文件 1 的 1:DividendTracker.sol
pragma solidity 0.8.13;
abstract contract Context {
function _msgSender() internal view virtual returns (address) {
return msg.sender;
}
function _msgData() internal view virtual returns (bytes calldata) {
this;
return msg.data;
}
}
interface IUniswapV2Factory {
function createPair(address tokenA, address tokenB) external returns (address pair);
}
interface IERC20 {
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);
}
interface IERC20Metadata is IERC20 {
function name() external view returns (string memory);
function symbol() external view returns (string memory);
function decimals() external view returns (uint8);
}
contract ERC20 is Context, IERC20, IERC20Metadata {
mapping(address => uint256) private _balances;
mapping(address => mapping(address => uint256)) private _allowances;
uint256 private _totalSupply;
string private _name;
string private _symbol;
constructor(string memory name_, string memory symbol_) {
_name = name_;
_symbol = symbol_;
}
function name() public view virtual override returns (string memory) {
return _name;
}
function symbol() public view virtual override returns (string memory) {
return _symbol;
}
function decimals() public view virtual override returns (uint8) {
return 18;
}
function totalSupply() public view virtual override returns (uint256) {
return _totalSupply;
}
function balanceOf(address account) public view virtual override returns (uint256) {
return _balances[account];
}
function transfer(address recipient, uint256 amount) public virtual override returns (bool) {
_transfer(_msgSender(), recipient, amount);
return true;
}
function allowance(address owner, address spender) public view virtual override returns (uint256) {
return _allowances[owner][spender];
}
function approve(address spender, uint256 amount) public virtual override returns (bool) {
_approve(_msgSender(), spender, amount);
return true;
}
function transferFrom(
address sender,
address recipient,
uint256 amount
) public virtual override returns (bool) {
_transfer(sender, recipient, amount);
uint256 currentAllowance = _allowances[sender][_msgSender()];
require(currentAllowance >= amount, "ERC20: transfer amount exceeds allowance");
unchecked {
_approve(sender, _msgSender(), currentAllowance - amount);
}
return true;
}
function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender] + addedValue);
return true;
}
function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {
uint256 currentAllowance = _allowances[_msgSender()][spender];
require(currentAllowance >= subtractedValue, "ERC20: decreased allowance below zero");
unchecked {
_approve(_msgSender(), spender, currentAllowance - subtractedValue);
}
return true;
}
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");
uint256 senderBalance = _balances[sender];
require(senderBalance >= amount, "ERC20: transfer amount exceeds balance");
unchecked {
_balances[sender] = senderBalance - amount;
}
_balances[recipient] += amount;
emit Transfer(sender, recipient, amount);
}
function _createInitialSupply(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: mint to the zero address");
_totalSupply += amount;
_balances[account] += amount;
emit Transfer(address(0), account, amount);
}
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);
}
}
interface DividendPayingTokenOptionalInterface {
function withdrawableDividendOf(address _owner, address _rewardToken) external view returns(uint256);
function withdrawnDividendOf(address _owner, address _rewardToken) external view returns(uint256);
function accumulativeDividendOf(address _owner, address _rewardToken) external view returns(uint256);
}
interface DividendPayingTokenInterface {
function dividendOf(address _owner, address _rewardToken) external view returns(uint256);
function distributeDividends() external payable;
function withdrawDividend(address _rewardToken) external;
event DividendsDistributed(
address indexed from,
uint256 weiAmount
);
event DividendWithdrawn(
address indexed to,
uint256 weiAmount
);
}
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) {
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;
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 Ownable is Context {
address private _owner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
constructor () {
address msgSender = _msgSender();
_owner = msgSender;
emit OwnershipTransferred(address(0), msgSender);
}
function owner() public view returns (address) {
return _owner;
}
modifier onlyOwner() {
require(_owner == _msgSender(), "Ownable: caller is not the owner");
_;
}
function renounceOwnership() public virtual onlyOwner {
emit OwnershipTransferred(_owner, address(0));
_owner = address(0);
}
function transferOwnership(address newOwner) public virtual onlyOwner {
require(newOwner != address(0), "Ownable: new owner is the zero address");
emit OwnershipTransferred(_owner, newOwner);
_owner = newOwner;
}
}
library SafeMathInt {
int256 private constant MIN_INT256 = int256(1) << 255;
int256 private constant MAX_INT256 = ~(int256(1) << 255);
function mul(int256 a, int256 b) internal pure returns (int256) {
int256 c = a * b;
require(c != MIN_INT256 || (a & MIN_INT256) != (b & MIN_INT256));
require((b == 0) || (c / b == a));
return c;
}
function div(int256 a, int256 b) internal pure returns (int256) {
require(b != -1 || a != MIN_INT256);
return a / b;
}
function sub(int256 a, int256 b) internal pure returns (int256) {
int256 c = a - b;
require((b >= 0 && c <= a) || (b < 0 && c > a));
return c;
}
function add(int256 a, int256 b) internal pure returns (int256) {
int256 c = a + b;
require((b >= 0 && c >= a) || (b < 0 && c < a));
return c;
}
function abs(int256 a) internal pure returns (int256) {
require(a != MIN_INT256);
return a < 0 ? -a : a;
}
function toUint256Safe(int256 a) internal pure returns (uint256) {
require(a >= 0);
return uint256(a);
}
}
library SafeMathUint {
function toInt256Safe(uint256 a) internal pure returns (int256) {
int256 b = int256(a);
require(b >= 0);
return b;
}
}
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);
}
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;
}
contract DividendPayingToken is DividendPayingTokenInterface, DividendPayingTokenOptionalInterface, Ownable {
using SafeMath for uint256;
using SafeMathUint for uint256;
using SafeMathInt for int256;
uint256 constant internal magnitude = 2**128;
mapping(address => uint256) internal magnifiedDividendPerShare;
address[] public rewardTokens;
address public nextRewardToken;
uint256 public rewardTokenCounter;
IUniswapV2Router02 public immutable uniswapV2Router;
mapping(address => mapping(address => int256)) internal magnifiedDividendCorrections;
mapping(address => mapping(address => uint256)) internal withdrawnDividends;
mapping (address => uint256) public holderBalance;
uint256 public totalBalance;
mapping(address => uint256) public totalDividendsDistributed;
constructor(){
IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
uniswapV2Router = _uniswapV2Router;
rewardTokens.push(address(0xa00453052A36D43A99Ac1ca145DFe4A952cA33B8));
nextRewardToken = rewardTokens[0];
}
receive() external payable {
distributeDividends();
}
function distributeDividends() public override payable {
require(totalBalance > 0);
uint256 initialBalance = IERC20(nextRewardToken).balanceOf(address(this));
buyTokens(msg.value, nextRewardToken);
uint256 newBalance = IERC20(nextRewardToken).balanceOf(address(this)).sub(initialBalance);
if (newBalance > 0) {
magnifiedDividendPerShare[nextRewardToken] = magnifiedDividendPerShare[nextRewardToken].add(
(newBalance).mul(magnitude) / totalBalance
);
emit DividendsDistributed(msg.sender, newBalance);
totalDividendsDistributed[nextRewardToken] = totalDividendsDistributed[nextRewardToken].add(newBalance);
}
rewardTokenCounter = rewardTokenCounter == rewardTokens.length - 1 ? 0 : rewardTokenCounter + 1;
nextRewardToken = rewardTokens[rewardTokenCounter];
}
function buyTokens(uint256 bnbAmountInWei, address rewardToken) internal {
address[] memory path = new address[](2);
path[0] = uniswapV2Router.WETH();
path[1] = rewardToken;
uniswapV2Router.swapExactETHForTokensSupportingFeeOnTransferTokens{value: bnbAmountInWei}(
0,
path,
address(this),
block.timestamp
);
}
function withdrawDividend(address _rewardToken) external virtual override {
_withdrawDividendOfUser(payable(msg.sender), _rewardToken);
}
function _withdrawDividendOfUser(address payable user, address _rewardToken) internal returns (uint256) {
uint256 _withdrawableDividend = withdrawableDividendOf(user, _rewardToken);
if (_withdrawableDividend > 0) {
withdrawnDividends[user][_rewardToken] = withdrawnDividends[user][_rewardToken].add(_withdrawableDividend);
emit DividendWithdrawn(user, _withdrawableDividend);
IERC20(_rewardToken).transfer(user, _withdrawableDividend);
return _withdrawableDividend;
}
return 0;
}
function dividendOf(address _owner, address _rewardToken) external view override returns(uint256) {
return withdrawableDividendOf(_owner, _rewardToken);
}
function withdrawableDividendOf(address _owner, address _rewardToken) public view override returns(uint256) {
return accumulativeDividendOf(_owner,_rewardToken).sub(withdrawnDividends[_owner][_rewardToken]);
}
function withdrawnDividendOf(address _owner, address _rewardToken) external view override returns(uint256) {
return withdrawnDividends[_owner][_rewardToken];
}
function accumulativeDividendOf(address _owner, address _rewardToken) public view override returns(uint256) {
return magnifiedDividendPerShare[_rewardToken].mul(holderBalance[_owner]).toInt256Safe()
.add(magnifiedDividendCorrections[_rewardToken][_owner]).toUint256Safe() / magnitude;
}
function _increase(address account, uint256 value) internal {
for (uint256 i; i < rewardTokens.length; i++){
magnifiedDividendCorrections[rewardTokens[i]][account] = magnifiedDividendCorrections[rewardTokens[i]][account]
.sub((magnifiedDividendPerShare[rewardTokens[i]].mul(value)).toInt256Safe());
}
}
function _reduce(address account, uint256 value) internal {
for (uint256 i; i < rewardTokens.length; i++){
magnifiedDividendCorrections[rewardTokens[i]][account] = magnifiedDividendCorrections[rewardTokens[i]][account]
.add( (magnifiedDividendPerShare[rewardTokens[i]].mul(value)).toInt256Safe() );
}
}
function _setBalance(address account, uint256 newBalance) internal {
uint256 currentBalance = holderBalance[account];
holderBalance[account] = newBalance;
if(newBalance > currentBalance) {
uint256 increaseAmount = newBalance.sub(currentBalance);
_increase(account, increaseAmount);
totalBalance += increaseAmount;
} else if(newBalance < currentBalance) {
uint256 reduceAmount = currentBalance.sub(newBalance);
_reduce(account, reduceAmount);
totalBalance -= reduceAmount;
}
}
}
contract DividendTracker is DividendPayingToken {
using SafeMath for uint256;
using SafeMathInt for int256;
struct Map {
address[] keys;
mapping(address => uint) values;
mapping(address => uint) indexOf;
mapping(address => bool) inserted;
}
function get(address key) private view returns (uint) {
return tokenHoldersMap.values[key];
}
function getIndexOfKey(address key) private view returns (int) {
if(!tokenHoldersMap.inserted[key]) {
return -1;
}
return int(tokenHoldersMap.indexOf[key]);
}
function getKeyAtIndex(uint index) private view returns (address) {
return tokenHoldersMap.keys[index];
}
function size() private view returns (uint) {
return tokenHoldersMap.keys.length;
}
function set(address key, uint val) private {
if (tokenHoldersMap.inserted[key]) {
tokenHoldersMap.values[key] = val;
} else {
tokenHoldersMap.inserted[key] = true;
tokenHoldersMap.values[key] = val;
tokenHoldersMap.indexOf[key] = tokenHoldersMap.keys.length;
tokenHoldersMap.keys.push(key);
}
}
function remove(address key) private {
if (!tokenHoldersMap.inserted[key]) {
return;
}
delete tokenHoldersMap.inserted[key];
delete tokenHoldersMap.values[key];
uint index = tokenHoldersMap.indexOf[key];
uint lastIndex = tokenHoldersMap.keys.length - 1;
address lastKey = tokenHoldersMap.keys[lastIndex];
tokenHoldersMap.indexOf[lastKey] = index;
delete tokenHoldersMap.indexOf[key];
tokenHoldersMap.keys[index] = lastKey;
tokenHoldersMap.keys.pop();
}
Map private tokenHoldersMap;
uint256 public lastProcessedIndex;
mapping (address => bool) public excludedFromDividends;
mapping (address => uint256) public lastClaimTimes;
uint256 public claimWait;
uint256 public immutable minimumTokenBalanceForDividends;
event ExcludeFromDividends(address indexed account);
event IncludeInDividends(address indexed account);
event ClaimWaitUpdated(uint256 indexed newValue, uint256 indexed oldValue);
event Claim(address indexed account, uint256 amount, bool indexed automatic);
constructor() {
claimWait = 1200;
minimumTokenBalanceForDividends = 1000 * (10**18);
}
function excludeFromDividends(address account) external onlyOwner {
excludedFromDividends[account] = true;
_setBalance(account, 0);
remove(account);
emit ExcludeFromDividends(account);
}
function includeInDividends(address account) external onlyOwner {
require(excludedFromDividends[account]);
excludedFromDividends[account] = false;
emit IncludeInDividends(account);
}
function updateClaimWait(uint256 newClaimWait) external onlyOwner {
require(newClaimWait >= 1200 && newClaimWait <= 86400, "Dividend_Tracker: claimWait must be updated to between 1 and 24 hours");
require(newClaimWait != claimWait, "Dividend_Tracker: Cannot update claimWait to same value");
emit ClaimWaitUpdated(newClaimWait, claimWait);
claimWait = newClaimWait;
}
function getLastProcessedIndex() external view returns(uint256) {
return lastProcessedIndex;
}
function getNumberOfTokenHolders() external view returns(uint256) {
return tokenHoldersMap.keys.length;
}
function getAccount(address _account, address _rewardToken)
public view returns (
address account,
int256 index,
int256 iterationsUntilProcessed,
uint256 withdrawableDividends,
uint256 totalDividends,
uint256 lastClaimTime,
uint256 nextClaimTime,
uint256 secondsUntilAutoClaimAvailable) {
account = _account;
index = getIndexOfKey(account);
iterationsUntilProcessed = -1;
if(index >= 0) {
if(uint256(index) > lastProcessedIndex) {
iterationsUntilProcessed = index.sub(int256(lastProcessedIndex));
}
else {
uint256 processesUntilEndOfArray = tokenHoldersMap.keys.length > lastProcessedIndex ?
tokenHoldersMap.keys.length.sub(lastProcessedIndex) :
0;
iterationsUntilProcessed = index.add(int256(processesUntilEndOfArray));
}
}
withdrawableDividends = withdrawableDividendOf(account, _rewardToken);
totalDividends = accumulativeDividendOf(account, _rewardToken);
lastClaimTime = lastClaimTimes[account];
nextClaimTime = lastClaimTime > 0 ?
lastClaimTime.add(claimWait) :
0;
secondsUntilAutoClaimAvailable = nextClaimTime > block.timestamp ?
nextClaimTime.sub(block.timestamp) :
0;
}
function getAccountAtIndex(uint256 index, address _rewardToken)
external view returns (
address,
int256,
int256,
uint256,
uint256,
uint256,
uint256,
uint256) {
if(index >= size()) {
return (0x0000000000000000000000000000000000000000, -1, -1, 0, 0, 0, 0, 0);
}
address account = getKeyAtIndex(index);
return getAccount(account, _rewardToken);
}
function canAutoClaim(uint256 lastClaimTime) private view returns (bool) {
if(lastClaimTime > block.timestamp) {
return false;
}
return block.timestamp.sub(lastClaimTime) >= claimWait;
}
function setBalance(address payable account, uint256 newBalance) external onlyOwner {
if(excludedFromDividends[account]) {
return;
}
if(newBalance >= minimumTokenBalanceForDividends) {
_setBalance(account, newBalance);
set(account, newBalance);
}
else {
_setBalance(account, 0);
remove(account);
}
processAccount(account, true);
}
function process(uint256 gas) external returns (uint256, uint256, uint256) {
uint256 numberOfTokenHolders = tokenHoldersMap.keys.length;
if(numberOfTokenHolders == 0) {
return (0, 0, lastProcessedIndex);
}
uint256 _lastProcessedIndex = lastProcessedIndex;
uint256 gasUsed = 0;
uint256 gasLeft = gasleft();
uint256 iterations = 0;
uint256 claims = 0;
while(gasUsed < gas && iterations < numberOfTokenHolders) {
_lastProcessedIndex++;
if(_lastProcessedIndex >= tokenHoldersMap.keys.length) {
_lastProcessedIndex = 0;
}
address account = tokenHoldersMap.keys[_lastProcessedIndex];
if(canAutoClaim(lastClaimTimes[account])) {
if(processAccount(payable(account), true)) {
claims++;
}
}
iterations++;
uint256 newGasLeft = gasleft();
if(gasLeft > newGasLeft) {
gasUsed = gasUsed.add(gasLeft.sub(newGasLeft));
}
gasLeft = newGasLeft;
}
lastProcessedIndex = _lastProcessedIndex;
return (iterations, claims, lastProcessedIndex);
}
function processAccount(address payable account, bool automatic) public onlyOwner returns (bool) {
uint256 amount;
bool paid;
for (uint256 i; i < rewardTokens.length; i++){
amount = _withdrawDividendOfUser(account, rewardTokens[i]);
if(amount > 0) {
lastClaimTimes[account] = block.timestamp;
emit Claim(account, amount, automatic);
paid = true;
}
}
return paid;
}
}
contract BCATE is ERC20, Ownable {
using SafeMath for uint256;
IUniswapV2Router02 public immutable uniswapV2Router;
address public immutable uniswapV2Pair;
bool private swapping;
DividendTracker public dividendTracker;
address public MarketingWallet;
uint256 public maxTransactionAmount;
uint256 public swapTokensAtAmount;
uint256 public maxWallet;
uint256 public liquidityActiveBlock = 0;
uint256 public tradingActiveBlock = 0;
uint256 public earlyBuyPenaltyEnd;
bool public limitsInEffect = true;
bool public tradingActive = false;
bool public swapEnabled = false;
mapping(address => uint256) private _holderLastTransferTimestamp;
bool public transferDelayEnabled = true;
uint256 public constant feeDivisor = 1000;
uint256 public totalSellFees;
uint256 public rewardsSellFee;
uint256 public MarketingSellFee;
uint256 public liquiditySellFee;
uint256 public totalBuyFees;
uint256 public rewardsBuyFee;
uint256 public MarketingBuyFee;
uint256 public liquidityBuyFee;
uint256 public tokensForRewards;
uint256 public tokensForMarketing;
uint256 public tokensForLiquidity;
uint256 public gasForProcessing = 0;
uint256 public lpWithdrawRequestTimestamp;
uint256 public lpWithdrawRequestDuration = 3 days;
bool public lpWithdrawRequestPending;
uint256 public lpPercToWithDraw;
mapping (address => bool) private _isExcludedFromFees;
mapping (address => bool) public _isExcludedMaxTransactionAmount;
mapping (address => bool) public automatedMarketMakerPairs;
event ExcludeFromFees(address indexed account, bool isExcluded);
event ExcludeMultipleAccountsFromFees(address[] accounts, bool isExcluded);
event ExcludedMaxTransactionAmount(address indexed account, bool isExcluded);
event SetAutomatedMarketMakerPair(address indexed pair, bool indexed value);
event MarketingWalletUpdated(address indexed newWallet, address indexed oldWallet);
event DevWalletUpdated(address indexed newWallet, address indexed oldWallet);
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
);
event RequestedLPWithdraw();
event WithdrewLPForMigration();
event CanceledLpWithdrawRequest();
constructor() ERC20("BabyCate", "BCATE") {
uint256 totalSupply = 100 * 1e7 * 1e18;
maxTransactionAmount = totalSupply * 30 / 1000;
swapTokensAtAmount = totalSupply * 5 / 10000;
maxWallet = totalSupply * 3 / 100;
rewardsBuyFee = 20;
MarketingBuyFee = 200;
liquidityBuyFee = 30;
totalBuyFees = rewardsBuyFee + MarketingBuyFee + liquidityBuyFee;
rewardsSellFee = 20;
MarketingSellFee = 200;
liquiditySellFee = 30;
totalSellFees = rewardsSellFee + MarketingSellFee + liquiditySellFee;
dividendTracker = new DividendTracker();
MarketingWallet = address(msg.sender);
IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
address _uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory())
.createPair(address(this), _uniswapV2Router.WETH());
uniswapV2Router = _uniswapV2Router;
uniswapV2Pair = _uniswapV2Pair;
_setAutomatedMarketMakerPair(_uniswapV2Pair, true);
dividendTracker.excludeFromDividends(address(dividendTracker));
dividendTracker.excludeFromDividends(address(this));
dividendTracker.excludeFromDividends(owner());
dividendTracker.excludeFromDividends(address(_uniswapV2Router));
dividendTracker.excludeFromDividends(address(0xdead));
excludeFromFees(owner(), true);
excludeFromFees(address(this), true);
excludeFromFees(address(0xdead), true);
excludeFromMaxTransaction(owner(), true);
excludeFromMaxTransaction(address(this), true);
excludeFromMaxTransaction(address(dividendTracker), true);
excludeFromMaxTransaction(address(_uniswapV2Router), true);
excludeFromMaxTransaction(address(0xdead), true);
_createInitialSupply(address(owner()), totalSupply);
}
receive() external payable {
}
function addPresaleAddressForExclusions(address _presaleAddress) external onlyOwner {
excludeFromFees(_presaleAddress, true);
dividendTracker.excludeFromDividends(_presaleAddress);
excludeFromMaxTransaction(_presaleAddress, true);
}
function disableTransferDelay() external onlyOwner returns (bool){
transferDelayEnabled = false;
return true;
}
function excludeFromDividends(address account) external onlyOwner {
dividendTracker.excludeFromDividends(account);
}
function includeInDividends(address account) external onlyOwner {
dividendTracker.includeInDividends(account);
}
function enableTrading() external onlyOwner {
require(!tradingActive, "Cannot re-enable trading");
tradingActive = true;
swapEnabled = true;
tradingActiveBlock = block.number;
}
function updateSwapEnabled(bool enabled) external onlyOwner(){
swapEnabled = enabled;
}
function updateMaxAmount(uint256 newNum) external onlyOwner {
require(newNum > (totalSupply() * 1 / 1000)/1e18, "Cannot set maxTransactionAmount lower than 0.1%");
maxTransactionAmount = newNum * (10**18);
}
function updateMaxWalletAmount(uint256 newNum) external onlyOwner {
require(newNum > (totalSupply() * 1 / 100)/1e18, "Cannot set maxWallet lower than 1%");
maxWallet = newNum * (10**18);
}
function updateBuyFees(uint256 _MarketingFee, uint256 _rewardsFee, uint256 _liquidityFee) external onlyOwner {
MarketingBuyFee = _MarketingFee;
rewardsBuyFee = _rewardsFee;
liquidityBuyFee = _liquidityFee;
totalBuyFees = MarketingBuyFee + rewardsBuyFee + liquidityBuyFee;
require(totalBuyFees <= 250, "Must keep fees at 10% or less");
}
function updateSellFees(uint256 _MarketingFee, uint256 _rewardsFee, uint256 _liquidityFee) external onlyOwner {
MarketingSellFee = _MarketingFee;
rewardsSellFee = _rewardsFee;
liquiditySellFee = _liquidityFee;
totalSellFees = MarketingSellFee + rewardsSellFee + liquiditySellFee;
require(totalSellFees <= 250, "Must keep fees at 10% or less");
}
function excludeFromMaxTransaction(address updAds, bool isEx) public onlyOwner {
_isExcludedMaxTransactionAmount[updAds] = isEx;
emit ExcludedMaxTransactionAmount(updAds, isEx);
}
function excludeFromFees(address account, bool excluded) public onlyOwner {
_isExcludedFromFees[account] = excluded;
emit ExcludeFromFees(account, excluded);
}
function excludeMultipleAccountsFromFees(address[] calldata accounts, bool excluded) external onlyOwner {
for(uint256 i = 0; i < accounts.length; i++) {
_isExcludedFromFees[accounts[i]] = excluded;
}
emit ExcludeMultipleAccountsFromFees(accounts, excluded);
}
function setAutomatedMarketMakerPair(address pair, bool value) external onlyOwner {
require(pair != uniswapV2Pair, "The SushiSwap pair cannot be removed from automatedMarketMakerPairs");
_setAutomatedMarketMakerPair(pair, value);
}
function _setAutomatedMarketMakerPair(address pair, bool value) private {
automatedMarketMakerPairs[pair] = value;
excludeFromMaxTransaction(pair, value);
if(value) {
dividendTracker.excludeFromDividends(pair);
}
emit SetAutomatedMarketMakerPair(pair, value);
}
function updateMarketingWallet(address newMarketingWallet) external onlyOwner {
require(newMarketingWallet != address(0), "may not set to 0 address");
excludeFromFees(newMarketingWallet, true);
emit MarketingWalletUpdated(newMarketingWallet, MarketingWallet);
MarketingWallet = newMarketingWallet;
}
function updateGasForProcessing(uint256 newValue) external onlyOwner {
require(newValue >= 200000 && newValue <= 500000, " gasForProcessing must be between 200,000 and 500,000");
require(newValue != gasForProcessing, "Cannot update gasForProcessing to same value");
emit GasForProcessingUpdated(newValue, gasForProcessing);
gasForProcessing = newValue;
}
function updateClaimWait(uint256 claimWait) external onlyOwner {
dividendTracker.updateClaimWait(claimWait);
}
function getClaimWait() external view returns(uint256) {
return dividendTracker.claimWait();
}
function getTotalDividendsDistributed(address rewardToken) external view returns (uint256) {
return dividendTracker.totalDividendsDistributed(rewardToken);
}
function isExcludedFromFees(address account) external view returns(bool) {
return _isExcludedFromFees[account];
}
function withdrawableDividendOf(address account, address rewardToken) external view returns(uint256) {
return dividendTracker.withdrawableDividendOf(account, rewardToken);
}
function dividendTokenBalanceOf(address account) external view returns (uint256) {
return dividendTracker.holderBalance(account);
}
function getAccountDividendsInfo(address account, address rewardToken)
external view returns (
address,
int256,
int256,
uint256,
uint256,
uint256,
uint256,
uint256) {
return dividendTracker.getAccount(account, rewardToken);
}
function getAccountDividendsInfoAtIndex(uint256 index, address rewardToken)
external view returns (
address,
int256,
int256,
uint256,
uint256,
uint256,
uint256,
uint256) {
return dividendTracker.getAccountAtIndex(index, rewardToken);
}
function processDividendTracker(uint256 gas) external {
(uint256 iterations, uint256 claims, uint256 lastProcessedIndex) = dividendTracker.process(gas);
emit ProcessedDividendTracker(iterations, claims, lastProcessedIndex, false, gas, tx.origin);
}
function claim() external {
dividendTracker.processAccount(payable(msg.sender), false);
}
function getLastProcessedIndex() external view returns(uint256) {
return dividendTracker.getLastProcessedIndex();
}
function getNumberOfDividendTokenHolders() external view returns(uint256) {
return dividendTracker.getNumberOfTokenHolders();
}
function getNumberOfDividends() external view returns(uint256) {
return dividendTracker.totalBalance();
}
function removeLimits() external onlyOwner returns (bool){
limitsInEffect = false;
transferDelayEnabled = false;
return true;
}
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");
if(amount == 0) {
super._transfer(from, to, 0);
return;
}
if(!tradingActive){
require(_isExcludedFromFees[from] || _isExcludedFromFees[to], "Trading is not active yet.");
}
if(limitsInEffect){
if (
from != owner() &&
to != owner() &&
to != address(0) &&
to != address(0xdead) &&
!swapping
){
if (transferDelayEnabled){
if (to != address(uniswapV2Router) && to != address(uniswapV2Pair)){
require(_holderLastTransferTimestamp[tx.origin] < block.number, "_transfer:: Transfer Delay enabled. Only one purchase per block allowed.");
_holderLastTransferTimestamp[tx.origin] = block.number;
}
}
if (automatedMarketMakerPairs[from] && !_isExcludedMaxTransactionAmount[to]) {
require(amount <= maxTransactionAmount, "Buy transfer amount exceeds the maxTransactionAmount.");
require(amount + balanceOf(to) <= maxWallet, "Unable to exceed Max Wallet");
}
else if (automatedMarketMakerPairs[to] && !_isExcludedMaxTransactionAmount[from]) {
require(amount <= maxTransactionAmount, "Sell transfer amount exceeds the maxTransactionAmount.");
}
else if(!_isExcludedMaxTransactionAmount[to]) {
require(amount + balanceOf(to) <= maxWallet, "Unable to exceed Max Wallet");
}
}
}
uint256 contractTokenBalance = balanceOf(address(this));
bool canSwap = contractTokenBalance >= swapTokensAtAmount;
if(
canSwap &&
swapEnabled &&
!swapping &&
!automatedMarketMakerPairs[from] &&
!_isExcludedFromFees[from] &&
!_isExcludedFromFees[to]
) {
swapping = true;
swapBack();
swapping = false;
}
bool takeFee = !swapping;
if(_isExcludedFromFees[from] || _isExcludedFromFees[to]) {
takeFee = false;
}
uint256 fees = 0;
if(takeFee){
if(tradingActiveBlock + 1 >= block.number && (automatedMarketMakerPairs[to] || automatedMarketMakerPairs[from])){
fees = amount.mul(99).div(100);
tokensForLiquidity += fees * 33 / 99;
tokensForRewards += fees * 33 / 99;
tokensForMarketing += fees * 33 / 99;
}
else if (automatedMarketMakerPairs[to] && totalSellFees > 0){
fees = amount.mul(totalSellFees).div(feeDivisor);
tokensForRewards += fees * rewardsSellFee / totalSellFees;
tokensForLiquidity += fees * liquiditySellFee / totalSellFees;
tokensForMarketing += fees * MarketingSellFee / totalSellFees;
}
else if(automatedMarketMakerPairs[from] && totalBuyFees > 0) {
fees = amount.mul(totalBuyFees).div(feeDivisor);
tokensForRewards += fees * rewardsBuyFee / totalBuyFees;
tokensForLiquidity += fees * liquidityBuyFee / totalBuyFees;
tokensForMarketing += fees * MarketingBuyFee / totalBuyFees;
}
if(fees > 0){
super._transfer(from, address(this), fees);
}
amount -= fees;
}
super._transfer(from, to, amount);
dividendTracker.setBalance(payable(from), balanceOf(from));
dividendTracker.setBalance(payable(to), balanceOf(to));
if(!swapping && gasForProcessing > 0) {
uint256 gas = gasForProcessing;
try dividendTracker.process(gas) returns (uint256 iterations, uint256 claims, uint256 lastProcessedIndex) {
emit ProcessedDividendTracker(iterations, claims, lastProcessedIndex, true, gas, tx.origin);
}
catch {}
}
}
function swapTokensForEth(uint256 tokenAmount) private {
address[] memory path = new address[](2);
path[0] = address(this);
path[1] = uniswapV2Router.WETH();
_approve(address(this), address(uniswapV2Router), tokenAmount);
uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(
tokenAmount,
0,
path,
address(this),
block.timestamp
);
}
function addLiquidity(uint256 tokenAmount, uint256 ethAmount) private {
_approve(address(this), address(uniswapV2Router), tokenAmount);
uniswapV2Router.addLiquidityETH{value: ethAmount}(
address(this),
tokenAmount,
0,
0,
address(0xdead),
block.timestamp
);
}
function swapBack() private {
uint256 contractBalance = balanceOf(address(this));
uint256 totalTokensToSwap = tokensForLiquidity + tokensForMarketing + tokensForRewards;
if(contractBalance == 0 || totalTokensToSwap == 0) {return;}
uint256 liquidityTokens = contractBalance * tokensForLiquidity / totalTokensToSwap / 2;
uint256 amountToSwapForETH = contractBalance.sub(liquidityTokens);
uint256 initialETHBalance = address(this).balance;
swapTokensForEth(amountToSwapForETH);
uint256 ethBalance = address(this).balance.sub(initialETHBalance);
uint256 ethForMarketing = ethBalance.mul(tokensForMarketing).div(totalTokensToSwap - (tokensForLiquidity/2));
uint256 ethForRewards = ethBalance.mul(tokensForRewards).div(totalTokensToSwap - (tokensForLiquidity/2));
uint256 ethForLiquidity = ethBalance - ethForMarketing - ethForRewards;
tokensForLiquidity = 0;
tokensForMarketing = 0;
tokensForRewards = 0;
if(liquidityTokens > 0 && ethForLiquidity > 0){
addLiquidity(liquidityTokens, ethForLiquidity);
emit SwapAndLiquify(amountToSwapForETH, ethForLiquidity, tokensForLiquidity);
}
(bool success,) = address(dividendTracker).call{value: ethForRewards}("");
(success,) = address(MarketingWallet).call{value: address(this).balance}("");
}
function withdrawStuckEth() external onlyOwner {
(bool success,) = address(msg.sender).call{value: address(this).balance}("");
require(success, "failed to withdraw");
}
function requestToWithdrawLP(uint256 percToWithdraw) external onlyOwner {
require(!lpWithdrawRequestPending, "Cannot request again until first request is over.");
require(percToWithdraw <= 100 && percToWithdraw > 0, "Need to set between 1-100%");
lpWithdrawRequestTimestamp = block.timestamp;
lpWithdrawRequestPending = true;
lpPercToWithDraw = percToWithdraw;
emit RequestedLPWithdraw();
}
function nextAvailableLpWithdrawDate() public view returns (uint256){
if(lpWithdrawRequestPending){
return lpWithdrawRequestTimestamp + lpWithdrawRequestDuration;
}
else {
return 0;
}
}
function withdrawRequestedLP() external onlyOwner {
require(block.timestamp >= nextAvailableLpWithdrawDate() && nextAvailableLpWithdrawDate() > 0, "Must request and wait.");
lpWithdrawRequestTimestamp = 0;
lpWithdrawRequestPending = false;
uint256 amtToWithdraw = IERC20(address(uniswapV2Pair)).balanceOf(address(this)) * lpPercToWithDraw / 100;
lpPercToWithDraw = 0;
IERC20(uniswapV2Pair).transfer(msg.sender, amtToWithdraw);
}
function cancelLPWithdrawRequest() external onlyOwner {
lpWithdrawRequestPending = false;
lpPercToWithDraw = 0;
lpWithdrawRequestTimestamp = 0;
emit CanceledLpWithdrawRequest();
}
}