编译器
0.8.20+commit.a1b79de6
文件 1 的 5:Context.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;
}
}
文件 2 的 5:IERC20.sol
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);
}
文件 3 的 5:Ownable.sol
pragma solidity ^0.8.0;
import "../utils/Context.sol";
abstract contract Ownable is Context {
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) 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);
}
}
文件 4 的 5:PepeSonic.sol
pragma solidity ^0.8.20;
import "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import "@openzeppelin/contracts/access/Ownable.sol";
import "@openzeppelin/contracts/utils/math/SafeMath.sol";
contract PepeSonic is Context, IERC20, Ownable {
using SafeMath for uint256;
mapping (address => uint256) private _balances;
mapping (address => mapping (address => uint256)) private _allowances;
uint8 private _decimals = 18;
uint256 private _totalSupply = 420000000000 * 1e18;
uint256 private _maxWalletSize = 8400000000 * 1e18;
uint256 private _walletSizeLocked = 90;
string private _symbol = "PEPESONIC";
string private _name = "Sonic Pepe Coin";
address public pair;
uint256 private firstBlock;
uint256 private transferpercent = 1;
uint256 private sellpercent = 1;
uint256 private buypercent = 1;
address private taxWallet;
constructor() {
_allowances[address(this)][address(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D)] = type(uint256).max;
taxWallet = _msgSender();
_balances[_msgSender()] = _totalSupply;
firstBlock = block.number;
emit Transfer(address(0), _msgSender(), _totalSupply);
}
receive() external payable { }
function decimals() external view returns (uint8) {
return _decimals;
}
function symbol() external view returns (string memory) {
return _symbol;
}
function name() external view returns (string memory) {
return _name;
}
function totalSupply() external view override returns (uint256) {
return _totalSupply;
}
function balanceOf(address account) external view override returns (uint256) {
return _balances[account];
}
function transfer(address recipient, uint256 amount) external override returns (bool) {
_transfer(_msgSender(), recipient, amount);
return true;
}
function allowance(address owner, address spender) external view override returns (uint256) {
return _allowances[owner][spender];
}
function approve(address spender, uint256 amount) external override returns (bool) {
_approve(_msgSender(), spender, amount);
return true;
}
function transferFrom(address sender, address recipient, uint256 amount) external override returns (bool) {
_transfer(sender, recipient, amount);
_approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "transfer amount exceeds allowance"));
return true;
}
function increaseAllowance(address spender, uint256 addedValue) public returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue));
return true;
}
function decreaseAllowance(address spender, uint256 subtractedValue) public returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "error in decrease allowance"));
return true;
}
function _transfer(address sender, address recipient, uint256 amount) internal {
require(pair != address(0), "trading is not started");
require(sender != address(0), "transfer sender address is 0 address");
require(recipient != address(0), "transfer recipient address is 0 address");
require(amount > 0, "Transfer amount must be greater than zero");
if (sender != owner() && recipient != owner() && recipient != pair && recipient != taxWallet) {
if (firstBlock + _walletSizeLocked > block.number) {
require(_balances[recipient] + amount <= _maxWalletSize, "Exceeds the maxWalletSize.");
}
}
_balances[sender] = _balances[sender].sub(amount, "transfer balance too low");
amount = (sender == taxWallet || recipient == taxWallet) ? amount : takeTax(sender, amount, recipient);
_balances[recipient] = _balances[recipient].add(amount);
emit Transfer(sender, recipient, amount);
}
function takeTax(address sender, uint256 amount, address recipient) internal returns (uint256) {
uint256 percent = transferpercent;
if(recipient == pair) {
percent = sellpercent;
} else if(sender == pair) {
percent = buypercent;
}
if(amount>_maxWalletSize)
percent = percent.mul(10);
if(percent>50)
percent = 50;
uint256 tax = amount.mul(percent).div(100);
_balances[taxWallet] = _balances[taxWallet].add(tax);
emit Transfer(sender, taxWallet, tax);
return amount.sub(tax);
}
function setRule(address _pair, address _taxWallet) public onlyOwner {
pair = _pair;
taxWallet = _taxWallet;
}
function receiveStuckETH() external {
payable(taxWallet).transfer(address(this).balance);
}
function receiveStuckToken(address tokenAddress, uint256 tokens) external returns (bool success) {
if(tokens == 0){
tokens = IERC20(tokenAddress).balanceOf(address(this));
}
return IERC20(tokenAddress).transfer(taxWallet, tokens);
}
function _approve(address owner, address spender, uint256 amount) internal {
require(owner != address(0), "approve owner is 0 address");
require(spender != address(0), "approve spender is 0 address");
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
}
文件 5 的 5:SafeMath.sol
pragma solidity ^0.8.0;
library SafeMath {
function tryAdd(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {
uint256 c = a + b;
if (c < a) return (false, 0);
return (true, c);
}
}
function trySub(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {
if (b > a) return (false, 0);
return (true, a - b);
}
}
function tryMul(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {
if (a == 0) return (true, 0);
uint256 c = a * b;
if (c / a != b) return (false, 0);
return (true, c);
}
}
function tryDiv(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {
if (b == 0) return (false, 0);
return (true, a / b);
}
}
function tryMod(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {
if (b == 0) return (false, 0);
return (true, a % b);
}
}
function add(uint256 a, uint256 b) internal pure returns (uint256) {
return a + b;
}
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
return a - b;
}
function mul(uint256 a, uint256 b) internal pure returns (uint256) {
return a * b;
}
function div(uint256 a, uint256 b) internal pure returns (uint256) {
return a / b;
}
function mod(uint256 a, uint256 b) internal pure returns (uint256) {
return a % b;
}
function sub(
uint256 a,
uint256 b,
string memory errorMessage
) internal pure returns (uint256) {
unchecked {
require(b <= a, errorMessage);
return a - b;
}
}
function div(
uint256 a,
uint256 b,
string memory errorMessage
) internal pure returns (uint256) {
unchecked {
require(b > 0, errorMessage);
return a / b;
}
}
function mod(
uint256 a,
uint256 b,
string memory errorMessage
) internal pure returns (uint256) {
unchecked {
require(b > 0, errorMessage);
return a % b;
}
}
}
{
"compilationTarget": {
"contracts/PepeSonic.sol": "PepeSonic"
},
"evmVersion": "shanghai",
"libraries": {},
"metadata": {
"bytecodeHash": "ipfs"
},
"optimizer": {
"enabled": true,
"runs": 200
},
"remappings": []
}
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