/**
*Submitted for verification at hecoinfo.com on 2021-05-21
*/

//SPDX-License-Identifier: Unlicensed
/**
* Source: https://bscscan.com/address/0x68590a47578e5060a29fd99654f4556dbfa05d10#code
* Certik Audit: https://www.certik.org/projects/moonratfinance
* Cooperate with NUT: changed from BEP20 to HECO, using Nut.Money for swap.
*/

pragma solidity >=0.6.8;

interface IBEP20 {
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
);
}

/**
* @dev Wrappers over Solidity's arithmetic operations with added overflow
* checks.
*
* Arithmetic operations in Solidity wrap on overflow. This can easily result
* in bugs, because programmers usually assume that an overflow raises an
* error, which is the standard behavior in high level programming languages.
* `SafeMath` restores this intuition by reverting the transaction when an
* operation overflows.
*
* Using this library instead of the unchecked operations eliminates an entire
* class of bugs, so it's recommended to use it always.
*/

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 {
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;
}
}

/**
* @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 BNB 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() 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 IPancakeFactory {
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;
}

interface IPancakePair {
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;
}

interface IPancakeRouter01 {
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);
}

interface IPancakeRouter02 is IPancakeRouter01 {
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;
}

// File: contracts/protocols/bep/Utils.sol

pragma solidity >=0.6.8;

library Utils {
using SafeMath for uint256;

function random(
uint256 from,
uint256 to,
uint256 salty
) private view returns (uint256) {
uint256 seed =
uint256(
keccak256(
abi.encodePacked(
block.timestamp
block.difficulty
((
uint256(
keccak256(abi.encodePacked(block.coinbase))
)
) / (now))
block.gaslimit
((
uint256(keccak256(abi.encodePacked(msg.sender)))
) / (now))
block.number
salty
)
)
);
return seed.mod(to - from) from;
}

function calculateBNBReward(
uint256 _tTotal,
uint256 currentBalance,
uint256 currentBNBPool,
uint256 totalSupply,
address ofAddress
) public view returns (uint256) {
uint256 bnbPool = currentBNBPool;

// calculate reward to send

uint256 multiplier = 100;

// now calculate reward
uint256 reward =
bnbPool.mul(multiplier).mul(currentBalance).div(100).div(
totalSupply
);

// disable warning
_tTotal;
ofAddress;

return reward;
}

function calculateTopUpClaim(
uint256 currentRecipientBalance,
uint256 basedRewardCycleBlock,
uint256 threshHoldTopUpRate,
uint256 amount
) public view returns (uint256) {
if (currentRecipientBalance == 0) {
return block.timestamp basedRewardCycleBlock;
} else {
uint256 rate = amount.mul(100).div(currentRecipientBalance);

if (uint256(rate) >= threshHoldTopUpRate) {
uint256 incurCycleBlock =
basedRewardCycleBlock.mul(uint256(rate)).div(100);

if (incurCycleBlock >= basedRewardCycleBlock) {
incurCycleBlock = basedRewardCycleBlock;
}

return incurCycleBlock;
}

return 0;
}
}

function swapTokensForEth(address routerAddress, uint256 tokenAmount, address to)
public
{
IPancakeRouter02 pancakeRouter = IPancakeRouter02(routerAddress);

// generate the pancake pair path of token -> weth
address[] memory path = new address[](2);
path[0] = address(this);
path[1] = pancakeRouter.WETH();

// make the swap
pancakeRouter.swapExactTokensForETHSupportingFeeOnTransferTokens(
tokenAmount,
0, // accept any amount of BNB
path,
to,
block.timestamp
);
}

function swapETHForTokens(
address routerAddress,
address recipient,
uint256 ethAmount
) public {
IPancakeRouter02 pancakeRouter = IPancakeRouter02(routerAddress);

// generate the pancake pair path of token -> weth
address[] memory path = new address[](2);
path[0] = pancakeRouter.WETH();
path[1] = address(this);

// make the swap
pancakeRouter.swapExactETHForTokensSupportingFeeOnTransferTokens{
value: ethAmount
}(
0, // accept any amount of BNB
path,
address(recipient),
block.timestamp 360
);
}

function addLiquidity(
address routerAddress,
address owner,
uint256 tokenAmount,
uint256 ethAmount
) public {
IPancakeRouter02 pancakeRouter = IPancakeRouter02(routerAddress);

// add the liquidity
pancakeRouter.addLiquidityETH{value: ethAmount}(
address(this),
tokenAmount,
0, // slippage is unavoidable
0, // slippage is unavoidable
owner,
block.timestamp 360
);
}
}

// File: contracts/protocols/bep/ReentrancyGuard.sol

pragma solidity >=0.6.8;

/**
* @dev Contract module that helps prevent reentrant calls to a function.
*
* Inheriting from `ReentrancyGuard` will make the {nonReentrant} modifier
* available, which can be applied to functions to make sure there are no nested
* (reentrant) calls to them.
*
* Note that because there is a single `nonReentrant` guard, functions marked as
* `nonReentrant` may not call one another. This can be worked around by making
* those functions `private`, and then adding `external` `nonReentrant` entry
* points to them.
*
* TIP: If you would like to learn more about reentrancy and alternative ways
* to protect against it, check out our blog post
* https://blog.openzeppelin.com/reentrancy-after-istanbul/[Reentrancy After Istanbul].
*/
abstract contract ReentrancyGuard {
// Booleans are more expensive than uint256 or any type that takes up a full
// word because each write operation emits an extra SLOAD to first read the
// slot's contents, replace the bits taken up by the boolean, and then write
// back. This is the compiler's defense against contract upgrades and
// pointer aliasing, and it cannot be disabled.

// The values being non-zero value makes deployment a bit more expensive,
// but in exchange the refund on every call to nonReentrant will be lower in
// amount. Since refunds are capped to a percentage of the total
// transaction's gas, it is best to keep them low in cases like this one, to
// increase the likelihood of the full refund coming into effect.
uint256 private constant _NOT_ENTERED = 1;
uint256 private constant _ENTERED = 2;

uint256 private _status;

constructor() public {
_status = _NOT_ENTERED;
}

/**
* @dev Prevents a contract from calling itself, directly or indirectly.
* Calling a `nonReentrant` function from another `nonReentrant`
* function is not supported. It is possible to prevent this from happening
* by making the `nonReentrant` function external, and make it call a
* `private` function that does the actual work.
*/
modifier nonReentrant() {
// On the first call to nonReentrant, _notEntered will be true
require(_status != _ENTERED, "ReentrancyGuard: reentrant call");

// Any calls to nonReentrant after this point will fail
_status = _ENTERED;

_;

// By storing the original value once again, a refund is triggered (see
// https://eips.ethereum.org/EIPS/eip-2200)
_status = _NOT_ENTERED;
}

modifier isHuman() {
require(tx.origin == msg.sender, "sorry humans only");
_;
}
}

// File: contracts/protocols/MoonRat.sol

pragma solidity >=0.6.8;
pragma experimental ABIEncoderV2;

contract ABULL is Context, IBEP20, Ownable, ReentrancyGuard {
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;
mapping(address => bool) private _isExcludedFromMaxTx;

address[] private _excluded;

uint256 private constant MAX = ~uint256(0);
uint256 private _tTotal = 300000000000 * 10**18;
uint256 private _rTotal = (MAX - (MAX % _tTotal));
uint256 private _tFeeTotal;
uint256 private _tBurnTotal;

string private _name = "ABULL";
string private _symbol = "ABULL";
uint8 private _decimals = 18;

bool inSwapAndLiquify;
bool public swapAndLiquifyEnabled = false;

IPancakeRouter02 public immutable pancakeRouter;
address public immutable pancakePair;

event SwapAndLiquifyEnabledUpdated(bool enabled);
event ClaimBNBSuccessfully(
address recipient,
uint256 ethReceived,
uint256 nextAvailableClaimDate
);

modifier lockTheSwap {
inSwapAndLiquify = true;
_;
inSwapAndLiquify = false;
}

constructor(address payable routerAddress) public {
_rOwned[_msgSender()] = _rTotal;

IPancakeRouter02 _pancakeRouter = IPancakeRouter02(routerAddress);
// Create a pancake pair for this new token
pancakePair = IPancakeFactory(_pancakeRouter.factory()).createPair(
address(this),
_pancakeRouter.WETH()
);

// set the rest of the contract variables
pancakeRouter = _pancakeRouter;

//exclude owner and this contract from fee
_isExcludedFromFee[owner()] = true;
_isExcludedFromFee[address(this)] = true;

// exclude from max tx
_isExcludedFromMaxTx[owner()] = true;
_isExcludedFromMaxTx[address(this)] = true;
_isExcludedFromMaxTx[
address(0x000000000000000000000000000000000000dEaD)
] = true;
_isExcludedFromMaxTx[address(0)] = 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, 0);
return true;
}

function allowance(address owner, address spender)
public
view
override
returns (uint256)
{
return _allowances[owner][spender];
}

function approve(address spender, uint256 amount)
public
override
returns (bool)
{
_approve(_msgSender(), spender, amount);
return true;
}

function transferFrom(
address sender,
address recipient,
uint256 amount
) public override returns (bool) {
_transfer(sender, recipient, amount, 0);
_approve(
sender,
_msgSender(),
_allowances[sender][_msgSender()].sub(
amount,
"BEP20: 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,
"BEP20: 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 totalBurn() public view returns (uint256) {
return _tBurnTotal;
}

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 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 setBurnFeePercent(uint256 burnFee) external onlyOwner() {
_burnFee = burnFee;
}

function setSwapAndLiquifyEnabled(bool _enabled) public onlyOwner {
swapAndLiquifyEnabled = _enabled;
emit SwapAndLiquifyEnabledUpdated(_enabled);
}

//to receive BNB from pancakeRouter when swapping
receive() external payable {}

function _reflectBurn(uint256 rBurn, uint256 tBurn) private {
_rTotal = _rTotal.sub(rBurn);
_tBurnTotal = _tBurnTotal.add(tBurn);
_tTotal = _tTotal.sub(tBurn);
}

struct TData {
uint256 rAmount;
uint256 rTransferAmount;
uint256 rFee;
uint256 tTransferAmount;
uint256 tFee;
uint256 tLotto;
uint256 tDev;
uint256 tBurn;
}

function _getValues(uint256 tAmount)
private
view
returns (
uint256,
uint256,
uint256,
uint256,
uint256,
uint256,
uint256,
uint256
)
{
TData memory data;
(data.tTransferAmount, data.tFee, data.tLotto, data.tDev, data.tBurn) =
_getTValues(tAmount);
(data.rAmount, data.rTransferAmount, data.rFee) =
_getRValues(tAmount, data.tFee, data.tLotto, data.tDev, data.tBurn, _getRate());
return (
data.rAmount,
data.rTransferAmount,
data.rFee,
data.tTransferAmount,
data.tFee,
data.tLotto,
data.tDev,
data.tBurn
);
}

function _getTValues(uint256 tAmount)
private
view
returns (
uint256,
uint256,
uint256,
uint256,
uint256
)
{
TData memory data;
data.tFee = calculateTaxFee(tAmount);

data.tLotto = calculateLottoFee(tAmount);
data.tDev = calculateDevFee(tAmount);
data.tBurn = calculateBurnFee(tAmount);

uint256 tTransferAmount = tAmount.sub(data.tFee).sub(data.tLotto).sub(data.tDev).sub(data.tBurn);
return (tTransferAmount, data.tFee, data.tLotto, data.tDev, data.tBurn);
}

function _getRValues(
uint256 tAmount,
uint256 tFee,
uint256 tLotto,
uint256 tDev,
uint256 tBurn,
uint256 currentRate
)
private
pure
returns (
uint256,
uint256,
uint256
)
{
uint256 rAmount = tAmount.mul(currentRate);
uint256 rFee = tFee.mul(currentRate);

uint256 rLotto = tLotto.mul(currentRate);
uint256 rDev = tDev.mul(currentRate);
uint256 rBurn = tBurn.mul(currentRate);

uint256 rTransferAmount = rAmount.sub(rFee).sub(rLotto).sub(rDev).sub(rBurn);
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 _takeSwap(uint256 amount) private lockTheSwap {
uint256 tSwapped = calculateTaxFee(amount);
uint256 tLotto = calculateLottoFee(amount);
uint256 tDev = calculateDevFee(amount);
uint256 total = tSwapped.add(tLotto).add(tDev);
if (balanceOf(address(this)) > total) {
if (tSwapped > 0) {
Utils.swapTokensForEth(address(pancakeRouter), tSwapped, address(this));
}
if (tLotto > 0) {
Utils.swapTokensForEth(address(pancakeRouter), tLotto, _lottoWalletAddress);
}
if (tDev > 0) {
Utils.swapTokensForEth(address(pancakeRouter), tDev, _devWalletAddress);
}
}
}

function _takeFee(uint256 tFee) private {
uint256 currentRate = _getRate();
uint256 rFee = tFee.mul(currentRate);
_rOwned[address(this)] = _rOwned[address(this)].add(rFee);
if (_isExcluded[address(this)])
_tOwned[address(this)] = _tOwned[address(this)].add(tFee);
}

function calculateTaxFee(uint256 _amount) private view returns (uint256) {
return _amount.mul(_taxFee).div(10**2);
}

function calculateLottoFee(uint256 _amount) private view returns (uint256) {
return _amount.mul(_lottoFee).div(
10**2
);
}

function calculateDevFee(uint256 _amount) private view returns (uint256) {
return _amount.mul(_devFee).div(
10**2
);
}

function calculateBurnFee(uint256 _amount)
private
view
returns (uint256)
{
return _amount.mul(_burnFee).div(10**2);
}

function removeAllFee() private {
if (_taxFee == 0 && _burnFee == 0) return;

_previousDevFee = _devFee;
_previousLottoFee = _lottoFee;
_previousTaxFee = _taxFee;
_previousBurnFee = _burnFee;

_devFee = 0;
_lottoFee = 0;
_taxFee = 0;
_burnFee = 0;
}

function restoreAllFee() private {
_devFee = _previousDevFee;
_lottoFee = _previousLottoFee;
_taxFee = _previousTaxFee;
_burnFee = _previousBurnFee;
}

function isExcludedFromFee(address account) public view returns (bool) {
return _isExcludedFromFee[account];
}

function _approve(
address owner,
address spender,
uint256 amount
) private {
require(owner != address(0), "BEP20: approve from the zero address");
require(spender != address(0), "BEP20: approve to the zero address");

_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}

function _transfer(
address from,
address to,
uint256 amount,
uint256 value
) private {
require(from != address(0), "BEP20: transfer from the zero address");
require(to != address(0), "BEP20: transfer to the zero address");
require(amount > 0, "Transfer amount must be greater than zero");

ensureMaxTxAmount(from, to, amount, value);

if (!inSwapAndLiquify && swapAndLiquifyEnabled && from != pancakePair && !(from == address(this) && to == address(pancakePair))) {
_takeSwap(amount);
}

//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);
}

//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();

// top up claim cycle
topUpClaimCycleAfterTransfer(recipient, amount);

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 {
TData memory data;
(
data.rAmount,
data.rTransferAmount,
data.rFee,
data.tTransferAmount,
data.tFee,
data.tLotto,
data.tDev,
data.tBurn
) = _getValues(tAmount);
uint256 currentRate = _getRate();
uint256 rBurn = data.tBurn.mul(currentRate);
_rOwned[sender] = _rOwned[sender].sub(data.rAmount);
_rOwned[recipient] = _rOwned[recipient].add(data.rTransferAmount);
uint256 totalFee = data.tFee.add(data.tLotto).add(data.tDev);
_takeFee(totalFee);
_reflectBurn(rBurn, data.tBurn);
emit Transfer(sender, recipient, data.tTransferAmount);
}

function _transferToExcluded(
address sender,
address recipient,
uint256 tAmount
) private {
TData memory data;
(
data.rAmount,
data.rTransferAmount,
data.rFee,
data.tTransferAmount,
data.tFee,
data.tLotto,
data.tDev,
data.tBurn
) = _getValues(tAmount);
uint256 currentRate = _getRate();
uint256 rBurn = data.tBurn.mul(currentRate);
_rOwned[sender] = _rOwned[sender].sub(data.rAmount);
_tOwned[recipient] = _tOwned[recipient].add(data.tTransferAmount);
_rOwned[recipient] = _rOwned[recipient].add(data.rTransferAmount);
uint256 totalFee = data.tFee.add(data.tLotto).add(data.tDev);
_takeFee(totalFee);
_reflectBurn(rBurn, data.tBurn);
emit Transfer(sender, recipient, data.tTransferAmount);
}

function _transferFromExcluded(
address sender,
address recipient,
uint256 tAmount
) private {
TData memory data;
(
data.rAmount,
data.rTransferAmount,
data.rFee,
data.tTransferAmount,
data.tFee,
data.tLotto,
data.tDev,
data.tBurn
) = _getValues(tAmount);
uint256 currentRate = _getRate();
uint256 rBurn = data.tBurn.mul(currentRate);
_tOwned[sender] = _tOwned[sender].sub(tAmount);
_rOwned[sender] = _rOwned[sender].sub(data.rAmount);
_rOwned[recipient] = _rOwned[recipient].add(data.rTransferAmount);
uint256 totalFee = data.tFee.add(data.tLotto).add(data.tDev);
_takeFee(totalFee);
_reflectBurn(rBurn, data.tBurn);
emit Transfer(sender, recipient, data.tTransferAmount);
}

function _transferBothExcluded(
address sender,
address recipient,
uint256 tAmount
) private {
TData memory data;
(
data.rAmount,
data.rTransferAmount,
data.rFee,
data.tTransferAmount,
data.tFee,
data.tLotto,
data.tDev,
data.tBurn
) = _getValues(tAmount);
uint256 currentRate = _getRate();
uint256 rBurn = data.tBurn.mul(currentRate);
_tOwned[sender] = _tOwned[sender].sub(tAmount);
_rOwned[sender] = _rOwned[sender].sub(data.rAmount);
_tOwned[recipient] = _tOwned[recipient].add(data.tTransferAmount);
_rOwned[recipient] = _rOwned[recipient].add(data.rTransferAmount);
uint256 totalFee = data.tFee.add(data.tLotto).add(data.tDev);
_takeFee(totalFee);
_reflectBurn(rBurn, data.tBurn);
emit Transfer(sender, recipient, data.tTransferAmount);
}

// Innovation for protocol by MoonRat Team
uint256 public rewardCycleBlock = 10 minutes;
uint256 public easyRewardCycleBlock = 10 minutes;
uint256 public threshHoldTopUpRate = 50; // 2 percent
uint256 public _maxTxAmount = _tTotal; // should be 0.05% percent per transaction, will be set again at activateContract() function
uint256 public disruptiveCoverageFee = 2 ether; // antiwhale
mapping(address => uint256) public nextAvailableClaimDate;
uint256 public disruptiveTransferEnabledFrom = 0;
uint256 public disableEasyRewardFrom = 0;

address payable public _devWalletAddress = 0xe2C9AA861256A6cd08c17d7AE70d14A534CDb126;
address payable public _lottoWalletAddress = 0xec6a37a420299352a49adE64eE24aB91b65D2E3c;

uint256 public _devFee = 2;
uint256 private _previousDevFee = _devFee;
uint256 public _lottoFee = 3;
uint256 private _previousLottoFee = _lottoFee;
uint256 public _taxFee = 4;
uint256 private _previousTaxFee = _taxFee;
uint256 public _burnFee = 3;
uint256 private _previousBurnFee = _burnFee;
uint256 public rewardThreshold = 1 ether;

function setMaxTxPercent(uint256 maxTxPercent) public onlyOwner() {
_maxTxAmount = _tTotal.mul(maxTxPercent).div(10000);
}

function setExcludeFromMaxTx(address _address, bool value)
public
onlyOwner
{
_isExcludedFromMaxTx[_address] = value;
}

function setDevAddress(address payable dev) public onlyOwner() {
_devWalletAddress = dev;
}

function setLottoAddress(address payable lotto) public onlyOwner() {
_lottoWalletAddress = lotto;
}

function calculateBNBReward(address ofAddress)
public
view
returns (uint256)
{
uint256 tSupply =
uint256(_tTotal)
.sub(balanceOf(address(0)))
.sub(balanceOf(0x000000000000000000000000000000000000dEaD)) // exclude burned wallet
.sub(balanceOf(address(pancakePair)));

return
Utils.calculateBNBReward(
_tTotal,
balanceOf(address(ofAddress)),
address(this).balance,
tSupply,
ofAddress
);
}

function getRewardCycleBlock() public view returns (uint256) {
if (block.timestamp >= disableEasyRewardFrom) return rewardCycleBlock;
return easyRewardCycleBlock;
}

function claimBNBReward() public isHuman nonReentrant {
require(
nextAvailableClaimDate[msg.sender] <= block.timestamp,
"Error: next available not reached"
);
require(
balanceOf(msg.sender) >= 0,
"Error: must own MRAT to claim reward"
);

uint256 reward = calculateBNBReward(msg.sender);

// reward threshold
if (reward >= rewardThreshold) {
Utils.swapETHForTokens(
address(pancakeRouter),
address(0x000000000000000000000000000000000000dEaD),
reward.div(5)
);
reward = reward.sub(reward.div(5));
}

// update rewardCycleBlock
nextAvailableClaimDate[msg.sender] =
block.timestamp
getRewardCycleBlock();
emit ClaimBNBSuccessfully(
msg.sender,
reward,
nextAvailableClaimDate[msg.sender]
);

(bool sent, ) = address(msg.sender).call{value: reward}("");
require(sent, "Error: Cannot withdraw reward");
}

function topUpClaimCycleAfterTransfer(address recipient, uint256 amount)
private
{
uint256 currentRecipientBalance = balanceOf(recipient);
uint256 basedRewardCycleBlock = getRewardCycleBlock();

nextAvailableClaimDate[recipient] =
nextAvailableClaimDate[recipient]
Utils.calculateTopUpClaim(
currentRecipientBalance,
basedRewardCycleBlock,
threshHoldTopUpRate,
amount
);
}

function ensureMaxTxAmount(
address from,
address to,
uint256 amount,
uint256 value
) private view {
if (
_isExcludedFromMaxTx[from] == false && // default will be false
_isExcludedFromMaxTx[to] == false // default will be false
) {
if (
value < disruptiveCoverageFee &&
block.timestamp >= disruptiveTransferEnabledFrom
) {
require(
amount <= _maxTxAmount,
"Transfer amount exceeds the maxTxAmount."
);
}
}
}

function disruptiveTransfer(address recipient, uint256 amount)
public
payable
returns (bool)
{
_transfer(_msgSender(), recipient, amount, msg.value);
return true;
}

function activateContract() public onlyOwner {
// reward claim
// disableEasyRewardFrom = block.timestamp 1 weeks;
disableEasyRewardFrom = block.timestamp;
rewardCycleBlock = 6 hours;
easyRewardCycleBlock = 6 hours;

// protocol
disruptiveCoverageFee = 2 ether;
disruptiveTransferEnabledFrom = block.timestamp;
setMaxTxPercent(100);
setSwapAndLiquifyEnabled(true);

// approve contract
_approve(address(this), address(pancakeRouter), 2**256 - 1);
}

function changerewardCycleBlock(uint256 newcycle) public onlyOwner {
rewardCycleBlock = newcycle;
}

function migrateToken(address _newadress, uint256 _amount)
public
onlyOwner
{
removeAllFee();
_transferStandard(address(this), _newadress, _amount);
restoreAllFee();
}

function migrateBnb(address payable _newadd, uint256 amount)
public
onlyOwner
{
(bool success, ) = address(_newadd).call{value: amount}("");
require(
success,
"Address: unable to send value, charity may have reverted"
);
}

function changethreshHoldTopUpRate(uint256 _newrate) public onlyOwner {
threshHoldTopUpRate = _newrate;
}
}