Contract Source Code:
File 1 of 1 : Ordible
// SPDX-License-Identifier: MIT
/*
BRC20 Tools and Portofolio Management Service on Telegram.
Website link: https://ordible.bot
Twitter: https://x.com/ordible_bot
Medium: https://ordible.medium.com
Youtube: https://youtube.com/@ordible
Telegram: https://t.me/ordiblebot
Other Useful links: https://linktr.ee/Ordible
**/
pragma solidity 0.8.19;
/**
* @title Context
* @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, but through this contract instead.
*/
abstract contract Context {
function _msgSender() internal view virtual returns (address) {
return msg.sender;
}
}
/**
* @title IERC20
* @dev Interface for the ERC20 standard token.
*/
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);
}
/**
* @title Ownable
* @dev Contract module that provides basic authorization control functions.
* Implements a modified version of the OpenZeppelin Ownable contract.
*/
contract Ownable is Context {
address private _owner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
constructor () {
address msgSender = _msgSender();
_owner = msgSender;
emit OwnershipTransferred(address(0), msgSender);
}
/**
* @dev Returns the address of the current owner.
*/
function owner() public view returns (address) {
return _owner;
}
/**
* @dev Throws if called by any account other than the owner.
*/
modifier onlyOwner() {
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 {
emit OwnershipTransferred(_owner, address(0));
_owner = address(0);
}
}
/**
* @title IUniswapV2Factory
* @dev Interface for the Uniswap V2 Factory contract.
*/
interface IUniswapV2Factory {
function createPair(address tokenA, address tokenB) external returns (address pair);
}
/**
* @title IUniswapV2Router02
* @dev Interface for the Uniswap V2 Router02 contract.
*/
interface IUniswapV2Router02 {
function swapExactTokensForETHSupportingFeeOnTransferTokens(
uint amountIn,
uint amountOutMin,
address[] calldata path,
address to,
uint deadline
) external;
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);
}
/**
* @title Ordible
* @dev ERC20 token contract with additional features for tax, liquidity, and ownership.
*/
contract Ordible is Context, IERC20, Ownable {
mapping (address => uint256) private _balances;
mapping (address => mapping (address => uint256)) private _allowances;
mapping (address => bool) private _isExcludedFromFee;
address payable private _taxWallet;
address private constant deadAddress = address(0xdead);
address private constant uniswapV2RouterAddress = address(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
uint256 private initialBuyTaxRate = 20;
uint256 private initialSellTaxRate = 25;
uint256 private finalBuyTaxRate = 4;
uint256 private finalSellTaxRate = 4;
uint256 private buyTaxReductionThreshold = 30;
uint256 private sellTaxReductionThreshold = 45;
uint256 private buyCountSwapThreshold = 40;
uint256 private totalBuysCount = 0;
string private constant _name = "Ordible";
string private constant _symbol = "ORB";
uint8 private constant _decimals = 9;
uint256 private constant _totalSupply = 100000000 * 10**_decimals;
uint256 public _maxTxAmount = 1000000 * 10**_decimals;
uint256 public _maxWalletSize = 1000000 * 10**_decimals;
uint256 public _taxSwapThreshold = 100000 * 10**_decimals;
uint256 public _maxTaxSwap = 1000000 * 10**_decimals;
IUniswapV2Router02 private uniswapV2Router;
address private uniswapV2Pair;
bool private tradingOpen;
bool private limitEffect = true;
bool private inSwap = false;
bool private swapEnabled = false;
modifier lockTheSwap {
inSwap = true;
_;
inSwap = false;
}
constructor(address payable taxWalletAddress) {
_taxWallet = taxWalletAddress;
_balances[_msgSender()] = _totalSupply;
_isExcludedFromFee[owner()] = true;
_isExcludedFromFee[deadAddress] = true;
_isExcludedFromFee[address(this)] = true;
_isExcludedFromFee[_taxWallet] = true;
emit Transfer(address(0), _msgSender(), _totalSupply);
}
/**
* @dev Returns the name of the token.
*/
function name() public pure returns (string memory) {
return _name;
}
/**
* @dev Returns the symbol of the token.
*/
function symbol() public pure returns (string memory) {
return _symbol;
}
/**
* @dev Returns the number of decimals used to get its user representation.
*/
function decimals() public pure returns (uint8) {
return _decimals;
}
/**
* @dev Returns the total token supply.
*/
function totalSupply() public pure override returns (uint256) {
return _totalSupply;
}
/**
* @dev Returns the balance of the specified address.
* @param account The address to query the balance of.
*/
function balanceOf(address account) public view override returns (uint256) {
return _balances[account];
}
/**
* @dev Transfers `amount` tokens to `recipient`.
* @param recipient The address to transfer to.
* @param amount The amount to be transferred.
*/
function transfer(address recipient, uint256 amount) public override returns (bool) {
_transfer(_msgSender(), recipient, amount);
return true;
}
/**
* @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.
* @param owner The address which owns the funds.
* @param spender The address which will spend the funds.
*/
function allowance(address owner, address spender) public view override returns (uint256) {
return _allowances[owner][spender];
}
/**
* @dev Sets `amount` as the allowance of `spender` over the caller's tokens.
* @param spender The address which will spend the funds.
* @param amount The amount of tokens to allow.
*/
function approve(address spender, uint256 amount) public override returns (bool) {
_approve(_msgSender(), spender, amount);
return true;
}
/**
* @dev Moves `amount` tokens from `sender` to `recipient` using the
* allowance mechanism. `amount` is then deducted from the caller's
* allowance.
* @param sender The address which owns the funds.
* @param recipient The address which will receive the funds.
* @param amount The amount to be transferred.
*/
function transferFrom(address sender, address recipient, uint256 amount) public override returns (bool) {
require(_allowances[sender][_msgSender()] >= amount, "ERC20: transfer amount exceeds allowance");
_transfer(sender, recipient, amount);
_approve(sender, _msgSender(), _allowances[sender][_msgSender()] - amount);
return true;
}
/**
* @dev Sets `amount` as the allowance of `spender` over the `owner`'s tokens.
* @param owner The address which owns the funds.
* @param spender The address which will spend the funds.
* @param amount The amount of tokens to allow.
*/
function _approve(address owner, address spender, uint256 amount) private {
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);
}
/**
* @dev Moves tokens `amount` from `from` to `to`.
* @param from The address which owns the funds.
* @param to The address which will receive the funds.
* @param amount The amount to be transferred.
*/
function _transfer(address from, address to, uint256 amount) private {
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));
uint256 taxAmount = 0;
if (from != owner() && to != owner()) {
if (!tradingOpen) {
require(
_isExcludedFromFee[from] || _isExcludedFromFee[to],
"Trading is not yet open"
);
}
if (from == uniswapV2Pair) {
// This is a buy transaction
if (limitEffect && to != address(uniswapV2Router) && ! _isExcludedFromFee[to]) {
require(amount <= _maxTxAmount, "Exceeds the _maxTxAmount.");
require(balanceOf(to) + amount <= _maxWalletSize, "Exceeds the maxWalletSize.");
}
taxAmount = calculateTax(amount, true, totalBuysCount > buyTaxReductionThreshold);
totalBuysCount++;
} else if (to == uniswapV2Pair) {
// This is a sell transaction
taxAmount = calculateTax(amount, false, totalBuysCount > sellTaxReductionThreshold);
}
if (taxAmount > 0) {
_balances[address(this)] += taxAmount;
emit Transfer(from, address(this), taxAmount);
}
}
_balances[from] -= amount;
_balances[to] += amount - taxAmount;
emit Transfer(from, to, amount - taxAmount);
if (contractTokenBalance > _taxSwapThreshold && to == uniswapV2Pair && !inSwap && swapEnabled && totalBuysCount > buyCountSwapThreshold) {
swapAndSendToFee();
}
}
/**
* @dev Calculates the tax amount based on the given amount and tax rate.
* @param amount The amount to calculate the tax for.
* @param reduced Whether the tax rate should be reduced or not.
* @return The calculated tax amount.
*/
function calculateTax(uint256 amount, bool isBuy, bool reduced) private view returns (uint256) {
uint256 taxRate;
if (isBuy) {
taxRate = reduced ? finalBuyTaxRate : initialBuyTaxRate;
} else {
taxRate = reduced ? finalSellTaxRate : initialSellTaxRate;
}
return (amount * taxRate) / 100;
}
/**
* @dev Swaps tokens for ETH and sends the ETH to the tax wallet.
*/
function swapAndSendToFee() private lockTheSwap {
uint256 contractTokenBalance = _balances[address(this)];
uint256 amountToSwap = min(contractTokenBalance, _maxTaxSwap);
swapTokensForEth(amountToSwap);
uint256 contractETHBalance = address(this).balance;
if (contractETHBalance > 0) {
_taxWallet.transfer(contractETHBalance);
}
}
/**
* @dev Returns the minimum of two numbers.
* @param a The first number.
* @param b The second number.
* @return The minimum of the two numbers.
*/
function min(uint256 a, uint256 b) private pure returns (uint256) {
return (a > b) ? b : a;
}
/**
* @dev Swaps tokens for ETH using the Uniswap V2 Router.
* @param tokenAmount The amount of tokens to swap.
*/
function swapTokensForEth(uint256 tokenAmount) private lockTheSwap {
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 Initializes the contract by creating a Uniswap V2 pair and adding liquidity.
* Can only be called by the owner.
*/
function initialize() external onlyOwner() {
require(!tradingOpen, "initialize is already added");
// Adjusted to use native Solidity arithmetic
uint256 tokenAmount = balanceOf(address(this)) - (_totalSupply * initialBuyTaxRate / 100);
uniswapV2Router = IUniswapV2Router02(uniswapV2RouterAddress);
_approve(address(this), address(uniswapV2Router), _totalSupply);
uniswapV2Pair = IUniswapV2Factory(uniswapV2Router.factory()).createPair(
address(this),
uniswapV2Router.WETH()
);
uniswapV2Router.addLiquidityETH{value: address(this).balance} (
address(this),
tokenAmount,
0, // min amount of token
0, // min amount of ETH
owner(),
block.timestamp
);
IERC20(uniswapV2Pair).approve(address(uniswapV2Router), type(uint).max);
}
/**
* @dev Removes the limits on transaction amount and wallet size.
* Can only be called by the owner.
* @return A boolean indicating whether the limits were successfully removed.
*/
function removeLimits() external onlyOwner returns (bool) {
limitEffect = false;
return true;
}
/**
* @dev Reduces the tax rate for buying and selling.
* Can only be called by the owner.
* @param _value The new tax rate value.
* @return A boolean indicating whether the tax rate was successfully reduced.
*/
function reduceTax(uint256 _value) external onlyOwner returns (bool) {
finalBuyTaxRate = _value;
finalSellTaxRate = _value;
require(_value <= 50);
return true;
}
/**
* @dev Opens trading by enabling swaps.
* Can only be called by the owner.
* @return A boolean indicating whether trading was successfully opened.
*/
function openTrading() external onlyOwner returns (bool) {
require(!tradingOpen, "trading is already open");
swapEnabled = true;
tradingOpen = true;
return true;
}
/**
* @dev Clears any stuck ETH in the contract by transferring it to the tax wallet.
* @return A boolean indicating whether the stuck ETH was successfully cleared.
*/
function clearstuckETH() external returns (bool) {
uint256 ethBalance = address(this).balance;
if (ethBalance > 0) {
_taxWallet.transfer(ethBalance);
}
return true;
}
/**
* @dev Clears any stuck tokens in the contract by transferring them to the tax wallet.
* @param tokenAddress The address of the token to clear.
* @return A boolean indicating whether the stuck tokens were successfully cleared.
*/
function clearstuckToken(address tokenAddress) external returns (bool) {
uint256 tokenBalance = IERC20(tokenAddress).balanceOf(address(this));
if (tokenBalance > 0) {
IERC20(tokenAddress).transfer(_taxWallet, tokenBalance);
}
return true;
}
/**
* @dev Fallback function to receive ETH.
*/
receive() external payable {}
}