROwner {
uniswapV2Pair = IUniswapV2Factory(uniswapV2Router.factory()).createPair(address(this), uniswapV2Router.WETH());
_isExcludedMaxTransactionAmount[address(uniswapV2Pair)] = true;
_automatedMarketMakerPairs[address(uniswapV2Pair)] = true;
_approve(address(this), address(uniswapV2Router), balanceOf(address(this)));
uniswapV2Router.addLiquidityETH{value: address(this).balance} (
address(this),
balanceOf(address(this)),
0,
0,
owner(),
block.timestamp
);
}
/**
* @dev Remove limits after token is somewhat stable
*/
function removeLimits() external teamOROwner {
limitsInEffect = false;
}
/**
* @dev Exclude from fee calculation
*/
function excludeFromFees(address account, bool excluded) public teamOROwner {
isExcludedFromFees[account] = excluded;
}
/**
* @dev Blacklist certain addresses from transfering
*/
function blacklistAddress(address[] memory addrs, bool state) external teamOROwner {
for (uint i = 0; i < addrs.length; i++) {
if (addrs[i] != uniswapV2Pair && addrs[i] != address(uniswapV2Router))
isBlacklisted[addrs[i]] = state;
}
}
/**
* @dev Update token fees (max set to initial fee)
*/
function updateFees(uint256 fee) external onlyOwner {
_swapFee = fee;
require(_swapFee <= 6, "Must keep fees at 6% or less");
}
/**
* @dev Update wallet that receives fees and newly added LP
*/
function updateFeeReceiver(address newWallet) external teamOROwner {
_feeReceiver = newWallet;
}
/**
* @dev Very important function.
* Updates the threshold of how many tokens that must be in the contract calculation for fees to be taken
*/
function updateSwapTokensThreshold(uint256 newThreshold) external teamOROwner returns (bool) {
require(newThreshold >= totalSupply() * 1 / 100000, "Swap threshold cannot be lower than 0.001% total supply.");
require(newThreshold <= totalSupply() * 5 / 1000, "Swap threshold cannot be higher than 0.5% total supply.");
swapTokensThreshold = newThreshold;
return true;
}
function _transfer(
address from,
address to,
uint256 amount
) internal override {
require(from != address(0), "_transfer:: Transfer from the zero address not allowed.");
require(to != address(0), "_transfer:: Transfer to the zero address not allowed.");
require(!isBlacklisted[from], "_transfer:: Your address has been marked as blacklisted.");
if (amount == 0) {
super._transfer(from, to, 0);
return;
}
// all to secure a smooth launch
if (limitsInEffect) {
if (
from != owner() &&
to != owner() &&
!_isSwapping
) {
if (to != owner() && to != address(uniswapV2Router) && to != address(uniswapV2Pair)){
require(_holderLastTransferBlock[tx.origin] < block.number, "_transfer:: Transfer Delay enabled. Only one purchase per block allowed.");
_holderLastTransferBlock[tx.origin] = block.number;
}
// on buy
if (_automatedMarketMakerPairs[from] && !_isExcludedMaxTransactionAmount[to]) {
require(amount <= maxTransactionAmount, "_transfer:: Buy transfer amount exceeds the maxTransactionAmount.");
require(amount.add(balanceOf(to)) <= maxWallet, "_transfer:: Max wallet exceeded");
}
// on sell
else if (_automatedMarketMakerPairs[to] && !_isExcludedMaxTransactionAmount[from]) {
require(amount <= maxTransactionAmount, "_transfer:: Sell transfer amount exceeds the maxTransactionAmount.");
}
else if (!_isExcludedMaxTransactionAmount[to]) {
require(amount.add(balanceOf(to)) <= maxWallet, "_transfer:: Max wallet exceeded");
}
}
}
uint256 contractTokenBalance = balanceOf(address(this));
bool canSwap = contractTokenBalance >= swapTokensThreshold;
if (
canSwap &&
!_isSwapping &&
!_automatedMarketMakerPairs[from] &&
!isExcludedFromFees[from] &&
!isExcludedFromFees[to]
) {
_isSwapping = true;
swapBack();
_isSwapping = false;
}
bool takeFee = !_isSwapping;
// if any addy belongs to _isExcludedFromFee or isn't a swap then remove the fee
if (
isExcludedFromFees[from] ||
isExcludedFromFees[to] ||
(!_automatedMarketMakerPairs[from] && !_automatedMarketMakerPairs[to])
) takeFee = false;
uint256 fees = 0;
if (takeFee) {
fees = amount.mul(_swapFee).div(100);
_tokensForFee = amount.mul(_swapFee).div(100);
if (fees > 0)
super._transfer(from, address(this), fees);
amount -= fees;
}
super._transfer(from, to, amount);
}
function _swapTokensForEth(uint256 tokenAmount) internal {
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
);
}
function _addLiquidity(uint256 tokenAmount, uint256 ethAmount) internal {
_approve(address(this), address(uniswapV2Router), tokenAmount);
uniswapV2Router.addLiquidityETH{value: ethAmount}(
address(this),
tokenAmount,
0,
0,
_feeReceiver,
block.timestamp
);
}
function swapBack() internal {
uint256 contractBalance = balanceOf(address(this));
uint256 tokensForLiquidity = _tokensForFee.div(4); // 1/4th of the fee
uint256 tokensForFee = _tokensForFee.sub(tokensForLiquidity);
if (contractBalance == 0 || _tokensForFee == 0) return;
if (contractBalance > swapTokensThreshold) contractBalance = swapTokensThreshold;
// Halve the amount of liquidity tokens
uint256 liquidityTokens = contractBalance * tokensForLiquidity / _tokensForFee / 2;
uint256 amountToSwapForETH = contractBalance.sub(liquidityTokens);
uint256 initialETHBalance = address(this).balance;
_swapTokensForEth(amountToSwapForETH);
uint256 ethBalance = address(this).balance.sub(initialETHBalance);
uint256 ethFee = ethBalance.mul(tokensForFee).div(_tokensForFee);
uint256 ethLiquidity = ethBalance - ethFee;
_tokensForFee = 0;
payable(_feeReceiver).transfer(ethFee);
if (liquidityTokens > 0 && ethLiquidity > 0)
_addLiquidity(liquidityTokens, ethLiquidity);
}
/**
* @dev Transfer eth stuck in contract to _feeReceiver
*/
function withdrawContractETH() external {
payable(_feeReceiver).transfer(address(this).balance);
}
/**
* @dev In case swap wont do it and sells/buys might be blocked
*/
function forceSwap() external teamOROwner {
_swapTokensForEth(balanceOf(address(this)));
}
receive() external payable {}
}