Contract Source Code:
File 1 of 1 : PaxUnitas
// SPDX-License-Identifier: MIT
pragma solidity >=0.6.0 <0.9.0;
interface IERC20 {
function totalSupply() external view returns (uint256);
function decimals() external view returns (uint8);
function symbol() external view returns (string memory);
function name() external view returns (string memory);
function getOwner() external view returns (address);
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 IFactoryV2 {
event PairCreated(address indexed token0, address indexed token1, address lpPair, uint);
function getPair(address tokenA, address tokenB) external view returns (address lpPair);
function createPair(address tokenA, address tokenB) external returns (address lpPair);
}
interface IV2Pair {
function factory() external view returns (address);
function getReserves() external view returns (uint112 reserve0, uint112 reserve1, uint32 blockTimestampLast);
function sync() external;
}
interface IRouter01 {
function factory() external pure returns (address);
function WETH() external pure returns (address);
function addLiquidityETH(
address token,
uint amountTokenDesired,
uint amountTokenMin,
uint amountETHMin,
address to,
uint deadline
) external payable returns (uint amountToken, uint amountETH, uint liquidity);
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 swapExactETHForTokens(
uint amountOutMin,
address[] calldata path,
address to, uint deadline
) external payable returns (uint[] memory amounts);
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 IRouter02 is IRouter01 {
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 swapExactTokensForTokensSupportingFeeOnTransferTokens(
uint amountIn,
uint amountOutMin,
address[] calldata path,
address to,
uint deadline
) external;
function swapExactTokensForTokens(
uint amountIn,
uint amountOutMin,
address[] calldata path,
address to,
uint deadline
) external returns (uint[] memory amounts);
}
interface Initializer {
function setLaunch(address _initialLpPair, uint32 _liqAddBlock, uint64 _liqAddStamp, uint8 dec) external;
function getConfig() external returns (address, address);
function setLpPair(address pair, bool enabled) external;
function checkUser(address from, address to, uint256 amt) external returns (bool);
function setProtections(bool _as, bool _ab) external;
function removeSniper(address account) external;
}
contract PaxUnitas is IERC20 {
mapping (address => uint256) private _tOwned;
mapping (address => bool) lpPairs;
uint256 private timeSinceLastPair = 0;
mapping (address => mapping (address => uint256)) private _allowances;
mapping (address => bool) private _liquidityHolders;
mapping (address => bool) private _isExcludedFromProtection;
mapping (address => bool) private _isExcludedFromLimits;
bool private allowedPresaleExclusion = true;
uint256 constant private startingSupply = 650_000_000_000;
string constant private _name = "Pax Unitas";
string constant private _symbol = "PAXU";
uint8 constant private _decimals = 18;
uint256 constant private _tTotal = startingSupply * 10**_decimals;
bool public taxesAreLocked;
IRouter02 public dexRouter;
address public lpPair;
address constant public DEAD = 0x000000000000000000000000000000000000dEaD;
bool public tradingEnabled = false;
bool public _hasLiqBeenAdded = false;
Initializer initializer;
constructor () payable {
// Set the owner.
_owner = msg.sender;
originalDeployer = msg.sender;
_liquidityHolders[_owner] = true;
_tOwned[_owner] = _tTotal;
emit Transfer(address(0), _owner, _tTotal);
}
receive() external payable {}
//===============================================================================================================
//===============================================================================================================
//===============================================================================================================
// Ownable removed as a lib and added here to allow for custom transfers and renouncements.
// This allows for removal of ownership privileges from the owner once renounced or transferred.
address private _owner;
modifier onlyOwner() { require(_owner == msg.sender, "Caller =/= owner."); _; }
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
function transferOwner(address newOwner) external onlyOwner {
require(newOwner != address(0), "Call renounceOwnership to transfer owner to the zero address.");
require(newOwner != DEAD, "Call renounceOwnership to transfer owner to the zero address.");
if (balanceOf(_owner) > 0) {
finalizeTransfer(_owner, newOwner, balanceOf(_owner), true);
}
address oldOwner = _owner;
_owner = newOwner;
emit OwnershipTransferred(oldOwner, newOwner);
}
function renounceOwnership() external onlyOwner {
require(tradingEnabled, "Cannot renounce until trading has been enabled.");
address oldOwner = _owner;
_owner = address(0);
emit OwnershipTransferred(oldOwner, address(0));
}
address public originalDeployer;
address public operator;
// Function to set an operator to allow someone other the deployer to create things such as launchpads.
// Only callable by original deployer.
function setOperator(address newOperator) public {
require(msg.sender == originalDeployer, "Can only be called by original deployer.");
address oldOperator = operator;
if (oldOperator != address(0)) {
_liquidityHolders[oldOperator] = false;
}
operator = newOperator;
_liquidityHolders[newOperator] = true;
}
function renounceOriginalDeployer() external {
require(msg.sender == originalDeployer, "Can only be called by original deployer.");
setOperator(address(0));
originalDeployer = address(0);
}
//===============================================================================================================
//===============================================================================================================
//===============================================================================================================
function totalSupply() external pure override returns (uint256) { if (_tTotal == 0) { revert(); } return _tTotal; }
function decimals() external pure override returns (uint8) { if (_tTotal == 0) { revert(); } return _decimals; }
function symbol() external pure override returns (string memory) { return _symbol; }
function name() external pure override returns (string memory) { return _name; }
function getOwner() external view override returns (address) { return _owner; }
function allowance(address holder, address spender) external view override returns (uint256) { return _allowances[holder][spender]; }
function balanceOf(address account) public view override returns (uint256) {
return _tOwned[account];
}
function transfer(address recipient, uint256 amount) public override returns (bool) {
_transfer(msg.sender, recipient, amount);
return true;
}
function approve(address spender, uint256 amount) external override returns (bool) {
_approve(msg.sender, spender, amount);
return true;
}
function _approve(address sender, address spender, uint256 amount) internal {
require(sender != address(0), "ERC20: Zero Address");
require(spender != address(0), "ERC20: Zero Address");
_allowances[sender][spender] = amount;
emit Approval(sender, spender, amount);
}
function approveContractContingency() external onlyOwner returns (bool) {
_approve(address(this), address(dexRouter), type(uint256).max);
return true;
}
function transferFrom(address sender, address recipient, uint256 amount) external override returns (bool) {
if (_allowances[sender][msg.sender] != type(uint256).max) {
_allowances[sender][msg.sender] -= amount;
}
return _transfer(sender, recipient, amount);
}
function setInitializer(address _initializer) public onlyOwner {
require(!tradingEnabled);
require(_initializer != address(this), "Can't be self.");
initializer = Initializer(_initializer);
try initializer.getConfig() returns (address router, address constructorLP) {
dexRouter = IRouter02(router); lpPair = constructorLP; lpPairs[constructorLP] = true;
_approve(_owner, address(dexRouter), type(uint256).max);
_approve(address(this), address(dexRouter), type(uint256).max);
} catch { revert(); }
}
function isExcludedFromProtection(address account) external view returns (bool) {
return _isExcludedFromProtection[account];
}
function setExcludedFromProtection(address account, bool enabled) external onlyOwner {
_isExcludedFromProtection[account] = enabled;
}
function getCirculatingSupply() public view returns (uint256) {
return (_tTotal - (balanceOf(DEAD) + balanceOf(address(0))));
}
function removeSniper(address account) external onlyOwner {
initializer.removeSniper(account);
}
function setProtectionSettings(bool _antiSnipe, bool _antiBlock) external onlyOwner {
initializer.setProtections(_antiSnipe, _antiBlock);
}
function excludePresaleAddresses(address router, address presale) external onlyOwner {
require(allowedPresaleExclusion);
require(router != address(this)
&& presale != address(this)
&& lpPair != router
&& lpPair != presale, "Just don't.");
if (router == presale) {
_liquidityHolders[presale] = true;
} else {
_liquidityHolders[router] = true;
_liquidityHolders[presale] = true;
}
}
function _hasLimits(address from, address to) internal view returns (bool) {
return from != _owner
&& to != _owner
&& tx.origin != _owner
&& !_liquidityHolders[to]
&& !_liquidityHolders[from]
&& to != DEAD
&& to != address(0)
&& from != address(this)
&& from != address(initializer)
&& to != address(initializer);
}
function _transfer(address from, address to, uint256 amount) internal returns (bool) {
require(from != address(0), "ERC20: transfer from the zero address");
require(to != address(0), "ERC20: transfer to the zero address");
require(amount > 0, "Transfer amount must be greater than zero");
bool buy = false;
bool sell = false;
bool other = false;
if (lpPairs[from]) {
buy = true;
} else if (lpPairs[to]) {
sell = true;
} else {
other = true;
}
if (_hasLimits(from, to)) {
if(!tradingEnabled) {
if (!other) {
revert("Trading not yet enabled!");
} else if (!_isExcludedFromProtection[from] && !_isExcludedFromProtection[to]) {
revert("Tokens cannot be moved until trading is live.");
}
}
}
return finalizeTransfer(from, to, amount, other);
}
function _checkLiquidityAdd(address from, address to) internal {
require(!_hasLiqBeenAdded, "Liquidity already added and marked.");
if (!_hasLimits(from, to) && to == lpPair) {
if (address(initializer) == address(0)){
initializer = Initializer(address(this));
} else {
_liquidityHolders[from] = true;
_hasLiqBeenAdded = true;
}
}
}
function enableTrading() public onlyOwner {
require(!tradingEnabled, "Trading already enabled!");
require(_hasLiqBeenAdded, "Liquidity must be added.");
if (address(initializer) == address(0)){
initializer = Initializer(address(this));
}
try initializer.setLaunch(lpPair, uint32(block.number), uint64(block.timestamp), _decimals) {} catch {}
tradingEnabled = true;
allowedPresaleExclusion = false;
}
function sweepBalance() external onlyOwner {
payable(_owner).transfer(address(this).balance);
}
function sweepExternalTokens(address token) external onlyOwner {
IERC20 TOKEN = IERC20(token);
TOKEN.transfer(_owner, TOKEN.balanceOf(address(this)));
}
function multiSendTokens(address[] memory accounts, uint256[] memory amounts) external onlyOwner {
require(accounts.length == amounts.length, "Lengths do not match.");
for (uint16 i = 0; i < accounts.length; i++) {
require(balanceOf(msg.sender) >= amounts[i]*10**_decimals, "Not enough tokens.");
finalizeTransfer(msg.sender, accounts[i], amounts[i]*10**_decimals, true);
}
}
function finalizeTransfer(address from, address to, uint256 amount, bool other) internal returns (bool) {
if (_hasLimits(from, to)) { bool checked;
try initializer.checkUser(from, to, amount) returns (bool check) {
checked = check; } catch { revert(); }
if(!checked) { revert(); }
}
_tOwned[from] -= amount;
_tOwned[to] += amount;
emit Transfer(from, to, amount);
if (!_hasLiqBeenAdded) {
_checkLiquidityAdd(from, to);
if (!_hasLiqBeenAdded && _hasLimits(from, to) && !_isExcludedFromProtection[from] && !_isExcludedFromProtection[to] && !other) {
revert("Pre-liquidity transfer protection.");
}
}
return true;
}
}