Transaction Hash:
Block:
18656887 at Nov-26-2023 03:58:23 PM +UTC
Transaction Fee:
0.00123472497849065 ETH
$3.10
Gas Used:
45,950 Gas / 26.871055027 Gwei
Emitted Events:
231 |
ProofNonReflectionTokenCutter.Approval( owner=[Sender] 0x44562f8a7f621ebdc33e871c577fd56a7946afaa, spender=0x00000000...43aC78BA3, value=4400000000000000 )
|
Account State Difference:
Address | Before | After | State Difference | ||
---|---|---|---|---|---|
0x133103Df...4e646E4a0 | |||||
0x44562F8A...A7946afAA |
0.090736465765220596 Eth
Nonce: 229
|
0.089501740786729946 Eth
Nonce: 230
| 0.00123472497849065 | ||
0x95222290...5CC4BAfe5
Miner
| (beaverbuild) | 7.082676438622989052 Eth | 7.082681033622989052 Eth | 0.000004595 |
Execution Trace
ProofNonReflectionTokenCutter.approve( spender=0x000000000022D473030F116dDEE9F6B43aC78BA3, amount=4400000000000000 ) => ( True )
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (token/ERC20/extensions/IERC20Metadata.sol) pragma solidity ^0.8.0; import "../IERC20.sol"; /** * @dev Interface for the optional metadata functions from the ERC20 standard. * * _Available since v4.1._ */ interface IERC20Metadata is IERC20 { /** * @dev Returns the name of the token. */ function name() external view returns (string memory); /** * @dev Returns the symbol of the token. */ function symbol() external view returns (string memory); /** * @dev Returns the decimals places of the token. */ function decimals() external view returns (uint8); } // SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.9.0) (token/ERC20/IERC20.sol) pragma solidity ^0.8.0; /** * @dev Interface of the ERC20 standard as defined in the EIP. */ interface IERC20 { /** * @dev Emitted when `value` tokens are moved from one account (`from`) to * another (`to`). * * Note that `value` may be zero. */ event Transfer(address indexed from, address indexed to, uint256 value); /** * @dev Emitted when the allowance of a `spender` for an `owner` is set by * a call to {approve}. `value` is the new allowance. */ event Approval(address indexed owner, address indexed spender, uint256 value); /** * @dev Returns the amount of tokens in existence. */ function totalSupply() external view returns (uint256); /** * @dev Returns the amount of tokens owned by `account`. */ function balanceOf(address account) external view returns (uint256); /** * @dev Moves `amount` tokens from the caller's account to `to`. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. */ function transfer(address to, uint256 amount) external returns (bool); /** * @dev Returns the remaining number of tokens that `spender` will be * allowed to spend on behalf of `owner` through {transferFrom}. This is * zero by default. * * This value changes when {approve} or {transferFrom} are called. */ function allowance(address owner, address spender) external view returns (uint256); /** * @dev Sets `amount` as the allowance of `spender` over the caller's tokens. * * Returns a boolean value indicating whether the operation succeeded. * * IMPORTANT: Beware that changing an allowance with this method brings the risk * that someone may use both the old and the new allowance by unfortunate * transaction ordering. One possible solution to mitigate this race * condition is to first reduce the spender's allowance to 0 and set the * desired value afterwards: * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729 * * Emits an {Approval} event. */ function approve(address spender, uint256 amount) external returns (bool); /** * @dev Moves `amount` tokens from `from` to `to` using the * allowance mechanism. `amount` is then deducted from the caller's * allowance. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. */ function transferFrom(address from, address to, uint256 amount) external returns (bool); } // SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.9.0) (token/ERC721/IERC721.sol) pragma solidity ^0.8.0; import "../../utils/introspection/IERC165.sol"; /** * @dev Required interface of an ERC721 compliant contract. */ interface IERC721 is IERC165 { /** * @dev Emitted when `tokenId` token is transferred from `from` to `to`. */ event Transfer(address indexed from, address indexed to, uint256 indexed tokenId); /** * @dev Emitted when `owner` enables `approved` to manage the `tokenId` token. */ event Approval(address indexed owner, address indexed approved, uint256 indexed tokenId); /** * @dev Emitted when `owner` enables or disables (`approved`) `operator` to manage all of its assets. */ event ApprovalForAll(address indexed owner, address indexed operator, bool approved); /** * @dev Returns the number of tokens in ``owner``'s account. */ function balanceOf(address owner) external view returns (uint256 balance); /** * @dev Returns the owner of the `tokenId` token. * * Requirements: * * - `tokenId` must exist. */ function ownerOf(uint256 tokenId) external view returns (address owner); /** * @dev Safely transfers `tokenId` token from `from` to `to`. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must exist and be owned by `from`. * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}. * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer. * * Emits a {Transfer} event. */ function safeTransferFrom(address from, address to, uint256 tokenId, bytes calldata data) external; /** * @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients * are aware of the ERC721 protocol to prevent tokens from being forever locked. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must exist and be owned by `from`. * - If the caller is not `from`, it must have been allowed to move this token by either {approve} or {setApprovalForAll}. * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer. * * Emits a {Transfer} event. */ function safeTransferFrom(address from, address to, uint256 tokenId) external; /** * @dev Transfers `tokenId` token from `from` to `to`. * * WARNING: Note that the caller is responsible to confirm that the recipient is capable of receiving ERC721 * or else they may be permanently lost. Usage of {safeTransferFrom} prevents loss, though the caller must * understand this adds an external call which potentially creates a reentrancy vulnerability. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must be owned by `from`. * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}. * * Emits a {Transfer} event. */ function transferFrom(address from, address to, uint256 tokenId) external; /** * @dev Gives permission to `to` to transfer `tokenId` token to another account. * The approval is cleared when the token is transferred. * * Only a single account can be approved at a time, so approving the zero address clears previous approvals. * * Requirements: * * - The caller must own the token or be an approved operator. * - `tokenId` must exist. * * Emits an {Approval} event. */ function approve(address to, uint256 tokenId) external; /** * @dev Approve or remove `operator` as an operator for the caller. * Operators can call {transferFrom} or {safeTransferFrom} for any token owned by the caller. * * Requirements: * * - The `operator` cannot be the caller. * * Emits an {ApprovalForAll} event. */ function setApprovalForAll(address operator, bool approved) external; /** * @dev Returns the account approved for `tokenId` token. * * Requirements: * * - `tokenId` must exist. */ function getApproved(uint256 tokenId) external view returns (address operator); /** * @dev Returns if the `operator` is allowed to manage all of the assets of `owner`. * * See {setApprovalForAll} */ function isApprovedForAll(address owner, address operator) external view returns (bool); } // SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (utils/introspection/IERC165.sol) pragma solidity ^0.8.0; /** * @dev Interface of the ERC165 standard, as defined in the * https://eips.ethereum.org/EIPS/eip-165[EIP]. * * Implementers can declare support of contract interfaces, which can then be * queried by others ({ERC165Checker}). * * For an implementation, see {ERC165}. */ interface IERC165 { /** * @dev Returns true if this contract implements the interface defined by * `interfaceId`. See the corresponding * https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section] * to learn more about how these ids are created. * * This function call must use less than 30 000 gas. */ function supportsInterface(bytes4 interfaceId) external view returns (bool); } // SPDX-License-Identifier: None pragma solidity ^0.8.17; interface IDividendDistributor { function setDistributionCriteria( uint256 _minPeriod, uint256 _minDistribution ) external; function setShare(address shareholder, uint256 amount) external; function deposit() external payable; function process(uint256 gas) external; function setMinPeriod(uint256 _minPeriod) external; function setMinDistribution(uint256 _minDistribution) external; function rewardTokenAddress() external view returns(address); }// SPDX-License-Identifier: None pragma solidity ^0.8.17; interface IFACTORY { function proofRevenueAddress() external view returns (address); function proofRewardPoolAddress() external view returns (address); }// SPDX-License-Identifier: None pragma solidity ^0.8.17; import "@openzeppelin/contracts/token/ERC20/IERC20.sol"; import "@openzeppelin/contracts/token/ERC20/extensions/IERC20Metadata.sol"; import "../libraries/ProofNonReflectionTokenFees.sol"; interface IProofNonReflectionTokenCutter is IERC20, IERC20Metadata { struct BaseData { string tokenName; string tokenSymbol; uint256 initialSupply; uint256 percentToLP; uint256 whitelistPeriod; address owner; address dev; address main; address routerAddress; address initialProofAdmin; address[] whitelists; address[] nftWhitelist; } struct WhitelistAdd_ { address [] whitelists; } function setBasicData( BaseData memory _baseData, ProofNonReflectionTokenFees.allFees memory fees ) external; function addMoreToWhitelist( WhitelistAdd_ memory _WhitelistAdd ) external; function updateWhitelistPeriod( uint256 _whitelistPeriod ) external; } // SPDX-License-Identifier: None pragma solidity ^0.8.17; interface IUniswapV2Factory { function createPair(address tokenA, address tokenB) external returns (address pair); }// SPDX-License-Identifier: None pragma solidity ^0.8.17; interface IUniswapV2Router02 { function swapExactTokensForETHSupportingFeeOnTransferTokens( uint256 amountIn, uint256 amountOutMin, address[] calldata path, address to, uint256 deadline ) external; function swapExactETHForTokensSupportingFeeOnTransferTokens( uint256 amountOutMin, address[] calldata path, address to, uint256 deadline ) external payable; function factory() external pure returns (address); function WETH() external pure returns (address); function addLiquidityETH( address token, uint256 amountTokenDesired, uint256 amountTokenMin, uint256 amountETHMin, address to, uint256 deadline ) external payable returns ( uint256 amountToken, uint256 amountETH, uint256 liquidity ); function removeLiquidityETH( address token, uint256 liquidity, uint256 amountTokenMin, uint256 amountETHMin, address to, uint256 deadline ) external returns (uint256 amountToken, uint256 amountETH); }// SPDX-License-Identifier: None pragma solidity ^0.8.17; abstract contract Context { function _msgSender() internal view virtual returns (address) { return msg.sender; } function _msgData() internal view virtual returns (bytes calldata) { return msg.data; } }// SPDX-License-Identifier: None pragma solidity ^0.8.17; import "./Context.sol"; 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(), "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), "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); } }// SPDX-License-Identifier: None pragma solidity ^0.8.17; library ProofNonReflectionTokenFees { struct allFees { uint256 mainFee; uint256 mainFeeOnSell; uint256 lpFee; uint256 lpFeeOnSell; uint256 devFee; uint256 devFeeOnSell; } }// SPDX-License-Identifier: None pragma solidity ^0.8.17; import "@openzeppelin/contracts/token/ERC721/IERC721.sol"; import "../libraries/Ownable.sol"; import "../libraries/Context.sol"; import "../libraries/ProofNonReflectionTokenFees.sol"; import "../interfaces/IFACTORY.sol"; import "../interfaces/IDividendDistributor.sol"; import "../interfaces/IUniswapV2Router02.sol"; import "../interfaces/IUniswapV2Factory.sol"; import "../interfaces/IProofNonReflectionTokenCutter.sol"; contract ProofNonReflectionTokenCutter is Context, IProofNonReflectionTokenCutter { //This token was created with PROOF, and audited by Solidity Finance — https://proofplatform.io/projects mapping(address => uint256) private _balances; mapping(address => mapping(address => uint256)) private _allowances; uint256 private _totalSupply; string private _name; string private _symbol; address constant DEAD = 0x000000000000000000000000000000000000dEaD; address constant ZERO = 0x0000000000000000000000000000000000000000; address payable public proofBurnerAddress; address public proofAdmin; uint256 public whitelistEndTime; uint256 public whitelistPeriod; bool public restrictWhales = true; mapping(address => bool) public userWhitelist; address[] public nftWhitelist; bool public whitelistMode = true; mapping(address => bool) public isFeeExempt; mapping(address => bool) public isTxLimitExempt; mapping(address => bool) public isDividendExempt; uint256 public launchedAt; uint256 public proofFee = 2; uint256 public mainFee; uint256 public lpFee; uint256 public devFee; uint256 public mainFeeOnSell; uint256 public lpFeeOnSell; uint256 public devFeeOnSell; uint256 public totalFee; uint256 public totalFeeIfSelling; IUniswapV2Router02 public router; address public pair; address public factory; address public tokenOwner; address payable public devWallet; address payable public mainWallet; bool inSwapAndLiquify; bool public swapAndLiquifyEnabled = true; bool public tradingStatus = true; uint256 public _maxTxAmount; uint256 public _walletMax; uint256 public swapThreshold; constructor() { factory = msg.sender; } modifier lockTheSwap() { inSwapAndLiquify = true; _; inSwapAndLiquify = false; } modifier onlyProofAdmin() { require( proofAdmin == _msgSender(), "Ownable: caller is not the proofAdmin" ); _; } modifier onlyOwner() { require(tokenOwner == _msgSender(), "Ownable: caller is not the owner"); _; } modifier onlyFactory() { require(factory == _msgSender(), "Ownable: caller is not the factory"); _; } function setBasicData( BaseData memory _baseData, ProofNonReflectionTokenFees.allFees memory fees ) external onlyFactory { _name = _baseData.tokenName; _symbol = _baseData.tokenSymbol; _totalSupply = _baseData.initialSupply; //Tx & Wallet Limits require(_baseData.percentToLP >= 70, "Too low");\t _maxTxAmount = (_baseData.initialSupply * 5) / 1000; _walletMax = (_baseData.initialSupply * 1) / 100; swapThreshold = (_baseData.initialSupply * 5) / 4000; router = IUniswapV2Router02(_baseData.routerAddress); pair = IUniswapV2Factory(router.factory()).createPair( router.WETH(), address(this) ); _allowances[address(this)][address(router)] = type(uint256).max; userWhitelist[address(this)] = true; userWhitelist[factory] = true; userWhitelist[pair] = true; userWhitelist[_baseData.owner] = true; userWhitelist[_baseData.initialProofAdmin] = true; userWhitelist[_baseData.routerAddress] = true; _addWhitelist(_baseData.whitelists); nftWhitelist = _baseData.nftWhitelist; isFeeExempt[address(this)] = true; isFeeExempt[factory] = true; isFeeExempt[_baseData.owner] = true; isTxLimitExempt[_baseData.owner] = true; isTxLimitExempt[pair] = true; isTxLimitExempt[factory] = true; isTxLimitExempt[DEAD] = true; isTxLimitExempt[ZERO] = true; whitelistPeriod = _baseData.whitelistPeriod; //Fees lpFee = fees.lpFee; lpFeeOnSell = fees.lpFeeOnSell; devFee = fees.devFee; devFeeOnSell = fees.devFeeOnSell; mainFee = fees.mainFee; mainFeeOnSell = fees.mainFeeOnSell; totalFee = devFee + lpFee + mainFee + proofFee; totalFeeIfSelling = devFeeOnSell + lpFeeOnSell + mainFeeOnSell + proofFee; require(totalFee <= 12, "Too high fee"); require(totalFeeIfSelling <= 17, "Too high sell fee"); tokenOwner = _baseData.owner; devWallet = payable(_baseData.dev); mainWallet = payable(_baseData.main); proofAdmin = _baseData.initialProofAdmin; //Initial supply uint256 forLP = (_baseData.initialSupply * _baseData.percentToLP) / 100; //95% uint256 forOwner = _baseData.initialSupply - forLP; //5% _balances[msg.sender] += forLP; _balances[_baseData.owner] += forOwner; emit Transfer(address(0), msg.sender, forLP); emit Transfer(address(0), _baseData.owner, forOwner); } //proofAdmin functions function updateWhitelistPeriod( uint256 _whitelistPeriod ) external onlyProofAdmin { whitelistPeriod = _whitelistPeriod; whitelistEndTime = launchedAt + (60 * _whitelistPeriod); whitelistMode = true; } function updateProofAdmin( address newAdmin ) external virtual onlyProofAdmin { proofAdmin = newAdmin; userWhitelist[newAdmin] = true; } function updateProofBurnerAddress( address newproofBurnerAddress ) external onlyProofAdmin { proofBurnerAddress = payable(newproofBurnerAddress); } //Factory functions function swapTradingStatus() external onlyFactory { tradingStatus = !tradingStatus; } function setLaunchedAt() external onlyFactory { require(launchedAt == 0, "already launched"); launchedAt = block.timestamp; whitelistEndTime = block.timestamp + (60 * whitelistPeriod); whitelistMode = true; } function cancelToken() external onlyFactory { isFeeExempt[address(router)] = true; isTxLimitExempt[address(router)] = true; isTxLimitExempt[tokenOwner] = true; tradingStatus = true; restrictWhales = false; swapAndLiquifyEnabled = false; } //Owner functions function changeFees( uint256 initialMainFee, uint256 initialMainFeeOnSell, uint256 initialLpFee, uint256 initialLpFeeOnSell, uint256 initialDevFee, uint256 initialDevFeeOnSell ) external onlyOwner { mainFee = initialMainFee; lpFee = initialLpFee; devFee = initialDevFee; mainFeeOnSell = initialMainFeeOnSell; lpFeeOnSell = initialLpFeeOnSell; devFeeOnSell = initialDevFeeOnSell; totalFee = devFee + lpFee + proofFee + mainFee; totalFeeIfSelling = devFeeOnSell + lpFeeOnSell + proofFee + mainFeeOnSell; require(totalFee <= 12, "Too high fee"); require(totalFeeIfSelling <= 17, "Too high fee"); } function changeTxLimit(uint256 newLimit) external onlyOwner { require(launchedAt != 0, "!launched"); require(newLimit >= (_totalSupply * 5) / 1000, "Min 0.5%");\t require(newLimit <= (_totalSupply * 3) / 100, "Max 3%"); _maxTxAmount = newLimit; } function changeWalletLimit(uint256 newLimit) external onlyOwner { require(launchedAt != 0, "!launched"); require(newLimit >= (_totalSupply * 5) / 1000, "Min 0.5%");\t require(newLimit <= (_totalSupply * 3) / 100, "Max 3%"); _walletMax = newLimit; } function changeRestrictWhales(bool newValue) external onlyOwner { require(launchedAt != 0, "!launched"); restrictWhales = newValue; } function changeIsFeeExempt(address holder, bool exempt) external onlyOwner { isFeeExempt[holder] = exempt; } function changeIsTxLimitExempt( address holder, bool exempt ) external onlyOwner { isTxLimitExempt[holder] = exempt; } function reduceProofFee() external onlyOwner { require(proofFee == 2, "!already reduced"); require(launchedAt != 0, "!launched"); require(block.timestamp >= launchedAt + 72 hours, "too soon"); proofFee = 1; totalFee = devFee + lpFee + proofFee + mainFee; totalFeeIfSelling = devFeeOnSell + lpFeeOnSell + proofFee + mainFeeOnSell; } function adjustProofFee(uint256 _proofFee) external onlyProofAdmin {\t require(launchedAt != 0, "!launched");\t if (block.timestamp >= launchedAt + 72 hours) {\t require(_proofFee <= 1);\t proofFee = _proofFee;\t totalFee = devFee + lpFee + proofFee + mainFee;\t totalFeeIfSelling =\t devFeeOnSell +\t lpFeeOnSell +\t proofFee +\t mainFeeOnSell;\t } else {\t require(_proofFee <= 2);\t proofFee = _proofFee;\t totalFee = devFee + lpFee + proofFee + mainFee;\t totalFeeIfSelling =\t devFeeOnSell +\t lpFeeOnSell +\t proofFee +\t mainFeeOnSell;\t }\t } function setDevWallet(address payable newDevWallet) external onlyOwner { devWallet = payable(newDevWallet); } function setMainWallet(address payable newMainWallet) external onlyOwner { mainWallet = newMainWallet; } function setOwnerWallet(address payable newOwnerWallet) external onlyOwner { tokenOwner = newOwnerWallet; } function changeSwapBackSettings( bool enableSwapBack, uint256 newSwapBackLimit ) external onlyOwner { swapAndLiquifyEnabled = enableSwapBack; swapThreshold = newSwapBackLimit; } function isWhitelisted(address user) public view returns (bool) { return userWhitelist[user]; } function holdsSupportedNFT(address user) public view returns (bool) { for (uint256 i = 0; i < nftWhitelist.length; i++) { if (IERC721(nftWhitelist[i]).balanceOf(user) > 0) { return true; } } return false; } function getCirculatingSupply() external view returns (uint256) { return _totalSupply - balanceOf(DEAD) - balanceOf(ZERO); } /** * @dev Returns the name of the token. */ function name() external view virtual override returns (string memory) { return _name; } /** * @dev Returns the symbol of the token, usually a shorter version of the * name. */ function symbol() external view virtual override returns (string memory) { return _symbol; } /** * @dev Returns the number of decimals used to get its user representation. * For example, if `decimals` equals `2`, a balance of `505` tokens should * be displayed to a user as `5.05` (`505 / 10 ** 2`). * * Tokens usually opt for a value of 18, imitating the relationship between * Ether and Wei. This is the value {ERC20} uses, unless this function is * overridden; * * NOTE: This information is only used for _display_ purposes: it in * no way affects any of the arithmetic of the contract, including * {IERC20-balanceOf} and {IERC20-transfer}. */ function decimals() external view virtual override returns (uint8) { return 9; } /** * @dev See {IERC20-totalSupply}. */ function totalSupply() external view virtual override returns (uint256) { return _totalSupply; } /** * @dev See {IERC20-balanceOf}. */ function balanceOf( address account ) public view virtual override returns (uint256) { return _balances[account]; } /** * @dev See {IERC20-transfer}. * * Requirements: * * - `to` cannot be the zero address. * - the caller must have a balance of at least `amount`. */ function transfer( address to, uint256 amount ) external virtual override returns (bool) { address owner = _msgSender(); _transfer(owner, to, amount); return true; } /** * @dev See {IERC20-allowance}. */ function allowance( address owner, address spender ) public view virtual override returns (uint256) { return _allowances[owner][spender]; } /** * @dev See {IERC20-approve}. * * NOTE: If `amount` is the maximum `uint256`, the allowance is not updated on * `transferFrom`. This is semantically equivalent to an infinite approval. * * Requirements: * * - `spender` cannot be the zero address. */ function approve( address spender, uint256 amount ) external virtual override returns (bool) { address owner = _msgSender(); _approve(owner, spender, amount); return true; } /** * * @dev See {IERC20-transferFrom}. * * Emits an {Approval} event indicating the updated allowance. This is not * required by the EIP. See the note at the beginning of {ERC20}. * * NOTE: Does not update the allowance if the current allowance * is the maximum `uint256`. * * Requirements: * * - `from` and `to` cannot be the zero address. * - `from` must have a balance of at least `amount`. * - the caller must have allowance for ``from``'s tokens of at least * `amount`. */ function transferFrom( address from, address to, uint256 amount ) external virtual override returns (bool) { address spender = _msgSender(); _spendAllowance(from, spender, amount); _transfer(from, to, amount); return true; } /** * @dev Atomically increases the allowance granted to `spender` by the caller. * * This is an alternative to {approve} that can be used as a mitigation for * problems described in {IERC20-approve}. * * Emits an {Approval} event indicating the updated allowance. * * Requirements: * * - `spender` cannot be the zero address. */ function increaseAllowance( address spender, uint256 addedValue ) external virtual returns (bool) { address owner = _msgSender(); _approve(owner, spender, _allowances[owner][spender] + addedValue); return true; } /** * @dev Atomically decreases the allowance granted to `spender` by the caller. * * This is an alternative to {approve} that can be used as a mitigation for * problems described in {IERC20-approve}. * * Emits an {Approval} event indicating the updated allowance. * * Requirements: * * - `spender` cannot be the zero address. * - `spender` must have allowance for the caller of at least * `subtractedValue`. */ function decreaseAllowance( address spender, uint256 subtractedValue ) external virtual returns (bool) { address owner = _msgSender(); uint256 currentAllowance = _allowances[owner][spender]; require( currentAllowance >= subtractedValue, "ERC20: decreased allowance below zero" ); unchecked { _approve(owner, spender, currentAllowance - subtractedValue); } return true; } function _transfer( address sender, address recipient, uint256 amount ) internal returns (bool) { require(tradingStatus, "Trading Closed"); if(whitelistMode) { if (block.timestamp >= whitelistEndTime ) { whitelistMode = false; } else { if (sender == pair) { //buy require(isWhitelisted(recipient) || holdsSupportedNFT(recipient), "Not whitelisted"); } else if (recipient == pair) { //sell require(isWhitelisted(sender) || holdsSupportedNFT(sender), "Not whitelisted"); } else { //transfer require((isWhitelisted(sender) || holdsSupportedNFT(sender)) && (isWhitelisted(recipient) || holdsSupportedNFT(recipient)), "Not Whitelisted"); } } } if (inSwapAndLiquify) { return _basicTransfer(sender, recipient, amount); } if (recipient == pair && restrictWhales) {\t require(\t amount <= _maxTxAmount ||\t (isTxLimitExempt[sender] && isTxLimitExempt[recipient]),\t "Max TX"\t );\t }\t if (!isTxLimitExempt[recipient] && restrictWhales) {\t require(_balances[recipient] + amount <= _walletMax, "Max Wallet");\t } if ( sender != pair && !inSwapAndLiquify && swapAndLiquifyEnabled && _balances[address(this)] >= swapThreshold ) { swapBack(); } _balances[sender] = _balances[sender] - amount; uint256 finalAmount = amount; if (sender == pair || recipient == pair) { finalAmount = !isFeeExempt[sender] && !isFeeExempt[recipient] ? takeFee(sender, recipient, amount) : amount; } _balances[recipient] = _balances[recipient] + finalAmount; emit Transfer(sender, recipient, finalAmount); return true; } function _basicTransfer( address sender, address recipient, uint256 amount ) internal returns (bool) { _balances[sender] = _balances[sender] - amount; _balances[recipient] = _balances[recipient] + amount; emit Transfer(sender, recipient, amount); return true; } /** @dev Creates `amount` tokens and assigns them to `account`, increasing * the total supply. * * Emits a {Transfer} event with `from` set to the zero address. * * Requirements: * * - `account` cannot be the zero address. */ /** * @dev Sets `amount` as the allowance of `spender` over the `owner` s tokens. * * This internal function is equivalent to `approve`, and can be used to * e.g. set automatic allowances for certain subsystems, etc. * * Emits an {Approval} event. * * Requirements: * * - `owner` cannot be the zero address. * - `spender` cannot be the zero address. */ function _approve( address owner, address spender, uint256 amount ) internal virtual { require(owner != address(0), "ERC20: approve from the zero address"); require(spender != address(0), "ERC20: approve to the zero address"); _allowances[owner][spender] = amount; emit Approval(owner, spender, amount); } /** * @dev Spend `amount` form the allowance of `owner` toward `spender`. * * Does not update the allowance amount in case of infinite allowance. * Revert if not enough allowance is available. * * Might emit an {Approval} event. */ function _spendAllowance( address owner, address spender, uint256 amount ) internal virtual { uint256 currentAllowance = allowance(owner, spender); if (currentAllowance != type(uint256).max) { require( currentAllowance >= amount, "ERC20: insufficient allowance" ); unchecked { _approve(owner, spender, currentAllowance - amount); } } } function takeFee( address sender, address recipient, uint256 amount ) internal returns (uint256) { uint256 feeApplicable = pair == recipient ? totalFeeIfSelling : totalFee; uint256 feeAmount = (amount * feeApplicable) / 100; _balances[address(this)] = _balances[address(this)] + feeAmount; emit Transfer(sender, address(this), feeAmount); return amount - feeAmount; } function swapBack() internal lockTheSwap { uint256 tokensToLiquify = _balances[address(this)]; uint256 amountToLiquify; uint256 devBalance; uint256 proofBalance; uint256 amountEthLiquidity; // Use sell ratios if buy tax too low if (totalFee <= 2) { amountToLiquify = (tokensToLiquify * lpFeeOnSell) / totalFeeIfSelling / 2; } else { amountToLiquify = (tokensToLiquify * lpFee) / totalFee / 2; } uint256 amountToSwap = tokensToLiquify - amountToLiquify; if (amountToSwap == 0) return; address[] memory path = new address[](2); path[0] = address(this); path[1] = router.WETH(); router.swapExactTokensForETHSupportingFeeOnTransferTokens( amountToSwap, 0, path, address(this), block.timestamp ); uint256 amountETH = address(this).balance; // Use sell ratios if buy tax too low if (totalFee <= 2) { amountEthLiquidity = (amountETH * lpFeeOnSell) / totalFeeIfSelling / 2; } else { amountEthLiquidity = (amountETH * lpFee) / totalFee / 2; } if (amountToLiquify > 0) { router.addLiquidityETH{value: amountEthLiquidity}( address(this), amountToLiquify, 0, 0, 0x000000000000000000000000000000000000dEaD, block.timestamp ); } uint256 amountETHafterLP = address(this).balance; // Use sell ratios if buy tax too low if (totalFee <= 2) { devBalance = (amountETHafterLP * devFeeOnSell) / totalFeeIfSelling; proofBalance = (amountETHafterLP * proofFee) / totalFeeIfSelling; } else { devBalance = (amountETHafterLP * devFee) / totalFee; proofBalance = (amountETHafterLP * proofFee) / totalFee; } uint256 amountEthMain = amountETHafterLP - devBalance - proofBalance; if (amountETH > 0) { if (proofBalance > 0) { uint256 revenueSplit = proofBalance / 2; (bool sent, ) = payable(IFACTORY(factory).proofRevenueAddress()).call{value: revenueSplit}(""); require(sent); (bool sent1, ) = payable(IFACTORY(factory).proofRewardPoolAddress()).call{value: revenueSplit}(""); require(sent1); } if (devBalance > 0) { (bool sent, ) = devWallet.call{value: devBalance}(""); require(sent); } if (amountEthMain > 0) { (bool sent1, ) = mainWallet.call{value: amountEthMain}(""); require(sent1); } } } function _addWhitelist(address[] memory _whitelists) internal { uint256 length = _whitelists.length; for (uint256 i = 0; i < length; i++) { userWhitelist[_whitelists[i]] = true; } } function addMoreToWhitelist(WhitelistAdd_ memory _WhitelistAdd) external onlyFactory { _addWhitelist(_WhitelistAdd.whitelists); } receive() external payable {} }