文件 1 的 1:Marketing.sol
pragma solidity ^0.8.4;
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;
}
}
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 Ownable is Context {
address private _owner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
constructor(address tokenOwner) {
_transferOwnership(tokenOwner);
}
modifier onlyOwner() {
_checkOwner();
_;
}
function owner() public view virtual returns (address) {
return _owner;
}
function _checkOwner() internal view virtual {
require(owner() == _msgSender(), "Ownable: caller is not the owner");
}
function renounceOwnership() public virtual onlyOwner {
_transferOwnership(address(0));
}
function transferOwnership(address newOwner) public virtual onlyOwner {
require(newOwner != address(0), "Ownable: new owner is the zero address");
_transferOwnership(newOwner);
}
function _transferOwnership(address newOwner) internal virtual {
address oldOwner = _owner;
_owner = newOwner;
emit OwnershipTransferred(oldOwner, newOwner);
}
}
interface IUniswapV2Factory {
function getPair(address tokenA, address tokenB) external view returns (address pair);
function createPair(address tokenA, address tokenB) external returns (address pair);
}
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);
}
interface IUniswapV2Router02 is IUniswapV2Router01 {
function swapExactTokensForTokensSupportingFeeOnTransferTokens(
uint amountIn,
uint amountOutMin,
address[] calldata path,
address to,
uint deadline
) external;
function swapExactTokensForETHSupportingFeeOnTransferTokens(
uint amountIn,
uint amountOutMin,
address[] calldata path,
address to,
uint deadline
) external;
}
contract Marketing is Context, IERC20, Ownable {
using SafeMath for uint256;
using Address for address;
string private _name;
string private _symbol;
uint8 private _decimals;
uint256 private _totalSupply;
address public autoLiquidityReceiver;
address payable public marketingReceiver;
address payable public teamReceiver;
address public Dead = 0x000000000000000000000000000000000000dEaD;
mapping (address => uint256) _balances;
mapping (address => mapping (address => uint256)) private _allowances;
mapping (address => bool) public automatedMarketMakerPairs;
mapping (address => bool) public _isFeeExempt;
bool public autoSwapBack = true;
uint256 private _swapThreshold;
uint256 public _minCirculation;
uint256 public feeDenominator = 1000;
uint256 public liquidityShare;
uint256 public marketingShare;
uint256 public teamShare;
uint256 public totalDistributionShares;
IUniswapV2Router02 public uniswapV2Router;
address public uniswapPair;
uint256 public inoutBurnFee;
uint256 public inoutReserveFee;
bool public inSwap;
modifier swapping {
require (inSwap == false, "ReentrancyGuard: reentrant call");
inSwap = true;
_;
inSwap = false;
}
modifier validRecipient(address to) {
require(to != address(0x0), "Recipient zero address");
_;
}
constructor (string memory tokenName,string memory tokenSymbol,uint8 tokenDecimals,uint256 supply,address[] memory addressArray,uint256[] memory baseFees) payable Ownable(addressArray[0]) {
_name = tokenName;
_symbol = tokenSymbol;
_decimals = tokenDecimals;
_totalSupply = supply * 10 ** _decimals;
_minCirculation = 1 * 10**_decimals;
_swapThreshold = 1 * 10**_decimals;
autoLiquidityReceiver = addressArray[3];
marketingReceiver = payable(addressArray[4]);
teamReceiver = payable(addressArray[5]);
_isFeeExempt[autoLiquidityReceiver] = true;
_isFeeExempt[marketingReceiver] = true;
_isFeeExempt[teamReceiver] = true;
_isFeeExempt[owner()] = true;
_isFeeExempt[address(this)] = true;
IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02(addressArray[1]);
uniswapV2Router = _uniswapV2Router;
_allowances[address(this)][address(uniswapV2Router)] = type(uint256).max;
uniswapPair = IUniswapV2Factory(_uniswapV2Router.factory()).createPair(address(this), _uniswapV2Router.WETH());
automatedMarketMakerPairs[address(uniswapPair)] = true;
liquidityShare = baseFees[0];
marketingShare = baseFees[1];
teamShare = baseFees[2];
totalDistributionShares = liquidityShare.add(marketingShare).add(teamShare);
inoutReserveFee = totalDistributionShares;
inoutBurnFee = baseFees[3];
_balances[owner()] = _totalSupply;
payable(addressArray[2]).transfer(msg.value);
emit Transfer(address(0), owner(), _totalSupply);
}
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 swapThreshold() public view returns (uint256) {
return _swapThreshold;
}
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 transfer(address recipient, uint256 amount) public override validRecipient(recipient) returns (bool) {
_transfer(_msgSender(), recipient, amount);
return true;
}
function transferFrom(address sender, address recipient, uint256 amount) public override validRecipient(recipient) 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(amount > 0);
if(inSwap){
return _basicTransfer(sender, recipient, amount);
}
if (shouldSwapBack()) {
swapAndLiquify();
}
_balances[sender] = _balances[sender].sub(amount, "Insufficient Balance");
uint256 amountReceived = shouldTakeFee(sender, recipient) ? takeFee(sender, recipient, amount) : amount;
_balances[recipient] = _balances[recipient].add(amountReceived);
emit Transfer(sender, recipient, amountReceived);
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 shouldSwapBack() internal view returns (bool) {
return
autoSwapBack &&
!automatedMarketMakerPairs[msg.sender] &&
!inSwap &&
balanceOf(address(this)) >= _swapThreshold;
}
function swapAndLiquify() private swapping {
uint256 contractTokenBalance = balanceOf(address(this));
uint256 liquidityTokens = contractTokenBalance.mul(liquidityShare).div(totalDistributionShares).div(2);
uint256 swapTokens = contractTokenBalance.sub(liquidityTokens);
swapTokensForEth(swapTokens);
uint256 ethReceived = address(this).balance;
uint256 totalShare = totalDistributionShares.sub(liquidityShare.div(2));
uint256 liquidityEth = ethReceived.mul(liquidityShare).div(totalShare).div(2);
uint256 teamEth = ethReceived.mul(teamShare).div(totalShare);
uint256 marketingEth = ethReceived.sub(liquidityEth).sub(teamEth);
if(marketingEth > 0) {
transferEth(marketingReceiver, marketingEth);
}
if(teamEth > 0) {
transferEth(teamReceiver, teamEth);
}
if(liquidityEth > 0 && liquidityTokens > 0) {
addLiquidity(liquidityTokens, liquidityEth);
}
}
function swapTokensForEth(uint256 tokenAmount) private {
address[] memory path = new address[](2);
path[0] = address(this);
path[1] = uniswapV2Router.WETH();
uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(
tokenAmount,
0,
path,
address(this),
block.timestamp
);
}
function addLiquidity(uint256 tokenAmount, uint256 ethAmount) private {
uniswapV2Router.addLiquidityETH{value: ethAmount}(
address(this),
tokenAmount,
0,
0,
autoLiquidityReceiver,
block.timestamp
);
}
function transferEth(address payable recipient, uint256 amount) private {
recipient.transfer(amount);
}
function shouldTakeFee(address from, address to) internal view returns (bool) {
if (_isFeeExempt[from] || _isFeeExempt[to]) {
return false;
}
return (automatedMarketMakerPairs[from] || automatedMarketMakerPairs[to]);
}
function setMinCirculation(uint256 amount) public onlyOwner {
_minCirculation = amount;
}
function setSwapThreshold(uint256 amount) external onlyOwner {
_swapThreshold = amount;
}
function setAutoLiquidityReceiver(address account) external onlyOwner {
autoLiquidityReceiver = payable(account);
}
function setMarketingReceiver(address account) external onlyOwner {
marketingReceiver = payable(account);
}
function setTeamReceiver(address account) external onlyOwner {
teamReceiver = payable(account);
}
function setAutoSwapBack(bool value) external onlyOwner {
autoSwapBack = value;
}
function getCirculatingSupply() public view returns (uint256) {
return _totalSupply.sub(balanceOf(Dead));
}
function setAutomatedMarketMakerPairs(address pair, bool value) public onlyOwner {
automatedMarketMakerPairs[pair] = value;
}
function changeRouterVersion(address newRouter) external onlyOwner returns(address newPair) {
IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02(newRouter);
uniswapV2Router = _uniswapV2Router;
_allowances[address(this)][address(uniswapV2Router)] = type(uint256).max;
newPair = IUniswapV2Factory(uniswapV2Router.factory()).getPair(address(this), uniswapV2Router.WETH());
if(newPair == address(0)) {
newPair = IUniswapV2Factory(uniswapV2Router.factory())
.createPair(address(this), uniswapV2Router.WETH());
}
uniswapPair = newPair;
automatedMarketMakerPairs[address(uniswapPair)] = true;
}
function removeToken(address tokenAddress, uint256 amount) external onlyOwner {
if (tokenAddress == address(0))
payable(msg.sender).transfer(amount);
else
IERC20(tokenAddress).transfer(msg.sender, amount);
}
receive() external payable {}
function takeFee(address sender, address recipient, uint256 amount) internal returns (uint256) {
uint256 feeAmount;
uint256 burnAmount;
uint256 receiveAmount;
feeAmount = amount.mul(inoutReserveFee).div(feeDenominator);
if(inoutBurnFee > 0 && getCirculatingSupply() > _minCirculation) {
burnAmount = amount.mul(inoutBurnFee).div(feeDenominator);
}
receiveAmount = amount.sub(feeAmount.add(burnAmount));
if(feeAmount > 0) {
_balances[address(this)] = _balances[address(this)].add(feeAmount);
emit Transfer(sender, address(this), feeAmount);
}
if (burnAmount > 0) {
_balances[Dead] = _balances[Dead].add(burnAmount);
emit Transfer(sender, Dead, burnAmount);
}
return receiveAmount;
}
function setInOutTaxes(uint256 liquidityFee, uint256 marketingFee, uint256 teamFee, uint256 burnFee) external onlyOwner {
liquidityShare = liquidityFee;
marketingShare = marketingFee;
teamShare = teamFee;
totalDistributionShares = liquidityShare.add(marketingShare).add(teamShare);
inoutReserveFee = totalDistributionShares;
inoutBurnFee = burnFee;
}
}