{"language":"Solidity","sources":{"contracts/contracts/BasicToken.sol":{"content":"// SPDX-License-Identifier: MIT\npragma solidity ^0.8.36;\n\nimport {ERC20} from \"@openzeppelin/contracts/token/ERC20/ERC20.sol\";\nimport {Ownable} from \"@openzeppelin/contracts/access/Ownable.sol\";\n\n/// @title BasicToken\n/// @notice Fixed-supply ERC-20 token for the Basic package.\ncontract BasicToken is ERC20, Ownable {\n error InvalidOwner();\n error InvalidSupply();\n error InvalidDecimals();\n error FeeTransferFailed();\n\n uint8 private immutable _customDecimals;\n\n constructor(\n string memory name_,\n string memory symbol_,\n uint8 decimals_,\n uint256 totalSupply_,\n address owner_,\n address feeReceiver_\n ) payable ERC20(name_, symbol_) Ownable(owner_) {\n if (owner_ == address(0)) revert InvalidOwner();\n if (totalSupply_ == 0) revert InvalidSupply();\n if (decimals_ > 18) revert InvalidDecimals();\n\n _customDecimals = decimals_;\n _mint(owner_, totalSupply_ * 10 ** decimals_);\n _forwardFee(feeReceiver_);\n }\n\n function decimals() public view override returns (uint8) {\n return _customDecimals;\n }\n\n function generator() external pure returns (string memory) {\n return \"https://tokengeneratorapp.com\";\n }\n\n function _forwardFee(address feeReceiver_) private {\n if (msg.value == 0 || feeReceiver_ == address(0)) return;\n\n (bool ok,) = payable(feeReceiver_).call{value: msg.value}(\"\");\n if (!ok) revert FeeTransferFailed();\n }\n}\n"},"contracts/contracts/StandardToken.sol":{"content":"// SPDX-License-Identifier: MIT\npragma solidity ^0.8.36;\n\nimport {ERC20} from \"@openzeppelin/contracts/token/ERC20/ERC20.sol\";\nimport {ERC20Pausable} from \"@openzeppelin/contracts/token/ERC20/extensions/ERC20Pausable.sol\";\nimport {Ownable} from \"@openzeppelin/contracts/access/Ownable.sol\";\n\n/// @title StandardToken\n/// @notice ERC-20 token with optional owner controls, whitelist, and independent transfer limits.\ncontract StandardToken is ERC20, ERC20Pausable, Ownable {\n error InvalidOwner();\n error InvalidSupply();\n error InvalidDecimals();\n error InvalidLimit();\n error InvalidAddress();\n error FeatureDisabled();\n error CannotBlacklistOwner();\n error BlacklistedAccount();\n error AddressNotWhitelisted();\n error MaxTxExceeded();\n error MaxWalletExceeded();\n error FeeTransferFailed();\n error InvalidCap();\n error CapExceeded();\n error UnsafeRenounce();\n\n uint256 private constant BPS = 10_000;\n uint256 private constant MIN_LIMIT_BPS = 10;\n\n uint256 public immutable maximumSupply;\n uint8 private immutable _customDecimals;\n uint16 private immutable _features;\n\n uint256 public maxWalletAmount;\n uint256 public maxTxAmount;\n bool public maxWalletActive;\n bool public maxTxActive;\n bool public whitelistActive;\n\n mapping(address account => bool) private _blacklisted;\n mapping(address account => bool) private _whitelisted;\n mapping(address account => bool) public isLimitExempt;\n\n uint16 private constant FEATURE_BURN = 1 << 0;\n uint16 private constant FEATURE_MINT = 1 << 1;\n uint16 private constant FEATURE_PAUSE = 1 << 2;\n uint16 private constant FEATURE_BLACKLIST = 1 << 3;\n uint16 private constant FEATURE_WHITELIST = 1 << 4;\n uint16 private constant FEATURE_MAX_WALLET = 1 << 5;\n uint16 private constant FEATURE_MAX_TX = 1 << 6;\n\n uint16 private constant FEATURE_CAP = 1 << 7;\n uint16 private constant FEATURE_TRANSFER_OWNERSHIP = 1 << 8;\n uint16 private constant FEATURE_RENOUNCE = 1 << 9;\n\n event BlacklistUpdated(address indexed account, bool blocked);\n event WhitelistUpdated(address indexed account, bool allowed);\n event WhitelistStatusUpdated(bool enabled);\n event LimitExemptUpdated(address indexed account, bool exempt);\n event MaxWalletUpdated(uint256 amount, bool enabled);\n event MaxTransactionUpdated(uint256 amount, bool enabled);\n\n constructor(\n string memory name_,\n string memory symbol_,\n uint8 decimals_,\n uint256 totalSupply_,\n address owner_,\n address feeReceiver_,\n bool[10] memory features_,\n uint256[2] memory limitBps_,\n address[] memory initialWhitelist_,\n uint256 maximumSupply_\n ) payable ERC20(name_, symbol_) Ownable(owner_) {\n if (owner_ == address(0)) revert InvalidOwner();\n if (totalSupply_ == 0) revert InvalidSupply();\n if (decimals_ > 18) revert InvalidDecimals();\n\n _validateLimit(features_[5], limitBps_[0]);\n _validateLimit(features_[6], limitBps_[1]);\n\n if (features_[7] && (!features_[1] || maximumSupply_ < totalSupply_)) revert InvalidCap();\n maximumSupply = features_[7] ? maximumSupply_ * 10 ** decimals_ : 0;\n _customDecimals = decimals_;\n _features = _packFeatures(features_);\n\n uint256 supply = totalSupply_ * 10 ** decimals_;\n maxWalletAmount = features_[5] ? (supply * limitBps_[0]) / BPS : supply;\n maxTxAmount = features_[6] ? (supply * limitBps_[1]) / BPS : supply;\n if ((features_[5] && maxWalletAmount == 0) || (features_[6] && maxTxAmount == 0)) revert InvalidLimit();\n maxWalletActive = features_[5];\n maxTxActive = features_[6];\n whitelistActive = features_[4];\n\n _whitelisted[owner_] = true;\n _whitelisted[address(this)] = true;\n isLimitExempt[owner_] = true;\n isLimitExempt[address(this)] = true;\n\n for (uint256 i; i < initialWhitelist_.length; ++i) {\n _setWhitelist(initialWhitelist_[i], true);\n }\n\n _mint(owner_, supply);\n _forwardFee(feeReceiver_);\n }\n\n function decimals() public view override returns (uint8) { return _customDecimals; }\n\n function generator() external pure returns (string memory) {\n return \"https://tokengeneratorapp.com\";\n }\n\n function cappedSupplyEnabled() public view returns (bool) { return _hasFeature(FEATURE_CAP); }\n function ownershipTransferEnabled() public view returns (bool) { return _hasFeature(FEATURE_TRANSFER_OWNERSHIP); }\n function renounceOwnershipEnabled() public view returns (bool) { return _hasFeature(FEATURE_RENOUNCE); }\n\n function burnEnabled() public view returns (bool) { return _hasFeature(FEATURE_BURN); }\n function mintEnabled() public view returns (bool) { return _hasFeature(FEATURE_MINT); }\n function pauseEnabled() public view returns (bool) { return _hasFeature(FEATURE_PAUSE); }\n function blacklistEnabled() public view returns (bool) { return _hasFeature(FEATURE_BLACKLIST); }\n function whitelistEnabled() public view returns (bool) { return _hasFeature(FEATURE_WHITELIST); }\n function maxWalletEnabled() public view returns (bool) { return _hasFeature(FEATURE_MAX_WALLET); }\n function maxTransactionEnabled() public view returns (bool) { return _hasFeature(FEATURE_MAX_TX); }\n\n function burn(uint256 amount) external {\n if (!burnEnabled()) revert FeatureDisabled();\n _burn(msg.sender, amount);\n }\n\n function burnFrom(address account, uint256 amount) external {\n if (!burnEnabled()) revert FeatureDisabled();\n _spendAllowance(account, msg.sender, amount);\n _burn(account, amount);\n }\n\n function mint(address to, uint256 amount) external onlyOwner {\n if (!mintEnabled()) revert FeatureDisabled();\n _mint(to, amount);\n }\n\n function pause() external onlyOwner {\n if (!pauseEnabled()) revert FeatureDisabled();\n _pause();\n }\n\n function unpause() external onlyOwner {\n if (!pauseEnabled()) revert FeatureDisabled();\n _unpause();\n }\n\n function blacklist(address account) external onlyOwner {\n if (!blacklistEnabled()) revert FeatureDisabled();\n if (account == owner()) revert CannotBlacklistOwner();\n _blacklisted[account] = true;\n emit BlacklistUpdated(account, true);\n }\n\n function unblacklist(address account) external onlyOwner {\n if (!blacklistEnabled()) revert FeatureDisabled();\n _blacklisted[account] = false;\n emit BlacklistUpdated(account, false);\n }\n\n function isBlacklisted(address account) external view returns (bool) { return _blacklisted[account]; }\n\n function setWhitelist(address account, bool allowed) external onlyOwner {\n if (!whitelistEnabled()) revert FeatureDisabled();\n _setWhitelist(account, allowed);\n }\n\n function setWhitelistEnabled(bool enabled) external onlyOwner {\n if (!whitelistEnabled()) revert FeatureDisabled();\n whitelistActive = enabled;\n emit WhitelistStatusUpdated(enabled);\n }\n\n function isWhitelisted(address account) external view returns (bool) { return _whitelisted[account]; }\n\n function setExemptFromLimits(address account, bool exempt) external onlyOwner {\n if (account == address(0)) revert InvalidAddress();\n isLimitExempt[account] = exempt;\n emit LimitExemptUpdated(account, exempt);\n }\n\n function setMaxWallet(uint256 amount, bool enabled) external onlyOwner {\n if (!maxWalletEnabled()) revert FeatureDisabled();\n if (enabled && (amount == 0 || amount < totalSupply() / 1_000)) revert InvalidLimit();\n maxWalletAmount = amount;\n maxWalletActive = enabled;\n emit MaxWalletUpdated(amount, enabled);\n }\n\n function setMaxTransaction(uint256 amount, bool enabled) external onlyOwner {\n if (!maxTransactionEnabled()) revert FeatureDisabled();\n if (enabled && (amount == 0 || amount < totalSupply() / 1_000)) revert InvalidLimit();\n maxTxAmount = amount;\n maxTxActive = enabled;\n emit MaxTransactionUpdated(amount, enabled);\n }\n\n function transferOwnership(address newOwner) public override onlyOwner {\n if (!ownershipTransferEnabled()) revert FeatureDisabled();\n address oldOwner = owner();\n super.transferOwnership(newOwner);\n _migrateOwnerAccess(oldOwner, newOwner);\n }\n\n function renounceOwnership() public override onlyOwner {\n if (!renounceOwnershipEnabled()) revert FeatureDisabled();\n if (paused()) revert UnsafeRenounce();\n address oldOwner = owner();\n super.renounceOwnership();\n _migrateOwnerAccess(oldOwner, address(0));\n }\n\n function _update(address from, address to, uint256 value) internal override(ERC20, ERC20Pausable) {\n if (from == address(0) && cappedSupplyEnabled() && totalSupply() + value > maximumSupply) revert CapExceeded();\n bool regularTransfer = from != address(0) && to != address(0);\n\n if (regularTransfer && blacklistEnabled() && (_blacklisted[from] || _blacklisted[to])) {\n revert BlacklistedAccount();\n }\n if (regularTransfer && whitelistActive && (!_whitelisted[from] || !_whitelisted[to])) {\n revert AddressNotWhitelisted();\n }\n if (regularTransfer && maxTxActive && !isLimitExempt[from] && !isLimitExempt[to] && value > maxTxAmount) {\n revert MaxTxExceeded();\n }\n if (regularTransfer && maxWalletActive && !isLimitExempt[to] && balanceOf(to) + value > maxWalletAmount) {\n revert MaxWalletExceeded();\n }\n\n super._update(from, to, value);\n }\n\n function _setWhitelist(address account, bool allowed) private {\n if (account == address(0)) revert InvalidAddress();\n _whitelisted[account] = allowed;\n emit WhitelistUpdated(account, allowed);\n }\n\n function _migrateOwnerAccess(address oldOwner, address newOwner) private {\n if (oldOwner != address(0)) {\n _whitelisted[oldOwner] = false;\n isLimitExempt[oldOwner] = false;\n }\n if (newOwner != address(0)) {\n _blacklisted[newOwner] = false;\n _whitelisted[newOwner] = true;\n isLimitExempt[newOwner] = true;\n }\n }\n\n function _hasFeature(uint16 feature) private view returns (bool) { return _features & feature != 0; }\n\n function _packFeatures(bool[10] memory enabled) private pure returns (uint16 features) {\n if (enabled[0]) features |= FEATURE_BURN;\n if (enabled[1]) features |= FEATURE_MINT;\n if (enabled[2]) features |= FEATURE_PAUSE;\n if (enabled[3]) features |= FEATURE_BLACKLIST;\n if (enabled[4]) features |= FEATURE_WHITELIST;\n if (enabled[5]) features |= FEATURE_MAX_WALLET;\n if (enabled[6]) features |= FEATURE_MAX_TX;\n if (enabled[7]) features |= FEATURE_CAP;\n if (enabled[8]) features |= FEATURE_TRANSFER_OWNERSHIP;\n if (enabled[9]) features |= FEATURE_RENOUNCE;\n }\n\n function _validateLimit(bool enabled, uint256 limitBps) private pure {\n if (enabled && (limitBps < MIN_LIMIT_BPS || limitBps > BPS)) revert InvalidLimit();\n }\n\n function _forwardFee(address feeReceiver_) private {\n if (msg.value == 0 || feeReceiver_ == address(0)) return;\n (bool ok,) = payable(feeReceiver_).call{value: msg.value}(\"\");\n if (!ok) revert FeeTransferFailed();\n }\n}\n"},"contracts/contracts/PremiumToken.sol":{"content":"// SPDX-License-Identifier: MIT\npragma solidity ^0.8.36;\n\nimport {IERC20} from \"@openzeppelin/contracts/token/ERC20/IERC20.sol\";\nimport {SafeERC20} from \"@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol\";\nimport {ERC20} from \"@openzeppelin/contracts/token/ERC20/ERC20.sol\";\nimport {ERC20Pausable} from \"@openzeppelin/contracts/token/ERC20/extensions/ERC20Pausable.sol\";\nimport {Ownable} from \"@openzeppelin/contracts/access/Ownable.sol\";\n\n/// @title PremiumToken\n/// @notice ERC-20 token with modular launch controls, transfer limits, and tax distribution.\n/// @dev Tax and burn transfers call the parent implementation directly to avoid recursive taxation.\ncontract PremiumToken is ERC20, ERC20Pausable, Ownable {\n using SafeERC20 for IERC20;\n\n error InvalidOwner();\n error InvalidSupply();\n error InvalidDecimals();\n error InvalidTax();\n error InvalidLimit();\n error InvalidAddress();\n error FeatureDisabled();\n error CannotBlacklistOwner();\n error BlacklistedAccount();\n error AddressNotWhitelisted();\n error TradingDisabled();\n error MaxTxExceeded();\n error MaxWalletExceeded();\n error NothingToWithdraw();\n error FeeTransferFailed();\n error InvalidCap();\n error CapExceeded();\n error UnsafeRenounce();\n error InvalidLaunchConfiguration();\n error LaunchAlreadyStarted();\n error LaunchCannotBeRelocked();\n\n uint256 public constant MAX_TAX = 2_500;\n uint256 private constant BPS = 10_000;\n uint256 private constant MIN_LIMIT_BPS = 10;\n\n uint256 public immutable protectionBlocks;\n uint256 public immutable launchMaxTxAmount;\n uint256 public immutable launchMaxWalletAmount;\n uint256 public launchBlock;\n uint256 public protectionEndBlock;\n bool public launchStarted;\n uint16 private constant FEATURE_LAUNCH_PROTECTION = 1 << 11;\n event LaunchStarted(uint256 startBlock, uint256 endBlock);\n\n uint256 public immutable maximumSupply;\n uint8 private immutable _customDecimals;\n uint16 private immutable _features;\n\n uint256 public buyTax;\n uint256 public sellTax;\n uint256 public transferTax;\n uint256 public burnTax;\n address public taxReceiver;\n\n uint256 public maxWalletAmount;\n uint256 public maxTxAmount;\n bool public maxWalletActive;\n bool public maxTxActive;\n bool public whitelistActive;\n bool public tradingEnabled;\n\n mapping(address account => bool) private _blacklisted;\n mapping(address account => bool) private _whitelisted;\n mapping(address account => bool) public isTaxExempt;\n mapping(address account => bool) public isLimitExempt;\n mapping(address account => bool) public isTradingExempt;\n mapping(address account => bool) public automatedMarketMakers;\n\n uint16 private constant FEATURE_BURN = 1 << 0;\n uint16 private constant FEATURE_MINT = 1 << 1;\n uint16 private constant FEATURE_PAUSE = 1 << 2;\n uint16 private constant FEATURE_BLACKLIST = 1 << 3;\n uint16 private constant FEATURE_WHITELIST = 1 << 4;\n uint16 private constant FEATURE_MAX_WALLET = 1 << 5;\n uint16 private constant FEATURE_MAX_TX = 1 << 6;\n uint16 private constant FEATURE_TRADING_CONTROL = 1 << 7;\n\n uint16 private constant FEATURE_CAP = 1 << 8;\n uint16 private constant FEATURE_TRANSFER_OWNERSHIP = 1 << 9;\n uint16 private constant FEATURE_RENOUNCE = 1 << 10;\n\n event BlacklistUpdated(address indexed account, bool blocked);\n event WhitelistUpdated(address indexed account, bool allowed);\n event WhitelistStatusUpdated(bool enabled);\n event TradingStatusUpdated(bool enabled);\n event TaxUpdated(uint256 buyTax, uint256 sellTax, uint256 transferTax, uint256 burnTax);\n event TaxReceiverUpdated(address indexed receiver);\n event TaxExemptUpdated(address indexed account, bool exempt);\n event LimitExemptUpdated(address indexed account, bool exempt);\n event TradingExemptUpdated(address indexed account, bool exempt);\n event MaxWalletUpdated(uint256 amount, bool enabled);\n event MaxTransactionUpdated(uint256 amount, bool enabled);\n event AMMUpdated(address indexed account, bool enabled);\n event TaxCollected(address indexed from, address indexed to, address indexed receiver, uint256 receiverAmount, uint256 burnedAmount);\n event TaxWithdrawn(address indexed receiver, uint256 amount);\n\n constructor(\n string memory name_,\n string memory symbol_,\n uint8 decimals_,\n uint256 totalSupply_,\n address owner_,\n address feeReceiver_,\n bool[12] memory features_,\n uint256[6] memory params_,\n address taxReceiver_,\n bool tradingInitiallyEnabled_,\n address[] memory initialWhitelist_,\n address[] memory initialTaxExempt_,\n uint256 maximumSupply_,\n uint256[3] memory launchParams_\n ) payable ERC20(name_, symbol_) Ownable(owner_) {\n if (owner_ == address(0)) revert InvalidOwner();\n if (totalSupply_ == 0) revert InvalidSupply();\n if (decimals_ > 18) revert InvalidDecimals();\n\n _validateTaxConfiguration(params_[0], params_[1], params_[2], params_[3]);\n _validateLimit(features_[5], params_[4]);\n _validateLimit(features_[6], params_[5]);\n\n bool hasTax = params_[0] != 0 || params_[1] != 0 || params_[2] != 0;\n if (hasTax && taxReceiver_ == address(0)) revert InvalidAddress();\n\n if (features_[8] && (!features_[1] || maximumSupply_ < totalSupply_)) revert InvalidCap();\n maximumSupply = features_[8] ? maximumSupply_ * 10 ** decimals_ : 0;\n _customDecimals = decimals_;\n _features = _packFeatures(features_);\n buyTax = params_[0];\n sellTax = params_[1];\n transferTax = params_[2];\n burnTax = params_[3];\n taxReceiver = taxReceiver_ == address(0) ? owner_ : taxReceiver_;\n\n uint256 supply = totalSupply_ * 10 ** decimals_;\n if (features_[11]) {\n if (!features_[7] || tradingInitiallyEnabled_ || launchParams_[0] == 0 || launchParams_[0] > 100) revert InvalidLaunchConfiguration();\n _validateLimit(true, launchParams_[1]);\n _validateLimit(true, launchParams_[2]);\n if ((features_[6] && launchParams_[1] > params_[5]) || (features_[5] && launchParams_[2] > params_[4])) revert InvalidLaunchConfiguration();\n if ((supply * launchParams_[1]) / BPS == 0 || (supply * launchParams_[2]) / BPS == 0) revert InvalidLaunchConfiguration();\n }\n protectionBlocks = features_[11] ? launchParams_[0] : 0;\n launchMaxTxAmount = features_[11] ? (supply * launchParams_[1]) / BPS : 0;\n launchMaxWalletAmount = features_[11] ? (supply * launchParams_[2]) / BPS : 0;\n maxWalletAmount = features_[5] ? (supply * params_[4]) / BPS : supply;\n maxTxAmount = features_[6] ? (supply * params_[5]) / BPS : supply;\n if ((features_[5] && maxWalletAmount == 0) || (features_[6] && maxTxAmount == 0)) revert InvalidLimit();\n maxWalletActive = features_[5];\n maxTxActive = features_[6];\n whitelistActive = features_[4];\n tradingEnabled = features_[7] ? tradingInitiallyEnabled_ : true;\n\n _grantSystemAccess(owner_);\n _grantSystemAccess(address(this));\n _grantSystemAccess(taxReceiver);\n\n for (uint256 i; i < initialWhitelist_.length; ++i) {\n _setWhitelist(initialWhitelist_[i], true);\n }\n for (uint256 i; i < initialTaxExempt_.length; ++i) {\n _setTaxExempt(initialTaxExempt_[i], true);\n }\n\n _mint(owner_, supply);\n _forwardFee(feeReceiver_);\n }\n\n receive() external payable {}\n\n function decimals() public view override returns (uint8) { return _customDecimals; }\n\n function generator() external pure returns (string memory) {\n return \"https://tokengeneratorapp.com\";\n }\n\n function cappedSupplyEnabled() public view returns (bool) { return _hasFeature(FEATURE_CAP); }\n function ownershipTransferEnabled() public view returns (bool) { return _hasFeature(FEATURE_TRANSFER_OWNERSHIP); }\n function renounceOwnershipEnabled() public view returns (bool) { return _hasFeature(FEATURE_RENOUNCE); }\n\n function burnEnabled() public view returns (bool) { return _hasFeature(FEATURE_BURN); }\n function mintEnabled() public view returns (bool) { return _hasFeature(FEATURE_MINT); }\n function pauseEnabled() public view returns (bool) { return _hasFeature(FEATURE_PAUSE); }\n function blacklistEnabled() public view returns (bool) { return _hasFeature(FEATURE_BLACKLIST); }\n function whitelistEnabled() public view returns (bool) { return _hasFeature(FEATURE_WHITELIST); }\n function maxWalletEnabled() public view returns (bool) { return _hasFeature(FEATURE_MAX_WALLET); }\n function maxTransactionEnabled() public view returns (bool) { return _hasFeature(FEATURE_MAX_TX); }\n function tradingControlEnabled() public view returns (bool) { return _hasFeature(FEATURE_TRADING_CONTROL); }\n\n function burn(uint256 amount) external {\n if (!burnEnabled()) revert FeatureDisabled();\n _burn(msg.sender, amount);\n }\n\n function burnFrom(address account, uint256 amount) external {\n if (!burnEnabled()) revert FeatureDisabled();\n _spendAllowance(account, msg.sender, amount);\n _burn(account, amount);\n }\n\n function mint(address to, uint256 amount) external onlyOwner {\n if (!mintEnabled()) revert FeatureDisabled();\n _mint(to, amount);\n }\n\n function pause() external onlyOwner {\n if (!pauseEnabled()) revert FeatureDisabled();\n _pause();\n }\n\n function unpause() external onlyOwner {\n if (!pauseEnabled()) revert FeatureDisabled();\n _unpause();\n }\n\n function blacklist(address account) external onlyOwner {\n if (!blacklistEnabled()) revert FeatureDisabled();\n if (account == owner()) revert CannotBlacklistOwner();\n _blacklisted[account] = true;\n emit BlacklistUpdated(account, true);\n }\n\n function unblacklist(address account) external onlyOwner {\n if (!blacklistEnabled()) revert FeatureDisabled();\n _blacklisted[account] = false;\n emit BlacklistUpdated(account, false);\n }\n\n function isBlacklisted(address account) external view returns (bool) { return _blacklisted[account]; }\n\n function setWhitelist(address account, bool allowed) external onlyOwner {\n if (!whitelistEnabled()) revert FeatureDisabled();\n _setWhitelist(account, allowed);\n }\n\n function setWhitelistEnabled(bool enabled) external onlyOwner {\n if (!whitelistEnabled()) revert FeatureDisabled();\n whitelistActive = enabled;\n emit WhitelistStatusUpdated(enabled);\n }\n\n function isWhitelisted(address account) external view returns (bool) { return _whitelisted[account]; }\n\n function setTradingEnabled(bool enabled) external onlyOwner {\n if (!tradingControlEnabled()) revert FeatureDisabled();\n if (launchProtectionEnabled()) {\n if (enabled && !launchStarted) { _startLaunch(); return; }\n if (!enabled && launchStarted) revert LaunchCannotBeRelocked();\n }\n tradingEnabled = enabled;\n emit TradingStatusUpdated(enabled);\n }\n\n function launchProtectionEnabled() public view returns (bool) { return _hasFeature(FEATURE_LAUNCH_PROTECTION); }\n\n /// @notice The start block is included; the end block is excluded. This window cannot be reset or extended.\n function launchProtectionActive() public view returns (bool) {\n return launchStarted && block.number < protectionEndBlock;\n }\n\n function startLaunch() external onlyOwner {\n if (!launchProtectionEnabled()) revert FeatureDisabled();\n _startLaunch();\n }\n\n function _startLaunch() private {\n if (launchStarted) revert LaunchAlreadyStarted();\n launchStarted = true;\n launchBlock = block.number;\n protectionEndBlock = block.number + protectionBlocks;\n tradingEnabled = true;\n emit LaunchStarted(launchBlock, protectionEndBlock);\n emit TradingStatusUpdated(true);\n }\n\n function setTax(uint256 buyTax_, uint256 sellTax_, uint256 transferTax_, uint256 burnTax_) external onlyOwner {\n _validateTaxConfiguration(buyTax_, sellTax_, transferTax_, burnTax_);\n buyTax = buyTax_;\n sellTax = sellTax_;\n transferTax = transferTax_;\n burnTax = burnTax_;\n emit TaxUpdated(buyTax_, sellTax_, transferTax_, burnTax_);\n }\n\n function setTaxReceiver(address receiver) external onlyOwner {\n if (receiver == address(0)) revert InvalidAddress();\n taxReceiver = receiver;\n _grantSystemAccess(receiver);\n emit TaxReceiverUpdated(receiver);\n }\n\n function setExemptFromTax(address account, bool exempt) external onlyOwner {\n _setTaxExempt(account, exempt);\n }\n\n function addTaxExempt(address account) external onlyOwner { _setTaxExempt(account, true); }\n function removeTaxExempt(address account) external onlyOwner { _setTaxExempt(account, false); }\n function isExemptFromTax(address account) external view returns (bool) { return isTaxExempt[account]; }\n\n function setExemptFromLimits(address account, bool exempt) external onlyOwner {\n if (account == address(0)) revert InvalidAddress();\n isLimitExempt[account] = exempt;\n emit LimitExemptUpdated(account, exempt);\n }\n\n function setExemptFromTrading(address account, bool exempt) external onlyOwner {\n if (!tradingControlEnabled()) revert FeatureDisabled();\n if (account == address(0)) revert InvalidAddress();\n isTradingExempt[account] = exempt;\n emit TradingExemptUpdated(account, exempt);\n }\n\n function setAutomatedMarketMaker(address account, bool enabled) external onlyOwner {\n if (account == address(0)) revert InvalidAddress();\n automatedMarketMakers[account] = enabled;\n isLimitExempt[account] = enabled;\n if (whitelistEnabled()) _setWhitelist(account, enabled);\n emit AMMUpdated(account, enabled);\n }\n\n function setMaxWallet(uint256 amount, bool enabled) external onlyOwner {\n if (!maxWalletEnabled()) revert FeatureDisabled();\n if (enabled && (amount == 0 || amount < totalSupply() / 1_000)) revert InvalidLimit();\n maxWalletAmount = amount;\n maxWalletActive = enabled;\n emit MaxWalletUpdated(amount, enabled);\n }\n\n function setMaxTransaction(uint256 amount, bool enabled) external onlyOwner {\n if (!maxTransactionEnabled()) revert FeatureDisabled();\n if (enabled && (amount == 0 || amount < totalSupply() / 1_000)) revert InvalidLimit();\n maxTxAmount = amount;\n maxTxActive = enabled;\n emit MaxTransactionUpdated(amount, enabled);\n }\n\n function transferOwnership(address newOwner) public override onlyOwner {\n if (!ownershipTransferEnabled()) revert FeatureDisabled();\n address oldOwner = owner();\n super.transferOwnership(newOwner);\n _migrateOwnerAccess(oldOwner, newOwner);\n }\n\n function renounceOwnership() public override onlyOwner {\n if (!renounceOwnershipEnabled()) revert FeatureDisabled();\n if (paused() || !tradingEnabled) revert UnsafeRenounce();\n address oldOwner = owner();\n super.renounceOwnership();\n _migrateOwnerAccess(oldOwner, address(0));\n }\n\n /// @notice Recovers this token if tokens were transferred to the contract address directly.\n function manualSwap() external onlyOwner {\n uint256 amount = balanceOf(address(this));\n if (amount == 0) revert NothingToWithdraw();\n super._update(address(this), taxReceiver, amount);\n emit TaxWithdrawn(taxReceiver, amount);\n }\n\n function withdrawStuckETH() external onlyOwner {\n uint256 amount = address(this).balance;\n if (amount == 0) revert NothingToWithdraw();\n (bool ok,) = payable(owner()).call{value: amount}(\"\");\n if (!ok) revert FeeTransferFailed();\n }\n\n function withdrawStuckTokens(address token) external onlyOwner {\n if (token == address(this) || token == address(0)) revert InvalidAddress();\n uint256 amount = IERC20(token).balanceOf(address(this));\n if (amount == 0) revert NothingToWithdraw();\n IERC20(token).safeTransfer(owner(), amount);\n }\n\n function _update(address from, address to, uint256 value) internal override(ERC20, ERC20Pausable) {\n if (from == address(0) && cappedSupplyEnabled() && totalSupply() + value > maximumSupply) revert CapExceeded();\n bool regularTransfer = from != address(0) && to != address(0) && from != address(this);\n if (!regularTransfer) {\n super._update(from, to, value);\n return;\n }\n\n if (blacklistEnabled() && (_blacklisted[from] || _blacklisted[to])) revert BlacklistedAccount();\n if (whitelistActive && (!_whitelisted[from] || !_whitelisted[to])) revert AddressNotWhitelisted();\n if (tradingControlEnabled() && !tradingEnabled && !isTradingExempt[from] && !isTradingExempt[to]) {\n revert TradingDisabled();\n }\n // An AMM is exempt from wallet limits, never from transaction caps on ordinary traders.\n bool txExempt = (isLimitExempt[from] && !automatedMarketMakers[from]) || (isLimitExempt[to] && !automatedMarketMakers[to]);\n bool protectedLaunch = launchProtectionActive();\n if (!txExempt && ((maxTxActive && value > maxTxAmount) || (protectedLaunch && value > launchMaxTxAmount))) revert MaxTxExceeded();\n\n uint256 rate = _taxRate(from, to);\n uint256 taxAmount;\n uint256 burnAmount;\n uint256 receiverAmount;\n if (rate != 0 && !isTaxExempt[from] && !isTaxExempt[to]) {\n taxAmount = (value * rate) / BPS;\n burnAmount = (value * burnTax) / BPS;\n if (burnAmount > taxAmount) burnAmount = taxAmount;\n receiverAmount = taxAmount - burnAmount;\n }\n\n uint256 receivedAmount = value - taxAmount;\n if (!isLimitExempt[to]) {\n uint256 nextBalance = balanceOf(to) + receivedAmount;\n if ((maxWalletActive && nextBalance > maxWalletAmount) || (protectedLaunch && nextBalance > launchMaxWalletAmount)) revert MaxWalletExceeded();\n }\n\n if (receiverAmount != 0) super._update(from, taxReceiver, receiverAmount);\n if (burnAmount != 0) super._update(from, address(0), burnAmount);\n if (taxAmount != 0) emit TaxCollected(from, to, taxReceiver, receiverAmount, burnAmount);\n super._update(from, to, receivedAmount);\n }\n\n function _taxRate(address from, address to) private view returns (uint256) {\n if (automatedMarketMakers[from]) return buyTax;\n if (automatedMarketMakers[to]) return sellTax;\n return transferTax;\n }\n\n function _setWhitelist(address account, bool allowed) private {\n if (account == address(0)) revert InvalidAddress();\n _whitelisted[account] = allowed;\n emit WhitelistUpdated(account, allowed);\n }\n\n function _setTaxExempt(address account, bool exempt) private {\n if (account == address(0)) revert InvalidAddress();\n isTaxExempt[account] = exempt;\n emit TaxExemptUpdated(account, exempt);\n }\n\n function _grantSystemAccess(address account) private {\n if (account == address(0)) return;\n _whitelisted[account] = true;\n isTaxExempt[account] = true;\n isLimitExempt[account] = true;\n isTradingExempt[account] = true;\n }\n\n function _migrateOwnerAccess(address oldOwner, address newOwner) private {\n if (oldOwner != address(0)) {\n _whitelisted[oldOwner] = false;\n isTaxExempt[oldOwner] = false;\n isLimitExempt[oldOwner] = false;\n isTradingExempt[oldOwner] = false;\n }\n if (newOwner != address(0)) {\n _blacklisted[newOwner] = false;\n _grantSystemAccess(newOwner);\n }\n }\n\n function _hasFeature(uint16 feature) private view returns (bool) { return _features & feature != 0; }\n\n function _packFeatures(bool[12] memory enabled) private pure returns (uint16 features) {\n if (enabled[0]) features |= FEATURE_BURN;\n if (enabled[1]) features |= FEATURE_MINT;\n if (enabled[2]) features |= FEATURE_PAUSE;\n if (enabled[3]) features |= FEATURE_BLACKLIST;\n if (enabled[4]) features |= FEATURE_WHITELIST;\n if (enabled[5]) features |= FEATURE_MAX_WALLET;\n if (enabled[6]) features |= FEATURE_MAX_TX;\n if (enabled[8]) features |= FEATURE_CAP;\n if (enabled[9]) features |= FEATURE_TRANSFER_OWNERSHIP;\n if (enabled[10]) features |= FEATURE_RENOUNCE;\n if (enabled[7]) features |= FEATURE_TRADING_CONTROL;\n if (enabled[11]) features |= FEATURE_LAUNCH_PROTECTION;\n }\n\n function _validateLimit(bool enabled, uint256 limitBps) private pure {\n if (enabled && (limitBps < MIN_LIMIT_BPS || limitBps > BPS)) revert InvalidLimit();\n }\n\n function _validateTaxConfiguration(\n uint256 buyTax_,\n uint256 sellTax_,\n uint256 transferTax_,\n uint256 burnTax_\n ) private pure {\n if (buyTax_ > MAX_TAX || sellTax_ > MAX_TAX || transferTax_ > MAX_TAX || burnTax_ > MAX_TAX) {\n revert InvalidTax();\n }\n if (burnTax_ != 0) {\n if (buyTax_ != 0 && burnTax_ > buyTax_) revert InvalidTax();\n if (sellTax_ != 0 && burnTax_ > sellTax_) revert InvalidTax();\n if (transferTax_ != 0 && burnTax_ > transferTax_) revert InvalidTax();\n if (buyTax_ == 0 && sellTax_ == 0 && transferTax_ == 0) revert InvalidTax();\n }\n }\n\n function _forwardFee(address feeReceiver_) private {\n if (msg.value == 0 || feeReceiver_ == address(0)) return;\n (bool ok,) = payable(feeReceiver_).call{value: msg.value}(\"\");\n if (!ok) revert FeeTransferFailed();\n }\n}\n"},"@openzeppelin/contracts/token/ERC20/ERC20.sol":{"content":"// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.5.0) (token/ERC20/ERC20.sol)\n\npragma solidity ^0.8.20;\n\nimport {IERC20} from \"./IERC20.sol\";\nimport {IERC20Metadata} from \"./extensions/IERC20Metadata.sol\";\nimport {Context} from \"../../utils/Context.sol\";\nimport {IERC20Errors} from \"../../interfaces/draft-IERC6093.sol\";\n\n/**\n * @dev Implementation of the {IERC20} interface.\n *\n * This implementation is agnostic to the way tokens are created. This means\n * that a supply mechanism has to be added in a derived contract using {_mint}.\n *\n * TIP: For a detailed writeup see our guide\n * https://forum.openzeppelin.com/t/how-to-implement-erc20-supply-mechanisms/226[How\n * to implement supply mechanisms].\n *\n * The default value of {decimals} is 18. To change this, you should override\n * this function so it returns a different value.\n *\n * We have followed general OpenZeppelin Contracts guidelines: functions revert\n * instead returning `false` on failure. This behavior is nonetheless\n * conventional and does not conflict with the expectations of ERC-20\n * applications.\n */\nabstract contract ERC20 is Context, IERC20, IERC20Metadata, IERC20Errors {\n mapping(address account => uint256) private _balances;\n\n mapping(address account => mapping(address spender => uint256)) private _allowances;\n\n uint256 private _totalSupply;\n\n string private _name;\n string private _symbol;\n\n /**\n * @dev Sets the values for {name} and {symbol}.\n *\n * Both values are immutable: they can only be set once during construction.\n */\n constructor(string memory name_, string memory symbol_) {\n _name = name_;\n _symbol = symbol_;\n }\n\n /**\n * @dev Returns the name of the token.\n */\n function name() public view virtual returns (string memory) {\n return _name;\n }\n\n /**\n * @dev Returns the symbol of the token, usually a shorter version of the\n * name.\n */\n function symbol() public view virtual returns (string memory) {\n return _symbol;\n }\n\n /**\n * @dev Returns the number of decimals used to get its user representation.\n * For example, if `decimals` equals `2`, a balance of `505` tokens should\n * be displayed to a user as `5.05` (`505 / 10 ** 2`).\n *\n * Tokens usually opt for a value of 18, imitating the relationship between\n * Ether and Wei. This is the default value returned by this function, unless\n * it's overridden.\n *\n * NOTE: This information is only used for _display_ purposes: it in\n * no way affects any of the arithmetic of the contract, including\n * {IERC20-balanceOf} and {IERC20-transfer}.\n */\n function decimals() public view virtual returns (uint8) {\n return 18;\n }\n\n /// @inheritdoc IERC20\n function totalSupply() public view virtual returns (uint256) {\n return _totalSupply;\n }\n\n /// @inheritdoc IERC20\n function balanceOf(address account) public view virtual returns (uint256) {\n return _balances[account];\n }\n\n /**\n * @dev See {IERC20-transfer}.\n *\n * Requirements:\n *\n * - `to` cannot be the zero address.\n * - the caller must have a balance of at least `value`.\n */\n function transfer(address to, uint256 value) public virtual returns (bool) {\n address owner = _msgSender();\n _transfer(owner, to, value);\n return true;\n }\n\n /// @inheritdoc IERC20\n function allowance(address owner, address spender) public view virtual returns (uint256) {\n return _allowances[owner][spender];\n }\n\n /**\n * @dev See {IERC20-approve}.\n *\n * NOTE: If `value` is the maximum `uint256`, the allowance is not updated on\n * `transferFrom`. This is semantically equivalent to an infinite approval.\n *\n * Requirements:\n *\n * - `spender` cannot be the zero address.\n */\n function approve(address spender, uint256 value) public virtual returns (bool) {\n address owner = _msgSender();\n _approve(owner, spender, value);\n return true;\n }\n\n /**\n * @dev See {IERC20-transferFrom}.\n *\n * Skips emitting an {Approval} event indicating an allowance update. This is not\n * required by the ERC. See {xref-ERC20-_approve-address-address-uint256-bool-}[_approve].\n *\n * NOTE: Does not update the allowance if the current allowance\n * is the maximum `uint256`.\n *\n * Requirements:\n *\n * - `from` and `to` cannot be the zero address.\n * - `from` must have a balance of at least `value`.\n * - the caller must have allowance for ``from``'s tokens of at least\n * `value`.\n */\n function transferFrom(address from, address to, uint256 value) public virtual returns (bool) {\n address spender = _msgSender();\n _spendAllowance(from, spender, value);\n _transfer(from, to, value);\n return true;\n }\n\n /**\n * @dev Moves a `value` amount of tokens from `from` to `to`.\n *\n * This internal function is equivalent to {transfer}, and can be used to\n * e.g. implement automatic token fees, slashing mechanisms, etc.\n *\n * Emits a {Transfer} event.\n *\n * NOTE: This function is not virtual, {_update} should be overridden instead.\n */\n function _transfer(address from, address to, uint256 value) internal {\n if (from == address(0)) {\n revert ERC20InvalidSender(address(0));\n }\n if (to == address(0)) {\n revert ERC20InvalidReceiver(address(0));\n }\n _update(from, to, value);\n }\n\n /**\n * @dev Transfers a `value` amount of tokens from `from` to `to`, or alternatively mints (or burns) if `from`\n * (or `to`) is the zero address. All customizations to transfers, mints, and burns should be done by overriding\n * this function.\n *\n * Emits a {Transfer} event.\n */\n function _update(address from, address to, uint256 value) internal virtual {\n if (from == address(0)) {\n // Overflow check required: The rest of the code assumes that totalSupply never overflows\n _totalSupply += value;\n } else {\n uint256 fromBalance = _balances[from];\n if (fromBalance < value) {\n revert ERC20InsufficientBalance(from, fromBalance, value);\n }\n unchecked {\n // Overflow not possible: value <= fromBalance <= totalSupply.\n _balances[from] = fromBalance - value;\n }\n }\n\n if (to == address(0)) {\n unchecked {\n // Overflow not possible: value <= totalSupply or value <= fromBalance <= totalSupply.\n _totalSupply -= value;\n }\n } else {\n unchecked {\n // Overflow not possible: balance + value is at most totalSupply, which we know fits into a uint256.\n _balances[to] += value;\n }\n }\n\n emit Transfer(from, to, value);\n }\n\n /**\n * @dev Creates a `value` amount of tokens and assigns them to `account`, by transferring it from address(0).\n * Relies on the `_update` mechanism\n *\n * Emits a {Transfer} event with `from` set to the zero address.\n *\n * NOTE: This function is not virtual, {_update} should be overridden instead.\n */\n function _mint(address account, uint256 value) internal {\n if (account == address(0)) {\n revert ERC20InvalidReceiver(address(0));\n }\n _update(address(0), account, value);\n }\n\n /**\n * @dev Destroys a `value` amount of tokens from `account`, lowering the total supply.\n * Relies on the `_update` mechanism.\n *\n * Emits a {Transfer} event with `to` set to the zero address.\n *\n * NOTE: This function is not virtual, {_update} should be overridden instead\n */\n function _burn(address account, uint256 value) internal {\n if (account == address(0)) {\n revert ERC20InvalidSender(address(0));\n }\n _update(account, address(0), value);\n }\n\n /**\n * @dev Sets `value` as the allowance of `spender` over the `owner`'s tokens.\n *\n * This internal function is equivalent to `approve`, and can be used to\n * e.g. set automatic allowances for certain subsystems, etc.\n *\n * Emits an {Approval} event.\n *\n * Requirements:\n *\n * - `owner` cannot be the zero address.\n * - `spender` cannot be the zero address.\n *\n * Overrides to this logic should be done to the variant with an additional `bool emitEvent` argument.\n */\n function _approve(address owner, address spender, uint256 value) internal {\n _approve(owner, spender, value, true);\n }\n\n /**\n * @dev Variant of {_approve} with an optional flag to enable or disable the {Approval} event.\n *\n * By default (when calling {_approve}) the flag is set to true. On the other hand, approval changes made by\n * `_spendAllowance` during the `transferFrom` operation sets the flag to false. This saves gas by not emitting any\n * `Approval` event during `transferFrom` operations.\n *\n * Anyone who wishes to continue emitting `Approval` events on the `transferFrom` operation can force the flag to\n * true using the following override:\n *\n * ```solidity\n * function _approve(address owner, address spender, uint256 value, bool) internal virtual override {\n * super._approve(owner, spender, value, true);\n * }\n * ```\n *\n * Requirements are the same as {_approve}.\n */\n function _approve(address owner, address spender, uint256 value, bool emitEvent) internal virtual {\n if (owner == address(0)) {\n revert ERC20InvalidApprover(address(0));\n }\n if (spender == address(0)) {\n revert ERC20InvalidSpender(address(0));\n }\n _allowances[owner][spender] = value;\n if (emitEvent) {\n emit Approval(owner, spender, value);\n }\n }\n\n /**\n * @dev Updates `owner`'s allowance for `spender` based on spent `value`.\n *\n * Does not update the allowance value in case of infinite allowance.\n * Revert if not enough allowance is available.\n *\n * Does not emit an {Approval} event.\n */\n function _spendAllowance(address owner, address spender, uint256 value) internal virtual {\n uint256 currentAllowance = allowance(owner, spender);\n if (currentAllowance < type(uint256).max) {\n if (currentAllowance < value) {\n revert ERC20InsufficientAllowance(spender, currentAllowance, value);\n }\n unchecked {\n _approve(owner, spender, currentAllowance - value, false);\n }\n }\n }\n}\n"},"@openzeppelin/contracts/access/Ownable.sol":{"content":"// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.0.0) (access/Ownable.sol)\n\npragma solidity ^0.8.20;\n\nimport {Context} from \"../utils/Context.sol\";\n\n/**\n * @dev Contract module which provides a basic access control mechanism, where\n * there is an account (an owner) that can be granted exclusive access to\n * specific functions.\n *\n * The initial owner is set to the address provided by the deployer. This can\n * later be changed with {transferOwnership}.\n *\n * This module is used through inheritance. It will make available the modifier\n * `onlyOwner`, which can be applied to your functions to restrict their use to\n * the owner.\n */\nabstract contract Ownable is Context {\n address private _owner;\n\n /**\n * @dev The caller account is not authorized to perform an operation.\n */\n error OwnableUnauthorizedAccount(address account);\n\n /**\n * @dev The owner is not a valid owner account. (eg. `address(0)`)\n */\n error OwnableInvalidOwner(address owner);\n\n event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);\n\n /**\n * @dev Initializes the contract setting the address provided by the deployer as the initial owner.\n */\n constructor(address initialOwner) {\n if (initialOwner == address(0)) {\n revert OwnableInvalidOwner(address(0));\n }\n _transferOwnership(initialOwner);\n }\n\n /**\n * @dev Throws if called by any account other than the owner.\n */\n modifier onlyOwner() {\n _checkOwner();\n _;\n }\n\n /**\n * @dev Returns the address of the current owner.\n */\n function owner() public view virtual returns (address) {\n return _owner;\n }\n\n /**\n * @dev Throws if the sender is not the owner.\n */\n function _checkOwner() internal view virtual {\n if (owner() != _msgSender()) {\n revert OwnableUnauthorizedAccount(_msgSender());\n }\n }\n\n /**\n * @dev Leaves the contract without owner. It will not be possible to call\n * `onlyOwner` functions. Can only be called by the current owner.\n *\n * NOTE: Renouncing ownership will leave the contract without an owner,\n * thereby disabling any functionality that is only available to the owner.\n */\n function renounceOwnership() public virtual onlyOwner {\n _transferOwnership(address(0));\n }\n\n /**\n * @dev Transfers ownership of the contract to a new account (`newOwner`).\n * Can only be called by the current owner.\n */\n function transferOwnership(address newOwner) public virtual onlyOwner {\n if (newOwner == address(0)) {\n revert OwnableInvalidOwner(address(0));\n }\n _transferOwnership(newOwner);\n }\n\n /**\n * @dev Transfers ownership of the contract to a new account (`newOwner`).\n * Internal function without access restriction.\n */\n function _transferOwnership(address newOwner) internal virtual {\n address oldOwner = _owner;\n _owner = newOwner;\n emit OwnershipTransferred(oldOwner, newOwner);\n }\n}\n"},"@openzeppelin/contracts/token/ERC20/extensions/ERC20Pausable.sol":{"content":"// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.1.0) (token/ERC20/extensions/ERC20Pausable.sol)\n\npragma solidity ^0.8.20;\n\nimport {ERC20} from \"../ERC20.sol\";\nimport {Pausable} from \"../../../utils/Pausable.sol\";\n\n/**\n * @dev ERC-20 token with pausable token transfers, minting and burning.\n *\n * Useful for scenarios such as preventing trades until the end of an evaluation\n * period, or having an emergency switch for freezing all token transfers in the\n * event of a large bug.\n *\n * IMPORTANT: This contract does not include public pause and unpause functions. In\n * addition to inheriting this contract, you must define both functions, invoking the\n * {Pausable-_pause} and {Pausable-_unpause} internal functions, with appropriate\n * access control, e.g. using {AccessControl} or {Ownable}. Not doing so will\n * make the contract pause mechanism of the contract unreachable, and thus unusable.\n */\nabstract contract ERC20Pausable is ERC20, Pausable {\n /**\n * @dev See {ERC20-_update}.\n *\n * Requirements:\n *\n * - the contract must not be paused.\n */\n function _update(address from, address to, uint256 value) internal virtual override whenNotPaused {\n super._update(from, to, value);\n }\n}\n"},"@openzeppelin/contracts/token/ERC20/IERC20.sol":{"content":"// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.4.0) (token/ERC20/IERC20.sol)\n\npragma solidity >=0.4.16;\n\n/**\n * @dev Interface of the ERC-20 standard as defined in the ERC.\n */\ninterface IERC20 {\n /**\n * @dev Emitted when `value` tokens are moved from one account (`from`) to\n * another (`to`).\n *\n * Note that `value` may be zero.\n */\n event Transfer(address indexed from, address indexed to, uint256 value);\n\n /**\n * @dev Emitted when the allowance of a `spender` for an `owner` is set by\n * a call to {approve}. `value` is the new allowance.\n */\n event Approval(address indexed owner, address indexed spender, uint256 value);\n\n /**\n * @dev Returns the value of tokens in existence.\n */\n function totalSupply() external view returns (uint256);\n\n /**\n * @dev Returns the value of tokens owned by `account`.\n */\n function balanceOf(address account) external view returns (uint256);\n\n /**\n * @dev Moves a `value` amount of tokens from the caller's account to `to`.\n *\n * Returns a boolean value indicating whether the operation succeeded.\n *\n * Emits a {Transfer} event.\n */\n function transfer(address to, uint256 value) external returns (bool);\n\n /**\n * @dev Returns the remaining number of tokens that `spender` will be\n * allowed to spend on behalf of `owner` through {transferFrom}. This is\n * zero by default.\n *\n * This value changes when {approve} or {transferFrom} are called.\n */\n function allowance(address owner, address spender) external view returns (uint256);\n\n /**\n * @dev Sets a `value` amount of tokens as the allowance of `spender` over the\n * caller's tokens.\n *\n * Returns a boolean value indicating whether the operation succeeded.\n *\n * IMPORTANT: Beware that changing an allowance with this method brings the risk\n * that someone may use both the old and the new allowance by unfortunate\n * transaction ordering. One possible solution to mitigate this race\n * condition is to first reduce the spender's allowance to 0 and set the\n * desired value afterwards:\n * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729\n *\n * Emits an {Approval} event.\n */\n function approve(address spender, uint256 value) external returns (bool);\n\n /**\n * @dev Moves a `value` amount of tokens from `from` to `to` using the\n * allowance mechanism. `value` is then deducted from the caller's\n * allowance.\n *\n * Returns a boolean value indicating whether the operation succeeded.\n *\n * Emits a {Transfer} event.\n */\n function transferFrom(address from, address to, uint256 value) external returns (bool);\n}\n"},"@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol":{"content":"// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.5.0) (token/ERC20/utils/SafeERC20.sol)\n\npragma solidity ^0.8.20;\n\nimport {IERC20} from \"../IERC20.sol\";\nimport {IERC1363} from \"../../../interfaces/IERC1363.sol\";\n\n/**\n * @title SafeERC20\n * @dev Wrappers around ERC-20 operations that throw on failure (when the token\n * contract returns false). Tokens that return no value (and instead revert or\n * throw on failure) are also supported, non-reverting calls are assumed to be\n * successful.\n * To use this library you can add a `using SafeERC20 for IERC20;` statement to your contract,\n * which allows you to call the safe operations as `token.safeTransfer(...)`, etc.\n */\nlibrary SafeERC20 {\n /**\n * @dev An operation with an ERC-20 token failed.\n */\n error SafeERC20FailedOperation(address token);\n\n /**\n * @dev Indicates a failed `decreaseAllowance` request.\n */\n error SafeERC20FailedDecreaseAllowance(address spender, uint256 currentAllowance, uint256 requestedDecrease);\n\n /**\n * @dev Transfer `value` amount of `token` from the calling contract to `to`. If `token` returns no value,\n * non-reverting calls are assumed to be successful.\n */\n function safeTransfer(IERC20 token, address to, uint256 value) internal {\n if (!_safeTransfer(token, to, value, true)) {\n revert SafeERC20FailedOperation(address(token));\n }\n }\n\n /**\n * @dev Transfer `value` amount of `token` from `from` to `to`, spending the approval given by `from` to the\n * calling contract. If `token` returns no value, non-reverting calls are assumed to be successful.\n */\n function safeTransferFrom(IERC20 token, address from, address to, uint256 value) internal {\n if (!_safeTransferFrom(token, from, to, value, true)) {\n revert SafeERC20FailedOperation(address(token));\n }\n }\n\n /**\n * @dev Variant of {safeTransfer} that returns a bool instead of reverting if the operation is not successful.\n */\n function trySafeTransfer(IERC20 token, address to, uint256 value) internal returns (bool) {\n return _safeTransfer(token, to, value, false);\n }\n\n /**\n * @dev Variant of {safeTransferFrom} that returns a bool instead of reverting if the operation is not successful.\n */\n function trySafeTransferFrom(IERC20 token, address from, address to, uint256 value) internal returns (bool) {\n return _safeTransferFrom(token, from, to, value, false);\n }\n\n /**\n * @dev Increase the calling contract's allowance toward `spender` by `value`. If `token` returns no value,\n * non-reverting calls are assumed to be successful.\n *\n * IMPORTANT: If the token implements ERC-7674 (ERC-20 with temporary allowance), and if the \"client\"\n * smart contract uses ERC-7674 to set temporary allowances, then the \"client\" smart contract should avoid using\n * this function. Performing a {safeIncreaseAllowance} or {safeDecreaseAllowance} operation on a token contract\n * that has a non-zero temporary allowance (for that particular owner-spender) will result in unexpected behavior.\n */\n function safeIncreaseAllowance(IERC20 token, address spender, uint256 value) internal {\n uint256 oldAllowance = token.allowance(address(this), spender);\n forceApprove(token, spender, oldAllowance + value);\n }\n\n /**\n * @dev Decrease the calling contract's allowance toward `spender` by `requestedDecrease`. If `token` returns no\n * value, non-reverting calls are assumed to be successful.\n *\n * IMPORTANT: If the token implements ERC-7674 (ERC-20 with temporary allowance), and if the \"client\"\n * smart contract uses ERC-7674 to set temporary allowances, then the \"client\" smart contract should avoid using\n * this function. Performing a {safeIncreaseAllowance} or {safeDecreaseAllowance} operation on a token contract\n * that has a non-zero temporary allowance (for that particular owner-spender) will result in unexpected behavior.\n */\n function safeDecreaseAllowance(IERC20 token, address spender, uint256 requestedDecrease) internal {\n unchecked {\n uint256 currentAllowance = token.allowance(address(this), spender);\n if (currentAllowance < requestedDecrease) {\n revert SafeERC20FailedDecreaseAllowance(spender, currentAllowance, requestedDecrease);\n }\n forceApprove(token, spender, currentAllowance - requestedDecrease);\n }\n }\n\n /**\n * @dev Set the calling contract's allowance toward `spender` to `value`. If `token` returns no value,\n * non-reverting calls are assumed to be successful. Meant to be used with tokens that require the approval\n * to be set to zero before setting it to a non-zero value, such as USDT.\n *\n * NOTE: If the token implements ERC-7674, this function will not modify any temporary allowance. This function\n * only sets the \"standard\" allowance. Any temporary allowance will remain active, in addition to the value being\n * set here.\n */\n function forceApprove(IERC20 token, address spender, uint256 value) internal {\n if (!_safeApprove(token, spender, value, false)) {\n if (!_safeApprove(token, spender, 0, true)) revert SafeERC20FailedOperation(address(token));\n if (!_safeApprove(token, spender, value, true)) revert SafeERC20FailedOperation(address(token));\n }\n }\n\n /**\n * @dev Performs an {ERC1363} transferAndCall, with a fallback to the simple {ERC20} transfer if the target has no\n * code. This can be used to implement an {ERC721}-like safe transfer that relies on {ERC1363} checks when\n * targeting contracts.\n *\n * Reverts if the returned value is other than `true`.\n */\n function transferAndCallRelaxed(IERC1363 token, address to, uint256 value, bytes memory data) internal {\n if (to.code.length == 0) {\n safeTransfer(token, to, value);\n } else if (!token.transferAndCall(to, value, data)) {\n revert SafeERC20FailedOperation(address(token));\n }\n }\n\n /**\n * @dev Performs an {ERC1363} transferFromAndCall, with a fallback to the simple {ERC20} transferFrom if the target\n * has no code. This can be used to implement an {ERC721}-like safe transfer that relies on {ERC1363} checks when\n * targeting contracts.\n *\n * Reverts if the returned value is other than `true`.\n */\n function transferFromAndCallRelaxed(\n IERC1363 token,\n address from,\n address to,\n uint256 value,\n bytes memory data\n ) internal {\n if (to.code.length == 0) {\n safeTransferFrom(token, from, to, value);\n } else if (!token.transferFromAndCall(from, to, value, data)) {\n revert SafeERC20FailedOperation(address(token));\n }\n }\n\n /**\n * @dev Performs an {ERC1363} approveAndCall, with a fallback to the simple {ERC20} approve if the target has no\n * code. This can be used to implement an {ERC721}-like safe transfer that rely on {ERC1363} checks when\n * targeting contracts.\n *\n * NOTE: When the recipient address (`to`) has no code (i.e. is an EOA), this function behaves as {forceApprove}.\n * Oppositely, when the recipient address (`to`) has code, this function only attempts to call {ERC1363-approveAndCall}\n * once without retrying, and relies on the returned value to be true.\n *\n * Reverts if the returned value is other than `true`.\n */\n function approveAndCallRelaxed(IERC1363 token, address to, uint256 value, bytes memory data) internal {\n if (to.code.length == 0) {\n forceApprove(token, to, value);\n } else if (!token.approveAndCall(to, value, data)) {\n revert SafeERC20FailedOperation(address(token));\n }\n }\n\n /**\n * @dev Imitates a Solidity `token.transfer(to, value)` call, relaxing the requirement on the return value: the\n * return value is optional (but if data is returned, it must not be false).\n *\n * @param token The token targeted by the call.\n * @param to The recipient of the tokens\n * @param value The amount of token to transfer\n * @param bubble Behavior switch if the transfer call reverts: bubble the revert reason or return a false boolean.\n */\n function _safeTransfer(IERC20 token, address to, uint256 value, bool bubble) private returns (bool success) {\n bytes4 selector = IERC20.transfer.selector;\n\n assembly (\"memory-safe\") {\n let fmp := mload(0x40)\n mstore(0x00, selector)\n mstore(0x04, and(to, shr(96, not(0))))\n mstore(0x24, value)\n success := call(gas(), token, 0, 0x00, 0x44, 0x00, 0x20)\n // if call success and return is true, all is good.\n // otherwise (not success or return is not true), we need to perform further checks\n if iszero(and(success, eq(mload(0x00), 1))) {\n // if the call was a failure and bubble is enabled, bubble the error\n if and(iszero(success), bubble) {\n returndatacopy(fmp, 0x00, returndatasize())\n revert(fmp, returndatasize())\n }\n // if the return value is not true, then the call is only successful if:\n // - the token address has code\n // - the returndata is empty\n success := and(success, and(iszero(returndatasize()), gt(extcodesize(token), 0)))\n }\n mstore(0x40, fmp)\n }\n }\n\n /**\n * @dev Imitates a Solidity `token.transferFrom(from, to, value)` call, relaxing the requirement on the return\n * value: the return value is optional (but if data is returned, it must not be false).\n *\n * @param token The token targeted by the call.\n * @param from The sender of the tokens\n * @param to The recipient of the tokens\n * @param value The amount of token to transfer\n * @param bubble Behavior switch if the transfer call reverts: bubble the revert reason or return a false boolean.\n */\n function _safeTransferFrom(\n IERC20 token,\n address from,\n address to,\n uint256 value,\n bool bubble\n ) private returns (bool success) {\n bytes4 selector = IERC20.transferFrom.selector;\n\n assembly (\"memory-safe\") {\n let fmp := mload(0x40)\n mstore(0x00, selector)\n mstore(0x04, and(from, shr(96, not(0))))\n mstore(0x24, and(to, shr(96, not(0))))\n mstore(0x44, value)\n success := call(gas(), token, 0, 0x00, 0x64, 0x00, 0x20)\n // if call success and return is true, all is good.\n // otherwise (not success or return is not true), we need to perform further checks\n if iszero(and(success, eq(mload(0x00), 1))) {\n // if the call was a failure and bubble is enabled, bubble the error\n if and(iszero(success), bubble) {\n returndatacopy(fmp, 0x00, returndatasize())\n revert(fmp, returndatasize())\n }\n // if the return value is not true, then the call is only successful if:\n // - the token address has code\n // - the returndata is empty\n success := and(success, and(iszero(returndatasize()), gt(extcodesize(token), 0)))\n }\n mstore(0x40, fmp)\n mstore(0x60, 0)\n }\n }\n\n /**\n * @dev Imitates a Solidity `token.approve(spender, value)` call, relaxing the requirement on the return value:\n * the return value is optional (but if data is returned, it must not be false).\n *\n * @param token The token targeted by the call.\n * @param spender The spender of the tokens\n * @param value The amount of token to transfer\n * @param bubble Behavior switch if the transfer call reverts: bubble the revert reason or return a false boolean.\n */\n function _safeApprove(IERC20 token, address spender, uint256 value, bool bubble) private returns (bool success) {\n bytes4 selector = IERC20.approve.selector;\n\n assembly (\"memory-safe\") {\n let fmp := mload(0x40)\n mstore(0x00, selector)\n mstore(0x04, and(spender, shr(96, not(0))))\n mstore(0x24, value)\n success := call(gas(), token, 0, 0x00, 0x44, 0x00, 0x20)\n // if call success and return is true, all is good.\n // otherwise (not success or return is not true), we need to perform further checks\n if iszero(and(success, eq(mload(0x00), 1))) {\n // if the call was a failure and bubble is enabled, bubble the error\n if and(iszero(success), bubble) {\n returndatacopy(fmp, 0x00, returndatasize())\n revert(fmp, returndatasize())\n }\n // if the return value is not true, then the call is only successful if:\n // - the token address has code\n // - the returndata is empty\n success := and(success, and(iszero(returndatasize()), gt(extcodesize(token), 0)))\n }\n mstore(0x40, fmp)\n }\n }\n}\n"},"@openzeppelin/contracts/token/ERC20/extensions/IERC20Metadata.sol":{"content":"// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.4.0) (token/ERC20/extensions/IERC20Metadata.sol)\n\npragma solidity >=0.6.2;\n\nimport {IERC20} from \"../IERC20.sol\";\n\n/**\n * @dev Interface for the optional metadata functions from the ERC-20 standard.\n */\ninterface IERC20Metadata is IERC20 {\n /**\n * @dev Returns the name of the token.\n */\n function name() external view returns (string memory);\n\n /**\n * @dev Returns the symbol of the token.\n */\n function symbol() external view returns (string memory);\n\n /**\n * @dev Returns the decimals places of the token.\n */\n function decimals() external view returns (uint8);\n}\n"},"@openzeppelin/contracts/utils/Context.sol":{"content":"// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.0.1) (utils/Context.sol)\n\npragma solidity ^0.8.20;\n\n/**\n * @dev Provides information about the current execution context, including the\n * sender of the transaction and its data. While these are generally available\n * via msg.sender and msg.data, they should not be accessed in such a direct\n * manner, since when dealing with meta-transactions the account sending and\n * paying for execution may not be the actual sender (as far as an application\n * is concerned).\n *\n * This contract is only required for intermediate, library-like contracts.\n */\nabstract contract Context {\n function _msgSender() internal view virtual returns (address) {\n return msg.sender;\n }\n\n function _msgData() internal view virtual returns (bytes calldata) {\n return msg.data;\n }\n\n function _contextSuffixLength() internal view virtual returns (uint256) {\n return 0;\n }\n}\n"},"@openzeppelin/contracts/interfaces/draft-IERC6093.sol":{"content":"// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.5.0) (interfaces/draft-IERC6093.sol)\n\npragma solidity >=0.8.4;\n\n/**\n * @dev Standard ERC-20 Errors\n * Interface of the https://eips.ethereum.org/EIPS/eip-6093[ERC-6093] custom errors for ERC-20 tokens.\n */\ninterface IERC20Errors {\n /**\n * @dev Indicates an error related to the current `balance` of a `sender`. Used in transfers.\n * @param sender Address whose tokens are being transferred.\n * @param balance Current balance for the interacting account.\n * @param needed Minimum amount required to perform a transfer.\n */\n error ERC20InsufficientBalance(address sender, uint256 balance, uint256 needed);\n\n /**\n * @dev Indicates a failure with the token `sender`. Used in transfers.\n * @param sender Address whose tokens are being transferred.\n */\n error ERC20InvalidSender(address sender);\n\n /**\n * @dev Indicates a failure with the token `receiver`. Used in transfers.\n * @param receiver Address to which tokens are being transferred.\n */\n error ERC20InvalidReceiver(address receiver);\n\n /**\n * @dev Indicates a failure with the `spender`’s `allowance`. Used in transfers.\n * @param spender Address that may be allowed to operate on tokens without being their owner.\n * @param allowance Amount of tokens a `spender` is allowed to operate with.\n * @param needed Minimum amount required to perform a transfer.\n */\n error ERC20InsufficientAllowance(address spender, uint256 allowance, uint256 needed);\n\n /**\n * @dev Indicates a failure with the `approver` of a token to be approved. Used in approvals.\n * @param approver Address initiating an approval operation.\n */\n error ERC20InvalidApprover(address approver);\n\n /**\n * @dev Indicates a failure with the `spender` to be approved. Used in approvals.\n * @param spender Address that may be allowed to operate on tokens without being their owner.\n */\n error ERC20InvalidSpender(address spender);\n}\n\n/**\n * @dev Standard ERC-721 Errors\n * Interface of the https://eips.ethereum.org/EIPS/eip-6093[ERC-6093] custom errors for ERC-721 tokens.\n */\ninterface IERC721Errors {\n /**\n * @dev Indicates that an address can't be an owner. For example, `address(0)` is a forbidden owner in ERC-721.\n * Used in balance queries.\n * @param owner Address of the current owner of a token.\n */\n error ERC721InvalidOwner(address owner);\n\n /**\n * @dev Indicates a `tokenId` whose `owner` is the zero address.\n * @param tokenId Identifier number of a token.\n */\n error ERC721NonexistentToken(uint256 tokenId);\n\n /**\n * @dev Indicates an error related to the ownership over a particular token. Used in transfers.\n * @param sender Address whose tokens are being transferred.\n * @param tokenId Identifier number of a token.\n * @param owner Address of the current owner of a token.\n */\n error ERC721IncorrectOwner(address sender, uint256 tokenId, address owner);\n\n /**\n * @dev Indicates a failure with the token `sender`. Used in transfers.\n * @param sender Address whose tokens are being transferred.\n */\n error ERC721InvalidSender(address sender);\n\n /**\n * @dev Indicates a failure with the token `receiver`. Used in transfers.\n * @param receiver Address to which tokens are being transferred.\n */\n error ERC721InvalidReceiver(address receiver);\n\n /**\n * @dev Indicates a failure with the `operator`’s approval. Used in transfers.\n * @param operator Address that may be allowed to operate on tokens without being their owner.\n * @param tokenId Identifier number of a token.\n */\n error ERC721InsufficientApproval(address operator, uint256 tokenId);\n\n /**\n * @dev Indicates a failure with the `approver` of a token to be approved. Used in approvals.\n * @param approver Address initiating an approval operation.\n */\n error ERC721InvalidApprover(address approver);\n\n /**\n * @dev Indicates a failure with the `operator` to be approved. Used in approvals.\n * @param operator Address that may be allowed to operate on tokens without being their owner.\n */\n error ERC721InvalidOperator(address operator);\n}\n\n/**\n * @dev Standard ERC-1155 Errors\n * Interface of the https://eips.ethereum.org/EIPS/eip-6093[ERC-6093] custom errors for ERC-1155 tokens.\n */\ninterface IERC1155Errors {\n /**\n * @dev Indicates an error related to the current `balance` of a `sender`. Used in transfers.\n * @param sender Address whose tokens are being transferred.\n * @param balance Current balance for the interacting account.\n * @param needed Minimum amount required to perform a transfer.\n * @param tokenId Identifier number of a token.\n */\n error ERC1155InsufficientBalance(address sender, uint256 balance, uint256 needed, uint256 tokenId);\n\n /**\n * @dev Indicates a failure with the token `sender`. Used in transfers.\n * @param sender Address whose tokens are being transferred.\n */\n error ERC1155InvalidSender(address sender);\n\n /**\n * @dev Indicates a failure with the token `receiver`. Used in transfers.\n * @param receiver Address to which tokens are being transferred.\n */\n error ERC1155InvalidReceiver(address receiver);\n\n /**\n * @dev Indicates a failure with the `operator`’s approval. Used in transfers.\n * @param operator Address that may be allowed to operate on tokens without being their owner.\n * @param owner Address of the current owner of a token.\n */\n error ERC1155MissingApprovalForAll(address operator, address owner);\n\n /**\n * @dev Indicates a failure with the `approver` of a token to be approved. Used in approvals.\n * @param approver Address initiating an approval operation.\n */\n error ERC1155InvalidApprover(address approver);\n\n /**\n * @dev Indicates a failure with the `operator` to be approved. Used in approvals.\n * @param operator Address that may be allowed to operate on tokens without being their owner.\n */\n error ERC1155InvalidOperator(address operator);\n\n /**\n * @dev Indicates an array length mismatch between ids and values in a safeBatchTransferFrom operation.\n * Used in batch transfers.\n * @param idsLength Length of the array of token identifiers\n * @param valuesLength Length of the array of token amounts\n */\n error ERC1155InvalidArrayLength(uint256 idsLength, uint256 valuesLength);\n}\n"},"@openzeppelin/contracts/utils/Pausable.sol":{"content":"// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.3.0) (utils/Pausable.sol)\n\npragma solidity ^0.8.20;\n\nimport {Context} from \"../utils/Context.sol\";\n\n/**\n * @dev Contract module which allows children to implement an emergency stop\n * mechanism that can be triggered by an authorized account.\n *\n * This module is used through inheritance. It will make available the\n * modifiers `whenNotPaused` and `whenPaused`, which can be applied to\n * the functions of your contract. Note that they will not be pausable by\n * simply including this module, only once the modifiers are put in place.\n */\nabstract contract Pausable is Context {\n bool private _paused;\n\n /**\n * @dev Emitted when the pause is triggered by `account`.\n */\n event Paused(address account);\n\n /**\n * @dev Emitted when the pause is lifted by `account`.\n */\n event Unpaused(address account);\n\n /**\n * @dev The operation failed because the contract is paused.\n */\n error EnforcedPause();\n\n /**\n * @dev The operation failed because the contract is not paused.\n */\n error ExpectedPause();\n\n /**\n * @dev Modifier to make a function callable only when the contract is not paused.\n *\n * Requirements:\n *\n * - The contract must not be paused.\n */\n modifier whenNotPaused() {\n _requireNotPaused();\n _;\n }\n\n /**\n * @dev Modifier to make a function callable only when the contract is paused.\n *\n * Requirements:\n *\n * - The contract must be paused.\n */\n modifier whenPaused() {\n _requirePaused();\n _;\n }\n\n /**\n * @dev Returns true if the contract is paused, and false otherwise.\n */\n function paused() public view virtual returns (bool) {\n return _paused;\n }\n\n /**\n * @dev Throws if the contract is paused.\n */\n function _requireNotPaused() internal view virtual {\n if (paused()) {\n revert EnforcedPause();\n }\n }\n\n /**\n * @dev Throws if the contract is not paused.\n */\n function _requirePaused() internal view virtual {\n if (!paused()) {\n revert ExpectedPause();\n }\n }\n\n /**\n * @dev Triggers stopped state.\n *\n * Requirements:\n *\n * - The contract must not be paused.\n */\n function _pause() internal virtual whenNotPaused {\n _paused = true;\n emit Paused(_msgSender());\n }\n\n /**\n * @dev Returns to normal state.\n *\n * Requirements:\n *\n * - The contract must be paused.\n */\n function _unpause() internal virtual whenPaused {\n _paused = false;\n emit Unpaused(_msgSender());\n }\n}\n"},"@openzeppelin/contracts/interfaces/IERC1363.sol":{"content":"// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.4.0) (interfaces/IERC1363.sol)\n\npragma solidity >=0.6.2;\n\nimport {IERC20} from \"./IERC20.sol\";\nimport {IERC165} from \"./IERC165.sol\";\n\n/**\n * @title IERC1363\n * @dev Interface of the ERC-1363 standard as defined in the https://eips.ethereum.org/EIPS/eip-1363[ERC-1363].\n *\n * Defines an extension interface for ERC-20 tokens that supports executing code on a recipient contract\n * after `transfer` or `transferFrom`, or code on a spender contract after `approve`, in a single transaction.\n */\ninterface IERC1363 is IERC20, IERC165 {\n /*\n * Note: the ERC-165 identifier for this interface is 0xb0202a11.\n * 0xb0202a11 ===\n * bytes4(keccak256('transferAndCall(address,uint256)')) ^\n * bytes4(keccak256('transferAndCall(address,uint256,bytes)')) ^\n * bytes4(keccak256('transferFromAndCall(address,address,uint256)')) ^\n * bytes4(keccak256('transferFromAndCall(address,address,uint256,bytes)')) ^\n * bytes4(keccak256('approveAndCall(address,uint256)')) ^\n * bytes4(keccak256('approveAndCall(address,uint256,bytes)'))\n */\n\n /**\n * @dev Moves a `value` amount of tokens from the caller's account to `to`\n * and then calls {IERC1363Receiver-onTransferReceived} on `to`.\n * @param to The address which you want to transfer to.\n * @param value The amount of tokens to be transferred.\n * @return A boolean value indicating whether the operation succeeded unless throwing.\n */\n function transferAndCall(address to, uint256 value) external returns (bool);\n\n /**\n * @dev Moves a `value` amount of tokens from the caller's account to `to`\n * and then calls {IERC1363Receiver-onTransferReceived} on `to`.\n * @param to The address which you want to transfer to.\n * @param value The amount of tokens to be transferred.\n * @param data Additional data with no specified format, sent in call to `to`.\n * @return A boolean value indicating whether the operation succeeded unless throwing.\n */\n function transferAndCall(address to, uint256 value, bytes calldata data) external returns (bool);\n\n /**\n * @dev Moves a `value` amount of tokens from `from` to `to` using the allowance mechanism\n * and then calls {IERC1363Receiver-onTransferReceived} on `to`.\n * @param from The address which you want to send tokens from.\n * @param to The address which you want to transfer to.\n * @param value The amount of tokens to be transferred.\n * @return A boolean value indicating whether the operation succeeded unless throwing.\n */\n function transferFromAndCall(address from, address to, uint256 value) external returns (bool);\n\n /**\n * @dev Moves a `value` amount of tokens from `from` to `to` using the allowance mechanism\n * and then calls {IERC1363Receiver-onTransferReceived} on `to`.\n * @param from The address which you want to send tokens from.\n * @param to The address which you want to transfer to.\n * @param value The amount of tokens to be transferred.\n * @param data Additional data with no specified format, sent in call to `to`.\n * @return A boolean value indicating whether the operation succeeded unless throwing.\n */\n function transferFromAndCall(address from, address to, uint256 value, bytes calldata data) external returns (bool);\n\n /**\n * @dev Sets a `value` amount of tokens as the allowance of `spender` over the\n * caller's tokens and then calls {IERC1363Spender-onApprovalReceived} on `spender`.\n * @param spender The address which will spend the funds.\n * @param value The amount of tokens to be spent.\n * @return A boolean value indicating whether the operation succeeded unless throwing.\n */\n function approveAndCall(address spender, uint256 value) external returns (bool);\n\n /**\n * @dev Sets a `value` amount of tokens as the allowance of `spender` over the\n * caller's tokens and then calls {IERC1363Spender-onApprovalReceived} on `spender`.\n * @param spender The address which will spend the funds.\n * @param value The amount of tokens to be spent.\n * @param data Additional data with no specified format, sent in call to `spender`.\n * @return A boolean value indicating whether the operation succeeded unless throwing.\n */\n function approveAndCall(address spender, uint256 value, bytes calldata data) external returns (bool);\n}\n"},"@openzeppelin/contracts/interfaces/IERC20.sol":{"content":"// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.4.0) (interfaces/IERC20.sol)\n\npragma solidity >=0.4.16;\n\nimport {IERC20} from \"../token/ERC20/IERC20.sol\";\n"},"@openzeppelin/contracts/interfaces/IERC165.sol":{"content":"// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.4.0) (interfaces/IERC165.sol)\n\npragma solidity >=0.4.16;\n\nimport {IERC165} from \"../utils/introspection/IERC165.sol\";\n"},"@openzeppelin/contracts/utils/introspection/IERC165.sol":{"content":"// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.4.0) (utils/introspection/IERC165.sol)\n\npragma solidity >=0.4.16;\n\n/**\n * @dev Interface of the ERC-165 standard, as defined in the\n * https://eips.ethereum.org/EIPS/eip-165[ERC].\n *\n * Implementers can declare support of contract interfaces, which can then be\n * queried by others ({ERC165Checker}).\n *\n * For an implementation, see {ERC165}.\n */\ninterface IERC165 {\n /**\n * @dev Returns true if this contract implements the interface defined by\n * `interfaceId`. See the corresponding\n * https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[ERC section]\n * to learn more about how these ids are created.\n *\n * This function call must use less than 30 000 gas.\n */\n function supportsInterface(bytes4 interfaceId) external view returns (bool);\n}\n"}},"settings":{"optimizer":{"enabled":true,"runs":200},"viaIR":true,"evmVersion":"paris","outputSelection":{"*":{"*":["abi","evm.bytecode.object"]}}}}