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// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

import "@openzeppelin/contracts/access/Ownable.sol";
import "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import "@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol";

import "./interfaces/IPMHCNFT.sol";

contract PMHCNFTSale is Ownable {
    using SafeERC20 for IERC20;

    IERC20 public token;

    uint256 public startTime;
    uint256 public whitelistDuration;

    IPMHCNFT public nft;
    uint256 public tokenPerNft;

    uint256 public totalBuyers;

    uint256 public minId;
    uint256 public maxId;
    uint256 public totalNFTCount;
    uint256 public totalNFTSold;

    uint256 public normalPurchaseCount;

    uint256[] public availableTokenIds;
    mapping(address => uint256) public whitelist;

    mapping(address => uint256) public userInfo;
    mapping(address => uint256[]) public userNfts;

    mapping(address => bool) public isAdmin;

    event SaleCreated(address sale, address nft, address token, uint256 tokenPerNft);
    event SaleDataSet(
        uint256 startTime,
        uint256 whitelistDuration,
        uint256 minId,
        uint256 maxId,
        uint256 normalPurchaseCount
    );
    event NFTSold(address buyer, uint256 tokenId);

    modifier onlyOwnerOrAdmin() {
        require(msg.sender == owner() || isAdmin[msg.sender], "Not admin or owner");
        _;
    }

    modifier onlyActiveSale() {
        require(block.timestamp >= startTime && availableTokenIds.length > 0, "Sale is not active now");
        _;
    }

    modifier canBuyNFTs(address buyer, uint256 nftAmount) {
        if (block.timestamp <= startTime + whitelistDuration) {
            require(whitelist[buyer] > 0, "Not whitelisted!");
            require(userInfo[buyer] + nftAmount <= whitelist[buyer], "Limit");
        } else {
            if (whitelist[buyer] > 0) {
                // for whitelisted user
                require(userInfo[buyer] + nftAmount <= whitelist[buyer], "Limit");
            } else {
                require(userInfo[buyer] + nftAmount <= normalPurchaseCount, "Limit");
            }
        }
        require(totalNFTSold + nftAmount <= totalNFTCount, "Target hit");
        _;
    }

    constructor(
        IPMHCNFT _nft,
        IERC20 _token,
        uint256 _tokenPerNft
    ) {
        require(address(_nft) != address(0), "Invalid nft");
        require(address(_token) != address(0), "Invalid token");

        nft = _nft;
        token = _token;
        tokenPerNft = _tokenPerNft;

        emit SaleCreated(address(this), address(nft), address(token), tokenPerNft);
    }

    function getUserNftIds(address user) external view returns (uint256[] memory) {
        return userNfts[user];
    }

    function getRemaining() external view returns (uint256) {
        return availableTokenIds.length;
    }

    function getStatus() external view returns (uint64) {
        if (block.timestamp < startTime) {
            return 0; // Upcoming
        }
        if (availableTokenIds.length > 0) {
            return 1; // In Sale
        }
        return 2; // Ended
    }

    function initTokenIds(uint256 _count) external onlyOwner {
        require(_count > 0, "Invalid count");
        require(block.timestamp < startTime, "Already started");
        uint256 startId = minId;

        if (availableTokenIds.length > 0) {
            startId = availableTokenIds[availableTokenIds.length - 1] + 1;
        }

        uint256 endId = startId + _count;

        if (endId > maxId) {
            endId = maxId;
        }

        for (uint256 index = startId; index <= endId; index++) {
            availableTokenIds.push(index);
        }
    }

    function initSale(
        uint256 _startTime,
        uint256 _whitelistDuration,
        uint256 _minId,
        uint256 _maxId,
        uint256 _normalPurchaseCount
    ) external onlyOwner {
        require(_startTime >= block.timestamp, "Invalid startTime");
        require(_whitelistDuration > 0, "Invalid duration");
        require(_minId >= 0 && _maxId >= _minId, "Invalid min or max id");
        require(_normalPurchaseCount > 0, "Invalid normalPurchaseCount");

        require(availableTokenIds.length == 0, "Already initialized");

        startTime = _startTime;
        whitelistDuration = _whitelistDuration;
        minId = _minId;
        maxId = _maxId;
        normalPurchaseCount = _normalPurchaseCount;

        totalNFTCount = maxId - minId + 1;

        emit SaleDataSet(startTime, whitelistDuration, minId, maxId, normalPurchaseCount);
    }

    function _setWhitelist(address addr, uint256 amount) private {
        whitelist[addr] = amount;
    }

    function setWhitelist(address addr, uint256 amount) external onlyOwnerOrAdmin {
        _setWhitelist(addr, amount);
    }

    function setWhitelists(address[] calldata addrs, uint256[] calldata amounts) external onlyOwnerOrAdmin {
        require(addrs.length == amounts.length, "Invalid params");
        for (uint256 index = 0; index < addrs.length; index++) {
            _setWhitelist(addrs[index], amounts[index]);
        }
    }

    function setStartTime(uint256 _startTime) external onlyOwnerOrAdmin {
        require(_startTime >= block.timestamp, "Invalid startTime");

        startTime = _startTime;

        emit SaleDataSet(startTime, whitelistDuration, minId, maxId, normalPurchaseCount);
    }

    function setWhitelistDuration(uint256 _whitelistDuration) external onlyOwnerOrAdmin {
        require(_whitelistDuration > 0, "Invalid duration");
        whitelistDuration = _whitelistDuration;

        emit SaleDataSet(startTime, whitelistDuration, minId, maxId, normalPurchaseCount);
    }

    function setNormalPurchaseCount(uint256 _normalPurchaseCount) external onlyOwnerOrAdmin {
        require(_normalPurchaseCount > 0, "Invalid normalPurchaseCount");
        normalPurchaseCount = _normalPurchaseCount;

        emit SaleDataSet(startTime, whitelistDuration, minId, maxId, normalPurchaseCount);
    }

    function _removeAvailableTokenIdAtIndex(uint256 index) private {
        if (index != availableTokenIds.length - 1) {
            availableTokenIds[index] = availableTokenIds[availableTokenIds.length - 1];
        }
        availableTokenIds.pop();
    }

    function _buyNFT(uint256 factor) private {
        uint256 i = uint256(uint160(address(msg.sender)));
        uint256 index = (i * (factor + 1) * block.timestamp) % availableTokenIds.length;
        uint256 tokenId = availableTokenIds[index];

        nft.mintTo(msg.sender, tokenId);

        _removeAvailableTokenIdAtIndex(index);

        userNfts[msg.sender].push(tokenId);

        if (userInfo[msg.sender] == 0) {
            totalBuyers++;
        }

        userInfo[msg.sender] = userInfo[msg.sender] + 1;

        emit NFTSold(msg.sender, tokenId);
    }

    function setTokenPerNft(uint256 _tokenPerNft) external onlyOwnerOrAdmin {
        require(_tokenPerNft > 0, "Invalid");
        require(block.timestamp < startTime, "Already started");
        tokenPerNft = _tokenPerNft;
    }

    function buyNFTs(uint256 nftAmount) external onlyActiveSale canBuyNFTs(msg.sender, nftAmount) {
        token.safeTransferFrom(msg.sender, address(this), nftAmount * tokenPerNft);

        for (uint256 index = 0; index < nftAmount; index++) {
            _buyNFT(index);
        }
        totalNFTSold = totalNFTSold + nftAmount;
    }

    function withdrawAnyToken(IERC20 erc20, uint256 amount) external onlyOwnerOrAdmin {
        erc20.safeTransfer(msg.sender, amount);
    }

    function withdrawFunds() external onlyOwnerOrAdmin {
        uint256 balance = token.balanceOf(address(this));
        token.safeTransfer(msg.sender, balance);
    }

    function setAdmin(address admin, bool set) external onlyOwner {
        isAdmin[admin] = set;
    }
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

import "../utils/Context.sol";
/**
 * @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 () {
        address msgSender = _msgSender();
        _owner = msgSender;
        emit OwnershipTransferred(address(0), msgSender);
    }

    /**
     * @dev Returns the address of the current owner.
     */
    function owner() public view virtual returns (address) {
        return _owner;
    }

    /**
     * @dev Throws if called by any account other than the owner.
     */
    modifier onlyOwner() {
        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 {
        emit OwnershipTransferred(_owner, address(0));
        _owner = 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");
        emit OwnershipTransferred(_owner, newOwner);
        _owner = newOwner;
    }
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

/**
 * @dev Interface of the ERC20 standard as defined in the EIP.
 */
interface IERC20 {
    /**
     * @dev Returns the amount of tokens in existence.
     */
    function totalSupply() external view returns (uint256);

    /**
     * @dev Returns the amount of tokens owned by `account`.
     */
    function balanceOf(address account) external view returns (uint256);

    /**
     * @dev Moves `amount` tokens from the caller's account to `recipient`.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transfer(address recipient, uint256 amount) external returns (bool);

    /**
     * @dev Returns the remaining number of tokens that `spender` will be
     * allowed to spend on behalf of `owner` through {transferFrom}. This is
     * zero by default.
     *
     * This value changes when {approve} or {transferFrom} are called.
     */
    function allowance(address owner, address spender) external view returns (uint256);

    /**
     * @dev Sets `amount` as the allowance of `spender` over the caller's tokens.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * IMPORTANT: Beware that changing an allowance with this method brings the risk
     * that someone may use both the old and the new allowance by unfortunate
     * transaction ordering. One possible solution to mitigate this race
     * condition is to first reduce the spender's allowance to 0 and set the
     * desired value afterwards:
     * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
     *
     * Emits an {Approval} event.
     */
    function approve(address spender, uint256 amount) external returns (bool);

    /**
     * @dev Moves `amount` tokens from `sender` to `recipient` using the
     * allowance mechanism. `amount` is then deducted from the caller's
     * allowance.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transferFrom(address sender, address recipient, uint256 amount) external returns (bool);

    /**
     * @dev Emitted when `value` tokens are moved from one account (`from`) to
     * another (`to`).
     *
     * Note that `value` may be zero.
     */
    event Transfer(address indexed from, address indexed to, uint256 value);

    /**
     * @dev Emitted when the allowance of a `spender` for an `owner` is set by
     * a call to {approve}. `value` is the new allowance.
     */
    event Approval(address indexed owner, address indexed spender, uint256 value);
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

import "../IERC20.sol";
import "../../../utils/Address.sol";

/**
 * @title SafeERC20
 * @dev Wrappers around ERC20 operations that throw on failure (when the token
 * contract returns false). Tokens that return no value (and instead revert or
 * throw on failure) are also supported, non-reverting calls are assumed to be
 * successful.
 * To use this library you can add a `using SafeERC20 for IERC20;` statement to your contract,
 * which allows you to call the safe operations as `token.safeTransfer(...)`, etc.
 */
library SafeERC20 {
    using Address for address;

    function safeTransfer(IERC20 token, address to, uint256 value) internal {
        _callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value));
    }

    function safeTransferFrom(IERC20 token, address from, address to, uint256 value) internal {
        _callOptionalReturn(token, abi.encodeWithSelector(token.transferFrom.selector, from, to, value));
    }

    /**
     * @dev Deprecated. This function has issues similar to the ones found in
     * {IERC20-approve}, and its usage is discouraged.
     *
     * Whenever possible, use {safeIncreaseAllowance} and
     * {safeDecreaseAllowance} instead.
     */
    function safeApprove(IERC20 token, address spender, uint256 value) internal {
        // safeApprove should only be called when setting an initial allowance,
        // or when resetting it to zero. To increase and decrease it, use
        // 'safeIncreaseAllowance' and 'safeDecreaseAllowance'
        // solhint-disable-next-line max-line-length
        require((value == 0) || (token.allowance(address(this), spender) == 0),
            "SafeERC20: approve from non-zero to non-zero allowance"
        );
        _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, value));
    }

    function safeIncreaseAllowance(IERC20 token, address spender, uint256 value) internal {
        uint256 newAllowance = token.allowance(address(this), spender) + value;
        _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));
    }

    function safeDecreaseAllowance(IERC20 token, address spender, uint256 value) internal {
        unchecked {
            uint256 oldAllowance = token.allowance(address(this), spender);
            require(oldAllowance >= value, "SafeERC20: decreased allowance below zero");
            uint256 newAllowance = oldAllowance - value;
            _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));
        }
    }

    /**
     * @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement
     * on the return value: the return value is optional (but if data is returned, it must not be false).
     * @param token The token targeted by the call.
     * @param data The call data (encoded using abi.encode or one of its variants).
     */
    function _callOptionalReturn(IERC20 token, bytes memory data) private {
        // We need to perform a low level call here, to bypass Solidity's return data size checking mechanism, since
        // we're implementing it ourselves. We use {Address.functionCall} to perform this call, which verifies that
        // the target address contains contract code and also asserts for success in the low-level call.

        bytes memory returndata = address(token).functionCall(data, "SafeERC20: low-level call failed");
        if (returndata.length > 0) { // Return data is optional
            // solhint-disable-next-line max-line-length
            require(abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed");
        }
    }
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

interface IPMHCNFT {
    function mintTo(address _to, uint256 _tokenId) external;
}

// SPDX-License-Identifier: MIT

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) {
        this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691
        return msg.data;
    }
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

/**
 * @dev Collection of functions related to the address type
 */
library Address {
    /**
     * @dev Returns true if `account` is a contract.
     *
     * [IMPORTANT]
     * ====
     * It is unsafe to assume that an address for which this function returns
     * false is an externally-owned account (EOA) and not a contract.
     *
     * Among others, `isContract` will return false for the following
     * types of addresses:
     *
     *  - an externally-owned account
     *  - a contract in construction
     *  - an address where a contract will be created
     *  - an address where a contract lived, but was destroyed
     * ====
     */
    function isContract(address account) internal view returns (bool) {
        // This method relies on extcodesize, which returns 0 for contracts in
        // construction, since the code is only stored at the end of the
        // constructor execution.

        uint256 size;
        // solhint-disable-next-line no-inline-assembly
        assembly { size := extcodesize(account) }
        return size > 0;
    }

    /**
     * @dev Replacement for Solidity's `transfer`: sends `amount` wei to
     * `recipient`, forwarding all available gas and reverting on errors.
     *
     * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost
     * of certain opcodes, possibly making contracts go over the 2300 gas limit
     * imposed by `transfer`, making them unable to receive funds via
     * `transfer`. {sendValue} removes this limitation.
     *
     * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more].
     *
     * IMPORTANT: because control is transferred to `recipient`, care must be
     * taken to not create reentrancy vulnerabilities. Consider using
     * {ReentrancyGuard} or the
     * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
     */
    function sendValue(address payable recipient, uint256 amount) internal {
        require(address(this).balance >= amount, "Address: insufficient balance");

        // solhint-disable-next-line avoid-low-level-calls, avoid-call-value
        (bool success, ) = recipient.call{ value: amount }("");
        require(success, "Address: unable to send value, recipient may have reverted");
    }

    /**
     * @dev Performs a Solidity function call using a low level `call`. A
     * plain`call` is an unsafe replacement for a function call: use this
     * function instead.
     *
     * If `target` reverts with a revert reason, it is bubbled up by this
     * function (like regular Solidity function calls).
     *
     * Returns the raw returned data. To convert to the expected return value,
     * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].
     *
     * Requirements:
     *
     * - `target` must be a contract.
     * - calling `target` with `data` must not revert.
     *
     * _Available since v3.1._
     */
    function functionCall(address target, bytes memory data) internal returns (bytes memory) {
      return functionCall(target, data, "Address: low-level call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with
     * `errorMessage` as a fallback revert reason when `target` reverts.
     *
     * _Available since v3.1._
     */
    function functionCall(address target, bytes memory data, string memory errorMessage) internal returns (bytes memory) {
        return functionCallWithValue(target, data, 0, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but also transferring `value` wei to `target`.
     *
     * Requirements:
     *
     * - the calling contract must have an ETH balance of at least `value`.
     * - the called Solidity function must be `payable`.
     *
     * _Available since v3.1._
     */
    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");
    }

    /**
     * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but
     * with `errorMessage` as a fallback revert reason when `target` reverts.
     *
     * _Available since v3.1._
     */
    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");

        // solhint-disable-next-line avoid-low-level-calls
        (bool success, bytes memory returndata) = target.call{ value: value }(data);
        return _verifyCallResult(success, returndata, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but performing a static call.
     *
     * _Available since v3.3._
     */
    function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {
        return functionStaticCall(target, data, "Address: low-level static call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a static call.
     *
     * _Available since v3.3._
     */
    function functionStaticCall(address target, bytes memory data, string memory errorMessage) internal view returns (bytes memory) {
        require(isContract(target), "Address: static call to non-contract");

        // solhint-disable-next-line avoid-low-level-calls
        (bool success, bytes memory returndata) = target.staticcall(data);
        return _verifyCallResult(success, returndata, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but performing a delegate call.
     *
     * _Available since v3.4._
     */
    function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {
        return functionDelegateCall(target, data, "Address: low-level delegate call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a delegate call.
     *
     * _Available since v3.4._
     */
    function functionDelegateCall(address target, bytes memory data, string memory errorMessage) internal returns (bytes memory) {
        require(isContract(target), "Address: delegate call to non-contract");

        // solhint-disable-next-line avoid-low-level-calls
        (bool success, bytes memory returndata) = target.delegatecall(data);
        return _verifyCallResult(success, returndata, errorMessage);
    }

    function _verifyCallResult(bool success, bytes memory returndata, string memory errorMessage) private pure returns(bytes memory) {
        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);
            }
        }
    }
}

{
  "metadata": {
    "bytecodeHash": "none"
  },
  "optimizer": {
    "enabled": true,
    "runs": 800
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "libraries": {}
}

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[{"inputs":[{"internalType":"contract IPMHCNFT","name":"_nft","type":"address"},{"internalType":"contract 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IPMHCNFT","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"normalPurchaseCount","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"admin","type":"address"},{"internalType":"bool","name":"set","type":"bool"}],"name":"setAdmin","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_normalPurchaseCount","type":"uint256"}],"name":"setNormalPurchaseCount","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_startTime","type":"uint256"}],"name":"setStartTime","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_tokenPerNft","type":"uint256"}],"name":"setTokenPerNft","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"addr","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"setWhitelist","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_whitelistDuration","type":"uint256"}],"name":"setWhitelistDuration","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address[]","name":"addrs","type":"address[]"},{"internalType":"uint256[]","name":"amounts","type":"uint256[]"}],"name":"setWhitelists","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"startTime","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"token","outputs":[{"internalType":"contract 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