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xmx
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/**
*Submitted for verification at BscScan.com on 2024-04-01
*/
//SPDX-License-Identifier: MIT Licensed
pragma solidity ^0.8.0;
interface IBEP20 {
function decimals() external view returns (uint8);
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
);
}
interface AggregatorV3Interface {
function decimals() external view returns (uint8);
function description() external view returns (string memory);
function version() external view returns (uint256);
function getRoundData(uint80 _roundId)
external
view
returns (
uint80 roundId,
int256 answer,
uint256 startedAt,
uint256 updatedAt,
uint80 answeredInRound
);
function latestRoundData()
external
view
returns (
uint80 roundId,
int256 answer,
uint256 startedAt,
uint256 updatedAt,
uint80 answeredInRound
);
}
contract PreSale {
IBEP20 public XMC;
IBEP20 public USDT;
AggregatorV3Interface public priceFeedBnb;
uint256 public totalBuyer;
using SafeMath for uint256;
address payable public owner;
uint256 public referrerPercentage;
uint256 public airDropRefPercentage;
uint256 public percentageDivider;
uint256 public tokenPerUsd;
uint256 public airDropAmount;
uint256 public minAmount;
uint256 public maxAmount;
uint256 public preSaleTime;
uint256 public soldToken;
uint256 public tokenHardCap;
uint256 public UsdtHardCap;
uint256 public amountRaised;
struct UserInfo {
uint256 claimAbleAmount;
address referrer;
uint256 referrerReward;
bool claimedAirdrop;
bool isExists;
}
mapping(address => UserInfo) users;
modifier onlyOwner() {
require(msg.sender == owner, "BEP20: Not an owner");
_;
}
event BuyToken(address _user, uint256 _amount);
constructor() {
owner = payable(msg.sender);
XMC = IBEP20(0x49F00d9d728c163aBD5E594CC88B5B954fCE52F1);
USDT = IBEP20(0x55d398326f99059fF775485246999027B3197955);
priceFeedBnb = AggregatorV3Interface(
0x0567F2323251f0Aab15c8dFb1967E4e8A7D42aeE
);
referrerPercentage = 2_00;
airDropRefPercentage = 5_00;
percentageDivider = 100_00;
airDropAmount = 100 * 10**XMC.decimals();
tokenPerUsd = 500;
UsdtHardCap = 1040000 * 10**USDT.decimals();
tokenHardCap = 470000000 * 10**XMC.decimals();
minAmount = 40 * 10**XMC.decimals();
maxAmount = 1000000 * 10**XMC.decimals();
preSaleTime = block.timestamp + 30 days;
}
function buyToken(uint256 _amount, address _referrer) public {
UserInfo storage user = users[msg.sender];
setReferrer(msg.sender, _referrer, _amount, true);
if (!user.isExists) {
user.isExists = true;
}
uint256 numberOfTokens = usdtToToken(_amount);
require(
numberOfTokens >= minAmount && numberOfTokens <= maxAmount,
"BEP20: Amount not correct"
);
require(
numberOfTokens + soldToken <= tokenHardCap &&
_amount + amountRaised <= UsdtHardCap,
"Exceeding HardCap"
);
require(block.timestamp < preSaleTime, "BEP20: PreSale over");
if (!user.isExists) {
user.isExists = true;
totalBuyer++;
}
USDT.transferFrom(msg.sender, address(this), _amount);
amountRaised += _amount;
user.claimAbleAmount += numberOfTokens;
soldToken = soldToken.add(numberOfTokens);
emit BuyToken(msg.sender, usdtToToken(_amount));
}
// to buy AI XMC XMC during preSale time => for web3 use
function buyWithBNB(address _referrer) public payable {
UserInfo storage user = users[msg.sender];
setReferrer(msg.sender, _referrer, msg.value, false);
uint256 numberOfTokens = bnbToToken(msg.value);
require(
numberOfTokens >= minAmount && numberOfTokens <= maxAmount,
"BEP20: Amount not correct"
);
require(
numberOfTokens + soldToken <= tokenHardCap &&
bnbToUsdt(msg.value) + amountRaised <= UsdtHardCap,
"Exceeding HardCap"
);
require(block.timestamp < preSaleTime, "BEP20: PreSale over");
if (!user.isExists) {
user.isExists = true;
totalBuyer++;
}
amountRaised += bnbToUsdt(msg.value);
user.claimAbleAmount += numberOfTokens;
soldToken = soldToken.add(numberOfTokens);
emit BuyToken(msg.sender, bnbToToken(msg.value));
}
// to check number of XMC for given BNB
function bnbToToken(uint256 _amount) public view returns (uint256) {
uint256 precision = 1e4;
uint256 bnbToUsd = precision.mul(_amount).mul(getLatestPriceBnb()).div(
1e18
);
uint256 numberOfTokens = bnbToUsd.mul(tokenPerUsd);
return numberOfTokens.mul(10**XMC.decimals()).div(precision);
}
receive() external payable {}
// to get real time price of BNB
function getLatestPriceBnb() public view returns (uint256) {
(, int256 price, , , ) = priceFeedBnb.latestRoundData();
return uint256(price).div(1e8);
}
function bnbToUsdt(uint256 _value) public view returns (uint256 bnbToUsd) {
return bnbToUsd = (_value).mul(getLatestPriceBnb());
}
function claim() public {
UserInfo storage user = users[msg.sender];
require(user.isExists, "Didn't bought");
require(block.timestamp >= preSaleTime, "Wait for the PreSale endtime");
require(
user.referrerReward > 0 || user.claimAbleAmount > 0,
"Amount Already claimed"
);
if (user.referrerReward > 0) {
XMC.transferFrom(owner, msg.sender, user.referrerReward);
}
if (user.referrerReward > 0) {
XMC.transferFrom(owner, msg.sender, user.claimAbleAmount);
}
user.claimAbleAmount = 0;
user.referrerReward = 0;
}
function setReferrer(
address _user,
address _referrer,
uint256 _amount,
bool _val
) internal {
UserInfo storage user = users[_user];
if (user.referrer == address(0)) {
if (
_referrer != _user &&
users[_referrer].isExists &&
msg.sender != users[_referrer].referrer
) {
user.referrer = _referrer;
} else {
user.referrer = address(0);
}
}
if (user.referrer != address(0)) {
if (_val) {
users[user.referrer].referrerReward += usdtToToken(
(_amount * referrerPercentage) / percentageDivider
);
} else {
users[user.referrer].referrerReward +=
(bnbToToken(_amount) * referrerPercentage) /
percentageDivider;
}
}
}
function usdtToToken(uint256 _amount) public view returns (uint256) {
uint256 numberOfTokens = _amount.mul(tokenPerUsd).div(
10**USDT.decimals()
);
return numberOfTokens.mul(10**XMC.decimals());
}
function airDrop() external {
UserInfo storage user = users[msg.sender];
require(user.isExists, "No Existence Found!");
require(!user.claimedAirdrop, "Already claimed");
IBEP20(XMC).transferFrom(owner, msg.sender, airDropAmount);
if (user.referrer != address(0)) {
IBEP20(XMC).transferFrom(
owner,
user.referrer,
(airDropAmount * airDropRefPercentage) / percentageDivider
);
}
user.claimedAirdrop = true;
}
// to change Price of the XMC
function changePrice(uint256 _tokenPerUsd) external onlyOwner {
tokenPerUsd = _tokenPerUsd;
}
function changeAirDropAmount(uint256 _amount) external onlyOwner {
airDropAmount = _amount * 10**XMC.decimals();
}
function setPreSaleAmount(uint256 _minAmount, uint256 _maxAmount)
external
onlyOwner
{
minAmount = _minAmount;
maxAmount = _maxAmount;
}
function setpreSaleTime(uint256 _time) external onlyOwner {
preSaleTime = _time;
}
// transfer ownership
function changeOwner(address payable _newOwner) external onlyOwner {
owner = _newOwner;
}
// to draw funds for liquidity
function transferFunds(uint256 _value) external onlyOwner returns (bool) {
owner.transfer(_value);
return true;
}
function transferUSDTFunds(uint256 _value)
external
onlyOwner
returns (bool)
{
USDT.transfer(owner, _value);
return true;
}
function transferStuckFunds(uint256 _value)
external
onlyOwner
returns (bool)
{
XMC.transfer(owner, _value);
return true;
}
function totalSupply() external view returns (uint256) {
return XMC.totalSupply();
}
function getCurrentTime() public view returns (uint256) {
return block.timestamp;
}
function contractBalanceBnb() external view returns (uint256) {
return address(this).balance;
}
function getContractTokenBalance() external view returns (uint256) {
return XMC.allowance(owner, address(this));
}
function getUserInfo(address _user)
public
view
returns (
uint256 _claimAbleAmount,
address _referrer,
uint256 _referrerReward,
bool _claimedAirdrop,
bool _isExists
)
{
UserInfo storage user = users[_user];
_claimAbleAmount = user.claimAbleAmount;
_referrer = user.referrer;
_referrerReward = user.referrerReward;
_claimedAirdrop = user.claimedAirdrop;
_isExists = user.isExists;
}
function setReferrerPercentage(
uint256 _airDropRefPercentage,
uint256 _referrerPercentage
) public onlyOwner {
airDropRefPercentage = _airDropRefPercentage;
referrerPercentage = _referrerPercentage;
}
function changeValues(
uint256 _tokenPerUsd,
uint256 _preSaleTime,
uint256 _soldToken,
uint256 _tokenHardCap,
uint256 _UsdtHardCap,
uint256 _amountRaised
) public onlyOwner {
tokenPerUsd = _tokenPerUsd;
preSaleTime = _preSaleTime;
soldToken = _soldToken;
tokenHardCap = _tokenHardCap;
UsdtHardCap = _UsdtHardCap;
amountRaised = _amountRaised;
}
}
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) {
// Gas optimization: this is cheaper than requiring 'a' not being zero, but the
// benefit is lost if 'b' is also tested.
// See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522
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;
// assert(a == b * c + a % b); // There is no case in which this doesn't hold
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;
}
}