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April 4, 2022 00:13
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// SPDX-License-Identifier: MIT | |
pragma solidity 0.8.13; | |
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 { | |
/** | |
* @dev Returns the amount of tokens in existence. | |
*/ | |
function totalSupply() external view returns (uint256); | |
/** | |
* @dev Returns the amount of tokens owned by `account`. | |
*/ | |
function balanceOf(address account) external view returns (uint256); | |
/** | |
* @dev Moves `amount` tokens from the caller's account to `to`. | |
* | |
* Returns a boolean value indicating whether the operation succeeded. | |
* | |
* Emits a {Transfer} event. | |
*/ | |
function transfer(address to, uint256 amount) external returns (bool); | |
/** | |
* @dev Returns the remaining number of tokens that `spender` will be | |
* allowed to spend on behalf of `owner` through {transferFrom}. This is | |
* zero by default. | |
* | |
* This value changes when {approve} or {transferFrom} are called. | |
*/ | |
function allowance(address owner, address spender) external view returns (uint256); | |
/** | |
* @dev Sets `amount` as the allowance of `spender` over the caller's tokens. | |
* | |
* Returns a boolean value indicating whether the operation succeeded. | |
* | |
* IMPORTANT: Beware that changing an allowance with this method brings the risk | |
* that someone may use both the old and the new allowance by unfortunate | |
* transaction ordering. One possible solution to mitigate this race | |
* condition is to first reduce the spender's allowance to 0 and set the | |
* desired value afterwards: | |
* https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729 | |
* | |
* Emits an {Approval} event. | |
*/ | |
function approve(address spender, uint256 amount) external returns (bool); | |
/** | |
* @dev Moves `amount` tokens from `from` to `to` using the | |
* allowance mechanism. `amount` is then deducted from the caller's | |
* allowance. | |
* | |
* Returns a boolean value indicating whether the operation succeeded. | |
* | |
* Emits a {Transfer} event. | |
*/ | |
function transferFrom( | |
address from, | |
address to, | |
uint256 amount | |
) external returns (bool); | |
/** | |
* @dev Emitted when `value` tokens are moved from one account (`from`) to | |
* another (`to`). | |
* | |
* Note that `value` may be zero. | |
*/ | |
event Transfer(address indexed from, address indexed to, uint256 value); | |
/** | |
* @dev Emitted when the allowance of a `spender` for an `owner` is set by | |
* a call to {approve}. `value` is the new allowance. | |
*/ | |
event Approval(address indexed owner, address indexed spender, uint256 value); | |
} | |
interface IERC20Metadata is IERC20 { | |
/** | |
* @dev Returns the name of the token. | |
*/ | |
function name() external view returns (string memory); | |
/** | |
* @dev Returns the symbol of the token. | |
*/ | |
function symbol() external view returns (string memory); | |
/** | |
* @dev Returns the decimals places of the token. | |
*/ | |
function decimals() external view returns (uint8); | |
} | |
abstract contract Ownable is Context { | |
address private _owner; | |
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); | |
/** | |
* @dev Initializes the contract setting the deployer as the initial owner. | |
*/ | |
constructor() { | |
_transferOwnership(_msgSender()); | |
} | |
/** | |
* @dev Returns the address of the current owner. | |
*/ | |
function owner() public view virtual returns (address) { | |
return _owner; | |
} | |
/** | |
* @dev Throws if called by any account other than the owner. | |
*/ | |
modifier onlyOwner() { | |
require(owner() == _msgSender(), "Ownable: caller is not the owner"); | |
_; | |
} | |
/** | |
* @dev Leaves the contract without owner. It will not be possible to call | |
* `onlyOwner` functions anymore. Can only be called by the current owner. | |
* | |
* NOTE: Renouncing ownership will leave the contract without an owner, | |
* thereby removing any functionality that is only available to the owner. | |
*/ | |
function renounceOwnership() public virtual onlyOwner { | |
_transferOwnership(address(0)); | |
} | |
/** | |
* @dev Transfers ownership of the contract to a new account (`newOwner`). | |
* Can only be called by the current owner. | |
*/ | |
function transferOwnership(address newOwner) public virtual onlyOwner { | |
require(newOwner != address(0), "Ownable: new owner is the zero address"); | |
_transferOwnership(newOwner); | |
} | |
/** | |
* @dev Transfers ownership of the contract to a new account (`newOwner`). | |
* Internal function without access restriction. | |
*/ | |
function _transferOwnership(address newOwner) internal virtual { | |
address oldOwner = _owner; | |
_owner = newOwner; | |
emit OwnershipTransferred(oldOwner, newOwner); | |
} | |
} | |
interface IUniswapV2Factory { | |
function createPair(address tokenA, address tokenB) external returns (address pair); | |
} | |
interface IUniswapV2Pair { | |
function sync() external; | |
} | |
interface IUniswapV2Router01 { | |
function factory() external pure returns (address); | |
function WETH() external pure returns (address); | |
function addLiquidity( | |
address tokenA, | |
address tokenB, | |
uint256 amountADesired, | |
uint256 amountBDesired, | |
uint256 amountAMin, | |
uint256 amountBMin, | |
address to, | |
uint256 deadline | |
) | |
external | |
returns ( | |
uint256 amountA, | |
uint256 amountB, | |
uint256 liquidity | |
); | |
function addLiquidityETH( | |
address token, | |
uint256 amountTokenDesired, | |
uint256 amountTokenMin, | |
uint256 amountETHMin, | |
address to, | |
uint256 deadline | |
) | |
external | |
payable | |
returns ( | |
uint256 amountToken, | |
uint256 amountETH, | |
uint256 liquidity | |
); | |
} | |
interface IUniswapV2Router02 is IUniswapV2Router01 { | |
function removeLiquidityETHSupportingFeeOnTransferTokens( | |
address token, | |
uint256 liquidity, | |
uint256 amountTokenMin, | |
uint256 amountETHMin, | |
address to, | |
uint256 deadline | |
) external returns (uint256 amountETH); | |
function swapExactTokensForETHSupportingFeeOnTransferTokens( | |
uint256 amountIn, | |
uint256 amountOutMin, | |
address[] calldata path, | |
address to, | |
uint256 deadline | |
) external; | |
function swapExactTokensForTokensSupportingFeeOnTransferTokens( | |
uint256 amountIn, | |
uint256 amountOutMin, | |
address[] calldata path, | |
address to, | |
uint256 deadline | |
) external; | |
function swapExactETHForTokensSupportingFeeOnTransferTokens( | |
uint256 amountOutMin, | |
address[] calldata path, | |
address to, | |
uint256 deadline | |
) external payable; | |
} | |
contract MyERC20 is Context, IERC20, IERC20Metadata, Ownable { | |
// Openzeppelin variables | |
mapping(address => uint256) private _balances; | |
mapping(address => mapping(address => uint256)) private _allowances; | |
uint256 private _totalSupply; | |
string private _name; | |
string private _symbol; | |
// My variables | |
bool private inSwap; | |
uint256 internal _marketingFeeCollected; | |
uint256 internal _donationFeeCollected; | |
uint256 internal _liquidityFeeCollected; | |
uint256 public minTokensBeforeSwap; | |
address public marketing_wallet; | |
address public donation_wallet; | |
address public liquidity_wallet; | |
IUniswapV2Router02 public router; | |
address public pair; | |
uint public _feeDecimal = 2; | |
// index 0 = buy fee, index 1 = sell fee, index 2 = p2p fee | |
uint[] public _marketingFee; | |
uint[] public _donationFee; | |
uint[] public _liquidityFee; | |
bool public swapEnabled = true; | |
bool public isFeeActive = false; | |
mapping(address => bool) public isTaxless; | |
mapping(address => bool) public isMaxTxExempt; | |
mapping(address => bool) public blacklist; | |
uint public maxTxAmount; | |
uint public maxWalletAmount; | |
event Swap(uint swaped, uint sentToMarketing, uint sentToDonation); | |
event AutoLiquify(uint256 amountETH, uint256 amountTokens); | |
// Openzeppelin functions | |
/** | |
* @dev Sets the values for {name} and {symbol}. | |
* | |
* The default value of {decimals} is 18. To select a different value for | |
* {decimals} you should overload it. | |
* | |
* All two of these values are immutable: they can only be set once during | |
* construction. | |
*/ | |
constructor(string memory p_name, string memory p_symbol, | |
address p_marketing_wallet, address p_donation_wallet, address p_liquidity_wallet, | |
uint p_total_supply, | |
uint p_max_wallet_percentage, uint p_max_tx_percentage, | |
uint p_marketing_fee, uint p_donation_fee, uint p_liquidity_fee) { | |
// Editable | |
string memory e_name = p_name; | |
string memory e_symbol = p_symbol; | |
marketing_wallet = p_marketing_wallet; | |
donation_wallet = p_donation_wallet; | |
liquidity_wallet = p_liquidity_wallet; | |
uint e_totalSupply = p_total_supply; | |
minTokensBeforeSwap = p_total_supply; // Off by default | |
// End editable | |
_name = e_name; | |
_symbol = e_symbol; | |
IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D); | |
pair = IUniswapV2Factory(_uniswapV2Router.factory()).createPair(address(this), _uniswapV2Router.WETH()); | |
router = _uniswapV2Router; | |
_marketingFee.push(p_marketing_fee); | |
_marketingFee.push(p_marketing_fee); | |
_marketingFee.push(0); | |
_donationFee.push(p_donation_fee); | |
_donationFee.push(p_donation_fee); | |
_donationFee.push(0); | |
_liquidityFee.push(p_liquidity_fee); | |
_liquidityFee.push(p_liquidity_fee); | |
_liquidityFee.push(0); | |
isTaxless[msg.sender] = true; | |
isTaxless[address(this)] = true; | |
isTaxless[marketing_wallet] = true; | |
isTaxless[donation_wallet] = true; | |
isTaxless[liquidity_wallet] = true; | |
isTaxless[address(0)] = true; | |
isMaxTxExempt[msg.sender] = true; | |
isMaxTxExempt[address(this)] = true; | |
isMaxTxExempt[marketing_wallet] = true; | |
isMaxTxExempt[donation_wallet] = true; | |
isMaxTxExempt[liquidity_wallet] = true; | |
isMaxTxExempt[pair] = true; | |
isMaxTxExempt[address(router)] = true; | |
_mint(msg.sender, e_totalSupply); | |
setMaxWalletPercentage(p_max_wallet_percentage); // 1% | |
setMaxTxPercentage(p_max_tx_percentage); // 0.1% | |
} | |
/** | |
* @dev Returns the name of the token. | |
*/ | |
function name() public view virtual override returns (string memory) { | |
return _name; | |
} | |
/** | |
* @dev Returns the symbol of the token, usually a shorter version of the | |
* name. | |
*/ | |
function symbol() public view virtual override returns (string memory) { | |
return _symbol; | |
} | |
/** | |
* @dev Returns the number of decimals used to get its user representation. | |
* For example, if `decimals` equals `2`, a balance of `505` tokens should | |
* be displayed to a user as `5.05` (`505 / 10 ** 2`). | |
* | |
* Tokens usually opt for a value of 18, imitating the relationship between | |
* Ether and Wei. This is the value {ERC20} uses, unless this function is | |
* overridden; | |
* | |
* NOTE: This information is only used for _display_ purposes: it in | |
* no way affects any of the arithmetic of the contract, including | |
* {IERC20-balanceOf} and {IERC20-transfer}. | |
*/ | |
function decimals() public view virtual override returns (uint8) { | |
return 18; | |
} | |
/** | |
* @dev See {IERC20-totalSupply}. | |
*/ | |
function totalSupply() public view virtual override returns (uint256) { | |
return _totalSupply; | |
} | |
/** | |
* @dev See {IERC20-balanceOf}. | |
*/ | |
function balanceOf(address account) public view virtual override returns (uint256) { | |
return _balances[account]; | |
} | |
/** | |
* @dev See {IERC20-transfer}. | |
* | |
* Requirements: | |
* | |
* - `to` cannot be the zero address. | |
* - the caller must have a balance of at least `amount`. | |
*/ | |
function transfer(address to, uint256 amount) public virtual override returns (bool) { | |
address owner = _msgSender(); | |
_transfer(owner, to, amount); | |
return true; | |
} | |
/** | |
* @dev See {IERC20-allowance}. | |
*/ | |
function allowance(address owner, address spender) public view virtual override returns (uint256) { | |
return _allowances[owner][spender]; | |
} | |
/** | |
* @dev See {IERC20-approve}. | |
* | |
* NOTE: If `amount` is the maximum `uint256`, the allowance is not updated on | |
* `transferFrom`. This is semantically equivalent to an infinite approval. | |
* | |
* Requirements: | |
* | |
* - `spender` cannot be the zero address. | |
*/ | |
function approve(address spender, uint256 amount) public virtual override returns (bool) { | |
address owner = _msgSender(); | |
_approve(owner, spender, amount); | |
return true; | |
} | |
/** | |
* @dev See {IERC20-transferFrom}. | |
* | |
* Emits an {Approval} event indicating the updated allowance. This is not | |
* required by the EIP. See the note at the beginning of {ERC20}. | |
* | |
* NOTE: Does not update the allowance if the current allowance | |
* is the maximum `uint256`. | |
* | |
* Requirements: | |
* | |
* - `from` and `to` cannot be the zero address. | |
* - `from` must have a balance of at least `amount`. | |
* - the caller must have allowance for ``from``'s tokens of at least | |
* `amount`. | |
*/ | |
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; | |
} | |
/** | |
* @dev Atomically increases the allowance granted to `spender` by the caller. | |
* | |
* This is an alternative to {approve} that can be used as a mitigation for | |
* problems described in {IERC20-approve}. | |
* | |
* Emits an {Approval} event indicating the updated allowance. | |
* | |
* Requirements: | |
* | |
* - `spender` cannot be the zero address. | |
*/ | |
function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) { | |
address owner = _msgSender(); | |
_approve(owner, spender, _allowances[owner][spender] + addedValue); | |
return true; | |
} | |
/** | |
* @dev Atomically decreases the allowance granted to `spender` by the caller. | |
* | |
* This is an alternative to {approve} that can be used as a mitigation for | |
* problems described in {IERC20-approve}. | |
* | |
* Emits an {Approval} event indicating the updated allowance. | |
* | |
* Requirements: | |
* | |
* - `spender` cannot be the zero address. | |
* - `spender` must have allowance for the caller of at least | |
* `subtractedValue`. | |
*/ | |
function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) { | |
address owner = _msgSender(); | |
uint256 currentAllowance = _allowances[owner][spender]; | |
require(currentAllowance >= subtractedValue, "ERC20: decreased allowance below zero"); | |
unchecked { | |
_approve(owner, spender, currentAllowance - subtractedValue); | |
} | |
return true; | |
} | |
/** | |
* @dev Moves `amount` of tokens from `sender` to `recipient`. | |
* | |
* This internal function is equivalent to {transfer}, and can be used to | |
* e.g. implement automatic token fees, slashing mechanisms, etc. | |
* | |
* Emits a {Transfer} event. | |
* | |
* Requirements: | |
* | |
* - `from` cannot be the zero address. | |
* - `to` cannot be the zero address. | |
* - `from` must have a balance of at least `amount`. | |
*/ | |
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"); | |
// My implementation | |
require(!blacklist[from] && !blacklist[to], "sender or recipient is blacklisted!"); | |
require(isMaxTxExempt[from] || amount <= maxTxAmount, "Transfer exceeds limit!"); | |
require(isMaxTxExempt[to] || balanceOf(to) + amount <= maxWalletAmount, "Max Wallet Limit Exceeds!"); | |
if (swapEnabled && !inSwap && from != pair) { | |
swap(); | |
} | |
uint256 feesCollected; | |
if (isFeeActive && !isTaxless[from] && !isTaxless[to] && !inSwap) { | |
bool sell = to == pair; | |
bool p2p = from != pair && to != pair; | |
feesCollected = calculateFee(p2p ? 2 : sell ? 1 : 0, amount); | |
} | |
amount -= feesCollected; | |
_balances[from] -= feesCollected; | |
_balances[address(this)] += feesCollected; | |
// End my implementation | |
uint256 fromBalance = _balances[from]; | |
require(fromBalance >= amount, "ERC20: transfer amount exceeds balance"); | |
unchecked { | |
_balances[from] = fromBalance - amount; | |
} | |
_balances[to] += amount; | |
emit Transfer(from, to, amount); | |
} | |
/** @dev Creates `amount` tokens and assigns them to `account`, increasing | |
* the total supply. | |
* | |
* Emits a {Transfer} event with `from` set to the zero address. | |
* | |
* Requirements: | |
* | |
* - `account` cannot be the zero address. | |
*/ | |
function _mint(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); | |
} | |
/** | |
* @dev Destroys `amount` tokens from `account`, reducing the | |
* total supply. | |
* | |
* Emits a {Transfer} event with `to` set to the zero address. | |
* | |
* Requirements: | |
* | |
* - `account` cannot be the zero address. | |
* - `account` must have at least `amount` tokens. | |
function _burn(address account, uint256 amount) internal virtual { | |
require(account != address(0), "ERC20: burn from the zero address"); | |
uint256 accountBalance = _balances[account]; | |
require(accountBalance >= amount, "ERC20: burn amount exceeds balance"); | |
unchecked { | |
_balances[account] = accountBalance - amount; | |
} | |
_totalSupply -= amount; | |
emit Transfer(account, address(0), amount); | |
} | |
*/ | |
/** | |
* @dev Sets `amount` as the allowance of `spender` over the `owner` s tokens. | |
* | |
* This internal function is equivalent to `approve`, and can be used to | |
* e.g. set automatic allowances for certain subsystems, etc. | |
* | |
* Emits an {Approval} event. | |
* | |
* Requirements: | |
* | |
* - `owner` cannot be the zero address. | |
* - `spender` cannot be the zero address. | |
*/ | |
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); | |
} | |
/** | |
* @dev Spend `amount` form the allowance of `owner` toward `spender`. | |
* | |
* Does not update the allowance amount in case of infinite allowance. | |
* Revert if not enough allowance is available. | |
* | |
* Might emit an {Approval} event. | |
*/ | |
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); | |
} | |
} | |
} | |
// My functions | |
modifier lockTheSwap() { | |
inSwap = true; | |
_; | |
inSwap = false; | |
} | |
function sendViaCall(address payable _to, uint amount) private { | |
(bool sent, bytes memory data) = _to.call{value: amount}(""); | |
data; | |
require(sent, "Failed to send Ether"); | |
} | |
function swap() private lockTheSwap { | |
// How much are we swaping? | |
uint totalCollected = _marketingFeeCollected + _donationFeeCollected + _liquidityFeeCollected; | |
uint amountToSwap = _marketingFeeCollected + _donationFeeCollected + (_liquidityFeeCollected / 2); | |
uint amountTokensToLiquidity = totalCollected - amountToSwap; | |
if(minTokensBeforeSwap > totalCollected) return; | |
// Let's swap for eth now | |
address[] memory sellPath = new address[](2); | |
sellPath[0] = address(this); | |
sellPath[1] = router.WETH(); | |
uint balanceBefore = address(this).balance; | |
_approve(address(this), address(router), amountToSwap); | |
router.swapExactTokensForETHSupportingFeeOnTransferTokens( | |
amountToSwap, | |
0, | |
sellPath, | |
address(this), | |
block.timestamp | |
); | |
uint amountFee = address(this).balance - balanceBefore; | |
// Send to marketing | |
uint amountMarketing = (amountFee * _marketingFeeCollected) / totalCollected; | |
if(amountMarketing > 0) sendViaCall(payable(marketing_wallet), amountMarketing); | |
// Send to donations | |
uint amountDonation = (amountFee * _donationFeeCollected) / totalCollected; | |
if(amountDonation > 0) sendViaCall(payable(donation_wallet), amountDonation); | |
// Send to LP | |
uint256 amountETHLiquidity = address(this).balance; | |
if(amountTokensToLiquidity > 0){ | |
_approve(address(this), address(router), amountTokensToLiquidity); | |
router.addLiquidityETH{value: amountETHLiquidity}( | |
address(this), | |
amountTokensToLiquidity, | |
0, | |
0, | |
liquidity_wallet, | |
block.timestamp | |
); | |
emit AutoLiquify(amountETHLiquidity, amountTokensToLiquidity); | |
} | |
_marketingFeeCollected = 0; | |
_donationFeeCollected = 0; | |
_liquidityFeeCollected = 0; | |
emit Swap(totalCollected, amountMarketing, amountDonation); | |
} | |
function calculateFee(uint256 feeIndex, uint256 amount) internal returns(uint256) { | |
uint256 marketingFee = (amount * _marketingFee[feeIndex]) / (10**(_feeDecimal + 2)); | |
uint256 donationFee = (amount * _donationFee[feeIndex]) / (10**(_feeDecimal + 2)); | |
uint256 liquidityFee = (amount * _liquidityFee[feeIndex]) / (10**(_feeDecimal + 2)); | |
_marketingFeeCollected += marketingFee; | |
_donationFeeCollected += donationFee; | |
_liquidityFeeCollected += liquidityFee; | |
return marketingFee + donationFee + liquidityFee; | |
} | |
function setMaxTxPercentage(uint256 percentage) public onlyOwner { | |
maxTxAmount = (_totalSupply * percentage) / 10000; | |
} | |
function setMaxWalletPercentage(uint256 percentage) public onlyOwner { | |
maxWalletAmount = (_totalSupply * percentage) / 10000; | |
} | |
function setMinTokensBeforeSwap(uint256 amount) external onlyOwner { | |
minTokensBeforeSwap = amount; | |
} | |
function setMarketingWallet(address wallet) external onlyOwner { | |
marketing_wallet = wallet; | |
} | |
function setDonationWallet(address wallet) external onlyOwner { | |
donation_wallet = wallet; | |
} | |
function setLiquidityWallet(address wallet) external onlyOwner { | |
liquidity_wallet = wallet; | |
} | |
function setMarketingFees(uint256 buy, uint256 sell, uint256 p2p) external onlyOwner { | |
_marketingFee[0] = buy; | |
_marketingFee[1] = sell; | |
_marketingFee[2] = p2p; | |
} | |
function setDonationFees(uint256 buy, uint256 sell, uint256 p2p) external onlyOwner { | |
_donationFee[0] = buy; | |
_donationFee[1] = sell; | |
_donationFee[2] = p2p; | |
} | |
function setLiquidityFees(uint256 buy, uint256 sell, uint256 p2p) external onlyOwner { | |
_liquidityFee[0] = buy; | |
_liquidityFee[1] = sell; | |
_liquidityFee[2] = p2p; | |
} | |
function setSwapEnabled(bool enabled) external onlyOwner { | |
swapEnabled = enabled; | |
} | |
function setFeeActive(bool value) external onlyOwner { | |
isFeeActive = value; | |
} | |
function setTaxless(address account, bool value) external onlyOwner { | |
isTaxless[account] = value; | |
} | |
function setMaxTxExempt(address account, bool value) external onlyOwner { | |
isMaxTxExempt[account] = value; | |
} | |
/* | |
function setBlacklist(address account, bool isBlacklisted) external onlyOwner { | |
blacklist[account] = isBlacklisted; | |
} | |
*/ | |
function multiBlacklist(address[] memory addresses, bool _bool) external onlyOwner { | |
for (uint256 i = 0;i < addresses.length; i++){ | |
blacklist[addresses[i]] = _bool; | |
} | |
} | |
fallback() external payable {} | |
receive() external payable {} | |
} | |
contract TimelockDemo { | |
} | |
contract Factory | |
{ | |
function createToken(string memory p_name, string memory p_symbol, | |
address p_marketing_wallet, address p_donation_wallet, address p_liquidity_wallet, | |
uint p_total_supply, | |
uint p_max_wallet_percentage, uint p_max_tx_percentage, | |
uint marketing_fee, uint donation_fee, uint liquidity_fee) public returns(address) | |
{ | |
MyERC20 token_contract = new MyERC20(p_name, p_symbol, | |
p_marketing_wallet, p_donation_wallet, p_liquidity_wallet, | |
p_total_supply, | |
p_max_wallet_percentage, p_max_tx_percentage, | |
marketing_fee, donation_fee, liquidity_fee); | |
return address(token_contract); | |
} | |
} | |
contract Maestro { | |
bytes public my_calldata; | |
address public new_contract_address; | |
function getCalldata(string memory param1, uint param2) public pure returns(bytes memory) | |
{ | |
bytes4 signature = bytes4(keccak256("createContract(string,uint256)")); | |
return abi.encodeWithSelector(signature, param1, param2); | |
} | |
function launch(address factory_address, bytes calldata data) public | |
{ | |
(bool success, bytes memory returnData) = address(factory_address).call(data); | |
require(success, "low-level call failed"); | |
new_contract_address = bytesToAddress(returnData); | |
} | |
function bytesToAddress(bytes memory bys) private pure returns (address addr) { | |
assembly { | |
addr := mload(add(bys,32)) | |
} | |
} | |
} | |
/* | |
web3.eth.abi.encodeFunctionCall({ | |
name: 'createToken', | |
type: 'function', | |
inputs: [{ | |
type: 'string', | |
name: 'name' | |
},{ | |
type: 'string', | |
name: 'symbol' | |
},{ | |
type: 'uint256', | |
name: 'supply' | |
},{ | |
type: 'address', | |
name: 'creator' | |
}] | |
}, ['Mi token', 'MT', '1000000000000000000000000', '0xb6F5414bAb8d5ad8F33E37591C02f7284E974FcB']); | |
*/ |
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