{ "language": "Solidity", "sources": { "contracts/eip/interface/IERC165.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (utils/introspection/IERC165.sol)\n\npragma solidity ^0.8.0;\n\n/**\n * @dev Interface of the ERC165 standard, as defined in the\n * [EIP](https://eips.ethereum.org/EIPS/eip-165).\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 * [EIP section](https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified)\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" }, "contracts/eip/interface/IERC20.sol": { "content": "// SPDX-License-Identifier: Apache-2.0\npragma solidity ^0.8.0;\n\n/**\n * @title ERC20 interface\n * @dev see https://github.com/ethereum/EIPs/issues/20\n */\ninterface IERC20 {\n function totalSupply() external view returns (uint256);\n\n function balanceOf(address who) external view returns (uint256);\n\n function allowance(address owner, address spender) external view returns (uint256);\n\n function transfer(address to, uint256 value) external returns (bool);\n\n function approve(address spender, uint256 value) external returns (bool);\n\n function transferFrom(\n address from,\n address to,\n uint256 value\n ) external returns (bool);\n\n event Transfer(address indexed from, address indexed to, uint256 value);\n\n event Approval(address indexed owner, address indexed spender, uint256 value);\n}\n" }, "contracts/eip/interface/IERC2981.sol": { "content": "// SPDX-License-Identifier: Apache 2.0\npragma solidity ^0.8.0;\n\nimport \"./IERC165.sol\";\n\n/**\n * @dev Interface for the NFT Royalty Standard.\n *\n * A standardized way to retrieve royalty payment information for non-fungible tokens (NFTs) to enable universal\n * support for royalty payments across all NFT marketplaces and ecosystem participants.\n *\n * _Available since v4.5._\n */\ninterface IERC2981 is IERC165 {\n /**\n * @dev Returns how much royalty is owed and to whom, based on a sale price that may be denominated in any unit of\n * exchange. The royalty amount is denominated and should be payed in that same unit of exchange.\n */\n function royaltyInfo(uint256 tokenId, uint256 salePrice)\n external\n view\n returns (address receiver, uint256 royaltyAmount);\n}\n" }, "contracts/extension/BatchMintMetadata.sol": { "content": "// SPDX-License-Identifier: Apache-2.0\npragma solidity ^0.8.0;\n\n/**\n * @title Batch-mint Metadata\n * @notice The `BatchMintMetadata` is a contract extension for any base NFT contract. It lets the smart contract\n * using this extension set metadata for `n` number of NFTs all at once. This is enabled by storing a single\n * base URI for a batch of `n` NFTs, where the metadata for each NFT in a relevant batch is `baseURI/tokenId`.\n */\n\ncontract BatchMintMetadata {\n /// @dev Largest tokenId of each batch of tokens with the same baseURI.\n uint256[] private batchIds;\n\n /// @dev Mapping from id of a batch of tokens => to base URI for the respective batch of tokens.\n mapping(uint256 => string) private baseURI;\n\n /**\n * @notice Returns the count of batches of NFTs.\n * @dev Each batch of tokens has an in ID and an associated `baseURI`.\n * See {batchIds}.\n */\n function getBaseURICount() public view returns (uint256) {\n return batchIds.length;\n }\n\n /**\n * @notice Returns the ID for the batch of tokens the given tokenId belongs to.\n * @dev See {getBaseURICount}.\n * @param _index ID of a token.\n */\n function getBatchIdAtIndex(uint256 _index) public view returns (uint256) {\n if (_index >= getBaseURICount()) {\n revert(\"Invalid index\");\n }\n return batchIds[_index];\n }\n\n /// @dev Returns the id for the batch of tokens the given tokenId belongs to.\n function _getBatchId(uint256 _tokenId) internal view returns (uint256 batchId, uint256 index) {\n uint256 numOfTokenBatches = getBaseURICount();\n uint256[] memory indices = batchIds;\n\n for (uint256 i = 0; i < numOfTokenBatches; i += 1) {\n if (_tokenId < indices[i]) {\n index = i;\n batchId = indices[i];\n\n return (batchId, index);\n }\n }\n\n revert(\"Invalid tokenId\");\n }\n\n /// @dev Returns the baseURI for a token. The intended metadata URI for the token is baseURI + tokenId.\n function _getBaseURI(uint256 _tokenId) internal view returns (string memory) {\n uint256 numOfTokenBatches = getBaseURICount();\n uint256[] memory indices = batchIds;\n\n for (uint256 i = 0; i < numOfTokenBatches; i += 1) {\n if (_tokenId < indices[i]) {\n return baseURI[indices[i]];\n }\n }\n revert(\"Invalid tokenId\");\n }\n\n /// @dev Sets the base URI for the batch of tokens with the given batchId.\n function _setBaseURI(uint256 _batchId, string memory _baseURI) internal {\n baseURI[_batchId] = _baseURI;\n }\n\n /// @dev Mints a batch of tokenIds and associates a common baseURI to all those Ids.\n function _batchMintMetadata(\n uint256 _startId,\n uint256 _amountToMint,\n string memory _baseURIForTokens\n ) internal returns (uint256 nextTokenIdToMint, uint256 batchId) {\n batchId = _startId + _amountToMint;\n nextTokenIdToMint = batchId;\n\n batchIds.push(batchId);\n\n baseURI[batchId] = _baseURIForTokens;\n }\n}\n" }, "contracts/extension/ContractMetadata.sol": { "content": "// SPDX-License-Identifier: Apache-2.0\npragma solidity ^0.8.0;\n\nimport \"./interface/IContractMetadata.sol\";\n\n/**\n * @title Contract Metadata\n * @notice Thirdweb's `ContractMetadata` is a contract extension for any base contracts. It lets you set a metadata URI\n * for you contract.\n * Additionally, `ContractMetadata` is necessary for NFT contracts that want royalties to get distributed on OpenSea.\n */\n\nabstract contract ContractMetadata is IContractMetadata {\n /// @notice Returns the contract metadata URI.\n string public override contractURI;\n\n /**\n * @notice Lets a contract admin set the URI for contract-level metadata.\n * @dev Caller should be authorized to setup contractURI, e.g. contract admin.\n * See {_canSetContractURI}.\n * Emits {ContractURIUpdated Event}.\n *\n * @param _uri keccak256 hash of the role. e.g. keccak256(\"TRANSFER_ROLE\")\n */\n function setContractURI(string memory _uri) external override {\n if (!_canSetContractURI()) {\n revert(\"Not authorized\");\n }\n\n _setupContractURI(_uri);\n }\n\n /// @dev Lets a contract admin set the URI for contract-level metadata.\n function _setupContractURI(string memory _uri) internal {\n string memory prevURI = contractURI;\n contractURI = _uri;\n\n emit ContractURIUpdated(prevURI, _uri);\n }\n\n /// @dev Returns whether contract metadata can be set in the given execution context.\n function _canSetContractURI() internal view virtual returns (bool);\n}\n" }, "contracts/extension/DelayedReveal.sol": { "content": "// SPDX-License-Identifier: Apache-2.0\npragma solidity ^0.8.0;\n\nimport \"./interface/IDelayedReveal.sol\";\n\n/**\n * @title Delayed Reveal\n * @notice Thirdweb's `DelayedReveal` is a contract extension for base NFT contracts. It lets you create batches of\n * 'delayed-reveal' NFTs. You can learn more about the usage of delayed reveal NFTs here - https://blog.thirdweb.com/delayed-reveal-nfts\n */\n\nabstract contract DelayedReveal is IDelayedReveal {\n /// @dev Mapping from tokenId of a batch of tokens => to delayed reveal data.\n mapping(uint256 => bytes) public encryptedData;\n\n /// @dev Sets the delayed reveal data for a batchId.\n function _setEncryptedData(uint256 _batchId, bytes memory _encryptedData) internal {\n encryptedData[_batchId] = _encryptedData;\n }\n\n /**\n * @notice Returns revealed URI for a batch of NFTs.\n * @dev Reveal encrypted base URI for `_batchId` with caller/admin's `_key` used for encryption.\n * Reverts if there's no encrypted URI for `_batchId`.\n * See {encryptDecrypt}.\n *\n * @param _batchId ID of the batch for which URI is being revealed.\n * @param _key Secure key used by caller/admin for encryption of baseURI.\n *\n * @return revealedURI Decrypted base URI.\n */\n function getRevealURI(uint256 _batchId, bytes calldata _key) public view returns (string memory revealedURI) {\n bytes memory data = encryptedData[_batchId];\n if (data.length == 0) {\n revert(\"Nothing to reveal\");\n }\n\n (bytes memory encryptedURI, bytes32 provenanceHash) = abi.decode(data, (bytes, bytes32));\n\n revealedURI = string(encryptDecrypt(encryptedURI, _key));\n\n require(keccak256(abi.encodePacked(revealedURI, _key, block.chainid)) == provenanceHash, \"Incorrect key\");\n }\n\n /**\n * @notice Encrypt/decrypt data on chain.\n * @dev Encrypt/decrypt given `data` with `key`. Uses inline assembly.\n * See: https://ethereum.stackexchange.com/questions/69825/decrypt-message-on-chain\n *\n * @param data Bytes of data to encrypt/decrypt.\n * @param key Secure key used by caller for encryption/decryption.\n *\n * @return result Output after encryption/decryption of given data.\n */\n function encryptDecrypt(bytes memory data, bytes calldata key) public pure override returns (bytes memory result) {\n // Store data length on stack for later use\n uint256 length = data.length;\n\n // solhint-disable-next-line no-inline-assembly\n assembly {\n // Set result to free memory pointer\n result := mload(0x40)\n // Increase free memory pointer by lenght + 32\n mstore(0x40, add(add(result, length), 32))\n // Set result length\n mstore(result, length)\n }\n\n // Iterate over the data stepping by 32 bytes\n for (uint256 i = 0; i < length; i += 32) {\n // Generate hash of the key and offset\n bytes32 hash = keccak256(abi.encodePacked(key, i));\n\n bytes32 chunk;\n // solhint-disable-next-line no-inline-assembly\n assembly {\n // Read 32-bytes data chunk\n chunk := mload(add(data, add(i, 32)))\n }\n // XOR the chunk with hash\n chunk ^= hash;\n // solhint-disable-next-line no-inline-assembly\n assembly {\n // Write 32-byte encrypted chunk\n mstore(add(result, add(i, 32)), chunk)\n }\n }\n }\n\n /**\n * @notice Returns whether the relvant batch of NFTs is subject to a delayed reveal.\n * @dev Returns `true` if `_batchId`'s base URI is encrypted.\n * @param _batchId ID of a batch of NFTs.\n */\n function isEncryptedBatch(uint256 _batchId) public view returns (bool) {\n return encryptedData[_batchId].length > 0;\n }\n}\n" }, "contracts/extension/DropSinglePhase.sol": { "content": "// SPDX-License-Identifier: Apache-2.0\npragma solidity ^0.8.0;\n\nimport \"./interface/IDropSinglePhase.sol\";\nimport \"../lib/MerkleProof.sol\";\n\nabstract contract DropSinglePhase is IDropSinglePhase {\n /*///////////////////////////////////////////////////////////////\n State variables\n //////////////////////////////////////////////////////////////*/\n\n /// @dev The active conditions for claiming tokens.\n ClaimCondition public claimCondition;\n\n /// @dev The ID for the active claim condition.\n bytes32 private conditionId;\n\n /*///////////////////////////////////////////////////////////////\n Mappings\n //////////////////////////////////////////////////////////////*/\n\n /**\n * @dev Map from a claim condition uid and account to supply claimed by account.\n */\n mapping(bytes32 => mapping(address => uint256)) private supplyClaimedByWallet;\n\n /*///////////////////////////////////////////////////////////////\n Drop logic\n //////////////////////////////////////////////////////////////*/\n\n /// @dev Lets an account claim tokens.\n function claim(\n address _receiver,\n uint256 _quantity,\n address _currency,\n uint256 _pricePerToken,\n AllowlistProof calldata _allowlistProof,\n bytes memory _data\n ) public payable virtual override {\n _beforeClaim(_receiver, _quantity, _currency, _pricePerToken, _allowlistProof, _data);\n\n bytes32 activeConditionId = conditionId;\n\n verifyClaim(_dropMsgSender(), _quantity, _currency, _pricePerToken, _allowlistProof);\n\n // Update contract state.\n claimCondition.supplyClaimed += _quantity;\n supplyClaimedByWallet[activeConditionId][_dropMsgSender()] += _quantity;\n\n // If there's a price, collect price.\n _collectPriceOnClaim(address(0), _quantity, _currency, _pricePerToken);\n\n // Mint the relevant NFTs to claimer.\n uint256 startTokenId = _transferTokensOnClaim(_receiver, _quantity);\n\n emit TokensClaimed(_dropMsgSender(), _receiver, startTokenId, _quantity);\n\n _afterClaim(_receiver, _quantity, _currency, _pricePerToken, _allowlistProof, _data);\n }\n\n /// @dev Lets a contract admin set claim conditions.\n function setClaimConditions(ClaimCondition calldata _condition, bool _resetClaimEligibility) external override {\n if (!_canSetClaimConditions()) {\n revert(\"Not authorized\");\n }\n\n bytes32 targetConditionId = conditionId;\n uint256 supplyClaimedAlready = claimCondition.supplyClaimed;\n\n if (_resetClaimEligibility) {\n supplyClaimedAlready = 0;\n targetConditionId = keccak256(abi.encodePacked(_dropMsgSender(), block.number));\n }\n\n if (supplyClaimedAlready > _condition.maxClaimableSupply) {\n revert(\"max supply claimed\");\n }\n\n claimCondition = ClaimCondition({\n startTimestamp: _condition.startTimestamp,\n maxClaimableSupply: _condition.maxClaimableSupply,\n supplyClaimed: supplyClaimedAlready,\n quantityLimitPerWallet: _condition.quantityLimitPerWallet,\n merkleRoot: _condition.merkleRoot,\n pricePerToken: _condition.pricePerToken,\n currency: _condition.currency,\n metadata: _condition.metadata\n });\n conditionId = targetConditionId;\n\n emit ClaimConditionUpdated(_condition, _resetClaimEligibility);\n }\n\n /// @dev Checks a request to claim NFTs against the active claim condition's criteria.\n function verifyClaim(\n address _claimer,\n uint256 _quantity,\n address _currency,\n uint256 _pricePerToken,\n AllowlistProof calldata _allowlistProof\n ) public view returns (bool isOverride) {\n ClaimCondition memory currentClaimPhase = claimCondition;\n uint256 claimLimit = currentClaimPhase.quantityLimitPerWallet;\n uint256 claimPrice = currentClaimPhase.pricePerToken;\n address claimCurrency = currentClaimPhase.currency;\n\n if (currentClaimPhase.merkleRoot != bytes32(0)) {\n (isOverride, ) = MerkleProof.verify(\n _allowlistProof.proof,\n currentClaimPhase.merkleRoot,\n keccak256(\n abi.encodePacked(\n _claimer,\n _allowlistProof.quantityLimitPerWallet,\n _allowlistProof.pricePerToken,\n _allowlistProof.currency\n )\n )\n );\n }\n\n if (isOverride) {\n claimLimit = _allowlistProof.quantityLimitPerWallet != 0\n ? _allowlistProof.quantityLimitPerWallet\n : claimLimit;\n claimPrice = _allowlistProof.pricePerToken != type(uint256).max\n ? _allowlistProof.pricePerToken\n : claimPrice;\n claimCurrency = _allowlistProof.pricePerToken != type(uint256).max && _allowlistProof.currency != address(0)\n ? _allowlistProof.currency\n : claimCurrency;\n }\n\n uint256 _supplyClaimedByWallet = supplyClaimedByWallet[conditionId][_claimer];\n\n if (_currency != claimCurrency || _pricePerToken != claimPrice) {\n revert(\"!PriceOrCurrency\");\n }\n\n if (_quantity == 0 || (_quantity + _supplyClaimedByWallet > claimLimit)) {\n revert(\"!Qty\");\n }\n\n if (currentClaimPhase.supplyClaimed + _quantity > currentClaimPhase.maxClaimableSupply) {\n revert(\"!MaxSupply\");\n }\n\n if (currentClaimPhase.startTimestamp > block.timestamp) {\n revert(\"cant claim yet\");\n }\n }\n\n /// @dev Returns the supply claimed by claimer for active conditionId.\n function getSupplyClaimedByWallet(address _claimer) public view returns (uint256) {\n return supplyClaimedByWallet[conditionId][_claimer];\n }\n\n /*////////////////////////////////////////////////////////////////////\n Optional hooks that can be implemented in the derived contract\n ///////////////////////////////////////////////////////////////////*/\n\n /// @dev Exposes the ability to override the msg sender.\n function _dropMsgSender() internal virtual returns (address) {\n return msg.sender;\n }\n\n /// @dev Runs before every `claim` function call.\n function _beforeClaim(\n address _receiver,\n uint256 _quantity,\n address _currency,\n uint256 _pricePerToken,\n AllowlistProof calldata _allowlistProof,\n bytes memory _data\n ) internal virtual {}\n\n /// @dev Runs after every `claim` function call.\n function _afterClaim(\n address _receiver,\n uint256 _quantity,\n address _currency,\n uint256 _pricePerToken,\n AllowlistProof calldata _allowlistProof,\n bytes memory _data\n ) internal virtual {}\n\n /// @dev Collects and distributes the primary sale value of NFTs being claimed.\n function _collectPriceOnClaim(\n address _primarySaleRecipient,\n uint256 _quantityToClaim,\n address _currency,\n uint256 _pricePerToken\n ) internal virtual;\n\n /// @dev Transfers the NFTs being claimed.\n function _transferTokensOnClaim(address _to, uint256 _quantityBeingClaimed)\n internal\n virtual\n returns (uint256 startTokenId);\n\n function _canSetClaimConditions() internal view virtual returns (bool);\n}\n" }, "contracts/extension/LazyMint.sol": { "content": "// SPDX-License-Identifier: Apache-2.0\npragma solidity ^0.8.0;\n\nimport \"./interface/ILazyMint.sol\";\nimport \"./BatchMintMetadata.sol\";\n\n/**\n * The `LazyMint` is a contract extension for any base NFT contract. It lets you 'lazy mint' any number of NFTs\n * at once. Here, 'lazy mint' means defining the metadata for particular tokenIds of your NFT contract, without actually\n * minting a non-zero balance of NFTs of those tokenIds.\n */\n\nabstract contract LazyMint is ILazyMint, BatchMintMetadata {\n /// @notice The tokenId assigned to the next new NFT to be lazy minted.\n uint256 internal nextTokenIdToLazyMint;\n\n /**\n * @notice Lets an authorized address lazy mint a given amount of NFTs.\n *\n * @param _amount The number of NFTs to lazy mint.\n * @param _baseURIForTokens The base URI for the 'n' number of NFTs being lazy minted, where the metadata for each\n * of those NFTs is `${baseURIForTokens}/${tokenId}`.\n * @param _data Additional bytes data to be used at the discretion of the consumer of the contract.\n * @return batchId A unique integer identifier for the batch of NFTs lazy minted together.\n */\n function lazyMint(\n uint256 _amount,\n string calldata _baseURIForTokens,\n bytes calldata _data\n ) public virtual override returns (uint256 batchId) {\n if (!_canLazyMint()) {\n revert(\"Not authorized\");\n }\n\n if (_amount == 0) {\n revert(\"0 amt\");\n }\n\n uint256 startId = nextTokenIdToLazyMint;\n\n (nextTokenIdToLazyMint, batchId) = _batchMintMetadata(startId, _amount, _baseURIForTokens);\n\n emit TokensLazyMinted(startId, startId + _amount - 1, _baseURIForTokens, _data);\n\n return batchId;\n }\n\n /// @dev Returns whether lazy minting can be performed in the given execution context.\n function _canLazyMint() internal view virtual returns (bool);\n}\n" }, "contracts/extension/Ownable.sol": { "content": "// SPDX-License-Identifier: Apache-2.0\npragma solidity ^0.8.0;\n\nimport \"./interface/IOwnable.sol\";\n\n/**\n * @title Ownable\n * @notice Thirdweb's `Ownable` is a contract extension to be used with any base contract. It exposes functions for setting and reading\n * who the 'owner' of the inheriting smart contract is, and lets the inheriting contract perform conditional logic that uses\n * information about who the contract's owner is.\n */\n\nabstract contract Ownable is IOwnable {\n /// @dev Owner of the contract (purpose: OpenSea compatibility)\n address private _owner;\n\n /// @dev Reverts if caller is not the owner.\n modifier onlyOwner() {\n if (msg.sender != _owner) {\n revert(\"Not authorized\");\n }\n _;\n }\n\n /**\n * @notice Returns the owner of the contract.\n */\n function owner() public view override returns (address) {\n return _owner;\n }\n\n /**\n * @notice Lets an authorized wallet set a new owner for the contract.\n * @param _newOwner The address to set as the new owner of the contract.\n */\n function setOwner(address _newOwner) external override {\n if (!_canSetOwner()) {\n revert(\"Not authorized\");\n }\n _setupOwner(_newOwner);\n }\n\n /// @dev Lets a contract admin set a new owner for the contract. The new owner must be a contract admin.\n function _setupOwner(address _newOwner) internal {\n address _prevOwner = _owner;\n _owner = _newOwner;\n\n emit OwnerUpdated(_prevOwner, _newOwner);\n }\n\n /// @dev Returns whether owner can be set in the given execution context.\n function _canSetOwner() internal view virtual returns (bool);\n}\n" }, "contracts/extension/Permissions.sol": { "content": "// SPDX-License-Identifier: Apache-2.0\npragma solidity ^0.8.0;\n\nimport \"./interface/IPermissions.sol\";\nimport \"../lib/TWStrings.sol\";\n\n/**\n * @title Permissions\n * @dev This contracts provides extending-contracts with role-based access control mechanisms\n */\ncontract Permissions is IPermissions {\n /// @dev Map from keccak256 hash of a role => a map from address => whether address has role.\n mapping(bytes32 => mapping(address => bool)) private _hasRole;\n\n /// @dev Map from keccak256 hash of a role to role admin. See {getRoleAdmin}.\n mapping(bytes32 => bytes32) private _getRoleAdmin;\n\n /// @dev Default admin role for all roles. Only accounts with this role can grant/revoke other roles.\n bytes32 public constant DEFAULT_ADMIN_ROLE = 0x00;\n\n /// @dev Modifier that checks if an account has the specified role; reverts otherwise.\n modifier onlyRole(bytes32 role) {\n _checkRole(role, msg.sender);\n _;\n }\n\n /**\n * @notice Checks whether an account has a particular role.\n * @dev Returns `true` if `account` has been granted `role`.\n *\n * @param role keccak256 hash of the role. e.g. keccak256(\"TRANSFER_ROLE\")\n * @param account Address of the account for which the role is being checked.\n */\n function hasRole(bytes32 role, address account) public view override returns (bool) {\n return _hasRole[role][account];\n }\n\n /**\n * @notice Checks whether an account has a particular role;\n * role restrictions can be swtiched on and off.\n *\n * @dev Returns `true` if `account` has been granted `role`.\n * Role restrictions can be swtiched on and off:\n * - If address(0) has ROLE, then the ROLE restrictions\n * don't apply.\n * - If address(0) does not have ROLE, then the ROLE\n * restrictions will apply.\n *\n * @param role keccak256 hash of the role. e.g. keccak256(\"TRANSFER_ROLE\")\n * @param account Address of the account for which the role is being checked.\n */\n function hasRoleWithSwitch(bytes32 role, address account) public view returns (bool) {\n if (!_hasRole[role][address(0)]) {\n return _hasRole[role][account];\n }\n\n return true;\n }\n\n /**\n * @notice Returns the admin role that controls the specified role.\n * @dev See {grantRole} and {revokeRole}.\n * To change a role's admin, use {_setRoleAdmin}.\n *\n * @param role keccak256 hash of the role. e.g. keccak256(\"TRANSFER_ROLE\")\n */\n function getRoleAdmin(bytes32 role) external view override returns (bytes32) {\n return _getRoleAdmin[role];\n }\n\n /**\n * @notice Grants a role to an account, if not previously granted.\n * @dev Caller must have admin role for the `role`.\n * Emits {RoleGranted Event}.\n *\n * @param role keccak256 hash of the role. e.g. keccak256(\"TRANSFER_ROLE\")\n * @param account Address of the account to which the role is being granted.\n */\n function grantRole(bytes32 role, address account) public virtual override {\n _checkRole(_getRoleAdmin[role], msg.sender);\n if (_hasRole[role][account]) {\n revert(\"Can only grant to non holders\");\n }\n _setupRole(role, account);\n }\n\n /**\n * @notice Revokes role from an account.\n * @dev Caller must have admin role for the `role`.\n * Emits {RoleRevoked Event}.\n *\n * @param role keccak256 hash of the role. e.g. keccak256(\"TRANSFER_ROLE\")\n * @param account Address of the account from which the role is being revoked.\n */\n function revokeRole(bytes32 role, address account) public virtual override {\n _checkRole(_getRoleAdmin[role], msg.sender);\n _revokeRole(role, account);\n }\n\n /**\n * @notice Revokes role from the account.\n * @dev Caller must have the `role`, with caller being the same as `account`.\n * Emits {RoleRevoked Event}.\n *\n * @param role keccak256 hash of the role. e.g. keccak256(\"TRANSFER_ROLE\")\n * @param account Address of the account from which the role is being revoked.\n */\n function renounceRole(bytes32 role, address account) public virtual override {\n if (msg.sender != account) {\n revert(\"Can only renounce for self\");\n }\n _revokeRole(role, account);\n }\n\n /// @dev Sets `adminRole` as `role`'s admin role.\n function _setRoleAdmin(bytes32 role, bytes32 adminRole) internal virtual {\n bytes32 previousAdminRole = _getRoleAdmin[role];\n _getRoleAdmin[role] = adminRole;\n emit RoleAdminChanged(role, previousAdminRole, adminRole);\n }\n\n /// @dev Sets up `role` for `account`\n function _setupRole(bytes32 role, address account) internal virtual {\n _hasRole[role][account] = true;\n emit RoleGranted(role, account, msg.sender);\n }\n\n /// @dev Revokes `role` from `account`\n function _revokeRole(bytes32 role, address account) internal virtual {\n _checkRole(role, account);\n delete _hasRole[role][account];\n emit RoleRevoked(role, account, msg.sender);\n }\n\n /// @dev Checks `role` for `account`. Reverts with a message including the required role.\n function _checkRole(bytes32 role, address account) internal view virtual {\n if (!_hasRole[role][account]) {\n revert(\n string(\n abi.encodePacked(\n \"Permissions: account \",\n TWStrings.toHexString(uint160(account), 20),\n \" is missing role \",\n TWStrings.toHexString(uint256(role), 32)\n )\n )\n );\n }\n }\n\n /// @dev Checks `role` for `account`. Reverts with a message including the required role.\n function _checkRoleWithSwitch(bytes32 role, address account) internal view virtual {\n if (!hasRoleWithSwitch(role, account)) {\n revert(\n string(\n abi.encodePacked(\n \"Permissions: account \",\n TWStrings.toHexString(uint160(account), 20),\n \" is missing role \",\n TWStrings.toHexString(uint256(role), 32)\n )\n )\n );\n }\n }\n}\n" }, "contracts/extension/PermissionsEnumerable.sol": { "content": "// SPDX-License-Identifier: Apache-2.0\npragma solidity ^0.8.0;\n\nimport \"./interface/IPermissionsEnumerable.sol\";\nimport \"./Permissions.sol\";\n\n/**\n * @title PermissionsEnumerable\n * @dev This contracts provides extending-contracts with role-based access control mechanisms.\n * Also provides interfaces to view all members with a given role, and total count of members.\n */\ncontract PermissionsEnumerable is IPermissionsEnumerable, Permissions {\n /**\n * @notice A data structure to store data of members for a given role.\n *\n * @param index Current index in the list of accounts that have a role.\n * @param members map from index => address of account that has a role\n * @param indexOf map from address => index which the account has.\n */\n struct RoleMembers {\n uint256 index;\n mapping(uint256 => address) members;\n mapping(address => uint256) indexOf;\n }\n\n /// @dev map from keccak256 hash of a role to its members' data. See {RoleMembers}.\n mapping(bytes32 => RoleMembers) private roleMembers;\n\n /**\n * @notice Returns the role-member from a list of members for a role,\n * at a given index.\n * @dev Returns `member` who has `role`, at `index` of role-members list.\n * See struct {RoleMembers}, and mapping {roleMembers}\n *\n * @param role keccak256 hash of the role. e.g. keccak256(\"TRANSFER_ROLE\")\n * @param index Index in list of current members for the role.\n *\n * @return member Address of account that has `role`\n */\n function getRoleMember(bytes32 role, uint256 index) external view override returns (address member) {\n uint256 currentIndex = roleMembers[role].index;\n uint256 check;\n\n for (uint256 i = 0; i < currentIndex; i += 1) {\n if (roleMembers[role].members[i] != address(0)) {\n if (check == index) {\n member = roleMembers[role].members[i];\n return member;\n }\n check += 1;\n } else if (hasRole(role, address(0)) && i == roleMembers[role].indexOf[address(0)]) {\n check += 1;\n }\n }\n }\n\n /**\n * @notice Returns total number of accounts that have a role.\n * @dev Returns `count` of accounts that have `role`.\n * See struct {RoleMembers}, and mapping {roleMembers}\n *\n * @param role keccak256 hash of the role. e.g. keccak256(\"TRANSFER_ROLE\")\n *\n * @return count Total number of accounts that have `role`\n */\n function getRoleMemberCount(bytes32 role) external view override returns (uint256 count) {\n uint256 currentIndex = roleMembers[role].index;\n\n for (uint256 i = 0; i < currentIndex; i += 1) {\n if (roleMembers[role].members[i] != address(0)) {\n count += 1;\n }\n }\n if (hasRole(role, address(0))) {\n count += 1;\n }\n }\n\n /// @dev Revokes `role` from `account`, and removes `account` from {roleMembers}\n /// See {_removeMember}\n function _revokeRole(bytes32 role, address account) internal override {\n super._revokeRole(role, account);\n _removeMember(role, account);\n }\n\n /// @dev Grants `role` to `account`, and adds `account` to {roleMembers}\n /// See {_addMember}\n function _setupRole(bytes32 role, address account) internal override {\n super._setupRole(role, account);\n _addMember(role, account);\n }\n\n /// @dev adds `account` to {roleMembers}, for `role`\n function _addMember(bytes32 role, address account) internal {\n uint256 idx = roleMembers[role].index;\n roleMembers[role].index += 1;\n\n roleMembers[role].members[idx] = account;\n roleMembers[role].indexOf[account] = idx;\n }\n\n /// @dev removes `account` from {roleMembers}, for `role`\n function _removeMember(bytes32 role, address account) internal {\n uint256 idx = roleMembers[role].indexOf[account];\n\n delete roleMembers[role].members[idx];\n delete roleMembers[role].indexOf[account];\n }\n}\n" }, "contracts/extension/PlatformFee.sol": { "content": "// SPDX-License-Identifier: Apache-2.0\npragma solidity ^0.8.0;\n\nimport \"./interface/IPlatformFee.sol\";\n\n/**\n * @title Platform Fee\n * @notice Thirdweb's `PlatformFee` is a contract extension to be used with any base contract. It exposes functions for setting and reading\n * the recipient of platform fee and the platform fee basis points, and lets the inheriting contract perform conditional logic\n * that uses information about platform fees, if desired.\n */\n\nabstract contract PlatformFee is IPlatformFee {\n /// @dev The address that receives all platform fees from all sales.\n address private platformFeeRecipient;\n\n /// @dev The % of primary sales collected as platform fees.\n uint16 private platformFeeBps;\n\n /// @dev Returns the platform fee recipient and bps.\n function getPlatformFeeInfo() public view override returns (address, uint16) {\n return (platformFeeRecipient, uint16(platformFeeBps));\n }\n\n /**\n * @notice Updates the platform fee recipient and bps.\n * @dev Caller should be authorized to set platform fee info.\n * See {_canSetPlatformFeeInfo}.\n * Emits {PlatformFeeInfoUpdated Event}; See {_setupPlatformFeeInfo}.\n *\n * @param _platformFeeRecipient Address to be set as new platformFeeRecipient.\n * @param _platformFeeBps Updated platformFeeBps.\n */\n function setPlatformFeeInfo(address _platformFeeRecipient, uint256 _platformFeeBps) external override {\n if (!_canSetPlatformFeeInfo()) {\n revert(\"Not authorized\");\n }\n _setupPlatformFeeInfo(_platformFeeRecipient, _platformFeeBps);\n }\n\n /// @dev Lets a contract admin update the platform fee recipient and bps\n function _setupPlatformFeeInfo(address _platformFeeRecipient, uint256 _platformFeeBps) internal {\n if (_platformFeeBps > 10_000) {\n revert(\"Exceeds max bps\");\n }\n\n platformFeeBps = uint16(_platformFeeBps);\n platformFeeRecipient = _platformFeeRecipient;\n\n emit PlatformFeeInfoUpdated(_platformFeeRecipient, _platformFeeBps);\n }\n\n /// @dev Returns whether platform fee info can be set in the given execution context.\n function _canSetPlatformFeeInfo() internal view virtual returns (bool);\n}\n" }, "contracts/extension/PrimarySale.sol": { "content": "// SPDX-License-Identifier: Apache-2.0\npragma solidity ^0.8.0;\n\nimport \"./interface/IPrimarySale.sol\";\n\n/**\n * @title Primary Sale\n * @notice Thirdweb's `PrimarySale` is a contract extension to be used with any base contract. It exposes functions for setting and reading\n * the recipient of primary sales, and lets the inheriting contract perform conditional logic that uses information about\n * primary sales, if desired.\n */\n\nabstract contract PrimarySale is IPrimarySale {\n /// @dev The address that receives all primary sales value.\n address private recipient;\n\n /// @dev Returns primary sale recipient address.\n function primarySaleRecipient() public view override returns (address) {\n return recipient;\n }\n\n /**\n * @notice Updates primary sale recipient.\n * @dev Caller should be authorized to set primary sales info.\n * See {_canSetPrimarySaleRecipient}.\n * Emits {PrimarySaleRecipientUpdated Event}; See {_setupPrimarySaleRecipient}.\n *\n * @param _saleRecipient Address to be set as new recipient of primary sales.\n */\n function setPrimarySaleRecipient(address _saleRecipient) external override {\n if (!_canSetPrimarySaleRecipient()) {\n revert(\"Not authorized\");\n }\n _setupPrimarySaleRecipient(_saleRecipient);\n }\n\n /// @dev Lets a contract admin set the recipient for all primary sales.\n function _setupPrimarySaleRecipient(address _saleRecipient) internal {\n recipient = _saleRecipient;\n emit PrimarySaleRecipientUpdated(_saleRecipient);\n }\n\n /// @dev Returns whether primary sale recipient can be set in the given execution context.\n function _canSetPrimarySaleRecipient() internal view virtual returns (bool);\n}\n" }, "contracts/extension/Royalty.sol": { "content": "// SPDX-License-Identifier: Apache-2.0\npragma solidity ^0.8.0;\n\nimport \"./interface/IRoyalty.sol\";\n\n/**\n * @title Royalty\n * @notice Thirdweb's `Royalty` is a contract extension to be used with any base contract. It exposes functions for setting and reading\n * the recipient of royalty fee and the royalty fee basis points, and lets the inheriting contract perform conditional logic\n * that uses information about royalty fees, if desired.\n *\n * @dev The `Royalty` contract is ERC2981 compliant.\n */\n\nabstract contract Royalty is IRoyalty {\n /// @dev The (default) address that receives all royalty value.\n address private royaltyRecipient;\n\n /// @dev The (default) % of a sale to take as royalty (in basis points).\n uint16 private royaltyBps;\n\n /// @dev Token ID => royalty recipient and bps for token\n mapping(uint256 => RoyaltyInfo) private royaltyInfoForToken;\n\n /**\n * @notice View royalty info for a given token and sale price.\n * @dev Returns royalty amount and recipient for `tokenId` and `salePrice`.\n * @param tokenId The tokenID of the NFT for which to query royalty info.\n * @param salePrice Sale price of the token.\n *\n * @return receiver Address of royalty recipient account.\n * @return royaltyAmount Royalty amount calculated at current royaltyBps value.\n */\n function royaltyInfo(uint256 tokenId, uint256 salePrice)\n external\n view\n virtual\n override\n returns (address receiver, uint256 royaltyAmount)\n {\n (address recipient, uint256 bps) = getRoyaltyInfoForToken(tokenId);\n receiver = recipient;\n royaltyAmount = (salePrice * bps) / 10_000;\n }\n\n /**\n * @notice View royalty info for a given token.\n * @dev Returns royalty recipient and bps for `_tokenId`.\n * @param _tokenId The tokenID of the NFT for which to query royalty info.\n */\n function getRoyaltyInfoForToken(uint256 _tokenId) public view override returns (address, uint16) {\n RoyaltyInfo memory royaltyForToken = royaltyInfoForToken[_tokenId];\n\n return\n royaltyForToken.recipient == address(0)\n ? (royaltyRecipient, uint16(royaltyBps))\n : (royaltyForToken.recipient, uint16(royaltyForToken.bps));\n }\n\n /**\n * @notice Returns the defualt royalty recipient and BPS for this contract's NFTs.\n */\n function getDefaultRoyaltyInfo() external view override returns (address, uint16) {\n return (royaltyRecipient, uint16(royaltyBps));\n }\n\n /**\n * @notice Updates default royalty recipient and bps.\n * @dev Caller should be authorized to set royalty info.\n * See {_canSetRoyaltyInfo}.\n * Emits {DefaultRoyalty Event}; See {_setupDefaultRoyaltyInfo}.\n *\n * @param _royaltyRecipient Address to be set as default royalty recipient.\n * @param _royaltyBps Updated royalty bps.\n */\n function setDefaultRoyaltyInfo(address _royaltyRecipient, uint256 _royaltyBps) external override {\n if (!_canSetRoyaltyInfo()) {\n revert(\"Not authorized\");\n }\n\n _setupDefaultRoyaltyInfo(_royaltyRecipient, _royaltyBps);\n }\n\n /// @dev Lets a contract admin update the default royalty recipient and bps.\n function _setupDefaultRoyaltyInfo(address _royaltyRecipient, uint256 _royaltyBps) internal {\n if (_royaltyBps > 10_000) {\n revert(\"Exceeds max bps\");\n }\n\n royaltyRecipient = _royaltyRecipient;\n royaltyBps = uint16(_royaltyBps);\n\n emit DefaultRoyalty(_royaltyRecipient, _royaltyBps);\n }\n\n /**\n * @notice Updates default royalty recipient and bps for a particular token.\n * @dev Sets royalty info for `_tokenId`. Caller should be authorized to set royalty info.\n * See {_canSetRoyaltyInfo}.\n * Emits {RoyaltyForToken Event}; See {_setupRoyaltyInfoForToken}.\n *\n * @param _recipient Address to be set as royalty recipient for given token Id.\n * @param _bps Updated royalty bps for the token Id.\n */\n function setRoyaltyInfoForToken(\n uint256 _tokenId,\n address _recipient,\n uint256 _bps\n ) external override {\n if (!_canSetRoyaltyInfo()) {\n revert(\"Not authorized\");\n }\n\n _setupRoyaltyInfoForToken(_tokenId, _recipient, _bps);\n }\n\n /// @dev Lets a contract admin set the royalty recipient and bps for a particular token Id.\n function _setupRoyaltyInfoForToken(\n uint256 _tokenId,\n address _recipient,\n uint256 _bps\n ) internal {\n if (_bps > 10_000) {\n revert(\"Exceeds max bps\");\n }\n\n royaltyInfoForToken[_tokenId] = RoyaltyInfo({ recipient: _recipient, bps: _bps });\n\n emit RoyaltyForToken(_tokenId, _recipient, _bps);\n }\n\n /// @dev Returns whether royalty info can be set in the given execution context.\n function _canSetRoyaltyInfo() internal view virtual returns (bool);\n}\n" }, "contracts/extension/SignatureMintERC721Upgradeable.sol": { "content": "// SPDX-License-Identifier: Apache-2.0\npragma solidity ^0.8.0;\n\nimport \"./interface/ISignatureMintERC721.sol\";\n\nimport \"@openzeppelin/contracts-upgradeable/utils/cryptography/ECDSAUpgradeable.sol\";\nimport \"@openzeppelin/contracts-upgradeable/utils/cryptography/draft-EIP712Upgradeable.sol\";\n\nabstract contract SignatureMintERC721Upgradeable is Initializable, EIP712Upgradeable, ISignatureMintERC721 {\n using ECDSAUpgradeable for bytes32;\n\n bytes32 private constant TYPEHASH =\n keccak256(\n \"MintRequest(address to,address royaltyRecipient,uint256 royaltyBps,address primarySaleRecipient,string uri,uint256 quantity,uint256 pricePerToken,address currency,uint128 validityStartTimestamp,uint128 validityEndTimestamp,bytes32 uid)\"\n );\n\n /// @dev Mapping from mint request UID => whether the mint request is processed.\n mapping(bytes32 => bool) private minted;\n\n function __SignatureMintERC721_init() internal onlyInitializing {\n __EIP712_init(\"SignatureMintERC721\", \"1\");\n }\n\n function __SignatureMintERC721_init_unchained() internal onlyInitializing {}\n\n /// @dev Verifies that a mint request is signed by an account holding MINTER_ROLE (at the time of the function call).\n function verify(MintRequest calldata _req, bytes calldata _signature)\n public\n view\n override\n returns (bool success, address signer)\n {\n signer = _recoverAddress(_req, _signature);\n success = !minted[_req.uid] && _isAuthorizedSigner(signer);\n }\n\n /// @dev Returns whether a given address is authorized to sign mint requests.\n function _isAuthorizedSigner(address _signer) internal view virtual returns (bool);\n\n /// @dev Verifies a mint request and marks the request as minted.\n function _processRequest(MintRequest calldata _req, bytes calldata _signature) internal returns (address signer) {\n bool success;\n (success, signer) = verify(_req, _signature);\n\n if (!success) {\n revert(\"Invalid req\");\n }\n\n if (_req.validityStartTimestamp > block.timestamp || block.timestamp > _req.validityEndTimestamp) {\n revert(\"Req expired\");\n }\n require(_req.to != address(0), \"recipient undefined\");\n require(_req.quantity > 0, \"0 qty\");\n\n minted[_req.uid] = true;\n }\n\n /// @dev Returns the address of the signer of the mint request.\n function _recoverAddress(MintRequest calldata _req, bytes calldata _signature) internal view returns (address) {\n return _hashTypedDataV4(keccak256(_encodeRequest(_req))).recover(_signature);\n }\n\n /// @dev Resolves 'stack too deep' error in `recoverAddress`.\n function _encodeRequest(MintRequest calldata _req) internal pure returns (bytes memory) {\n return\n abi.encode(\n TYPEHASH,\n _req.to,\n _req.royaltyRecipient,\n _req.royaltyBps,\n _req.primarySaleRecipient,\n keccak256(bytes(_req.uri)),\n _req.quantity,\n _req.pricePerToken,\n _req.currency,\n _req.validityStartTimestamp,\n _req.validityEndTimestamp,\n _req.uid\n );\n }\n}\n" }, "contracts/extension/interface/IClaimCondition.sol": { "content": "// SPDX-License-Identifier: Apache-2.0\npragma solidity ^0.8.0;\n\n/**\n * The interface `IClaimCondition` is written for thirdweb's 'Drop' contracts, which are distribution mechanisms for tokens.\n *\n * A claim condition defines criteria under which accounts can mint tokens. Claim conditions can be overwritten\n * or added to by the contract admin. At any moment, there is only one active claim condition.\n */\n\ninterface IClaimCondition {\n /**\n * @notice The criteria that make up a claim condition.\n *\n * @param startTimestamp The unix timestamp after which the claim condition applies.\n * The same claim condition applies until the `startTimestamp`\n * of the next claim condition.\n *\n * @param maxClaimableSupply The maximum total number of tokens that can be claimed under\n * the claim condition.\n *\n * @param supplyClaimed At any given point, the number of tokens that have been claimed\n * under the claim condition.\n *\n * @param quantityLimitPerWallet The maximum number of tokens that can be claimed by a wallet.\n *\n * @param merkleRoot The allowlist of addresses that can claim tokens under the claim\n * condition.\n *\n * @param pricePerToken The price required to pay per token claimed.\n *\n * @param currency The currency in which the `pricePerToken` must be paid.\n *\n * @param metadata Claim condition metadata.\n */\n struct ClaimCondition {\n uint256 startTimestamp;\n uint256 maxClaimableSupply;\n uint256 supplyClaimed;\n uint256 quantityLimitPerWallet;\n bytes32 merkleRoot;\n uint256 pricePerToken;\n address currency;\n string metadata;\n }\n}\n" }, "contracts/extension/interface/IContractMetadata.sol": { "content": "// SPDX-License-Identifier: Apache-2.0\npragma solidity ^0.8.0;\n\n/**\n * Thirdweb's `ContractMetadata` is a contract extension for any base contracts. It lets you set a metadata URI\n * for you contract.\n *\n * Additionally, `ContractMetadata` is necessary for NFT contracts that want royalties to get distributed on OpenSea.\n */\n\ninterface IContractMetadata {\n /// @dev Returns the metadata URI of the contract.\n function contractURI() external view returns (string memory);\n\n /**\n * @dev Sets contract URI for the storefront-level metadata of the contract.\n * Only module admin can call this function.\n */\n function setContractURI(string calldata _uri) external;\n\n /// @dev Emitted when the contract URI is updated.\n event ContractURIUpdated(string prevURI, string newURI);\n}\n" }, "contracts/extension/interface/IDelayedReveal.sol": { "content": "// SPDX-License-Identifier: Apache-2.0\npragma solidity ^0.8.0;\n\n/**\n * Thirdweb's `DelayedReveal` is a contract extension for base NFT contracts. It lets you create batches of\n * 'delayed-reveal' NFTs. You can learn more about the usage of delayed reveal NFTs here - https://blog.thirdweb.com/delayed-reveal-nfts\n */\n\ninterface IDelayedReveal {\n /// @dev Emitted when tokens are revealed.\n event TokenURIRevealed(uint256 indexed index, string revealedURI);\n\n /**\n * @notice Reveals a batch of delayed reveal NFTs.\n *\n * @param identifier The ID for the batch of delayed-reveal NFTs to reveal.\n *\n * @param key The key with which the base URI for the relevant batch of NFTs was encrypted.\n */\n function reveal(uint256 identifier, bytes calldata key) external returns (string memory revealedURI);\n\n /**\n * @notice Performs XOR encryption/decryption.\n *\n * @param data The data to encrypt. In the case of delayed-reveal NFTs, this is the \"revealed\" state\n * base URI of the relevant batch of NFTs.\n *\n * @param key The key with which to encrypt data\n */\n function encryptDecrypt(bytes memory data, bytes calldata key) external pure returns (bytes memory result);\n}\n" }, "contracts/extension/interface/IDropSinglePhase.sol": { "content": "// SPDX-License-Identifier: Apache-2.0\npragma solidity ^0.8.0;\n\nimport \"./IClaimCondition.sol\";\n\n/**\n * The interface `IDropSinglePhase` is written for thirdweb's 'DropSinglePhase' contracts, which are distribution mechanisms for tokens.\n *\n * An authorized wallet can set a claim condition for the distribution of the contract's tokens.\n * A claim condition defines criteria under which accounts can mint tokens. Claim conditions can be overwritten\n * or added to by the contract admin. At any moment, there is only one active claim condition.\n */\n\ninterface IDropSinglePhase is IClaimCondition {\n /**\n * @param proof Prood of concerned wallet's inclusion in an allowlist.\n * @param quantityLimitPerWallet The total quantity of tokens the allowlisted wallet is eligible to claim over time.\n * @param pricePerToken The price per token the allowlisted wallet must pay to claim tokens.\n * @param currency The currency in which the allowlisted wallet must pay the price for claiming tokens.\n */\n struct AllowlistProof {\n bytes32[] proof;\n uint256 quantityLimitPerWallet;\n uint256 pricePerToken;\n address currency;\n }\n\n /// @notice Emitted when tokens are claimed via `claim`.\n event TokensClaimed(\n address indexed claimer,\n address indexed receiver,\n uint256 indexed startTokenId,\n uint256 quantityClaimed\n );\n\n /// @notice Emitted when the contract's claim conditions are updated.\n event ClaimConditionUpdated(ClaimCondition condition, bool resetEligibility);\n\n /**\n * @notice Lets an account claim a given quantity of NFTs.\n *\n * @param receiver The receiver of the NFTs to claim.\n * @param quantity The quantity of NFTs to claim.\n * @param currency The currency in which to pay for the claim.\n * @param pricePerToken The price per token to pay for the claim.\n * @param allowlistProof The proof of the claimer's inclusion in the merkle root allowlist\n * of the claim conditions that apply.\n * @param data Arbitrary bytes data that can be leveraged in the implementation of this interface.\n */\n function claim(\n address receiver,\n uint256 quantity,\n address currency,\n uint256 pricePerToken,\n AllowlistProof calldata allowlistProof,\n bytes memory data\n ) external payable;\n\n /**\n * @notice Lets a contract admin (account with `DEFAULT_ADMIN_ROLE`) set claim conditions.\n *\n * @param phase Claim condition to set.\n *\n * @param resetClaimEligibility Whether to honor the restrictions applied to wallets who have claimed tokens in the current conditions,\n * in the new claim conditions being set.\n */\n function setClaimConditions(ClaimCondition calldata phase, bool resetClaimEligibility) external;\n}\n" }, "contracts/extension/interface/ILazyMint.sol": { "content": "// SPDX-License-Identifier: Apache-2.0\npragma solidity ^0.8.0;\n\n/**\n * Thirdweb's `LazyMint` is a contract extension for any base NFT contract. It lets you 'lazy mint' any number of NFTs\n * at once. Here, 'lazy mint' means defining the metadata for particular tokenIds of your NFT contract, without actually\n * minting a non-zero balance of NFTs of those tokenIds.\n */\n\ninterface ILazyMint {\n /// @dev Emitted when tokens are lazy minted.\n event TokensLazyMinted(uint256 indexed startTokenId, uint256 endTokenId, string baseURI, bytes encryptedBaseURI);\n\n /**\n * @notice Lazy mints a given amount of NFTs.\n *\n * @param amount The number of NFTs to lazy mint.\n *\n * @param baseURIForTokens The base URI for the 'n' number of NFTs being lazy minted, where the metadata for each\n * of those NFTs is `${baseURIForTokens}/${tokenId}`.\n *\n * @param extraData Additional bytes data to be used at the discretion of the consumer of the contract.\n *\n * @return batchId A unique integer identifier for the batch of NFTs lazy minted together.\n */\n function lazyMint(\n uint256 amount,\n string calldata baseURIForTokens,\n bytes calldata extraData\n ) external returns (uint256 batchId);\n}\n" }, "contracts/extension/interface/IOwnable.sol": { "content": "// SPDX-License-Identifier: Apache-2.0\npragma solidity ^0.8.0;\n\n/**\n * Thirdweb's `Ownable` is a contract extension to be used with any base contract. It exposes functions for setting and reading\n * who the 'owner' of the inheriting smart contract is, and lets the inheriting contract perform conditional logic that uses\n * information about who the contract's owner is.\n */\n\ninterface IOwnable {\n /// @dev Returns the owner of the contract.\n function owner() external view returns (address);\n\n /// @dev Lets a module admin set a new owner for the contract. The new owner must be a module admin.\n function setOwner(address _newOwner) external;\n\n /// @dev Emitted when a new Owner is set.\n event OwnerUpdated(address indexed prevOwner, address indexed newOwner);\n}\n" }, "contracts/extension/interface/IPermissions.sol": { "content": "// SPDX-License-Identifier: Apache-2.0\npragma solidity ^0.8.0;\n\n/**\n * @dev External interface of AccessControl declared to support ERC165 detection.\n */\ninterface IPermissions {\n /**\n * @dev Emitted when `newAdminRole` is set as ``role``'s admin role, replacing `previousAdminRole`\n *\n * `DEFAULT_ADMIN_ROLE` is the starting admin for all roles, despite\n * {RoleAdminChanged} not being emitted signaling this.\n *\n * _Available since v3.1._\n */\n event RoleAdminChanged(bytes32 indexed role, bytes32 indexed previousAdminRole, bytes32 indexed newAdminRole);\n\n /**\n * @dev Emitted when `account` is granted `role`.\n *\n * `sender` is the account that originated the contract call, an admin role\n * bearer except when using {AccessControl-_setupRole}.\n */\n event RoleGranted(bytes32 indexed role, address indexed account, address indexed sender);\n\n /**\n * @dev Emitted when `account` is revoked `role`.\n *\n * `sender` is the account that originated the contract call:\n * - if using `revokeRole`, it is the admin role bearer\n * - if using `renounceRole`, it is the role bearer (i.e. `account`)\n */\n event RoleRevoked(bytes32 indexed role, address indexed account, address indexed sender);\n\n /**\n * @dev Returns `true` if `account` has been granted `role`.\n */\n function hasRole(bytes32 role, address account) external view returns (bool);\n\n /**\n * @dev Returns the admin role that controls `role`. See {grantRole} and\n * {revokeRole}.\n *\n * To change a role's admin, use {AccessControl-_setRoleAdmin}.\n */\n function getRoleAdmin(bytes32 role) external view returns (bytes32);\n\n /**\n * @dev Grants `role` to `account`.\n *\n * If `account` had not been already granted `role`, emits a {RoleGranted}\n * event.\n *\n * Requirements:\n *\n * - the caller must have ``role``'s admin role.\n */\n function grantRole(bytes32 role, address account) external;\n\n /**\n * @dev Revokes `role` from `account`.\n *\n * If `account` had been granted `role`, emits a {RoleRevoked} event.\n *\n * Requirements:\n *\n * - the caller must have ``role``'s admin role.\n */\n function revokeRole(bytes32 role, address account) external;\n\n /**\n * @dev Revokes `role` from the calling account.\n *\n * Roles are often managed via {grantRole} and {revokeRole}: this function's\n * purpose is to provide a mechanism for accounts to lose their privileges\n * if they are compromised (such as when a trusted device is misplaced).\n *\n * If the calling account had been granted `role`, emits a {RoleRevoked}\n * event.\n *\n * Requirements:\n *\n * - the caller must be `account`.\n */\n function renounceRole(bytes32 role, address account) external;\n}\n" }, "contracts/extension/interface/IPermissionsEnumerable.sol": { "content": "// SPDX-License-Identifier: Apache-2.0\npragma solidity ^0.8.0;\n\nimport \"./IPermissions.sol\";\n\n/**\n * @dev External interface of AccessControlEnumerable declared to support ERC165 detection.\n */\ninterface IPermissionsEnumerable is IPermissions {\n /**\n * @dev Returns one of the accounts that have `role`. `index` must be a\n * value between 0 and {getRoleMemberCount}, non-inclusive.\n *\n * Role bearers are not sorted in any particular way, and their ordering may\n * change at any point.\n *\n * WARNING: When using {getRoleMember} and {getRoleMemberCount}, make sure\n * you perform all queries on the same block. See the following\n * [forum post](https://forum.openzeppelin.com/t/iterating-over-elements-on-enumerableset-in-openzeppelin-contracts/2296)\n * for more information.\n */\n function getRoleMember(bytes32 role, uint256 index) external view returns (address);\n\n /**\n * @dev Returns the number of accounts that have `role`. Can be used\n * together with {getRoleMember} to enumerate all bearers of a role.\n */\n function getRoleMemberCount(bytes32 role) external view returns (uint256);\n}\n" }, "contracts/extension/interface/IPlatformFee.sol": { "content": "// SPDX-License-Identifier: Apache-2.0\npragma solidity ^0.8.0;\n\n/**\n * Thirdweb's `PlatformFee` is a contract extension to be used with any base contract. It exposes functions for setting and reading\n * the recipient of platform fee and the platform fee basis points, and lets the inheriting contract perform conditional logic\n * that uses information about platform fees, if desired.\n */\n\ninterface IPlatformFee {\n /// @dev Returns the platform fee bps and recipient.\n function getPlatformFeeInfo() external view returns (address, uint16);\n\n /// @dev Lets a module admin update the fees on primary sales.\n function setPlatformFeeInfo(address _platformFeeRecipient, uint256 _platformFeeBps) external;\n\n /// @dev Emitted when fee on primary sales is updated.\n event PlatformFeeInfoUpdated(address indexed platformFeeRecipient, uint256 platformFeeBps);\n}\n" }, "contracts/extension/interface/IPrimarySale.sol": { "content": "// SPDX-License-Identifier: Apache-2.0\npragma solidity ^0.8.0;\n\n/**\n * Thirdweb's `Primary` is a contract extension to be used with any base contract. It exposes functions for setting and reading\n * the recipient of primary sales, and lets the inheriting contract perform conditional logic that uses information about\n * primary sales, if desired.\n */\n\ninterface IPrimarySale {\n /// @dev The adress that receives all primary sales value.\n function primarySaleRecipient() external view returns (address);\n\n /// @dev Lets a module admin set the default recipient of all primary sales.\n function setPrimarySaleRecipient(address _saleRecipient) external;\n\n /// @dev Emitted when a new sale recipient is set.\n event PrimarySaleRecipientUpdated(address indexed recipient);\n}\n" }, "contracts/extension/interface/IRoyalty.sol": { "content": "// SPDX-License-Identifier: Apache-2.0\npragma solidity ^0.8.0;\n\nimport \"../../eip/interface/IERC2981.sol\";\n\n/**\n * Thirdweb's `Royalty` is a contract extension to be used with any base contract. It exposes functions for setting and reading\n * the recipient of royalty fee and the royalty fee basis points, and lets the inheriting contract perform conditional logic\n * that uses information about royalty fees, if desired.\n *\n * The `Royalty` contract is ERC2981 compliant.\n */\n\ninterface IRoyalty is IERC2981 {\n struct RoyaltyInfo {\n address recipient;\n uint256 bps;\n }\n\n /// @dev Returns the royalty recipient and fee bps.\n function getDefaultRoyaltyInfo() external view returns (address, uint16);\n\n /// @dev Lets a module admin update the royalty bps and recipient.\n function setDefaultRoyaltyInfo(address _royaltyRecipient, uint256 _royaltyBps) external;\n\n /// @dev Lets a module admin set the royalty recipient for a particular token Id.\n function setRoyaltyInfoForToken(\n uint256 tokenId,\n address recipient,\n uint256 bps\n ) external;\n\n /// @dev Returns the royalty recipient for a particular token Id.\n function getRoyaltyInfoForToken(uint256 tokenId) external view returns (address, uint16);\n\n /// @dev Emitted when royalty info is updated.\n event DefaultRoyalty(address indexed newRoyaltyRecipient, uint256 newRoyaltyBps);\n\n /// @dev Emitted when royalty recipient for tokenId is set\n event RoyaltyForToken(uint256 indexed tokenId, address indexed royaltyRecipient, uint256 royaltyBps);\n}\n" }, "contracts/extension/interface/ISignatureMintERC721.sol": { "content": "// SPDX-License-Identifier: Apache-2.0\npragma solidity ^0.8.0;\n\n/**\n * The 'signature minting' mechanism used in thirdweb Token smart contracts is a way for a contract admin to authorize an external party's\n * request to mint tokens on the admin's contract.\n *\n * At a high level, this means you can authorize some external party to mint tokens on your contract, and specify what exactly will be\n * minted by that external party.\n */\ninterface ISignatureMintERC721 {\n /**\n * @notice The body of a request to mint tokens.\n *\n * @param to The receiver of the tokens to mint.\n * @param royaltyRecipient The recipient of the minted token's secondary sales royalties. (Not applicable for ERC20 tokens)\n * @param royaltyBps The percentage of the minted token's secondary sales to take as royalties. (Not applicable for ERC20 tokens)\n * @param primarySaleRecipient The recipient of the minted token's primary sales proceeds.\n * @param uri The metadata URI of the token to mint. (Not applicable for ERC20 tokens)\n * @param quantity The quantity of tokens to mint.\n * @param pricePerToken The price to pay per quantity of tokens minted.\n * @param currency The currency in which to pay the price per token minted.\n * @param validityStartTimestamp The unix timestamp after which the payload is valid.\n * @param validityEndTimestamp The unix timestamp at which the payload expires.\n * @param uid A unique identifier for the payload.\n */\n struct MintRequest {\n address to;\n address royaltyRecipient;\n uint256 royaltyBps;\n address primarySaleRecipient;\n string uri;\n uint256 quantity;\n uint256 pricePerToken;\n address currency;\n uint128 validityStartTimestamp;\n uint128 validityEndTimestamp;\n bytes32 uid;\n }\n\n /// @dev Emitted when tokens are minted.\n event TokensMintedWithSignature(\n address indexed signer,\n address indexed mintedTo,\n uint256 indexed tokenIdMinted,\n MintRequest mintRequest\n );\n\n /**\n * @notice Verifies that a mint request is signed by an account holding\n * MINTER_ROLE (at the time of the function call).\n *\n * @param req The payload / mint request.\n * @param signature The signature produced by an account signing the mint request.\n *\n * returns (success, signer) Result of verification and the recovered address.\n */\n function verify(MintRequest calldata req, bytes calldata signature)\n external\n view\n returns (bool success, address signer);\n\n /**\n * @notice Mints tokens according to the provided mint request.\n *\n * @param req The payload / mint request.\n * @param signature The signature produced by an account signing the mint request.\n */\n function mintWithSignature(MintRequest calldata req, bytes calldata signature)\n external\n payable\n returns (address signer);\n}\n" }, "contracts/interfaces/IWETH.sol": { "content": "// SPDX-License-Identifier: Apache-2.0\npragma solidity ^0.8.0;\n\ninterface IWETH {\n function deposit() external payable;\n\n function withdraw(uint256 amount) external;\n\n function transfer(address to, uint256 value) external returns (bool);\n}\n" }, "contracts/lib/CurrencyTransferLib.sol": { "content": "// SPDX-License-Identifier: Apache-2.0\npragma solidity ^0.8.0;\n\n// Helper interfaces\nimport { IWETH } from \"../interfaces/IWETH.sol\";\n\nimport \"../openzeppelin-presets/token/ERC20/utils/SafeERC20.sol\";\n\nlibrary CurrencyTransferLib {\n using SafeERC20 for IERC20;\n\n /// @dev The address interpreted as native token of the chain.\n address public constant NATIVE_TOKEN = 0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE;\n\n /// @dev Transfers a given amount of currency.\n function transferCurrency(\n address _currency,\n address _from,\n address _to,\n uint256 _amount\n ) internal {\n if (_amount == 0) {\n return;\n }\n\n if (_currency == NATIVE_TOKEN) {\n safeTransferNativeToken(_to, _amount);\n } else {\n safeTransferERC20(_currency, _from, _to, _amount);\n }\n }\n\n /// @dev Transfers a given amount of currency. (With native token wrapping)\n function transferCurrencyWithWrapper(\n address _currency,\n address _from,\n address _to,\n uint256 _amount,\n address _nativeTokenWrapper\n ) internal {\n if (_amount == 0) {\n return;\n }\n\n if (_currency == NATIVE_TOKEN) {\n if (_from == address(this)) {\n // withdraw from weth then transfer withdrawn native token to recipient\n IWETH(_nativeTokenWrapper).withdraw(_amount);\n safeTransferNativeTokenWithWrapper(_to, _amount, _nativeTokenWrapper);\n } else if (_to == address(this)) {\n // store native currency in weth\n require(_amount == msg.value, \"msg.value != amount\");\n IWETH(_nativeTokenWrapper).deposit{ value: _amount }();\n } else {\n safeTransferNativeTokenWithWrapper(_to, _amount, _nativeTokenWrapper);\n }\n } else {\n safeTransferERC20(_currency, _from, _to, _amount);\n }\n }\n\n /// @dev Transfer `amount` of ERC20 token from `from` to `to`.\n function safeTransferERC20(\n address _currency,\n address _from,\n address _to,\n uint256 _amount\n ) internal {\n if (_from == _to) {\n return;\n }\n\n if (_from == address(this)) {\n IERC20(_currency).safeTransfer(_to, _amount);\n } else {\n IERC20(_currency).safeTransferFrom(_from, _to, _amount);\n }\n }\n\n /// @dev Transfers `amount` of native token to `to`.\n function safeTransferNativeToken(address to, uint256 value) internal {\n // solhint-disable avoid-low-level-calls\n // slither-disable-next-line low-level-calls\n (bool success, ) = to.call{ value: value }(\"\");\n require(success, \"native token transfer failed\");\n }\n\n /// @dev Transfers `amount` of native token to `to`. (With native token wrapping)\n function safeTransferNativeTokenWithWrapper(\n address to,\n uint256 value,\n address _nativeTokenWrapper\n ) internal {\n // solhint-disable avoid-low-level-calls\n // slither-disable-next-line low-level-calls\n (bool success, ) = to.call{ value: value }(\"\");\n if (!success) {\n IWETH(_nativeTokenWrapper).deposit{ value: value }();\n IERC20(_nativeTokenWrapper).safeTransfer(to, value);\n }\n }\n}\n" }, "contracts/lib/MerkleProof.sol": { "content": "// SPDX-License-Identifier: MIT\n// Modified from https://github.com/OpenZeppelin/openzeppelin-contracts/blob/v4.3.0/contracts/utils/cryptography/MerkleProof.sol\n// Copied from https://github.com/ensdomains/governance/blob/master/contracts/MerkleProof.sol\n\npragma solidity ^0.8.0;\n\n/**\n * @dev These functions deal with verification of Merkle Trees proofs.\n *\n * The proofs can be generated using the JavaScript library\n * https://github.com/miguelmota/merkletreejs[merkletreejs].\n * Note: the hashing algorithm should be keccak256 and pair sorting should be enabled.\n *\n * See `test/utils/cryptography/MerkleProof.test.js` for some examples.\n *\n * Source: https://github.com/ensdomains/governance/blob/master/contracts/MerkleProof.sol\n */\nlibrary MerkleProof {\n /**\n * @dev Returns true if a `leaf` can be proved to be a part of a Merkle tree\n * defined by `root`. For this, a `proof` must be provided, containing\n * sibling hashes on the branch from the leaf to the root of the tree. Each\n * pair of leaves and each pair of pre-images are assumed to be sorted.\n */\n function verify(\n bytes32[] memory proof,\n bytes32 root,\n bytes32 leaf\n ) internal pure returns (bool, uint256) {\n bytes32 computedHash = leaf;\n uint256 index = 0;\n\n for (uint256 i = 0; i < proof.length; i++) {\n index *= 2;\n bytes32 proofElement = proof[i];\n\n if (computedHash <= proofElement) {\n // Hash(current computed hash + current element of the proof)\n computedHash = keccak256(abi.encodePacked(computedHash, proofElement));\n } else {\n // Hash(current element of the proof + current computed hash)\n computedHash = keccak256(abi.encodePacked(proofElement, computedHash));\n index += 1;\n }\n }\n\n // Check if the computed hash (root) is equal to the provided root\n return (computedHash == root, index);\n }\n}\n" }, "contracts/lib/TWAddress.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.5.0) (utils/Address.sol)\n\npragma solidity ^0.8.0;\n\n/**\n * @dev Collection of functions related to the address type\n */\nlibrary TWAddress {\n /**\n * @dev Returns true if `account` is a contract.\n *\n * [IMPORTANT]\n * ====\n * It is unsafe to assume that an address for which this function returns\n * false is an externally-owned account (EOA) and not a contract.\n *\n * Among others, `isContract` will return false for the following\n * types of addresses:\n *\n * - an externally-owned account\n * - a contract in construction\n * - an address where a contract will be created\n * - an address where a contract lived, but was destroyed\n * ====\n *\n * [IMPORTANT]\n * ====\n * You shouldn't rely on `isContract` to protect against flash loan attacks!\n *\n * Preventing calls from contracts is highly discouraged. It breaks composability, breaks support for smart wallets\n * like Gnosis Safe, and does not provide security since it can be circumvented by calling from a contract\n * constructor.\n * ====\n */\n function isContract(address account) internal view returns (bool) {\n // This method relies on extcodesize/address.code.length, which returns 0\n // for contracts in construction, since the code is only stored at the end\n // of the constructor execution.\n\n return account.code.length > 0;\n }\n\n /**\n * @dev Replacement for Solidity's `transfer`: sends `amount` wei to\n * `recipient`, forwarding all available gas and reverting on errors.\n *\n * [EIP1884](https://eips.ethereum.org/EIPS/eip-1884) increases the gas cost\n * of certain opcodes, possibly making contracts go over the 2300 gas limit\n * imposed by `transfer`, making them unable to receive funds via\n * `transfer`. {sendValue} removes this limitation.\n *\n * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more].\n *\n * IMPORTANT: because control is transferred to `recipient`, care must be\n * taken to not create reentrancy vulnerabilities. Consider using\n * {ReentrancyGuard} or the\n * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].\n */\n function sendValue(address payable recipient, uint256 amount) internal {\n require(address(this).balance >= amount, \"Address: insufficient balance\");\n\n (bool success, ) = recipient.call{ value: amount }(\"\");\n require(success, \"Address: unable to send value, recipient may have reverted\");\n }\n\n /**\n * @dev Performs a Solidity function call using a low level `call`. A\n * plain `call` is an unsafe replacement for a function call: use this\n * function instead.\n *\n * If `target` reverts with a revert reason, it is bubbled up by this\n * function (like regular Solidity function calls).\n *\n * Returns the raw returned data. To convert to the expected return value,\n * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].\n *\n * Requirements:\n *\n * - `target` must be a contract.\n * - calling `target` with `data` must not revert.\n *\n * _Available since v3.1._\n */\n function functionCall(address target, bytes memory data) internal returns (bytes memory) {\n return functionCall(target, data, \"Address: low-level call failed\");\n }\n\n /**\n * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with\n * `errorMessage` as a fallback revert reason when `target` reverts.\n *\n * _Available since v3.1._\n */\n function functionCall(\n address target,\n bytes memory data,\n string memory errorMessage\n ) internal returns (bytes memory) {\n return functionCallWithValue(target, data, 0, errorMessage);\n }\n\n /**\n * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],\n * but also transferring `value` wei to `target`.\n *\n * Requirements:\n *\n * - the calling contract must have an ETH balance of at least `value`.\n * - the called Solidity function must be `payable`.\n *\n * _Available since v3.1._\n */\n function functionCallWithValue(\n address target,\n bytes memory data,\n uint256 value\n ) internal returns (bytes memory) {\n return functionCallWithValue(target, data, value, \"Address: low-level call with value failed\");\n }\n\n /**\n * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but\n * with `errorMessage` as a fallback revert reason when `target` reverts.\n *\n * _Available since v3.1._\n */\n function functionCallWithValue(\n address target,\n bytes memory data,\n uint256 value,\n string memory errorMessage\n ) internal returns (bytes memory) {\n require(address(this).balance >= value, \"Address: insufficient balance for call\");\n require(isContract(target), \"Address: call to non-contract\");\n\n (bool success, bytes memory returndata) = target.call{ value: value }(data);\n return verifyCallResult(success, returndata, errorMessage);\n }\n\n /**\n * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],\n * but performing a static call.\n *\n * _Available since v3.3._\n */\n function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {\n return functionStaticCall(target, data, \"Address: low-level static call failed\");\n }\n\n /**\n * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],\n * but performing a static call.\n *\n * _Available since v3.3._\n */\n function functionStaticCall(\n address target,\n bytes memory data,\n string memory errorMessage\n ) internal view returns (bytes memory) {\n require(isContract(target), \"Address: static call to non-contract\");\n\n (bool success, bytes memory returndata) = target.staticcall(data);\n return verifyCallResult(success, returndata, errorMessage);\n }\n\n /**\n * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],\n * but performing a delegate call.\n *\n * _Available since v3.4._\n */\n function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {\n return functionDelegateCall(target, data, \"Address: low-level delegate call failed\");\n }\n\n /**\n * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],\n * but performing a delegate call.\n *\n * _Available since v3.4._\n */\n function functionDelegateCall(\n address target,\n bytes memory data,\n string memory errorMessage\n ) internal returns (bytes memory) {\n require(isContract(target), \"Address: delegate call to non-contract\");\n\n (bool success, bytes memory returndata) = target.delegatecall(data);\n return verifyCallResult(success, returndata, errorMessage);\n }\n\n /**\n * @dev Tool to verifies that a low level call was successful, and revert if it wasn't, either by bubbling the\n * revert reason using the provided one.\n *\n * _Available since v4.3._\n */\n function verifyCallResult(\n bool success,\n bytes memory returndata,\n string memory errorMessage\n ) internal pure returns (bytes memory) {\n if (success) {\n return returndata;\n } else {\n // Look for revert reason and bubble it up if present\n if (returndata.length > 0) {\n // The easiest way to bubble the revert reason is using memory via assembly\n\n assembly {\n let returndata_size := mload(returndata)\n revert(add(32, returndata), returndata_size)\n }\n } else {\n revert(errorMessage);\n }\n }\n }\n}\n" }, "contracts/lib/TWStrings.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (utils/Strings.sol)\n\npragma solidity ^0.8.0;\n\n/**\n * @dev String operations.\n */\nlibrary TWStrings {\n bytes16 private constant _HEX_SYMBOLS = \"0123456789abcdef\";\n\n /**\n * @dev Converts a `uint256` to its ASCII `string` decimal representation.\n */\n function toString(uint256 value) internal pure returns (string memory) {\n // Inspired by OraclizeAPI's implementation - MIT licence\n // https://github.com/oraclize/ethereum-api/blob/b42146b063c7d6ee1358846c198246239e9360e8/oraclizeAPI_0.4.25.sol\n\n if (value == 0) {\n return \"0\";\n }\n uint256 temp = value;\n uint256 digits;\n while (temp != 0) {\n digits++;\n temp /= 10;\n }\n bytes memory buffer = new bytes(digits);\n while (value != 0) {\n digits -= 1;\n buffer[digits] = bytes1(uint8(48 + uint256(value % 10)));\n value /= 10;\n }\n return string(buffer);\n }\n\n /**\n * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation.\n */\n function toHexString(uint256 value) internal pure returns (string memory) {\n if (value == 0) {\n return \"0x00\";\n }\n uint256 temp = value;\n uint256 length = 0;\n while (temp != 0) {\n length++;\n temp >>= 8;\n }\n return toHexString(value, length);\n }\n\n /**\n * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation with fixed length.\n */\n function toHexString(uint256 value, uint256 length) internal pure returns (string memory) {\n bytes memory buffer = new bytes(2 * length + 2);\n buffer[0] = \"0\";\n buffer[1] = \"x\";\n for (uint256 i = 2 * length + 1; i > 1; --i) {\n buffer[i] = _HEX_SYMBOLS[value & 0xf];\n value >>= 4;\n }\n require(value == 0, \"Strings: hex length insufficient\");\n return string(buffer);\n }\n}\n" }, "contracts/openzeppelin-presets/metatx/ERC2771ContextUpgradeable.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.0 (metatx/ERC2771Context.sol)\n\npragma solidity ^0.8.11;\n\nimport \"@openzeppelin/contracts-upgradeable/utils/ContextUpgradeable.sol\";\nimport \"@openzeppelin/contracts-upgradeable/proxy/utils/Initializable.sol\";\n\n/**\n * @dev Context variant with ERC2771 support.\n */\nabstract contract ERC2771ContextUpgradeable is Initializable, ContextUpgradeable {\n mapping(address => bool) private _trustedForwarder;\n\n function __ERC2771Context_init(address[] memory trustedForwarder) internal onlyInitializing {\n __Context_init_unchained();\n __ERC2771Context_init_unchained(trustedForwarder);\n }\n\n function __ERC2771Context_init_unchained(address[] memory trustedForwarder) internal onlyInitializing {\n for (uint256 i = 0; i < trustedForwarder.length; i++) {\n _trustedForwarder[trustedForwarder[i]] = true;\n }\n }\n\n function isTrustedForwarder(address forwarder) public view virtual returns (bool) {\n return _trustedForwarder[forwarder];\n }\n\n function _msgSender() internal view virtual override returns (address sender) {\n if (isTrustedForwarder(msg.sender)) {\n // The assembly code is more direct than the Solidity version using `abi.decode`.\n assembly {\n sender := shr(96, calldataload(sub(calldatasize(), 20)))\n }\n } else {\n return super._msgSender();\n }\n }\n\n function _msgData() internal view virtual override returns (bytes calldata) {\n if (isTrustedForwarder(msg.sender)) {\n return msg.data[:msg.data.length - 20];\n } else {\n return super._msgData();\n }\n }\n\n uint256[49] private __gap;\n}\n" }, "contracts/openzeppelin-presets/token/ERC20/utils/SafeERC20.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (token/ERC20/utils/SafeERC20.sol)\n\npragma solidity ^0.8.0;\n\nimport \"../../../../eip/interface/IERC20.sol\";\nimport \"../../../../lib/TWAddress.sol\";\n\n/**\n * @title SafeERC20\n * @dev Wrappers around ERC20 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 using TWAddress for address;\n\n function safeTransfer(\n IERC20 token,\n address to,\n uint256 value\n ) internal {\n _callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value));\n }\n\n function safeTransferFrom(\n IERC20 token,\n address from,\n address to,\n uint256 value\n ) internal {\n _callOptionalReturn(token, abi.encodeWithSelector(token.transferFrom.selector, from, to, value));\n }\n\n /**\n * @dev Deprecated. This function has issues similar to the ones found in\n * {IERC20-approve}, and its usage is discouraged.\n *\n * Whenever possible, use {safeIncreaseAllowance} and\n * {safeDecreaseAllowance} instead.\n */\n function safeApprove(\n IERC20 token,\n address spender,\n uint256 value\n ) internal {\n // safeApprove should only be called when setting an initial allowance,\n // or when resetting it to zero. To increase and decrease it, use\n // 'safeIncreaseAllowance' and 'safeDecreaseAllowance'\n require(\n (value == 0) || (token.allowance(address(this), spender) == 0),\n \"SafeERC20: approve from non-zero to non-zero allowance\"\n );\n _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, value));\n }\n\n function safeIncreaseAllowance(\n IERC20 token,\n address spender,\n uint256 value\n ) internal {\n uint256 newAllowance = token.allowance(address(this), spender) + value;\n _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));\n }\n\n function safeDecreaseAllowance(\n IERC20 token,\n address spender,\n uint256 value\n ) internal {\n unchecked {\n uint256 oldAllowance = token.allowance(address(this), spender);\n require(oldAllowance >= value, \"SafeERC20: decreased allowance below zero\");\n uint256 newAllowance = oldAllowance - value;\n _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));\n }\n }\n\n /**\n * @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement\n * on the return value: the return value is optional (but if data is returned, it must not be false).\n * @param token The token targeted by the call.\n * @param data The call data (encoded using abi.encode or one of its variants).\n */\n function _callOptionalReturn(IERC20 token, bytes memory data) private {\n // We need to perform a low level call here, to bypass Solidity's return data size checking mechanism, since\n // we're implementing it ourselves. We use {Address.functionCall} to perform this call, which verifies that\n // the target address contains contract code and also asserts for success in the low-level call.\n\n bytes memory returndata = address(token).functionCall(data, \"SafeERC20: low-level call failed\");\n if (returndata.length > 0) {\n // Return data is optional\n require(abi.decode(returndata, (bool)), \"SafeERC20: ERC20 operation did not succeed\");\n }\n }\n}\n" }, "contracts/signature-drop/SignatureDrop.sol": { "content": "// SPDX-License-Identifier: Apache-2.0\npragma solidity ^0.8.11;\n\n// ========== External imports ==========\n\nimport \"@openzeppelin/contracts-upgradeable/utils/MulticallUpgradeable.sol\";\nimport \"@openzeppelin/contracts-upgradeable/utils/StringsUpgradeable.sol\";\nimport \"@openzeppelin/contracts-upgradeable/interfaces/IERC2981Upgradeable.sol\";\n\nimport \"erc721a-upgradeable/contracts/ERC721AUpgradeable.sol\";\n\n// ========== Internal imports ==========\n\nimport \"../openzeppelin-presets/metatx/ERC2771ContextUpgradeable.sol\";\nimport \"../lib/CurrencyTransferLib.sol\";\n\n// ========== Features ==========\n\nimport \"../extension/ContractMetadata.sol\";\nimport \"../extension/PlatformFee.sol\";\nimport \"../extension/Royalty.sol\";\nimport \"../extension/PrimarySale.sol\";\nimport \"../extension/Ownable.sol\";\nimport \"../extension/DelayedReveal.sol\";\nimport \"../extension/LazyMint.sol\";\nimport \"../extension/PermissionsEnumerable.sol\";\nimport \"../extension/DropSinglePhase.sol\";\nimport \"../extension/SignatureMintERC721Upgradeable.sol\";\n\ncontract SignatureDrop is\n Initializable,\n ContractMetadata,\n PlatformFee,\n Royalty,\n PrimarySale,\n Ownable,\n DelayedReveal,\n LazyMint,\n PermissionsEnumerable,\n DropSinglePhase,\n SignatureMintERC721Upgradeable,\n ERC2771ContextUpgradeable,\n MulticallUpgradeable,\n ERC721AUpgradeable\n{\n using StringsUpgradeable for uint256;\n\n /*///////////////////////////////////////////////////////////////\n State variables\n //////////////////////////////////////////////////////////////*/\n\n /// @dev Only transfers to or from TRANSFER_ROLE holders are valid, when transfers are restricted.\n bytes32 private transferRole;\n /// @dev Only MINTER_ROLE holders can sign off on `MintRequest`s and lazy mint tokens.\n bytes32 private minterRole;\n\n /// @dev Max bps in the thirdweb system.\n uint256 private constant MAX_BPS = 10_000;\n\n /*///////////////////////////////////////////////////////////////\n Constructor + initializer logic\n //////////////////////////////////////////////////////////////*/\n\n /// @dev Initiliazes the contract, like a constructor.\n function initialize(\n address _defaultAdmin,\n string memory _name,\n string memory _symbol,\n string memory _contractURI,\n address[] memory _trustedForwarders,\n address _saleRecipient,\n address _royaltyRecipient,\n uint128 _royaltyBps,\n uint128 _platformFeeBps,\n address _platformFeeRecipient\n ) external initializer {\n bytes32 _transferRole = keccak256(\"TRANSFER_ROLE\");\n bytes32 _minterRole = keccak256(\"MINTER_ROLE\");\n\n // Initialize inherited contracts, most base-like -> most derived.\n __ERC2771Context_init(_trustedForwarders);\n __ERC721A_init(_name, _symbol);\n __SignatureMintERC721_init();\n\n _setupContractURI(_contractURI);\n _setupOwner(_defaultAdmin);\n\n _setupRole(DEFAULT_ADMIN_ROLE, _defaultAdmin);\n _setupRole(_minterRole, _defaultAdmin);\n _setupRole(_transferRole, _defaultAdmin);\n _setupRole(_transferRole, address(0));\n\n _setupPlatformFeeInfo(_platformFeeRecipient, _platformFeeBps);\n _setupDefaultRoyaltyInfo(_royaltyRecipient, _royaltyBps);\n _setupPrimarySaleRecipient(_saleRecipient);\n\n transferRole = _transferRole;\n minterRole = _minterRole;\n }\n\n /*///////////////////////////////////////////////////////////////\n ERC 165 / 721 / 2981 logic\n //////////////////////////////////////////////////////////////*/\n\n /// @dev Returns the URI for a given tokenId.\n function tokenURI(uint256 _tokenId) public view override returns (string memory) {\n (uint256 batchId, ) = _getBatchId(_tokenId);\n string memory batchUri = _getBaseURI(_tokenId);\n\n if (isEncryptedBatch(batchId)) {\n return string(abi.encodePacked(batchUri, \"0\"));\n } else {\n return string(abi.encodePacked(batchUri, _tokenId.toString()));\n }\n }\n\n /// @dev See ERC 165\n function supportsInterface(bytes4 interfaceId)\n public\n view\n virtual\n override(ERC721AUpgradeable, IERC165)\n returns (bool)\n {\n return super.supportsInterface(interfaceId) || type(IERC2981Upgradeable).interfaceId == interfaceId;\n }\n\n function contractType() external pure returns (bytes32) {\n return bytes32(\"SignatureDrop\");\n }\n\n function contractVersion() external pure returns (uint8) {\n return uint8(5);\n }\n\n /*///////////////////////////////////////////////////////////////\n Lazy minting + delayed-reveal logic\n //////////////////////////////////////////////////////////////*/\n\n /**\n * @dev Lets an account with `MINTER_ROLE` lazy mint 'n' NFTs.\n * The URIs for each token is the provided `_baseURIForTokens` + `{tokenId}`.\n */\n function lazyMint(\n uint256 _amount,\n string calldata _baseURIForTokens,\n bytes calldata _data\n ) public override returns (uint256 batchId) {\n if (_data.length > 0) {\n (bytes memory encryptedURI, bytes32 provenanceHash) = abi.decode(_data, (bytes, bytes32));\n if (encryptedURI.length != 0 && provenanceHash != \"\") {\n _setEncryptedData(nextTokenIdToLazyMint + _amount, _data);\n }\n }\n\n return super.lazyMint(_amount, _baseURIForTokens, _data);\n }\n\n /// @dev Lets an account with `MINTER_ROLE` reveal the URI for a batch of 'delayed-reveal' NFTs.\n function reveal(uint256 _index, bytes calldata _key)\n external\n onlyRole(minterRole)\n returns (string memory revealedURI)\n {\n uint256 batchId = getBatchIdAtIndex(_index);\n revealedURI = getRevealURI(batchId, _key);\n\n _setEncryptedData(batchId, \"\");\n _setBaseURI(batchId, revealedURI);\n\n emit TokenURIRevealed(_index, revealedURI);\n }\n\n /*///////////////////////////////////////////////////////////////\n Claiming lazy minted tokens logic\n //////////////////////////////////////////////////////////////*/\n\n /// @dev Claim lazy minted tokens via signature.\n function mintWithSignature(MintRequest calldata _req, bytes calldata _signature)\n external\n payable\n returns (address signer)\n {\n uint256 tokenIdToMint = _currentIndex;\n if (tokenIdToMint + _req.quantity > nextTokenIdToLazyMint) {\n revert(\"!Tokens\");\n }\n\n // Verify and process payload.\n signer = _processRequest(_req, _signature);\n\n address receiver = _req.to;\n\n // Collect price\n _collectPriceOnClaim(_req.primarySaleRecipient, _req.quantity, _req.currency, _req.pricePerToken);\n\n // Set royalties, if applicable.\n if (_req.royaltyRecipient != address(0) && _req.royaltyBps != 0) {\n _setupRoyaltyInfoForToken(tokenIdToMint, _req.royaltyRecipient, _req.royaltyBps);\n }\n\n // Mint tokens.\n _safeMint(receiver, _req.quantity);\n\n emit TokensMintedWithSignature(signer, receiver, tokenIdToMint, _req);\n }\n\n /*///////////////////////////////////////////////////////////////\n Internal functions\n //////////////////////////////////////////////////////////////*/\n\n /// @dev Runs before every `claim` function call.\n function _beforeClaim(\n address,\n uint256 _quantity,\n address,\n uint256,\n AllowlistProof calldata,\n bytes memory\n ) internal view override {\n require(_currentIndex + _quantity <= nextTokenIdToLazyMint, \"!Tokens\");\n }\n\n /// @dev Collects and distributes the primary sale value of NFTs being claimed.\n function _collectPriceOnClaim(\n address _primarySaleRecipient,\n uint256 _quantityToClaim,\n address _currency,\n uint256 _pricePerToken\n ) internal override {\n if (_pricePerToken == 0) {\n return;\n }\n\n (address platformFeeRecipient, uint16 platformFeeBps) = getPlatformFeeInfo();\n\n address saleRecipient = _primarySaleRecipient == address(0) ? primarySaleRecipient() : _primarySaleRecipient;\n\n uint256 totalPrice = _quantityToClaim * _pricePerToken;\n uint256 platformFees = (totalPrice * platformFeeBps) / MAX_BPS;\n\n if (_currency == CurrencyTransferLib.NATIVE_TOKEN) {\n if (msg.value != totalPrice) {\n revert(\"!Price\");\n }\n }\n\n CurrencyTransferLib.transferCurrency(_currency, _msgSender(), platformFeeRecipient, platformFees);\n CurrencyTransferLib.transferCurrency(_currency, _msgSender(), saleRecipient, totalPrice - platformFees);\n }\n\n /// @dev Transfers the NFTs being claimed.\n function _transferTokensOnClaim(address _to, uint256 _quantityBeingClaimed)\n internal\n override\n returns (uint256 startTokenId)\n {\n startTokenId = _currentIndex;\n _safeMint(_to, _quantityBeingClaimed);\n }\n\n /// @dev Returns whether a given address is authorized to sign mint requests.\n function _isAuthorizedSigner(address _signer) internal view override returns (bool) {\n return hasRole(minterRole, _signer);\n }\n\n /// @dev Checks whether platform fee info can be set in the given execution context.\n function _canSetPlatformFeeInfo() internal view override returns (bool) {\n return hasRole(DEFAULT_ADMIN_ROLE, _msgSender());\n }\n\n /// @dev Checks whether primary sale recipient can be set in the given execution context.\n function _canSetPrimarySaleRecipient() internal view override returns (bool) {\n return hasRole(DEFAULT_ADMIN_ROLE, _msgSender());\n }\n\n /// @dev Checks whether owner can be set in the given execution context.\n function _canSetOwner() internal view override returns (bool) {\n return hasRole(DEFAULT_ADMIN_ROLE, _msgSender());\n }\n\n /// @dev Checks whether royalty info can be set in the given execution context.\n function _canSetRoyaltyInfo() internal view override returns (bool) {\n return hasRole(DEFAULT_ADMIN_ROLE, _msgSender());\n }\n\n /// @dev Checks whether contract metadata can be set in the given execution context.\n function _canSetContractURI() internal view override returns (bool) {\n return hasRole(DEFAULT_ADMIN_ROLE, _msgSender());\n }\n\n /// @dev Checks whether platform fee info can be set in the given execution context.\n function _canSetClaimConditions() internal view override returns (bool) {\n return hasRole(DEFAULT_ADMIN_ROLE, _msgSender());\n }\n\n /// @dev Returns whether lazy minting can be done in the given execution context.\n function _canLazyMint() internal view virtual override returns (bool) {\n return hasRole(minterRole, _msgSender());\n }\n\n /*///////////////////////////////////////////////////////////////\n Miscellaneous\n //////////////////////////////////////////////////////////////*/\n\n /**\n * Returns the total amount of tokens minted in the contract.\n */\n function totalMinted() external view returns (uint256) {\n unchecked {\n return _currentIndex - _startTokenId();\n }\n }\n\n /// @dev The tokenId of the next NFT that will be minted / lazy minted.\n function nextTokenIdToMint() external view returns (uint256) {\n return nextTokenIdToLazyMint;\n }\n\n /// @dev Burns `tokenId`. See {ERC721-_burn}.\n function burn(uint256 tokenId) external virtual {\n // note: ERC721AUpgradeable's `_burn(uint256,bool)` internally checks for token approvals.\n _burn(tokenId, true);\n }\n\n /// @dev See {ERC721-_beforeTokenTransfer}.\n function _beforeTokenTransfers(\n address from,\n address to,\n uint256 startTokenId,\n uint256 quantity\n ) internal virtual override {\n super._beforeTokenTransfers(from, to, startTokenId, quantity);\n\n // if transfer is restricted on the contract, we still want to allow burning and minting\n if (!hasRole(transferRole, address(0)) && from != address(0) && to != address(0)) {\n if (!hasRole(transferRole, from) && !hasRole(transferRole, to)) {\n revert(\"!Transfer-Role\");\n }\n }\n }\n\n function _dropMsgSender() internal view virtual override returns (address) {\n return _msgSender();\n }\n\n function _msgSender()\n internal\n view\n virtual\n override(ContextUpgradeable, ERC2771ContextUpgradeable)\n returns (address sender)\n {\n return ERC2771ContextUpgradeable._msgSender();\n }\n\n function _msgData()\n internal\n view\n virtual\n override(ContextUpgradeable, ERC2771ContextUpgradeable)\n returns (bytes calldata)\n {\n return ERC2771ContextUpgradeable._msgData();\n }\n}\n" }, "node_modules/@openzeppelin/contracts-upgradeable/interfaces/IERC2981Upgradeable.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.6.0) (interfaces/IERC2981.sol)\n\npragma solidity ^0.8.0;\n\nimport \"../utils/introspection/IERC165Upgradeable.sol\";\n\n/**\n * @dev Interface for the NFT Royalty Standard.\n *\n * A standardized way to retrieve royalty payment information for non-fungible tokens (NFTs) to enable universal\n * support for royalty payments across all NFT marketplaces and ecosystem participants.\n *\n * _Available since v4.5._\n */\ninterface IERC2981Upgradeable is IERC165Upgradeable {\n /**\n * @dev Returns how much royalty is owed and to whom, based on a sale price that may be denominated in any unit of\n * exchange. The royalty amount is denominated and should be paid in that same unit of exchange.\n */\n function royaltyInfo(uint256 tokenId, uint256 salePrice)\n external\n view\n returns (address receiver, uint256 royaltyAmount);\n}\n" }, "node_modules/@openzeppelin/contracts-upgradeable/proxy/utils/Initializable.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.7.0) (proxy/utils/Initializable.sol)\n\npragma solidity ^0.8.2;\n\nimport \"../../utils/AddressUpgradeable.sol\";\n\n/**\n * @dev This is a base contract to aid in writing upgradeable contracts, or any kind of contract that will be deployed\n * behind a proxy. Since proxied contracts do not make use of a constructor, it's common to move constructor logic to an\n * external initializer function, usually called `initialize`. It then becomes necessary to protect this initializer\n * function so it can only be called once. The {initializer} modifier provided by this contract will have this effect.\n *\n * The initialization functions use a version number. Once a version number is used, it is consumed and cannot be\n * reused. This mechanism prevents re-execution of each \"step\" but allows the creation of new initialization steps in\n * case an upgrade adds a module that needs to be initialized.\n *\n * For example:\n *\n * [.hljs-theme-light.nopadding]\n * ```\n * contract MyToken is ERC20Upgradeable {\n * function initialize() initializer public {\n * __ERC20_init(\"MyToken\", \"MTK\");\n * }\n * }\n * contract MyTokenV2 is MyToken, ERC20PermitUpgradeable {\n * function initializeV2() reinitializer(2) public {\n * __ERC20Permit_init(\"MyToken\");\n * }\n * }\n * ```\n *\n * TIP: To avoid leaving the proxy in an uninitialized state, the initializer function should be called as early as\n * possible by providing the encoded function call as the `_data` argument to {ERC1967Proxy-constructor}.\n *\n * CAUTION: When used with inheritance, manual care must be taken to not invoke a parent initializer twice, or to ensure\n * that all initializers are idempotent. This is not verified automatically as constructors are by Solidity.\n *\n * [CAUTION]\n * ====\n * Avoid leaving a contract uninitialized.\n *\n * An uninitialized contract can be taken over by an attacker. This applies to both a proxy and its implementation\n * contract, which may impact the proxy. To prevent the implementation contract from being used, you should invoke\n * the {_disableInitializers} function in the constructor to automatically lock it when it is deployed:\n *\n * [.hljs-theme-light.nopadding]\n * ```\n * /// @custom:oz-upgrades-unsafe-allow constructor\n * constructor() {\n * _disableInitializers();\n * }\n * ```\n * ====\n */\nabstract contract Initializable {\n /**\n * @dev Indicates that the contract has been initialized.\n * @custom:oz-retyped-from bool\n */\n uint8 private _initialized;\n\n /**\n * @dev Indicates that the contract is in the process of being initialized.\n */\n bool private _initializing;\n\n /**\n * @dev Triggered when the contract has been initialized or reinitialized.\n */\n event Initialized(uint8 version);\n\n /**\n * @dev A modifier that defines a protected initializer function that can be invoked at most once. In its scope,\n * `onlyInitializing` functions can be used to initialize parent contracts. Equivalent to `reinitializer(1)`.\n */\n modifier initializer() {\n bool isTopLevelCall = !_initializing;\n require(\n (isTopLevelCall && _initialized < 1) || (!AddressUpgradeable.isContract(address(this)) && _initialized == 1),\n \"Initializable: contract is already initialized\"\n );\n _initialized = 1;\n if (isTopLevelCall) {\n _initializing = true;\n }\n _;\n if (isTopLevelCall) {\n _initializing = false;\n emit Initialized(1);\n }\n }\n\n /**\n * @dev A modifier that defines a protected reinitializer function that can be invoked at most once, and only if the\n * contract hasn't been initialized to a greater version before. In its scope, `onlyInitializing` functions can be\n * used to initialize parent contracts.\n *\n * `initializer` is equivalent to `reinitializer(1)`, so a reinitializer may be used after the original\n * initialization step. This is essential to configure modules that are added through upgrades and that require\n * initialization.\n *\n * Note that versions can jump in increments greater than 1; this implies that if multiple reinitializers coexist in\n * a contract, executing them in the right order is up to the developer or operator.\n */\n modifier reinitializer(uint8 version) {\n require(!_initializing && _initialized < version, \"Initializable: contract is already initialized\");\n _initialized = version;\n _initializing = true;\n _;\n _initializing = false;\n emit Initialized(version);\n }\n\n /**\n * @dev Modifier to protect an initialization function so that it can only be invoked by functions with the\n * {initializer} and {reinitializer} modifiers, directly or indirectly.\n */\n modifier onlyInitializing() {\n require(_initializing, \"Initializable: contract is not initializing\");\n _;\n }\n\n /**\n * @dev Locks the contract, preventing any future reinitialization. This cannot be part of an initializer call.\n * Calling this in the constructor of a contract will prevent that contract from being initialized or reinitialized\n * to any version. It is recommended to use this to lock implementation contracts that are designed to be called\n * through proxies.\n */\n function _disableInitializers() internal virtual {\n require(!_initializing, \"Initializable: contract is initializing\");\n if (_initialized < type(uint8).max) {\n _initialized = type(uint8).max;\n emit Initialized(type(uint8).max);\n }\n }\n}\n" }, "node_modules/@openzeppelin/contracts-upgradeable/token/ERC721/IERC721ReceiverUpgradeable.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.6.0) (token/ERC721/IERC721Receiver.sol)\n\npragma solidity ^0.8.0;\n\n/**\n * @title ERC721 token receiver interface\n * @dev Interface for any contract that wants to support safeTransfers\n * from ERC721 asset contracts.\n */\ninterface IERC721ReceiverUpgradeable {\n /**\n * @dev Whenever an {IERC721} `tokenId` token is transferred to this contract via {IERC721-safeTransferFrom}\n * by `operator` from `from`, this function is called.\n *\n * It must return its Solidity selector to confirm the token transfer.\n * If any other value is returned or the interface is not implemented by the recipient, the transfer will be reverted.\n *\n * The selector can be obtained in Solidity with `IERC721Receiver.onERC721Received.selector`.\n */\n function onERC721Received(\n address operator,\n address from,\n uint256 tokenId,\n bytes calldata data\n ) external returns (bytes4);\n}\n" }, "node_modules/@openzeppelin/contracts-upgradeable/token/ERC721/IERC721Upgradeable.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.7.0) (token/ERC721/IERC721.sol)\n\npragma solidity ^0.8.0;\n\nimport \"../../utils/introspection/IERC165Upgradeable.sol\";\n\n/**\n * @dev Required interface of an ERC721 compliant contract.\n */\ninterface IERC721Upgradeable is IERC165Upgradeable {\n /**\n * @dev Emitted when `tokenId` token is transferred from `from` to `to`.\n */\n event Transfer(address indexed from, address indexed to, uint256 indexed tokenId);\n\n /**\n * @dev Emitted when `owner` enables `approved` to manage the `tokenId` token.\n */\n event Approval(address indexed owner, address indexed approved, uint256 indexed tokenId);\n\n /**\n * @dev Emitted when `owner` enables or disables (`approved`) `operator` to manage all of its assets.\n */\n event ApprovalForAll(address indexed owner, address indexed operator, bool approved);\n\n /**\n * @dev Returns the number of tokens in ``owner``'s account.\n */\n function balanceOf(address owner) external view returns (uint256 balance);\n\n /**\n * @dev Returns the owner of the `tokenId` token.\n *\n * Requirements:\n *\n * - `tokenId` must exist.\n */\n function ownerOf(uint256 tokenId) external view returns (address owner);\n\n /**\n * @dev Safely transfers `tokenId` token from `from` to `to`.\n *\n * Requirements:\n *\n * - `from` cannot be the zero address.\n * - `to` cannot be the zero address.\n * - `tokenId` token must exist and be owned by `from`.\n * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}.\n * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.\n *\n * Emits a {Transfer} event.\n */\n function safeTransferFrom(\n address from,\n address to,\n uint256 tokenId,\n bytes calldata data\n ) external;\n\n /**\n * @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients\n * are aware of the ERC721 protocol to prevent tokens from being forever locked.\n *\n * Requirements:\n *\n * - `from` cannot be the zero address.\n * - `to` cannot be the zero address.\n * - `tokenId` token must exist and be owned by `from`.\n * - If the caller is not `from`, it must have been allowed to move this token by either {approve} or {setApprovalForAll}.\n * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.\n *\n * Emits a {Transfer} event.\n */\n function safeTransferFrom(\n address from,\n address to,\n uint256 tokenId\n ) external;\n\n /**\n * @dev Transfers `tokenId` token from `from` to `to`.\n *\n * WARNING: Usage of this method is discouraged, use {safeTransferFrom} whenever possible.\n *\n * Requirements:\n *\n * - `from` cannot be the zero address.\n * - `to` cannot be the zero address.\n * - `tokenId` token must be owned by `from`.\n * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}.\n *\n * Emits a {Transfer} event.\n */\n function transferFrom(\n address from,\n address to,\n uint256 tokenId\n ) external;\n\n /**\n * @dev Gives permission to `to` to transfer `tokenId` token to another account.\n * The approval is cleared when the token is transferred.\n *\n * Only a single account can be approved at a time, so approving the zero address clears previous approvals.\n *\n * Requirements:\n *\n * - The caller must own the token or be an approved operator.\n * - `tokenId` must exist.\n *\n * Emits an {Approval} event.\n */\n function approve(address to, uint256 tokenId) external;\n\n /**\n * @dev Approve or remove `operator` as an operator for the caller.\n * Operators can call {transferFrom} or {safeTransferFrom} for any token owned by the caller.\n *\n * Requirements:\n *\n * - The `operator` cannot be the caller.\n *\n * Emits an {ApprovalForAll} event.\n */\n function setApprovalForAll(address operator, bool _approved) external;\n\n /**\n * @dev Returns the account approved for `tokenId` token.\n *\n * Requirements:\n *\n * - `tokenId` must exist.\n */\n function getApproved(uint256 tokenId) external view returns (address operator);\n\n /**\n * @dev Returns if the `operator` is allowed to manage all of the assets of `owner`.\n *\n * See {setApprovalForAll}\n */\n function isApprovedForAll(address owner, address operator) external view returns (bool);\n}\n" }, "node_modules/@openzeppelin/contracts-upgradeable/token/ERC721/extensions/IERC721MetadataUpgradeable.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (token/ERC721/extensions/IERC721Metadata.sol)\n\npragma solidity ^0.8.0;\n\nimport \"../IERC721Upgradeable.sol\";\n\n/**\n * @title ERC-721 Non-Fungible Token Standard, optional metadata extension\n * @dev See https://eips.ethereum.org/EIPS/eip-721\n */\ninterface IERC721MetadataUpgradeable is IERC721Upgradeable {\n /**\n * @dev Returns the token collection name.\n */\n function name() external view returns (string memory);\n\n /**\n * @dev Returns the token collection symbol.\n */\n function symbol() external view returns (string memory);\n\n /**\n * @dev Returns the Uniform Resource Identifier (URI) for `tokenId` token.\n */\n function tokenURI(uint256 tokenId) external view returns (string memory);\n}\n" }, "node_modules/@openzeppelin/contracts-upgradeable/utils/AddressUpgradeable.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.7.0) (utils/Address.sol)\n\npragma solidity ^0.8.1;\n\n/**\n * @dev Collection of functions related to the address type\n */\nlibrary AddressUpgradeable {\n /**\n * @dev Returns true if `account` is a contract.\n *\n * [IMPORTANT]\n * ====\n * It is unsafe to assume that an address for which this function returns\n * false is an externally-owned account (EOA) and not a contract.\n *\n * Among others, `isContract` will return false for the following\n * types of addresses:\n *\n * - an externally-owned account\n * - a contract in construction\n * - an address where a contract will be created\n * - an address where a contract lived, but was destroyed\n * ====\n *\n * [IMPORTANT]\n * ====\n * You shouldn't rely on `isContract` to protect against flash loan attacks!\n *\n * Preventing calls from contracts is highly discouraged. It breaks composability, breaks support for smart wallets\n * like Gnosis Safe, and does not provide security since it can be circumvented by calling from a contract\n * constructor.\n * ====\n */\n function isContract(address account) internal view returns (bool) {\n // This method relies on extcodesize/address.code.length, which returns 0\n // for contracts in construction, since the code is only stored at the end\n // of the constructor execution.\n\n return account.code.length > 0;\n }\n\n /**\n * @dev Replacement for Solidity's `transfer`: sends `amount` wei to\n * `recipient`, forwarding all available gas and reverting on errors.\n *\n * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost\n * of certain opcodes, possibly making contracts go over the 2300 gas limit\n * imposed by `transfer`, making them unable to receive funds via\n * `transfer`. {sendValue} removes this limitation.\n *\n * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more].\n *\n * IMPORTANT: because control is transferred to `recipient`, care must be\n * taken to not create reentrancy vulnerabilities. Consider using\n * {ReentrancyGuard} or the\n * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].\n */\n function sendValue(address payable recipient, uint256 amount) internal {\n require(address(this).balance >= amount, \"Address: insufficient balance\");\n\n (bool success, ) = recipient.call{value: amount}(\"\");\n require(success, \"Address: unable to send value, recipient may have reverted\");\n }\n\n /**\n * @dev Performs a Solidity function call using a low level `call`. A\n * plain `call` is an unsafe replacement for a function call: use this\n * function instead.\n *\n * If `target` reverts with a revert reason, it is bubbled up by this\n * function (like regular Solidity function calls).\n *\n * Returns the raw returned data. To convert to the expected return value,\n * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].\n *\n * Requirements:\n *\n * - `target` must be a contract.\n * - calling `target` with `data` must not revert.\n *\n * _Available since v3.1._\n */\n function functionCall(address target, bytes memory data) internal returns (bytes memory) {\n return functionCall(target, data, \"Address: low-level call failed\");\n }\n\n /**\n * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with\n * `errorMessage` as a fallback revert reason when `target` reverts.\n *\n * _Available since v3.1._\n */\n function functionCall(\n address target,\n bytes memory data,\n string memory errorMessage\n ) internal returns (bytes memory) {\n return functionCallWithValue(target, data, 0, errorMessage);\n }\n\n /**\n * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],\n * but also transferring `value` wei to `target`.\n *\n * Requirements:\n *\n * - the calling contract must have an ETH balance of at least `value`.\n * - the called Solidity function must be `payable`.\n *\n * _Available since v3.1._\n */\n function functionCallWithValue(\n address target,\n bytes memory data,\n uint256 value\n ) internal returns (bytes memory) {\n return functionCallWithValue(target, data, value, \"Address: low-level call with value failed\");\n }\n\n /**\n * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but\n * with `errorMessage` as a fallback revert reason when `target` reverts.\n *\n * _Available since v3.1._\n */\n function functionCallWithValue(\n address target,\n bytes memory data,\n uint256 value,\n string memory errorMessage\n ) internal returns (bytes memory) {\n require(address(this).balance >= value, \"Address: insufficient balance for call\");\n require(isContract(target), \"Address: call to non-contract\");\n\n (bool success, bytes memory returndata) = target.call{value: value}(data);\n return verifyCallResult(success, returndata, errorMessage);\n }\n\n /**\n * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],\n * but performing a static call.\n *\n * _Available since v3.3._\n */\n function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {\n return functionStaticCall(target, data, \"Address: low-level static call failed\");\n }\n\n /**\n * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],\n * but performing a static call.\n *\n * _Available since v3.3._\n */\n function functionStaticCall(\n address target,\n bytes memory data,\n string memory errorMessage\n ) internal view returns (bytes memory) {\n require(isContract(target), \"Address: static call to non-contract\");\n\n (bool success, bytes memory returndata) = target.staticcall(data);\n return verifyCallResult(success, returndata, errorMessage);\n }\n\n /**\n * @dev Tool to verifies that a low level call was successful, and revert if it wasn't, either by bubbling the\n * revert reason using the provided one.\n *\n * _Available since v4.3._\n */\n function verifyCallResult(\n bool success,\n bytes memory returndata,\n string memory errorMessage\n ) internal pure returns (bytes memory) {\n if (success) {\n return returndata;\n } else {\n // Look for revert reason and bubble it up if present\n if (returndata.length > 0) {\n // The easiest way to bubble the revert reason is using memory via assembly\n /// @solidity memory-safe-assembly\n assembly {\n let returndata_size := mload(returndata)\n revert(add(32, returndata), returndata_size)\n }\n } else {\n revert(errorMessage);\n }\n }\n }\n}\n" }, "node_modules/@openzeppelin/contracts-upgradeable/utils/ContextUpgradeable.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (utils/Context.sol)\n\npragma solidity ^0.8.0;\nimport \"../proxy/utils/Initializable.sol\";\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 ContextUpgradeable is Initializable {\n function __Context_init() internal onlyInitializing {\n }\n\n function __Context_init_unchained() internal onlyInitializing {\n }\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 /**\n * @dev This empty reserved space is put in place to allow future versions to add new\n * variables without shifting down storage in the inheritance chain.\n * See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps\n */\n uint256[50] private __gap;\n}\n" }, "node_modules/@openzeppelin/contracts-upgradeable/utils/MulticallUpgradeable.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.5.0) (utils/Multicall.sol)\n\npragma solidity ^0.8.0;\n\nimport \"./AddressUpgradeable.sol\";\nimport \"../proxy/utils/Initializable.sol\";\n\n/**\n * @dev Provides a function to batch together multiple calls in a single external call.\n *\n * _Available since v4.1._\n */\nabstract contract MulticallUpgradeable is Initializable {\n function __Multicall_init() internal onlyInitializing {\n }\n\n function __Multicall_init_unchained() internal onlyInitializing {\n }\n /**\n * @dev Receives and executes a batch of function calls on this contract.\n */\n function multicall(bytes[] calldata data) external virtual returns (bytes[] memory results) {\n results = new bytes[](data.length);\n for (uint256 i = 0; i < data.length; i++) {\n results[i] = _functionDelegateCall(address(this), data[i]);\n }\n return results;\n }\n\n /**\n * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],\n * but performing a delegate call.\n *\n * _Available since v3.4._\n */\n function _functionDelegateCall(address target, bytes memory data) private returns (bytes memory) {\n require(AddressUpgradeable.isContract(target), \"Address: delegate call to non-contract\");\n\n // solhint-disable-next-line avoid-low-level-calls\n (bool success, bytes memory returndata) = target.delegatecall(data);\n return AddressUpgradeable.verifyCallResult(success, returndata, \"Address: low-level delegate call failed\");\n }\n\n /**\n * @dev This empty reserved space is put in place to allow future versions to add new\n * variables without shifting down storage in the inheritance chain.\n * See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps\n */\n uint256[50] private __gap;\n}\n" }, "node_modules/@openzeppelin/contracts-upgradeable/utils/StringsUpgradeable.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.7.0) (utils/Strings.sol)\n\npragma solidity ^0.8.0;\n\n/**\n * @dev String operations.\n */\nlibrary StringsUpgradeable {\n bytes16 private constant _HEX_SYMBOLS = \"0123456789abcdef\";\n uint8 private constant _ADDRESS_LENGTH = 20;\n\n /**\n * @dev Converts a `uint256` to its ASCII `string` decimal representation.\n */\n function toString(uint256 value) internal pure returns (string memory) {\n // Inspired by OraclizeAPI's implementation - MIT licence\n // https://github.com/oraclize/ethereum-api/blob/b42146b063c7d6ee1358846c198246239e9360e8/oraclizeAPI_0.4.25.sol\n\n if (value == 0) {\n return \"0\";\n }\n uint256 temp = value;\n uint256 digits;\n while (temp != 0) {\n digits++;\n temp /= 10;\n }\n bytes memory buffer = new bytes(digits);\n while (value != 0) {\n digits -= 1;\n buffer[digits] = bytes1(uint8(48 + uint256(value % 10)));\n value /= 10;\n }\n return string(buffer);\n }\n\n /**\n * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation.\n */\n function toHexString(uint256 value) internal pure returns (string memory) {\n if (value == 0) {\n return \"0x00\";\n }\n uint256 temp = value;\n uint256 length = 0;\n while (temp != 0) {\n length++;\n temp >>= 8;\n }\n return toHexString(value, length);\n }\n\n /**\n * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation with fixed length.\n */\n function toHexString(uint256 value, uint256 length) internal pure returns (string memory) {\n bytes memory buffer = new bytes(2 * length + 2);\n buffer[0] = \"0\";\n buffer[1] = \"x\";\n for (uint256 i = 2 * length + 1; i > 1; --i) {\n buffer[i] = _HEX_SYMBOLS[value & 0xf];\n value >>= 4;\n }\n require(value == 0, \"Strings: hex length insufficient\");\n return string(buffer);\n }\n\n /**\n * @dev Converts an `address` with fixed length of 20 bytes to its not checksummed ASCII `string` hexadecimal representation.\n */\n function toHexString(address addr) internal pure returns (string memory) {\n return toHexString(uint256(uint160(addr)), _ADDRESS_LENGTH);\n }\n}\n" }, "node_modules/@openzeppelin/contracts-upgradeable/utils/cryptography/ECDSAUpgradeable.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.7.3) (utils/cryptography/ECDSA.sol)\n\npragma solidity ^0.8.0;\n\nimport \"../StringsUpgradeable.sol\";\n\n/**\n * @dev Elliptic Curve Digital Signature Algorithm (ECDSA) operations.\n *\n * These functions can be used to verify that a message was signed by the holder\n * of the private keys of a given address.\n */\nlibrary ECDSAUpgradeable {\n enum RecoverError {\n NoError,\n InvalidSignature,\n InvalidSignatureLength,\n InvalidSignatureS,\n InvalidSignatureV\n }\n\n function _throwError(RecoverError error) private pure {\n if (error == RecoverError.NoError) {\n return; // no error: do nothing\n } else if (error == RecoverError.InvalidSignature) {\n revert(\"ECDSA: invalid signature\");\n } else if (error == RecoverError.InvalidSignatureLength) {\n revert(\"ECDSA: invalid signature length\");\n } else if (error == RecoverError.InvalidSignatureS) {\n revert(\"ECDSA: invalid signature 's' value\");\n } else if (error == RecoverError.InvalidSignatureV) {\n revert(\"ECDSA: invalid signature 'v' value\");\n }\n }\n\n /**\n * @dev Returns the address that signed a hashed message (`hash`) with\n * `signature` or error string. This address can then be used for verification purposes.\n *\n * The `ecrecover` EVM opcode allows for malleable (non-unique) signatures:\n * this function rejects them by requiring the `s` value to be in the lower\n * half order, and the `v` value to be either 27 or 28.\n *\n * IMPORTANT: `hash` _must_ be the result of a hash operation for the\n * verification to be secure: it is possible to craft signatures that\n * recover to arbitrary addresses for non-hashed data. A safe way to ensure\n * this is by receiving a hash of the original message (which may otherwise\n * be too long), and then calling {toEthSignedMessageHash} on it.\n *\n * Documentation for signature generation:\n * - with https://web3js.readthedocs.io/en/v1.3.4/web3-eth-accounts.html#sign[Web3.js]\n * - with https://docs.ethers.io/v5/api/signer/#Signer-signMessage[ethers]\n *\n * _Available since v4.3._\n */\n function tryRecover(bytes32 hash, bytes memory signature) internal pure returns (address, RecoverError) {\n if (signature.length == 65) {\n bytes32 r;\n bytes32 s;\n uint8 v;\n // ecrecover takes the signature parameters, and the only way to get them\n // currently is to use assembly.\n /// @solidity memory-safe-assembly\n assembly {\n r := mload(add(signature, 0x20))\n s := mload(add(signature, 0x40))\n v := byte(0, mload(add(signature, 0x60)))\n }\n return tryRecover(hash, v, r, s);\n } else {\n return (address(0), RecoverError.InvalidSignatureLength);\n }\n }\n\n /**\n * @dev Returns the address that signed a hashed message (`hash`) with\n * `signature`. This address can then be used for verification purposes.\n *\n * The `ecrecover` EVM opcode allows for malleable (non-unique) signatures:\n * this function rejects them by requiring the `s` value to be in the lower\n * half order, and the `v` value to be either 27 or 28.\n *\n * IMPORTANT: `hash` _must_ be the result of a hash operation for the\n * verification to be secure: it is possible to craft signatures that\n * recover to arbitrary addresses for non-hashed data. A safe way to ensure\n * this is by receiving a hash of the original message (which may otherwise\n * be too long), and then calling {toEthSignedMessageHash} on it.\n */\n function recover(bytes32 hash, bytes memory signature) internal pure returns (address) {\n (address recovered, RecoverError error) = tryRecover(hash, signature);\n _throwError(error);\n return recovered;\n }\n\n /**\n * @dev Overload of {ECDSA-tryRecover} that receives the `r` and `vs` short-signature fields separately.\n *\n * See https://eips.ethereum.org/EIPS/eip-2098[EIP-2098 short signatures]\n *\n * _Available since v4.3._\n */\n function tryRecover(\n bytes32 hash,\n bytes32 r,\n bytes32 vs\n ) internal pure returns (address, RecoverError) {\n bytes32 s = vs & bytes32(0x7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff);\n uint8 v = uint8((uint256(vs) >> 255) + 27);\n return tryRecover(hash, v, r, s);\n }\n\n /**\n * @dev Overload of {ECDSA-recover} that receives the `r and `vs` short-signature fields separately.\n *\n * _Available since v4.2._\n */\n function recover(\n bytes32 hash,\n bytes32 r,\n bytes32 vs\n ) internal pure returns (address) {\n (address recovered, RecoverError error) = tryRecover(hash, r, vs);\n _throwError(error);\n return recovered;\n }\n\n /**\n * @dev Overload of {ECDSA-tryRecover} that receives the `v`,\n * `r` and `s` signature fields separately.\n *\n * _Available since v4.3._\n */\n function tryRecover(\n bytes32 hash,\n uint8 v,\n bytes32 r,\n bytes32 s\n ) internal pure returns (address, RecoverError) {\n // EIP-2 still allows signature malleability for ecrecover(). Remove this possibility and make the signature\n // unique. Appendix F in the Ethereum Yellow paper (https://ethereum.github.io/yellowpaper/paper.pdf), defines\n // the valid range for s in (301): 0 < s < secp256k1n ÷ 2 + 1, and for v in (302): v ∈ {27, 28}. Most\n // signatures from current libraries generate a unique signature with an s-value in the lower half order.\n //\n // If your library generates malleable signatures, such as s-values in the upper range, calculate a new s-value\n // with 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEBAAEDCE6AF48A03BBFD25E8CD0364141 - s1 and flip v from 27 to 28 or\n // vice versa. If your library also generates signatures with 0/1 for v instead 27/28, add 27 to v to accept\n // these malleable signatures as well.\n if (uint256(s) > 0x7FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF5D576E7357A4501DDFE92F46681B20A0) {\n return (address(0), RecoverError.InvalidSignatureS);\n }\n if (v != 27 && v != 28) {\n return (address(0), RecoverError.InvalidSignatureV);\n }\n\n // If the signature is valid (and not malleable), return the signer address\n address signer = ecrecover(hash, v, r, s);\n if (signer == address(0)) {\n return (address(0), RecoverError.InvalidSignature);\n }\n\n return (signer, RecoverError.NoError);\n }\n\n /**\n * @dev Overload of {ECDSA-recover} that receives the `v`,\n * `r` and `s` signature fields separately.\n */\n function recover(\n bytes32 hash,\n uint8 v,\n bytes32 r,\n bytes32 s\n ) internal pure returns (address) {\n (address recovered, RecoverError error) = tryRecover(hash, v, r, s);\n _throwError(error);\n return recovered;\n }\n\n /**\n * @dev Returns an Ethereum Signed Message, created from a `hash`. This\n * produces hash corresponding to the one signed with the\n * https://eth.wiki/json-rpc/API#eth_sign[`eth_sign`]\n * JSON-RPC method as part of EIP-191.\n *\n * See {recover}.\n */\n function toEthSignedMessageHash(bytes32 hash) internal pure returns (bytes32) {\n // 32 is the length in bytes of hash,\n // enforced by the type signature above\n return keccak256(abi.encodePacked(\"\\x19Ethereum Signed Message:\\n32\", hash));\n }\n\n /**\n * @dev Returns an Ethereum Signed Message, created from `s`. This\n * produces hash corresponding to the one signed with the\n * https://eth.wiki/json-rpc/API#eth_sign[`eth_sign`]\n * JSON-RPC method as part of EIP-191.\n *\n * See {recover}.\n */\n function toEthSignedMessageHash(bytes memory s) internal pure returns (bytes32) {\n return keccak256(abi.encodePacked(\"\\x19Ethereum Signed Message:\\n\", StringsUpgradeable.toString(s.length), s));\n }\n\n /**\n * @dev Returns an Ethereum Signed Typed Data, created from a\n * `domainSeparator` and a `structHash`. This produces hash corresponding\n * to the one signed with the\n * https://eips.ethereum.org/EIPS/eip-712[`eth_signTypedData`]\n * JSON-RPC method as part of EIP-712.\n *\n * See {recover}.\n */\n function toTypedDataHash(bytes32 domainSeparator, bytes32 structHash) internal pure returns (bytes32) {\n return keccak256(abi.encodePacked(\"\\x19\\x01\", domainSeparator, structHash));\n }\n}\n" }, "node_modules/@openzeppelin/contracts-upgradeable/utils/cryptography/draft-EIP712Upgradeable.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (utils/cryptography/draft-EIP712.sol)\n\npragma solidity ^0.8.0;\n\nimport \"./ECDSAUpgradeable.sol\";\nimport \"../../proxy/utils/Initializable.sol\";\n\n/**\n * @dev https://eips.ethereum.org/EIPS/eip-712[EIP 712] is a standard for hashing and signing of typed structured data.\n *\n * The encoding specified in the EIP is very generic, and such a generic implementation in Solidity is not feasible,\n * thus this contract does not implement the encoding itself. Protocols need to implement the type-specific encoding\n * they need in their contracts using a combination of `abi.encode` and `keccak256`.\n *\n * This contract implements the EIP 712 domain separator ({_domainSeparatorV4}) that is used as part of the encoding\n * scheme, and the final step of the encoding to obtain the message digest that is then signed via ECDSA\n * ({_hashTypedDataV4}).\n *\n * The implementation of the domain separator was designed to be as efficient as possible while still properly updating\n * the chain id to protect against replay attacks on an eventual fork of the chain.\n *\n * NOTE: This contract implements the version of the encoding known as \"v4\", as implemented by the JSON RPC method\n * https://docs.metamask.io/guide/signing-data.html[`eth_signTypedDataV4` in MetaMask].\n *\n * _Available since v3.4._\n *\n * @custom:storage-size 52\n */\nabstract contract EIP712Upgradeable is Initializable {\n /* solhint-disable var-name-mixedcase */\n bytes32 private _HASHED_NAME;\n bytes32 private _HASHED_VERSION;\n bytes32 private constant _TYPE_HASH = keccak256(\"EIP712Domain(string name,string version,uint256 chainId,address verifyingContract)\");\n\n /* solhint-enable var-name-mixedcase */\n\n /**\n * @dev Initializes the domain separator and parameter caches.\n *\n * The meaning of `name` and `version` is specified in\n * https://eips.ethereum.org/EIPS/eip-712#definition-of-domainseparator[EIP 712]:\n *\n * - `name`: the user readable name of the signing domain, i.e. the name of the DApp or the protocol.\n * - `version`: the current major version of the signing domain.\n *\n * NOTE: These parameters cannot be changed except through a xref:learn::upgrading-smart-contracts.adoc[smart\n * contract upgrade].\n */\n function __EIP712_init(string memory name, string memory version) internal onlyInitializing {\n __EIP712_init_unchained(name, version);\n }\n\n function __EIP712_init_unchained(string memory name, string memory version) internal onlyInitializing {\n bytes32 hashedName = keccak256(bytes(name));\n bytes32 hashedVersion = keccak256(bytes(version));\n _HASHED_NAME = hashedName;\n _HASHED_VERSION = hashedVersion;\n }\n\n /**\n * @dev Returns the domain separator for the current chain.\n */\n function _domainSeparatorV4() internal view returns (bytes32) {\n return _buildDomainSeparator(_TYPE_HASH, _EIP712NameHash(), _EIP712VersionHash());\n }\n\n function _buildDomainSeparator(\n bytes32 typeHash,\n bytes32 nameHash,\n bytes32 versionHash\n ) private view returns (bytes32) {\n return keccak256(abi.encode(typeHash, nameHash, versionHash, block.chainid, address(this)));\n }\n\n /**\n * @dev Given an already https://eips.ethereum.org/EIPS/eip-712#definition-of-hashstruct[hashed struct], this\n * function returns the hash of the fully encoded EIP712 message for this domain.\n *\n * This hash can be used together with {ECDSA-recover} to obtain the signer of a message. For example:\n *\n * ```solidity\n * bytes32 digest = _hashTypedDataV4(keccak256(abi.encode(\n * keccak256(\"Mail(address to,string contents)\"),\n * mailTo,\n * keccak256(bytes(mailContents))\n * )));\n * address signer = ECDSA.recover(digest, signature);\n * ```\n */\n function _hashTypedDataV4(bytes32 structHash) internal view virtual returns (bytes32) {\n return ECDSAUpgradeable.toTypedDataHash(_domainSeparatorV4(), structHash);\n }\n\n /**\n * @dev The hash of the name parameter for the EIP712 domain.\n *\n * NOTE: This function reads from storage by default, but can be redefined to return a constant value if gas costs\n * are a concern.\n */\n function _EIP712NameHash() internal virtual view returns (bytes32) {\n return _HASHED_NAME;\n }\n\n /**\n * @dev The hash of the version parameter for the EIP712 domain.\n *\n * NOTE: This function reads from storage by default, but can be redefined to return a constant value if gas costs\n * are a concern.\n */\n function _EIP712VersionHash() internal virtual view returns (bytes32) {\n return _HASHED_VERSION;\n }\n\n /**\n * @dev This empty reserved space is put in place to allow future versions to add new\n * variables without shifting down storage in the inheritance chain.\n * See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps\n */\n uint256[50] private __gap;\n}\n" }, "node_modules/@openzeppelin/contracts-upgradeable/utils/introspection/ERC165Upgradeable.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (utils/introspection/ERC165.sol)\n\npragma solidity ^0.8.0;\n\nimport \"./IERC165Upgradeable.sol\";\nimport \"../../proxy/utils/Initializable.sol\";\n\n/**\n * @dev Implementation of the {IERC165} interface.\n *\n * Contracts that want to implement ERC165 should inherit from this contract and override {supportsInterface} to check\n * for the additional interface id that will be supported. For example:\n *\n * ```solidity\n * function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {\n * return interfaceId == type(MyInterface).interfaceId || super.supportsInterface(interfaceId);\n * }\n * ```\n *\n * Alternatively, {ERC165Storage} provides an easier to use but more expensive implementation.\n */\nabstract contract ERC165Upgradeable is Initializable, IERC165Upgradeable {\n function __ERC165_init() internal onlyInitializing {\n }\n\n function __ERC165_init_unchained() internal onlyInitializing {\n }\n /**\n * @dev See {IERC165-supportsInterface}.\n */\n function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {\n return interfaceId == type(IERC165Upgradeable).interfaceId;\n }\n\n /**\n * @dev This empty reserved space is put in place to allow future versions to add new\n * variables without shifting down storage in the inheritance chain.\n * See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps\n */\n uint256[50] private __gap;\n}\n" }, "node_modules/@openzeppelin/contracts-upgradeable/utils/introspection/IERC165Upgradeable.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (utils/introspection/IERC165.sol)\n\npragma solidity ^0.8.0;\n\n/**\n * @dev Interface of the ERC165 standard, as defined in the\n * https://eips.ethereum.org/EIPS/eip-165[EIP].\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 IERC165Upgradeable {\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[EIP 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" }, "node_modules/erc721a-upgradeable/contracts/ERC721AUpgradeable.sol": { "content": "// SPDX-License-Identifier: MIT\n// ERC721A Contracts v3.3.0\n// Creator: Chiru Labs\n\npragma solidity ^0.8.4;\n\nimport \"./IERC721AUpgradeable.sol\";\nimport \"@openzeppelin/contracts-upgradeable/token/ERC721/IERC721ReceiverUpgradeable.sol\";\nimport \"@openzeppelin/contracts-upgradeable/utils/AddressUpgradeable.sol\";\nimport \"@openzeppelin/contracts-upgradeable/utils/ContextUpgradeable.sol\";\nimport \"@openzeppelin/contracts-upgradeable/utils/StringsUpgradeable.sol\";\nimport \"@openzeppelin/contracts-upgradeable/utils/introspection/ERC165Upgradeable.sol\";\nimport \"@openzeppelin/contracts-upgradeable/proxy/utils/Initializable.sol\";\n\n/**\n * @dev Implementation of https://eips.ethereum.org/EIPS/eip-721[ERC721] Non-Fungible Token Standard, including\n * the Metadata extension. Built to optimize for lower gas during batch mints.\n *\n * Assumes serials are sequentially minted starting at _startTokenId() (defaults to 0, e.g. 0, 1, 2, 3..).\n *\n * Assumes that an owner cannot have more than 2**64 - 1 (max value of uint64) of supply.\n *\n * Assumes that the maximum token id cannot exceed 2**256 - 1 (max value of uint256).\n */\ncontract ERC721AUpgradeable is Initializable, ContextUpgradeable, ERC165Upgradeable, IERC721AUpgradeable {\n using AddressUpgradeable for address;\n using StringsUpgradeable for uint256;\n\n // The tokenId of the next token to be minted.\n uint256 internal _currentIndex;\n\n // The number of tokens burned.\n uint256 internal _burnCounter;\n\n // Token name\n string private _name;\n\n // Token symbol\n string private _symbol;\n\n // Mapping from token ID to ownership details\n // An empty struct value does not necessarily mean the token is unowned. See _ownershipOf implementation for details.\n mapping(uint256 => TokenOwnership) internal _ownerships;\n\n // Mapping owner address to address data\n mapping(address => AddressData) private _addressData;\n\n // Mapping from token ID to approved address\n mapping(uint256 => address) private _tokenApprovals;\n\n // Mapping from owner to operator approvals\n mapping(address => mapping(address => bool)) private _operatorApprovals;\n\n function __ERC721A_init(string memory name_, string memory symbol_) internal onlyInitializing {\n __ERC721A_init_unchained(name_, symbol_);\n }\n\n function __ERC721A_init_unchained(string memory name_, string memory symbol_) internal onlyInitializing {\n _name = name_;\n _symbol = symbol_;\n _currentIndex = _startTokenId();\n }\n\n /**\n * To change the starting tokenId, please override this function.\n */\n function _startTokenId() internal view virtual returns (uint256) {\n return 0;\n }\n\n /**\n * @dev Burned tokens are calculated here, use _totalMinted() if you want to count just minted tokens.\n */\n function totalSupply() public view override returns (uint256) {\n // Counter underflow is impossible as _burnCounter cannot be incremented\n // more than _currentIndex - _startTokenId() times\n unchecked {\n return _currentIndex - _burnCounter - _startTokenId();\n }\n }\n\n /**\n * Returns the total amount of tokens minted in the contract.\n */\n function _totalMinted() internal view returns (uint256) {\n // Counter underflow is impossible as _currentIndex does not decrement,\n // and it is initialized to _startTokenId()\n unchecked {\n return _currentIndex - _startTokenId();\n }\n }\n\n /**\n * @dev See {IERC165-supportsInterface}.\n */\n function supportsInterface(bytes4 interfaceId) public view virtual override(ERC165Upgradeable, IERC165Upgradeable) returns (bool) {\n return\n interfaceId == type(IERC721Upgradeable).interfaceId ||\n interfaceId == type(IERC721MetadataUpgradeable).interfaceId ||\n super.supportsInterface(interfaceId);\n }\n\n /**\n * @dev See {IERC721-balanceOf}.\n */\n function balanceOf(address owner) public view override returns (uint256) {\n if (owner == address(0)) revert BalanceQueryForZeroAddress();\n return uint256(_addressData[owner].balance);\n }\n\n /**\n * Returns the number of tokens minted by `owner`.\n */\n function _numberMinted(address owner) internal view returns (uint256) {\n return uint256(_addressData[owner].numberMinted);\n }\n\n /**\n * Returns the number of tokens burned by or on behalf of `owner`.\n */\n function _numberBurned(address owner) internal view returns (uint256) {\n return uint256(_addressData[owner].numberBurned);\n }\n\n /**\n * Returns the auxillary data for `owner`. (e.g. number of whitelist mint slots used).\n */\n function _getAux(address owner) internal view returns (uint64) {\n return _addressData[owner].aux;\n }\n\n /**\n * Sets the auxillary data for `owner`. (e.g. number of whitelist mint slots used).\n * If there are multiple variables, please pack them into a uint64.\n */\n function _setAux(address owner, uint64 aux) internal {\n _addressData[owner].aux = aux;\n }\n\n /**\n * Gas spent here starts off proportional to the maximum mint batch size.\n * It gradually moves to O(1) as tokens get transferred around in the collection over time.\n */\n function _ownershipOf(uint256 tokenId) internal view returns (TokenOwnership memory) {\n uint256 curr = tokenId;\n\n unchecked {\n if (_startTokenId() <= curr) if (curr < _currentIndex) {\n TokenOwnership memory ownership = _ownerships[curr];\n if (!ownership.burned) {\n if (ownership.addr != address(0)) {\n return ownership;\n }\n // Invariant:\n // There will always be an ownership that has an address and is not burned\n // before an ownership that does not have an address and is not burned.\n // Hence, curr will not underflow.\n while (true) {\n curr--;\n ownership = _ownerships[curr];\n if (ownership.addr != address(0)) {\n return ownership;\n }\n }\n }\n }\n }\n revert OwnerQueryForNonexistentToken();\n }\n\n /**\n * @dev See {IERC721-ownerOf}.\n */\n function ownerOf(uint256 tokenId) public view override returns (address) {\n return _ownershipOf(tokenId).addr;\n }\n\n /**\n * @dev See {IERC721Metadata-name}.\n */\n function name() public view virtual override returns (string memory) {\n return _name;\n }\n\n /**\n * @dev See {IERC721Metadata-symbol}.\n */\n function symbol() public view virtual override returns (string memory) {\n return _symbol;\n }\n\n /**\n * @dev See {IERC721Metadata-tokenURI}.\n */\n function tokenURI(uint256 tokenId) public view virtual override returns (string memory) {\n if (!_exists(tokenId)) revert URIQueryForNonexistentToken();\n\n string memory baseURI = _baseURI();\n return bytes(baseURI).length != 0 ? string(abi.encodePacked(baseURI, tokenId.toString())) : '';\n }\n\n /**\n * @dev Base URI for computing {tokenURI}. If set, the resulting URI for each\n * token will be the concatenation of the `baseURI` and the `tokenId`. Empty\n * by default, can be overriden in child contracts.\n */\n function _baseURI() internal view virtual returns (string memory) {\n return '';\n }\n\n /**\n * @dev See {IERC721-approve}.\n */\n function approve(address to, uint256 tokenId) public override {\n address owner = ERC721AUpgradeable.ownerOf(tokenId);\n if (to == owner) revert ApprovalToCurrentOwner();\n\n if (_msgSender() != owner) if(!isApprovedForAll(owner, _msgSender())) {\n revert ApprovalCallerNotOwnerNorApproved();\n }\n\n _approve(to, tokenId, owner);\n }\n\n /**\n * @dev See {IERC721-getApproved}.\n */\n function getApproved(uint256 tokenId) public view override returns (address) {\n if (!_exists(tokenId)) revert ApprovalQueryForNonexistentToken();\n\n return _tokenApprovals[tokenId];\n }\n\n /**\n * @dev See {IERC721-setApprovalForAll}.\n */\n function setApprovalForAll(address operator, bool approved) public virtual override {\n if (operator == _msgSender()) revert ApproveToCaller();\n\n _operatorApprovals[_msgSender()][operator] = approved;\n emit ApprovalForAll(_msgSender(), operator, approved);\n }\n\n /**\n * @dev See {IERC721-isApprovedForAll}.\n */\n function isApprovedForAll(address owner, address operator) public view virtual override returns (bool) {\n return _operatorApprovals[owner][operator];\n }\n\n /**\n * @dev See {IERC721-transferFrom}.\n */\n function transferFrom(\n address from,\n address to,\n uint256 tokenId\n ) public virtual override {\n _transfer(from, to, tokenId);\n }\n\n /**\n * @dev See {IERC721-safeTransferFrom}.\n */\n function safeTransferFrom(\n address from,\n address to,\n uint256 tokenId\n ) public virtual override {\n safeTransferFrom(from, to, tokenId, '');\n }\n\n /**\n * @dev See {IERC721-safeTransferFrom}.\n */\n function safeTransferFrom(\n address from,\n address to,\n uint256 tokenId,\n bytes memory _data\n ) public virtual override {\n _transfer(from, to, tokenId);\n if (to.isContract()) if(!_checkContractOnERC721Received(from, to, tokenId, _data)) {\n revert TransferToNonERC721ReceiverImplementer();\n }\n }\n\n /**\n * @dev Returns whether `tokenId` exists.\n *\n * Tokens can be managed by their owner or approved accounts via {approve} or {setApprovalForAll}.\n *\n * Tokens start existing when they are minted (`_mint`),\n */\n function _exists(uint256 tokenId) internal view returns (bool) {\n return _startTokenId() <= tokenId && tokenId < _currentIndex && !_ownerships[tokenId].burned;\n }\n\n /**\n * @dev Equivalent to `_safeMint(to, quantity, '')`.\n */\n function _safeMint(address to, uint256 quantity) internal {\n _safeMint(to, quantity, '');\n }\n\n /**\n * @dev Safely mints `quantity` tokens and transfers them to `to`.\n *\n * Requirements:\n *\n * - If `to` refers to a smart contract, it must implement\n * {IERC721Receiver-onERC721Received}, which is called for each safe transfer.\n * - `quantity` must be greater than 0.\n *\n * Emits a {Transfer} event.\n */\n function _safeMint(\n address to,\n uint256 quantity,\n bytes memory _data\n ) internal {\n uint256 startTokenId = _currentIndex;\n if (to == address(0)) revert MintToZeroAddress();\n if (quantity == 0) revert MintZeroQuantity();\n\n _beforeTokenTransfers(address(0), to, startTokenId, quantity);\n\n // Overflows are incredibly unrealistic.\n // balance or numberMinted overflow if current value of either + quantity > 1.8e19 (2**64) - 1\n // updatedIndex overflows if _currentIndex + quantity > 1.2e77 (2**256) - 1\n unchecked {\n _addressData[to].balance += uint64(quantity);\n _addressData[to].numberMinted += uint64(quantity);\n\n _ownerships[startTokenId].addr = to;\n _ownerships[startTokenId].startTimestamp = uint64(block.timestamp);\n\n uint256 updatedIndex = startTokenId;\n uint256 end = updatedIndex + quantity;\n\n if (to.isContract()) {\n do {\n emit Transfer(address(0), to, updatedIndex);\n if (!_checkContractOnERC721Received(address(0), to, updatedIndex++, _data)) {\n revert TransferToNonERC721ReceiverImplementer();\n }\n } while (updatedIndex < end);\n // Reentrancy protection\n if (_currentIndex != startTokenId) revert();\n } else {\n do {\n emit Transfer(address(0), to, updatedIndex++);\n } while (updatedIndex < end);\n }\n _currentIndex = updatedIndex;\n }\n _afterTokenTransfers(address(0), to, startTokenId, quantity);\n }\n\n /**\n * @dev Mints `quantity` tokens and transfers them to `to`.\n *\n * Requirements:\n *\n * - `to` cannot be the zero address.\n * - `quantity` must be greater than 0.\n *\n * Emits a {Transfer} event.\n */\n function _mint(address to, uint256 quantity) internal {\n uint256 startTokenId = _currentIndex;\n if (to == address(0)) revert MintToZeroAddress();\n if (quantity == 0) revert MintZeroQuantity();\n\n _beforeTokenTransfers(address(0), to, startTokenId, quantity);\n\n // Overflows are incredibly unrealistic.\n // balance or numberMinted overflow if current value of either + quantity > 1.8e19 (2**64) - 1\n // updatedIndex overflows if _currentIndex + quantity > 1.2e77 (2**256) - 1\n unchecked {\n _addressData[to].balance += uint64(quantity);\n _addressData[to].numberMinted += uint64(quantity);\n\n _ownerships[startTokenId].addr = to;\n _ownerships[startTokenId].startTimestamp = uint64(block.timestamp);\n\n uint256 updatedIndex = startTokenId;\n uint256 end = updatedIndex + quantity;\n\n do {\n emit Transfer(address(0), to, updatedIndex++);\n } while (updatedIndex < end);\n\n _currentIndex = updatedIndex;\n }\n _afterTokenTransfers(address(0), to, startTokenId, quantity);\n }\n\n /**\n * @dev Transfers `tokenId` from `from` to `to`.\n *\n * Requirements:\n *\n * - `to` cannot be the zero address.\n * - `tokenId` token must be owned by `from`.\n *\n * Emits a {Transfer} event.\n */\n function _transfer(\n address from,\n address to,\n uint256 tokenId\n ) private {\n TokenOwnership memory prevOwnership = _ownershipOf(tokenId);\n\n if (prevOwnership.addr != from) revert TransferFromIncorrectOwner();\n\n bool isApprovedOrOwner = (_msgSender() == from ||\n isApprovedForAll(from, _msgSender()) ||\n getApproved(tokenId) == _msgSender());\n\n if (!isApprovedOrOwner) revert TransferCallerNotOwnerNorApproved();\n if (to == address(0)) revert TransferToZeroAddress();\n\n _beforeTokenTransfers(from, to, tokenId, 1);\n\n // Clear approvals from the previous owner\n _approve(address(0), tokenId, from);\n\n // Underflow of the sender's balance is impossible because we check for\n // ownership above and the recipient's balance can't realistically overflow.\n // Counter overflow is incredibly unrealistic as tokenId would have to be 2**256.\n unchecked {\n _addressData[from].balance -= 1;\n _addressData[to].balance += 1;\n\n TokenOwnership storage currSlot = _ownerships[tokenId];\n currSlot.addr = to;\n currSlot.startTimestamp = uint64(block.timestamp);\n\n // If the ownership slot of tokenId+1 is not explicitly set, that means the transfer initiator owns it.\n // Set the slot of tokenId+1 explicitly in storage to maintain correctness for ownerOf(tokenId+1) calls.\n uint256 nextTokenId = tokenId + 1;\n TokenOwnership storage nextSlot = _ownerships[nextTokenId];\n if (nextSlot.addr == address(0)) {\n // This will suffice for checking _exists(nextTokenId),\n // as a burned slot cannot contain the zero address.\n if (nextTokenId != _currentIndex) {\n nextSlot.addr = from;\n nextSlot.startTimestamp = prevOwnership.startTimestamp;\n }\n }\n }\n\n emit Transfer(from, to, tokenId);\n _afterTokenTransfers(from, to, tokenId, 1);\n }\n\n /**\n * @dev Equivalent to `_burn(tokenId, false)`.\n */\n function _burn(uint256 tokenId) internal virtual {\n _burn(tokenId, false);\n }\n\n /**\n * @dev Destroys `tokenId`.\n * The approval is cleared when the token is burned.\n *\n * Requirements:\n *\n * - `tokenId` must exist.\n *\n * Emits a {Transfer} event.\n */\n function _burn(uint256 tokenId, bool approvalCheck) internal virtual {\n TokenOwnership memory prevOwnership = _ownershipOf(tokenId);\n\n address from = prevOwnership.addr;\n\n if (approvalCheck) {\n bool isApprovedOrOwner = (_msgSender() == from ||\n isApprovedForAll(from, _msgSender()) ||\n getApproved(tokenId) == _msgSender());\n\n if (!isApprovedOrOwner) revert TransferCallerNotOwnerNorApproved();\n }\n\n _beforeTokenTransfers(from, address(0), tokenId, 1);\n\n // Clear approvals from the previous owner\n _approve(address(0), tokenId, from);\n\n // Underflow of the sender's balance is impossible because we check for\n // ownership above and the recipient's balance can't realistically overflow.\n // Counter overflow is incredibly unrealistic as tokenId would have to be 2**256.\n unchecked {\n AddressData storage addressData = _addressData[from];\n addressData.balance -= 1;\n addressData.numberBurned += 1;\n\n // Keep track of who burned the token, and the timestamp of burning.\n TokenOwnership storage currSlot = _ownerships[tokenId];\n currSlot.addr = from;\n currSlot.startTimestamp = uint64(block.timestamp);\n currSlot.burned = true;\n\n // If the ownership slot of tokenId+1 is not explicitly set, that means the burn initiator owns it.\n // Set the slot of tokenId+1 explicitly in storage to maintain correctness for ownerOf(tokenId+1) calls.\n uint256 nextTokenId = tokenId + 1;\n TokenOwnership storage nextSlot = _ownerships[nextTokenId];\n if (nextSlot.addr == address(0)) {\n // This will suffice for checking _exists(nextTokenId),\n // as a burned slot cannot contain the zero address.\n if (nextTokenId != _currentIndex) {\n nextSlot.addr = from;\n nextSlot.startTimestamp = prevOwnership.startTimestamp;\n }\n }\n }\n\n emit Transfer(from, address(0), tokenId);\n _afterTokenTransfers(from, address(0), tokenId, 1);\n\n // Overflow not possible, as _burnCounter cannot be exceed _currentIndex times.\n unchecked {\n _burnCounter++;\n }\n }\n\n /**\n * @dev Approve `to` to operate on `tokenId`\n *\n * Emits a {Approval} event.\n */\n function _approve(\n address to,\n uint256 tokenId,\n address owner\n ) private {\n _tokenApprovals[tokenId] = to;\n emit Approval(owner, to, tokenId);\n }\n\n /**\n * @dev Internal function to invoke {IERC721Receiver-onERC721Received} on a target contract.\n *\n * @param from address representing the previous owner of the given token ID\n * @param to target address that will receive the tokens\n * @param tokenId uint256 ID of the token to be transferred\n * @param _data bytes optional data to send along with the call\n * @return bool whether the call correctly returned the expected magic value\n */\n function _checkContractOnERC721Received(\n address from,\n address to,\n uint256 tokenId,\n bytes memory _data\n ) private returns (bool) {\n try IERC721ReceiverUpgradeable(to).onERC721Received(_msgSender(), from, tokenId, _data) returns (bytes4 retval) {\n return retval == IERC721ReceiverUpgradeable(to).onERC721Received.selector;\n } catch (bytes memory reason) {\n if (reason.length == 0) {\n revert TransferToNonERC721ReceiverImplementer();\n } else {\n assembly {\n revert(add(32, reason), mload(reason))\n }\n }\n }\n }\n\n /**\n * @dev Hook that is called before a set of serially-ordered token ids are about to be transferred. This includes minting.\n * And also called before burning one token.\n *\n * startTokenId - the first token id to be transferred\n * quantity - the amount to be transferred\n *\n * Calling conditions:\n *\n * - When `from` and `to` are both non-zero, `from`'s `tokenId` will be\n * transferred to `to`.\n * - When `from` is zero, `tokenId` will be minted for `to`.\n * - When `to` is zero, `tokenId` will be burned by `from`.\n * - `from` and `to` are never both zero.\n */\n function _beforeTokenTransfers(\n address from,\n address to,\n uint256 startTokenId,\n uint256 quantity\n ) internal virtual {}\n\n /**\n * @dev Hook that is called after a set of serially-ordered token ids have been transferred. This includes\n * minting.\n * And also called after one token has been burned.\n *\n * startTokenId - the first token id to be transferred\n * quantity - the amount to be transferred\n *\n * Calling conditions:\n *\n * - When `from` and `to` are both non-zero, `from`'s `tokenId` has been\n * transferred to `to`.\n * - When `from` is zero, `tokenId` has been minted for `to`.\n * - When `to` is zero, `tokenId` has been burned by `from`.\n * - `from` and `to` are never both zero.\n */\n function _afterTokenTransfers(\n address from,\n address to,\n uint256 startTokenId,\n uint256 quantity\n ) internal virtual {}\n\n /**\n * @dev This empty reserved space is put in place to allow future versions to add new\n * variables without shifting down storage in the inheritance chain.\n * See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps\n */\n uint256[42] private __gap;\n}\n" }, "node_modules/erc721a-upgradeable/contracts/IERC721AUpgradeable.sol": { "content": "// SPDX-License-Identifier: MIT\n// ERC721A Contracts v3.3.0\n// Creator: Chiru Labs\n\npragma solidity ^0.8.4;\n\nimport \"@openzeppelin/contracts-upgradeable/token/ERC721/IERC721Upgradeable.sol\";\nimport \"@openzeppelin/contracts-upgradeable/token/ERC721/extensions/IERC721MetadataUpgradeable.sol\";\n\n/**\n * @dev Interface of an ERC721A compliant contract.\n */\ninterface IERC721AUpgradeable is IERC721Upgradeable, IERC721MetadataUpgradeable {\n /**\n * The caller must own the token or be an approved operator.\n */\n error ApprovalCallerNotOwnerNorApproved();\n\n /**\n * The token does not exist.\n */\n error ApprovalQueryForNonexistentToken();\n\n /**\n * The caller cannot approve to their own address.\n */\n error ApproveToCaller();\n\n /**\n * The caller cannot approve to the current owner.\n */\n error ApprovalToCurrentOwner();\n\n /**\n * Cannot query the balance for the zero address.\n */\n error BalanceQueryForZeroAddress();\n\n /**\n * Cannot mint to the zero address.\n */\n error MintToZeroAddress();\n\n /**\n * The quantity of tokens minted must be more than zero.\n */\n error MintZeroQuantity();\n\n /**\n * The token does not exist.\n */\n error OwnerQueryForNonexistentToken();\n\n /**\n * The caller must own the token or be an approved operator.\n */\n error TransferCallerNotOwnerNorApproved();\n\n /**\n * The token must be owned by `from`.\n */\n error TransferFromIncorrectOwner();\n\n /**\n * Cannot safely transfer to a contract that does not implement the ERC721Receiver interface.\n */\n error TransferToNonERC721ReceiverImplementer();\n\n /**\n * Cannot transfer to the zero address.\n */\n error TransferToZeroAddress();\n\n /**\n * The token does not exist.\n */\n error URIQueryForNonexistentToken();\n\n // Compiler will pack this into a single 256bit word.\n struct TokenOwnership {\n // The address of the owner.\n address addr;\n // Keeps track of the start time of ownership with minimal overhead for tokenomics.\n uint64 startTimestamp;\n // Whether the token has been burned.\n bool burned;\n }\n\n // Compiler will pack this into a single 256bit word.\n struct AddressData {\n // Realistically, 2**64-1 is more than enough.\n uint64 balance;\n // Keeps track of mint count with minimal overhead for tokenomics.\n uint64 numberMinted;\n // Keeps track of burn count with minimal overhead for tokenomics.\n uint64 numberBurned;\n // For miscellaneous variable(s) pertaining to the address\n // (e.g. number of whitelist mint slots used).\n // If there are multiple variables, please pack them into a uint64.\n uint64 aux;\n }\n\n /**\n * @dev Returns the total amount of tokens stored by the contract.\n * \n * Burned tokens are calculated here, use `_totalMinted()` if you want to count just minted tokens.\n */\n function totalSupply() external view returns (uint256);\n}\n" } }, "settings": { "optimizer": { "enabled": true, "runs": 490 }, "evmVersion": "london", "remappings": [ ":@chainlink/contracts/src/=node_modules/@chainlink/contracts/src/", ":@ds-test/=lib/ds-test/src/", ":@openzeppelin/=node_modules/@openzeppelin/", ":@std/=lib/forge-std/src/", ":contracts/=contracts/", ":ds-test/=lib/ds-test/src/", ":erc721a-upgradeable/=node_modules/erc721a-upgradeable/", ":erc721a/=node_modules/erc721a/", ":forge-std/=lib/forge-std/src/" ], "outputSelection": { "*": { "*": [ "evm.bytecode", "evm.deployedBytecode", "devdoc", "userdoc", "metadata", "abi" ] } } } }