文件 1 的 12:Address.sol
pragma solidity ^0.8.0;
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
) internal 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);
}
}
}
}
文件 2 的 12:Context.sol
pragma solidity ^0.8.0;
abstract contract Context {
function _msgSender() internal view virtual returns (address) {
return msg.sender;
}
function _msgData() internal view virtual returns (bytes calldata) {
return msg.data;
}
}
文件 3 的 12:ERC20.sol
pragma solidity ^0.8.0;
import "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import "@openzeppelin/contracts/token/ERC20/extensions/IERC20Metadata.sol";
import "@openzeppelin/contracts/utils/Context.sol";
contract ERC20 is Context, IERC20, IERC20Metadata {
mapping(address => uint256) internal _balances;
mapping(address => mapping(address => uint256)) internal _allowances;
uint256 internal _totalSupply;
string private _name;
string private _symbol;
constructor(string memory name_, string memory symbol_) {
_name = name_;
_symbol = symbol_;
}
function name() public view virtual override returns (string memory) {
return _name;
}
function symbol() public view virtual override returns (string memory) {
return _symbol;
}
function decimals() public view virtual override returns (uint8) {
return 18;
}
function totalSupply() public view virtual override returns (uint256) {
return _totalSupply;
}
function balanceOf(address account) public view virtual override returns (uint256) {
return _balances[account];
}
function transfer(address recipient, uint256 amount) public virtual override returns (bool) {
_transfer(_msgSender(), recipient, amount);
return true;
}
function allowance(address owner, address spender) public view virtual override returns (uint256) {
return _allowances[owner][spender];
}
function approve(address spender, uint256 amount) public virtual override returns (bool) {
_approve(_msgSender(), spender, amount);
return true;
}
function transferFrom(
address sender,
address recipient,
uint256 amount
) public virtual override returns (bool) {
_transfer(sender, recipient, amount);
uint256 currentAllowance = _allowances[sender][_msgSender()];
require(currentAllowance >= amount, "ERC20: transfer amount exceeds allowance");
unchecked {
_approve(sender, _msgSender(), currentAllowance - 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) {
uint256 currentAllowance = _allowances[_msgSender()][spender];
require(currentAllowance >= subtractedValue, "ERC20: decreased allowance below zero");
unchecked {
_approve(_msgSender(), spender, currentAllowance - subtractedValue);
}
return true;
}
function _transfer(
address sender,
address recipient,
uint256 amount
) internal virtual {
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
_beforeTokenTransfer(sender, recipient, amount);
uint256 senderBalance = _balances[sender];
require(senderBalance >= amount, "ERC20: transfer amount exceeds balance");
unchecked {
_balances[sender] = senderBalance - amount;
}
_balances[recipient] += amount;
emit Transfer(sender, recipient, amount);
_afterTokenTransfer(sender, recipient, amount);
}
function _mint(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: mint to the zero address");
_beforeTokenTransfer(address(0), account, amount);
_totalSupply += amount;
_balances[account] += amount;
emit Transfer(address(0), account, amount);
_afterTokenTransfer(address(0), account, amount);
}
function _burn(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: burn from the zero address");
_beforeTokenTransfer(account, address(0), amount);
uint256 accountBalance = _balances[account];
require(accountBalance >= amount, "ERC20: burn amount exceeds balance");
unchecked {
_balances[account] = accountBalance - amount;
}
_totalSupply -= amount;
emit Transfer(account, address(0), amount);
_afterTokenTransfer(account, address(0), amount);
}
function _approve(
address owner,
address spender,
uint256 amount
) internal virtual {
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 _beforeTokenTransfer(
address from,
address to,
uint256 amount
) internal virtual {}
function _afterTokenTransfer(
address from,
address to,
uint256 amount
) internal virtual {}
}
文件 4 的 12:IERC20.sol
pragma solidity ^0.8.0;
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);
}
文件 5 的 12:IERC20Metadata.sol
pragma solidity ^0.8.0;
import "../IERC20.sol";
interface IERC20Metadata is IERC20 {
function name() external view returns (string memory);
function symbol() external view returns (string memory);
function decimals() external view returns (uint8);
}
文件 6 的 12:IUniswapV2Factory.sol
pragma solidity >=0.5.0;
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;
}
文件 7 的 12:IUniswapV2Pair.sol
pragma solidity >=0.5.0;
interface IUniswapV2Pair {
event Approval(address indexed owner, address indexed spender, uint value);
event Transfer(address indexed from, address indexed to, uint 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 (uint);
function balanceOf(address owner) external view returns (uint);
function allowance(address owner, address spender) external view returns (uint);
function approve(address spender, uint value) external returns (bool);
function transfer(address to, uint value) external returns (bool);
function transferFrom(address from, address to, uint 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 (uint);
function permit(address owner, address spender, uint value, uint deadline, uint8 v, bytes32 r, bytes32 s) external;
event Mint(address indexed sender, uint amount0, uint amount1);
event Burn(address indexed sender, uint amount0, uint amount1, address indexed to);
event Swap(
address indexed sender,
uint amount0In,
uint amount1In,
uint amount0Out,
uint amount1Out,
address indexed to
);
event Sync(uint112 reserve0, uint112 reserve1);
function MINIMUM_LIQUIDITY() external pure returns (uint);
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 (uint);
function price1CumulativeLast() external view returns (uint);
function kLast() external view returns (uint);
function mint(address to) external returns (uint liquidity);
function burn(address to) external returns (uint amount0, uint amount1);
function swap(uint amount0Out, uint amount1Out, address to, bytes calldata data) external;
function skim(address to) external;
function sync() external;
function initialize(address, address) external;
}
文件 8 的 12:IUniswapV2Router01.sol
pragma solidity >=0.6.2;
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 s
) 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);
}
文件 9 的 12:IUniswapV2Router02.sol
pragma solidity >=0.6.2;
import './IUniswapV2Router01.sol';
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;
}
文件 10 的 12:LPBasic.sol
pragma solidity ^0.8.0;
import "@openzeppelin/contracts/utils/Address.sol";
import "@openzeppelin/contracts/access/Ownable.sol";
import "@uniswap/v2-periphery/contracts/interfaces/IUniswapV2Router02.sol";
import "@uniswap/v2-core/contracts/interfaces/IUniswapV2Pair.sol";
import "@uniswap/v2-core/contracts/interfaces/IUniswapV2Factory.sol";
import './ERC20.sol';
contract LPBasic is Ownable, ERC20 {
using Address for address;
address payable internal _devWallet;
function setDevWallet(address payable devwallet) public onlyOwner { _devWallet = devwallet; }
uint256 internal constant _rateDivisor = 1000000;
uint256 internal _lpRateA = 150000;
uint256 internal _lpRateB = 50000;
uint256 internal _lpRateC = 25000;
uint256 internal _lpTierA = 5 * (10 ** 18);
uint256 internal _lpTierB = 20 * (10 ** 18);
uint256 internal _lpTierC = 100 * (10 ** 18);
uint256 internal _lpPendingBalance;
function pendingBalanceLP() public view returns(uint256) { return _lpPendingBalance; }
uint256 internal _lpPendingThrottle = 250000 * (10 ** 18);
uint256 internal _txMaximum = 500000;
uint256 internal _walletMax = 1000000 * (10 ** 18);
uint256 internal _walletMaxTier = 20 * (10 ** 18);
uint256 internal _devRate = 15000;
uint256 internal _devPendingBalance;
function pendingBalanceDev() public view returns(uint256) { return _devPendingBalance; }
bool _feePendingAlternate;
uint256 internal _feePendingThreshold = 1 * (10 ** 16);
bool internal _lpRateActive = true;
bool internal _lpLimitActive = true;
bool internal _tradingEnabled = false;
function setTradingEnabled() public onlyOwner { _tradingEnabled = true; }
address _uniswapFactoryAddress = 0x5C69bEe701ef814a2B6a3EDD4B1652CB9cc5aA6f;
address _uniswapRouterAddress = 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D;
function setRouterAddress(address routeraddress) public onlyOwner { _uniswapRouterAddress = routeraddress; }
address internal _uniswapPairAddress;
function setPairAddress(address pairaddress) public onlyOwner { _uniswapPairAddress = pairaddress; }
function getPairAddress() public view returns(address) { return _uniswapPairAddress; }
address internal _tokenAddressWETH;
bool _locked;
modifier locked() {
require(!_locked,"LPBasic: Blocked reentrant call.");
_locked = true;
_;
_locked = false;
}
constructor(string memory name, string memory symbol, uint256 supply) ERC20(name, symbol) {
_mint(address(this),supply);
_tokenAddressWETH = IUniswapV2Router02(_uniswapRouterAddress).WETH();
}
function transfer(address recipient, uint256 amount) public virtual override returns (bool) {
_transfer(_msgSender(), recipient, amount);
return true;
}
function transferFrom(address sender, address recipient, uint256 amount) public virtual override returns (bool) {
_transfer(sender, recipient, amount);
uint256 currentAllowance = _allowances[sender][_msgSender()];
require(currentAllowance >= amount, "ERC20: transfer amount exceeds allowance");
unchecked {
_approve(sender, _msgSender(), currentAllowance - amount);
}
return true;
}
function _transfer( address sender, address recipient, uint256 amount ) internal virtual override {
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
require(_balances[sender] >= amount, "ERC20: transfer amount exceeds balance");
(bool isTaxed, bool isSell, uint256 lpToken, uint256 lpEth) = _isTaxed(sender,recipient);
if(isTaxed) require(amount < _transferMaximum(lpToken,lpEth),"LPBasic: amount exceeds maximum allowed");
if(isTaxed) {
require(_tradingEnabled, "LPBasic: trading has not been enabled");
_transferTaxed(sender,recipient,amount,lpToken,lpEth,isSell);
}
else _transferUntaxed(sender,recipient,amount);
}
function _transferMaximum(uint256 lpToken, uint256 lpEth) internal view returns(uint256 transferMax) {
if(!_lpLimitActive) return _totalSupply;
else transferMax = _txMaximum * lpToken / _rateDivisor;
}
function _isTaxed(address sender, address recipient) internal returns(bool isTaxed,bool isSell,uint256 tokenReserves,uint256 ethReserves) {
if(sender==address(this) || recipient==address(this)) return (false,false,0,0);
if((sender == _uniswapPairAddress && recipient == _uniswapRouterAddress)
|| (recipient == _uniswapPairAddress && sender == _uniswapRouterAddress))
return (false,false,0,0);
if(_uniswapPairAddress==address(0)) return (false,false,0,0);
bool isBuy = sender==_uniswapRouterAddress || sender==_uniswapPairAddress;
isSell = recipient==_uniswapRouterAddress || recipient==_uniswapPairAddress;
isTaxed = isBuy || isSell;
if(isTaxed) {
(tokenReserves,ethReserves) = _getReserves();
if(_lpLimitActive && ethReserves > _walletMaxTier) _lpLimitActive = false;
}
}
function _getReserves() internal returns(uint256 tokenReserves,uint256 ethReserves) {
(uint256 reserve0,uint256 reserve1,) = IUniswapV2Pair(_uniswapPairAddress).getReserves();
if(IUniswapV2Pair(_uniswapPairAddress).token0()==address(this)) {
tokenReserves = reserve0;
ethReserves = reserve1;
} else {
ethReserves = reserve0;
tokenReserves = reserve1;
}
}
function _transferUntaxed( address sender, address recipient, uint256 amount ) internal {
_beforeTokenTransfer(sender, recipient, amount);
_balances[sender] -= amount;
_balances[recipient] += amount;
emit Transfer(sender, recipient, amount);
_afterTokenTransfer(sender, recipient, amount);
}
function _lpTaxRate(uint256 ethBalance) internal view returns(uint256 _taxRate) {
if(_lpRateActive) {
if(ethBalance < _lpTierA) { _taxRate = _lpRateA; }
else if(ethBalance < _lpTierB) { _taxRate = _lpRateB; }
else if(ethBalance < _lpTierC) { _taxRate = _lpRateC; }
else { _taxRate = 0; }
}
}
function _transferTaxed( address sender, address recipient, uint256 amount, uint256 lpTokenBalance, uint256 lpEthBalance, bool isSell ) internal {
if(isSell) {
bool pendingDevReady = (_devPendingBalance * lpEthBalance / lpTokenBalance) > _feePendingThreshold;
bool pendingLpReady = (_lpPendingBalance * lpEthBalance / lpTokenBalance) > _feePendingThreshold;
bool pendingReady = pendingDevReady || pendingLpReady;
if(!_locked && isSell && pendingReady) {
if(!pendingLpReady || (_feePendingAlternate && pendingDevReady)) {
_convertTaxDev();
_feePendingAlternate = false;
}
else {
_processTaxLP(lpTokenBalance,lpEthBalance);
_feePendingAlternate = true;
}
}
}
uint256 taxRate = _lpTaxRate(lpEthBalance);
uint256 taxAmount = (taxRate>0 ? amount * taxRate / _rateDivisor : 0);
uint256 devAmount = amount * _devRate / _rateDivisor;
_balances[sender] -= amount;
uint256 recAmount = amount - (taxAmount + devAmount);
if(!isSell && _lpLimitActive && (_balances[recipient] + recAmount) > _walletMax) {
uint256 overMax = (_balances[recipient] > _walletMax ? recAmount : _balances[recipient] + recAmount - _walletMax);
recAmount -= overMax;
taxAmount += overMax;
}
if(recAmount>0) {
_balances[recipient] += recAmount;
emit Transfer(sender, recipient, recAmount);
}
if(taxAmount>0) {
_balances[address(this)] += taxAmount;
_lpPendingBalance += taxAmount;
emit Transfer(sender, address(this), taxAmount);
}
if(devAmount>0) {
_balances[address(this)] += devAmount;
_devPendingBalance += devAmount;
emit Transfer(sender, address(this), devAmount);
}
}
function _convertTaxDev() internal locked {
(uint256 tokenDelta,) = _swapTokensForEth(_devPendingBalance, _devWallet);
_devPendingBalance -= tokenDelta;
}
function _processTaxLP(uint256 poolTokenBalance, uint256 poolEthBalance) internal locked {
uint256 ethBalance = address(this).balance;
uint256 ethBalanceValue = (ethBalance * poolTokenBalance) / poolEthBalance;
uint256 ethDelta;
uint256 tokenDelta;
uint256 lpPendingThreshold = pendingThreshold(poolTokenBalance,poolEthBalance);
uint256 pendingAmount = ( (_lpPendingBalance>lpPendingThreshold) ? lpPendingThreshold : _lpPendingBalance );
if(ethBalanceValue<pendingAmount) {
uint256 ethConvert = ((pendingAmount + ethBalanceValue) / 2) - ethBalanceValue;
(tokenDelta,ethDelta) = _swapTokensForEth(ethConvert,address(this));
}
(uint256 tokenDeposit,) = _addLiquidity(pendingAmount-tokenDelta,ethDelta+ethBalance);
_lpPendingBalance -= (tokenDelta + tokenDeposit);
}
function pendingThreshold(uint256 poolTokenBalance,uint256 poolEthBalance) internal returns(uint256 threshold) {
if( poolTokenBalance < _balances[address(this)] && poolEthBalance < (20 * (10 ** 18)) && poolEthBalance > (5 * (10 ** 18)) )
threshold = ( ( (_lpPendingThrottle * 2) > ( (poolTokenBalance * 5) / 100 )) ? _lpPendingThrottle * 2 : ( (poolTokenBalance * 5) / 100 ) );
else if(poolEthBalance < (5 * (10 ** 18)) ) threshold = _lpPendingThrottle;
else if(poolEthBalance > (20 * (10 ** 18)) ) threshold = poolTokenBalance / 100;
else threshold = ( ( _lpPendingThrottle < ( poolTokenBalance / 100 )) ? _lpPendingThrottle : ( poolTokenBalance / 100 ) );
}
function _swapTokensForEth(uint256 tokenAmount, address destination) internal returns(uint256 tokenDelta, uint256 ethDelta) {
(uint256 tokenReserve, uint256 ethReserve) = _getReserves();
_approve(address(this), _uniswapRouterAddress, tokenAmount);
address[] memory path = new address[](2);
path[0] = address(this);
path[1] = _tokenAddressWETH;
IUniswapV2Router02(_uniswapRouterAddress).swapExactTokensForETHSupportingFeeOnTransferTokens(
tokenAmount,
0,
path,
destination,
block.timestamp + 100
);
(uint256 tokenReserveAfter, uint256 ethReserveAfter) = _getReserves();
tokenDelta = uint256(tokenReserveAfter-tokenReserve);
ethDelta = uint256(ethReserve-ethReserveAfter);
}
function _addLiquidity(uint256 tokenAmount, uint256 ethAmount) internal returns(uint256 tokenDeposit,uint256 ethDeposit) {
_approve(address(this), _uniswapRouterAddress, tokenAmount);
(tokenDeposit, ethDeposit,) = IUniswapV2Router02(_uniswapRouterAddress).addLiquidityETH{value:ethAmount}(
address(this),
tokenAmount,
0,
0,
address(this),
block.timestamp + 100
);
}
function initializeLiquidityPool() public payable onlyOwner {
require(_uniswapPairAddress==address(0),"Pair address already set");
IUniswapV2Factory _factory = IUniswapV2Factory(_uniswapFactoryAddress);
_factory.createPair(address(this),_tokenAddressWETH);
_uniswapPairAddress = _factory.getPair(address(this),_tokenAddressWETH);
_addLiquidity(_balances[address(this)], msg.value);
}
receive() external payable {}
}
文件 11 的 12:Ownable.sol
pragma solidity ^0.8.0;
import "../utils/Context.sol";
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 renounceOwnership() 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);
}
}
文件 12 的 12:PepePenguin.sol
pragma solidity ^0.8.0;
import "./LPBasic.sol";
contract PepePenguin is LPBasic {
constructor(string memory name, string memory symbol, uint256 supply) LPBasic(name, symbol, supply) { }
}
{
"compilationTarget": {
"contracts/PepePenguin.sol": "PepePenguin"
},
"evmVersion": "istanbul",
"libraries": {},
"metadata": {
"bytecodeHash": "ipfs"
},
"optimizer": {
"enabled": true,
"runs": 200
},
"remappings": []
}
[{"inputs":[{"internalType":"string","name":"name","type":"string"},{"internalType":"string","name":"symbol","type":"string"},{"internalType":"uint256","name":"supply","type":"uint256"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"spender","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"Transfer","type":"event"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"spender","type":"address"}],"name":"allowance","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"approve","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"decimals","outputs":[{"internalType":"uint8","name":"","type":"uint8"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"subtractedValue","type":"uint256"}],"name":"decreaseAllowance","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"getPairAddress","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"addedValue","type":"uint256"}],"name":"increaseAllowance","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"initializeLiquidityPool","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"pendingBalanceDev","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"pendingBalanceLP","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address payable","name":"devwallet","type":"address"}],"name":"setDevWallet","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"pairaddress","type":"address"}],"name":"setPairAddress","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"routeraddress","type":"address"}],"name":"setRouterAddress","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"setTradingEnabled","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"recipient","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transfer","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"sender","type":"address"},{"internalType":"address","name":"recipient","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transferFrom","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"stateMutability":"payable","type":"receive"}]