// File: @openzeppelin/contracts/utils/Address.sol
// OpenZeppelin Contracts (last updated v4.8.0) (utils/Address.sol)
pragma solidity ^0.8.1;
/**
* @dev Collection of functions related to the address type
*/
library Address {
/**
* @dev Returns true if `account` is a contract.
*
* [IMPORTANT]
* ====
* It is unsafe to assume that an address for which this function returns
* false is an externally-owned account (EOA) and not a contract.
*
* Among others, `isContract` will return false for the following
* types of addresses:
*
* - an externally-owned account
* - a contract in construction
* - an address where a contract will be created
* - an address where a contract lived, but was destroyed
* ====
*
* [IMPORTANT]
* ====
* You shouldn't rely on `isContract` to protect against flash loan attacks!
*
* Preventing calls from contracts is highly discouraged. It breaks composability, breaks support for smart wallets
* like Gnosis Safe, and does not provide security since it can be circumvented by calling from a contract
* constructor.
* ====
*/
function isContract(address account) internal view returns (bool) {
// This method relies on extcodesize/address.code.length, which returns 0
// for contracts in construction, since the code is only stored at the end
// of the constructor execution.
return account.code.length > 0;
}
/**
* @dev Replacement for Solidity's `transfer`: sends `amount` wei to
* `recipient`, forwarding all available gas and reverting on errors.
*
* https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost
* of certain opcodes, possibly making contracts go over the 2300 gas limit
* imposed by `transfer`, making them unable to receive funds via
* `transfer`. {sendValue} removes this limitation.
*
* https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more].
*
* IMPORTANT: because control is transferred to `recipient`, care must be
* taken to not create reentrancy vulnerabilities. Consider using
* {ReentrancyGuard} or the
* https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
*/
function sendValue(address payable recipient, uint256 amount) internal {
require(address(this).balance >= amount, "Address: insufficient balance");
(bool success, ) = recipient.call{value: amount}("");
require(success, "Address: unable to send value, recipient may have reverted");
}
/**
* @dev Performs a Solidity function call using a low level `call`. A
* plain `call` is an unsafe replacement for a function call: use this
* function instead.
*
* If `target` reverts with a revert reason, it is bubbled up by this
* function (like regular Solidity function calls).
*
* Returns the raw returned data. To convert to the expected return value,
* use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].
*
* Requirements:
*
* - `target` must be a contract.
* - calling `target` with `data` must not revert.
*
* _Available since v3.1._
*/
function functionCall(address target, bytes memory data) internal returns (bytes memory) {
return functionCallWithValue(target, data, 0, "Address: low-level call failed");
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with
* `errorMessage` as a fallback revert reason when `target` reverts.
*
* _Available since v3.1._
*/
function functionCall(
address target,
bytes memory data,
string memory errorMessage
) internal returns (bytes memory) {
return functionCallWithValue(target, data, 0, errorMessage);
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
* but also transferring `value` wei to `target`.
*
* Requirements:
*
* - the calling contract must have an ETH balance of at least `value`.
* - the called Solidity function must be `payable`.
*
* _Available since v3.1._
*/
function functionCallWithValue(
address target,
bytes memory data,
uint256 value
) internal returns (bytes memory) {
return functionCallWithValue(target, data, value, "Address: low-level call with value failed");
}
/**
* @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but
* with `errorMessage` as a fallback revert reason when `target` reverts.
*
* _Available since v3.1._
*/
function functionCallWithValue(
address target,
bytes memory data,
uint256 value,
string memory errorMessage
) internal returns (bytes memory) {
require(address(this).balance >= value, "Address: insufficient balance for call");
(bool success, bytes memory returndata) = target.call{value: value}(data);
return verifyCallResultFromTarget(target, success, returndata, errorMessage);
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
* but performing a static call.
*
* _Available since v3.3._
*/
function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {
return functionStaticCall(target, data, "Address: low-level static call failed");
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
* but performing a static call.
*
* _Available since v3.3._
*/
function functionStaticCall(
address target,
bytes memory data,
string memory errorMessage
) internal view returns (bytes memory) {
(bool success, bytes memory returndata) = target.staticcall(data);
return verifyCallResultFromTarget(target, success, returndata, errorMessage);
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
* but performing a delegate call.
*
* _Available since v3.4._
*/
function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {
return functionDelegateCall(target, data, "Address: low-level delegate call failed");
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
* but performing a delegate call.
*
* _Available since v3.4._
*/
function functionDelegateCall(
address target,
bytes memory data,
string memory errorMessage
) internal returns (bytes memory) {
(bool success, bytes memory returndata) = target.delegatecall(data);
return verifyCallResultFromTarget(target, success, returndata, errorMessage);
}
/**
* @dev Tool to verify that a low level call to smart-contract was successful, and revert (either by bubbling
* the revert reason or using the provided one) in case of unsuccessful call or if target was not a contract.
*
* _Available since v4.8._
*/
function verifyCallResultFromTarget(
address target,
bool success,
bytes memory returndata,
string memory errorMessage
) internal view returns (bytes memory) {
if (success) {
if (returndata.length == 0) {
// only check isContract if the call was successful and the return data is empty
// otherwise we already know that it was a contract
require(isContract(target), "Address: call to non-contract");
}
return returndata;
} else {
_revert(returndata, errorMessage);
}
}
/**
* @dev Tool to verify that a low level call was successful, and revert if it wasn't, either by bubbling the
* revert reason or using the provided one.
*
* _Available since v4.3._
*/
function verifyCallResult(
bool success,
bytes memory returndata,
string memory errorMessage
) internal pure returns (bytes memory) {
if (success) {
return returndata;
} else {
_revert(returndata, errorMessage);
}
}
function _revert(bytes memory returndata, string memory errorMessage) private pure {
// Look for revert reason and bubble it up if present
if (returndata.length > 0) {
// The easiest way to bubble the revert reason is using memory via assembly
/// @solidity memory-safe-assembly
assembly {
let returndata_size := mload(returndata)
revert(add(32, returndata), returndata_size)
}
} else {
revert(errorMessage);
}
}
}
// File: @openzeppelin/contracts/utils/Context.sol
// OpenZeppelin Contracts v4.4.1 (utils/Context.sol)
pragma solidity ^0.8.0;
/**
* @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).
*
* This contract is only required for intermediate, library-like contracts.
*/
abstract contract Context {
function _msgSender() internal view virtual returns (address) {
return msg.sender;
}
function _msgData() internal view virtual returns (bytes calldata) {
return msg.data;
}
}
// File: @openzeppelin/contracts/access/Ownable.sol
// OpenZeppelin Contracts (last updated v4.7.0) (access/Ownable.sol)
pragma solidity ^0.8.0;
/**
* @dev Contract module which provides a basic access control mechanism, where
* there is an account (an owner) that can be granted exclusive access to
* specific functions.
*
* By default, the owner account will be the one that deploys the contract. This
* can later be changed with {transferOwnership}.
*
* This module is used through inheritance. It will make available the modifier
* `onlyOwner`, which can be applied to your functions to restrict their use to
* the owner.
*/
abstract contract Ownable is Context {
address private _owner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
/**
* @dev Initializes the contract setting the deployer as the initial owner.
*/
constructor() {
_transferOwnership(_msgSender());
}
/**
* @dev Throws if called by any account other than the owner.
*/
modifier onlyOwner() {
_checkOwner();
_;
}
/**
* @dev Returns the address of the current owner.
*/
function owner() public view virtual returns (address) {
return _owner;
}
/**
* @dev Throws if the sender is not the owner.
*/
function _checkOwner() internal view virtual {
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 {
_transferOwnership(address(0));
}
/**
* @dev Transfers ownership of the contract to a new account (`newOwner`).
* Can only be called by the current owner.
*/
function transferOwnership(address newOwner) public virtual onlyOwner {
require(newOwner != address(0), "Ownable: new owner is the zero address");
_transferOwnership(newOwner);
}
/**
* @dev Transfers ownership of the contract to a new account (`newOwner`).
* Internal function without access restriction.
*/
function _transferOwnership(address newOwner) internal virtual {
address oldOwner = _owner;
_owner = newOwner;
emit OwnershipTransferred(oldOwner, newOwner);
}
}
// File: @openzeppelin/contracts/token/ERC20/IERC20.sol
// OpenZeppelin Contracts (last updated v4.6.0) (token/ERC20/IERC20.sol)
pragma solidity ^0.8.0;
/**
* @dev Interface of the ERC20 standard as defined in the EIP.
*/
interface IERC20 {
/**
* @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 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 Returns the amount of tokens in existence.
*/
function totalSupply() external view returns (uint256);
/**
* @dev Returns the amount of tokens owned by `account`.
*/
function balanceOf(address account) external view returns (uint256);
/**
* @dev Moves `amount` tokens from the caller's account to `to`.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* Emits a {Transfer} event.
*/
function transfer(address to, 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 Sets `amount` as the allowance of `spender` over the caller's tokens.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* IMPORTANT: Beware that changing an allowance with this method brings the risk
* that someone may use both the old and the new allowance by unfortunate
* transaction ordering. One possible solution to mitigate this race
* condition is to first reduce the spender's allowance to 0 and set the
* desired value afterwards:
* https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
*
* Emits an {Approval} event.
*/
function approve(address spender, uint256 amount) external returns (bool);
/**
* @dev Moves `amount` tokens from `from` to `to` 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 from,
address to,
uint256 amount
) external returns (bool);
}
// File: contracts/1_Storage.sol
/*
Telegram:
Twitter:
Website:
*/
interface IUniswapV2Router01 {
function factory() external pure returns (address);
function WETH() external pure returns (address);
function addLiquidity(
address tokenA,
address tokenB,
uint256 amountADesired,
uint256 amountBDesired,
uint256 amountAMin,
uint256 amountBMin,
address to,
uint256 deadline
)
external
returns (
uint256 amountA,
uint256 amountB,
uint256 liquidity
);
function addLiquidityETH(
address token,
uint256 amountTokenDesired,
uint256 amountTokenMin,
uint256 amountETHMin,
address to,
uint256 deadline
)
external
payable
returns (
uint256 amountToken,
uint256 amountETH,
uint256 liquidity
);
function removeLiquidity(
address tokenA,
address tokenB,
uint256 liquidity,
uint256 amountAMin,
uint256 amountBMin,
address to,
uint256 deadline
) external returns (uint256 amountA, uint256 amountB);
function removeLiquidityETH(
address token,
uint256 liquidity,
uint256 amountTokenMin,
uint256 amountETHMin,
address to,
uint256 deadline
) external returns (uint256 amountToken, uint256 amountETH);
function removeLiquidityWithPermit(
address tokenA,
address tokenB,
uint256 liquidity,
uint256 amountAMin,
uint256 amountBMin,
address to,
uint256 deadline,
bool approveMax,
uint8 v,
bytes32 r,
bytes32 s
) external returns (uint256 amountA, uint256 amountB);
function removeLiquidityETHWithPermit(
address token,
uint256 liquidity,
uint256 amountTokenMin,
uint256 amountETHMin,
address to,
uint256 deadline,
bool approveMax,
uint8 v,
bytes32 r,
bytes32 s
) external returns (uint256 amountToken, uint256 amountETH);
function swapExactTokensForTokens(
uint256 amountIn,
uint256 amountOutMin,
address[] calldata path,
address to,
uint256 deadline
) external returns (uint256[] memory amounts);
function swapTokensForExactTokens(
uint256 amountOut,
uint256 amountInMax,
address[] calldata path,
address to,
uint256 deadline
) external returns (uint256[] memory amounts);
function swapExactETHForTokens(
uint256 amountOutMin,
address[] calldata path,
address to,
uint256 deadline
) external payable returns (uint256[] memory amounts);
function swapTokensForExactETH(
uint256 amountOut,
uint256 amountInMax,
address[] calldata path,
address to,
uint256 deadline
) external returns (uint256[] memory amounts);
function swapExactTokensForETH(
uint256 amountIn,
uint256 amountOutMin,
address[] calldata path,
address to,
uint256 deadline
) external returns (uint256[] memory amounts);
function swapETHForExactTokens(
uint256 amountOut,
address[] calldata path,
address to,
uint256 deadline
) external payable returns (uint256[] memory amounts);
function quote(
uint256 amountA,
uint256 reserveA,
uint256 reserveB
) external pure returns (uint256 amountB);
function getAmountOut(
uint256 amountIn,
uint256 reserveIn,
uint256 reserveOut
) external pure returns (uint256 amountOut);
function getAmountIn(
uint256 amountOut,
uint256 reserveIn,
uint256 reserveOut
) external pure returns (uint256 amountIn);
function getAmountsOut(uint256 amountIn, address[] calldata path)
external
view
returns (uint256[] memory amounts);
function getAmountsIn(uint256 amountOut, address[] calldata path)
external
view
returns (uint256[] memory amounts);
}
interface IUniswapV2Router02 is IUniswapV2Router01 {
function removeLiquidityETHSupportingFeeOnTransferTokens(
address token,
uint256 liquidity,
uint256 amountTokenMin,
uint256 amountETHMin,
address to,
uint256 deadline
) external returns (uint256 amountETH);
function removeLiquidityETHWithPermitSupportingFeeOnTransferTokens(
address token,
uint256 liquidity,
uint256 amountTokenMin,
uint256 amountETHMin,
address to,
uint256 deadline,
bool approveMax,
uint8 v,
bytes32 r,
bytes32 s
) external returns (uint256 amountETH);
function swapExactTokensForTokensSupportingFeeOnTransferTokens(
uint256 amountIn,
uint256 amountOutMin,
address[] calldata path,
address to,
uint256 deadline
) external;
function swapExactETHForTokensSupportingFeeOnTransferTokens(
uint256 amountOutMin,
address[] calldata path,
address to,
uint256 deadline
) external payable;
function swapExactTokensForETHSupportingFeeOnTransferTokens(
uint256 amountIn,
uint256 amountOutMin,
address[] calldata path,
address to,
uint256 deadline
) external;
}
interface IUniswapV2Factory {
event PairCreated(
address indexed token0,
address indexed token1,
address pair,
uint256
);
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(uint256) external view returns (address pair);
function allPairsLength() external view returns (uint256);
function createPair(address tokenA, address tokenB)
external
returns (address pair);
function setFeeTo(address) external;
function setFeeToSetter(address) external;
}
pragma solidity >=0.8.19;
contract Onliness is IERC20, Ownable {
using Address for address;
mapping(address => uint256) private _balance;
mapping(address => mapping(address => uint256)) private _allowances;
mapping(address => bool) private _isExcludedFromFee;
mapping(address => bool) private _isExcludedFromMaxWallet;
mapping(address => uint256) private _preSaleAmount;
mapping(address => bool) private _preSaleAllowed;
uint256 private constant MAX = ~uint256(0);
uint256 private constant TOTALSUPPLY = 100000000 * 10**9;
string private constant NAME = "Onliness";
string private constant SYMBOL = "$ONL";
uint8 private constant DECIMALS = 9;
IUniswapV2Router02 public uniswapV2Router;
address public uniswapV2Pair;
bool private inSwapAndLiquify;
bool private sell = false;
struct Taxes {
uint32 liquidity;
uint32 marketing;
uint32 utility;
uint32 team;
}
struct Wallets {
address payable marketingWallet;
address payable utilityWallet;
address payable teamWallet;
}
struct Settings {
bool swapAndLiquifyEnabled;
bool presaleModeEnabled;
bool tradingEnabled;
}
struct Config {
uint256 numTokensSellToSwap;
uint256 maxWalletSize;
}
struct Ratios {
uint256 totalLiquidity;
uint256 totalMarketing;
uint256 totalTeam;
uint256 totalUtility;
}
Wallets public wallets =
Wallets({
marketingWallet: payable(
0x484f758f82aA2e37F203C109a7ea2A7Ea6AB3e9B
),
utilityWallet: payable(
0x76dAF8Da05ca586D57C04Cb12f71698bd00b4F5A
),
teamWallet: payable(0xB1A5aa8e5681DFa9853dbDaB8e60746870071445)
});
Taxes public buyTaxes =
Taxes({
liquidity: 100,
marketing: 200,
utility: 100,
team: 200
});
Taxes public sellTaxes =
Taxes({
liquidity: 100,
marketing: 200,
utility: 100,
team: 200
});
Settings public settings =
Settings({
swapAndLiquifyEnabled: true,
presaleModeEnabled: true,
tradingEnabled: false
});
Ratios private ratios =
Ratios({
totalLiquidity: 0,
totalMarketing: 0,
totalTeam: 0,
totalUtility: 0
});
Config public config =
Config({
maxWalletSize: 2000000 * 10**9, //2%
numTokensSellToSwap: 200000 * 10**9 //0.2%
});
modifier lockTheSwap() {
inSwapAndLiquify = true;
_;
inSwapAndLiquify = false;
}
constructor() payable {
_balance[owner()] = TOTALSUPPLY;
IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02(
0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D
);
// Create a uniswap pair for this new token
uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory())
.createPair(address(this), _uniswapV2Router.WETH());
// set the rest of the contract variables
uniswapV2Router = _uniswapV2Router;
// exclude owner and this contract from fee and maxWallet
_isExcludedFromFee[owner()] = true;
_isExcludedFromFee[address(this)] = true;
_isExcludedFromMaxWallet[owner()] = true;
_isExcludedFromMaxWallet[address(this)] = true;
_preSaleAllowed[owner()] = true;
_preSaleAmount[owner()] = TOTALSUPPLY;
emit Transfer(address(0), owner(), TOTALSUPPLY);
}
//to recieve ETH from uniswapV2Router when swaping
receive() external payable {}
function name() public pure returns (string memory) {
return NAME;
}
function symbol() public pure returns (string memory) {
return SYMBOL;
}
function decimals() public pure returns (uint8) {
return DECIMALS;
}
function totalSupply() public pure override returns (uint256) {
return TOTALSUPPLY;
}
function balanceOf(address account) public view override returns (uint256) {
return _balance[account];
}
function transfer(address recipient, uint256 amount)
public
override
returns (bool)
{
_transfer(_msgSender(), recipient, amount);
return true;
}
function allowance(address owner, address spender)
public
view
override
returns (uint256)
{
return _allowances[owner][spender];
}
function approve(address spender, uint256 amount)
public
override
returns (bool)
{
_approve(_msgSender(), spender, amount);
return true;
}
function transferFrom(
address sender,
address recipient,
uint256 amount
) public override returns (bool) {
_transfer(sender, recipient, amount);
_approve(
sender,
_msgSender(),
_allowances[sender][msg.sender] - amount
);
return true;
}
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);
}
//Presale FUnctions
function addPreSale(address [] memory addrArray, uint256 [] memory amt) external onlyOwner {
for (uint256 x=0; x<addrArray.length; x++)
{
_preSaleAmount[addrArray[x]]=amt[x];
_preSaleAllowed[addrArray[x]]=true;
}
}
function disablePresaleMode() external onlyOwner {
settings.presaleModeEnabled = false;
}
function enableTrading() external onlyOwner {
settings.tradingEnabled = true;
}
//Set Sell Taxes Functions. Capped at 10%
function setSellTaxes(
uint32 liquidity,
uint32 marketing,
uint32 utility,
uint32 team
) external onlyOwner {
sellTaxes.liquidity = liquidity;
sellTaxes.marketing = marketing;
sellTaxes.utility = utility;
sellTaxes.team = team;
uint32 totalSellTaxes =
sellTaxes.liquidity +
sellTaxes.marketing +
sellTaxes.utility +
sellTaxes.team;
require(
totalSellTaxes >= 0 &&
totalSellTaxes <= 1000,
"Sell taxes to high"
);
}
//Set BUy Taxes Functions. Capped at 10%
function setBuyTaxes(
uint32 liquidity,
uint32 marketing,
uint32 utility,
uint32 team
) external onlyOwner {
buyTaxes.liquidity = liquidity;
buyTaxes.marketing = marketing;
buyTaxes.utility = utility;
buyTaxes.team = team;
uint32 totalBuyTaxes =
buyTaxes.liquidity +
buyTaxes.marketing +
buyTaxes.utility +
buyTaxes.team;
require(
totalBuyTaxes >= 0 &&
totalBuyTaxes <= 1000,
"Buy taxes to high"
);
}
//Update wallet functions
function updateWallets(
address payable marketingWallet,
address payable utilityWallet,
address payable teamAWallet
) external onlyOwner {
wallets.utilityWallet = utilityWallet;
wallets.marketingWallet = marketingWallet;
wallets.teamWallet = teamAWallet;
}
//Include/Exclude from fees functions
function excludeFromFee(address account) external onlyOwner {
_isExcludedFromFee[account] = true;
}
function includeInFee(address account) external onlyOwner {
_isExcludedFromFee[account] = false;
}
function isExcludedFromFee(address account) public view returns (bool) {
return _isExcludedFromFee[account];
}
//Include/Exclude from maxwallets functions
function excludeInMaxWallet(address account) external onlyOwner {
_isExcludedFromMaxWallet[account] = true;
}
function includeInMaxWallet(address account) external onlyOwner {
_isExcludedFromMaxWallet[account] = false;
}
function isExcludedFromMaxWallet(address account) public view returns (bool) {
return _isExcludedFromMaxWallet[account];
}
//Set swap on/off & change value
function setSwapValue(bool _enabled, uint32 amount) external onlyOwner {
require(amount >= 0, "Swap value too low. It must be above 0.");
config.numTokensSellToSwap = amount;
settings.swapAndLiquifyEnabled = _enabled;
}
//Set maxwallet size.
//Limit is set on how low it can be set.
function setMaxWallet(uint256 amount) external onlyOwner {
require(amount >= 500000 * 10**9, "Max wallet size is too low");
config.maxWalletSize = amount;
}
//Calculate the taxes for each transaction
function calculateTaxes(uint256 amount)
private
view
returns (uint256,uint256, uint256,uint256)
{
if (sell == true) {
return (
(amount * (sellTaxes.liquidity)) / (10000),
(amount * (sellTaxes.marketing)) / (10000),
(amount * (sellTaxes.utility)) / (10000),
(amount * (sellTaxes.team)) / (10000)
);
} else {
return (
(amount * (buyTaxes.liquidity)) / (10000),
(amount * (buyTaxes.marketing)) / (10000),
(amount * (buyTaxes.utility)) / (10000),
(amount * (buyTaxes.team)) / (10000)
);
}
}
//main transfer function
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));
sell = false;
if (to == uniswapV2Pair) {
sell = true;
}
//swap if conditions are met
bool overMinTokenBalance = contractTokenBalance >= config.numTokensSellToSwap;
if (
from != uniswapV2Pair &&
overMinTokenBalance &&
!inSwapAndLiquify &&
settings.swapAndLiquifyEnabled
) {
swapAndLiquify(contractTokenBalance);
}
//check if enabled for tax free
bool takeFee = true;
bool w2w = isWalletToWallet(from, to);
if (_isExcludedFromFee[from] || _isExcludedFromFee[to] || w2w) {
takeFee = false;
}
_transferStandard(from, to, amount, takeFee);
}
function _transferStandard(
address sender,
address recipient,
uint256 tAmount,
bool takeFee
) private {
//presale mode is enabled and the owner is sending tokens to the uniswap pair
if (settings.presaleModeEnabled ==true && (sender==owner() || recipient==owner()))
{
_balance[recipient] = _balance[recipient]+(tAmount);
_balance[sender] = _balance[sender]-(tAmount);
emit Transfer(sender, recipient, tAmount);
}
//presale mode is enable and the sender is uniswap pair
else if (settings.presaleModeEnabled ==true && sender==uniswapV2Pair )
{
require(settings.tradingEnabled==true);
require(_preSaleAllowed[recipient]==true);
require (_preSaleAmount[recipient] !=0);
require(balanceOf(recipient)+tAmount<=_preSaleAmount[recipient]);
require(tAmount <= _preSaleAmount[recipient]);
(uint256 tLiquidity, uint256 tMarketing, uint256 tUtility, uint256 tTeam) = calculateTaxes(tAmount);
uint256 tTransferAmount = tAmount-(tLiquidity)-(tTeam)-(tMarketing)-(tUtility);
_balance[sender] = _balance[sender] - (tAmount);
_balance[recipient] = _balance[recipient] + (tTransferAmount);
transferTaxes(sender, tLiquidity, tMarketing, tUtility, tTeam);
ratios.totalLiquidity += tLiquidity;
ratios.totalMarketing += tMarketing;
ratios.totalUtility += tUtility;
ratios.totalTeam += tTeam;
_preSaleAllowed[recipient]=false;
emit Transfer(sender, recipient, tAmount);
}
//normal mode
else if(settings.presaleModeEnabled !=true)
{
if (takeFee == true)
{
if (recipient != uniswapV2Pair && (_isExcludedFromMaxWallet[sender]!=true ||_isExcludedFromMaxWallet[recipient]!=true)) {
require(
(balanceOf(recipient) + (tAmount)) <= config.maxWalletSize,
"Transfer exceeds max wallet size"
);
}
(uint256 tLiquidity, uint256 tMarketing, uint256 tUtility, uint256 tTeam) = calculateTaxes(tAmount);
uint256 tTransferAmount = tAmount-(tLiquidity)-(tTeam)-(tMarketing)-(tUtility);
_balance[sender] = _balance[sender] - (tAmount);
_balance[recipient] = _balance[recipient] + (tTransferAmount);
transferTaxes(sender, tLiquidity, tMarketing, tUtility, tTeam);
ratios.totalLiquidity += tLiquidity;
ratios.totalMarketing += tMarketing;
ratios.totalUtility += tUtility;
ratios.totalTeam += tTeam;
emit Transfer(sender, recipient, tTransferAmount);
} else {
_balance[sender] = _balance[sender] - (tAmount);
_balance[recipient] = _balance[recipient] + (tAmount);
emit Transfer(sender, recipient, tAmount);
}
}
}
//swap code
function swapAndLiquify(uint256 contractTokenBalance) private lockTheSwap {
//calculate the taxes ratios
uint256 marketingPercent = (ratios.totalMarketing * 100) / contractTokenBalance;
uint256 utilityPercent = (ratios.totalUtility * 100) / contractTokenBalance;
uint256 teamPercent = (ratios.totalTeam * 100) / contractTokenBalance;
//Swap liquidty if liquidity tax is enabled.
if (buyTaxes.liquidity != 0 || sellTaxes.liquidity != 0) {
uint256 liquidtyPercent = (ratios.totalLiquidity*100)/contractTokenBalance;
uint256 liquidityTokenPortion = contractTokenBalance/(100)*(liquidtyPercent);
liquidityTokenPortion = liquidityTokenPortion/(2);
uint256 otherPortion = contractTokenBalance-liquidityTokenPortion;
uint256 initialBalance = address(this).balance;
// swap tokens for ETH
swapTokensForEth(otherPortion);
uint256 liquidtyDivisor = liquidtyPercent/(2);
uint256 divisor = marketingPercent + utilityPercent + teamPercent + liquidtyDivisor;
// how much ETH did we just swap into?
uint256 newBalance = address(this).balance-(initialBalance);
uint256 liquidityETHPortion = (newBalance*100)/(divisor);
liquidityETHPortion = (liquidityETHPortion/(100))*(liquidtyDivisor);
uint256 newBalanceAfterLiquidty = address(this).balance-(liquidityETHPortion);
uint256 total = 100-liquidtyPercent;
transferToWallets(newBalanceAfterLiquidty, total, marketingPercent, utilityPercent, teamPercent);
// add liquidity to uniswap
addLiquidity(liquidityTokenPortion, liquidityETHPortion);
}
//if no liquidty tax, then just swap the other taxes
else
{
swapTokensForEth(contractTokenBalance);
uint256 balance = address(this).balance;
transferToWallets(balance, 100, marketingPercent, utilityPercent, teamPercent);
}
resetRatioCounters();
}
//transfer swapped eth to wallets
function transferToWallets(
uint256 balance,
uint256 total,
uint256 marketingPercent,
uint256 utilityPercent,
uint256 teamPercent
) private {
if (buyTaxes.marketing != 0 || sellTaxes.marketing != 0) {
uint256 marketing = (balance / (total)) * (marketingPercent);
if (marketing > 0) {
payable(wallets.marketingWallet).transfer(marketing);
}
}
if (buyTaxes.utility != 0 || sellTaxes.utility != 0) {
uint256 utility = (balance / (total)) * (utilityPercent);
if (utility > 0) {
payable(wallets.utilityWallet).transfer(utility);
}
}
if (buyTaxes.team != 0 || sellTaxes.team != 0) {
uint256 team = (balance / (total)) * (teamPercent);
if (team > 0) {
payable(wallets.teamWallet).transfer(team);
}
}
}
//swap tokens to eth
function swapTokensForEth(uint256 tokenAmount) private {
// generate the uniswap pair path of token -> weth
address[] memory path = new address[](2);
path[0] = address(this);
path[1] = uniswapV2Router.WETH();
_approve(address(this), address(uniswapV2Router), tokenAmount);
// make the swap
uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(
tokenAmount,
0, // accept any amount of ETH
path,
address(this),
block.timestamp
);
}
//auto-add liquidity
function addLiquidity(uint256 tokenAmount, uint256 ethAmount) private {
// approve token transfer to cover all possible scenarios
_approve(address(this), address(uniswapV2Router), tokenAmount);
// + the liquidity
uniswapV2Router.addLiquidityETH{value: ethAmount}(
address(this),
tokenAmount,
0, // slippage is unavoidable
0, // slippage is unavoidable
owner(),
block.timestamp
);
}
//transfer taxes
function transferTaxes(
address sender,
uint256 tLiquidity,
uint256 tMarketing,
uint256 tUtility,
uint256 tTeam
) internal {
uint256 totalTaxes = tLiquidity + tMarketing + tUtility + tTeam;
_balance[address(this)] = _balance[address(this)] + (tLiquidity);
_balance[address(this)] = _balance[address(this)] + (tUtility);
_balance[address(this)] = _balance[address(this)] + (tMarketing);
_balance[address(this)] = _balance[address(this)] + (tTeam);
emit Transfer(sender, address(this), totalTaxes);
}
//Disable limits
function disableLimt() external onlyOwner {
config.maxWalletSize = MAX;
settings.swapAndLiquifyEnabled = false;
}
//Manually pull eth from contract
function manualETH(uint256 amountPercentage) external onlyOwner {
uint256 amountETH = address(this).balance;
payable(owner()).transfer((amountETH * amountPercentage) / 100);
}
//Manually pull tokens from contract
function manualToken() external onlyOwner {
uint256 amountToken = balanceOf(address(this));
swapAndLiquify(amountToken);
resetRatioCounters();
emit Transfer(address(this), owner(), (amountToken));
}
//reset the ratio counters once a swap occurs
function resetRatioCounters() internal {
ratios.totalUtility = 0;
ratios.totalMarketing = 0;
ratios.totalLiquidity = 0;
ratios.totalTeam = 0;
}
function isWalletToWallet(address sender, address recipient)
internal
view
returns (bool)
{
if (sender == uniswapV2Pair || recipient == uniswapV2Pair) {
return false;
}
return true;
}
}
{
"compilationTarget": {
"Onliness.sol": "Onliness"
},
"evmVersion": "paris",
"libraries": {},
"metadata": {
"bytecodeHash": "ipfs"
},
"optimizer": {
"enabled": false,
"runs": 200
},
"remappings": []
}
[{"inputs":[],"stateMutability":"payable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"spender","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"Transfer","type":"event"},{"inputs":[{"internalType":"address[]","name":"addrArray","type":"address[]"},{"internalType":"uint256[]","name":"amt","type":"uint256[]"}],"name":"addPreSale","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"spender","type":"address"}],"name":"allowance","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"approve","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"buyTaxes","outputs":[{"internalType":"uint32","name":"liquidity","type":"uint32"},{"internalType":"uint32","name":"marketing","type":"uint32"},{"internalType":"uint32","name":"utility","type":"uint32"},{"internalType":"uint32","name":"team","type":"uint32"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"config","outputs":[{"internalType":"uint256","name":"numTokensSellToSwap","type":"uint256"},{"internalType":"uint256","name":"maxWalletSize","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"decimals","outputs":[{"internalType":"uint8","name":"","type":"uint8"}],"stateMutability":"pure","type":"function"},{"inputs":[],"name":"disableLimt","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"disablePresaleMode","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"enableTrading","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"excludeFromFee","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"excludeInMaxWallet","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"includeInFee","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"includeInMaxWallet","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"isExcludedFromFee","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"isExcludedFromMaxWallet","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"amountPercentage","type":"uint256"}],"name":"manualETH","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"manualToken","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"pure","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"sellTaxes","outputs":[{"internalType":"uint32","name":"liquidity","type":"uint32"},{"internalType":"uint32","name":"marketing","type":"uint32"},{"internalType":"uint32","name":"utility","type":"uint32"},{"internalType":"uint32","name":"team","type":"uint32"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint32","name":"liquidity","type":"uint32"},{"internalType":"uint32","name":"marketing","type":"uint32"},{"internalType":"uint32","name":"utility","type":"uint32"},{"internalType":"uint32","name":"team","type":"uint32"}],"name":"setBuyTaxes","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"setMaxWallet","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint32","name":"liquidity","type":"uint32"},{"internalType":"uint32","name":"marketing","type":"uint32"},{"internalType":"uint32","name":"utility","type":"uint32"},{"internalType":"uint32","name":"team","type":"uint32"}],"name":"setSellTaxes","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bool","name":"_enabled","type":"bool"},{"internalType":"uint32","name":"amount","type":"uint32"}],"name":"setSwapValue","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"settings","outputs":[{"internalType":"bool","name":"swapAndLiquifyEnabled","type":"bool"},{"internalType":"bool","name":"presaleModeEnabled","type":"bool"},{"internalType":"bool","name":"tradingEnabled","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"pure","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"pure","type":"function"},{"inputs":[{"internalType":"address","name":"recipient","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transfer","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"sender","type":"address"},{"internalType":"address","name":"recipient","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transferFrom","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"uniswapV2Pair","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"uniswapV2Router","outputs":[{"internalType":"contract IUniswapV2Router02","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address payable","name":"marketingWallet","type":"address"},{"internalType":"address payable","name":"utilityWallet","type":"address"},{"internalType":"address payable","name":"teamAWallet","type":"address"}],"name":"updateWallets","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"wallets","outputs":[{"internalType":"address payable","name":"marketingWallet","type":"address"},{"internalType":"address payable","name":"utilityWallet","type":"address"},{"internalType":"address payable","name":"teamWallet","type":"address"}],"stateMutability":"view","type":"function"},{"stateMutability":"payable","type":"receive"}]