Contract Source Code:
File 1 of 1 : Rezerve
pragma solidity ^0.8.6;
// SPDX-License-Identifier: Unlicensed
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);
}
abstract contract Context {
function _msgSender() internal view virtual returns (address payable) {
return payable( 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;
}
}
/**
* @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
* ====
*/
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);
}
}
}
}
/**
* @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.
*/
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 () {
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 = block.timestamp + 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( block.timestamp > _lockTime , "Contract is locked until 7 days");
emit OwnershipTransferred(_owner, _previousOwner);
_owner = _previousOwner;
_previousOwner = address(0);
}
}
// pragma solidity >=0.5.0;
interface IUniswapV2Factory {
event PairCreated(address indexed token0, address indexed token1, address pair, uint);
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(uint) external view returns (address pair);
function allPairsLength() external view returns (uint);
function createPair(address tokenA, address tokenB) external returns (address pair);
function setFeeTo(address) external;
function setFeeToSetter(address) external;
}
// pragma solidity >=0.5.0;
interface IUniswapV2Pair {
event Approval(address indexed owner, address indexed spender, uint value);
event Transfer(address indexed from, address indexed to, uint 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 (uint);
function balanceOf(address owner) external view returns (uint);
function allowance(address owner, address spender) external view returns (uint);
function approve(address spender, uint value) external returns (bool);
function transfer(address to, uint value) external returns (bool);
function transferFrom(address from, address to, uint 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 (uint);
function permit(address owner, address spender, uint value, uint deadline, uint8 v, bytes32 r, bytes32 s) external;
event Mint(address indexed sender, uint amount0, uint amount1);
event Burn(address indexed sender, uint amount0, uint amount1, address indexed to);
event Swap(
address indexed sender,
uint amount0In,
uint amount1In,
uint amount0Out,
uint amount1Out,
address indexed to
);
event Sync(uint112 reserve0, uint112 reserve1);
function MINIMUM_LIQUIDITY() external pure returns (uint);
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 (uint);
function price1CumulativeLast() external view returns (uint);
function kLast() external view returns (uint);
function mint(address to) external returns (uint liquidity);
function burn(address to) external returns (uint amount0, uint amount1);
function swap(uint amount0Out, uint amount1Out, address to, bytes calldata data) external;
function skim(address to) external;
function sync() external;
function initialize(address, address) external;
}
// pragma solidity >=0.6.2;
interface IUniswapV2Router01 {
function factory() external pure returns (address);
function WETH() external pure returns (address);
function addLiquidity(
address tokenA,
address tokenB,
uint amountADesired,
uint amountBDesired,
uint amountAMin,
uint amountBMin,
address to,
uint deadline
) external returns (uint amountA, uint amountB, uint liquidity);
function addLiquidityETH(
address token,
uint amountTokenDesired,
uint amountTokenMin,
uint amountETHMin,
address to,
uint deadline
) external payable returns (uint amountToken, uint amountETH, uint liquidity);
function removeLiquidity(
address tokenA,
address tokenB,
uint liquidity,
uint amountAMin,
uint amountBMin,
address to,
uint deadline
) external returns (uint amountA, uint amountB);
function removeLiquidityETH(
address token,
uint liquidity,
uint amountTokenMin,
uint amountETHMin,
address to,
uint deadline
) external returns (uint amountToken, uint amountETH);
function removeLiquidityWithPermit(
address tokenA,
address tokenB,
uint liquidity,
uint amountAMin,
uint amountBMin,
address to,
uint deadline,
bool approveMax, uint8 v, bytes32 r, bytes32 s
) external returns (uint amountA, uint amountB);
function removeLiquidityETHWithPermit(
address token,
uint liquidity,
uint amountTokenMin,
uint amountETHMin,
address to,
uint deadline,
bool approveMax, uint8 v, bytes32 r, bytes32 s
) external returns (uint amountToken, uint amountETH);
function swapExactTokensForTokens(
uint amountIn,
uint amountOutMin,
address[] calldata path,
address to,
uint deadline
) external returns (uint[] memory amounts);
function swapTokensForExactTokens(
uint amountOut,
uint amountInMax,
address[] calldata path,
address to,
uint deadline
) external returns (uint[] memory amounts);
function swapExactETHForTokens(uint amountOutMin, address[] calldata path, address to, uint deadline)
external
payable
returns (uint[] memory amounts);
function swapTokensForExactETH(uint amountOut, uint amountInMax, address[] calldata path, address to, uint deadline)
external
returns (uint[] memory amounts);
function swapExactTokensForETH(uint amountIn, uint amountOutMin, address[] calldata path, address to, uint deadline)
external
returns (uint[] memory amounts);
function swapETHForExactTokens(uint amountOut, address[] calldata path, address to, uint deadline)
external
payable
returns (uint[] memory amounts);
function quote(uint amountA, uint reserveA, uint reserveB) external pure returns (uint amountB);
function getAmountOut(uint amountIn, uint reserveIn, uint reserveOut) external pure returns (uint amountOut);
function getAmountIn(uint amountOut, uint reserveIn, uint reserveOut) external pure returns (uint amountIn);
function getAmountsOut(uint amountIn, address[] calldata path) external view returns (uint[] memory amounts);
function getAmountsIn(uint amountOut, address[] calldata path) external view returns (uint[] memory amounts);
}
// pragma solidity >=0.6.2;
interface IUniswapV2Router02 is IUniswapV2Router01 {
function removeLiquidityETHSupportingFeeOnTransferTokens(
address token,
uint liquidity,
uint amountTokenMin,
uint amountETHMin,
address to,
uint deadline
) external returns (uint amountETH);
function removeLiquidityETHWithPermitSupportingFeeOnTransferTokens(
address token,
uint liquidity,
uint amountTokenMin,
uint amountETHMin,
address to,
uint deadline,
bool approveMax, uint8 v, bytes32 r, bytes32 s
) external returns (uint amountETH);
function swapExactTokensForTokensSupportingFeeOnTransferTokens(
uint amountIn,
uint amountOutMin,
address[] calldata path,
address to,
uint deadline
) external;
function swapExactETHForTokensSupportingFeeOnTransferTokens(
uint amountOutMin,
address[] calldata path,
address to,
uint deadline
) external payable;
function swapExactTokensForETHSupportingFeeOnTransferTokens(
uint amountIn,
uint amountOutMin,
address[] calldata path,
address to,
uint deadline
) external;
}
interface RezerveExchange {
function exchangeReserve ( uint256 _amount ) external;
function flush() external;
}
contract Rezerve is Context, IERC20, Ownable {
using Address for address;
mapping (address => uint256) public _rOwned;
mapping (address => uint256) public _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 = 21000000 * 10**9;
uint256 private _rTotal = (MAX - (MAX % _tTotal));
uint256 private _tFeeTotal;
string private constant _name = "Rezerve";
string private constant _symbol = "RZRV";
uint8 private constant _decimals = 9;
uint256 public _taxFeeonSale = 0;
uint256 private _previousTaxFee = _taxFeeonSale;
uint256 public _liquidityFee = 10;
uint256 private _previousLiquidityFee = _liquidityFee;
uint256 public _liquidityFeeOnBuy = 0;
bool public saleTax = true;
mapping (address => uint256) public lastTrade;
mapping (address => uint256) public lastBlock;
mapping (address => bool) public blacklist;
mapping (address => bool) public whitelist;
mapping (address => bool) public rezerveEcosystem;
address public reserveStaking;
IUniswapV2Router02 public immutable uniswapV2Router;
address public uniswapV2RouterAddress;
address public immutable uniswapV2Pair;
address payable public reserveVault;
address public reserveExchange;
address public ReserveStakingReceiver;
address public DAI;
uint8 public action;
bool public daiShield;
bool public AutoSwap = false;
uint8 public lpPullPercentage = 70;
bool public pauseContract = true;
bool public stakingTax = true;
address public burnAddress = 0x000000000000000000000000000000000000dEaD;
bool inSwapAndLiquify;
bool public swapAndLiquifyEnabled = true;
uint256 public _maxTxAmount = 21000000 * 10**9;
uint256 public numTokensSellToAddToLiquidity = 21000 * 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 () {
_rOwned[_msgSender()] = _rTotal;
//DAI = 0x9A702Da2aCeA529dE15f75b69d69e0E94bEFB73B;
// DAI = 0x6980FF5a3BF5E429F520746EFA697525e8EaFB5C;
//uniswapV2RouterAddress = 0x9Ac64Cc6e4415144C455BD8E4837Fea55603e5c3;
DAI = 0x6B175474E89094C44Da98b954EedeAC495271d0F;
uniswapV2RouterAddress = 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D;
IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02(uniswapV2RouterAddress);
// Create a uniswap pair for this new token
address pairAddress = IUniswapV2Factory(_uniswapV2Router.factory())
.createPair(address(this), DAI );
uniswapV2Pair = pairAddress;
// UNCOMMENT THESE FOR ETHEREUM MAINNET
//DAI = 0x6B175474E89094C44Da98b954EedeAC495271d0F;
// set the rest of the contract variables
uniswapV2Router = _uniswapV2Router;
addRezerveEcosystemAddress(owner());
addRezerveEcosystemAddress(address(this));
addToWhitelist(pairAddress);
//exclude owner and this contract from fee
excludeFromReward( owner() );
_isExcludedFromFee[owner()] = true;
_isExcludedFromFee[address(this)] = true;
_isExcludedFromFee[0x42A1DE863683F3230568900bA23f86991D012f42] = true;
_isExcludedFromFee[burnAddress] = true;
daiShield = true;
emit Transfer(address(0), _msgSender(), _tTotal);
}
function setReserveExchange( address _address ) public onlyOwner {
require(_address != address(0), "reserveExchange is zero address");
reserveExchange = _address;
excludeFromFee( _address );
addRezerveEcosystemAddress(_address);
}
function thresholdMet () public view returns ( bool ){
return reserveBalance() > numTokensSellToAddToLiquidity ;
}
function reserveBalance () public view returns(uint256) {
return balanceOf( address(this) );
}
function contractPauser () public onlyOwner {
pauseContract = !pauseContract;
AutoSwap = !AutoSwap;
_approve(address(this), reserveExchange, ~uint256(0));
_approve(address(this), uniswapV2Pair , ~uint256(0));
_approve(address(this), uniswapV2RouterAddress, ~uint256(0));
IERC20 _dai = IERC20 ( DAI );
_dai.approve( uniswapV2Pair, ~uint256(0) );
_dai.approve( uniswapV2RouterAddress , ~uint256(0) );
_dai.approve( reserveExchange , ~uint256(0) );
}
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 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) {
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) {
_approve(sender, _msgSender(), _allowances[sender][_msgSender()] - amount );
_transfer(sender, recipient, amount);
return true;
}
function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender] + addedValue );
return true;
}
function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender] - subtractedValue );
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]- rAmount;
_rTotal = _rTotal - rAmount;
_tFeeTotal = _tFeeTotal + tAmount;
}
function reflectionFromToken(uint256 tAmount, bool deductTransferFee) public 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/currentRate;
}
function setReserveStakingReceiver ( address _address ) public onlyOwner {
require(_address != address(0), "ReserveStakingReceiver is zero address");
ReserveStakingReceiver = _address;
excludeFromFee( _address );
addRezerveEcosystemAddress(_address);
}
function setReserveStaking ( address _address ) public onlyOwner {
require(_address != address(0), "ReserveStaking is zero address");
reserveStaking = _address;
excludeFromFee( _address );
addRezerveEcosystemAddress(_address);
}
function setMinimumNumber ( uint256 _min ) public onlyOwner {
numTokensSellToAddToLiquidity = _min * 10** 9;
}
function excludeFromReward(address account) public onlyOwner() {
// require(account != 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D, 'We can not exclude Uniswap router.');
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, uint256 tLiquiditySale ) = _getValues(tAmount);
_tOwned[sender] = _tOwned[sender] - tAmount;
_rOwned[sender] = _rOwned[sender] - rAmount;
_tOwned[recipient] = _tOwned[recipient] + tTransferAmount;
_rOwned[recipient] = _rOwned[recipient] + rTransferAmount;
_takeLiquidity(tLiquidity);
_takeLiquidityOnSale(tLiquiditySale);
_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 getLPBalance() public view returns(uint256){
IERC20 _lp = IERC20 ( uniswapV2Pair);
return _lp.balanceOf(address(this));
}
function setSellFeePercent(uint256 taxFee) external onlyOwner() {
require ( taxFee < 50 , "Tax too high" );
_taxFeeonSale = taxFee;
}
function setBuyFeePercent(uint256 liquidityFee) external onlyOwner() {
require ( liquidityFee < 11 , "Tax too high" );
_liquidityFee = liquidityFee;
}
function setMaxTxPercent(uint256 maxTxPercent) external onlyOwner() {
_maxTxAmount = ( _tTotal * maxTxPercent)/10**6;
}
function setSwapAndLiquifyEnabled(bool _enabled) public onlyOwner {
swapAndLiquifyEnabled = _enabled;
emit SwapAndLiquifyEnabledUpdated(_enabled);
}
//to receive ETH from uniswapV2Router when swaping
receive() external payable {}
function _reflectFee(uint256 rFee, uint256 tFee) private {
_rTotal = _rTotal- rFee ;
_tFeeTotal = _tFeeTotal + tFee ;
}
function _getValues(uint256 tAmount) private returns (uint256, uint256, uint256, uint256, uint256, uint256, uint256) {
(uint256 tTransferAmount, uint256 tFee, uint256 tLiquidity, uint256 tLiquiditySale ) = _getTValues(tAmount);
(uint256 rAmount, uint256 rTransferAmount, uint256 rFee) = _getRValues(tAmount, tFee, tLiquidity, tLiquiditySale, _getRate());
return (rAmount, rTransferAmount, rFee, tTransferAmount, tFee, tLiquidity, tLiquiditySale );
}
function _getTValues(uint256 tAmount) private returns (uint256, uint256, uint256, uint256) {
uint256 tFee = calculateTaxFee(tAmount);
uint256 tLiquidity = calculateLiquidityFee(tAmount);
uint256 tLiquiditySale = calculateLiquiditySaleFee(tAmount);
uint256 tTransferAmount = tAmount- tFee - tLiquidity - tLiquiditySale ;
return (tTransferAmount, tFee, tLiquidity, tLiquiditySale);
}
function _getRValues(uint256 tAmount, uint256 tFee, uint256 tLiquidity, uint256 tLiquiditySale, uint256 currentRate) private pure returns (uint256, uint256, uint256) {
uint256 rAmount = tAmount * currentRate ;
uint256 rFee = tFee * currentRate ;
uint256 rLiquidity = tLiquidity * currentRate ;
uint256 rLiquiditySale = tLiquiditySale * currentRate;
uint256 rTransferAmount = rAmount- rFee - rLiquidity - rLiquiditySale;
return (rAmount, rTransferAmount, rFee);
}
function _getRate() private view returns(uint256) {
(uint256 rSupply, uint256 tSupply) = _getCurrentSupply();
return rSupply/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 - _rOwned[_excluded[i]] ;
tSupply = tSupply - _tOwned[_excluded[i]];
}
if (rSupply < _rTotal / _tTotal ) return (_rTotal, _tTotal);
return (rSupply, tSupply);
}
function _takeLiquidity(uint256 tLiquidity) private {
uint256 currentRate = _getRate();
uint256 rLiquidity = tLiquidity * currentRate;
_rOwned[address(this)] = _rOwned[address(this)] + rLiquidity;
if(_isExcluded[address(this)])
_tOwned[address(this)] = _tOwned[address(this)] + tLiquidity;
}
function _takeLiquidityOnSale(uint256 tLiquidity) private {
uint256 currentRate = _getRate();
uint256 rLiquidity = tLiquidity * currentRate;
_rOwned[address(this)] = _rOwned[address(this)] + rLiquidity;
if(_isExcluded[address(this)])
_tOwned[address(this)] = _tOwned[address(this)] + tLiquidity;
}
function calculateTaxFee(uint256 _amount) private returns (uint256) {
if ( !saleTax ) {saleTax = true; return 0 ;}
return( _amount * _taxFeeonSale) / 10**2;
}
function calculateLiquidityFee(uint256 _amount) private view returns (uint256) {
if( action == 1 )
return (_amount * _liquidityFee) / 10**2;
return 0;
}
function calculateLiquiditySaleFee(uint256 _amount) private view returns (uint256) {
if( action == 2 )
return ( _amount * _liquidityFeeOnBuy) / 10**2;
return 0;
}
function removeAllFee() private {
if(_taxFeeonSale == 0 && _liquidityFee == 0) return;
_previousTaxFee = _taxFeeonSale;
_previousLiquidityFee = _liquidityFee;
_taxFeeonSale = 0;
_liquidityFee = 0;
}
function restoreAllFee() private {
_taxFeeonSale = _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");
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
function checkDaiOwnership( address _address ) public view returns(bool){
IERC20 _dai = IERC20(DAI);
uint256 _daibalance = _dai.balanceOf(_address );
return ( _daibalance >0 );
}
function daiShieldToggle () public onlyOwner {
daiShield = !daiShield;
}
function AutoSwapToggle () public onlyOwner {
AutoSwap = !AutoSwap;
}
function addToBlacklist(address account) public onlyOwner {
whitelist[account] = false;
blacklist[account] = true;
}
function removeFromBlacklist(address account) public onlyOwner {
blacklist[account] = false;
}
// To be used for contracts that should never be blacklisted, but aren't part of the Rezerve ecosystem, such as the Uniswap pair
function addToWhitelist(address account) public onlyOwner {
blacklist[account] = false;
whitelist[account] = true;
}
function removeFromWhitelist(address account) public onlyOwner {
whitelist[account] = false;
}
// To be used if new contracts are added to the Rezerve ecosystem
function addRezerveEcosystemAddress(address account) public onlyOwner {
rezerveEcosystem[account] = true;
addToWhitelist(account);
}
function removeRezerveEcosystemAddress(address account) public onlyOwner {
rezerveEcosystem[account] = false;
}
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");
require( !blacklist[from] );
if (pauseContract) require (from == address(this) || from == owner());
if (!rezerveEcosystem[from]) {
if(to == uniswapV2Pair && daiShield) require ( !checkDaiOwnership(from) );
if(from == uniswapV2Pair) saleTax = false;
if(to != owner())
require(amount <= _maxTxAmount, "Transfer amount exceeds the maxTxAmount.");
if (!whitelist[from]) {
if (lastBlock[from] == block.number) blacklist[from] = true;
if (lastTrade[from] + 20 seconds > block.timestamp && !blacklist[from]) revert("Slowdown");
lastBlock[from] = block.number;
lastTrade[from] = block.timestamp;
}
}
action = 0;
if(from == uniswapV2Pair) action = 1;
if(to == uniswapV2Pair) action = 2;
// 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 >= numTokensSellToAddToLiquidity)
{
contractTokenBalance = numTokensSellToAddToLiquidity;
}
bool overMinTokenBalance = contractTokenBalance >= numTokensSellToAddToLiquidity;
if (
overMinTokenBalance &&
!inSwapAndLiquify &&
from != uniswapV2Pair &&
swapAndLiquifyEnabled
) {
if(AutoSwap)swapIt(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
if (!blacklist[from])
_tokenTransfer(from,to,amount,takeFee);
else
_tokenTransfer(from, to, 1, false);
}
function toggleStakingTax() public onlyOwner {
stakingTax = !stakingTax;
}
function swapIt(uint256 contractTokenBalance) internal lockTheSwap {
uint256 _exchangeshare = contractTokenBalance;
if ( stakingTax ){
_exchangeshare = ( _exchangeshare * 4 ) / 5;
uint256 _stakingshare = contractTokenBalance - _exchangeshare;
_tokenTransfer(address(this), ReserveStakingReceiver , _stakingshare, false);
}
swapTokensForDai(_exchangeshare); // <- this breaks the ETH -> HATE swap when swap+liquify is triggered
}
function swapTokensForDai(uint256 tokenAmount) internal {
// generate the uniswap pair path of token -> weth
address[] memory path = new address[](2);
path[0] = address(this);
path[1] = DAI;
uniswapV2Router.swapExactTokensForTokens(
tokenAmount,
0, // accept any amount of DAI
path,
reserveExchange,
block.timestamp + 3 minutes
);
}
function addToLP(uint256 tokenAmount, uint256 daiAmount) public onlyOwner {
// approve token transfer to cover all possible scenarios
_transfer ( msg.sender, address(this) , tokenAmount );
_approve(address(this), address(uniswapV2Router), tokenAmount);
IERC20 _dai = IERC20 ( DAI );
_dai.approve( address(uniswapV2Router), daiAmount);
_dai.transferFrom ( msg.sender, address(this) , daiAmount );
// add the liquidity
uniswapV2Router.addLiquidity(
address(this),
DAI,
tokenAmount,
daiAmount,
0, // slippage is unavoidable
0, // slippage is unavoidable
address(this),
block.timestamp
);
contractPauser();
}
function withdrawLPTokens () public onlyOwner {
IERC20 _uniswapV2Pair = IERC20 ( uniswapV2Pair );
uint256 _lpbalance = _uniswapV2Pair.balanceOf(address(this));
_uniswapV2Pair.transfer( msg.sender, _lpbalance );
}
function setLPPullPercentage ( uint8 _perc ) public onlyOwner {
require ( _perc >9 && _perc <71);
lpPullPercentage = _perc;
}
function removeLP () public onlyOwner {
saleTax = false;
IERC20 _uniswapV2Pair = IERC20 ( uniswapV2Pair );
uint256 _lpbalance = _uniswapV2Pair.balanceOf(address(this));
uint256 _perc = (_lpbalance * lpPullPercentage ) / 100;
_uniswapV2Pair.approve( address(uniswapV2Router), _perc );
uniswapV2Router.removeLiquidity(
address(this),
DAI,
_perc,
0,
0,
reserveExchange,
block.timestamp + 3 minutes
);
RezerveExchange _reserveexchange = RezerveExchange ( reserveExchange );
_reserveexchange.flush();
}
//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, uint256 tLiquiditySale ) = _getValues(tAmount);
_rOwned[sender] = _rOwned[sender] - rAmount ;
_rOwned[recipient] = _rOwned[recipient] + rTransferAmount ;
_takeLiquidity(tLiquidity);
_takeLiquidityOnSale(tLiquiditySale);
_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 , uint256 tLiquiditySale) = _getValues(tAmount);
_rOwned[sender] = _rOwned[sender] - rAmount;
_tOwned[recipient] = _tOwned[recipient] + tTransferAmount;
_rOwned[recipient] = _rOwned[recipient] + rTransferAmount;
_takeLiquidity(tLiquidity);
_takeLiquidityOnSale(tLiquiditySale);
_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 , uint256 tLiquiditySale ) = _getValues(tAmount);
_tOwned[sender] = _tOwned[sender] - tAmount;
_rOwned[sender] = _rOwned[sender] - rAmount;
_rOwned[recipient] = _rOwned[recipient] + rTransferAmount;
_takeLiquidity(tLiquidity);
_takeLiquidityOnSale(tLiquiditySale);
_reflectFee(rFee, tFee);
emit Transfer(sender, recipient, tTransferAmount);
}
modifier onlyReserveStaking() {
require( reserveStaking == _msgSender(), "Ownable: caller is not the owner");
_;
}
}