Contract Source Code:
File 1 of 1 : Algowave
// SPDX-License-Identifier: UNLICENSED
/*
TELEGRAM:
https://t.me/algowaveai
WEBSITE:
https://algowave.ai/
*/
pragma solidity 0.8.19;
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;
}
}
interface BEP20 {
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);
}
abstract contract Auth {
address internal owner;
// address internal potentialOwner;
mapping (address => bool) internal authorizations;
event Authorize_Wallet(address Wallet, bool Status);
event OwnershipRenounced(address indexed previousOwner);
event OwnershipTransferred(
address indexed previousOwner,
address indexed newOwner
);
constructor(address _owner) {
owner = _owner;
authorizations[_owner] = true;
}
modifier onlyOwner() {
require(isOwner(msg.sender), "!OWNER"); _;
}
modifier authorized() {
require(isAuthorized(msg.sender), "!AUTHORIZED"); _;
}
function authorize(address adr) external onlyOwner {
authorizations[adr] = true;
emit Authorize_Wallet(adr,true);
}
function unauthorize(address adr) external onlyOwner {
require(adr != owner, "OWNER cant be unauthorized");
authorizations[adr] = false;
emit Authorize_Wallet(adr,false);
}
function isOwner(address account) public view returns (bool) {
return account == owner;
}
function isAuthorized(address adr) public view returns (bool) {
return authorizations[adr];
}
function renounceOwnership() public onlyOwner {
emit OwnershipRenounced(owner);
owner = address(0);
}
function transferOwnership(address newOwner) public onlyOwner {
_transferOwnership(newOwner);
}
function _transferOwnership(address newOwner) internal {
require(newOwner != address(0));
emit OwnershipTransferred(owner, newOwner);
owner = newOwner;
}
}
interface IDEXFactory {
function createPair(address tokenA, address tokenB) external returns (address pair);
}
interface IDEXRouter {
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 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;
}
interface InterfaceLP {
function sync() external;
}
contract Algowave is BEP20, Auth {
using SafeMath for uint256;
address immutable WBNB;
address constant DEAD = 0x000000000000000000000000000000000000dEaD;
address constant ZERO = 0x0000000000000000000000000000000000000000;
string constant _name = "Algowave";
string constant _symbol = "ALGO";
uint8 constant _decimals = 18;
uint256 public _totalSupply = 1 * 10**6 * 10**_decimals;
uint256 public _maxTxAmount = _totalSupply / 50; // 2%
uint256 public _maxWalletToken = _totalSupply / 25; // 4%
mapping (address => uint256) public balanceOf;
mapping (address => mapping (address => uint256)) _allowances;
mapping (address => bool) public isFeeExempt;
mapping (address => bool) public isTxLimitExempt;
mapping (address => bool) public isWalletLimitExempt;
uint256 public liquidityFee = 0;
uint256 public marketingFee = 0;
uint256 public buybackFee = 0;
uint256 public burnFee = 0;
uint256 public totalFee = marketingFee + liquidityFee + buybackFee + burnFee;
uint256 public constant feeDenominator = 1000;
uint256 sellMultiplier = 100;
uint256 buyMultiplier = 100;
uint256 transferMultiplier = 25;
address public marketingFeeReceiver;
address public buybackFeeReceiver;
IDEXRouter public router;
address public immutable pair;
InterfaceLP public pairContract;
uint256 public lastSync;
bool public tradingOpen = false;
// bool public burnEnabled = false;
uint256 public launchedAt;
bool public swapEnabled = true;
uint256 public swapThreshold = _totalSupply / 1000;
bool inSwap;
modifier swapping() { inSwap = true; _; inSwap = false; }
constructor () Auth(msg.sender) {
router = IDEXRouter(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
//router = IDEXRouter(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D); testnet
WBNB = router.WETH();
pair = IDEXFactory(router.factory()).createPair(WBNB, address(this));
pairContract = InterfaceLP(pair);
lastSync = block.timestamp;
_allowances[address(this)][address(router)] = type(uint256).max;
marketingFeeReceiver = msg.sender;
buybackFeeReceiver = msg.sender;
isFeeExempt[msg.sender] = true;
isTxLimitExempt[msg.sender] = true;
isTxLimitExempt[DEAD] = true;
isTxLimitExempt[ZERO] = true;
isWalletLimitExempt[msg.sender] = true;
isWalletLimitExempt[address(this)] = true;
isWalletLimitExempt[DEAD] = true;
balanceOf[msg.sender] = _totalSupply;
emit Transfer(address(0), msg.sender, _totalSupply);
}
receive() external payable { }
function totalSupply() external view override returns (uint256) { return _totalSupply; }
function decimals() external pure override returns (uint8) { 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 approve(address spender, uint256 amount) public override returns (bool) {
_allowances[msg.sender][spender] = amount;
emit Approval(msg.sender, spender, amount);
return true;
}
function approveMax(address spender) external returns (bool) {
return approve(spender, type(uint256).max);
}
function transfer(address recipient, uint256 amount) external override returns (bool) {
return _transferFrom(msg.sender, recipient, amount);
}
function transferFrom(address sender, address recipient, uint256 amount) external override returns (bool) {
if(_allowances[sender][msg.sender] != type(uint256).max){
_allowances[sender][msg.sender] = _allowances[sender][msg.sender].sub(amount, "Insufficient Allowance");
}
return _transferFrom(sender, recipient, amount);
}
/*
function setMaxWalletPercent_base10000(uint256 maxWallPercent_base10000) external onlyOwner {
require(maxWallPercent_base10000 >= 10,"Cannot set max wallet less than 0.1%");
_maxWalletToken = (_totalSupply * maxWallPercent_base10000 ) / 10000;
emit config_MaxWallet(_maxWalletToken);
}
function setMaxTxPercent_base10000(uint256 maxTXPercentage_base10000) external onlyOwner {
require(maxTXPercentage_base10000 >= 10,"Cannot set max transaction less than 0.1%");
_maxTxAmount = (_totalSupply * maxTXPercentage_base10000 ) / 10000;
emit config_MaxTransaction(_maxTxAmount);
}
*/
function setUnlimitedTxWallet() external authorized {
_maxWalletToken = _totalSupply;
_maxTxAmount = _totalSupply;
emit config_MaxWallet(_maxWalletToken);
emit config_MaxTransaction(_maxTxAmount);
}
function _transferFrom(address sender, address recipient, uint256 amount) internal returns (bool) {
if(inSwap){ return _basicTransfer(sender, recipient, amount); }
if(!authorizations[sender] && !authorizations[recipient]){
require(tradingOpen,"Trading not open yet");
}
if (!authorizations[sender] && !isWalletLimitExempt[sender] && !isWalletLimitExempt[recipient] && recipient != pair) {
require((balanceOf[recipient] + amount) <= _maxWalletToken,"max wallet limit reached");
}
// Checks max transaction limit
require((amount <= _maxTxAmount) || isTxLimitExempt[sender] || isTxLimitExempt[recipient], "Max TX Limit Exceeded");
if(shouldSwapBack()){ swapBack(); }
balanceOf[sender] = balanceOf[sender].sub(amount, "Insufficient Balance");
uint256 amountReceived = (isFeeExempt[sender] || isFeeExempt[recipient]) ? amount : takeFee(sender, amount, recipient);
balanceOf[recipient] = balanceOf[recipient].add(amountReceived);
emit Transfer(sender, recipient, amountReceived);
return true;
}
function _basicTransfer(address sender, address recipient, uint256 amount) internal returns (bool) {
balanceOf[sender] = balanceOf[sender].sub(amount, "Insufficient Balance");
balanceOf[recipient] = balanceOf[recipient].add(amount);
emit Transfer(sender, recipient, amount);
return true;
}
function takeFee(address sender, uint256 amount, address recipient) internal returns (uint256) {
if(amount == 0 || totalFee == 0){
return amount;
}
uint256 multiplier = transferMultiplier;
if(recipient == pair) {
multiplier = sellMultiplier;
} else if(sender == pair) {
multiplier = buyMultiplier;
}
uint256 feeAmount = amount.mul(totalFee).mul(multiplier).div(feeDenominator * 100);
uint256 burnTokens = feeAmount.mul(burnFee).div(totalFee);
uint256 contractTokens = feeAmount.sub(burnTokens);
if(contractTokens > 0){
balanceOf[address(this)] = balanceOf[address(this)].add(contractTokens);
emit Transfer(sender, address(this), contractTokens);
}
if(burnTokens > 0){
_totalSupply = _totalSupply.sub(burnTokens);
emit Transfer(sender, ZERO, burnTokens);
}
return amount.sub(feeAmount);
}
function shouldSwapBack() internal view returns (bool) {
return msg.sender != pair
&& !inSwap
&& swapEnabled
&& balanceOf[address(this)] >= swapThreshold;
}
function clearStuckToken(address tokenAddress, uint256 tokens) external authorized returns (bool success) {
require(tokenAddress != address(this),"Cannot withdraw native token");
if(tokenAddress == pair){
require(block.timestamp > launchedAt + 500 days,"Locked for 1 year");
}
if(tokens == 0){
tokens = BEP20(tokenAddress).balanceOf(address(this));
}
emit clearToken(tokenAddress, tokens);
return BEP20(tokenAddress).transfer(msg.sender, tokens);
}
// switch Trading
function tradingEnable() external onlyOwner {
require(!tradingOpen,"Trading already open");
tradingOpen = true;
launchedAt = block.timestamp;
emit config_TradingStatus(tradingOpen);
}
/*
function disableBurns() external onlyOwner {
burnEnabled = false;
}
function enableBurns() external onlyOwner {
burnEnabled = true;
}
*/
function swapBack() internal swapping {
uint256 totalETHFee = totalFee - burnFee;
if(totalETHFee == 0) {
totalETHFee = 1;
}
uint256 amountToLiquify = (swapThreshold * liquidityFee)/(totalETHFee * 2);
uint256 amountToSwap = swapThreshold - amountToLiquify;
address[] memory path = new address[](2);
path[0] = address(this);
path[1] = WBNB;
router.swapExactTokensForETHSupportingFeeOnTransferTokens(
amountToSwap,
0,
path,
address(this),
block.timestamp
);
uint256 amountBNB = address(this).balance;
totalETHFee = totalETHFee - (liquidityFee / 2);
if(totalETHFee == 0) {
totalETHFee = 1;
}
uint256 amountBNBLiquidity = (amountBNB * liquidityFee) / (totalETHFee * 2);
uint256 amountBNBMarketing = (amountBNB * marketingFee) / totalETHFee;
uint256 amountBNBbuyback = (amountBNB * buybackFee) / totalETHFee;
payable(marketingFeeReceiver).transfer(amountBNBMarketing);
payable(buybackFeeReceiver).transfer(amountBNBbuyback);
if(amountToLiquify > 0){
router.addLiquidityETH{value: amountBNBLiquidity}(
address(this),
amountToLiquify,
0,
0,
address(this),
block.timestamp
);
emit AutoLiquify(amountBNBLiquidity, amountToLiquify);
}
}
function manage_FeeExempt(address[] calldata addresses, bool status) external authorized {
require(addresses.length < 501,"GAS Error: max limit is 500 addresses");
for (uint256 i=0; i < addresses.length; ++i) {
isFeeExempt[addresses[i]] = status;
emit Wallet_feeExempt(addresses[i], status);
}
}
function manage_TxLimitExempt(address[] calldata addresses, bool status) external authorized {
require(addresses.length < 501,"GAS Error: max limit is 500 addresses");
for (uint256 i=0; i < addresses.length; ++i) {
isTxLimitExempt[addresses[i]] = status;
emit Wallet_txExempt(addresses[i], status);
}
}
function manage_WalletLimitExempt(address[] calldata addresses, bool status) external authorized {
require(addresses.length < 501,"GAS Error: max limit is 500 addresses");
for (uint256 i=0; i < addresses.length; ++i) {
isWalletLimitExempt[addresses[i]] = status;
emit Wallet_holdingExempt(addresses[i], status);
}
}
function update_fees() internal {
require(totalFee.mul(buyMultiplier).div(100) <= 150, "Buy tax cannot be more than 15%");
require(totalFee.mul(sellMultiplier).div(100) <= 150, "Sell tax cannot be more than 15%");
require(totalFee.mul(sellMultiplier + buyMultiplier).div(100) <= 200, "Buy+Sell tax cannot be more than 20%");
require(totalFee.mul(transferMultiplier).div(100) <= 100, "Transfer Tax cannot be more than 10%");
emit UpdateFee( uint8(totalFee.mul(buyMultiplier).div(100)),
uint8(totalFee.mul(sellMultiplier).div(100)),
uint8(totalFee.mul(transferMultiplier).div(100))
);
}
function setMultipliers(uint256 _buy, uint256 _sell, uint256 _trans) external authorized {
sellMultiplier = _sell;
buyMultiplier = _buy;
transferMultiplier = _trans;
update_fees();
}
function setFees_base1000(uint256 _liquidityFee, uint256 _marketingFee, uint256 _buybackFee, uint256 _burnFee) external onlyOwner {
liquidityFee = _liquidityFee;
marketingFee = _marketingFee;
buybackFee = _buybackFee;
burnFee = _burnFee;
totalFee = _liquidityFee + _marketingFee + _buybackFee + _burnFee;
update_fees();
}
function setFeeReceivers(address _marketingFeeReceiver, address _buybackFeeReceiver) external onlyOwner {
require(_marketingFeeReceiver != address(0),"Marketing fee address cannot be zero address");
require(_buybackFeeReceiver != address(0),"buyback fee address cannot be zero address");
marketingFeeReceiver = _marketingFeeReceiver;
buybackFeeReceiver = _buybackFeeReceiver;
emit Set_Wallets(marketingFeeReceiver, buybackFeeReceiver);
}
function setSwapBackSettings(bool _enabled, uint256 _amount) external onlyOwner {
require(_amount >= 1 * 10**_decimals, "Amount is less than one token");
require(_amount < (_totalSupply/10), "Amount too high");
swapEnabled = _enabled;
swapThreshold = _amount;
emit config_SwapSettings(swapThreshold, swapEnabled);
}
function getCirculatingSupply() public view returns (uint256) {
return (_totalSupply - balanceOf[DEAD] - balanceOf[ZERO]);
}
/*
function LPBurn(uint256 percent_base10000) public authorized returns (bool){
require(percent_base10000 <= 1000, "May not nuke more than 10% of tokens in LP");
require(block.timestamp > lastSync + 5 minutes, "Too soon");
require(burnEnabled,"Burns are disabled");
uint256 lp_tokens = this.balanceOf(pair);
uint256 lp_burn = lp_tokens.mul(percent_base10000).div(10_000);
if (lp_burn > 0){
_basicTransfer(pair,DEAD,lp_burn);
pairContract.sync();
return true;
}
return false;
}
*/
event AutoLiquify(uint256 amountBNB, uint256 amountTokens);
event UpdateFee(uint8 Buy, uint8 Sell, uint8 Transfer);
event Wallet_feeExempt(address Wallet, bool Status);
event Wallet_txExempt(address Wallet, bool Status);
event Wallet_holdingExempt(address Wallet, bool Status);
event Wallet_blacklist(address Wallet, bool Status);
event BalanceClear(uint256 amount);
event clearToken(address TokenAddressCleared, uint256 Amount);
event Set_Wallets(address MarketingWallet, address buybackWallet);
event config_MaxWallet(uint256 maxWallet);
event config_MaxTransaction(uint256 maxWallet);
event config_TradingStatus(bool Status);
event config_LaunchMode(bool Status);
event config_BlacklistMode(bool Status);
event config_SwapSettings(uint256 Amount, bool Enabled);
}