文件 1 的 1:joyCA.sol
pragma solidity ^0.8.17;
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) {
return a + b;
}
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
return a - b;
}
function mul(uint256 a, uint256 b) internal pure returns (uint256) {
return a * b;
}
function div(uint256 a, uint256 b) internal pure returns (uint256) {
return a / b;
}
function sub(
uint256 a,
uint256 b,
string memory errorMessage
) internal pure returns (uint256) {
unchecked {
require(b <= a, errorMessage);
return a - b;
}
}
function div(
uint256 a,
uint256 b,
string memory errorMessage
) internal pure returns (uint256) {
unchecked {
require(b > 0, errorMessage);
return a / b;
}
}
}
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 Address {
function isContract(address account) internal view returns (bool) {
uint256 size;
assembly {
size := extcodesize(account)
}
return size > 0;
}
function sendValue(address payable recipient, uint256 amount) internal {
require(
address(this).balance >= amount,
"Address: insufficient balance"
);
(bool success, ) = recipient.call{value: amount}("");
require(
success,
"Address: unable to send value, recipient may have reverted"
);
}
function functionCall(address target, bytes memory data)
internal
returns (bytes memory)
{
return functionCall(target, data, "Address: low-level call failed");
}
function functionCall(
address target,
bytes memory data,
string memory errorMessage
) internal returns (bytes memory) {
return functionCallWithValue(target, data, 0, errorMessage);
}
function functionCallWithValue(
address target,
bytes memory data,
uint256 value
) internal returns (bytes memory) {
return
functionCallWithValue(
target,
data,
value,
"Address: low-level call with value failed"
);
}
function functionCallWithValue(
address target,
bytes memory data,
uint256 value,
string memory errorMessage
) internal returns (bytes memory) {
require(
address(this).balance >= value,
"Address: insufficient balance for call"
);
require(isContract(target), "Address: call to non-contract");
(bool success, bytes memory returndata) = target.call{value: value}(
data
);
return _verifyCallResult(success, returndata, errorMessage);
}
function functionStaticCall(address target, bytes memory data)
internal
view
returns (bytes memory)
{
return
functionStaticCall(
target,
data,
"Address: low-level static call failed"
);
}
function functionStaticCall(
address target,
bytes memory data,
string memory errorMessage
) internal view returns (bytes memory) {
require(isContract(target), "Address: static call to non-contract");
(bool success, bytes memory returndata) = target.staticcall(data);
return _verifyCallResult(success, returndata, errorMessage);
}
function functionDelegateCall(address target, bytes memory data)
internal
returns (bytes memory)
{
return
functionDelegateCall(
target,
data,
"Address: low-level delegate call failed"
);
}
function functionDelegateCall(
address target,
bytes memory data,
string memory errorMessage
) internal returns (bytes memory) {
require(isContract(target), "Address: delegate call to non-contract");
(bool success, bytes memory returndata) = target.delegatecall(data);
return _verifyCallResult(success, returndata, errorMessage);
}
function _verifyCallResult(
bool success,
bytes memory returndata,
string memory errorMessage
) private pure returns (bytes memory) {
if (success) {
return returndata;
} else {
if (returndata.length > 0) {
assembly {
let returndata_size := mload(returndata)
revert(add(32, returndata), returndata_size)
}
} else {
revert(errorMessage);
}
}
}
}
abstract contract Ownable is Context {
address private _owner;
event OwnershipTransferred(
address indexed previousOwner,
address indexed newOwner
);
constructor() {
_owner = msg.sender;
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);
}
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,
uint256
);
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(uint256) external view returns (address pair);
function allPairsLength() external view returns (uint256);
function createPair(address tokenA, address tokenB)
external
returns (address pair);
function setFeeTo(address) external;
function setFeeToSetter(address) external;
}
interface IUniswapV2Pair {
event Approval(
address indexed owner,
address indexed spender,
uint256 value
);
event Transfer(address indexed from, address indexed to, uint256 value);
function name() external pure returns (string memory);
function symbol() external pure returns (string memory);
function decimals() external pure returns (uint8);
function totalSupply() external view returns (uint256);
function balanceOf(address owner) external view returns (uint256);
function allowance(address owner, address spender)
external
view
returns (uint256);
function approve(address spender, uint256 value) external returns (bool);
function transfer(address to, uint256 value) external returns (bool);
function transferFrom(
address from,
address to,
uint256 value
) external returns (bool);
function DOMAIN_SEPARATOR() external view returns (bytes32);
function PERMIT_TYPEHASH() external pure returns (bytes32);
function nonces(address owner) external view returns (uint256);
function permit(
address owner,
address spender,
uint256 value,
uint256 deadline,
uint8 v,
bytes32 r,
bytes32 s
) external;
event Burn(
address indexed sender,
uint256 amount0,
uint256 amount1,
address indexed to
);
event Swap(
address indexed sender,
uint256 amount0In,
uint256 amount1In,
uint256 amount0Out,
uint256 amount1Out,
address indexed to
);
event Sync(uint112 reserve0, uint112 reserve1);
function MINIMUM_LIQUIDITY() external pure returns (uint256);
function factory() external view returns (address);
function token0() external view returns (address);
function token1() external view returns (address);
function getReserves()
external
view
returns (
uint112 reserve0,
uint112 reserve1,
uint32 blockTimestampLast
);
function price0CumulativeLast() external view returns (uint256);
function price1CumulativeLast() external view returns (uint256);
function kLast() external view returns (uint256);
function burn(address to)
external
returns (uint256 amount0, uint256 amount1);
function swap(
uint256 amount0Out,
uint256 amount1Out,
address to,
bytes calldata data
) external;
function skim(address to) external;
function sync() external;
function initialize(address, address) external;
}
interface IUniswapV2Router01 {
function factory() external pure returns (address);
function WETH() external pure returns (address);
function addLiquidity(
address tokenA,
address tokenB,
uint256 amountADesired,
uint256 amountBDesired,
uint256 amountAMin,
uint256 amountBMin,
address to,
uint256 deadline
)
external
returns (
uint256 amountA,
uint256 amountB,
uint256 liquidity
);
function addLiquidityETH(
address token,
uint256 amountTokenDesired,
uint256 amountTokenMin,
uint256 amountETHMin,
address to,
uint256 deadline
)
external
payable
returns (
uint256 amountToken,
uint256 amountETH,
uint256 liquidity
);
function removeLiquidity(
address tokenA,
address tokenB,
uint256 liquidity,
uint256 amountAMin,
uint256 amountBMin,
address to,
uint256 deadline
) external returns (uint256 amountA, uint256 amountB);
function removeLiquidityETH(
address token,
uint256 liquidity,
uint256 amountTokenMin,
uint256 amountETHMin,
address to,
uint256 deadline
) external returns (uint256 amountToken, uint256 amountETH);
function removeLiquidityWithPermit(
address tokenA,
address tokenB,
uint256 liquidity,
uint256 amountAMin,
uint256 amountBMin,
address to,
uint256 deadline,
bool approveMax,
uint8 v,
bytes32 r,
bytes32 s
) external returns (uint256 amountA, uint256 amountB);
function removeLiquidityETHWithPermit(
address token,
uint256 liquidity,
uint256 amountTokenMin,
uint256 amountETHMin,
address to,
uint256 deadline,
bool approveMax,
uint8 v,
bytes32 r,
bytes32 s
) external returns (uint256 amountToken, uint256 amountETH);
function swapExactTokensForTokens(
uint256 amountIn,
uint256 amountOutMin,
address[] calldata path,
address to,
uint256 deadline
) external returns (uint256[] memory amounts);
function swapTokensForExactTokens(
uint256 amountOut,
uint256 amountInMax,
address[] calldata path,
address to,
uint256 deadline
) external returns (uint256[] memory amounts);
function swapExactETHForTokens(
uint256 amountOutMin,
address[] calldata path,
address to,
uint256 deadline
) external payable returns (uint256[] memory amounts);
function swapTokensForExactETH(
uint256 amountOut,
uint256 amountInMax,
address[] calldata path,
address to,
uint256 deadline
) external returns (uint256[] memory amounts);
function swapExactTokensForETH(
uint256 amountIn,
uint256 amountOutMin,
address[] calldata path,
address to,
uint256 deadline
) external returns (uint256[] memory amounts);
function swapETHForExactTokens(
uint256 amountOut,
address[] calldata path,
address to,
uint256 deadline
) external payable returns (uint256[] memory amounts);
function quote(
uint256 amountA,
uint256 reserveA,
uint256 reserveB
) external pure returns (uint256 amountB);
function getAmountOut(
uint256 amountIn,
uint256 reserveIn,
uint256 reserveOut
) external pure returns (uint256 amountOut);
function getAmountIn(
uint256 amountOut,
uint256 reserveIn,
uint256 reserveOut
) external pure returns (uint256 amountIn);
function getAmountsOut(uint256 amountIn, address[] calldata path)
external
view
returns (uint256[] memory amounts);
function getAmountsIn(uint256 amountOut, address[] calldata path)
external
view
returns (uint256[] memory amounts);
}
interface IUniswapV2Router02 is IUniswapV2Router01 {
function removeLiquidityETHSupportingFeeOnTransferTokens(
address token,
uint256 liquidity,
uint256 amountTokenMin,
uint256 amountETHMin,
address to,
uint256 deadline
) external returns (uint256 amountETH);
function removeLiquidityETHWithPermitSupportingFeeOnTransferTokens(
address token,
uint256 liquidity,
uint256 amountTokenMin,
uint256 amountETHMin,
address to,
uint256 deadline,
bool approveMax,
uint8 v,
bytes32 r,
bytes32 s
) external returns (uint256 amountETH);
function swapExactTokensForTokensSupportingFeeOnTransferTokens(
uint256 amountIn,
uint256 amountOutMin,
address[] calldata path,
address to,
uint256 deadline
) external;
function swapExactETHForTokensSupportingFeeOnTransferTokens(
uint256 amountOutMin,
address[] calldata path,
address to,
uint256 deadline
) external payable;
function swapExactTokensForETHSupportingFeeOnTransferTokens(
uint256 amountIn,
uint256 amountOutMin,
address[] calldata path,
address to,
uint256 deadline
) external;
}
contract Joy is Context, IERC20, Ownable {
using SafeMath for uint256;
using Address for address;
string private _name = "Joy \xE5\x96\x9C\xE6\x82\xA6";
string private _symbol = "JOY";
uint8 private _decimals = 9;
uint256 private _tTotal = 88888888 * 10**9;
address payable private devWallet = payable(0x128e6CC4Cd302437F3dbE9CA14949A2489d1B93a);
uint256 deflationTime = 1500;
uint256 public _maxWalletToken = _tTotal.mul(4).div(100);
uint256 public _maxTxAmount = _tTotal.mul(4).div(100);
bool public noBlackList;
mapping(address => uint256) private _tOwned;
mapping(address => mapping(address => uint256)) private _allowances;
mapping(address => bool) public _isExcludedFromFee;
mapping(address => bool) public _isBlacklisted;
address payable private Wallet_Burn = payable(0x000000000000000000000000000000000000dEaD);
address payable private Wallet_zero = payable(0x0000000000000000000000000000000000000000);
uint256 taxEndTime;
uint256 maxTax = 25;
uint8 private txCount = 0;
uint8 private swapTrigger = 0;
uint256 private _TotalFee = 25;
uint256 public _buyFee = 25;
uint256 public _sellFee = 25;
uint256 private _previousMaxWalletToken = _maxWalletToken;
uint256 private _previousMaxTxAmount = _maxTxAmount;
IUniswapV2Router02 public uniswapV2Router;
address public uniswapV2Pair;
bool public inSwapAndLiquify;
bool public swapAndLiquifyEnabled = true;
event SwapAndLiquifyEnabledUpdated(bool enabled);
event SwapAndLiquify(uint256 tokensSwapped, uint256 ethReceived, uint256 tokensIntoLiqudity);
modifier lockTheSwap() {
inSwapAndLiquify = true;
_;
inSwapAndLiquify = false;
}
constructor() {
_tOwned[owner()] = _tTotal;
IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02( 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory())
.createPair(address(this), _uniswapV2Router.WETH());
uniswapV2Router = _uniswapV2Router;
_isExcludedFromFee[owner()] = true;
_isExcludedFromFee[address(this)] = true;
_isExcludedFromFee[devWallet] = true;
taxEndTime = block.timestamp + deflationTime;
emit Transfer(address(0), owner(), _tTotal);
}
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 _tTotal;
}
function balanceOf(address account) public view override returns (uint256) {
return _tOwned[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 increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool){
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue));
return true;
}
function decreaseAllowance(address spender, uint256 subtractedValue)public virtual returns (bool){
_approve( _msgSender(), spender, _allowances[_msgSender()][spender].sub( subtractedValue, "ERC20: decreased allowance below zero"));
return true;
}
function Wallet_Update_Dev(address payable wallet) public onlyOwner {
devWallet = wallet;
_isExcludedFromFee[devWallet] = true;
}
receive() external payable {}
bool public noFeeToTransfer = true;
function set_Max_Transaction_Percent(uint256 maxTxPercent_x100) external onlyOwner{
_maxTxAmount = (_tTotal * maxTxPercent_x100) / 10000;
}
function set_Max_Wallet_Percent(uint256 maxWallPercent_x100) external onlyOwner{
_maxWalletToken = (_tTotal * maxWallPercent_x100) / 10000;
}
function _approve(address owner, address spender, uint256 amount ) private {
require( owner != address(0) && spender != address(0), "ERR: zero address");
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
function _transfer( address from, address to, uint256 amount ) private {
if ( to != owner() && to != devWallet && to != address(this) && to != uniswapV2Pair && to != Wallet_Burn && from != owner()) {
uint256 heldTokens = balanceOf(to);
require((heldTokens + amount) <= _maxWalletToken, "You are trying to buy too many tokens. You have reached the limit for one wallet.");
}
if (from != owner() && to != owner()){
require(amount <= _maxTxAmount, "You are trying to buy more than the max transaction limit.");
}
require(from != address(0) && to != address(0), "ERR: Using 0 address!");
require(amount > 0, "Token value must be higher than zero.");
if (txCount >= swapTrigger && !inSwapAndLiquify && from != uniswapV2Pair && swapAndLiquifyEnabled) {
txCount = 0;
uint256 contractTokenBalance = balanceOf(address(this));
if (contractTokenBalance > _maxTxAmount) {
contractTokenBalance = _maxTxAmount;
}
if (contractTokenBalance > 0) {
swapAndLiquify(contractTokenBalance);
}
}
bool takeFee = true;
if ( _isExcludedFromFee[from] || _isExcludedFromFee[to] || (noFeeToTransfer && from != uniswapV2Pair && to != uniswapV2Pair)) {
takeFee = false;
} else if (from == uniswapV2Pair) {
_TotalFee = _buyFee;
} else if (to == uniswapV2Pair) {
_TotalFee = _sellFee;
}
_tokenTransfer(from, to, amount, takeFee);
}
function sendToWallet(address payable wallet, uint256 amount) private {
wallet.transfer(amount);
}
function swapAndLiquify(uint256 contractTokenBalance) private lockTheSwap {
swapTokensForETH(contractTokenBalance);
uint256 contractETH = address(this).balance;
sendToWallet(devWallet, contractETH);
}
function process_Tokens_Now(uint256 percent_Of_Tokens_To_Process) public onlyOwner{
require(!inSwapAndLiquify, "Currently processing, try later.");
if (percent_Of_Tokens_To_Process > 100) {
percent_Of_Tokens_To_Process == 100;
}
uint256 tokensOnContract = balanceOf(address(this));
uint256 sendTokens = (tokensOnContract * percent_Of_Tokens_To_Process) /
100;
swapAndLiquify(sendTokens);
}
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 set_New_Router_and_Make_Pair(address newRouter) public onlyOwner {
IUniswapV2Router02 _newPCSRouter = IUniswapV2Router02(newRouter);
uniswapV2Pair = IUniswapV2Factory(_newPCSRouter.factory()).createPair(
address(this),
_newPCSRouter.WETH()
);
uniswapV2Router = _newPCSRouter;
}
function set_New_Router_Address(address newRouter) public onlyOwner {
IUniswapV2Router02 _newPCSRouter = IUniswapV2Router02(newRouter);
uniswapV2Router = _newPCSRouter;
}
function set_New_Pair_Address(address newPair) public onlyOwner {
uniswapV2Pair = newPair;
}
function _tokenTransfer( address sender, address recipient, uint256 amount, bool takeFee) private {
if (!takeFee) {
_tOwned[sender] = _tOwned[sender].sub(amount);
_tOwned[recipient] = _tOwned[recipient].add(amount);
emit Transfer(sender, recipient, amount);
} else {
txCount++;
_transferTokens(sender, recipient, amount);
}
}
function _transferTokens(address sender, address recipient, uint256 tAmount) private {
(uint256 tTransferAmount, uint256 tDev) = _getValues(tAmount);
_tOwned[sender] = _tOwned[sender].sub(tAmount);
_tOwned[recipient] = _tOwned[recipient].add(tTransferAmount);
_tOwned[address(this)] = _tOwned[address(this)].add(tDev);
emit Transfer(sender, recipient, tTransferAmount);
}
function calcFee(uint256 Amount) internal view returns (uint256) {
uint256 _tax;
uint256 feeAdjustment;
uint256 intTax;
if (block.timestamp < taxEndTime) {
feeAdjustment = taxEndTime - block.timestamp;
intTax = feeAdjustment.div(300);
intTax++;
intTax = intTax.mul(5);
} else {
intTax = 1;
}
_tax = Amount.mul(intTax).div(100);
return _tax;
}
function _getValues(uint256 tAmount) public view returns (uint256, uint256) {
uint256 devTax = calcFee(tAmount);
uint256 tTransferAmount = tAmount.sub(devTax);
return (tTransferAmount, devTax);
}
}