//SPDX-License-Identifier: MIT
// File: @chainlink/contracts/src/v0.8/interfaces/AggregatorV3Interface.sol
pragma solidity ^0.8.0;
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
);
}
// File: @openzeppelin/contracts/utils/Context.sol
// OpenZeppelin Contracts v4.4.1 (utils/Context.sol)
pragma solidity ^0.8.0;
/**
* @dev Provides information about the current execution context, including the
* sender of the transaction and its data. While these are generally available
* via msg.sender and msg.data, they should not be accessed in such a direct
* manner, since when dealing with meta-transactions the account sending and
* paying for execution may not be the actual sender (as far as an application
* is concerned).
*
* This contract is only required for intermediate, library-like contracts.
*/
abstract contract Context {
function _msgSender() internal view virtual returns (address) {
return msg.sender;
}
function _msgData() internal view virtual returns (bytes calldata) {
return msg.data;
}
}
// File: @openzeppelin/contracts/access/Ownable.sol
// OpenZeppelin Contracts (last updated v4.7.0) (access/Ownable.sol)
pragma solidity ^0.8.0;
/**
* @dev Contract module which provides a basic access control mechanism, where
* there is an account (an owner) that can be granted exclusive access to
* specific functions.
*
* By default, the owner account will be the one that deploys the contract. This
* can later be changed with {transferOwnership}.
*
* This module is used through inheritance. It will make available the modifier
* `onlyOwner`, which can be applied to your functions to restrict their use to
* the owner.
*/
abstract contract Ownable is Context {
address private _owner;
event OwnershipTransferred(
address indexed previousOwner,
address indexed newOwner
);
/**
* @dev Initializes the contract setting the deployer as the initial owner.
*/
constructor() {
_transferOwnership(_msgSender());
}
/**
* @dev Throws if called by any account other than the owner.
*/
modifier onlyOwner() {
_checkOwner();
_;
}
/**
* @dev Returns the address of the current owner.
*/
function owner() public view virtual returns (address) {
return _owner;
}
/**
* @dev Throws if the sender is not the owner.
*/
function _checkOwner() internal view virtual {
require(owner() == _msgSender(), "Ownable: caller is not the owner");
}
/**
* @dev Leaves the contract without owner. It will not be possible to call
* `onlyOwner` functions anymore. Can only be called by the current owner.
*
* NOTE: Renouncing ownership will leave the contract without an owner,
* thereby removing any functionality that is only available to the owner.
*/
function renounceOwnership() public virtual onlyOwner {
_transferOwnership(address(0));
}
/**
* @dev Transfers ownership of the contract to a new account (`newOwner`).
* Can only be called by the current owner.
*/
function transferOwnership(address newOwner) public virtual onlyOwner {
require(
newOwner != address(0),
"Ownable: new owner is the zero address"
);
_transferOwnership(newOwner);
}
/**
* @dev Transfers ownership of the contract to a new account (`newOwner`).
* Internal function without access restriction.
*/
function _transferOwnership(address newOwner) internal virtual {
address oldOwner = _owner;
_owner = newOwner;
emit OwnershipTransferred(oldOwner, newOwner);
}
}
// File: @openzeppelin/contracts/security/Pausable.sol
// OpenZeppelin Contracts (last updated v4.7.0) (security/Pausable.sol)
pragma solidity ^0.8.0;
/**
* @dev Contract module which allows children to implement an emergency stop
* mechanism that can be triggered by an authorized account.
*
* This module is used through inheritance. It will make available the
* modifiers `whenNotPaused` and `whenPaused`, which can be applied to
* the functions of your contract. Note that they will not be pausable by
* simply including this module, only once the modifiers are put in place.
*/
abstract contract Pausable is Context {
/**
* @dev Emitted when the pause is triggered by `account`.
*/
event Paused(address account);
/**
* @dev Emitted when the pause is lifted by `account`.
*/
event Unpaused(address account);
bool private _paused;
/**
* @dev Initializes the contract in unpaused state.
*/
constructor() {
_paused = false;
}
/**
* @dev Modifier to make a function callable only when the contract is not paused.
*
* Requirements:
*
* - The contract must not be paused.
*/
modifier whenNotPaused() {
_requireNotPaused();
_;
}
/**
* @dev Modifier to make a function callable only when the contract is paused.
*
* Requirements:
*
* - The contract must be paused.
*/
modifier whenPaused() {
_requirePaused();
_;
}
/**
* @dev Returns true if the contract is paused, and false otherwise.
*/
function paused() public view virtual returns (bool) {
return _paused;
}
/**
* @dev Throws if the contract is paused.
*/
function _requireNotPaused() internal view virtual {
require(!paused(), "Pausable: paused");
}
/**
* @dev Throws if the contract is not paused.
*/
function _requirePaused() internal view virtual {
require(paused(), "Pausable: not paused");
}
/**
* @dev Triggers stopped state.
*
* Requirements:
*
* - The contract must not be paused.
*/
function _pause() internal virtual whenNotPaused {
_paused = true;
emit Paused(_msgSender());
}
/**
* @dev Returns to normal state.
*
* Requirements:
*
* - The contract must be paused.
*/
function _unpause() internal virtual whenPaused {
_paused = false;
emit Unpaused(_msgSender());
}
}
interface IERC20_Extended {
function name() external view returns (string memory);
function decimals() external view returns (uint256);
function transferFrom(
address _from,
address _to,
uint256 _value
) external;
function transfer(address _to, uint256 _value) external;
}
contract MMPUBLICPRESALE is Pausable, Ownable {
uint256 private _priceInUSD;
address[] private _supportedTokensList;
address private _treasaryWallet;
uint256 private _totalTokensSold;
uint256 private _totalETHCollected;
uint256 private _totalUSDCollected;
uint256 private _minContributionInUSD;
bool private _isTransacting;
address private _priceOracleAddressNative;
address private _presaleTokenContract;
mapping(address => bool) private _mappingSupportedTokens;
constructor(
uint256 priceInUSD_,
address treasaryWallet_,
address nativePriceOracle_,
address presaleTokenContract_
) {
_priceInUSD = priceInUSD_;
_treasaryWallet = treasaryWallet_;
_minContributionInUSD = 10 * 1 ether;
_priceOracleAddressNative = nativePriceOracle_;
_presaleTokenContract = presaleTokenContract_;
}
receive() external payable {}
event BuyWithNative(
address userAddress,
uint256 valueInWei,
uint256 tokenSold,
uint256 priceInUSD
);
event BuyWithToken(
address userAddress,
address tokenContract,
uint256 valueInWei,
uint256 tokenSold,
uint256 priceInUSD
);
modifier noReetency() {
require(!_isTransacting, "Transaction in progress");
_isTransacting = true;
_;
_isTransacting = false;
}
function getPresaleAnalytics()
external
view
returns (
uint256 totalTokensSold,
uint256 totalETHCollected,
uint256 totalUSDValue
)
{
totalTokensSold = _totalTokensSold;
totalETHCollected = _totalETHCollected;
totalUSDValue = _totalUSDCollected;
}
function getPresaleTokenContract() external view returns (address) {
return _presaleTokenContract;
}
function setPresaleTokenContract(address _contractAddress)
external
onlyOwner
{
_presaleTokenContract = _contractAddress;
}
function getPriceOracleNative() external view returns (address) {
return _priceOracleAddressNative;
}
function setPriceOracleNative(address _contractAddress) external onlyOwner {
_priceOracleAddressNative = _contractAddress;
}
function getMinContributionUSD() external view returns (uint256) {
return _minContributionInUSD;
}
function setMinContributionUSD(uint256 _valueInWei) external onlyOwner {
_minContributionInUSD = _valueInWei;
}
function getPresalePricePerUSD() external view returns (uint256) {
return _priceInUSD;
}
function setPricePerUSD(uint256 priceInUSD_) external onlyOwner {
_priceInUSD = priceInUSD_;
}
function getTreasaryWallet() external view returns (address) {
return _treasaryWallet;
}
function setTreasaryWallet(address treasaryWallet_) external onlyOwner {
_treasaryWallet = treasaryWallet_;
}
function getSupportedTokensList()
external
view
returns (address[] memory contractAddress)
{
contractAddress = _supportedTokensList;
}
function addSupportedToken(address tokenContract_) external onlyOwner {
bool isTokenSupported = _mappingSupportedTokens[tokenContract_];
require(
!isTokenSupported,
"Token already added in supported tokens list"
);
_mappingSupportedTokens[tokenContract_] = true;
_supportedTokensList.push(tokenContract_);
}
function removeSupportedToken(address tokenContract_) external onlyOwner {
bool isTokenSupported = _mappingSupportedTokens[tokenContract_];
require(
isTokenSupported,
"Token already removed or not added in supported tokens list"
);
_mappingSupportedTokens[tokenContract_] = false;
address[] memory supportedTokensList = _supportedTokensList;
for (uint256 i; i < supportedTokensList.length; ++i) {
if (_supportedTokensList[i] == tokenContract_) {
_supportedTokensList[i] = _supportedTokensList[
_supportedTokensList.length - 1
];
_supportedTokensList.pop();
}
}
}
function _getPriceFromOracle(address oracleAddress_)
private
view
returns (uint256 valueInUSD)
{
(
,
/* uint80 roundID */
int256 answer, /*uint startedAt*/ /*uint timeStamp*/ /*uint80 answeredInRound*/
,
,
) = AggregatorV3Interface(oracleAddress_).latestRoundData();
valueInUSD = _toWeiFromDecimals(
uint256(answer),
AggregatorV3Interface(oracleAddress_).decimals()
);
}
function getETHPrice() external view returns (uint256) {
return _getPriceFromOracle(_priceOracleAddressNative);
}
function getTokenByETH(uint256 _msgValue)
external
view
returns (uint256 valueInTokens)
{
uint256 msgValueUSD = (_getPriceFromOracle(_priceOracleAddressNative) *
_msgValue) / 1 ether;
valueInTokens = (msgValueUSD / _priceInUSD) * 1 ether;
}
function buyWithToken(address tokenContract_, uint256 valueInWei_)
external
noReetency
whenNotPaused
{
require(
_mappingSupportedTokens[tokenContract_],
"Token is not supported"
);
address msgSender = msg.sender;
require(
valueInWei_ > _minContributionInUSD ||
valueInWei_ == _minContributionInUSD,
"Value less then min contribution"
);
IERC20_Extended(address(tokenContract_)).transferFrom(
msgSender,
_treasaryWallet,
_weiToTokens(tokenContract_, valueInWei_)
);
uint256 valueInTokens = (valueInWei_ * 1 ether) / _priceInUSD;
IERC20_Extended(_presaleTokenContract).transfer(
msgSender,
_weiToTokens(_presaleTokenContract, valueInTokens)
);
_totalTokensSold += valueInTokens;
_totalUSDCollected += valueInWei_;
emit BuyWithToken(
msgSender,
tokenContract_,
valueInWei_,
valueInTokens,
_priceInUSD
);
}
function buyWithNative() external payable noReetency whenNotPaused {
address msgSender = msg.sender;
uint256 msgValue = msg.value;
uint256 msgValueUSD = (_getPriceFromOracle(_priceOracleAddressNative) *
msgValue) / 1 ether;
require(
msgValueUSD >= _minContributionInUSD,
"Value less then min contribution"
);
payable(_treasaryWallet).transfer(address(this).balance);
uint256 valueInTokens = (msgValueUSD * 1 ether) / _priceInUSD;
IERC20_Extended(_presaleTokenContract).transfer(
msgSender,
_toWei(_presaleTokenContract, valueInTokens)
);
_totalTokensSold += valueInTokens;
_totalUSDCollected += msgValueUSD;
_totalETHCollected += msgValue;
emit BuyWithNative(msgSender, msgValue, valueInTokens, _priceInUSD);
}
function _toWeiFromDecimals(uint256 valueInTokens_, uint256 from_)
private
pure
returns (uint256 valueInWei)
{
valueInWei = (valueInTokens_ * 1 ether) / 10**from_;
}
function _toWei(address tokenContract_, uint256 valueInTokens_)
private
view
returns (uint256 valueInWei)
{
valueInWei = ((valueInTokens_ * 1 ether) /
10**IERC20_Extended(tokenContract_).decimals());
}
function _weiToTokens(address tokenContract_, uint256 valueInWei_)
private
view
returns (uint256 valueInToken)
{
valueInToken =
(valueInWei_ * 10**IERC20_Extended(tokenContract_).decimals()) /
1 ether;
}
function withdrawTokens(address _tokenContract, uint256 _valueInWei)
external
noReetency
onlyOwner
{
IERC20_Extended(_tokenContract).transfer(owner(), _valueInWei);
}
function withdrawETH() external onlyOwner noReetency {
payable(owner()).transfer(address(this).balance);
}
function pause() public onlyOwner {
_pause();
}
function unpause() public onlyOwner {
_unpause();
}
}
{
"compilationTarget": {
"MMPUBLICPRESALE.sol": "MMPUBLICPRESALE"
},
"evmVersion": "shanghai",
"libraries": {},
"metadata": {
"bytecodeHash": "ipfs"
},
"optimizer": {
"enabled": true,
"runs": 200
},
"remappings": []
}
[{"inputs":[{"internalType":"uint256","name":"priceInUSD_","type":"uint256"},{"internalType":"address","name":"treasaryWallet_","type":"address"},{"internalType":"address","name":"nativePriceOracle_","type":"address"},{"internalType":"address","name":"presaleTokenContract_","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"userAddress","type":"address"},{"indexed":false,"internalType":"uint256","name":"valueInWei","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"tokenSold","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"priceInUSD","type":"uint256"}],"name":"BuyWithNative","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"userAddress","type":"address"},{"indexed":false,"internalType":"address","name":"tokenContract","type":"address"},{"indexed":false,"internalType":"uint256","name":"valueInWei","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"tokenSold","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"priceInUSD","type":"uint256"}],"name":"BuyWithToken","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":false,"internalType":"address","name":"account","type":"address"}],"name":"Paused","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"account","type":"address"}],"name":"Unpaused","type":"event"},{"inputs":[{"internalType":"address","name":"tokenContract_","type":"address"}],"name":"addSupportedToken","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"buyWithNative","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"tokenContract_","type":"address"},{"internalType":"uint256","name":"valueInWei_","type":"uint256"}],"name":"buyWithToken","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"getETHPrice","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getMinContributionUSD","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getPresaleAnalytics","outputs":[{"internalType":"uint256","name":"totalTokensSold","type":"uint256"},{"internalType":"uint256","name":"totalETHCollected","type":"uint256"},{"internalType":"uint256","name":"totalUSDValue","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getPresalePricePerUSD","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getPresaleTokenContract","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getPriceOracleNative","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getSupportedTokensList","outputs":[{"internalType":"address[]","name":"contractAddress","type":"address[]"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_msgValue","type":"uint256"}],"name":"getTokenByETH","outputs":[{"internalType":"uint256","name":"valueInTokens","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getTreasaryWallet","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"pause","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"paused","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"tokenContract_","type":"address"}],"name":"removeSupportedToken","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_valueInWei","type":"uint256"}],"name":"setMinContributionUSD","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_contractAddress","type":"address"}],"name":"setPresaleTokenContract","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_contractAddress","type":"address"}],"name":"setPriceOracleNative","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"priceInUSD_","type":"uint256"}],"name":"setPricePerUSD","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"treasaryWallet_","type":"address"}],"name":"setTreasaryWallet","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"unpause","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"withdrawETH","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_tokenContract","type":"address"},{"internalType":"uint256","name":"_valueInWei","type":"uint256"}],"name":"withdrawTokens","outputs":[],"stateMutability":"nonpayable","type":"function"},{"stateMutability":"payable","type":"receive"}]