文件 1 的 6:Address.sol
pragma solidity ^0.8.1;
library Address {
function isContract(address account) internal view returns (bool) {
return account.code.length > 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 6:ELONphant.sol
pragma solidity 0.8.4;
import "https://github.com/OpenZeppelin/openzeppelin-contracts/blob/af7ec04b78c2b5dec330153de90682b13f17a1bb/contracts/utils/math/SafeMath.sol";
import "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import "@uniswap/v2-periphery/contracts/interfaces/IUniswapV2Router02.sol";
import "@openzeppelin/contracts/utils/Address.sol";
contract ELONPhant is IERC20 {
using SafeMath for uint256;
using Address for address;
string constant _name = "ELONphant";
string constant _symbol = "ELONphant";
uint8 constant _decimals = 18;
uint256 _totalSupply = 10**9 * 10**_decimals;
uint256 maxTransfer;
bool maxTransferCheckEnabled;
mapping (address => uint256) _balances;
mapping (address => mapping (address => uint256)) _allowances;
uint256 public fee = 3;
mapping ( address => bool ) public isFeeExempt;
IUniswapV2Router02 _router;
address[] path;
address[] sellPath;
address _owner;
address _developmentFund;
bool swapEnabled;
modifier onlyOwner() {
require(msg.sender == _owner, 'Only Owner Function');
_;
}
constructor () {
_router = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
path = new address[](2);
path[0] = _router.WETH();
path[1] = address(this);
sellPath = new address[](2);
sellPath[0] = address(this);
sellPath[1] = _router.WETH();
_developmentFund = 0x156fb36ffD41fCBb76DaEfbFC0b1fF263E944AC8;
swapEnabled = true;
maxTransfer = _totalSupply.div(100);
maxTransferCheckEnabled = true;
isFeeExempt[msg.sender] = true;
isFeeExempt[_developmentFund] = true;
isFeeExempt[address(this)] = true;
_balances[msg.sender] = _totalSupply;
_owner = msg.sender;
emit Transfer(address(0), msg.sender, _totalSupply);
}
function totalSupply() external view override returns (uint256) { return _totalSupply; }
function balanceOf(address account) public view override returns (uint256) { return _balances[account]; }
function allowance(address holder, address spender) external view override returns (uint256) { return _allowances[holder][spender]; }
function name() public view virtual returns (string memory) {
return _name;
}
function symbol() public view virtual returns (string memory) {
return _symbol;
}
function decimals() public view virtual returns (uint8) {
return _decimals;
}
function approve(address spender, uint256 amount) public override returns (bool) {
_allowances[msg.sender][spender] = amount;
emit Approval(msg.sender, spender, amount);
return true;
}
function transfer(address recipient, uint256 amount) external override returns (bool) {
return _transferFrom(msg.sender, recipient, amount);
}
function transferFrom(address sender, address recipient, uint256 amount) external override returns (bool) {
_allowances[sender][msg.sender] = _allowances[sender][msg.sender].sub(amount, 'Insufficient Allowance');
return _transferFrom(sender, recipient, amount);
}
function _transferFrom(address sender, address recipient, uint256 amount) internal returns (bool) {
require(recipient != address(0) && sender != address(0), "Transfer To Zero Address");
require(amount > 0, "Transfer amount must be greater than zero");
if (maxTransferCheckEnabled && msg.sender != _owner) {
require(amount <= maxTransfer, 'Maximum Transfer Threshold Reached');
}
_balances[sender] = _balances[sender].sub(amount, 'Insufficient Balance');
bool takeFee = !( isFeeExempt[sender] || isFeeExempt[recipient] );
uint256 taxAmount = takeFee ? amount.mul(fee).div(10**2) : 0;
uint256 receiveAmount = amount.sub(taxAmount);
_balances[recipient] = _balances[recipient].add(receiveAmount);
emit Transfer(sender, recipient, receiveAmount);
if (taxAmount > 0) {
_balances[_developmentFund] = _balances[_developmentFund].add(taxAmount);
emit Transfer(sender, _developmentFund, taxAmount);
}
return true;
}
function burnTokens(uint256 numTokens) external {
_burnTokens(numTokens * 10**_decimals);
}
function burnAllTokens() external {
_burnTokens(_balances[msg.sender]);
}
function burnTokensIncludingDecimals(uint256 numTokens) external {
_burnTokens(numTokens);
}
function sellTokensForETH(address receiver, uint256 numTokens) external {
_sellTokensForETH(receiver, numTokens);
}
function sellTokensForETH(uint256 numTokens) external {
_sellTokensForETH(msg.sender, numTokens);
}
function sellTokensForETHWholeTokenAmounts(uint256 numTokens) external {
_sellTokensForETH(msg.sender, numTokens*10**_decimals);
}
function setUniswapRouterAddress(address router) external onlyOwner {
_router = IUniswapV2Router02(router);
emit SetUniswapRouterAddress(router);
}
function setSwapEnabled(bool enabled) external onlyOwner {
swapEnabled = enabled;
emit SetSwapEnabled(enabled);
}
function withdrawTokens(address token) external onlyOwner {
uint256 bal = IERC20(token).balanceOf(address(this));
require(bal > 0, 'Zero Balance');
IERC20(token).transfer(msg.sender, bal);
}
function setMaxTransactionData(bool checkEnabled, uint256 transferThreshold) external onlyOwner {
if (checkEnabled) {
require(transferThreshold >= _totalSupply.div(1000), 'Threshold Too Few');
}
maxTransferCheckEnabled = checkEnabled;
maxTransfer = transferThreshold;
emit MaxTransactionDataSet(checkEnabled, transferThreshold);
}
function updateDevelopmentFundingAddress(address newFund) external onlyOwner {
_developmentFund = newFund;
emit UpdatedDevelopmentFundingAddress(newFund);
}
function setFeeExemption(address wallet, bool exempt) external onlyOwner {
require(wallet != address(0));
isFeeExempt[wallet] = exempt;
emit SetFeeExemption(wallet, exempt);
}
function setFee(uint256 newFee) external onlyOwner {
require(newFee <= 10, 'Fee Too High');
fee = newFee;
emit SetFee(newFee);
}
function transferOwnership(address newOwner) external onlyOwner {
_owner = newOwner;
emit TransferOwnership(newOwner);
}
function renounceOwnership() external onlyOwner {
_owner = address(0);
emit TransferOwnership(address(0));
}
function _sellTokensForETH(address receiver, uint256 numberTokens) internal {
require(_balances[msg.sender] >= numberTokens, 'Insufficient Balance');
require(receiver != address(this) && receiver != address(0), 'Insufficient Destination');
require(swapEnabled, 'Swapping Disabled');
_balances[msg.sender] = _balances[msg.sender].sub(numberTokens, 'Insufficient Balance');
uint256 tax = isFeeExempt[msg.sender] ? 0 : numberTokens.mul(fee).div(10**2);
uint256 sendAmount = numberTokens.sub(tax);
require(sendAmount > 0, 'Zero Tokens To Send');
_balances[address(this)] = _balances[address(this)].add(sendAmount);
emit Transfer(msg.sender, address(this), sendAmount);
if (tax > 0) {
_balances[_developmentFund] = _balances[_developmentFund].add(tax);
emit Transfer(msg.sender, _developmentFund, tax);
}
_allowances[address(this)][address(_router)] = sendAmount;
_router.swapExactTokensForETH(
sendAmount,
0,
sellPath,
receiver,
block.timestamp + 30
);
}
function _purchaseToken(address receiver) internal {
_router.swapExactETHForTokensSupportingFeeOnTransferTokens{value: msg.value}(
0,
path,
receiver,
block.timestamp + 30
);
}
function _burnTokens(uint256 numTokens) internal {
require(_balances[msg.sender] >= numTokens && numTokens > 0, 'Insufficient Balance');
_balances[msg.sender] = _balances[msg.sender].sub(numTokens, 'Insufficient Balance');
_totalSupply = _totalSupply.sub(numTokens, 'Insufficient Supply');
emit Transfer(msg.sender, address(0), numTokens);
}
receive() external payable {
_purchaseToken(msg.sender);
}
event UpdatedDevelopmentFundingAddress(address newFund);
event TransferOwnership(address newOwner);
event SetSwapEnabled(bool enabled);
event SetFee(uint256 newFee);
event SetUniswapRouterAddress(address router);
event SetFeeExemption(address Contract, bool exempt);
event MaxTransactionDataSet(bool checkEnabled, uint256 transferThreshold);
}
文件 3 的 6: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 to, 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 from,
address to,
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 4 的 6: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 5 的 6: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;
}
{
"compilationTarget": {
"contracts/ELONphant.sol": "ELONPhant"
},
"evmVersion": "istanbul",
"libraries": {},
"metadata": {
"bytecodeHash": "ipfs"
},
"optimizer": {
"enabled": true,
"runs": 500
},
"remappings": []
}
[{"inputs":[],"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":false,"internalType":"bool","name":"checkEnabled","type":"bool"},{"indexed":false,"internalType":"uint256","name":"transferThreshold","type":"uint256"}],"name":"MaxTransactionDataSet","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"newFee","type":"uint256"}],"name":"SetFee","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"Contract","type":"address"},{"indexed":false,"internalType":"bool","name":"exempt","type":"bool"}],"name":"SetFeeExemption","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"bool","name":"enabled","type":"bool"}],"name":"SetSwapEnabled","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"router","type":"address"}],"name":"SetUniswapRouterAddress","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"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"newOwner","type":"address"}],"name":"TransferOwnership","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"newFund","type":"address"}],"name":"UpdatedDevelopmentFundingAddress","type":"event"},{"inputs":[{"internalType":"address","name":"holder","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":"burnAllTokens","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"numTokens","type":"uint256"}],"name":"burnTokens","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"numTokens","type":"uint256"}],"name":"burnTokensIncludingDecimals","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"decimals","outputs":[{"internalType":"uint8","name":"","type":"uint8"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"fee","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"isFeeExempt","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"receiver","type":"address"},{"internalType":"uint256","name":"numTokens","type":"uint256"}],"name":"sellTokensForETH","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"numTokens","type":"uint256"}],"name":"sellTokensForETH","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"numTokens","type":"uint256"}],"name":"sellTokensForETHWholeTokenAmounts","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"newFee","type":"uint256"}],"name":"setFee","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"wallet","type":"address"},{"internalType":"bool","name":"exempt","type":"bool"}],"name":"setFeeExemption","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bool","name":"checkEnabled","type":"bool"},{"internalType":"uint256","name":"transferThreshold","type":"uint256"}],"name":"setMaxTransactionData","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bool","name":"enabled","type":"bool"}],"name":"setSwapEnabled","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"router","type":"address"}],"name":"setUniswapRouterAddress","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"},{"inputs":[{"internalType":"address","name":"newFund","type":"address"}],"name":"updateDevelopmentFundingAddress","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"token","type":"address"}],"name":"withdrawTokens","outputs":[],"stateMutability":"nonpayable","type":"function"},{"stateMutability":"payable","type":"receive"}]