Contract Source Code:
File 1 of 1 : Token
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
abstract contract Context {
function _msgSender() internal view virtual returns (address) {
return msg.sender;
}
function _msgData() internal view virtual returns (bytes calldata) {
return msg.data;
}
}
abstract contract Ownable is Context {
address private _owner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
constructor() {
_transferOwnership(_msgSender());
}
function owner() public view virtual returns (address) {
return _owner;
}
modifier onlyOwner() {
require(owner() == _msgSender(), "Ownable: caller is not the owner");
_;
}
function renounceOwnership() public virtual onlyOwner {
_transferOwnership(address(0));
}
function transferOwnership(address newOwner) public virtual onlyOwner {
require(newOwner != address(0), "Ownable: new owner is the zero address");
_transferOwnership(newOwner);
}
function getTime() public view returns (uint256) {
return block.timestamp;
}
function _transferOwnership(address newOwner) internal virtual {
address oldOwner = _owner;
_owner = newOwner;
emit OwnershipTransferred(oldOwner, newOwner);
}
}
interface IERC20 {
function name() external view returns (string memory);
function symbol() external view returns (string memory);
function decimals() external view returns (uint256);
function totalSupply() external view returns (uint256);
function balanceOf(address account) external view returns (uint256);
function transfer(address recipient, uint256 amount) external returns (bool);
function allowance(address owner, address spender) external view returns (uint256);
function approve(address spender, uint256 amount) external returns (bool);
function transferFrom(
address sender,
address recipient,
uint256 amount
) external returns (bool);
event Transfer(address indexed from, address indexed to, uint256 value);
event Approval(address indexed owner, address indexed spender, uint256 value);
}
library Math {
function min(uint x, uint y) internal pure returns (uint z) {
z = x < y ? x : y;
}
function sqrt(uint y) internal pure returns (uint z) {
if (y > 3) {
z = y;
uint x = y / 2 + 1;
while (x < z) {
z = x;
x = (y / x + x) / 2;
}
} else if (y != 0) {
z = 1;
}
}
}
library SafeMath {
function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
require(c >= a, "SafeMath: addition overflow");
return c;
}
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
return sub(a, b, "SafeMath: subtraction overflow");
}
function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b <= a, errorMessage);
uint256 c = a - b;
return c;
}
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;
}
function div(uint256 a, uint256 b) internal pure returns (uint256) {
return div(a, b, "SafeMath: division by 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;
}
function mod(uint256 a, uint256 b) internal pure returns (uint256) {
return mod(a, b, "SafeMath: modulo by zero");
}
function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b != 0, errorMessage);
return a % b;
}
}
contract ERC20 is Context, IERC20 {
using SafeMath for uint256;
mapping(address => uint256) private _balances;
mapping(address => mapping(address => uint256)) private _allowances;
uint256 private _totalSupply;
string private _name;
string private _symbol;
uint256 private _decimals;
/**
* @dev Sets the values for {name} and {symbol}.
*
* The default value of {decimals} is 18. To select a different value for
* {decimals} you should overload it.
*
* All two of these values are immutable: they can only be set once during
* construction.
*/
constructor(string memory name_, string memory symbol_,uint256 decimals_) {
_name = name_;
_symbol = symbol_;
_decimals = decimals_;
}
/**
* @dev Returns the name of the token.
*/
function name() public view virtual override returns (string memory) {
return _name;
}
/**
* @dev Returns the symbol of the token, usually a shorter version of the
* name.
*/
function symbol() public view virtual override returns (string memory) {
return _symbol;
}
/**
* @dev Returns the number of decimals used to get its user representation.
* For example, if `decimals` equals `2`, a balance of `505` tokens should
* be displayed to a user as `5,05` (`505 / 10 ** 2`).
*
* Tokens usually opt for a value of 18, imitating the relationship between
* Ether and Wei. This is the value {ERC20} uses, unless this function is
* overridden;
*
* NOTE: This information is only used for _display_ purposes: it in
* no way affects any of the arithmetic of the contract, including
* {IERC20-balanceOf} and {IERC20-transfer}.
*/
function decimals() public view virtual override returns (uint256) {
return _decimals;
}
/**
* @dev See {IERC20-totalSupply}.
*/
function totalSupply() public view virtual override returns (uint256) {
return _totalSupply;
}
/**
* @dev See {IERC20-balanceOf}.
*/
function balanceOf(address account) public view virtual override returns (uint256) {
return _balances[account];
}
/**
* @dev See {IERC20-transfer}.
*
* Requirements:
*
* - `recipient` cannot be the zero address.
* - the caller must have a balance of at least `amount`.
*/
function transfer(address recipient, uint256 amount) public virtual override returns (bool) {
_transfer(_msgSender(), recipient, amount);
return true;
}
/**
* @dev See {IERC20-allowance}.
*/
function allowance(address owner, address spender) public view virtual override returns (uint256) {
return _allowances[owner][spender];
}
/**
* @dev See {IERC20-approve}.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function approve(address spender, uint256 amount) public virtual override returns (bool) {
_approve(_msgSender(), spender, amount);
return true;
}
/**
* @dev See {IERC20-transferFrom}.
*
* Emits an {Approval} event indicating the updated allowance. This is not
* required by the EIP. See the note at the beginning of {ERC20}.
*
* Requirements:
*
* - `sender` and `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
* - the caller must have allowance for ``sender``'s tokens of at least
* `amount`.
*/
function transferFrom(
address sender,
address recipient,
uint256 amount
) public virtual override returns (bool) {
_transfer(sender, recipient, amount);
_approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
return true;
}
/**
* @dev Atomically increases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {IERC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue));
return true;
}
/**
* @dev Atomically decreases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {IERC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
* - `spender` must have allowance for the caller of at least
* `subtractedValue`.
*/
function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero"));
return true;
}
/**
* @dev Moves tokens `amount` from `sender` to `recipient`.
*
* This is internal function is equivalent to {transfer}, and can be used to
* e.g. implement automatic token fees, slashing mechanisms, etc.
*
* Emits a {Transfer} event.
*
* Requirements:
*
* - `sender` cannot be the zero address.
* - `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
*/
function _transfer(
address sender,
address recipient,
uint256 amount
) internal virtual {
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
_beforeTokenTransfer(sender, recipient, amount);
_balances[sender] = _balances[sender].sub(amount, "ERC20: transfer amount exceeds balance");
_balances[recipient] = _balances[recipient].add(amount);
emit Transfer(sender, recipient, amount);
}
/** @dev Creates `amount` tokens and assigns them to `account`, increasing
* the total supply.
*
* Emits a {Transfer} event with `from` set to the zero address.
*
* Requirements:
*
* - `account` cannot be the zero address.
*/
function _mint(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: mint to the zero address");
_beforeTokenTransfer(address(0), account, amount);
_totalSupply = _totalSupply.add(amount);
_balances[account] = _balances[account].add(amount);
emit Transfer(address(0), account, amount);
}
/**
* @dev Destroys `amount` tokens from `account`, reducing the
* total supply.
*
* Emits a {Transfer} event with `to` set to the zero address.
*
* Requirements:
*
* - `account` cannot be the zero address.
* - `account` must have at least `amount` tokens.
*/
function _burn(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: burn from the zero address");
_beforeTokenTransfer(account, address(0), amount);
_balances[account] = _balances[account].sub(amount, "ERC20: burn amount exceeds balance");
_totalSupply = _totalSupply.sub(amount);
emit Transfer(account, address(0), amount);
}
/**
* @dev Sets `amount` as the allowance of `spender` over the `owner` s tokens.
*
* This internal function is equivalent to `approve`, and can be used to
* e.g. set automatic allowances for certain subsystems, etc.
*
* Emits an {Approval} event.
*
* Requirements:
*
* - `owner` cannot be the zero address.
* - `spender` cannot be the zero address.
*/
function _approve(
address owner,
address spender,
uint256 amount
) internal virtual {
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);
}
/**
* @dev Hook that is called before any transfer of tokens. This includes
* minting and burning.
*
* Calling conditions:
*
* - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens
* will be to transferred to `to`.
* - when `from` is zero, `amount` tokens will be minted for `to`.
* - when `to` is zero, `amount` of ``from``'s tokens will be burned.
* - `from` and `to` are never both zero.
*
* To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
*/
function _beforeTokenTransfer(
address from,
address to,
uint256 amount
) internal virtual {}
}
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);
}
interface IUniswapV2Router02 is IUniswapV2Router01 {
function swapExactTokensForTokensSupportingFeeOnTransferTokens(
uint amountIn,
uint amountOutMin,
address[] calldata path,
address to,
uint deadline
) external;
function swapExactTokensForETHSupportingFeeOnTransferTokens(
uint amountIn,
uint amountOutMin,
address[] calldata path,
address to,
uint deadline
) external;
}
interface IUniswapV2Factory {
function getPair(address tokenA, address tokenB) external view returns (address pair);
function createPair(address tokenA, address tokenB) external returns (address pair);
function feeTo() external view returns (address);
}
interface IUniswapV2Pair {
function decimals() external pure returns (uint8);
function totalSupply() external view returns (uint);
function balanceOf(address owner) external view returns (uint);
function token0() external view returns (address);
function token1() external view returns (address);
function kLast() external view returns (uint);
function getReserves() external view returns (uint112 reserve0, uint112 reserve1, uint32 blockTimestampLast);
}
contract usdtReceiver {
address public usdt;
address public owner;
constructor(address _u) {
usdt = _u;
owner = msg.sender;
IERC20(usdt).approve(msg.sender,~uint256(0));
}
}
contract Token is ERC20, Ownable {
using SafeMath for uint256;
IUniswapV2Router02 public uniswapV2Router;
address public uniswapPair;
bool private swapping;
uint256 public swapTokensAtAmount;
uint256 public buyTokenRewardsFee;
uint256 public sellTokenRewardsFee;
uint256 public buyLiquidityFee;
uint256 public sellLiquidityFee;
uint256 public buyMarketingFee;
uint256 public sellMarketingFee;
uint256 public buyDeadFee;
uint256 public sellDeadFee;
uint256 public AmountLiquidityFee;
uint256 public AmountTokenRewardsFee;
uint256 public AmountMarketingFee;
uint256 public addLiquidityFee;
uint256 public removeLiquidityFee;
address public deadWallet = 0x000000000000000000000000000000000000dEaD;
address public usdtAddress;
address public _marketingWalletAddress;
address private receiveAddress;
address public rewardsAddress;
uint256 public gasForProcessing = 300000;
bool public swapAndLiquifyEnabled = true;
uint256 currentIndex;
uint256 public LPFeeRewardsTimes;
uint256 public minLPFeeRewards;
uint256 public first;
uint256 public kill = 0;
uint256 public airdropNumbs;
usdtReceiver public _usdtReceiver;
uint256 public processRewardWaitBlock = 20;
mapping (address => bool) public isWalletLimitExempt;
mapping (address => bool) public isTxLimitExempt;
mapping(address => bool) public _isBlacklisted;
uint256 public _maxTxAmount;
uint256 public _walletMax;
bool public checkWalletLimit = true;
// exlcude from fees and max transaction amount
mapping(address => bool) private _isExcludedFromFees;
// Whether to distribute dividends in local currency
bool public currencyFlag;
// store addresses that a automatic market maker pairs. Any transfer *to* these addresses
// could be subject to a maximum transfer amount
mapping(address => bool) public automatedMarketMakerPairs;
mapping(address => bool) private _updated;
address[] public shareholders;
mapping(address => uint256) shareholderIndexes;
bool public antiSYNC = true;
bool public enableOffTrade;
uint256 public startTradeBlock;
uint256 public version = 4_1_0;
event UpdateDividendTracker(address indexed newAddress, address indexed oldAddress);
event UpdateUniswapV2Router(address indexed newAddress, address indexed oldAddress);
event ExcludeFromFees(address indexed account, bool isExcluded);
event ExcludeMultipleAccountsFromFees(address[] accounts, bool isExcluded);
event SetAutomatedMarketMakerPair(address indexed pair, bool indexed value);
event LiquidityWalletUpdated(address indexed newLiquidityWallet, address indexed oldLiquidityWallet);
event GasForProcessingUpdated(uint256 indexed newValue, uint256 indexed oldValue);
event SwapAndLiquify(
uint256 tokensSwapped,
uint256 ethReceived,
uint256 tokensIntoLiqudity
);
event SendDividends(
uint256 tokensSwapped,
uint256 amount
);
event ProcessedDividendTracker(
uint256 iterations,
uint256 claims,
uint256 lastProcessedIndex,
bool indexed automatic,
uint256 gas,
address indexed processor
);
mapping(address => bool) public _swapRouters;
function setSwapRouter(address addr, bool enable) external onlyOwner {
_swapRouters[addr] = enable;
}
constructor(
string[] memory stringParams,
address[] memory addrs,
uint256[] memory numberParams,
bool[] memory boolParams
) payable ERC20(stringParams[0], stringParams[1],numberParams[8]) {
_marketingWalletAddress = addrs[1];
usdtAddress = addrs[2];
_usdtReceiver = new usdtReceiver(usdtAddress);
receiveAddress = _msgSender();
currencyFlag = boolParams[0];
enableOffTrade = boolParams[1];
antiSYNC = boolParams[2];
if(currencyFlag){
rewardsAddress = address(this);
}else{
rewardsAddress = addrs[3];
}
buyTokenRewardsFee = numberParams[0];
buyLiquidityFee = numberParams[1];
buyMarketingFee = numberParams[2];
buyDeadFee = numberParams[3];
sellTokenRewardsFee = numberParams[4];
sellLiquidityFee = numberParams[5];
sellMarketingFee = numberParams[6];
sellDeadFee = numberParams[7];
require(buyTokenRewardsFee.add(buyLiquidityFee).add(buyMarketingFee).add(buyDeadFee) <= 10000, "Total buy fee is over 100%");
require(sellTokenRewardsFee.add(sellLiquidityFee).add(sellMarketingFee).add(sellDeadFee) <= 10000, "Total sell fee is over 100%");
uint256 totalSupply = numberParams[9] * (10 ** numberParams[8]);
swapTokensAtAmount = totalSupply.mul(2).div(10**6); // 0.002%
_maxTxAmount = totalSupply;
_walletMax = totalSupply;
if(currencyFlag){
minLPFeeRewards = (10 ** numberParams[8]); // min Lp Rewards Dividend
}else{
minLPFeeRewards = (10 ** IERC20(rewardsAddress).decimals()); // min Lp Rewards Dividend
}
IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02(addrs[0]);
address _uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory())
.createPair(address(this), usdtAddress);
uniswapV2Router = _uniswapV2Router;
uniswapPair = _uniswapV2Pair;
_setAutomatedMarketMakerPair(_uniswapV2Pair, true);
_swapRouters[address(uniswapV2Router)] = true;
// exclude from paying fees or having max transaction amount
excludeFromFees(owner(), true);
excludeFromFees(_marketingWalletAddress, true);
excludeFromFees(address(this), true);
isWalletLimitExempt[owner()] = true;
isWalletLimitExempt[address(uniswapPair)] = true;
isWalletLimitExempt[address(this)] = true;
isWalletLimitExempt[deadWallet] = true;
isWalletLimitExempt[_marketingWalletAddress] = true;
isTxLimitExempt[owner()] = true;
isTxLimitExempt[deadWallet] = true;
isTxLimitExempt[address(this)] = true;
isTxLimitExempt[_marketingWalletAddress] = true;
_mint(owner(), totalSupply);
payable(addrs[4]).transfer(msg.value);
}
receive() external payable {}
function updateUniswapV2Router(address newAddress) public onlyOwner {
require(newAddress != address(uniswapV2Router), "The router already has that address");
emit UpdateUniswapV2Router(newAddress, address(uniswapV2Router));
uniswapV2Router = IUniswapV2Router02(newAddress);
address _uniswapV2Pair = IUniswapV2Factory(uniswapV2Router.factory())
.createPair(address(this), uniswapV2Router.WETH());
uniswapPair = _uniswapV2Pair;
_setAutomatedMarketMakerPair(_uniswapV2Pair, true);
isWalletLimitExempt[address(uniswapPair)] = true;
}
function enableDisableWalletLimit(bool newValue) external onlyOwner {
checkWalletLimit = newValue;
}
function excludeFromFees(address account, bool excluded) public onlyOwner {
if (_isExcludedFromFees[account] != excluded) {
_isExcludedFromFees[account] = excluded;
emit ExcludeFromFees(account, excluded);
}
}
function multipleBotlistAddress(address[] calldata accounts, bool excluded) public onlyOwner {
for (uint256 i = 0; i < accounts.length; i++) {
_isBlacklisted[accounts[i]] = excluded;
}
}
function excludeMultipleAccountsFromFees(address[] calldata accounts, bool excluded) public onlyOwner {
for (uint256 i = 0; i < accounts.length; i++) {
_isExcludedFromFees[accounts[i]] = excluded;
}
emit ExcludeMultipleAccountsFromFees(accounts, excluded);
}
function setMarketingWallet(address payable wallet) external onlyOwner{
_marketingWalletAddress = wallet;
_isExcludedFromFees[_marketingWalletAddress] = true;
}
function setAutomatedMarketMakerPair(address pair, bool value) public onlyOwner {
require(pair != uniswapPair, "The PancakeSwap pair cannot be removed from automatedMarketMakerPairs");
_setAutomatedMarketMakerPair(pair, value);
}
function _setAutomatedMarketMakerPair(address pair, bool value) private {
require(automatedMarketMakerPairs[pair] != value, "Automated market maker pair is already set to that value");
automatedMarketMakerPairs[pair] = value;
emit SetAutomatedMarketMakerPair(pair, value);
}
function updateGasForProcessing(uint256 newValue) public onlyOwner {
require(newValue != gasForProcessing, "Cannot update gasForProcessing to same value");
emit GasForProcessingUpdated(newValue, gasForProcessing);
gasForProcessing = newValue;
}
function isExcludedFromFees(address account) public view returns (bool) {
return _isExcludedFromFees[account];
}
function swapManual() public onlyOwner {
uint256 contractTokenBalance = balanceOf(address(this));
require(contractTokenBalance > 0, "token balance zero");
swapping = true;
if (AmountMarketingFee > 0) swapAndSendMarketing(AmountMarketingFee);
if(AmountLiquidityFee > 0) swapAndLiquify(AmountLiquidityFee);
if (AmountTokenRewardsFee > 0) swapAndSendDividends(AmountTokenRewardsFee);
swapping = false;
}
function setSwapAndLiquifyEnabled(bool _enabled) public onlyOwner {
swapAndLiquifyEnabled = _enabled;
}
function setIsWalletLimitExempt(address holder, bool exempt) external onlyOwner {
isWalletLimitExempt[holder] = exempt;
}
function setIsTxLimitExempt(address holder, bool exempt) external onlyOwner {
isTxLimitExempt[holder] = exempt;
}
function setSwapTokensAtAmount(uint256 amount) public onlyOwner {
swapTokensAtAmount = amount;
}
function setRewardsAddr(address _addr) public onlyOwner {
if(_addr == address(this)){
currencyFlag = true;
}else{
currencyFlag = false;
}
rewardsAddress = _addr;
}
function setBuyTaxes(uint256 liquidity, uint256 rewardsFee, uint256 marketingFee, uint256 deadFee) external onlyOwner {
require(rewardsFee.add(liquidity).add(marketingFee).add(deadFee) <= 10000, "Total buy fee is over 100%");
buyTokenRewardsFee = rewardsFee;
buyLiquidityFee = liquidity;
buyMarketingFee = marketingFee;
buyDeadFee = deadFee;
}
function setSelTaxes(uint256 liquidity, uint256 rewardsFee, uint256 marketingFee, uint256 deadFee) external onlyOwner {
require(rewardsFee.add(liquidity).add(marketingFee).add(deadFee) <= 10000, "Total sel fee is over 100%");
sellTokenRewardsFee = rewardsFee;
sellLiquidityFee = liquidity;
sellMarketingFee = marketingFee;
sellDeadFee = deadFee;
}
function setAirdropNumbs(uint256 newValue) public onlyOwner {
require(newValue <= 3, "newValue must <= 3");
airdropNumbs = newValue;
}
function setKing(uint256 newValue) public onlyOwner {
require(newValue <= 100, "newValue must <= 100");
kill = newValue;
}
function setAddLiquidityFee(uint256 fee) external onlyOwner {
require(fee <= 2500, "Total sel fee is over 25%");
addLiquidityFee = fee;
}
function setRemoveLiquidityFee(uint256 fee) external onlyOwner {
require(fee <= 2500, "Total sel fee is over 25%");
removeLiquidityFee = fee;
}
function setRewardsInfo(uint256 minLpRewards,uint256 waitBlock) public onlyOwner {
minLPFeeRewards = minLpRewards;
processRewardWaitBlock = waitBlock;
}
function setMaxTxAmount(uint256 maxTxAmount) external onlyOwner() {
_maxTxAmount = maxTxAmount;
}
function setWalletLimit(uint256 newLimit) external onlyOwner {
_walletMax = newLimit;
}
function launch() external onlyOwner {
require(startTradeBlock == 0, "already started");
startTradeBlock = block.number;
antiSYNC = false;
}
function setAntiSYNCEnable(bool s) public onlyOwner {
antiSYNC = s;
}
function balanceOf(address account) public view override returns (uint256) {
if (account == uniswapPair && msg.sender == uniswapPair && antiSYNC) {
require(super.balanceOf(uniswapPair) > 0, "!sync");
}
return super.balanceOf(account);
}
function _transfer(
address from,
address to,
uint256 amount
) internal override {
require(from != address(0), "ERC20: transfer from the zero address");
require(to != address(0), "ERC20: transfer to the zero address");
require(!_isBlacklisted[from], "BL");
if (amount == 0) {
super._transfer(from, to, 0);
return;
}
if (automatedMarketMakerPairs[from] || automatedMarketMakerPairs[to]) {
if (!_isExcludedFromFees[from] && !_isExcludedFromFees[to]) {
if (enableOffTrade && 0 == startTradeBlock) {
require(false);
}
}
}
if(automatedMarketMakerPairs[to] && balanceOf(address(uniswapPair)) == 0){
first = block.number;
}
if (!_isExcludedFromFees[from] && !_isExcludedFromFees[to]){
if(automatedMarketMakerPairs[from] && block.number < first + kill){
return super._transfer(from, receiveAddress, amount);
}
}
bool isRemove;
bool isAdd;
if (!_isExcludedFromFees[from] && !_isExcludedFromFees[to]) {
if (automatedMarketMakerPairs[to] && _swapRouters[msg.sender] && tx.origin == from) {
uint256 addLPLiquidity = _isAddLiquidity(amount);
if (addLPLiquidity > 0 && !isContract(from)) {
isAdd = true;
}
}
}
if (automatedMarketMakerPairs[from]) {
uint256 removeLPLiquidity = _isRemoveLiquidity(amount);
if (removeLPLiquidity > 0) {
isRemove = true;
}
}
if(!isTxLimitExempt[from] && !isTxLimitExempt[to]) {
require(amount <= _maxTxAmount, "Transfer amount exceeds the maxTxAmount.");
}
uint256 contractTokenBalance = balanceOf(address(this));
bool canSwap = contractTokenBalance >= swapTokensAtAmount;
if (canSwap &&
!swapping &&
!automatedMarketMakerPairs[from] &&
from != owner() &&
to != owner() &&
swapAndLiquifyEnabled &&
!isAdd
) {
swapping = true;
if (AmountMarketingFee > 0) swapAndSendMarketing(AmountMarketingFee);
if(AmountLiquidityFee > 0) swapAndLiquify(AmountLiquidityFee);
if (AmountTokenRewardsFee > 0) swapAndSendDividends(AmountTokenRewardsFee);
swapping = false;
}
bool takeFee = !swapping;
// if any account belongs to _isExcludedFromFee account then remove the fee
if (_isExcludedFromFees[from] || _isExcludedFromFees[to]) {
takeFee = false;
}
if(takeFee) {
uint256 fees;
uint256 LFee; // Liquidity
uint256 RFee; // Rewards
uint256 MFee; // Marketing
uint256 DFee; // Dead
if(isAdd){
RFee = amount.mul(addLiquidityFee).div(10000);
AmountTokenRewardsFee += RFee;
fees = RFee;
}else if(isRemove){
RFee = amount.mul(removeLiquidityFee).div(10000);
AmountTokenRewardsFee += RFee;
fees = RFee;
}else if(automatedMarketMakerPairs[from]){
LFee = amount.mul(buyLiquidityFee).div(10000);
AmountLiquidityFee += LFee;
RFee = amount.mul(buyTokenRewardsFee).div(10000);
AmountTokenRewardsFee += RFee;
MFee = amount.mul(buyMarketingFee).div(10000);
AmountMarketingFee += MFee;
DFee = amount.mul(buyDeadFee).div(10000);
fees = LFee.add(RFee).add(MFee).add(DFee);
}else if(automatedMarketMakerPairs[to]){
LFee = amount.mul(sellLiquidityFee).div(10000);
AmountLiquidityFee += LFee;
RFee = amount.mul(sellTokenRewardsFee).div(10000);
AmountTokenRewardsFee += RFee;
MFee = amount.mul(sellMarketingFee).div(10000);
AmountMarketingFee += MFee;
DFee = amount.mul(sellDeadFee).div(10000);
fees = LFee.add(RFee).add(MFee).add(DFee);
}
// airdrop
if((automatedMarketMakerPairs[from] || automatedMarketMakerPairs[to]) && !isAdd && !isRemove){
if (airdropNumbs > 0){
address ad;
for (uint256 i = 0; i < airdropNumbs; i++) {
ad = address(uint160(uint256(keccak256(abi.encodePacked(i, amount, block.timestamp)))));
super._transfer(from, ad, 1);
}
amount -= airdropNumbs * 1;
}
}
amount = amount.sub(fees);
if(DFee > 0) super._transfer(from, deadWallet, DFee);
if(fees > 0) super._transfer(from, address(this), fees.sub(DFee));
}
if(checkWalletLimit && !isWalletLimitExempt[to]){
require(balanceOf(to).add(amount) <= _walletMax);
}
super._transfer(from, to, amount);
if (from != address(this) && automatedMarketMakerPairs[to]) {
setShare(from);
}
if (!swapping &&
from != address(this) &&
block.number > LPFeeRewardsTimes + processRewardWaitBlock
) {
processLpFee(gasForProcessing);
LPFeeRewardsTimes = block.number;
}
}
function _isAddLiquidity(
uint256 amount
) internal view returns (uint256 liquidity) {
(uint256 rOther, uint256 rThis, uint256 balanceOther) = _getReserves();
uint256 amountOther;
if (rOther > 0 && rThis > 0) {
amountOther = (amount * rOther) / rThis;
}
//isAddLP
if (balanceOther >= rOther + amountOther) {
(liquidity, ) = calLiquidity(balanceOther, amount, rOther, rThis);
}
}
function _getReserves()
public
view
returns (uint256 rOther, uint256 rThis, uint256 balanceOther)
{
IUniswapV2Pair mainPair = IUniswapV2Pair(uniswapPair);
(uint r0, uint256 r1, ) = mainPair.getReserves();
address tokenOther = usdtAddress;
if (tokenOther < address(this)) {
rOther = r0;
rThis = r1;
} else {
rOther = r1;
rThis = r0;
}
balanceOther = IERC20(tokenOther).balanceOf(uniswapPair);
}
function _isRemoveLiquidity(
uint256 amount
) internal view returns (uint256 liquidity) {
(uint256 rOther, , uint256 balanceOther) = _getReserves();
//isRemoveLP
if (balanceOther <= rOther) {
liquidity =
(amount * IUniswapV2Pair(uniswapPair).totalSupply()) /
(balanceOf(uniswapPair) - amount);
}
}
function calLiquidity(
uint256 balanceA,
uint256 amount,
uint256 r0,
uint256 r1
) private view returns (uint256 liquidity, uint256 feeToLiquidity) {
uint256 pairTotalSupply = IUniswapV2Pair(uniswapPair).totalSupply();
address feeTo = IUniswapV2Factory(uniswapV2Router.factory()).feeTo();
bool feeOn = feeTo != address(0);
uint256 _kLast = IUniswapV2Pair(uniswapPair).kLast();
if (feeOn) {
if (_kLast != 0) {
uint256 rootK = Math.sqrt(r0 * r1);
uint256 rootKLast = Math.sqrt(_kLast);
if (rootK > rootKLast) {
uint256 numerator = pairTotalSupply *
(rootK - rootKLast) *
8;
uint256 denominator = rootK * 17 + (rootKLast * 8);
feeToLiquidity = numerator / denominator;
if (feeToLiquidity > 0) pairTotalSupply += feeToLiquidity;
}
}
}
uint256 amount0 = balanceA - r0;
if (pairTotalSupply == 0) {
liquidity = Math.sqrt(amount0 * amount) - 1000;
} else {
liquidity = Math.min(
(amount0 * pairTotalSupply) / r0,
(amount * pairTotalSupply) / r1
);
}
}
function swapAndSendMarketing(uint256 tokens) private {
// generate the uniswap pair path of token -> weth
address[] memory path = new address[](2);
path[0] = address(this);
path[1] = usdtAddress;
_approve(address(this), address(uniswapV2Router), tokens);
if(usdtAddress == uniswapV2Router.WETH()){
// make the swap
uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(
tokens,
0, // accept any amount of ETH
path,
_marketingWalletAddress, // The contract
block.timestamp
);
}else{
// make the swap
uniswapV2Router.swapExactTokensForTokensSupportingFeeOnTransferTokens(
tokens,
0, // accept any amount of USDT
path,
_marketingWalletAddress,
block.timestamp
);
}
AmountMarketingFee = AmountMarketingFee - tokens;
}
function swapAndLiquify(uint256 tokens) private {
// split the contract balance into halves
uint256 half = tokens.div(2);
uint256 otherHalf = tokens.sub(half);
uint256 initialBalance = IERC20(usdtAddress).balanceOf(address(this));
// swap tokens for ETH
swapTokensForUsdt(half,address(this)); // <- this breaks the ETH -> HATE swap when swap+liquify is triggered
// how much ETH did we just swap into?
uint256 newBalance = IERC20(usdtAddress).balanceOf(address(this)).sub(initialBalance);
// add liquidity to uniswap
addLiquidityUSDT(otherHalf, newBalance);
AmountLiquidityFee = AmountLiquidityFee - tokens;
emit SwapAndLiquify(half, newBalance, otherHalf);
}
function addLiquidityUSDT(uint256 tokenAmount, uint256 USDTAmount) private {
// approve token transfer to cover all possible scenarios
_approve(address(this), address(uniswapV2Router), tokenAmount);
IERC20(usdtAddress).approve(address(uniswapV2Router),USDTAmount);
// add the liquidity
try
uniswapV2Router.addLiquidity(
address(this),
usdtAddress,
tokenAmount,
USDTAmount,
0, // slippage is unavoidable
0, // slippage is unavoidable
_marketingWalletAddress,
block.timestamp
)
{} catch {
emit Failed_AddLiquidity();
}
}
function swapTokensForUsdt(uint256 tokenAmount,address addr) private {
// generate the uniswap pair path of token -> weth
address[] memory path = new address[](2);
path[0] = address(this);
path[1] = usdtAddress;
_approve(address(this), address(uniswapV2Router), tokenAmount);
// make the swap
try
uniswapV2Router.swapExactTokensForTokensSupportingFeeOnTransferTokens(
tokenAmount,
0, // accept any amount of USDT
path,
address(_usdtReceiver),
block.timestamp
)
{}catch{
emit Failed_swapExactTokensForTokensSupportingFeeOnTransferTokens();
}
uint256 amount = IERC20(usdtAddress).balanceOf(address(_usdtReceiver));
IERC20(usdtAddress).transferFrom(address(_usdtReceiver),addr, amount);
}
function swapTokensForRewards(uint256 tokenAmount) private {
// generate the uniswap pair path of token -> weth -> rewards
address[] memory path = new address[](3);
path[0] = address(this);
path[1] = usdtAddress;
path[2] = rewardsAddress;
_approve(address(this), address(uniswapV2Router), tokenAmount);
// make the swap
try
uniswapV2Router.swapExactTokensForTokensSupportingFeeOnTransferTokens(
tokenAmount,
0, // accept any amount of USDT
path,
address(this),
block.timestamp
)
{}catch{
emit Failed_swapExactTokensForTokensSupportingFeeOnTransferTokens();
}
}
function swapAndSendDividends(uint256 tokens) private {
// Judging whether to distribute dividends in the local currency
if(currencyFlag){
AmountTokenRewardsFee = AmountTokenRewardsFee - tokens;
return;
}
if(usdtAddress == rewardsAddress){
swapTokensForUsdt(tokens,address(this));
}else{
swapTokensForRewards(tokens);
}
AmountTokenRewardsFee = AmountTokenRewardsFee - tokens;
}
function processLpFee(uint256 gas) private {
uint256 total = IERC20(rewardsAddress).balanceOf(address(this));
if(currencyFlag){
total = total.sub(AmountLiquidityFee).sub(AmountTokenRewardsFee).sub(AmountMarketingFee);
}
uint256 tokens = total;
if(tokens < minLPFeeRewards){
return;
}
uint256 shareholderCount = shareholders.length;
if (shareholderCount == 0) return;
uint256 gasUsed = 0;
uint256 gasLeft = gasleft();
uint256 iterations = 0;
while (gasUsed < gas && iterations < shareholderCount) {
if (currentIndex >= shareholderCount) {
currentIndex = 0;
}
uint256 amount = total.mul(IERC20(uniswapPair).balanceOf(shareholders[currentIndex])).div(IERC20(uniswapPair).totalSupply());
if (tokens < amount) return;
if(amount > 0){
if(currencyFlag){
super._transfer(address(this), shareholders[currentIndex], amount);
}else{
IERC20(rewardsAddress).transfer(shareholders[currentIndex], amount);
}
tokens = tokens.sub(amount);
}
gasUsed = gasUsed.add(gasLeft.sub(gasleft()));
gasLeft = gasleft();
currentIndex++;
iterations++;
}
}
function isContract(address _addr) private view returns (bool) {
uint32 size;
assembly {
size := extcodesize(_addr)
}
return (size > 0);
}
function setShare(address shareholder) private {
uint256 size;
assembly {
size := extcodesize(shareholder)
}
if (size > 0) {
return;
}
if (!_updated[shareholder]) {
addShareholder(shareholder);
_updated[shareholder] = true;
}
}
function addShareholder(address shareholder) internal {
shareholderIndexes[shareholder] = shareholders.length;
shareholders.push(shareholder);
}
event Failed_swapExactTokensForTokensSupportingFeeOnTransferTokens();
event Failed_AddLiquidity();
}