文件 1 的 1:hm.sol
pragma solidity ^0.8.18;
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);
}
library SafeMath {
function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
require(c >= a, "SafeMath: addition overflow");
return c;
}
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
return sub(a, b, "SafeMath: subtraction overflow");
}
function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b <= a, errorMessage);
uint256 c = a - b;
return c;
}
function mul(uint256 a, uint256 b) internal pure returns (uint256) {
if (a == 0) {
return 0;
}
uint256 c = a * b;
require(c / a == b, "SafeMath: multiplication overflow");
return c;
}
function div(uint256 a, uint256 b) internal pure returns (uint256) {
return div(a, b, "SafeMath: division by zero");
}
function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b > 0, errorMessage);
uint256 c = a / b;
return c;
}
function mod(uint256 a, uint256 b) internal pure returns (uint256) {
return mod(a, b, "SafeMath: modulo by zero");
}
function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b != 0, errorMessage);
return a % b;
}
}
library Address {
function isContract(address account) internal view returns (bool) {
bytes32 codehash;
bytes32 accountHash = 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470;
assembly { codehash := extcodehash(account) }
return (codehash != accountHash && codehash != 0x0);
}
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 functionCall(target, data, "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");
return _functionCallWithValue(target, data, value, errorMessage);
}
function _functionCallWithValue(address target, bytes memory data, uint256 weiValue, string memory errorMessage) private returns (bytes memory) {
require(isContract(target), "Address: call to non-contract");
(bool success, bytes memory returndata) = target.call{ value: weiValue }(data);
if (success) {
return returndata;
} else {
if (returndata.length > 0) {
assembly {
let returndata_size := mload(returndata)
revert(add(32, returndata), returndata_size)
}
} else {
revert(errorMessage);
}
}
}
}
abstract contract Context {
function _msgSender() internal view virtual returns (address payable) {
return payable(msg.sender);
}
function _msgData() internal view virtual returns (bytes memory) {
this;
return msg.data;
}
}
contract Ownable is Context {
address private _owner;
address private _previousOwner;
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 waiveOwnership() public virtual onlyOwner {
emit OwnershipTransferred(_owner, address(0));
_owner = address(0);
}
function transferOwnership(address newOwner) public virtual onlyOwner {
require(newOwner != address(0), "Ownable: new owner is the zero address");
emit OwnershipTransferred(_owner, newOwner);
_owner = newOwner;
}
}
interface IUniswapV2Factory {
event PairCreated(address indexed token0, address indexed token1, address pair, uint);
function feeTo() external view returns (address);
function feeToSetter() external view returns (address);
function getPair(address tokenA, address tokenB) external view returns (address pair);
function allPairs(uint) external view returns (address pair);
function allPairsLength() external view returns (uint);
function createPair(address tokenA, address tokenB) external returns (address pair);
function setFeeTo(address) external;
function setFeeToSetter(address) external;
}
interface IUniswapV2Pair {
event Approval(address indexed owner, address indexed spender, uint value);
event Transfer(address indexed from, address indexed to, uint value);
function name() external pure returns (string memory);
function symbol() external pure returns (string memory);
function decimals() external pure returns (uint8);
function totalSupply() external view returns (uint);
function balanceOf(address owner) external view returns (uint);
function allowance(address owner, address spender) external view returns (uint);
function approve(address spender, uint value) external returns (bool);
function transfer(address to, uint value) external returns (bool);
function transferFrom(address from, address to, uint value) external returns (bool);
function DOMAIN_SEPARATOR() external view returns (bytes32);
function PERMIT_TYPEHASH() external pure returns (bytes32);
function nonces(address owner) external view returns (uint);
function permit(address owner, address spender, uint value, uint deadline, uint8 v, bytes32 r, bytes32 s) external;
event Burn(address indexed sender, uint amount0, uint amount1, address indexed to);
event Swap(
address indexed sender,
uint amount0In,
uint amount1In,
uint amount0Out,
uint amount1Out,
address indexed to
);
event Sync(uint112 reserve0, uint112 reserve1);
function MINIMUM_LIQUIDITY() external pure returns (uint);
function factory() external view returns (address);
function token0() external view returns (address);
function token1() external view returns (address);
function getReserves() external view returns (uint112 reserve0, uint112 reserve1, uint32 blockTimestampLast);
function price0CumulativeLast() external view returns (uint);
function price1CumulativeLast() external view returns (uint);
function kLast() external view returns (uint);
function burn(address to) external returns (uint amount0, uint amount1);
function swap(uint amount0Out, uint amount1Out, address to, bytes calldata data) external;
function skim(address to) external;
function sync() external;
function initialize(address, address) external;
}
interface IUniswapV2Router01 {
function factory() external pure returns (address);
function WETH() external pure returns (address);
function addLiquidity(
address tokenA,
address tokenB,
uint amountADesired,
uint amountBDesired,
uint amountAMin,
uint amountBMin,
address to,
uint deadline
) external returns (uint amountA, uint amountB, uint liquidity);
function addLiquidityETH(
address token,
uint amountTokenDesired,
uint amountTokenMin,
uint amountETHMin,
address to,
uint deadline
) external payable returns (uint amountToken, uint amountETH, uint liquidity);
function removeLiquidity(
address tokenA,
address tokenB,
uint liquidity,
uint amountAMin,
uint amountBMin,
address to,
uint deadline
) external returns (uint amountA, uint amountB);
function removeLiquidityETH(
address token,
uint liquidity,
uint amountTokenMin,
uint amountETHMin,
address to,
uint deadline
) external returns (uint amountToken, uint amountETH);
function removeLiquidityWithPermit(
address tokenA,
address tokenB,
uint liquidity,
uint amountAMin,
uint amountBMin,
address to,
uint deadline,
bool approveMax, uint8 v, bytes32 r, bytes32 s
) external returns (uint amountA, uint amountB);
function removeLiquidityETHWithPermit(
address token,
uint liquidity,
uint amountTokenMin,
uint amountETHMin,
address to,
uint deadline,
bool approveMax, uint8 v, bytes32 r, bytes32 s
) external returns (uint amountToken, uint amountETH);
function swapExactTokensForTokens(
uint amountIn,
uint amountOutMin,
address[] calldata path,
address to,
uint deadline
) external returns (uint[] memory amounts);
function swapTokensForExactTokens(
uint amountOut,
uint amountInMax,
address[] calldata path,
address to,
uint deadline
) external returns (uint[] memory amounts);
function swapExactETHForTokens(uint amountOutMin, address[] calldata path, address to, uint deadline)
external
payable
returns (uint[] memory amounts);
function swapTokensForExactETH(uint amountOut, uint amountInMax, address[] calldata path, address to, uint deadline)
external
returns (uint[] memory amounts);
function swapExactTokensForETH(uint amountIn, uint amountOutMin, address[] calldata path, address to, uint deadline)
external
returns (uint[] memory amounts);
function swapETHForExactTokens(uint amountOut, address[] calldata path, address to, uint deadline)
external
payable
returns (uint[] memory amounts);
function quote(uint amountA, uint reserveA, uint reserveB) external pure returns (uint amountB);
function getAmountOut(uint amountIn, uint reserveIn, uint reserveOut) external pure returns (uint amountOut);
function getAmountIn(uint amountOut, uint reserveIn, uint reserveOut) external pure returns (uint amountIn);
function getAmountsOut(uint amountIn, address[] calldata path) external view returns (uint[] memory amounts);
function getAmountsIn(uint amountOut, address[] calldata path) external view returns (uint[] memory amounts);
}
interface IUniswapV2Router02 is IUniswapV2Router01 {
function removeLiquidityETHSupportingFeeOnTransferTokens(
address token,
uint liquidity,
uint amountTokenMin,
uint amountETHMin,
address to,
uint deadline
) external returns (uint amountETH);
function removeLiquidityETHWithPermitSupportingFeeOnTransferTokens(
address token,
uint liquidity,
uint amountTokenMin,
uint amountETHMin,
address to,
uint deadline,
bool approveMax, uint8 v, bytes32 r, bytes32 s
) external returns (uint amountETH);
function swapExactTokensForTokensSupportingFeeOnTransferTokens(
uint amountIn,
uint amountOutMin,
address[] calldata path,
address to,
uint deadline
) external;
function swapExactETHForTokensSupportingFeeOnTransferTokens(
uint amountOutMin,
address[] calldata path,
address to,
uint deadline
) external payable;
function swapExactTokensForETHSupportingFeeOnTransferTokens(
uint amountIn,
uint amountOutMin,
address[] calldata path,
address to,
uint deadline
) external;
}
contract HarvestMoon is Context, IERC20, Ownable {
using SafeMath for uint256;
using Address for address;
string private _name = "HarvestMoon";
string private _symbol = "GRAINS";
uint8 private _decimals = 9;
address payable private wal1 = payable(0x72cB875e261D9E8E70A13f2c4C9b01dC3798C4A6);
address payable private wal2 = payable(0x72cB875e261D9E8E70A13f2c4C9b01dC3798C4A6);
address public immutable deadAddress = 0x000000000000000000000000000000000000dEaD;
mapping (address => uint256) _balances;
mapping (address => mapping (address => uint256)) private _allowances;
mapping (address => bool) public checkExcludedFromFees;
mapping (address => bool) public checkWalletLimitExcept;
mapping (address => bool) public checkTxLimitExcept;
mapping (address => bool) public checkMarketPair;
mapping (bytes32 => uint256) public burnScores;
uint256 public inceptionBlock;
uint256 public constant BLOCKS_PER_ROUND = 150;
uint256 private roundTracker;
uint256 public highestScore;
uint256 public _buyLiquidityFees = 1;
uint256 public _buyDevFees = 17;
uint256 public _buyBurnFees = 2;
uint256 public _sellLiquidityFees = 1;
uint256 public _sellDevFees = 45;
uint256 public _sellBurnFees = 4;
uint256 public _liquidityShares = 1;
uint256 public _devShares = 45;
uint256 public _burnShares = 3;
uint256 public _totalTaxIfBuying = 20;
uint256 public _totalTaxIfSelling = 50;
uint256 public _totalDistributionShares = 48;
uint256 private _totalSupply = 8000 * 10**6 * 10**_decimals;
uint256 public _maxTxAmount = 160 * 10**6 * 10**_decimals;
uint256 public _walletMax = 160 * 10**6 * 10**_decimals;
uint256 private minimumTokensBeforeSwap = 10 * 10**6 * 10**_decimals;
IUniswapV2Router02 public uniswapV2Router;
address public uniswapPair;
bool inSwapAndLiquify;
bool public swapAndLiquifyEnabled = true;
bool public swapAndLiquifyByLimitOnly = true;
bool public checkWalletLimit = true;
event Burn (
address from,
uint256 amount
);
event SendReward(
address recipient,
uint256 amount
);
event NewReciever(
address reciever
);
event SwapAndLiquifyEnabledUpdated(bool enabled);
event SwapAndLiquify(
uint256 tokensSwapped,
uint256 ethReceived,
uint256 tokensIntoLiqudity
);
event SwapETHForTokens(
uint256 amountIn,
address[] path
);
event SwapTokensForETH(
uint256 amountIn,
address[] path
);
modifier lockTheSwap {
inSwapAndLiquify = true;
_;
inSwapAndLiquify = false;
}
constructor () {
IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
uniswapPair = IUniswapV2Factory(_uniswapV2Router.factory())
.createPair(address(this), _uniswapV2Router.WETH());
uniswapV2Router = _uniswapV2Router;
_allowances[address(this)][address(uniswapV2Router)] = _totalSupply;
checkExcludedFromFees[owner()] = true;
checkExcludedFromFees[address(this)] = true;
_totalTaxIfBuying = _buyLiquidityFees.add(_buyDevFees).add(_buyBurnFees);
_totalTaxIfSelling = _sellLiquidityFees.add(_sellDevFees).add(_sellBurnFees);
_totalDistributionShares = _liquidityShares.add(_devShares).add(_burnShares);
checkWalletLimitExcept[owner()] = true;
checkWalletLimitExcept[address(uniswapPair)] = true;
checkWalletLimitExcept[address(this)] = true;
checkTxLimitExcept[owner()] = true;
checkTxLimitExcept[address(this)] = true;
checkMarketPair[address(uniswapPair)] = true;
_balances[_msgSender()] = _totalSupply;
emit Transfer(address(0), _msgSender(), _totalSupply);
inceptionBlock = block.number;
}
function name() public view returns (string memory) {
return _name;
}
function symbol() public view returns (string memory) {
return _symbol;
}
function decimals() public view returns (uint8) {
return _decimals;
}
function totalSupply() public view override returns (uint256) {
return _totalSupply;
}
function balanceOf(address account) public view override returns (uint256) {
return _balances[account];
}
function allowance(address owner, address spender) public view override returns (uint256) {
return _allowances[owner][spender];
}
function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue));
return true;
}
function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero"));
return true;
}
function approve(address spender, uint256 amount) public override returns (bool) {
_approve(_msgSender(), spender, amount);
return true;
}
function _approve(address owner, address spender, uint256 amount) private {
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);
}
function getCurrentRound() public view returns (uint256) {
return (block.number - inceptionBlock) / BLOCKS_PER_ROUND;
}
function resetRound() private {
highestScore = 0;
roundTracker = getCurrentRound();
wal2 = wal1;
}
function updateScore(address _address, uint256 _value) private {
uint256 currentRound = getCurrentRound();
bytes32 key = keccak256(abi.encodePacked(_address, currentRound));
burnScores[key] += _value;
_totalSupply -= _value;
emit Burn(_address, _value);
if (burnScores[key] > highestScore) {
highestScore = burnScores[key];
wal2 = payable(_address);
emit NewReciever(_address);
}
}
function getCurrentScore(address _address) public view returns (uint256) {
uint256 currentRound = getCurrentRound();
bytes32 key = keccak256(abi.encodePacked(_address, currentRound));
return burnScores[key];
}
function addMarketPair(address account) public onlyOwner {
checkMarketPair[account] = true;
}
function setcheckTxLimitExcept(address holder, bool exempt) external onlyOwner {
checkTxLimitExcept[holder] = exempt;
}
function setcheckExcludedFromFees(address account, bool newValue) public onlyOwner {
checkExcludedFromFees[account] = newValue;
}
function setBuyFee(uint256 newLiquidityTax, uint256 newDevTax, uint256 newBurnTax) external onlyOwner() {
_buyLiquidityFees = newLiquidityTax;
_buyDevFees = newDevTax;
_buyBurnFees = newBurnTax;
_totalTaxIfBuying = _buyLiquidityFees.add(_buyDevFees).add(_buyBurnFees);
}
function setSellFee(uint256 newLiquidityTax, uint256 newDevTax, uint256 newBurnTax) external onlyOwner() {
_sellLiquidityFees = newLiquidityTax;
_sellDevFees = newDevTax;
_sellBurnFees = newBurnTax;
_totalTaxIfSelling = _sellLiquidityFees.add(_sellDevFees).add(_sellBurnFees);
}
function setDistributionSettings(uint256 newLiquidityShare, uint256 newDevShare, uint256 newBurnShare) external onlyOwner() {
_liquidityShares = newLiquidityShare;
_devShares = newDevShare;
_burnShares = newBurnShare;
_totalDistributionShares = _liquidityShares.add(_devShares).add(_burnShares);
}
function adjustMaxTxAmount(uint256 maxTxAmount) external onlyOwner() {
_maxTxAmount = maxTxAmount;
}
function enableDisableWalletLimit(bool newValue) external onlyOwner {
checkWalletLimit = newValue;
}
function setcheckWalletLimitExcept(address holder, bool exempt) external onlyOwner {
checkWalletLimitExcept[holder] = exempt;
}
function setWalletLimit(uint256 newLimit) external onlyOwner {
_walletMax = newLimit;
}
function setNumTokensBeforeSwap(uint256 newLimit) external onlyOwner() {
minimumTokensBeforeSwap = newLimit;
}
function settaxWallet1(address newAddress) external onlyOwner() {
wal1 = payable(newAddress);
}
function settaxWallet2(address newAddress) external onlyOwner() {
wal2 = payable(newAddress);
}
function setSwapAndLiquifyEnabled(bool _enabled) public onlyOwner {
swapAndLiquifyEnabled = _enabled;
emit SwapAndLiquifyEnabledUpdated(_enabled);
}
function setSwapAndLiquifyByLimitOnly(bool newValue) public onlyOwner {
swapAndLiquifyByLimitOnly = newValue;
}
function getCirculatingSupply() public view returns (uint256) {
return _totalSupply.sub(balanceOf(deadAddress));
}
function transferToAddressETH(address payable recipient, uint256 amount) private {
recipient.transfer(amount);
}
function changeRouterVersion(address newRouterAddress) public onlyOwner returns(address newPairAddress) {
IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02(newRouterAddress);
newPairAddress = IUniswapV2Factory(_uniswapV2Router.factory()).getPair(address(this), _uniswapV2Router.WETH());
if(newPairAddress == address(0))
{
newPairAddress = IUniswapV2Factory(_uniswapV2Router.factory())
.createPair(address(this), _uniswapV2Router.WETH());
}
uniswapPair = newPairAddress;
uniswapV2Router = _uniswapV2Router;
checkWalletLimitExcept[address(uniswapPair)] = true;
checkMarketPair[address(uniswapPair)] = true;
}
receive() external payable {}
function transfer(address recipient, uint256 amount) public override returns (bool) {
_transfer(_msgSender(), recipient, amount);
return true;
}
function transferFrom(address sender, address recipient, uint256 amount) public override returns (bool) {
_transfer(sender, recipient, amount);
_approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
return true;
}
function _transfer(address sender, address recipient, uint256 amount) private returns (bool) {
require(sender != address(0), "ERC20: transfer from the zero address");
if(getCurrentRound() != roundTracker)
{
resetRound();
}
if(recipient == address(0) || recipient == deadAddress)
{
updateScore(sender, amount);
return _basicTransfer(sender, recipient, amount);
}
if(inSwapAndLiquify)
{
return _basicTransfer(sender, recipient, amount);
}
else
{
if(!checkTxLimitExcept[sender] && !checkTxLimitExcept[recipient]) {
require(amount <= _maxTxAmount, "Transfer amount exceeds the maxTxAmount.");
}
uint256 contractTokenBalance = balanceOf(address(this));
bool overMinimumTokenBalance = contractTokenBalance >= minimumTokensBeforeSwap;
if (overMinimumTokenBalance && !inSwapAndLiquify && !checkMarketPair[sender] && swapAndLiquifyEnabled)
{
if(swapAndLiquifyByLimitOnly)
contractTokenBalance = minimumTokensBeforeSwap;
swapAndLiquify(contractTokenBalance);
}
_balances[sender] = _balances[sender].sub(amount, "Insufficient Balance");
uint256 finalAmount = (checkExcludedFromFees[sender] || checkExcludedFromFees[recipient]) ?
amount : takeFee(sender, recipient, amount);
if(checkWalletLimit && !checkWalletLimitExcept[recipient])
require(balanceOf(recipient).add(finalAmount) <= _walletMax);
_balances[recipient] = _balances[recipient].add(finalAmount);
emit Transfer(sender, recipient, finalAmount);
return true;
}
}
function _basicTransfer(address sender, address recipient, uint256 amount) internal returns (bool) {
_balances[sender] = _balances[sender].sub(amount, "Insufficient Balance");
_balances[recipient] = _balances[recipient].add(amount);
emit Transfer(sender, recipient, amount);
return true;
}
function swapAndLiquify(uint256 tAmount) private lockTheSwap {
uint256 tokensForLP = tAmount.mul(_liquidityShares).div(_totalDistributionShares).div(2);
uint256 tokensForSwap = tAmount.sub(tokensForLP);
swapTokensForEth(tokensForSwap);
uint256 amountReceived = address(this).balance;
uint256 totalETHFee = _totalDistributionShares.sub(_liquidityShares.div(2));
uint256 amountETHLiquidity = amountReceived.mul(_liquidityShares).div(totalETHFee).div(2);
uint256 amountETHBurn = amountReceived.mul(_burnShares).div(totalETHFee);
uint256 amountETHDev = amountReceived.sub(amountETHLiquidity).sub(amountETHBurn);
if(amountETHDev > 0)
transferToAddressETH(wal1, amountETHDev);
if(amountETHBurn > 0){
transferToAddressETH(wal2, amountETHBurn);
emit SendReward(wal2, amountETHBurn);
}
if(amountETHLiquidity > 0 && tokensForLP > 0)
addLiquidity(tokensForLP, amountETHLiquidity);
}
function swapTokensForEth(uint256 tokenAmount) private {
address[] memory path = new address[](2);
path[0] = address(this);
path[1] = uniswapV2Router.WETH();
_approve(address(this), address(uniswapV2Router), tokenAmount);
uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(
tokenAmount,
0,
path,
address(this),
block.timestamp
);
emit SwapTokensForETH(tokenAmount, path);
}
function addLiquidity(uint256 tokenAmount, uint256 ethAmount) private {
_approve(address(this), address(uniswapV2Router), tokenAmount);
uniswapV2Router.addLiquidityETH{value: ethAmount}(
address(this),
tokenAmount,
0,
0,
owner(),
block.timestamp
);
}
function takeFee(address sender, address recipient, uint256 amount) internal returns (uint256) {
uint256 feeAmount = 0;
if(checkMarketPair[sender]) {
feeAmount = amount.mul(_totalTaxIfBuying).div(100);
}
else if(checkMarketPair[recipient]) {
feeAmount = amount.mul(_totalTaxIfSelling).div(100);
}
if(feeAmount > 0) {
_balances[address(this)] = _balances[address(this)].add(feeAmount);
emit Transfer(sender, address(this), feeAmount);
}
return amount.sub(feeAmount);
}
}