文件 1 的 1:AsgardX.sol
pragma solidity ^0.8.15;
interface IBEP20 {
function totalSupply() external view returns (uint);
function balanceOf(address account) external view returns (uint);
function transfer(address recipient, uint amount) external returns (bool);
function allowance(address owner, address spender) external view returns (uint);
function approve(address spender, uint amount) external returns (bool);
function transferFrom(address sender, address recipient, uint amount) external returns (bool);
event Transfer(address indexed from, address indexed to, uint value);
event Approval(address indexed owner, address indexed spender, uint value);
}
library SafeMath {
function add(uint a, uint b) internal pure returns (uint) {
uint c = a + b;
require(c >= a, "SafeMath: addition overflow");
return c;
}
function sub(uint a, uint b) internal pure returns (uint) {
return sub(a, b, "SafeMath: subtraction overflow");
}
function sub(uint a, uint b, string memory errorMessage) internal pure returns (uint) {
require(b <= a, errorMessage);
uint c = a - b;
return c;
}
function mul(uint a, uint b) internal pure returns (uint) {
if (a == 0) {
return 0;
}
uint c = a * b;
require(c / a == b, "SafeMath: multiplication overflow");
return c;
}
function div(uint a, uint b) internal pure returns (uint) {
return div(a, b, "SafeMath: division by zero");
}
function div(uint a, uint b, string memory errorMessage) internal pure returns (uint) {
require(b > 0, errorMessage);
uint c = a / b;
return c;
}
}
contract Context {
constructor () { }
function _msgSender() internal view returns (address) {
return msg.sender;
}
}
abstract contract Ownable is Context {
address private _owner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
constructor () {
_owner = msg.sender ;
emit OwnershipTransferred(address(0), _owner);
}
function owner() public view returns (address) {
return _owner;
}
modifier onlyOwner() {
require(_owner == _msgSender() , "Ownable: caller is not the owner");
_;
}
function renounceOwnership() 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;
}
}
contract BEP20Detailed {
string private _name;
string private _symbol;
uint8 private _decimals;
constructor (string memory tname, string memory tsymbol, uint8 tdecimals) {
_name = tname;
_symbol = tsymbol;
_decimals = tdecimals;
}
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;
}
}
library Address {
function isContract(address account) internal view returns (bool) {
bytes32 codehash;
bytes32 accountHash = 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470;
assembly { codehash := extcodehash(account) }
return (codehash != 0x0 && codehash != accountHash);
}
}
library SafeBEP20 {
using SafeMath for uint;
using Address for address;
function safeTransfer(IBEP20 token, address to, uint value) internal {
callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value));
}
function safeTransferFrom(IBEP20 token, address from, address to, uint value) internal {
callOptionalReturn(token, abi.encodeWithSelector(token.transferFrom.selector, from, to, value));
}
function safeApprove(IBEP20 token, address spender, uint value) internal {
require((value == 0) || (token.allowance(address(this), spender) == 0),
"SafeBEP20: approve from non-zero to non-zero allowance"
);
callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, value));
}
function callOptionalReturn(IBEP20 token, bytes memory data) private {
require(address(token).isContract(), "SafeBEP20: call to non-contract");
(bool success, bytes memory returndata) = address(token).call(data);
require(success, "SafeBEP20: low-level call failed");
if (returndata.length > 0) {
require(abi.decode(returndata, (bool)), "SafeBEP20: BEP20 operation did not succeed");
}
}
}
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 Mint(address indexed sender, uint amount0, uint amount1);
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 mint(address to) external returns (uint liquidity);
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 AsgardX is Context, Ownable, IBEP20, BEP20Detailed {
using SafeBEP20 for IBEP20;
using Address for address;
using SafeMath for uint256;
IUniswapV2Router02 public immutable uniSwapV2Router;
address public immutable uniSwapV2Pair;
mapping (address => uint) internal _balances;
mapping (address => mapping (address => uint)) internal _allowances;
mapping (address => bool) private _isExcludedFromFee;
uint256 internal _totalSupply;
uint256 public sellFee = 1;
uint256 public buyFee = 1;
uint256 private marketingFee;
uint256 public asgardPercent = 30;
uint256 public marketingPercent = 40;
uint256 public deflationaryFundPercent = 30;
uint256 public constant ONE_HUNDRED_PERCENT = 100;
address payable public marketingAddress = payable(0x7A25D1d104879dD98976Ea98b7e23ACD1Dd1d814);
address payable public asgardAddress = payable(0x1093Ba49131b42F7E87dB8Ec15488EA2D2DfF127);
address payable public deflationaryFundAddress = payable(0x13706F50d4F94A2022fBB91eaAF6BAAD4630e0AE);
bool inSwapAndLiquify;
bool private swapAndLiquifyEnabled = true;
bool public tradingEnabled = false;
uint256 public numTokensSellToFee = 100 * 10**18;
event MinTokensBeforeSwapUpdated(uint256 minTokensBeforeSwap);
event SwapAndLiquifyEnabledUpdated(bool enabled);
event SwapAndLiquify(
uint256 tokensSwapped,
uint256 ethReceived
);
modifier lockTheSwap {
inSwapAndLiquify = true;
_;
inSwapAndLiquify = false;
}
address private _owner;
constructor () BEP20Detailed("AsgardX", "ODIN", 18) {
_owner = msg.sender ;
_totalSupply = 10000000 * (10**18);
_balances[_owner] = _totalSupply;
IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02(0x1b02dA8Cb0d097eB8D57A175b88c7D8b47997506);
uniSwapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory())
.createPair(address(this), _uniswapV2Router.WETH());
uniSwapV2Router = _uniswapV2Router;
_isExcludedFromFee[owner()] = true;
_isExcludedFromFee[address(this)] = true;
_isExcludedFromFee[marketingAddress] = true;
emit Transfer(address(0), _msgSender(), _totalSupply);
}
function totalSupply() public view override returns (uint) {
return _totalSupply;
}
function balanceOf(address account) public view override returns (uint) {
return _balances[account];
}
function transfer(address recipient, uint amount) public override returns (bool) {
_transfer(_msgSender(), recipient, amount);
return true;
}
function allowance(address towner, address spender) public view override returns (uint) {
return _allowances[towner][spender];
}
function approve(address spender, uint amount) public override returns (bool) {
_approve(_msgSender(), spender, amount);
return true;
}
function transferFrom(address sender, address recipient, uint amount) public override returns (bool) {
_transfer(sender, recipient, amount);
_approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "BEP20: transfer amount exceeds allowance"));
return true;
}
function increaseAllowance(address spender, uint addedValue) public returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue));
return true;
}
function decreaseAllowance(address spender, uint subtractedValue) public returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "BEP20: decreased allowance below zero"));
return true;
}
function setBuyFeePercent(uint256 newFee) external onlyOwner {
require(newFee <= 10, "Buy fee should be less than 10%");
buyFee = newFee;
}
function enableTrading() public onlyOwner {
require(!tradingEnabled, "Trading already enabled!");
tradingEnabled = true;
}
function setSellFeePercent(uint256 newFee) external onlyOwner {
require(newFee <= 10, "Sell fee should be less than 10%");
sellFee = newFee;
}
function setFees(
uint256 deflationaryFund,
uint256 marketing,
uint256 asgard
) external onlyOwner {
require(deflationaryFund + marketing + asgard == ONE_HUNDRED_PERCENT);
deflationaryFundPercent = deflationaryFund;
marketingPercent = marketing;
asgardPercent = asgard;
}
function isContract(address account) internal view returns (bool) {
return account.code.length > 0;
}
function setMarketingAddress(address payable wallet) external onlyOwner
{
require(wallet != marketingAddress,"marketingAddress wallet is already that address");
require(!isContract(wallet),"marketingAddress wallet cannot be a contract");
require(wallet != address(0), "Can't set to dead address!");
marketingAddress = wallet;
}
function setAsgardAddress(address payable wallet) external onlyOwner
{
require(wallet != asgardAddress,"asgardAddress wallet is already that address");
require(!isContract(wallet),"asgardAddress wallet cannot be a contract");
require(wallet != address(0), "Can't set to dead address!");
asgardAddress = wallet;
}
function setDeflationaryFundAddress(address payable wallet) external onlyOwner
{
require(wallet != deflationaryFundAddress,"deflationaryFundAddress wallet is already that address");
require(!isContract(wallet),"deflationaryFundAddress wallet cannot be a contract");
require(wallet != address(0), "Can't set to dead address!");
deflationaryFundAddress = wallet;
}
function setSwapAndLiquifyEnabled(bool _enabled) public onlyOwner {
swapAndLiquifyEnabled = _enabled;
emit SwapAndLiquifyEnabledUpdated(_enabled);
}
function changeNumTokensSellToFee(uint256 _numTokensSellToFee) external onlyOwner
{
require(_numTokensSellToFee >= 1 * 10**18 && _numTokensSellToFee <= 10000000 * 10**18, "Threshold must be set within 1 to 10,000,000 tokens");
numTokensSellToFee = _numTokensSellToFee;
}
function excludeFromFee(address account) public onlyOwner {
_isExcludedFromFee[account] = true;
}
function includeInFee(address account) public onlyOwner {
_isExcludedFromFee[account] = false;
}
receive() external payable {}
function _transfer(address sender, address recipient, uint amount) internal{
require(sender != address(0), "BEP20: transfer from the zero address");
require(recipient != address(0), "BEP20: transfer to the zero address");
uint256 contractTokenBalance = balanceOf(address(this));
bool overMinTokenBalance = contractTokenBalance >= numTokensSellToFee;
if (
overMinTokenBalance &&
!inSwapAndLiquify &&
sender != uniSwapV2Pair &&
swapAndLiquifyEnabled
) {
contractTokenBalance = numTokensSellToFee;
swapAndLiquify(contractTokenBalance);
}
bool takeFee = true;
if(_isExcludedFromFee[sender] || _isExcludedFromFee[recipient]){
takeFee = false;
} else {
require(tradingEnabled, "Trading not yet enabled");
}
if(sender != uniSwapV2Pair && recipient != uniSwapV2Pair)
{takeFee = false;}
if(takeFee)
{
if(sender == uniSwapV2Pair){marketingFee = buyFee;}
else{marketingFee = sellFee;}
uint256 taxAmount = amount.mul(marketingFee).div(100);
uint256 TotalSent = amount.sub(taxAmount);
_balances[sender] = _balances[sender].sub(amount, "BEP20: transfer amount exceeds balance");
_balances[recipient] = _balances[recipient].add(TotalSent);
_balances[address(this)] = _balances[address(this)].add(taxAmount);
emit Transfer(sender, recipient, TotalSent);
emit Transfer(sender, address(this), taxAmount);
}
else
{
_balances[sender] = _balances[sender].sub(amount, "BEP20: transfer amount exceeds balance");
_balances[recipient] = _balances[recipient].add(amount);
emit Transfer(sender, recipient, amount);
}
}
function swapAndLiquify(uint256 contractTokenBalance) private lockTheSwap {
swapTokensForEth(contractTokenBalance);
uint256 asgardPart = address(this).balance.mul(asgardPercent).div(ONE_HUNDRED_PERCENT);
uint256 marketingPart = address(this).balance.mul(marketingPercent).div(ONE_HUNDRED_PERCENT);
uint256 deflationaryPart = address(this).balance.mul(deflationaryFundPercent).div(ONE_HUNDRED_PERCENT);
payable(marketingAddress).transfer(asgardPart);
payable(marketingAddress).transfer(marketingPart);
payable(deflationaryFundAddress).transfer(deflationaryPart);
emit SwapAndLiquify(contractTokenBalance, address(this).balance);
}
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
);
}
function _approve(address towner, address spender, uint amount) internal {
require(towner != address(0), "BEP20: approve from the zero address");
require(spender != address(0), "BEP20: approve to the zero address");
_allowances[towner][spender] = amount;
emit Approval(towner, spender, amount);
}
function claimStuckTokens(address token) external onlyOwner {
require(token != address(this), "Owner cannot claim native tokens");
if (token == address(0x0)) {
payable(msg.sender).transfer(address(this).balance);
return;
}
IBEP20 IBEP20TOKEN = IBEP20(token);
uint256 balance = IBEP20TOKEN.balanceOf(address(this));
IBEP20TOKEN.transfer(msg.sender, balance);
}
}