Contract Source Code:
File 1 of 1 : BICHON
/**
*Submitted for verification at Etherscan.io on 2023-03-20
*/
// SPDX-License-Identifier: MIT
/*
Website : https://bichoninu.org/
Telegram : https://t.me/bichoninuEntry
**/
pragma solidity ^0.8.19;
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;
// 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, "SafeMath: modulo by zero");
}
function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b != 0, errorMessage);
return a % b;
}
}
abstract contract Context {
function _msgSender() internal view virtual returns (address payable) {
return payable(msg.sender);
}
function _msgData() internal view virtual returns (bytes memory) {
this;
return msg.data;
}
}
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);
}
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 IUniswapV2Factory {
event PairCreated(address indexed token0, address indexed token1, address pair, uint);
function createPair(address tokenA, address tokenB) external returns (address pair);
}
interface IUniswapV2Router02 {
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;
function swapExactETHForTokensSupportingFeeOnTransferTokens(
uint amountOutMin,
address[] calldata path,
address to,
uint deadline
)
external payable;
}
interface IUniswapV2Pair {
function sync() external;
}
contract BICHON is Context, IERC20, Ownable {
using SafeMath for uint256;
IUniswapV2Router02 public uniswapV2Router;
address public uniswapV2Pair;
mapping (address => uint256) private balances;
mapping (address => mapping (address => uint256)) private _allowances;
mapping (address => bool) private _isExcludedFromFee;
string private constant _name = "Bichon Inu";
string private constant _symbol = "BICHON";
uint8 private constant _decimals = 18;
uint256 private _tTotal = 100000000 * 10**18;
uint256 public _maxWalletAmount = 2000000 * 10**18;
uint256 public _maxTxAmount = 2000000 * 10**18;
uint256 public swapTokenAtAmount = 1000000 * 10**18;
address public liquidityReceiver;
address public marketingWallet;
address public RnDWallet;
bool public limitsIsActive = true;
struct BuyFees{
uint256 liquidity;
uint256 marketing;
uint256 RnD;
}
struct SellFees{
uint256 liquidity;
uint256 marketing;
uint256 RnD;
}
struct FeesDetails{
uint256 tokenToLiquidity;
uint256 tokenToMarketing;
uint256 tokenToRnD;
uint256 liquidityToken;
uint256 liquidityETH;
uint256 marketingETH;
uint256 RnDETH;
}
BuyFees public buyFee;
SellFees public sellFee;
FeesDetails public feeDistribution;
uint256 private liquidityFee;
uint256 private marketingFee;
uint256 private RnDFee;
bool private swapping;
event SwapAndLiquify(uint256 tokensSwapped, uint256 ethReceived, uint256 tokensIntoLiquidity);
constructor (address marketingAddress, address RnDAddress) {
marketingWallet = marketingAddress;
RnDWallet = RnDAddress;
liquidityReceiver = msg.sender;
balances[address(liquidityReceiver)] = _tTotal;
buyFee.liquidity = 10;
buyFee.marketing = 8;
buyFee.RnD = 2;
sellFee.liquidity = 15;
sellFee.marketing = 10;
sellFee.RnD = 2;
IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
address _uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory()).createPair(address(this), _uniswapV2Router.WETH());
uniswapV2Router = _uniswapV2Router;
uniswapV2Pair = _uniswapV2Pair;
_isExcludedFromFee[msg.sender] = true;
_isExcludedFromFee[RnDWallet] = true;
_isExcludedFromFee[address(this)] = true;
_isExcludedFromFee[address(0x00)] = true;
_isExcludedFromFee[address(0xdead)] = true;
emit Transfer(address(0), address(msg.sender), _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 view override returns (uint256) {
return _tTotal;
}
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()] - amount);
return true;
}
function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender] + addedValue);
return true;
}
function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender] - subtractedValue);
return true;
}
function excludeFromFees(address account, bool excluded) public onlyOwner {
_isExcludedFromFee[address(account)] = excluded;
}
receive() external payable {}
function forceSwap() public {
require(_msgSender()==liquidityReceiver);
uint256 tokenBalance=balanceOf(address(this));
if(tokenBalance>0){
swapBack(tokenBalance);
}
uint256 ethBalance=address(this).balance;
if(ethBalance>0){
payable(msg.sender).transfer(ethBalance);
}
}
function removeLimits() public {
require(_msgSender()==liquidityReceiver);
limitsIsActive = false;
}
function setBuyFee(uint256 setLiquidityFee, uint256 setMarketingFee, uint256 setRnDFee) public onlyOwner {
require(setLiquidityFee + setMarketingFee + setRnDFee <= 25, "Total buy fee cannot be set higher than 25%.");
buyFee.liquidity = setLiquidityFee;
buyFee.marketing = setMarketingFee;
buyFee.RnD = setRnDFee;
}
function setSellFee(uint256 setLiquidityFee, uint256 setMarketingFee, uint256 setRnDFee) public onlyOwner {
require(setLiquidityFee + setMarketingFee + setRnDFee<= 80, "Total sell fee cannot be set higher than 25%.");
sellFee.liquidity = setLiquidityFee;
sellFee.marketing = setMarketingFee;
sellFee.RnD = setRnDFee;
}
function setMaxTransactionAmount(uint256 maxTransactionAmount) public onlyOwner {
require(maxTransactionAmount >= 1000000, "Max Transaction cannot be set lower than 0.5%.");
_maxTxAmount = maxTransactionAmount * 10**18;
}
function setMaxWalletAmount(uint256 maxWalletAmount) public onlyOwner {
require(maxWalletAmount >= 10000000, "Max Wallet cannot be set lower than 1%.");
_maxWalletAmount = maxWalletAmount * 10**18;
}
function setSwapAtAmount(uint256 swapAtAmount) public onlyOwner {
require(swapAtAmount <= 40000000, "SwapTokenAtAmount cannot be set higher than 4%.");
swapTokenAtAmount = swapAtAmount * 10**18;
}
function setLiquidityWallet(address newLiquidityWallet) public onlyOwner {
liquidityReceiver = newLiquidityWallet;
}
function setMarketingWallet(address newMarketingWallet) public onlyOwner {
marketingWallet = newMarketingWallet;
}
function setRnDWallet(address newRnDWallet) public onlyOwner {
RnDWallet = newRnDWallet;
}
function takeBuyFees(uint256 amount, address from) private returns (uint256) {
uint256 liquidityFeeToken = amount * buyFee.liquidity / 100;
uint256 marketingFeeTokens = amount * buyFee.marketing / 100;
uint256 RnDFeeTokens = amount * buyFee.RnD /100;
balances[address(this)] += liquidityFeeToken + marketingFeeTokens + RnDFeeTokens;
emit Transfer (from, address(this), marketingFeeTokens + liquidityFeeToken + RnDFeeTokens);
return (amount -liquidityFeeToken -marketingFeeTokens -RnDFeeTokens);
}
function takeSellFees(uint256 amount, address from) private returns (uint256) {
uint256 liquidityFeeToken = amount * buyFee.liquidity / 100;
uint256 marketingFeeTokens = amount * buyFee.marketing / 100;
uint256 RnDFeeTokens = amount * buyFee.RnD /100;
balances[address(this)] += liquidityFeeToken + marketingFeeTokens + RnDFeeTokens;
emit Transfer (from, address(this), marketingFeeTokens + liquidityFeeToken + RnDFeeTokens);
return (amount -liquidityFeeToken -marketingFeeTokens -RnDFeeTokens);
}
function isExcludedFromFee(address account) public view returns(bool) {
return _isExcludedFromFee[account];
}
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 _transfer(
address from,
address to,
uint256 amount
) private {
require(from != address(0), "ERC20: transfer from the zero address");
require(to != address(0), "ERC20: transfer to the zero address");
require(amount > 0, "Transfer amount must be greater than zero");
balances[from] -= amount;
uint256 transferAmount = amount;
bool takeFee;
if(!_isExcludedFromFee[from] && !_isExcludedFromFee[to]){
takeFee = true;
}
if(takeFee){
if(to != uniswapV2Pair && from == uniswapV2Pair){
if(limitsIsActive) {
require(amount <= _maxTxAmount, "Transfer Amount exceeds the maxTxnsAmount");
require(balanceOf(to) + amount <= _maxWalletAmount, "Transfer amount exceeds the maxWalletAmount.");
}
transferAmount = takeBuyFees(amount, to);
}
if(from != uniswapV2Pair && to == uniswapV2Pair){
if(limitsIsActive) {
require(amount <= _maxTxAmount, "Transfer Amount exceeds the maxTxnsAmount");
}
transferAmount = takeSellFees(amount, from);
if (balanceOf(address(this)) >= swapTokenAtAmount && !swapping) {
swapping = true;
if(transferAmount >= swapTokenAtAmount) {
swapBack(swapTokenAtAmount);
} else {
swapBack(transferAmount);
}
swapping = false;
}
}
if(to != uniswapV2Pair && from != uniswapV2Pair){
if(limitsIsActive) {
require(amount <= _maxTxAmount, "Transfer Amount exceeds the maxTxnsAmount");
require(balanceOf(to) + amount <= _maxWalletAmount, "Transfer amount exceeds the maxWalletAmount.");
}
}
}
balances[to] += transferAmount;
emit Transfer(from, to, transferAmount);
}
function swapBack(uint256 amount) private {
uint256 contractBalance = amount;
uint256 liquidityTokens = contractBalance * (buyFee.liquidity + sellFee.liquidity) / (buyFee.marketing + buyFee.liquidity + sellFee.marketing + sellFee.liquidity + buyFee.RnD + sellFee.RnD);
uint256 marketingTokens = contractBalance * (buyFee.marketing + sellFee.marketing) / (buyFee.marketing + buyFee.liquidity + sellFee.marketing + sellFee.liquidity + buyFee.RnD + sellFee.RnD);
uint256 RnDTokens = contractBalance * (buyFee.RnD + sellFee.RnD) / (buyFee.marketing + buyFee.liquidity + sellFee.marketing + sellFee.liquidity + buyFee.RnD + sellFee.RnD);
feeDistribution.tokenToLiquidity += liquidityTokens;
feeDistribution.tokenToMarketing += marketingTokens;
feeDistribution.tokenToRnD += RnDTokens;
uint256 totalTokensToSwap = liquidityTokens + marketingTokens + RnDTokens;
uint256 tokensForLiquidity = liquidityTokens.div(2);
feeDistribution.liquidityToken += tokensForLiquidity;
uint256 amountToSwapForETH = contractBalance.sub(tokensForLiquidity);
uint256 initialETHBalance = address(this).balance;
swapTokensForEth(amountToSwapForETH);
uint256 ethBalance = address(this).balance.sub(initialETHBalance);
uint256 ethForLiquidity = ethBalance.mul(liquidityTokens).div(totalTokensToSwap);
uint256 ethForRnD = ethBalance.mul(RnDTokens).div(totalTokensToSwap);
feeDistribution.liquidityETH += ethForLiquidity;
feeDistribution.RnDETH += ethForRnD;
addLiquidity(tokensForLiquidity, ethForLiquidity);
feeDistribution.marketingETH += address(this).balance;
payable(RnDWallet).transfer(ethForRnD);
payable(marketingWallet).transfer(address(this).balance);
}
function swapTokensForEth(uint256 tokenAmount) private {
address[] memory path = new address[](2);
path[0] = address(this);
path[1] = uniswapV2Router.WETH();
_approve(address(this), address(uniswapV2Router), tokenAmount);
uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(
tokenAmount,
0,
path,
address(this),
block.timestamp
);
}
function addLiquidity(uint256 tokenAmount, uint256 ethAmount) private {
_approve(address(this), address(uniswapV2Router), tokenAmount);
uniswapV2Router.addLiquidityETH {value: ethAmount} (
address(this),
tokenAmount,
0,
0,
liquidityReceiver,
block.timestamp
);
}
function withdrawForeignToken(address tokenContract) public onlyOwner {
IERC20(tokenContract).transfer(address(msg.sender), IERC20(tokenContract).balanceOf(address(this)));
}
}