// File: /Users/hoangquan/Desktop/Self/keyTango/catalyst/contracts/CatalystBridge.sol



// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

import "@openzeppelin/contracts/access/Ownable.sol";
import "@openzeppelin/contracts/security/Pausable.sol";
import "@openzeppelin/contracts/utils/Address.sol";
import "@openzeppelin/contracts/security/ReentrancyGuard.sol";

contract Round {
    struct RoundInfo {
        uint256 startTime;
        uint256 minAmountETH;
        uint256 depositDuration;
        uint256 stakeDuration;
        uint256 totalDepositFund;
        uint256 totalWithDrawnFund;
    }
}

contract Manager is Ownable, Pausable, Round {
    uint256 public totalRounds;
    mapping(uint256 => RoundInfo) public rounds;

    event RoundStarted(
        uint256 indexed roundId,
        uint256 indexed startTime,
        uint256 indexed duration
    );

    function adminAddRound(uint256 _startTime, uint256 _depositDuration, uint256 _stakeDuration, uint256 _minAmountETH)
        external
        whenNotPaused
        onlyOwner
    {
        RoundInfo memory newRound;
        newRound.startTime = _startTime;
        newRound.minAmountETH = _minAmountETH;
        newRound.depositDuration = _depositDuration;
        newRound.stakeDuration = _stakeDuration;
        rounds[totalRounds] = newRound;
        totalRounds = totalRounds + 1;
    }

    function adminUpdateRound(uint256 _roundId, uint256 _startTime, uint256 _depositDuration, uint256 _stakeDuration)
        external
        whenNotPaused
        onlyOwner
    {
        RoundInfo memory round = rounds[_roundId];
        require(0 < round.startTime &&  round.startTime < block.timestamp, "Can-not-update");
        round.startTime = _startTime;
        round.depositDuration = _depositDuration;
        round.stakeDuration = _stakeDuration;
        rounds[_roundId] = round;
    }

    function stop() external onlyOwner() {
        require(!paused(), "Already-paused");
        _pause();
    }

    function start() external onlyOwner() {
        require(paused(), "Already-start");
        _unpause();
    }

}

interface CataLystBridgeV1 {
    function rounds(uint256 _roundId) external view returns(uint256, uint256, uint256, uint256, uint256, uint256);
    function userFund(address _address, uint256 _roundId) external view returns(uint256);
    function userWithdrawnFund(address _address, uint256 _roundId) external view returns(uint256);
}

contract CataLystBridge is Manager, ReentrancyGuard {
    using Address for address payable;
    address public catalystBridgeV1;
    
    mapping (address => mapping(uint256 => uint256)) public userFund;
    mapping (address => mapping(uint256 => uint256)) public userWithdrawnFund;

    event UserDeposit(address indexed user, uint indexed roundId, uint indexed amount);
    event UserWithdrawn(address indexed user, uint indexed roundId, uint indexed amount);
    event MigrateDone(uint256 indexed _roundId);

    modifier isValidRound(uint256 _roundId) {
        require(rounds[_roundId].startTime > 0, "Invalid-round");
        _;
    }


    constructor(address _oldBridge) public { 
        catalystBridgeV1 = _oldBridge;
    }
    function userDeposit(uint256 _roundId) isValidRound(_roundId) external payable whenNotPaused() nonReentrant() { 
        RoundInfo memory round = rounds[_roundId];
        require(msg.value >= round.minAmountETH, "Invalid-fund");
        require(round.startTime <= block.timestamp && block.timestamp <= (round.startTime + round.depositDuration),"Can-not-deposit");
        uint256 fund = msg.value;
        round.totalDepositFund = round.totalDepositFund + fund;
        rounds[_roundId] = round;
        userFund[msg.sender][_roundId] = userFund[msg.sender][_roundId] + fund;
        emit UserDeposit(msg.sender, _roundId, fund);
    }
    
    function userWithDrawn(uint256 _roundId) isValidRound(_roundId) whenNotPaused external nonReentrant() {
        RoundInfo memory round = rounds[_roundId];
        uint256 fundOfUser = userFund[msg.sender][_roundId];
        require(fundOfUser > 0, "Invalid fund");
        require((block.timestamp <= round.startTime + round.depositDuration &&  round.totalWithDrawnFund == 0) ||
                (block.timestamp >= (round.startTime + round.depositDuration + round.stakeDuration) && round.totalWithDrawnFund > 0), "Can-not-withdrawn-now");
        uint256 amountToWithdrawn;
        if (round.totalWithDrawnFund == 0) {
            amountToWithdrawn = fundOfUser;
            round.totalDepositFund = round.totalDepositFund - amountToWithdrawn;
            rounds[_roundId] = round;
        } else {
            amountToWithdrawn = fundOfUser * round.totalWithDrawnFund / round.totalDepositFund;
            userWithdrawnFund[msg.sender][_roundId] = amountToWithdrawn;
        }
        payable(msg.sender).sendValue(amountToWithdrawn);
        emit UserWithdrawn(msg.sender, _roundId, amountToWithdrawn);
        delete userFund[msg.sender][_roundId];
    }

    function adminCollectFund(uint256 _roundId) isValidRound(_roundId) external onlyOwner() whenNotPaused() {
        require((rounds[_roundId].startTime + rounds[_roundId].depositDuration) < block.timestamp, "Deposit-time-not-end-yet");
        RoundInfo memory round = rounds[_roundId];
        uint256 collectValue = round.totalDepositFund;
        payable(msg.sender).sendValue(collectValue);
    }

    function adminDepositFund(uint256 _roundId) isValidRound(_roundId) external payable onlyOwner() whenNotPaused() {
        RoundInfo memory round = rounds[_roundId];
        require((round.startTime + round.depositDuration + round.stakeDuration) < block.timestamp, "Round-not-end-yet");
        uint256 depositValue = msg.value;
        round.totalWithDrawnFund = depositValue;
        rounds[_roundId] = round;
    }

    function emergencyWithdawn() external onlyOwner() whenPaused() {
        payable(msg.sender).sendValue((address(this).balance));
    }

    function adminMigrateData(uint _roundId, address[] memory _userDepositList) external onlyOwner() {
         (uint256 _startTime,
        uint256 _minAmountETH,
        uint256 _depositDuration,
        uint256 _stakeDuration,
        uint256 _totalDepositFund,
        uint256 _totalWithDrawnFund) = CataLystBridgeV1(catalystBridgeV1).rounds(_roundId);
        RoundInfo memory newRound;
        newRound.startTime = _startTime;
        newRound.minAmountETH = _minAmountETH;
        newRound.depositDuration = _depositDuration;
        newRound.stakeDuration = _stakeDuration;
        newRound.totalDepositFund = _totalDepositFund;
        newRound.totalWithDrawnFund = _totalWithDrawnFund;
        rounds[_roundId] = newRound;
        totalRounds = totalRounds + 1;
        for(uint i = 0; i < _userDepositList.length; i++) {
            userFund[_userDepositList[i]][_roundId] = CataLystBridgeV1(catalystBridgeV1).userFund(_userDepositList[i], _roundId);
        }
        emit MigrateDone(_roundId);
    }
}

// File: @openzeppelin/contracts/access/Ownable.sol



// 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;
    }
}

// File: @openzeppelin/contracts/security/Pausable.sol



// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

import "../utils/Context.sol";

/**
 * @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 Returns true if the contract is paused, and false otherwise.
     */
    function paused() public view virtual returns (bool) {
        return _paused;
    }

    /**
     * @dev Modifier to make a function callable only when the contract is not paused.
     *
     * Requirements:
     *
     * - The contract must not be paused.
     */
    modifier whenNotPaused() {
        require(!paused(), "Pausable: paused");
        _;
    }

    /**
     * @dev Modifier to make a function callable only when the contract is paused.
     *
     * Requirements:
     *
     * - The contract must be paused.
     */
    modifier whenPaused() {
        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());
    }
}

// File: @openzeppelin/contracts/security/ReentrancyGuard.sol



// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

/**
 * @dev Contract module that helps prevent reentrant calls to a function.
 *
 * Inheriting from `ReentrancyGuard` will make the {nonReentrant} modifier
 * available, which can be applied to functions to make sure there are no nested
 * (reentrant) calls to them.
 *
 * Note that because there is a single `nonReentrant` guard, functions marked as
 * `nonReentrant` may not call one another. This can be worked around by making
 * those functions `private`, and then adding `external` `nonReentrant` entry
 * points to them.
 *
 * TIP: If you would like to learn more about reentrancy and alternative ways
 * to protect against it, check out our blog post
 * https://blog.openzeppelin.com/reentrancy-after-istanbul/[Reentrancy After Istanbul].
 */
abstract contract ReentrancyGuard {
    // Booleans are more expensive than uint256 or any type that takes up a full
    // word because each write operation emits an extra SLOAD to first read the
    // slot's contents, replace the bits taken up by the boolean, and then write
    // back. This is the compiler's defense against contract upgrades and
    // pointer aliasing, and it cannot be disabled.

    // The values being non-zero value makes deployment a bit more expensive,
    // but in exchange the refund on every call to nonReentrant will be lower in
    // amount. Since refunds are capped to a percentage of the total
    // transaction's gas, it is best to keep them low in cases like this one, to
    // increase the likelihood of the full refund coming into effect.
    uint256 private constant _NOT_ENTERED = 1;
    uint256 private constant _ENTERED = 2;

    uint256 private _status;

    constructor () {
        _status = _NOT_ENTERED;
    }

    /**
     * @dev Prevents a contract from calling itself, directly or indirectly.
     * Calling a `nonReentrant` function from another `nonReentrant`
     * function is not supported. It is possible to prevent this from happening
     * by making the `nonReentrant` function external, and make it call a
     * `private` function that does the actual work.
     */
    modifier nonReentrant() {
        // On the first call to nonReentrant, _notEntered will be true
        require(_status != _ENTERED, "ReentrancyGuard: reentrant call");

        // Any calls to nonReentrant after this point will fail
        _status = _ENTERED;

        _;

        // By storing the original value once again, a refund is triggered (see
        // https://eips.ethereum.org/EIPS/eip-2200)
        _status = _NOT_ENTERED;
    }
}

// File: @openzeppelin/contracts/utils/Address.sol



// 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);
            }
        }
    }
}

// File: @openzeppelin/contracts/utils/Context.sol



// 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;
    }
}