Contract Source Code:
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (access/Ownable.sol)
pragma solidity ^0.8.0;
import "../utils/Context.sol";
/**
* @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. Can only be called by the current owner.
*
* NOTE: Renouncing ownership will leave the contract without an owner,
* thereby disabling 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);
}
}
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (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);
}
// SPDX-License-Identifier: MIT
// 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;
}
}
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (utils/math/SafeMath.sol)
pragma solidity ^0.8.0;
// CAUTION
// This version of SafeMath should only be used with Solidity 0.8 or later,
// because it relies on the compiler's built in overflow checks.
/**
* @dev Wrappers over Solidity's arithmetic operations.
*
* NOTE: `SafeMath` is generally not needed starting with Solidity 0.8, since the compiler
* now has built in overflow checking.
*/
library SafeMath {
/**
* @dev Returns the addition of two unsigned integers, with an overflow flag.
*
* _Available since v3.4._
*/
function tryAdd(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {
uint256 c = a + b;
if (c < a) return (false, 0);
return (true, c);
}
}
/**
* @dev Returns the subtraction of two unsigned integers, with an overflow flag.
*
* _Available since v3.4._
*/
function trySub(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {
if (b > a) return (false, 0);
return (true, a - b);
}
}
/**
* @dev Returns the multiplication of two unsigned integers, with an overflow flag.
*
* _Available since v3.4._
*/
function tryMul(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {
// 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 (true, 0);
uint256 c = a * b;
if (c / a != b) return (false, 0);
return (true, c);
}
}
/**
* @dev Returns the division of two unsigned integers, with a division by zero flag.
*
* _Available since v3.4._
*/
function tryDiv(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {
if (b == 0) return (false, 0);
return (true, a / b);
}
}
/**
* @dev Returns the remainder of dividing two unsigned integers, with a division by zero flag.
*
* _Available since v3.4._
*/
function tryMod(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {
if (b == 0) return (false, 0);
return (true, a % b);
}
}
/**
* @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) {
return a + b;
}
/**
* @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 a - b;
}
/**
* @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) {
return a * b;
}
/**
* @dev Returns the integer division of two unsigned integers, reverting on
* division by zero. The result is rounded towards zero.
*
* Counterpart to Solidity's `/` operator.
*
* Requirements:
*
* - The divisor cannot be zero.
*/
function div(uint256 a, uint256 b) internal pure returns (uint256) {
return a / b;
}
/**
* @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
* reverting 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 a % b;
}
/**
* @dev Returns the subtraction of two unsigned integers, reverting with custom message on
* overflow (when the result is negative).
*
* CAUTION: This function is deprecated because it requires allocating memory for the error
* message unnecessarily. For custom revert reasons use {trySub}.
*
* Counterpart to Solidity's `-` operator.
*
* Requirements:
*
* - Subtraction cannot overflow.
*/
function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
unchecked {
require(b <= a, errorMessage);
return a - b;
}
}
/**
* @dev Returns the integer division of two unsigned integers, reverting 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) {
unchecked {
require(b > 0, errorMessage);
return a / b;
}
}
/**
* @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
* reverting with custom message when dividing by zero.
*
* CAUTION: This function is deprecated because it requires allocating memory for the error
* message unnecessarily. For custom revert reasons use {tryMod}.
*
* 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) {
unchecked {
require(b > 0, errorMessage);
return a % b;
}
}
}
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/math/SignedSafeMath.sol)
pragma solidity ^0.8.0;
/**
* @dev Wrappers over Solidity's arithmetic operations.
*
* NOTE: `SignedSafeMath` is no longer needed starting with Solidity 0.8. The compiler
* now has built in overflow checking.
*/
library SignedSafeMath {
/**
* @dev Returns the multiplication of two signed integers, reverting on
* overflow.
*
* Counterpart to Solidity's `*` operator.
*
* Requirements:
*
* - Multiplication cannot overflow.
*/
function mul(int256 a, int256 b) internal pure returns (int256) {
return a * b;
}
/**
* @dev Returns the integer division of two signed integers. Reverts on
* division by zero. The result is rounded towards zero.
*
* Counterpart to Solidity's `/` operator.
*
* Requirements:
*
* - The divisor cannot be zero.
*/
function div(int256 a, int256 b) internal pure returns (int256) {
return a / b;
}
/**
* @dev Returns the subtraction of two signed integers, reverting on
* overflow.
*
* Counterpart to Solidity's `-` operator.
*
* Requirements:
*
* - Subtraction cannot overflow.
*/
function sub(int256 a, int256 b) internal pure returns (int256) {
return a - b;
}
/**
* @dev Returns the addition of two signed integers, reverting on
* overflow.
*
* Counterpart to Solidity's `+` operator.
*
* Requirements:
*
* - Addition cannot overflow.
*/
function add(int256 a, int256 b) internal pure returns (int256) {
return a + b;
}
}
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;
import './IUniswapV2Router01.sol';
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;
}
//SPDX-License-Identifier: MIT
pragma solidity ^0.8.19;
import "@openzeppelin/contracts/access/Ownable.sol";
import "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import "@openzeppelin/contracts/utils/math/SafeMath.sol";
import "@openzeppelin/contracts/utils/math/SignedSafeMath.sol";
import "@uniswap/v2-periphery/contracts/interfaces/IUniswapV2Router02.sol";
import "@uniswap/v2-core/contracts/interfaces/IUniswapV2Factory.sol";
import "@uniswap/v2-core/contracts/interfaces/IUniswapV2Pair.sol";
import "./Pool.sol";
contract Stakify is IERC20, Ownable {
using SafeMath for uint256;
using SignedSafeMath for int256;
event LogRebase(uint256 indexed epoch, uint256 totalSupply);
event RepellentFeeActivated(uint256 activatedAmount);
event RepellentFeeDisabled(uint256 disabledAmount);
IUniswapV2Pair public pairContract;
mapping(address => bool) _isFeeExempt;
mapping(address => bool) isAuthorized;
modifier validRecipient(address to) {
require(to != address(0x0));
_;
}
string constant _name = "Stakify";
string constant _symbol = "SIFY";
uint8 constant _decimals = 18;
uint256 public constant DECIMALS = 18;
uint256 public constant MAX_UINT256 = ~uint256(0);
uint8 public constant RATE_DECIMALS = 11;
uint256 private constant INITIAL_FRAGMENTS_SUPPLY =
100 * 10 ** 6 * 10 ** DECIMALS;
uint256 public autoBurnFee = 1;
uint256 public liquidityFee = 3;
uint256 public treasuryFee = 1;
uint256 public totalFee = 5;
uint256 public repellentSellAutoBurnFee = 15;
uint256 public repellentSellLiquidityFee = 5;
uint256 public repellentSellTreasuryFee = 10;
uint256 public repellentSellTotalFee = 30;
uint256 public repellentBuyAutoBurnFee = 1;
uint256 public repellentBuyLiquidityFee = 1;
uint256 public repellentBuyTreasuryFee = 1;
uint256 public repellentBuyTotalFee = 3;
uint256 public swapThershold = INITIAL_FRAGMENTS_SUPPLY / 10000;
address DEAD = 0x000000000000000000000000000000000000dEaD;
address ZERO = 0x0000000000000000000000000000000000000000;
address BUSD = 0xdAC17F958D2ee523a2206206994597C13D831ec7;
address public treasuryFeeWallet =
0xdAb6280d5a87c10250F454EE3AD3b3b0C1A274C0;
bool public swapEnabled = true;
IUniswapV2Router02 public router;
enum LPLevels {
Level1,
Level2,
Level3,
Level4,
Level5
}
LPLevels public currentLpLevel;
ReferalPool public referalPool;
uint256 public lastLPCheckedAt;
uint256 public lastLPAmount;
uint256 public lpCheckFrequency = 1 hours;
struct LPRange {
uint256 minLimit;
uint256 maxLimit;
uint256 dropLimit;
uint256 recoverLimit;
}
mapping(LPLevels => LPRange) public lpRanges;
address public pair;
bool inSwap = false;
modifier swapping() {
inSwap = true;
_;
inSwap = false;
}
uint256 private constant TOTAL_GONS =
MAX_UINT256 - (MAX_UINT256 % INITIAL_FRAGMENTS_SUPPLY);
uint256 public swapThreshold;
bool public tradingOpen = false;
bool public isRepellentFee;
uint256 public repellentFeeActivatedAt;
uint256 public repellentFeeActivatedAmount;
uint256 public repellentFeeRecoverAmount;
uint256 public lastRepellentFeeActivatedAt;
uint256 public lastRepellentFeeRecoveredAt;
bool public _autoRebase;
bool public _autoAddLiquidity;
uint256 public _initRebaseStartTime;
uint256 public _lastRebasedTime;
uint256 public _lastAddLiquidityTime;
uint256 public _totalSupply;
uint256 private _gonsPerFragment;
uint256 public initialRebaseRate = 19904549;
mapping(address => uint256) private _gonBalances;
mapping(address => mapping(address => uint256)) private _allowedFragments;
constructor() {
router = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
pair = IUniswapV2Factory(router.factory()).createPair(
router.WETH(),
address(this)
);
address _newOwner = 0x64Ab7F64187AF212007A3EE9fdF990101DE4Bc16;
_allowedFragments[address(this)][address(router)] = type(uint256).max;
pairContract = IUniswapV2Pair(pair);
isAuthorized[_newOwner] = true;
_totalSupply = INITIAL_FRAGMENTS_SUPPLY;
_gonBalances[_newOwner] = TOTAL_GONS;
_gonsPerFragment = TOTAL_GONS.div(_totalSupply);
_initRebaseStartTime = block.timestamp;
_lastRebasedTime = block.timestamp;
_autoRebase = true;
_autoAddLiquidity = true;
_isFeeExempt[_newOwner] = true;
_isFeeExempt[address(this)] = true;
lpRanges[LPLevels.Level1].minLimit = 0;
lpRanges[LPLevels.Level1].maxLimit = 100000 ether;
lpRanges[LPLevels.Level1].dropLimit = 1000;
lpRanges[LPLevels.Level1].recoverLimit = 2000;
lpRanges[LPLevels.Level2].minLimit = 100000 ether;
lpRanges[LPLevels.Level2].maxLimit = 200000 ether;
lpRanges[LPLevels.Level2].dropLimit = 750;
lpRanges[LPLevels.Level2].recoverLimit = 1500;
lpRanges[LPLevels.Level3].minLimit = 200000 ether;
lpRanges[LPLevels.Level3].maxLimit = 500000 ether;
lpRanges[LPLevels.Level3].dropLimit = 500;
lpRanges[LPLevels.Level3].recoverLimit = 1000;
lpRanges[LPLevels.Level4].minLimit = 500000 ether;
lpRanges[LPLevels.Level4].maxLimit = 1000000 ether;
lpRanges[LPLevels.Level4].dropLimit = 250;
lpRanges[LPLevels.Level4].recoverLimit = 500;
lpRanges[LPLevels.Level5].minLimit = 1000000 ether;
lpRanges[LPLevels.Level5].maxLimit = 600000 ether;
lpRanges[LPLevels.Level5].dropLimit = 100;
lpRanges[LPLevels.Level5].recoverLimit = 200;
referalPool = new ReferalPool(_newOwner, address(this));
_transferOwnership(_newOwner);
emit Transfer(address(0x0), _newOwner, _totalSupply);
}
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 rebase() internal {
if (inSwap) return;
uint256 rebaseRate;
uint256 deltaTimeFromInit = block.timestamp - _initRebaseStartTime;
uint256 deltaTime = block.timestamp - _lastRebasedTime;
uint256 times = deltaTime.div(3600);
uint256 epoch = times.mul(60);
if (deltaTimeFromInit <= 10) {
rebaseRate = initialRebaseRate;
} else if (deltaTimeFromInit < 100) {
uint256 numberOf10Days = deltaTimeFromInit / 10;
rebaseRate = initialRebaseRate - (100000 * numberOf10Days);
} else {
rebaseRate = 272039;
}
for (uint256 i = 0; i < times; i++) {
_totalSupply = _totalSupply
.mul((10 ** RATE_DECIMALS).add(rebaseRate))
.div(10 ** RATE_DECIMALS);
}
_gonsPerFragment = TOTAL_GONS.div(_totalSupply);
_lastRebasedTime = _lastRebasedTime.add(times.mul(60));
pairContract.sync();
emit LogRebase(epoch, _totalSupply);
}
function transfer(
address to,
uint256 value
) external override validRecipient(to) returns (bool) {
_transferFrom(msg.sender, to, value);
return true;
}
function transferFrom(
address from,
address to,
uint256 value
) external override validRecipient(to) returns (bool) {
if (_allowedFragments[from][msg.sender] != type(uint256).max) {
_allowedFragments[from][msg.sender] = _allowedFragments[from][
msg.sender
].sub(value, "Insufficient Allowance");
}
_transferFrom(from, to, value);
return true;
}
function _basicTransfer(
address from,
address to,
uint256 amount
) internal returns (bool) {
uint256 gonAmount = amount.mul(_gonsPerFragment);
_gonBalances[from] = _gonBalances[from].sub(gonAmount);
_gonBalances[to] = _gonBalances[to].add(gonAmount);
return true;
}
function _transferFrom(
address sender,
address recipient,
uint256 amount
) internal returns (bool) {
if (!isAuthorized[sender]) {
require(tradingOpen, "Trading not open yet");
}
if (inSwap || sender == address(referalPool)) {
return _basicTransfer(sender, recipient, amount);
}
if (
(lastLPCheckedAt + lpCheckFrequency) < block.timestamp &&
!isRepellentFee &&
tradingOpen
) {
uint256 lpBnbBalance = IERC20(router.WETH()).balanceOf(
address(pair)
);
lastLPAmount = getBnbPrice(lpBnbBalance);
lastLPCheckedAt = block.timestamp;
}
if (sender == pair) {
if (referalPool.userReferal(recipient) != ZERO) {
referalPool.setReferalBonus(recipient, amount);
}
}
if (tradingOpen) {
calculateLPStatus();
}
if (shouldRebase()) {
rebase();
}
if (shouldSwapBack()) {
swapBack();
}
uint256 gonAmount = amount.mul(_gonsPerFragment);
_gonBalances[sender] = _gonBalances[sender].sub(gonAmount);
uint256 gonAmountReceived = shouldTakeFee(sender, recipient)
? takeFee(sender, recipient, gonAmount)
: gonAmount;
_gonBalances[recipient] = _gonBalances[recipient].add(
gonAmountReceived
);
emit Transfer(
sender,
recipient,
gonAmountReceived.div(_gonsPerFragment)
);
return true;
}
function takeFee(
address sender,
address recipient,
uint256 gonAmount
) internal returns (uint256) {
uint256 feeAmount = 0;
uint256 tokensToTreasury = 0;
uint256 tokensToBurn = 0;
if (!isRepellentFee) {
feeAmount = gonAmount.div(100).mul(totalFee);
tokensToTreasury = feeAmount.mul(treasuryFee).div(totalFee);
tokensToBurn = feeAmount.mul(autoBurnFee).div(totalFee);
} else {
if (recipient == pair) {
feeAmount = gonAmount.div(100).mul(repellentSellTotalFee);
tokensToTreasury = feeAmount.mul(repellentSellTreasuryFee).div(
repellentSellTotalFee
);
tokensToBurn = feeAmount.mul(repellentSellAutoBurnFee).div(
repellentSellTotalFee
);
} else {
feeAmount = gonAmount.div(100).mul(repellentBuyTotalFee);
tokensToTreasury = feeAmount.mul(repellentBuyTreasuryFee).div(
repellentBuyTotalFee
);
tokensToBurn = feeAmount.mul(repellentBuyAutoBurnFee).div(
repellentBuyTotalFee
);
}
}
feeAmount = feeAmount.sub(tokensToTreasury).sub(tokensToBurn);
_gonBalances[treasuryFeeWallet] = _gonBalances[treasuryFeeWallet].add(
tokensToTreasury
);
emit Transfer(
sender,
address(treasuryFeeWallet),
tokensToTreasury.div(_gonsPerFragment)
);
_gonBalances[DEAD] = _gonBalances[DEAD].add(tokensToBurn);
emit Transfer(sender, DEAD, tokensToBurn.div(_gonsPerFragment));
_gonBalances[address(this)] = _gonBalances[address(this)].add(
feeAmount
);
emit Transfer(sender, address(this), feeAmount.div(_gonsPerFragment));
return gonAmount.sub(feeAmount + tokensToTreasury + tokensToBurn);
}
function swapAndLiquify(uint256 tokens) private {
// split the contract balance into halves
uint256 half = tokens.div(2);
uint256 otherHalf = tokens.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);
}
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] = router.WETH();
// make the swap
router.swapExactTokensForETHSupportingFeeOnTransferTokens(
tokenAmount,
0, // accept any amount of ETH
path,
address(this),
block.timestamp
);
}
function addLiquidity(uint256 tokenAmount, uint256 bnbAmount) private {
// add the liquidity
router.addLiquidityETH{value: bnbAmount}(
address(this),
tokenAmount,
0, // slippage is unavoidable
0, // slippage is unavoidable
address(DEAD),
block.timestamp
);
}
function swapBack() internal swapping {
uint256 contractTokenBalance = _gonBalances[address(this)].div(
_gonsPerFragment
);
if (contractTokenBalance == 0 && totalFee == 0) return;
swapAndLiquify(contractTokenBalance);
}
function shouldTakeFee(
address from,
address to
) internal view returns (bool) {
return (pair == from || pair == to) && !_isFeeExempt[from];
}
function shouldRebase() internal view returns (bool) {
return
_autoRebase &&
msg.sender != pair &&
!inSwap &&
tradingOpen &&
block.timestamp >= (_lastRebasedTime + 15 minutes);
}
function shouldSwapBack() internal view returns (bool) {
return
!inSwap &&
msg.sender != pair &&
swapEnabled &&
_gonBalances[address(this)] >= swapThershold;
}
function enableSwap(bool status) external onlyOwner {
swapEnabled = status;
}
function setAutoRebase(bool _flag) external onlyOwner {
if (_flag) {
_autoRebase = _flag;
_lastRebasedTime = block.timestamp;
} else {
_autoRebase = _flag;
}
}
function setAutoAddLiquidity(bool _flag) external onlyOwner {
if (_flag) {
_autoAddLiquidity = _flag;
_lastAddLiquidityTime = block.timestamp;
} else {
_autoAddLiquidity = _flag;
}
}
function allowance(
address owner_,
address spender
) external view override returns (uint256) {
return _allowedFragments[owner_][spender];
}
function enableTrading() public onlyOwner {
tradingOpen = true;
}
function decreaseAllowance(
address spender,
uint256 subtractedValue
) external returns (bool) {
uint256 oldValue = _allowedFragments[msg.sender][spender];
if (subtractedValue >= oldValue) {
_allowedFragments[msg.sender][spender] = 0;
} else {
_allowedFragments[msg.sender][spender] = oldValue.sub(
subtractedValue
);
}
emit Approval(
msg.sender,
spender,
_allowedFragments[msg.sender][spender]
);
return true;
}
function increaseAllowance(
address spender,
uint256 addedValue
) external returns (bool) {
_allowedFragments[msg.sender][spender] = _allowedFragments[msg.sender][
spender
].add(addedValue);
emit Approval(
msg.sender,
spender,
_allowedFragments[msg.sender][spender]
);
return true;
}
function approve(
address spender,
uint256 value
) external override returns (bool) {
_allowedFragments[msg.sender][spender] = value;
emit Approval(msg.sender, spender, value);
return true;
}
function checkFeeExempt(address _addr) external view returns (bool) {
return _isFeeExempt[_addr];
}
function getCirculatingSupply() public view returns (uint256) {
return
(TOTAL_GONS.sub(_gonBalances[DEAD]).sub(_gonBalances[ZERO])).div(
_gonsPerFragment
);
}
function isNotInSwap() external view returns (bool) {
return !inSwap;
}
function manualSync() external {
IUniswapV2Pair(pair).sync();
}
function setFeeReceivers(address _treasuryFeeWallet) external onlyOwner {
treasuryFeeWallet = _treasuryFeeWallet;
}
function getLiquidityBacking(
uint256 accuracy
) public view returns (uint256) {
uint256 liquidityBalance = _gonBalances[pair].div(_gonsPerFragment);
return
accuracy.mul(liquidityBalance.mul(2)).div(getCirculatingSupply());
}
function setWhitelist(address _addr) external onlyOwner {
_isFeeExempt[_addr] = true;
}
function setLP(address _address) external onlyOwner {
pairContract = IUniswapV2Pair(_address);
}
function totalSupply() external view override returns (uint256) {
return _totalSupply;
}
function balanceOf(address account) public view override returns (uint256) {
return _gonBalances[account].div(_gonsPerFragment);
}
function isContract(address addr) internal view returns (bool) {
uint256 size;
assembly {
size := extcodesize(addr)
}
return size > 0;
}
function _transferBNBToWallet(
address payable recipient,
uint256 amount
) private {
recipient.transfer(amount);
}
function calculateLPStatus() internal {
uint256 lpBnbBalance = IERC20(router.WETH()).balanceOf(address(pair));
uint256 lpBalance = getBnbPrice(lpBnbBalance);
if (
lpBalance >= lpRanges[LPLevels.Level1].minLimit &&
lpBalance <= lpRanges[LPLevels.Level1].maxLimit
) currentLpLevel = LPLevels.Level1;
if (
lpBalance >= lpRanges[LPLevels.Level2].minLimit &&
lpBalance <= lpRanges[LPLevels.Level2].maxLimit
) currentLpLevel = LPLevels.Level2;
if (
lpBalance >= lpRanges[LPLevels.Level3].minLimit &&
lpBalance <= lpRanges[LPLevels.Level3].maxLimit
) currentLpLevel = LPLevels.Level3;
if (
lpBalance >= lpRanges[LPLevels.Level4].minLimit &&
lpBalance <= lpRanges[LPLevels.Level4].maxLimit
) currentLpLevel = LPLevels.Level4;
if (lpBalance >= lpRanges[LPLevels.Level5].minLimit)
currentLpLevel = LPLevels.Level5;
if (lastLPAmount > lpBalance && !isRepellentFee) {
uint256 lpDifference = lastLPAmount - lpBalance;
uint256 differencePercentage = ((lpDifference * 10000) /
lastLPAmount);
if (differencePercentage > lpRanges[currentLpLevel].dropLimit) {
isRepellentFee = true;
repellentFeeActivatedAt = block.timestamp;
lastRepellentFeeActivatedAt = block.timestamp;
repellentFeeActivatedAmount = lpBalance;
repellentFeeRecoverAmount =
lpBalance +
((lpBalance * lpRanges[currentLpLevel].recoverLimit) /
10000);
emit RepellentFeeActivated(lpBalance);
}
}
if (isRepellentFee && lpBalance > repellentFeeRecoverAmount) {
isRepellentFee = false;
repellentFeeActivatedAt = 0;
repellentFeeActivatedAmount = 0;
repellentFeeRecoverAmount = 0;
lastRepellentFeeRecoveredAt = block.timestamp;
lastLPAmount = lpBalance;
emit RepellentFeeDisabled(lpBalance);
}
}
function getBnbPrice(uint256 _amount) public view returns (uint256) {
address[] memory path = new address[](2);
path[0] = router.WETH();
path[1] = BUSD;
uint256[] memory amounts = router.getAmountsOut(_amount, path);
return amounts[1];
}
function setLpRange(
LPLevels _level,
uint256 _min,
uint256 _max,
uint256 _drop,
uint256 _recover
) external onlyOwner {
LPRange storage currentRange = lpRanges[_level];
currentRange.minLimit = _min;
currentRange.maxLimit = _max;
currentRange.dropLimit = _drop;
currentRange.recoverLimit = _recover;
}
function changeSwapPoint(uint256 _amount) external onlyOwner {
swapThershold = _amount;
}
function changeRebaseRate(uint256 _amount) external onlyOwner {
initialRebaseRate = _amount;
}
function changeNormalFees(
uint256 _autoBurnFee,
uint256 _liquidityFee,
uint256 _treasuryFee
) external onlyOwner {
autoBurnFee = _autoBurnFee;
liquidityFee = _liquidityFee;
treasuryFee = _treasuryFee;
totalFee = _autoBurnFee + _liquidityFee + _treasuryFee;
require(totalFee <= 20, "Fees can not be grater than 20%");
}
function changeRepellentSellFees(
uint256 _autoBurnFee,
uint256 _liquidityFee,
uint256 _treasuryFee
) external onlyOwner {
repellentSellAutoBurnFee = _autoBurnFee;
repellentSellLiquidityFee = _liquidityFee;
repellentSellTreasuryFee = _treasuryFee;
repellentSellTotalFee = _autoBurnFee + _liquidityFee + _treasuryFee;
require(repellentSellTotalFee <= 30, "Fees can not be grater than 30%");
}
function changeRepellentBuyFees(
uint256 _autoBurnFee,
uint256 _liquidityFee,
uint256 _treasuryFee
) external onlyOwner {
repellentBuyAutoBurnFee = _autoBurnFee;
repellentBuyLiquidityFee = _liquidityFee;
repellentBuyTreasuryFee = _treasuryFee;
repellentBuyTotalFee = _autoBurnFee + _liquidityFee + _treasuryFee;
require(repellentSellTotalFee <= 20, "Fees can not be grater than 20%");
}
function setAuthorizedWallet(
address _wallet,
bool _status
) external onlyOwner {
isAuthorized[_wallet] = _status;
}
receive() external payable {}
}
//SPDX-License-Identifier: MIT
pragma solidity ^0.8.19;
import "@openzeppelin/contracts/access/Ownable.sol";
import "@openzeppelin/contracts/token/ERC20/IERC20.sol";
contract ReferalPool is Ownable {
enum ReferalLevels {
Basic,
Advanced,
Pro
}
struct Referals {
ReferalLevels level;
uint256 totalRewards;
uint256 claimedRewards;
uint256 lastClaimedAt;
uint256 lastRewardsAt;
address lastRewardFrom;
bool isAtMaxLevel;
uint256 referalCount;
}
struct TierStructure {
uint256 minReferals;
uint256 rewardPercentage;
}
uint256 constant DEVIDE_FACTOR = 10000;
address public superAdmin;
IERC20 public Token;
uint256 public totalRewardsSent;
mapping(ReferalLevels => TierStructure) public levelDetails;
mapping(address => Referals) public referalDetails;
mapping(address => address) public userReferal;
event NewReferalAdded(address referee, address referal);
event NewReferalBonusAdded(address from, address to, uint256 amount);
modifier onlySuper() {
require(
msg.sender == superAdmin,
"Ownable: caller is not the Super admin"
);
_;
}
constructor(address _superAdmin, address _token) {
TierStructure storage _level1 = levelDetails[ReferalLevels.Basic];
TierStructure storage _level2 = levelDetails[ReferalLevels.Advanced];
TierStructure storage _level3 = levelDetails[ReferalLevels.Pro];
_level1.minReferals = 1;
_level1.rewardPercentage = 100;
_level2.minReferals = 4;
_level2.rewardPercentage = 200;
_level3.minReferals = 7;
_level3.rewardPercentage = 300;
superAdmin = _superAdmin;
Token = IERC20(_token);
}
function setReferal(address _referal) external {
require(
userReferal[msg.sender] == address(0),
"Referal address already set"
);
require(msg.sender != _referal, "Can not set own address");
userReferal[msg.sender] = _referal;
Referals storage referal = referalDetails[_referal];
referal.referalCount++;
if (!referal.isAtMaxLevel) {
updateReferalLevel(_referal);
}
emit NewReferalAdded(msg.sender, _referal);
}
function setReferalBonus(
address from,
uint256 buyAmount
) external onlyOwner {
if (userReferal[from] == address(0)) return;
Referals storage referal = referalDetails[userReferal[from]];
TierStructure memory tier = levelDetails[referal.level];
uint256 _bonus = (buyAmount * tier.rewardPercentage) / DEVIDE_FACTOR;
referal.lastRewardFrom = from;
referal.lastRewardsAt = block.timestamp;
referal.totalRewards += _bonus;
Token.transfer(userReferal[from], _bonus);
emit NewReferalBonusAdded(from, userReferal[from], _bonus);
}
function changeTiers(
ReferalLevels level,
uint256 newMinReferals,
uint256 newRewardPercentage
) external onlySuper {
TierStructure storage tier = levelDetails[level];
// Check that the provided values are valid
require(newMinReferals > 0, "Minimum referrals must be greater than 0");
require(
newRewardPercentage > 0,
"Reward percentage must be greater than 0"
);
// Update the tier structure with the new values
tier.minReferals = newMinReferals;
tier.rewardPercentage = newRewardPercentage;
}
function updateReferalLevel(address _user) internal {
Referals storage referal = referalDetails[_user];
uint256 referalCount = referal.referalCount;
ReferalLevels newLevel;
if (referalCount >= levelDetails[ReferalLevels.Pro].minReferals) {
newLevel = ReferalLevels.Pro;
} else if (
referalCount >= levelDetails[ReferalLevels.Advanced].minReferals
) {
newLevel = ReferalLevels.Advanced;
} else {
newLevel = ReferalLevels.Basic;
}
// Update the referral's level if it has changed
if (referal.level != newLevel) {
referal.level = newLevel;
if (newLevel == ReferalLevels.Pro) referal.isAtMaxLevel = true;
}
}
function claimRewards() external {
Referals storage referal = referalDetails[msg.sender];
require(referal.totalRewards > 0, "you didn't start earning yet");
uint256 claimabaleRewards = referal.totalRewards -
referal.claimedRewards;
require(claimabaleRewards > 0, "you don't have any claiamble rewards");
referal.claimedRewards += claimabaleRewards;
referal.lastClaimedAt = block.timestamp;
Token.transfer(msg.sender, claimabaleRewards);
totalRewardsSent += claimabaleRewards;
}
}