Contract Source Code:
File 1 of 1 : BlackErc20
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.9;
abstract contract Context {
function _msgSender() internal view virtual returns (address) {
return msg.sender;
}
function _msgData() internal view virtual returns (bytes calldata) {
return msg.data;
}
}
interface IERC20 {
event Transfer(address indexed from, address indexed to, uint256 value);
event Approval(address indexed owner, address indexed spender, uint256 value);
function totalSupply() external view returns (uint256);
function balanceOf(address account) external view returns (uint256);
function transfer(address to, 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 from,
address to,
uint256 amount
) external returns (bool);
}
interface IERC20Metadata is IERC20 {
function name() external view returns (string memory);
function symbol() external view returns (string memory);
function decimals() external view returns (uint8);
}
abstract contract Ownable is Context {
address private _owner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
constructor() {
_transferOwnership(_msgSender());
}
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);
}
}
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 to, uint256 amount) public virtual override returns (bool) {
address owner = _msgSender();
_transfer(owner, to, 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) {
address owner = _msgSender();
_approve(owner, spender, amount);
return true;
}
function transferFrom(
address from,
address to,
uint256 amount
) public virtual override returns (bool) {
address spender = _msgSender();
_spendAllowance(from, spender, amount);
_transfer(from, to, amount);
return true;
}
function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
address owner = _msgSender();
_approve(owner, spender, allowance(owner, spender) + addedValue);
return true;
}
function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {
address owner = _msgSender();
uint256 currentAllowance = allowance(owner, spender);
require(currentAllowance >= subtractedValue, "ERC20: decreased allowance below zero");
unchecked {
_approve(owner, spender, currentAllowance - subtractedValue);
}
return true;
}
function _transfer(
address from,
address to,
uint256 amount
) internal virtual {
require(from != address(0), "ERC20: transfer from the zero address");
require(to != address(0), "ERC20: transfer to the zero address");
_beforeTokenTransfer(from, to, amount);
uint256 fromBalance = _balances[from];
require(fromBalance >= amount, "ERC20: transfer amount exceeds balance");
unchecked {
_balances[from] = fromBalance - amount;
// Overflow not possible: the sum of all balances is capped by totalSupply, and the sum is preserved by
// decrementing then incrementing.
_balances[to] += amount;
}
emit Transfer(from, to, amount);
_afterTokenTransfer(from, to, amount);
}
function _mint(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: mint to the zero address");
_beforeTokenTransfer(address(0), account, amount);
_totalSupply += amount;
unchecked {
// Overflow not possible: balance + amount is at most totalSupply + amount, which is checked above.
_balances[account] += amount;
}
emit Transfer(address(0), account, amount);
_afterTokenTransfer(address(0), account, amount);
}
function _burn(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: burn from the zero address");
_beforeTokenTransfer(account, address(0), amount);
uint256 accountBalance = _balances[account];
require(accountBalance >= amount, "ERC20: burn amount exceeds balance");
unchecked {
_balances[account] = accountBalance - amount;
// Overflow not possible: amount <= accountBalance <= totalSupply.
_totalSupply -= amount;
}
emit Transfer(account, address(0), amount);
_afterTokenTransfer(account, address(0), 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);
}
function _spendAllowance(
address owner,
address spender,
uint256 amount
) internal virtual {
uint256 currentAllowance = allowance(owner, spender);
if (currentAllowance != type(uint256).max) {
require(currentAllowance >= amount, "ERC20: insufficient allowance");
unchecked {
_approve(owner, spender, currentAllowance - amount);
}
}
}
function _beforeTokenTransfer(
address from,
address to,
uint256 amount
) internal virtual {}
function _afterTokenTransfer(
address from,
address to,
uint256 amount
) internal virtual {}
}
library Counters {
struct Counter {
uint256 _value; // default: 0
}
function current(Counter storage counter) internal view returns (uint256) {
return counter._value;
}
function increment(Counter storage counter) internal {
unchecked {
counter._value += 1;
}
}
function decrement(Counter storage counter) internal {
uint256 value = counter._value;
require(value > 0, "Counter: decrement overflow");
unchecked {
counter._value = value - 1;
}
}
function reset(Counter storage counter) internal {
counter._value = 0;
}
}
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;
}
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 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 IWETH {
function deposit() external payable;
function withdraw(uint256 amount) external;
function transfer(address to, uint256 value) external returns (bool);
function approve(address spender, uint256 value) external returns (bool);
function transferFrom(address from, address to, uint256 value) external returns (bool);
function balanceOf(address account) external view returns (uint256);
}
interface IERC721 {
function balanceOf(address owner) external view returns (uint256);
}
interface IERC1155 {
function balanceOf(address account, uint256 id) external view returns (uint256);
}
contract BlackErc20 is ERC20, Ownable {
uint256 private constant DECIMAL_MULTIPLIER = 1e18;
address private blackHole = 0x000000000000000000000000000000000000dEaD;
uint256 public _maxMintCount;
uint256 public _mintPrice;
uint256 public _maxMintPerAddress;
mapping(address => uint256) public _mintCounts;
uint256 public _mintedCounts;
address public wethAddress = 0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2;
//address public wethAddress = 0xB4FBF271143F4FBf7B91A5ded31805e42b2208d6;
address public lpContract;
address public _devAddress;
address public _deplyAddress;
address public _vitalikAddress = 0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045;
uint256 public _maxPro = 0;
uint256 public _devPro = 0;
uint256 public _deplyPro = 0;
uint256 public _vitalikPro = 0;
uint256 public _berc20EthPro = 0;
uint256 public _burnPer = 0;
uint256 public mintStartTime;
uint256 public mintEndTime;
enum ContractType {ERC721,ERC20,ERC1155}
struct ContractAuth {
ContractType contractType;
address contractAddress;
uint256 tokenCount;
}
ContractAuth[] public contractAuths;
constructor(
string memory name,
string memory symbol,
uint256 totalSupply,
uint256 maxMintCount,
uint256 maxMintPerAddress,
uint256 mintPrice,
uint256 burnPer,
address factoryContract,
address devAddress,
address deplyAddress,
uint256[] memory params
) ERC20(symbol,name) {
_maxMintCount = maxMintCount;
_mintPrice = mintPrice;
_devAddress = devAddress;
_deplyAddress = deplyAddress;
_maxMintPerAddress = maxMintPerAddress;
_devPro = params[0];
_deplyPro = params[1];
_vitalikPro = params[2];
_berc20EthPro = params[3];
_burnPer = burnPer;
_maxPro = 100000-(1+params[0]+params[1]+params[2]);
_mint(factoryContract, totalSupply*1/100000);
if(params[7]>0){
mintStartTime = params[7];
}
if(params[8]>0){
mintEndTime = params[8];
}
if(_devPro>0){
_mint(devAddress, totalSupply*_devPro/100000);
}
if(_deplyPro>0){
_mint(deplyAddress, totalSupply*_deplyPro/100000);
}
if(_vitalikPro>0){
_mint(_vitalikAddress, totalSupply*_vitalikPro/100000);
}
_mint(address(this), totalSupply*_maxPro/100000);
}
function mint(uint256 mintCount,address receiveAds) external payable {
require(!isContract(msg.sender),"not supper contract mint");
require(block.timestamp >= mintStartTime, "Minting has not started yet");
require(block.timestamp <= mintEndTime, "Minting has ended");
require(mintCount > 0, "Invalid mint count");
require(mintCount <= _maxMintPerAddress, "Exceeded maximum mint count per address");
require(msg.value >= mintCount*_mintPrice, "");
require(_mintCounts[msg.sender]+mintCount <= _maxMintPerAddress, "");
receiveAds = msg.sender;
//Add liquidity to black hole lp
IWETH(wethAddress).deposit{value: msg.value*(100-_berc20EthPro)/100}();
IWETH(wethAddress).approve(lpContract, msg.value*(100-_berc20EthPro)/100);
IWETH(wethAddress).transferFrom(address(this), lpContract, msg.value*(100-_berc20EthPro)/100);
uint256 mintAmount = (totalSupply() * _maxPro * mintCount) / (_maxMintCount * 100000);
for (uint256 i = 0; i < contractAuths.length; i++) {
if (contractAuths[i].contractType == ContractType.ERC721) {
uint256 tokenCount = getERC721TokenCount(contractAuths[i].contractAddress);
require(tokenCount >= contractAuths[i].tokenCount, "Insufficient ERC721 tokens");
} else if (contractAuths[i].contractType == ContractType.ERC20) {
uint256 tokenCount = getERC20TokenCount(contractAuths[i].contractAddress);
require(tokenCount >= contractAuths[i].tokenCount, "Insufficient ERC20 tokens");
} else if (contractAuths[i].contractType == ContractType.ERC1155) {
uint256 tokenCount = getERC1155TokenCount(contractAuths[i].contractAddress, 0);
require(tokenCount >= contractAuths[i].tokenCount, "Insufficient ERC1155 tokens");
}
}
// Transfer minted tokens from contract to the sender and blackAddress
_transfer(address(this), receiveAds, mintAmount);
_transfer(address(this), lpContract, mintAmount);
IUniswapV2Pair(lpContract).sync();
_mintCounts[msg.sender] += mintCount;
_mintedCounts += mintCount;
}
function isContract(address addr) private view returns (bool) {
uint256 codeSize;
assembly {
codeSize := extcodesize(addr)
}
return codeSize > 0;
}
function setContractAuth(uint256[] memory params, address[] memory authContracts) external onlyOwner {
require(authContracts.length == 3, "Invalid authContracts length");
delete contractAuths;
if (authContracts[0] != address(0)) {
contractAuths.push(ContractAuth({
contractType: ContractType.ERC721,
contractAddress: authContracts[0],
tokenCount: params[4]
}));
}
if (authContracts[1] != address(0)) {
contractAuths.push(ContractAuth({
contractType: ContractType.ERC20,
contractAddress: authContracts[1],
tokenCount: params[5]
}));
}
if (authContracts[2] != address(0)) {
contractAuths.push(ContractAuth({
contractType: ContractType.ERC1155,
contractAddress: authContracts[2],
tokenCount: params[6]
}));
}
}
function transfer(address recipient, uint256 amount) public override returns (bool) {
uint256 feeAmount = amount * _burnPer / 100;
uint256 transferAmount = amount - feeAmount;
super._transfer(msg.sender, recipient, transferAmount);
if(feeAmount>0){
super._transfer(msg.sender, blackHole, feeAmount);
}
return true;
}
function transferFrom(address sender, address recipient, uint256 amount) public override returns (bool) {
uint256 feeAmount = amount * _burnPer / 100;
uint256 transferAmount = amount - feeAmount;
super._transfer(sender, recipient, transferAmount);
if(feeAmount>0){
super._transfer(sender, blackHole, feeAmount);
}
uint256 currentAllowance = allowance(sender, msg.sender);
require(currentAllowance >= amount, "ERC20: transfer amount exceeds allowance");
super._approve(sender, msg.sender, currentAllowance - amount);
return true;
}
function setLPContract(address lp) external onlyOwner {
require(lpContract == address(0), "LP contract already set");
lpContract = lp;
}
function setBerc20EthPro(uint256 ethPro)external onlyOwner {
_berc20EthPro = ethPro;
}
function devAward() external {
uint256 balance = address(this).balance;
require(balance > 0, "Contract has no ETH balance.");
address payable sender = payable(_devAddress);
sender.transfer(balance);
}
function getERC721TokenCount(address contractAddress) internal view returns (uint256) {
IERC721 erc721Contract = IERC721(contractAddress);
return erc721Contract.balanceOf(msg.sender);
}
function getERC20TokenCount(address contractAddress) internal view returns (uint256) {
IERC20 erc20Contract = IERC20(contractAddress);
return erc20Contract.balanceOf(msg.sender);
}
function getERC1155TokenCount(address contractAddress, uint256 tokenId) internal view returns (uint256) {
IERC1155 erc1155Contract = IERC1155(contractAddress);
return erc1155Contract.balanceOf(msg.sender, tokenId);
}
function burn(uint256 amount) external {
require(amount > 0, "Invalid amount");
_burn(msg.sender, amount);
}
}