WG@G

Token

Overview[ERC-20]

Max Total Supply

35.22

Holders

5+150.00%

Transfers

Profile Summary

Contract

0x7d08e4-e6dab9

Decimals

Market

Price

$0 @0.00000000 @G

Contract

Contract Source Code Verified

Contract NameLiquidityStoragerNative

Compiler Versionv0.8.17+commit.8df45f5f

Optimization EnabledNo

Other SettingsDefault evmVersion

Contract Source Code (Solidity)

1
// SPDX-License-Identifier: MIT
2
 
3
// OpenZeppelin Contracts
4
 
5
pragma solidity ^0.8.0;
6
/**
7
 * @dev Provides information about the current execution context, including the
8
 * sender of the transaction and its data. While these are generally available
9
 * via msg.sender and msg.data, they should not be accessed in such a direct
10
 * manner, since when dealing with meta-transactions the account sending and
11
 * paying for execution may not be the actual sender (as far as an application
12
 * is concerned).
13
 *
14
 * This contract is only required for intermediate, library-like contracts.
15
 */
16
abstract contract Context {
17
    function _msgSender() internal view virtual returns (address) {
18
        return msg.sender;
19
    }
20
 
21
    function _msgData() internal view virtual returns (bytes calldata) {
22
        return msg.data;
23
    }
24
 
25
    function _contextSuffixLength() internal view virtual returns (uint256) {
26
        return 0;
27
    }
28
}
29
 
30
pragma solidity ^0.8.0;
31
/**
32
 * @dev Contract module which provides a basic access control mechanism, where
33
 * there is an account (an owner) that can be granted exclusive access to
34
 * specific functions.
35
 *
36
 * By default, the owner account will be the one that deploys the contract. This
37
 * can later be changed with {transferOwnership}.
38
 *
39
 * This module is used through inheritance. It will make available the modifier
40
 * `onlyOwner`, which can be applied to your functions to restrict their use to
41
 * the owner.
42
 */
43
abstract contract Ownable is Context {
44
    address private _owner;
45
 
46
    event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
47
 
48
    /**
49
     * @dev Initializes the contract setting the deployer as the initial owner.
50
     */
51
    constructor() {
52
        _transferOwnership(_msgSender());
53
    }
54
 
55
    /**
56
     * @dev Throws if called by any account other than the owner.
57
     */
58
    modifier onlyOwner() {
59
        _checkOwner();
60
        _;
61
    }
62
 
63
    /**
64
     * @dev Returns the address of the current owner.
65
     */
66
    function owner() public view virtual returns (address) {
67
        return _owner;
68
    }
69
 
70
    /**
71
     * @dev Throws if the sender is not the owner.
72
     */
73
    function _checkOwner() internal view virtual {
74
        require(owner() == _msgSender(), "Ownable: caller is not the owner");
75
    }
76
 
77
    /**
78
     * @dev Leaves the contract without owner. It will not be possible to call
79
     * `onlyOwner` functions. Can only be called by the current owner.
80
     *
81
     * NOTE: Renouncing ownership will leave the contract without an owner,
82
     * thereby disabling any functionality that is only available to the owner.
83
     */
84
    function renounceOwnership() public virtual onlyOwner {
85
        _transferOwnership(address(0));
86
    }
87
 
88
    /**
89
     * @dev Transfers ownership of the contract to a new account (`newOwner`).
90
     * Can only be called by the current owner.
91
     */
92
    function transferOwnership(address newOwner) public virtual onlyOwner {
93
        require(newOwner != address(0), "Ownable: new owner is the zero address");
94
        _transferOwnership(newOwner);
95
    }
96
 
97
    /**
98
     * @dev Transfers ownership of the contract to a new account (`newOwner`).
99
     * Internal function without access restriction.
100
     */
101
    function _transferOwnership(address newOwner) internal virtual {
102
        address oldOwner = _owner;
103
        _owner = newOwner;
104
        emit OwnershipTransferred(oldOwner, newOwner);
105
    }
106
}
107
 
108
pragma solidity ^0.8.0;
109
/**
110
 * @dev Interface of the ERC20 standard as defined in the EIP.
111
 */
112
interface IERC20 {
113
    /**
114
     * @dev Emitted when `value` tokens are moved from one account (`from`) to
115
     * another (`to`).
116
     *
117
     * Note that `value` may be zero.
118
     */
119
    event Transfer(address indexed from, address indexed to, uint256 value);
120
 
121
    /**
122
     * @dev Emitted when the allowance of a `spender` for an `owner` is set by
123
     * a call to {approve}. `value` is the new allowance.
124
     */
125
    event Approval(address indexed owner, address indexed spender, uint256 value);
126
 
127
    /**
128
     * @dev Returns the amount of tokens in existence.
129
     */
130
    function totalSupply() external view returns (uint256);
131
 
132
    /**
133
     * @dev Returns the amount of tokens owned by `account`.
134
     */
135
    function balanceOf(address account) external view returns (uint256);
136
 
137
    /**
138
     * @dev Moves `amount` tokens from the caller's account to `to`.
139
     *
140
     * Returns a boolean value indicating whether the operation succeeded.
141
     *
142
     * Emits a {Transfer} event.
143
     */
144
    function transfer(address to, uint256 amount) external returns (bool);
145
 
146
    /**
147
     * @dev Returns the remaining number of tokens that `spender` will be
148
     * allowed to spend on behalf of `owner` through {transferFrom}. This is
149
     * zero by default.
150
     *
151
     * This value changes when {approve} or {transferFrom} are called.
152
     */
153
    function allowance(address owner, address spender) external view returns (uint256);
154
 
155
    /**
156
     * @dev Sets `amount` as the allowance of `spender` over the caller's tokens.
157
     *
158
     * Returns a boolean value indicating whether the operation succeeded.
159
     *
160
     * IMPORTANT: Beware that changing an allowance with this method brings the risk
161
     * that someone may use both the old and the new allowance by unfortunate
162
     * transaction ordering. One possible solution to mitigate this race
163
     * condition is to first reduce the spender's allowance to 0 and set the
164
     * desired value afterwards:
165
     * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
166
     *
167
     * Emits an {Approval} event.
168
     */
169
    function approve(address spender, uint256 amount) external returns (bool);
170
 
171
    /**
172
     * @dev Moves `amount` tokens from `from` to `to` using the
173
     * allowance mechanism. `amount` is then deducted from the caller's
174
     * allowance.
175
     *
176
     * Returns a boolean value indicating whether the operation succeeded.
177
     *
178
     * Emits a {Transfer} event.
179
     */
180
    function transferFrom(address from, address to, uint256 amount) external returns (bool);
181
}
182
 
183
pragma solidity ^0.8.0;
184
/**
185
 * @dev Interface for the optional metadata functions from the ERC20 standard.
186
 *
187
 * _Available since v4.1._
188
 */
189
interface IERC20Metadata is IERC20 {
190
    /**
191
     * @dev Returns the name of the token.
192
     */
193
    function name() external view returns (string memory);
194
 
195
    /**
196
     * @dev Returns the symbol of the token.
197
     */
198
    function symbol() external view returns (string memory);
199
 
200
    /**
201
     * @dev Returns the decimals places of the token.
202
     */
203
    function decimals() external view returns (uint8);
204
}
205
 
206
 
207
pragma solidity ^0.8.0;
208
/**
209
 * @dev Implementation of the {IERC20} interface.
210
 *
211
 * This implementation is agnostic to the way tokens are created. This means
212
 * that a supply mechanism has to be added in a derived contract using {_mint}.
213
 * For a generic mechanism see {ERC20PresetMinterPauser}.
214
 *
215
 * TIP: For a detailed writeup see our guide
216
 * https://forum.openzeppelin.com/t/how-to-implement-erc20-supply-mechanisms/226[How
217
 * to implement supply mechanisms].
218
 *
219
 * The default value of {decimals} is 18. To change this, you should override
220
 * this function so it returns a different value.
221
 *
222
 * We have followed general OpenZeppelin Contracts guidelines: functions revert
223
 * instead returning `false` on failure. This behavior is nonetheless
224
 * conventional and does not conflict with the expectations of ERC20
225
 * applications.
226
 *
227
 * Additionally, an {Approval} event is emitted on calls to {transferFrom}.
228
 * This allows applications to reconstruct the allowance for all accounts just
229
 * by listening to said events. Other implementations of the EIP may not emit
230
 * these events, as it isn't required by the specification.
231
 *
232
 * Finally, the non-standard {decreaseAllowance} and {increaseAllowance}
233
 * functions have been added to mitigate the well-known issues around setting
234
 * allowances. See {IERC20-approve}.
235
 */
236
contract ERC20 is Context, IERC20, IERC20Metadata {
237
    mapping(address => uint256) private _balances;
238
 
239
    mapping(address => mapping(address => uint256)) private _allowances;
240
 
241
    uint256 private _totalSupply;
242
 
243
    string private _name;
244
    string private _symbol;
245
 
246
    /**
247
     * @dev Sets the values for {name} and {symbol}.
248
     *
249
     * All two of these values are immutable: they can only be set once during
250
     * construction.
251
     */
252
    constructor(string memory name_, string memory symbol_) {
253
        _name = name_;
254
        _symbol = symbol_;
255
    }
256
 
257
    /**
258
     * @dev Returns the name of the token.
259
     */
260
    function name() public view virtual override returns (string memory) {
261
        return _name;
262
    }
263
 
264
    /**
265
     * @dev Returns the symbol of the token, usually a shorter version of the
266
     * name.
267
     */
268
    function symbol() public view virtual override returns (string memory) {
269
        return _symbol;
270
    }
271
 
272
    /**
273
     * @dev Returns the number of decimals used to get its user representation.
274
     * For example, if `decimals` equals `2`, a balance of `505` tokens should
275
     * be displayed to a user as `5.05` (`505 / 10 ** 2`).
276
     *
277
     * Tokens usually opt for a value of 18, imitating the relationship between
278
     * Ether and Wei. This is the default value returned by this function, unless
279
     * it's overridden.
280
     *
281
     * NOTE: This information is only used for _display_ purposes: it in
282
     * no way affects any of the arithmetic of the contract, including
283
     * {IERC20-balanceOf} and {IERC20-transfer}.
284
     */
285
    function decimals() public view virtual override returns (uint8) {
286
        return 18;
287
    }
288
 
289
    /**
290
     * @dev See {IERC20-totalSupply}.
291
     */
292
    function totalSupply() public view virtual override returns (uint256) {
293
        return _totalSupply;
294
    }
295
 
296
    /**
297
     * @dev See {IERC20-balanceOf}.
298
     */
299
    function balanceOf(address account) public view virtual override returns (uint256) {
300
        return _balances[account];
301
    }
302
 
303
    /**
304
     * @dev See {IERC20-transfer}.
305
     *
306
     * Requirements:
307
     *
308
     * - `to` cannot be the zero address.
309
     * - the caller must have a balance of at least `amount`.
310
     */
311
    function transfer(address to, uint256 amount) public virtual override returns (bool) {
312
        address owner = _msgSender();
313
        _transfer(owner, to, amount);
314
        return true;
315
    }
316
 
317
    /**
318
     * @dev See {IERC20-allowance}.
319
     */
320
    function allowance(address owner, address spender) public view virtual override returns (uint256) {
321
        return _allowances[owner][spender];
322
    }
323
 
324
    /**
325
     * @dev See {IERC20-approve}.
326
     *
327
     * NOTE: If `amount` is the maximum `uint256`, the allowance is not updated on
328
     * `transferFrom`. This is semantically equivalent to an infinite approval.
329
     *
330
     * Requirements:
331
     *
332
     * - `spender` cannot be the zero address.
333
     */
334
    function approve(address spender, uint256 amount) public virtual override returns (bool) {
335
        address owner = _msgSender();
336
        _approve(owner, spender, amount);
337
        return true;
338
    }
339
 
340
    /**
341
     * @dev See {IERC20-transferFrom}.
342
     *
343
     * Emits an {Approval} event indicating the updated allowance. This is not
344
     * required by the EIP. See the note at the beginning of {ERC20}.
345
     *
346
     * NOTE: Does not update the allowance if the current allowance
347
     * is the maximum `uint256`.
348
     *
349
     * Requirements:
350
     *
351
     * - `from` and `to` cannot be the zero address.
352
     * - `from` must have a balance of at least `amount`.
353
     * - the caller must have allowance for ``from``'s tokens of at least
354
     * `amount`.
355
     */
356
    function transferFrom(address from, address to, uint256 amount) public virtual override returns (bool) {
357
        address spender = _msgSender();
358
        _spendAllowance(from, spender, amount);
359
        _transfer(from, to, amount);
360
        return true;
361
    }
362
 
363
    /**
364
     * @dev Atomically increases the allowance granted to `spender` by the caller.
365
     *
366
     * This is an alternative to {approve} that can be used as a mitigation for
367
     * problems described in {IERC20-approve}.
368
     *
369
     * Emits an {Approval} event indicating the updated allowance.
370
     *
371
     * Requirements:
372
     *
373
     * - `spender` cannot be the zero address.
374
     */
375
    function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
376
        address owner = _msgSender();
377
        _approve(owner, spender, allowance(owner, spender) + addedValue);
378
        return true;
379
    }
380
 
381
    /**
382
     * @dev Atomically decreases the allowance granted to `spender` by the caller.
383
     *
384
     * This is an alternative to {approve} that can be used as a mitigation for
385
     * problems described in {IERC20-approve}.
386
     *
387
     * Emits an {Approval} event indicating the updated allowance.
388
     *
389
     * Requirements:
390
     *
391
     * - `spender` cannot be the zero address.
392
     * - `spender` must have allowance for the caller of at least
393
     * `subtractedValue`.
394
     */
395
    function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {
396
        address owner = _msgSender();
397
        uint256 currentAllowance = allowance(owner, spender);
398
        require(currentAllowance >= subtractedValue, "ERC20: decreased allowance below zero");
399
        unchecked {
400
            _approve(owner, spender, currentAllowance - subtractedValue);
401
        }
402
 
403
        return true;
404
    }
405
 
406
    /**
407
     * @dev Moves `amount` of tokens from `from` to `to`.
408
     *
409
     * This internal function is equivalent to {transfer}, and can be used to
410
     * e.g. implement automatic token fees, slashing mechanisms, etc.
411
     *
412
     * Emits a {Transfer} event.
413
     *
414
     * Requirements:
415
     *
416
     * - `from` cannot be the zero address.
417
     * - `to` cannot be the zero address.
418
     * - `from` must have a balance of at least `amount`.
419
     */
420
    function _transfer(address from, address to, uint256 amount) internal virtual {
421
        require(from != address(0), "ERC20: transfer from the zero address");
422
        require(to != address(0), "ERC20: transfer to the zero address");
423
 
424
        _beforeTokenTransfer(from, to, amount);
425
 
426
        uint256 fromBalance = _balances[from];
427
        require(fromBalance >= amount, "ERC20: transfer amount exceeds balance");
428
        unchecked {
429
            _balances[from] = fromBalance - amount;
430
            // Overflow not possible: the sum of all balances is capped by totalSupply, and the sum is preserved by
431
            // decrementing then incrementing.
432
            _balances[to] += amount;
433
        }
434
 
435
        emit Transfer(from, to, amount);
436
 
437
        _afterTokenTransfer(from, to, amount);
438
    }
439
 
440
    /** @dev Creates `amount` tokens and assigns them to `account`, increasing
441
     * the total supply.
442
     *
443
     * Emits a {Transfer} event with `from` set to the zero address.
444
     *
445
     * Requirements:
446
     *
447
     * - `account` cannot be the zero address.
448
     */
449
    function _mint(address account, uint256 amount) internal virtual {
450
        require(account != address(0), "ERC20: mint to the zero address");
451
 
452
        _beforeTokenTransfer(address(0), account, amount);
453
 
454
        _totalSupply += amount;
455
        unchecked {
456
            // Overflow not possible: balance + amount is at most totalSupply + amount, which is checked above.
457
            _balances[account] += amount;
458
        }
459
        emit Transfer(address(0), account, amount);
460
 
461
        _afterTokenTransfer(address(0), account, amount);
462
    }
463
 
464
    /**
465
     * @dev Destroys `amount` tokens from `account`, reducing the
466
     * total supply.
467
     *
468
     * Emits a {Transfer} event with `to` set to the zero address.
469
     *
470
     * Requirements:
471
     *
472
     * - `account` cannot be the zero address.
473
     * - `account` must have at least `amount` tokens.
474
     */
475
    function _burn(address account, uint256 amount) internal virtual {
476
        require(account != address(0), "ERC20: burn from the zero address");
477
 
478
        _beforeTokenTransfer(account, address(0), amount);
479
 
480
        uint256 accountBalance = _balances[account];
481
        require(accountBalance >= amount, "ERC20: burn amount exceeds balance");
482
        unchecked {
483
            _balances[account] = accountBalance - amount;
484
            // Overflow not possible: amount <= accountBalance <= totalSupply.
485
            _totalSupply -= amount;
486
        }
487
 
488
        emit Transfer(account, address(0), amount);
489
 
490
        _afterTokenTransfer(account, address(0), amount);
491
    }
492
 
493
    /**
494
     * @dev Sets `amount` as the allowance of `spender` over the `owner` s tokens.
495
     *
496
     * This internal function is equivalent to `approve`, and can be used to
497
     * e.g. set automatic allowances for certain subsystems, etc.
498
     *
499
     * Emits an {Approval} event.
500
     *
501
     * Requirements:
502
     *
503
     * - `owner` cannot be the zero address.
504
     * - `spender` cannot be the zero address.
505
     */
506
    function _approve(address owner, address spender, uint256 amount) internal virtual {
507
        require(owner != address(0), "ERC20: approve from the zero address");
508
        require(spender != address(0), "ERC20: approve to the zero address");
509
 
510
        _allowances[owner][spender] = amount;
511
        emit Approval(owner, spender, amount);
512
    }
513
 
514
    /**
515
     * @dev Updates `owner` s allowance for `spender` based on spent `amount`.
516
     *
517
     * Does not update the allowance amount in case of infinite allowance.
518
     * Revert if not enough allowance is available.
519
     *
520
     * Might emit an {Approval} event.
521
     */
522
    function _spendAllowance(address owner, address spender, uint256 amount) internal virtual {
523
        uint256 currentAllowance = allowance(owner, spender);
524
        if (currentAllowance != type(uint256).max) {
525
            require(currentAllowance >= amount, "ERC20: insufficient allowance");
526
            unchecked {
527
                _approve(owner, spender, currentAllowance - amount);
528
            }
529
        }
530
    }
531
 
532
    /**
533
     * @dev Hook that is called before any transfer of tokens. This includes
534
     * minting and burning.
535
     *
536
     * Calling conditions:
537
     *
538
     * - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens
539
     * will be transferred to `to`.
540
     * - when `from` is zero, `amount` tokens will be minted for `to`.
541
     * - when `to` is zero, `amount` of ``from``'s tokens will be burned.
542
     * - `from` and `to` are never both zero.
543
     *
544
     * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
545
     */
546
    function _beforeTokenTransfer(address from, address to, uint256 amount) internal virtual {}
547
 
548
    /**
549
     * @dev Hook that is called after any transfer of tokens. This includes
550
     * minting and burning.
551
     *
552
     * Calling conditions:
553
     *
554
     * - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens
555
     * has been transferred to `to`.
556
     * - when `from` is zero, `amount` tokens have been minted for `to`.
557
     * - when `to` is zero, `amount` of ``from``'s tokens have been burned.
558
     * - `from` and `to` are never both zero.
559
     *
560
     * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
561
     */
562
    function _afterTokenTransfer(address from, address to, uint256 amount) internal virtual {}
563
}
564
 
565
// Graphite Contracts
566
 
567
pragma solidity 0.8.17;
568
 
569
interface IFilterContract {
570
    function filter(address _sender, address _destination) external view returns(bool);
571
}
572
 
573
contract GraphiteToken is ERC20, Ownable {
574
    constructor(string memory name, string memory symbol)
575
        ERC20(name, symbol)
576
        Ownable() {}
577
 
578
    function mint(address to, uint256 amount) public onlyOwner {
579
        _mint(to, amount);
580
    }
581
 
582
    function _checkOwner() internal view override {
583
        require(owner() == _msgSender(), "LS103");
584
    }
585
}
586
 
587
contract WrappedGraphiteToken is GraphiteToken {
588
    address public immutable filterContract;
589
 
590
    constructor(string memory name, string memory symbol, address filter) GraphiteToken(name, symbol) {
591
        filterContract = filter;    
592
    }
593
 
594
    function _beforeTokenTransfer(address from, address to, uint256 amount) internal override {
595
        if (filterContract != address(0) && from != address(0)) {
596
            require(IFilterContract(filterContract).filter(from, to), "LS104");
597
        }
598
    }
599
 
600
    function withdraw(uint256 amount) external {
601
        _burn(msg.sender, amount);
602
        payable(msg.sender).transfer(amount);
603
    }
604
 
605
    function deposit() external payable {
606
        _mint(msg.sender, msg.value);
607
    }
608
}
609
 
610
/**
611
 * @title LiquidityStorager smart-contract
612
 * @notice Smart-contract stores liquidity for exchange crypto from one (source) chain to another
613
 * one (destination chain). When you need to exchange chain A native currency from chain A to
614
 * chain B currency to chain B you only need to call `swap` function with appropriate parameters
615
 * (check description of `swap` function for more details). Our backend is listening for
616
 * `SwapInitialized` event and if one has been emitted, they will call `redeem` function on the
617
 * destination chain with appropriate parameters (check description of `redeem` function for more details).
618
 */
619
contract LiquidityStoragerNative is WrappedGraphiteToken {
620
    uint256 public exchangeRoyalty = 1;
621
    uint256 private ownerBalance;
622
    uint256 internal minTransferAmount;
623
 
624
    enum RedeemStatus {
625
        UNKNOWN,
626
        HANDLED
627
    }
628
 
629
    mapping(bytes => RedeemStatus) public redeems;
630
 
631
    constructor(
632
        address newOwner,
633
        string memory name,
634
        string memory symbol,
635
        address filter,
636
        uint256 _minTransferAmount
637
    ) payable WrappedGraphiteToken(name, symbol, filter) {
638
        transferOwnership(newOwner);
639
        minTransferAmount = _minTransferAmount;
640
    }
641
 
642
    /**
643
     * EVENTS
644
     */
645
 
646
    /**
647
     * @notice emitted from `swap` function
648
     */
649
    event Swap(address to, uint256 chainId, uint256 value);
650
 
651
    /**
652
     * @notice emitted from `redeem` function
653
     */
654
    event Redeem(address to, uint256 value, RedeemStatus status);
655
 
656
    /**
657
     * FUNCTIONS
658
     */
659
 
660
    /**
661
     * @notice Allows you to start "swap" process from one chain to dest chain.
662
     * You need to call this function with value
663
     *
664
     * @param to address from dest chain to which one value will be sent
665
     * @param destChainId id of the dest chain
666
     */
667
    function swap(
668
        address to,
669
        uint256 destChainId
670
    ) external payable {
671
        require(destChainId != block.chainid, "LS203");
672
        require(msg.value >= minTransferAmount, "LS204");
673
 
674
        uint256 royalty = (msg.value / 100) * exchangeRoyalty;
675
        uint256 swapAmount = msg.value - royalty;
676
 
677
        ownerBalance += royalty;
678
 
679
        emit Swap(to, destChainId, swapAmount);
680
    }
681
 
682
    /**
683
     * @notice This function called by watcher in the destination network when they got `SwapInitialized` event.
684
     * if `signatures` are correct and if such message wasn't handled before, `to` address gets
685
     * `value.
686
     *
687
     * @param to address from dest chain to which one value will be sent
688
     * @param value value of currency that contract must send
689
     */
690
    function redeem(
691
        address to,
692
        uint256 value,
693
        bytes calldata redeemUID
694
    ) external onlyOwner {
695
        require(redeems[redeemUID] == RedeemStatus.UNKNOWN, "LS001");
696
 
697
        redeems[redeemUID] = RedeemStatus.HANDLED;
698
        payable(to).transfer(value);
699
 
700
        emit Redeem(to, value, redeems[redeemUID]);
701
    }
702
 
703
    /**
704
     * @notice Allows the Watcher to withdraw all liquidity or only some part (check amount desc)
705
     *
706
     * @param amount amount of liquidity that need to withdraw. If amount is equal to zero, then all available balance
707
     * will be withdraw
708
     */
709
    function withdrawRoyalty(uint256 amount) external onlyOwner {
710
        uint256 balance = getOwnerBalance();
711
        require(amount <= balance, "LS002");
712
 
713
        amount = amount == 0 ? balance : amount;
714
        ownerBalance -= amount;
715
        payable(msg.sender).transfer(amount);
716
    }
717
 
718
    /**
719
     * @notice This function called by owner to set new exchange royalty value
720
     * 
721
     * @param amount new percentage value of 
722
     */
723
    function setExchangeRoyalty(uint256 amount) external onlyOwner {
724
        require(amount >= 0 && amount <= 100, "LS003");
725
 
726
        exchangeRoyalty = amount;
727
    }
728
 
729
    /**
730
     * @notice This function called by owner to set new minimal transfer amount
731
     * 
732
     * @param amount new minimal transfer amount 
733
     */
734
    function setMinTransferAmount(uint256 amount) external onlyOwner {
735
        minTransferAmount = amount;
736
    }
737
 
738
    /**
739
     * VIEWS FUNCTIONS
740
     */
741
 
742
    /**
743
     * @notice This function returns the owner balance
744
     */
745
    function getOwnerBalance() public view returns (uint256) {
746
        return ownerBalance;
747
    }
748
 
749
    /**
750
     * @notice This function returns the minimal transfer amount
751
     */
752
    function getMinTransferAmount() external view returns (uint256) {
753
        return minTransferAmount;
754
    }
755
}

Contract ABI

[{"type": "constructor", "inputs": [{"name": "newOwner", "type": "address", "internalType": "address"}, {"name": "name", "type": "string", "internalType": "string"}, {"name": "symbol", "type": "string", "internalType": "string"}, {"name": "filter", "type": "address", "internalType": "address"}, {"name": "_minTransferAmount", "type": "uint256", "internalType": "uint256"}], "stateMutability": "payable"}, {"name": "Approval", "type": "event", "inputs": [{"name": "owner", "type": "address", "indexed": true, "internalType": "address"}, {"name": "spender", "type": "address", "indexed": true, "internalType": "address"}, {"name": "value", "type": "uint256", "indexed": false, "internalType": "uint256"}], "anonymous": false}, {"name": "OwnershipTransferred", "type": "event", "inputs": [{"name": "previousOwner", "type": "address", "indexed": true, "internalType": "address"}, {"name": "newOwner", "type": "address", "indexed": true, "internalType": "address"}], "anonymous": false}, {"name": "Redeem", "type": "event", "inputs": [{"name": "to", "type": "address", "indexed": false, "internalType": "address"}, {"name": "value", "type": "uint256", "indexed": false, "internalType": "uint256"}, {"name": "status", "type": "uint8", "indexed": false, "internalType": "enum LiquidityStoragerNative.RedeemStatus"}], "anonymous": false}, {"name": "Swap", "type": "event", "inputs": [{"name": "to", "type": "address", "indexed": false, "internalType": "address"}, {"name": "chainId", "type": "uint256", "indexed": false, "internalType": "uint256"}, {"name": "value", "type": "uint256", "indexed": false, "internalType": "uint256"}], "anonymous": false}, {"name": "Transfer", "type": "event", "inputs": [{"name": "from", "type": "address", "indexed": true, "internalType": "address"}, {"name": "to", "type": "address", "indexed": true, "internalType": "address"}, {"name": "value", "type": "uint256", "indexed": false, "internalType": "uint256"}], "anonymous": false}, {"name": "allowance", "type": "function", "inputs": [{"name": "owner", "type": "address", "internalType": "address"}, {"name": "spender", "type": "address", "internalType": "address"}], "outputs": [{"name": "", "type": "uint256", "internalType": "uint256"}], "stateMutability": "view"}, {"name": "approve", "type": "function", "inputs": [{"name": "spender", "type": "address", "internalType": "address"}, {"name": "amount", "type": "uint256", "internalType": "uint256"}], "outputs": [{"name": "", "type": "bool", "internalType": "bool"}], "stateMutability": "nonpayable"}, {"name": "balanceOf", "type": "function", "inputs": [{"name": "account", "type": "address", "internalType": "address"}], "outputs": [{"name": "", "type": "uint256", "internalType": "uint256"}], "stateMutability": "view"}, {"name": "decimals", "type": "function", "inputs": [], "outputs": [{"name": "", "type": "uint8", "internalType": "uint8"}], "stateMutability": "view"}, {"name": "decreaseAllowance", "type": "function", "inputs": [{"name": "spender", "type": "address", "internalType": "address"}, {"name": "subtractedValue", "type": "uint256", "internalType": "uint256"}], "outputs": [{"name": "", "type": "bool", "internalType": "bool"}], "stateMutability": "nonpayable"}, {"name": "deposit", "type": "function", "inputs": [], "outputs": [], "stateMutability": "payable"}, {"name": "exchangeRoyalty", "type": "function", "inputs": [], "outputs": [{"name": "", "type": "uint256", "internalType": "uint256"}], "stateMutability": "view"}, {"name": "filterContract", "type": "function", "inputs": [], "outputs": [{"name": "", "type": "address", "internalType": "address"}], "stateMutability": "view"}, {"name": "getMinTransferAmount", "type": "function", "inputs": [], "outputs": [{"name": "", "type": "uint256", "internalType": "uint256"}], "stateMutability": "view"}, {"name": "getOwnerBalance", "type": "function", "inputs": [], "outputs": [{"name": "", "type": "uint256", "internalType": "uint256"}], "stateMutability": "view"}, {"name": "increaseAllowance", "type": "function", "inputs": [{"name": "spender", "type": "address", "internalType": "address"}, {"name": "addedValue", "type": "uint256", "internalType": "uint256"}], "outputs": [{"name": "", "type": "bool", "internalType": "bool"}], "stateMutability": "nonpayable"}, {"name": "mint", "type": "function", "inputs": [{"name": "to", "type": "address", "internalType": "address"}, {"name": "amount", "type": "uint256", "internalType": "uint256"}], "outputs": [], "stateMutability": "nonpayable"}, {"name": "name", "type": "function", "inputs": [], "outputs": [{"name": "", "type": "string", "internalType": "string"}], "stateMutability": "view"}, {"name": "owner", "type": "function", "inputs": [], "outputs": [{"name": "", "type": "address", "internalType": "address"}], "stateMutability": "view"}, {"name": "redeem", "type": "function", "inputs": [{"name": "to", "type": "address", "internalType": "address"}, {"name": "value", "type": "uint256", "internalType": "uint256"}, {"name": "redeemUID", "type": "bytes", "internalType": "bytes"}], "outputs": [], "stateMutability": "nonpayable"}, {"name": "redeems", "type": "function", "inputs": [{"name": "", "type": "bytes", "internalType": "bytes"}], "outputs": [{"name": "", "type": "uint8", "internalType": "enum LiquidityStoragerNative.RedeemStatus"}], "stateMutability": "view"}, {"name": "renounceOwnership", "type": "function", "inputs": [], "outputs": [], "stateMutability": "nonpayable"}, {"name": "setExchangeRoyalty", "type": "function", "inputs": [{"name": "amount", "type": "uint256", "internalType": "uint256"}], "outputs": [], "stateMutability": "nonpayable"}, {"name": "setMinTransferAmount", "type": "function", "inputs": [{"name": "amount", "type": "uint256", "internalType": "uint256"}], "outputs": [], "stateMutability": "nonpayable"}, {"name": "swap", "type": "function", "inputs": [{"name": "to", "type": "address", "internalType": "address"}, {"name": "destChainId", "type": "uint256", "internalType": "uint256"}], "outputs": [], "stateMutability": "payable"}, {"name": "symbol", "type": "function", "inputs": [], "outputs": [{"name": "", "type": "string", "internalType": "string"}], "stateMutability": "view"}, {"name": "totalSupply", "type": "function", "inputs": [], "outputs": [{"name": "", "type": "uint256", "internalType": "uint256"}], "stateMutability": "view"}, {"name": "transfer", "type": "function", "inputs": [{"name": "to", "type": "address", "internalType": "address"}, {"name": "amount", "type": "uint256", "internalType": "uint256"}], "outputs": [{"name": "", "type": "bool", "internalType": "bool"}], "stateMutability": "nonpayable"}, {"name": "transferFrom", "type": "function", "inputs": [{"name": "from", "type": "address", "internalType": "address"}, {"name": "to", "type": "address", "internalType": "address"}, {"name": "amount", "type": "uint256", "internalType": "uint256"}], "outputs": [{"name": "", "type": "bool", "internalType": "bool"}], "stateMutability": "nonpayable"}, {"name": "transferOwnership", "type": "function", "inputs": [{"name": "newOwner", "type": "address", "internalType": "address"}], "outputs": [], "stateMutability": "nonpayable"}, {"name": "withdraw", "type": "function", "inputs": [{"name": "amount", "type": "uint256", "internalType": "uint256"}], "outputs": [], "stateMutability": "nonpayable"}, {"name": "withdrawRoyalty", "type": "function", "inputs": [{"name": "amount", "type": "uint256", "internalType": "uint256"}], "outputs": [], "stateMutability": "nonpayable"}]

Contract Creation Code

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