Contract Source Code:
pragma solidity 0.8.19;
// SPDX-License-Identifier: MIT
import "./StructLibrary.sol";
import "./Context.sol";
import "./IERC20.sol";
import "./DEXInterfaces.sol";
interface IERC20Metadata is IERC20{
/**
* @dev Returns the name of the token.
*/
function name() external view returns (string memory);
/**
* @dev Returns the symbol of the token.
*/
function symbol() external view returns (string memory);
/**
* @dev Returns the decimals places of the token.
*/
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;
/**
* @dev Sets the values for {name} and {symbol}.
*
* All two of these values are immutable: they can only be set once during
* construction.
*/
constructor(string memory name_, string memory symbol_) {
_name = name_;
_symbol = symbol_;
}
/**
* @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 default value returned by this function, unless
* it's 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 (uint8) {
return 18;
}
/**
* @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:
*
* - `to` cannot be the zero address.
* - the caller must have a balance of at least `amount`.
*/
function transfer(address to, uint256 amount) public virtual override returns (bool) {
address owner = _msgSender();
_transfer(owner, to, 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}.
*
* NOTE: If `amount` is the maximum `uint256`, the allowance is not updated on
* `transferFrom`. This is semantically equivalent to an infinite approval.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function approve(address spender, uint256 amount) public virtual override returns (bool) {
address owner = _msgSender();
_approve(owner, 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}.
*
* NOTE: Does not update the allowance if the current allowance
* is the maximum `uint256`.
*
* Requirements:
*
* - `from` and `to` cannot be the zero address.
* - `from` must have a balance of at least `amount`.
* - the caller must have allowance for ``from``'s tokens of at least
* `amount`.
*/
function transferFrom(address from, address to, uint256 amount) public virtual override returns (bool) {
address spender = _msgSender();
_spendAllowance(from, spender, amount);
_transfer(from, to, amount);
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) {
address owner = _msgSender();
_approve(owner, spender, allowance(owner, spender) + 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) {
address owner = _msgSender();
uint256 currentAllowance = allowance(owner, spender);
require(currentAllowance >= subtractedValue, "ERC20: decreased allowance below zero");
unchecked {
_approve(owner, spender, currentAllowance - subtractedValue);
}
return true;
}
/**
* @dev Moves `amount` of tokens from `from` to `to`.
*
* This 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:
*
* - `from` cannot be the zero address.
* - `to` cannot be the zero address.
* - `from` must have a balance of at least `amount`.
*/
function _transfer(address from, address to, uint256 amount) internal virtual {
require(from != address(0), "ERC20: transfer from the zero address");
require(to != address(0), "ERC20: transfer to the zero address");
uint256 fromBalance = _balances[from];
require(fromBalance >= amount, "ERC20: transfer amount exceeds balance");
unchecked {
_balances[from] = fromBalance - amount;
// Overflow not possible: the sum of all balances is capped by totalSupply, and the sum is preserved by
// decrementing then incrementing.
_balances[to] += amount;
}
emit Transfer(from, to, 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");
_totalSupply += amount;
unchecked {
// Overflow not possible: balance + amount is at most totalSupply + amount, which is checked above.
_balances[account] += amount;
}
emit Transfer(address(0), account, 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 Updates `owner` s allowance for `spender` based on spent `amount`.
*
* Does not update the allowance amount in case of infinite allowance.
* Revert if not enough allowance is available.
*
* Might emit an {Approval} event.
*/
function _spendAllowance(address owner, address spender, uint256 amount) internal virtual {
uint256 currentAllowance = allowance(owner, spender);
if (currentAllowance != type(uint256).max) {
require(currentAllowance >= amount, "ERC20: insufficient allowance");
unchecked {
_approve(owner, spender, currentAllowance - amount);
}
}
}
}
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() external 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 Address {
function isContract(address account) internal view returns (bool) {
return account.code.length > 0;
}
function sendValue(address payable recipient, uint256 amount) internal {
require(address(this).balance >= amount, "Address: insufficient balance");
(bool success, ) = recipient.call{value: amount}("");
require(success, "Address: unable to send value, recipient may have reverted");
}
function functionCall(address target, bytes memory data) internal returns (bytes memory) {
return functionCallWithValue(target, data, 0, "Address: low-level call failed");
}
function functionCall(
address target,
bytes memory data,
string memory errorMessage
) internal returns (bytes memory) {
return functionCallWithValue(target, data, 0, errorMessage);
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
* but also transferring `value` wei to `target`.
*
* Requirements:
*
* - the calling contract must have an ETH balance of at least `value`.
* - the called Solidity function must be `payable`.
*
* _Available since v3.1._
*/
function functionCallWithValue(
address target,
bytes memory data,
uint256 value
) internal returns (bytes memory) {
return functionCallWithValue(target, data, value, "Address: low-level call with value failed");
}
/**
* @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but
* with `errorMessage` as a fallback revert reason when `target` reverts.
*
* _Available since v3.1._
*/
function functionCallWithValue(
address target,
bytes memory data,
uint256 value,
string memory errorMessage
) internal returns (bytes memory) {
require(address(this).balance >= value, "Address: insufficient balance for call");
(bool success, bytes memory returndata) = target.call{value: value}(data);
return verifyCallResultFromTarget(target, success, returndata, errorMessage);
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
* but performing a static call.
*
* _Available since v3.3._
*/
function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {
return functionStaticCall(target, data, "Address: low-level static call failed");
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
* but performing a static call.
*
* _Available since v3.3._
*/
function functionStaticCall(
address target,
bytes memory data,
string memory errorMessage
) internal view returns (bytes memory) {
(bool success, bytes memory returndata) = target.staticcall(data);
return verifyCallResultFromTarget(target, success, returndata, errorMessage);
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
* but performing a delegate call.
*
* _Available since v3.4._
*/
function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {
return functionDelegateCall(target, data, "Address: low-level delegate call failed");
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
* but performing a delegate call.
*
* _Available since v3.4._
*/
function functionDelegateCall(
address target,
bytes memory data,
string memory errorMessage
) internal returns (bytes memory) {
(bool success, bytes memory returndata) = target.delegatecall(data);
return verifyCallResultFromTarget(target, success, returndata, errorMessage);
}
/**
* @dev Tool to verify that a low level call to smart-contract was successful, and revert (either by bubbling
* the revert reason or using the provided one) in case of unsuccessful call or if target was not a contract.
*
* _Available since v4.8._
*/
function verifyCallResultFromTarget(
address target,
bool success,
bytes memory returndata,
string memory errorMessage
) internal view returns (bytes memory) {
if (success) {
if (returndata.length == 0) {
// only check isContract if the call was successful and the return data is empty
// otherwise we already know that it was a contract
require(isContract(target), "Address: call to non-contract");
}
return returndata;
} else {
_revert(returndata, errorMessage);
}
}
/**
* @dev Tool to verify that a low level call was successful, and revert if it wasn't, either by bubbling the
* revert reason or using the provided one.
*
* _Available since v4.3._
*/
function verifyCallResult(
bool success,
bytes memory returndata,
string memory errorMessage
) internal pure returns (bytes memory) {
if (success) {
return returndata;
} else {
_revert(returndata, errorMessage);
}
}
function _revert(bytes memory returndata, string memory errorMessage) private pure {
// 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
/// @solidity memory-safe-assembly
assembly {
let returndata_size := mload(returndata)
revert(add(32, returndata), returndata_size)
}
} else {
revert(errorMessage);
}
}
}
library SafeERC20 {
using Address for address;
function safeTransfer(IERC20 token, address to, uint256 value) internal {
_callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value));
}
function safeTransferFrom(IERC20 token, address from, address to, uint256 value) internal {
_callOptionalReturn(token, abi.encodeWithSelector(token.transferFrom.selector, from, to, value));
}
function _callOptionalReturn(IERC20 token, bytes memory data) private {
bytes memory returndata = address(token).functionCall(data, "SafeERC20: low-level call failed");
if (returndata.length > 0) {
require(abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed");
}
}
function safeApprove(IERC20 token, address spender, uint256 value) internal {
// safeApprove should only be called when setting an initial allowance,
// or when resetting it to zero. To increase and decrease it, use
// 'safeIncreaseAllowance' and 'safeDecreaseAllowance'
require(
(value == 0) || (token.allowance(address(this), spender) == 0),
"SafeERC20: approve from non-zero to non-zero allowance"
);
_callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, value));
}
}
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;
}
function min(uint256 x, uint256 y) internal pure returns (uint256 z) {
z = x < y ? x : y;
}
function sqrt(uint256 y) internal pure returns (uint256 z) {
if (y > 3) {
z = y;
uint256 x = y / 2 + 1;
while (x < z) {
z = x;
x = (y / x + x) / 2;
}
} else if (y != 0) {
z = 1;
}
}
}
library SafeMathInt {
int256 private constant MIN_INT256 = int256(1) << 255;
int256 private constant MAX_INT256 = ~(int256(1) << 255);
/**
* @dev Multiplies two int256 variables and fails on overflow.
*/
function mul(int256 a, int256 b) internal pure returns (int256) {
int256 c = a * b;
// Detect overflow when multiplying MIN_INT256 with -1
require(c != MIN_INT256 || (a & MIN_INT256) != (b & MIN_INT256));
require((b == 0) || (c / b == a));
return c;
}
/**
* @dev Division of two int256 variables and fails on overflow.
*/
function div(int256 a, int256 b) internal pure returns (int256) {
// Prevent overflow when dividing MIN_INT256 by -1
require(b != -1 || a != MIN_INT256);
// Solidity already throws when dividing by 0.
return a / b;
}
/**
* @dev Subtracts two int256 variables and fails on overflow.
*/
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;
}
/**
* @dev Adds two int256 variables and fails on overflow.
*/
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;
}
/**
* @dev Converts to absolute value, and fails on overflow.
*/
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 DividendPayingContractOptionalInterface {
function withdrawableDividendOf(address _owner) external view returns(uint256);
function withdrawnDividendOf(address _owner) external view returns(uint256);
function accumulativeDividendOf(address _owner) external view returns(uint256);
}
interface DividendPayingContractInterface {
function dividendOf(address _owner) external view returns(uint256);
function distributeDividends() external payable;
function withdrawDividend() external;
event DividendsDistributed(
address indexed from,
uint256 weiAmount
);
event DividendWithdrawn(
address indexed to,
uint256 weiAmount
);
}
contract DividendPayingContract is DividendPayingContractInterface, DividendPayingContractOptionalInterface, Ownable {
using SafeMath for uint256;
using SafeMathUint for uint256;
using SafeMathInt for int256;
uint256 constant internal magnitude = 2**128;
uint256 internal magnifiedDividendPerShare;
mapping(address => int256) internal magnifiedDividendCorrections;
mapping(address => uint256) internal withdrawnDividends;
mapping (address => uint256) public holderBalance;
uint256 public totalBalance;
uint256 public totalDividendsDistributed;
receive() external payable {
distributeDividends();
}
function distributeDividends() public override payable {
if(totalBalance > 0 && msg.value > 0){
magnifiedDividendPerShare = magnifiedDividendPerShare.add(
(msg.value).mul(magnitude) / totalBalance
);
emit DividendsDistributed(msg.sender, msg.value);
totalDividendsDistributed = totalDividendsDistributed.add(msg.value);
}
}
function withdrawDividend() external virtual override {
_withdrawDividendOfUser(payable(msg.sender));
}
function _withdrawDividendOfUser(address payable user) internal returns (uint256) {
uint256 _withdrawableDividend = withdrawableDividendOf(user);
if (_withdrawableDividend > 0) {
withdrawnDividends[user] = withdrawnDividends[user].add(_withdrawableDividend);
emit DividendWithdrawn(user, _withdrawableDividend);
(bool success,) = user.call{value: _withdrawableDividend}("");
if(!success) {
withdrawnDividends[user] = withdrawnDividends[user].sub(_withdrawableDividend);
return 0;
}
return _withdrawableDividend;
}
return 0;
}
function withdrawDividendOfUserForCompound(address payable user) external onlyOwner returns (uint256 _withdrawableDividend) {
_withdrawableDividend = withdrawableDividendOf(user);
if (_withdrawableDividend > 0) {
withdrawnDividends[user] = withdrawnDividends[user] + _withdrawableDividend;
emit DividendWithdrawn(user, _withdrawableDividend);
}
(bool success,) = owner().call{value: _withdrawableDividend}("");
if(!success) {
withdrawnDividends[user] = withdrawnDividends[user].sub(_withdrawableDividend);
return 0;
}
}
function dividendOf(address _owner) external view override returns(uint256) {
return withdrawableDividendOf(_owner);
}
function withdrawableDividendOf(address _owner) public view override returns(uint256) {
return accumulativeDividendOf(_owner).sub(withdrawnDividends[_owner]);
}
function withdrawnDividendOf(address _owner) external view override returns(uint256) {
return withdrawnDividends[_owner];
}
function accumulativeDividendOf(address _owner) public view override returns(uint256) {
return magnifiedDividendPerShare.mul(holderBalance[_owner]).toInt256Safe()
.add(magnifiedDividendCorrections[_owner]).toUint256Safe() / magnitude;
}
function _increase(address account, uint256 value) internal {
magnifiedDividendCorrections[account] = magnifiedDividendCorrections[account]
.sub( (magnifiedDividendPerShare.mul(value)).toInt256Safe() );
}
function _reduce(address account, uint256 value) internal {
magnifiedDividendCorrections[account] = magnifiedDividendCorrections[account]
.add( (magnifiedDividendPerShare.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 RevShare is DividendPayingContract {
event Claim(address indexed account, uint256 amount, bool indexed automatic);
mapping (address => bool) public excludedFromDividends;
constructor() {}
function getAccount(address _account)
public view returns (
address account,
uint256 withdrawableDividends,
uint256 totalDividends,
uint256 balance) {
account = _account;
withdrawableDividends = withdrawableDividendOf(account);
totalDividends = accumulativeDividendOf(account);
balance = holderBalance[account];
}
function setBalance(address payable account, uint256 newBalance) external onlyOwner {
if(excludedFromDividends[account]) {
return;
}
_setBalance(account, newBalance);
processAccount(account, true);
}
function processAccount(address payable account, bool automatic) public onlyOwner returns (bool) {
uint256 amount = _withdrawDividendOfUser(account);
if(amount > 0) {
emit Claim(account, amount, automatic);
return true;
}
return false;
}
function getTotalDividendsDistributed() external view returns (uint256) {
return totalDividendsDistributed;
}
function dividendTokenBalanceOf(address account) public view returns (uint256) {
return holderBalance[account];
}
function getNumberOfDividends() external view returns(uint256) {
return totalBalance;
}
function excludeFromDividends(address account) external onlyOwner {
excludedFromDividends[account] = true;
_setBalance(account, 0);
}
function includeInDividends(address account) external onlyOwner {
require(excludedFromDividends[account]);
excludedFromDividends[account] = false;
_setBalance(account, IERC20(owner()).balanceOf(account)); // sets balance back to token balance
}
}
interface IWETH {
function deposit() external payable;
function transfer(address to, uint value) external returns (bool);
function withdraw(uint) external;
}
interface IPriceFeed {
function latestAnswer() external returns (int256);
}
contract BLOX is ERC20, Ownable {
mapping (address => bool) public whitelisted;
mapping (address => bool) public excludedFromTxLimits;
address public marketingReceiver;
address public devReceiver;
Tax public buyTax;
Tax public sellTax;
RevShare public revenueShare;
TokenDistributionForTax public tokensForTax;
TxLimits public txnLimits;
bool public txnLimitsActive = true;
mapping(address => uint256) private _holderLastTransferBlock; // MEV protection
bool private antiSandwichEnabled = true;
uint256 private launchBlock;
uint256 private swapTokensAtAmount;
address public immutable pair;
IDexRouter public immutable dexRouter;
IWETH private immutable WETH;
IPriceFeed internal immutable priceFeed;
uint256 private latestEthPrice = 0;
uint64 public constant FEE_DIVISOR = 10000;
// structs
struct TxLimits {
uint96 transactionLimit;
uint96 walletLimit;
uint48 gasLimit;
bool gasLimitActive;
}
struct Tax {
uint48 mktingTax;
uint48 devTax;
uint48 lpTax;
uint48 revenueShareTax;
uint48 totalTax;
}
struct TokenDistributionForTax {
uint64 tokensForMkting;
uint64 tokensForLP;
uint64 tokensForDev;
uint64 tokensForRevShare;
bool gasSaver;
}
// events
event UpdatedTransactionLimit(uint newMax);
event UpdatedWalletLimit(uint newMax);
event SetExcludedFromFees(address _address, bool _isExcluded);
event SetExcludedFromLimits(address _address, bool _isExcluded);
event RemovedLimits();
event BuyTaxUpdated(uint newAmount);
event SellTaxUpdated(uint newAmount);
// constructor
constructor(StructLibrary.Params memory params)
ERC20(params.name, params.symbol)
{
_mint(address(this), params.totalSupply * 1e18 * params.liquidityPercentage / 10000);
uint256 leftoverTokens = (params.totalSupply * 1e18) - balanceOf(address(this));
if(leftoverTokens > 0){
_mint(msg.sender, leftoverTokens);
}
address _v2Router;
address _priceFeed;
if(block.chainid == 1){
_v2Router = 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D; // ETH: Uniswap V2
_priceFeed = 0x5f4eC3Df9cbd43714FE2740f5E3616155c5b8419;
} else if(block.chainid == 5){
_v2Router = 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D; // Goerli ETH: Uniswap V2
_priceFeed = 0xD4a33860578De61DBAbDc8BFdb98FD742fA7028e;
} else if(block.chainid == 56){
_v2Router = 0x10ED43C718714eb63d5aA57B78B54704E256024E; // BNB Chain: PCS V2
_priceFeed = 0x0567F2323251f0Aab15c8dFb1967E4e8A7D42aeE;
} else if(block.chainid == 97){
_v2Router = 0xD99D1c33F9fC3444f8101754aBC46c52416550D1; // BNB Chain Testnet: PCS V2
_priceFeed = 0x2514895c72f50D8bd4B4F9b1110F0D6bD2c97526;
} else if(block.chainid == 42161){
_v2Router = 0x1b02dA8Cb0d097eB8D57A175b88c7D8b47997506; // Arbitrum: SushiSwap
_priceFeed = 0x639Fe6ab55C921f74e7fac1ee960C0B6293ba612;
} else {
revert("Chain not configured");
}
priceFeed = IPriceFeed(_priceFeed);
require(priceFeed.latestAnswer() > 0, "wrong price feed");
revenueShare = new RevShare();
dexRouter = IDexRouter(_v2Router);
txnLimits.transactionLimit = uint96(totalSupply() * params.transactionLimit / 10000);
txnLimits.walletLimit = uint96(totalSupply() * params.walletLimit / 10000);
txnLimits.gasLimit = params.gasLimit * 1 gwei;
swapTokensAtAmount = totalSupply() * 25 / 100000;
marketingReceiver = params.marketingReceiver; // update
devReceiver = params.devReceiver; // update
buyTax.mktingTax = params.marketingTaxBuy;
buyTax.lpTax = params.lpTaxBuy;
buyTax.devTax = params.devTaxBuy;
buyTax.revenueShareTax = params.revenueShareTaxBuy;
buyTax.totalTax = buyTax.mktingTax + buyTax.lpTax + buyTax.devTax + buyTax.revenueShareTax;
sellTax.mktingTax = params.marketingTaxSell;
sellTax.lpTax = params.lpTaxSell;
sellTax.devTax = params.devTaxSell;
sellTax.revenueShareTax = params.revenueShareTaxSell;
sellTax.totalTax = sellTax.mktingTax + sellTax.lpTax + sellTax.devTax + buyTax.revenueShareTax;
tokensForTax.gasSaver = true;
WETH = IWETH(dexRouter.WETH());
pair = IDexFactory(dexRouter.factory()).createPair(address(this), address(WETH));
excludedFromTxLimits[pair] = true;
excludedFromTxLimits[msg.sender] = true;
excludedFromTxLimits[address(this)] = true;
excludedFromTxLimits[_v2Router] = true;
whitelisted[msg.sender] = true;
whitelisted[address(this)] = true;
whitelisted[address(0xdead)] = true;
whitelisted[_v2Router] = true;
revenueShare.excludeFromDividends(address(this));
revenueShare.excludeFromDividends(address(pair));
revenueShare.excludeFromDividends(address(0xdead));
_approve(address(this), address(dexRouter), type(uint256).max);
}
function _transfer(
address from,
address to,
uint256 amount
) internal virtual override {
if(!whitelisted[from] && !whitelisted[to]){
handleLimits(from, to, amount);
amount -= handleFee(from, to, amount);
}
super._transfer(from,to,amount);
revenueShare.setBalance(payable(to), balanceOf(to));
revenueShare.setBalance(payable(from), balanceOf(from));
}
function handleLimits(address from, address to, uint256 amount) internal {
if(txnLimitsActive){
bool exFromLimitsTo = excludedFromTxLimits[to];
uint256 balanceOfTo = balanceOf(to);
TxLimits memory _txnLimits = txnLimits;
// buy
if (from == pair && !exFromLimitsTo) {
require(amount <= _txnLimits.transactionLimit, "Max Txn");
require(amount + balanceOfTo <= _txnLimits.walletLimit, "Max Wallet");
if(_txnLimits.gasLimitActive){
if(block.number >= launchBlock + 4){
_txnLimits.gasLimitActive = false;
txnLimits = _txnLimits;
} else {
require(tx.gasprice <= _txnLimits.gasLimit, "Gas price exceeds limit.");
}
}
}
// sell
else if (to == pair && !excludedFromTxLimits[from]) {
require(amount <= _txnLimits.transactionLimit, "Max Txn");
}
else if(!exFromLimitsTo) {
require(amount + balanceOfTo <= _txnLimits.walletLimit, "Max Wallet");
}
}
if (antiSandwichEnabled){
if(to == pair){
require(_holderLastTransferBlock[from] < block.number, "Anti MEV");
} else {
_holderLastTransferBlock[to] = block.number;
_holderLastTransferBlock[tx.origin] = block.number;
}
}
}
function handleFee(address from, address to, uint256 amount) internal returns (uint256){
if(balanceOf(address(this)) >= swapTokensAtAmount && from != pair) {
convertTax();
}
uint128 tax = 0;
Tax memory taxes;
if (to == pair){
taxes = sellTax;
} else if (from == pair){
taxes = buyTax;
}
if(taxes.totalTax > 0){
TokenDistributionForTax memory tokensForTaxUpdate = tokensForTax;
tax = uint128(amount * taxes.totalTax / FEE_DIVISOR);
tokensForTaxUpdate.tokensForLP += uint64(tax * taxes.lpTax / taxes.totalTax / 1e9);
tokensForTaxUpdate.tokensForMkting += uint64(tax * taxes.mktingTax / taxes.totalTax / 1e9);
tokensForTaxUpdate.tokensForDev += uint64(tax * taxes.devTax / taxes.totalTax / 1e9);
tokensForTaxUpdate.tokensForRevShare += uint64(tax * taxes.revenueShareTax / taxes.totalTax / 1e9);
tokensForTax = tokensForTaxUpdate;
super._transfer(from, address(this), tax);
}
return tax;
}
function swapTokensForETH(uint256 tokenAmount) private {
address[] memory path = new address[](2);
path[0] = address(this);
path[1] = address(WETH);
dexRouter.swapExactTokensForETHSupportingFeeOnTransferTokens(
tokenAmount,
0,
path,
address(this),
block.timestamp
);
}
function convertTax() private {
uint256 contractBalance = balanceOf(address(this));
TokenDistributionForTax memory tokensForTaxMem = tokensForTax;
uint256 totalTokensToSwap = tokensForTaxMem.tokensForLP + tokensForTaxMem.tokensForMkting + tokensForTaxMem.tokensForDev + tokensForTaxMem.tokensForRevShare;
if(contractBalance == 0 || totalTokensToSwap == 0) {return;}
if(contractBalance > swapTokensAtAmount * 20){
contractBalance = swapTokensAtAmount * 20;
}
if(tokensForTaxMem.tokensForLP > 0){
uint256 lpTokens = contractBalance * tokensForTaxMem.tokensForLP / totalTokensToSwap;
super._transfer(address(this), pair, lpTokens);
try ILpPair(pair).sync(){} catch {}
contractBalance -= lpTokens;
totalTokensToSwap -= tokensForTaxMem.tokensForLP;
}
if(contractBalance > 0){
swapTokensForETH(contractBalance);
uint256 ethBalance = address(this).balance;
bool success;
if(tokensForTaxMem.tokensForDev > 0){
(success,) = devReceiver.call{value: ethBalance * tokensForTaxMem.tokensForDev / totalTokensToSwap}("");
}
if(tokensForTaxMem.tokensForRevShare > 0){
(success,) = address(revenueShare).call{value: ethBalance * tokensForTaxMem.tokensForRevShare/ totalTokensToSwap}("");
}
ethBalance = address(this).balance;
if(ethBalance > 0){
(success,) = marketingReceiver.call{value: ethBalance}("");
}
}
tokensForTaxMem.tokensForLP = 0;
tokensForTaxMem.tokensForMkting = 0;
tokensForTaxMem.tokensForDev = 0;
tokensForTaxMem.tokensForRevShare = 0;
tokensForTax = tokensForTaxMem;
}
// owner functions
function setExcludedFromFee(address _address, bool _isExcluded) external onlyOwner {
require(_address != address(0), "Zero Address");
require(_address != address(this), "Cannot unexcluded contract");
whitelisted[_address] = _isExcluded;
emit SetExcludedFromFees(_address, _isExcluded);
}
function setExcludedFromLimits(address _address, bool _isExcluded) external onlyOwner {
require(_address != address(0), "Zero Address");
if(!_isExcluded){
require(_address != pair, "Cannot remove pair");
}
excludedFromTxLimits[_address] = _isExcluded;
emit SetExcludedFromLimits(_address, _isExcluded);
}
function changeTransactionMax(uint96 newNumInTokens) external onlyOwner {
require(newNumInTokens >= (totalSupply() * 5 / 1000)/(10**decimals()), "Too low");
txnLimits.transactionLimit = uint96(newNumInTokens * (10**decimals()));
emit UpdatedTransactionLimit(txnLimits.transactionLimit);
}
function changeWalletLimit(uint96 newNumInTokens) external onlyOwner {
require(newNumInTokens >= (totalSupply() * 5 / 1000)/(10**decimals()), "Too low");
txnLimits.walletLimit = uint96(newNumInTokens * (10**decimals()));
emit UpdatedWalletLimit(txnLimits.walletLimit);
}
function changeSwapTokensAmount(uint256 newAmount) external onlyOwner {
require(newAmount >= (totalSupply() * 1) / 100000, "Swap amount cannot be lower than 0.001% total supply.");
require(newAmount <= (totalSupply() * 5) / 1000, "Swap amount cannot be higher than 0.5% total supply.");
swapTokensAtAmount = newAmount;
}
function setSellTax(uint48 _mktingTax, uint48 _lpTax, uint48 _devTax, uint48 _revenueShareTax) external onlyOwner {
Tax memory taxes;
taxes.mktingTax = _mktingTax;
taxes.lpTax = _lpTax;
taxes.devTax = _devTax;
taxes.revenueShareTax = _revenueShareTax;
taxes.totalTax = _mktingTax + _lpTax + _devTax + _revenueShareTax;
require(taxes.totalTax <= 1000, "Keep tax below 10%");
emit SellTaxUpdated(taxes.totalTax);
sellTax = taxes;
}
function setBuyTax(uint48 _mktingTax, uint48 _lpTax, uint48 _devTax, uint48 _revenueShareTax) external onlyOwner {
Tax memory taxes;
taxes.mktingTax = _mktingTax;
taxes.lpTax = _lpTax;
taxes.devTax = _devTax;
taxes.revenueShareTax = _revenueShareTax;
taxes.totalTax = _mktingTax + _lpTax + _devTax + _revenueShareTax;
require(taxes.totalTax <= 1000, "Keep tax below 10%");
emit BuyTaxUpdated(taxes.totalTax);
buyTax = taxes;
}
function removeTxLimits() external onlyOwner {
txnLimitsActive = false;
TxLimits memory _txnLimits;
uint256 supply = totalSupply();
_txnLimits.transactionLimit = uint96(supply);
_txnLimits.walletLimit = uint96(supply);
txnLimits = _txnLimits;
emit RemovedLimits();
}
function updateSandwichBlockerEnabled(bool _enabled) external onlyOwner {
antiSandwichEnabled = _enabled;
}
function setMarketingAddress(address _address) external onlyOwner {
require(_address != address(0), "zero address");
marketingReceiver = _address;
}
function updateDevAddress(address _address) external onlyOwner {
require(_address != address(0), "zero address");
devReceiver = _address;
}
receive() payable external {}
// dividend functions
function claim() external {
revenueShare.processAccount(payable(msg.sender), false);
}
function getTotalDividendsDistributed() external view returns (uint256) {
return revenueShare.totalDividendsDistributed();
}
function withdrawableDividendOf(address account) public view returns(uint256) {
return revenueShare.withdrawableDividendOf(account);
}
function dividendTokenBalanceOf(address account) public view returns (uint256) {
return revenueShare.holderBalance(account);
}
function getAccountDividendsInfo(address account)
external view returns (
address,
uint256,
uint256,
uint256) {
return revenueShare.getAccount(account);
}
function getNumberOfDividends() external view returns(uint256) {
return revenueShare.totalBalance();
}
function excludeFromDividends(address _wallet) external onlyOwner {
revenueShare.excludeFromDividends(_wallet);
}
function includeInDividends(address _wallet) external onlyOwner {
revenueShare.includeInDividends(_wallet);
}
function compound(uint256 minOutput) external {
uint256 amountEthForCompound = revenueShare.withdrawDividendOfUserForCompound(payable(msg.sender));
if(amountEthForCompound > 0){
buyBackTokens(amountEthForCompound, minOutput, msg.sender);
} else {
revert("No rewards");
}
}
function buyBackTokens(uint256 ethAmountInWei, uint256 minOut, address to) internal {
// generate the uniswap pair path of weth -> eth
address[] memory path = new address[](2);
path[0] = address(WETH);
path[1] = address(this);
// make the swap
dexRouter.swapExactETHForTokensSupportingFeeOnTransferTokens{value: ethAmountInWei}(
minOut,
path,
address(to),
block.timestamp
);
}
// helper views
function getCompoundOutputByUser(uint256 rewardAmount) external view returns(uint256) {
if(rewardAmount == 0){
return 0;
}
address[] memory path = new address[](2);
path[0] = address(WETH);
path[1] = address(this);
uint256[] memory amounts = dexRouter.getAmountsOut(rewardAmount, path);
return amounts[1] - (amounts[1] * (buyTax.totalTax + 50) / FEE_DIVISOR);
}
function getCompoundOutputByWallet(address wallet) external view returns(uint256) {
uint256 rewardAmount = withdrawableDividendOf(wallet);
if(rewardAmount == 0){
return 0;
}
address[] memory path = new address[](2);
path[0] = address(WETH);
path[1] = address(this);
uint256[] memory amounts = dexRouter.getAmountsOut(rewardAmount, path);
return amounts[1] - (amounts[1] * (buyTax.totalTax + 50) / FEE_DIVISOR);
}
function letsGo(address _to) external onlyOwner payable {
require(address(this).balance > 0 && balanceOf(address(this)) > 0);
WETH.deposit{value: address(this).balance}();
super._transfer(address(this), address(pair), balanceOf(address(this)));
IERC20(address(WETH)).transfer(address(pair), IERC20(address(WETH)).balanceOf(address(this)));
ILpPair(pair).mint(_to);
launchBlock = block.number;
txnLimits.gasLimitActive = true;
latestEthPrice = uint256(priceFeed.latestAnswer());
}
function getMcap() public view returns (uint256){
return (IERC20(dexRouter.WETH()).balanceOf(address(pair)) * 1e18 * latestEthPrice / balanceOf(address(pair)) * (totalSupply()-balanceOf(address(0xdead))) / 1e18 / 1e8);
}
}
pragma solidity 0.8.19;
// SPDX-License-Identifier: MIT
library StructLibrary {
struct Params {
string name;
string symbol;
uint112 totalSupply;
uint48 liquidityPercentage;
address marketingReceiver;
address devReceiver;
uint48 marketingTaxBuy;
uint48 devTaxBuy;
uint48 lpTaxBuy;
uint48 revenueShareTaxBuy;
uint48 marketingTaxSell;
uint48 devTaxSell;
uint48 lpTaxSell;
uint48 revenueShareTaxSell;
uint128 transactionLimit;
uint128 walletLimit;
uint48 gasLimit;
}
}
pragma solidity 0.8.19;
// SPDX-License-Identifier: MIT
interface IERC20 {
/**
* @dev Returns the amount of tokens in existence.
*/
function totalSupply() external view returns (uint256);
/**
* @dev Returns the amount of tokens owned by `account`.
*/
function balanceOf(address account) external view returns (uint256);
/**
* @dev Moves `amount` tokens from the caller's account to `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);
}
pragma solidity 0.8.19;
// SPDX-License-Identifier: MIT
interface ILpPair {
function sync() external;
function mint(address to) external returns (uint liquidity);
}
interface IDexRouter {
function factory() external pure returns (address);
function WETH() external pure returns (address);
function swapExactTokensForETHSupportingFeeOnTransferTokens(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 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 IDexFactory {
function createPair(address tokenA, address tokenB) external returns (address pair);
}
pragma solidity 0.8.19;
// SPDX-License-Identifier: MIT
abstract contract Context {
function _msgSender() internal view virtual returns (address) {
return msg.sender;
}
function _msgData() internal view virtual returns (bytes calldata) {
this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691
return msg.data;
}
}