Contract

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
/**
 *Submitted for verification at testnet.bscscan.com on 2024-11-07
*/
// 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) {
        return msg.data;
    }
}
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);
    }
}
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
     *
     * Furthermore, `isContract` will also return true if the target contract within
     * the same transaction is already scheduled for destruction by `SELFDESTRUCT`,
     * which only has an effect at the end of a transaction.
     * ====
     *
     * [IMPORTANT]
     * ====
     * You shouldn't rely on `isContract` to protect against flash loan attacks!
     *
     * Preventing calls from contracts is highly discouraged. It breaks composability, breaks support for smart wallets
     * like Gnosis Safe, and does not provide security since it can be circumvented by calling from a contract
     * constructor.
     * ====
     */
    function isContract(address account) internal view returns (bool) {
        // This method relies on extcodesize/address.code.length, which returns 0
        // for contracts in construction, since the code is only stored at the end
        // of the constructor execution.
        return account.code.length > 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://consensys.net/diligence/blog/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"
        );
        (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
            functionCallWithValue(
                target,
                data,
                0,
                "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"
        );
        (bool success, bytes memory returndata) = target.call{value: value}(
            data
        );
        return
            verifyCallResultFromTarget(
                target,
                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) {
        (bool success, bytes memory returndata) = target.staticcall(data);
        return
            verifyCallResultFromTarget(
                target,
                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) {
        (bool success, bytes memory returndata) = target.delegatecall(data);
        return
            verifyCallResultFromTarget(
                target,
                success,
                returndata,
                errorMessage
            );
    }
    /**
     * @dev Tool to verify that a low level call to smart-contract was successful, and revert (either by bubbling
     * the revert reason or using the provided one) in case of unsuccessful call or if target was not a contract.
     *
     * _Available since v4.8._
     */
    function verifyCallResultFromTarget(
        address target,
        bool success,
        bytes memory returndata,
        string memory errorMessage
    ) internal view returns (bytes memory) {
        if (success) {
            if (returndata.length == 0) {
                // only check isContract if the call was successful and the return data is empty
                // otherwise we already know that it was a contract
                require(isContract(target), "Address: call to non-contract");
            }
            return returndata;
        } else {
            _revert(returndata, errorMessage);
        }
    }
    /**
     * @dev Tool to verify that a low level call was successful, and revert if it wasn't, either by bubbling the
     * revert reason or using the provided one.
     *
     * _Available since v4.3._
     */
    function verifyCallResult(
        bool success,
        bytes memory returndata,
        string memory errorMessage
    ) internal pure returns (bytes memory) {
        if (success) {
            return returndata;
        } else {
            _revert(returndata, errorMessage);
        }
    }
    function _revert(
        bytes memory returndata,
        string memory errorMessage
    ) private pure {
        // 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
            /// @solidity memory-safe-assembly
            assembly {
                let returndata_size := mload(returndata)
                revert(add(32, returndata), returndata_size)
            }
        } else {
            revert(errorMessage);
        }
    }
}
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 making it call a
     * `private` function that does the actual work.
     */
    modifier nonReentrant() {
        _nonReentrantBefore();
        _;
        _nonReentrantAfter();
    }
    function _nonReentrantBefore() private {
        // On the first call to nonReentrant, _status will be _NOT_ENTERED
        require(_status != _ENTERED, "ReentrancyGuard: reentrant call");
        // Any calls to nonReentrant after this point will fail
        _status = _ENTERED;
    }
    function _nonReentrantAfter() private {
        // By storing the original value once again, a refund is triggered (see
        // https://eips.ethereum.org/EIPS/eip-2200)
        _status = _NOT_ENTERED;
    }
    /**
     * @dev Returns true if the reentrancy guard is currently set to "entered", which indicates there is a
     * `nonReentrant` function in the call stack.
     */
    function _reentrancyGuardEntered() internal view returns (bool) {
        return _status == _ENTERED;
    }
}
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;
    }
    /**
     * @dev Returns to normal state.
     *
     * Requirements:
     *
     * - The contract must be paused.
     */
    function _unpause() internal virtual whenPaused {
        _paused = false;
        emit Unpaused(_msgSender());
    }
}
interface IWADF {
    function deposit() external payable;
    function transfer(address to, uint256 value) external returns (bool);
    function transferFrom(
        address from,
        address to,
        uint256 value
    ) external returns (bool);
    function withdraw(uint256) external;
}
interface IPriceAggregator {
    function getPrice() external view returns (uint256);
}
contract ADFStaking is ReentrancyGuard, Ownable, Pausable {
    address public WADF;
    address public priceAggregator;
    address public adminIn;
    address public adminOut;
    uint256 private oneDay = 86400;
    uint256 private oneMonth = 30 * oneDay;
    uint256 private oneYear = 30 * 12;
    uint256 public marginHour;
    uint256 public withdrawLimit;
    uint256 public minimumStakeAmount;
    uint256 public stakeCount;
    uint256 public activeStakeCount;
    // uint256 public ADFTokenPrice; // 1 = 0.00001,900000 = 9 INR , 101200 = 1.01200 INR , 1120005 = 11.20005 INR
    struct Stake {
        uint256 depositADF;
        uint256 depositUSD;
        uint256 startTime;
        uint256 minLockPeriod;
        uint256 lockMonth;
        uint256 profitRateAPR; // 6000 = 60%annual (5%monthly) , 12000 = 120% annual (10% monthly)
        bool active;
        uint256 unstakeDate;
        uint256 profitDebitUSD;
        uint256 profitWithdrawTime;
    }
    struct lockingType {
        uint256 month;
        uint256 profitRateAPR;
        bool status;
    }
    mapping(address => Stake[]) public stakeData;
    mapping(uint256 => lockingType) public LockingType;
    mapping(address => bool) public Operators;
    event stakeEvent(
        address _user,
        uint256 _depositADF,
        uint256 _depositUSD,
        uint256 _startTime,
        uint256 _lockMonth,
        uint256 _index
    );
    event withdrawStakeWithProfit(
        address _user,
        uint256 _amountADF,
        uint256 _index
    );
    event withdrawProfit(address _user, uint256 _amountADF, uint256 _index);
    event locktypeAdd(uint256 month, uint256 profitRateAPR, bool status);
    event changeWithdrawLimit(uint256 withdrawLimit);
    event changeMinimumStake(uint256 minimumStakeAmount);
    modifier onlyOperators() {
        require(Operators[msg.sender] == true, "Not a community member");
        _;
    }
    constructor(
        address _WADF,
        address _priceAggregator,
        address _adminIn,
        address _adminOut
    ) Pausable() {
        WADF = _WADF;
        adminIn = _adminIn;
        adminOut = _adminOut;
        withdrawLimit = type(uint256).max;
        minimumStakeAmount = 0;
        priceAggregator = _priceAggregator;
    }
    receive() external payable {}
    // stake functions for user
    function stake(
        uint256 _lockingMonth
    ) public payable whenNotPaused nonReentrant {
        require(msg.value > 0, "Amount must be greater the 0");
        uint256 _amountADF = msg.value;
        uint256 _ADFTokenPrice = IPriceAggregator(priceAggregator).getPrice();
        uint256 _amtUSD = msg.value * _ADFTokenPrice;
        require(
            LockingType[_lockingMonth].status == true,
            "This type of Locking is not available"
        );
        require(_amountADF >= minimumStakeAmount, "Less than min stake amt");
        // Get the tokens in the contract
        IWADF(WADF).deposit{value: msg.value}();
        IWADF(WADF).transfer(adminIn, _amountADF);
        // Create new entry of deposit
        uint256 _lockingPeriod = (LockingType[_lockingMonth].month) * oneMonth;
        Stake memory _stake;
        _stake.depositADF = _amountADF;
        _stake.depositUSD = _amtUSD;
        _stake.startTime = block.timestamp;
        _stake.minLockPeriod = _lockingPeriod;
        _stake.lockMonth = LockingType[_lockingMonth].month;
        _stake.active = true;
        _stake.profitRateAPR = LockingType[_lockingMonth].profitRateAPR;
        _stake.unstakeDate = 0;
        _stake.profitDebitUSD = 0;
        _stake.profitWithdrawTime = block.timestamp;
        stakeData[msg.sender].push(_stake);
        stakeCount = stakeCount + 1;
        activeStakeCount = activeStakeCount + 1;
        uint256 _index = stakeData[msg.sender].length - 1;
        emit stakeEvent(
            msg.sender,
            _amountADF,
            _amtUSD,
            block.timestamp,
            _lockingMonth,
            _index
        );
    }
    // Function to Stake by Owner on behalf of user
    // only creates Entry doesn't take any tokens from user
    function stakeOwner(
        address _user,
        uint256 _amountADF,
        uint256 _startTime,
        uint256 _lockingMonth
    ) public nonReentrant onlyOperators {
        require(
            LockingType[_lockingMonth].status == true,
            "This type of Locking is not available"
        );
        uint256 _ADFTokenPrice = IPriceAggregator(priceAggregator).getPrice();
        uint256 _amountUSD = _amountADF * _ADFTokenPrice;
        require(_amountADF >= minimumStakeAmount, "Less than min stake amt");
        // Create new entry of deposit
        uint256 _lockingPeriod = (LockingType[_lockingMonth].month) * oneMonth;
        Stake memory _stake;
        _stake.depositADF = _amountADF;
        _stake.depositUSD = _amountUSD;
        _stake.startTime = _startTime;
        _stake.minLockPeriod = _lockingPeriod;
        _stake.lockMonth = LockingType[_lockingMonth].month;
        _stake.profitRateAPR = LockingType[_lockingMonth].profitRateAPR;
        _stake.active = true;
        _stake.unstakeDate = 0;
        _stake.profitDebitUSD = 0;
        _stake.profitWithdrawTime = _startTime;
        stakeData[_user].push(_stake);
        stakeCount = stakeCount + 1;
        activeStakeCount = activeStakeCount + 1;
        uint256 _index = stakeData[_user].length - 1;
        emit stakeEvent(
            _user,
            _amountADF,
            _amountUSD,
            _startTime,
            _lockingMonth,
            _index
        );
    }
    // stake Amount or profit withdraw by Admin on behalf of user
    function withdrawProfitAndStakeByOwner(
        uint256 _index,
        address _user
    ) public nonReentrant onlyOperators {
        Stake memory s = stakeData[_user][_index];
        require(s.active == true, "Your stake is already withdrawn");
        if (
            (s.startTime + s.minLockPeriod) < block.timestamp && s.lockMonth > 0
        ) {
            withdrawStakeInternal(_user, _index);
        } else {
            uint256 daysPassed = (block.timestamp - s.profitWithdrawTime) /
                oneDay;
            if (s.profitDebitUSD == 0) {
                require(
                    daysPassed >= 30,
                    "You can only withdraw profit after 30 days"
                );
                uint256 USDEarned = getSimpleProfit(_user, _index);
                stakeData[_user][_index].profitWithdrawTime = (block.timestamp - marginHour );
                uint256 profitToken;
                if (USDEarned > 0) {
                    stakeData[_user][_index].profitDebitUSD += USDEarned;
                    uint256 _ADFTokenPrice = IPriceAggregator(priceAggregator)
                        .getPrice();
                    profitToken = USDEarned / _ADFTokenPrice;
                    IWADF(WADF).transferFrom(
                        adminOut,
                        address(this),
                        profitToken
                    );
                    IWADF(WADF).withdraw(profitToken);
                    payable(_user).transfer(profitToken);
                }
                emit withdrawProfit(_user, profitToken, _index);
            } else {
                uint256 USDEarned = getSimpleProfit(_user, _index);
                stakeData[_user][_index].profitWithdrawTime = (block.timestamp - marginHour );
                uint256 profitToken;
                if (USDEarned > 0) {
                    stakeData[_user][_index].profitDebitUSD += USDEarned;
                    uint256 _ADFTokenPrice = IPriceAggregator(priceAggregator)
                        .getPrice();
                    profitToken = USDEarned / _ADFTokenPrice;
                    IWADF(WADF).transferFrom(
                        adminOut,
                        address(this),
                        profitToken
                    );
                    IWADF(WADF).withdraw(profitToken);
                    payable(_user).transfer(profitToken);
                }
                emit withdrawProfit(_user, profitToken, _index);
            }
        }
    }
    function withdrawStake(uint256 _index) public whenNotPaused nonReentrant {
        withdrawStakeInternal(msg.sender, _index);
    }
    function withdrawStakeInternal(address _user, uint256 _index) internal {
        // stake lock expires
        Stake memory s = stakeData[_user][_index];
        require(s.active == true, "Your stake is already withdrawn");
        require(
            (s.startTime + s.minLockPeriod) < block.timestamp,
            "not expire"
        );
        uint256 daysPassed = (block.timestamp - s.profitWithdrawTime) / oneDay;
        uint256 USDEarned = getSimpleProfit(_user, _index);
        stakeData[_user][_index].profitWithdrawTime = block.timestamp;
        uint256 profitToken;
        if (s.lockMonth == 0 && daysPassed < 30) {
            profitToken = 0;
        } else {
            if (USDEarned > 0) {
                stakeData[_user][_index].profitDebitUSD += USDEarned;
                uint256 _ADFTokenPrice = IPriceAggregator(priceAggregator)
                    .getPrice();
                profitToken = USDEarned / _ADFTokenPrice;
            }
        }
        uint256 totalWithdrawable = profitToken + s.depositADF;
        require(
            totalWithdrawable < withdrawLimit,
            "Withdraw Limit cross, please connect to help and support"
        );
        stakeData[_user][_index].active = false;
        stakeData[_user][_index].unstakeDate = block.timestamp;
        IWADF(WADF).transferFrom(adminOut, address(this), totalWithdrawable);
        IWADF(WADF).withdraw(totalWithdrawable);
        payable(_user).transfer(totalWithdrawable);
        activeStakeCount = activeStakeCount - 1;
        emit withdrawStakeWithProfit(_user, totalWithdrawable, _index);
    }
    // function for emergency withdraw
    function emergencyWithdraw(
        address _user,
        uint256 _index
    ) public nonReentrant onlyOwner {
        Stake memory s = stakeData[_user][_index];
        require(s.active == true, "Your stake is already withdrawn");
        uint256 USDEarned = getSimpleProfit(_user, _index);
        uint256 profitToken;
        if (USDEarned > 0) {
            stakeData[_user][_index].profitDebitUSD += USDEarned;
            uint256 _ADFTokenPrice = IPriceAggregator(priceAggregator)
                .getPrice();
            profitToken = USDEarned / _ADFTokenPrice;
        }
        uint256 totalWithdrawable = profitToken + s.depositADF;
        stakeData[_user][_index].active = false;
        stakeData[_user][_index].unstakeDate = block.timestamp;
        stakeData[_user][_index].profitWithdrawTime = block.timestamp;
        IWADF(WADF).transferFrom(adminOut, address(this), totalWithdrawable);
        IWADF(WADF).withdraw(totalWithdrawable);
        payable(_user).transfer(totalWithdrawable);
        activeStakeCount = activeStakeCount - 1;
        emit withdrawStakeWithProfit(_user, totalWithdrawable, _index);
    }
    function getSimpleProfit(
        address _user,
        uint256 _index
    ) public view returns (uint256) {
        Stake memory s = stakeData[_user][_index];
        uint256 _deposit = s.depositUSD;
        // duration in sec
        uint256 durationStaked = block.timestamp - s.profitWithdrawTime;
        // duration in day
    
        durationStaked = durationStaked / oneDay;
        uint256 _profitRate = s.profitRateAPR;
        //oneYear
        uint256 _profitForYear = (_deposit * _profitRate) / 10000;
        //oneDay
        uint256 _profitForDay = _profitForYear / oneYear;
        uint256 profitEarned = _profitForDay * durationStaked;
        return profitEarned;
    }
    // Details getter functions
    function getStakeData(
        address _user,
        uint256 _index
    ) public view returns (Stake memory, uint256, bool) {
        Stake memory s = stakeData[_user][_index];
        uint256 profitEarnedUSD;
        bool canWithdraw;
        if (s.active) {
            profitEarnedUSD = getSimpleProfit(_user, _index);
            if (block.timestamp < (s.startTime + s.minLockPeriod)) {
                canWithdraw = false;
            } else {
                canWithdraw = true;
            }
        }
        return (s, profitEarnedUSD, canWithdraw);
    }
    function getAdfpriceUSD() public view returns(uint256){
        uint256 _ADFTokenPrice = IPriceAggregator(priceAggregator).getPrice();
        return _ADFTokenPrice;        
    } 
    function getStakeLength(address _user) public view returns (uint256) {
        uint256 totalStake = stakeData[_user].length;
        return totalStake;
    }
    // Admin functions
    function setAdmin(address _adminIn, address _adminOut) public onlyOwner {
        adminIn = _adminIn;
        adminOut = _adminOut;
    }
    function setMarginTime(
        uint256 _marginHour
    ) public onlyOwner {
        marginHour = _marginHour * 3600;
    }
    function PauseStaking() public onlyOwner {
        _pause();
    }
    function unpauseStaking() public onlyOwner {
        _unpause();
    }
    function setWithdrawLimit(uint256 _withdrawLimit) public onlyOwner {
        withdrawLimit = _withdrawLimit;
        emit changeWithdrawLimit(_withdrawLimit);
    }
    function setMinimumStaking(uint256 _minimumStakeAmount) public onlyOwner {
        minimumStakeAmount = _minimumStakeAmount;
        emit changeMinimumStake(_minimumStakeAmount);
    }
    function addOperator(address _operator, bool _status) external onlyOwner {
        Operators[_operator] = _status;
    }
    function setStakeStatus(
        address _user,
        uint256 _index,
        bool _status
    ) public onlyOwner {
        stakeData[_user][_index].active = _status;
    }
    function setWADFToken(address _WADF) public onlyOwner {
        WADF = _WADF;
    }
    function setPriceAggregator(address _priceAggregator) public onlyOwner {
        priceAggregator = _priceAggregator;
    }
    function closeMultiStakes(
        address _user,
        uint256[] memory _index
    ) public onlyOwner {
        for (uint256 i = 0; i < _index.length; i++) {
            uint256 USDEarned = getSimpleProfit(_user, _index[i]);
            stakeData[_user][_index[i]].profitDebitUSD += USDEarned;
            stakeData[_user][_index[i]].active = false;
            stakeData[_user][_index[i]].unstakeDate = block.timestamp;
        }
        activeStakeCount = activeStakeCount - _index.length;
    }
    function changeStakeDate(
        address _user,
        uint256 _index,
        uint256 _startTime
    ) public onlyOwner {
        stakeData[_user][_index].startTime = _startTime;
    }
    function addLockType(
        uint256 _month,
        uint256 _profitRateAPR,
        bool _status
    ) public onlyOwner {
        LockingType[_month].month = _month;
        LockingType[_month].profitRateAPR = _profitRateAPR;
        LockingType[_month].status = _status;
        emit locktypeAdd(_month, _profitRateAPR, _status);
    }
}
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX