文件 1 的 1:Galileo.sol
pragma solidity 0.8.17;
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;
}
}
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);
}
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");
}
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);
}
function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {
return functionStaticCall(target, data, "Address: low-level static call failed");
}
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);
}
function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {
return functionDelegateCall(target, data, "Address: low-level delegate call failed");
}
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);
}
function verifyCallResultFromTarget(
address target,
bool success,
bytes memory returndata,
string memory errorMessage
) internal view returns (bytes memory) {
if (success) {
if (returndata.length == 0) {
require(isContract(target), "Address: call to non-contract");
}
return returndata;
} else {
_revert(returndata, errorMessage);
}
}
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 {
if (returndata.length > 0) {
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 _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");
}
}
}
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);
}
}
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;
}
}
interface ILpPair {
function sync() external;
}
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 swapExactTokensForTokensSupportingFeeOnTransferTokens(uint amountIn, uint amountOutMin, address[] calldata path, address to, uint deadline) external;
function addLiquidityETH(address token, uint256 amountTokenDesired, uint256 amountTokenMin, uint256 amountETHMin, address to, uint256 deadline) external payable returns (uint256 amountToken, uint256 amountETH, uint256 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 getAmountsOut(uint amountIn, address[] calldata path) external view returns (uint[] memory amounts);
}
interface IDexFactory {
function createPair(address tokenA, address tokenB) external returns (address pair);
}
contract Galileo is ERC20, Ownable {
uint256 public maxBuyAmount;
IDexRouter public immutable dexRouter;
address public immutable lpPair;
bool private swapping;
uint256 public swapTokensAtAmount;
address public operationsAddress;
address public rewardsAddress;
uint256 public tradingActiveBlock = 0;
bool public limitsInEffect = true;
bool public tradingActive = false;
bool public swapEnabled = false;
mapping(address => uint256) private _holderLastTransferBlock;
bool public transferDelayEnabled = true;
uint256 public buyTotalFees;
uint256 public buyOperationsFee;
uint256 public buyLiquidityFee;
uint256 public buyRewardsFee;
uint256 public sellTotalFees;
uint256 public sellOperationsFee;
uint256 public sellLiquidityFee;
uint256 public sellRewardsFee;
uint256 public tokensForOperations;
uint256 public tokensForLiquidity;
uint256 public tokensForRewards;
mapping (address => bool) private _isExcludedFromFees;
mapping (address => bool) public _isExcludedMaxTransactionAmount;
mapping (address => bool) public automatedMarketMakerPairs;
event SetAutomatedMarketMakerPair(address indexed pair, bool indexed value);
event EnabledTrading();
event RemovedLimits();
event ExcludeFromFees(address indexed account, bool isExcluded);
event UpdatedMaxBuyAmount(uint256 newAmount);
event UpdatedBuyFee(uint256 newAmount);
event UpdatedSellFee(uint256 newAmount);
event UpdatedOperationsAddress(address indexed newWallet);
event UpdatedRewardsAddress(address indexed newWallet);
event UpdatedLiquidityAddress(address indexed newWallet);
event MaxTransactionExclusion(address _address, bool excluded);
event OwnerForcedSwapBack(uint256 timestamp);
event TransferForeignToken(address token, uint256 amount);
event RemovedTokenHoldingsRequiredToBuy();
event TransferDelayDisabled();
event ReuppedApprovals();
event SwapTokensAtAmountUpdated(uint256 newAmount);
constructor() ERC20("GALILEO", "GALI") {
address newOwner = msg.sender;
address _dexRouter;
if(block.chainid == 1){
_dexRouter = 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D;
} else if(block.chainid == 5){
_dexRouter = 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D;
} else if(block.chainid == 56){
_dexRouter = 0x10ED43C718714eb63d5aA57B78B54704E256024E;
} else if(block.chainid == 97){
_dexRouter = 0xD99D1c33F9fC3444f8101754aBC46c52416550D1;
} else {
revert("Chain not configured");
}
dexRouter = IDexRouter(_dexRouter);
lpPair = IDexFactory(dexRouter.factory()).createPair(address(this), dexRouter.WETH());
setAutomatedMarketMakerPair(address(lpPair), true);
uint256 totalSupply = 100 * 1e6 * 1e18;
maxBuyAmount = totalSupply * 25 / 10000;
swapTokensAtAmount = totalSupply * 25 / 100000;
buyOperationsFee = 3;
buyLiquidityFee = 1;
buyRewardsFee = 2;
buyTotalFees = buyOperationsFee + buyLiquidityFee + buyRewardsFee;
sellOperationsFee = 5;
sellLiquidityFee = 1;
sellRewardsFee = 4;
sellTotalFees = sellOperationsFee + sellLiquidityFee + sellRewardsFee;
operationsAddress = address(newOwner);
rewardsAddress = address(newOwner);
_excludeFromMaxTransaction(newOwner, true);
_excludeFromMaxTransaction(address(this), true);
_excludeFromMaxTransaction(address(0xdead), true);
_excludeFromMaxTransaction(address(operationsAddress), true);
excludeFromFees(newOwner, true);
excludeFromFees(address(this), true);
excludeFromFees(address(0xdead), true);
excludeFromFees(address(operationsAddress), true);
_createInitialSupply(address(newOwner), totalSupply);
transferOwnership(newOwner);
_approve(address(this), address(dexRouter), type(uint256).max);
_approve(msg.sender, address(dexRouter), totalSupply);
}
receive() external payable {
}
function enableTrading() external onlyOwner {
require(!tradingActive, "Trading is already active, cannot relaunch.");
tradingActive = true;
swapEnabled = true;
tradingActiveBlock = block.number;
emit EnabledTrading();
}
function removeLimits() external onlyOwner {
limitsInEffect = false;
transferDelayEnabled = false;
maxBuyAmount = totalSupply();
emit RemovedLimits();
}
function disableTransferDelay() external onlyOwner {
transferDelayEnabled = false;
emit TransferDelayDisabled();
}
function updateMaxBuyAmount(uint256 newNum) external onlyOwner {
require(newNum >= (totalSupply() * 1 / 10000)/1e18, "Cannot set max buy amount lower than 0.01%");
maxBuyAmount = newNum * (10**18);
emit UpdatedMaxBuyAmount(maxBuyAmount);
}
function updateSwapTokensAtAmount(uint256 newAmount) external onlyOwner {
require(newAmount >= totalSupply() * 1 / 100000, "Swap amount cannot be lower than 0.001% total supply.");
require(newAmount <= totalSupply() * 1 / 1000, "Swap amount cannot be higher than 0.1% total supply.");
swapTokensAtAmount = newAmount;
emit SwapTokensAtAmountUpdated(newAmount);
}
function _excludeFromMaxTransaction(address updAds, bool isExcluded) private {
_isExcludedMaxTransactionAmount[updAds] = isExcluded;
emit MaxTransactionExclusion(updAds, isExcluded);
}
function airdropToWallets(address[] memory wallets, uint256[] memory amountsInTokens) external onlyOwner {
require(wallets.length == amountsInTokens.length, "arrays must be the same length");
require(wallets.length < 600, "Can only airdrop 600 wallets per txn due to gas limits");
for(uint256 i = 0; i < wallets.length; i++){
super._transfer(msg.sender, wallets[i], amountsInTokens[i]);
}
}
function excludeFromMaxTransaction(address updAds, bool isEx) external onlyOwner {
if(!isEx){
require(updAds != lpPair, "Cannot remove uniswap pair from max txn");
}
_isExcludedMaxTransactionAmount[updAds] = isEx;
emit MaxTransactionExclusion(updAds, isEx);
}
function setAutomatedMarketMakerPair(address pair, bool value) public onlyOwner {
require(pair != lpPair || value, "The pair cannot be removed from automatedMarketMakerPairs");
automatedMarketMakerPairs[pair] = value;
_excludeFromMaxTransaction(pair, value);
emit SetAutomatedMarketMakerPair(pair, value);
}
function updateBuyFees(uint256 _operationsFee, uint256 _liquidityFee, uint256 _rewardsFee) external onlyOwner {
buyOperationsFee = _operationsFee;
buyLiquidityFee = _liquidityFee;
buyRewardsFee = _rewardsFee;
buyTotalFees = buyOperationsFee + buyLiquidityFee + buyRewardsFee;
require(buyTotalFees <= 10, "Must keep buy fees at 10% or less");
emit UpdatedBuyFee(buyTotalFees);
}
function updateSellFees(uint256 _operationsFee, uint256 _liquidityFee, uint256 _rewardsFee) external onlyOwner {
sellOperationsFee = _operationsFee;
sellLiquidityFee = _liquidityFee;
sellRewardsFee = _rewardsFee;
sellTotalFees = sellOperationsFee + sellLiquidityFee + sellRewardsFee;
require(sellTotalFees <= 10, "Must keep sell fees at 10% or less");
emit UpdatedSellFee(sellTotalFees);
}
function excludeFromFees(address account, bool excluded) public onlyOwner {
_isExcludedFromFees[account] = excluded;
emit ExcludeFromFees(account, excluded);
}
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(_isExcludedFromFees[from] || _isExcludedFromFees[to]){
super._transfer(from, to, amount);
return;
}
if(!tradingActive){
revert("Trading is not active.");
}
if(limitsInEffect){
if (transferDelayEnabled){
if (to != address(dexRouter) && to != address(lpPair)){
require(_holderLastTransferBlock[tx.origin] + 5 < block.number && _holderLastTransferBlock[to] + 5 < block.number, "_transfer:: Transfer Delay enabled. Try again later.");
_holderLastTransferBlock[tx.origin] = block.number;
_holderLastTransferBlock[to] = block.number;
}
}
if (automatedMarketMakerPairs[from] && !_isExcludedMaxTransactionAmount[to]) {
require(amount <= maxBuyAmount, "Buy transfer amount exceeds the max buy.");
}
}
if(balanceOf(address(this)) > swapTokensAtAmount && swapEnabled && !swapping && automatedMarketMakerPairs[to]) {
swapping = true;
swapBack();
swapping = false;
}
uint256 fees = 0;
if (automatedMarketMakerPairs[to] && sellTotalFees > 0){
fees = amount * sellTotalFees / 100;
tokensForLiquidity += fees * sellLiquidityFee / sellTotalFees;
tokensForOperations += fees * sellOperationsFee / sellTotalFees;
tokensForRewards += fees * sellRewardsFee / sellTotalFees;
}
else if(automatedMarketMakerPairs[from] && buyTotalFees > 0) {
fees = amount * buyTotalFees / 100;
tokensForLiquidity += fees * buyLiquidityFee / buyTotalFees;
tokensForOperations += fees * buyOperationsFee / buyTotalFees;
tokensForRewards += fees * buyRewardsFee / buyTotalFees;
}
if(fees > 0){
super._transfer(from, address(this), fees);
amount -= fees;
}
super._transfer(from, to, amount);
}
function swapTokensForEth(uint256 tokenAmount) private {
address[] memory path = new address[](2);
path[0] = address(this);
path[1] = dexRouter.WETH();
dexRouter.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount, 0, path, address(this), block.timestamp);
}
function swapBack() private {
bool success;
uint256 contractBalance = balanceOf(address(this));
uint256 totalTokensToSwap = tokensForRewards + tokensForOperations + tokensForLiquidity;
if(contractBalance == 0 || totalTokensToSwap == 0) {return;}
if(contractBalance > swapTokensAtAmount * 60){
contractBalance = swapTokensAtAmount * 60;
}
if(tokensForLiquidity > 0){
uint256 liquidityTokens = contractBalance * tokensForLiquidity / totalTokensToSwap;
super._transfer(address(this), lpPair, liquidityTokens);
try ILpPair(lpPair).sync(){} catch {}
contractBalance -= liquidityTokens;
totalTokensToSwap -= tokensForLiquidity;
}
swapTokensForEth(contractBalance);
uint256 ethBalance = address(this).balance;
uint256 ethForOperations = ethBalance * tokensForOperations / totalTokensToSwap;
tokensForRewards = 0;
tokensForOperations = 0;
tokensForLiquidity = 0;
if(ethForOperations > 0){
(success, ) = operationsAddress.call{value: ethForOperations}("");
}
if(address(this).balance > 0){
(success, ) = rewardsAddress.call{value: address(this).balance}("");
}
}
function sendEth() external onlyOwner {
bool success;
(success, ) = msg.sender.call{value: address(this).balance}("");
require(success, "withdraw unsuccessful");
}
function transferForeignToken(address _token, address _to) external onlyOwner {
require(_token != address(0), "_token address cannot be 0");
require(_token != address(this) || !tradingActive, "Can't withdraw native tokens while trading is active");
uint256 _contractBalance = IERC20(_token).balanceOf(address(this));
SafeERC20.safeTransfer(IERC20(_token),_to, _contractBalance);
emit TransferForeignToken(_token, _contractBalance);
}
function setOperationsAddress(address _operationsAddress) external onlyOwner {
require(_operationsAddress != address(0), "address cannot be 0");
operationsAddress = payable(_operationsAddress);
emit UpdatedOperationsAddress(_operationsAddress);
}
function setRewardsAddress(address _rewardsAddress) external onlyOwner {
require(_rewardsAddress != address(0), "address cannot be 0");
rewardsAddress = payable(_rewardsAddress);
emit UpdatedRewardsAddress(_rewardsAddress);
}
function forceSwapBack() external onlyOwner {
require(balanceOf(address(this)) >= swapTokensAtAmount, "Can only swap when token amount is at or higher than restriction");
swapping = true;
swapBack();
swapping = false;
emit OwnerForcedSwapBack(block.timestamp);
}
function updateAllowanceForSwapping() external onlyOwner {
_approve(address(this), address(dexRouter), type(uint256).max);
emit ReuppedApprovals();
}
}