zellic-audit
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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.
/**
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*/
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.10;
interface IERC20 {
function totalSupply() external view returns (uint256);
function decimals() external view returns (uint8);
function symbol() external view returns (string memory);
function name() external view returns (string memory);
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
);
}
interface IDexRouter {
function factory() external pure returns (address);
function WETH() external pure returns (address);
function addLiquidityETH(
address token,
uint256 amountTokenDesired,
uint256 amountTokenMin,
uint256 amountETHMin,
address to,
uint256 deadline
)
external
payable
returns (
uint256 amountToken,
uint256 amountETH,
uint256 liquidity
);
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;
}
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() {
_transferOwnership(_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 {
_transferOwnership(address(0));
}
function transferOwnership(address newOwner) public virtual onlyOwner {
require(
newOwner != address(0),
"Ownable: new owner is the zero address"
);
_transferOwnership(newOwner);
}
function _transferOwnership(address newOwner) internal virtual {
address oldOwner = _owner;
_owner = newOwner;
emit OwnershipTransferred(oldOwner, newOwner);
}
}
contract YashimituGold is Ownable {
using SafeMath for uint256;
address payable public dev;
address public token;
IDexRouter public router;
uint256 public SPOILS_TO_HIRE_WARRIOR = 1728000;
uint256 public REFERRAL = 30;
uint256 public PERCENTS_DIVIDER = 1000;
uint256 public BUYBACK_TAX = 10;
uint256 public DEV_TAX_BUY = 40;
uint256 public DEV_TAX_SELL = 90;
uint256 public MARKET_SPOILS_DIVISOR = 2;
uint256 public MIN_DEPOSIT_LIMIT = 0.005 ether;
uint256 public MAX_WITHDRAW_LIMIT = 2 ether;
uint256[5] public ROI_MAP = [
20 ether,
40 ether,
60 ether,
80 ether,
100 ether
];
uint256 public COMPOUND_BONUS = 5;
uint256 public COMPOUND_MAX_TIMES = 10;
uint256 public COMPOUND_DURATION = 12 * 60 * 60;
uint256 public PROOF_OF_LIFE = 48 * 60 * 60;
uint256 public WITHDRAWAL_TAX = 700;
uint256 public COMPOUND_FOR_NO_TAX_WITHDRAWAL = 10;
uint256 public totalStaked;
uint256 public totalSuttles;
uint256 public totalDeposits;
uint256 public totalCompound;
uint256 public totalRefBonus;
uint256 public totalWithdrawn;
uint256 public whitelisTime = 1672596000;
uint256 public publicTime = 1672599600;
uint256 public marketSpoils = 144000000000;
uint256 PSN = 10000;
uint256 PSNH = 5000;
bool public whitelistStart;
bool public publicStart;
struct User {
uint256 initialDeposit;
uint256 userDeposit;
uint256 warriors;
uint256 claimedSpoils;
uint256 lastHatch;
address referrer;
uint256 referralsCount;
uint256 referralRewards;
uint256 totalWithdrawn;
uint256 dailyCompoundBonus;
uint256 warriorsCompoundCount;
uint256 lastWithdrawTime;
}
mapping(address => User) public users;
constructor() {
dev = payable(0x5d8BCfEAD5b1d02eeE6129477Df619eAf3939026);
router = IDexRouter(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
token = 0xFa548DC8b1ec4De65e36b155F352e33ef6257260;
}
function isContract(address addr) internal view returns (bool) {
uint256 size;
assembly {
size := extcodesize(addr)
}
return size > 0;
}
function startPublicJourney() public onlyOwner {
require(!publicStart, "Already started");
publicStart = true;
}
function startWhitelistJourney() public onlyOwner {
require(!whitelistStart, "Already started");
whitelistStart = true;
}
function setTimesOfLaunch(uint256 _pub, uint256 _wl) public onlyOwner {
publicTime = _pub;
whitelisTime = _wl;
}
function buyMoreWarriors() public {
if (whitelistStart) {
require(
IERC20(token).balanceOf(msg.sender) > 0,
"Not whitelsited."
);
} else {
require(publicStart, "Contract not yet Started.");
}
User storage user = users[msg.sender];
require(
block.timestamp.sub(user.lastHatch) >= COMPOUND_DURATION,
"Wait for next compound"
);
compound(true);
}
function compound(bool isCompound) internal {
User storage user = users[msg.sender];
uint256 spoilsUsed = getMySpoils(msg.sender);
uint256 spoilsForCompound = spoilsUsed;
if (isCompound) {
uint256 dailyCompoundBonus = getDailyCompoundBonus(
msg.sender,
spoilsForCompound
);
spoilsForCompound = spoilsForCompound.add(dailyCompoundBonus);
uint256 spoilsUsedValue = calculateSpoilsSell(spoilsForCompound);
user.userDeposit = user.userDeposit.add(spoilsUsedValue);
totalCompound = totalCompound.add(spoilsUsedValue);
if (user.dailyCompoundBonus <= COMPOUND_MAX_TIMES) {
user.dailyCompoundBonus = user.dailyCompoundBonus.add(1);
}
}
//add compoundCount for monitoring purposes.
user.warriorsCompoundCount = user.warriorsCompoundCount.add(1);
user.warriors = user.warriors.add(
spoilsForCompound.div(SPOILS_TO_HIRE_WARRIOR)
);
totalSuttles = totalSuttles.add(
spoilsForCompound.div(SPOILS_TO_HIRE_WARRIOR)
);
user.claimedSpoils = 0;
user.lastHatch = block.timestamp;
marketSpoils = marketSpoils.add(spoilsUsed.div(MARKET_SPOILS_DIVISOR));
}
function sellSpoils() public {
if (whitelistStart) {
require(
IERC20(token).balanceOf(msg.sender) > 0,
"Not whitelsited."
);
} else {
require(publicStart, "Contract not yet Started.");
}
User storage user = users[msg.sender];
uint256 hasSpoils = getMySpoils(msg.sender);
uint256 spoilsValue = calculateSpoilsSell(hasSpoils);
/**
if user compound < to mandatory compound days**/
if (user.dailyCompoundBonus < COMPOUND_FOR_NO_TAX_WITHDRAWAL) {
//daily compound bonus count will not reset and spoilsValue will be deducted with x% feedback tax.
spoilsValue = spoilsValue.sub(
spoilsValue.mul(WITHDRAWAL_TAX).div(PERCENTS_DIVIDER)
);
} else {
//set daily compound bonus count to 0 and spoilsValue will remain without deductions
user.dailyCompoundBonus = 0;
user.warriorsCompoundCount = 0;
}
user.lastWithdrawTime = block.timestamp;
user.claimedSpoils = 0;
user.lastHatch = block.timestamp;
marketSpoils = marketSpoils.add(hasSpoils.div(MARKET_SPOILS_DIVISOR));
// Antiwhale limit
if (spoilsValue > MAX_WITHDRAW_LIMIT) {
buy(msg.sender, address(0), spoilsValue.sub(MAX_WITHDRAW_LIMIT));
spoilsValue = MAX_WITHDRAW_LIMIT;
}
if (spoilsValue > getBalance()) {
buy(msg.sender, address(0), spoilsValue.sub(getBalance()));
spoilsValue = getBalance();
}
uint256 spoilsPayout = spoilsValue.sub(takeFees(spoilsValue, false));
payable(msg.sender).transfer(spoilsPayout);
user.totalWithdrawn = user.totalWithdrawn.add(spoilsPayout);
totalWithdrawn = totalWithdrawn.add(spoilsPayout);
}
/** Deposit **/
function buyWarriors(address ref) public payable {
if (whitelistStart) {
require(
IERC20(token).balanceOf(msg.sender) > 0,
"Not whitelsited."
);
} else {
require(publicStart, "Contract not yet Started.");
}
require(msg.value >= MIN_DEPOSIT_LIMIT, "Less than min limit");
buy(msg.sender, ref, msg.value);
}
function buy(
address _user,
address ref,
uint256 amount
) internal {
User storage user = users[_user];
uint256 spoilsBought = calculateSpoilsBuy(
amount,
getBalance().sub(amount)
);
user.userDeposit = user.userDeposit.add(amount);
user.initialDeposit = user.initialDeposit.add(amount);
user.claimedSpoils = user.claimedSpoils.add(spoilsBought);
if (user.referrer == address(0)) {
if (ref != _user) {
user.referrer = ref;
}
address upline1 = user.referrer;
if (upline1 != address(0)) {
users[upline1].referralsCount = users[upline1]
.referralsCount
.add(1);
}
}
if (user.referrer != address(0)) {
address upline = user.referrer;
if (upline != address(0)) {
uint256 refRewards = amount.mul(REFERRAL).div(PERCENTS_DIVIDER);
payable(upline).transfer(refRewards);
users[upline].referralRewards = users[upline]
.referralRewards
.add(refRewards);
totalRefBonus = totalRefBonus.add(refRewards);
}
}
uint256 spoilsPayout = takeFees(amount, true);
totalStaked = totalStaked.add(amount.sub(spoilsPayout));
totalDeposits = totalDeposits.add(1);
compound(false);
if (getBalance() < ROI_MAP[0]) {
SPOILS_TO_HIRE_WARRIOR = 1728000;
} else if (getBalance() >= ROI_MAP[0] && getBalance() < ROI_MAP[1]) {
SPOILS_TO_HIRE_WARRIOR = 1584000;
} else if (getBalance() >= ROI_MAP[1] && getBalance() < ROI_MAP[2]) {
SPOILS_TO_HIRE_WARRIOR = 1440000;
} else if (getBalance() >= ROI_MAP[2] && getBalance() < ROI_MAP[3]) {
SPOILS_TO_HIRE_WARRIOR = 1320000;
} else if (getBalance() >= ROI_MAP[3] && getBalance() < ROI_MAP[4]) {
SPOILS_TO_HIRE_WARRIOR = 1200000;
} else if (getBalance() >= ROI_MAP[4]) {
SPOILS_TO_HIRE_WARRIOR = 1140000;
}
}
function takeFees(uint256 spoilsValue, bool isBuy)
internal
returns (uint256)
{
uint256 devTax;
if (isBuy) {
devTax = spoilsValue.mul(DEV_TAX_BUY).div(PERCENTS_DIVIDER);
} else {
devTax = spoilsValue.mul(DEV_TAX_SELL).div(PERCENTS_DIVIDER);
}
payable(dev).transfer(devTax);
uint256 buybackTax = spoilsValue.mul(BUYBACK_TAX).div(PERCENTS_DIVIDER);
if (buybackTax > 0) {
address[] memory path = new address[](2);
path[0] = router.WETH();
path[1] = token;
router.swapExactETHForTokensSupportingFeeOnTransferTokens{
value: buybackTax
}(0, path, dev, block.timestamp);
}
return devTax.add(buybackTax);
}
function getDailyCompoundBonus(address _adr, uint256 amount)
public
view
returns (uint256)
{
if (users[_adr].dailyCompoundBonus == 0) {
return 0;
} else {
uint256 totalBonus = users[_adr].dailyCompoundBonus.mul(
COMPOUND_BONUS
);
uint256 result = amount.mul(totalBonus).div(PERCENTS_DIVIDER);
return result;
}
}
function getUserInfo(address _adr)
public
view
returns (
uint256 _initialDeposit,
uint256 _userDeposit,
uint256 _warriors,
uint256 _claimedSpoils,
uint256 _lastHatch,
address _referrer,
uint256 _referrals,
uint256 _totalWithdrawn,
uint256 _referralRewards,
uint256 _dailyCompoundBonus,
uint256 _warriorsCompoundCount,
uint256 _lastWithdrawTime
)
{
_initialDeposit = users[_adr].initialDeposit;
_userDeposit = users[_adr].userDeposit;
_warriors = users[_adr].warriors;
_claimedSpoils = users[_adr].claimedSpoils;
_lastHatch = users[_adr].lastHatch;
_referrer = users[_adr].referrer;
_referrals = users[_adr].referralsCount;
_totalWithdrawn = users[_adr].totalWithdrawn;
_referralRewards = users[_adr].referralRewards;
_dailyCompoundBonus = users[_adr].dailyCompoundBonus;
_warriorsCompoundCount = users[_adr].warriorsCompoundCount;
_lastWithdrawTime = users[_adr].lastWithdrawTime;
}
function getBalance() public view returns (uint256) {
return (address(this)).balance;
}
function getAvailableEarnings(address _adr) public view returns (uint256) {
uint256 userSpoils = users[_adr].claimedSpoils.add(
getSpoilsSinceLastHatch(_adr)
);
return calculateSpoilsSell(userSpoils);
}
function calculateTrade(
uint256 rt,
uint256 rs,
uint256 bs
) public view returns (uint256) {
return
SafeMath.div(
SafeMath.mul(PSN, bs),
SafeMath.add(
PSNH,
SafeMath.div(
SafeMath.add(
SafeMath.mul(PSN, rs),
SafeMath.mul(PSNH, rt)
),
rt
)
)
);
}
function calculateSpoilsSell(uint256 spoils) public view returns (uint256) {
return calculateTrade(spoils, marketSpoils, getBalance());
}
function calculateSpoilsBuy(uint256 amount, uint256 contractBalance)
public
view
returns (uint256)
{
return calculateTrade(amount, contractBalance, marketSpoils);
}
function calculateSpoilsBuySimple(uint256 amount)
public
view
returns (uint256)
{
return calculateSpoilsBuy(amount, getBalance());
}
/** How many warriors and Spoils per day user will recieve based on deposit amount **/
function getSpoilsYield(uint256 amount)
public
view
returns (uint256, uint256)
{
uint256 spoilsAmount = calculateSpoilsBuy(
amount,
getBalance().add(amount).sub(amount)
);
uint256 warriors = spoilsAmount.div(SPOILS_TO_HIRE_WARRIOR);
uint256 day = 1 days;
uint256 spoilsPerDay = day.mul(warriors);
uint256 earningsPerDay = calculateSpoilsSellForYield(
spoilsPerDay,
amount
);
return (warriors, earningsPerDay);
}
function calculateSpoilsSellForYield(uint256 spoils, uint256 amount)
public
view
returns (uint256)
{
return calculateTrade(spoils, marketSpoils, getBalance().add(amount));
}
function getSiteInfo()
public
view
returns (
uint256 _totalStaked,
uint256 _totalSuttles,
uint256 _totalDeposits,
uint256 _totalCompound,
uint256 _totalRefBonus
)
{
return (
totalStaked,
totalSuttles,
totalDeposits,
totalCompound,
totalRefBonus
);
}
function getMywarriors(address userAddress) public view returns (uint256) {
return users[userAddress].warriors;
}
function getMySpoils(address userAddress) public view returns (uint256) {
return
users[userAddress].claimedSpoils.add(
getSpoilsSinceLastHatch(userAddress)
);
}
function getSpoilsSinceLastHatch(address adr)
public
view
returns (uint256)
{
uint256 secondsSinceLastHatch = block.timestamp.sub(
users[adr].lastHatch
);
uint256 cutoffTime = min(secondsSinceLastHatch, PROOF_OF_LIFE);
uint256 secondsPassed = min(SPOILS_TO_HIRE_WARRIOR, cutoffTime);
return secondsPassed.mul(users[adr].warriors);
}
function min(uint256 a, uint256 b) private pure returns (uint256) {
return a < b ? a : b;
}
function SET_WALLETS(address payable _dev) external onlyOwner {
require(!isContract(_dev));
dev = _dev;
}
function SET_TAX(
uint256 _buyback,
uint256 _devBuy,
uint256 _devSell
) external onlyOwner {
BUYBACK_TAX = _buyback;
DEV_TAX_BUY = _devBuy;
DEV_TAX_SELL = _devSell;
require(_buyback + _devBuy < 100, "Less than 10%");
require(_buyback + _devSell < 150, "Less than 15%");
}
function SET_TOKEN(address _token) external onlyOwner {
token = _token;
}
function SET_ROUTER(address _router) external onlyOwner {
router = IDexRouter(_router);
}
function PRC_MARKET_SPOILS_DIVISOR(uint256 value) external onlyOwner {
require(value > 0 && value <= 10);
MARKET_SPOILS_DIVISOR = value;
}
function SET_EARLY_WITHDRAWAL_TAX(uint256 value) external onlyOwner {
require(value <= 700);
WITHDRAWAL_TAX = value;
}
function BONUS_DAILY_COMPOUND(uint256 value) external onlyOwner {
require(value >= 1 && value <= 100);
COMPOUND_BONUS = value;
}
function BONUS_DAILY_COMPOUND_MAX_TIMES(uint256 value) external onlyOwner {
require(value > 5 && value <= 10);
COMPOUND_MAX_TIMES = value;
}
function BONUS_COMPOUND_DURATION(uint256 value) external onlyOwner {
require(value <= 24);
COMPOUND_DURATION = value * 60 * 60;
}
function SET_PROOF_OF_LIFE(uint256 value) external onlyOwner {
require(value >= 24);
PROOF_OF_LIFE = value * 60 * 60;
}
function SET_MAX_WITHDRAW_LIMIT(uint256 value) external onlyOwner {
require(value >= 1 ether);
MAX_WITHDRAW_LIMIT = value;
}
function SET_MIN_DEPOSIT_LIMIT(uint256 value) external onlyOwner {
MIN_DEPOSIT_LIMIT = value;
}
function SET_COMPOUND_FOR_NO_TAX_WITHDRAWAL(uint256 value)
external
onlyOwner
{
require(value <= 12);
COMPOUND_FOR_NO_TAX_WITHDRAWAL = value;
}
function UPDATE_ROI_MAP1(uint256 value) external onlyOwner {
ROI_MAP[0] = value;
}
function UPDATE_ROI_MAP2(uint256 value) external onlyOwner {
ROI_MAP[1] = value;
}
function UPDATE_ROI_MAP3(uint256 value) external onlyOwner {
ROI_MAP[2] = value;
}
function UPDATE_ROI_MAP4(uint256 value) external onlyOwner {
ROI_MAP[3] = value;
}
function UPDATE_ROI_MAP5(uint256 value) external onlyOwner {
ROI_MAP[4] = value;
}
}
library SafeMath {
function mul(uint256 a, uint256 b) internal pure returns (uint256) {
if (a == 0) {
return 0;
}
uint256 c = a * b;
assert(c / a == b);
return c;
}
function div(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a / b;
return c;
}
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
assert(b <= a);
return a - b;
}
function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
assert(c >= a);
return c;
}
function mod(uint256 a, uint256 b) internal pure returns (uint256) {
require(b != 0);
return a % b;
}
}