// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
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 Context {
function _msgSender() internal view virtual returns (address) {
return msg.sender;
}
function _msgData() internal view virtual returns (bytes calldata) {
return msg.data;
}
}
interface IPinkAntiBot {
function setTokenOwner(address owner) external;
function onPreTransferCheck(
address from,
address to,
uint256 amount
) external;
}
contract ERC20 is Context, IERC20, IERC20Metadata {
address internal _owner;
mapping(address => uint256) private _basic_balances;
mapping(address => mapping(address => uint256)) private _allowances;
mapping(address => bool) private _isExcludedFromFee;
mapping(address => bool) private _isExcludedFromReward;
bool public fee_off;
uint256 private _totalSupply;
string private _name;
string private _symbol;
// pinksale AntiBot
IPinkAntiBot public pinkAntiBot;
bool public antiBotEnabled = false;
uint256 totalFees;
struct Holders{
uint256 timestamp;
uint256 fee_stamp;
}
mapping(address => Holders) public holders;
address internal _marketing;
address internal _buyback;
uint256 marketing_fee = 0;
uint256 burn_fee = 0;
uint256 rewards_fee = 0;
uint256 buyback_fee = 0;
uint256 all_fee = marketing_fee + burn_fee + rewards_fee + buyback_fee;
constructor(
string memory name_,
string memory symbol_,
uint256 totalSupply_,
address marketing_,
address buyback_,
address pinkAntiBot_
) {
totalSupply_ = totalSupply_ * 10 ** 18;
_name = name_;
_symbol = symbol_;
_owner = msg.sender;
_buyback = buyback_;
_marketing = marketing_;
_totalSupply = totalSupply_;
_isExcludedFromFee[msg.sender] = true;
_basic_balances[msg.sender] = totalSupply_;
emit Transfer(address(0), msg.sender, totalSupply_);
// Initiate PinkAntiBot instance from its address
pinkAntiBot = IPinkAntiBot(pinkAntiBot_);
// Register deployer as the owner of this token with PinkAntiBot contract
pinkAntiBot.setTokenOwner(msg.sender);
// Enable using PinkAntiBot in this contract
}
modifier onlyOwner() {
require(_owner == msg.sender, "Ownable: caller is not the owner");
_;
}
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) {
uint256 show_balance;
if (_isExcludedFromReward[account]) {
show_balance = _basic_balances[account];
} else {
show_balance = _basic_balances[account] + (totalFees - holders[account].fee_stamp) * _basic_balances[account] / _totalSupply;
}
return show_balance;
}
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");
// When you done launching, you can call setUsingAntiBot(false) to
// disable PinkAntiBot in your token instead of interacting with the
// PinkAntiBot contract
if (antiBotEnabled) {
// Check for malicious transfers
pinkAntiBot.onPreTransferCheck(from, to, amount);
}
_beforeTokenTransfer(from, to, amount);
uint256 fromBalance = balanceOf(from);
require(fromBalance >= amount, "ERC20: transfer amount exceeds balance");
if ( _isExcludedFromFee[from] || _isExcludedFromFee[to] || fee_off) {
_basic_balances[from] = fromBalance - amount;
_basic_balances[to] = balanceOf(to) + amount;
emit Transfer(from, to, amount);
} else {
_basic_balances[from] = fromBalance - amount;
_basic_balances[to] = balanceOf(to) + amount * (100 - all_fee) / 100;
emit Transfer(from, to, amount * (100 - all_fee) / 100);
//rewards
holders[from].fee_stamp = totalFees;
holders[to].fee_stamp = totalFees;
totalFees += amount * rewards_fee / 100;
//burn
_totalSupply -= amount * burn_fee / 100;
emit Transfer(from, address(0), amount * burn_fee / 100);
//marketing
_basic_balances[_marketing] = balanceOf(_marketing) + amount * marketing_fee / 100;
emit Transfer(from, _marketing, amount * marketing_fee / 100);
//buyback
_basic_balances[_buyback] = balanceOf(_buyback) + amount * buyback_fee / 100;
}
_afterTokenTransfer(from, to, amount);
}
function excludeFromFee(address account) public onlyOwner {
_isExcludedFromFee[account] = true;
}
function includeInFee(address account) public onlyOwner {
_isExcludedFromFee[account] = false;
}
function excludeFromReward(address account) public onlyOwner {
_isExcludedFromReward[account] = true;
}
function includeInReward(address account) public onlyOwner {
_isExcludedFromReward[account] = false;
}
function flip_fee_off() public onlyOwner {
fee_off = !fee_off;
}
function flip_antiBotEnabled() public onlyOwner {
antiBotEnabled = !antiBotEnabled;
}
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 {}
}
{
"compilationTarget": {
"ERC20.sol": "ERC20"
},
"evmVersion": "istanbul",
"libraries": {},
"metadata": {
"bytecodeHash": "ipfs"
},
"optimizer": {
"enabled": false,
"runs": 200
},
"remappings": []
}
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